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.r079-tall-177946972300098.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 CSRepetitions-PT-10, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r079-tall-177946972300098
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 19M
-rw-r--r-- 1 mcc users 630K Mar 6 18:13 CTLCardinality.txt
-rw-r--r-- 1 mcc users 2.2M Mar 6 18:13 CTLCardinality.xml
-rw-r--r-- 1 mcc users 524K Mar 6 18:12 CTLFireability.txt
-rw-r--r-- 1 mcc users 2.1M Mar 6 18:12 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 180K Mar 15 08:42 LTLCardinality.txt
-rw-r--r-- 1 mcc users 451K Mar 15 08:42 LTLCardinality.xml
-rw-r--r-- 1 mcc users 220K Mar 15 08:42 LTLFireability.txt
-rw-r--r-- 1 mcc users 691K Mar 15 08:42 LTLFireability.xml
-rw-r--r-- 1 mcc users 680K Mar 6 18:15 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 2.4M Mar 6 18:15 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 1.5M Mar 6 18:15 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 5.9M Mar 6 18:15 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 34K Mar 15 08:42 UpperBounds.txt
-rw-r--r-- 1 mcc users 67K Mar 15 08:42 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 1.2M 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 CSRepetitions-PT-10-UpperBounds-00
FORMULA_NAME CSRepetitions-PT-10-UpperBounds-01
FORMULA_NAME CSRepetitions-PT-10-UpperBounds-02
FORMULA_NAME CSRepetitions-PT-10-UpperBounds-03
FORMULA_NAME CSRepetitions-PT-10-UpperBounds-04
FORMULA_NAME CSRepetitions-PT-10-UpperBounds-05
FORMULA_NAME CSRepetitions-PT-10-UpperBounds-06
FORMULA_NAME CSRepetitions-PT-10-UpperBounds-07
FORMULA_NAME CSRepetitions-PT-10-UpperBounds-08
FORMULA_NAME CSRepetitions-PT-10-UpperBounds-09
FORMULA_NAME CSRepetitions-PT-10-UpperBounds-10
FORMULA_NAME CSRepetitions-PT-10-UpperBounds-11
FORMULA_NAME CSRepetitions-PT-10-UpperBounds-12
FORMULA_NAME CSRepetitions-PT-10-UpperBounds-13
FORMULA_NAME CSRepetitions-PT-10-UpperBounds-14
FORMULA_NAME CSRepetitions-PT-10-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779557106257

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=CSRepetitions-PT-10
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2026-05-23 17:25:07] [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 17:25:07] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 17:25:07] [INFO ] Load time of PNML (sax parser for PT used): 144 ms
[2026-05-23 17:25:07] [INFO ] Transformed 1311 places.
[2026-05-23 17:25:07] [INFO ] Transformed 2300 transitions.
[2026-05-23 17:25:07] [INFO ] Parsed PT model containing 1311 places and 2300 transitions and 8700 arcs in 235 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 13 ms.
Reduction of identical properties reduced properties to check from 16 to 13
Current structural bounds on expressions (Initially) : Max Seen:[100, 0, 10, 0, 0, 10, 0, 1, 0, 0, 0, 1, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[100, 0, 10, 0, 0, 10, 0, 1, 0, 0, 0, 1, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
// Phase 1: matrix 2300 rows 1311 cols
[2026-05-23 17:25:07] [INFO ] Computed 110 invariants in 65 ms
Current structural bounds on expressions (after invariants) : Max Seen:[100, 0, 10, 0, 0, 10, 0, 1, 0, 0, 0, 1, 0] Max Struct:[100, 100, +inf, 1000, +inf, 10, 1, 1, 1, +inf, 1, 1, +inf]
FORMULA CSRepetitions-PT-10-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CSRepetitions-PT-10-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CSRepetitions-PT-10-UpperBounds-07 10 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CSRepetitions-PT-10-UpperBounds-02 100 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CSRepetitions-PT-10-UpperBounds-03 100 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CSRepetitions-PT-10-UpperBounds-00 100 TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 10000 steps (51 resets) in 418 ms. (23 steps per ms)
FORMULA CSRepetitions-PT-10-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CSRepetitions-PT-10-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CSRepetitions-PT-10-UpperBounds-01 100 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 60006 steps (12 resets) in 382 ms. (156 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[10, 10, 10, 0, 10, 10] Max Struct:[+inf, 1000, +inf, 1, +inf, +inf]
[2026-05-23 17:25:08] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:25:09] [INFO ] [Real]Absence check using 110 positive place invariants in 36 ms returned sat
[2026-05-23 17:25:09] [INFO ] [Real]Absence check using state equation in 520 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:25:09] [INFO ] [Real]Absence check using 110 positive place invariants in 38 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:25:09] [INFO ] [Real]Absence check using 110 positive place invariants in 29 ms returned sat
[2026-05-23 17:25:10] [INFO ] [Real]Absence check using state equation in 516 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:25:10] [INFO ] [Real]Absence check using 110 positive place invariants in 28 ms returned sat
[2026-05-23 17:25:11] [INFO ] [Real]Absence check using state equation in 479 ms returned sat
[2026-05-23 17:25:11] [INFO ] State equation strengthened by 100 read => feed constraints.
[2026-05-23 17:25:11] [INFO ] [Real]Added 100 Read/Feed constraints in 19 ms returned sat
[2026-05-23 17:25:11] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:25:11] [INFO ] [Nat]Absence check using 110 positive place invariants in 30 ms returned sat
[2026-05-23 17:25:12] [INFO ] [Nat]Absence check using state equation in 452 ms returned sat
[2026-05-23 17:25:12] [INFO ] [Nat]Added 100 Read/Feed constraints in 12 ms returned sat
[2026-05-23 17:25:12] [INFO ] Computed and/alt/rep : 2200/3200/2200 causal constraints (skipped 0 transitions) in 104 ms.
[2026-05-23 17:25:12] [INFO ] Added : 2 causal constraints over 1 iterations in 348 ms. Result :sat
Minimization took 609 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:25:13] [INFO ] [Real]Absence check using 110 positive place invariants in 36 ms returned sat
[2026-05-23 17:25:13] [INFO ] [Real]Absence check using state equation in 450 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:25:13] [INFO ] [Real]Absence check using 110 positive place invariants in 28 ms returned sat
[2026-05-23 17:25:14] [INFO ] [Real]Absence check using state equation in 479 ms returned unsat
Current structural bounds on expressions (after SMT) : Max Seen:[10, 10, 10, 0, 10, 10] Max Struct:[10, 10, 10, 1, 10, 10]
FORMULA CSRepetitions-PT-10-UpperBounds-15 10 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA CSRepetitions-PT-10-UpperBounds-11 10 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA CSRepetitions-PT-10-UpperBounds-06 10 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA CSRepetitions-PT-10-UpperBounds-05 10 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA CSRepetitions-PT-10-UpperBounds-14 10 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA CSRepetitions-PT-10-UpperBounds-04 10 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[1]
Support contains 1 out of 1311 places. Attempting structural reductions.
Drop transitions (Removing consumers from one bounded place Server_Anwering_19_6) removed 1 transitions
Starting structural reductions in REACHABILITY mode, iteration 0 : 1311/1311 places, 2299/2299 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 100 transitions
Reduce isomorphic transitions removed 100 transitions.
Iterating post reduction 0 with 100 rules applied. Total rules applied 100 place count 1311 transition count 2199
Performed 100 Post agglomeration using F-continuation condition.Transition count delta: 100
Deduced a syphon composed of 100 places in 3 ms
Reduce places removed 200 places and 0 transitions.
Iterating global reduction 1 with 300 rules applied. Total rules applied 400 place count 1111 transition count 2099
Discarding 989 places :
Symmetric choice reduction at 1 with 989 rule applications. Total rules 1389 place count 122 transition count 1110
Iterating global reduction 1 with 989 rules applied. Total rules applied 2378 place count 122 transition count 1110
Discarding 90 places :
Symmetric choice reduction at 1 with 90 rule applications. Total rules 2468 place count 32 transition count 210
Iterating global reduction 1 with 90 rules applied. Total rules applied 2558 place count 32 transition count 210
Ensure Unique test removed 90 transitions
Reduce isomorphic transitions removed 90 transitions.
Iterating post reduction 1 with 90 rules applied. Total rules applied 2648 place count 32 transition count 120
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: 10
Deduced a syphon composed of 10 places in 1 ms
Reduce places removed 19 places and 0 transitions.
Iterating global reduction 2 with 29 rules applied. Total rules applied 2677 place count 13 transition count 110
Ensure Unique test removed 80 transitions
Reduce isomorphic transitions removed 80 transitions.
Graph (trivial) has 20 edges and 13 vertex of which 11 / 13 are part of one of the 1 SCC in 1 ms
Free SCC test removed 10 places
Iterating post reduction 2 with 81 rules applied. Total rules applied 2758 place count 3 transition count 30
Reduce places removed 1 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 29 transitions
Reduce isomorphic transitions removed 29 transitions.
Iterating post reduction 3 with 30 rules applied. Total rules applied 2788 place count 2 transition count 1
Applied a total of 2788 rules in 296 ms. Remains 2 /1311 variables (removed 1309) and now considering 1/2299 (removed 2298) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 301 ms. Remains : 2/1311 places, 1/2299 transitions.
// Phase 1: matrix 1 rows 2 cols
[2026-05-23 17:25:14] [INFO ] Computed 1 invariants in 0 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[1]
RANDOM walk for 1000000 steps (500000 resets) in 192 ms. (5181 steps per ms)
FORMULA CSRepetitions-PT-10-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 1000000 steps (500000 resets) in 286 ms. (3484 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 )
[2026-05-23 17:25:15] [INFO ] Flatten gal took : 108 ms
[2026-05-23 17:25:15] [INFO ] Flatten gal took : 1 ms
[2026-05-23 17:25:15] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3778274525125509086.gal : 2 ms
[2026-05-23 17:25:15] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality766697263575551345.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/ReachabilityCardinality3778274525125509086.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality766697263575551345.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 7902 ms.

BK_STOP 1779557115459

--------------------
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
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
++ sed s/.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="CSRepetitions-PT-10"
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 CSRepetitions-PT-10, 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 r079-tall-177946972300098"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CSRepetitions-PT-10.tgz
mv CSRepetitions-PT-10 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 ;