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.r160-tall-177961080000247.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 GPUForwardProgress-PT-08a, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r160-tall-177961080000247
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 608K
-rw-r--r-- 1 mcc users 6.2K Mar 7 11:28 CTLCardinality.txt
-rw-r--r-- 1 mcc users 63K Mar 7 11:28 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.7K Mar 7 11:28 CTLFireability.txt
-rw-r--r-- 1 mcc users 69K Mar 7 11:28 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.6K Mar 15 10:35 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Mar 15 10:35 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 10:35 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 10:35 LTLFireability.xml
-rw-r--r-- 1 mcc users 17K Mar 7 11:28 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 195K Mar 7 11:28 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 14K Mar 7 11:28 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 132K Mar 7 11:28 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 10:35 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 10:35 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 14K 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 1779702567723

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=GPUForwardProgress-PT-08a
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202505121319
[2026-05-25 09:49:29] [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]
[2026-05-25 09:49:29] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 09:49:29] [INFO ] Load time of PNML (sax parser for PT used): 40 ms
[2026-05-25 09:49:29] [INFO ] Transformed 40 places.
[2026-05-25 09:49:29] [INFO ] Transformed 49 transitions.
[2026-05-25 09:49:29] [INFO ] Found NUPN structural information;
[2026-05-25 09:49:29] [INFO ] Parsed PT model containing 40 places and 49 transitions and 181 arcs in 125 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 40/40 places, 49/49 transitions.
Ensure Unique test removed 1 places
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 0 with 11 rules applied. Total rules applied 11 place count 39 transition count 39
Performed 8 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 8 Pre rules applied. Total rules applied 11 place count 39 transition count 31
Deduced a syphon composed of 8 places in 1 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 1 with 16 rules applied. Total rules applied 27 place count 31 transition count 31
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 29 place count 30 transition count 30
Applied a total of 29 rules in 26 ms. Remains 30 /40 variables (removed 10) and now considering 30/49 (removed 19) transitions.
// Phase 1: matrix 30 rows 30 cols
[2026-05-25 09:49:29] [INFO ] Computed 9 invariants in 9 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 09:49:29] [INFO ] Implicit Places using invariants in 168 ms returned []
[2026-05-25 09:49:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 09:49:29] [INFO ] State equation strengthened by 17 read => feed constraints.
[2026-05-25 09:49:29] [INFO ] Implicit Places using invariants and state equation in 101 ms returned []
Implicit Place search using SMT with State Equation took 300 ms to find 0 implicit places.
Running 29 sub problems to find dead transitions.
[2026-05-25 09:49:29] [INFO ] Invariant cache hit.
[2026-05-25 09:49:29] [INFO ] State equation strengthened by 17 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/29 variables, 29/29 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/29 variables, 9/38 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/29 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 3 (OVERLAPS) 29/58 variables, 29/67 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/58 variables, 16/83 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/58 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 6 (OVERLAPS) 1/59 variables, 1/84 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/59 variables, 1/85 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/59 variables, 0/85 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 9 (OVERLAPS) 1/60 variables, 1/86 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/60 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 11 (OVERLAPS) 0/60 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 29 unsolved
No progress, stopping.
After SMT solving in domain Real declared 60/60 variables, and 86 constraints, problems are : Problem set: 0 solved, 29 unsolved in 993 ms.
Refiners :[Domain max(s): 30/30 constraints, Generalized P Invariants (flows): 9/9 constraints, State Equation: 30/30 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 29/29 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 29 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/29 variables, 29/29 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/29 variables, 9/38 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/29 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 3 (OVERLAPS) 29/58 variables, 29/67 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/58 variables, 16/83 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/58 variables, 29/112 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/58 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 7 (OVERLAPS) 1/59 variables, 1/113 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/59 variables, 1/114 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/59 variables, 0/114 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 10 (OVERLAPS) 1/60 variables, 1/115 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/60 variables, 0/115 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 12 (OVERLAPS) 0/60 variables, 0/115 constraints. Problems are: Problem set: 0 solved, 29 unsolved
No progress, stopping.
After SMT solving in domain Int declared 60/60 variables, and 115 constraints, problems are : Problem set: 0 solved, 29 unsolved in 1532 ms.
Refiners :[Domain max(s): 30/30 constraints, Generalized P Invariants (flows): 9/9 constraints, State Equation: 30/30 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 29/29 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2584ms problems are : Problem set: 0 solved, 29 unsolved
Search for dead transitions found 0 dead transitions in 2601ms
Starting structural reductions in LIVENESS mode, iteration 1 : 30/40 places, 30/49 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 2954 ms. Remains : 30/40 places, 30/49 transitions.
Discarding 10 transitions out of 30. Remains 20
Initial state reduction rules removed 1 formulas.
RANDOM walk for 29828 steps (454 resets) in 549 ms. (54 steps per ms) remains 0/19 properties
[2026-05-25 09:49:32] [INFO ] Flatten gal took : 28 ms
[2026-05-25 09:49:32] [INFO ] Flatten gal took : 9 ms
[2026-05-25 09:49:32] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8838017205611392066.gal : 5 ms
[2026-05-25 09:49:32] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17210597019899544552.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/ReachabilityCardinality8838017205611392066.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17210597019899544552.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 20 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 3522 ms.

BK_STOP 1779702572660

--------------------
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="GPUForwardProgress-PT-08a"
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 GPUForwardProgress-PT-08a, 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 r160-tall-177961080000247"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/GPUForwardProgress-PT-08a.tgz
mv GPUForwardProgress-PT-08a 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 ;