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-177946904300087.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 Champagne-PT-H09T2O, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r064-smll-177946904300087
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.1M
-rw-r--r-- 1 mcc users 7.6K Mar 6 10:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 83K Mar 6 10:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.8K Mar 6 10:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 64K Mar 6 10:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.7K Mar 15 08:02 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 15 08:02 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 08:02 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 08:02 LTLFireability.xml
-rw-r--r-- 1 mcc users 15K Mar 6 10:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 164K Mar 6 10:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K Mar 6 10:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 102K Mar 6 10:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 08:02 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 08:02 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 579K 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 1779480563102

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=Champagne-PT-H09T2O
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202505121319
[2026-05-22 20:09:25] [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 20:09:25] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 20:09:26] [INFO ] Load time of PNML (sax parser for PT used): 437 ms
[2026-05-22 20:09:26] [INFO ] Transformed 1861 places.
[2026-05-22 20:09:26] [INFO ] Transformed 2552 transitions.
[2026-05-22 20:09:26] [INFO ] Found NUPN structural information;
[2026-05-22 20:09:26] [INFO ] Parsed PT model containing 1861 places and 2552 transitions and 6380 arcs in 712 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 1861/1861 places, 2552/2552 transitions.
Graph (trivial) has 1937 edges and 1861 vertex of which 943 / 1861 are part of one of the 49 SCC in 23 ms
Free SCC test removed 894 places
Ensure Unique test removed 971 transitions
Reduce isomorphic transitions removed 971 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 481 transitions
Trivial Post-agglo rules discarded 481 transitions
Performed 481 trivial Post agglomeration. Transition count delta: 481
Iterating post reduction 0 with 481 rules applied. Total rules applied 482 place count 967 transition count 1100
Reduce places removed 481 places and 0 transitions.
Ensure Unique test removed 47 transitions
Reduce isomorphic transitions removed 47 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 47 transitions
Trivial Post-agglo rules discarded 47 transitions
Performed 47 trivial Post agglomeration. Transition count delta: 47
Iterating post reduction 1 with 575 rules applied. Total rules applied 1057 place count 486 transition count 1006
Reduce places removed 47 places and 0 transitions.
Iterating post reduction 2 with 47 rules applied. Total rules applied 1104 place count 439 transition count 1006
Performed 266 Post agglomeration using F-continuation condition.Transition count delta: 266
Deduced a syphon composed of 266 places in 2 ms
Reduce places removed 266 places and 0 transitions.
Iterating global reduction 3 with 532 rules applied. Total rules applied 1636 place count 173 transition count 740
Renaming transitions due to excessive name length > 1024 char.
Applied a total of 1636 rules in 294 ms. Remains 173 /1861 variables (removed 1688) and now considering 740/2552 (removed 1812) transitions.
[2026-05-22 20:09:26] [INFO ] Flow matrix only has 200 transitions (discarded 540 similar events)
// Phase 1: matrix 200 rows 173 cols
[2026-05-22 20:09:26] [INFO ] Computed 49 invariants in 16 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 20:09:27] [INFO ] Implicit Places using invariants in 849 ms returned []
[2026-05-22 20:09:27] [INFO ] Flow matrix only has 200 transitions (discarded 540 similar events)
[2026-05-22 20:09:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 20:09:27] [INFO ] State equation strengthened by 75 read => feed constraints.
[2026-05-22 20:09:28] [INFO ] Implicit Places using invariants and state equation in 1007 ms returned []
Implicit Place search using SMT with State Equation took 1938 ms to find 0 implicit places.
Running 739 sub problems to find dead transitions.
[2026-05-22 20:09:28] [INFO ] Flow matrix only has 200 transitions (discarded 540 similar events)
[2026-05-22 20:09:28] [INFO ] Invariant cache hit.
[2026-05-22 20:09:28] [INFO ] State equation strengthened by 75 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/172 variables, 172/172 constraints. Problems are: Problem set: 0 solved, 739 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/172 variables, 0/172 constraints. Problems are: Problem set: 0 solved, 739 unsolved
At refinement iteration 2 (OVERLAPS) 1/173 variables, 49/221 constraints. Problems are: Problem set: 0 solved, 739 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/173 variables, 1/222 constraints. Problems are: Problem set: 0 solved, 739 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/173 variables, 0/222 constraints. Problems are: Problem set: 0 solved, 739 unsolved
At refinement iteration 5 (OVERLAPS) 199/372 variables, 173/395 constraints. Problems are: Problem set: 0 solved, 739 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 6 (INCLUDED_ONLY) 0/372 variables, 74/469 constraints. Problems are: Problem set: 0 solved, 739 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 372/373 variables, and 469 constraints, problems are : Problem set: 0 solved, 739 unsolved in 30076 ms.
Refiners :[Domain max(s): 173/173 constraints, Positive P Invariants (semi-flows): 49/49 constraints, State Equation: 173/173 constraints, ReadFeed: 74/75 constraints, PredecessorRefiner: 739/739 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 739 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/172 variables, 172/172 constraints. Problems are: Problem set: 0 solved, 739 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/172 variables, 0/172 constraints. Problems are: Problem set: 0 solved, 739 unsolved
At refinement iteration 2 (OVERLAPS) 1/173 variables, 49/221 constraints. Problems are: Problem set: 0 solved, 739 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/173 variables, 1/222 constraints. Problems are: Problem set: 0 solved, 739 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/173 variables, 0/222 constraints. Problems are: Problem set: 0 solved, 739 unsolved
At refinement iteration 5 (OVERLAPS) 199/372 variables, 173/395 constraints. Problems are: Problem set: 0 solved, 739 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/372 variables, 74/469 constraints. Problems are: Problem set: 0 solved, 739 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/372 variables, 739/1208 constraints. Problems are: Problem set: 0 solved, 739 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 372/373 variables, and 1208 constraints, problems are : Problem set: 0 solved, 739 unsolved in 30041 ms.
Refiners :[Domain max(s): 173/173 constraints, Positive P Invariants (semi-flows): 49/49 constraints, State Equation: 173/173 constraints, ReadFeed: 74/75 constraints, PredecessorRefiner: 739/739 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60609ms problems are : Problem set: 0 solved, 739 unsolved
Search for dead transitions found 0 dead transitions in 60656ms
Starting structural reductions in LIVENESS mode, iteration 1 : 173/1861 places, 740/2552 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 62968 ms. Remains : 173/1861 places, 740/2552 transitions.
Discarding 170 transitions out of 740. Remains 570
Initial state reduction rules removed 1 formulas.
RANDOM walk for 40000 steps (373 resets) in 3551 ms. (11 steps per ms) remains 1/569 properties
[2026-05-22 20:10:30] [INFO ] Flatten gal took : 166 ms
BEST_FIRST walk for 15840 steps (1 resets) in 437 ms. (36 steps per ms) remains 0/1 properties
[2026-05-22 20:10:30] [INFO ] Flatten gal took : 87 ms
[2026-05-22 20:10:30] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17146481339286346606.gal : 37 ms
[2026-05-22 20:10:30] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality13886944519537527192.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/ReachabilityCardinality17146481339286346606.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality13886944519537527192.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 ...330
ITS tools runner thread asked to quit. Dying gracefully.
java.io.IOException: Stream closed
at java.base/java.io.BufferedInputStream.ensureOpen(BufferedInputStream.java:206)
at java.base/java.io.BufferedInputStream.implRead(BufferedInputStream.java:411)
at java.base/java.io.BufferedInputStream.read(BufferedInputStream.java:405)
at java.base/sun.nio.cs.StreamDecoder.readBytes(StreamDecoder.java:350)
at java.base/sun.nio.cs.StreamDecoder.implRead(StreamDecoder.java:393)
at java.base/sun.nio.cs.StreamDecoder.lockedRead(StreamDecoder.java:217)
at java.base/sun.nio.cs.StreamDecoder.read(StreamDecoder.java:171)
at java.base/java.io.InputStreamReader.read(InputStreamReader.java:188)
at java.base/java.io.BufferedReader.fill(BufferedReader.java:160)
at java.base/java.io.BufferedReader.implReadLine(BufferedReader.java:370)
at java.base/java.io.BufferedReader.readLine(BufferedReader.java:347)
at java.base/java.io.BufferedReader.readLine(BufferedReader.java:436)
at fr.lip6.move.gal.application.runner.its.ITSRunner$ITSInterpreter.run(ITSRunner.java:211)
at java.base/java.lang.Thread.run(Thread.java:1583)
Able to resolve query QuasiLiveness after proving 570 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 65143 ms.

BK_STOP 1779480630618

--------------------
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-H09T2O"
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-H09T2O, 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-177946904300087"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Champagne-PT-H09T2O.tgz
mv Champagne-PT-H09T2O 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 ;