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.r375-smll-167891826400176.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 ltsminxred
Input is SafeBus-PT-15, examination is ReachabilityDeadlock
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r375-smll-167891826400176
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 11M
-rw-r--r-- 1 mcc users 40K Feb 26 02:13 CTLCardinality.txt
-rw-r--r-- 1 mcc users 227K Feb 26 02:13 CTLCardinality.xml
-rw-r--r-- 1 mcc users 390K Feb 26 02:08 CTLFireability.txt
-rw-r--r-- 1 mcc users 1.6M Feb 26 02:08 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:41 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 31K Feb 25 16:49 LTLCardinality.txt
-rw-r--r-- 1 mcc users 116K Feb 25 16:49 LTLCardinality.xml
-rw-r--r-- 1 mcc users 271K Feb 25 16:49 LTLFireability.txt
-rw-r--r-- 1 mcc users 797K Feb 25 16:49 LTLFireability.xml
-rw-r--r-- 1 mcc users 83K Feb 26 02:44 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 472K Feb 26 02:44 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 725K Feb 26 02:40 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 2.7M Feb 26 02:40 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.6K Feb 25 16:49 UpperBounds.txt
-rw-r--r-- 1 mcc users 6.7K Feb 25 16:49 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 3.5M Mar 5 18:23 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 ReachabilityDeadlock

=== Now, execution of the tool begins

BK_START 1679078120362

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=ltsminxred
BK_EXAMINATION=ReachabilityDeadlock
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=SafeBus-PT-15
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-17 18:35:22] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityDeadlock, -timeout, 180, -rebuildPNML]
[2023-03-17 18:35:22] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-17 18:35:23] [INFO ] Load time of PNML (sax parser for PT used): 449 ms
[2023-03-17 18:35:23] [INFO ] Transformed 621 places.
[2023-03-17 18:35:23] [INFO ] Transformed 4771 transitions.
[2023-03-17 18:35:23] [INFO ] Parsed PT model containing 621 places and 4771 transitions and 34549 arcs in 624 ms.
Parsed 1 properties from file /home/mcc/execution/ReachabilityDeadlock.xml in 3 ms.
Working with output stream class java.io.PrintStream
Reduce places removed 15 places and 0 transitions.
Built sparse matrix representations for Structural reductions in 11 ms.25562KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 606/606 places, 4771/4771 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 0 rules in 1788 ms. Remains 606 /606 variables (removed 0) and now considering 4771/4771 (removed 0) transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 1793 ms. Remains : 606/606 places, 4771/4771 transitions.
Starting structural reductions in DEADLOCK mode, iteration 0 : 606/606 places, 4771/4771 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 0 rules in 1364 ms. Remains 606 /606 variables (removed 0) and now considering 4771/4771 (removed 0) transitions.
[2023-03-17 18:35:26] [INFO ] Flow matrix only has 1412 transitions (discarded 3359 similar events)
// Phase 1: matrix 1412 rows 606 cols
[2023-03-17 18:35:26] [INFO ] Computed 65 place invariants in 94 ms
[2023-03-17 18:35:29] [INFO ] Implicit Places using invariants in 2340 ms returned [546, 547, 548, 549, 550, 551, 552, 553, 554, 555, 556, 557, 558, 559, 560]
Discarding 15 places :
Implicit Place search using SMT only with invariants took 2405 ms to find 15 implicit places.
Starting structural reductions in DEADLOCK mode, iteration 1 : 591/606 places, 4771/4771 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Performed 15 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 15 Pre rules applied. Total rules applied 0 place count 591 transition count 4756
Deduced a syphon composed of 15 places in 2 ms
Reduce places removed 15 places and 0 transitions.
Iterating global reduction 0 with 30 rules applied. Total rules applied 30 place count 576 transition count 4756
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 30 rules in 1409 ms. Remains 576 /591 variables (removed 15) and now considering 4756/4771 (removed 15) transitions.
[2023-03-17 18:35:30] [INFO ] Flow matrix only has 1397 transitions (discarded 3359 similar events)
// Phase 1: matrix 1397 rows 576 cols
[2023-03-17 18:35:30] [INFO ] Computed 50 place invariants in 50 ms
[2023-03-17 18:35:32] [INFO ] Implicit Places using invariants in 1647 ms returned []
[2023-03-17 18:35:32] [INFO ] Flow matrix only has 1397 transitions (discarded 3359 similar events)
[2023-03-17 18:35:32] [INFO ] Invariant cache hit.
[2023-03-17 18:35:32] [INFO ] State equation strengthened by 241 read => feed constraints.
[2023-03-17 18:35:37] [INFO ] Implicit Places using invariants and state equation in 5478 ms returned []
Implicit Place search using SMT with State Equation took 7141 ms to find 0 implicit places.
Starting structural reductions in DEADLOCK mode, iteration 2 : 576/606 places, 4756/4771 transitions.
Finished structural reductions in DEADLOCK mode , in 2 iterations and 12320 ms. Remains : 576/606 places, 4756/4771 transitions.
Random walk for 1250000 steps, including 0 resets, run took 24171 ms (no deadlock found). (steps per millisecond=51 )
Random directed walk for 1250003 steps, including 0 resets, run took 16389 ms (no deadlock found). (steps per millisecond=76 )
[2023-03-17 18:36:18] [INFO ] Flow matrix only has 1397 transitions (discarded 3359 similar events)
[2023-03-17 18:36:18] [INFO ] Invariant cache hit.
[2023-03-17 18:36:19] [INFO ] [Real]Absence check using 19 positive place invariants in 29 ms returned sat
[2023-03-17 18:36:20] [INFO ] [Real]Absence check using 19 positive and 31 generalized place invariants in 676 ms returned sat
[2023-03-17 18:36:20] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-17 18:36:21] [INFO ] [Real]Absence check using state equation in 1649 ms returned sat
[2023-03-17 18:36:21] [INFO ] Solution in real domain found non-integer solution.
[2023-03-17 18:36:22] [INFO ] [Nat]Absence check using 19 positive place invariants in 22 ms returned sat
[2023-03-17 18:36:23] [INFO ] [Nat]Absence check using 19 positive and 31 generalized place invariants in 193 ms returned sat
[2023-03-17 18:36:23] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-17 18:36:24] [INFO ] [Nat]Absence check using state equation in 1222 ms returned sat
[2023-03-17 18:36:24] [INFO ] State equation strengthened by 241 read => feed constraints.
[2023-03-17 18:36:27] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-17 18:36:28] [INFO ] [Nat]Added 241 Read/Feed constraints in 4195 ms returned sat
[2023-03-17 18:36:29] [INFO ] Deduced a trap composed of 74 places in 365 ms of which 7 ms to minimize.
[2023-03-17 18:36:30] [INFO ] Deduced a trap composed of 61 places in 293 ms of which 2 ms to minimize.
[2023-03-17 18:36:31] [INFO ] Deduced a trap composed of 74 places in 277 ms of which 4 ms to minimize.
[2023-03-17 18:36:31] [INFO ] Deduced a trap composed of 61 places in 275 ms of which 2 ms to minimize.
[2023-03-17 18:36:32] [INFO ] Deduced a trap composed of 74 places in 726 ms of which 2 ms to minimize.
[2023-03-17 18:36:32] [INFO ] Deduced a trap composed of 61 places in 305 ms of which 1 ms to minimize.
[2023-03-17 18:36:34] [INFO ] Trap strengthening (SAT) tested/added 7/6 trap constraints in 5409 ms
[2023-03-17 18:36:34] [INFO ] Computed and/alt/rep : 30/45/30 causal constraints (skipped 1352 transitions) in 348 ms.
[2023-03-17 18:36:34] [INFO ] Added : 0 causal constraints over 0 iterations in 534 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 29 ms.
Parikh directed walk for 20700 steps, including 1000 resets, run took 532 ms. (steps per millisecond=38 )
Random directed walk for 500012 steps, including 0 resets, run took 6393 ms (no deadlock found). (steps per millisecond=78 )
Random walk for 500000 steps, including 0 resets, run took 9665 ms (no deadlock found). (steps per millisecond=51 )
Random directed walk for 500000 steps, including 0 resets, run took 6523 ms (no deadlock found). (steps per millisecond=76 )
Random walk for 500000 steps, including 0 resets, run took 9326 ms (no deadlock found). (steps per millisecond=53 )
Starting structural reductions in DEADLOCK mode, iteration 0 : 576/576 places, 4756/4756 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 0 rules in 1215 ms. Remains 576 /576 variables (removed 0) and now considering 4756/4756 (removed 0) transitions.
[2023-03-17 18:37:08] [INFO ] Flow matrix only has 1397 transitions (discarded 3359 similar events)
[2023-03-17 18:37:08] [INFO ] Invariant cache hit.
[2023-03-17 18:37:10] [INFO ] Implicit Places using invariants in 1895 ms returned []
[2023-03-17 18:37:10] [INFO ] Flow matrix only has 1397 transitions (discarded 3359 similar events)
[2023-03-17 18:37:10] [INFO ] Invariant cache hit.
[2023-03-17 18:37:11] [INFO ] State equation strengthened by 241 read => feed constraints.
[2023-03-17 18:37:18] [INFO ] Implicit Places using invariants and state equation in 7921 ms returned []
Implicit Place search using SMT with State Equation took 9828 ms to find 0 implicit places.
[2023-03-17 18:37:18] [INFO ] Redundant transitions in 801 ms returned []
[2023-03-17 18:37:18] [INFO ] Flow matrix only has 1397 transitions (discarded 3359 similar events)
[2023-03-17 18:37:18] [INFO ] Invariant cache hit.
[2023-03-17 18:37:25] [INFO ] Dead Transitions using invariants and state equation in 6071 ms found 225 transitions.
Found 225 dead transitions using SMT.
Drop transitions removed 225 transitions
Dead transitions reduction (with SMT) removed 225 transitions
Starting structural reductions in DEADLOCK mode, iteration 1 : 576/576 places, 4531/4756 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 0 rules in 1190 ms. Remains 576 /576 variables (removed 0) and now considering 4531/4531 (removed 0) transitions.
[2023-03-17 18:37:26] [INFO ] Redundant transitions in 670 ms returned []
Finished structural reductions in DEADLOCK mode , in 2 iterations and 19804 ms. Remains : 576/576 places, 4531/4756 transitions.
Random walk for 1250000 steps, including 0 resets, run took 23361 ms (no deadlock found). (steps per millisecond=53 )
Random directed walk for 1250011 steps, including 0 resets, run took 15123 ms (no deadlock found). (steps per millisecond=82 )
[2023-03-17 18:38:05] [INFO ] Flow matrix only has 1397 transitions (discarded 3134 similar events)
// Phase 1: matrix 1397 rows 576 cols
[2023-03-17 18:38:05] [INFO ] Computed 50 place invariants in 21 ms
[2023-03-17 18:38:06] [INFO ] [Real]Absence check using 19 positive place invariants in 26 ms returned sat
[2023-03-17 18:38:07] [INFO ] [Real]Absence check using 19 positive and 31 generalized place invariants in 1031 ms returned sat
[2023-03-17 18:38:07] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-17 18:38:10] [INFO ] [Real]Absence check using state equation in 2528 ms returned sat
[2023-03-17 18:38:10] [INFO ] Solution in real domain found non-integer solution.
[2023-03-17 18:38:11] [INFO ] [Nat]Absence check using 19 positive place invariants in 26 ms returned sat
[2023-03-17 18:38:11] [INFO ] [Nat]Absence check using 19 positive and 31 generalized place invariants in 274 ms returned sat
[2023-03-17 18:38:11] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-17 18:38:14] [INFO ] [Nat]Absence check using state equation in 2222 ms returned sat
[2023-03-17 18:38:14] [INFO ] State equation strengthened by 241 read => feed constraints.
[2023-03-17 18:38:15] [INFO ] [Nat]Added 241 Read/Feed constraints in 947 ms returned sat
[2023-03-17 18:38:15] [INFO ] Deduced a trap composed of 74 places in 407 ms of which 2 ms to minimize.
[2023-03-17 18:38:16] [INFO ] Deduced a trap composed of 61 places in 377 ms of which 1 ms to minimize.
[2023-03-17 18:38:17] [INFO ] Deduced a trap composed of 61 places in 274 ms of which 1 ms to minimize.
[2023-03-17 18:38:18] [INFO ] Deduced a trap composed of 74 places in 350 ms of which 2 ms to minimize.
[2023-03-17 18:38:22] [INFO ] Deduced a trap composed of 61 places in 316 ms of which 1 ms to minimize.
[2023-03-17 18:38:22] [INFO ] Trap strengthening (SAT) tested/added 6/5 trap constraints in 7390 ms
[2023-03-17 18:38:22] [INFO ] Computed and/alt/rep : 30/45/30 causal constraints (skipped 1352 transitions) in 276 ms.
[2023-03-17 18:38:23] [INFO ] Added : 1 causal constraints over 1 iterations in 520 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 15 ms.
Parikh directed walk for 29100 steps, including 1000 resets, run took 601 ms. (steps per millisecond=48 )
Random directed walk for 500000 steps, including 0 resets, run took 6273 ms (no deadlock found). (steps per millisecond=79 )
Random walk for 500000 steps, including 0 resets, run took 9110 ms (no deadlock found). (steps per millisecond=54 )
Random directed walk for 500003 steps, including 0 resets, run took 6460 ms (no deadlock found). (steps per millisecond=77 )
Random walk for 500000 steps, including 0 resets, run took 9098 ms (no deadlock found). (steps per millisecond=54 )
[2023-03-17 18:38:55] [INFO ] Flatten gal took : 755 ms
[2023-03-17 18:38:55] [INFO ] Export to MCC of 1 properties in file /home/mcc/execution/ReachabilityDeadlock.sr.xml took 1 ms.
[2023-03-17 18:38:56] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 606 places, 4771 transitions and 34129 arcs took 45 ms.
Total runtime 213220 ms.
There are residual formulas that ITS could not solve within timeout
TIME LIMIT: Killed by timeout after 1800 seconds
MemTotal: 16393216 kB
MemFree: 15548912 kB
After kill :
MemTotal: 16393216 kB
MemFree: 16098956 kB

BK_TIME_CONFINEMENT_REACHED

--------------------
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_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination ReachabilityDeadlock -timeout 180 -rebuildPNML
mcc2023

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="SafeBus-PT-15"
export BK_EXAMINATION="ReachabilityDeadlock"
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 2-5348"
echo " Executing tool ltsminxred"
echo " Input is SafeBus-PT-15, examination is ReachabilityDeadlock"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r375-smll-167891826400176"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/SafeBus-PT-15.tgz
mv SafeBus-PT-15 execution
cd execution
if [ "ReachabilityDeadlock" = "ReachabilityDeadlock" ] || [ "ReachabilityDeadlock" = "UpperBounds" ] || [ "ReachabilityDeadlock" = "QuasiLiveness" ] || [ "ReachabilityDeadlock" = "StableMarking" ] || [ "ReachabilityDeadlock" = "Liveness" ] || [ "ReachabilityDeadlock" = "OneSafe" ] || [ "ReachabilityDeadlock" = "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 [ "ReachabilityDeadlock" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityDeadlock" != "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 "ReachabilityDeadlock.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property ReachabilityDeadlock.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "ReachabilityDeadlock.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 '' ReachabilityDeadlock.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityDeadlock" = "ReachabilityDeadlock" ] || [ "ReachabilityDeadlock" = "QuasiLiveness" ] || [ "ReachabilityDeadlock" = "StableMarking" ] || [ "ReachabilityDeadlock" = "Liveness" ] || [ "ReachabilityDeadlock" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityDeadlock"
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 ;