Trace number 2667741

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. The first timestamp (if present) is estimated CPU time. The last timestamp is wall clock 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
PB/CT 0.1SAT 22.0366 22.0438

General information on the benchmark

Namenormalized-PB07/SATUNSAT-SMALLINT-NLC/submittedPB07/
manquinho/dbsg/normalized-dbsg_500_10_3_80.opb
MD5SUM4023d6beb9ef2c356e20e783b830f625
Bench CategoryDEC-SMALLINT-NLC (no optimisation, small integers, non 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 benchmark1.91371
Has Objective FunctionNO
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved NO
Number of variables1000
Total number of constraints1502
Number of constraints which are clauses500
Number of constraints which are cardinality constraints (but not clauses)1
Number of constraints which are nor clauses,nor cardinality constraints1001
Minimum length of a constraint2
Maximum length of a constraint1000
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 80
Number of bits of the biggest number in a constraint 7
Biggest sum of numbers in a constraint 1000
Number of bits of the biggest sum of numbers10
Number of products (including duplicates)12632
Sum of products size (including duplicates)25264
Number of different products6316
Sum of products size12632

Solver Data 

0.00/0.00	c PB/CT 0.1 http://www.residual.se/pbct
0.00/0.00	c Based on OpenSMT/CT 20091015
0.09/0.15	c constraints 7318/0 clauses 6816/0 units 0
0.09/0.15	c vars 1000
21.09/21.13	c 20.6049 200.551 4375 70660
21.09/21.13	s SATISFIABLE
21.09/21.13	v -x1 -x2 -x3 -x4 -x5 -x6 x7 -x8 -x9 -x10 -x11 -x12 -x13 -x14 -x15 -x16 -x17 -x18 -x19 -x20 -x21 -x22 -x23 -x24 -x25 -x26 x27 -x28 -x29 -x30 -x31 -x32 -x33 -x34 -x35 -x36 x37 x38 -x39 -x40 -x41 -x42 -x43 -x44 -x45 x46 -x47 -x48 -x49 -x50 -x51 -x52 -x53 -x54 -x55 -x56 -x57 -x58 -x59 -x60 -x61 x62 x63 -x64 -x65 x66 -x67 -x68 -x69 -x70 x71 -x72 -x73 -x74 -x75 -x76 -x77 -x78 -x79 -x80 -x81 -x82 -x83 -x84 x85 -x86 -x87 -x88 x89 -x90 -x91 -x92 -x93 -x94 -x95 -x96 -x97 -x98 -x99 -x100 -x101 -x102 -x103 -x104 -x105 -x106 x107 x108 -x109 -x110 -x111 -x112 -x113 -x114 x115 -x116 -x117 -x118 -x119 -x120 -x121 -x122 -x123 -x124 -x125 -x126 x127 -x128 -x129 x130 -x131 -x132 -x133 -x134 -x135 -x136 -x137 -x138 -x139 -x140 -x141 x142 x143 -x144 -x145 -x146 -x147 -x148 -x149 -x150 -x151 -x152 -x153 x154 x155 -x156 -x157 -x158 -x159 -x160 -x161 -x162 -x163 x164 -x165 -x166 -x167 -x168 -x169 -x170 x171 -x172 -x173 -x174 -x175 -x176 -x177 x178 -x179 -x180 -x181 x182 -x183 -x184 x185 -x186 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-x872 -x873 -x874 -x875 -x876 -x877 -x878 -x879 x880 -x881 -x882 -x883 -x884 -x885 -x886 -x887 -x888 -x889 -x890 x891 -x892 -x893 x894 -x895 -x896 -x897 x898 x899 -x900 -x901 x902 -x903 -x904 -x905 x906 -x907 -x908 -x909 -x910 -x911 -x912 -x913 -x914 -x915 -x916 x917 -x918 -x919 -x920 x921 -x922 -x923 -x924 x925 -x926 x927 -x928 x929 x930 x931 x932 -x933 -x934 -x935 -x936 -x937 x938 -x939 -x940 -x941 -x942 -x943 -x944 -x945 -x946 -x947 -x948 -x949 -x950 -x951 -x952 -x953 -x954 -x955 -x956 -x957 -x958 -x959 -x960 -x961 -x962 -x963 -x964 -x965 -x966 -x967 -x968 -x969 -x970 -x971 -x972 -x973 -x974 -x975 -x976 -x977 x978 x979 -x980 x981 -x982 -x983 -x984 -x985 -x986 x987 x988 -x989 -x990 x991 -x992 -x993 -x994 -x995 -x996 x997 -x998 -x999 -x1000

Verifier Data 

OK	0

Watcher Data 

runsolver version 3.2.9 (svn:492) (c) roussel@cril.univ-artois.fr

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2667741-1276679346/watcher-2667741-1276679346 -o /tmp/evaluation-result-2667741-1276679346/solver-2667741-1276679346 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2667741-1276679346.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): 2000 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
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 1.40 1.13 1.03 3/105 18417
/proc/meminfo: memFree=1782164/2059040 swapFree=4148288/4192956
[pid=18417] ppid=18415 vsize=2340 CPUtime=0
/proc/18417/stat : 18417 (pbct) R 18415 18417 17386 0 -1 4202496 301 0 0 0 0 0 0 0 25 0 1 0 9228119 2396160 224 1992294400 134512640 136485738 4294097488 18446744073709551615 135850441 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/18417/statm: 585 224 156 482 0 101 0

[startup+0.058025 s]
/proc/loadavg: 1.40 1.13 1.03 3/105 18417
/proc/meminfo: memFree=1782164/2059040 swapFree=4148288/4192956
[pid=18417] ppid=18415 vsize=3536 CPUtime=0.05
/proc/18417/stat : 18417 (pbct) R 18415 18417 17386 0 -1 4202496 584 0 0 0 5 0 0 0 25 0 1 0 9228119 3620864 507 1992294400 134512640 136485738 4294097488 18446744073709551615 135332318 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/18417/statm: 884 507 156 482 0 400 0
Current children cumulated CPU time (s) 0.05
Current children cumulated vsize (KiB) 3536

[startup+0.10103 s]
/proc/loadavg: 1.40 1.13 1.03 3/105 18417
/proc/meminfo: memFree=1782164/2059040 swapFree=4148288/4192956
[pid=18417] ppid=18415 vsize=4724 CPUtime=0.09
/proc/18417/stat : 18417 (pbct) R 18415 18417 17386 0 -1 4202496 882 0 0 0 9 0 0 0 25 0 1 0 9228119 4837376 805 1992294400 134512640 136485738 4294097488 18446744073709551615 135848132 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/18417/statm: 1181 805 156 482 0 697 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 4724

[startup+0.301051 s]
/proc/loadavg: 1.40 1.13 1.03 3/105 18417
/proc/meminfo: memFree=1782164/2059040 swapFree=4148288/4192956
[pid=18417] ppid=18415 vsize=22524 CPUtime=0.29
/proc/18417/stat : 18417 (pbct) R 18415 18417 17386 0 -1 4202496 5313 0 0 0 27 2 0 0 25 0 1 0 9228119 23064576 5236 1992294400 134512640 136485738 4294097488 18446744073709551615 135850441 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/18417/statm: 5631 5237 191 482 0 5147 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 22524

[startup+0.701092 s]
/proc/loadavg: 1.40 1.13 1.03 3/105 18417
/proc/meminfo: memFree=1782164/2059040 swapFree=4148288/4192956
[pid=18417] ppid=18415 vsize=52816 CPUtime=0.69
/proc/18417/stat : 18417 (pbct) R 18415 18417 17386 0 -1 4202496 13258 0 0 0 63 6 0 0 25 0 1 0 9228119 54083584 12709 1992294400 134512640 136485738 4294097488 18446744073709551615 134651003 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/18417/statm: 13204 12709 196 482 0 12720 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 52816

[startup+1.50118 s]
/proc/loadavg: 1.40 1.13 1.03 2/106 18418
/proc/meminfo: memFree=1714452/2059040 swapFree=4148288/4192956
[pid=18417] ppid=18415 vsize=101024 CPUtime=1.49
/proc/18417/stat : 18417 (pbct) R 18415 18417 17386 0 -1 4202496 26263 0 0 0 136 13 0 0 25 0 1 0 9228119 103448576 24780 1992294400 134512640 136485738 4294097488 18446744073709551615 135850441 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/18417/statm: 25256 24781 196 482 0 24772 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 101024

[startup+3.10134 s]
/proc/loadavg: 1.40 1.13 1.03 2/106 18418
/proc/meminfo: memFree=1613268/2059040 swapFree=4148288/4192956
[pid=18417] ppid=18415 vsize=200840 CPUtime=3.09
/proc/18417/stat : 18417 (pbct) R 18415 18417 17386 0 -1 4202496 51548 0 0 0 284 25 0 0 25 0 1 0 9228119 205660160 48007 1992294400 134512640 136485738 4294097488 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/18417/statm: 50210 48007 224 482 0 49726 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 200840

[startup+6.30068 s]
/proc/loadavg: 1.36 1.13 1.03 2/106 18418
/proc/meminfo: memFree=1590080/2059040 swapFree=4148288/4192956
[pid=18417] ppid=18415 vsize=200972 CPUtime=6.29
/proc/18417/stat : 18417 (pbct) R 18415 18417 17386 0 -1 4202496 51584 0 0 0 598 31 0 0 25 0 1 0 9228119 205795328 48043 1992294400 134512640 136485738 4294097488 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/18417/statm: 50243 48043 224 482 0 49759 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 200972

[startup+12.7014 s]
/proc/loadavg: 1.33 1.13 1.03 2/106 18420
/proc/meminfo: memFree=1589460/2059040 swapFree=4148288/4192956
[pid=18417] ppid=18415 vsize=201500 CPUtime=12.69
/proc/18417/stat : 18417 (pbct) R 18415 18417 17386 0 -1 4202496 51721 0 0 0 1230 39 0 0 25 0 1 0 9228119 206336000 48180 1992294400 134512640 136485738 4294097488 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/18417/statm: 50375 48180 224 482 0 49891 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 201500

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

[startup+15.9007 s]
/proc/loadavg: 1.31 1.12 1.03 2/106 18420
/proc/meminfo: memFree=1589088/2059040 swapFree=4148288/4192956
[pid=18417] ppid=18415 vsize=202028 CPUtime=15.89
/proc/18417/stat : 18417 (pbct) R 18415 18417 17386 0 -1 4202496 51847 0 0 0 1545 44 0 0 25 0 1 0 9228119 206876672 48306 1992294400 134512640 136485738 4294097488 18446744073709551615 135047017 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/18417/statm: 50507 48306 224 482 0 50023 0
Current children cumulated CPU time (s) 15.89
Current children cumulated vsize (KiB) 202028

[startup+19.101 s]
/proc/loadavg: 1.28 1.12 1.03 2/106 18420
/proc/meminfo: memFree=1587228/2059040 swapFree=4148288/4192956
[pid=18417] ppid=18415 vsize=204272 CPUtime=19.09
/proc/18417/stat : 18417 (pbct) R 18415 18417 17386 0 -1 4202496 52397 0 0 0 1860 49 0 0 25 0 1 0 9228119 209174528 48856 1992294400 134512640 136485738 4294097488 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/18417/statm: 51068 48856 224 482 0 50584 0
Current children cumulated CPU time (s) 19.09
Current children cumulated vsize (KiB) 204272

[startup+20.7012 s]
/proc/loadavg: 1.28 1.12 1.03 2/106 18420
/proc/meminfo: memFree=1586236/2059040 swapFree=4148288/4192956
[pid=18417] ppid=18415 vsize=204800 CPUtime=20.68
/proc/18417/stat : 18417 (pbct) R 18415 18417 17386 0 -1 4202496 52547 0 0 0 2017 51 0 0 25 0 1 0 9228119 209715200 49006 1992294400 134512640 136485738 4294097488 18446744073709551615 135040507 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/18417/statm: 51200 49006 224 482 0 50716 0
Current children cumulated CPU time (s) 20.68
Current children cumulated vsize (KiB) 204800

[startup+21.5003 s]
/proc/loadavg: 1.28 1.12 1.03 2/106 18420
/proc/meminfo: memFree=1586112/2059040 swapFree=4148288/4192956
[pid=18417] ppid=18415 vsize=191944 CPUtime=21.49
/proc/18417/stat : 18417 (pbct) R 18415 18417 17386 0 -1 4202496 52705 0 0 0 2097 52 0 0 25 0 1 0 9228119 196550656 46497 1992294400 134512640 136485738 4294097488 18446744073709551615 135844795 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/18417/statm: 47986 46497 247 482 0 47502 0
Current children cumulated CPU time (s) 21.49
Current children cumulated vsize (KiB) 191944

[startup+21.9003 s]
/proc/loadavg: 1.28 1.12 1.03 2/106 18420
/proc/meminfo: memFree=1595660/2059040 swapFree=4148288/4192956
[pid=18417] ppid=18415 vsize=191944 CPUtime=21.89
/proc/18417/stat : 18417 (pbct) R 18415 18417 17386 0 -1 4202496 52705 0 0 0 2137 52 0 0 25 0 1 0 9228119 196550656 46497 1992294400 134512640 136485738 4294097488 18446744073709551615 135856849 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/18417/statm: 47986 46497 247 482 0 47502 0
Current children cumulated CPU time (s) 21.89
Current children cumulated vsize (KiB) 191944

[startup+22.0083 s]
/proc/loadavg: 1.28 1.12 1.03 2/106 18420
/proc/meminfo: memFree=1595660/2059040 swapFree=4148288/4192956
[pid=18417] ppid=18415 vsize=181136 CPUtime=21.99
/proc/18417/stat : 18417 (pbct) R 18415 18417 17386 0 -1 4202496 52705 0 0 0 2147 52 0 0 25 0 1 0 9228119 185483264 44860 1992294400 134512640 136485738 4294097488 18446744073709551615 135839892 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/18417/statm: 45284 44860 247 482 0 44800 0
Current children cumulated CPU time (s) 21.99
Current children cumulated vsize (KiB) 181136

Child status: 0
Real time (s): 22.0438
CPU time (s): 22.0366
CPU user time (s): 21.4937
CPU system time (s): 0.542917
CPU usage (%): 99.9677
Max. virtual memory (cumulated for all children) (KiB): 205064

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 21.4937
system time used= 0.542917
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 52706
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= 1
involuntary context switches= 63

runsolver used 0.038994 second user time and 0.113982 second system time

The end

Launcher Data 

Begin job on node082 at 2010-06-16 11:09:06
IDJOB=2667741
IDBENCH=48329
IDSOLVER=1170
FILE ID=node082/2667741-1276679346
PBS_JOBID= 11172528
Free space on /tmp= 62584 MiB

SOLVER NAME= PB/CT 0.1
BENCH NAME= PB07/normalized-PB07/SATUNSAT-SMALLINT-NLC/submittedPB07/manquinho/dbsg/normalized-dbsg_500_10_3_80.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2667741-1276679346/watcher-2667741-1276679346 -o /tmp/evaluation-result-2667741-1276679346/solver-2667741-1276679346 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2667741-1276679346.opb

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 1800 MiB
MAX NB THREAD= 0

MD5SUM BENCH= 4023d6beb9ef2c356e20e783b830f625
RANDOM SEED=494407137

node082.alineos.net Linux 2.6.18-164.el5 #1 SMP Thu Sep 3 03:28:30 EDT 2009

/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		: 3000.215
cache size	: 2048 KB
physical id	: 0
siblings	: 1
core id		: 0
cpu cores	: 1
apicid		: 0
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 constant_tsc pni monitor ds_cpl cid cx16 xtpr
bogomips	: 6000.43
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		: 3000.215
cache size	: 2048 KB
physical id	: 3
siblings	: 1
core id		: 0
cpu cores	: 1
apicid		: 6
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 constant_tsc pni monitor ds_cpl cid cx16 xtpr
bogomips	: 5999.41
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1782692 kB
Buffers:         69160 kB
Cached:         108412 kB
SwapCached:       6844 kB
Active:         102692 kB
Inactive:        96536 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1782692 kB
SwapTotal:     4192956 kB
SwapFree:      4148288 kB
Dirty:            2144 kB
Writeback:           0 kB
AnonPages:       18820 kB
Mapped:          13216 kB
Slab:            55428 kB
PageTables:       4004 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   180476 kB
VmallocTotal: 34359738367 kB
VmallocUsed:    264964 kB
VmallocChunk: 34359471699 kB
HugePages_Total:     0
HugePages_Free:      0
HugePages_Rsvd:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 62580 MiB
End job on node082 at 2010-06-16 11:09:28