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-177946904300007.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-H04T1U, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r064-smll-177946904300007
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 496K
-rw-r--r-- 1 mcc users 7.1K Mar 6 10:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 76K Mar 6 10:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.9K Mar 6 10:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 55K Mar 6 10:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.6K Mar 15 07:57 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Mar 15 07:57 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Mar 15 07:57 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Mar 15 07:57 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Mar 6 10:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 123K Mar 6 10:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.6K Mar 6 10:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 52K Mar 6 10:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 07:57 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 07:57 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 77K 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 1779479539229

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=Champagne-PT-H04T1U
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202505121319
[2026-05-22 19:52:21] [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 19:52:21] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 19:52:22] [INFO ] Load time of PNML (sax parser for PT used): 166 ms
[2026-05-22 19:52:22] [INFO ] Transformed 285 places.
[2026-05-22 19:52:22] [INFO ] Transformed 351 transitions.
[2026-05-22 19:52:22] [INFO ] Found NUPN structural information;
[2026-05-22 19:52:22] [INFO ] Parsed PT model containing 285 places and 351 transitions and 820 arcs in 402 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 285/285 places, 351/351 transitions.
Graph (trivial) has 296 edges and 285 vertex of which 115 / 285 are part of one of the 11 SCC in 8 ms
Free SCC test removed 104 places
Ensure Unique test removed 116 transitions
Reduce isomorphic transitions removed 116 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 81 transitions
Trivial Post-agglo rules discarded 81 transitions
Performed 81 trivial Post agglomeration. Transition count delta: 81
Iterating post reduction 0 with 81 rules applied. Total rules applied 82 place count 181 transition count 154
Reduce places removed 81 places and 0 transitions.
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 9 transitions
Trivial Post-agglo rules discarded 9 transitions
Performed 9 trivial Post agglomeration. Transition count delta: 9
Iterating post reduction 1 with 99 rules applied. Total rules applied 181 place count 100 transition count 136
Reduce places removed 9 places and 0 transitions.
Iterating post reduction 2 with 9 rules applied. Total rules applied 190 place count 91 transition count 136
Performed 54 Post agglomeration using F-continuation condition.Transition count delta: 54
Deduced a syphon composed of 54 places in 0 ms
Reduce places removed 54 places and 0 transitions.
Iterating global reduction 3 with 108 rules applied. Total rules applied 298 place count 37 transition count 82
Applied a total of 298 rules in 106 ms. Remains 37 /285 variables (removed 248) and now considering 82/351 (removed 269) transitions.
[2026-05-22 19:52:22] [INFO ] Flow matrix only has 42 transitions (discarded 40 similar events)
// Phase 1: matrix 42 rows 37 cols
[2026-05-22 19:52:22] [INFO ] Computed 11 invariants in 9 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 19:52:22] [INFO ] Implicit Places using invariants in 383 ms returned []
[2026-05-22 19:52:22] [INFO ] Flow matrix only has 42 transitions (discarded 40 similar events)
[2026-05-22 19:52:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 19:52:23] [INFO ] State equation strengthened by 15 read => feed constraints.
[2026-05-22 19:52:23] [INFO ] Implicit Places using invariants and state equation in 255 ms returned []
Implicit Place search using SMT with State Equation took 716 ms to find 0 implicit places.
Running 81 sub problems to find dead transitions.
[2026-05-22 19:52:23] [INFO ] Flow matrix only has 42 transitions (discarded 40 similar events)
[2026-05-22 19:52:23] [INFO ] Invariant cache hit.
[2026-05-22 19:52:23] [INFO ] State equation strengthened by 15 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/36 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 2 (OVERLAPS) 1/37 variables, 11/47 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/37 variables, 1/48 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/37 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 5 (OVERLAPS) 41/78 variables, 37/85 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/78 variables, 14/99 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/78 variables, 0/99 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 8 (OVERLAPS) 1/79 variables, 1/100 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/79 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 10 (OVERLAPS) 0/79 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 81 unsolved
No progress, stopping.
After SMT solving in domain Real declared 79/79 variables, and 100 constraints, problems are : Problem set: 0 solved, 81 unsolved in 4305 ms.
Refiners :[Domain max(s): 37/37 constraints, Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 37/37 constraints, ReadFeed: 15/15 constraints, PredecessorRefiner: 81/81 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 81 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/36 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 2 (OVERLAPS) 1/37 variables, 11/47 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/37 variables, 1/48 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/37 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 5 (OVERLAPS) 41/78 variables, 37/85 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/78 variables, 14/99 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/78 variables, 81/180 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/78 variables, 0/180 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 9 (OVERLAPS) 1/79 variables, 1/181 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/79 variables, 0/181 constraints. Problems are: Problem set: 0 solved, 81 unsolved
At refinement iteration 11 (OVERLAPS) 0/79 variables, 0/181 constraints. Problems are: Problem set: 0 solved, 81 unsolved
No progress, stopping.
After SMT solving in domain Int declared 79/79 variables, and 181 constraints, problems are : Problem set: 0 solved, 81 unsolved in 3969 ms.
Refiners :[Domain max(s): 37/37 constraints, Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 37/37 constraints, ReadFeed: 15/15 constraints, PredecessorRefiner: 81/81 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 8390ms problems are : Problem set: 0 solved, 81 unsolved
Search for dead transitions found 0 dead transitions in 8419ms
Starting structural reductions in LIVENESS mode, iteration 1 : 37/285 places, 82/351 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 9287 ms. Remains : 37/285 places, 82/351 transitions.
Discarding 34 transitions out of 82. Remains 48
Initial state reduction rules removed 1 formulas.
RANDOM walk for 6121 steps (303 resets) in 446 ms. (13 steps per ms) remains 0/47 properties
[2026-05-22 19:52:32] [INFO ] Flatten gal took : 83 ms
[2026-05-22 19:52:32] [INFO ] Flatten gal took : 24 ms
[2026-05-22 19:52:32] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality224198566801846132.gal : 11 ms
[2026-05-22 19:52:32] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality5507148852587982279.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/ReachabilityCardinality224198566801846132.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality5507148852587982279.prop' '--nowitness' '--gen-order' 'FOLLOW'

ITS runner timed out or was interrupted.
its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...327
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query QuasiLiveness after proving 48 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 10414 ms.

BK_STOP 1779479552219

--------------------
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//
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.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 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-H04T1U"
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-H04T1U, 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-177946904300007"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Champagne-PT-H04T1U.tgz
mv Champagne-PT-H04T1U 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 ;