Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/data/sdalzilio/mcc2026-input.r002-oct2-177944366100231.qcow2', fmt=qcow2 cluster_size=65536 extended_l2=off compression_type=zlib size=4294967296 backing_file=/data/sdalzilio/mcc2026-input.qcow2 backing_fmt=qcow2 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 Angiogenesis-PT-05, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r002-oct2-177944366100231
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 504K
-rw-r--r-- 1 mcc users 7.5K Mar 4 18:31 CTLCardinality.txt
-rw-r--r-- 1 mcc users 69K Mar 4 18:31 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.1K Mar 4 18:31 CTLFireability.txt
-rw-r--r-- 1 mcc users 59K Mar 4 18:31 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.5K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.5K Mar 15 07:04 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Mar 15 07:04 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 15 07:04 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 07:04 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K Mar 4 18:31 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 127K Mar 4 18:31 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.7K Mar 4 18:31 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 68K Mar 4 18:31 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 07:04 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 07:04 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 33K 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 Angiogenesis-PT-05-ReachabilityFireability-2024-00
FORMULA_NAME Angiogenesis-PT-05-ReachabilityFireability-2024-01
FORMULA_NAME Angiogenesis-PT-05-ReachabilityFireability-2024-02
FORMULA_NAME Angiogenesis-PT-05-ReachabilityFireability-2024-03
FORMULA_NAME Angiogenesis-PT-05-ReachabilityFireability-2024-04
FORMULA_NAME Angiogenesis-PT-05-ReachabilityFireability-2024-05
FORMULA_NAME Angiogenesis-PT-05-ReachabilityFireability-2024-06
FORMULA_NAME Angiogenesis-PT-05-ReachabilityFireability-2024-07
FORMULA_NAME Angiogenesis-PT-05-ReachabilityFireability-2024-08
FORMULA_NAME Angiogenesis-PT-05-ReachabilityFireability-2024-09
FORMULA_NAME Angiogenesis-PT-05-ReachabilityFireability-2024-10
FORMULA_NAME Angiogenesis-PT-05-ReachabilityFireability-2024-11
FORMULA_NAME Angiogenesis-PT-05-ReachabilityFireability-2024-12
FORMULA_NAME Angiogenesis-PT-05-ReachabilityFireability-2024-13
FORMULA_NAME Angiogenesis-PT-05-ReachabilityFireability-2024-14
FORMULA_NAME Angiogenesis-PT-05-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1779466367040

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Angiogenesis-PT-05
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202604301425
[2026-05-22 16:12:48] [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]
[2026-05-22 16:12:48] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 16:12:48] [INFO ] Load time of PNML (sax parser for PT used): 52 ms
[2026-05-22 16:12:48] [INFO ] Transformed 39 places.
[2026-05-22 16:12:48] [INFO ] Transformed 64 transitions.
[2026-05-22 16:12:48] [INFO ] Parsed PT model containing 39 places and 64 transitions and 185 arcs in 150 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 11 ms.
Working with output stream class java.io.PrintStream
Reduction of identical properties reduced properties to check from 16 to 15
RANDOM walk for 40005 steps (9 resets) in 827 ms. (48 steps per ms) remains 4/15 properties
FORMULA Angiogenesis-PT-05-ReachabilityFireability-2024-14 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Angiogenesis-PT-05-ReachabilityFireability-2024-13 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Angiogenesis-PT-05-ReachabilityFireability-2024-12 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Angiogenesis-PT-05-ReachabilityFireability-2024-11 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Angiogenesis-PT-05-ReachabilityFireability-2024-10 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Angiogenesis-PT-05-ReachabilityFireability-2024-06 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Angiogenesis-PT-05-ReachabilityFireability-2024-05 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Angiogenesis-PT-05-ReachabilityFireability-2024-04 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Angiogenesis-PT-05-ReachabilityFireability-2024-03 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Angiogenesis-PT-05-ReachabilityFireability-2024-02 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Angiogenesis-PT-05-ReachabilityFireability-2024-09 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Angiogenesis-PT-05-ReachabilityFireability-2024-00 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
[2026-05-22 16:12:49] [INFO ] Flatten gal took : 85 ms
[2026-05-22 16:12:49] [INFO ] Flatten gal took : 17 ms
BEST_FIRST walk for 40004 steps (8 resets) in 500 ms. (79 steps per ms) remains 4/4 properties
[2026-05-22 16:12:49] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6084612463700093734.gal : 18 ms
[2026-05-22 16:12:49] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8712969082696848339.prop : 3 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/ReachabilityCardinality6084612463700093734.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8712969082696848339.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 40004 steps (8 resets) in 509 ms. (78 steps per ms) remains 4/4 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
Loading property file /tmp/ReachabilityCardinality8712969082696848339.prop.
SDD proceeding with computation,4 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,4 properties remain. new max is 8
SDD size :5 after 6
SDD proceeding with computation,4 properties remain. new max is 16
SDD size :6 after 59
SDD proceeding with computation,4 properties remain. new max is 32
SDD size :59 after 168
BEST_FIRST walk for 40003 steps (8 resets) in 249 ms. (160 steps per ms) remains 4/4 properties
SDD proceeding with computation,4 properties remain. new max is 64
SDD size :168 after 2077
SDD proceeding with computation,4 properties remain. new max is 128
SDD size :2077 after 28474
BEST_FIRST walk for 40004 steps (8 resets) in 332 ms. (120 steps per ms) remains 4/4 properties
SDD proceeding with computation,4 properties remain. new max is 256
SDD size :28474 after 147452
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-5819698363796160426.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6046313971954115375.kers'
[2026-05-22 16:12:49] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5819698363796160426.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6046313971954115375.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 64 rows 38 cols 182 entries
Finished phase 1 with 31 SingleSign rule and 0 generalized
[2026-05-22 16:12:49] [INFO ] Computed 8 invariants in 0 ms
Computed 8 P flows in 5 ms.
Exported basis to /tmp/petrispot-output-6046313971954115375.kers
Total runtime 5 ms.
Excessive predecessor constraint size, skipping predecessor.
Problem Angiogenesis-PT-05-ReachabilityFireability-2024-08 is UNSAT
FORMULA Angiogenesis-PT-05-ReachabilityFireability-2024-08 TRUE TECHNIQUES SMT_REFINEMENT
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/37 variables, 6/6 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/37 variables, 0/6 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 2 (OVERLAPS) 2/39 variables, 2/8 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/39 variables, 0/8 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 64/103 variables, 39/47 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/103 variables, 0/47 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 0/103 variables, 0/47 constraints. Problems are: Problem set: 1 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 103/103 variables, and 47 constraints, problems are : Problem set: 1 solved, 3 unsolved in 248 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 39/39 constraints, PredecessorRefiner: 3/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/37 variables, 6/6 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/37 variables, 0/6 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 2 (OVERLAPS) 2/39 variables, 2/8 constraints. Problems are: Problem set: 1 solved, 3 unsolved
Invariant property Angiogenesis-PT-05-ReachabilityFireability-2024-15 does not hold.
FORMULA Angiogenesis-PT-05-ReachabilityFireability-2024-15 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
At refinement iteration 3 (INCLUDED_ONLY) 0/39 variables, 0/8 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 64/103 variables, 39/47 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/103 variables, 1/48 constraints. Problems are: Problem set: 2 solved, 2 unsolved
Reachability property Angiogenesis-PT-05-ReachabilityFireability-2024-07 is true.
FORMULA Angiogenesis-PT-05-ReachabilityFireability-2024-07 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
At refinement iteration 6 (INCLUDED_ONLY) 0/103 variables, 0/48 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/103 variables, 0/48 constraints. Problems are: Problem set: 3 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 103/103 variables, and 48 constraints, problems are : Problem set: 3 solved, 1 unsolved in 163 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 39/39 constraints, PredecessorRefiner: 3/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 509ms problems are : Problem set: 3 solved, 1 unsolved
Parikh walk visited 0 properties in 8 ms.
Support contains 18 out of 39 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 39/39 places, 64/64 transitions.
Graph (complete) has 117 edges and 39 vertex of which 38 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 0 output transitions
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 1 place count 38 transition count 63
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 3 rules applied. Total rules applied 4 place count 36 transition count 63
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 5 place count 36 transition count 62
Partial Free-agglomeration rule applied 3 times.
Drop transitions (Partial Free agglomeration) removed 3 transitions
Iterating global reduction 1 with 3 rules applied. Total rules applied 8 place count 36 transition count 62
Applied a total of 8 rules in 35 ms. Remains 36 /39 variables (removed 3) and now considering 62/64 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 40 ms. Remains : 36/39 places, 62/64 transitions.
RANDOM walk for 40003 steps (8 resets) in 195 ms. (204 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 219 ms. (181 steps per ms) remains 1/1 properties
Invariant property Angiogenesis-PT-05-ReachabilityFireability-2024-01 does not hold.
FORMULA Angiogenesis-PT-05-ReachabilityFireability-2024-01 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :2.27266e+06 after 2.46987e+06
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :2.46987e+06 after 3.41818e+06
Finished probabilistic random walk after 209635 steps, run visited all 1 properties in 294 ms. (steps per millisecond=713 )
Probabilistic random walk after 209635 steps, saw 110329 distinct states, run finished after 297 ms. (steps per millisecond=705 ) properties seen :1
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 2028 ms.

BK_STOP 1779466370649

--------------------
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="Angiogenesis-PT-05"
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 Angiogenesis-PT-05, 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 r002-oct2-177944366100231"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Angiogenesis-PT-05.tgz
mv Angiogenesis-PT-05 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 ;