Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2024-input.r530-tall-171683778800177.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5568
Executing tool ltsminxred
Input is ShieldIIPt-PT-020B, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r530-tall-171683778800177
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 760K
-rw-r--r-- 1 mcc users 5.3K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 50K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.1K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 35K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:43 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.2K May 19 07:15 LTLCardinality.txt
-rw-r--r-- 1 mcc users 23K May 19 16:32 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K May 19 07:31 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K May 19 19:06 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Apr 12 20:43 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 136K Apr 12 20:43 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.4K Apr 12 20:42 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 72K Apr 12 20:42 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Apr 23 07:52 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Apr 23 07:52 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:43 equiv_col
-rw-r--r-- 1 mcc users 5 May 18 16:43 instance
-rw-r--r-- 1 mcc users 6 May 18 16:43 iscolored
-rw-r--r-- 1 mcc users 338K May 18 16:43 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 1717223547105

Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=ShieldIIPt-PT-020B
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202405141337
[2024-06-01 06:32:28] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2024-06-01 06:32:28] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-06-01 06:32:28] [INFO ] Load time of PNML (sax parser for PT used): 132 ms
[2024-06-01 06:32:28] [INFO ] Transformed 1403 places.
[2024-06-01 06:32:28] [INFO ] Transformed 1303 transitions.
[2024-06-01 06:32:28] [INFO ] Found NUPN structural information;
[2024-06-01 06:32:28] [INFO ] Parsed PT model containing 1403 places and 1303 transitions and 3246 arcs in 279 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 1403/1403 places, 1303/1303 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 342 transitions
Trivial Post-agglo rules discarded 342 transitions
Performed 342 trivial Post agglomeration. Transition count delta: 342
Iterating post reduction 0 with 342 rules applied. Total rules applied 342 place count 1403 transition count 961
Reduce places removed 342 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 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 344 rules applied. Total rules applied 686 place count 1061 transition count 959
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 687 place count 1060 transition count 959
Performed 81 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 81 Pre rules applied. Total rules applied 687 place count 1060 transition count 878
Deduced a syphon composed of 81 places in 10 ms
Reduce places removed 81 places and 0 transitions.
Iterating global reduction 3 with 162 rules applied. Total rules applied 849 place count 979 transition count 878
Performed 539 Post agglomeration using F-continuation condition.Transition count delta: 539
Deduced a syphon composed of 539 places in 1 ms
Reduce places removed 539 places and 0 transitions.
Iterating global reduction 3 with 1078 rules applied. Total rules applied 1927 place count 440 transition count 339
Renaming transitions due to excessive name length > 1024 char.
Performed 59 Post agglomeration using F-continuation condition.Transition count delta: -39
Deduced a syphon composed of 59 places in 1 ms
Reduce places removed 59 places and 0 transitions.
Iterating global reduction 3 with 118 rules applied. Total rules applied 2045 place count 381 transition count 378
Applied a total of 2045 rules in 189 ms. Remains 381 /1403 variables (removed 1022) and now considering 378/1303 (removed 925) transitions.
// Phase 1: matrix 378 rows 381 cols
[2024-06-01 06:32:28] [INFO ] Computed 181 invariants in 20 ms
[2024-06-01 06:32:29] [INFO ] Implicit Places using invariants in 439 ms returned [373, 374]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 469 ms to find 2 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 379/1403 places, 378/1303 transitions.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 0 place count 379 transition count 377
Deduced a syphon composed of 1 places in 3 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 378 transition count 377
Applied a total of 2 rules in 16 ms. Remains 378 /379 variables (removed 1) and now considering 377/378 (removed 1) transitions.
// Phase 1: matrix 377 rows 378 cols
[2024-06-01 06:32:29] [INFO ] Computed 179 invariants in 5 ms
[2024-06-01 06:32:29] [INFO ] Implicit Places using invariants in 251 ms returned [367]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 252 ms to find 1 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 377/1403 places, 377/1303 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 376 transition count 376
Applied a total of 2 rules in 8 ms. Remains 376 /377 variables (removed 1) and now considering 376/377 (removed 1) transitions.
// Phase 1: matrix 376 rows 376 cols
[2024-06-01 06:32:29] [INFO ] Computed 178 invariants in 2 ms
[2024-06-01 06:32:29] [INFO ] Implicit Places using invariants in 214 ms returned []
[2024-06-01 06:32:29] [INFO ] Invariant cache hit.
[2024-06-01 06:32:30] [INFO ] State equation strengthened by 177 read => feed constraints.
[2024-06-01 06:32:31] [INFO ] Implicit Places using invariants and state equation in 1398 ms returned []
Implicit Place search using SMT with State Equation took 1616 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 3 : 376/1403 places, 376/1303 transitions.
Finished structural reductions in LIVENESS mode , in 3 iterations and 2570 ms. Remains : 376/1403 places, 376/1303 transitions.
Discarding 177 transitions out of 376. Remains 199
Initial state reduction rules removed 1 formulas.
RANDOM walk for 40000 steps (8 resets) in 2881 ms. (13 steps per ms) remains 29/198 properties
BEST_FIRST walk for 4004 steps (8 resets) in 26 ms. (148 steps per ms) remains 29/29 properties
BEST_FIRST walk for 4004 steps (8 resets) in 35 ms. (111 steps per ms) remains 29/29 properties
BEST_FIRST walk for 4003 steps (8 resets) in 19 ms. (200 steps per ms) remains 29/29 properties
BEST_FIRST walk for 4003 steps (8 resets) in 41 ms. (95 steps per ms) remains 29/29 properties
BEST_FIRST walk for 4004 steps (8 resets) in 23 ms. (166 steps per ms) remains 29/29 properties
BEST_FIRST walk for 4004 steps (8 resets) in 26 ms. (148 steps per ms) remains 29/29 properties
BEST_FIRST walk for 4002 steps (8 resets) in 26 ms. (148 steps per ms) remains 29/29 properties
BEST_FIRST walk for 4004 steps (8 resets) in 26 ms. (148 steps per ms) remains 29/29 properties
BEST_FIRST walk for 4003 steps (8 resets) in 24 ms. (160 steps per ms) remains 29/29 properties
BEST_FIRST walk for 4004 steps (8 resets) in 45 ms. (87 steps per ms) remains 29/29 properties
BEST_FIRST walk for 4003 steps (8 resets) in 25 ms. (153 steps per ms) remains 29/29 properties
BEST_FIRST walk for 4003 steps (8 resets) in 24 ms. (160 steps per ms) remains 29/29 properties
BEST_FIRST walk for 4004 steps (8 resets) in 24 ms. (160 steps per ms) remains 29/29 properties
BEST_FIRST walk for 4004 steps (8 resets) in 19 ms. (200 steps per ms) remains 29/29 properties
BEST_FIRST walk for 4003 steps (8 resets) in 22 ms. (174 steps per ms) remains 29/29 properties
BEST_FIRST walk for 4003 steps (8 resets) in 20 ms. (190 steps per ms) remains 29/29 properties
BEST_FIRST walk for 4003 steps (8 resets) in 43 ms. (90 steps per ms) remains 29/29 properties
BEST_FIRST walk for 4003 steps (8 resets) in 28 ms. (138 steps per ms) remains 29/29 properties
BEST_FIRST walk for 4003 steps (8 resets) in 23 ms. (166 steps per ms) remains 29/29 properties
BEST_FIRST walk for 4003 steps (8 resets) in 37 ms. (105 steps per ms) remains 29/29 properties
BEST_FIRST walk for 4004 steps (8 resets) in 20 ms. (190 steps per ms) remains 29/29 properties
BEST_FIRST walk for 4004 steps (8 resets) in 21 ms. (182 steps per ms) remains 29/29 properties
BEST_FIRST walk for 4004 steps (8 resets) in 22 ms. (174 steps per ms) remains 29/29 properties
BEST_FIRST walk for 4003 steps (8 resets) in 20 ms. (190 steps per ms) remains 29/29 properties
BEST_FIRST walk for 4002 steps (8 resets) in 18 ms. (210 steps per ms) remains 29/29 properties
BEST_FIRST walk for 4004 steps (8 resets) in 22 ms. (174 steps per ms) remains 29/29 properties
BEST_FIRST walk for 4004 steps (8 resets) in 21 ms. (182 steps per ms) remains 29/29 properties
BEST_FIRST walk for 4004 steps (8 resets) in 32 ms. (121 steps per ms) remains 29/29 properties
BEST_FIRST walk for 4003 steps (8 resets) in 20 ms. (190 steps per ms) remains 29/29 properties
[2024-06-01 06:32:32] [INFO ] Invariant cache hit.
[2024-06-01 06:32:32] [INFO ] State equation strengthened by 177 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/57 variables, 57/57 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/57 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 2 (OVERLAPS) 5/62 variables, 29/86 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/62 variables, 5/91 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/62 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 5 (OVERLAPS) 314/376 variables, 149/240 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/376 variables, 314/554 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/376 variables, 0/554 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 8 (OVERLAPS) 375/751 variables, 376/930 constraints. Problems are: Problem set: 0 solved, 29 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/751 variables, 176/1106 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/751 variables, 0/1106 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 11 (OVERLAPS) 1/752 variables, 1/1107 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/752 variables, 0/1107 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 13 (OVERLAPS) 0/752 variables, 0/1107 constraints. Problems are: Problem set: 0 solved, 29 unsolved
No progress, stopping.
After SMT solving in domain Real declared 752/752 variables, and 1107 constraints, problems are : Problem set: 0 solved, 29 unsolved in 3190 ms.
Refiners :[Domain max(s): 376/376 constraints, Positive P Invariants (semi-flows): 178/178 constraints, State Equation: 376/376 constraints, ReadFeed: 177/177 constraints, PredecessorRefiner: 29/29 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 29 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/57 variables, 57/57 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/57 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 2 (OVERLAPS) 5/62 variables, 29/86 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/62 variables, 5/91 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/62 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 5 (OVERLAPS) 314/376 variables, 149/240 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/376 variables, 314/554 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/376 variables, 0/554 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 8 (OVERLAPS) 375/751 variables, 376/930 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/751 variables, 176/1106 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/751 variables, 29/1135 constraints. Problems are: Problem set: 0 solved, 29 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 751/752 variables, and 1135 constraints, problems are : Problem set: 0 solved, 29 unsolved in 5022 ms.
Refiners :[Domain max(s): 376/376 constraints, Positive P Invariants (semi-flows): 178/178 constraints, State Equation: 376/376 constraints, ReadFeed: 176/177 constraints, PredecessorRefiner: 29/29 constraints, Known Traps: 0/0 constraints]
After SMT, in 8295ms problems are : Problem set: 0 solved, 29 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 57 out of 376 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 376/376 places, 376/376 transitions.
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 1 place count 376 transition count 375
Partial Free-agglomeration rule applied 16 times.
Drop transitions (Partial Free agglomeration) removed 16 transitions
Iterating global reduction 1 with 16 rules applied. Total rules applied 17 place count 376 transition count 375
Applied a total of 17 rules in 74 ms. Remains 376 /376 variables (removed 0) and now considering 375/376 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 74 ms. Remains : 376/376 places, 375/376 transitions.
RANDOM walk for 630060 steps (0 resets) in 9426 ms. (66 steps per ms) remains 0/29 properties
Able to resolve query QuasiLiveness after proving 199 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 18206 ms.
ITS solved all properties within timeout

BK_STOP 1717223566614

--------------------
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//
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
++ perl -pe 's/.*\.//g'
+ 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="ShieldIIPt-PT-020B"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="ltsminxred"
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 2-5568"
echo " Executing tool ltsminxred"
echo " Input is ShieldIIPt-PT-020B, 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 r530-tall-171683778800177"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ShieldIIPt-PT-020B.tgz
mv ShieldIIPt-PT-020B 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.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property QuasiLiveness.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -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 ;