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-177969919700044.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-6B, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r207-tall-177969919700044
=====================================================================

--------------------
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 1779719448885

Invoking MCC driver with
GOLD_TOOL=
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 202505121319
[2026-05-25 14:30:50] [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 14:30:50] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 14:30:50] [INFO ] Load time of PNML (sax parser for PT used): 137 ms
[2026-05-25 14:30:50] [INFO ] Transformed 1544 places.
[2026-05-25 14:30:50] [INFO ] Transformed 2229 transitions.
[2026-05-25 14:30:50] [INFO ] Found NUPN structural information;
[2026-05-25 14:30:50] [INFO ] Parsed PT model containing 1544 places and 2229 transitions and 6663 arcs in 259 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 10 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]
// Phase 1: matrix 2229 rows 1544 cols
[2026-05-25 14:30:50] [INFO ] Computed 66 invariants in 42 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 (23 resets) in 67 ms. (147 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-13 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-02 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
BEST_FIRST walk for 10001 steps (2 resets) in 16 ms. (588 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1]
[2026-05-25 14:30:50] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 14:30:51] [INFO ] [Real]Absence check using 66 positive place invariants in 65 ms returned sat
[2026-05-25 14:30:51] [INFO ] [Real]Absence check using state equation in 654 ms returned sat
[2026-05-25 14:30:52] [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 14:30:52] [INFO ] [Nat]Absence check using 66 positive place invariants in 58 ms returned sat
[2026-05-25 14:30:52] [INFO ] [Nat]Absence check using state equation in 636 ms returned sat
[2026-05-25 14:30:53] [INFO ] Computed and/alt/rep : 2062/7621/2062 causal constraints (skipped 166 transitions) in 119 ms.
0timeout
^^^^^^^^
(error "Invalid token: 0timeout")
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 1544 places. Attempting structural reductions.
Drop transitions (Removing consumers from one bounded place p772) removed 1 transitions
Starting structural reductions in REACHABILITY mode, iteration 0 : 1544/1544 places, 2228/2228 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 228 transitions
Trivial Post-agglo rules discarded 228 transitions
Performed 228 trivial Post agglomeration. Transition count delta: 228
Iterating post reduction 0 with 229 rules applied. Total rules applied 229 place count 1543 transition count 1999
Reduce places removed 228 places and 0 transitions.
Iterating post reduction 1 with 228 rules applied. Total rules applied 457 place count 1315 transition count 1999
Performed 65 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 65 Pre rules applied. Total rules applied 457 place count 1315 transition count 1934
Deduced a syphon composed of 65 places in 7 ms
Reduce places removed 65 places and 0 transitions.
Iterating global reduction 2 with 130 rules applied. Total rules applied 587 place count 1250 transition count 1934
Discarding 273 places :
Symmetric choice reduction at 2 with 273 rule applications. Total rules 860 place count 977 transition count 1661
Iterating global reduction 2 with 273 rules applied. Total rules applied 1133 place count 977 transition count 1661
Performed 34 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 34 Pre rules applied. Total rules applied 1133 place count 977 transition count 1627
Deduced a syphon composed of 34 places in 10 ms
Reduce places removed 34 places and 0 transitions.
Iterating global reduction 2 with 68 rules applied. Total rules applied 1201 place count 943 transition count 1627
Discarding 110 places :
Symmetric choice reduction at 2 with 110 rule applications. Total rules 1311 place count 833 transition count 1272
Iterating global reduction 2 with 110 rules applied. Total rules applied 1421 place count 833 transition count 1272
Discarding 54 places :
Symmetric choice reduction at 2 with 54 rule applications. Total rules 1475 place count 779 transition count 1161
Iterating global reduction 2 with 54 rules applied. Total rules applied 1529 place count 779 transition count 1161
Discarding 25 places :
Symmetric choice reduction at 2 with 25 rule applications. Total rules 1554 place count 754 transition count 1111
Iterating global reduction 2 with 25 rules applied. Total rules applied 1579 place count 754 transition count 1111
Discarding 17 places :
Symmetric choice reduction at 2 with 17 rule applications. Total rules 1596 place count 737 transition count 1075
Iterating global reduction 2 with 17 rules applied. Total rules applied 1613 place count 737 transition count 1075
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 1617 place count 733 transition count 1067
Iterating global reduction 2 with 4 rules applied. Total rules applied 1621 place count 733 transition count 1067
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 1625 place count 729 transition count 1059
Iterating global reduction 2 with 4 rules applied. Total rules applied 1629 place count 729 transition count 1059
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 1633 place count 729 transition count 1055
Performed 154 Post agglomeration using F-continuation condition.Transition count delta: 154
Deduced a syphon composed of 154 places in 1 ms
Reduce places removed 154 places and 0 transitions.
Iterating global reduction 3 with 308 rules applied. Total rules applied 1941 place count 575 transition count 901
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 1943 place count 573 transition count 897
Iterating global reduction 3 with 2 rules applied. Total rules applied 1945 place count 573 transition count 897
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 3 with 202 rules applied. Total rules applied 2147 place count 472 transition count 927
Performed 38 Post agglomeration using F-continuation condition.Transition count delta: -15
Deduced a syphon composed of 38 places in 1 ms
Reduce places removed 38 places and 0 transitions.
Iterating global reduction 3 with 76 rules applied. Total rules applied 2223 place count 434 transition count 942
Drop transitions (Redundant composition of simpler transitions.) removed 24 transitions
Redundant transition composition rules discarded 24 transitions
Iterating global reduction 3 with 24 rules applied. Total rules applied 2247 place count 434 transition count 918
Free-agglomeration rule applied 25 times.
Iterating global reduction 3 with 25 rules applied. Total rules applied 2272 place count 434 transition count 893
Reduce places removed 25 places and 0 transitions.
Ensure Unique test removed 14 transitions
Reduce isomorphic transitions removed 14 transitions.
Iterating post reduction 3 with 39 rules applied. Total rules applied 2311 place count 409 transition count 879
Applied a total of 2311 rules in 592 ms. Remains 409 /1544 variables (removed 1135) and now considering 879/2228 (removed 1349) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 600 ms. Remains : 409/1544 places, 879/2228 transitions.
// Phase 1: matrix 879 rows 409 cols
[2026-05-25 14:30:57] [INFO ] Computed 66 invariants in 10 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[1]
RANDOM walk for 1000000 steps (6883 resets) in 3989 ms. (250 steps per ms)
FORMULA NoC3x3-PT-6B-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 1000001 steps (350 resets) in 1100 ms. (908 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[] Max Struct:[]
RANDOM walk for 0 steps (0 resets) in 5 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 14:31:03] [INFO ] Flatten gal took : 118 ms
[2026-05-25 14:31:03] [INFO ] Flatten gal took : 74 ms
[2026-05-25 14:31:03] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14969787519957974409.gal : 30 ms
[2026-05-25 14:31:03] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality15170624046750126819.prop : 1 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/ReachabilityCardinality14969787519957974409.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality15170624046750126819.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 13040 ms.

BK_STOP 1779719463245

--------------------
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_1.0.0.202505121319.jar
+ 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-6B"
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-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 r207-tall-177969919700044"
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 ;