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.r085-smll-167814406600124.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 lolaxred
Input is CircularTrains-PT-768, examination is Liveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r085-smll-167814406600124
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 992K
-rw-r--r-- 1 mcc users 7.7K Feb 26 04:31 CTLCardinality.txt
-rw-r--r-- 1 mcc users 77K Feb 26 04:31 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.0K Feb 26 04:30 CTLFireability.txt
-rw-r--r-- 1 mcc users 47K Feb 26 04:30 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.6K Feb 25 15:43 LTLCardinality.txt
-rw-r--r-- 1 mcc users 23K Feb 25 15:43 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.8K Feb 25 15:43 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Feb 25 15:43 LTLFireability.xml
-rw-r--r-- 1 mcc users 7.6K Feb 26 04:34 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 66K Feb 26 04:34 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K Feb 26 04:33 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 88K Feb 26 04:33 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Feb 25 15:43 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Feb 25 15:43 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 591K 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 Liveness

=== Now, execution of the tool begins

BK_START 1678229028298

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=lolaxred
BK_EXAMINATION=Liveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=CircularTrains-PT-768
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-07 22:43:51] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, Liveness, -timeout, 180, -rebuildPNML]
[2023-03-07 22:43:51] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-07 22:43:51] [INFO ] Load time of PNML (sax parser for PT used): 177 ms
[2023-03-07 22:43:51] [INFO ] Transformed 1536 places.
[2023-03-07 22:43:51] [INFO ] Transformed 768 transitions.
[2023-03-07 22:43:51] [INFO ] Parsed PT model containing 1536 places and 768 transitions and 3072 arcs in 287 ms.
Built sparse matrix representations for Structural reductions in 12 ms.28454KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 1536/1536 places, 768/768 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 90 ms. Remains 1536 /1536 variables (removed 0) and now considering 768/768 (removed 0) transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 91 ms. Remains : 1536/1536 places, 768/768 transitions.
Starting structural reductions in DEADLOCK mode, iteration 0 : 1536/1536 places, 768/768 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 48 ms. Remains 1536 /1536 variables (removed 0) and now considering 768/768 (removed 0) transitions.
// Phase 1: matrix 768 rows 1536 cols
[2023-03-07 22:43:52] [INFO ] Computed 769 place invariants in 164 ms
[2023-03-07 22:43:53] [INFO ] Implicit Places using invariants in 926 ms returned []
[2023-03-07 22:43:53] [INFO ] Invariant cache hit.
[2023-03-07 22:43:55] [INFO ] Implicit Places using invariants and state equation in 1910 ms returned []
Implicit Place search using SMT with State Equation took 2880 ms to find 0 implicit places.
[2023-03-07 22:43:55] [INFO ] Redundant transitions in 71 ms returned []
[2023-03-07 22:43:55] [INFO ] Invariant cache hit.
[2023-03-07 22:43:57] [INFO ] Dead Transitions using invariants and state equation in 1825 ms found 0 transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 4835 ms. Remains : 1536/1536 places, 768/768 transitions.
Interrupted Random walk after 735870 steps, including 0 resets, run timeout after 30001 ms. (steps per millisecond=24 )
Interrupted Random directed walk after 976512 steps, including 0 resets, run timeout after 30002 ms. (steps per millisecond=32 )
[2023-03-07 22:44:57] [INFO ] Invariant cache hit.
[2023-03-07 22:44:58] [INFO ] [Real]Absence check using 397 positive place invariants in 679 ms returned sat
[2023-03-07 22:45:00] [INFO ] [Real]Absence check using 397 positive and 372 generalized place invariants in 2245 ms returned unsat
Starting structural reductions in LIVENESS mode, iteration 0 : 1536/1536 places, 768/768 transitions.
Applied a total of 0 rules in 29 ms. Remains 1536 /1536 variables (removed 0) and now considering 768/768 (removed 0) transitions.
[2023-03-07 22:45:00] [INFO ] Invariant cache hit.
[2023-03-07 22:45:03] [INFO ] Implicit Places using invariants in 2940 ms returned [3, 14, 18, 29, 35, 45, 47, 59, 75, 79, 81, 83, 85, 90, 94, 96, 102, 106, 110, 111, 125, 128, 138, 144, 149, 150, 152, 155, 158, 163, 173, 180, 187, 193, 196, 197, 198, 224, 228, 243, 244, 247, 248, 250, 255, 259, 273, 276, 296, 304, 312, 318, 325, 330, 333, 339, 350, 353, 355, 361, 368, 380, 381, 389, 402, 409, 414, 419, 420, 421, 438, 451, 453, 463, 464, 471, 473, 480, 499, 509, 516, 519, 530, 531, 533, 535, 544, 549, 557, 558, 561, 577, 578, 580, 600, 606, 612, 622, 630, 633, 656, 658, 661, 662, 665, 666, 669, 671, 677, 679, 681, 688, 689, 693, 694, 696, 697, 699, 705, 709, 711, 715, 716, 725, 732, 750, 761, 767, 770, 776, 780, 793, 804, 807, 810, 811, 817, 820, 839, 843, 846, 856, 872, 874, 883, 884, 885, 887, 905, 929, 934, 940, 942, 943, 948, 952, 953, 970, 973, 975, 977, 991, 997, 1005, 1009, 1013, 1017, 1018, 1019, 1020, 1042, 1046, 1059, 1071, 1072, 1073, 1078, 1079, 1087, 1088, 1094, 1096, 1101, 1121, 1128, 1131, 1147, 1150, 1153, 1157, 1160, 1162, 1163, 1168, 1178, 1182, 1185, 1198, 1204, 1209, 1211, 1216, 1228, 1229, 1244, 1247, 1252, 1261, 1262, 1266, 1273, 1292, 1299, 1300, 1301, 1305, 1306, 1329, 1335, 1337, 1338, 1339, 1350, 1354, 1356, 1360, 1362, 1373, 1378, 1379, 1385, 1391, 1409, 1430, 1438, 1446, 1450, 1453, 1461, 1472, 1476, 1484, 1485, 1487, 1488, 1493, 1495, 1497, 1507, 1512, 1513, 1515, 1517, 1525, 1527, 1531]
Discarding 256 places :
Implicit Place search using SMT only with invariants took 2955 ms to find 256 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 1280/1536 places, 768/768 transitions.
Drop transitions removed 256 transitions
Trivial Post-agglo rules discarded 256 transitions
Performed 256 trivial Post agglomeration. Transition count delta: 256
Iterating post reduction 0 with 256 rules applied. Total rules applied 256 place count 1280 transition count 512
Reduce places removed 256 places and 0 transitions.
Iterating post reduction 1 with 256 rules applied. Total rules applied 512 place count 1024 transition count 512
Applied a total of 512 rules in 47 ms. Remains 1024 /1280 variables (removed 256) and now considering 512/768 (removed 256) transitions.
// Phase 1: matrix 512 rows 1024 cols
[2023-03-07 22:45:03] [INFO ] Computed 513 place invariants in 72 ms
[2023-03-07 22:45:05] [INFO ] Implicit Places using invariants in 1901 ms returned []
[2023-03-07 22:45:05] [INFO ] Invariant cache hit.
[2023-03-07 22:45:08] [INFO ] Implicit Places using invariants and state equation in 2511 ms returned []
Implicit Place search using SMT with State Equation took 4429 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 1024/1536 places, 512/768 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 7461 ms. Remains : 1024/1536 places, 512/768 transitions.
Initial state reduction rules removed 256 formulas.
Finished random walk after 988 steps, including 0 resets, run visited all 256 properties in 236 ms. (steps per millisecond=4 )
Able to resolve query QuasiLiveness after proving 512 properties.
Starting structural reductions in LIVENESS mode, iteration 0 : 1536/1536 places, 768/768 transitions.
Applied a total of 0 rules in 27 ms. Remains 1536 /1536 variables (removed 0) and now considering 768/768 (removed 0) transitions.
// Phase 1: matrix 768 rows 1536 cols
[2023-03-07 22:45:08] [INFO ] Computed 769 place invariants in 35 ms
[2023-03-07 22:45:11] [INFO ] Implicit Places using invariants in 2697 ms returned [3, 14, 18, 29, 35, 45, 47, 59, 75, 79, 81, 83, 85, 90, 94, 96, 102, 106, 110, 111, 125, 128, 138, 144, 149, 150, 152, 155, 158, 163, 173, 180, 187, 193, 196, 197, 198, 224, 228, 243, 244, 247, 248, 250, 255, 259, 273, 276, 296, 304, 312, 318, 325, 330, 333, 339, 350, 353, 355, 361, 368, 380, 381, 389, 402, 409, 414, 419, 420, 421, 438, 451, 453, 463, 464, 471, 473, 480, 499, 509, 516, 519, 530, 531, 533, 535, 544, 549, 557, 558, 561, 577, 578, 580, 600, 606, 612, 622, 630, 633, 656, 658, 661, 662, 665, 666, 669, 671, 677, 679, 681, 688, 689, 693, 694, 696, 697, 699, 705, 709, 711, 715, 716, 725, 732, 750, 761, 767, 770, 776, 780, 793, 804, 807, 810, 811, 817, 820, 839, 843, 846, 856, 872, 874, 883, 884, 885, 887, 905, 929, 934, 940, 942, 943, 948, 952, 953, 970, 973, 975, 977, 991, 997, 1005, 1009, 1013, 1017, 1018, 1019, 1020, 1042, 1046, 1059, 1071, 1072, 1073, 1078, 1079, 1087, 1088, 1094, 1096, 1101, 1121, 1128, 1131, 1147, 1150, 1153, 1157, 1160, 1162, 1163, 1168, 1178, 1182, 1185, 1198, 1204, 1209, 1211, 1216, 1228, 1229, 1244, 1247, 1252, 1261, 1262, 1266, 1273, 1292, 1299, 1300, 1301, 1305, 1306, 1329, 1335, 1337, 1338, 1339, 1350, 1354, 1356, 1360, 1362, 1373, 1378, 1379, 1385, 1391, 1409, 1430, 1438, 1446, 1450, 1453, 1461, 1472, 1476, 1484, 1485, 1487, 1488, 1493, 1495, 1497, 1507, 1512, 1513, 1515, 1517, 1525, 1527, 1531]
Discarding 256 places :
Implicit Place search using SMT only with invariants took 2712 ms to find 256 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 1280/1536 places, 768/768 transitions.
Drop transitions removed 256 transitions
Trivial Post-agglo rules discarded 256 transitions
Performed 256 trivial Post agglomeration. Transition count delta: 256
Iterating post reduction 0 with 256 rules applied. Total rules applied 256 place count 1280 transition count 512
Reduce places removed 256 places and 0 transitions.
Iterating post reduction 1 with 256 rules applied. Total rules applied 512 place count 1024 transition count 512
Applied a total of 512 rules in 38 ms. Remains 1024 /1280 variables (removed 256) and now considering 512/768 (removed 256) transitions.
// Phase 1: matrix 512 rows 1024 cols
[2023-03-07 22:45:11] [INFO ] Computed 513 place invariants in 9 ms
[2023-03-07 22:45:13] [INFO ] Implicit Places using invariants in 1914 ms returned []
[2023-03-07 22:45:13] [INFO ] Invariant cache hit.
[2023-03-07 22:45:15] [INFO ] Implicit Places using invariants and state equation in 2038 ms returned []
Implicit Place search using SMT with State Equation took 3956 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 1024/1536 places, 512/768 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 6735 ms. Remains : 1024/1536 places, 512/768 transitions.
Unable to solve all queries for examination Liveness. Remains :512 assertions to prove.
No /home/mcc/execution/Liveness.xml examination file found. Proceeding without properties.
Parsed 512 properties from file /home/mcc/execution/Liveness.xml in 1 ms.
Working with output stream class java.io.PrintStream
Total runtime 83532 ms.
starting LoLA
BK_INPUT CircularTrains-PT-768
BK_EXAMINATION: Liveness
bin directory: /home/mcc/BenchKit/bin//../reducer/bin//../../lola/bin/
current directory: /home/mcc/execution
GlobalProperty: Liveness

FORMULA Liveness TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

BK_STOP 1678229117234

--------------------
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 Liveness -timeout 180 -rebuildPNML
lola: MEM LIMIT 32
lola: MEM LIMIT 5
lola: NET
lola: input: PNML file (--pnmlnet)
lola: reading net from /home/mcc/execution/model.pnml
lola: reading pnml
lola: PNML file contains place/transition net
lola: finished parsing
lola: closed net file /home/mcc/execution/model.pnml
lola: LAUNCH SYMM
lola: The net is live

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="CircularTrains-PT-768"
export BK_EXAMINATION="Liveness"
export BK_TOOL="lolaxred"
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 lolaxred"
echo " Input is CircularTrains-PT-768, examination is Liveness"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r085-smll-167814406600124"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CircularTrains-PT-768.tgz
mv CircularTrains-PT-768 execution
cd execution
if [ "Liveness" = "ReachabilityDeadlock" ] || [ "Liveness" = "UpperBounds" ] || [ "Liveness" = "QuasiLiveness" ] || [ "Liveness" = "StableMarking" ] || [ "Liveness" = "Liveness" ] || [ "Liveness" = "OneSafe" ] || [ "Liveness" = "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 [ "Liveness" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "Liveness" != "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 "Liveness.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property Liveness.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "Liveness.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 '' Liveness.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "Liveness" = "ReachabilityDeadlock" ] || [ "Liveness" = "QuasiLiveness" ] || [ "Liveness" = "StableMarking" ] || [ "Liveness" = "Liveness" ] || [ "Liveness" = "OneSafe" ] ; then
echo "FORMULA_NAME Liveness"
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 ;