fond
Model Checking Contest 2025
15th edition, Paris, France, June 24, 2025
Execution of r259-tall-174931345500344
Last Updated
June 24, 2025

About the Execution of ITS-Tools for ZombiesAndSurvivors-PT-Circular32050050

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
0.000 42603.00 0.00 0.00 F normal

Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r259-tall-174931345500344.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 ZombiesAndSurvivors-PT-Circular32050050, examination is Liveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r259-tall-174931345500344
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 496K
-rw-r--r-- 1 mcc users 9.4K Jun 6 09:11 CTLCardinality.txt
-rw-r--r-- 1 mcc users 81K Jun 6 09:11 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.6K Jun 6 09:10 CTLFireability.txt
-rw-r--r-- 1 mcc users 43K Jun 6 09:10 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.7K Jun 6 12:18 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Jun 6 12:18 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.4K Jun 6 12:18 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Jun 6 12:18 LTLFireability.xml
-rw-r--r-- 1 mcc users 1 Jun 5 20:08 NewModel
-rw-r--r-- 1 mcc users 8.5K Jun 6 09:12 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 60K Jun 6 09:12 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 14K Jun 6 09:12 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 85K Jun 6 09:12 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.1K Jun 6 12:18 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.1K Jun 6 12:18 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Jun 5 20:08 equiv_col
-rw-r--r-- 1 mcc users 17 Jun 5 20:08 instance
-rw-r--r-- 1 mcc users 6 Jun 5 20:08 iscolored
-rw-r--r-- 1 mcc users 82K Jun 5 20:08 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 1749324657645

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=Liveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=ZombiesAndSurvivors-PT-Circular32050050
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
Liveness PT
Running Version 202505121319
[2025-06-07 19:30:58] [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]
[2025-06-07 19:30:58] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-07 19:30:59] [INFO ] Load time of PNML (sax parser for PT used): 59 ms
[2025-06-07 19:30:59] [INFO ] Transformed 64 places.
[2025-06-07 19:30:59] [INFO ] Transformed 192 transitions.
[2025-06-07 19:30:59] [INFO ] Parsed PT model containing 64 places and 192 transitions and 448 arcs in 151 ms.
Discarding 160 transitions out of 192. Remains 32
Built sparse matrix representations for Structural reductions in 5 ms.15045KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 64/64 places, 192/192 transitions.
Computed a total of 0 stabilizing places and 32 stable transitions
Computed a total of 0 stabilizing places and 32 stable transitions
Computed a total of 0 stabilizing places and 32 stable transitions
Applied a total of 0 rules in 17 ms. Remains 64 /64 variables (removed 0) and now considering 192/192 (removed 0) transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 29 ms. Remains : 64/64 places, 192/192 transitions.
Starting structural reductions in DEADLOCK mode, iteration 0 : 64/64 places, 192/192 transitions.
Computed a total of 0 stabilizing places and 32 stable transitions
Computed a total of 0 stabilizing places and 32 stable transitions
Computed a total of 0 stabilizing places and 32 stable transitions
Applied a total of 0 rules in 7 ms. Remains 64 /64 variables (removed 0) and now considering 192/192 (removed 0) transitions.
// Phase 1: matrix 192 rows 64 cols
[2025-06-07 19:30:59] [INFO ] Computed 0 invariants in 11 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 19:30:59] [INFO ] Implicit Places using invariants in 143 ms returned []
[2025-06-07 19:30:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 19:30:59] [INFO ] State equation strengthened by 62 read => feed constraints.
[2025-06-07 19:30:59] [INFO ] Implicit Places using invariants and state equation in 164 ms returned []
Implicit Place search using SMT with State Equation took 339 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-07 19:30:59] [INFO ] Redundant transitions in 7 ms returned []
Running 188 sub problems to find dead transitions.
[2025-06-07 19:30:59] [INFO ] Invariant cache hit.
[2025-06-07 19:30:59] [INFO ] State equation strengthened by 62 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 1 (OVERLAPS) 192/256 variables, 64/64 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/256 variables, 62/126 constraints. Problems are: Problem set: 0 solved, 188 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/256 variables, 0/126 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 4 (OVERLAPS) 0/256 variables, 0/126 constraints. Problems are: Problem set: 0 solved, 188 unsolved
No progress, stopping.
After SMT solving in domain Real declared 256/256 variables, and 126 constraints, problems are : Problem set: 0 solved, 188 unsolved in 9422 ms.
Refiners :[State Equation: 64/64 constraints, ReadFeed: 62/62 constraints, PredecessorRefiner: 188/188 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 188 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 1 (OVERLAPS) 192/256 variables, 64/64 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/256 variables, 62/126 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/256 variables, 188/314 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/256 variables, 0/314 constraints. Problems are: Problem set: 0 solved, 188 unsolved
At refinement iteration 5 (OVERLAPS) 0/256 variables, 0/314 constraints. Problems are: Problem set: 0 solved, 188 unsolved
No progress, stopping.
After SMT solving in domain Int declared 256/256 variables, and 314 constraints, problems are : Problem set: 0 solved, 188 unsolved in 30016 ms.
Refiners :[State Equation: 64/64 constraints, ReadFeed: 62/62 constraints, PredecessorRefiner: 188/188 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 39509ms problems are : Problem set: 0 solved, 188 unsolved
Search for dead transitions found 0 dead transitions in 39518ms
Finished structural reductions in DEADLOCK mode , in 1 iterations and 39885 ms. Remains : 64/64 places, 192/192 transitions.
Random walk for 1250044 steps, including 0 resets, run took 154 ms (no deadlock found). (steps per millisecond=8117 )
Random directed walk for 1250010 steps, including 0 resets, run took 123 ms (no deadlock found). (steps per millisecond=10162 )
[2025-06-07 19:31:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 300.0 s and query timeout 30000.0 ms
[2025-06-07 19:31:39] [INFO ] [Real]Absence check using state equation in 49 ms returned sat
[2025-06-07 19:31:39] [INFO ] State equation strengthened by 62 read => feed constraints.
[2025-06-07 19:31:39] [INFO ] [Real]Added 62 Read/Feed constraints in 12 ms returned sat
[2025-06-07 19:31:39] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 300.0 s and query timeout 30000.0 ms
[2025-06-07 19:31:39] [INFO ] [Nat]Absence check using state equation in 36 ms returned sat
[2025-06-07 19:31:39] [INFO ] State equation strengthened by 62 read => feed constraints.
[2025-06-07 19:31:39] [INFO ] [Nat]Added 62 Read/Feed constraints in 12 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 19:31:39] [INFO ] Deduced a trap composed of 64 places in 79 ms of which 29 ms to minimize.
[2025-06-07 19:31:39] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 1 trap constraints in 91 ms
Starting structural reductions in LIVENESS mode, iteration 0 : 64/64 places, 192/192 transitions.
Graph (trivial) has 128 edges and 64 vertex of which 64 / 64 are part of one of the 2 SCC in 1 ms
Free SCC test removed 62 places
Ensure Unique test removed 188 transitions
Reduce isomorphic transitions removed 188 transitions.
Applied a total of 1 rules in 12 ms. Remains 2 /64 variables (removed 62) and now considering 4/192 (removed 188) transitions.
[2025-06-07 19:31:39] [INFO ] Flow matrix only has 3 transitions (discarded 1 similar events)
// Phase 1: matrix 3 rows 2 cols
[2025-06-07 19:31:39] [INFO ] Computed 0 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 19:31:39] [INFO ] Implicit Places using invariants in 18 ms returned []
[2025-06-07 19:31:39] [INFO ] Flow matrix only has 3 transitions (discarded 1 similar events)
[2025-06-07 19:31:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 19:31:39] [INFO ] Implicit Places using invariants and state equation in 50 ms returned []
Implicit Place search using SMT with State Equation took 85 ms to find 0 implicit places.
Running 0 sub problems to find dead transitions.
Search for dead transitions found 0 dead transitions in 0ms
Starting structural reductions in LIVENESS mode, iteration 1 : 2/64 places, 4/192 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 97 ms. Remains : 2/64 places, 4/192 transitions.
Discarding 3 transitions out of 4. Remains 1
Initial state reduction rules removed 1 formulas.
Able to resolve query QuasiLiveness after proving 1 properties.
Starting structural reductions in LIVENESS mode, iteration 0 : 64/64 places, 192/192 transitions.
Graph (trivial) has 128 edges and 64 vertex of which 64 / 64 are part of one of the 2 SCC in 0 ms
Free SCC test removed 62 places
Ensure Unique test removed 188 transitions
Reduce isomorphic transitions removed 188 transitions.
Applied a total of 1 rules in 1 ms. Remains 2 /64 variables (removed 62) and now considering 4/192 (removed 188) transitions.
[2025-06-07 19:31:39] [INFO ] Flow matrix only has 3 transitions (discarded 1 similar events)
[2025-06-07 19:31:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 19:31:39] [INFO ] Implicit Places using invariants in 13 ms returned []
[2025-06-07 19:31:39] [INFO ] Flow matrix only has 3 transitions (discarded 1 similar events)
[2025-06-07 19:31:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 19:31:39] [INFO ] Implicit Places using invariants and state equation in 17 ms returned []
Implicit Place search using SMT with State Equation took 33 ms to find 0 implicit places.
Running 0 sub problems to find dead transitions.
Search for dead transitions found 0 dead transitions in 0ms
Starting structural reductions in LIVENESS mode, iteration 1 : 2/64 places, 4/192 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 34 ms. Remains : 2/64 places, 4/192 transitions.
Discarding 3 transitions out of 4. Remains 1
Net is quasi-live, checking if it is reversible to establish liveness.
[2025-06-07 19:31:39] [INFO ] Flatten gal took : 10 ms
[2025-06-07 19:31:39] [INFO ] Flatten gal took : 1 ms
[2025-06-07 19:31:39] [INFO ] Time to serialize gal into /tmp/CTLFireability5397058141786220336.gal : 3 ms
[2025-06-07 19:31:39] [INFO ] Time to serialize properties into /tmp/CTLFireability18046584267323069304.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/CTLFireability5397058141786220336.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability18046584267323069304.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,3874,0.092637,5792,2,54,5,9716,6,0,13,12112,0


Converting to forward existential form...Done !
original formula: AG(EF(((pl_survivor_n32==50)&&(pl_undead_n32==50))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((pl_survivor_n32==50)&&(pl_undead_n32==50)))))] = FALSE
Reverse transition relation is NOT exact ! Due to transitions tr_kill_n32, Intersection with reachable at each step enabled. (destroyed/reverse/intersect/...170
(forward)formula 0,0,0.097595,6048,1,0,15,9716,25,8,204,12112,14
[2025-06-07 19:31:40] [INFO ] Flatten gal took : 2 ms
[2025-06-07 19:31:40] [INFO ] Flatten gal took : 1 ms
[2025-06-07 19:31:40] [INFO ] Time to serialize gal into /tmp/CTLFireability8121413796505409055.gal : 0 ms
[2025-06-07 19:31:40] [INFO ] Time to serialize properties into /tmp/CTLFireability4739146821594971343.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/CTLFireability8121413796505409055.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability4739146821594971343.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 -...283
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,3874,0.082659,5836,2,54,5,9716,6,0,13,12112,0


Converting to forward existential form...Done !
original formula: AG(EF(((pl_survivor_n32>=1)&&(pl_undead_n32>=1))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((pl_survivor_n32>=1)&&(pl_undead_n32>=1)))))] = FALSE
Reverse transition relation is NOT exact ! Due to transitions tr_kill_n32, Intersection with reachable at each step enabled. (destroyed/reverse/intersect/...170
(forward)formula 0,0,0.090332,6092,1,0,17,9716,25,9,201,12112,15
FORMULA Liveness FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL INITIAL_STATE
Total runtime 41260 ms.

BK_STOP 1749324700248

--------------------
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="ZombiesAndSurvivors-PT-Circular32050050"
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 ZombiesAndSurvivors-PT-Circular32050050, 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 r259-tall-174931345500344"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ZombiesAndSurvivors-PT-Circular32050050.tgz
mv ZombiesAndSurvivors-PT-Circular32050050 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 ;