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.r297-tall-167873950300335.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 PhilosophersDyn-PT-20, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r297-tall-167873950300335
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 52M
-rw-r--r-- 1 mcc users 118K Feb 26 13:09 CTLCardinality.txt
-rw-r--r-- 1 mcc users 462K Feb 26 13:09 CTLCardinality.xml
-rw-r--r-- 1 mcc users 2.0M Feb 26 13:04 CTLFireability.txt
-rw-r--r-- 1 mcc users 9.6M Feb 26 13:04 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.3K Jan 29 11:40 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 66K Feb 25 16:34 LTLCardinality.txt
-rw-r--r-- 1 mcc users 189K Feb 25 16:34 LTLCardinality.xml
-rw-r--r-- 1 mcc users 1.6M Feb 25 16:34 LTLFireability.txt
-rw-r--r-- 1 mcc users 5.6M Feb 25 16:34 LTLFireability.xml
-rw-r--r-- 1 mcc users 335K Feb 26 14:31 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 1.4M Feb 26 14:31 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 3.0M Feb 26 14:22 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 15M Feb 26 14:22 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 12K Feb 25 16:34 UpperBounds.txt
-rw-r--r-- 1 mcc users 25K Feb 25 16:34 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 14M Mar 5 18:23 model.pnml

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

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

The expected result is a vector of booleans
BOOL_VECTOR

here is the order used to build the result vector(from text file)
FORMULA_NAME PhilosophersDyn-PT-20-ReachabilityFireability-00
FORMULA_NAME PhilosophersDyn-PT-20-ReachabilityFireability-01
FORMULA_NAME PhilosophersDyn-PT-20-ReachabilityFireability-02
FORMULA_NAME PhilosophersDyn-PT-20-ReachabilityFireability-03
FORMULA_NAME PhilosophersDyn-PT-20-ReachabilityFireability-04
FORMULA_NAME PhilosophersDyn-PT-20-ReachabilityFireability-05
FORMULA_NAME PhilosophersDyn-PT-20-ReachabilityFireability-06
FORMULA_NAME PhilosophersDyn-PT-20-ReachabilityFireability-07
FORMULA_NAME PhilosophersDyn-PT-20-ReachabilityFireability-08
FORMULA_NAME PhilosophersDyn-PT-20-ReachabilityFireability-09
FORMULA_NAME PhilosophersDyn-PT-20-ReachabilityFireability-10
FORMULA_NAME PhilosophersDyn-PT-20-ReachabilityFireability-11
FORMULA_NAME PhilosophersDyn-PT-20-ReachabilityFireability-12
FORMULA_NAME PhilosophersDyn-PT-20-ReachabilityFireability-13
FORMULA_NAME PhilosophersDyn-PT-20-ReachabilityFireability-14
FORMULA_NAME PhilosophersDyn-PT-20-ReachabilityFireability-15

=== Now, execution of the tool begins

BK_START 1679498645433

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=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=PhilosophersDyn-PT-20
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-22 15:24:07] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -timeout, 360, -rebuildPNML]
[2023-03-22 15:24:07] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-22 15:24:08] [INFO ] Load time of PNML (sax parser for PT used): 801 ms
[2023-03-22 15:24:08] [INFO ] Transformed 540 places.
[2023-03-22 15:24:08] [INFO ] Transformed 17220 transitions.
[2023-03-22 15:24:08] [INFO ] Parsed PT model containing 540 places and 17220 transitions and 140780 arcs in 1450 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 311 ms.
Working with output stream class java.io.PrintStream
[2023-03-22 15:24:09] [INFO ] Reduced 379 identical enabling conditions.
[2023-03-22 15:24:09] [INFO ] Reduced 379 identical enabling conditions.
[2023-03-22 15:24:09] [INFO ] Reduced 379 identical enabling conditions.
[2023-03-22 15:24:09] [INFO ] Reduced 379 identical enabling conditions.
Ensure Unique test removed 190 transitions
Reduce redundant transitions removed 190 transitions.
FORMULA PhilosophersDyn-PT-20-ReachabilityFireability-01 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA PhilosophersDyn-PT-20-ReachabilityFireability-03 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Incomplete random walk after 10000 steps, including 1138 resets, run finished after 1795 ms. (steps per millisecond=5 ) properties (out of 14) seen :7
FORMULA PhilosophersDyn-PT-20-ReachabilityFireability-11 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA PhilosophersDyn-PT-20-ReachabilityFireability-10 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA PhilosophersDyn-PT-20-ReachabilityFireability-07 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA PhilosophersDyn-PT-20-ReachabilityFireability-06 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA PhilosophersDyn-PT-20-ReachabilityFireability-04 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA PhilosophersDyn-PT-20-ReachabilityFireability-02 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA PhilosophersDyn-PT-20-ReachabilityFireability-00 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 36 resets, run finished after 550 ms. (steps per millisecond=18 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 10001 steps, including 31 resets, run finished after 207 ms. (steps per millisecond=48 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 10001 steps, including 26 resets, run finished after 99 ms. (steps per millisecond=101 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 10001 steps, including 26 resets, run finished after 272 ms. (steps per millisecond=36 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 10001 steps, including 32 resets, run finished after 121 ms. (steps per millisecond=82 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 10001 steps, including 24 resets, run finished after 136 ms. (steps per millisecond=73 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 10001 steps, including 32 resets, run finished after 59 ms. (steps per millisecond=169 ) properties (out of 7) seen :1
FORMULA PhilosophersDyn-PT-20-ReachabilityFireability-15 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Running SMT prover for 6 properties.
[2023-03-22 15:24:13] [INFO ] Flow matrix only has 15510 transitions (discarded 1520 similar events)
// Phase 1: matrix 15510 rows 540 cols
[2023-03-22 15:24:14] [INFO ] Computed 79 place invariants in 1122 ms
[2023-03-22 15:24:16] [INFO ] [Real]Absence check using 53 positive place invariants in 14 ms returned sat
[2023-03-22 15:24:16] [INFO ] [Real]Absence check using 53 positive and 26 generalized place invariants in 33 ms returned sat
[2023-03-22 15:24:16] [INFO ] After 625ms SMT Verify possible using all constraints in real domain returned unsat :1 sat :0 real:5
[2023-03-22 15:24:16] [INFO ] [Nat]Absence check using 53 positive place invariants in 17 ms returned sat
[2023-03-22 15:24:16] [INFO ] [Nat]Absence check using 53 positive and 26 generalized place invariants in 33 ms returned sat
[2023-03-22 15:24:34] [INFO ] After 17995ms SMT Verify possible using state equation in natural domain returned unsat :4 sat :2
[2023-03-22 15:24:34] [INFO ] State equation strengthened by 8060 read => feed constraints.
[2023-03-22 15:24:41] [INFO ] After 6414ms SMT Verify possible using 8060 Read/Feed constraints in natural domain returned unsat :4 sat :1
[2023-03-22 15:24:41] [INFO ] After 6415ms SMT Verify possible using trap constraints in natural domain returned unsat :4 sat :1
Attempting to minimize the solution found.
Minimization took 6 ms.
[2023-03-22 15:24:41] [INFO ] After 25042ms SMT Verify possible using all constraints in natural domain returned unsat :4 sat :1
FORMULA PhilosophersDyn-PT-20-ReachabilityFireability-12 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA PhilosophersDyn-PT-20-ReachabilityFireability-09 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA PhilosophersDyn-PT-20-ReachabilityFireability-08 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA PhilosophersDyn-PT-20-ReachabilityFireability-05 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
Fused 6 Parikh solutions to 2 different solutions.
Parikh walk visited 0 properties in 583 ms.
Support contains 175 out of 540 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 540/540 places, 17030/17030 transitions.
Applied a total of 0 rules in 4252 ms. Remains 540 /540 variables (removed 0) and now considering 17030/17030 (removed 0) transitions.
[2023-03-22 15:24:46] [INFO ] Flow matrix only has 15510 transitions (discarded 1520 similar events)
[2023-03-22 15:24:46] [INFO ] Invariant cache hit.
[2023-03-22 15:24:55] [INFO ] Dead Transitions using invariants and state equation in 9512 ms found 1560 transitions.
Found 1560 dead transitions using SMT.
Drop transitions removed 1560 transitions
Dead transitions reduction (with SMT) triggered by suspicious arc values removed 1560 transitions.
Starting structural reductions in REACHABILITY mode, iteration 1 : 540/540 places, 15470/17030 transitions.
Applied a total of 0 rules in 3442 ms. Remains 540 /540 variables (removed 0) and now considering 15470/15470 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 17226 ms. Remains : 540/540 places, 15470/17030 transitions.
Incomplete random walk after 10000 steps, including 1150 resets, run finished after 630 ms. (steps per millisecond=15 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 32 resets, run finished after 108 ms. (steps per millisecond=92 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 21 resets, run finished after 126 ms. (steps per millisecond=79 ) properties (out of 2) seen :0
Interrupted probabilistic random walk after 20040 steps, run timeout after 3001 ms. (steps per millisecond=6 ) properties seen :{}
Probabilistic random walk after 20040 steps, saw 5872 distinct states, run finished after 3003 ms. (steps per millisecond=6 ) properties seen :0
Running SMT prover for 2 properties.
// Phase 1: matrix 15470 rows 540 cols
[2023-03-22 15:25:04] [INFO ] Computed 79 place invariants in 1975 ms
[2023-03-22 15:25:05] [INFO ] [Real]Absence check using 27 positive place invariants in 6 ms returned sat
[2023-03-22 15:25:05] [INFO ] [Real]Absence check using 27 positive and 52 generalized place invariants in 52 ms returned sat
[2023-03-22 15:25:05] [INFO ] After 180ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2023-03-22 15:25:05] [INFO ] [Nat]Absence check using 27 positive place invariants in 6 ms returned sat
[2023-03-22 15:25:05] [INFO ] [Nat]Absence check using 27 positive and 52 generalized place invariants in 47 ms returned sat
[2023-03-22 15:25:20] [INFO ] After 15252ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2023-03-22 15:25:20] [INFO ] State equation strengthened by 8020 read => feed constraints.
[2023-03-22 15:25:30] [INFO ] After 9431ms SMT Verify possible using 8020 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-22 15:25:30] [INFO ] After 9434ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 8 ms.
[2023-03-22 15:25:30] [INFO ] After 25045ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 158 ms.
Support contains 175 out of 540 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 540/540 places, 15470/15470 transitions.
Applied a total of 0 rules in 3352 ms. Remains 540 /540 variables (removed 0) and now considering 15470/15470 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3352 ms. Remains : 540/540 places, 15470/15470 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 540/540 places, 15470/15470 transitions.
Applied a total of 0 rules in 3201 ms. Remains 540 /540 variables (removed 0) and now considering 15470/15470 (removed 0) transitions.
[2023-03-22 15:25:37] [INFO ] Invariant cache hit.
[2023-03-22 15:25:38] [INFO ] Implicit Places using invariants in 1438 ms returned []
Implicit Place search using SMT only with invariants took 1446 ms to find 0 implicit places.
[2023-03-22 15:25:38] [INFO ] Invariant cache hit.
[2023-03-22 15:25:47] [INFO ] Dead Transitions using invariants and state equation in 9071 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 13721 ms. Remains : 540/540 places, 15470/15470 transitions.
Applied a total of 0 rules in 1022 ms. Remains 540 /540 variables (removed 0) and now considering 15470/15470 (removed 0) transitions.
Running SMT prover for 2 properties.
[2023-03-22 15:25:48] [INFO ] Invariant cache hit.
[2023-03-22 15:25:48] [INFO ] [Real]Absence check using 27 positive place invariants in 7 ms returned sat
[2023-03-22 15:25:48] [INFO ] [Real]Absence check using 27 positive and 52 generalized place invariants in 47 ms returned sat
[2023-03-22 15:25:48] [INFO ] After 168ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2023-03-22 15:25:48] [INFO ] [Nat]Absence check using 27 positive place invariants in 7 ms returned sat
[2023-03-22 15:25:49] [INFO ] [Nat]Absence check using 27 positive and 52 generalized place invariants in 49 ms returned sat
[2023-03-22 15:26:03] [INFO ] After 14581ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2023-03-22 15:26:04] [INFO ] After 15845ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
Attempting to minimize the solution found.
Minimization took 762 ms.
[2023-03-22 15:26:05] [INFO ] After 16785ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
[2023-03-22 15:26:05] [INFO ] Export to MCC of 2 properties in file /home/mcc/execution/ReachabilityFireability.sr.xml took 5 ms.
[2023-03-22 15:26:05] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 540 places, 15470 transitions and 120800 arcs took 82 ms.
[2023-03-22 15:26:07] [INFO ] Flatten gal took : 1069 ms
Total runtime 119866 ms.
There are residual formulas that ITS could not solve within timeout
pnml2lts-sym model.pnml --lace-workers=4 --vset=lddmc --saturation=sat -rbs,w2W,ru,hf --sylvan-sizes=20,28,20,28 --inv-bin-par --invariant=/tmp/502/inv_0_ --invariant=/tmp/502/inv_1_ --inv-par
TIME LIMIT: Killed by timeout after 3600 seconds
MemTotal: 16393216 kB
MemFree: 14821072 kB
After kill :
MemTotal: 16393216 kB
MemFree: 16026916 kB

BK_TIME_CONFINEMENT_REACHED

--------------------
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 ReachabilityFireability -timeout 360 -rebuildPNML
mcc2023

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="PhilosophersDyn-PT-20"
export BK_EXAMINATION="ReachabilityFireability"
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 2-5348"
echo " Executing tool ltsminxred"
echo " Input is PhilosophersDyn-PT-20, examination is ReachabilityFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r297-tall-167873950300335"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/PhilosophersDyn-PT-20.tgz
mv PhilosophersDyn-PT-20 execution
cd execution
if [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "UpperBounds" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] || [ "ReachabilityFireability" = "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 [ "ReachabilityFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityFireability" != "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 "ReachabilityFireability.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property ReachabilityFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "ReachabilityFireability.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 '' ReachabilityFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityFireability"
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 ;