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.r050-smll-177946901200301.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 ClientsAndServers-PT-N0005P0, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r050-smll-177946901200301
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 496K
-rw-r--r-- 1 mcc users 6.7K Mar 6 10:53 CTLCardinality.txt
-rw-r--r-- 1 mcc users 70K Mar 6 10:53 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.5K Mar 6 10:53 CTLFireability.txt
-rw-r--r-- 1 mcc users 36K Mar 6 10:53 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 08:08 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Mar 15 08:08 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Mar 15 08:08 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 08:08 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Mar 6 10:53 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 129K Mar 6 10:53 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K Mar 6 10:53 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 113K Mar 6 10:53 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 15 08:08 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 08:08 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 8 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 9.1K Mar 3 18:30 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of positive values
NUM_VECTOR

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME ClientsAndServers-PT-N0005P0-UpperBounds-00
FORMULA_NAME ClientsAndServers-PT-N0005P0-UpperBounds-01
FORMULA_NAME ClientsAndServers-PT-N0005P0-UpperBounds-02
FORMULA_NAME ClientsAndServers-PT-N0005P0-UpperBounds-03
FORMULA_NAME ClientsAndServers-PT-N0005P0-UpperBounds-04
FORMULA_NAME ClientsAndServers-PT-N0005P0-UpperBounds-05
FORMULA_NAME ClientsAndServers-PT-N0005P0-UpperBounds-06
FORMULA_NAME ClientsAndServers-PT-N0005P0-UpperBounds-07
FORMULA_NAME ClientsAndServers-PT-N0005P0-UpperBounds-08
FORMULA_NAME ClientsAndServers-PT-N0005P0-UpperBounds-09
FORMULA_NAME ClientsAndServers-PT-N0005P0-UpperBounds-10
FORMULA_NAME ClientsAndServers-PT-N0005P0-UpperBounds-11
FORMULA_NAME ClientsAndServers-PT-N0005P0-UpperBounds-12
FORMULA_NAME ClientsAndServers-PT-N0005P0-UpperBounds-13
FORMULA_NAME ClientsAndServers-PT-N0005P0-UpperBounds-14
FORMULA_NAME ClientsAndServers-PT-N0005P0-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779608700526

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=ClientsAndServers-PT-N0005P0
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202604301425
[2026-05-24 07:45:02] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-24 07:45:02] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 07:45:02] [INFO ] Load time of PNML (sax parser for PT used): 49 ms
[2026-05-24 07:45:02] [INFO ] Transformed 25 places.
[2026-05-24 07:45:03] [INFO ] Transformed 18 transitions.
[2026-05-24 07:45:03] [INFO ] Parsed PT model containing 25 places and 18 transitions and 54 arcs in 266 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 10 ms.
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 10, 0, 0, 0, 15, 0, 20, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 10, 0, 0, 0, 15, 0, 20, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-10055178736361694216.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10147467600611013921.kers'
[2026-05-24 07:45:03] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10055178736361694216.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10147467600611013921.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 18 rows 25 cols 54 entries
Finished phase 1 with 14 SingleSign rule and 3 generalized
[2026-05-24 07:45:03] [INFO ] Computed 8 invariants in 0 ms
Computed 8 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-10147467600611013921.kers
Total runtime 2 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 10, 0, 0, 0, 15, 0, 20, 0, 0, 0, 0, 0, 0, 0] Max Struct:[10, 40, 10, 120, 40, 10, 15, 20, 20, 40, 10, 10, 40, 10, 10, 40]
FORMULA ClientsAndServers-PT-N0005P0-UpperBounds-08 20 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ClientsAndServers-PT-N0005P0-UpperBounds-06 15 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ClientsAndServers-PT-N0005P0-UpperBounds-02 10 TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 10000 steps (17 resets) in 19 ms. (500 steps per ms)
FORMULA ClientsAndServers-PT-N0005P0-UpperBounds-14 10 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA ClientsAndServers-PT-N0005P0-UpperBounds-13 10 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA ClientsAndServers-PT-N0005P0-UpperBounds-11 10 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA ClientsAndServers-PT-N0005P0-UpperBounds-10 10 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA ClientsAndServers-PT-N0005P0-UpperBounds-09 40 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA ClientsAndServers-PT-N0005P0-UpperBounds-05 10 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA ClientsAndServers-PT-N0005P0-UpperBounds-04 40 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA ClientsAndServers-PT-N0005P0-UpperBounds-00 10 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA ClientsAndServers-PT-N0005P0-UpperBounds-07 20 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40004 steps (13 resets) in 70 ms. (563 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[10, 24, 14, 10] Max Struct:[40, 120, 40, 40]
[2026-05-24 07:45:03] [INFO ] Invariant cache hit.
[2026-05-24 07:45:03] [INFO ] [Real]Absence check using 5 positive place invariants in 14 ms returned sat
[2026-05-24 07:45:03] [INFO ] [Real]Absence check using 5 positive and 3 generalized place invariants in 8 ms returned unsat
[2026-05-24 07:45:03] [INFO ] [Real]Absence check using 5 positive place invariants in 6 ms returned sat
[2026-05-24 07:45:03] [INFO ] [Real]Absence check using 5 positive and 3 generalized place invariants in 4 ms returned sat
[2026-05-24 07:45:03] [INFO ] [Real]Absence check using state equation in 65 ms returned sat
[2026-05-24 07:45:03] [INFO ] Computed and/alt/rep : 17/21/17 causal constraints (skipped 0 transitions) in 9 ms.
[2026-05-24 07:45:03] [INFO ] Added : 16 causal constraints over 4 iterations in 115 ms. Result :sat
Minimization took 24 ms.
[2026-05-24 07:45:03] [INFO ] [Real]Absence check using 5 positive place invariants in 7 ms returned sat
[2026-05-24 07:45:03] [INFO ] [Real]Absence check using 5 positive and 3 generalized place invariants in 2 ms returned sat
[2026-05-24 07:45:03] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2026-05-24 07:45:04] [INFO ] Computed and/alt/rep : 17/21/17 causal constraints (skipped 0 transitions) in 23 ms.
[2026-05-24 07:45:04] [INFO ] Added : 16 causal constraints over 4 iterations in 121 ms. Result :sat
Minimization took 30 ms.
[2026-05-24 07:45:04] [INFO ] [Real]Absence check using 5 positive place invariants in 4 ms returned sat
[2026-05-24 07:45:04] [INFO ] [Real]Absence check using 5 positive and 3 generalized place invariants in 2 ms returned unsat
Current structural bounds on expressions (after SMT) : Max Seen:[10, 24, 14, 10] Max Struct:[10, 120, 40, 10]
FORMULA ClientsAndServers-PT-N0005P0-UpperBounds-15 10 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA ClientsAndServers-PT-N0005P0-UpperBounds-01 10 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA ClientsAndServers-PT-N0005P0-UpperBounds-12 40 TECHNIQUES TOPOLOGICAL PARIKH_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[40] Max Struct:[120]
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 18/18 transitions.
Discarding 3 places :
Implicit places reduction removed 3 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 6 transitions
Trivial Post-agglo rules discarded 6 transitions
Performed 6 trivial Post agglomeration. Transition count delta: 6
Iterating post reduction 0 with 9 rules applied. Total rules applied 9 place count 22 transition count 12
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 15 place count 16 transition count 12
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 2 Pre rules applied. Total rules applied 15 place count 16 transition count 10
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 19 place count 14 transition count 10
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 2 with 6 rules applied. Total rules applied 25 place count 11 transition count 7
Free-agglomeration rule (complex) applied 3 times.
Iterating global reduction 2 with 3 rules applied. Total rules applied 28 place count 11 transition count 4
Reduce places removed 5 places and 0 transitions.
Iterating post reduction 2 with 5 rules applied. Total rules applied 33 place count 6 transition count 4
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 33 place count 6 transition count 3
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 35 place count 5 transition count 3
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Ensure Unique test removed 1 places
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 39 place count 2 transition count 2
Applied a total of 39 rules in 69 ms. Remains 2 /25 variables (removed 23) and now considering 2/18 (removed 16) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 89 ms. Remains : 2/25 places, 2/18 transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3824385645893336634.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10630556282662153698.kers'
[2026-05-24 07:45:04] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3824385645893336634.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10630556282662153698.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 2 rows 1 cols 2 entries
Finished phase 1 with 1 SingleSign rule and 0 generalized
[2026-05-24 07:45:04] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-10630556282662153698.kers
Total runtime 0 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[40] Max Struct:[40]
FORMULA ClientsAndServers-PT-N0005P0-UpperBounds-03 40 TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 1000020 steps (2 resets) in 232 ms. (4291 steps per ms)
BEST_FIRST walk for 0 steps (0 resets) in 0 ms. (0 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[] Max Struct:[]
All properties solved without resorting to model-checking.
Total runtime 2345 ms.

BK_STOP 1779608705098

--------------------
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
+ [[ UpperBounds = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution UpperBounds -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 UpperBounds -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="ClientsAndServers-PT-N0005P0"
export BK_EXAMINATION="UpperBounds"
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 ClientsAndServers-PT-N0005P0, examination is UpperBounds"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r050-smll-177946901200301"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ClientsAndServers-PT-N0005P0.tgz
mv ClientsAndServers-PT-N0005P0 execution
cd execution
if [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "UpperBounds" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] || [ "UpperBounds" = "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 [ "UpperBounds" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "UpperBounds" != "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 "UpperBounds.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 '' UpperBounds.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] ; then
echo "FORMULA_NAME UpperBounds"
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 ;