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-177946901000077.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 Champagne-PT-H07T0R, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r050-smll-177946901000077
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 608K
-rw-r--r-- 1 mcc users 7.9K Mar 6 10:49 CTLCardinality.txt
-rw-r--r-- 1 mcc users 87K Mar 6 10:49 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.3K Mar 6 10:48 CTLFireability.txt
-rw-r--r-- 1 mcc users 46K Mar 6 10:48 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.8K Mar 15 07:59 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 15 07:59 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 07:59 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Mar 15 07:59 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Mar 6 10:49 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 123K Mar 6 10:49 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.5K Mar 6 10:49 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 64K Mar 6 10:49 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 07:59 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 07:59 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 7 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 169K 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 Champagne-PT-H07T0R-UpperBounds-00
FORMULA_NAME Champagne-PT-H07T0R-UpperBounds-01
FORMULA_NAME Champagne-PT-H07T0R-UpperBounds-02
FORMULA_NAME Champagne-PT-H07T0R-UpperBounds-03
FORMULA_NAME Champagne-PT-H07T0R-UpperBounds-04
FORMULA_NAME Champagne-PT-H07T0R-UpperBounds-05
FORMULA_NAME Champagne-PT-H07T0R-UpperBounds-06
FORMULA_NAME Champagne-PT-H07T0R-UpperBounds-07
FORMULA_NAME Champagne-PT-H07T0R-UpperBounds-08
FORMULA_NAME Champagne-PT-H07T0R-UpperBounds-09
FORMULA_NAME Champagne-PT-H07T0R-UpperBounds-10
FORMULA_NAME Champagne-PT-H07T0R-UpperBounds-11
FORMULA_NAME Champagne-PT-H07T0R-UpperBounds-12
FORMULA_NAME Champagne-PT-H07T0R-UpperBounds-13
FORMULA_NAME Champagne-PT-H07T0R-UpperBounds-14
FORMULA_NAME Champagne-PT-H07T0R-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779501264103

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Champagne-PT-H07T0R
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202604301425
[2026-05-23 01:54:26] [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 01:54:26] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 01:54:27] [INFO ] Load time of PNML (sax parser for PT used): 244 ms
[2026-05-23 01:54:27] [INFO ] Transformed 539 places.
[2026-05-23 01:54:27] [INFO ] Transformed 742 transitions.
[2026-05-23 01:54:27] [INFO ] Found NUPN structural information;
[2026-05-23 01:54:27] [INFO ] Parsed PT model containing 539 places and 742 transitions and 1934 arcs in 505 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 15 ms.
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, 0, 0] Max Struct:[1, 1, 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, 0, 0] Max Struct:[1, 1, 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-12259185018763271954.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3958587030085265265.kers'
[2026-05-23 01:54:27] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12259185018763271954.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3958587030085265265.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 742 rows 539 cols 1934 entries
Finished phase 1 with 512 SingleSign rule and 0 generalized
[2026-05-23 01:54:27] [INFO ] Computed 27 invariants in 5 ms
Computed 27 P flows in 6 ms.
Exported basis to /tmp/petrispot-output-3958587030085265265.kers
Total runtime 8 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 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, 1, 1]
RANDOM walk for 10000 steps (28 resets) in 123 ms. (80 steps per ms)
FORMULA Champagne-PT-H07T0R-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Champagne-PT-H07T0R-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Champagne-PT-H07T0R-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Champagne-PT-H07T0R-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Champagne-PT-H07T0R-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Champagne-PT-H07T0R-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Champagne-PT-H07T0R-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Champagne-PT-H07T0R-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Champagne-PT-H07T0R-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Champagne-PT-H07T0R-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Champagne-PT-H07T0R-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Champagne-PT-H07T0R-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Champagne-PT-H07T0R-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Champagne-PT-H07T0R-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Champagne-PT-H07T0R-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 10001 steps (2 resets) in 18 ms. (526 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1]
[2026-05-23 01:54:27] [INFO ] Invariant cache hit.
[2026-05-23 01:54:28] [INFO ] [Real]Absence check using 27 positive place invariants in 45 ms returned sat
[2026-05-23 01:54:29] [INFO ] [Real]Absence check using state equation in 580 ms returned sat
[2026-05-23 01:54:29] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 01:54:30] [INFO ] [Nat]Absence check using 27 positive place invariants in 41 ms returned sat
[2026-05-23 01:54:30] [INFO ] [Nat]Absence check using state equation in 483 ms returned sat
[2026-05-23 01:54:34] [INFO ] Trap strengthening (SAT) tested/added 9/8 trap constraints in 3696 ms
[2026-05-23 01:54:34] [INFO ] Computed and/alt/rep : 726/2357/726 causal constraints (skipped 15 transitions) in 114 ms.
Maximisation of solution failed !
Minimization took 1 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[1]
Support contains 1 out of 539 places. Attempting structural reductions.
Drop transitions (Removing consumers from one bounded place p442) removed 1 transitions
Starting structural reductions in REACHABILITY mode, iteration 0 : 539/539 places, 741/741 transitions.
Graph (trivial) has 528 edges and 539 vertex of which 65 / 539 are part of one of the 9 SCC in 19 ms
Free SCC test removed 56 places
Drop transitions (Empty/Sink Transition effects.) removed 74 transitions
Reduce isomorphic transitions removed 74 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 219 transitions
Trivial Post-agglo rules discarded 219 transitions
Performed 219 trivial Post agglomeration. Transition count delta: 219
Iterating post reduction 0 with 219 rules applied. Total rules applied 220 place count 483 transition count 448
Reduce places removed 219 places and 0 transitions.
Ensure Unique test removed 25 transitions
Reduce isomorphic transitions removed 25 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 25 transitions
Trivial Post-agglo rules discarded 25 transitions
Performed 25 trivial Post agglomeration. Transition count delta: 25
Iterating post reduction 1 with 269 rules applied. Total rules applied 489 place count 264 transition count 398
Reduce places removed 25 places and 0 transitions.
Iterating post reduction 2 with 25 rules applied. Total rules applied 514 place count 239 transition count 398
Discarding 91 places :
Symmetric choice reduction at 3 with 91 rule applications. Total rules 605 place count 148 transition count 307
Iterating global reduction 3 with 91 rules applied. Total rules applied 696 place count 148 transition count 307
Performed 27 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 27 Pre rules applied. Total rules applied 696 place count 148 transition count 280
Deduced a syphon composed of 27 places in 1 ms
Reduce places removed 27 places and 0 transitions.
Iterating global reduction 3 with 54 rules applied. Total rules applied 750 place count 121 transition count 280
Discarding 20 places :
Symmetric choice reduction at 3 with 20 rule applications. Total rules 770 place count 101 transition count 187
Iterating global reduction 3 with 20 rules applied. Total rules applied 790 place count 101 transition count 187
Ensure Unique test removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Iterating post reduction 3 with 20 rules applied. Total rules applied 810 place count 101 transition count 167
Performed 25 Post agglomeration using F-continuation condition.Transition count delta: 25
Deduced a syphon composed of 25 places in 0 ms
Reduce places removed 25 places and 0 transitions.
Iterating global reduction 4 with 50 rules applied. Total rules applied 860 place count 76 transition count 142
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -6
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 4 with 4 rules applied. Total rules applied 864 place count 74 transition count 148
Drop transitions (Empty/Sink Transition effects.) removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 4 with 4 rules applied. Total rules applied 868 place count 74 transition count 144
Drop transitions (Redundant composition of simpler transitions.) removed 4 transitions
Redundant transition composition rules discarded 4 transitions
Iterating global reduction 5 with 4 rules applied. Total rules applied 872 place count 74 transition count 140
Free-agglomeration rule applied 43 times.
Iterating global reduction 5 with 43 rules applied. Total rules applied 915 place count 74 transition count 97
Reduce places removed 43 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 89 transitions
Reduce isomorphic transitions removed 89 transitions.
Iterating post reduction 5 with 132 rules applied. Total rules applied 1047 place count 31 transition count 8
Ensure Unique test removed 21 places
Iterating post reduction 6 with 21 rules applied. Total rules applied 1068 place count 10 transition count 8
Applied a total of 1068 rules in 244 ms. Remains 10 /539 variables (removed 529) and now considering 8/741 (removed 733) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 278 ms. Remains : 10/539 places, 8/741 transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-17386073860862357844.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14893400432729404877.kers'
[2026-05-23 01:54:35] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17386073860862357844.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14893400432729404877.kers]
Normalized transition count is 6 out of 8 initially.
Culling duplicate invariants (modulo rational): removing 3 columns.
Culled 3 columns in 0 ms.
// Phase 1: matrix 6 rows 7 cols 20 entries
Finished phase 1 with 4 SingleSign rule and 0 generalized
[2026-05-23 01:54:35] [INFO ] Computed 6 invariants in 0 ms
Computed 6 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-14893400432729404877.kers
Total runtime 1 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[1]
RANDOM walk for 1000000 steps (199996 resets) in 977 ms. (1022 steps per ms)
FORMULA Champagne-PT-H07T0R-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 1000001 steps (90885 resets) in 525 ms. (1901 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[] Max Struct:[]
All properties solved without resorting to model-checking.
Total runtime 10071 ms.

BK_STOP 1779501276794

--------------------
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="Champagne-PT-H07T0R"
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 Champagne-PT-H07T0R, 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-177946901000077"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Champagne-PT-H07T0R.tgz
mv Champagne-PT-H07T0R 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 ;