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.r343-tall-167889215000026.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)
.........................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5348
Executing tool ltsminxred
Input is RERS17pb113-PT-6, examination is ReachabilityDeadlock
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r343-tall-167889215000026
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 15M
-rw-r--r-- 1 mcc users 7.0K Feb 26 18:20 CTLCardinality.txt
-rw-r--r-- 1 mcc users 76K Feb 26 18:20 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.2K Feb 26 18:17 CTLFireability.txt
-rw-r--r-- 1 mcc users 44K Feb 26 18:17 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:41 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.7K Feb 25 16:37 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Feb 25 16:37 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.0K Feb 25 16:38 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Feb 25 16:38 LTLFireability.xml
-rw-r--r-- 1 mcc users 6.8K Feb 26 18:25 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 63K Feb 26 18:25 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Feb 26 18:23 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 65K Feb 26 18:23 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Feb 25 16:38 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Feb 25 16:38 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 2 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 15M 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

FORMULA_NAME ReachabilityDeadlock

=== Now, execution of the tool begins

BK_START 1679122649542

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=RERS17pb113-PT-6
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-18 06:57:31] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityDeadlock, -timeout, 180, -rebuildPNML]
[2023-03-18 06:57:31] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-18 06:57:31] [INFO ] Load time of PNML (sax parser for PT used): 571 ms
[2023-03-18 06:57:31] [INFO ] Transformed 639 places.
[2023-03-18 06:57:32] [INFO ] Transformed 31353 transitions.
[2023-03-18 06:57:32] [INFO ] Parsed PT model containing 639 places and 31353 transitions and 125418 arcs in 777 ms.
Parsed 1 properties from file /home/mcc/execution/ReachabilityDeadlock.xml in 2 ms.
Working with output stream class java.io.PrintStream
Built sparse matrix representations for Structural reductions in 19 ms.100655KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 639/639 places, 31353/31353 transitions.
Computed a total of 13 stabilizing places and 1 stable transitions
Ensure Unique test removed 12 places
Computed a total of 1 stabilizing places and 1 stable transitions
Iterating post reduction 0 with 12 rules applied. Total rules applied 12 place count 627 transition count 31353
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 1 with 1 rules applied. Total rules applied 13 place count 626 transition count 31352
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 13 rules in 894 ms. Remains 626 /639 variables (removed 13) and now considering 31352/31353 (removed 1) transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 900 ms. Remains : 626/639 places, 31352/31353 transitions.
Interrupted Random walk after 1061806 steps, including 0 resets, run timeout after 30001 ms. (steps per millisecond=35 )
[2023-03-18 06:58:03] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2023-03-18 06:58:03] [INFO ] Computed 13 place invariants in 114 ms
[2023-03-18 06:58:07] [INFO ] [Real]Absence check using 13 positive place invariants in 22 ms returned sat
[2023-03-18 06:58:07] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-18 06:58:22] [INFO ] [Real]Absence check using state equation in 15047 ms returned sat
[2023-03-18 06:58:22] [INFO ] Solution in real domain found non-integer solution.
[2023-03-18 06:58:26] [INFO ] [Nat]Absence check using 13 positive place invariants in 19 ms returned sat
[2023-03-18 06:58:26] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-18 06:58:38] [INFO ] [Nat]Absence check using state equation in 11539 ms returned sat
[2023-03-18 06:58:38] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-18 06:58:41] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-18 06:58:44] [INFO ] [Nat]Added 268 Read/Feed constraints in 6557 ms returned unknown
Random directed walk for 500016 steps, including 0 resets, run took 20359 ms (no deadlock found). (steps per millisecond=24 )
Random walk for 500000 steps, including 0 resets, run took 14524 ms (no deadlock found). (steps per millisecond=34 )
Random directed walk for 500000 steps, including 0 resets, run took 24941 ms (no deadlock found). (steps per millisecond=20 )
Random walk for 500000 steps, including 0 resets, run took 16874 ms (no deadlock found). (steps per millisecond=29 )
Starting structural reductions in DEADLOCK mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 0 rules in 256 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-18 07:00:01] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-18 07:00:01] [INFO ] Invariant cache hit.
[2023-03-18 07:00:03] [INFO ] Implicit Places using invariants in 1998 ms returned []
Implicit Place search using SMT only with invariants took 2003 ms to find 0 implicit places.
[2023-03-18 07:00:03] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-18 07:00:03] [INFO ] Invariant cache hit.
[2023-03-18 07:00:13] [INFO ] Dead Transitions using invariants and state equation in 9304 ms found 0 transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 11567 ms. Remains : 626/626 places, 31352/31352 transitions.
Interrupted Random walk after 884451 steps, including 0 resets, run timeout after 30001 ms. (steps per millisecond=29 )
[2023-03-18 07:00:43] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-18 07:00:43] [INFO ] Invariant cache hit.
[2023-03-18 07:00:46] [INFO ] [Real]Absence check using 13 positive place invariants in 17 ms returned sat
[2023-03-18 07:00:46] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-18 07:01:03] [INFO ] [Real]Absence check using state equation in 16732 ms returned sat
[2023-03-18 07:01:03] [INFO ] Solution in real domain found non-integer solution.
[2023-03-18 07:01:07] [INFO ] [Nat]Absence check using 13 positive place invariants in 17 ms returned sat
[2023-03-18 07:01:07] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-18 07:01:22] [INFO ] [Nat]Absence check using state equation in 15856 ms returned sat
[2023-03-18 07:01:23] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-18 07:01:26] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-18 07:01:26] [INFO ] [Nat]Added 268 Read/Feed constraints in 3722 ms returned sat
[2023-03-18 07:01:28] [INFO ] Deduced a trap composed of 40 places in 1706 ms of which 3 ms to minimize.
[2023-03-18 07:01:31] [INFO ] Deduced a trap composed of 64 places in 2335 ms of which 2 ms to minimize.
[2023-03-18 07:01:33] [INFO ] Deduced a trap composed of 48 places in 1524 ms of which 1 ms to minimize.
[2023-03-18 07:01:35] [INFO ] Deduced a trap composed of 40 places in 1669 ms of which 2 ms to minimize.
[2023-03-18 07:01:37] [INFO ] Deduced a trap composed of 64 places in 1455 ms of which 2 ms to minimize.
[2023-03-18 07:01:39] [INFO ] Deduced a trap composed of 48 places in 1142 ms of which 1 ms to minimize.
[2023-03-18 07:01:41] [INFO ] Deduced a trap composed of 40 places in 1331 ms of which 0 ms to minimize.
[2023-03-18 07:01:43] [INFO ] Deduced a trap composed of 40 places in 1434 ms of which 1 ms to minimize.
[2023-03-18 07:01:44] [INFO ] Deduced a trap composed of 48 places in 1197 ms of which 0 ms to minimize.
[2023-03-18 07:01:46] [INFO ] Deduced a trap composed of 48 places in 1213 ms of which 0 ms to minimize.
[2023-03-18 07:01:47] [INFO ] Deduced a trap composed of 65 places in 1035 ms of which 0 ms to minimize.
[2023-03-18 07:01:49] [INFO ] Deduced a trap composed of 64 places in 1007 ms of which 1 ms to minimize.
[2023-03-18 07:01:50] [INFO ] Deduced a trap composed of 48 places in 796 ms of which 1 ms to minimize.
[2023-03-18 07:01:52] [INFO ] Deduced a trap composed of 24 places in 928 ms of which 0 ms to minimize.
[2023-03-18 07:01:53] [INFO ] Deduced a trap composed of 48 places in 1106 ms of which 1 ms to minimize.
[2023-03-18 07:01:54] [INFO ] Deduced a trap composed of 64 places in 951 ms of which 0 ms to minimize.
[2023-03-18 07:01:57] [INFO ] Deduced a trap composed of 40 places in 802 ms of which 1 ms to minimize.
[2023-03-18 07:01:58] [INFO ] Deduced a trap composed of 40 places in 663 ms of which 1 ms to minimize.
[2023-03-18 07:02:00] [INFO ] Deduced a trap composed of 64 places in 577 ms of which 1 ms to minimize.
[2023-03-18 07:02:01] [INFO ] Deduced a trap composed of 64 places in 618 ms of which 0 ms to minimize.
[2023-03-18 07:02:02] [INFO ] Deduced a trap composed of 64 places in 568 ms of which 3 ms to minimize.
[2023-03-18 07:02:03] [INFO ] Trap strengthening (SAT) tested/added 22/21 trap constraints in 36368 ms
[2023-03-18 07:02:05] [INFO ] Computed and/alt/rep : 1/9/1 causal constraints (skipped 18323 transitions) in 2392 ms.
[2023-03-18 07:02:06] [INFO ] Added : 0 causal constraints over 0 iterations in 3583 ms. Result :sat
Interrupted Parikh directed walk after 43489 steps, including 43489 resets, run timeout after 30001 ms. (steps per millisecond=1 )
Parikh directed walk for 43489 steps, including 43489 resets, run took 30002 ms. (steps per millisecond=1 )
Random directed walk for 500022 steps, including 0 resets, run took 25905 ms (no deadlock found). (steps per millisecond=19 )
Random walk for 500000 steps, including 0 resets, run took 17935 ms (no deadlock found). (steps per millisecond=27 )
Random directed walk for 500009 steps, including 0 resets, run took 25769 ms (no deadlock found). (steps per millisecond=19 )
Random walk for 500000 steps, including 0 resets, run took 17858 ms (no deadlock found). (steps per millisecond=27 )
[2023-03-18 07:04:06] [INFO ] Flatten gal took : 1094 ms
[2023-03-18 07:04:06] [INFO ] Export to MCC of 1 properties in file /home/mcc/execution/ReachabilityDeadlock.sr.xml took 1 ms.
[2023-03-18 07:04:06] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 639 places, 31353 transitions and 125418 arcs took 99 ms.
Total runtime 394982 ms.
There are residual formulas that ITS could not solve within timeout
TIME LIMIT: Killed by timeout after 1800 seconds
MemTotal: 16393216 kB
MemFree: 15329796 kB
After kill :
MemTotal: 16393216 kB
MemFree: 16078312 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 ReachabilityDeadlock -timeout 180 -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="RERS17pb113-PT-6"
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 RERS17pb113-PT-6, 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 r343-tall-167889215000026"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/RERS17pb113-PT-6.tgz
mv RERS17pb113-PT-6 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 ;