fond
Model Checking Contest 2025
15th edition, Paris, France, June 24, 2025
Execution of r245-tall-174915598500159
Last Updated
June 24, 2025

About the Execution of ITS-Tools for TokenRing-COL-005

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
0.000 12921.00 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-174915598500159.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 TokenRing-COL-005, examination is Liveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r245-tall-174915598500159
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 484K
-rw-r--r-- 1 mcc users 6.6K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 65K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.9K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 55K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:33 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 4.1K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.7K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 129K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 78K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 29 14:33 equiv_pt
-rw-r--r-- 1 mcc users 4 May 29 14:33 instance
-rw-r--r-- 1 mcc users 5 May 29 14:33 iscolored
-rw-r--r-- 1 mcc users 11K 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 1749158385081

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=Liveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=TokenRing-COL-005
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is COL
Liveness COL
Running Version 202505121319
[2025-06-05 21:19:46] [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 21:19:46] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-05 21:19:46] [INFO ] Detected file is not PT type :http://www.pnml.org/version-2009/grammar/symmetricnet
log4j:WARN No appenders could be found for logger (org.apache.axiom.locator.DefaultOMMetaFactoryLocator).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
[2025-06-05 21:19:46] [WARNING] Using fallBack plugin, rng conformance not checked
[2025-06-05 21:19:46] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 486 ms
[2025-06-05 21:19:46] [INFO ] Imported 1 HL places and 2 HL transitions for a total of 36 PT places and 222.0 transition bindings in 15 ms.
[2025-06-05 21:19:46] [INFO ] Built PT skeleton of HLPN with 1 places and 2 transitions 4 arcs in 4 ms.
[2025-06-05 21:19:46] [INFO ] Skeletonized 0 HLPN properties in 0 ms.
[2025-06-05 21:19:46] [INFO ] Unfolded HLPN to a Petri net with 36 places and 156 transitions 624 arcs in 16 ms.
[2025-06-05 21:19:46] [INFO ] Unfolded 0 HLPN properties in 0 ms.
[2025-06-05 21:19:46] [INFO ] Unfolded HLPN to a Petri net with 36 places and 156 transitions 624 arcs in 5 ms.
[2025-06-05 21:19:46] [INFO ] Unfolded 2 HLPN properties in 0 ms.
[2025-06-05 21:19:46] [INFO ] Built PT skeleton of HLPN with 1 places and 2 transitions 4 arcs in 1 ms.
[2025-06-05 21:19:46] [INFO ] Skeletonized 1 HLPN properties in 1 ms. Removed 1 properties that had guard overlaps.
Reduce places removed 1 places and 0 transitions.
Skeleton produced trivially non deadlocked net.
Domain [Process(6), Process(6)] of place State breaks symmetries in sort Process
[2025-06-05 21:19:46] [INFO ] Unfolded HLPN to a Petri net with 36 places and 156 transitions 624 arcs in 8 ms.
[2025-06-05 21:19:46] [INFO ] Unfolded 2 HLPN properties in 0 ms.
Built sparse matrix representations for Structural reductions in 5 ms.15698KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 36/36 places, 156/156 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 14 ms. Remains 36 /36 variables (removed 0) and now considering 156/156 (removed 0) transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 23 ms. Remains : 36/36 places, 156/156 transitions.
Starting structural reductions in DEADLOCK mode, iteration 0 : 36/36 places, 156/156 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 7 ms. Remains 36 /36 variables (removed 0) and now considering 156/156 (removed 0) transitions.
// Phase 1: matrix 156 rows 36 cols
[2025-06-05 21:19:47] [INFO ] Computed 6 invariants in 10 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 21:19:47] [INFO ] Implicit Places using invariants in 156 ms returned []
[2025-06-05 21:19:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 21:19:47] [INFO ] State equation strengthened by 130 read => feed constraints.
[2025-06-05 21:19:47] [INFO ] Implicit Places using invariants and state equation in 111 ms returned []
Implicit Place search using SMT with State Equation took 296 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-05 21:19:47] [INFO ] Redundant transitions in 4 ms returned []
Running 151 sub problems to find dead transitions.
[2025-06-05 21:19:47] [INFO ] Invariant cache hit.
[2025-06-05 21:19:47] [INFO ] State equation strengthened by 130 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 151 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/36 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 151 unsolved
At refinement iteration 2 (OVERLAPS) 156/192 variables, 36/42 constraints. Problems are: Problem set: 0 solved, 151 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/192 variables, 130/172 constraints. Problems are: Problem set: 0 solved, 151 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/192 variables, 0/172 constraints. Problems are: Problem set: 0 solved, 151 unsolved
At refinement iteration 5 (OVERLAPS) 0/192 variables, 0/172 constraints. Problems are: Problem set: 0 solved, 151 unsolved
No progress, stopping.
After SMT solving in domain Real declared 192/192 variables, and 172 constraints, problems are : Problem set: 0 solved, 151 unsolved in 4314 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 36/36 constraints, ReadFeed: 130/130 constraints, PredecessorRefiner: 151/151 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 151 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 151 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/36 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 151 unsolved
At refinement iteration 2 (OVERLAPS) 156/192 variables, 36/42 constraints. Problems are: Problem set: 0 solved, 151 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/192 variables, 130/172 constraints. Problems are: Problem set: 0 solved, 151 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/192 variables, 151/323 constraints. Problems are: Problem set: 0 solved, 151 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/192 variables, 0/323 constraints. Problems are: Problem set: 0 solved, 151 unsolved
At refinement iteration 6 (OVERLAPS) 0/192 variables, 0/323 constraints. Problems are: Problem set: 0 solved, 151 unsolved
No progress, stopping.
After SMT solving in domain Int declared 192/192 variables, and 323 constraints, problems are : Problem set: 0 solved, 151 unsolved in 4145 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 36/36 constraints, ReadFeed: 130/130 constraints, PredecessorRefiner: 151/151 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 8550ms problems are : Problem set: 0 solved, 151 unsolved
Search for dead transitions found 0 dead transitions in 8559ms
Finished structural reductions in DEADLOCK mode , in 1 iterations and 8877 ms. Remains : 36/36 places, 156/156 transitions.
Random walk for 1250000 steps, including 0 resets, run took 839 ms (no deadlock found). (steps per millisecond=1489 )
Random directed walk for 1250000 steps, including 0 resets, run took 671 ms (no deadlock found). (steps per millisecond=1862 )
[2025-06-05 21:19:57] [INFO ] Invariant cache hit.
Starting Z3 with timeout 300.0 s and query timeout 30000.0 ms
[2025-06-05 21:19:57] [INFO ] [Real]Absence check using 6 positive place invariants in 2 ms returned unsat
[2025-06-05 21:19:57] [INFO ] Unfolded HLPN to a Petri net with 36 places and 156 transitions 624 arcs in 2 ms.
[2025-06-05 21:19:57] [INFO ] Unfolded 2 HLPN properties in 0 ms.
Initial state reduction rules removed 1 formulas.
RANDOM walk for 38 steps (0 resets) in 5 ms. (6 steps per ms) remains 0/1 properties
[2025-06-05 21:19:57] [INFO ] Flatten gal took : 32 ms
[2025-06-05 21:19:57] [INFO ] Flatten gal took : 12 ms
[2025-06-05 21:19:57] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16442906457868332587.gal : 9 ms
[2025-06-05 21:19:57] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality15650372888786853837.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/ReachabilityCardinality16442906457868332587.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality15650372888786853837.prop' '--nowitness' '--gen-order' 'FOLLOW'

ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query QuasiLiveness after proving 2 properties.
Net is quasi-live, checking if it is reversible to establish liveness.
Net is conservative; using simplified expression for initial state.
[2025-06-05 21:19:57] [INFO ] Flatten gal took : 11 ms
[2025-06-05 21:19:57] [INFO ] Flatten gal took : 10 ms
[2025-06-05 21:19:57] [INFO ] Time to serialize gal into /tmp/CTLFireability11369836641278256496.gal : 5 ms
[2025-06-05 21:19:57] [INFO ] Time to serialize properties into /tmp/CTLFireability2302116926115212430.ctl : 2 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/CTLFireability11369836641278256496.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability2302116926115212430.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,166,0.035168,4752,2,376,5,1409,6,0,303,927,0


Converting to forward existential form...Done !
original formula: AG(EF(((((State_0==1)&&(State_7==1))&&((State_14==1)&&(State_21==1)))&&((State_28==1)&&(State_35==1)))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((((State_0==1)&&(State_7==1))&&((State_14==1)&&(State_21==1)))&&((State_28==1)&&...182
Reverse transition relation is NOT exact ! Due to transitions MainProcessx0, MainProcessx1, MainProcessx2, MainProcessx3, MainProcessx4, MainProcessx5, Oth...1531
(forward)formula 0,0,0.081137,6800,1,0,209,10501,239,74,2174,10913,232
[2025-06-05 21:19:57] [INFO ] Flatten gal took : 12 ms
[2025-06-05 21:19:57] [INFO ] Flatten gal took : 11 ms
[2025-06-05 21:19:57] [INFO ] Time to serialize gal into /tmp/CTLFireability16207461407458085326.gal : 3 ms
[2025-06-05 21:19:57] [INFO ] Time to serialize properties into /tmp/CTLFireability11435282782612356844.ctl : 2 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/CTLFireability16207461407458085326.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability11435282782612356844.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 -...285
No direction supplied, using forward translation only.
Parsed 2 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,166,0.024596,4792,2,376,5,1409,6,0,303,927,0


Converting to forward existential form...Done !
original formula: AG(EF((((((State_1>=1)&&(State_31>=1))||((State_2>=1)&&(State_32>=1)))||(((State_3>=1)&&(State_33>=1))||((State_5>=1)&&(State_35>=1))))||...220
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U (((((State_1>=1)&&(State_31>=1))||((State_2>=1)&&(State_32>=1)))||(((State_3>=1)&...280
Reverse transition relation is NOT exact ! Due to transitions MainProcessx0, MainProcessx1, MainProcessx2, MainProcessx3, MainProcessx4, MainProcessx5, Oth...1531
(forward)formula 0,1,0.095328,7992,1,0,222,16969,239,82,2168,20546,241
Formula is TRUE !

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

original formula: AG(EF(((((((((((State_4>=1)&&(State_8>=1))||((State_25>=1)&&(State_30>=1)))||(((State_9>=1)&&(State_13>=1))||((State_20>=1)&&(State_25>=1...5052
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((((((((((State_4>=1)&&(State_8>=1))||((State_25>=1)&&(State_30>=1)))||(((State_9...5112
(forward)formula 1,1,0.168642,10552,1,0,224,18966,240,84,2198,23683,245
Formula is TRUE !

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

Able to resolve query Liveness after proving 3 properties.
FORMULA Liveness TRUE TECHNIQUES RANDOM_WALK DECISION_DIAGRAMS TOPOLOGICAL INITIAL_STATE
Total runtime 11686 ms.

BK_STOP 1749158398002

--------------------
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="TokenRing-COL-005"
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 TokenRing-COL-005, 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-174915598500159"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/TokenRing-COL-005.tgz
mv TokenRing-COL-005 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 ;