Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r196-tall-174889279200491.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-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 2-5832
Executing tool gold2024
Input is SafeBus-PT-15, examination is ReachabilityDeadlock
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r196-tall-174889279200491
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 13M
-rw-r--r-- 1 mcc users 45K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 269K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 441K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 1.9M May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:32 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 27K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 107K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 186K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 605K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 71K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 382K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 944K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 3.9M May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 7.9K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 20K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 3 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 3.5M May 29 14:32 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 1748965174169

Invoking MCC driver with
BK_TOOL=gold2024
BK_EXAMINATION=ReachabilityDeadlock
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=SafeBus-PT-15
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2025-06-03 15:39:35] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityDeadlock, -timeout, 180, -rebuildPNML]
[2025-06-03 15:39:35] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-03 15:39:35] [INFO ] Load time of PNML (sax parser for PT used): 278 ms
[2025-06-03 15:39:35] [INFO ] Transformed 621 places.
[2025-06-03 15:39:35] [INFO ] Transformed 4771 transitions.
[2025-06-03 15:39:35] [INFO ] Found NUPN structural information;
[2025-06-03 15:39:35] [INFO ] Parsed PT model containing 621 places and 4771 transitions and 34549 arcs in 414 ms.
Parsed 1 properties from file /home/mcc/execution/ReachabilityDeadlock.xml in 4 ms.
Working with output stream class java.io.PrintStream
Reduce places removed 15 places and 0 transitions.
Built sparse matrix representations for Structural reductions in 8 ms.27396KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 606/606 places, 4771/4771 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 1273 ms. Remains 606 /606 variables (removed 0) and now considering 4771/4771 (removed 0) transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 1287 ms. Remains : 606/606 places, 4771/4771 transitions.
Starting structural reductions in DEADLOCK mode, iteration 0 : 606/606 places, 4771/4771 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 1297 ms. Remains 606 /606 variables (removed 0) and now considering 4771/4771 (removed 0) transitions.
[2025-06-03 15:39:38] [INFO ] Flow matrix only has 1412 transitions (discarded 3359 similar events)
// Phase 1: matrix 1412 rows 606 cols
[2025-06-03 15:39:38] [INFO ] Computed 65 invariants in 68 ms
[2025-06-03 15:39:43] [INFO ] Implicit Places using invariants in 4849 ms returned [546, 547, 548, 549, 550, 551, 552, 553, 554, 555, 556, 557, 558, 559, 560]
Discarding 15 places :
Implicit Place search using SMT only with invariants took 4892 ms to find 15 implicit places.
Starting structural reductions in DEADLOCK mode, iteration 1 : 591/606 places, 4771/4771 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Performed 15 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 15 Pre rules applied. Total rules applied 0 place count 591 transition count 4756
Deduced a syphon composed of 15 places in 6 ms
Reduce places removed 15 places and 0 transitions.
Iterating global reduction 0 with 30 rules applied. Total rules applied 30 place count 576 transition count 4756
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 30 rules in 1620 ms. Remains 576 /591 variables (removed 15) and now considering 4756/4771 (removed 15) transitions.
[2025-06-03 15:39:45] [INFO ] Flow matrix only has 1397 transitions (discarded 3359 similar events)
// Phase 1: matrix 1397 rows 576 cols
[2025-06-03 15:39:45] [INFO ] Computed 50 invariants in 35 ms
[2025-06-03 15:39:48] [INFO ] Implicit Places using invariants in 3732 ms returned []
[2025-06-03 15:39:48] [INFO ] Flow matrix only has 1397 transitions (discarded 3359 similar events)
[2025-06-03 15:39:48] [INFO ] Invariant cache hit.
[2025-06-03 15:39:49] [INFO ] State equation strengthened by 241 read => feed constraints.
[2025-06-03 15:39:57] [INFO ] Implicit Places using invariants and state equation in 8899 ms returned []
Implicit Place search using SMT with State Equation took 12638 ms to find 0 implicit places.
Starting structural reductions in DEADLOCK mode, iteration 2 : 576/606 places, 4756/4771 transitions.
Finished structural reductions in DEADLOCK mode , in 2 iterations and 20452 ms. Remains : 576/606 places, 4756/4771 transitions.
Random walk for 1250000 steps, including 0 resets, run took 17262 ms (no deadlock found). (steps per millisecond=72 )
Random directed walk for 1250002 steps, including 0 resets, run took 12121 ms (no deadlock found). (steps per millisecond=103 )
[2025-06-03 15:40:27] [INFO ] Flow matrix only has 1397 transitions (discarded 3359 similar events)
[2025-06-03 15:40:27] [INFO ] Invariant cache hit.
[2025-06-03 15:40:27] [INFO ] [Real]Absence check using 19 positive place invariants in 52 ms returned sat
[2025-06-03 15:40:33] [INFO ] [Real]Absence check using 19 positive and 31 generalized place invariants in 6007 ms returned sat
[2025-06-03 15:40:36] [INFO ] [Real]Absence check using state equation in 2695 ms returned sat
[2025-06-03 15:40:36] [INFO ] Solution in real domain found non-integer solution.
[2025-06-03 15:40:37] [INFO ] [Nat]Absence check using 19 positive place invariants in 24 ms returned sat
[2025-06-03 15:40:38] [INFO ] [Nat]Absence check using 19 positive and 31 generalized place invariants in 1309 ms returned sat
[2025-06-03 15:40:40] [INFO ] [Nat]Absence check using state equation in 1297 ms returned sat
[2025-06-03 15:40:40] [INFO ] State equation strengthened by 241 read => feed constraints.
[2025-06-03 15:40:40] [INFO ] [Nat]Added 241 Read/Feed constraints in 456 ms returned sat
[2025-06-03 15:40:40] [INFO ] Deduced a trap composed of 61 places in 209 ms of which 20 ms to minimize.
[2025-06-03 15:40:43] [INFO ] Deduced a trap composed of 74 places in 180 ms of which 3 ms to minimize.
[2025-06-03 15:40:44] [INFO ] Deduced a trap composed of 61 places in 692 ms of which 32 ms to minimize.
[2025-06-03 15:40:45] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 4692 ms
[2025-06-03 15:40:45] [INFO ] Computed and/alt/rep : 30/45/30 causal constraints (skipped 1352 transitions) in 486 ms.
[2025-06-03 15:40:46] [INFO ] Added : 2 causal constraints over 2 iterations in 778 ms. Result :sat
Parikh directed walk for 21500 steps, including 1000 resets, run took 381 ms. (steps per millisecond=56 )
Random directed walk for 500000 steps, including 0 resets, run took 5215 ms (no deadlock found). (steps per millisecond=95 )
Random walk for 500000 steps, including 0 resets, run took 7221 ms (no deadlock found). (steps per millisecond=69 )
Random directed walk for 500000 steps, including 0 resets, run took 5129 ms (no deadlock found). (steps per millisecond=97 )
Random walk for 500000 steps, including 0 resets, run took 6946 ms (no deadlock found). (steps per millisecond=71 )
Starting structural reductions in DEADLOCK mode, iteration 0 : 576/576 places, 4756/4756 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 944 ms. Remains 576 /576 variables (removed 0) and now considering 4756/4756 (removed 0) transitions.
[2025-06-03 15:41:11] [INFO ] Flow matrix only has 1397 transitions (discarded 3359 similar events)
[2025-06-03 15:41:11] [INFO ] Invariant cache hit.
[2025-06-03 15:41:15] [INFO ] Implicit Places using invariants in 3612 ms returned []
[2025-06-03 15:41:15] [INFO ] Flow matrix only has 1397 transitions (discarded 3359 similar events)
[2025-06-03 15:41:15] [INFO ] Invariant cache hit.
[2025-06-03 15:41:16] [INFO ] State equation strengthened by 241 read => feed constraints.
[2025-06-03 15:41:24] [INFO ] Implicit Places using invariants and state equation in 9412 ms returned []
Implicit Place search using SMT with State Equation took 13042 ms to find 0 implicit places.
[2025-06-03 15:41:25] [INFO ] Redundant transitions in 337 ms returned []
Running 4741 sub problems to find dead transitions.
[2025-06-03 15:41:25] [INFO ] Flow matrix only has 1397 transitions (discarded 3359 similar events)
[2025-06-03 15:41:25] [INFO ] Invariant cache hit.
[2025-06-03 15:41:25] [INFO ] State equation strengthened by 241 read => feed constraints.
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
At refinement iteration 0 (INCLUDED_ONLY) 0/576 variables, 576/576 constraints. Problems are: Problem set: 0 solved, 4741 unsolved
SMT process timed out in 59734ms, After SMT, problems are : Problem set: 0 solved, 4741 unsolved
Search for dead transitions found 0 dead transitions in 59801ms
Finished structural reductions in DEADLOCK mode , in 1 iterations and 74169 ms. Remains : 576/576 places, 4756/4756 transitions.
Random walk for 1250000 steps, including 0 resets, run took 17904 ms (no deadlock found). (steps per millisecond=69 )
Random directed walk for 1250001 steps, including 0 resets, run took 12375 ms (no deadlock found). (steps per millisecond=101 )
[2025-06-03 15:42:55] [INFO ] Flow matrix only has 1397 transitions (discarded 3359 similar events)
[2025-06-03 15:42:55] [INFO ] Invariant cache hit.
[2025-06-03 15:42:56] [INFO ] [Real]Absence check using 19 positive place invariants in 51 ms returned sat
[2025-06-03 15:43:02] [INFO ] [Real]Absence check using 19 positive and 31 generalized place invariants in 5993 ms returned sat
[2025-06-03 15:43:03] [INFO ] [Real]Absence check using state equation in 1471 ms returned sat
[2025-06-03 15:43:03] [INFO ] Solution in real domain found non-integer solution.
[2025-06-03 15:43:04] [INFO ] [Nat]Absence check using 19 positive place invariants in 23 ms returned sat
[2025-06-03 15:43:05] [INFO ] [Nat]Absence check using 19 positive and 31 generalized place invariants in 1275 ms returned sat
[2025-06-03 15:43:07] [INFO ] [Nat]Absence check using state equation in 1278 ms returned sat
[2025-06-03 15:43:07] [INFO ] State equation strengthened by 241 read => feed constraints.
[2025-06-03 15:43:07] [INFO ] [Nat]Added 241 Read/Feed constraints in 463 ms returned sat
[2025-06-03 15:43:07] [INFO ] Deduced a trap composed of 61 places in 166 ms of which 3 ms to minimize.
[2025-06-03 15:43:10] [INFO ] Deduced a trap composed of 74 places in 168 ms of which 2 ms to minimize.
[2025-06-03 15:43:10] [INFO ] Deduced a trap composed of 61 places in 161 ms of which 2 ms to minimize.
[2025-06-03 15:43:11] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 3876 ms
[2025-06-03 15:43:11] [INFO ] Computed and/alt/rep : 30/45/30 causal constraints (skipped 1352 transitions) in 180 ms.
[2025-06-03 15:43:11] [INFO ] Added : 2 causal constraints over 2 iterations in 442 ms. Result :sat
Parikh directed walk for 21500 steps, including 1000 resets, run took 319 ms. (steps per millisecond=67 )
Random directed walk for 500002 steps, including 0 resets, run took 4944 ms (no deadlock found). (steps per millisecond=101 )
Random walk for 500000 steps, including 0 resets, run took 6788 ms (no deadlock found). (steps per millisecond=73 )
Random directed walk for 500009 steps, including 0 resets, run took 4700 ms (no deadlock found). (steps per millisecond=106 )
Random walk for 500000 steps, including 0 resets, run took 6792 ms (no deadlock found). (steps per millisecond=73 )
[2025-06-03 15:43:36] [INFO ] Flatten gal took : 395 ms
[2025-06-03 15:43:36] [INFO ] Export to MCC of 1 properties in file /home/mcc/execution/ReachabilityDeadlock.sr.xml took 1 ms.
[2025-06-03 15:43:36] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 606 places, 4771 transitions and 34129 arcs took 50 ms.
Total runtime 240657 ms.
There are residual formulas that ITS could not solve within timeout
----------------------------------------------------------------------
GreatSPN-meddly tool, MCC 2023
----------------------------------------------------------------------

Running SafeBus-PT-15

IS_COLORED=
IS_NUPN=

LOADING PETRI NET FILE /home/mcc/execution/403/model.pnml (PNML) ...
PNML VERSION 2009, P/T NET.
COLOR CLASSES: 0
CONSTANTS: 0
PLACES: 606
TRANSITIONS: 4771
COLOR VARS: 0
MEASURES: 0
LOADING TIME: [User 0.151s, Sys 0.012s]


SAVING FILE /home/mcc/execution/403/model (.net / .def) ...
EXPORT TIME: [User 0.018s, Sys 0.000s]


----------------------------------------------------------------------
GreatSPN/Meddly.
Copyright (C) 1987-2022, University of Torino, Italy.
website: https://github.com/greatspn/SOURCES

Based on MEDDLY version 0.16.0
Copyright (C) 2009, Iowa State University Research Foundation, Inc.
website: http://meddly.sourceforge.net

Process ID: 575
MODEL NAME: /home/mcc/execution/403/model
606 places, 4771 transitions.

No place bound informations found.
No place bound informations found.
No place bound informations found.
No place bound informations found.
Creating all event NSFs..
Creating all event NSFs..
Creating all event NSFs..
Creating all event NSFs..
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.

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_1.0.0.202405141337.jar
+ 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
MEDDLY ERROR: Insufficient memory

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="SafeBus-PT-15"
export BK_EXAMINATION="ReachabilityDeadlock"
export BK_TOOL="gold2024"
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 2-5832"
echo " Executing tool gold2024"
echo " Input is SafeBus-PT-15, 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 r196-tall-174889279200491"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/SafeBus-PT-15.tgz
mv SafeBus-PT-15 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.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 ;