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.r130-smll-177955809100408.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 FlexibleBarrier-PT-16a, examination is StateSpace
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r130-smll-177955809100408
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 672K
-rw-r--r-- 1 mcc users 6.1K Mar 7 06:04 CTLCardinality.txt
-rw-r--r-- 1 mcc users 63K Mar 7 06:04 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.2K Mar 7 06:01 CTLFireability.txt
-rw-r--r-- 1 mcc users 47K Mar 7 06:01 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.7K Mar 15 10:14 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 15 10:14 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 10:14 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 10:14 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K Mar 7 06:05 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 151K Mar 7 06:05 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.0K Mar 7 06:05 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 67K Mar 7 06:05 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 10:14 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 10:14 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 214K 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 1779907555267

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=StateSpace
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=FlexibleBarrier-PT-16a
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
StateSpace PT
Running Version 202604301425
[2026-05-27 18:45:57] [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 18:45:57] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-27 18:45:57] [INFO ] Load time of PNML (sax parser for PT used): 367 ms
[2026-05-27 18:45:57] [INFO ] Transformed 195 places.
[2026-05-27 18:45:57] [INFO ] Transformed 724 transitions.
[2026-05-27 18:45:57] [INFO ] Found NUPN structural information;
[2026-05-27 18:45:58] [INFO ] Parsed PT model containing 195 places and 724 transitions and 3489 arcs in 618 ms.
Ensure Unique test removed 226 transitions
Reduce redundant transitions removed 226 transitions.
Starting structural reductions in STATESPACE mode, iteration 0 : 195/195 places, 498/498 transitions.
Drop transitions (Redundant composition of simpler transitions.) removed 16 transitions
Redundant transition composition rules discarded 16 transitions
[2026-05-27 18:45:58] [INFO ] Redundant transitions in 48 ms returned []
Running 481 sub problems to find dead transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11257834447904930060.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-18272397280629378899.kers'
[2026-05-27 18:45:58] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11257834447904930060.kers, --Pflows, --basisKERS=/tmp/petrispot-output-18272397280629378899.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 482 rows 193 cols 1429 entries
Finished phase 1 with 177 SingleSign rule and 0 generalized
[2026-05-27 18:45:58] [INFO ] Computed 18 invariants in 2 ms
Computed 18 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-18272397280629378899.kers
Total runtime 4 ms.
[2026-05-27 18:45:58] [INFO ] State equation strengthened by 321 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/194 variables, 194/194 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/194 variables, 0/194 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 2 (OVERLAPS) 1/195 variables, 18/212 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/195 variables, 1/213 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/195 variables, 0/213 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 5 (OVERLAPS) 482/677 variables, 195/408 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/677 variables, 321/729 constraints. Problems are: Problem set: 0 solved, 481 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 677/677 variables, and 729 constraints, problems are : Problem set: 0 solved, 481 unsolved in 30074 ms.
Refiners :[Domain max(s): 195/195 constraints, Positive P Invariants (semi-flows): 18/18 constraints, State Equation: 195/195 constraints, ReadFeed: 321/321 constraints, PredecessorRefiner: 481/481 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 481 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/194 variables, 194/194 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/194 variables, 0/194 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 2 (OVERLAPS) 1/195 variables, 18/212 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/195 variables, 1/213 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/195 variables, 0/213 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 5 (OVERLAPS) 482/677 variables, 195/408 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/677 variables, 321/729 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/677 variables, 481/1210 constraints. Problems are: Problem set: 0 solved, 481 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 677/677 variables, and 1210 constraints, problems are : Problem set: 0 solved, 481 unsolved in 30047 ms.
Refiners :[Domain max(s): 195/195 constraints, Positive P Invariants (semi-flows): 18/18 constraints, State Equation: 195/195 constraints, ReadFeed: 321/321 constraints, PredecessorRefiner: 481/481 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60897ms problems are : Problem set: 0 solved, 481 unsolved
Search for dead transitions found 0 dead transitions in 60941ms
Starting structural reductions in STATESPACE mode, iteration 1 : 195/195 places, 482/498 transitions.
Finished structural reductions in STATESPACE mode , in 1 iterations and 61316 ms. Remains : 195/195 places, 482/498 transitions.
Final net has 195 places and 482 transitions.
[2026-05-27 18:46:59] [INFO ] Flatten gal took : 141 ms
[2026-05-27 18:46:59] [INFO ] Applying decomposition
[2026-05-27 18:46:59] [INFO ] Flatten gal took : 61 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/graph14329496311139172747.txt' '-o' '/tmp/graph14329496311139172747.bin' '-w' '/tmp/graph14329496311139172747.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph14329496311139172747.bin' '-l' '-1' '-v' '-w' '/tmp/graph14329496311139172747.weights' '-q' '0' '-e' '0.001'
[2026-05-27 18:47:00] [INFO ] Decomposing Gal with order
[2026-05-27 18:47:00] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-27 18:47:00] [INFO ] Removed a total of 719 redundant transitions.
[2026-05-27 18:47:00] [INFO ] Flatten gal took : 138 ms
[2026-05-27 18:47:00] [INFO ] Fuse similar labels procedure discarded/fused a total of 76 labels/synchronizations in 22 ms.
[2026-05-27 18:47:00] [INFO ] Time to serialize gal into /tmp/StateSpace7421877447363654333.gal : 14 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/StateSpace7421877447363654333.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,1.84884e+17,0.202941,7908,129,23,7876,350,576,9289,58,592,0
Total reachable state count : 184884258895036417

Max variable value : 1
STATE_SPACE MAX_TOKEN_IN_PLACE 1 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Maximum sum along a path : 18
STATE_SPACE MAX_TOKEN_PER_MARKING 18 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Exact state count : 184884258895036417
STATE_SPACE STATES 184884258895036417 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Total runtime 63445 ms.

BK_STOP 1779907620913

--------------------
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="FlexibleBarrier-PT-16a"
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 FlexibleBarrier-PT-16a, 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 r130-smll-177955809100408"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FlexibleBarrier-PT-16a.tgz
mv FlexibleBarrier-PT-16a 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 ;