Trace number 361316

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
minisat+ 1.14SAT 1.72374 1.72763

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB05/aloul/
FPGA_SAT05/normalized-fpga30_30_sat_pb.cnf.cr.opb
MD5SUM09dd38397cb073c3f8ce1c2b987fae03
Bench CategorySATUNSAT-SMALLINT-LIN (no optimisation, small integers, linear constraints)
Best result obtained on this benchmarkSAT
Best value of the objective obtained on this benchmark0
Best CPU time to get the best result obtained on this benchmark0.023995
Has Objective FunctionNO
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved NO
Number of variables1350
Total number of constraints990
Number of constraints which are clauses930
Number of constraints which are cardinality constraints (but not clauses)60
Number of constraints which are nor clauses,nor cardinality constraints0
Minimum length of a constraint15
Maximum length of a constraint30
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 1
Number of bits of the biggest number in a constraint 1
Biggest sum of numbers in a constraint 31
Number of bits of the biggest sum of numbers5
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 Parsing PB file...
0.09/0.16	c Converting 990 PB-constraints to clauses...
0.09/0.16	c   -- Unit propagations: (none)
0.09/0.16	c   -- Detecting intervals from adjacent constraints: (none)
0.09/0.16	c   -- Clauses(.)/Splits(s): ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
0.09/0.16	c ---[  59]---> BDD-cost:   57
0.09/0.16	c ---[  58]---> BDD-cost:   57
0.09/0.16	c ---[  57]---> BDD-cost:   57
0.09/0.16	c ---[  56]---> BDD-cost:   57
0.09/0.16	c ---[  55]---> BDD-cost:   57
0.09/0.16	c ---[  54]---> BDD-cost:   57
0.09/0.17	c ---[  53]---> BDD-cost:   57
0.09/0.17	c ---[  52]---> BDD-cost:   57
0.09/0.17	c ---[  51]---> BDD-cost:   57
0.09/0.17	c ---[  50]---> BDD-cost:   57
0.09/0.17	c ---[  49]---> BDD-cost:   57
0.09/0.17	c ---[  48]---> BDD-cost:   57
0.09/0.17	c ---[  47]---> BDD-cost:   57
0.09/0.17	c ---[  46]---> BDD-cost:   57
0.09/0.17	c ---[  45]---> BDD-cost:   57
0.09/0.17	c ---[  44]---> BDD-cost:   57
0.09/0.17	c ---[  43]---> BDD-cost:   57
0.09/0.17	c ---[  42]---> BDD-cost:   57
0.09/0.17	c ---[  41]---> BDD-cost:   57
0.09/0.17	c ---[  40]---> BDD-cost:   57
0.09/0.17	c ---[  39]---> BDD-cost:   57
0.09/0.18	c ---[  38]---> BDD-cost:   57
0.09/0.18	c ---[  37]---> BDD-cost:   57
0.09/0.18	c ---[  36]---> BDD-cost:   57
0.09/0.18	c ---[  35]---> BDD-cost:   57
0.09/0.18	c ---[  34]---> BDD-cost:   57
0.09/0.18	c ---[  33]---> BDD-cost:   57
0.09/0.18	c ---[  32]---> BDD-cost:   57
0.09/0.18	c ---[  31]---> BDD-cost:   57
0.09/0.18	c ---[  30]---> BDD-cost:   57
0.09/0.18	c ---[  29]---> BDD-cost:   27
0.09/0.18	c ---[  28]---> BDD-cost:   27
0.09/0.18	c ---[  27]---> BDD-cost:   27
0.09/0.18	c ---[  26]---> BDD-cost:   27
0.09/0.18	c ---[  25]---> BDD-cost:   27
0.09/0.18	c ---[  24]---> BDD-cost:   27
0.09/0.18	c ---[  23]---> BDD-cost:   27
0.09/0.18	c ---[  22]---> BDD-cost:   27
0.09/0.18	c ---[  21]---> BDD-cost:   27
0.09/0.18	c ---[  20]---> BDD-cost:   27
0.09/0.18	c ---[  19]---> BDD-cost:   27
0.09/0.18	c ---[  18]---> BDD-cost:   27
0.09/0.18	c ---[  17]---> BDD-cost:   27
0.09/0.18	c ---[  16]---> BDD-cost:   27
0.09/0.18	c ---[  15]---> BDD-cost:   27
0.09/0.18	c ---[  14]---> BDD-cost:   27
0.09/0.18	c ---[  13]---> BDD-cost:   27
0.09/0.18	c ---[  12]---> BDD-cost:   27
0.09/0.19	c ---[  11]---> BDD-cost:   27
0.09/0.19	c ---[  10]---> BDD-cost:   27
0.09/0.19	c ---[   9]---> BDD-cost:   27
0.09/0.19	c ---[   8]---> BDD-cost:   27
0.09/0.19	c ---[   7]---> BDD-cost:   27
0.09/0.19	c ---[   6]---> BDD-cost:   27
0.09/0.19	c ---[   5]---> BDD-cost:   27
0.09/0.19	c ---[   4]---> BDD-cost:   27
0.09/0.19	c ---[   3]---> BDD-cost:   27
0.09/0.19	c ---[   2]---> BDD-cost:   27
0.09/0.19	c ---[   1]---> BDD-cost:   27
0.09/0.19	c ---[   0]---> BDD-cost:   27
0.09/0.19	c ==================================[MINISAT+]==================================
0.09/0.19	c | Conflicts | Original         | Learnt                           | Progress |
0.09/0.19	c |           | Clauses Literals |     Max Clauses Literals     LPC |          |
0.09/0.19	c ==============================================================================
0.09/0.19	c |         0 |    7140    31470 |    2380       0        0     nan |  0.000 % |
0.19/0.21	c |       102 |    7140    31470 |    2618     102    15223   149.2 |  1.550 % |
0.19/0.24	c |       252 |    7140    31470 |    2879     252    37467   148.7 |  1.550 % |
0.19/0.26	c |       478 |    7140    31470 |    3167     478    57385   120.1 |  1.550 % |
0.29/0.32	c |       816 |    7140    31470 |    3484     816   113540   139.1 |  1.551 % |
0.29/0.39	c |      1324 |    7140    31470 |    3833    1324   192154   145.1 |  1.550 % |
0.39/0.47	c |      2083 |    7140    31470 |    4216    2083   256560   123.2 |  1.550 % |
0.69/0.75	c |      3224 |    7140    31470 |    4637    3224   502725   155.9 |  1.550 % |
0.99/1.06	c |      4933 |    7140    31470 |    5101    4933   825629   167.4 |  1.550 % |
1.68/1.71	c |      7500 |    7140    31470 |    5611    3836   718597   187.3 |  1.550 % |
1.68/1.72	c ==============================================================================
1.68/1.72	c SATISFIABLE: No goal function specified.
1.68/1.72	s SATISFIABLE
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1.68/1.72	v -x162 -x633 -x241 -x242 -x249 -x251 -x254 -x256 -x258 -x259 -x263 -x264 -x267 -x269 -x270 -x804 -x635 -x682 x170 -x166 -x871
1.68/1.72	v -x874 -x875 -x877 -x880 -x882 -x886 -x892 -x896 -x898 -x900 -x177 -x681 -x797 -x641 -x419 -x632 -x636 -x642 -x645 -x649 -x650
1.68/1.72	v -x651 -x653 -x654 -x655 -x657 -x38 -x60 -x304 -x305 -x306 -x312 -x314 -x317 -x324 -x325 -x326 -x327 -x328 -x330 -x57 -x3 -x806
1.68/1.72	v -x393 -x665 -x671 -x674 -x675 -x676 -x683 -x685 -x687 -x688 -x689 x21 -x294 -x175 -x16 -x395 -x396 -x399 -x406 -x407 -x409
1.68/1.72	v -x413 x414 -x416 -x420 -x299 -x839 x832 -x801 -x41 -x789 x288 -x155 -x815 -x286 -x829 -x173 -x280 x786 -x830 -x785 -x816 -x800
1.68/1.72	v -x835 -x796 -x293 -x297 -x27 -x8 -x284 -x820 -x824 -x32 -x58 -x59 -x29 -x276 -x30 -x159 -x179
1.68/1.72	c _______________________________________________________________________________
1.68/1.72	c 
1.68/1.72	c restarts              : 10
1.68/1.72	c conflicts             : 7516           (4414 /sec)
1.68/1.72	c decisions             : 18255          (10721 /sec)
1.68/1.72	c propagations          : 0              (0 /sec)
1.68/1.72	c inspects              : 0              (0 /sec)
1.68/1.72	c CPU time              : 1.70274 s
1.68/1.72	c _______________________________________________________________________________

Verifier Data (download as text)

OK	0

Conversion Script Data (download as text)

/tmp/evaluation/361316-1176981776/instance-361316-1176981776.opb is already a linear file

Watcher Data (download as text)

runsolver version 3.2.2 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node26/watcher-361316-1176981776 -o ROOT/results/node26/solver-361316-1176981776 -C 1800 -W 3600 -M 1800 --output-limit 1,15 /tmp/evaluation/361316-1176981776/minisat+ /tmp/evaluation/361316-1176981776/instance-361316-1176981776.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: 1.02 1.04 1.00 3/77 26601
/proc/meminfo: memFree=1824856/2055920 swapFree=4170240/4192956
[pid=26601] ppid=26599 vsize=1048 CPUtime=0
/proc/26601/stat : 26601 (minisat+) R 26599 26601 25773 0 -1 4194304 118 0 0 0 0 0 0 0 18 0 1 0 146094448 1073152 103 18446744073709551615 134512640 135395479 4294956672 18446744073709551615 135007481 0 0 4096 16386 0 0 0 17 1 0 0
/proc/26601/statm: 262 103 74 215 0 44 0

[startup+0.0430621 s]
/proc/loadavg: 1.02 1.04 1.00 3/77 26601
/proc/meminfo: memFree=1824856/2055920 swapFree=4170240/4192956
[pid=26601] ppid=26599 vsize=1464 CPUtime=0.04
/proc/26601/stat : 26601 (minisat+) R 26599 26601 25773 0 -1 4194304 206 0 0 0 4 0 0 0 18 0 1 0 146094448 1499136 191 18446744073709551615 134512640 135395479 4294956672 18446744073709551615 135007481 0 0 4096 16386 0 0 0 17 1 0 0
/proc/26601/statm: 366 191 74 215 0 148 0
Current children cumulated CPU time (s) 0.04
Current children cumulated vsize (KiB) 1464

[startup+0.101067 s]
/proc/loadavg: 1.02 1.04 1.00 3/77 26601
/proc/meminfo: memFree=1824856/2055920 swapFree=4170240/4192956
[pid=26601] ppid=26599 vsize=1860 CPUtime=0.09
/proc/26601/stat : 26601 (minisat+) R 26599 26601 25773 0 -1 4194304 323 0 0 0 9 0 0 0 18 0 1 0 146094448 1904640 308 18446744073709551615 134512640 135395479 4294956672 18446744073709551615 135007481 0 0 4096 16386 0 0 0 17 1 0 0
/proc/26601/statm: 465 308 74 215 0 247 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 1860

[startup+0.301086 s]
/proc/loadavg: 1.02 1.04 1.00 3/77 26601
/proc/meminfo: memFree=1824856/2055920 swapFree=4170240/4192956
[pid=26601] ppid=26599 vsize=2876 CPUtime=0.29
/proc/26601/stat : 26601 (minisat+) R 26599 26601 25773 0 -1 4194304 601 0 0 0 29 0 0 0 18 0 1 0 146094448 2945024 586 18446744073709551615 134512640 135395479 4294956672 18446744073709551615 135007481 0 0 4096 16386 0 0 0 17 1 0 0
/proc/26601/statm: 719 586 106 215 0 501 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 2876

[startup+0.701123 s]
/proc/loadavg: 1.02 1.04 1.00 3/77 26601
/proc/meminfo: memFree=1824856/2055920 swapFree=4170240/4192956
[pid=26601] ppid=26599 vsize=4460 CPUtime=0.69
/proc/26601/stat : 26601 (minisat+) R 26599 26601 25773 0 -1 4194304 1003 0 0 0 69 0 0 0 21 0 1 0 146094448 4567040 988 18446744073709551615 134512640 135395479 4294956672 18446744073709551615 135007481 0 0 4096 16386 0 0 0 17 1 0 0
/proc/26601/statm: 1115 988 106 215 0 897 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 4460

[startup+1.5012 s]
/proc/loadavg: 1.02 1.04 1.00 2/78 26602
/proc/meminfo: memFree=1819856/2055920 swapFree=4170240/4192956
[pid=26601] ppid=26599 vsize=7756 CPUtime=1.49
/proc/26601/stat : 26601 (minisat+) R 26599 26601 25773 0 -1 4194304 1798 0 0 0 148 1 0 0 25 0 1 0 146094448 7942144 1783 18446744073709551615 134512640 135395479 4294956672 18446744073709551615 135007864 0 0 4096 16386 0 0 0 17 1 0 0
/proc/26601/statm: 1939 1783 106 215 0 1721 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 7756

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

[startup+1.70121 s]
/proc/loadavg: 1.02 1.04 1.00 2/78 26602
/proc/meminfo: memFree=1819856/2055920 swapFree=4170240/4192956
[pid=26601] ppid=26599 vsize=8152 CPUtime=1.68
/proc/26601/stat : 26601 (minisat+) R 26599 26601 25773 0 -1 4194304 1915 0 0 0 167 1 0 0 25 0 1 0 146094448 8347648 1900 18446744073709551615 134512640 135395479 4294956672 18446744073709551615 134579241 0 0 4096 16386 0 0 0 17 1 0 0
/proc/26601/statm: 2038 1900 106 215 0 1820 0
Current children cumulated CPU time (s) 1.68
Current children cumulated vsize (KiB) 8152

Child status: 10
Real time (s): 1.72763
CPU time (s): 1.72374
CPU user time (s): 1.70374
CPU system time (s): 0.019996
CPU usage (%): 99.7746
Max. virtual memory (cumulated for all children) (KiB): 8152

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.70374
system time used= 0.019996
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1919
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= 13
involuntary context switches= 7

runsolver used 0.003999 second user time and 0.015997 second system time

The end

Launcher Data (download as text)

Begin job on node26 on Thu Apr 19 11:22:56 UTC 2007

IDJOB= 361316
IDBENCH= 1434
IDSOLVER= 156
FILE ID= node26/361316-1176981776

PBS_JOBID= 4630404

Free space on /tmp= 66434 MiB

SOLVER NAME= minisat+ 1.14
BENCH NAME= HOME/pub/bench/PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB05/aloul/FPGA_SAT05/normalized-fpga30_30_sat_pb.cnf.cr.opb
COMMAND LINE= /tmp/evaluation/361316-1176981776/minisat+ /tmp/evaluation/361316-1176981776/instance-361316-1176981776.opb            
CONVERSION COMMAND LINE= runsolver -w ROOT/results/node26/convwatcher-361316-1176981776 -o ROOT/results/node26/conversion-361316-1176981776 -C 600 -M 1800 PBconversionToLinear /tmp/evaluation/361316-1176981776/instance-361316-1176981776.opb
CONVERSION RUNSOLVER STATUS CODE= 0
CONVERSION STATUS CODE= 0

RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node26/watcher-361316-1176981776 -o ROOT/results/node26/solver-361316-1176981776 -C 1800 -W 3600 -M 1800 --output-limit 1,15  /tmp/evaluation/361316-1176981776/minisat+ /tmp/evaluation/361316-1176981776/instance-361316-1176981776.opb            

META MD5SUM SOLVER= e46aded85e5f265b61da9cdcce06370e
MD5SUM BENCH=  09dd38397cb073c3f8ce1c2b987fae03

RANDOM SEED= 568933170

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:       1825200 kB
Buffers:         26516 kB
Cached:         116896 kB
SwapCached:       3128 kB
Active:          54764 kB
Inactive:       112020 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1825200 kB
SwapTotal:     4192956 kB
SwapFree:      4170240 kB
Dirty:            2492 kB
Writeback:           0 kB
Mapped:          30964 kB
Slab:            49536 kB
Committed_AS:  1018392 kB
PageTables:       1716 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= 66434 MiB

End job on node26 on Thu Apr 19 11:22:58 UTC 2007