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.r152-tall-177961077500429.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 itstools
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 r152-tall-177961077500429
=====================================================================

--------------------
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 1779701437315

Invoking MCC driver with
BK_TOOL=itstools
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 202604301425
[2026-05-25 09:30:38] [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 09:30:38] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 09:30:38] [INFO ] Load time of PNML (sax parser for PT used): 40 ms
[2026-05-25 09:30:38] [INFO ] Transformed 31 places.
[2026-05-25 09:30:38] [INFO ] Transformed 42 transitions.
[2026-05-25 09:30:38] [INFO ] Parsed PT model containing 31 places and 42 transitions and 168 arcs in 127 ms.
Discarding 24 transitions out of 42. Remains 18
Built sparse matrix representations for Structural reductions in 5 ms.14797KB 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 13 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 24 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.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6846825180789509349.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10821538164606277223.kers'
[2026-05-25 09:30:38] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6846825180789509349.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10821538164606277223.kers]
Culling duplicate invariants (modulo rational): removing 12 columns.
Culled 12 columns in 0 ms.
// Phase 1: matrix 42 rows 19 cols 120 entries
Finished phase 1 with 17 SingleSign rule and 0 generalized
[2026-05-25 09:30:38] [INFO ] Computed 14 invariants in 0 ms
Computed 14 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-10821538164606277223.kers
Total runtime 1 ms.
[2026-05-25 09:30:38] [INFO ] Implicit Places using invariants in 186 ms returned []
[2026-05-25 09:30:38] [INFO ] Invariant cache hit.
[2026-05-25 09:30:38] [INFO ] Implicit Places using invariants and state equation in 58 ms returned []
Implicit Place search using SMT with State Equation took 278 ms to find 0 implicit places.
[2026-05-25 09:30:38] [INFO ] Redundant transitions in 0 ms returned []
Running 36 sub problems to find dead transitions.
[2026-05-25 09:30:39] [INFO ] Invariant cache hit.
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) 12/31 variables, 8/14 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/31 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 4 (OVERLAPS) 42/73 variables, 31/45 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/73 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 6 (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 715 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 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
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) 12/31 variables, 8/14 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/31 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 4 (OVERLAPS) 42/73 variables, 31/45 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/73 variables, 36/81 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/73 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 7 (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 821 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 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 1600ms problems are : Problem set: 0 solved, 36 unsolved
Search for dead transitions found 0 dead transitions in 1611ms
Finished structural reductions in DEADLOCK mode , in 1 iterations and 1929 ms. Remains : 31/31 places, 42/42 transitions.
Random walk for 1250000 steps, including 0 resets, run took 2198 ms (no deadlock found). (steps per millisecond=568 )
Random directed walk for 1250003 steps, including 0 resets, run took 1312 ms (no deadlock found). (steps per millisecond=952 )
[2026-05-25 09:30:44] [INFO ] Invariant cache hit.
[2026-05-25 09:30:44] [INFO ] [Real]Absence check using 14 positive place invariants in 3 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 09:30:44] [INFO ] Invariant cache hit.
[2026-05-25 09:30:44] [INFO ] Implicit Places using invariants in 55 ms returned [6]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 62 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 15 ms. Remains 0 /30 variables (removed 30) and now considering 1/42 (removed 41) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1946364938299831894.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13750401614628369284.kers'
[2026-05-25 09:30:44] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1946364938299831894.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13750401614628369284.kers]
[2026-05-25 09:30:44] [INFO ] Computed 0 invariants in 0 ms
Computed 0 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-13750401614628369284.kers
Total runtime 0 ms.
[2026-05-25 09:30:44] [INFO ] Implicit Places using invariants in 7 ms returned []
[2026-05-25 09:30:44] [INFO ] Invariant cache hit.
[2026-05-25 09:30:44] [INFO ] Implicit Places using invariants and state equation in 17 ms returned []
Implicit Place search using SMT with State Equation took 28 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 107 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 0 ms. Remains 31 /31 variables (removed 0) and now considering 42/42 (removed 0) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-12020802629092876322.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15803741062668675642.kers'
[2026-05-25 09:30:44] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12020802629092876322.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15803741062668675642.kers]
Culling duplicate invariants (modulo rational): removing 12 columns.
Culled 12 columns in 0 ms.
// Phase 1: matrix 42 rows 19 cols 120 entries
Finished phase 1 with 17 SingleSign rule and 0 generalized
[2026-05-25 09:30:44] [INFO ] Computed 14 invariants in 0 ms
Computed 14 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-15803741062668675642.kers
Total runtime 0 ms.
[2026-05-25 09:30:44] [INFO ] Implicit Places using invariants in 48 ms returned [6]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 50 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 4 ms. Remains 0 /30 variables (removed 30) and now considering 1/42 (removed 41) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13010420333506170460.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9442955497626818026.kers'
[2026-05-25 09:30:44] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13010420333506170460.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9442955497626818026.kers]
[2026-05-25 09:30:44] [INFO ] Computed 0 invariants in 0 ms
Computed 0 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-9442955497626818026.kers
Total runtime 0 ms.
[2026-05-25 09:30:44] [INFO ] Implicit Places using invariants in 5 ms returned []
[2026-05-25 09:30:44] [INFO ] Invariant cache hit.
[2026-05-25 09:30:44] [INFO ] Implicit Places using invariants and state equation in 15 ms returned []
Implicit Place search using SMT with State Equation took 22 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 77 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 5898 ms.

BK_STOP 1779701444445

--------------------
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_1.0.0.202604301425.jar
+ VERSION=202604301425
+ echo 'Running Version 202604301425'
+ /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="itstools"
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 itstools"
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 r152-tall-177961077500429"
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 ;