Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2026-input.r168-smll-177961110200221.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-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 2-5973
Executing tool itstools
Input is LamportFastMutEx-COL-4, examination is ReachabilityDeadlock
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r168-smll-177961110200221
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 544K
-rw-r--r-- 1 mcc users 7.4K Mar 7 16:44 CTLCardinality.txt
-rw-r--r-- 1 mcc users 70K Mar 7 16:44 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.5K Mar 7 16:44 CTLFireability.txt
-rw-r--r-- 1 mcc users 56K Mar 7 16:44 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.9K Mar 15 11:11 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 11:11 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.6K Mar 15 11:11 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 11:11 LTLFireability.xml
-rw-r--r-- 1 mcc users 18K Mar 7 16:44 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 178K Mar 7 16:44 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.8K Mar 7 16:44 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 64K Mar 7 16:44 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 15 11:11 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 11:11 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 equiv_pt
-rw-r--r-- 1 mcc users 2 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 40K Mar 3 18:30 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 1779720443029

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityDeadlock
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=LamportFastMutEx-COL-4
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is COL
ReachabilityDeadlock COL
Running Version 202604301425
[2026-05-25 14:47:25] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityDeadlock, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2026-05-25 14:47:25] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 14:47:25] [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.
[2026-05-25 14:47:26] [WARNING] Using fallBack plugin, rng conformance not checked
[2026-05-25 14:47:27] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 1362 ms
[2026-05-25 14:47:27] [INFO ] Imported 18 HL places and 17 HL transitions for a total of 135 PT places and 285.0 transition bindings in 39 ms.
Parsed 1 properties from file /home/mcc/execution/ReachabilityDeadlock.xml in 6 ms.
Working with output stream class java.io.PrintStream
[2026-05-25 14:47:27] [INFO ] Built PT skeleton of HLPN with 18 places and 17 transitions 68 arcs in 10 ms.
[2026-05-25 14:47:27] [INFO ] Skeletonized 1 HLPN properties in 0 ms.
Reduce places removed 3 places and 0 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Prefix of Interest using HLPN skeleton for deadlock discarded 0 places and 0 transitions.
Domain [pid(5), pid(5)] 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.
[2026-05-25 14:47:27] [INFO ] Unfolded HLPN to a Petri net with 135 places and 230 transitions 990 arcs in 69 ms.
[2026-05-25 14:47:27] [INFO ] Unfolded 1 HLPN properties in 0 ms.
Deduced a syphon composed of 33 places in 2 ms
Reduce places removed 33 places and 50 transitions.
Built sparse matrix representations for Structural reductions in 1 ms.15551KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 102/102 places, 180/180 transitions.
Computed a total of 1 stabilizing places and 4 stable transitions
Computed a total of 1 stabilizing places and 4 stable transitions
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 2 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 0 with 8 rules applied. Total rules applied 8 place count 98 transition count 176
Computed a total of 1 stabilizing places and 4 stable transitions
Computed a total of 1 stabilizing places and 4 stable transitions
Applied a total of 8 rules in 82 ms. Remains 98 /102 variables (removed 4) and now considering 176/180 (removed 4) transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 99 ms. Remains : 98/102 places, 176/180 transitions.
Random walk for 1250000 steps, including 0 resets, run took 2899 ms (no deadlock found). (steps per millisecond=431 )
Random directed walk for 1250003 steps, including 0 resets, run took 1584 ms (no deadlock found). (steps per millisecond=789 )
[2026-05-25 14:47:32] [INFO ] Flow matrix only has 140 transitions (discarded 36 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-18355285018053681713.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-351656705128292591.kers'
[2026-05-25 14:47:32] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-18355285018053681713.kers, --Pflows, --basisKERS=/tmp/petrispot-output-351656705128292591.kers]
Culling duplicate invariants (modulo rational): removing 4 columns.
Culled 4 columns in 0 ms.
// Phase 1: matrix 140 rows 94 cols 440 entries
Finished phase 1 with 72 SingleSign rule and 0 generalized
[2026-05-25 14:47:32] [INFO ] Computed 26 invariants in 0 ms
Computed 26 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-351656705128292591.kers
Total runtime 2 ms.
[2026-05-25 14:47:32] [INFO ] [Real]Absence check using 26 positive place invariants in 27 ms returned sat
[2026-05-25 14:47:32] [INFO ] [Real]Absence check using state equation in 238 ms returned sat
[2026-05-25 14:47:32] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 14:47:32] [INFO ] [Nat]Absence check using 26 positive place invariants in 24 ms returned sat
[2026-05-25 14:47:33] [INFO ] [Nat]Absence check using state equation in 134 ms returned sat
[2026-05-25 14:47:33] [INFO ] State equation strengthened by 40 read => feed constraints.
[2026-05-25 14:47:33] [INFO ] [Nat]Added 40 Read/Feed constraints in 27 ms returned sat
[2026-05-25 14:47:33] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 9 trap constraints in 755 ms
FORMULA ReachabilityDeadlock FALSE TECHNIQUES TOPOLOGICAL SAT_SMT STRUCTURAL_REDUCTION
Total runtime 8338 ms.

BK_STOP 1779720453921

--------------------
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
+ [[ ReachabilityDeadlock = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityDeadlock -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202604301425.jar
+ VERSION=202604301425
+ echo 'Running Version 202604301425'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination ReachabilityDeadlock -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800

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-4"
export BK_EXAMINATION="ReachabilityDeadlock"
export BK_TOOL="itstools"
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 2-5973"
echo " Executing tool itstools"
echo " Input is LamportFastMutEx-COL-4, 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 r168-smll-177961110200221"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/LamportFastMutEx-COL-4.tgz
mv LamportFastMutEx-COL-4 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 ;