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.r066-tall-177946967700431.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 itstools
Input is CO4-PT-19, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r066-tall-177946967700431
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 728K
-rw-r--r-- 1 mcc users 6.2K Mar 6 13:27 CTLCardinality.txt
-rw-r--r-- 1 mcc users 66K Mar 6 13:27 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.7K Mar 6 13:27 CTLFireability.txt
-rw-r--r-- 1 mcc users 53K Mar 6 13:27 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.5K Mar 15 08:33 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Mar 15 08:33 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K Mar 15 08:33 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Mar 15 08:33 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.5K Mar 6 13:27 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 99K Mar 6 13:27 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.9K Mar 6 13:27 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 57K Mar 6 13:27 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.5K Mar 15 08:33 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.5K Mar 15 08:33 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 332K 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 CO4-PT-19-ReachabilityFireability-2024-00
FORMULA_NAME CO4-PT-19-ReachabilityFireability-2024-01
FORMULA_NAME CO4-PT-19-ReachabilityFireability-2024-02
FORMULA_NAME CO4-PT-19-ReachabilityFireability-2024-03
FORMULA_NAME CO4-PT-19-ReachabilityFireability-2024-04
FORMULA_NAME CO4-PT-19-ReachabilityFireability-2024-05
FORMULA_NAME CO4-PT-19-ReachabilityFireability-2024-06
FORMULA_NAME CO4-PT-19-ReachabilityFireability-2024-07
FORMULA_NAME CO4-PT-19-ReachabilityFireability-2024-08
FORMULA_NAME CO4-PT-19-ReachabilityFireability-2024-09
FORMULA_NAME CO4-PT-19-ReachabilityFireability-2024-10
FORMULA_NAME CO4-PT-19-ReachabilityFireability-2024-11
FORMULA_NAME CO4-PT-19-ReachabilityFireability-2024-12
FORMULA_NAME CO4-PT-19-ReachabilityFireability-2024-13
FORMULA_NAME CO4-PT-19-ReachabilityFireability-2024-14
FORMULA_NAME CO4-PT-19-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1779526816291

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=CO4-PT-19
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202604301425
[2026-05-23 09:00:17] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-23 09:00:17] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 09:00:17] [INFO ] Load time of PNML (sax parser for PT used): 112 ms
[2026-05-23 09:00:17] [INFO ] Transformed 1174 places.
[2026-05-23 09:00:17] [INFO ] Transformed 1447 transitions.
[2026-05-23 09:00:17] [INFO ] Found NUPN structural information;
[2026-05-23 09:00:17] [INFO ] Parsed PT model containing 1174 places and 1447 transitions and 3662 arcs in 208 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 11 ms.
Working with output stream class java.io.PrintStream
Deduced a syphon composed of 201 places in 17 ms
Reduce places removed 201 places and 274 transitions.
FORMULA CO4-PT-19-ReachabilityFireability-2024-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CO4-PT-19-ReachabilityFireability-2024-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CO4-PT-19-ReachabilityFireability-2024-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CO4-PT-19-ReachabilityFireability-2024-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2026-05-23 09:00:18] [INFO ] Flatten gal took : 170 ms
RANDOM walk for 40000 steps (793 resets) in 1611 ms. (24 steps per ms) remains 8/12 properties
FORMULA CO4-PT-19-ReachabilityFireability-2024-11 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CO4-PT-19-ReachabilityFireability-2024-10 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CO4-PT-19-ReachabilityFireability-2024-06 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CO4-PT-19-ReachabilityFireability-2024-00 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40003 steps (126 resets) in 309 ms. (129 steps per ms) remains 7/8 properties
FORMULA CO4-PT-19-ReachabilityFireability-2024-02 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40004 steps (140 resets) in 122 ms. (325 steps per ms) remains 7/7 properties
[2026-05-23 09:00:18] [INFO ] Flatten gal took : 176 ms
BEST_FIRST walk for 40003 steps (146 resets) in 248 ms. (160 steps per ms) remains 7/7 properties
[2026-05-23 09:00:18] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7269220917331201787.gal : 72 ms
BEST_FIRST walk for 40002 steps (138 resets) in 168 ms. (236 steps per ms) remains 7/7 properties
[2026-05-23 09:00:18] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3849753495269308920.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality7269220917331201787.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3849753495269308920.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 40004 steps (144 resets) in 113 ms. (350 steps per ms) remains 7/7 properties

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
BEST_FIRST walk for 40003 steps (141 resets) in 127 ms. (312 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (140 resets) in 107 ms. (370 steps per ms) remains 7/7 properties
Loading property file /tmp/ReachabilityCardinality3849753495269308920.prop.
BEST_FIRST walk for 40003 steps (136 resets) in 102 ms. (388 steps per ms) remains 7/7 properties
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-10136582645273413129.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15744907634832690420.kers'
[2026-05-23 09:00:18] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10136582645273413129.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15744907634832690420.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 1173 rows 973 cols 2850 entries
Finished phase 1 with 953 SingleSign rule and 8 generalized
[2026-05-23 09:00:18] [INFO ] Computed 12 invariants in 9 ms
Computed 12 P flows in 9 ms.
Exported basis to /tmp/petrispot-output-15744907634832690420.kers
Total runtime 11 ms.
Excessive predecessor constraint size, skipping predecessor.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/42 variables, 42/42 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/42 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 7 unsolved
SDD proceeding with computation,7 properties remain. new max is 4
SDD size :1 after 5
Problem CO4-PT-19-ReachabilityFireability-2024-08 is UNSAT
FORMULA CO4-PT-19-ReachabilityFireability-2024-08 FALSE TECHNIQUES SMT_REFINEMENT
SDD proceeding with computation,7 properties remain. new max is 8
SDD size :5 after 8
SDD proceeding with computation,7 properties remain. new max is 16
SDD size :8 after 12
At refinement iteration 2 (OVERLAPS) 848/890 variables, 8/50 constraints. Problems are: Problem set: 1 solved, 6 unsolved
SDD proceeding with computation,7 properties remain. new max is 32
SDD size :12 after 14
SDD proceeding with computation,7 properties remain. new max is 64
SDD size :14 after 43
SDD proceeding with computation,7 properties remain. new max is 128
SDD size :43 after 52
SDD proceeding with computation,7 properties remain. new max is 256
SDD size :52 after 72
Reachability property CO4-PT-19-ReachabilityFireability-2024-03 is true.
FORMULA CO4-PT-19-ReachabilityFireability-2024-03 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,6 properties remain. new max is 256
SDD size :72 after 104
SDD proceeding with computation,6 properties remain. new max is 512
SDD size :104 after 137
Reachability property CO4-PT-19-ReachabilityFireability-2024-13 is true.
FORMULA CO4-PT-19-ReachabilityFireability-2024-13 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,5 properties remain. new max is 512
SDD size :137 after 366
SDD proceeding with computation,5 properties remain. new max is 1024
SDD size :366 after 3141
At refinement iteration 3 (INCLUDED_ONLY) 0/890 variables, 848/898 constraints. Problems are: Problem set: 3 solved, 4 unsolved
SDD proceeding with computation,5 properties remain. new max is 2048
SDD size :3141 after 5420
Reachability property CO4-PT-19-ReachabilityFireability-2024-12 is true.
FORMULA CO4-PT-19-ReachabilityFireability-2024-12 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
At refinement iteration 4 (INCLUDED_ONLY) 0/890 variables, 0/898 constraints. Problems are: Problem set: 4 solved, 3 unsolved
SDD proceeding with computation,4 properties remain. new max is 2048
SDD size :5420 after 5551
At refinement iteration 5 (OVERLAPS) 16/906 variables, 3/901 constraints. Problems are: Problem set: 4 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/906 variables, 16/917 constraints. Problems are: Problem set: 4 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/906 variables, 0/917 constraints. Problems are: Problem set: 4 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 67/973 variables, 1/918 constraints. Problems are: Problem set: 4 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/973 variables, 67/985 constraints. Problems are: Problem set: 4 solved, 3 unsolved
SDD proceeding with computation,4 properties remain. new max is 4096
SDD size :5551 after 17097
At refinement iteration 10 (INCLUDED_ONLY) 0/973 variables, 0/985 constraints. Problems are: Problem set: 4 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 1173/2146 variables, 973/1958 constraints. Problems are: Problem set: 4 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/2146 variables, 0/1958 constraints. Problems are: Problem set: 4 solved, 3 unsolved
At refinement iteration 13 (OVERLAPS) 0/2146 variables, 0/1958 constraints. Problems are: Problem set: 4 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2146/2146 variables, and 1958 constraints, problems are : Problem set: 4 solved, 3 unsolved in 1328 ms.
Refiners :[Domain max(s): 973/973 constraints, Positive P Invariants (semi-flows): 11/11 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 973/973 constraints, PredecessorRefiner: 7/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 4 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/37 variables, 37/37 constraints. Problems are: Problem set: 4 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/37 variables, 0/37 constraints. Problems are: Problem set: 4 solved, 3 unsolved
Problem CO4-PT-19-ReachabilityFireability-2024-07 is UNSAT
FORMULA CO4-PT-19-ReachabilityFireability-2024-07 TRUE TECHNIQUES SMT_REFINEMENT
Problem CO4-PT-19-ReachabilityFireability-2024-09 is UNSAT
FORMULA CO4-PT-19-ReachabilityFireability-2024-09 TRUE TECHNIQUES SMT_REFINEMENT
Problem CO4-PT-19-ReachabilityFireability-2024-14 is UNSAT
FORMULA CO4-PT-19-ReachabilityFireability-2024-14 TRUE TECHNIQUES SMT_REFINEMENT
After SMT solving in domain Int declared 890/2146 variables, and 45 constraints, problems are : Problem set: 7 solved, 0 unsolved in 180 ms.
Refiners :[Domain max(s): 37/973 constraints, Positive P Invariants (semi-flows): 8/11 constraints, Generalized P Invariants (flows): 0/1 constraints, State Equation: 0/973 constraints, PredecessorRefiner: 1/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1656ms problems are : Problem set: 7 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
All properties solved without resorting to model-checking.
Total runtime 3008 ms.

BK_STOP 1779526820577

--------------------
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
+ [[ ReachabilityFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ 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 ReachabilityFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600

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="CO4-PT-19"
export BK_EXAMINATION="ReachabilityFireability"
export BK_TOOL="itstools"
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 itstools"
echo " Input is CO4-PT-19, examination is ReachabilityFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r066-tall-177946967700431"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CO4-PT-19.tgz
mv CO4-PT-19 execution
cd execution
if [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "UpperBounds" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] || [ "ReachabilityFireability" = "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 [ "ReachabilityFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityFireability" != "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 "ReachabilityFireability.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 '' ReachabilityFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityFireability"
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 ;