fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r148-tall-177961075400452
Last Updated
Jun 17, 2026

About the Execution of Tapaal for GPUForwardProgress-PT-20b

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
363.271 3423.00 4972.00 32.70 FTFFFTFFTFFFFTTF normal

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.r148-tall-177961075400452.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 tapaal
Input is GPUForwardProgress-PT-20b, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r148-tall-177961075400452
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 628K
-rw-r--r-- 1 mcc users 7.3K Mar 7 11:34 CTLCardinality.txt
-rw-r--r-- 1 mcc users 76K Mar 7 11:34 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.4K Mar 7 11:34 CTLFireability.txt
-rw-r--r-- 1 mcc users 49K Mar 7 11:34 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.9K Mar 15 10:37 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 10:37 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Mar 15 10:37 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 10:37 LTLFireability.xml
-rw-r--r-- 1 mcc users 17K Mar 7 11:34 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 191K Mar 7 11:34 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.3K Mar 7 11:34 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 80K Mar 7 11:34 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 10:37 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 10:37 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
-rw-r--r-- 1 mcc users 103K 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

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME GPUForwardProgress-PT-20b-LTLFireability-00
FORMULA_NAME GPUForwardProgress-PT-20b-LTLFireability-01
FORMULA_NAME GPUForwardProgress-PT-20b-LTLFireability-02
FORMULA_NAME GPUForwardProgress-PT-20b-LTLFireability-03
FORMULA_NAME GPUForwardProgress-PT-20b-LTLFireability-04
FORMULA_NAME GPUForwardProgress-PT-20b-LTLFireability-05
FORMULA_NAME GPUForwardProgress-PT-20b-LTLFireability-06
FORMULA_NAME GPUForwardProgress-PT-20b-LTLFireability-07
FORMULA_NAME GPUForwardProgress-PT-20b-LTLFireability-08
FORMULA_NAME GPUForwardProgress-PT-20b-LTLFireability-09
FORMULA_NAME GPUForwardProgress-PT-20b-LTLFireability-10
FORMULA_NAME GPUForwardProgress-PT-20b-LTLFireability-11
FORMULA_NAME GPUForwardProgress-PT-20b-LTLFireability-12
FORMULA_NAME GPUForwardProgress-PT-20b-LTLFireability-13
FORMULA_NAME GPUForwardProgress-PT-20b-LTLFireability-14
FORMULA_NAME GPUForwardProgress-PT-20b-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1779751695644

tapaal
Got BK_BIN_PATH=/home/mcc/BenchKit/bin/
---> tapaal --- TAPAAL
Setting MODEL_PATH=.
Setting VERIFYPN=/home/mcc/BenchKit/bin/verifypn
Got BK_TIME_CONFINEMENT=3600
Setting TEMPDIR=/home/mcc/BenchKit/bin/tmp
Got BK_MEMORY_CONFINEMENT=16384
Limiting to 16265216 kB
Total timeout: 3590
Time left: 3590

*************************************
* TAPAAL verifying LTLFireability *
*************************************
TEMPDIR=/home/mcc/BenchKit/bin/tmp
QF=/home/mcc/BenchKit/bin/tmp/tmp.yWN6huJLRe
MF=/home/mcc/BenchKit/bin/tmp/tmp.PsSkBxta8X
Time left: 3590
---------------------------------------------------
Step -1: Stripping Colors
---------------------------------------------------
Verifying stripped models (16 in total)

Time left: 3590
---------------------------------------------------
Step 0: Parallel Simplification
---------------------------------------------------
Doing parallel simplification (16 in total)
Total simplification timout is 718 -- reduction timeout is 299
timeout 1017 /home/mcc/BenchKit/bin/verifypn -n -ltl -q 718 -l 29 -d 299 -z 4 -s OverApprox --binary-query-io 2 --write-simplified /home/mcc/BenchKit/bin/tmp/tmp.yWN6huJLRe --write-reduced /home/mcc/BenchKit/bin/tmp/tmp.PsSkBxta8X -x 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16 ./model.pnml ./LTLFireability.xml

FORMULA GPUForwardProgress-PT-20b-LTLFireability-01 TRUE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT LP_APPROX
Query index 1 was solved

Query is satisfied.

FORMULA GPUForwardProgress-PT-20b-LTLFireability-03 FALSE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT LP_APPROX
Query index 3 was solved

Query is NOT satisfied.

FORMULA GPUForwardProgress-PT-20b-LTLFireability-05 TRUE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT LP_APPROX
Query index 5 was solved

Query is satisfied.

FORMULA GPUForwardProgress-PT-20b-LTLFireability-06 FALSE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT LP_APPROX
Query index 6 was solved

Query is NOT satisfied.

FORMULA GPUForwardProgress-PT-20b-LTLFireability-08 TRUE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT LP_APPROX
Query index 8 was solved

Query is satisfied.
Solution found by parallel simplification (step 0)
Solution found by parallel simplification (step 0)
Solution found by parallel simplification (step 0)
Solution found by parallel simplification (step 0)
Solution found by parallel simplification (step 0)
Time left: 3590

---------------------------------------------------
Step 1: Parallel processing
---------------------------------------------------
Doing parallel verification of individual queries (11 in total)
Each query is verified by 4 parallel strategies for 299 seconds
------------------- QUERY 1 ----------------------
Solution found by parallel processing (step 1)

Query index 0 was solved
Query is NOT satisfied.
Spent 0.010369 on verification
@@@0.02,19780@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n '-ltl ndfs -q 0 -l 0 -d 119' /home/mcc/BenchKit/bin/tmp/tmp.PsSkBxta8X /home/mcc/BenchKit/bin/tmp/tmp.yWN6huJLRe --binary-query-io 1 -x 1 -n

FORMULA GPUForwardProgress-PT-20b-LTLFireability-09 FALSE TECHNIQUES EXPLICIT NDFS WEAK_SKIP HEURISTIC AUTOMATON_HEUR OPTIM-1
Time left: 3589
------------------- QUERY 2 ----------------------
Solution found by parallel processing (step 1)

Query index 0 was solved
Query is NOT satisfied.
Spent 0.010641 on verification
@@@0.01,20020@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n '-ltl ndfs -q 0 -l 0 -d 119' /home/mcc/BenchKit/bin/tmp/tmp.PsSkBxta8X /home/mcc/BenchKit/bin/tmp/tmp.yWN6huJLRe --binary-query-io 1 -x 2 -n

FORMULA GPUForwardProgress-PT-20b-LTLFireability-10 FALSE TECHNIQUES EXPLICIT NDFS WEAK_SKIP HEURISTIC AUTOMATON_HEUR OPTIM-1
Time left: 3589
------------------- QUERY 3 ----------------------
Solution found by parallel processing (step 1)

Query index 0 was solved
Query is NOT satisfied.
Spent 0.012224 on verification
@@@0.02,20388@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n '-ltl ndfs -q 0 -l 0 -d 119' /home/mcc/BenchKit/bin/tmp/tmp.PsSkBxta8X /home/mcc/BenchKit/bin/tmp/tmp.yWN6huJLRe --binary-query-io 1 -x 3 -n

FORMULA GPUForwardProgress-PT-20b-LTLFireability-11 FALSE TECHNIQUES EXPLICIT NDFS WEAK_SKIP HEURISTIC AUTOMATON_HEUR OPTIM-1
Time left: 3589
------------------- QUERY 4 ----------------------
Solution found by parallel processing (step 1)

Query index 0 was solved
Query is NOT satisfied.
Spent 0.010913 on verification
@@@0.02,20012@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n '-ltl ndfs -q 0 -l 0 -d 119' /home/mcc/BenchKit/bin/tmp/tmp.PsSkBxta8X /home/mcc/BenchKit/bin/tmp/tmp.yWN6huJLRe --binary-query-io 1 -x 4 -n

FORMULA GPUForwardProgress-PT-20b-LTLFireability-04 FALSE TECHNIQUES EXPLICIT NDFS WEAK_SKIP HEURISTIC AUTOMATON_HEUR OPTIM-1
Time left: 3588
------------------- QUERY 5 ----------------------
Solution found by parallel processing (step 1)

Query index 0 was solved
Query is NOT satisfied.
Spent 0.016408 on verification
@@@0.03,19676@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n '-ltl ndfs -q 0 -l 0 -d 119' /home/mcc/BenchKit/bin/tmp/tmp.PsSkBxta8X /home/mcc/BenchKit/bin/tmp/tmp.yWN6huJLRe --binary-query-io 1 -x 5 -n

FORMULA GPUForwardProgress-PT-20b-LTLFireability-02 FALSE TECHNIQUES EXPLICIT NDFS WEAK_SKIP HEURISTIC AUTOMATON_HEUR OPTIM-1
Time left: 3588
------------------- QUERY 6 ----------------------
Solution found by parallel processing (step 1)

Query index 0 was solved
Query is NOT satisfied.
Spent 0.060624 on verification
@@@0.07,149472@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n '-ltl tarjan --ltl-heur fire-count -q 0 -l 0 -d 119' /home/mcc/BenchKit/bin/tmp/tmp.PsSkBxta8X /home/mcc/BenchKit/bin/tmp/tmp.yWN6huJLRe --binary-query-io 1 -x 6 -n

FORMULA GPUForwardProgress-PT-20b-LTLFireability-12 FALSE TECHNIQUES EXPLICIT TARJAN WEAK_SKIP STUBBORN AUT_STUB HEURISTIC LOGFIRECOUNT_HEUR(5000) OPTIM-1
Time left: 3588
------------------- QUERY 7 ----------------------
Solution found by parallel processing (step 1)

Query index 0 was solved
Query is NOT satisfied.
Spent 0.015805 on verification
@@@0.02,21320@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n '-ltl ndfs -q 0 -l 0 -d 119' /home/mcc/BenchKit/bin/tmp/tmp.PsSkBxta8X /home/mcc/BenchKit/bin/tmp/tmp.yWN6huJLRe --binary-query-io 1 -x 7 -n

FORMULA GPUForwardProgress-PT-20b-LTLFireability-07 FALSE TECHNIQUES EXPLICIT NDFS WEAK_SKIP HEURISTIC AUTOMATON_HEUR OPTIM-1
Time left: 3588
------------------- QUERY 8 ----------------------
Solution found by parallel processing (step 1)

Query index 0 was solved
Query is NOT satisfied.
Spent 0.014275 on verification
@@@0.02,20764@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n '-ltl ndfs -q 0 -l 0 -d 119' /home/mcc/BenchKit/bin/tmp/tmp.PsSkBxta8X /home/mcc/BenchKit/bin/tmp/tmp.yWN6huJLRe --binary-query-io 1 -x 8 -n

FORMULA GPUForwardProgress-PT-20b-LTLFireability-00 FALSE TECHNIQUES EXPLICIT NDFS WEAK_SKIP HEURISTIC AUTOMATON_HEUR OPTIM-1
Time left: 3587
------------------- QUERY 9 ----------------------
Solution found by parallel processing (step 1)

Query index 0 was solved
Query is NOT satisfied.
Spent 0.018075 on verification
@@@0.02,22052@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n '-ltl ndfs -q 0 -l 0 -d 119' /home/mcc/BenchKit/bin/tmp/tmp.PsSkBxta8X /home/mcc/BenchKit/bin/tmp/tmp.yWN6huJLRe --binary-query-io 1 -x 9 -n

FORMULA GPUForwardProgress-PT-20b-LTLFireability-15 FALSE TECHNIQUES EXPLICIT NDFS WEAK_SKIP HEURISTIC AUTOMATON_HEUR OPTIM-1
Time left: 3587
------------------- QUERY 10 ----------------------
Solution found by parallel processing (step 1)

Query index 0 was solved
Query is satisfied.
Spent 0.014997 on verification
@@@0.02,21596@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n '-ltl ndfs -q 0 -l 0 -d 119' /home/mcc/BenchKit/bin/tmp/tmp.PsSkBxta8X /home/mcc/BenchKit/bin/tmp/tmp.yWN6huJLRe --binary-query-io 1 -x 10 -n

FORMULA GPUForwardProgress-PT-20b-LTLFireability-14 TRUE TECHNIQUES EXPLICIT NDFS WEAK_SKIP HEURISTIC AUTOMATON_HEUR OPTIM-1
Time left: 3587
------------------- QUERY 11 ----------------------
Solution found by parallel processing (step 1)

Query index 0 was solved
Query is satisfied.
Spent 0.059819 on verification
@@@0.06,22220@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n '-ltl ndfs -q 0 -l 0 -d 119' /home/mcc/BenchKit/bin/tmp/tmp.PsSkBxta8X /home/mcc/BenchKit/bin/tmp/tmp.yWN6huJLRe --binary-query-io 1 -x 11 -n

FORMULA GPUForwardProgress-PT-20b-LTLFireability-13 TRUE TECHNIQUES EXPLICIT NDFS WEAK_SKIP HEURISTIC AUTOMATON_HEUR OPTIM-1
Time left: 3586
All queries are solved
Time left: 3586
terminated-with-cleanup

BK_STOP 1779751699067

--------------------
content from stderr:

ERROR: A query could not be translated from CTL* to CTL.

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="GPUForwardProgress-PT-20b"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="tapaal"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
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 tapaal"
echo " Input is GPUForwardProgress-PT-20b, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r148-tall-177961075400452"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/GPUForwardProgress-PT-20b.tgz
mv GPUForwardProgress-PT-20b execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "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 [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "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 "LTLFireability.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 '' LTLFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLFireability"
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 ;