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.r095-smll-177946996300009.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 DatabaseWithMutex-PT-20, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r095-smll-177946996300009
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 18M
-rw-r--r-- 1 mcc users 436K Mar 5 14:37 CTLCardinality.txt
-rw-r--r-- 1 mcc users 1.9M Mar 5 14:37 CTLCardinality.xml
-rw-r--r-- 1 mcc users 550K Mar 5 14:36 CTLFireability.txt
-rw-r--r-- 1 mcc users 2.6M Mar 5 14:36 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 274K Mar 15 08:44 LTLCardinality.txt
-rw-r--r-- 1 mcc users 873K Mar 15 08:44 LTLCardinality.xml
-rw-r--r-- 1 mcc users 177K Mar 15 08:44 LTLFireability.txt
-rw-r--r-- 1 mcc users 657K Mar 15 08:44 LTLFireability.xml
-rw-r--r-- 1 mcc users 449K Mar 5 14:39 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 1.9M Mar 5 14:39 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 828K Mar 5 14:38 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 4.0M Mar 5 14:38 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 32K Mar 15 08:44 UpperBounds.txt
-rw-r--r-- 1 mcc users 76K Mar 15 08:44 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 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 2.7M 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 DatabaseWithMutex-PT-20-UpperBounds-00
FORMULA_NAME DatabaseWithMutex-PT-20-UpperBounds-01
FORMULA_NAME DatabaseWithMutex-PT-20-UpperBounds-02
FORMULA_NAME DatabaseWithMutex-PT-20-UpperBounds-03
FORMULA_NAME DatabaseWithMutex-PT-20-UpperBounds-04
FORMULA_NAME DatabaseWithMutex-PT-20-UpperBounds-05
FORMULA_NAME DatabaseWithMutex-PT-20-UpperBounds-06
FORMULA_NAME DatabaseWithMutex-PT-20-UpperBounds-07
FORMULA_NAME DatabaseWithMutex-PT-20-UpperBounds-08
FORMULA_NAME DatabaseWithMutex-PT-20-UpperBounds-09
FORMULA_NAME DatabaseWithMutex-PT-20-UpperBounds-10
FORMULA_NAME DatabaseWithMutex-PT-20-UpperBounds-11
FORMULA_NAME DatabaseWithMutex-PT-20-UpperBounds-12
FORMULA_NAME DatabaseWithMutex-PT-20-UpperBounds-13
FORMULA_NAME DatabaseWithMutex-PT-20-UpperBounds-14
FORMULA_NAME DatabaseWithMutex-PT-20-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779521446002

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DatabaseWithMutex-PT-20
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2026-05-23 07:30:48] [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]
[2026-05-23 07:30:48] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 07:30:49] [INFO ] Load time of PNML (sax parser for PT used): 602 ms
[2026-05-23 07:30:49] [INFO ] Transformed 3260 places.
[2026-05-23 07:30:49] [INFO ] Transformed 3200 transitions.
[2026-05-23 07:30:49] [INFO ] Found NUPN structural information;
[2026-05-23 07:30:49] [INFO ] Parsed PT model containing 3260 places and 3200 transitions and 23200 arcs in 850 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 25 ms.
Reduction of identical properties reduced properties to check from 16 to 14
Current structural bounds on expressions (Initiallly, because the net is safe) : Max Seen:[20, 0, 20, 0, 0, 0, 1, 1, 0, 0, 0, 0, 1, 0] Max Struct:[20, 400, 20, 400, 400, 400, 1, 1, 1, 1, 1, 1, 1, 1]
FORMULA DatabaseWithMutex-PT-20-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DatabaseWithMutex-PT-20-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DatabaseWithMutex-PT-20-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DatabaseWithMutex-PT-20-UpperBounds-07 20 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DatabaseWithMutex-PT-20-UpperBounds-02 20 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DatabaseWithMutex-PT-20-UpperBounds-00 20 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[400, 400, 400, 400, 1, 1, 1, 1, 1]
// Phase 1: matrix 3200 rows 3260 cols
[2026-05-23 07:30:50] [INFO ] Computed 460 invariants in 289 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[400, 400, 400, 400, 1, 1, 1, 1, 1]
RANDOM walk for 10000 steps (2 resets) in 1225 ms. (8 steps per ms)
FORMULA DatabaseWithMutex-PT-20-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DatabaseWithMutex-PT-20-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DatabaseWithMutex-PT-20-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DatabaseWithMutex-PT-20-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DatabaseWithMutex-PT-20-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 807 ms. (49 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[170, 105, 7, 14] Max Struct:[400, 400, 400, 400]
[2026-05-23 07:30:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 07:30:54] [INFO ] [Real]Absence check using 78 positive place invariants in 214 ms returned sat
[2026-05-23 07:30:54] [INFO ] [Real]Absence check using 78 positive and 382 generalized place invariants in 502 ms returned sat
[2026-05-23 07:30:57] [INFO ] [Real]Absence check using state equation in 2656 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 07:30:58] [INFO ] [Real]Absence check using 78 positive place invariants in 130 ms returned sat
[2026-05-23 07:30:59] [INFO ] [Real]Absence check using 78 positive and 382 generalized place invariants in 701 ms returned sat
[2026-05-23 07:31:02] [INFO ] [Real]Absence check using state equation in 3126 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 07:31:03] [INFO ] [Real]Absence check using 78 positive place invariants in 141 ms returned sat
[2026-05-23 07:31:03] [INFO ] [Real]Absence check using 78 positive and 382 generalized place invariants in 529 ms returned sat
[2026-05-23 07:31:07] [INFO ] [Real]Absence check using state equation in 3384 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 07:31:08] [INFO ] [Real]Absence check using 78 positive place invariants in 136 ms returned sat
[2026-05-23 07:31:09] [INFO ] [Real]Absence check using 78 positive and 382 generalized place invariants in 810 ms returned sat
[2026-05-23 07:31:12] [INFO ] [Real]Absence check using state equation in 3182 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[170, 105, 7, 14] Max Struct:[400, 400, 400, 400]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[170, 105, 7, 14] Max Struct:[400, 400, 400, 400]
Support contains 1600 out of 3260 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 3260/3260 places, 3200/3200 transitions.
Performed 400 Post agglomeration using F-continuation condition.Transition count delta: 400
Iterating post reduction 0 with 400 rules applied. Total rules applied 400 place count 3260 transition count 2800
Reduce places removed 420 places and 0 transitions.
Performed 400 Post agglomeration using F-continuation condition.Transition count delta: 400
Iterating post reduction 1 with 820 rules applied. Total rules applied 1220 place count 2840 transition count 2400
Reduce places removed 400 places and 0 transitions.
Iterating post reduction 2 with 400 rules applied. Total rules applied 1620 place count 2440 transition count 2400
Free-agglomeration rule applied 400 times.
Iterating global reduction 3 with 400 rules applied. Total rules applied 2020 place count 2440 transition count 2000
Reduce places removed 400 places and 0 transitions.
Iterating post reduction 3 with 400 rules applied. Total rules applied 2420 place count 2040 transition count 2000
Applied a total of 2420 rules in 1179 ms. Remains 2040 /3260 variables (removed 1220) and now considering 2000/3200 (removed 1200) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1196 ms. Remains : 2040/3260 places, 2000/3200 transitions.
// Phase 1: matrix 2000 rows 2040 cols
[2026-05-23 07:31:13] [INFO ] Computed 440 invariants in 62 ms
Current structural bounds on expressions (after invariants) : Max Seen:[170, 105, 7, 14] Max Struct:[400, 400, 400, 400]
RANDOM walk for 298697 steps (0 resets) in 30001 ms. (9 steps per ms)
BEST_FIRST walk for 928256 steps (1 resets) in 20007 ms. (46 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[380, 380, 20, 20] Max Struct:[400, 400, 400, 400]
[2026-05-23 07:32:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 07:32:04] [INFO ] [Real]Absence check using 58 positive place invariants in 122 ms returned sat
[2026-05-23 07:32:05] [INFO ] [Real]Absence check using 58 positive and 382 generalized place invariants in 1168 ms returned unsat
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 07:32:06] [INFO ] [Real]Absence check using 58 positive place invariants in 82 ms returned sat
[2026-05-23 07:32:07] [INFO ] [Real]Absence check using 58 positive and 382 generalized place invariants in 1155 ms returned unsat
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 07:32:07] [INFO ] [Real]Absence check using 58 positive place invariants in 84 ms returned sat
[2026-05-23 07:32:08] [INFO ] [Real]Absence check using 58 positive and 382 generalized place invariants in 237 ms returned unsat
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 07:32:08] [INFO ] [Real]Absence check using 58 positive place invariants in 77 ms returned sat
[2026-05-23 07:32:09] [INFO ] [Real]Absence check using 58 positive and 382 generalized place invariants in 684 ms returned unsat
Current structural bounds on expressions (after SMT) : Max Seen:[380, 380, 20, 20] Max Struct:[380, 380, 20, 20]
FORMULA DatabaseWithMutex-PT-20-UpperBounds-06 20 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA DatabaseWithMutex-PT-20-UpperBounds-04 20 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA DatabaseWithMutex-PT-20-UpperBounds-05 380 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA DatabaseWithMutex-PT-20-UpperBounds-03 380 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA DatabaseWithMutex-PT-20-UpperBounds-01 380 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 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 )
[2026-05-23 07:32:10] [INFO ] Flatten gal took : 628 ms
[2026-05-23 07:32:10] [INFO ] Flatten gal took : 252 ms
[2026-05-23 07:32:10] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14447914198268687619.gal : 139 ms
[2026-05-23 07:32:11] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12320058700155394535.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/ReachabilityCardinality14447914198268687619.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12320058700155394535.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 82447 ms.

BK_STOP 1779521531161

--------------------
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="DatabaseWithMutex-PT-20"
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 DatabaseWithMutex-PT-20, 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 r095-smll-177946996300009"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DatabaseWithMutex-PT-20.tgz
mv DatabaseWithMutex-PT-20 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 ;