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-177961080100429.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 HexagonalGrid-PT-126, examination is Liveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r160-tall-177961080100429
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 424K
-rw-r--r-- 1 mcc users 6.2K Mar 7 13:29 CTLCardinality.txt
-rw-r--r-- 1 mcc users 59K Mar 7 13:29 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.5K Mar 7 13:29 CTLFireability.txt
-rw-r--r-- 1 mcc users 45K Mar 7 13:29 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 4.3K Mar 15 10:46 LTLCardinality.txt
-rw-r--r-- 1 mcc users 30K Mar 15 10:46 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.7K Mar 15 10:46 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Mar 15 10:46 LTLFireability.xml
-rw-r--r-- 1 mcc users 7.6K Mar 7 13:29 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 65K Mar 7 13:29 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K Mar 7 13:29 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 97K Mar 7 13:29 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 10:46 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 10:46 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
-rwxr-xr-x 1 mcc users 18K 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 1779703106050

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=Liveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=HexagonalGrid-PT-126
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
Liveness PT
Running Version 202505121319
[2026-05-25 09:58:27] [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 09:58:27] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 09:58:27] [INFO ] Load time of PNML (sax parser for PT used): 40 ms
[2026-05-25 09:58:27] [INFO ] Transformed 31 places.
[2026-05-25 09:58:27] [INFO ] Transformed 42 transitions.
[2026-05-25 09:58:27] [INFO ] Parsed PT model containing 31 places and 42 transitions and 168 arcs in 124 ms.
Discarding 24 transitions out of 42. Remains 18
Built sparse matrix representations for Structural reductions in 5 ms.14547KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 31/31 places, 42/42 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 9 ms. Remains 31 /31 variables (removed 0) and now considering 42/42 (removed 0) transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 20 ms. Remains : 31/31 places, 42/42 transitions.
Starting structural reductions in DEADLOCK mode, iteration 0 : 31/31 places, 42/42 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 31 /31 variables (removed 0) and now considering 42/42 (removed 0) transitions.
// Phase 1: matrix 42 rows 31 cols
[2026-05-25 09:58:27] [INFO ] Computed 14 invariants in 6 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 09:58:27] [INFO ] Implicit Places using invariants in 144 ms returned []
[2026-05-25 09:58:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 09:58:27] [INFO ] Implicit Places using invariants and state equation in 55 ms returned []
Implicit Place search using SMT with State Equation took 230 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-25 09:58:27] [INFO ] Redundant transitions in 0 ms returned []
Running 36 sub problems to find dead transitions.
[2026-05-25 09:58:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/19 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 2 (OVERLAPS) 6/25 variables, 7/13 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/25 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 4 (OVERLAPS) 6/31 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/31 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 6 (OVERLAPS) 42/73 variables, 31/45 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/73 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 8 (OVERLAPS) 0/73 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 36 unsolved
No progress, stopping.
After SMT solving in domain Real declared 73/73 variables, and 45 constraints, problems are : Problem set: 0 solved, 36 unsolved in 770 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 31/31 constraints, PredecessorRefiner: 36/36 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 36 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/19 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 2 (OVERLAPS) 6/25 variables, 7/13 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/25 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 4 (OVERLAPS) 6/31 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/31 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 6 (OVERLAPS) 42/73 variables, 31/45 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/73 variables, 36/81 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/73 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 9 (OVERLAPS) 0/73 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 36 unsolved
No progress, stopping.
After SMT solving in domain Int declared 73/73 variables, and 81 constraints, problems are : Problem set: 0 solved, 36 unsolved in 848 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 31/31 constraints, PredecessorRefiner: 36/36 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1688ms problems are : Problem set: 0 solved, 36 unsolved
Search for dead transitions found 0 dead transitions in 1694ms
Finished structural reductions in DEADLOCK mode , in 1 iterations and 1941 ms. Remains : 31/31 places, 42/42 transitions.
Random walk for 1250000 steps, including 0 resets, run took 2115 ms (no deadlock found). (steps per millisecond=591 )
Random directed walk for 1250002 steps, including 0 resets, run took 1269 ms (no deadlock found). (steps per millisecond=985 )
[2026-05-25 09:58:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 300.0 s and query timeout 30000.0 ms
[2026-05-25 09:58:33] [INFO ] [Real]Absence check using 13 positive place invariants in 4 ms returned sat
[2026-05-25 09:58:33] [INFO ] [Real]Absence check using 13 positive and 1 generalized place invariants in 1 ms returned unsat
Starting structural reductions in LIVENESS mode, iteration 0 : 31/31 places, 42/42 transitions.
Applied a total of 0 rules in 1 ms. Remains 31 /31 variables (removed 0) and now considering 42/42 (removed 0) transitions.
[2026-05-25 09:58:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 09:58:33] [INFO ] Implicit Places using invariants in 45 ms returned [6]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 48 ms to find 1 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 30/31 places, 42/42 transitions.
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 6 Pre rules applied. Total rules applied 0 place count 30 transition count 36
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 0 with 18 rules applied. Total rules applied 18 place count 18 transition count 36
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 6 Pre rules applied. Total rules applied 18 place count 18 transition count 30
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 0 with 18 rules applied. Total rules applied 36 place count 6 transition count 30
Graph (trivial) has 30 edges and 6 vertex of which 6 / 6 are part of one of the 1 SCC in 1 ms
Free SCC test removed 5 places
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 38 place count 0 transition count 30
Ensure Unique test removed 29 transitions
Reduce isomorphic transitions removed 29 transitions.
Iterating post reduction 0 with 29 rules applied. Total rules applied 67 place count 0 transition count 1
Applied a total of 67 rules in 13 ms. Remains 0 /30 variables (removed 30) and now considering 1/42 (removed 41) transitions.
[2026-05-25 09:58:33] [INFO ] Computed 0 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 09:58:33] [INFO ] Implicit Places using invariants in 5 ms returned []
[2026-05-25 09:58:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 09:58:33] [INFO ] Implicit Places using invariants and state equation in 17 ms returned []
Implicit Place search using SMT with State Equation took 24 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 0/31 places, 1/42 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 86 ms. Remains : 0/31 places, 1/42 transitions.
Able to resolve query QuasiLiveness after proving 1 properties.
Starting structural reductions in LIVENESS mode, iteration 0 : 31/31 places, 42/42 transitions.
Applied a total of 0 rules in 1 ms. Remains 31 /31 variables (removed 0) and now considering 42/42 (removed 0) transitions.
// Phase 1: matrix 42 rows 31 cols
[2026-05-25 09:58:33] [INFO ] Computed 14 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 09:58:33] [INFO ] Implicit Places using invariants in 44 ms returned [6]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 45 ms to find 1 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 30/31 places, 42/42 transitions.
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 6 Pre rules applied. Total rules applied 0 place count 30 transition count 36
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 0 with 18 rules applied. Total rules applied 18 place count 18 transition count 36
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 6 Pre rules applied. Total rules applied 18 place count 18 transition count 30
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 0 with 18 rules applied. Total rules applied 36 place count 6 transition count 30
Graph (trivial) has 30 edges and 6 vertex of which 6 / 6 are part of one of the 1 SCC in 0 ms
Free SCC test removed 5 places
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 38 place count 0 transition count 30
Ensure Unique test removed 29 transitions
Reduce isomorphic transitions removed 29 transitions.
Iterating post reduction 0 with 29 rules applied. Total rules applied 67 place count 0 transition count 1
Applied a total of 67 rules in 2 ms. Remains 0 /30 variables (removed 30) and now considering 1/42 (removed 41) transitions.
[2026-05-25 09:58:33] [INFO ] Computed 0 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 09:58:33] [INFO ] Implicit Places using invariants in 5 ms returned []
[2026-05-25 09:58:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 09:58:33] [INFO ] Implicit Places using invariants and state equation in 17 ms returned []
Implicit Place search using SMT with State Equation took 24 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 0/31 places, 1/42 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 73 ms. Remains : 0/31 places, 1/42 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 5797 ms.

BK_STOP 1779703113240

--------------------
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="HexagonalGrid-PT-126"
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 HexagonalGrid-PT-126, 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 r160-tall-177961080100429"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/HexagonalGrid-PT-126.tgz
mv HexagonalGrid-PT-126 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 ;