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.r146-tall-177961074200471.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 GPUForwardProgress-PT-24b, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r146-tall-177961074200471
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 524K
-rw-r--r-- 1 mcc users 6.8K Mar 7 11:29 CTLCardinality.txt
-rw-r--r-- 1 mcc users 75K Mar 7 11:29 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.7K Mar 7 11:29 CTLFireability.txt
-rw-r--r-- 1 mcc users 51K Mar 7 11:29 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.7K Mar 15 10:37 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Mar 15 10:37 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Mar 15 10:38 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 10:38 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Mar 7 11:29 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 104K Mar 7 11:29 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.9K Mar 7 11:29 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 54K Mar 7 11:29 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 10:38 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 10:38 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 122K 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 GPUForwardProgress-PT-24b-ReachabilityFireability-2024-00
FORMULA_NAME GPUForwardProgress-PT-24b-ReachabilityFireability-2024-01
FORMULA_NAME GPUForwardProgress-PT-24b-ReachabilityFireability-2024-02
FORMULA_NAME GPUForwardProgress-PT-24b-ReachabilityFireability-2024-03
FORMULA_NAME GPUForwardProgress-PT-24b-ReachabilityFireability-2024-04
FORMULA_NAME GPUForwardProgress-PT-24b-ReachabilityFireability-2024-05
FORMULA_NAME GPUForwardProgress-PT-24b-ReachabilityFireability-2024-06
FORMULA_NAME GPUForwardProgress-PT-24b-ReachabilityFireability-2024-07
FORMULA_NAME GPUForwardProgress-PT-24b-ReachabilityFireability-2024-08
FORMULA_NAME GPUForwardProgress-PT-24b-ReachabilityFireability-2024-09
FORMULA_NAME GPUForwardProgress-PT-24b-ReachabilityFireability-2024-10
FORMULA_NAME GPUForwardProgress-PT-24b-ReachabilityFireability-2024-11
FORMULA_NAME GPUForwardProgress-PT-24b-ReachabilityFireability-2024-12
FORMULA_NAME GPUForwardProgress-PT-24b-ReachabilityFireability-2024-13
FORMULA_NAME GPUForwardProgress-PT-24b-ReachabilityFireability-2024-14
FORMULA_NAME GPUForwardProgress-PT-24b-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1779729179898

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=GPUForwardProgress-PT-24b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202604301425
[2026-05-25 17:13:01] [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]
[2026-05-25 17:13:01] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 17:13:01] [INFO ] Load time of PNML (sax parser for PT used): 87 ms
[2026-05-25 17:13:01] [INFO ] Transformed 492 places.
[2026-05-25 17:13:01] [INFO ] Transformed 517 transitions.
[2026-05-25 17:13:01] [INFO ] Found NUPN structural information;
[2026-05-25 17:13:01] [INFO ] Parsed PT model containing 492 places and 517 transitions and 1277 arcs in 182 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 12 ms.
Working with output stream class java.io.PrintStream
[2026-05-25 17:13:01] [INFO ] Flatten gal took : 105 ms
[2026-05-25 17:13:01] [INFO ] Flatten gal took : 45 ms
RANDOM walk for 40000 steps (193 resets) in 1439 ms. (27 steps per ms) remains 8/16 properties
FORMULA GPUForwardProgress-PT-24b-ReachabilityFireability-2024-15 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA GPUForwardProgress-PT-24b-ReachabilityFireability-2024-13 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA GPUForwardProgress-PT-24b-ReachabilityFireability-2024-08 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA GPUForwardProgress-PT-24b-ReachabilityFireability-2024-06 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA GPUForwardProgress-PT-24b-ReachabilityFireability-2024-04 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA GPUForwardProgress-PT-24b-ReachabilityFireability-2024-03 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA GPUForwardProgress-PT-24b-ReachabilityFireability-2024-02 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA GPUForwardProgress-PT-24b-ReachabilityFireability-2024-01 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
[2026-05-25 17:13:01] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality10582954943138493039.gal : 41 ms
[2026-05-25 17:13:01] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3856805497264778978.prop : 2 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/ReachabilityCardinality10582954943138493039.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3856805497264778978.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 ...329
BEST_FIRST walk for 40004 steps (16 resets) in 567 ms. (70 steps per ms) remains 8/8 properties
Loading property file /tmp/ReachabilityCardinality3856805497264778978.prop.
BEST_FIRST walk for 40003 steps (17 resets) in 427 ms. (93 steps per ms) remains 8/8 properties
SDD proceeding with computation,8 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,8 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,8 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,8 properties remain. new max is 32
SDD size :19 after 33
SDD proceeding with computation,8 properties remain. new max is 64
SDD size :33 after 544
SDD proceeding with computation,8 properties remain. new max is 128
SDD size :544 after 266845
BEST_FIRST walk for 40004 steps (18 resets) in 589 ms. (67 steps per ms) remains 7/8 properties
FORMULA GPUForwardProgress-PT-24b-ReachabilityFireability-2024-07 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40003 steps (18 resets) in 143 ms. (277 steps per ms) remains 6/7 properties
FORMULA GPUForwardProgress-PT-24b-ReachabilityFireability-2024-10 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40004 steps (20 resets) in 148 ms. (268 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (22 resets) in 91 ms. (434 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (23 resets) in 148 ms. (268 steps per ms) remains 6/6 properties
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11711039393966425369.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7955033599369304241.kers'
[2026-05-25 17:13:02] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11711039393966425369.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7955033599369304241.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 517 rows 491 cols 1275 entries
Finished phase 1 with 465 SingleSign rule and 1 generalized
[2026-05-25 17:13:02] [INFO ] Computed 26 invariants in 2 ms
Computed 26 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-7955033599369304241.kers
Total runtime 4 ms.
Excessive predecessor constraint size, skipping predecessor.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/58 variables, 58/58 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/58 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (OVERLAPS) 432/490 variables, 25/83 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/490 variables, 432/515 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/490 variables, 0/515 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (OVERLAPS) 1/491 variables, 1/516 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/491 variables, 1/517 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/491 variables, 0/517 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (OVERLAPS) 517/1008 variables, 491/1008 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1008 variables, 0/1008 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Problem GPUForwardProgress-PT-24b-ReachabilityFireability-2024-00 is UNSAT
FORMULA GPUForwardProgress-PT-24b-ReachabilityFireability-2024-00 FALSE TECHNIQUES SMT_REFINEMENT
Problem GPUForwardProgress-PT-24b-ReachabilityFireability-2024-11 is UNSAT
FORMULA GPUForwardProgress-PT-24b-ReachabilityFireability-2024-11 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 10 (OVERLAPS) 1/1009 variables, 1/1009 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1009 variables, 1/1010 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1009 variables, 0/1010 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 13 (OVERLAPS) 0/1009 variables, 0/1010 constraints. Problems are: Problem set: 2 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1009/1009 variables, and 1010 constraints, problems are : Problem set: 2 solved, 4 unsolved in 990 ms.
Refiners :[Domain max(s): 492/492 constraints, Generalized P Invariants (flows): 26/26 constraints, State Equation: 492/492 constraints, PredecessorRefiner: 6/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 2 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/26 variables, 26/26 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/26 variables, 0/26 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 2 (OVERLAPS) 464/490 variables, 25/51 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/490 variables, 464/515 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/490 variables, 0/515 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 1/491 variables, 1/516 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/491 variables, 1/517 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/491 variables, 0/517 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 8 (OVERLAPS) 517/1008 variables, 491/1008 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1008 variables, 4/1012 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1008 variables, 0/1012 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 11 (OVERLAPS) 1/1009 variables, 1/1013 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1009 variables, 1/1014 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1009 variables, 0/1014 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 14 (OVERLAPS) 0/1009 variables, 0/1014 constraints. Problems are: Problem set: 2 solved, 4 unsolved
No progress, stopping.
Problem GPUForwardProgress-PT-24b-ReachabilityFireability-2024-05 is UNSAT
FORMULA GPUForwardProgress-PT-24b-ReachabilityFireability-2024-05 TRUE TECHNIQUES SMT_REFINEMENT
After SMT solving in domain Int declared 1009/1009 variables, and 1014 constraints, problems are : Problem set: 2 solved, 4 unsolved in 1897 ms.
Refiners :[Domain max(s): 492/492 constraints, Generalized P Invariants (flows): 26/26 constraints, State Equation: 492/492 constraints, PredecessorRefiner: 4/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2999ms problems are : Problem set: 2 solved, 4 unsolved
Fused 4 Parikh solutions to 2 different solutions.
FORMULA GPUForwardProgress-PT-24b-ReachabilityFireability-2024-14 TRUE TECHNIQUES PARIKH_WALK
FORMULA GPUForwardProgress-PT-24b-ReachabilityFireability-2024-12 TRUE TECHNIQUES PARIKH_WALK
FORMULA GPUForwardProgress-PT-24b-ReachabilityFireability-2024-09 TRUE TECHNIQUES PARIKH_WALK
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Parikh walk visited 3 properties in 303 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 4813 ms.

BK_STOP 1779729185900

--------------------
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="GPUForwardProgress-PT-24b"
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 GPUForwardProgress-PT-24b, 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 r146-tall-177961074200471"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/GPUForwardProgress-PT-24b.tgz
mv GPUForwardProgress-PT-24b 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 ;