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.r064-smll-177946904300057.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 Champagne-PT-H07T2O, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r064-smll-177946904300057
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 720K
-rw-r--r-- 1 mcc users 8.3K Mar 6 10:48 CTLCardinality.txt
-rw-r--r-- 1 mcc users 93K Mar 6 10:48 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.6K Mar 6 10:48 CTLFireability.txt
-rw-r--r-- 1 mcc users 49K Mar 6 10:48 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K Mar 15 08:00 LTLCardinality.txt
-rw-r--r-- 1 mcc users 30K Mar 15 08:00 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Mar 15 08:00 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 08:00 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Mar 6 10:48 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 109K Mar 6 10:48 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.9K Mar 6 10:48 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 55K Mar 6 10:48 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 08:00 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 08:00 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 7 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 283K 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 1779480093129

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=Champagne-PT-H07T2O
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202505121319
[2026-05-22 20:01:35] [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]
[2026-05-22 20:01:35] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 20:01:35] [INFO ] Load time of PNML (sax parser for PT used): 290 ms
[2026-05-22 20:01:35] [INFO ] Transformed 1025 places.
[2026-05-22 20:01:35] [INFO ] Transformed 1282 transitions.
[2026-05-22 20:01:35] [INFO ] Found NUPN structural information;
[2026-05-22 20:01:35] [INFO ] Parsed PT model containing 1025 places and 1282 transitions and 3014 arcs in 532 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 1025/1025 places, 1282/1282 transitions.
Graph (trivial) has 1069 edges and 1025 vertex of which 529 / 1025 are part of one of the 27 SCC in 16 ms
Free SCC test removed 502 places
Ensure Unique test removed 547 transitions
Reduce isomorphic transitions removed 547 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 259 transitions
Trivial Post-agglo rules discarded 259 transitions
Performed 259 trivial Post agglomeration. Transition count delta: 259
Iterating post reduction 0 with 259 rules applied. Total rules applied 260 place count 523 transition count 476
Reduce places removed 259 places and 0 transitions.
Ensure Unique test removed 25 transitions
Reduce isomorphic transitions removed 25 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 25 transitions
Trivial Post-agglo rules discarded 25 transitions
Performed 25 trivial Post agglomeration. Transition count delta: 25
Iterating post reduction 1 with 309 rules applied. Total rules applied 569 place count 264 transition count 426
Reduce places removed 25 places and 0 transitions.
Iterating post reduction 2 with 25 rules applied. Total rules applied 594 place count 239 transition count 426
Performed 144 Post agglomeration using F-continuation condition.Transition count delta: 144
Deduced a syphon composed of 144 places in 1 ms
Reduce places removed 144 places and 0 transitions.
Iterating global reduction 3 with 288 rules applied. Total rules applied 882 place count 95 transition count 282
Applied a total of 882 rules in 141 ms. Remains 95 /1025 variables (removed 930) and now considering 282/1282 (removed 1000) transitions.
[2026-05-22 20:01:36] [INFO ] Flow matrix only has 110 transitions (discarded 172 similar events)
// Phase 1: matrix 110 rows 95 cols
[2026-05-22 20:01:36] [INFO ] Computed 27 invariants in 11 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 20:01:36] [INFO ] Implicit Places using invariants in 464 ms returned []
[2026-05-22 20:01:36] [INFO ] Flow matrix only has 110 transitions (discarded 172 similar events)
[2026-05-22 20:01:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 20:01:36] [INFO ] State equation strengthened by 41 read => feed constraints.
[2026-05-22 20:01:37] [INFO ] Implicit Places using invariants and state equation in 474 ms returned []
Implicit Place search using SMT with State Equation took 989 ms to find 0 implicit places.
Running 281 sub problems to find dead transitions.
[2026-05-22 20:01:37] [INFO ] Flow matrix only has 110 transitions (discarded 172 similar events)
[2026-05-22 20:01:37] [INFO ] Invariant cache hit.
[2026-05-22 20:01:37] [INFO ] State equation strengthened by 41 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/94 variables, 94/94 constraints. Problems are: Problem set: 0 solved, 281 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/94 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 281 unsolved
At refinement iteration 2 (OVERLAPS) 1/95 variables, 27/121 constraints. Problems are: Problem set: 0 solved, 281 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/95 variables, 1/122 constraints. Problems are: Problem set: 0 solved, 281 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/95 variables, 0/122 constraints. Problems are: Problem set: 0 solved, 281 unsolved
At refinement iteration 5 (OVERLAPS) 109/204 variables, 95/217 constraints. Problems are: Problem set: 0 solved, 281 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/204 variables, 40/257 constraints. Problems are: Problem set: 0 solved, 281 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/204 variables, 0/257 constraints. Problems are: Problem set: 0 solved, 281 unsolved
At refinement iteration 8 (OVERLAPS) 1/205 variables, 1/258 constraints. Problems are: Problem set: 0 solved, 281 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/205 variables, 0/258 constraints. Problems are: Problem set: 0 solved, 281 unsolved
At refinement iteration 10 (OVERLAPS) 0/205 variables, 0/258 constraints. Problems are: Problem set: 0 solved, 281 unsolved
No progress, stopping.
After SMT solving in domain Real declared 205/205 variables, and 258 constraints, problems are : Problem set: 0 solved, 281 unsolved in 20834 ms.
Refiners :[Domain max(s): 95/95 constraints, Positive P Invariants (semi-flows): 27/27 constraints, State Equation: 95/95 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 281/281 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 281 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/94 variables, 94/94 constraints. Problems are: Problem set: 0 solved, 281 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/94 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 281 unsolved
At refinement iteration 2 (OVERLAPS) 1/95 variables, 27/121 constraints. Problems are: Problem set: 0 solved, 281 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/95 variables, 1/122 constraints. Problems are: Problem set: 0 solved, 281 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/95 variables, 0/122 constraints. Problems are: Problem set: 0 solved, 281 unsolved
At refinement iteration 5 (OVERLAPS) 109/204 variables, 95/217 constraints. Problems are: Problem set: 0 solved, 281 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/204 variables, 40/257 constraints. Problems are: Problem set: 0 solved, 281 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/204 variables, 281/538 constraints. Problems are: Problem set: 0 solved, 281 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/204 variables, 0/538 constraints. Problems are: Problem set: 0 solved, 281 unsolved
At refinement iteration 9 (OVERLAPS) 1/205 variables, 1/539 constraints. Problems are: Problem set: 0 solved, 281 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/205 variables, 0/539 constraints. Problems are: Problem set: 0 solved, 281 unsolved
At refinement iteration 11 (OVERLAPS) 0/205 variables, 0/539 constraints. Problems are: Problem set: 0 solved, 281 unsolved
No progress, stopping.
After SMT solving in domain Int declared 205/205 variables, and 539 constraints, problems are : Problem set: 0 solved, 281 unsolved in 29605 ms.
Refiners :[Domain max(s): 95/95 constraints, Positive P Invariants (semi-flows): 27/27 constraints, State Equation: 95/95 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 281/281 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 50675ms problems are : Problem set: 0 solved, 281 unsolved
Search for dead transitions found 0 dead transitions in 50710ms
Starting structural reductions in LIVENESS mode, iteration 1 : 95/1025 places, 282/1282 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 51889 ms. Remains : 95/1025 places, 282/1282 transitions.
Discarding 92 transitions out of 282. Remains 190
Initial state reduction rules removed 1 formulas.
RANDOM walk for 40000 steps (768 resets) in 2637 ms. (15 steps per ms) remains 1/189 properties
BEST_FIRST walk for 3809 steps (0 resets) in 123 ms. (30 steps per ms) remains 0/1 properties
[2026-05-22 20:02:28] [INFO ] Flatten gal took : 133 ms
[2026-05-22 20:02:28] [INFO ] Flatten gal took : 39 ms
[2026-05-22 20:02:28] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality589227417290361344.gal : 19 ms
[2026-05-22 20:02:28] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality5918074102275772703.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/ReachabilityCardinality589227417290361344.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality5918074102275772703.prop' '--nowitness' '--gen-order' 'FOLLOW'

ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query QuasiLiveness after proving 190 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 53486 ms.

BK_STOP 1779480148917

--------------------
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="Champagne-PT-H07T2O"
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 Champagne-PT-H07T2O, 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 r064-smll-177946904300057"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Champagne-PT-H07T2O.tgz
mv Champagne-PT-H07T2O 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 ;