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.r268-smll-171654407600431.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 itstools
Input is Philosophers-COL-000500, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r268-smll-171654407600431
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 468K
-rw-r--r-- 1 mcc users 6.4K Apr 13 10:02 CTLCardinality.txt
-rw-r--r-- 1 mcc users 64K Apr 13 10:02 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.1K Apr 13 09:16 CTLFireability.txt
-rw-r--r-- 1 mcc users 57K Apr 13 09:16 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:43 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.8K May 18 16:43 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.6K Apr 23 07:43 LTLCardinality.txt
-rw-r--r-- 1 mcc users 23K Apr 23 07:43 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Apr 23 07:43 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Apr 23 07:43 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Apr 13 11:44 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 105K Apr 13 11:44 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.5K Apr 13 10:52 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 73K Apr 13 10:52 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Apr 23 07:43 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Apr 23 07:43 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 18 16:43 equiv_pt
-rw-r--r-- 1 mcc users 7 May 18 16:43 instance
-rw-r--r-- 1 mcc users 5 May 18 16:43 iscolored
-rw-r--r-- 1 mcc users 31K 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 booleans
BOOL_VECTOR

here is the order used to build the result vector(from text file)
FORMULA_NAME Philosophers-COL-000500-ReachabilityFireability-2024-00
FORMULA_NAME Philosophers-COL-000500-ReachabilityFireability-2024-01
FORMULA_NAME Philosophers-COL-000500-ReachabilityFireability-2024-02
FORMULA_NAME Philosophers-COL-000500-ReachabilityFireability-2024-03
FORMULA_NAME Philosophers-COL-000500-ReachabilityFireability-2024-04
FORMULA_NAME Philosophers-COL-000500-ReachabilityFireability-2024-05
FORMULA_NAME Philosophers-COL-000500-ReachabilityFireability-2024-06
FORMULA_NAME Philosophers-COL-000500-ReachabilityFireability-2024-07
FORMULA_NAME Philosophers-COL-000500-ReachabilityFireability-2024-08
FORMULA_NAME Philosophers-COL-000500-ReachabilityFireability-2024-09
FORMULA_NAME Philosophers-COL-000500-ReachabilityFireability-2024-10
FORMULA_NAME Philosophers-COL-000500-ReachabilityFireability-2024-11
FORMULA_NAME Philosophers-COL-000500-ReachabilityFireability-2024-12
FORMULA_NAME Philosophers-COL-000500-ReachabilityFireability-2024-13
FORMULA_NAME Philosophers-COL-000500-ReachabilityFireability-2024-14
FORMULA_NAME Philosophers-COL-000500-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1716876347452

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Philosophers-COL-000500
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is COL
ReachabilityFireability COL
Running Version 202405141337
[2024-05-28 06:05:49] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2024-05-28 06:05:49] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-28 06:05:49] [INFO ] Detected file is not PT type :http://www.pnml.org/version-2009/grammar/symmetricnet
log4j:WARN No appenders could be found for logger (org.apache.axiom.locator.DefaultOMMetaFactoryLocator).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
[2024-05-28 06:05:49] [WARNING] Using fallBack plugin, rng conformance not checked
[2024-05-28 06:05:50] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 927 ms
[2024-05-28 06:05:50] [INFO ] Imported 5 HL places and 5 HL transitions for a total of 2500 PT places and 2500.0 transition bindings in 24 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 46 ms.
Reduction of identical properties reduced properties to check from 16 to 12
Working with output stream class java.io.PrintStream
FORMULA Philosophers-COL-000500-ReachabilityFireability-2024-02 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Philosophers-COL-000500-ReachabilityFireability-2024-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2024-05-28 06:05:50] [INFO ] Built PT skeleton of HLPN with 5 places and 5 transitions 15 arcs in 6 ms.
[2024-05-28 06:05:50] [INFO ] Skeletonized 10 HLPN properties in 1 ms.
All 10 properties of the HLPN use transition enablings in a way that makes the skeleton too coarse.
Arc [1:1*[(MOD (ADD (MOD (MINUS $x 1) 500) 500) 500)]] contains successor/predecessor on variables of sort Philo
[2024-05-28 06:05:50] [INFO ] Unfolded HLPN to a Petri net with 2500 places and 2500 transitions 8000 arcs in 112 ms.
[2024-05-28 06:05:50] [INFO ] Unfolded 10 HLPN properties in 6 ms.
FORMULA Philosophers-COL-000500-ReachabilityFireability-2024-15 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2024-05-28 06:05:52] [INFO ] Flatten gal took : 776 ms
[2024-05-28 06:05:53] [INFO ] Flatten gal took : 359 ms
RANDOM walk for 40000 steps (8 resets) in 8772 ms. (4 steps per ms) remains 9/9 properties
[2024-05-28 06:05:53] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8264562964475177742.gal : 160 ms
[2024-05-28 06:05:53] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality5937863129394243328.prop : 140 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality8264562964475177742.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality5937863129394243328.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality5937863129394243328.prop.
BEST_FIRST walk for 27960 steps (4 resets) in 22381 ms. (1 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 17488 ms. (2 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 5718 ms. (6 steps per ms) remains 9/9 properties
BEST_FIRST walk for 39965 steps (8 resets) in 20337 ms. (1 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 15942 ms. (2 steps per ms) remains 9/9 properties
SDD proceeding with computation,9 properties remain. new max is 4
SDD size :1 after 6
BEST_FIRST walk for 27960 steps (4 resets) in 22094 ms. (1 steps per ms) remains 9/9 properties
SDD proceeding with computation,9 properties remain. new max is 8
SDD size :6 after 27
BEST_FIRST walk for 22973 steps (4 resets) in 21971 ms. (1 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 5658 ms. (7 steps per ms) remains 9/9 properties
SDD proceeding with computation,9 properties remain. new max is 16
SDD size :27 after 729
BEST_FIRST walk for 38955 steps (8 resets) in 21816 ms. (1 steps per ms) remains 9/9 properties
SDD proceeding with computation,9 properties remain. new max is 32
SDD size :729 after 708588
Interrupted probabilistic random walk after 986365 steps, run timeout after 126047 ms. (steps per millisecond=7 ) properties seen :0 out of 9
Probabilistic random walk after 986365 steps, saw 982229 distinct states, run finished after 126057 ms. (steps per millisecond=7 ) properties seen :0
// Phase 1: matrix 2500 rows 2500 cols
[2024-05-28 06:08:39] [INFO ] Computed 1000 invariants in 48 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/2500 variables, 1000/1000 constraints. Problems are: Problem set: 0 solved, 9 unsolved
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 2500/5000 variables, and 1000 constraints, problems are : Problem set: 0 solved, 9 unsolved in 5048 ms.
Refiners :[Positive P Invariants (semi-flows): 1000/1000 constraints, State Equation: 0/2500 constraints, PredecessorRefiner: 9/0 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 9 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/2500 variables, 1000/1000 constraints. Problems are: Problem set: 0 solved, 9 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2500/5000 variables, and 1000 constraints, problems are : Problem set: 0 solved, 9 unsolved in 5041 ms.
Refiners :[Positive P Invariants (semi-flows): 1000/1000 constraints, State Equation: 0/2500 constraints, PredecessorRefiner: 9/0 constraints, Known Traps: 0/0 constraints]
After SMT, in 35527ms problems are : Problem set: 0 solved, 9 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 2500 out of 2500 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2500/2500 places, 2500/2500 transitions.
Applied a total of 0 rules in 74 ms. Remains 2500 /2500 variables (removed 0) and now considering 2500/2500 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 90 ms. Remains : 2500/2500 places, 2500/2500 transitions.
RANDOM walk for 40000 steps (8 resets) in 4201 ms. (9 steps per ms) remains 9/9 properties
BEST_FIRST walk for 23972 steps (4 resets) in 21884 ms. (1 steps per ms) remains 9/9 properties
BEST_FIRST walk for 39965 steps (8 resets) in 20157 ms. (1 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 6943 ms. (5 steps per ms) remains 9/9 properties
BEST_FIRST walk for 37958 steps (8 resets) in 20815 ms. (1 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 15880 ms. (2 steps per ms) remains 9/9 properties
BEST_FIRST walk for 27960 steps (4 resets) in 21863 ms. (1 steps per ms) remains 9/9 properties
BEST_FIRST walk for 22973 steps (4 resets) in 22007 ms. (1 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 5756 ms. (6 steps per ms) remains 9/9 properties
BEST_FIRST walk for 36961 steps (8 resets) in 20972 ms. (1 steps per ms) remains 9/9 properties
Interrupted probabilistic random walk after 937841 steps, run timeout after 123091 ms. (steps per millisecond=7 ) properties seen :0 out of 9
Probabilistic random walk after 937841 steps, saw 933976 distinct states, run finished after 123092 ms. (steps per millisecond=7 ) properties seen :0
[2024-05-28 06:11:59] [INFO ] Invariant cache hit.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/2500 variables, 1000/1000 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/2500 variables, 0/1000 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 2 (OVERLAPS) 2500/5000 variables, 2500/3500 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/5000 variables, 0/3500 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 4 (OVERLAPS) 0/5000 variables, 0/3500 constraints. Problems are: Problem set: 0 solved, 9 unsolved
No progress, stopping.
After SMT solving in domain Real declared 5000/5000 variables, and 3500 constraints, problems are : Problem set: 0 solved, 9 unsolved in 13926 ms.
Refiners :[Positive P Invariants (semi-flows): 1000/1000 constraints, State Equation: 2500/2500 constraints, PredecessorRefiner: 9/0 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 9 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/2500 variables, 1000/1000 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/2500 variables, 0/1000 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 2 (OVERLAPS) 2500/5000 variables, 2500/3500 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/5000 variables, 0/3500 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 4 (OVERLAPS) 0/5000 variables, 0/3500 constraints. Problems are: Problem set: 0 solved, 9 unsolved
No progress, stopping.
After SMT solving in domain Int declared 5000/5000 variables, and 3500 constraints, problems are : Problem set: 0 solved, 9 unsolved in 18433 ms.
Refiners :[Positive P Invariants (semi-flows): 1000/1000 constraints, State Equation: 2500/2500 constraints, PredecessorRefiner: 9/0 constraints, Known Traps: 0/0 constraints]
After SMT, in 59587ms problems are : Problem set: 0 solved, 9 unsolved
Fused 9 Parikh solutions to 5 different solutions.
FORMULA Philosophers-COL-000500-ReachabilityFireability-2024-13 FALSE TECHNIQUES PARIKH_WALK
FORMULA Philosophers-COL-000500-ReachabilityFireability-2024-10 TRUE TECHNIQUES PARIKH_WALK
FORMULA Philosophers-COL-000500-ReachabilityFireability-2024-08 FALSE TECHNIQUES PARIKH_WALK
FORMULA Philosophers-COL-000500-ReachabilityFireability-2024-07 FALSE TECHNIQUES PARIKH_WALK
FORMULA Philosophers-COL-000500-ReachabilityFireability-2024-04 FALSE TECHNIQUES PARIKH_WALK
FORMULA Philosophers-COL-000500-ReachabilityFireability-2024-09 FALSE TECHNIQUES PARIKH_WALK
FORMULA Philosophers-COL-000500-ReachabilityFireability-2024-11 FALSE TECHNIQUES PARIKH_WALK
FORMULA Philosophers-COL-000500-ReachabilityFireability-2024-12 FALSE TECHNIQUES PARIKH_WALK
FORMULA Philosophers-COL-000500-ReachabilityFireability-2024-03 FALSE TECHNIQUES PARIKH_WALK
FORMULA Philosophers-COL-000500-ReachabilityFireability-2024-01 TRUE TECHNIQUES PARIKH_WALK
FORMULA Philosophers-COL-000500-ReachabilityFireability-2024-00 FALSE TECHNIQUES PARIKH_WALK
FORMULA Philosophers-COL-000500-ReachabilityFireability-2024-06 TRUE TECHNIQUES PARIKH_WALK
Finished Parikh walk after 460 steps, including 0 resets, run visited all 1 properties in 42 ms. (steps per millisecond=10 )
FORMULA Philosophers-COL-000500-ReachabilityFireability-2024-14 FALSE TECHNIQUES PARIKH_WALK
Parikh walk visited 9 properties in 16144 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
All properties solved without resorting to model-checking.
Total runtime 446485 ms.

BK_STOP 1716876795744

--------------------
content from stderr:

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ ReachabilityFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ 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//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination ReachabilityFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600

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="Philosophers-COL-000500"
export BK_EXAMINATION="ReachabilityFireability"
export BK_TOOL="itstools"
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 itstools"
echo " Input is Philosophers-COL-000500, 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 r268-smll-171654407600431"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Philosophers-COL-000500.tgz
mv Philosophers-COL-000500 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 ;