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.r207-tall-177969919700041.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 gold2025
Input is NoC3x3-PT-5A, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r207-tall-177969919700041
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 664K
-rw-r--r-- 1 mcc users 6.5K Mar 8 06:40 CTLCardinality.txt
-rw-r--r-- 1 mcc users 67K Mar 8 06:40 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.0K Mar 8 06:40 CTLFireability.txt
-rw-r--r-- 1 mcc users 43K Mar 8 06:40 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.4K Mar 16 08:14 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Mar 16 08:14 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 16 08:14 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Mar 16 08:14 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.5K Mar 8 06:40 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 101K Mar 8 06:40 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.5K Mar 8 06:40 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 73K Mar 8 06:40 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.5K Mar 16 08:14 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 16 08:14 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 NoC3x3-PT-5A-UpperBounds-00
FORMULA_NAME NoC3x3-PT-5A-UpperBounds-01
FORMULA_NAME NoC3x3-PT-5A-UpperBounds-02
FORMULA_NAME NoC3x3-PT-5A-UpperBounds-03
FORMULA_NAME NoC3x3-PT-5A-UpperBounds-04
FORMULA_NAME NoC3x3-PT-5A-UpperBounds-05
FORMULA_NAME NoC3x3-PT-5A-UpperBounds-06
FORMULA_NAME NoC3x3-PT-5A-UpperBounds-07
FORMULA_NAME NoC3x3-PT-5A-UpperBounds-08
FORMULA_NAME NoC3x3-PT-5A-UpperBounds-09
FORMULA_NAME NoC3x3-PT-5A-UpperBounds-10
FORMULA_NAME NoC3x3-PT-5A-UpperBounds-11
FORMULA_NAME NoC3x3-PT-5A-UpperBounds-12
FORMULA_NAME NoC3x3-PT-5A-UpperBounds-13
FORMULA_NAME NoC3x3-PT-5A-UpperBounds-14
FORMULA_NAME NoC3x3-PT-5A-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779719411855

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=NoC3x3-PT-5A
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2026-05-25 14:30:13] [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]
[2026-05-25 14:30:13] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 14:30:13] [INFO ] Load time of PNML (sax parser for PT used): 103 ms
[2026-05-25 14:30:13] [INFO ] Transformed 417 places.
[2026-05-25 14:30:13] [INFO ] Transformed 933 transitions.
[2026-05-25 14:30:13] [INFO ] Found NUPN structural information;
[2026-05-25 14:30:13] [INFO ] Parsed PT model containing 417 places and 933 transitions and 3585 arcs in 193 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]
[2026-05-25 14:30:13] [INFO ] Flow matrix only has 851 transitions (discarded 82 similar events)
// Phase 1: matrix 851 rows 417 cols
[2026-05-25 14:30:13] [INFO ] Computed 66 invariants in 22 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 (2 resets) in 88 ms. (112 steps per ms)
FORMULA NoC3x3-PT-5A-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA NoC3x3-PT-5A-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA NoC3x3-PT-5A-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA NoC3x3-PT-5A-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA NoC3x3-PT-5A-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA NoC3x3-PT-5A-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA NoC3x3-PT-5A-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA NoC3x3-PT-5A-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA NoC3x3-PT-5A-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA NoC3x3-PT-5A-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA NoC3x3-PT-5A-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA NoC3x3-PT-5A-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA NoC3x3-PT-5A-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA NoC3x3-PT-5A-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA NoC3x3-PT-5A-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 10001 steps (2 resets) in 23 ms. (416 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1]
[2026-05-25 14:30:13] [INFO ] Flow matrix only has 851 transitions (discarded 82 similar events)
[2026-05-25 14:30:13] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 14:30:13] [INFO ] [Real]Absence check using 66 positive place invariants in 25 ms returned sat
[2026-05-25 14:30:14] [INFO ] [Real]Absence check using state equation in 194 ms returned sat
[2026-05-25 14:30:14] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 14:30:14] [INFO ] [Nat]Absence check using 66 positive place invariants in 19 ms returned sat
[2026-05-25 14:30:14] [INFO ] [Nat]Absence check using state equation in 201 ms returned sat
[2026-05-25 14:30:14] [INFO ] State equation strengthened by 32 read => feed constraints.
[2026-05-25 14:30:14] [INFO ] [Nat]Added 32 Read/Feed constraints in 22 ms returned sat
[2026-05-25 14:30:14] [INFO ] Computed and/alt/rep : 657/3928/647 causal constraints (skipped 203 transitions) in 64 ms.
[2026-05-25 14:30:19] [INFO ] Added : 225 causal constraints over 45 iterations in 4587 ms. Result :unknown
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[1]
Support contains 1 out of 417 places. Attempting structural reductions.
Drop transitions (Removing consumers from one bounded place p274) removed 3 transitions
Starting structural reductions in REACHABILITY mode, iteration 0 : 417/417 places, 930/930 transitions.
Discarding 79 places :
Symmetric choice reduction at 0 with 79 rule applications. Total rules 79 place count 338 transition count 741
Iterating global reduction 0 with 79 rules applied. Total rules applied 158 place count 338 transition count 741
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 162 place count 334 transition count 725
Iterating global reduction 0 with 4 rules applied. Total rules applied 166 place count 334 transition count 725
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 0 with 8 rules applied. Total rules applied 174 place count 334 transition count 717
Drop transitions (Redundant composition of simpler transitions.) removed 18 transitions
Redundant transition composition rules discarded 18 transitions
Iterating global reduction 1 with 18 rules applied. Total rules applied 192 place count 334 transition count 699
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 194 place count 332 transition count 699
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 196 place count 330 transition count 693
Iterating global reduction 2 with 2 rules applied. Total rules applied 198 place count 330 transition count 693
Partial Free-agglomeration rule applied 56 times.
Drop transitions (Partial Free agglomeration) removed 56 transitions
Iterating global reduction 2 with 56 rules applied. Total rules applied 254 place count 330 transition count 693
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 2 with 1 rules applied. Total rules applied 255 place count 329 transition count 692
Reduce places removed 7 places and 0 transitions.
Iterating post reduction 2 with 7 rules applied. Total rules applied 262 place count 322 transition count 692
Applied a total of 262 rules in 143 ms. Remains 322 /417 variables (removed 95) and now considering 692/930 (removed 238) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 150 ms. Remains : 322/417 places, 692/930 transitions.
// Phase 1: matrix 692 rows 322 cols
[2026-05-25 14:30:19] [INFO ] Computed 57 invariants in 4 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[1]
FORMULA NoC3x3-PT-5A-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 1000000 steps (3 resets) in 2363 ms. (423 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:[]
RANDOM walk for 0 steps (0 resets) in 6 ms. (0 steps per ms) remains 0/0 properties
Finished probabilistic random walk after 0 steps, run visited all 0 properties in 0 ms. (steps per millisecond=0 )
[2026-05-25 14:30:22] [INFO ] Flatten gal took : 103 ms
[2026-05-25 14:30:22] [INFO ] Flatten gal took : 47 ms
[2026-05-25 14:30:22] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16730131234589940278.gal : 25 ms
[2026-05-25 14:30:22] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7623685619789511820.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality16730131234589940278.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7623685619789511820.prop' '--nowitness' '--gen-order' 'FOLLOW'

ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[] Max Struct:[]
All properties solved without resorting to model-checking.
Total runtime 9190 ms.

BK_STOP 1779719422376

--------------------
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//
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
++ perl -pe 's/.*\.//g'
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /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-5A"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="gold2025"
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 gold2025"
echo " Input is NoC3x3-PT-5A, 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 r207-tall-177969919700041"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/NoC3x3-PT-5A.tgz
mv NoC3x3-PT-5A 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 ;