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.r194-tall-177969914000349.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 NoC3x3-PT-6B, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r194-tall-177969914000349
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 984K
-rw-r--r-- 1 mcc users 7.2K Mar 8 06:42 CTLCardinality.txt
-rw-r--r-- 1 mcc users 77K Mar 8 06:42 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.4K Mar 8 06:42 CTLFireability.txt
-rw-r--r-- 1 mcc users 61K Mar 8 06:42 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 16 08:15 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Mar 16 08:15 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 16 08:15 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 16 08:15 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Mar 8 06:42 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 116K Mar 8 06:42 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.7K Mar 8 06:42 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 52K Mar 8 06:42 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 16 08:15 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 16 08:15 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 552K 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 NoC3x3-PT-6B-UpperBounds-00
FORMULA_NAME NoC3x3-PT-6B-UpperBounds-01
FORMULA_NAME NoC3x3-PT-6B-UpperBounds-02
FORMULA_NAME NoC3x3-PT-6B-UpperBounds-03
FORMULA_NAME NoC3x3-PT-6B-UpperBounds-04
FORMULA_NAME NoC3x3-PT-6B-UpperBounds-05
FORMULA_NAME NoC3x3-PT-6B-UpperBounds-06
FORMULA_NAME NoC3x3-PT-6B-UpperBounds-07
FORMULA_NAME NoC3x3-PT-6B-UpperBounds-08
FORMULA_NAME NoC3x3-PT-6B-UpperBounds-09
FORMULA_NAME NoC3x3-PT-6B-UpperBounds-10
FORMULA_NAME NoC3x3-PT-6B-UpperBounds-11
FORMULA_NAME NoC3x3-PT-6B-UpperBounds-12
FORMULA_NAME NoC3x3-PT-6B-UpperBounds-13
FORMULA_NAME NoC3x3-PT-6B-UpperBounds-14
FORMULA_NAME NoC3x3-PT-6B-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779761500187

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=NoC3x3-PT-6B
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202604301425
[2026-05-26 02:11:41] [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]
[2026-05-26 02:11:41] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-26 02:11:41] [INFO ] Load time of PNML (sax parser for PT used): 141 ms
[2026-05-26 02:11:41] [INFO ] Transformed 1544 places.
[2026-05-26 02:11:41] [INFO ] Transformed 2229 transitions.
[2026-05-26 02:11:41] [INFO ] Found NUPN structural information;
[2026-05-26 02:11:41] [INFO ] Parsed PT model containing 1544 places and 2229 transitions and 6663 arcs in 250 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 6 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-13442043137700035839.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-99697412906711702.kers'
[2026-05-26 02:11:41] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13442043137700035839.kers, --Pflows, --basisKERS=/tmp/petrispot-output-99697412906711702.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 2229 rows 1544 cols 6663 entries
Finished phase 1 with 1478 SingleSign rule and 0 generalized
[2026-05-26 02:11:41] [INFO ] Computed 66 invariants in 11 ms
Computed 66 P flows in 12 ms.
Exported basis to /tmp/petrispot-output-99697412906711702.kers
Total runtime 14 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 (22 resets) in 65 ms. (151 steps per ms)
FORMULA NoC3x3-PT-6B-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA NoC3x3-PT-6B-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA NoC3x3-PT-6B-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA NoC3x3-PT-6B-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA NoC3x3-PT-6B-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA NoC3x3-PT-6B-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA NoC3x3-PT-6B-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA NoC3x3-PT-6B-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA NoC3x3-PT-6B-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA NoC3x3-PT-6B-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA NoC3x3-PT-6B-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA NoC3x3-PT-6B-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA NoC3x3-PT-6B-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA NoC3x3-PT-6B-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 30003 steps (9 resets) in 47 ms. (625 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0] Max Struct:[1, 1]
[2026-05-26 02:11:41] [INFO ] Invariant cache hit.
[2026-05-26 02:11:42] [INFO ] [Real]Absence check using 66 positive place invariants in 59 ms returned sat
[2026-05-26 02:11:43] [INFO ] [Real]Absence check using state equation in 684 ms returned sat
[2026-05-26 02:11:43] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 02:11:43] [INFO ] [Nat]Absence check using 66 positive place invariants in 64 ms returned sat
[2026-05-26 02:11:44] [INFO ] [Nat]Absence check using state equation in 690 ms returned sat
[2026-05-26 02:11:44] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 409 ms
[2026-05-26 02:11:44] [INFO ] Computed and/alt/rep : 2062/7621/2062 causal constraints (skipped 166 transitions) in 91 ms.
Maximisation of solution failed !
Minimization took 4 ms.
[2026-05-26 02:11:48] [INFO ] [Real]Absence check using 66 positive place invariants in 52 ms returned sat
[2026-05-26 02:11:49] [INFO ] [Real]Absence check using state equation in 598 ms returned sat
[2026-05-26 02:11:49] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 02:11:49] [INFO ] [Nat]Absence check using 66 positive place invariants in 56 ms returned sat
[2026-05-26 02:11:50] [INFO ] [Nat]Absence check using state equation in 693 ms returned sat
[2026-05-26 02:11:50] [INFO ] Computed and/alt/rep : 2062/7621/2062 causal constraints (skipped 166 transitions) in 103 ms.
Maximisation of solution failed !
Minimization took 0 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0] Max Struct:[1, 1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0] Max Struct:[1, 1]
Support contains 2 out of 1544 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1544/1544 places, 2229/2229 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 227 transitions
Trivial Post-agglo rules discarded 227 transitions
Performed 227 trivial Post agglomeration. Transition count delta: 227
Iterating post reduction 0 with 227 rules applied. Total rules applied 227 place count 1544 transition count 2002
Reduce places removed 227 places and 0 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Iterating post reduction 1 with 229 rules applied. Total rules applied 456 place count 1317 transition count 2000
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 458 place count 1315 transition count 2000
Performed 64 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 64 Pre rules applied. Total rules applied 458 place count 1315 transition count 1936
Deduced a syphon composed of 64 places in 4 ms
Reduce places removed 64 places and 0 transitions.
Iterating global reduction 3 with 128 rules applied. Total rules applied 586 place count 1251 transition count 1936
Discarding 273 places :
Symmetric choice reduction at 3 with 273 rule applications. Total rules 859 place count 978 transition count 1663
Iterating global reduction 3 with 273 rules applied. Total rules applied 1132 place count 978 transition count 1663
Performed 34 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 34 Pre rules applied. Total rules applied 1132 place count 978 transition count 1629
Deduced a syphon composed of 34 places in 9 ms
Reduce places removed 34 places and 0 transitions.
Iterating global reduction 3 with 68 rules applied. Total rules applied 1200 place count 944 transition count 1629
Discarding 111 places :
Symmetric choice reduction at 3 with 111 rule applications. Total rules 1311 place count 833 transition count 1273
Iterating global reduction 3 with 111 rules applied. Total rules applied 1422 place count 833 transition count 1273
Discarding 56 places :
Symmetric choice reduction at 3 with 56 rule applications. Total rules 1478 place count 777 transition count 1158
Iterating global reduction 3 with 56 rules applied. Total rules applied 1534 place count 777 transition count 1158
Discarding 25 places :
Symmetric choice reduction at 3 with 25 rule applications. Total rules 1559 place count 752 transition count 1108
Iterating global reduction 3 with 25 rules applied. Total rules applied 1584 place count 752 transition count 1108
Discarding 17 places :
Symmetric choice reduction at 3 with 17 rule applications. Total rules 1601 place count 735 transition count 1072
Iterating global reduction 3 with 17 rules applied. Total rules applied 1618 place count 735 transition count 1072
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 1622 place count 731 transition count 1064
Iterating global reduction 3 with 4 rules applied. Total rules applied 1626 place count 731 transition count 1064
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 1630 place count 727 transition count 1056
Iterating global reduction 3 with 4 rules applied. Total rules applied 1634 place count 727 transition count 1056
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 3 with 4 rules applied. Total rules applied 1638 place count 727 transition count 1052
Performed 154 Post agglomeration using F-continuation condition.Transition count delta: 154
Deduced a syphon composed of 154 places in 0 ms
Reduce places removed 154 places and 0 transitions.
Iterating global reduction 4 with 308 rules applied. Total rules applied 1946 place count 573 transition count 898
Performed 101 Post agglomeration using F-continuation condition.Transition count delta: -30
Deduced a syphon composed of 101 places in 1 ms
Reduce places removed 101 places and 0 transitions.
Iterating global reduction 4 with 202 rules applied. Total rules applied 2148 place count 472 transition count 928
Performed 37 Post agglomeration using F-continuation condition.Transition count delta: -15
Deduced a syphon composed of 37 places in 1 ms
Reduce places removed 37 places and 0 transitions.
Iterating global reduction 4 with 74 rules applied. Total rules applied 2222 place count 435 transition count 943
Drop transitions (Redundant composition of simpler transitions.) removed 24 transitions
Redundant transition composition rules discarded 24 transitions
Iterating global reduction 4 with 24 rules applied. Total rules applied 2246 place count 435 transition count 919
Free-agglomeration rule applied 25 times.
Iterating global reduction 4 with 25 rules applied. Total rules applied 2271 place count 435 transition count 894
Reduce places removed 25 places and 0 transitions.
Ensure Unique test removed 14 transitions
Reduce isomorphic transitions removed 14 transitions.
Iterating post reduction 4 with 39 rules applied. Total rules applied 2310 place count 410 transition count 880
Applied a total of 2310 rules in 603 ms. Remains 410 /1544 variables (removed 1134) and now considering 880/2229 (removed 1349) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 615 ms. Remains : 410/1544 places, 880/2229 transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-16792758476574483129.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10537002777532439928.kers'
[2026-05-26 02:11:54] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16792758476574483129.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10537002777532439928.kers]
Culling duplicate invariants (modulo rational): removing 9 columns.
Culled 9 columns in 0 ms.
// Phase 1: matrix 880 rows 401 cols 3836 entries
Finished phase 1 with 328 SingleSign rule and 16 generalized
[2026-05-26 02:11:54] [INFO ] Computed 66 invariants in 3 ms
Computed 66 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-10537002777532439928.kers
Total runtime 4 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0] Max Struct:[1, 1]
RANDOM walk for 1000000 steps (6906 resets) in 4130 ms. (242 steps per ms)
FORMULA NoC3x3-PT-6B-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA NoC3x3-PT-6B-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 1000001 steps (347 resets) in 1139 ms. (877 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[] Max Struct:[]
All properties solved without resorting to model-checking.
Total runtime 18782 ms.

BK_STOP 1779761520113

--------------------
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="NoC3x3-PT-6B"
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 NoC3x3-PT-6B, 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 r194-tall-177969914000349"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/NoC3x3-PT-6B.tgz
mv NoC3x3-PT-6B 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 ;