Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r112-smll-174867016400292.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-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 2-5832
Executing tool gold2024
Input is GPUForwardProgress-PT-24b, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r112-smll-174867016400292
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 532K
-rw-r--r-- 1 mcc users 6.8K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 72K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.1K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 58K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.6K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 110K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.8K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 53K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 4 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 122K May 29 14:32 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 1748770323833

Invoking MCC driver with
BK_TOOL=gold2024
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=GPUForwardProgress-PT-24b
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2025-06-01 09:32:06] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2025-06-01 09:32:06] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-01 09:32:07] [INFO ] Load time of PNML (sax parser for PT used): 289 ms
[2025-06-01 09:32:07] [INFO ] Transformed 492 places.
[2025-06-01 09:32:07] [INFO ] Transformed 517 transitions.
[2025-06-01 09:32:07] [INFO ] Found NUPN structural information;
[2025-06-01 09:32:07] [INFO ] Parsed PT model containing 492 places and 517 transitions and 1277 arcs in 562 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 492/492 places, 517/517 transitions.
Graph (trivial) has 442 edges and 492 vertex of which 7 / 492 are part of one of the 1 SCC in 11 ms
Free SCC test removed 6 places
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Ensure Unique test removed 1 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 278 transitions
Trivial Post-agglo rules discarded 278 transitions
Performed 278 trivial Post agglomeration. Transition count delta: 278
Iterating post reduction 0 with 279 rules applied. Total rules applied 280 place count 485 transition count 232
Reduce places removed 278 places and 0 transitions.
Ensure Unique test removed 25 transitions
Reduce isomorphic transitions removed 25 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 1 with 304 rules applied. Total rules applied 584 place count 207 transition count 206
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 585 place count 206 transition count 206
Performed 50 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 50 Pre rules applied. Total rules applied 585 place count 206 transition count 156
Deduced a syphon composed of 50 places in 3 ms
Reduce places removed 50 places and 0 transitions.
Iterating global reduction 3 with 100 rules applied. Total rules applied 685 place count 156 transition count 156
Performed 77 Post agglomeration using F-continuation condition.Transition count delta: 77
Deduced a syphon composed of 77 places in 1 ms
Reduce places removed 77 places and 0 transitions.
Iterating global reduction 3 with 154 rules applied. Total rules applied 839 place count 79 transition count 79
Applied a total of 839 rules in 268 ms. Remains 79 /492 variables (removed 413) and now considering 79/517 (removed 438) transitions.
[2025-06-01 09:32:07] [INFO ] Flow matrix only has 56 transitions (discarded 23 similar events)
// Phase 1: matrix 56 rows 79 cols
[2025-06-01 09:32:07] [INFO ] Computed 25 invariants in 16 ms
[2025-06-01 09:32:08] [INFO ] Implicit Places using invariants in 606 ms returned []
[2025-06-01 09:32:08] [INFO ] Flow matrix only has 56 transitions (discarded 23 similar events)
[2025-06-01 09:32:08] [INFO ] Invariant cache hit.
[2025-06-01 09:32:08] [INFO ] State equation strengthened by 50 read => feed constraints.
[2025-06-01 09:32:08] [INFO ] Implicit Places using invariants and state equation in 458 ms returned []
Implicit Place search using SMT with State Equation took 1140 ms to find 0 implicit places.
Running 78 sub problems to find dead transitions.
[2025-06-01 09:32:08] [INFO ] Flow matrix only has 56 transitions (discarded 23 similar events)
[2025-06-01 09:32:08] [INFO ] Invariant cache hit.
[2025-06-01 09:32:08] [INFO ] State equation strengthened by 50 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/78 variables, 78/78 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/78 variables, 25/103 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/78 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 3 (OVERLAPS) 55/133 variables, 78/181 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/133 variables, 49/230 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/133 variables, 0/230 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 6 (OVERLAPS) 1/134 variables, 1/231 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/134 variables, 1/232 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/134 variables, 0/232 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 9 (OVERLAPS) 1/135 variables, 1/233 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/135 variables, 0/233 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 11 (OVERLAPS) 0/135 variables, 0/233 constraints. Problems are: Problem set: 0 solved, 78 unsolved
No progress, stopping.
After SMT solving in domain Real declared 135/135 variables, and 233 constraints, problems are : Problem set: 0 solved, 78 unsolved in 7112 ms.
Refiners :[Domain max(s): 79/79 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 79/79 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 78/78 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 78 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/78 variables, 78/78 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/78 variables, 25/103 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/78 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 3 (OVERLAPS) 55/133 variables, 78/181 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/133 variables, 49/230 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/133 variables, 78/308 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/133 variables, 0/308 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 7 (OVERLAPS) 1/134 variables, 1/309 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/134 variables, 1/310 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/134 variables, 0/310 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 10 (OVERLAPS) 1/135 variables, 1/311 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/135 variables, 0/311 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 12 (OVERLAPS) 0/135 variables, 0/311 constraints. Problems are: Problem set: 0 solved, 78 unsolved
No progress, stopping.
After SMT solving in domain Int declared 135/135 variables, and 311 constraints, problems are : Problem set: 0 solved, 78 unsolved in 8202 ms.
Refiners :[Domain max(s): 79/79 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 79/79 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 78/78 constraints, Known Traps: 0/0 constraints]
After SMT, in 15772ms problems are : Problem set: 0 solved, 78 unsolved
Search for dead transitions found 0 dead transitions in 15799ms
Starting structural reductions in LIVENESS mode, iteration 1 : 79/492 places, 79/517 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 17261 ms. Remains : 79/492 places, 79/517 transitions.
Discarding 27 transitions out of 79. Remains 52
Initial state reduction rules removed 1 formulas.
RANDOM walk for 40000 steps (2346 resets) in 2601 ms. (15 steps per ms) remains 1/51 properties
BEST_FIRST walk for 40004 steps (1376 resets) in 433 ms. (92 steps per ms) remains 1/1 properties
[2025-06-01 09:32:25] [INFO ] Flow matrix only has 56 transitions (discarded 23 similar events)
[2025-06-01 09:32:25] [INFO ] Invariant cache hit.
[2025-06-01 09:32:25] [INFO ] State equation strengthened by 50 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/26 variables, 26/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/26 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 52/78 variables, 25/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/78 variables, 52/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/78 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 55/133 variables, 78/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/133 variables, 49/230 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/133 variables, 0/230 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1/134 variables, 1/231 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/134 variables, 1/232 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/134 variables, 0/232 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 1/135 variables, 1/233 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/135 variables, 0/233 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/135 variables, 0/233 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 135/135 variables, and 233 constraints, problems are : Problem set: 0 solved, 1 unsolved in 193 ms.
Refiners :[Domain max(s): 79/79 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 79/79 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/26 variables, 26/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/26 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 52/78 variables, 25/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/78 variables, 52/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/78 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 55/133 variables, 78/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/133 variables, 49/230 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/133 variables, 1/231 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/133 variables, 0/231 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 1/134 variables, 1/232 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/134 variables, 1/233 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/134 variables, 0/233 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 1/135 variables, 1/234 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/135 variables, 0/234 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/135 variables, 0/234 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 135/135 variables, and 234 constraints, problems are : Problem set: 0 solved, 1 unsolved in 271 ms.
Refiners :[Domain max(s): 79/79 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 79/79 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 485ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 119 steps, including 1 resets, run visited all 1 properties in 7 ms. (steps per millisecond=17 )
Parikh walk visited 1 properties in 17 ms.
Able to resolve query QuasiLiveness after proving 52 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK PARIKH_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 19344 ms.
ITS solved all properties within timeout

BK_STOP 1748770345957

--------------------
content from stderr:

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination QuasiLiveness -timeout 180 -rebuildPNML

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="QuasiLiveness"
export BK_TOOL="gold2024"
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 2-5832"
echo " Executing tool gold2024"
echo " Input is GPUForwardProgress-PT-24b, 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 r112-smll-174867016400292"
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 [ "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 ;