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-177955809100376.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-12a, examination is StateSpace
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r130-smll-177955809100376
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 624K
-rw-r--r-- 1 mcc users 8.5K Mar 7 05:37 CTLCardinality.txt
-rw-r--r-- 1 mcc users 97K Mar 7 05:37 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.8K Mar 7 05:33 CTLFireability.txt
-rw-r--r-- 1 mcc users 41K Mar 7 05:33 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 17 09:03 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 17 09:03 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 17 09:03 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 17 09:03 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Mar 7 05:38 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 129K Mar 7 05:38 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.9K Mar 7 05:37 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 89K Mar 7 05:37 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 17 09:03 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 17 09:03 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 128K 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 1779888934520

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-12a
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
StateSpace PT
Running Version 202604301425
[2026-05-27 13:35:36] [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 13:35:36] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-27 13:35:36] [INFO ] Load time of PNML (sax parser for PT used): 201 ms
[2026-05-27 13:35:36] [INFO ] Transformed 147 places.
[2026-05-27 13:35:36] [INFO ] Transformed 448 transitions.
[2026-05-27 13:35:36] [INFO ] Found NUPN structural information;
[2026-05-27 13:35:36] [INFO ] Parsed PT model containing 147 places and 448 transitions and 2045 arcs in 436 ms.
Ensure Unique test removed 122 transitions
Reduce redundant transitions removed 122 transitions.
Starting structural reductions in STATESPACE mode, iteration 0 : 147/147 places, 326/326 transitions.
Drop transitions (Redundant composition of simpler transitions.) removed 12 transitions
Redundant transition composition rules discarded 12 transitions
[2026-05-27 13:35:37] [INFO ] Redundant transitions in 37 ms returned []
Running 313 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-14869338917668594858.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14707485410551202197.kers'
[2026-05-27 13:35:37] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14869338917668594858.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14707485410551202197.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 314 rows 145 cols 881 entries
Finished phase 1 with 133 SingleSign rule and 0 generalized
[2026-05-27 13:35:37] [INFO ] Computed 14 invariants in 1 ms
Computed 14 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-14707485410551202197.kers
Total runtime 3 ms.
[2026-05-27 13:35:37] [INFO ] State equation strengthened by 193 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/146 variables, 146/146 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/146 variables, 0/146 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 2 (OVERLAPS) 1/147 variables, 14/160 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/147 variables, 1/161 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/147 variables, 0/161 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 5 (OVERLAPS) 314/461 variables, 147/308 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/461 variables, 193/501 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/461 variables, 0/501 constraints. Problems are: Problem set: 0 solved, 313 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Stream closed")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 461/461 variables, and 501 constraints, problems are : Problem set: 0 solved, 313 unsolved in 30031 ms.
Refiners :[Domain max(s): 147/147 constraints, Positive P Invariants (semi-flows): 14/14 constraints, State Equation: 147/147 constraints, ReadFeed: 193/193 constraints, PredecessorRefiner: 313/313 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 313 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/146 variables, 146/146 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/146 variables, 0/146 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 2 (OVERLAPS) 1/147 variables, 14/160 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/147 variables, 1/161 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/147 variables, 0/161 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 5 (OVERLAPS) 314/461 variables, 147/308 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/461 variables, 193/501 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/461 variables, 313/814 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/461 variables, 0/814 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 9 (OVERLAPS) 0/461 variables, 0/814 constraints. Problems are: Problem set: 0 solved, 313 unsolved
No progress, stopping.
After SMT solving in domain Int declared 461/461 variables, and 814 constraints, problems are : Problem set: 0 solved, 313 unsolved in 30023 ms.
Refiners :[Domain max(s): 147/147 constraints, Positive P Invariants (semi-flows): 14/14 constraints, State Equation: 147/147 constraints, ReadFeed: 193/193 constraints, PredecessorRefiner: 313/313 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60554ms problems are : Problem set: 0 solved, 313 unsolved
Search for dead transitions found 0 dead transitions in 60597ms
Starting structural reductions in STATESPACE mode, iteration 1 : 147/147 places, 314/326 transitions.
Finished structural reductions in STATESPACE mode , in 1 iterations and 60969 ms. Remains : 147/147 places, 314/326 transitions.
Final net has 147 places and 314 transitions.
[2026-05-27 13:36:38] [INFO ] Flatten gal took : 119 ms
[2026-05-27 13:36:38] [INFO ] Applying decomposition
[2026-05-27 13:36:38] [INFO ] Flatten gal took : 44 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/graph15612197019015561703.txt' '-o' '/tmp/graph15612197019015561703.bin' '-w' '/tmp/graph15612197019015561703.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph15612197019015561703.bin' '-l' '-1' '-v' '-w' '/tmp/graph15612197019015561703.weights' '-q' '0' '-e' '0.001'
[2026-05-27 13:36:38] [INFO ] Decomposing Gal with order
[2026-05-27 13:36:38] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-27 13:36:38] [INFO ] Removed a total of 395 redundant transitions.
[2026-05-27 13:36:39] [INFO ] Flatten gal took : 158 ms
[2026-05-27 13:36:39] [INFO ] Fuse similar labels procedure discarded/fused a total of 55 labels/synchronizations in 23 ms.
[2026-05-27 13:36:39] [INFO ] Time to serialize gal into /tmp/StateSpace11402916270008213029.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/StateSpace11402916270008213029.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,8.9161e+12,0.097431,5720,80,23,2939,249,413,3509,58,467,0
Total reachable state count : 8916100448257

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 : 8916100448257
STATE_SPACE STATES 8916100448257 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Total runtime 62757 ms.

BK_STOP 1779888999297

--------------------
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-12a"
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-12a, 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-177955809100376"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FlexibleBarrier-PT-12a.tgz
mv FlexibleBarrier-PT-12a 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 ;