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.r144-smll-177955812500167.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 FireWire-PT-16, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r144-smll-177955812500167
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 580K
-rw-r--r-- 1 mcc users 8.6K Mar 7 05:19 CTLCardinality.txt
-rw-r--r-- 1 mcc users 96K Mar 7 05:19 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.0K Mar 7 05:19 CTLFireability.txt
-rw-r--r-- 1 mcc users 59K Mar 7 05:19 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.5K Mar 15 10:08 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Mar 15 10:08 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 15 10:08 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 10:08 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Mar 7 05:19 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 125K Mar 7 05:19 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 10K Mar 7 05:19 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 92K Mar 7 05:19 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 10:08 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 15 10:08 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 84K 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 booleans
BOOL_VECTOR

FORMULA_NAME QuasiLiveness

=== Now, execution of the tool begins

BK_START 1779633214114

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=FireWire-PT-16
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202505121319
[2026-05-24 14:33:36] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2026-05-24 14:33:36] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 14:33:37] [INFO ] Load time of PNML (sax parser for PT used): 177 ms
[2026-05-24 14:33:37] [INFO ] Transformed 254 places.
[2026-05-24 14:33:37] [INFO ] Transformed 368 transitions.
[2026-05-24 14:33:37] [INFO ] Found NUPN structural information;
[2026-05-24 14:33:37] [INFO ] Parsed PT model containing 254 places and 368 transitions and 1032 arcs in 403 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 254/254 places, 368/368 transitions.
Graph (trivial) has 218 edges and 254 vertex of which 19 / 254 are part of one of the 3 SCC in 9 ms
Free SCC test removed 16 places
Ensure Unique test removed 17 transitions
Reduce isomorphic transitions removed 17 transitions.
Reduce places removed 3 places and 0 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 75 transitions
Trivial Post-agglo rules discarded 75 transitions
Performed 75 trivial Post agglomeration. Transition count delta: 75
Iterating post reduction 0 with 78 rules applied. Total rules applied 79 place count 235 transition count 276
Reduce places removed 75 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 1 with 78 rules applied. Total rules applied 157 place count 160 transition count 273
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 159 place count 158 transition count 273
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 3 Pre rules applied. Total rules applied 159 place count 158 transition count 270
Deduced a syphon composed of 3 places in 5 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 3 with 6 rules applied. Total rules applied 165 place count 155 transition count 270
Performed 54 Post agglomeration using F-continuation condition.Transition count delta: 54
Deduced a syphon composed of 54 places in 2 ms
Reduce places removed 54 places and 0 transitions.
Iterating global reduction 3 with 108 rules applied. Total rules applied 273 place count 101 transition count 216
Performed 18 Post agglomeration using F-continuation condition.Transition count delta: -101
Deduced a syphon composed of 18 places in 2 ms
Reduce places removed 18 places and 0 transitions.
Iterating global reduction 3 with 36 rules applied. Total rules applied 309 place count 83 transition count 317
Applied a total of 309 rules in 161 ms. Remains 83 /254 variables (removed 171) and now considering 317/368 (removed 51) transitions.
[2026-05-24 14:33:37] [INFO ] Flow matrix only has 301 transitions (discarded 16 similar events)
// Phase 1: matrix 301 rows 83 cols
[2026-05-24 14:33:37] [INFO ] Computed 4 invariants in 34 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 14:33:38] [INFO ] Implicit Places using invariants in 576 ms returned []
[2026-05-24 14:33:38] [INFO ] Flow matrix only has 301 transitions (discarded 16 similar events)
[2026-05-24 14:33:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 14:33:38] [INFO ] State equation strengthened by 45 read => feed constraints.
[2026-05-24 14:33:38] [INFO ] Implicit Places using invariants and state equation in 662 ms returned []
Implicit Place search using SMT with State Equation took 1311 ms to find 0 implicit places.
Running 313 sub problems to find dead transitions.
[2026-05-24 14:33:38] [INFO ] Flow matrix only has 301 transitions (discarded 16 similar events)
[2026-05-24 14:33:38] [INFO ] Invariant cache hit.
[2026-05-24 14:33:38] [INFO ] State equation strengthened by 45 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/82 variables, 82/82 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/82 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 2 (OVERLAPS) 1/83 variables, 4/86 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/83 variables, 1/87 constraints. Problems are: Problem set: 0 solved, 313 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:33:45] [INFO ] Deduced a trap composed of 41 places in 191 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:33:45] [INFO ] Deduced a trap composed of 23 places in 171 ms of which 21 ms to minimize.
Problem TDEAD33 is UNSAT
Problem TDEAD34 is UNSAT
Problem TDEAD37 is UNSAT
Problem TDEAD38 is UNSAT
Problem TDEAD39 is UNSAT
Problem TDEAD40 is UNSAT
Problem TDEAD41 is UNSAT
Problem TDEAD52 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:33:46] [INFO ] Deduced a trap composed of 31 places in 147 ms of which 11 ms to minimize.
Problem TDEAD59 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:33:46] [INFO ] Deduced a trap composed of 52 places in 152 ms of which 10 ms to minimize.
Problem TDEAD65 is UNSAT
Problem TDEAD124 is UNSAT
Problem TDEAD125 is UNSAT
At refinement iteration 4 (INCLUDED_ONLY) 0/83 variables, 4/91 constraints. Problems are: Problem set: 12 solved, 301 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/83 variables, 0/91 constraints. Problems are: Problem set: 12 solved, 301 unsolved
At refinement iteration 6 (OVERLAPS) 300/383 variables, 83/174 constraints. Problems are: Problem set: 12 solved, 301 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/383 variables, 44/218 constraints. Problems are: Problem set: 12 solved, 301 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/383 variables, 0/218 constraints. Problems are: Problem set: 12 solved, 301 unsolved
At refinement iteration 9 (OVERLAPS) 1/384 variables, 1/219 constraints. Problems are: Problem set: 12 solved, 301 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:34:00] [INFO ] Deduced a trap composed of 42 places in 160 ms of which 10 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/384 variables, 1/220 constraints. Problems are: Problem set: 12 solved, 301 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:34:01] [INFO ] Deduced a trap composed of 41 places in 88 ms of which 6 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/384 variables, 1/221 constraints. Problems are: Problem set: 12 solved, 301 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/384 variables, 0/221 constraints. Problems are: Problem set: 12 solved, 301 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 384/384 variables, and 221 constraints, problems are : Problem set: 12 solved, 301 unsolved in 30068 ms.
Refiners :[Domain max(s): 83/83 constraints, Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 83/83 constraints, ReadFeed: 45/45 constraints, PredecessorRefiner: 313/313 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 12 solved, 301 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/82 variables, 82/82 constraints. Problems are: Problem set: 12 solved, 301 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/82 variables, 0/82 constraints. Problems are: Problem set: 12 solved, 301 unsolved
At refinement iteration 2 (OVERLAPS) 1/83 variables, 4/86 constraints. Problems are: Problem set: 12 solved, 301 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/83 variables, 1/87 constraints. Problems are: Problem set: 12 solved, 301 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/83 variables, 6/93 constraints. Problems are: Problem set: 12 solved, 301 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/83 variables, 0/93 constraints. Problems are: Problem set: 12 solved, 301 unsolved
At refinement iteration 6 (OVERLAPS) 300/383 variables, 83/176 constraints. Problems are: Problem set: 12 solved, 301 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/383 variables, 44/220 constraints. Problems are: Problem set: 12 solved, 301 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/383 variables, 301/521 constraints. Problems are: Problem set: 12 solved, 301 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:34:21] [INFO ] Deduced a trap composed of 37 places in 310 ms of which 23 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/383 variables, 1/522 constraints. Problems are: Problem set: 12 solved, 301 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 383/384 variables, and 522 constraints, problems are : Problem set: 12 solved, 301 unsolved in 30022 ms.
Refiners :[Domain max(s): 83/83 constraints, Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 83/83 constraints, ReadFeed: 44/45 constraints, PredecessorRefiner: 301/313 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60660ms problems are : Problem set: 12 solved, 301 unsolved
Search for dead transitions found 12 dead transitions in 60746ms
Found 12 dead transitions using SMT.
FORMULA QuasiLiveness FALSE TECHNIQUES STRUCTURAL_REDUCTION
Total runtime 62773 ms.

BK_STOP 1779633279547

--------------------
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
+ [[ QuasiLiveness = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution QuasiLiveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800
+ 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 QuasiLiveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800

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="FireWire-PT-16"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="gold2025"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
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 FireWire-PT-16, examination is QuasiLiveness"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r144-smll-177955812500167"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FireWire-PT-16.tgz
mv FireWire-PT-16 execution
cd execution
if [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "UpperBounds" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] || [ "QuasiLiveness" = "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 [ "QuasiLiveness" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "QuasiLiveness" != "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 "QuasiLiveness.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 '' QuasiLiveness.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] ; then
echo "FORMULA_NAME QuasiLiveness"
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 ;