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-177946967700375.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 CO4-PT-12, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r066-tall-177946967700375
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 668K
-rw-r--r-- 1 mcc users 7.6K Mar 6 13:26 CTLCardinality.txt
-rw-r--r-- 1 mcc users 88K Mar 6 13:26 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.5K Mar 6 13:26 CTLFireability.txt
-rw-r--r-- 1 mcc users 62K Mar 6 13:26 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.7K Mar 15 08:31 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Mar 15 08:31 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K Mar 15 08:31 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 08:31 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Mar 6 13:26 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 144K Mar 6 13:26 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.2K Mar 6 13:26 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 71K Mar 6 13:26 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.5K Mar 15 08:31 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.5K Mar 15 08:31 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 177K 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-12-ReachabilityFireability-2024-00
FORMULA_NAME CO4-PT-12-ReachabilityFireability-2024-01
FORMULA_NAME CO4-PT-12-ReachabilityFireability-2024-02
FORMULA_NAME CO4-PT-12-ReachabilityFireability-2024-03
FORMULA_NAME CO4-PT-12-ReachabilityFireability-2024-04
FORMULA_NAME CO4-PT-12-ReachabilityFireability-2024-05
FORMULA_NAME CO4-PT-12-ReachabilityFireability-2024-06
FORMULA_NAME CO4-PT-12-ReachabilityFireability-2024-07
FORMULA_NAME CO4-PT-12-ReachabilityFireability-2024-08
FORMULA_NAME CO4-PT-12-ReachabilityFireability-2024-09
FORMULA_NAME CO4-PT-12-ReachabilityFireability-2024-10
FORMULA_NAME CO4-PT-12-ReachabilityFireability-2024-11
FORMULA_NAME CO4-PT-12-ReachabilityFireability-2024-12
FORMULA_NAME CO4-PT-12-ReachabilityFireability-2024-13
FORMULA_NAME CO4-PT-12-ReachabilityFireability-2024-14
FORMULA_NAME CO4-PT-12-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1779523022016

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-12
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202604301425
[2026-05-23 07:57:03] [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 07:57:03] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 07:57:03] [INFO ] Load time of PNML (sax parser for PT used): 96 ms
[2026-05-23 07:57:03] [INFO ] Transformed 649 places.
[2026-05-23 07:57:03] [INFO ] Transformed 782 transitions.
[2026-05-23 07:57:03] [INFO ] Found NUPN structural information;
[2026-05-23 07:57:03] [INFO ] Parsed PT model containing 649 places and 782 transitions and 1960 arcs in 195 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 12 ms.
Working with output stream class java.io.PrintStream
Deduced a syphon composed of 172 places in 10 ms
Reduce places removed 172 places and 219 transitions.
FORMULA CO4-PT-12-ReachabilityFireability-2024-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2026-05-23 07:57:03] [INFO ] Flatten gal took : 125 ms
RANDOM walk for 40000 steps (658 resets) in 1342 ms. (29 steps per ms) remains 12/15 properties
FORMULA CO4-PT-12-ReachabilityFireability-2024-13 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CO4-PT-12-ReachabilityFireability-2024-10 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CO4-PT-12-ReachabilityFireability-2024-05 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
[2026-05-23 07:57:03] [INFO ] Flatten gal took : 91 ms
BEST_FIRST walk for 40000 steps (249 resets) in 359 ms. (111 steps per ms) remains 11/12 properties
FORMULA CO4-PT-12-ReachabilityFireability-2024-00 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
[2026-05-23 07:57:04] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12228335173287284278.gal : 38 ms
[2026-05-23 07:57:04] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality14447800602225454801.prop : 6 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/ReachabilityCardinality12228335173287284278.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality14447800602225454801.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 ...330
BEST_FIRST walk for 40002 steps (229 resets) in 321 ms. (124 steps per ms) remains 10/11 properties
FORMULA CO4-PT-12-ReachabilityFireability-2024-15 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Loading property file /tmp/ReachabilityCardinality14447800602225454801.prop.
BEST_FIRST walk for 40000 steps (111 resets) in 407 ms. (98 steps per ms) remains 10/10 properties
SDD proceeding with computation,11 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,11 properties remain. new max is 8
SDD size :5 after 7
SDD proceeding with computation,11 properties remain. new max is 16
SDD size :7 after 14
SDD proceeding with computation,11 properties remain. new max is 32
SDD size :14 after 29
SDD proceeding with computation,11 properties remain. new max is 64
SDD size :29 after 199
Reachability property CO4-PT-12-ReachabilityFireability-2024-15 is true.
SDD proceeding with computation,10 properties remain. new max is 64
SDD size :199 after 1843
SDD proceeding with computation,10 properties remain. new max is 128
SDD size :1843 after 1866
BEST_FIRST walk for 40002 steps (230 resets) in 179 ms. (222 steps per ms) remains 10/10 properties
Reachability property CO4-PT-12-ReachabilityFireability-2024-02 is true.
FORMULA CO4-PT-12-ReachabilityFireability-2024-02 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,9 properties remain. new max is 128
SDD size :1866 after 1898
SDD proceeding with computation,9 properties remain. new max is 256
SDD size :1898 after 1931
SDD proceeding with computation,9 properties remain. new max is 512
SDD size :1931 after 1983
SDD proceeding with computation,9 properties remain. new max is 1024
SDD size :1983 after 2292
BEST_FIRST walk for 40001 steps (146 resets) in 350 ms. (113 steps per ms) remains 10/10 properties
SDD proceeding with computation,9 properties remain. new max is 2048
SDD size :2292 after 3056
BEST_FIRST walk for 40000 steps (100 resets) in 321 ms. (124 steps per ms) remains 10/10 properties
Reachability property CO4-PT-12-ReachabilityFireability-2024-07 is true.
FORMULA CO4-PT-12-ReachabilityFireability-2024-07 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
BEST_FIRST walk for 40002 steps (230 resets) in 136 ms. (291 steps per ms) remains 9/10 properties
BEST_FIRST walk for 40000 steps (102 resets) in 121 ms. (327 steps per ms) remains 8/9 properties
FORMULA CO4-PT-12-ReachabilityFireability-2024-09 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40001 steps (166 resets) in 130 ms. (305 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40001 steps (121 resets) in 106 ms. (373 steps per ms) remains 8/8 properties
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6484224443468596483.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9499857899549779063.kers'
[2026-05-23 07:57:04] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6484224443468596483.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9499857899549779063.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 563 rows 477 cols 1370 entries
Finished phase 1 with 458 SingleSign rule and 10 generalized
[2026-05-23 07:57:04] [INFO ] Computed 9 invariants in 2 ms
Computed 9 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-9499857899549779063.kers
Total runtime 4 ms.
Excessive predecessor constraint size, skipping predecessor.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/47 variables, 47/47 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/47 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 7 unsolved
Problem CO4-PT-12-ReachabilityFireability-2024-11 is UNSAT
FORMULA CO4-PT-12-ReachabilityFireability-2024-11 FALSE TECHNIQUES SMT_REFINEMENT
Problem CO4-PT-12-ReachabilityFireability-2024-14 is UNSAT
FORMULA CO4-PT-12-ReachabilityFireability-2024-14 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 2 (OVERLAPS) 360/407 variables, 8/55 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/407 variables, 360/415 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/407 variables, 0/415 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 5 (OVERLAPS) 70/477 variables, 1/416 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/477 variables, 70/486 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/477 variables, 0/486 constraints. Problems are: Problem set: 2 solved, 5 unsolved
SDD proceeding with computation,8 properties remain. new max is 2048
SDD size :3056 after 166351
At refinement iteration 8 (OVERLAPS) 563/1040 variables, 477/963 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1040 variables, 0/963 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 10 (OVERLAPS) 0/1040 variables, 0/963 constraints. Problems are: Problem set: 2 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1040/1040 variables, and 963 constraints, problems are : Problem set: 2 solved, 5 unsolved in 1285 ms.
Refiners :[Domain max(s): 477/477 constraints, Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 477/477 constraints, PredecessorRefiner: 7/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 2 solved, 5 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/41 variables, 41/41 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/41 variables, 0/41 constraints. Problems are: Problem set: 2 solved, 5 unsolved
Problem CO4-PT-12-ReachabilityFireability-2024-01 is UNSAT
FORMULA CO4-PT-12-ReachabilityFireability-2024-01 TRUE TECHNIQUES SMT_REFINEMENT
Problem CO4-PT-12-ReachabilityFireability-2024-03 is UNSAT
FORMULA CO4-PT-12-ReachabilityFireability-2024-03 TRUE TECHNIQUES SMT_REFINEMENT
Problem CO4-PT-12-ReachabilityFireability-2024-06 is UNSAT
FORMULA CO4-PT-12-ReachabilityFireability-2024-06 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 2 (OVERLAPS) 360/401 variables, 6/47 constraints. Problems are: Problem set: 5 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/401 variables, 360/407 constraints. Problems are: Problem set: 5 solved, 2 unsolved
SDD proceeding with computation,8 properties remain. new max is 4096
SDD size :166351 after 211579
At refinement iteration 4 (INCLUDED_ONLY) 0/401 variables, 6/413 constraints. Problems are: Problem set: 5 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/401 variables, 0/413 constraints. Problems are: Problem set: 5 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 6/407 variables, 2/415 constraints. Problems are: Problem set: 5 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/407 variables, 6/421 constraints. Problems are: Problem set: 5 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/407 variables, 0/421 constraints. Problems are: Problem set: 5 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 70/477 variables, 1/422 constraints. Problems are: Problem set: 5 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/477 variables, 70/492 constraints. Problems are: Problem set: 5 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/477 variables, 2/494 constraints. Problems are: Problem set: 5 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/477 variables, 0/494 constraints. Problems are: Problem set: 5 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 563/1040 variables, 477/971 constraints. Problems are: Problem set: 5 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1040 variables, 2/973 constraints. Problems are: Problem set: 5 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1040 variables, 0/973 constraints. Problems are: Problem set: 5 solved, 2 unsolved
At refinement iteration 16 (OVERLAPS) 0/1040 variables, 0/973 constraints. Problems are: Problem set: 5 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1040/1040 variables, and 973 constraints, problems are : Problem set: 5 solved, 2 unsolved in 2680 ms.
Refiners :[Domain max(s): 477/477 constraints, Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 477/477 constraints, PredecessorRefiner: 3/6 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4059ms problems are : Problem set: 5 solved, 2 unsolved
FORMULA CO4-PT-12-ReachabilityFireability-2024-04 TRUE TECHNIQUES PARIKH_WALK
Finished Parikh walk after 3575 steps, including 87 resets, run visited all 1 properties in 9 ms. (steps per millisecond=397 )
FORMULA CO4-PT-12-ReachabilityFireability-2024-08 TRUE TECHNIQUES PARIKH_WALK
Parikh walk visited 2 properties in 67 ms.
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 5750 ms.

BK_STOP 1779523028931

--------------------
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-12"
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-12, 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-177946967700375"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CO4-PT-12.tgz
mv CO4-PT-12 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 ;