Trace number 458376

Some explanations

A solver is run under the control of another program named runsolver. runsolver is in charge of imposing the CPU time limit and the memory limit to the solver. It also monitors some information about the process. The trace of the execution of a solver is divided into four (or five) parts:
  1. SOLVER DATA
    This is the output of the solver (stdout and stderr).
    Note that some very long lines in this section may be truncated by your web browser ! In such a case, you may want to use the "Download as text" link to get the trace as a text file.

    When the --timestamp option is passed to the runsolver program, each line output by the solver is prepended with a timestamp which indicates at what time the line was output by the solver. Times are relative to the start of the program, given in seconds, and are wall clock time (not CPU time).

    As some 'v lines' may be very long (sometimes several megabytes), the 'v line' output by your solver may be split on several lines to help limit the size of the trace recorded in the database. In any case, the exact output of your solver is preserved in a trace file.
  2. VERIFIER DATA
    The output of the solver is piped to a verifier program which will search a value line "v " and, if found, will check that the given interpretation satisfies all constraints.
  3. CONVERSION SCRIPT DATA (Optionnal)
    When a conversion script is used, this section shows the messages that were output by the conversion script.
  4. WATCHER DATA
    This is the informations gathered by the runsolver program. It first prints the different limits. There's a first limit on CPU time set to X seconds (see the parameters in the trace). After this time has ellapsed, runsolver sends a SIGTERM and 2 seconds later a SIGKILL to the solver. For safety, there's also another limit set to X+30 seconds which will send a SIGXPU to the solver. The last limit is on the virtual memory used by the process (see the parameters in the trace).
    Every ten seconds, the runsolver process fetches the content of /proc/loadavg, /proc/pid/stat and /proc/pid/statm (see man proc) and prints it as raw data. This is only recorded in case we need to investigate the behaviour of a solver. The memory used by the solver (vsize) is also given every ten seconds.
    When the solver exits, runsolver prints some informations such as status and time. CPU usage is the ratio CPU Time/Real Time.
  5. LAUNCHER DATA
    These informations are related to the script which will launch the solver. The most important informations are the command line given to the solver, the md5sum of the different files and the dump of the /proc/cpuinfo and /proc/meminfo which provides some useful information on the computer.

Solver answer on this benchmark

Solver NameAnswerCPU timeWall clock time
PBS4_v2 2007-03-23UNSAT 9.26559 9.26977

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/web/
uclid_pb_benchmarks/normalized-cache.inv12.ucl.opb
MD5SUMbdfd22b57887b70e5df6236004ca174a
Bench CategorySATUNSAT-SMALLINT-LIN (no optimisation, small integers, linear constraints)
Best result obtained on this benchmarkUNSAT
Best value of the objective obtained on this benchmark
Best CPU time to get the best result obtained on this benchmark9.23859
Has Objective FunctionNO
SatisfiableNO
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved
Number of variables25800
Total number of constraints76699
Number of constraints which are clauses76319
Number of constraints which are cardinality constraints (but not clauses)0
Number of constraints which are nor clauses,nor cardinality constraints380
Minimum length of a constraint1
Maximum length of a constraint9
Number of terms in the objective function 0
Biggest coefficient in the objective function 0
Number of bits for the biggest coefficient in the objective function 0
Sum of the numbers in the objective function 0
Number of bits of the sum of numbers in the objective function 0
Biggest number in a constraint 17
Number of bits of the biggest number in a constraint 5
Biggest sum of numbers in a constraint 62
Number of bits of the biggest sum of numbers6
Number of products (including duplicates)0
Sum of products size (including duplicates)0
Number of different products0
Sum of products size0

Solver Data (download as text)

0.00/0.00	c PBS v4 by Bashar Al-Rawi & Fadi Aloul
0.00/0.00	c Solving /tmp/evaluation/458376-1178622210/instance-458376-1178622210.opb ......
9.18/9.26	c done parsing opb.
9.18/9.26	s UNSATISFIABLE
9.18/9.26	c Total Run Time					8.41572

Verifier Data (download as text)

ERROR: no interpretation found !

Conversion Script Data (download as text)

/tmp/evaluation/458376-1178622210/instance-458376-1178622210.opb is already a linear file

Watcher Data (download as text)

runsolver version 3.2.3 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node26/watcher-458376-1178622210 -o ROOT/results/node26/solver-458376-1178622210 -C 1800 -W 3600 -M 1800 --output-limit 1,15 PBS4_SAT07v2 /tmp/evaluation/458376-1178622210/instance-458376-1178622210.opb 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 1800 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 1830 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 3600 seconds
Enforcing VSIZE limit (soft limit, will send SIGTERM then SIGKILL): 1843200 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 1894400 KiB
Solver output will be limited to a maximum of 15728640 bytes. The first 1048576 bytes and the last 14680064 bytes will be preserved
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 0.86 0.98 0.99 3/77 30029
/proc/meminfo: memFree=1527184/2055920 swapFree=4170140/4192956
[pid=30029] ppid=30027 vsize=3744 CPUtime=0
/proc/30029/stat : 30029 (PBS4_SAT07v2) R 30027 30029 29220 0 -1 4194304 495 0 0 0 0 0 0 0 18 0 1 0 310137828 3833856 477 18446744073709551615 134512640 135410602 4294956672 18446744073709551615 134570893 0 0 4096 16384 0 0 0 17 1 0 0
/proc/30029/statm: 936 481 79 219 0 713 0

[startup+0.044848 s]
/proc/loadavg: 0.86 0.98 0.99 3/77 30029
/proc/meminfo: memFree=1527184/2055920 swapFree=4170140/4192956
[pid=30029] ppid=30027 vsize=5200 CPUtime=0.03
/proc/30029/stat : 30029 (PBS4_SAT07v2) R 30027 30029 29220 0 -1 4194304 1068 0 0 0 3 0 0 0 18 0 1 0 310137828 5324800 1050 18446744073709551615 134512640 135410602 4294956672 18446744073709551615 134594546 0 0 4096 16384 0 0 0 17 1 0 0
/proc/30029/statm: 1300 1055 86 219 0 1077 0
Current children cumulated CPU time (s) 0.03
Current children cumulated vsize (KiB) 5200

[startup+0.101852 s]
/proc/loadavg: 0.86 0.98 0.99 3/77 30029
/proc/meminfo: memFree=1527184/2055920 swapFree=4170140/4192956
[pid=30029] ppid=30027 vsize=5648 CPUtime=0.09
/proc/30029/stat : 30029 (PBS4_SAT07v2) R 30027 30029 29220 0 -1 4194304 1213 0 0 0 9 0 0 0 18 0 1 0 310137828 5783552 1146 18446744073709551615 134512640 135410602 4294956672 18446744073709551615 135063209 0 0 4096 16384 0 0 0 17 1 0 0
/proc/30029/statm: 1412 1146 86 219 0 1189 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 5648

[startup+0.30187 s]
/proc/loadavg: 0.86 0.98 0.99 3/77 30029
/proc/meminfo: memFree=1527184/2055920 swapFree=4170140/4192956
[pid=30029] ppid=30027 vsize=7104 CPUtime=0.29
/proc/30029/stat : 30029 (PBS4_SAT07v2) R 30027 30029 29220 0 -1 4194304 1670 0 0 0 29 0 0 0 19 0 1 0 310137828 7274496 1506 18446744073709551615 134512640 135410602 4294956672 18446744073709551615 134588758 0 0 4096 16384 0 0 0 17 1 0 0
/proc/30029/statm: 1776 1506 86 219 0 1553 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 7104

[startup+0.701908 s]
/proc/loadavg: 0.86 0.98 0.99 3/77 30029
/proc/meminfo: memFree=1527184/2055920 swapFree=4170140/4192956
[pid=30029] ppid=30027 vsize=9740 CPUtime=0.69
/proc/30029/stat : 30029 (PBS4_SAT07v2) R 30027 30029 29220 0 -1 4194304 2541 0 0 0 68 1 0 0 23 0 1 0 310137828 9973760 2184 18446744073709551615 134512640 135410602 4294956672 18446744073709551615 134588758 0 0 4096 16384 0 0 0 17 1 0 0
/proc/30029/statm: 2435 2184 86 219 0 2212 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 9740

[startup+1.50298 s]
/proc/loadavg: 0.86 0.98 0.99 2/78 30030
/proc/meminfo: memFree=1517128/2055920 swapFree=4170140/4192956
[pid=30029] ppid=30027 vsize=14644 CPUtime=1.49
/proc/30029/stat : 30029 (PBS4_SAT07v2) R 30027 30029 29220 0 -1 4194304 3515 0 0 0 147 2 0 0 25 0 1 0 310137828 14995456 2722 18446744073709551615 134512640 135410602 4294956672 18446744073709551615 134561592 0 0 4096 16384 0 0 0 17 1 0 0
/proc/30029/statm: 3661 2722 90 219 0 3438 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 14644

[startup+3.10113 s]
/proc/loadavg: 0.86 0.98 0.99 2/78 30030
/proc/meminfo: memFree=1515656/2055920 swapFree=4170140/4192956
[pid=30029] ppid=30027 vsize=16180 CPUtime=3.09
/proc/30029/stat : 30029 (PBS4_SAT07v2) R 30027 30029 29220 0 -1 4194304 3907 0 0 0 306 3 0 0 25 0 1 0 310137828 16568320 3114 18446744073709551615 134512640 135410602 4294956672 18446744073709551615 135059409 0 0 4096 16384 0 0 0 17 1 0 0
/proc/30029/statm: 4045 3114 90 219 0 3822 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 16180

[startup+6.30143 s]
/proc/loadavg: 0.87 0.98 0.99 2/78 30030
/proc/meminfo: memFree=1512712/2055920 swapFree=4170140/4192956
[pid=30029] ppid=30027 vsize=19312 CPUtime=6.29
/proc/30029/stat : 30029 (PBS4_SAT07v2) R 30027 30029 29220 0 -1 4194304 4651 0 0 0 625 4 0 0 25 0 1 0 310137828 19775488 3807 18446744073709551615 134512640 135410602 4294956672 18446744073709551615 134545116 0 0 4096 16384 0 0 0 17 1 0 0
/proc/30029/statm: 4828 3807 90 219 0 4605 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 19312

Solver just ended. Dumping a history of the last processes samples

[startup+7.90158 s]
/proc/loadavg: 0.87 0.98 0.99 2/78 30030
/proc/meminfo: memFree=1511624/2055920 swapFree=4170140/4192956
[pid=30029] ppid=30027 vsize=19796 CPUtime=7.88
/proc/30029/stat : 30029 (PBS4_SAT07v2) R 30027 30029 29220 0 -1 4194304 4793 0 0 0 784 4 0 0 25 0 1 0 310137828 20271104 3949 18446744073709551615 134512640 135410602 4294956672 18446744073709551615 135059409 0 0 4096 16384 0 0 0 17 1 0 0
/proc/30029/statm: 4949 3949 90 219 0 4726 0
Current children cumulated CPU time (s) 7.88
Current children cumulated vsize (KiB) 19796

[startup+8.70165 s]
/proc/loadavg: 0.88 0.98 0.99 2/78 30030
/proc/meminfo: memFree=1511304/2055920 swapFree=4170140/4192956
[pid=30029] ppid=30027 vsize=19796 CPUtime=8.69
/proc/30029/stat : 30029 (PBS4_SAT07v2) R 30027 30029 29220 0 -1 4194304 4851 0 0 0 865 4 0 0 25 0 1 0 310137828 20271104 4007 18446744073709551615 134512640 135410602 4294956672 18446744073709551615 134555608 0 0 4096 16384 0 0 0 17 1 0 0
/proc/30029/statm: 4949 4007 90 219 0 4726 0
Current children cumulated CPU time (s) 8.69
Current children cumulated vsize (KiB) 19796

[startup+9.10169 s]
/proc/loadavg: 0.88 0.98 0.99 2/78 30030
/proc/meminfo: memFree=1511304/2055920 swapFree=4170140/4192956
[pid=30029] ppid=30027 vsize=19796 CPUtime=9.08
/proc/30029/stat : 30029 (PBS4_SAT07v2) R 30027 30029 29220 0 -1 4194304 4871 0 0 0 904 4 0 0 25 0 1 0 310137828 20271104 4027 18446744073709551615 134512640 135410602 4294956672 18446744073709551615 135059409 0 0 4096 16384 0 0 0 17 1 0 0
/proc/30029/statm: 4949 4027 90 219 0 4726 0
Current children cumulated CPU time (s) 9.08
Current children cumulated vsize (KiB) 19796

[startup+9.2017 s]
/proc/loadavg: 0.88 0.98 0.99 2/78 30030
/proc/meminfo: memFree=1511304/2055920 swapFree=4170140/4192956
[pid=30029] ppid=30027 vsize=19796 CPUtime=9.18
/proc/30029/stat : 30029 (PBS4_SAT07v2) R 30027 30029 29220 0 -1 4194304 4875 0 0 0 914 4 0 0 25 0 1 0 310137828 20271104 4031 18446744073709551615 134512640 135410602 4294956672 18446744073709551615 134544967 0 0 4096 16384 0 0 0 17 1 0 0
/proc/30029/statm: 4949 4031 90 219 0 4726 0
Current children cumulated CPU time (s) 9.18
Current children cumulated vsize (KiB) 19796

Child status: 0
Real time (s): 9.26977
CPU time (s): 9.26559
CPU user time (s): 9.2126
CPU system time (s): 0.052991
CPU usage (%): 99.9549
Max. virtual memory (cumulated for all children) (KiB): 19796

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 9.2126
system time used= 0.052991
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 4933
page faults= 0
swaps= 0
block input operations= 0
block output operations= 0
messages sent= 0
messages received= 0
signals received= 0
voluntary context switches= 8
involuntary context switches= 199

runsolver used 0.008998 second user time and 0.025996 second system time

The end

Launcher Data (download as text)

Begin job on node26 on Tue May  8 11:03:30 UTC 2007

IDJOB= 458376
IDBENCH= 1453
IDSOLVER= 200
FILE ID= node26/458376-1178622210

PBS_JOBID= 5218264

Free space on /tmp= 66560 MiB

SOLVER NAME= PBS4_v2 2007-03-23
BENCH NAME= HOME/pub/bench/PB06//final/normalized-PB06/SATUNSAT-SMALLINT/web/uclid_pb_benchmarks/normalized-cache.inv12.ucl.opb
COMMAND LINE= PBS4_SAT07v2 /tmp/evaluation/458376-1178622210/instance-458376-1178622210.opb
CONVERSION COMMAND LINE= runsolver -w ROOT/results/node26/convwatcher-458376-1178622210 -o ROOT/results/node26/conversion-458376-1178622210 -C 600 -M 1800 PBconversionToLinear /tmp/evaluation/458376-1178622210/instance-458376-1178622210.opb
CONVERSION RUNSOLVER STATUS CODE= 0
CONVERSION STATUS CODE= 0

RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node26/watcher-458376-1178622210 -o ROOT/results/node26/solver-458376-1178622210 -C 1800 -W 3600 -M 1800 --output-limit 1,15  PBS4_SAT07v2 /tmp/evaluation/458376-1178622210/instance-458376-1178622210.opb

META MD5SUM SOLVER= 18cd8c68a4d3bfb01f29079966475a33
MD5SUM BENCH=  bdfd22b57887b70e5df6236004ca174a

RANDOM SEED= 432542352

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 1800 MiB

Linux node26.alineos.net 2.6.9-22.EL.rootsmp #1 SMP Mon Oct 3 08:59:52 CEST 2005 x86_64 x86_64 x86_64 GNU/Linux

/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 15
model		: 4
model name	:                   Intel(R) Xeon(TM) CPU 3.00GHz
stepping	: 3
cpu MHz		: 3000.213
cache size	: 2048 KB
fpu		: yes
fpu_exception	: yes
cpuid level	: 5
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx lm pni monitor ds_cpl cid cx16 xtpr
bogomips	: 5914.62
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:

processor	: 1
vendor_id	: GenuineIntel
cpu family	: 15
model		: 4
model name	:                   Intel(R) Xeon(TM) CPU 3.00GHz
stepping	: 3
cpu MHz		: 3000.213
cache size	: 2048 KB
fpu		: yes
fpu_exception	: yes
cpuid level	: 5
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx lm pni monitor ds_cpl cid cx16 xtpr
bogomips	: 5586.94
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2055920 kB
MemFree:       1527656 kB
Buffers:         40012 kB
Cached:         364388 kB
SwapCached:       3328 kB
Active:         199076 kB
Inactive:       231992 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1527656 kB
SwapTotal:     4192956 kB
SwapFree:      4170140 kB
Dirty:            4660 kB
Writeback:           0 kB
Mapped:          34060 kB
Slab:            82820 kB
Committed_AS:  2542244 kB
PageTables:       1724 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264952 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 66560 MiB

End job on node26 on Tue May  8 11:03:40 UTC 2007