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.r536-tall-171690531500069.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)
...............
=====================================================================
Generated by BenchKit 2-5568
Executing tool ltsminxred
Input is SquareGrid-PT-080408, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r536-tall-171690531500069
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.1M
-rw-r--r-- 1 mcc users 8.3K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 86K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.2K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 55K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:43 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.8K May 19 07:17 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K May 19 16:40 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K May 19 07:34 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K May 19 19:21 LTLFireability.xml
-rw-r--r-- 1 mcc users 18K Apr 12 05:36 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 189K Apr 12 05:36 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.8K Apr 12 04:59 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 79K Apr 12 04:59 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Apr 23 07:58 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Apr 23 07:58 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:43 equiv_col
-rw-r--r-- 1 mcc users 7 May 18 16:43 instance
-rw-r--r-- 1 mcc users 6 May 18 16:43 iscolored
-rwxr-xr-x 1 mcc users 505K 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 SquareGrid-PT-080408-UpperBounds-00
FORMULA_NAME SquareGrid-PT-080408-UpperBounds-01
FORMULA_NAME SquareGrid-PT-080408-UpperBounds-02
FORMULA_NAME SquareGrid-PT-080408-UpperBounds-03
FORMULA_NAME SquareGrid-PT-080408-UpperBounds-04
FORMULA_NAME SquareGrid-PT-080408-UpperBounds-05
FORMULA_NAME SquareGrid-PT-080408-UpperBounds-06
FORMULA_NAME SquareGrid-PT-080408-UpperBounds-07
FORMULA_NAME SquareGrid-PT-080408-UpperBounds-08
FORMULA_NAME SquareGrid-PT-080408-UpperBounds-09
FORMULA_NAME SquareGrid-PT-080408-UpperBounds-10
FORMULA_NAME SquareGrid-PT-080408-UpperBounds-11
FORMULA_NAME SquareGrid-PT-080408-UpperBounds-12
FORMULA_NAME SquareGrid-PT-080408-UpperBounds-13
FORMULA_NAME SquareGrid-PT-080408-UpperBounds-14
FORMULA_NAME SquareGrid-PT-080408-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1717226524118

Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=SquareGrid-PT-080408
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202405141337
[2024-06-01 07:22:05] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -timeout, 360, -rebuildPNML]
[2024-06-01 07:22:05] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-06-01 07:22:05] [INFO ] Load time of PNML (sax parser for PT used): 114 ms
[2024-06-01 07:22:05] [INFO ] Transformed 896 places.
[2024-06-01 07:22:05] [INFO ] Transformed 1056 transitions.
[2024-06-01 07:22:05] [INFO ] Parsed PT model containing 896 places and 1056 transitions and 4224 arcs in 216 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 7 ms.
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 1, 4, 4, 1, 0, 0, 1, 1, 4, 0, 1, 8, 0, 4] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 1, 4, 4, 1, 0, 0, 1, 1, 4, 0, 1, 8, 0, 4] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
// Phase 1: matrix 1056 rows 896 cols
[2024-06-01 07:22:05] [INFO ] Computed 353 invariants in 76 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 1, 4, 4, 1, 0, 0, 1, 1, 4, 0, 1, 8, 0, 4] Max Struct:[1, 1, 1, 24, 24, 1, 1, 1, 1, 1, 24, 1, 1, 24, 1, 24]
FORMULA SquareGrid-PT-080408-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SquareGrid-PT-080408-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SquareGrid-PT-080408-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SquareGrid-PT-080408-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SquareGrid-PT-080408-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 10000 steps (2 resets) in 686 ms. (14 steps per ms)
FORMULA SquareGrid-PT-080408-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA SquareGrid-PT-080408-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA SquareGrid-PT-080408-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA SquareGrid-PT-080408-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA SquareGrid-PT-080408-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA SquareGrid-PT-080408-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 50005 steps (10 resets) in 465 ms. (107 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[5, 8, 10, 14, 8] Max Struct:[24, 24, 24, 24, 24]
[2024-06-01 07:22:06] [INFO ] Invariant cache hit.
[2024-06-01 07:22:07] [INFO ] [Real]Absence check using 352 positive place invariants in 176 ms returned sat
[2024-06-01 07:22:07] [INFO ] [Real]Absence check using 352 positive and 1 generalized place invariants in 11 ms returned sat
[2024-06-01 07:22:07] [INFO ] [Real]Absence check using state equation in 379 ms returned sat
[2024-06-01 07:22:08] [INFO ] Computed and/alt/rep : 800/800/800 causal constraints (skipped 0 transitions) in 79 ms.
[2024-06-01 07:22:10] [INFO ] Added : 160 causal constraints over 32 iterations in 1992 ms. Result :sat
Minimization took 508 ms.
[2024-06-01 07:22:10] [INFO ] [Real]Absence check using 352 positive place invariants in 55 ms returned sat
[2024-06-01 07:22:10] [INFO ] [Real]Absence check using 352 positive and 1 generalized place invariants in 19 ms returned sat
[2024-06-01 07:22:11] [INFO ] [Real]Absence check using state equation in 355 ms returned sat
[2024-06-01 07:22:11] [INFO ] Computed and/alt/rep : 800/800/800 causal constraints (skipped 0 transitions) in 60 ms.
[2024-06-01 07:22:13] [INFO ] Added : 166 causal constraints over 34 iterations in 1931 ms. Result :sat
Minimization took 501 ms.
[2024-06-01 07:22:13] [INFO ] [Real]Absence check using 352 positive place invariants in 54 ms returned sat
[2024-06-01 07:22:13] [INFO ] [Real]Absence check using 352 positive and 1 generalized place invariants in 10 ms returned sat
[2024-06-01 07:22:14] [INFO ] [Real]Absence check using state equation in 290 ms returned sat
[2024-06-01 07:22:14] [INFO ] Computed and/alt/rep : 800/800/800 causal constraints (skipped 0 transitions) in 51 ms.
[2024-06-01 07:22:15] [INFO ] Added : 155 causal constraints over 31 iterations in 1753 ms. Result :sat
Minimization took 501 ms.
[2024-06-01 07:22:16] [INFO ] [Real]Absence check using 352 positive place invariants in 51 ms returned sat
[2024-06-01 07:22:16] [INFO ] [Real]Absence check using 352 positive and 1 generalized place invariants in 9 ms returned sat
[2024-06-01 07:22:16] [INFO ] [Real]Absence check using state equation in 287 ms returned sat
[2024-06-01 07:22:17] [INFO ] Computed and/alt/rep : 800/800/800 causal constraints (skipped 0 transitions) in 59 ms.
[2024-06-01 07:22:18] [INFO ] Added : 152 causal constraints over 31 iterations in 1769 ms. Result :sat
Minimization took 501 ms.
[2024-06-01 07:22:19] [INFO ] [Real]Absence check using 352 positive place invariants in 52 ms returned sat
[2024-06-01 07:22:19] [INFO ] [Real]Absence check using 352 positive and 1 generalized place invariants in 9 ms returned sat
[2024-06-01 07:22:19] [INFO ] [Real]Absence check using state equation in 285 ms returned sat
[2024-06-01 07:22:19] [INFO ] Computed and/alt/rep : 800/800/800 causal constraints (skipped 0 transitions) in 50 ms.
[2024-06-01 07:22:21] [INFO ] Added : 167 causal constraints over 34 iterations in 1897 ms. Result :sat
Minimization took 501 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[5, 8, 10, 14, 8] Max Struct:[24, 24, 24, 24, 24]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[5, 8, 10, 14, 8] Max Struct:[24, 24, 24, 24, 24]
Support contains 5 out of 896 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 896/896 places, 1056/1056 transitions.
Applied a total of 0 rules in 95 ms. Remains 896 /896 variables (removed 0) and now considering 1056/1056 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 107 ms. Remains : 896/896 places, 1056/1056 transitions.
[2024-06-01 07:22:22] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[5, 8, 10, 14, 8] Max Struct:[24, 24, 24, 24, 24]
RANDOM walk for 694594 steps (19 resets) in 30001 ms. (23 steps per ms)
FORMULA SquareGrid-PT-080408-UpperBounds-13 24 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA SquareGrid-PT-080408-UpperBounds-04 24 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 1693202 steps (3 resets) in 15007 ms. (112 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[15, 17, 18] Max Struct:[24, 24, 24]
[2024-06-01 07:23:07] [INFO ] Invariant cache hit.
[2024-06-01 07:23:07] [INFO ] [Real]Absence check using 352 positive place invariants in 48 ms returned sat
[2024-06-01 07:23:07] [INFO ] [Real]Absence check using 352 positive and 1 generalized place invariants in 10 ms returned sat
[2024-06-01 07:23:07] [INFO ] [Real]Absence check using state equation in 284 ms returned sat
[2024-06-01 07:23:08] [INFO ] Computed and/alt/rep : 800/800/800 causal constraints (skipped 0 transitions) in 49 ms.
[2024-06-01 07:23:09] [INFO ] Added : 162 causal constraints over 33 iterations in 1823 ms. Result :sat
Minimization took 686 ms.
[2024-06-01 07:23:10] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 07:23:10] [INFO ] [Nat]Absence check using 352 positive place invariants in 50 ms returned sat
[2024-06-01 07:23:10] [INFO ] [Nat]Absence check using 352 positive and 1 generalized place invariants in 9 ms returned sat
[2024-06-01 07:23:11] [INFO ] [Nat]Absence check using state equation in 260 ms returned sat
[2024-06-01 07:23:11] [INFO ] Computed and/alt/rep : 800/800/800 causal constraints (skipped 0 transitions) in 69 ms.
[2024-06-01 07:23:12] [INFO ] Added : 162 causal constraints over 33 iterations in 1775 ms. Result :sat
Minimization took 642 ms.
[2024-06-01 07:23:13] [INFO ] [Real]Absence check using 352 positive place invariants in 51 ms returned sat
[2024-06-01 07:23:13] [INFO ] [Real]Absence check using 352 positive and 1 generalized place invariants in 9 ms returned sat
[2024-06-01 07:23:13] [INFO ] [Real]Absence check using state equation in 293 ms returned sat
[2024-06-01 07:23:14] [INFO ] Computed and/alt/rep : 800/800/800 causal constraints (skipped 0 transitions) in 54 ms.
[2024-06-01 07:23:15] [INFO ] Added : 154 causal constraints over 31 iterations in 1752 ms. Result :sat
Minimization took 666 ms.
[2024-06-01 07:23:16] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 07:23:16] [INFO ] [Nat]Absence check using 352 positive place invariants in 50 ms returned sat
[2024-06-01 07:23:16] [INFO ] [Nat]Absence check using 352 positive and 1 generalized place invariants in 9 ms returned sat
[2024-06-01 07:23:17] [INFO ] [Nat]Absence check using state equation in 277 ms returned sat
[2024-06-01 07:23:17] [INFO ] Computed and/alt/rep : 800/800/800 causal constraints (skipped 0 transitions) in 47 ms.
[2024-06-01 07:23:18] [INFO ] Added : 154 causal constraints over 31 iterations in 1626 ms. Result :sat
Minimization took 642 ms.
[2024-06-01 07:23:19] [INFO ] [Real]Absence check using 352 positive place invariants in 57 ms returned sat
[2024-06-01 07:23:19] [INFO ] [Real]Absence check using 352 positive and 1 generalized place invariants in 9 ms returned sat
[2024-06-01 07:23:19] [INFO ] [Real]Absence check using state equation in 285 ms returned sat
[2024-06-01 07:23:19] [INFO ] Computed and/alt/rep : 800/800/800 causal constraints (skipped 0 transitions) in 49 ms.
[2024-06-01 07:23:21] [INFO ] Added : 154 causal constraints over 31 iterations in 1747 ms. Result :sat
Minimization took 667 ms.
[2024-06-01 07:23:22] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 07:23:22] [INFO ] [Nat]Absence check using 352 positive place invariants in 50 ms returned sat
[2024-06-01 07:23:22] [INFO ] [Nat]Absence check using 352 positive and 1 generalized place invariants in 9 ms returned sat
[2024-06-01 07:23:22] [INFO ] [Nat]Absence check using state equation in 264 ms returned sat
[2024-06-01 07:23:22] [INFO ] Computed and/alt/rep : 800/800/800 causal constraints (skipped 0 transitions) in 45 ms.
[2024-06-01 07:23:24] [INFO ] Added : 154 causal constraints over 31 iterations in 1593 ms. Result :sat
Minimization took 649 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[15, 17, 18] Max Struct:[24, 24, 24]
FORMULA SquareGrid-PT-080408-UpperBounds-15 24 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA SquareGrid-PT-080408-UpperBounds-10 24 TECHNIQUES TOPOLOGICAL PARIKH_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[24] Max Struct:[24]
Support contains 1 out of 896 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 896/896 places, 1056/1056 transitions.
Applied a total of 0 rules in 81 ms. Remains 896 /896 variables (removed 0) and now considering 1056/1056 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 81 ms. Remains : 896/896 places, 1056/1056 transitions.
[2024-06-01 07:24:55] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[24] Max Struct:[24]
FORMULA SquareGrid-PT-080408-UpperBounds-03 24 TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 725068 steps (18 resets) in 30001 ms. (24 steps per ms)
BEST_FIRST walk for 0 steps (0 resets) in 0 ms. (0 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[] Max Struct:[]
RANDOM walk for 0 steps (0 resets) in 6 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 199951 ms.
ITS solved all properties within timeout

BK_STOP 1717226725375

--------------------
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="SquareGrid-PT-080408"
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 SquareGrid-PT-080408, 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 r536-tall-171690531500069"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/SquareGrid-PT-080408.tgz
mv SquareGrid-PT-080408 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 ;