Trace number 2667773

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 22.2356 22.2401

General information on the benchmark

Namenormalized-PB07/SATUNSAT-SMALLINT-NLC/submittedPB07/
manquinho/dbsg/normalized-dbsg_500_60_4_15.opb
MD5SUMbd16609fa1dd670f862cc5fd2d9f8fc4
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 benchmark5.00824
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 15
Number of bits of the biggest number in a constraint 4
Biggest sum of numbers in a constraint 1000
Number of bits of the biggest sum of numbers10
Number of products (including duplicates)74916
Sum of products size (including duplicates)149832
Number of different products37458
Sum of products size74916

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
0.79/0.89	c constraints 38460/0 clauses 37958/0 units 0
0.79/0.89	c vars 1000
17.09/17.18	c 16.0126 1056.03 33 38978
17.09/17.18	s SATISFIABLE
17.09/17.18	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 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-x853 -x854 -x855 -x856 -x857 -x858 -x859 -x860 -x861 -x862 -x863 -x864 -x865 -x866 -x867 -x868 -x869 -x870 -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-2667773-1276682669/watcher-2667773-1276682669 -o /tmp/evaluation-result-2667773-1276682669/solver-2667773-1276682669 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2667773-1276682669.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: 0.92 0.98 0.99 3/106 17242
/proc/meminfo: memFree=1815144/2059040 swapFree=4163504/4192956
[pid=17242] ppid=17240 vsize=2340 CPUtime=0
/proc/17242/stat : 17242 (pbct) R 17240 17242 15942 0 -1 4202496 302 0 0 0 0 0 0 0 20 0 1 0 9557907 2396160 225 1992294400 134512640 136485738 4288959952 18446744073709551615 135856892 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/17242/statm: 585 226 156 482 0 101 0

[startup+0.026575 s]
/proc/loadavg: 0.92 0.98 0.99 3/106 17242
/proc/meminfo: memFree=1815144/2059040 swapFree=4163504/4192956
[pid=17242] ppid=17240 vsize=2868 CPUtime=0.02
/proc/17242/stat : 17242 (pbct) R 17240 17242 15942 0 -1 4202496 420 0 0 0 2 0 0 0 20 0 1 0 9557907 2936832 343 1992294400 134512640 136485738 4288959952 18446744073709551615 135173621 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/17242/statm: 717 344 156 482 0 233 0
Current children cumulated CPU time (s) 0.02
Current children cumulated vsize (KiB) 2868

[startup+0.100582 s]
/proc/loadavg: 0.92 0.98 0.99 3/106 17242
/proc/meminfo: memFree=1815144/2059040 swapFree=4163504/4192956
[pid=17242] ppid=17240 vsize=4848 CPUtime=0.09
/proc/17242/stat : 17242 (pbct) R 17240 17242 15942 0 -1 4202496 922 0 0 0 9 0 0 0 20 0 1 0 9557907 4964352 845 1992294400 134512640 136485738 4288959952 18446744073709551615 135850441 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/17242/statm: 1212 845 156 482 0 728 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 4848

[startup+0.300601 s]
/proc/loadavg: 0.92 0.98 0.99 3/106 17242
/proc/meminfo: memFree=1815144/2059040 swapFree=4163504/4192956
[pid=17242] ppid=17240 vsize=10000 CPUtime=0.29
/proc/17242/stat : 17242 (pbct) R 17240 17242 15942 0 -1 4202496 2207 0 0 0 28 1 0 0 20 0 1 0 9557907 10240000 2130 1992294400 134512640 136485738 4288959952 18446744073709551615 135848395 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/17242/statm: 2500 2130 156 482 0 2016 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 10000

[startup+0.70064 s]
/proc/loadavg: 0.92 0.98 0.99 3/106 17242
/proc/meminfo: memFree=1815144/2059040 swapFree=4163504/4192956
[pid=17242] ppid=17240 vsize=20296 CPUtime=0.69
/proc/17242/stat : 17242 (pbct) R 17240 17242 15942 0 -1 4202496 4771 0 0 0 67 2 0 0 21 0 1 0 9557907 20783104 4694 1992294400 134512640 136485738 4288959952 18446744073709551615 135850441 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/17242/statm: 5074 4694 156 482 0 4590 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 20296

[startup+1.50072 s]
/proc/loadavg: 0.92 0.98 0.99 2/107 17243
/proc/meminfo: memFree=1781284/2059040 swapFree=4163504/4192956
[pid=17242] ppid=17240 vsize=81480 CPUtime=1.49
/proc/17242/stat : 17242 (pbct) R 17240 17242 15942 0 -1 4202496 20414 0 0 0 140 9 0 0 23 0 1 0 9557907 83435520 19832 1992294400 134512640 136485738 4288959952 18446744073709551615 135869175 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/17242/statm: 20370 19833 191 482 0 19886 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 81480

[startup+3.10087 s]
/proc/loadavg: 0.92 0.98 0.99 2/107 17243
/proc/meminfo: memFree=1687664/2059040 swapFree=4163504/4192956
[pid=17242] ppid=17240 vsize=198288 CPUtime=3.09
/proc/17242/stat : 17242 (pbct) R 17240 17242 15942 0 -1 4202496 51366 0 0 0 288 21 0 0 25 0 1 0 9557907 203046912 48434 1992294400 134512640 136485738 4288959952 18446744073709551615 135850441 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/17242/statm: 49572 48435 196 482 0 49088 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 198288

[startup+6.30118 s]
/proc/loadavg: 0.93 0.98 0.99 2/107 17243
/proc/meminfo: memFree=1490752/2059040 swapFree=4163504/4192956
[pid=17242] ppid=17240 vsize=378892 CPUtime=6.29
/proc/17242/stat : 17242 (pbct) R 17240 17242 15942 0 -1 4202496 100203 0 0 0 586 43 0 0 25 0 1 0 9557907 387985408 93553 1992294400 134512640 136485738 4288959952 18446744073709551615 135857078 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/17242/statm: 94723 93554 196 482 0 94239 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 378892

[startup+12.7008 s]
/proc/loadavg: 0.93 0.98 0.99 2/107 17243
/proc/meminfo: memFree=916632/2059040 swapFree=4163504/4192956
[pid=17242] ppid=17240 vsize=948588 CPUtime=12.68
/proc/17242/stat : 17242 (pbct) R 17240 17242 15942 0 -1 4202496 249205 0 0 0 1165 103 0 0 25 0 1 0 9557907 971354112 231350 1992294400 134512640 136485738 4288959952 18446744073709551615 134933068 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/17242/statm: 237147 231350 208 482 0 236663 0
Current children cumulated CPU time (s) 12.68
Current children cumulated vsize (KiB) 948588

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

[startup+19.1004 s]
/proc/loadavg: 0.94 0.98 0.99 2/107 17245
/proc/meminfo: memFree=834056/2059040 swapFree=4163504/4192956
[pid=17242] ppid=17240 vsize=998300 CPUtime=19.09
/proc/17242/stat : 17242 (pbct) R 17240 17242 15942 0 -1 4202496 284469 0 0 0 1791 118 0 0 25 0 1 0 9557907 1022259200 244758 1992294400 134512640 136485738 4288959952 18446744073709551615 134720107 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/17242/statm: 249575 244758 246 482 0 249091 0
Current children cumulated CPU time (s) 19.09
Current children cumulated vsize (KiB) 998300

[startup+20.7006 s]
/proc/loadavg: 0.94 0.98 0.99 2/107 17245
/proc/meminfo: memFree=834056/2059040 swapFree=4163504/4192956
[pid=17242] ppid=17240 vsize=998300 CPUtime=20.69
/proc/17242/stat : 17242 (pbct) R 17240 17242 15942 0 -1 4202496 284469 0 0 0 1951 118 0 0 25 0 1 0 9557907 1022259200 244758 1992294400 134512640 136485738 4288959952 18446744073709551615 135839991 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/17242/statm: 249575 244758 246 482 0 249091 0
Current children cumulated CPU time (s) 20.69
Current children cumulated vsize (KiB) 998300

[startup+21.5007 s]
/proc/loadavg: 0.94 0.98 0.99 2/107 17245
/proc/meminfo: memFree=834056/2059040 swapFree=4163504/4192956
[pid=17242] ppid=17240 vsize=995216 CPUtime=21.49
/proc/17242/stat : 17242 (pbct) R 17240 17242 15942 0 -1 4202496 284469 0 0 0 2031 118 0 0 25 0 1 0 9557907 1019101184 243987 1992294400 134512640 136485738 4288959952 18446744073709551615 135844708 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/17242/statm: 248804 243987 246 482 0 248320 0
Current children cumulated CPU time (s) 21.49
Current children cumulated vsize (KiB) 995216

[startup+21.9007 s]
/proc/loadavg: 0.94 0.98 0.99 2/107 17245
/proc/meminfo: memFree=875224/2059040 swapFree=4163504/4192956
[pid=17242] ppid=17240 vsize=939664 CPUtime=21.89
/proc/17242/stat : 17242 (pbct) R 17240 17242 15942 0 -1 4202496 284469 0 0 0 2071 118 0 0 25 0 1 0 9557907 962215936 234485 1992294400 134512640 136485738 4288959952 18446744073709551615 135839787 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/17242/statm: 234916 234485 246 482 0 234432 0
Current children cumulated CPU time (s) 21.89
Current children cumulated vsize (KiB) 939664

[startup+22.1007 s]
/proc/loadavg: 0.94 0.98 0.99 2/107 17245
/proc/meminfo: memFree=875224/2059040 swapFree=4163504/4192956
[pid=17242] ppid=17240 vsize=939664 CPUtime=22.08
/proc/17242/stat : 17242 (pbct) R 17240 17242 15942 0 -1 4202496 284469 0 0 0 2090 118 0 0 25 0 1 0 9557907 962215936 234485 1992294400 134512640 136485738 4288959952 18446744073709551615 135839796 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/17242/statm: 234916 234485 246 482 0 234432 0
Current children cumulated CPU time (s) 22.08
Current children cumulated vsize (KiB) 939664

[startup+22.2017 s]
/proc/loadavg: 0.94 0.98 0.99 2/107 17245
/proc/meminfo: memFree=875224/2059040 swapFree=4163504/4192956
[pid=17242] ppid=17240 vsize=0 CPUtime=22.18
/proc/17242/stat : 17242 (pbct) R 17240 17242 15942 0 -1 4202500 284470 0 0 0 2095 123 0 0 25 0 1 0 9557907 0 0 1992294400 0 0 0 0 0 0 0 4096 16387 18446744073709551615 0 0 17 1 0 0 0
/proc/17242/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 22.18
Current children cumulated vsize (KiB) 0

Child status: 0
Real time (s): 22.2401
CPU time (s): 22.2356
CPU user time (s): 20.9588
CPU system time (s): 1.27681
CPU usage (%): 99.9798
Max. virtual memory (cumulated for all children) (KiB): 1081368

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 20.9588
system time used= 1.2768
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 284470
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= 74

runsolver used 0.034994 second user time and 0.117982 second system time

The end

Launcher Data 

Begin job on node056 at 2010-06-16 12:04:30
IDJOB=2667773
IDBENCH=48361
IDSOLVER=1170
FILE ID=node056/2667773-1276682669
PBS_JOBID= 11172540
Free space on /tmp= 98636 MiB

SOLVER NAME= PB/CT 0.1
BENCH NAME= PB07/normalized-PB07/SATUNSAT-SMALLINT-NLC/submittedPB07/manquinho/dbsg/normalized-dbsg_500_60_4_15.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2667773-1276682669/watcher-2667773-1276682669 -o /tmp/evaluation-result-2667773-1276682669/solver-2667773-1276682669 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2667773-1276682669.opb

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

MD5SUM BENCH= bd16609fa1dd670f862cc5fd2d9f8fc4
RANDOM SEED=246754556

node056.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	: 5599.47
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1815548 kB
Buffers:         37208 kB
Cached:          87080 kB
SwapCached:      12596 kB
Active:          87488 kB
Inactive:        79264 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1815548 kB
SwapTotal:     4192956 kB
SwapFree:      4163504 kB
Dirty:            2896 kB
Writeback:           0 kB
AnonPages:       30204 kB
Mapped:          14040 kB
Slab:            54736 kB
PageTables:       4036 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   180472 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= 98636 MiB
End job on node056 at 2010-06-16 12:04:52