fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r052-smll-177946901800180
Last Updated
Jun 17, 2026

About the Execution of Tapaal for CircadianClock-PT-000010

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
485.235 656223.00 1558427.00 931.20 FFFFFFFFFFFFTFFF 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.r052-smll-177946901800180.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)
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=====================================================================
Generated by BenchKit 2-5973
Executing tool tapaal
Input is CircadianClock-PT-000010, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r052-smll-177946901800180
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 480K
-rw-r--r-- 1 mcc users 6.0K Mar 6 10:53 CTLCardinality.txt
-rw-r--r-- 1 mcc users 60K Mar 6 10:53 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.8K Mar 6 10:53 CTLFireability.txt
-rw-r--r-- 1 mcc users 62K Mar 6 10:53 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.7K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.8K Mar 15 08:03 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Mar 15 08:03 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.6K Mar 15 08:03 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 08:03 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Mar 6 10:53 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 144K Mar 6 10:53 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.3K Mar 6 10:53 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 63K Mar 6 10:53 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 08:03 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 08:03 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 7 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 11K 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 CircadianClock-PT-000010-LTLFireability-00
FORMULA_NAME CircadianClock-PT-000010-LTLFireability-01
FORMULA_NAME CircadianClock-PT-000010-LTLFireability-02
FORMULA_NAME CircadianClock-PT-000010-LTLFireability-03
FORMULA_NAME CircadianClock-PT-000010-LTLFireability-04
FORMULA_NAME CircadianClock-PT-000010-LTLFireability-05
FORMULA_NAME CircadianClock-PT-000010-LTLFireability-06
FORMULA_NAME CircadianClock-PT-000010-LTLFireability-07
FORMULA_NAME CircadianClock-PT-000010-LTLFireability-08
FORMULA_NAME CircadianClock-PT-000010-LTLFireability-09
FORMULA_NAME CircadianClock-PT-000010-LTLFireability-10
FORMULA_NAME CircadianClock-PT-000010-LTLFireability-11
FORMULA_NAME CircadianClock-PT-000010-LTLFireability-12
FORMULA_NAME CircadianClock-PT-000010-LTLFireability-13
FORMULA_NAME CircadianClock-PT-000010-LTLFireability-14
FORMULA_NAME CircadianClock-PT-000010-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1779568745626

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.ie8S2ibHZU
MF=/home/mcc/BenchKit/bin/tmp/tmp.9dMvTXK6w6
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.ie8S2ibHZU --write-reduced /home/mcc/BenchKit/bin/tmp/tmp.9dMvTXK6w6 -x 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16 ./model.pnml ./LTLFireability.xml

FORMULA CircadianClock-PT-000010-LTLFireability-05 FALSE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT LP_APPROX
Query index 5 was solved

Query is NOT satisfied.

FORMULA CircadianClock-PT-000010-LTLFireability-09 FALSE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT LP_APPROX
Query index 9 was solved

Query is NOT satisfied.

FORMULA CircadianClock-PT-000010-LTLFireability-10 FALSE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT LP_APPROX
Query index 10 was solved

Query is NOT satisfied.

FORMULA CircadianClock-PT-000010-LTLFireability-12 TRUE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT LP_APPROX
Query index 12 was solved

Query is satisfied.

FORMULA CircadianClock-PT-000010-LTLFireability-13 FALSE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT LP_APPROX
Query index 13 was solved

Query is NOT 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 0.123789 on verification
@@@0.12,147316@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n '-ltl tarjan --ltl-heur aut -s DFS -p -q 0 -l 0 -d 119' /home/mcc/BenchKit/bin/tmp/tmp.9dMvTXK6w6 /home/mcc/BenchKit/bin/tmp/tmp.ie8S2ibHZU --binary-query-io 1 -x 1 -n

FORMULA CircadianClock-PT-000010-LTLFireability-08 FALSE TECHNIQUES EXPLICIT TARJAN WEAK_SKIP OPTIM-1
Time left: 3589
------------------- QUERY 2 ----------------------
Solution found by parallel processing (step 1)

Query index 0 was solved
Query is NOT satisfied.
Spent 0.030829 on verification
@@@0.03,19892@@@
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.9dMvTXK6w6 /home/mcc/BenchKit/bin/tmp/tmp.ie8S2ibHZU --binary-query-io 1 -x 2 -n

FORMULA CircadianClock-PT-000010-LTLFireability-11 FALSE TECHNIQUES EXPLICIT NDFS WEAK_SKIP HEURISTIC AUTOMATON_HEUR OPTIM-1
Time left: 3588
------------------- QUERY 3 ----------------------
Solution found by parallel processing (step 1)

Query index 0 was solved
Query is NOT satisfied.
Spent 0.017623 on verification
@@@0.04,19136@@@
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.9dMvTXK6w6 /home/mcc/BenchKit/bin/tmp/tmp.ie8S2ibHZU --binary-query-io 1 -x 3 -n

FORMULA CircadianClock-PT-000010-LTLFireability-03 FALSE TECHNIQUES EXPLICIT NDFS WEAK_SKIP HEURISTIC AUTOMATON_HEUR OPTIM-1
Time left: 3588
------------------- QUERY 4 ----------------------
Solution found by parallel processing (step 1)

Query index 0 was solved
Query is NOT satisfied.
Spent 0.039321 on verification
@@@0.05,19372@@@
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.9dMvTXK6w6 /home/mcc/BenchKit/bin/tmp/tmp.ie8S2ibHZU --binary-query-io 1 -x 4 -n

FORMULA CircadianClock-PT-000010-LTLFireability-07 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 0.013921 on verification
@@@0.01,20108@@@
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.9dMvTXK6w6 /home/mcc/BenchKit/bin/tmp/tmp.ie8S2ibHZU --binary-query-io 1 -x 5 -n

FORMULA CircadianClock-PT-000010-LTLFireability-15 FALSE TECHNIQUES EXPLICIT NDFS WEAK_SKIP HEURISTIC AUTOMATON_HEUR OPTIM-1
Time left: 3587
------------------- QUERY 6 ----------------------
Solution found by parallel processing (step 1)

Query index 0 was solved
Query is NOT satisfied.
Spent 0.017025 on verification
@@@0.03,20376@@@
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.9dMvTXK6w6 /home/mcc/BenchKit/bin/tmp/tmp.ie8S2ibHZU --binary-query-io 1 -x 6 -n

FORMULA CircadianClock-PT-000010-LTLFireability-02 FALSE TECHNIQUES EXPLICIT NDFS WEAK_SKIP HEURISTIC AUTOMATON_HEUR OPTIM-1
Time left: 3587
------------------- QUERY 7 ----------------------
Solution found by parallel processing (step 1)

Query index 0 was solved
Query is NOT satisfied.
Spent 0.086919 on verification
@@@0.09,147796@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n '-ltl tarjan --ltl-heur aut -s DFS -p -q 0 -l 0 -d 119' /home/mcc/BenchKit/bin/tmp/tmp.9dMvTXK6w6 /home/mcc/BenchKit/bin/tmp/tmp.ie8S2ibHZU --binary-query-io 1 -x 7 -n

FORMULA CircadianClock-PT-000010-LTLFireability-01 FALSE TECHNIQUES EXPLICIT TARJAN WEAK_SKIP OPTIM-1
Time left: 3586
------------------- QUERY 8 ----------------------
Solution found by parallel processing (step 1)

Query index 0 was solved
Query is NOT satisfied.
Spent 0.028792 on verification
@@@0.03,19800@@@
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.9dMvTXK6w6 /home/mcc/BenchKit/bin/tmp/tmp.ie8S2ibHZU --binary-query-io 1 -x 8 -n

FORMULA CircadianClock-PT-000010-LTLFireability-00 FALSE TECHNIQUES EXPLICIT NDFS WEAK_SKIP HEURISTIC AUTOMATON_HEUR OPTIM-1
Time left: 3586
------------------- QUERY 9 ----------------------
Solution found by parallel processing (step 1)

Query index 0 was solved
Query is NOT satisfied.
Spent 0.051783 on verification
@@@0.05,147380@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n '-ltl tarjan --ltl-heur aut -s DFS -p -q 0 -l 0 -d 119' /home/mcc/BenchKit/bin/tmp/tmp.9dMvTXK6w6 /home/mcc/BenchKit/bin/tmp/tmp.ie8S2ibHZU --binary-query-io 1 -x 9 -n

FORMULA CircadianClock-PT-000010-LTLFireability-04 FALSE TECHNIQUES EXPLICIT TARJAN WEAK_SKIP OPTIM-1
Time left: 3586
------------------- QUERY 10 ----------------------
Solution found by parallel processing (step 1)

Query index 0 was solved
Query is NOT satisfied.
Spent 0.067494 on verification
@@@0.07,147532@@@
FORMULA CircadianClock-PT-000010-LTLFireability-06 FALSE TECHNIQUES EXPLICIT TARJAN WEAK_SKIP OPTIM-1

Query index 0 was solved
Query is NOT satisfied.
Spent 0.065638 on verification
@@@0.06,147608@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n '-ltl tarjan --ltl-heur aut -s DFS -p -q 0 -l 0 -d 119' /home/mcc/BenchKit/bin/tmp/tmp.9dMvTXK6w6 /home/mcc/BenchKit/bin/tmp/tmp.ie8S2ibHZU --binary-query-io 1 -x 10 -n

FORMULA CircadianClock-PT-000010-LTLFireability-06 FALSE TECHNIQUES EXPLICIT TARJAN WEAK_SKIP STUBBORN AUT_STUB HEURISTIC DIST_HEUR OPTIM-1
Time left: 3585
------------------- QUERY 11 ----------------------
No solution found
parallel: Warning: This job was killed because it timed out:
parallel: Warning: eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n '-ltl tarjan --ltl-heur dist -q 0 -l 0 -d 119' /home/mcc/BenchKit/bin/tmp/tmp.9dMvTXK6w6 /home/mcc/BenchKit/bin/tmp/tmp.ie8S2ibHZU --binary-query-io 1 -x 11 -n
parallel: Warning: This job was killed because it timed out:
parallel: Warning: 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.9dMvTXK6w6 /home/mcc/BenchKit/bin/tmp/tmp.ie8S2ibHZU --binary-query-io 1 -x 11 -n
parallel: Warning: This job was killed because it timed out:
parallel: Warning: eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n '-ltl tarjan --ltl-heur aut -s DFS -p -q 0 -l 0 -d 119' /home/mcc/BenchKit/bin/tmp/tmp.9dMvTXK6w6 /home/mcc/BenchKit/bin/tmp/tmp.ie8S2ibHZU --binary-query-io 1 -x 11 -n
parallel: Warning: This job was killed because it timed out:
parallel: Warning: 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.9dMvTXK6w6 /home/mcc/BenchKit/bin/tmp/tmp.ie8S2ibHZU --binary-query-io 1 -x 11 -n


Time left: 3284
---------------------------------------------------
Step 2: Sequential processing
---------------------------------------------------
Remaining 1 queries are verified sequentially.
Each query is verified for a dynamic timeout (at least 598 seconds)
Time left: 3284
------------------- QUERY 11 ----------------------
Running query 11 for 3284 seconds. Remaining: 1 queries and 3284 seconds
Solution found by sequential processing (step 2)

Query index 0 was solved
Query is NOT satisfied.
Spent 349.687 on verification
@@@349.71,151460@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n '-ltl tarjan -q 40 -l 5 -d 119 -s BestFS --ltl-por automaton --ltl-heur aut' /home/mcc/BenchKit/bin/tmp/tmp.9dMvTXK6w6 /home/mcc/BenchKit/bin/tmp/tmp.ie8S2ibHZU --binary-query-io 1 -x 11 -n

FORMULA CircadianClock-PT-000010-LTLFireability-14 FALSE TECHNIQUES EXPLICIT TARJAN WEAK_SKIP STUBBORN AUT_STUB HEURISTIC AUTOMATON_HEUR OPTIM-1
Time left: 2934
All queries are solved
Time left: 2934
terminated-with-cleanup

BK_STOP 1779569401849

--------------------
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="CircadianClock-PT-000010"
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 CircadianClock-PT-000010, 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 r052-smll-177946901800180"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CircadianClock-PT-000010.tgz
mv CircadianClock-PT-000010 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 ;