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.r352-smll-178021502300272.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 FileSystem-PT-N03I10B08, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r352-smll-178021502300272
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 804K
-rw-r--r-- 1 mcc users 8.2K May 27 10:19 CTLCardinality.txt
-rw-r--r-- 1 mcc users 76K May 27 10:19 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.1K May 27 10:19 CTLFireability.txt
-rw-r--r-- 1 mcc users 45K May 27 10:19 CTLFireability.xml
-rw-r--r-- 1 mcc users 33K May 27 10:48 LTLCardinality.txt
-rw-r--r-- 1 mcc users 118K May 27 10:48 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.7K May 27 10:48 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 27 10:48 LTLFireability.xml
-rw-r--r-- 1 mcc users 1 May 26 18:17 NewModel
-rw-r--r-- 1 mcc users 16K May 27 10:20 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 144K May 27 10:20 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.8K May 27 10:19 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 76K May 27 10:19 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 5.8K May 27 10:48 UpperBounds.txt
-rw-r--r-- 1 mcc users 14K May 27 10:48 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 26 18:17 equiv_col
-rw-r--r-- 1 mcc users 10 May 26 18:17 instance
-rw-r--r-- 1 mcc users 6 May 26 18:17 iscolored
-rw-r--r-- 1 mcc users 191K Jun 10 11:57 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 1781100353106

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=FileSystem-PT-N03I10B08
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202505121319
[2026-06-10 14:05:55] [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]
[2026-06-10 14:05:55] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-06-10 14:05:56] [INFO ] Load time of PNML (sax parser for PT used): 204 ms
[2026-06-10 14:05:56] [INFO ] Transformed 455 places.
[2026-06-10 14:05:56] [INFO ] Transformed 420 transitions.
[2026-06-10 14:05:56] [INFO ] Parsed PT model containing 455 places and 420 transitions and 1490 arcs in 429 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 455/455 places, 420/420 transitions.
Reduce places removed 90 places and 0 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 10 transitions
Trivial Post-agglo rules discarded 10 transitions
Performed 10 trivial Post agglomeration. Transition count delta: 10
Iterating post reduction 0 with 100 rules applied. Total rules applied 100 place count 365 transition count 410
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 110 place count 355 transition count 410
Performed 160 Post agglomeration using F-continuation condition.Transition count delta: 160
Deduced a syphon composed of 160 places in 3 ms
Reduce places removed 160 places and 0 transitions.
Iterating global reduction 2 with 320 rules applied. Total rules applied 430 place count 195 transition count 250
Applied a total of 430 rules in 144 ms. Remains 195 /455 variables (removed 260) and now considering 250/420 (removed 170) transitions.
// Phase 1: matrix 250 rows 195 cols
[2026-06-10 14:05:56] [INFO ] Computed 18 invariants in 49 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-06-10 14:05:57] [INFO ] Implicit Places using invariants in 910 ms returned []
[2026-06-10 14:05:57] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-06-10 14:05:58] [INFO ] State equation strengthened by 80 read => feed constraints.
[2026-06-10 14:05:59] [INFO ] Implicit Places using invariants and state equation in 2050 ms returned []
Implicit Place search using SMT with State Equation took 3035 ms to find 0 implicit places.
Running 240 sub problems to find dead transitions.
[2026-06-10 14:05:59] [INFO ] Invariant cache hit.
[2026-06-10 14:05:59] [INFO ] State equation strengthened by 80 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/184 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/184 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 2 (OVERLAPS) 11/195 variables, 2/18 constraints. Problems are: Problem set: 0 solved, 240 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-06-10 14:06:05] [INFO ] Deduced a trap composed of 4 places in 264 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-06-10 14:06:05] [INFO ] Deduced a trap composed of 4 places in 66 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-06-10 14:06:05] [INFO ] Deduced a trap composed of 4 places in 45 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-06-10 14:06:06] [INFO ] Deduced a trap composed of 4 places in 75 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-06-10 14:06:06] [INFO ] Deduced a trap composed of 4 places in 77 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-06-10 14:06:06] [INFO ] Deduced a trap composed of 4 places in 98 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-06-10 14:06:07] [INFO ] Deduced a trap composed of 4 places in 105 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-06-10 14:06:07] [INFO ] Deduced a trap composed of 4 places in 136 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-06-10 14:06:07] [INFO ] Deduced a trap composed of 4 places in 121 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-06-10 14:06:07] [INFO ] Deduced a trap composed of 4 places in 177 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-06-10 14:06:07] [INFO ] Deduced a trap composed of 35 places in 214 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-06-10 14:06:08] [INFO ] Deduced a trap composed of 39 places in 202 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-06-10 14:06:08] [INFO ] Deduced a trap composed of 40 places in 198 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-06-10 14:06:09] [INFO ] Deduced a trap composed of 44 places in 204 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-06-10 14:06:09] [INFO ] Deduced a trap composed of 103 places in 240 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-06-10 14:06:09] [INFO ] Deduced a trap composed of 103 places in 140 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-06-10 14:06:09] [INFO ] Deduced a trap composed of 111 places in 144 ms of which 21 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/195 variables, 17/35 constraints. Problems are: Problem set: 0 solved, 240 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-06-10 14:06:12] [INFO ] Deduced a trap composed of 94 places in 210 ms of which 21 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/195 variables, 1/36 constraints. Problems are: Problem set: 0 solved, 240 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-06-10 14:06:15] [INFO ] Deduced a trap composed of 39 places in 203 ms of which 15 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/195 variables, 1/37 constraints. Problems are: Problem set: 0 solved, 240 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-06-10 14:06:17] [INFO ] Deduced a trap composed of 53 places in 159 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-06-10 14:06:17] [INFO ] Deduced a trap composed of 50 places in 126 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-06-10 14:06:17] [INFO ] Deduced a trap composed of 43 places in 230 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-06-10 14:06:18] [INFO ] Deduced a trap composed of 47 places in 202 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-06-10 14:06:18] [INFO ] Deduced a trap composed of 35 places in 189 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-06-10 14:06:18] [INFO ] Deduced a trap composed of 80 places in 211 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-06-10 14:06:19] [INFO ] Deduced a trap composed of 79 places in 198 ms of which 20 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/195 variables, 7/44 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/195 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 8 (OVERLAPS) 250/445 variables, 195/239 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/445 variables, 80/319 constraints. Problems are: Problem set: 0 solved, 240 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 445/445 variables, and 319 constraints, problems are : Problem set: 0 solved, 240 unsolved in 30049 ms.
Refiners :[Positive P Invariants (semi-flows): 18/18 constraints, State Equation: 195/195 constraints, ReadFeed: 80/80 constraints, PredecessorRefiner: 240/240 constraints, Known Traps: 26/26 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 240 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/184 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/184 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 2 (OVERLAPS) 11/195 variables, 2/18 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/195 variables, 26/44 constraints. Problems are: Problem set: 0 solved, 240 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-06-10 14:06:33] [INFO ] Deduced a trap composed of 42 places in 160 ms of which 15 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/195 variables, 1/45 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/195 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 240 unsolved
At refinement iteration 6 (OVERLAPS) 250/445 variables, 195/240 constraints. Problems are: Problem set: 0 solved, 240 unsolved
Problem TDEAD116 is UNSAT
Problem TDEAD117 is UNSAT
Problem TDEAD124 is UNSAT
Problem TDEAD125 is UNSAT
Problem TDEAD126 is UNSAT
Problem TDEAD127 is UNSAT
Problem TDEAD148 is UNSAT
Problem TDEAD149 is UNSAT
Problem TDEAD156 is UNSAT
Problem TDEAD157 is UNSAT
Problem TDEAD158 is UNSAT
Problem TDEAD159 is UNSAT
At refinement iteration 7 (INCLUDED_ONLY) 0/445 variables, 80/320 constraints. Problems are: Problem set: 12 solved, 228 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/445 variables, 228/548 constraints. Problems are: Problem set: 12 solved, 228 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 445/445 variables, and 548 constraints, problems are : Problem set: 12 solved, 228 unsolved in 30026 ms.
Refiners :[Positive P Invariants (semi-flows): 18/18 constraints, State Equation: 195/195 constraints, ReadFeed: 80/80 constraints, PredecessorRefiner: 228/240 constraints, Known Traps: 27/27 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60411ms problems are : Problem set: 12 solved, 228 unsolved
Search for dead transitions found 12 dead transitions in 60443ms
Found 12 dead transitions using SMT.
FORMULA QuasiLiveness FALSE TECHNIQUES STRUCTURAL_REDUCTION
Total runtime 64200 ms.

BK_STOP 1781100420129

--------------------
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="FileSystem-PT-N03I10B08"
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 FileSystem-PT-N03I10B08, 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 r352-smll-178021502300272"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FileSystem-PT-N03I10B08.tgz
mv FileSystem-PT-N03I10B08 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 ;