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.r504-tall-171649612300215.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 ltsminxred
Input is LamportFastMutEx-COL-3, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r504-tall-171649612300215
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 520K
-rw-r--r-- 1 mcc users 8.6K Apr 13 07:42 CTLCardinality.txt
-rw-r--r-- 1 mcc users 88K Apr 13 07:42 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.4K Apr 13 07:39 CTLFireability.txt
-rw-r--r-- 1 mcc users 52K Apr 13 07:39 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:42 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.6K May 18 16:42 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.0K Apr 22 14:51 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Apr 22 14:51 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.6K Apr 22 14:51 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Apr 22 14:51 LTLFireability.xml
-rw-r--r-- 1 mcc users 10K Apr 13 07:48 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 95K Apr 13 07:48 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 13K Apr 13 07:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 103K Apr 13 07:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Apr 22 14:51 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Apr 22 14:51 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 18 16:42 equiv_pt
-rw-r--r-- 1 mcc users 2 May 18 16:42 instance
-rw-r--r-- 1 mcc users 5 May 18 16:42 iscolored
-rw-r--r-- 1 mcc users 39K May 18 16:42 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 LamportFastMutEx-COL-3-ReachabilityFireability-2024-00
FORMULA_NAME LamportFastMutEx-COL-3-ReachabilityFireability-2024-01
FORMULA_NAME LamportFastMutEx-COL-3-ReachabilityFireability-2024-02
FORMULA_NAME LamportFastMutEx-COL-3-ReachabilityFireability-2024-03
FORMULA_NAME LamportFastMutEx-COL-3-ReachabilityFireability-2024-04
FORMULA_NAME LamportFastMutEx-COL-3-ReachabilityFireability-2024-05
FORMULA_NAME LamportFastMutEx-COL-3-ReachabilityFireability-2024-06
FORMULA_NAME LamportFastMutEx-COL-3-ReachabilityFireability-2024-07
FORMULA_NAME LamportFastMutEx-COL-3-ReachabilityFireability-2024-08
FORMULA_NAME LamportFastMutEx-COL-3-ReachabilityFireability-2024-09
FORMULA_NAME LamportFastMutEx-COL-3-ReachabilityFireability-2024-10
FORMULA_NAME LamportFastMutEx-COL-3-ReachabilityFireability-2024-11
FORMULA_NAME LamportFastMutEx-COL-3-ReachabilityFireability-2024-12
FORMULA_NAME LamportFastMutEx-COL-3-ReachabilityFireability-2024-13
FORMULA_NAME LamportFastMutEx-COL-3-ReachabilityFireability-2024-14
FORMULA_NAME LamportFastMutEx-COL-3-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1717224881143

Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=LamportFastMutEx-COL-3
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202405141337
[2024-06-01 06:54:42] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -timeout, 360, -rebuildPNML]
[2024-06-01 06:54:42] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-06-01 06:54:42] [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.
[2024-06-01 06:54:42] [WARNING] Using fallBack plugin, rng conformance not checked
[2024-06-01 06:54:43] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 611 ms
[2024-06-01 06:54:43] [INFO ] Imported 18 HL places and 17 HL transitions for a total of 100 PT places and 192.0 transition bindings in 18 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 27 ms.
Reduction of identical properties reduced properties to check from 16 to 15
Working with output stream class java.io.PrintStream
FORMULA LamportFastMutEx-COL-3-ReachabilityFireability-2024-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LamportFastMutEx-COL-3-ReachabilityFireability-2024-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2024-06-01 06:54:43] [INFO ] Built PT skeleton of HLPN with 18 places and 17 transitions 68 arcs in 5 ms.
[2024-06-01 06:54:43] [INFO ] Skeletonized 14 HLPN properties in 1 ms.
Remains 1 properties that can be checked using skeleton over-approximation.
Initial state reduction rules removed 1 formulas.
FORMULA LamportFastMutEx-COL-3-ReachabilityFireability-2024-10 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Reduce places removed 3 places and 0 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Skeleton over-approximation was not fine enough to positively prove more properties of the HLPN.
Domain [pid(4), pid(4)] of place P_wait breaks symmetries in sort pid
Symmetric sort wr.t. initial and guards and successors and join/free detected :P_bool
Arc [3:1*[$i, 1]] contains constants of sort P_bool
Transition T_setbi_2 : constants on arcs in [[3:1*[$i, 1]]] introduces in P_bool(2) partition with 1 elements that refines current partition to 2 subsets.
[2024-06-01 06:54:43] [INFO ] Unfolded HLPN to a Petri net with 100 places and 156 transitions 664 arcs in 27 ms.
[2024-06-01 06:54:43] [INFO ] Unfolded 13 HLPN properties in 0 ms.
Initial state reduction rules removed 4 formulas.
Deduced a syphon composed of 29 places in 1 ms
Reduce places removed 29 places and 42 transitions.
FORMULA LamportFastMutEx-COL-3-ReachabilityFireability-2024-07 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LamportFastMutEx-COL-3-ReachabilityFireability-2024-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LamportFastMutEx-COL-3-ReachabilityFireability-2024-13 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LamportFastMutEx-COL-3-ReachabilityFireability-2024-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 40000 steps (8 resets) in 1904 ms. (20 steps per ms) remains 4/9 properties
FORMULA LamportFastMutEx-COL-3-ReachabilityFireability-2024-15 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA LamportFastMutEx-COL-3-ReachabilityFireability-2024-12 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA LamportFastMutEx-COL-3-ReachabilityFireability-2024-11 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA LamportFastMutEx-COL-3-ReachabilityFireability-2024-06 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA LamportFastMutEx-COL-3-ReachabilityFireability-2024-00 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 802 ms. (49 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1018 ms. (39 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (8 resets) in 380 ms. (104 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40002 steps (8 resets) in 314 ms. (126 steps per ms) remains 4/4 properties
[2024-06-01 06:54:44] [INFO ] Flow matrix only has 96 transitions (discarded 18 similar events)
// Phase 1: matrix 96 rows 71 cols
[2024-06-01 06:54:44] [INFO ] Computed 17 invariants in 14 ms
[2024-06-01 06:54:44] [INFO ] State equation strengthened by 27 read => feed constraints.
Problem LamportFastMutEx-COL-3-ReachabilityFireability-2024-02 is UNSAT
FORMULA LamportFastMutEx-COL-3-ReachabilityFireability-2024-02 TRUE TECHNIQUES SMT_REFINEMENT
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/71 variables, 17/17 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/71 variables, 0/17 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 2 (OVERLAPS) 96/167 variables, 71/88 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/167 variables, 27/115 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/167 variables, 0/115 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 0/167 variables, 0/115 constraints. Problems are: Problem set: 1 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 167/167 variables, and 115 constraints, problems are : Problem set: 1 solved, 3 unsolved in 336 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, State Equation: 71/71 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/68 variables, 5/5 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/68 variables, 0/5 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 2 (OVERLAPS) 3/71 variables, 12/17 constraints. Problems are: Problem set: 1 solved, 3 unsolved
[2024-06-01 06:54:45] [INFO ] Deduced a trap composed of 9 places in 57 ms of which 10 ms to minimize.
[2024-06-01 06:54:45] [INFO ] Deduced a trap composed of 14 places in 43 ms of which 2 ms to minimize.
[2024-06-01 06:54:45] [INFO ] Deduced a trap composed of 19 places in 38 ms of which 1 ms to minimize.
[2024-06-01 06:54:45] [INFO ] Deduced a trap composed of 8 places in 31 ms of which 1 ms to minimize.
[2024-06-01 06:54:45] [INFO ] Deduced a trap composed of 9 places in 26 ms of which 1 ms to minimize.
[2024-06-01 06:54:45] [INFO ] Deduced a trap composed of 18 places in 42 ms of which 1 ms to minimize.
[2024-06-01 06:54:45] [INFO ] Deduced a trap composed of 17 places in 39 ms of which 1 ms to minimize.
[2024-06-01 06:54:45] [INFO ] Deduced a trap composed of 16 places in 39 ms of which 1 ms to minimize.
[2024-06-01 06:54:45] [INFO ] Deduced a trap composed of 24 places in 36 ms of which 1 ms to minimize.
[2024-06-01 06:54:45] [INFO ] Deduced a trap composed of 18 places in 36 ms of which 1 ms to minimize.
[2024-06-01 06:54:45] [INFO ] Deduced a trap composed of 21 places in 35 ms of which 1 ms to minimize.
[2024-06-01 06:54:45] [INFO ] Deduced a trap composed of 17 places in 34 ms of which 1 ms to minimize.
Problem LamportFastMutEx-COL-3-ReachabilityFireability-2024-09 is UNSAT
FORMULA LamportFastMutEx-COL-3-ReachabilityFireability-2024-09 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 3 (INCLUDED_ONLY) 0/71 variables, 12/29 constraints. Problems are: Problem set: 2 solved, 2 unsolved
[2024-06-01 06:54:45] [INFO ] Deduced a trap composed of 9 places in 36 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/71 variables, 1/30 constraints. Problems are: Problem set: 2 solved, 2 unsolved
[2024-06-01 06:54:45] [INFO ] Deduced a trap composed of 12 places in 40 ms of which 1 ms to minimize.
[2024-06-01 06:54:45] [INFO ] Deduced a trap composed of 10 places in 44 ms of which 1 ms to minimize.
[2024-06-01 06:54:46] [INFO ] Deduced a trap composed of 15 places in 34 ms of which 1 ms to minimize.
[2024-06-01 06:54:46] [INFO ] Deduced a trap composed of 20 places in 32 ms of which 1 ms to minimize.
[2024-06-01 06:54:46] [INFO ] Deduced a trap composed of 9 places in 30 ms of which 0 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/71 variables, 5/35 constraints. Problems are: Problem set: 2 solved, 2 unsolved
[2024-06-01 06:54:46] [INFO ] Deduced a trap composed of 15 places in 40 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/71 variables, 1/36 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/71 variables, 0/36 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 96/167 variables, 71/107 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/167 variables, 27/134 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/167 variables, 2/136 constraints. Problems are: Problem set: 2 solved, 2 unsolved
[2024-06-01 06:54:46] [INFO ] Deduced a trap composed of 15 places in 44 ms of which 0 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/167 variables, 1/137 constraints. Problems are: Problem set: 2 solved, 2 unsolved
[2024-06-01 06:54:46] [INFO ] Deduced a trap composed of 9 places in 46 ms of which 1 ms to minimize.
[2024-06-01 06:54:46] [INFO ] Deduced a trap composed of 21 places in 38 ms of which 1 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/167 variables, 2/139 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/167 variables, 0/139 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 14 (OVERLAPS) 0/167 variables, 0/139 constraints. Problems are: Problem set: 2 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 167/167 variables, and 139 constraints, problems are : Problem set: 2 solved, 2 unsolved in 1612 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, State Equation: 71/71 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 2/4 constraints, Known Traps: 22/22 constraints]
After SMT, in 2196ms problems are : Problem set: 2 solved, 2 unsolved
Parikh walk visited 0 properties in 309 ms.
Support contains 68 out of 71 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 71/71 places, 114/114 transitions.
Applied a total of 0 rules in 9 ms. Remains 71 /71 variables (removed 0) and now considering 114/114 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 18 ms. Remains : 71/71 places, 114/114 transitions.
RANDOM walk for 40000 steps (8 resets) in 306 ms. (130 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (8 resets) in 349 ms. (114 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (8 resets) in 328 ms. (121 steps per ms) remains 2/2 properties
Probably explored full state space saw : 19742 states, properties seen :1
Probabilistic random walk after 78014 steps, saw 19742 distinct states, run finished after 202 ms. (steps per millisecond=386 ) properties seen :1
FORMULA LamportFastMutEx-COL-3-ReachabilityFireability-2024-03 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
Explored full state space saw : 19742 states, properties seen :0
Exhaustive walk after 78014 steps, saw 19742 distinct states, run finished after 108 ms. (steps per millisecond=722 ) properties seen :0
FORMULA LamportFastMutEx-COL-3-ReachabilityFireability-2024-04 TRUE TECHNIQUES TOPOLOGICAL EXHAUSTIVE_WALK
All properties solved without resorting to model-checking.
Total runtime 5435 ms.
ITS solved all properties within timeout

BK_STOP 1717224887887

--------------------
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:
++ perl -pe 's/.*\.//g'
++ sed s/.jar//
++ 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 ReachabilityFireability -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="LamportFastMutEx-COL-3"
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 2-5568"
echo " Executing tool ltsminxred"
echo " Input is LamportFastMutEx-COL-3, 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 r504-tall-171649612300215"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/LamportFastMutEx-COL-3.tgz
mv LamportFastMutEx-COL-3 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 ;