fond
Model Checking Contest 2025
15th edition, Paris, France, June 24, 2025
Execution of r245-tall-174915599100484
Last Updated
June 24, 2025

About the Execution of ITS-Tools for UtilityControlRoom-PT-Z2T3N04

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
0.000 4701.00 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-174915599100484.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-Z2T3N04, examination is Liveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r245-tall-174915599100484
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 832K
-rw-r--r-- 1 mcc users 16K May 29 14:48 CTLCardinality.txt
-rw-r--r-- 1 mcc users 111K May 29 14:48 CTLCardinality.xml
-rw-r--r-- 1 mcc users 16K May 29 14:48 CTLFireability.txt
-rw-r--r-- 1 mcc users 84K May 29 14:48 CTLFireability.xml
-rw-r--r-- 1 mcc users 8.9K May 29 14:48 LTLCardinality.txt
-rw-r--r-- 1 mcc users 42K May 29 14:48 LTLCardinality.xml
-rw-r--r-- 1 mcc users 5.9K May 29 14:48 LTLFireability.txt
-rw-r--r-- 1 mcc users 29K May 29 14:48 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K May 29 14:48 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 83K May 29 14:48 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 60K May 29 14:48 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 275K May 29 14:48 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.7K May 29 14:48 UpperBounds.txt
-rw-r--r-- 1 mcc users 5.7K 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 47K 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 1749165146836

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-Z2T3N04
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
Liveness PT
Running Version 202505121319
[2025-06-05 23:12:28] [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 23:12:28] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-05 23:12:28] [INFO ] Load time of PNML (sax parser for PT used): 49 ms
[2025-06-05 23:12:28] [INFO ] Transformed 72 places.
[2025-06-05 23:12:28] [INFO ] Transformed 108 transitions.
[2025-06-05 23:12:28] [INFO ] Parsed PT model containing 72 places and 108 transitions and 340 arcs in 143 ms.
Discarding 32 transitions out of 108. Remains 76
Ensure Unique test removed 16 transitions
Reduce redundant transitions removed 16 transitions.
Built sparse matrix representations for Structural reductions in 7 ms.15644KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 72/72 places, 92/92 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 8 transitions
Redundant transition composition rules discarded 8 transitions
Iterating global reduction 0 with 8 rules applied. Total rules applied 8 place count 72 transition count 84
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 8 rules in 23 ms. Remains 72 /72 variables (removed 0) and now considering 84/92 (removed 8) transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 33 ms. Remains : 72/72 places, 84/92 transitions.
Random walk for 1250000 steps, including 0 resets, run took 1172 ms (no deadlock found). (steps per millisecond=1066 )
Random directed walk for 1250003 steps, including 0 resets, run took 1003 ms (no deadlock found). (steps per millisecond=1246 )
// Phase 1: matrix 84 rows 72 cols
[2025-06-05 23:12:30] [INFO ] Computed 11 invariants in 7 ms
Starting Z3 with timeout 300.0 s and query timeout 30000.0 ms
[2025-06-05 23:12:30] [INFO ] [Real]Absence check using 11 positive place invariants in 6 ms returned unsat
Starting structural reductions in LIVENESS mode, iteration 0 : 72/72 places, 108/108 transitions.
Ensure Unique test removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 16 transitions
Trivial Post-agglo rules discarded 16 transitions
Performed 16 trivial Post agglomeration. Transition count delta: 16
Iterating post reduction 0 with 32 rules applied. Total rules applied 32 place count 72 transition count 76
Reduce places removed 16 places and 0 transitions.
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 1 with 24 rules applied. Total rules applied 56 place count 56 transition count 68
Performed 8 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 8 Pre rules applied. Total rules applied 56 place count 56 transition count 60
Deduced a syphon composed of 8 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 2 with 16 rules applied. Total rules applied 72 place count 48 transition count 60
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: 8
Deduced a syphon composed of 8 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 2 with 16 rules applied. Total rules applied 88 place count 40 transition count 52
Applied a total of 88 rules in 14 ms. Remains 40 /72 variables (removed 32) and now considering 52/108 (removed 56) transitions.
// Phase 1: matrix 52 rows 40 cols
[2025-06-05 23:12:30] [INFO ] Computed 11 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 23:12:30] [INFO ] Implicit Places using invariants in 94 ms returned [22, 23]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 100 ms to find 2 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 38/72 places, 52/108 transitions.
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: 8
Deduced a syphon composed of 8 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 0 with 16 rules applied. Total rules applied 16 place count 30 transition count 44
Applied a total of 16 rules in 1 ms. Remains 30 /38 variables (removed 8) and now considering 44/52 (removed 8) transitions.
// Phase 1: matrix 44 rows 30 cols
[2025-06-05 23:12:30] [INFO ] Computed 9 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 23:12:30] [INFO ] Implicit Places using invariants in 39 ms returned []
[2025-06-05 23:12:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 23:12:30] [INFO ] Implicit Places using invariants and state equation in 56 ms returned []
Implicit Place search using SMT with State Equation took 95 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 30/72 places, 44/108 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 213 ms. Remains : 30/72 places, 44/108 transitions.
Discarding 8 transitions out of 44. Remains 36
Initial state reduction rules removed 4 formulas.
RANDOM walk for 1100 steps (0 resets) in 75 ms. (14 steps per ms) remains 0/32 properties
[2025-06-05 23:12:31] [INFO ] Flatten gal took : 22 ms
[2025-06-05 23:12:31] [INFO ] Flatten gal took : 6 ms
[2025-06-05 23:12:31] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8685235059023550938.gal : 6 ms
[2025-06-05 23:12:31] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality14467667046986136630.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/ReachabilityCardinality8685235059023550938.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality14467667046986136630.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 ...329
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query QuasiLiveness after proving 36 properties.
Starting structural reductions in LIVENESS mode, iteration 0 : 72/72 places, 108/108 transitions.
Ensure Unique test removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 16 transitions
Trivial Post-agglo rules discarded 16 transitions
Performed 16 trivial Post agglomeration. Transition count delta: 16
Iterating post reduction 0 with 32 rules applied. Total rules applied 32 place count 72 transition count 76
Reduce places removed 16 places and 0 transitions.
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 1 with 24 rules applied. Total rules applied 56 place count 56 transition count 68
Performed 8 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 8 Pre rules applied. Total rules applied 56 place count 56 transition count 60
Deduced a syphon composed of 8 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 2 with 16 rules applied. Total rules applied 72 place count 48 transition count 60
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: 8
Deduced a syphon composed of 8 places in 1 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 2 with 16 rules applied. Total rules applied 88 place count 40 transition count 52
Applied a total of 88 rules in 6 ms. Remains 40 /72 variables (removed 32) and now considering 52/108 (removed 56) transitions.
// Phase 1: matrix 52 rows 40 cols
[2025-06-05 23:12:31] [INFO ] Computed 11 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 23:12:31] [INFO ] Implicit Places using invariants in 55 ms returned [22, 23]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 56 ms to find 2 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 38/72 places, 52/108 transitions.
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: 8
Deduced a syphon composed of 8 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 0 with 16 rules applied. Total rules applied 16 place count 30 transition count 44
Applied a total of 16 rules in 2 ms. Remains 30 /38 variables (removed 8) and now considering 44/52 (removed 8) transitions.
// Phase 1: matrix 44 rows 30 cols
[2025-06-05 23:12:31] [INFO ] Computed 9 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 23:12:31] [INFO ] Implicit Places using invariants in 44 ms returned []
[2025-06-05 23:12:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 23:12:31] [INFO ] Implicit Places using invariants and state equation in 67 ms returned []
Implicit Place search using SMT with State Equation took 115 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 30/72 places, 44/108 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 179 ms. Remains : 30/72 places, 44/108 transitions.
Discarding 8 transitions out of 44. Remains 36
Net is quasi-live, checking if it is reversible to establish liveness.
[2025-06-05 23:12:31] [INFO ] Flatten gal took : 5 ms
[2025-06-05 23:12:31] [INFO ] Flatten gal took : 5 ms
[2025-06-05 23:12:31] [INFO ] Time to serialize gal into /tmp/CTLFireability12365513902346798554.gal : 2 ms
[2025-06-05 23:12:31] [INFO ] Time to serialize properties into /tmp/CTLFireability5179194378791679351.ctl : 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-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability12365513902346798554.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability5179194378791679351.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,8275,0.017151,4020,2,111,5,629,6,0,167,430,0


Converting to forward existential form...Done !
original formula: AG(EF(((((((IdleTechs_0==1)&&(IdleTechs_1==1))&&((Clients_0==1)&&(Clients_1==1)))&&(((Clients_2==1)&&(Clients_3==1))&&((OpenRequests_0_0=...702
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((((((IdleTechs_0==1)&&(IdleTechs_1==1))&&((Clients_0==1)&&(Clients_1==1)))&&(((C...762
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
(forward)formula 0,1,0.031345,4404,1,0,5,3381,14,0,826,1791,5
Formula is TRUE !

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

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 3441 ms.

BK_STOP 1749165151537

--------------------
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-Z2T3N04"
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-Z2T3N04, 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-174915599100484"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/UtilityControlRoom-PT-Z2T3N04.tgz
mv UtilityControlRoom-PT-Z2T3N04 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 ;