fond
Model Checking Contest 2025
15th edition, Paris, France, June 24, 2025
Execution of r245-tall-174915599100504
Last Updated
June 24, 2025

About the Execution of ITS-Tools for UtilityControlRoom-PT-Z2T4N02

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
0.000 3626.00 0.00 0.00 T normal

Execution Chart

Sorry, for this execution, no execution chart could be reported.

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r245-tall-174915599100504.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-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 2-5832
Executing tool itstools
Input is UtilityControlRoom-PT-Z2T4N02, examination is Liveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r245-tall-174915599100504
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 588K
-rw-r--r-- 1 mcc users 13K May 29 14:48 CTLCardinality.txt
-rw-r--r-- 1 mcc users 90K May 29 14:48 CTLCardinality.xml
-rw-r--r-- 1 mcc users 12K May 29 14:48 CTLFireability.txt
-rw-r--r-- 1 mcc users 73K May 29 14:48 CTLFireability.xml
-rw-r--r-- 1 mcc users 6.7K May 29 14:48 LTLCardinality.txt
-rw-r--r-- 1 mcc users 35K May 29 14:48 LTLCardinality.xml
-rw-r--r-- 1 mcc users 5.6K May 29 14:48 LTLFireability.txt
-rw-r--r-- 1 mcc users 26K May 29 14:48 LTLFireability.xml
-rw-r--r-- 1 mcc users 19K May 29 14:48 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 134K May 29 14:48 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 18K May 29 14:48 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 87K May 29 14:48 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.1K May 29 14:48 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.3K May 29 14:48 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 29 14:33 equiv_col
-rw-r--r-- 1 mcc users 8 May 29 14:33 instance
-rw-r--r-- 1 mcc users 6 May 29 14:33 iscolored
-rw-r--r-- 1 mcc users 24K May 29 14:33 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 1749165309868

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=Liveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=UtilityControlRoom-PT-Z2T4N02
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
Liveness PT
Running Version 202505121319
[2025-06-05 23:15:11] [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]
[2025-06-05 23:15:11] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-05 23:15:11] [INFO ] Load time of PNML (sax parser for PT used): 42 ms
[2025-06-05 23:15:11] [INFO ] Transformed 38 places.
[2025-06-05 23:15:11] [INFO ] Transformed 54 transitions.
[2025-06-05 23:15:11] [INFO ] Parsed PT model containing 38 places and 54 transitions and 170 arcs in 125 ms.
Discarding 16 transitions out of 54. Remains 38
Ensure Unique test removed 8 transitions
Reduce redundant transitions removed 8 transitions.
Built sparse matrix representations for Structural reductions in 4 ms.14867KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 38/38 places, 46/46 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
Drop transitions (Redundant composition of simpler transitions.) removed 4 transitions
Redundant transition composition rules discarded 4 transitions
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 38 transition count 42
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 4 rules in 20 ms. Remains 38 /38 variables (removed 0) and now considering 42/46 (removed 4) transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 30 ms. Remains : 38/38 places, 42/46 transitions.
Random walk for 1250000 steps, including 0 resets, run took 832 ms (no deadlock found). (steps per millisecond=1502 )
Random directed walk for 1250000 steps, including 0 resets, run took 605 ms (no deadlock found). (steps per millisecond=2066 )
// Phase 1: matrix 42 rows 38 cols
[2025-06-05 23:15:12] [INFO ] Computed 7 invariants in 8 ms
Starting Z3 with timeout 300.0 s and query timeout 30000.0 ms
[2025-06-05 23:15:12] [INFO ] [Real]Absence check using 7 positive place invariants in 5 ms returned unsat
Starting structural reductions in LIVENESS mode, iteration 0 : 38/38 places, 54/54 transitions.
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 8 transitions
Trivial Post-agglo rules discarded 8 transitions
Performed 8 trivial Post agglomeration. Transition count delta: 8
Iterating post reduction 0 with 16 rules applied. Total rules applied 16 place count 38 transition count 38
Reduce places removed 8 places and 0 transitions.
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 12 rules applied. Total rules applied 28 place count 30 transition count 34
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 4 Pre rules applied. Total rules applied 28 place count 30 transition count 30
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 2 with 8 rules applied. Total rules applied 36 place count 26 transition count 30
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 2 with 8 rules applied. Total rules applied 44 place count 22 transition count 26
Applied a total of 44 rules in 12 ms. Remains 22 /38 variables (removed 16) and now considering 26/54 (removed 28) transitions.
// Phase 1: matrix 26 rows 22 cols
[2025-06-05 23:15:12] [INFO ] Computed 7 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 23:15:12] [INFO ] Implicit Places using invariants in 54 ms returned [12, 13]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 61 ms to find 2 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 20/38 places, 26/54 transitions.
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 0 with 8 rules applied. Total rules applied 8 place count 16 transition count 22
Applied a total of 8 rules in 1 ms. Remains 16 /20 variables (removed 4) and now considering 22/26 (removed 4) transitions.
// Phase 1: matrix 22 rows 16 cols
[2025-06-05 23:15:13] [INFO ] Computed 5 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 23:15:13] [INFO ] Implicit Places using invariants in 34 ms returned []
[2025-06-05 23:15:13] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 23:15:13] [INFO ] Implicit Places using invariants and state equation in 49 ms returned []
Implicit Place search using SMT with State Equation took 84 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 16/38 places, 22/54 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 161 ms. Remains : 16/38 places, 22/54 transitions.
Discarding 4 transitions out of 22. Remains 18
Initial state reduction rules removed 2 formulas.
RANDOM walk for 266 steps (0 resets) in 29 ms. (8 steps per ms) remains 0/16 properties
[2025-06-05 23:15:13] [INFO ] Flatten gal took : 20 ms
[2025-06-05 23:15:13] [INFO ] Flatten gal took : 4 ms
[2025-06-05 23:15:13] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16425605609523353223.gal : 4 ms
[2025-06-05 23:15:13] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality278554114536196362.prop : 1 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/ReachabilityCardinality16425605609523353223.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality278554114536196362.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 ...328
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query QuasiLiveness after proving 18 properties.
Starting structural reductions in LIVENESS mode, iteration 0 : 38/38 places, 54/54 transitions.
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 8 transitions
Trivial Post-agglo rules discarded 8 transitions
Performed 8 trivial Post agglomeration. Transition count delta: 8
Iterating post reduction 0 with 16 rules applied. Total rules applied 16 place count 38 transition count 38
Reduce places removed 8 places and 0 transitions.
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 12 rules applied. Total rules applied 28 place count 30 transition count 34
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 4 Pre rules applied. Total rules applied 28 place count 30 transition count 30
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 2 with 8 rules applied. Total rules applied 36 place count 26 transition count 30
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 2 with 8 rules applied. Total rules applied 44 place count 22 transition count 26
Applied a total of 44 rules in 5 ms. Remains 22 /38 variables (removed 16) and now considering 26/54 (removed 28) transitions.
// Phase 1: matrix 26 rows 22 cols
[2025-06-05 23:15:13] [INFO ] Computed 7 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 23:15:13] [INFO ] Implicit Places using invariants in 45 ms returned [12, 13]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 46 ms to find 2 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 20/38 places, 26/54 transitions.
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 0 with 8 rules applied. Total rules applied 8 place count 16 transition count 22
Applied a total of 8 rules in 1 ms. Remains 16 /20 variables (removed 4) and now considering 22/26 (removed 4) transitions.
// Phase 1: matrix 22 rows 16 cols
[2025-06-05 23:15:13] [INFO ] Computed 5 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 23:15:13] [INFO ] Implicit Places using invariants in 33 ms returned []
[2025-06-05 23:15:13] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 23:15:13] [INFO ] Implicit Places using invariants and state equation in 33 ms returned []
Implicit Place search using SMT with State Equation took 69 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 16/38 places, 22/54 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 121 ms. Remains : 16/38 places, 22/54 transitions.
Discarding 4 transitions out of 22. Remains 18
Net is quasi-live, checking if it is reversible to establish liveness.
[2025-06-05 23:15:13] [INFO ] Flatten gal took : 4 ms
[2025-06-05 23:15:13] [INFO ] Flatten gal took : 4 ms
[2025-06-05 23:15:13] [INFO ] Time to serialize gal into /tmp/CTLFireability16579676060205231806.gal : 2 ms
[2025-06-05 23:15:13] [INFO ] Time to serialize properties into /tmp/CTLFireability9781282612570646583.ctl : 1 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-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability16579676060205231806.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability9781282612570646583.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...284
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,171,0.010947,3892,2,53,5,223,6,0,89,151,0


Converting to forward existential form...Done !
original formula: AG(EF((((((IdleTechs_0==1)&&(IdleTechs_1==1))&&((Clients_0==1)&&(Clients_1==1)))&&(((OpenRequests_0_0==0)&&(OpenRequests_0_1==0))&&((Open...382
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U (((((IdleTechs_0==1)&&(IdleTechs_1==1))&&((Clients_0==1)&&(Clients_1==1)))&&(((Op...442
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
(forward)formula 0,1,0.016213,4020,1,0,5,888,14,0,444,405,5
Formula is TRUE !

***************************************

ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query Liveness after proving 1 properties.
FORMULA Liveness TRUE TECHNIQUES RANDOM_WALK DECISION_DIAGRAMS TOPOLOGICAL QUASI_LIVE_REVERSIBLE INITIAL_STATE
Total runtime 2391 ms.

BK_STOP 1749165313494

--------------------
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="UtilityControlRoom-PT-Z2T4N02"
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 2-5832"
echo " Executing tool itstools"
echo " Input is UtilityControlRoom-PT-Z2T4N02, 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 r245-tall-174915599100504"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/UtilityControlRoom-PT-Z2T4N02.tgz
mv UtilityControlRoom-PT-Z2T4N02 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 ;