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-167814407800276.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-7a, examination is ReachabilityDeadlock
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r087-smll-167814407800276
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 784K
-rw-r--r-- 1 mcc users 6.4K Feb 25 15:43 CTLCardinality.txt
-rw-r--r-- 1 mcc users 61K Feb 25 15:43 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.4K Feb 25 15:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 64K Feb 25 15:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.4K Feb 25 15:45 LTLCardinality.txt
-rw-r--r-- 1 mcc users 21K Feb 25 15:45 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Feb 25 15:45 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Feb 25 15:45 LTLFireability.xml
-rw-r--r-- 1 mcc users 7.2K Feb 25 16:21 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 67K Feb 25 16:21 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.0K Feb 25 16:08 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 56K Feb 25 16:08 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 420K 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 1678233203446

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-7a
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-07 23:53:26] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityDeadlock, -timeout, 180, -rebuildPNML]
[2023-03-07 23:53:26] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-07 23:53:27] [INFO ] Load time of PNML (sax parser for PT used): 287 ms
[2023-03-07 23:53:27] [INFO ] Transformed 264 places.
[2023-03-07 23:53:27] [INFO ] Transformed 1174 transitions.
[2023-03-07 23:53:27] [INFO ] Found NUPN structural information;
[2023-03-07 23:53:27] [INFO ] Parsed PT model containing 264 places and 1174 transitions and 7331 arcs in 462 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 154 transitions
Reduce redundant transitions removed 154 transitions.
Built sparse matrix representations for Structural reductions in 11 ms.28833KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 264/264 places, 1020/1020 transitions.
Graph (trivial) has 281 edges and 264 vertex of which 70 / 264 are part of one of the 21 SCC in 8 ms
Free SCC test removed 49 places
Ensure Unique test removed 147 transitions
Reduce isomorphic transitions removed 147 transitions.
Computed a total of 152 stabilizing places and 635 stable transitions
Graph (complete) has 2709 edges and 215 vertex of which 200 are kept as prefixes of interest. Removing 15 places using SCC suffix rule.26 ms
Discarding 15 places :
Also discarding 0 output transitions
Computed a total of 137 stabilizing places and 634 stable transitions
Discarding 12 places :
Symmetric choice reduction at 0 with 12 rule applications. Total rules 14 place count 188 transition count 798
Iterating global reduction 0 with 12 rules applied. Total rules applied 26 place count 188 transition count 798
Computed a total of 125 stabilizing places and 573 stable transitions
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 30 place count 184 transition count 794
Iterating global reduction 0 with 4 rules applied. Total rules applied 34 place count 184 transition count 794
Computed a total of 121 stabilizing places and 569 stable transitions
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 37 place count 181 transition count 791
Iterating global reduction 0 with 3 rules applied. Total rules applied 40 place count 181 transition count 791
Computed a total of 118 stabilizing places and 566 stable transitions
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 42 place count 179 transition count 789
Iterating global reduction 0 with 2 rules applied. Total rules applied 44 place count 179 transition count 789
Computed a total of 116 stabilizing places and 564 stable transitions
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 45 place count 178 transition count 788
Iterating global reduction 0 with 1 rules applied. Total rules applied 46 place count 178 transition count 788
Computed a total of 115 stabilizing places and 563 stable transitions
Performed 21 Post agglomeration using F-continuation condition.Transition count delta: -91
Deduced a syphon composed of 21 places in 2 ms
Reduce places removed 21 places and 0 transitions.
Iterating global reduction 0 with 42 rules applied. Total rules applied 88 place count 157 transition count 879
Computed a total of 94 stabilizing places and 654 stable transitions
Computed a total of 94 stabilizing places and 654 stable transitions
Drop transitions removed 231 transitions
Redundant transition composition rules discarded 231 transitions
Iterating global reduction 0 with 231 rules applied. Total rules applied 319 place count 157 transition count 648
Computed a total of 94 stabilizing places and 521 stable transitions
Computed a total of 94 stabilizing places and 521 stable transitions
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 320 place count 156 transition count 647
Computed a total of 93 stabilizing places and 521 stable transitions
Computed a total of 93 stabilizing places and 521 stable transitions
Applied a total of 320 rules in 634 ms. Remains 156 /264 variables (removed 108) and now considering 647/1020 (removed 373) transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 635 ms. Remains : 156/264 places, 647/1020 transitions.
Random walk for 1250000 steps, including 17947 resets, run took 4363 ms (no deadlock found). (steps per millisecond=286 )
Random directed walk for 1250000 steps, including 4023 resets, run took 4401 ms (no deadlock found). (steps per millisecond=284 )
[2023-03-07 23:53:36] [INFO ] Flow matrix only has 249 transitions (discarded 398 similar events)
// Phase 1: matrix 249 rows 156 cols
[2023-03-07 23:53:36] [INFO ] Computed 27 place invariants in 14 ms
[2023-03-07 23:53:37] [INFO ] [Real]Absence check using 0 positive and 27 generalized place invariants in 20 ms returned sat
[2023-03-07 23:53:37] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-07 23:53:37] [INFO ] [Real]Absence check using state equation in 137 ms returned sat
[2023-03-07 23:53:37] [INFO ] Solution in real domain found non-integer solution.
[2023-03-07 23:53:37] [INFO ] [Nat]Absence check using 0 positive and 27 generalized place invariants in 11 ms returned sat
[2023-03-07 23:53:37] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-07 23:53:37] [INFO ] [Nat]Absence check using state equation in 141 ms returned sat
[2023-03-07 23:53:37] [INFO ] State equation strengthened by 8 read => feed constraints.
[2023-03-07 23:53:37] [INFO ] [Nat]Added 8 Read/Feed constraints in 31 ms returned sat
[2023-03-07 23:53:37] [INFO ] Computed and/alt/rep : 181/340/181 causal constraints (skipped 17 transitions) in 51 ms.
[2023-03-07 23:53:38] [INFO ] Added : 84 causal constraints over 19 iterations in 625 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 11 ms.
Parikh directed walk for 8900 steps, including 141 resets, run took 62 ms. (steps per millisecond=143 )
Random directed walk for 500000 steps, including 1612 resets, run took 1852 ms (no deadlock found). (steps per millisecond=269 )
Random walk for 500000 steps, including 7161 resets, run took 1409 ms (no deadlock found). (steps per millisecond=354 )
Random directed walk for 500004 steps, including 1607 resets, run took 1624 ms (no deadlock found). (steps per millisecond=307 )
Random walk for 500000 steps, including 7159 resets, run took 1378 ms (no deadlock found). (steps per millisecond=362 )
Starting structural reductions in DEADLOCK mode, iteration 0 : 156/156 places, 647/647 transitions.
Computed a total of 93 stabilizing places and 521 stable transitions
Computed a total of 93 stabilizing places and 521 stable transitions
Computed a total of 93 stabilizing places and 521 stable transitions
Applied a total of 0 rules in 32 ms. Remains 156 /156 variables (removed 0) and now considering 647/647 (removed 0) transitions.
[2023-03-07 23:53:44] [INFO ] Flow matrix only has 249 transitions (discarded 398 similar events)
[2023-03-07 23:53:44] [INFO ] Invariant cache hit.
[2023-03-07 23:53:44] [INFO ] Implicit Places using invariants in 181 ms returned []
[2023-03-07 23:53:44] [INFO ] Flow matrix only has 249 transitions (discarded 398 similar events)
[2023-03-07 23:53:44] [INFO ] Invariant cache hit.
[2023-03-07 23:53:45] [INFO ] State equation strengthened by 8 read => feed constraints.
[2023-03-07 23:53:45] [INFO ] Implicit Places using invariants and state equation in 465 ms returned []
Implicit Place search using SMT with State Equation took 653 ms to find 0 implicit places.
[2023-03-07 23:53:46] [INFO ] Redundant transitions in 809 ms returned []
[2023-03-07 23:53:46] [INFO ] Flow matrix only has 249 transitions (discarded 398 similar events)
[2023-03-07 23:53:46] [INFO ] Invariant cache hit.
[2023-03-07 23:53:46] [INFO ] Dead Transitions using invariants and state equation in 421 ms found 0 transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 1940 ms. Remains : 156/156 places, 647/647 transitions.
Random walk for 1250000 steps, including 17919 resets, run took 3512 ms (no deadlock found). (steps per millisecond=355 )
Random directed walk for 1250016 steps, including 3998 resets, run took 4466 ms (no deadlock found). (steps per millisecond=279 )
[2023-03-07 23:53:54] [INFO ] Flow matrix only has 249 transitions (discarded 398 similar events)
[2023-03-07 23:53:54] [INFO ] Invariant cache hit.
[2023-03-07 23:53:54] [INFO ] [Real]Absence check using 0 positive and 27 generalized place invariants in 17 ms returned sat
[2023-03-07 23:53:54] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-07 23:53:54] [INFO ] [Real]Absence check using state equation in 126 ms returned sat
[2023-03-07 23:53:54] [INFO ] Solution in real domain found non-integer solution.
[2023-03-07 23:53:54] [INFO ] [Nat]Absence check using 0 positive and 27 generalized place invariants in 17 ms returned sat
[2023-03-07 23:53:54] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-07 23:53:55] [INFO ] [Nat]Absence check using state equation in 145 ms returned sat
[2023-03-07 23:53:55] [INFO ] State equation strengthened by 8 read => feed constraints.
[2023-03-07 23:53:55] [INFO ] [Nat]Added 8 Read/Feed constraints in 18 ms returned sat
[2023-03-07 23:53:55] [INFO ] Computed and/alt/rep : 181/340/181 causal constraints (skipped 17 transitions) in 47 ms.
[2023-03-07 23:53:55] [INFO ] Added : 109 causal constraints over 22 iterations in 808 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 7 ms.
Parikh directed walk for 10000 steps, including 135 resets, run took 64 ms. (steps per millisecond=156 )
Random directed walk for 500008 steps, including 1600 resets, run took 1946 ms (no deadlock found). (steps per millisecond=256 )
Random walk for 500000 steps, including 7121 resets, run took 1365 ms (no deadlock found). (steps per millisecond=366 )
Random directed walk for 500001 steps, including 1595 resets, run took 1608 ms (no deadlock found). (steps per millisecond=310 )
Random walk for 500000 steps, including 7155 resets, run took 1369 ms (no deadlock found). (steps per millisecond=365 )
[2023-03-07 23:54:02] [INFO ] Flatten gal took : 277 ms
[2023-03-07 23:54:02] [INFO ] Export to MCC of 1 properties in file /home/mcc/execution/ReachabilityDeadlock.sr.xml took 2 ms.
[2023-03-07 23:54:02] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 264 places, 1020 transitions and 6771 arcs took 16 ms.
Total runtime 36362 ms.
There are residual formulas that ITS could not solve within timeout
FORMULA ReachabilityDeadlock TRUE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING USE_NUPN

BK_STOP 1678233296055

--------------------
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 264 places, 1020 transitions and 6771 arcs
pnml2lts-sym: Petri net CloudDeployment_PT_7a analyzed
pnml2lts-sym: There are no safe places
pnml2lts-sym: Loading Petri net took 0.030 real 0.020 user 0.010 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: 1020->795 groups
pnml2lts-sym: Regrouping took 0.990 real 1.000 user 0.000 sys
pnml2lts-sym: state vector length is 264; there are 795 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: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: deadlock found
pnml2lts-sym: deadlock detection took 50.350 real 199.850 user 1.200 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-7a"
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-7a, 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-167814407800276"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CloudDeployment-PT-7a.tgz
mv CloudDeployment-PT-7a 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 ;