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.r162-smll-177961107900392.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-8, examination is StateSpace
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r162-smll-177961107900392
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 468K
-rw-r--r-- 1 mcc users 9.0K Mar 7 16:46 CTLCardinality.txt
-rw-r--r-- 1 mcc users 95K Mar 7 16:46 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.1K Mar 7 16:45 CTLFireability.txt
-rw-r--r-- 1 mcc users 51K Mar 7 16:45 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 4.1K Mar 15 11:13 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 11:13 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.6K Mar 15 11:13 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Mar 15 11:13 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Mar 7 16:46 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 93K Mar 7 16:46 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.1K Mar 7 16:46 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 49K Mar 7 16:46 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 15 11:13 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 11:13 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 44K Mar 3 18:30 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

no data necessary for post analysis


=== Now, execution of the tool begins

BK_START 1779872691783

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=StateSpace
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=LamportFastMutEx-COL-8
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is COL
StateSpace COL
Running Version 202604301425
[2026-05-27 09:04:54] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, StateSpace, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-27 09:04:54] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-27 09:04:54] [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.
[2026-05-27 09:04:55] [WARNING] Using fallBack plugin, rng conformance not checked
[2026-05-27 09:04:55] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 1387 ms
[2026-05-27 09:04:56] [INFO ] Imported 18 HL places and 17 HL transitions for a total of 315 PT places and 837.0 transition bindings in 42 ms.
[2026-05-27 09:04:56] [INFO ] Unfolded HLPN to a Petri net with 315 places and 666 transitions 2934 arcs in 81 ms.
[2026-05-27 09:04:56] [INFO ] Unfolded 0 HLPN properties in 0 ms.
Deduced a syphon composed of 49 places in 6 ms
Reduce places removed 49 places and 82 transitions.
Starting structural reductions in STATESPACE mode, iteration 0 : 266/266 places, 584/584 transitions.
[2026-05-27 09:04:56] [INFO ] Redundant transitions in 55 ms returned []
Running 576 sub problems to find dead transitions.
[2026-05-27 09:04:56] [INFO ] Flow matrix only has 416 transitions (discarded 168 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4255318077413366739.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2885390773611001799.kers'
[2026-05-27 09:04:56] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4255318077413366739.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2885390773611001799.kers]
Culling duplicate invariants (modulo rational): removing 8 columns.
Culled 8 columns in 0 ms.
// Phase 1: matrix 416 rows 258 cols 1376 entries
Finished phase 1 with 184 SingleSign rule and 0 generalized
[2026-05-27 09:04:56] [INFO ] Computed 82 invariants in 2 ms
Computed 82 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-2885390773611001799.kers
Total runtime 5 ms.
[2026-05-27 09:04:56] [INFO ] State equation strengthened by 112 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/266 variables, 82/82 constraints. Problems are: Problem set: 0 solved, 576 unsolved
Problem TDEAD8 is UNSAT
Problem TDEAD9 is UNSAT
Problem TDEAD10 is UNSAT
Problem TDEAD11 is UNSAT
Problem TDEAD12 is UNSAT
Problem TDEAD13 is UNSAT
Problem TDEAD14 is UNSAT
Problem TDEAD15 is UNSAT
Problem TDEAD88 is UNSAT
Problem TDEAD97 is UNSAT
Problem TDEAD106 is UNSAT
Problem TDEAD8 is UNSAT
Problem TDEAD9 is UNSAT
Problem TDEAD10 is UNSAT
Problem TDEAD11 is UNSAT
Problem TDEAD12 is UNSAT
Problem TDEAD13 is UNSAT
Problem TDEAD14 is UNSAT
Problem TDEAD15 is UNSAT
Problem TDEAD88 is UNSAT
Problem TDEAD97 is UNSAT
Problem TDEAD106 is UNSAT
Problem TDEAD115 is UNSAT
Problem TDEAD142 is UNSAT
Problem TDEAD151 is UNSAT
Problem TDEAD192 is UNSAT
Problem TDEAD201 is UNSAT
Problem TDEAD210 is UNSAT
Problem TDEAD219 is UNSAT
Problem TDEAD246 is UNSAT
Problem TDEAD255 is UNSAT
Problem TDEAD257 is UNSAT
Problem TDEAD260 is UNSAT
At refinement iteration 1 (INCLUDED_ONLY) 0/266 variables, 20/102 constraints. Problems are: Problem set: 22 solved, 554 unsolved
Problem TDEAD124 is UNSAT
Problem TDEAD133 is UNSAT
Problem TDEAD152 is UNSAT
Problem TDEAD153 is UNSAT
Problem TDEAD154 is UNSAT
Problem TDEAD155 is UNSAT
Problem TDEAD156 is UNSAT
Problem TDEAD157 is UNSAT
Problem TDEAD158 is UNSAT
Problem TDEAD159 is UNSAT
Problem TDEAD124 is UNSAT
Problem TDEAD133 is UNSAT
Problem TDEAD152 is UNSAT
Problem TDEAD153 is UNSAT
Problem TDEAD154 is UNSAT
Problem TDEAD155 is UNSAT
Problem TDEAD156 is UNSAT
Problem TDEAD157 is UNSAT
Problem TDEAD158 is UNSAT
Problem TDEAD159 is UNSAT
Problem TDEAD228 is UNSAT
Problem TDEAD237 is UNSAT
Problem TDEAD258 is UNSAT
Problem TDEAD259 is UNSAT
Problem TDEAD261 is UNSAT
Problem TDEAD262 is UNSAT
Problem TDEAD263 is UNSAT
Problem TDEAD320 is UNSAT
Problem TDEAD321 is UNSAT
Problem TDEAD322 is UNSAT
Problem TDEAD323 is UNSAT
Problem TDEAD324 is UNSAT
Problem TDEAD325 is UNSAT
Problem TDEAD326 is UNSAT
Problem TDEAD327 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/266 variables, 20/122 constraints. Problems are: Problem set: 47 solved, 529 unsolved
Problem TDEAD256 is UNSAT
Problem TDEAD256 is UNSAT
At refinement iteration 3 (INCLUDED_ONLY) 0/266 variables, 20/142 constraints. Problems are: Problem set: 48 solved, 528 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 266/682 variables, and 142 constraints, problems are : Problem set: 48 solved, 528 unsolved in 30069 ms.
Refiners :[Positive P Invariants (semi-flows): 82/82 constraints, State Equation: 0/266 constraints, ReadFeed: 0/112 constraints, PredecessorRefiner: 576/576 constraints, Known Traps: 60/60 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 48 solved, 528 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/258 variables, 10/10 constraints. Problems are: Problem set: 48 solved, 528 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/258 variables, 31/41 constraints. Problems are: Problem set: 48 solved, 528 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/258 variables, 0/41 constraints. Problems are: Problem set: 48 solved, 528 unsolved
At refinement iteration 3 (OVERLAPS) 8/266 variables, 72/113 constraints. Problems are: Problem set: 48 solved, 528 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/266 variables, 29/142 constraints. Problems are: Problem set: 48 solved, 528 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/266 variables, 20/162 constraints. Problems are: Problem set: 48 solved, 528 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/266 variables, 20/182 constraints. Problems are: Problem set: 48 solved, 528 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 266/682 variables, and 182 constraints, problems are : Problem set: 48 solved, 528 unsolved in 30035 ms.
Refiners :[Positive P Invariants (semi-flows): 82/82 constraints, State Equation: 0/266 constraints, ReadFeed: 0/112 constraints, PredecessorRefiner: 0/576 constraints, Known Traps: 100/100 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60851ms problems are : Problem set: 48 solved, 528 unsolved
Search for dead transitions found 48 dead transitions in 60907ms
Found 48 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 48 transitions
Dead transitions reduction (with SMT) removed 48 transitions
Starting structural reductions in STATESPACE mode, iteration 1 : 266/266 places, 536/584 transitions.
[2026-05-27 09:05:57] [INFO ] Redundant transitions in 11 ms returned []
Finished structural reductions in STATESPACE mode , in 2 iterations and 61456 ms. Remains : 266/266 places, 536/584 transitions.
Final net has 266 places and 536 transitions.
[2026-05-27 09:05:57] [INFO ] Flatten gal took : 177 ms
[2026-05-27 09:05:58] [INFO ] Applying decomposition
[2026-05-27 09:05:58] [INFO ] Flatten gal took : 92 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph6624852450363193488.txt' '-o' '/tmp/graph6624852450363193488.bin' '-w' '/tmp/graph6624852450363193488.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph6624852450363193488.bin' '-l' '-1' '-v' '-w' '/tmp/graph6624852450363193488.weights' '-q' '0' '-e' '0.001'
[2026-05-27 09:05:58] [INFO ] Decomposing Gal with order
[2026-05-27 09:05:58] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-27 09:05:58] [INFO ] Removed a total of 865 redundant transitions.
[2026-05-27 09:05:58] [INFO ] Flatten gal took : 220 ms
[2026-05-27 09:05:58] [INFO ] Fuse similar labels procedure discarded/fused a total of 34 labels/synchronizations in 41 ms.
[2026-05-27 09:05:59] [INFO ] Time to serialize gal into /tmp/StateSpace8659511943724695245.gal : 30 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/StateSpace8659511943724695245.gal' '-t' 'CGAL' '--stats'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...219
Detected timeout of ITS tools.
[2026-05-27 09:26:25] [INFO ] Applying decomposition
[2026-05-27 09:26:26] [INFO ] Flatten gal took : 723 ms
[2026-05-27 09:26:26] [INFO ] Decomposing Gal with order
[2026-05-27 09:26:28] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-27 09:26:29] [INFO ] Removed a total of 892 redundant transitions.
[2026-05-27 09:26:29] [INFO ] Flatten gal took : 364 ms
[2026-05-27 09:26:29] [INFO ] Fuse similar labels procedure discarded/fused a total of 32 labels/synchronizations in 134 ms.
[2026-05-27 09:26:29] [INFO ] Time to serialize gal into /tmp/StateSpace17464330327216421570.gal : 83 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/StateSpace17464330327216421570.gal' '-t' 'CGAL' '--stats'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...220
Detected timeout of ITS tools.
[2026-05-27 09:46:55] [INFO ] Flatten gal took : 1619 ms
[2026-05-27 09:46:56] [INFO ] Input system was already deterministic with 536 transitions.
[2026-05-27 09:46:57] [INFO ] Transformed 266 places.
[2026-05-27 09:46:57] [INFO ] Transformed 536 transitions.
Running greatSPN : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//../itstools/bin//..//greatspn//bin/pinvar' '/home/mcc/execution/gspn'
Run of greatSPN captured in /home/mcc/execution/outPut.txt
Running greatSPN : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//../itstools/bin//..//greatspn//bin/RGMEDD2' '/home/mcc/execution/gspn' '-META' '-varord-only'
Run of greatSPN captured in /home/mcc/execution/outPut.txt
Using order generated by GreatSPN with heuristic : META
[2026-05-27 09:46:57] [INFO ] Time to serialize gal into /tmp/StateSpace1564954557497504979.gal : 11 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/StateSpace1564954557497504979.gal' '-t' 'CGAL' '--stats' '--load-order' '/home/mcc/execution/model.ord' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...285
Successfully loaded order from file /home/mcc/execution/model.ord

BK_TIME_CONFINEMENT_REACHED

--------------------
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
+ [[ StateSpace = StateSpace ]]
+ [[ -f modelMain.xml ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution StateSpace -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
++ 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 StateSpace -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="LamportFastMutEx-COL-8"
export BK_EXAMINATION="StateSpace"
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 2-5973"
echo " Executing tool itstools"
echo " Input is LamportFastMutEx-COL-8, examination is StateSpace"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r162-smll-177961107900392"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/LamportFastMutEx-COL-8.tgz
mv LamportFastMutEx-COL-8 execution
cd execution
if [ "StateSpace" = "ReachabilityDeadlock" ] || [ "StateSpace" = "UpperBounds" ] || [ "StateSpace" = "QuasiLiveness" ] || [ "StateSpace" = "StableMarking" ] || [ "StateSpace" = "Liveness" ] || [ "StateSpace" = "OneSafe" ] || [ "StateSpace" = "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 [ "StateSpace" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "StateSpace" != "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 "StateSpace.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 '' StateSpace.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "StateSpace" = "ReachabilityDeadlock" ] || [ "StateSpace" = "QuasiLiveness" ] || [ "StateSpace" = "StableMarking" ] || [ "StateSpace" = "Liveness" ] || [ "StateSpace" = "OneSafe" ] ; then
echo "FORMULA_NAME StateSpace"
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 ;