Trace number 2681335

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 0.1 fixedSAT 24.8322 24.842

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 0.1.1 http://www.residual.se/pbct
0.00/0.00	c Based on OpenSMT/CT 20091015
0.09/0.13	c constraints 7318/0 clauses 6816/0 units 0
0.09/0.13	c vars 1000
23.88/23.91	c 23.3584 202.156 5525 74585
23.88/23.91	s SATISFIABLE
23.88/23.91	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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-x871 -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-2681335-1277505368/watcher-2681335-1277505368 -o /tmp/evaluation-result-2681335-1277505368/solver-2681335-1277505368 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2681335-1277505368.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: 1.06 1.04 1.00 3/106 31130
/proc/meminfo: memFree=1860300/2059040 swapFree=4139836/4192956
[pid=31130] ppid=31128 vsize=2268 CPUtime=0
/proc/31130/stat : 31130 (pbct) R 31128 31130 30997 0 -1 4202496 292 0 0 0 0 0 0 0 20 0 1 0 91829142 2322432 211 1992294400 134512640 136421960 4287847776 18446744073709551615 135811817 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/31130/statm: 567 211 144 467 0 98 0

[startup+0.0823571 s]
/proc/loadavg: 1.06 1.04 1.00 3/106 31130
/proc/meminfo: memFree=1860300/2059040 swapFree=4139836/4192956
[pid=31130] ppid=31128 vsize=4384 CPUtime=0.08
/proc/31130/stat : 31130 (pbct) R 31128 31130 30997 0 -1 4202496 810 0 0 0 8 0 0 0 20 0 1 0 91829142 4489216 729 1992294400 134512640 136421960 4287847776 18446744073709551615 135811817 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/31130/statm: 1096 729 145 467 0 627 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 4384

[startup+0.10136 s]
/proc/loadavg: 1.06 1.04 1.00 3/106 31130
/proc/meminfo: memFree=1860300/2059040 swapFree=4139836/4192956
[pid=31130] ppid=31128 vsize=5060 CPUtime=0.09
/proc/31130/stat : 31130 (pbct) R 31128 31130 30997 0 -1 4202496 971 0 0 0 9 0 0 0 20 0 1 0 91829142 5181440 890 1992294400 134512640 136421960 4287847776 18446744073709551615 135809589 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/31130/statm: 1265 891 145 467 0 796 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 5060

[startup+0.300397 s]
/proc/loadavg: 1.06 1.04 1.00 3/106 31130
/proc/meminfo: memFree=1860300/2059040 swapFree=4139836/4192956
[pid=31130] ppid=31128 vsize=23568 CPUtime=0.29
/proc/31130/stat : 31130 (pbct) R 31128 31130 30997 0 -1 4202496 5597 0 0 0 27 2 0 0 20 0 1 0 91829142 24133632 5516 1992294400 134512640 136421960 4287847776 18446744073709551615 135811817 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/31130/statm: 5892 5517 188 467 0 5423 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 23568

[startup+0.70047 s]
/proc/loadavg: 1.06 1.04 1.00 3/106 31130
/proc/meminfo: memFree=1860300/2059040 swapFree=4139836/4192956
[pid=31130] ppid=31128 vsize=53676 CPUtime=0.69
/proc/31130/stat : 31130 (pbct) R 31128 31130 30997 0 -1 4202496 13605 0 0 0 64 5 0 0 20 0 1 0 91829142 54964224 12956 1992294400 134512640 136421960 4287847776 18446744073709551615 135811817 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/31130/statm: 13419 12956 193 467 0 12950 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 53676

[startup+1.50062 s]
/proc/loadavg: 1.06 1.04 1.00 2/107 31131
/proc/meminfo: memFree=1788744/2059040 swapFree=4139836/4192956
[pid=31130] ppid=31128 vsize=106760 CPUtime=1.49
/proc/31130/stat : 31130 (pbct) R 31128 31130 30997 0 -1 4202496 27816 0 0 0 139 10 0 0 22 0 1 0 91829142 109322240 26329 1992294400 134512640 136421960 4287847776 18446744073709551615 135818229 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/31130/statm: 26690 26330 193 467 0 26221 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 106760

[startup+3.10091 s]
/proc/loadavg: 1.06 1.04 1.00 2/107 31131
/proc/meminfo: memFree=1689916/2059040 swapFree=4139836/4192956
[pid=31130] ppid=31128 vsize=200768 CPUtime=3.09
/proc/31130/stat : 31130 (pbct) R 31128 31130 30997 0 -1 4202496 51544 0 0 0 288 21 0 0 25 0 1 0 91829142 205586432 47999 1992294400 134512640 136421960 4287847776 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/31130/statm: 50192 47999 214 467 0 49723 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 200768

[startup+6.30049 s]
/proc/loadavg: 1.06 1.04 1.00 2/107 31131
/proc/meminfo: memFree=1668216/2059040 swapFree=4139836/4192956
[pid=31130] ppid=31128 vsize=200900 CPUtime=6.29
/proc/31130/stat : 31130 (pbct) R 31128 31130 30997 0 -1 4202496 51576 0 0 0 602 27 0 0 25 0 1 0 91829142 205721600 48031 1992294400 134512640 136421960 4287847776 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/31130/statm: 50225 48031 214 467 0 49756 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 200900

[startup+12.7007 s]
/proc/loadavg: 1.05 1.04 1.00 2/107 31131
/proc/meminfo: memFree=1667720/2059040 swapFree=4139836/4192956
[pid=31130] ppid=31128 vsize=201428 CPUtime=12.69
/proc/31130/stat : 31130 (pbct) R 31128 31130 30997 0 -1 4202496 51699 0 0 0 1233 36 0 0 25 0 1 0 91829142 206262272 48154 1992294400 134512640 136421960 4287847776 18446744073709551615 135006405 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/31130/statm: 50357 48154 214 467 0 49888 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 201428

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

[startup+19.1008 s]
/proc/loadavg: 1.05 1.03 1.00 2/107 31131
/proc/meminfo: memFree=1666728/2059040 swapFree=4139836/4192956
[pid=31130] ppid=31128 vsize=202616 CPUtime=19.09
/proc/31130/stat : 31130 (pbct) R 31128 31130 30997 0 -1 4202496 52011 0 0 0 1865 44 0 0 25 0 1 0 91829142 207478784 48466 1992294400 134512640 136421960 4287847776 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/31130/statm: 50654 48466 214 467 0 50185 0
Current children cumulated CPU time (s) 19.09
Current children cumulated vsize (KiB) 202616

[startup+22.3014 s]
/proc/loadavg: 1.04 1.03 1.00 2/107 31131
/proc/meminfo: memFree=1664000/2059040 swapFree=4139836/4192956
[pid=31130] ppid=31128 vsize=205652 CPUtime=22.28
/proc/31130/stat : 31130 (pbct) R 31128 31130 30997 0 -1 4202496 52760 0 0 0 2177 51 0 0 25 0 1 0 91829142 210587648 49215 1992294400 134512640 136421960 4287847776 18446744073709551615 134864225 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/31130/statm: 51413 49215 214 467 0 50944 0
Current children cumulated CPU time (s) 22.28
Current children cumulated vsize (KiB) 205652

[startup+23.9017 s]
/proc/loadavg: 1.04 1.03 1.00 2/107 31131
/proc/meminfo: memFree=1662760/2059040 swapFree=4139836/4192956
[pid=31130] ppid=31128 vsize=207004 CPUtime=23.88
/proc/31130/stat : 31130 (pbct) R 31128 31130 30997 0 -1 4202496 53095 0 0 0 2334 54 0 0 25 0 1 0 91829142 211972096 49550 1992294400 134512640 136421960 4287847776 18446744073709551615 135005960 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/31130/statm: 51751 49550 216 467 0 51282 0
Current children cumulated CPU time (s) 23.88
Current children cumulated vsize (KiB) 207004

[startup+24.3018 s]
/proc/loadavg: 1.04 1.03 1.00 2/107 31131
/proc/meminfo: memFree=1667968/2059040 swapFree=4139836/4192956
[pid=31130] ppid=31128 vsize=193588 CPUtime=24.28
/proc/31130/stat : 31130 (pbct) R 31128 31130 30997 0 -1 4202496 53121 0 0 0 2374 54 0 0 25 0 1 0 91829142 198234112 46909 1992294400 134512640 136421960 4287847776 18446744073709551615 134701435 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/31130/statm: 48397 46909 240 467 0 47928 0
Current children cumulated CPU time (s) 24.28
Current children cumulated vsize (KiB) 193588

[startup+24.7018 s]
/proc/loadavg: 1.04 1.03 1.00 2/107 31131
/proc/meminfo: memFree=1667968/2059040 swapFree=4139836/4192956
[pid=31130] ppid=31128 vsize=193588 CPUtime=24.68
/proc/31130/stat : 31130 (pbct) R 31128 31130 30997 0 -1 4202496 53121 0 0 0 2414 54 0 0 25 0 1 0 91829142 198234112 46909 1992294400 134512640 136421960 4287847776 18446744073709551615 135818225 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/31130/statm: 48397 46909 240 467 0 47928 0
Current children cumulated CPU time (s) 24.68
Current children cumulated vsize (KiB) 193588

[startup+24.8019 s]
/proc/loadavg: 1.04 1.03 1.00 2/107 31131
/proc/meminfo: memFree=1667968/2059040 swapFree=4139836/4192956
[pid=31130] ppid=31128 vsize=182780 CPUtime=24.78
/proc/31130/stat : 31130 (pbct) R 31128 31130 30997 0 -1 4202496 53121 0 0 0 2424 54 0 0 25 0 1 0 91829142 187166720 45272 1992294400 134512640 136421960 4287847776 18446744073709551615 135801367 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/31130/statm: 45695 45272 240 467 0 45226 0
Current children cumulated CPU time (s) 24.78
Current children cumulated vsize (KiB) 182780

Child status: 0
Real time (s): 24.842
CPU time (s): 24.8322
CPU user time (s): 24.2653
CPU system time (s): 0.566913
CPU usage (%): 99.9606
Max. virtual memory (cumulated for all children) (KiB): 207004

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 24.2653
system time used= 0.566913
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 53122
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= 49

runsolver used 0.047992 second user time and 0.117982 second system time

The end

Launcher Data 

Begin job on node044 at 2010-06-26 00:36:08
IDJOB=2681335
IDBENCH=48329
IDSOLVER=1192
FILE ID=node044/2681335-1277505368
PBS_JOBID= 11190611
Free space on /tmp= 62224 MiB

SOLVER NAME= PB/CT 0.1 fixed
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-2681335-1277505368/watcher-2681335-1277505368 -o /tmp/evaluation-result-2681335-1277505368/solver-2681335-1277505368 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2681335-1277505368.opb

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

MD5SUM BENCH= 4023d6beb9ef2c356e20e783b830f625
RANDOM SEED=1517687147

node044.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		: 3000.266
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	: 6000.53
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		: 3000.266
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	: 5599.46
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1860820 kB
Buffers:         35380 kB
Cached:          86124 kB
SwapCached:       6152 kB
Active:          62896 kB
Inactive:        71724 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1860820 kB
SwapTotal:     4192956 kB
SwapFree:      4139836 kB
Dirty:            2448 kB
Writeback:           0 kB
AnonPages:       11736 kB
Mapped:          12008 kB
Slab:            41480 kB
PageTables:       4200 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   180920 kB
VmallocTotal: 34359738367 kB
VmallocUsed:    264948 kB
VmallocChunk: 34359471699 kB
HugePages_Total:     0
HugePages_Free:      0
HugePages_Rsvd:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 62220 MiB
End job on node044 at 2010-06-26 00:36:33