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.r078-tall-171620515500356.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 greatspnxred
Input is CloudDeployment-PT-4a, examination is ReachabilityDeadlock
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r078-tall-171620515500356
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 644K
-rw-r--r-- 1 mcc users 8.5K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 98K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.7K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 54K 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 3.5K Apr 22 14:33 LTLCardinality.txt
-rw-r--r-- 1 mcc users 23K Apr 22 14:33 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Apr 22 14:33 LTLFireability.txt
-rw-r--r-- 1 mcc users 15K Apr 22 14:33 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K Apr 11 16:03 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 155K Apr 11 16:03 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.7K Apr 11 15:57 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 53K Apr 11 15:57 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Apr 22 14:33 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Apr 22 14:33 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 156K 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 1716273106227

Invoking MCC driver with
BK_TOOL=greatspnxred
BK_EXAMINATION=ReachabilityDeadlock
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=CloudDeployment-PT-4a
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2024-05-21 06:31:47] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityDeadlock, -timeout, 180, -rebuildPNML]
[2024-05-21 06:31:47] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-21 06:31:47] [INFO ] Load time of PNML (sax parser for PT used): 93 ms
[2024-05-21 06:31:47] [INFO ] Transformed 141 places.
[2024-05-21 06:31:47] [INFO ] Transformed 475 transitions.
[2024-05-21 06:31:47] [INFO ] Found NUPN structural information;
[2024-05-21 06:31:47] [INFO ] Parsed PT model containing 141 places and 475 transitions and 2657 arcs in 197 ms.
Parsed 1 properties from file /home/mcc/execution/ReachabilityDeadlock.xml in 3 ms.
Working with output stream class java.io.PrintStream
Ensure Unique test removed 52 transitions
Reduce redundant transitions removed 52 transitions.
Built sparse matrix representations for Structural reductions in 4 ms.20502KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 141/141 places, 423/423 transitions.
Graph (trivial) has 161 edges and 141 vertex of which 40 / 141 are part of one of the 12 SCC in 2 ms
Free SCC test removed 28 places
Ensure Unique test removed 72 transitions
Reduce isomorphic transitions removed 72 transitions.
Computed a total of 77 stabilizing places and 233 stable transitions
Graph (complete) has 1107 edges and 113 vertex of which 104 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.6 ms
Discarding 9 places :
Also discarding 0 output transitions
Computed a total of 68 stabilizing places and 232 stable transitions
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 8 place count 98 transition count 321
Iterating global reduction 0 with 6 rules applied. Total rules applied 14 place count 98 transition count 321
Computed a total of 62 stabilizing places and 210 stable transitions
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 15 place count 97 transition count 320
Iterating global reduction 0 with 1 rules applied. Total rules applied 16 place count 97 transition count 320
Computed a total of 61 stabilizing places and 209 stable transitions
Performed 12 Post agglomeration using F-continuation condition.Transition count delta: -28
Deduced a syphon composed of 12 places in 1 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 0 with 24 rules applied. Total rules applied 40 place count 85 transition count 348
Computed a total of 49 stabilizing places and 237 stable transitions
Computed a total of 49 stabilizing places and 237 stable transitions
Drop transitions (Redundant composition of simpler transitions.) removed 90 transitions
Redundant transition composition rules discarded 90 transitions
Iterating global reduction 0 with 90 rules applied. Total rules applied 130 place count 85 transition count 258
Computed a total of 49 stabilizing places and 185 stable transitions
Computed a total of 49 stabilizing places and 185 stable transitions
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 131 place count 84 transition count 257
Computed a total of 48 stabilizing places and 185 stable transitions
Computed a total of 48 stabilizing places and 185 stable transitions
Applied a total of 131 rules in 132 ms. Remains 84 /141 variables (removed 57) and now considering 257/423 (removed 166) transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 150 ms. Remains : 84/141 places, 257/423 transitions.
Random walk for 1250000 steps, including 29992 resets, run took 1811 ms (no deadlock found). (steps per millisecond=690 )
Random directed walk for 1250000 steps, including 11012 resets, run took 1498 ms (no deadlock found). (steps per millisecond=834 )
[2024-05-21 06:31:51] [INFO ] Flow matrix only has 114 transitions (discarded 143 similar events)
// Phase 1: matrix 114 rows 84 cols
[2024-05-21 06:31:51] [INFO ] Computed 15 invariants in 8 ms
[2024-05-21 06:31:51] [INFO ] [Real]Absence check using 0 positive and 15 generalized place invariants in 4 ms returned sat
[2024-05-21 06:31:51] [INFO ] [Real]Absence check using state equation in 40 ms returned sat
[2024-05-21 06:31:51] [INFO ] Solution in real domain found non-integer solution.
[2024-05-21 06:31:51] [INFO ] [Nat]Absence check using 0 positive and 15 generalized place invariants in 3 ms returned sat
[2024-05-21 06:31:51] [INFO ] [Nat]Absence check using state equation in 39 ms returned sat
[2024-05-21 06:31:51] [INFO ] State equation strengthened by 5 read => feed constraints.
[2024-05-21 06:31:51] [INFO ] [Nat]Added 5 Read/Feed constraints in 5 ms returned sat
[2024-05-21 06:31:51] [INFO ] Computed and/alt/rep : 90/191/90 causal constraints (skipped 6 transitions) in 18 ms.
[2024-05-21 06:31:51] [INFO ] Added : 58 causal constraints over 13 iterations in 169 ms. Result :sat
Parikh directed walk for 6200 steps, including 144 resets, run took 18 ms. (steps per millisecond=344 )
Random directed walk for 500001 steps, including 4408 resets, run took 603 ms (no deadlock found). (steps per millisecond=829 )
Random walk for 500000 steps, including 11978 resets, run took 655 ms (no deadlock found). (steps per millisecond=763 )
Random directed walk for 500000 steps, including 4413 resets, run took 600 ms (no deadlock found). (steps per millisecond=833 )
Random walk for 500000 steps, including 12041 resets, run took 650 ms (no deadlock found). (steps per millisecond=769 )
Starting structural reductions in DEADLOCK mode, iteration 0 : 84/84 places, 257/257 transitions.
Computed a total of 48 stabilizing places and 185 stable transitions
Computed a total of 48 stabilizing places and 185 stable transitions
Computed a total of 48 stabilizing places and 185 stable transitions
Applied a total of 0 rules in 20 ms. Remains 84 /84 variables (removed 0) and now considering 257/257 (removed 0) transitions.
[2024-05-21 06:31:54] [INFO ] Flow matrix only has 114 transitions (discarded 143 similar events)
[2024-05-21 06:31:54] [INFO ] Invariant cache hit.
[2024-05-21 06:31:54] [INFO ] Implicit Places using invariants in 69 ms returned []
[2024-05-21 06:31:54] [INFO ] Flow matrix only has 114 transitions (discarded 143 similar events)
[2024-05-21 06:31:54] [INFO ] Invariant cache hit.
[2024-05-21 06:31:54] [INFO ] State equation strengthened by 5 read => feed constraints.
[2024-05-21 06:31:54] [INFO ] Implicit Places using invariants and state equation in 123 ms returned []
Implicit Place search using SMT with State Equation took 194 ms to find 0 implicit places.
[2024-05-21 06:31:54] [INFO ] Redundant transitions in 180 ms returned []
Running 236 sub problems to find dead transitions.
[2024-05-21 06:31:54] [INFO ] Flow matrix only has 114 transitions (discarded 143 similar events)
[2024-05-21 06:31:54] [INFO ] Invariant cache hit.
[2024-05-21 06:31:54] [INFO ] State equation strengthened by 5 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/80 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 236 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/80 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 236 unsolved
At refinement iteration 2 (OVERLAPS) 4/84 variables, 4/15 constraints. Problems are: Problem set: 0 solved, 236 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/84 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 236 unsolved
At refinement iteration 4 (OVERLAPS) 113/197 variables, 84/99 constraints. Problems are: Problem set: 0 solved, 236 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/197 variables, 5/104 constraints. Problems are: Problem set: 0 solved, 236 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/197 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 236 unsolved
At refinement iteration 7 (OVERLAPS) 0/197 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 236 unsolved
No progress, stopping.
After SMT solving in domain Real declared 197/198 variables, and 104 constraints, problems are : Problem set: 0 solved, 236 unsolved in 4790 ms.
Refiners :[Generalized P Invariants (flows): 15/15 constraints, State Equation: 84/84 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 236/236 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 236 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/80 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 236 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/80 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 236 unsolved
At refinement iteration 2 (OVERLAPS) 4/84 variables, 4/15 constraints. Problems are: Problem set: 0 solved, 236 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/84 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 236 unsolved
At refinement iteration 4 (OVERLAPS) 113/197 variables, 84/99 constraints. Problems are: Problem set: 0 solved, 236 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/197 variables, 5/104 constraints. Problems are: Problem set: 0 solved, 236 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/197 variables, 236/340 constraints. Problems are: Problem set: 0 solved, 236 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/197 variables, 0/340 constraints. Problems are: Problem set: 0 solved, 236 unsolved
At refinement iteration 8 (OVERLAPS) 0/197 variables, 0/340 constraints. Problems are: Problem set: 0 solved, 236 unsolved
No progress, stopping.
After SMT solving in domain Int declared 197/198 variables, and 340 constraints, problems are : Problem set: 0 solved, 236 unsolved in 6634 ms.
Refiners :[Generalized P Invariants (flows): 15/15 constraints, State Equation: 84/84 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 236/236 constraints, Known Traps: 0/0 constraints]
After SMT, in 11600ms problems are : Problem set: 0 solved, 236 unsolved
Search for dead transitions found 0 dead transitions in 11613ms
Finished structural reductions in DEADLOCK mode , in 1 iterations and 12027 ms. Remains : 84/84 places, 257/257 transitions.
Finished random walk after 789308 steps, including 18984 resets, run found a deadlock after 1037 ms. (steps per millisecond=761 )
FORMULA ReachabilityDeadlock TRUE TECHNIQUES TOPOLOGICAL STRUCTURAL_REDUCTION RANDOM_WALK
Total runtime 19902 ms.
ITS solved all properties within timeout

BK_STOP 1716273127311

--------------------
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:
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
+ 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

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-4a"
export BK_EXAMINATION="ReachabilityDeadlock"
export BK_TOOL="greatspnxred"
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 greatspnxred"
echo " Input is CloudDeployment-PT-4a, 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 r078-tall-171620515500356"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CloudDeployment-PT-4a.tgz
mv CloudDeployment-PT-4a 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 ;