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.r176-smll-177961111800019.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 HypertorusGrid-PT-d2k1p8b00, examination is Liveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r176-smll-177961111800019
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 528K
-rw-r--r-- 1 mcc users 8.1K Mar 7 17:06 CTLCardinality.txt
-rw-r--r-- 1 mcc users 75K Mar 7 17:06 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.9K Mar 7 17:05 CTLFireability.txt
-rw-r--r-- 1 mcc users 59K Mar 7 17:05 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 4.4K Mar 15 10:57 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 15 10:57 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.0K Mar 15 10:58 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 10:58 LTLFireability.xml
-rw-r--r-- 1 mcc users 19K Mar 7 17:06 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 170K Mar 7 17:06 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Mar 7 17:06 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 66K Mar 7 17:06 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.9K Mar 15 10:58 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K Mar 15 10:58 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 10 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rwxr-xr-x 1 mcc users 8.9K 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 Liveness

=== Now, execution of the tool begins

BK_START 1779748007460

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=Liveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=HypertorusGrid-PT-d2k1p8b00
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
Liveness PT
Running Version 202505121319
[2026-05-25 22:26:50] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, Liveness, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2026-05-25 22:26:50] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 22:26:50] [INFO ] Load time of PNML (sax parser for PT used): 84 ms
[2026-05-25 22:26:50] [INFO ] Transformed 13 places.
[2026-05-25 22:26:50] [INFO ] Transformed 16 transitions.
[2026-05-25 22:26:50] [INFO ] Parsed PT model containing 13 places and 16 transitions and 64 arcs in 278 ms.
Discarding 8 transitions out of 16. Remains 8
Built sparse matrix representations for Structural reductions in 9 ms.14286KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 13/13 places, 16/16 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 0 rules in 21 ms. Remains 13 /13 variables (removed 0) and now considering 16/16 (removed 0) transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 46 ms. Remains : 13/13 places, 16/16 transitions.
Starting structural reductions in DEADLOCK mode, iteration 0 : 13/13 places, 16/16 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 0 rules in 3 ms. Remains 13 /13 variables (removed 0) and now considering 16/16 (removed 0) transitions.
// Phase 1: matrix 16 rows 13 cols
[2026-05-25 22:26:50] [INFO ] Computed 6 invariants in 7 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 22:26:50] [INFO ] Implicit Places using invariants in 263 ms returned []
[2026-05-25 22:26:50] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 22:26:50] [INFO ] Implicit Places using invariants and state equation in 87 ms returned []
Implicit Place search using SMT with State Equation took 418 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-25 22:26:50] [INFO ] Redundant transitions in 1 ms returned []
Running 12 sub problems to find dead transitions.
[2026-05-25 22:26:51] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 4/9 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/9 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 4/13 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (OVERLAPS) 16/29 variables, 13/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/29 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (OVERLAPS) 0/29 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Real declared 29/29 variables, and 19 constraints, problems are : Problem set: 0 solved, 12 unsolved in 666 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 13/13 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 12 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 4/9 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/9 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 4/13 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (OVERLAPS) 16/29 variables, 13/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/29 variables, 12/31 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/29 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (OVERLAPS) 0/29 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Int declared 29/29 variables, and 31 constraints, problems are : Problem set: 0 solved, 12 unsolved in 670 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 13/13 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1405ms problems are : Problem set: 0 solved, 12 unsolved
Search for dead transitions found 0 dead transitions in 1417ms
Finished structural reductions in DEADLOCK mode , in 1 iterations and 1863 ms. Remains : 13/13 places, 16/16 transitions.
Random walk for 1250000 steps, including 0 resets, run took 2550 ms (no deadlock found). (steps per millisecond=490 )
Random directed walk for 1250002 steps, including 0 resets, run took 1290 ms (no deadlock found). (steps per millisecond=968 )
[2026-05-25 22:26:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 300.0 s and query timeout 30000.0 ms
[2026-05-25 22:26:56] [INFO ] [Real]Absence check using 5 positive place invariants in 4 ms returned sat
[2026-05-25 22:26:56] [INFO ] [Real]Absence check using 5 positive and 1 generalized place invariants in 1 ms returned unsat
Starting structural reductions in LIVENESS mode, iteration 0 : 13/13 places, 16/16 transitions.
Applied a total of 0 rules in 2 ms. Remains 13 /13 variables (removed 0) and now considering 16/16 (removed 0) transitions.
[2026-05-25 22:26:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 22:26:56] [INFO ] Implicit Places using invariants in 105 ms returned [4]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 110 ms to find 1 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 12/13 places, 16/16 transitions.
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 4 Pre rules applied. Total rules applied 0 place count 12 transition count 12
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 0 with 12 rules applied. Total rules applied 12 place count 4 transition count 12
Graph (trivial) has 12 edges and 4 vertex of which 4 / 4 are part of one of the 1 SCC in 3 ms
Free SCC test removed 3 places
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 14 place count 0 transition count 12
Ensure Unique test removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 0 with 11 rules applied. Total rules applied 25 place count 0 transition count 1
Applied a total of 25 rules in 29 ms. Remains 0 /12 variables (removed 12) and now considering 1/16 (removed 15) transitions.
[2026-05-25 22:26:56] [INFO ] Computed 0 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 22:26:56] [INFO ] Implicit Places using invariants in 9 ms returned []
[2026-05-25 22:26:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 22:26:56] [INFO ] Implicit Places using invariants and state equation in 30 ms returned []
Implicit Place search using SMT with State Equation took 43 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 0/13 places, 1/16 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 184 ms. Remains : 0/13 places, 1/16 transitions.
Able to resolve query QuasiLiveness after proving 1 properties.
Starting structural reductions in LIVENESS mode, iteration 0 : 13/13 places, 16/16 transitions.
Applied a total of 0 rules in 1 ms. Remains 13 /13 variables (removed 0) and now considering 16/16 (removed 0) transitions.
// Phase 1: matrix 16 rows 13 cols
[2026-05-25 22:26:56] [INFO ] Computed 6 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 22:26:56] [INFO ] Implicit Places using invariants in 84 ms returned [4]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 86 ms to find 1 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 12/13 places, 16/16 transitions.
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 4 Pre rules applied. Total rules applied 0 place count 12 transition count 12
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 0 with 12 rules applied. Total rules applied 12 place count 4 transition count 12
Graph (trivial) has 12 edges and 4 vertex of which 4 / 4 are part of one of the 1 SCC in 0 ms
Free SCC test removed 3 places
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 14 place count 0 transition count 12
Ensure Unique test removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 0 with 11 rules applied. Total rules applied 25 place count 0 transition count 1
Applied a total of 25 rules in 2 ms. Remains 0 /12 variables (removed 12) and now considering 1/16 (removed 15) transitions.
[2026-05-25 22:26:56] [INFO ] Computed 0 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 22:26:56] [INFO ] Implicit Places using invariants in 9 ms returned []
[2026-05-25 22:26:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 22:26:56] [INFO ] Implicit Places using invariants and state equation in 24 ms returned []
Implicit Place search using SMT with State Equation took 35 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 0/13 places, 1/16 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 124 ms. Remains : 0/13 places, 1/16 transitions.
Net is quasi-live, checking if it is reversible to establish liveness.
Net is conservative; using simplified expression for initial state.
Able to resolve query Liveness after proving 1 properties.
FORMULA Liveness TRUE TECHNIQUES TOPOLOGICAL QUASI_LIVE_REVERSIBLE INITIAL_STATE
Total runtime 6559 ms.

BK_STOP 1779748016696

--------------------
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
+ [[ Liveness = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution Liveness -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 Liveness -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="HypertorusGrid-PT-d2k1p8b00"
export BK_EXAMINATION="Liveness"
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 HypertorusGrid-PT-d2k1p8b00, examination is Liveness"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r176-smll-177961111800019"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/HypertorusGrid-PT-d2k1p8b00.tgz
mv HypertorusGrid-PT-d2k1p8b00 execution
cd execution
if [ "Liveness" = "ReachabilityDeadlock" ] || [ "Liveness" = "UpperBounds" ] || [ "Liveness" = "QuasiLiveness" ] || [ "Liveness" = "StableMarking" ] || [ "Liveness" = "Liveness" ] || [ "Liveness" = "OneSafe" ] || [ "Liveness" = "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 [ "Liveness" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "Liveness" != "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 "Liveness.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 '' Liveness.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "Liveness" = "ReachabilityDeadlock" ] || [ "Liveness" = "QuasiLiveness" ] || [ "Liveness" = "StableMarking" ] || [ "Liveness" = "Liveness" ] || [ "Liveness" = "OneSafe" ] ; then
echo "FORMULA_NAME Liveness"
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 ;