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.r175-smll-177961111800066.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 gold2025
Input is LeafsetExtension-PT-S64C2, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r175-smll-177961111800066
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 14M
-rw-r--r-- 1 mcc users 14K Mar 7 16:52 CTLCardinality.txt
-rw-r--r-- 1 mcc users 90K Mar 7 16:52 CTLCardinality.xml
-rw-r--r-- 1 mcc users 9.7K Mar 7 16:52 CTLFireability.txt
-rw-r--r-- 1 mcc users 53K Mar 7 16:52 CTLFireability.xml
-rw-r--r-- 1 mcc users 7.2K Mar 15 11:16 LTLCardinality.txt
-rw-r--r-- 1 mcc users 33K Mar 15 11:16 LTLCardinality.xml
-rw-r--r-- 1 mcc users 4.7K Mar 15 11:16 LTLFireability.txt
-rw-r--r-- 1 mcc users 22K Mar 15 11:16 LTLFireability.xml
-rw-r--r-- 1 mcc users 24K Mar 7 16:52 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 144K Mar 7 16:52 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 15K Mar 7 16:52 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 64K Mar 7 16:52 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 11:16 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.3K Mar 15 11:16 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 14M 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 LeafsetExtension-PT-S64C2-UpperBounds-00
FORMULA_NAME LeafsetExtension-PT-S64C2-UpperBounds-01
FORMULA_NAME LeafsetExtension-PT-S64C2-UpperBounds-02
FORMULA_NAME LeafsetExtension-PT-S64C2-UpperBounds-03
FORMULA_NAME LeafsetExtension-PT-S64C2-UpperBounds-04
FORMULA_NAME LeafsetExtension-PT-S64C2-UpperBounds-05
FORMULA_NAME LeafsetExtension-PT-S64C2-UpperBounds-06
FORMULA_NAME LeafsetExtension-PT-S64C2-UpperBounds-07
FORMULA_NAME LeafsetExtension-PT-S64C2-UpperBounds-08
FORMULA_NAME LeafsetExtension-PT-S64C2-UpperBounds-09
FORMULA_NAME LeafsetExtension-PT-S64C2-UpperBounds-10
FORMULA_NAME LeafsetExtension-PT-S64C2-UpperBounds-11
FORMULA_NAME LeafsetExtension-PT-S64C2-UpperBounds-12
FORMULA_NAME LeafsetExtension-PT-S64C2-UpperBounds-13
FORMULA_NAME LeafsetExtension-PT-S64C2-UpperBounds-14
FORMULA_NAME LeafsetExtension-PT-S64C2-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779753590072

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=LeafsetExtension-PT-S64C2
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2026-05-25 23:59:52] [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 23:59:52] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 23:59:53] [INFO ] Load time of PNML (sax parser for PT used): 1239 ms
[2026-05-25 23:59:54] [INFO ] Transformed 21462 places.
[2026-05-25 23:59:54] [INFO ] Transformed 21129 transitions.
[2026-05-25 23:59:54] [INFO ] Parsed PT model containing 21462 places and 21129 transitions and 67740 arcs in 1582 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 21 ms.
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
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:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
// Phase 1: matrix 21129 rows 21462 cols
[2026-05-25 23:59:58] [INFO ] Computed 333 invariants in 3660 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, +inf, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
RANDOM walk for 10000 steps (549 resets) in 357 ms. (27 steps per ms)
FORMULA LeafsetExtension-PT-S64C2-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA LeafsetExtension-PT-S64C2-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA LeafsetExtension-PT-S64C2-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA LeafsetExtension-PT-S64C2-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA LeafsetExtension-PT-S64C2-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA LeafsetExtension-PT-S64C2-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA LeafsetExtension-PT-S64C2-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 90009 steps (226 resets) in 239 ms. (375 steps per ms)
FORMULA LeafsetExtension-PT-S64C2-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, +inf, 1, 1, 1, 1, 1, 1]
[2026-05-25 23:59:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, +inf, 1, 1, 1, 1, 1, 1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, +inf, 1, 1, 1, 1, 1, 1]
Support contains 8 out of 21462 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 21462/21462 places, 21129/21129 transitions.
Graph (complete) has 42457 edges and 21462 vertex of which 395 are kept as prefixes of interest. Removing 21067 places using SCC suffix rule.39 ms
Discarding 21067 places :
Also discarding 15115 output transitions
Drop transitions (Output transitions of discarded places.) removed 15115 transitions
Drop transitions (Empty/Sink Transition effects.) removed 4406 transitions
Reduce isomorphic transitions removed 4406 transitions.
Discarding 2 places :
Implicit places reduction removed 2 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 128 transitions
Trivial Post-agglo rules discarded 128 transitions
Performed 128 trivial Post agglomeration. Transition count delta: 128
Iterating post reduction 0 with 4536 rules applied. Total rules applied 4537 place count 393 transition count 1480
Reduce places removed 132 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 102 transitions
Reduce isomorphic transitions removed 102 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 4 transitions
Trivial Post-agglo rules discarded 4 transitions
Performed 4 trivial Post agglomeration. Transition count delta: 4
Iterating post reduction 1 with 238 rules applied. Total rules applied 4775 place count 261 transition count 1374
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 4779 place count 257 transition count 1374
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 6 Pre rules applied. Total rules applied 4779 place count 257 transition count 1368
Deduced a syphon composed of 6 places in 1 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 3 with 12 rules applied. Total rules applied 4791 place count 251 transition count 1368
Drop transitions (Redundant composition of simpler transitions.) removed 34 transitions
Redundant transition composition rules discarded 34 transitions
Iterating global reduction 3 with 34 rules applied. Total rules applied 4825 place count 251 transition count 1334
Free-agglomeration rule applied 1 times.
Iterating global reduction 3 with 1 rules applied. Total rules applied 4826 place count 251 transition count 1333
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 4827 place count 250 transition count 1333
Free-agglomeration rule (complex) applied 2 times.
Iterating global reduction 4 with 2 rules applied. Total rules applied 4829 place count 250 transition count 1331
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 4 with 2 rules applied. Total rules applied 4831 place count 248 transition count 1331
Partial Free-agglomeration rule applied 124 times.
Drop transitions (Partial Free agglomeration) removed 124 transitions
Iterating global reduction 5 with 124 rules applied. Total rules applied 4955 place count 248 transition count 1331
Discarding 4 places :
Implicit places reduction removed 4 places
Iterating post reduction 5 with 4 rules applied. Total rules applied 4959 place count 244 transition count 1331
Free-agglomeration rule (complex) applied 4 times.
Iterating global reduction 6 with 4 rules applied. Total rules applied 4963 place count 244 transition count 1327
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 6 with 4 rules applied. Total rules applied 4967 place count 240 transition count 1327
Applied a total of 4967 rules in 508 ms. Remains 240 /21462 variables (removed 21222) and now considering 1327/21129 (removed 19802) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 521 ms. Remains : 240/21462 places, 1327/21129 transitions.
[2026-05-26 00:00:33] [INFO ] Flow matrix only has 334 transitions (discarded 993 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
When looking for a positive semi flow solution, solver replied unsat
[2026-05-26 00:00:34] [INFO ] Flow matrix only has 334 transitions (discarded 993 similar events)
// Phase 1: matrix 334 rows 240 cols
[2026-05-26 00:00:34] [INFO ] Computed 2 invariants in 9 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, +inf, 1, 1, 1, 1, 1, 1]
RANDOM walk for 1000000 steps (196702 resets) in 5773 ms. (173 steps per ms)
FORMULA LeafsetExtension-PT-S64C2-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA LeafsetExtension-PT-S64C2-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA LeafsetExtension-PT-S64C2-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA LeafsetExtension-PT-S64C2-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA LeafsetExtension-PT-S64C2-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA LeafsetExtension-PT-S64C2-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA LeafsetExtension-PT-S64C2-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 1000001 steps (12069 resets) in 1259 ms. (793 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[+inf]
[2026-05-26 00:00:41] [INFO ] Flow matrix only has 334 transitions (discarded 993 similar events)
[2026-05-26 00:00:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-26 00:00:41] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 4 ms returned sat
[2026-05-26 00:00:41] [INFO ] [Real]Absence check using state equation in 60 ms returned unsat
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[1]
FORMULA LeafsetExtension-PT-S64C2-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[] Max Struct:[]
RANDOM walk for 0 steps (0 resets) in 4 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 )
[2026-05-26 00:00:41] [INFO ] Flatten gal took : 218 ms
[2026-05-26 00:00:41] [INFO ] Flatten gal took : 217 ms
[2026-05-26 00:00:42] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14684287421561484497.gal : 71 ms
[2026-05-26 00:00:42] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9551408798226467068.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/ReachabilityCardinality14684287421561484497.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9551408798226467068.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 49537 ms.

BK_STOP 1779753642157

--------------------
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="LeafsetExtension-PT-S64C2"
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 LeafsetExtension-PT-S64C2, 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 r175-smll-177961111800066"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/LeafsetExtension-PT-S64C2.tgz
mv LeafsetExtension-PT-S64C2 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 ;