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.r154-tall-174876825100132.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 NoC3x3-PT-4B, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r154-tall-174876825100132
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1012K
-rw-r--r-- 1 mcc users 4.9K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 44K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.2K 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 4.2K May 29 14:32 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.4K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 23K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K 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 13K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 132K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 5.9K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 45K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K 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 3 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 608K 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 1748841591141

Invoking MCC driver with
BK_TOOL=gold2024
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=NoC3x3-PT-4B
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2025-06-02 05:19:52] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2025-06-02 05:19:52] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-02 05:19:52] [INFO ] Load time of PNML (sax parser for PT used): 157 ms
[2025-06-02 05:19:52] [INFO ] Transformed 2328 places.
[2025-06-02 05:19:52] [INFO ] Transformed 2701 transitions.
[2025-06-02 05:19:52] [INFO ] Found NUPN structural information;
[2025-06-02 05:19:52] [INFO ] Parsed PT model containing 2328 places and 2701 transitions and 6091 arcs in 275 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 2328/2328 places, 2701/2701 transitions.
Graph (trivial) has 2324 edges and 2328 vertex of which 1399 / 2328 are part of one of the 33 SCC in 9 ms
Free SCC test removed 1366 places
Ensure Unique test removed 1620 transitions
Reduce isomorphic transitions removed 1620 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 33 transitions
Trivial Post-agglo rules discarded 33 transitions
Performed 33 trivial Post agglomeration. Transition count delta: 33
Iterating post reduction 0 with 33 rules applied. Total rules applied 34 place count 962 transition count 1048
Reduce places removed 33 places and 0 transitions.
Iterating post reduction 1 with 33 rules applied. Total rules applied 67 place count 929 transition count 1048
Performed 494 Post agglomeration using F-continuation condition.Transition count delta: 494
Deduced a syphon composed of 494 places in 1 ms
Reduce places removed 494 places and 0 transitions.
Iterating global reduction 2 with 988 rules applied. Total rules applied 1055 place count 435 transition count 554
Applied a total of 1055 rules in 133 ms. Remains 435 /2328 variables (removed 1893) and now considering 554/2701 (removed 2147) transitions.
[2025-06-02 05:19:52] [INFO ] Flow matrix only has 488 transitions (discarded 66 similar events)
// Phase 1: matrix 488 rows 435 cols
[2025-06-02 05:19:52] [INFO ] Computed 66 invariants in 22 ms
[2025-06-02 05:19:53] [INFO ] Implicit Places using invariants in 503 ms returned [13, 54, 99, 142, 209, 278, 323, 368, 415]
Discarding 9 places :
Implicit Place search using SMT only with invariants took 530 ms to find 9 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 426/2328 places, 554/2701 transitions.
Graph (trivial) has 265 edges and 426 vertex of which 48 / 426 are part of one of the 24 SCC in 0 ms
Free SCC test removed 24 places
Ensure Unique test removed 48 transitions
Reduce isomorphic transitions removed 48 transitions.
Applied a total of 1 rules in 7 ms. Remains 402 /426 variables (removed 24) and now considering 506/554 (removed 48) transitions.
[2025-06-02 05:19:53] [INFO ] Flow matrix only has 440 transitions (discarded 66 similar events)
// Phase 1: matrix 440 rows 402 cols
[2025-06-02 05:19:53] [INFO ] Computed 57 invariants in 3 ms
[2025-06-02 05:19:53] [INFO ] Implicit Places using invariants in 396 ms returned []
[2025-06-02 05:19:53] [INFO ] Flow matrix only has 440 transitions (discarded 66 similar events)
[2025-06-02 05:19:53] [INFO ] Invariant cache hit.
[2025-06-02 05:19:54] [INFO ] State equation strengthened by 15 read => feed constraints.
[2025-06-02 05:19:54] [INFO ] Implicit Places using invariants and state equation in 608 ms returned []
Implicit Place search using SMT with State Equation took 1006 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 402/2328 places, 506/2701 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 1701 ms. Remains : 402/2328 places, 506/2701 transitions.
Discarding 184 transitions out of 506. Remains 322
Initial state reduction rules removed 1 formulas.
RANDOM walk for 40000 steps (550 resets) in 2161 ms. (18 steps per ms) remains 8/321 properties
BEST_FIRST walk for 40004 steps (8 resets) in 159 ms. (250 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 104 ms. (380 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 118 ms. (336 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 102 ms. (388 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 111 ms. (357 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 94 ms. (421 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 61 ms. (645 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 93 ms. (425 steps per ms) remains 8/8 properties
[2025-06-02 05:19:55] [INFO ] Flow matrix only has 440 transitions (discarded 66 similar events)
[2025-06-02 05:19:55] [INFO ] Invariant cache hit.
[2025-06-02 05:19:55] [INFO ] State equation strengthened by 15 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/15 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/15 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (OVERLAPS) 91/106 variables, 13/28 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/106 variables, 91/119 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/106 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (OVERLAPS) 296/402 variables, 44/163 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/402 variables, 296/459 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/402 variables, 0/459 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 8 (OVERLAPS) 439/841 variables, 402/861 constraints. Problems are: Problem set: 0 solved, 8 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/841 variables, 14/875 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/841 variables, 0/875 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 11 (OVERLAPS) 1/842 variables, 1/876 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/842 variables, 0/876 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 13 (OVERLAPS) 0/842 variables, 0/876 constraints. Problems are: Problem set: 0 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Real declared 842/842 variables, and 876 constraints, problems are : Problem set: 0 solved, 8 unsolved in 846 ms.
Refiners :[Domain max(s): 402/402 constraints, Positive P Invariants (semi-flows): 57/57 constraints, State Equation: 402/402 constraints, ReadFeed: 15/15 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 8 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/15 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/15 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (OVERLAPS) 91/106 variables, 13/28 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/106 variables, 91/119 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/106 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (OVERLAPS) 296/402 variables, 44/163 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/402 variables, 296/459 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/402 variables, 0/459 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 8 (OVERLAPS) 439/841 variables, 402/861 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/841 variables, 14/875 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/841 variables, 8/883 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/841 variables, 0/883 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 12 (OVERLAPS) 1/842 variables, 1/884 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/842 variables, 0/884 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 14 (OVERLAPS) 0/842 variables, 0/884 constraints. Problems are: Problem set: 0 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Int declared 842/842 variables, and 884 constraints, problems are : Problem set: 0 solved, 8 unsolved in 898 ms.
Refiners :[Domain max(s): 402/402 constraints, Positive P Invariants (semi-flows): 57/57 constraints, State Equation: 402/402 constraints, ReadFeed: 15/15 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 0/0 constraints]
After SMT, in 1784ms problems are : Problem set: 0 solved, 8 unsolved
Fused 8 Parikh solutions to 5 different solutions.
Finished Parikh walk after 6646 steps, including 159 resets, run visited all 8 properties in 55 ms. (steps per millisecond=120 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Parikh walk visited 8 properties in 70 ms.
Able to resolve query QuasiLiveness after proving 322 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK PARIKH_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 5036 ms.
ITS solved all properties within timeout

BK_STOP 1748841597453

--------------------
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="NoC3x3-PT-4B"
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 NoC3x3-PT-4B, 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 r154-tall-174876825100132"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/NoC3x3-PT-4B.tgz
mv NoC3x3-PT-4B 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 ;