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.r014-tall-174853743800332.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 AutoFlight-PT-06b, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r014-tall-174853743800332
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 628K
-rw-r--r-- 1 mcc users 6.8K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 73K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.3K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 47K 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 3.7K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K 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 14K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 147K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 90K 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 3.7K 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 134K 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 1748549431232

Invoking MCC driver with
BK_TOOL=gold2024
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=AutoFlight-PT-06b
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2025-05-29 20:10:32] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2025-05-29 20:10:32] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-29 20:10:32] [INFO ] Load time of PNML (sax parser for PT used): 93 ms
[2025-05-29 20:10:32] [INFO ] Transformed 574 places.
[2025-05-29 20:10:32] [INFO ] Transformed 572 transitions.
[2025-05-29 20:10:32] [INFO ] Found NUPN structural information;
[2025-05-29 20:10:32] [INFO ] Parsed PT model containing 574 places and 572 transitions and 1334 arcs in 202 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 574/574 places, 572/572 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 226 transitions
Trivial Post-agglo rules discarded 226 transitions
Performed 226 trivial Post agglomeration. Transition count delta: 226
Iterating post reduction 0 with 226 rules applied. Total rules applied 226 place count 574 transition count 346
Reduce places removed 226 places and 0 transitions.
Ensure Unique test removed 30 transitions
Reduce isomorphic transitions removed 30 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 12 transitions
Trivial Post-agglo rules discarded 12 transitions
Performed 12 trivial Post agglomeration. Transition count delta: 12
Iterating post reduction 1 with 268 rules applied. Total rules applied 494 place count 348 transition count 304
Reduce places removed 12 places and 0 transitions.
Iterating post reduction 2 with 12 rules applied. Total rules applied 506 place count 336 transition count 304
Performed 79 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 79 Pre rules applied. Total rules applied 506 place count 336 transition count 225
Deduced a syphon composed of 79 places in 3 ms
Reduce places removed 79 places and 0 transitions.
Iterating global reduction 3 with 158 rules applied. Total rules applied 664 place count 257 transition count 225
Performed 110 Post agglomeration using F-continuation condition.Transition count delta: 110
Deduced a syphon composed of 110 places in 0 ms
Reduce places removed 110 places and 0 transitions.
Iterating global reduction 3 with 220 rules applied. Total rules applied 884 place count 147 transition count 115
Applied a total of 884 rules in 75 ms. Remains 147 /574 variables (removed 427) and now considering 115/572 (removed 457) transitions.
// Phase 1: matrix 115 rows 147 cols
[2025-05-29 20:10:32] [INFO ] Computed 40 invariants in 10 ms
[2025-05-29 20:10:33] [INFO ] Implicit Places using invariants in 284 ms returned [45, 48, 51, 54, 57, 60, 146]
Discarding 7 places :
Implicit Place search using SMT only with invariants took 326 ms to find 7 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 140/574 places, 115/572 transitions.
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 6 Pre rules applied. Total rules applied 0 place count 140 transition count 109
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 0 with 12 rules applied. Total rules applied 12 place count 134 transition count 109
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: 8
Deduced a syphon composed of 8 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 0 with 16 rules applied. Total rules applied 28 place count 126 transition count 101
Applied a total of 28 rules in 7 ms. Remains 126 /140 variables (removed 14) and now considering 101/115 (removed 14) transitions.
// Phase 1: matrix 101 rows 126 cols
[2025-05-29 20:10:33] [INFO ] Computed 33 invariants in 8 ms
[2025-05-29 20:10:33] [INFO ] Implicit Places using invariants in 116 ms returned []
[2025-05-29 20:10:33] [INFO ] Invariant cache hit.
[2025-05-29 20:10:33] [INFO ] State equation strengthened by 30 read => feed constraints.
[2025-05-29 20:10:33] [INFO ] Implicit Places using invariants and state equation in 201 ms returned []
Implicit Place search using SMT with State Equation took 318 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 126/574 places, 101/572 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 749 ms. Remains : 126/574 places, 101/572 transitions.
Discarding 24 transitions out of 101. Remains 77
Initial state reduction rules removed 1 formulas.
RANDOM walk for 40000 steps (1551 resets) in 2051 ms. (19 steps per ms) remains 16/76 properties
BEST_FIRST walk for 4004 steps (8 resets) in 18 ms. (210 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 11 ms. (333 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (11 resets) in 12 ms. (308 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (10 resets) in 14 ms. (266 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (11 resets) in 11 ms. (333 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (10 resets) in 16 ms. (235 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (11 resets) in 13 ms. (286 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (12 resets) in 23 ms. (166 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (11 resets) in 16 ms. (235 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (12 resets) in 15 ms. (250 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (10 resets) in 14 ms. (266 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (11 resets) in 13 ms. (286 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (12 resets) in 13 ms. (286 steps per ms) remains 15/16 properties
BEST_FIRST walk for 4004 steps (12 resets) in 12 ms. (308 steps per ms) remains 14/15 properties
BEST_FIRST walk for 4003 steps (11 resets) in 10 ms. (363 steps per ms) remains 14/14 properties
BEST_FIRST walk for 4004 steps (11 resets) in 8 ms. (444 steps per ms) remains 14/14 properties
[2025-05-29 20:10:34] [INFO ] Invariant cache hit.
[2025-05-29 20:10:34] [INFO ] State equation strengthened by 30 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/21 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 2 (OVERLAPS) 57/78 variables, 9/30 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/78 variables, 57/87 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/78 variables, 0/87 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 5 (OVERLAPS) 48/126 variables, 24/111 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/126 variables, 48/159 constraints. Problems are: Problem set: 0 solved, 14 unsolved
[2025-05-29 20:10:34] [INFO ] Deduced a trap composed of 6 places in 51 ms of which 12 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/126 variables, 1/160 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/126 variables, 0/160 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 9 (OVERLAPS) 101/227 variables, 126/286 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/227 variables, 30/316 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/227 variables, 0/316 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 12 (OVERLAPS) 0/227 variables, 0/316 constraints. Problems are: Problem set: 0 solved, 14 unsolved
No progress, stopping.
After SMT solving in domain Real declared 227/227 variables, and 316 constraints, problems are : Problem set: 0 solved, 14 unsolved in 873 ms.
Refiners :[Domain max(s): 126/126 constraints, Positive P Invariants (semi-flows): 33/33 constraints, State Equation: 126/126 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 14/14 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 14 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/21 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 2 (OVERLAPS) 57/78 variables, 9/30 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/78 variables, 57/87 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/78 variables, 0/87 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 5 (OVERLAPS) 48/126 variables, 24/111 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/126 variables, 48/159 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/126 variables, 1/160 constraints. Problems are: Problem set: 0 solved, 14 unsolved
[2025-05-29 20:10:35] [INFO ] Deduced a trap composed of 6 places in 24 ms of which 2 ms to minimize.
[2025-05-29 20:10:35] [INFO ] Deduced a trap composed of 4 places in 195 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/126 variables, 2/162 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/126 variables, 0/162 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 10 (OVERLAPS) 101/227 variables, 126/288 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/227 variables, 30/318 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/227 variables, 14/332 constraints. Problems are: Problem set: 0 solved, 14 unsolved
[2025-05-29 20:10:35] [INFO ] Deduced a trap composed of 6 places in 16 ms of which 0 ms to minimize.
[2025-05-29 20:10:36] [INFO ] Deduced a trap composed of 6 places in 225 ms of which 1 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/227 variables, 2/334 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/227 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 15 (OVERLAPS) 0/227 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 14 unsolved
No progress, stopping.
After SMT solving in domain Int declared 227/227 variables, and 334 constraints, problems are : Problem set: 0 solved, 14 unsolved in 1690 ms.
Refiners :[Domain max(s): 126/126 constraints, Positive P Invariants (semi-flows): 33/33 constraints, State Equation: 126/126 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 14/14 constraints, Known Traps: 5/5 constraints]
After SMT, in 2619ms problems are : Problem set: 0 solved, 14 unsolved
Finished Parikh walk after 109 steps, including 1 resets, run visited all 14 properties in 6 ms. (steps per millisecond=18 )
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 2 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 )
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 )
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 14 properties in 15 ms.
Able to resolve query QuasiLiveness after proving 77 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK PARIKH_WALK BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 4369 ms.
ITS solved all properties within timeout

BK_STOP 1748549436924

--------------------
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="AutoFlight-PT-06b"
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 AutoFlight-PT-06b, 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 r014-tall-174853743800332"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/AutoFlight-PT-06b.tgz
mv AutoFlight-PT-06b 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 ;