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.r512-smll-171654407200253.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 Peterson-PT-2, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r512-smll-171654407200253
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1016K
-rw-r--r-- 1 mcc users 19K Apr 12 02:48 CTLCardinality.txt
-rw-r--r-- 1 mcc users 116K Apr 12 02:48 CTLCardinality.xml
-rw-r--r-- 1 mcc users 13K Apr 12 02:41 CTLFireability.txt
-rw-r--r-- 1 mcc users 73K Apr 12 02:41 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:43 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 7.2K Apr 23 07:42 LTLCardinality.txt
-rw-r--r-- 1 mcc users 33K Apr 23 07:42 LTLCardinality.xml
-rw-r--r-- 1 mcc users 5.9K Apr 23 07:42 LTLFireability.txt
-rw-r--r-- 1 mcc users 28K Apr 23 07:42 LTLFireability.xml
-rw-r--r-- 1 mcc users 42K Apr 12 02:54 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 262K Apr 12 02:54 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 42K Apr 12 02:52 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 224K Apr 12 02:52 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.7K Apr 23 07:42 UpperBounds.txt
-rw-r--r-- 1 mcc users 6.0K Apr 23 07:42 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 18 16:43 equiv_col
-rw-r--r-- 1 mcc users 2 May 18 16:43 instance
-rw-r--r-- 1 mcc users 6 May 18 16:43 iscolored
-rw-r--r-- 1 mcc users 100K May 18 16:43 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of positive values
NUM_VECTOR

here is the order used to build the result vector(from text file)
FORMULA_NAME Peterson-PT-2-UpperBounds-00
FORMULA_NAME Peterson-PT-2-UpperBounds-01
FORMULA_NAME Peterson-PT-2-UpperBounds-02
FORMULA_NAME Peterson-PT-2-UpperBounds-03
FORMULA_NAME Peterson-PT-2-UpperBounds-04
FORMULA_NAME Peterson-PT-2-UpperBounds-05
FORMULA_NAME Peterson-PT-2-UpperBounds-06
FORMULA_NAME Peterson-PT-2-UpperBounds-07
FORMULA_NAME Peterson-PT-2-UpperBounds-08
FORMULA_NAME Peterson-PT-2-UpperBounds-09
FORMULA_NAME Peterson-PT-2-UpperBounds-10
FORMULA_NAME Peterson-PT-2-UpperBounds-11
FORMULA_NAME Peterson-PT-2-UpperBounds-12
FORMULA_NAME Peterson-PT-2-UpperBounds-13
FORMULA_NAME Peterson-PT-2-UpperBounds-14
FORMULA_NAME Peterson-PT-2-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1717269529333

Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Peterson-PT-2
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202405141337
[2024-06-01 19:18:51] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -timeout, 360, -rebuildPNML]
[2024-06-01 19:18:51] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-06-01 19:18:51] [INFO ] Load time of PNML (sax parser for PT used): 271 ms
[2024-06-01 19:18:51] [INFO ] Transformed 102 places.
[2024-06-01 19:18:51] [INFO ] Transformed 126 transitions.
[2024-06-01 19:18:51] [INFO ] Found NUPN structural information;
[2024-06-01 19:18:51] [INFO ] Parsed PT model containing 102 places and 126 transitions and 384 arcs in 433 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 12 ms.
Reduction of identical properties reduced properties to check from 16 to 13
FORMULA Peterson-PT-2-UpperBounds-07 2 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Peterson-PT-2-UpperBounds-03 2 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Current structural bounds on expressions (Initiallly, because the net is safe) : Max Seen:[0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0] Max Struct:[18, 12, 3, 6, 1, 1, 1, 1, 1, 1, 1, 1]
FORMULA Peterson-PT-2-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[18, 12, 3, 6, 1, 1, 1, 1, 1, 1, 1]
[2024-06-01 19:18:51] [INFO ] Flow matrix only has 120 transitions (discarded 6 similar events)
// Phase 1: matrix 120 rows 102 cols
[2024-06-01 19:18:51] [INFO ] Computed 11 invariants in 16 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[18, 12, 3, 6, 1, 1, 1, 1, 1, 1, 1]
RANDOM walk for 10000 steps (2 resets) in 52 ms. (188 steps per ms)
FORMULA Peterson-PT-2-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Peterson-PT-2-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Peterson-PT-2-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Peterson-PT-2-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Peterson-PT-2-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Peterson-PT-2-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Peterson-PT-2-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 63 ms. (625 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2, 3, 1, 3] Max Struct:[18, 12, 3, 6]
[2024-06-01 19:18:51] [INFO ] Flow matrix only has 120 transitions (discarded 6 similar events)
[2024-06-01 19:18:51] [INFO ] Invariant cache hit.
[2024-06-01 19:18:52] [INFO ] [Real]Absence check using 8 positive place invariants in 14 ms returned sat
[2024-06-01 19:18:52] [INFO ] [Real]Absence check using 8 positive and 3 generalized place invariants in 9 ms returned sat
[2024-06-01 19:18:52] [INFO ] [Real]Absence check using state equation in 146 ms returned sat
[2024-06-01 19:18:52] [INFO ] State equation strengthened by 22 read => feed constraints.
[2024-06-01 19:18:52] [INFO ] [Real]Added 22 Read/Feed constraints in 11 ms returned sat
[2024-06-01 19:18:52] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 19:18:52] [INFO ] [Nat]Absence check using 8 positive place invariants in 5 ms returned sat
[2024-06-01 19:18:52] [INFO ] [Nat]Absence check using 8 positive and 3 generalized place invariants in 3 ms returned sat
[2024-06-01 19:18:52] [INFO ] [Nat]Absence check using state equation in 73 ms returned sat
[2024-06-01 19:18:52] [INFO ] [Nat]Added 22 Read/Feed constraints in 9 ms returned sat
[2024-06-01 19:18:52] [INFO ] Deduced a trap composed of 8 places in 112 ms of which 16 ms to minimize.
[2024-06-01 19:18:52] [INFO ] Deduced a trap composed of 29 places in 96 ms of which 2 ms to minimize.
[2024-06-01 19:18:52] [INFO ] Deduced a trap composed of 12 places in 81 ms of which 2 ms to minimize.
[2024-06-01 19:18:53] [INFO ] Deduced a trap composed of 31 places in 60 ms of which 1 ms to minimize.
[2024-06-01 19:18:53] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 439 ms
[2024-06-01 19:18:53] [INFO ] Computed and/alt/rep : 111/188/111 causal constraints (skipped 6 transitions) in 21 ms.
[2024-06-01 19:18:53] [INFO ] Added : 80 causal constraints over 17 iterations in 308 ms. Result :sat
Minimization took 68 ms.
[2024-06-01 19:18:53] [INFO ] [Real]Absence check using 8 positive place invariants in 9 ms returned unsat
[2024-06-01 19:18:53] [INFO ] [Real]Absence check using 8 positive place invariants in 5 ms returned sat
[2024-06-01 19:18:53] [INFO ] [Real]Absence check using 8 positive and 3 generalized place invariants in 2 ms returned sat
[2024-06-01 19:18:53] [INFO ] [Real]Absence check using state equation in 51 ms returned sat
[2024-06-01 19:18:53] [INFO ] [Real]Added 22 Read/Feed constraints in 5 ms returned sat
[2024-06-01 19:18:53] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 19:18:53] [INFO ] [Nat]Absence check using 8 positive place invariants in 6 ms returned sat
[2024-06-01 19:18:53] [INFO ] [Nat]Absence check using 8 positive and 3 generalized place invariants in 1 ms returned sat
[2024-06-01 19:18:53] [INFO ] [Nat]Absence check using state equation in 57 ms returned sat
[2024-06-01 19:18:53] [INFO ] [Nat]Added 22 Read/Feed constraints in 21 ms returned sat
[2024-06-01 19:18:53] [INFO ] Deduced a trap composed of 8 places in 50 ms of which 1 ms to minimize.
[2024-06-01 19:18:53] [INFO ] Deduced a trap composed of 22 places in 49 ms of which 1 ms to minimize.
[2024-06-01 19:18:53] [INFO ] Deduced a trap composed of 29 places in 51 ms of which 1 ms to minimize.
[2024-06-01 19:18:53] [INFO ] Deduced a trap composed of 12 places in 50 ms of which 2 ms to minimize.
[2024-06-01 19:18:54] [INFO ] Deduced a trap composed of 11 places in 51 ms of which 1 ms to minimize.
[2024-06-01 19:18:54] [INFO ] Deduced a trap composed of 29 places in 47 ms of which 2 ms to minimize.
[2024-06-01 19:18:54] [INFO ] Deduced a trap composed of 27 places in 51 ms of which 2 ms to minimize.
[2024-06-01 19:18:54] [INFO ] Deduced a trap composed of 8 places in 46 ms of which 1 ms to minimize.
[2024-06-01 19:18:54] [INFO ] Deduced a trap composed of 22 places in 45 ms of which 1 ms to minimize.
[2024-06-01 19:18:54] [INFO ] Deduced a trap composed of 25 places in 41 ms of which 1 ms to minimize.
[2024-06-01 19:18:54] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 10 trap constraints in 620 ms
[2024-06-01 19:18:54] [INFO ] [Real]Absence check using 8 positive place invariants in 6 ms returned unsat
Current structural bounds on expressions (after SMT) : Max Seen:[2, 3, 1, 3] Max Struct:[18, 3, 1, 3]
FORMULA Peterson-PT-2-UpperBounds-06 3 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA Peterson-PT-2-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA Peterson-PT-2-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA Peterson-PT-2-UpperBounds-01 3 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[18]
Support contains 18 out of 102 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 102/102 places, 126/126 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 12 transitions
Trivial Post-agglo rules discarded 12 transitions
Performed 12 trivial Post agglomeration. Transition count delta: 12
Iterating post reduction 0 with 12 rules applied. Total rules applied 12 place count 102 transition count 114
Reduce places removed 12 places and 0 transitions.
Performed 12 Post agglomeration using F-continuation condition.Transition count delta: 12
Iterating post reduction 1 with 24 rules applied. Total rules applied 36 place count 90 transition count 102
Reduce places removed 12 places and 0 transitions.
Iterating post reduction 2 with 12 rules applied. Total rules applied 48 place count 78 transition count 102
Performed 12 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 12 Pre rules applied. Total rules applied 48 place count 78 transition count 90
Deduced a syphon composed of 12 places in 1 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 3 with 24 rules applied. Total rules applied 72 place count 66 transition count 90
Applied a total of 72 rules in 46 ms. Remains 66 /102 variables (removed 36) and now considering 90/126 (removed 36) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 67 ms. Remains : 66/102 places, 90/126 transitions.
[2024-06-01 19:18:54] [INFO ] Flow matrix only has 84 transitions (discarded 6 similar events)
// Phase 1: matrix 84 rows 66 cols
[2024-06-01 19:18:54] [INFO ] Computed 11 invariants in 7 ms
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[18]
RANDOM walk for 1000000 steps (2 resets) in 1166 ms. (856 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 561 ms. (1779 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[3] Max Struct:[18]
[2024-06-01 19:18:56] [INFO ] Flow matrix only has 84 transitions (discarded 6 similar events)
[2024-06-01 19:18:56] [INFO ] Invariant cache hit.
[2024-06-01 19:18:56] [INFO ] [Real]Absence check using 8 positive place invariants in 4 ms returned unsat
Current structural bounds on expressions (after SMT) : Max Seen:[3] Max Struct:[3]
FORMULA Peterson-PT-2-UpperBounds-05 3 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA Peterson-PT-2-UpperBounds-00 3 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[] Max Struct:[]
RANDOM walk for 0 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/0 properties
Finished probabilistic random walk after 0 steps, run visited all 0 properties in 0 ms. (steps per millisecond=0 )
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[] Max Struct:[]
All properties solved without resorting to model-checking.
Total runtime 5410 ms.
ITS solved all properties within timeout

BK_STOP 1717269536515

--------------------
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 UpperBounds -timeout 360 -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="Peterson-PT-2"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="ltsminxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
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 Peterson-PT-2, examination is UpperBounds"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r512-smll-171654407200253"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

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