Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2023-input.r211-smll-167840355200027.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2023-input.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 2-5348
Executing tool itstools
Input is GPUForwardProgress-PT-12b, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r211-smll-167840355200027
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 484K
-rw-r--r-- 1 mcc users 6.3K Feb 25 14:12 CTLCardinality.txt
-rw-r--r-- 1 mcc users 68K Feb 25 14:12 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.8K Feb 25 14:12 CTLFireability.txt
-rw-r--r-- 1 mcc users 53K Feb 25 14:12 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.7K Feb 25 16:11 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Feb 25 16:11 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Feb 25 16:11 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Feb 25 16:11 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Feb 25 14:13 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 122K Feb 25 14:13 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.8K Feb 25 14:13 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 55K Feb 25 14:13 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Feb 25 16:11 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Feb 25 16:11 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 65K Mar 5 18:22 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 1678404989581

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=GPUForwardProgress-PT-12b
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202303021504
[2023-03-09 23:36:32] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2023-03-09 23:36:32] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-09 23:36:33] [INFO ] Load time of PNML (sax parser for PT used): 136 ms
[2023-03-09 23:36:33] [INFO ] Transformed 264 places.
[2023-03-09 23:36:33] [INFO ] Transformed 277 transitions.
[2023-03-09 23:36:33] [INFO ] Found NUPN structural information;
[2023-03-09 23:36:33] [INFO ] Parsed PT model containing 264 places and 277 transitions and 677 arcs in 283 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 264/264 places, 277/277 transitions.
Graph (trivial) has 238 edges and 264 vertex of which 7 / 264 are part of one of the 1 SCC in 10 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 removed 146 transitions
Trivial Post-agglo rules discarded 146 transitions
Performed 146 trivial Post agglomeration. Transition count delta: 146
Iterating post reduction 0 with 147 rules applied. Total rules applied 148 place count 257 transition count 124
Reduce places removed 146 places and 0 transitions.
Ensure Unique test removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Drop transitions removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 1 with 160 rules applied. Total rules applied 308 place count 111 transition count 110
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 309 place count 110 transition count 110
Performed 26 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 26 Pre rules applied. Total rules applied 309 place count 110 transition count 84
Deduced a syphon composed of 26 places in 1 ms
Reduce places removed 26 places and 0 transitions.
Iterating global reduction 3 with 52 rules applied. Total rules applied 361 place count 84 transition count 84
Performed 41 Post agglomeration using F-continuation condition.Transition count delta: 41
Deduced a syphon composed of 41 places in 0 ms
Reduce places removed 41 places and 0 transitions.
Iterating global reduction 3 with 82 rules applied. Total rules applied 443 place count 43 transition count 43
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -10
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 445 place count 42 transition count 53
Applied a total of 445 rules in 68 ms. Remains 42 /264 variables (removed 222) and now considering 53/277 (removed 224) transitions.
[2023-03-09 23:36:33] [INFO ] Flow matrix only has 42 transitions (discarded 11 similar events)
// Phase 1: matrix 42 rows 42 cols
[2023-03-09 23:36:33] [INFO ] Computed 13 place invariants in 13 ms
[2023-03-09 23:36:33] [INFO ] Implicit Places using invariants in 418 ms returned []
[2023-03-09 23:36:33] [INFO ] Flow matrix only has 42 transitions (discarded 11 similar events)
[2023-03-09 23:36:33] [INFO ] Invariant cache hit.
[2023-03-09 23:36:33] [INFO ] State equation strengthened by 38 read => feed constraints.
[2023-03-09 23:36:33] [INFO ] Implicit Places using invariants and state equation in 217 ms returned []
Implicit Place search using SMT with State Equation took 698 ms to find 0 implicit places.
[2023-03-09 23:36:33] [INFO ] Flow matrix only has 42 transitions (discarded 11 similar events)
[2023-03-09 23:36:33] [INFO ] Invariant cache hit.
[2023-03-09 23:36:34] [INFO ] Dead Transitions using invariants and state equation in 148 ms found 0 transitions.
Starting structural reductions in LIVENESS mode, iteration 1 : 42/264 places, 53/277 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 916 ms. Remains : 42/264 places, 53/277 transitions.
Discarding 26 transitions out of 53. Remains 27
Initial state reduction rules removed 1 formulas.
Incomplete random walk after 10000 steps, including 861 resets, run finished after 270 ms. (steps per millisecond=37 ) properties (out of 26) seen :25
Incomplete Best-First random walk after 10001 steps, including 588 resets, run finished after 63 ms. (steps per millisecond=158 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
[2023-03-09 23:36:34] [INFO ] Flow matrix only has 42 transitions (discarded 11 similar events)
[2023-03-09 23:36:34] [INFO ] Invariant cache hit.
[2023-03-09 23:36:34] [INFO ] Flatten gal took : 81 ms
[2023-03-09 23:36:34] [INFO ] Flatten gal took : 27 ms
[2023-03-09 23:36:34] [INFO ] [Real]Absence check using 0 positive and 13 generalized place invariants in 6 ms returned sat
[2023-03-09 23:36:34] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality15872551864356237643.gal : 14 ms
[2023-03-09 23:36:34] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7055157414278338223.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality15872551864356237643.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7055157414278338223.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality7055157414278338223.prop.
[2023-03-09 23:36:34] [INFO ] After 173ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :2 after 3
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :3 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 17
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :17 after 35
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :35 after 109
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :109 after 329
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :329 after 985
[2023-03-09 23:36:34] [INFO ] [Nat]Absence check using 0 positive and 13 generalized place invariants in 16 ms returned sat
[2023-03-09 23:36:34] [INFO ] After 49ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-09 23:36:34] [INFO ] State equation strengthened by 38 read => feed constraints.
[2023-03-09 23:36:34] [INFO ] After 22ms SMT Verify possible using 38 Read/Feed constraints in natural domain returned unsat :0 sat :1
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :985 after 2851
[2023-03-09 23:36:34] [INFO ] After 47ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 20 ms.
[2023-03-09 23:36:34] [INFO ] After 214ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 58 ms.
Support contains 14 out of 42 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 42/42 places, 53/53 transitions.
Drop transitions removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 42 transition count 52
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 1 with 2 rules applied. Total rules applied 3 place count 41 transition count 51
Drop transitions removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 1 with 12 rules applied. Total rules applied 15 place count 41 transition count 39
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 2 with 1 rules applied. Total rules applied 16 place count 40 transition count 38
Applied a total of 16 rules in 31 ms. Remains 40 /42 variables (removed 2) and now considering 38/53 (removed 15) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 31 ms. Remains : 40/42 places, 38/53 transitions.
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :2851 after 8523
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :8523 after 25699
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :25699 after 77417
Incomplete random walk after 1000000 steps, including 149587 resets, run finished after 2267 ms. (steps per millisecond=441 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 1000001 steps, including 66666 resets, run finished after 873 ms. (steps per millisecond=1145 ) properties (out of 1) seen :0
Finished probabilistic random walk after 417 steps, run visited all 1 properties in 12 ms. (steps per millisecond=34 )
Probabilistic random walk after 417 steps, saw 393 distinct states, run finished after 12 ms. (steps per millisecond=34 ) properties seen :1
ITS runner failed with exception null
java.lang.InterruptedException
at java.base/java.lang.Object.wait(Native Method)
at java.base/java.lang.Thread.join(Thread.java:1304)
at java.base/java.lang.Thread.join(Thread.java:1372)
at fr.lip6.move.gal.application.runner.AbstractRunner.join(AbstractRunner.java:27)
at fr.lip6.move.gal.application.runner.its.ITSRunner.join(ITSRunner.java:177)
at fr.lip6.move.gal.application.solver.global.GlobalPropertySolver.verifyWithSDD(GlobalPropertySolver.java:675)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.lambda$2(ReachabilitySolver.java:63)
at java.base/java.lang.Thread.run(Thread.java:833)
Able to resolve query QuasiLiveness after proving 27 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK PROBABILISTIC_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 5328 ms.
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :77417 after 225261

BK_STOP 1678404999576

--------------------
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
+ [[ QuasiLiveness = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution QuasiLiveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800
+ 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:
++ perl -pe 's/.*\.//g'
++ sed s/.jar//
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination QuasiLiveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800

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-12b"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="itstools"
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 2-5348"
echo " Executing tool itstools"
echo " Input is GPUForwardProgress-PT-12b, 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 r211-smll-167840355200027"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/GPUForwardProgress-PT-12b.tgz
mv GPUForwardProgress-PT-12b 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 ;