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.r087-smll-167814407800266.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)
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=====================================================================
Generated by BenchKit 2-5348
Executing tool ltsminxred
Input is CloudDeployment-PT-6a, examination is ReachabilityDeadlock
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r087-smll-167814407800266
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 788K
-rw-r--r-- 1 mcc users 6.8K Feb 25 15:25 CTLCardinality.txt
-rw-r--r-- 1 mcc users 72K Feb 25 15:25 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.8K Feb 25 15:03 CTLFireability.txt
-rw-r--r-- 1 mcc users 53K Feb 25 15:03 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.7K Feb 25 15:45 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Feb 25 15:45 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Feb 25 15:45 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Feb 25 15:45 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K Feb 25 15:41 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 158K Feb 25 15:41 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.6K Feb 25 15:34 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 53K Feb 25 15:34 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Feb 25 15:45 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Feb 25 15:45 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 317K 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 1678231696831

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=CloudDeployment-PT-6a
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-07 23:28:20] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityDeadlock, -timeout, 180, -rebuildPNML]
[2023-03-07 23:28:20] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-07 23:28:20] [INFO ] Load time of PNML (sax parser for PT used): 244 ms
[2023-03-07 23:28:20] [INFO ] Transformed 221 places.
[2023-03-07 23:28:20] [INFO ] Transformed 908 transitions.
[2023-03-07 23:28:20] [INFO ] Found NUPN structural information;
[2023-03-07 23:28:20] [INFO ] Parsed PT model containing 221 places and 908 transitions and 5517 arcs in 454 ms.
Parsed 1 properties from file /home/mcc/execution/ReachabilityDeadlock.xml in 5 ms.
Working with output stream class java.io.PrintStream
Ensure Unique test removed 114 transitions
Reduce redundant transitions removed 114 transitions.
Built sparse matrix representations for Structural reductions in 9 ms.20511KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 221/221 places, 794/794 transitions.
Graph (trivial) has 241 edges and 221 vertex of which 60 / 221 are part of one of the 18 SCC in 7 ms
Free SCC test removed 42 places
Ensure Unique test removed 120 transitions
Reduce isomorphic transitions removed 120 transitions.
Computed a total of 125 stabilizing places and 479 stable transitions
Graph (complete) has 2101 edges and 179 vertex of which 166 are kept as prefixes of interest. Removing 13 places using SCC suffix rule.21 ms
Discarding 13 places :
Also discarding 0 output transitions
Computed a total of 112 stabilizing places and 478 stable transitions
Discarding 10 places :
Symmetric choice reduction at 0 with 10 rule applications. Total rules 12 place count 156 transition count 616
Iterating global reduction 0 with 10 rules applied. Total rules applied 22 place count 156 transition count 616
Computed a total of 102 stabilizing places and 432 stable transitions
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 25 place count 153 transition count 613
Iterating global reduction 0 with 3 rules applied. Total rules applied 28 place count 153 transition count 613
Computed a total of 99 stabilizing places and 429 stable transitions
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 30 place count 151 transition count 611
Iterating global reduction 0 with 2 rules applied. Total rules applied 32 place count 151 transition count 611
Computed a total of 97 stabilizing places and 427 stable transitions
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 33 place count 150 transition count 610
Iterating global reduction 0 with 1 rules applied. Total rules applied 34 place count 150 transition count 610
Computed a total of 96 stabilizing places and 426 stable transitions
Performed 18 Post agglomeration using F-continuation condition.Transition count delta: -66
Deduced a syphon composed of 18 places in 1 ms
Reduce places removed 18 places and 0 transitions.
Iterating global reduction 0 with 36 rules applied. Total rules applied 70 place count 132 transition count 676
Computed a total of 78 stabilizing places and 492 stable transitions
Computed a total of 78 stabilizing places and 492 stable transitions
Drop transitions removed 177 transitions
Redundant transition composition rules discarded 177 transitions
Iterating global reduction 0 with 177 rules applied. Total rules applied 247 place count 132 transition count 499
Computed a total of 78 stabilizing places and 390 stable transitions
Computed a total of 78 stabilizing places and 390 stable transitions
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 248 place count 131 transition count 498
Computed a total of 77 stabilizing places and 390 stable transitions
Computed a total of 77 stabilizing places and 390 stable transitions
Applied a total of 248 rules in 415 ms. Remains 131 /221 variables (removed 90) and now considering 498/794 (removed 296) transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 416 ms. Remains : 131/221 places, 498/794 transitions.
Random walk for 1250000 steps, including 20648 resets, run took 3296 ms (no deadlock found). (steps per millisecond=379 )
Random directed walk for 1250002 steps, including 5369 resets, run took 3128 ms (no deadlock found). (steps per millisecond=399 )
[2023-03-07 23:28:27] [INFO ] Flow matrix only has 199 transitions (discarded 299 similar events)
// Phase 1: matrix 199 rows 131 cols
[2023-03-07 23:28:27] [INFO ] Computed 23 place invariants in 15 ms
[2023-03-07 23:28:28] [INFO ] [Real]Absence check using 0 positive and 23 generalized place invariants in 46 ms returned sat
[2023-03-07 23:28:28] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-07 23:28:28] [INFO ] [Real]Absence check using state equation in 170 ms returned sat
[2023-03-07 23:28:28] [INFO ] Solution in real domain found non-integer solution.
[2023-03-07 23:28:28] [INFO ] [Nat]Absence check using 0 positive and 23 generalized place invariants in 17 ms returned sat
[2023-03-07 23:28:28] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-07 23:28:28] [INFO ] [Nat]Absence check using state equation in 149 ms returned sat
[2023-03-07 23:28:28] [INFO ] State equation strengthened by 7 read => feed constraints.
[2023-03-07 23:28:28] [INFO ] [Nat]Added 7 Read/Feed constraints in 17 ms returned sat
[2023-03-07 23:28:28] [INFO ] Computed and/alt/rep : 146/270/146 causal constraints (skipped 15 transitions) in 49 ms.
[2023-03-07 23:28:29] [INFO ] Added : 96 causal constraints over 20 iterations in 648 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 8 ms.
Parikh directed walk for 9300 steps, including 128 resets, run took 40 ms. (steps per millisecond=232 )
Random directed walk for 500000 steps, including 2158 resets, run took 1473 ms (no deadlock found). (steps per millisecond=339 )
Random walk for 500000 steps, including 8254 resets, run took 1165 ms (no deadlock found). (steps per millisecond=429 )
Random directed walk for 500006 steps, including 2146 resets, run took 1309 ms (no deadlock found). (steps per millisecond=381 )
Random walk for 500000 steps, including 8297 resets, run took 1164 ms (no deadlock found). (steps per millisecond=429 )
Starting structural reductions in DEADLOCK mode, iteration 0 : 131/131 places, 498/498 transitions.
Computed a total of 77 stabilizing places and 390 stable transitions
Computed a total of 77 stabilizing places and 390 stable transitions
Computed a total of 77 stabilizing places and 390 stable transitions
Applied a total of 0 rules in 30 ms. Remains 131 /131 variables (removed 0) and now considering 498/498 (removed 0) transitions.
[2023-03-07 23:28:34] [INFO ] Flow matrix only has 199 transitions (discarded 299 similar events)
[2023-03-07 23:28:34] [INFO ] Invariant cache hit.
[2023-03-07 23:28:34] [INFO ] Implicit Places using invariants in 159 ms returned []
[2023-03-07 23:28:34] [INFO ] Flow matrix only has 199 transitions (discarded 299 similar events)
[2023-03-07 23:28:34] [INFO ] Invariant cache hit.
[2023-03-07 23:28:35] [INFO ] State equation strengthened by 7 read => feed constraints.
[2023-03-07 23:28:35] [INFO ] Implicit Places using invariants and state equation in 278 ms returned []
Implicit Place search using SMT with State Equation took 441 ms to find 0 implicit places.
[2023-03-07 23:28:35] [INFO ] Redundant transitions in 585 ms returned []
[2023-03-07 23:28:35] [INFO ] Flow matrix only has 199 transitions (discarded 299 similar events)
[2023-03-07 23:28:35] [INFO ] Invariant cache hit.
[2023-03-07 23:28:36] [INFO ] Dead Transitions using invariants and state equation in 319 ms found 0 transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 1400 ms. Remains : 131/131 places, 498/498 transitions.
Random walk for 1250000 steps, including 20689 resets, run took 3086 ms (no deadlock found). (steps per millisecond=405 )
Random directed walk for 1250002 steps, including 5391 resets, run took 3159 ms (no deadlock found). (steps per millisecond=395 )
[2023-03-07 23:28:42] [INFO ] Flow matrix only has 199 transitions (discarded 299 similar events)
[2023-03-07 23:28:42] [INFO ] Invariant cache hit.
[2023-03-07 23:28:42] [INFO ] [Real]Absence check using 0 positive and 23 generalized place invariants in 8 ms returned sat
[2023-03-07 23:28:42] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-07 23:28:42] [INFO ] [Real]Absence check using state equation in 59 ms returned sat
[2023-03-07 23:28:42] [INFO ] Solution in real domain found non-integer solution.
[2023-03-07 23:28:42] [INFO ] [Nat]Absence check using 0 positive and 23 generalized place invariants in 9 ms returned sat
[2023-03-07 23:28:42] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-07 23:28:42] [INFO ] [Nat]Absence check using state equation in 72 ms returned sat
[2023-03-07 23:28:42] [INFO ] State equation strengthened by 7 read => feed constraints.
[2023-03-07 23:28:42] [INFO ] [Nat]Added 7 Read/Feed constraints in 9 ms returned sat
[2023-03-07 23:28:42] [INFO ] Computed and/alt/rep : 146/270/146 causal constraints (skipped 15 transitions) in 22 ms.
[2023-03-07 23:28:43] [INFO ] Added : 68 causal constraints over 14 iterations in 342 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 6 ms.
Parikh directed walk for 7900 steps, including 125 resets, run took 47 ms. (steps per millisecond=168 )
Random directed walk for 500000 steps, including 2155 resets, run took 1496 ms (no deadlock found). (steps per millisecond=334 )
Random walk for 500000 steps, including 8301 resets, run took 1274 ms (no deadlock found). (steps per millisecond=392 )
Random directed walk for 500004 steps, including 2168 resets, run took 1446 ms (no deadlock found). (steps per millisecond=345 )
Random walk for 500000 steps, including 8285 resets, run took 1163 ms (no deadlock found). (steps per millisecond=429 )
[2023-03-07 23:28:48] [INFO ] Flatten gal took : 188 ms
[2023-03-07 23:28:48] [INFO ] Export to MCC of 1 properties in file /home/mcc/execution/ReachabilityDeadlock.sr.xml took 2 ms.
[2023-03-07 23:28:48] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 221 places, 794 transitions and 5109 arcs took 17 ms.
Total runtime 28623 ms.
There are residual formulas that ITS could not solve within timeout
FORMULA ReachabilityDeadlock TRUE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING USE_NUPN

BK_STOP 1678231754201

--------------------
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 221 places, 794 transitions and 5109 arcs
pnml2lts-sym: Petri net CloudDeployment_PT_6a analyzed
pnml2lts-sym: There are no safe places
pnml2lts-sym: Loading Petri net took 0.020 real 0.020 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: 794->610 groups
pnml2lts-sym: Regrouping took 0.530 real 0.530 user 0.000 sys
pnml2lts-sym: state vector length is 221; there are 610 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: deadlock found
pnml2lts-sym: deadlock detection took 12.100 real 48.350 user 0.000 sys
pnml2lts-sym: exiting now
pnml2lts-sym: max token count: 1

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-6a"
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 CloudDeployment-PT-6a, 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 r087-smll-167814407800266"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CloudDeployment-PT-6a.tgz
mv CloudDeployment-PT-6a 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 ;