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.r066-tall-177946967700413.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 CO4-PT-17, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r066-tall-177946967700413
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 716K
-rw-r--r-- 1 mcc users 6.3K Mar 6 13:27 CTLCardinality.txt
-rw-r--r-- 1 mcc users 70K Mar 6 13:27 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.1K Mar 6 13:27 CTLFireability.txt
-rw-r--r-- 1 mcc users 47K Mar 6 13:27 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.3K Mar 15 08:32 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Mar 15 08:32 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K Mar 15 08:32 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Mar 15 08:32 LTLFireability.xml
-rw-r--r-- 1 mcc users 16K Mar 6 13:27 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 184K Mar 6 13:27 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.5K Mar 6 13:27 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 52K Mar 6 13:27 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.5K Mar 15 08:32 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.5K Mar 15 08:32 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 248K 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 CO4-PT-17-UpperBounds-00
FORMULA_NAME CO4-PT-17-UpperBounds-01
FORMULA_NAME CO4-PT-17-UpperBounds-02
FORMULA_NAME CO4-PT-17-UpperBounds-03
FORMULA_NAME CO4-PT-17-UpperBounds-04
FORMULA_NAME CO4-PT-17-UpperBounds-05
FORMULA_NAME CO4-PT-17-UpperBounds-06
FORMULA_NAME CO4-PT-17-UpperBounds-07
FORMULA_NAME CO4-PT-17-UpperBounds-08
FORMULA_NAME CO4-PT-17-UpperBounds-09
FORMULA_NAME CO4-PT-17-UpperBounds-10
FORMULA_NAME CO4-PT-17-UpperBounds-11
FORMULA_NAME CO4-PT-17-UpperBounds-12
FORMULA_NAME CO4-PT-17-UpperBounds-13
FORMULA_NAME CO4-PT-17-UpperBounds-14
FORMULA_NAME CO4-PT-17-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779525033850

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=CO4-PT-17
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202604301425
[2026-05-23 08:30:34] [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]
[2026-05-23 08:30:34] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 08:30:35] [INFO ] Load time of PNML (sax parser for PT used): 98 ms
[2026-05-23 08:30:35] [INFO ] Transformed 967 places.
[2026-05-23 08:30:35] [INFO ] Transformed 1150 transitions.
[2026-05-23 08:30:35] [INFO ] Found NUPN structural information;
[2026-05-23 08:30:35] [INFO ] Parsed PT model containing 967 places and 1150 transitions and 2568 arcs in 186 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 6 ms.
Deduced a syphon composed of 198 places in 11 ms
Reduce places removed 198 places and 238 transitions.
FORMULA CO4-PT-17-UpperBounds-09 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CO4-PT-17-UpperBounds-14 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Current structural bounds on expressions (Initiallly, because the net is safe) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4514285589854172175.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15861309131057282533.kers'
[2026-05-23 08:30:35] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4514285589854172175.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15861309131057282533.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 912 rows 769 cols 2050 entries
Finished phase 1 with 760 SingleSign rule and 0 generalized
[2026-05-23 08:30:35] [INFO ] Computed 9 invariants in 5 ms
Computed 9 P flows in 6 ms.
Exported basis to /tmp/petrispot-output-15861309131057282533.kers
Total runtime 7 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
RANDOM walk for 10000 steps (10 resets) in 40 ms. (243 steps per ms)
FORMULA CO4-PT-17-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CO4-PT-17-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CO4-PT-17-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CO4-PT-17-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CO4-PT-17-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CO4-PT-17-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CO4-PT-17-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 80000 steps (195 resets) in 126 ms. (629 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1]
[2026-05-23 08:30:35] [INFO ] Invariant cache hit.
[2026-05-23 08:30:35] [INFO ] [Real]Absence check using 9 positive place invariants in 27 ms returned sat
[2026-05-23 08:30:36] [INFO ] [Real]Absence check using state equation in 273 ms returned sat
[2026-05-23 08:30:36] [INFO ] Computed and/alt/rep : 797/974/797 causal constraints (skipped 114 transitions) in 59 ms.
[2026-05-23 08:30:36] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 08:30:36] [INFO ] [Nat]Absence check using 9 positive place invariants in 22 ms returned sat
[2026-05-23 08:30:36] [INFO ] [Nat]Absence check using state equation in 213 ms returned sat
[2026-05-23 08:30:36] [INFO ] Computed and/alt/rep : 797/974/797 causal constraints (skipped 114 transitions) in 44 ms.
[2026-05-23 08:30:38] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 226 ms
[2026-05-23 08:30:38] [INFO ] Added : 125 causal constraints over 25 iterations in 1526 ms. Result :sat
Minimization took 279 ms.
[2026-05-23 08:30:38] [INFO ] [Real]Absence check using 9 positive place invariants in 19 ms returned sat
[2026-05-23 08:30:39] [INFO ] [Real]Absence check using state equation in 224 ms returned sat
[2026-05-23 08:30:39] [INFO ] Computed and/alt/rep : 797/974/797 causal constraints (skipped 114 transitions) in 46 ms.
[2026-05-23 08:30:39] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 08:30:39] [INFO ] [Nat]Absence check using 9 positive place invariants in 19 ms returned sat
[2026-05-23 08:30:39] [INFO ] [Nat]Absence check using state equation in 237 ms returned sat
[2026-05-23 08:30:39] [INFO ] Computed and/alt/rep : 797/974/797 causal constraints (skipped 114 transitions) in 43 ms.
[2026-05-23 08:30:40] [INFO ] Added : 102 causal constraints over 21 iterations in 966 ms. Result :sat
Minimization took 326 ms.
[2026-05-23 08:30:41] [INFO ] [Real]Absence check using 9 positive place invariants in 18 ms returned sat
[2026-05-23 08:30:41] [INFO ] [Real]Absence check using state equation in 221 ms returned sat
[2026-05-23 08:30:41] [INFO ] Computed and/alt/rep : 797/974/797 causal constraints (skipped 114 transitions) in 54 ms.
[2026-05-23 08:30:41] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 08:30:41] [INFO ] [Nat]Absence check using 9 positive place invariants in 20 ms returned sat
[2026-05-23 08:30:41] [INFO ] [Nat]Absence check using state equation in 225 ms returned sat
[2026-05-23 08:30:41] [INFO ] Computed and/alt/rep : 797/974/797 causal constraints (skipped 114 transitions) in 42 ms.
[2026-05-23 08:30:42] [INFO ] Added : 113 causal constraints over 23 iterations in 1058 ms. Result :sat
Minimization took 235 ms.
[2026-05-23 08:30:43] [INFO ] [Real]Absence check using 9 positive place invariants in 19 ms returned sat
[2026-05-23 08:30:43] [INFO ] [Real]Absence check using state equation in 216 ms returned sat
[2026-05-23 08:30:43] [INFO ] Computed and/alt/rep : 797/974/797 causal constraints (skipped 114 transitions) in 49 ms.
[2026-05-23 08:30:43] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 08:30:43] [INFO ] [Nat]Absence check using 9 positive place invariants in 20 ms returned sat
[2026-05-23 08:30:44] [INFO ] [Nat]Absence check using state equation in 219 ms returned sat
[2026-05-23 08:30:44] [INFO ] Computed and/alt/rep : 797/974/797 causal constraints (skipped 114 transitions) in 39 ms.
[2026-05-23 08:30:45] [INFO ] Added : 129 causal constraints over 26 iterations in 1241 ms. Result :sat
Minimization took 261 ms.
[2026-05-23 08:30:45] [INFO ] [Real]Absence check using 9 positive place invariants in 18 ms returned sat
[2026-05-23 08:30:46] [INFO ] [Real]Absence check using state equation in 224 ms returned sat
[2026-05-23 08:30:46] [INFO ] Computed and/alt/rep : 797/974/797 causal constraints (skipped 114 transitions) in 41 ms.
[2026-05-23 08:30:46] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 08:30:46] [INFO ] [Nat]Absence check using 9 positive place invariants in 20 ms returned sat
[2026-05-23 08:30:46] [INFO ] [Nat]Absence check using state equation in 221 ms returned sat
[2026-05-23 08:30:46] [INFO ] Computed and/alt/rep : 797/974/797 causal constraints (skipped 114 transitions) in 42 ms.
[2026-05-23 08:30:47] [INFO ] Added : 137 causal constraints over 28 iterations in 1291 ms. Result :sat
Minimization took 366 ms.
[2026-05-23 08:30:48] [INFO ] [Real]Absence check using 9 positive place invariants in 18 ms returned sat
[2026-05-23 08:30:48] [INFO ] [Real]Absence check using state equation in 218 ms returned sat
[2026-05-23 08:30:48] [INFO ] Computed and/alt/rep : 797/974/797 causal constraints (skipped 114 transitions) in 40 ms.
[2026-05-23 08:30:48] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 08:30:49] [INFO ] [Nat]Absence check using 9 positive place invariants in 20 ms returned sat
[2026-05-23 08:30:49] [INFO ] [Nat]Absence check using state equation in 224 ms returned sat
[2026-05-23 08:30:49] [INFO ] Computed and/alt/rep : 797/974/797 causal constraints (skipped 114 transitions) in 40 ms.
[2026-05-23 08:30:50] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 270 ms
[2026-05-23 08:30:50] [INFO ] Added : 114 causal constraints over 24 iterations in 1435 ms. Result :sat
Minimization took 216 ms.
[2026-05-23 08:30:51] [INFO ] [Real]Absence check using 9 positive place invariants in 19 ms returned sat
[2026-05-23 08:30:51] [INFO ] [Real]Absence check using state equation in 230 ms returned sat
[2026-05-23 08:30:51] [INFO ] Computed and/alt/rep : 797/974/797 causal constraints (skipped 114 transitions) in 50 ms.
[2026-05-23 08:30:51] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 08:30:51] [INFO ] [Nat]Absence check using 9 positive place invariants in 19 ms returned sat
[2026-05-23 08:30:51] [INFO ] [Nat]Absence check using state equation in 220 ms returned sat
[2026-05-23 08:30:51] [INFO ] Computed and/alt/rep : 797/974/797 causal constraints (skipped 114 transitions) in 37 ms.
[2026-05-23 08:30:52] [INFO ] Added : 107 causal constraints over 22 iterations in 1006 ms. Result :sat
Minimization took 306 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1]
FORMULA CO4-PT-17-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA CO4-PT-17-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA CO4-PT-17-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA CO4-PT-17-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA CO4-PT-17-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA CO4-PT-17-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL PARIKH_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[1]
FORMULA CO4-PT-17-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL PARIKH_GUIDED_WALK
All properties solved without resorting to model-checking.
Total runtime 18643 ms.

BK_STOP 1779525053648

--------------------
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="CO4-PT-17"
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 CO4-PT-17, 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 r066-tall-177946967700413"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CO4-PT-17.tgz
mv CO4-PT-17 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 ;