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-177961107800352.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-3, examination is StateSpace
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r162-smll-177961107800352
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 412K
-rw-r--r-- 1 mcc users 7.6K Mar 7 16:43 CTLCardinality.txt
-rw-r--r-- 1 mcc users 75K Mar 7 16:43 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.7K Mar 7 16:43 CTLFireability.txt
-rw-r--r-- 1 mcc users 58K Mar 7 16:43 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 11:11 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 11:11 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.7K Mar 15 11:11 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Mar 15 11:11 LTLFireability.xml
-rw-r--r-- 1 mcc users 7.0K Mar 7 16:44 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 56K Mar 7 16:44 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.0K Mar 7 16:44 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 57K 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 39K 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 1779840943939

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-3
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is COL
StateSpace COL
Running Version 202604301425
[2026-05-27 00:15:46] [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 00:15:46] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-27 00:15:46] [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 00:15:47] [WARNING] Using fallBack plugin, rng conformance not checked
[2026-05-27 00:15:47] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 1018 ms
[2026-05-27 00:15:47] [INFO ] Imported 18 HL places and 17 HL transitions for a total of 100 PT places and 192.0 transition bindings in 29 ms.
[2026-05-27 00:15:47] [INFO ] Unfolded HLPN to a Petri net with 100 places and 156 transitions 664 arcs in 34 ms.
[2026-05-27 00:15:47] [INFO ] Unfolded 0 HLPN properties in 0 ms.
Deduced a syphon composed of 29 places in 1 ms
Reduce places removed 29 places and 42 transitions.
Starting structural reductions in STATESPACE mode, iteration 0 : 71/71 places, 114/114 transitions.
[2026-05-27 00:15:47] [INFO ] Redundant transitions in 3 ms returned []
Running 111 sub problems to find dead transitions.
[2026-05-27 00:15:48] [INFO ] Flow matrix only has 96 transitions (discarded 18 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-18225558016078056825.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8863120307045038334.kers'
[2026-05-27 00:15:48] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-18225558016078056825.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8863120307045038334.kers]
Culling duplicate invariants (modulo rational): removing 3 columns.
Culled 3 columns in 0 ms.
// Phase 1: matrix 96 rows 68 cols 276 entries
Finished phase 1 with 54 SingleSign rule and 0 generalized
[2026-05-27 00:15:48] [INFO ] Computed 17 invariants in 1 ms
Computed 17 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-8863120307045038334.kers
Total runtime 3 ms.
[2026-05-27 00:15:48] [INFO ] State equation strengthened by 27 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/71 variables, 17/17 constraints. Problems are: Problem set: 0 solved, 111 unsolved
Problem TDEAD3 is UNSAT
Problem TDEAD4 is UNSAT
Problem TDEAD5 is UNSAT
Problem TDEAD18 is UNSAT
Problem TDEAD22 is UNSAT
Problem TDEAD26 is UNSAT
Problem TDEAD27 is UNSAT
Problem TDEAD28 is UNSAT
Problem TDEAD29 is UNSAT
Problem TDEAD3 is UNSAT
Problem TDEAD4 is UNSAT
Problem TDEAD5 is UNSAT
Problem TDEAD18 is UNSAT
Problem TDEAD22 is UNSAT
Problem TDEAD26 is UNSAT
Problem TDEAD27 is UNSAT
Problem TDEAD28 is UNSAT
Problem TDEAD29 is UNSAT
Problem TDEAD40 is UNSAT
Problem TDEAD45 is UNSAT
Problem TDEAD50 is UNSAT
Problem TDEAD54 is UNSAT
Problem TDEAD57 is UNSAT
Problem TDEAD60 is UNSAT
Problem TDEAD61 is UNSAT
Problem TDEAD62 is UNSAT
At refinement iteration 1 (INCLUDED_ONLY) 0/71 variables, 20/37 constraints. Problems are: Problem set: 17 solved, 94 unsolved
Problem TDEAD51 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/71 variables, 15/52 constraints. Problems are: Problem set: 18 solved, 93 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/71 variables, 2/54 constraints. Problems are: Problem set: 18 solved, 93 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/71 variables, 3/57 constraints. Problems are: Problem set: 18 solved, 93 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/71 variables, 0/57 constraints. Problems are: Problem set: 18 solved, 93 unsolved
At refinement iteration 6 (OVERLAPS) 96/167 variables, 71/128 constraints. Problems are: Problem set: 18 solved, 93 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/167 variables, 27/155 constraints. Problems are: Problem set: 18 solved, 93 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/167 variables, 1/156 constraints. Problems are: Problem set: 18 solved, 93 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/167 variables, 0/156 constraints. Problems are: Problem set: 18 solved, 93 unsolved
At refinement iteration 10 (OVERLAPS) 0/167 variables, 1/157 constraints. Problems are: Problem set: 18 solved, 93 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/167 variables, 0/157 constraints. Problems are: Problem set: 18 solved, 93 unsolved
At refinement iteration 12 (OVERLAPS) 0/167 variables, 0/157 constraints. Problems are: Problem set: 18 solved, 93 unsolved
No progress, stopping.
After SMT solving in domain Real declared 167/167 variables, and 157 constraints, problems are : Problem set: 18 solved, 93 unsolved in 12043 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, State Equation: 71/71 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 111/111 constraints, Known Traps: 42/42 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 18 solved, 93 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/68 variables, 5/5 constraints. Problems are: Problem set: 18 solved, 93 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/68 variables, 23/28 constraints. Problems are: Problem set: 18 solved, 93 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/68 variables, 0/28 constraints. Problems are: Problem set: 18 solved, 93 unsolved
At refinement iteration 3 (OVERLAPS) 3/71 variables, 12/40 constraints. Problems are: Problem set: 18 solved, 93 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/71 variables, 19/59 constraints. Problems are: Problem set: 18 solved, 93 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/71 variables, 0/59 constraints. Problems are: Problem set: 18 solved, 93 unsolved
At refinement iteration 6 (OVERLAPS) 96/167 variables, 71/130 constraints. Problems are: Problem set: 18 solved, 93 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/167 variables, 27/157 constraints. Problems are: Problem set: 18 solved, 93 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/167 variables, 93/250 constraints. Problems are: Problem set: 18 solved, 93 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/167 variables, 1/251 constraints. Problems are: Problem set: 18 solved, 93 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/167 variables, 1/252 constraints. Problems are: Problem set: 18 solved, 93 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/167 variables, 1/253 constraints. Problems are: Problem set: 18 solved, 93 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/167 variables, 0/253 constraints. Problems are: Problem set: 18 solved, 93 unsolved
At refinement iteration 13 (OVERLAPS) 0/167 variables, 0/253 constraints. Problems are: Problem set: 18 solved, 93 unsolved
No progress, stopping.
After SMT solving in domain Int declared 167/167 variables, and 253 constraints, problems are : Problem set: 18 solved, 93 unsolved in 11801 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, State Equation: 71/71 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 93/111 constraints, Known Traps: 44/44 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 24062ms problems are : Problem set: 18 solved, 93 unsolved
Search for dead transitions found 18 dead transitions in 24091ms
Found 18 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 18 transitions
Dead transitions reduction (with SMT) removed 18 transitions
Starting structural reductions in STATESPACE mode, iteration 1 : 71/71 places, 96/114 transitions.
[2026-05-27 00:16:12] [INFO ] Redundant transitions in 2 ms returned []
Finished structural reductions in STATESPACE mode , in 2 iterations and 24288 ms. Remains : 71/71 places, 96/114 transitions.
Final net has 71 places and 96 transitions.
[2026-05-27 00:16:12] [INFO ] Flatten gal took : 48 ms
[2026-05-27 00:16:12] [INFO ] Applying decomposition
[2026-05-27 00:16:12] [INFO ] Flatten gal took : 17 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/graph14047180244864976837.txt' '-o' '/tmp/graph14047180244864976837.bin' '-w' '/tmp/graph14047180244864976837.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph14047180244864976837.bin' '-l' '-1' '-v' '-w' '/tmp/graph14047180244864976837.weights' '-q' '0' '-e' '0.001'
[2026-05-27 00:16:12] [INFO ] Decomposing Gal with order
[2026-05-27 00:16:12] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-27 00:16:12] [INFO ] Removed a total of 77 redundant transitions.
[2026-05-27 00:16:12] [INFO ] Flatten gal took : 70 ms
[2026-05-27 00:16:12] [INFO ] Fuse similar labels procedure discarded/fused a total of 27 labels/synchronizations in 11 ms.
[2026-05-27 00:16:12] [INFO ] Time to serialize gal into /tmp/StateSpace7757094400462762986.gal : 9 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/StateSpace7757094400462762986.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,19742,0.34727,12640,846,228,13738,920,277,32579,86,5698,0
Total reachable state count : 19742

Max variable value : 1
STATE_SPACE MAX_TOKEN_IN_PLACE 1 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Maximum sum along a path : 14
STATE_SPACE MAX_TOKEN_PER_MARKING 14 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Exact state count : 19742
STATE_SPACE STATES 19742 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Total runtime 26513 ms.

BK_STOP 1779840972985

--------------------
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-3"
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-3, 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-177961107800352"
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 [ "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 ;