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-177961107900376.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)
.....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is LamportFastMutEx-COL-6, examination is StateSpace
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r162-smll-177961107900376
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 480K
-rw-r--r-- 1 mcc users 7.3K Mar 7 16:45 CTLCardinality.txt
-rw-r--r-- 1 mcc users 72K Mar 7 16:45 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 3.9K Mar 15 11:12 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Mar 15 11:12 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.7K Mar 15 11:12 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 11:12 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.9K Mar 7 16:45 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 78K Mar 7 16:45 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 13K Mar 7 16:45 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 101K Mar 7 16:45 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 15 11:12 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 11:12 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 42K 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 1779854395233

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-6
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is COL
StateSpace COL
Running Version 202604301425
[2026-05-27 03:59:57] [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 03:59:57] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-27 03:59:57] [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 03:59:58] [WARNING] Using fallBack plugin, rng conformance not checked
[2026-05-27 03:59:58] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 960 ms
[2026-05-27 03:59:58] [INFO ] Imported 18 HL places and 17 HL transitions for a total of 217 PT places and 525.0 transition bindings in 29 ms.
[2026-05-27 03:59:59] [INFO ] Unfolded HLPN to a Petri net with 217 places and 420 transitions 1834 arcs in 50 ms.
[2026-05-27 03:59:59] [INFO ] Unfolded 0 HLPN properties in 0 ms.
Deduced a syphon composed of 41 places in 2 ms
Reduce places removed 41 places and 66 transitions.
Starting structural reductions in STATESPACE mode, iteration 0 : 176/176 places, 354/354 transitions.
[2026-05-27 03:59:59] [INFO ] Redundant transitions in 28 ms returned []
Running 348 sub problems to find dead transitions.
[2026-05-27 03:59:59] [INFO ] Flow matrix only has 264 transitions (discarded 90 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3069267933236135199.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-18363031322895427389.kers'
[2026-05-27 03:59:59] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3069267933236135199.kers, --Pflows, --basisKERS=/tmp/petrispot-output-18363031322895427389.kers]
Culling duplicate invariants (modulo rational): removing 6 columns.
Culled 6 columns in 0 ms.
// Phase 1: matrix 264 rows 170 cols 840 entries
Finished phase 1 with 126 SingleSign rule and 0 generalized
[2026-05-27 03:59:59] [INFO ] Computed 50 invariants in 2 ms
Computed 50 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-18363031322895427389.kers
Total runtime 4 ms.
[2026-05-27 03:59:59] [INFO ] State equation strengthened by 72 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/176 variables, 50/50 constraints. Problems are: Problem set: 0 solved, 348 unsolved
Problem TDEAD6 is UNSAT
Problem TDEAD7 is UNSAT
Problem TDEAD8 is UNSAT
Problem TDEAD9 is UNSAT
Problem TDEAD10 is UNSAT
Problem TDEAD11 is UNSAT
Problem TDEAD54 is UNSAT
Problem TDEAD6 is UNSAT
Problem TDEAD7 is UNSAT
Problem TDEAD8 is UNSAT
Problem TDEAD9 is UNSAT
Problem TDEAD10 is UNSAT
Problem TDEAD11 is UNSAT
Problem TDEAD54 is UNSAT
Problem TDEAD61 is UNSAT
Problem TDEAD68 is UNSAT
Problem TDEAD75 is UNSAT
Problem TDEAD82 is UNSAT
Problem TDEAD89 is UNSAT
Problem TDEAD115 is UNSAT
Problem TDEAD123 is UNSAT
Problem TDEAD131 is UNSAT
Problem TDEAD139 is UNSAT
Problem TDEAD147 is UNSAT
Problem TDEAD155 is UNSAT
At refinement iteration 1 (INCLUDED_ONLY) 0/176 variables, 20/70 constraints. Problems are: Problem set: 18 solved, 330 unsolved
Problem TDEAD90 is UNSAT
Problem TDEAD91 is UNSAT
Problem TDEAD92 is UNSAT
Problem TDEAD93 is UNSAT
Problem TDEAD94 is UNSAT
Problem TDEAD95 is UNSAT
Problem TDEAD156 is UNSAT
Problem TDEAD157 is UNSAT
Problem TDEAD158 is UNSAT
Problem TDEAD159 is UNSAT
Problem TDEAD160 is UNSAT
Problem TDEAD161 is UNSAT
Problem TDEAD192 is UNSAT
Problem TDEAD193 is UNSAT
Problem TDEAD194 is UNSAT
Problem TDEAD195 is UNSAT
Problem TDEAD196 is UNSAT
Problem TDEAD197 is UNSAT
Problem TDEAD90 is UNSAT
Problem TDEAD91 is UNSAT
Problem TDEAD92 is UNSAT
Problem TDEAD93 is UNSAT
Problem TDEAD94 is UNSAT
Problem TDEAD95 is UNSAT
Problem TDEAD156 is UNSAT
Problem TDEAD157 is UNSAT
Problem TDEAD158 is UNSAT
Problem TDEAD159 is UNSAT
Problem TDEAD160 is UNSAT
Problem TDEAD161 is UNSAT
Problem TDEAD192 is UNSAT
Problem TDEAD193 is UNSAT
Problem TDEAD194 is UNSAT
Problem TDEAD195 is UNSAT
Problem TDEAD196 is UNSAT
Problem TDEAD197 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/176 variables, 20/90 constraints. Problems are: Problem set: 36 solved, 312 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/176 variables, 20/110 constraints. Problems are: Problem set: 36 solved, 312 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/176 variables, 20/130 constraints. Problems are: Problem set: 36 solved, 312 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/176 variables, 3/133 constraints. Problems are: Problem set: 36 solved, 312 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/176 variables, 2/135 constraints. Problems are: Problem set: 36 solved, 312 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 176/440 variables, and 136 constraints, problems are : Problem set: 36 solved, 312 unsolved in 30044 ms.
Refiners :[Positive P Invariants (semi-flows): 50/50 constraints, State Equation: 0/176 constraints, ReadFeed: 0/72 constraints, PredecessorRefiner: 348/348 constraints, Known Traps: 86/86 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 36 solved, 312 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/170 variables, 8/8 constraints. Problems are: Problem set: 36 solved, 312 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/170 variables, 59/67 constraints. Problems are: Problem set: 36 solved, 312 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/170 variables, 0/67 constraints. Problems are: Problem set: 36 solved, 312 unsolved
At refinement iteration 3 (OVERLAPS) 6/176 variables, 42/109 constraints. Problems are: Problem set: 36 solved, 312 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/176 variables, 27/136 constraints. Problems are: Problem set: 36 solved, 312 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/176 variables, 3/139 constraints. Problems are: Problem set: 36 solved, 312 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/176 variables, 2/141 constraints. Problems are: Problem set: 36 solved, 312 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/176 variables, 0/141 constraints. Problems are: Problem set: 36 solved, 312 unsolved
At refinement iteration 8 (OVERLAPS) 264/440 variables, 176/317 constraints. Problems are: Problem set: 36 solved, 312 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/440 variables, 72/389 constraints. Problems are: Problem set: 36 solved, 312 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/440 variables, 312/701 constraints. Problems are: Problem set: 36 solved, 312 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/440 variables, 8/709 constraints. Problems are: Problem set: 36 solved, 312 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 440/440 variables, and 709 constraints, problems are : Problem set: 36 solved, 312 unsolved in 30024 ms.
Refiners :[Positive P Invariants (semi-flows): 50/50 constraints, State Equation: 176/176 constraints, ReadFeed: 72/72 constraints, PredecessorRefiner: 312/348 constraints, Known Traps: 99/99 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60592ms problems are : Problem set: 36 solved, 312 unsolved
Search for dead transitions found 36 dead transitions in 60640ms
Found 36 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 36 transitions
Dead transitions reduction (with SMT) removed 36 transitions
Starting structural reductions in STATESPACE mode, iteration 1 : 176/176 places, 318/354 transitions.
[2026-05-27 04:01:00] [INFO ] Redundant transitions in 10 ms returned []
Finished structural reductions in STATESPACE mode , in 2 iterations and 60935 ms. Remains : 176/176 places, 318/354 transitions.
Final net has 176 places and 318 transitions.
[2026-05-27 04:01:00] [INFO ] Flatten gal took : 130 ms
[2026-05-27 04:01:00] [INFO ] Applying decomposition
[2026-05-27 04:01:00] [INFO ] Flatten gal took : 67 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/graph15565883923269759546.txt' '-o' '/tmp/graph15565883923269759546.bin' '-w' '/tmp/graph15565883923269759546.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph15565883923269759546.bin' '-l' '-1' '-v' '-w' '/tmp/graph15565883923269759546.weights' '-q' '0' '-e' '0.001'
[2026-05-27 04:01:00] [INFO ] Decomposing Gal with order
[2026-05-27 04:01:00] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-27 04:01:00] [INFO ] Removed a total of 401 redundant transitions.
[2026-05-27 04:01:00] [INFO ] Flatten gal took : 125 ms
[2026-05-27 04:01:01] [INFO ] Fuse similar labels procedure discarded/fused a total of 113 labels/synchronizations in 29 ms.
[2026-05-27 04:01:01] [INFO ] Time to serialize gal into /tmp/StateSpace7872265228854739008.gal : 17 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/StateSpace7872265228854739008.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
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst\_mod\_flat,5.47232e+11,680.268,4526344,79650,413,7.4243e+06,1675,700,1.83516e+07,117,35310,0
Total reachable state count : 547231759144

Max variable value : 1
STATE_SPACE MAX_TOKEN_IN_PLACE 1 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Maximum sum along a path : 44
STATE_SPACE MAX_TOKEN_PER_MARKING 44 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Exact state count : 547231759144
STATE_SPACE STATES 547231759144 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Total runtime 746219 ms.

BK_STOP 1779855144042

--------------------
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-6"
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-6, 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-177961107900376"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/LamportFastMutEx-COL-6.tgz
mv LamportFastMutEx-COL-6 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 ;