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.r040-tall-177946844700452.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 itstools
Input is CANInsertWithFailure-PT-030, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r040-tall-177946844700452
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 6.2M
-rw-r--r-- 1 mcc users 11K Mar 6 10:41 CTLCardinality.txt
-rw-r--r-- 1 mcc users 93K Mar 6 10:41 CTLCardinality.xml
-rw-r--r-- 1 mcc users 8.3K Mar 6 10:39 CTLFireability.txt
-rw-r--r-- 1 mcc users 62K Mar 6 10:39 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.7K Mar 15 07:54 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 07:54 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.1K Mar 15 07:54 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 07:54 LTLFireability.xml
-rw-r--r-- 1 mcc users 28K Mar 6 10:41 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 241K Mar 6 10:41 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K Mar 6 10:41 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 78K Mar 6 10:41 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.0K Mar 15 07:54 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K Mar 15 07:54 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 5.6M 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

FORMULA_NAME QuasiLiveness

=== Now, execution of the tool begins

BK_START 1779482116327

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=CANInsertWithFailure-PT-030
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202604301425
[2026-05-22 20:35:17] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2026-05-22 20:35:17] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 20:35:17] [INFO ] Load time of PNML (sax parser for PT used): 251 ms
[2026-05-22 20:35:17] [INFO ] Transformed 2164 places.
[2026-05-22 20:35:17] [INFO ] Transformed 5580 transitions.
[2026-05-22 20:35:17] [INFO ] Parsed PT model containing 2164 places and 5580 transitions and 15000 arcs in 382 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 2164/2164 places, 5580/5580 transitions.
Reduce places removed 1 places and 0 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 210 transitions
Trivial Post-agglo rules discarded 210 transitions
Performed 210 trivial Post agglomeration. Transition count delta: 210
Iterating post reduction 0 with 211 rules applied. Total rules applied 211 place count 2163 transition count 5370
Reduce places removed 210 places and 0 transitions.
Iterating post reduction 1 with 210 rules applied. Total rules applied 421 place count 1953 transition count 5370
Performed 870 Post agglomeration using F-continuation condition.Transition count delta: 870
Deduced a syphon composed of 870 places in 9 ms
Reduce places removed 870 places and 0 transitions.
Iterating global reduction 2 with 1740 rules applied. Total rules applied 2161 place count 1083 transition count 4500
Applied a total of 2161 rules in 348 ms. Remains 1083 /2164 variables (removed 1081) and now considering 4500/5580 (removed 1080) transitions.
[2026-05-22 20:35:18] [INFO ] Flow matrix only has 3688 transitions (discarded 812 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13730234340307819509.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1029696832504199401.kers'
[2026-05-22 20:35:18] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13730234340307819509.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1029696832504199401.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 3688 rows 1083 cols 7586 entries
Finished phase 1 with 1021 SingleSign rule and 30 generalized
[2026-05-22 20:35:18] [INFO ] Computed 32 invariants in 25 ms
Computed 32 P flows in 26 ms.
Exported basis to /tmp/petrispot-output-1029696832504199401.kers
Total runtime 32 ms.
[2026-05-22 20:35:19] [INFO ] Implicit Places using invariants in 877 ms returned []
[2026-05-22 20:35:19] [INFO ] Flow matrix only has 3688 transitions (discarded 812 similar events)
[2026-05-22 20:35:19] [INFO ] Invariant cache hit.
[2026-05-22 20:35:20] [INFO ] State equation strengthened by 2668 read => feed constraints.
[2026-05-22 20:35:31] [INFO ] Implicit Places using invariants and state equation in 11910 ms returned []
Implicit Place search using SMT with State Equation took 12822 ms to find 0 implicit places.
Running 4470 sub problems to find dead transitions.
[2026-05-22 20:35:31] [INFO ] Flow matrix only has 3688 transitions (discarded 812 similar events)
[2026-05-22 20:35:31] [INFO ] Invariant cache hit.
[2026-05-22 20:35:31] [INFO ] State equation strengthened by 2668 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1082 variables, 30/30 constraints. Problems are: Problem set: 0 solved, 4470 unsolved
SMT process timed out in 32185ms, After SMT, problems are : Problem set: 0 solved, 4470 unsolved
Search for dead transitions found 0 dead transitions in 32237ms
Starting structural reductions in LIVENESS mode, iteration 1 : 1083/2164 places, 4500/5580 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 45474 ms. Remains : 1083/2164 places, 4500/5580 transitions.
Discarding 2580 transitions out of 4500. Remains 1920
Initial state reduction rules removed 30 formulas.
[2026-05-22 20:36:04] [INFO ] Flatten gal took : 653 ms
[2026-05-22 20:36:04] [INFO ] Flatten gal took : 329 ms
[2026-05-22 20:36:05] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6672966080867461166.gal : 105 ms
[2026-05-22 20:36:05] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7034814148929937859.prop : 16 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality6672966080867461166.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7034814148929937859.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
RANDOM walk for 40000 steps (259 resets) in 6384 ms. (6 steps per ms) remains 1/1890 properties
BEST_FIRST walk for 40004 steps (8 resets) in 145 ms. (274 steps per ms) remains 1/1 properties
[2026-05-22 20:36:05] [INFO ] Flow matrix only has 3688 transitions (discarded 812 similar events)
[2026-05-22 20:36:05] [INFO ] Invariant cache hit.
[2026-05-22 20:36:05] [INFO ] State equation strengthened by 2668 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 1020/1022 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Loading property file /tmp/ReachabilityCardinality7034814148929937859.prop.
At refinement iteration 2 (INCLUDED_ONLY) 0/1022 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1022 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 58/1080 variables, 29/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1080 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 2/1082 variables, 2/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1082 variables, 1/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1082 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 3688/4770 variables, 1082/1117 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/4770 variables, 2668/3785 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/4770 variables, 0/3785 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (OVERLAPS) 1/4771 variables, 1/3786 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/4771 variables, 0/3786 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/4771 variables, 0/3786 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 4771/4771 variables, and 3786 constraints, problems are : Problem set: 0 solved, 1 unsolved in 2494 ms.
Refiners :[Positive P Invariants (semi-flows): 30/30 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 1083/1083 constraints, ReadFeed: 2668/2668 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 1020/1022 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1022 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1022 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 58/1080 variables, 29/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1080 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 2/1082 variables, 2/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1082 variables, 1/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Reachability property qltransition_3447 is true.
Reachability property qltransition_1978 is true.
Reachability property qltransition_1976 is true.
Reachability property qltransition_1974 is true.
Reachability property qltransition_1972 is true.
Reachability property qltransition_1970 is true.
Reachability property qltransition_1968 is true.
Reachability property qltransition_1966 is true.
Reachability property qltransition_1964 is true.
Reachability property qltransition_1962 is true.
Reachability property qltransition_1960 is true.
Reachability property qltransition_1958 is true.
Reachability property qltransition_1956 is true.
Reachability property qltransition_1954 is true.
Reachability property qltransition_1952 is true.
Reachability property qltransition_1950 is true.
Reachability property qltransition_1948 is true.
Reachability property qltransition_1947 is true.
Reachability property qltransition_1946 is true.
Reachability property qltransition_1944 is true.
Reachability property qltransition_1942 is true.
Reachability property qltransition_1940 is true.
Reachability property qltransition_1938 is true.
Reachability property qltransition_1936 is true.
Reachability property qltransition_1934 is true.
Reachability property qltransition_1932 is true.
Reachability property qltransition_1930 is true.
Reachability property qltransition_1928 is true.
Reachability property qltransition_1926 is true.
Reachability property qltransition_1924 is true.
Reachability property qltransition_1922 is true.
Reachability property qltransition_1920 is true.
Reachability property qltransition_898 is true.
Reachability property qltransition_836 is true.
Reachability property qltransition_774 is true.
Reachability property qltransition_712 is true.
SMT process timed out in 7699ms, After SMT, problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 2 out of 1083 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1083/1083 places, 4500/4500 transitions.
Reachability property qltransition_650 is true.
Reachability property qltransition_588 is true.
Drop transitions (Redundant composition of simpler transitions.) removed 812 transitions
Redundant transition composition rules discarded 812 transitions
Iterating global reduction 0 with 812 rules applied. Total rules applied 812 place count 1083 transition count 3688
Reachability property qltransition_526 is true.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 813 place count 1083 transition count 3687
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 814 place count 1082 transition count 3687
Reachability property qltransition_464 is true.
Partial Free-agglomeration rule applied 871 times.
Drop transitions (Partial Free agglomeration) removed 871 transitions
Iterating global reduction 1 with 871 rules applied. Total rules applied 1685 place count 1082 transition count 3687
Reachability property qltransition_402 is true.
Applied a total of 1685 rules in 589 ms. Remains 1082 /1083 variables (removed 1) and now considering 3687/4500 (removed 813) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 590 ms. Remains : 1082/1083 places, 3687/4500 transitions.
Reachability property qltransition_340 is true.
RANDOM walk for 26054 steps (188 resets) in 449 ms. (57 steps per ms) remains 0/1 properties
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query QuasiLiveness after proving 1920 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 56372 ms.

BK_STOP 1779482173906

--------------------
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
+ [[ QuasiLiveness = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution QuasiLiveness -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_1.0.0.202604301425.jar
+ VERSION=202604301425
+ echo 'Running Version 202604301425'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination QuasiLiveness -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="CANInsertWithFailure-PT-030"
export BK_EXAMINATION="QuasiLiveness"
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 2-5973"
echo " Executing tool itstools"
echo " Input is CANInsertWithFailure-PT-030, examination is QuasiLiveness"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r040-tall-177946844700452"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CANInsertWithFailure-PT-030.tgz
mv CANInsertWithFailure-PT-030 execution
cd execution
if [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "UpperBounds" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] || [ "QuasiLiveness" = "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 [ "QuasiLiveness" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "QuasiLiveness" != "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 "QuasiLiveness.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 '' QuasiLiveness.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] ; then
echo "FORMULA_NAME QuasiLiveness"
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 ;