About the Execution of 2025-gold for Diffusion2D-PT-D05N250
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.r111-tall-177955700800006.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 Diffusion2D-PT-D05N250, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r111-tall-177955700800006
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 524K
-rw-r--r-- 1 mcc users 7.9K Mar 6 16:03 CTLCardinality.txt
-rw-r--r-- 1 mcc users 75K Mar 6 16:03 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.8K Mar 6 16:03 CTLFireability.txt
-rw-r--r-- 1 mcc users 45K Mar 6 16:03 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 4.6K Mar 15 09:02 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Mar 15 09:02 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.6K Mar 15 09:02 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 09:02 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K Mar 6 16:03 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 127K Mar 6 16:03 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Mar 6 16:03 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 79K Mar 6 16:03 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 15 09:02 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 09:02 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 8 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 55K 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 Diffusion2D-PT-D05N250-UpperBounds-00
FORMULA_NAME Diffusion2D-PT-D05N250-UpperBounds-01
FORMULA_NAME Diffusion2D-PT-D05N250-UpperBounds-02
FORMULA_NAME Diffusion2D-PT-D05N250-UpperBounds-03
FORMULA_NAME Diffusion2D-PT-D05N250-UpperBounds-04
FORMULA_NAME Diffusion2D-PT-D05N250-UpperBounds-05
FORMULA_NAME Diffusion2D-PT-D05N250-UpperBounds-06
FORMULA_NAME Diffusion2D-PT-D05N250-UpperBounds-07
FORMULA_NAME Diffusion2D-PT-D05N250-UpperBounds-08
FORMULA_NAME Diffusion2D-PT-D05N250-UpperBounds-09
FORMULA_NAME Diffusion2D-PT-D05N250-UpperBounds-10
FORMULA_NAME Diffusion2D-PT-D05N250-UpperBounds-11
FORMULA_NAME Diffusion2D-PT-D05N250-UpperBounds-12
FORMULA_NAME Diffusion2D-PT-D05N250-UpperBounds-13
FORMULA_NAME Diffusion2D-PT-D05N250-UpperBounds-14
FORMULA_NAME Diffusion2D-PT-D05N250-UpperBounds-15
=== Now, execution of the tool begins
BK_START 1779627415805
Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Diffusion2D-PT-D05N250
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2026-05-24 12:56:57] [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]
[2026-05-24 12:56:57] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 12:56:57] [INFO ] Load time of PNML (sax parser for PT used): 55 ms
[2026-05-24 12:56:57] [INFO ] Transformed 25 places.
[2026-05-24 12:56:57] [INFO ] Transformed 144 transitions.
[2026-05-24 12:56:57] [INFO ] Parsed PT model containing 25 places and 144 transitions and 288 arcs in 142 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 7 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 144 rows 25 cols
[2026-05-24 12:56:57] [INFO ] Computed 1 invariants in 9 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:[250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250, 250]
RANDOM walk for 10041 steps (2 resets) in 9 ms. (1004 steps per ms)
FORMULA Diffusion2D-PT-D05N250-UpperBounds-14 250 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D05N250-UpperBounds-12 250 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D05N250-UpperBounds-10 250 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D05N250-UpperBounds-09 250 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D05N250-UpperBounds-07 250 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D05N250-UpperBounds-06 250 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D05N250-UpperBounds-05 250 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D05N250-UpperBounds-04 250 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D05N250-UpperBounds-03 250 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D05N250-UpperBounds-00 250 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 60005 steps (12 resets) in 57 ms. (1034 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2, 7, 16, 6, 14, 7] Max Struct:[250, 250, 250, 250, 250, 250]
[2026-05-24 12:56:57] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:56:57] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2026-05-24 12:56:57] [INFO ] [Real]Absence check using state equation in 70 ms returned sat
[2026-05-24 12:56:57] [INFO ] Computed and/alt/rep : 136/848/136 causal constraints (skipped 0 transitions) in 19 ms.
[2026-05-24 12:56:57] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:56:57] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-24 12:56:57] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2026-05-24 12:56:57] [INFO ] Computed and/alt/rep : 136/848/136 causal constraints (skipped 0 transitions) in 16 ms.
[2026-05-24 12:56:58] [INFO ] Added : 129 causal constraints over 26 iterations in 467 ms. Result :sat
Minimization took 139 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:56:58] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-24 12:56:58] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2026-05-24 12:56:58] [INFO ] Computed and/alt/rep : 136/848/136 causal constraints (skipped 0 transitions) in 11 ms.
[2026-05-24 12:56:58] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:56:58] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2026-05-24 12:56:58] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2026-05-24 12:56:58] [INFO ] Computed and/alt/rep : 136/848/136 causal constraints (skipped 0 transitions) in 8 ms.
[2026-05-24 12:56:59] [INFO ] Added : 128 causal constraints over 26 iterations in 382 ms. Result :sat
Minimization took 78 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:56:59] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-24 12:56:59] [INFO ] [Real]Absence check using state equation in 25 ms returned sat
[2026-05-24 12:56:59] [INFO ] Computed and/alt/rep : 136/848/136 causal constraints (skipped 0 transitions) in 12 ms.
[2026-05-24 12:56:59] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:56:59] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-24 12:56:59] [INFO ] [Nat]Absence check using state equation in 23 ms returned sat
[2026-05-24 12:56:59] [INFO ] Computed and/alt/rep : 136/848/136 causal constraints (skipped 0 transitions) in 10 ms.
[2026-05-24 12:56:59] [INFO ] Added : 128 causal constraints over 26 iterations in 408 ms. Result :sat
Minimization took 76 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:56:59] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-24 12:56:59] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2026-05-24 12:56:59] [INFO ] Computed and/alt/rep : 136/848/136 causal constraints (skipped 0 transitions) in 14 ms.
[2026-05-24 12:56:59] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:56:59] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-24 12:56:59] [INFO ] [Nat]Absence check using state equation in 22 ms returned sat
[2026-05-24 12:57:00] [INFO ] Computed and/alt/rep : 136/848/136 causal constraints (skipped 0 transitions) in 10 ms.
[2026-05-24 12:57:00] [INFO ] Added : 128 causal constraints over 26 iterations in 400 ms. Result :sat
Minimization took 73 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:57:00] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-24 12:57:00] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2026-05-24 12:57:00] [INFO ] Computed and/alt/rep : 136/848/136 causal constraints (skipped 0 transitions) in 10 ms.
[2026-05-24 12:57:00] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:57:00] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-24 12:57:00] [INFO ] [Nat]Absence check using state equation in 22 ms returned sat
[2026-05-24 12:57:00] [INFO ] Computed and/alt/rep : 136/848/136 causal constraints (skipped 0 transitions) in 8 ms.
[2026-05-24 12:57:01] [INFO ] Added : 128 causal constraints over 26 iterations in 458 ms. Result :sat
Minimization took 90 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:57:01] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-24 12:57:01] [INFO ] [Real]Absence check using state equation in 19 ms returned sat
[2026-05-24 12:57:01] [INFO ] Computed and/alt/rep : 136/848/136 causal constraints (skipped 0 transitions) in 10 ms.
[2026-05-24 12:57:01] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:57:01] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-24 12:57:01] [INFO ] [Nat]Absence check using state equation in 23 ms returned sat
[2026-05-24 12:57:01] [INFO ] Computed and/alt/rep : 136/848/136 causal constraints (skipped 0 transitions) in 9 ms.
[2026-05-24 12:57:01] [INFO ] Added : 128 causal constraints over 26 iterations in 400 ms. Result :sat
Minimization took 92 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2, 7, 16, 6, 14, 7] Max Struct:[250, 250, 250, 250, 250, 250]
FORMULA Diffusion2D-PT-D05N250-UpperBounds-15 250 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA Diffusion2D-PT-D05N250-UpperBounds-13 250 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA Diffusion2D-PT-D05N250-UpperBounds-11 250 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA Diffusion2D-PT-D05N250-UpperBounds-08 250 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA Diffusion2D-PT-D05N250-UpperBounds-02 250 TECHNIQUES TOPOLOGICAL PARIKH_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[250] Max Struct:[250]
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 144/144 transitions.
Graph (trivial) has 134 edges and 25 vertex of which 24 / 25 are part of one of the 1 SCC in 2 ms
Free SCC test removed 23 places
Drop transitions (Empty/Sink Transition effects.) removed 134 transitions
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 142 transitions.
Applied a total of 1 rules in 19 ms. Remains 2 /25 variables (removed 23) and now considering 2/144 (removed 142) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 25 ms. Remains : 2/25 places, 2/144 transitions.
// Phase 1: matrix 2 rows 2 cols
[2026-05-24 12:57:03] [INFO ] Computed 1 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[250] Max Struct:[250]
FORMULA Diffusion2D-PT-D05N250-UpperBounds-01 250 TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 1000080 steps (2 resets) in 91 ms. (10870 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 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 )
[2026-05-24 12:57:03] [INFO ] Flatten gal took : 107 ms
[2026-05-24 12:57:03] [INFO ] Flatten gal took : 0 ms
[2026-05-24 12:57:03] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality15776404739367417643.gal : 3 ms
[2026-05-24 12:57:03] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality13289214858036397761.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/ReachabilityCardinality15776404739367417643.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality13289214858036397761.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 6258 ms.
BK_STOP 1779627423574
--------------------
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="Diffusion2D-PT-D05N250"
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 Diffusion2D-PT-D05N250, 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 r111-tall-177955700800006"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/Diffusion2D-PT-D05N250.tgz
mv Diffusion2D-PT-D05N250 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 '
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 ;
