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-177961107800360.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-4, examination is StateSpace
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r162-smll-177961107800360
=====================================================================

--------------------
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)

no data necessary for post analysis


=== Now, execution of the tool begins

BK_START 1779842656192

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-4
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is COL
StateSpace COL
Running Version 202604301425
[2026-05-27 00:44:18] [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 00:44:18] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-27 00:44:19] [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 00:44:19] [WARNING] Using fallBack plugin, rng conformance not checked
[2026-05-27 00:44:20] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 1366 ms
[2026-05-27 00:44:20] [INFO ] Imported 18 HL places and 17 HL transitions for a total of 135 PT places and 285.0 transition bindings in 45 ms.
[2026-05-27 00:44:20] [INFO ] Unfolded HLPN to a Petri net with 135 places and 230 transitions 990 arcs in 58 ms.
[2026-05-27 00:44:20] [INFO ] Unfolded 0 HLPN properties in 0 ms.
Deduced a syphon composed of 33 places in 3 ms
Reduce places removed 33 places and 50 transitions.
Starting structural reductions in STATESPACE mode, iteration 0 : 102/102 places, 180/180 transitions.
[2026-05-27 00:44:20] [INFO ] Redundant transitions in 13 ms returned []
Running 176 sub problems to find dead transitions.
[2026-05-27 00:44:21] [INFO ] Flow matrix only has 144 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-17635016225316349161.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9684495319238214448.kers'
[2026-05-27 00:44:21] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17635016225316349161.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9684495319238214448.kers]
Culling duplicate invariants (modulo rational): removing 4 columns.
Culled 4 columns in 0 ms.
// Phase 1: matrix 144 rows 98 cols 432 entries
Finished phase 1 with 76 SingleSign rule and 0 generalized
[2026-05-27 00:44:21] [INFO ] Computed 26 invariants in 1 ms
Computed 26 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-9684495319238214448.kers
Total runtime 3 ms.
[2026-05-27 00:44:21] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/102 variables, 26/26 constraints. Problems are: Problem set: 0 solved, 176 unsolved
Problem TDEAD4 is UNSAT
Problem TDEAD5 is UNSAT
Problem TDEAD6 is UNSAT
Problem TDEAD7 is UNSAT
Problem TDEAD28 is UNSAT
Problem TDEAD33 is UNSAT
Problem TDEAD38 is UNSAT
Problem TDEAD43 is UNSAT
Problem TDEAD44 is UNSAT
Problem TDEAD45 is UNSAT
Problem TDEAD46 is UNSAT
Problem TDEAD47 is UNSAT
Problem TDEAD4 is UNSAT
Problem TDEAD5 is UNSAT
Problem TDEAD6 is UNSAT
Problem TDEAD7 is UNSAT
Problem TDEAD28 is UNSAT
Problem TDEAD33 is UNSAT
Problem TDEAD38 is UNSAT
Problem TDEAD43 is UNSAT
Problem TDEAD44 is UNSAT
Problem TDEAD45 is UNSAT
Problem TDEAD46 is UNSAT
Problem TDEAD47 is UNSAT
Problem TDEAD61 is UNSAT
Problem TDEAD67 is UNSAT
Problem TDEAD73 is UNSAT
Problem TDEAD79 is UNSAT
Problem TDEAD81 is UNSAT
Problem TDEAD83 is UNSAT
Problem TDEAD96 is UNSAT
Problem TDEAD97 is UNSAT
Problem TDEAD98 is UNSAT
Problem TDEAD99 is UNSAT
At refinement iteration 1 (INCLUDED_ONLY) 0/102 variables, 20/46 constraints. Problems are: Problem set: 22 solved, 154 unsolved
Problem TDEAD80 is UNSAT
Problem TDEAD82 is UNSAT
Problem TDEAD80 is UNSAT
Problem TDEAD82 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/102 variables, 20/66 constraints. Problems are: Problem set: 24 solved, 152 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/102 variables, 6/72 constraints. Problems are: Problem set: 24 solved, 152 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/102 variables, 0/72 constraints. Problems are: Problem set: 24 solved, 152 unsolved
At refinement iteration 5 (OVERLAPS) 144/246 variables, 102/174 constraints. Problems are: Problem set: 24 solved, 152 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/246 variables, 40/214 constraints. Problems are: Problem set: 24 solved, 152 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/246 variables, 1/215 constraints. Problems are: Problem set: 24 solved, 152 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/246 variables, 5/220 constraints. Problems are: Problem set: 24 solved, 152 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/246 variables, 0/220 constraints. Problems are: Problem set: 24 solved, 152 unsolved
At refinement iteration 10 (OVERLAPS) 0/246 variables, 0/220 constraints. Problems are: Problem set: 24 solved, 152 unsolved
No progress, stopping.
After SMT solving in domain Real declared 246/246 variables, and 220 constraints, problems are : Problem set: 24 solved, 152 unsolved in 20707 ms.
Refiners :[Positive P Invariants (semi-flows): 26/26 constraints, State Equation: 102/102 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 176/176 constraints, Known Traps: 52/52 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 24 solved, 152 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/98 variables, 6/6 constraints. Problems are: Problem set: 24 solved, 152 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/98 variables, 29/35 constraints. Problems are: Problem set: 24 solved, 152 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/98 variables, 0/35 constraints. Problems are: Problem set: 24 solved, 152 unsolved
At refinement iteration 3 (OVERLAPS) 4/102 variables, 20/55 constraints. Problems are: Problem set: 24 solved, 152 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/102 variables, 23/78 constraints. Problems are: Problem set: 24 solved, 152 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/102 variables, 4/82 constraints. Problems are: Problem set: 24 solved, 152 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/102 variables, 0/82 constraints. Problems are: Problem set: 24 solved, 152 unsolved
At refinement iteration 7 (OVERLAPS) 144/246 variables, 102/184 constraints. Problems are: Problem set: 24 solved, 152 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/246 variables, 40/224 constraints. Problems are: Problem set: 24 solved, 152 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/246 variables, 152/376 constraints. Problems are: Problem set: 24 solved, 152 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/246 variables, 1/377 constraints. Problems are: Problem set: 24 solved, 152 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/246 variables, 2/379 constraints. Problems are: Problem set: 24 solved, 152 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/246 variables, 1/380 constraints. Problems are: Problem set: 24 solved, 152 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/246 variables, 1/381 constraints. Problems are: Problem set: 24 solved, 152 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/246 variables, 3/384 constraints. Problems are: Problem set: 24 solved, 152 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 246/246 variables, and 384 constraints, problems are : Problem set: 24 solved, 152 unsolved in 30023 ms.
Refiners :[Positive P Invariants (semi-flows): 26/26 constraints, State Equation: 102/102 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 152/176 constraints, Known Traps: 63/63 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 51076ms problems are : Problem set: 24 solved, 152 unsolved
Search for dead transitions found 24 dead transitions in 51116ms
Found 24 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 24 transitions
Dead transitions reduction (with SMT) removed 24 transitions
Starting structural reductions in STATESPACE mode, iteration 1 : 102/102 places, 156/180 transitions.
[2026-05-27 00:45:12] [INFO ] Redundant transitions in 7 ms returned []
Finished structural reductions in STATESPACE mode , in 2 iterations and 51392 ms. Remains : 102/102 places, 156/180 transitions.
Final net has 102 places and 156 transitions.
[2026-05-27 00:45:12] [INFO ] Flatten gal took : 74 ms
[2026-05-27 00:45:12] [INFO ] Applying decomposition
[2026-05-27 00:45:12] [INFO ] Flatten gal took : 32 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/graph8997413722030236152.txt' '-o' '/tmp/graph8997413722030236152.bin' '-w' '/tmp/graph8997413722030236152.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph8997413722030236152.bin' '-l' '-1' '-v' '-w' '/tmp/graph8997413722030236152.weights' '-q' '0' '-e' '0.001'
[2026-05-27 00:45:12] [INFO ] Decomposing Gal with order
[2026-05-27 00:45:12] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-27 00:45:12] [INFO ] Removed a total of 170 redundant transitions.
[2026-05-27 00:45:12] [INFO ] Flatten gal took : 109 ms
[2026-05-27 00:45:12] [INFO ] Fuse similar labels procedure discarded/fused a total of 48 labels/synchronizations in 21 ms.
[2026-05-27 00:45:12] [INFO ] Time to serialize gal into /tmp/StateSpace11642220076480329538.gal : 12 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/StateSpace11642220076480329538.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
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,1.91478e+06,5.36904,110768,6106,180,161613,424,434,424479,78,3005,0
Total reachable state count : 1914784

Max variable value : 1
STATE_SPACE MAX_TOKEN_IN_PLACE 1 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Maximum sum along a path : 22
STATE_SPACE MAX_TOKEN_PER_MARKING 22 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Exact state count : 1914784
STATE_SPACE STATES 1914784 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Total runtime 59446 ms.

BK_STOP 1779842718282

--------------------
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-4"
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-4, 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-177961107800360"
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 [ "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 ;