Trace number 310999

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
DEWSATZ 2007-02-08SAT 194.782 194.856

General information on the benchmark

Namerandom/2+p/p0.8/v1295/
unif2p-p0.8-v1295-c4027-S1679085272-10-SAT.cnf
MD5SUM9f390533642969c6fa22110646f07992
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.154976
Satisfiable
(Un)Satisfiability was proved
Number of variables1295
Number of clauses4026
Sum of the clauses size11273
Maximum clause length3
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 2805
Number of clauses of size 33221
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data (download as text)

194.67/194.85	c   
194.67/194.85	c =====================================================================================================
194.67/194.85	c Copyright (c) 2004 National ICT Australia Limited (NICTA) and applicable third parties.
194.67/194.85	c For details, see the Australian Public Licence B (OZPLB) V1-1, under which this software is licensed.
194.67/194.85	c The OZPLB text is embedded in the source code for this software.
194.67/194.85	c =====================================================================================================
194.67/194.85	c   
194.67/194.85	c solution of Dew_Satz_1e.c 
194.67/194.85	s SATISFIABLE
194.67/194.85	v -1 2 -3 4 5 6 7 8 -9 -10 -11 12 13 -14 -15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 -30 -31 -32 33 34 35 -36 -37 -38 39 40 41 -42 43 -44 45 -46 47 -48 -49 -50 -51 -52 -53 54 55 -56 -57 58 59 -60 61 -62 63 64 -65 66 -67 -68 -69 -70 -71 -72 73 74 -75 -76 -77 78 -79 80 -81 -82 83 -84 85 -86 -87 88 -89 90 91 -92 93 -94 95 -96 97 98 -99 100 101 -102 103 -104 105 106 107 -108 109 -110 111 112 113 114 115 -116 117 -118 119 -120 121 -122 -123 124 -125 -126 -127 128 -129 130 -131 -132 133 -134 -135 136 -137 138 -139 140 -141 -142 143 144 145 -146 147 -148 -149 150 151 152 153 -154 -155 -156 -157 158 -159 160 161 162 -163 -164 165 166 -167 168 169 -170 171 -172 173 174 175 176 -177 178 -179 -180 -181 -182 -183 184 185 -186 187 -188 189 -190 -191 192 193 -194 195 -196 -197 -198 -199 -200 201 -202 -203 -204 -205 -206 207 -208 209 -210 -211 212 213 214 215 216 -217 218 -219 220 -221 -222 223 224 -225 226 -227 228 -229 230 -231 -232 233 -234 -235 -236 -237 -238 -239 -240 241 242 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-1291 1292 1293 1294 1295 0 
194.67/194.85	c Dew_Satz_1e /tmp/evaluation/310999-1172563696/instance-310999-1172563696.cnf 1 194.790  0.040 11695 11695 0 11695 11717 78376110 1857336 12138770 1316102 4053 4053 1295 0 1295

Verifier Data (download as text)

OK

Watcher Data (download as text)

runsolver version 3.2.0 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node9/watcher-310999-1172563696 -o ROOT/results/node9/solver-310999-1172563696 -C 1200 -M 1800 --output-limit 1,15 /tmp/evaluation/310999-1172563696/dewSatz /tmp/evaluation/310999-1172563696/instance-310999-1172563696.cnf 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 1200 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 1230 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: 1.00 1.00 0.99 3/77 20847
/proc/meminfo: memFree=1565240/2055920 swapFree=4192812/4192956
[pid=20847] ppid=20845 vsize=690016 CPUtime=0
/proc/20847/stat : 20847 (dewSatz) R 20845 20847 19488 0 -1 4194304 95 0 0 0 0 0 0 0 18 0 1 0 276324194 706576384 79 18446744073709551615 134512640 134923568 4294956704 18446744073709551615 134574791 0 0 4096 0 0 0 0 17 1 0 0
/proc/20847/statm: 172504 79 39 100 0 172401 0

[startup+0.106893 s]
/proc/loadavg: 1.00 1.00 0.99 3/77 20847
/proc/meminfo: memFree=1565240/2055920 swapFree=4192812/4192956
[pid=20847] ppid=20845 vsize=690288 CPUtime=0.09
/proc/20847/stat : 20847 (dewSatz) R 20845 20847 19488 0 -1 4194304 10016 0 0 0 9 0 0 0 18 0 1 0 276324194 706854912 222 18446744073709551615 134512640 134923568 4294956704 18446744073709551615 134530224 0 0 4096 0 0 0 0 17 1 0 0
/proc/20847/statm: 172572 222 43 100 0 172469 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 690288

[startup+0.51497 s]
/proc/loadavg: 1.00 1.00 0.99 3/77 20847
/proc/meminfo: memFree=1565240/2055920 swapFree=4192812/4192956
[pid=20847] ppid=20845 vsize=690288 CPUtime=0.5
/proc/20847/stat : 20847 (dewSatz) R 20845 20847 19488 0 -1 4194304 10018 0 0 0 50 0 0 0 22 0 1 0 276324194 706854912 224 18446744073709551615 134512640 134923568 4294956704 18446744073709551615 134531730 0 0 4096 0 0 0 0 17 1 0 0
/proc/20847/statm: 172572 224 43 100 0 172469 0
Current children cumulated CPU time (s) 0.5
Current children cumulated vsize (KiB) 690288

[startup+1.33814 s]
/proc/loadavg: 1.00 1.00 0.99 2/78 20848
/proc/meminfo: memFree=1564272/2055920 swapFree=4192812/4192956
[pid=20847] ppid=20845 vsize=690288 CPUtime=1.32
/proc/20847/stat : 20847 (dewSatz) R 20845 20847 19488 0 -1 4194304 10018 0 0 0 132 0 0 0 25 0 1 0 276324194 706854912 224 18446744073709551615 134512640 134923568 4294956704 18446744073709551615 134531785 0 0 4096 0 0 0 0 17 1 0 0
/proc/20847/statm: 172572 224 43 100 0 172469 0
Current children cumulated CPU time (s) 1.32
Current children cumulated vsize (KiB) 690288

[startup+2.97445 s]
/proc/loadavg: 1.00 1.00 0.99 2/78 20848
/proc/meminfo: memFree=1564144/2055920 swapFree=4192812/4192956
[pid=20847] ppid=20845 vsize=690288 CPUtime=2.96
/proc/20847/stat : 20847 (dewSatz) R 20845 20847 19488 0 -1 4194304 10018 0 0 0 296 0 0 0 25 0 1 0 276324194 706854912 224 18446744073709551615 134512640 134923568 4294956704 18446744073709551615 134532582 0 0 4096 0 0 0 0 17 1 0 0
/proc/20847/statm: 172572 224 43 100 0 172469 0
Current children cumulated CPU time (s) 2.96
Current children cumulated vsize (KiB) 690288

[startup+6.25208 s]
/proc/loadavg: 1.00 1.00 0.99 2/78 20848
/proc/meminfo: memFree=1564080/2055920 swapFree=4192812/4192956
[pid=20847] ppid=20845 vsize=690288 CPUtime=6.23
/proc/20847/stat : 20847 (dewSatz) R 20845 20847 19488 0 -1 4194304 10018 0 0 0 623 0 0 0 25 0 1 0 276324194 706854912 224 18446744073709551615 134512640 134923568 4294956704 18446744073709551615 134526510 0 0 4096 0 0 0 0 17 1 0 0
/proc/20847/statm: 172572 224 43 100 0 172469 0
Current children cumulated CPU time (s) 6.23
Current children cumulated vsize (KiB) 690288

[startup+12.7083 s]
/proc/loadavg: 1.00 1.00 0.99 2/78 20848
/proc/meminfo: memFree=1564024/2055920 swapFree=4192812/4192956
[pid=20847] ppid=20845 vsize=690288 CPUtime=12.69
/proc/20847/stat : 20847 (dewSatz) R 20845 20847 19488 0 -1 4194304 10019 0 0 0 1269 0 0 0 25 0 1 0 276324194 706854912 225 18446744073709551615 134512640 134923568 4294956704 18446744073709551615 134532477 0 0 4096 0 0 0 0 17 1 0 0
/proc/20847/statm: 172572 225 43 100 0 172469 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 690288

[startup+25.5088 s]
/proc/loadavg: 1.00 1.00 0.99 2/78 20848
/proc/meminfo: memFree=1564088/2055920 swapFree=4192812/4192956
[pid=20847] ppid=20845 vsize=690288 CPUtime=25.48
/proc/20847/stat : 20847 (dewSatz) R 20845 20847 19488 0 -1 4194304 10019 0 0 0 2548 0 0 0 25 0 1 0 276324194 706854912 225 18446744073709551615 134512640 134923568 4294956704 18446744073709551615 134527584 0 0 4096 0 0 0 0 17 1 0 0
/proc/20847/statm: 172572 225 43 100 0 172469 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 690288

[startup+51.1217 s]
/proc/loadavg: 1.00 1.00 0.99 2/78 20848
/proc/meminfo: memFree=1564088/2055920 swapFree=4192812/4192956
[pid=20847] ppid=20845 vsize=690288 CPUtime=51.1
/proc/20847/stat : 20847 (dewSatz) R 20845 20847 19488 0 -1 4194304 10021 0 0 0 5109 1 0 0 25 0 1 0 276324194 706854912 227 18446744073709551615 134512640 134923568 4294956704 18446744073709551615 134527300 0 0 4096 0 0 0 0 17 1 0 0
/proc/20847/statm: 172572 227 43 100 0 172469 0
Current children cumulated CPU time (s) 51.1
Current children cumulated vsize (KiB) 690288

[startup+102.342 s]
/proc/loadavg: 1.00 1.00 0.99 2/78 20848
/proc/meminfo: memFree=1564024/2055920 swapFree=4192812/4192956
[pid=20847] ppid=20845 vsize=690288 CPUtime=102.29
/proc/20847/stat : 20847 (dewSatz) R 20845 20847 19488 0 -1 4194304 10021 0 0 0 10228 1 0 0 25 0 1 0 276324194 706854912 227 18446744073709551615 134512640 134923568 4294956704 18446744073709551615 134535379 0 0 4096 0 0 0 0 17 1 0 0
/proc/20847/statm: 172572 227 43 100 0 172469 0
Current children cumulated CPU time (s) 102.29
Current children cumulated vsize (KiB) 690288

[startup+162.377 s]
/proc/loadavg: 1.00 1.00 0.99 2/78 20848
/proc/meminfo: memFree=1564024/2055920 swapFree=4192812/4192956
[pid=20847] ppid=20845 vsize=690288 CPUtime=162.31
/proc/20847/stat : 20847 (dewSatz) R 20845 20847 19488 0 -1 4194304 10021 0 0 0 16230 1 0 0 25 0 1 0 276324194 706854912 227 18446744073709551615 134512640 134923568 4294956704 18446744073709551615 134533059 0 0 4096 0 0 0 0 17 1 0 0
/proc/20847/statm: 172572 227 43 100 0 172469 0
Current children cumulated CPU time (s) 162.31
Current children cumulated vsize (KiB) 690288

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

[startup+170.473 s]
/proc/loadavg: 1.00 1.00 0.99 2/78 20848
/proc/meminfo: memFree=1564024/2055920 swapFree=4192812/4192956
[pid=20847] ppid=20845 vsize=690288 CPUtime=170.4
/proc/20847/stat : 20847 (dewSatz) R 20845 20847 19488 0 -1 4194304 10021 0 0 0 17039 1 0 0 25 0 1 0 276324194 706854912 227 18446744073709551615 134512640 134923568 4294956704 18446744073709551615 134531998 0 0 4096 0 0 0 0 17 1 0 0
/proc/20847/statm: 172572 227 43 100 0 172469 0
Current children cumulated CPU time (s) 170.4
Current children cumulated vsize (KiB) 690288

[startup+183.582 s]
/proc/loadavg: 1.00 1.00 0.99 2/78 20848
/proc/meminfo: memFree=1564024/2055920 swapFree=4192812/4192956
[pid=20847] ppid=20845 vsize=690288 CPUtime=183.5
/proc/20847/stat : 20847 (dewSatz) R 20845 20847 19488 0 -1 4194304 10021 0 0 0 18349 1 0 0 25 0 1 0 276324194 706854912 227 18446744073709551615 134512640 134923568 4294956704 18446744073709551615 134533237 0 0 4096 0 0 0 0 17 1 0 0
/proc/20847/statm: 172572 227 43 100 0 172469 0
Current children cumulated CPU time (s) 183.5
Current children cumulated vsize (KiB) 690288

[startup+190.143 s]
/proc/loadavg: 1.00 1.00 0.99 2/78 20848
/proc/meminfo: memFree=1564024/2055920 swapFree=4192812/4192956
[pid=20847] ppid=20845 vsize=690288 CPUtime=190.06
/proc/20847/stat : 20847 (dewSatz) R 20845 20847 19488 0 -1 4194304 10021 0 0 0 19005 1 0 0 25 0 1 0 276324194 706854912 227 18446744073709551615 134512640 134923568 4294956704 18446744073709551615 134531875 0 0 4096 0 0 0 0 17 1 0 0
/proc/20847/statm: 172572 227 43 100 0 172469 0
Current children cumulated CPU time (s) 190.06
Current children cumulated vsize (KiB) 690288

[startup+193.419 s]
/proc/loadavg: 1.00 1.00 0.99 2/78 20848
/proc/meminfo: memFree=1564024/2055920 swapFree=4192812/4192956
[pid=20847] ppid=20845 vsize=690288 CPUtime=193.34
/proc/20847/stat : 20847 (dewSatz) R 20845 20847 19488 0 -1 4194304 10021 0 0 0 19333 1 0 0 25 0 1 0 276324194 706854912 227 18446744073709551615 134512640 134923568 4294956704 18446744073709551615 134531768 0 0 4096 0 0 0 0 17 1 0 0
/proc/20847/statm: 172572 227 43 100 0 172469 0
Current children cumulated CPU time (s) 193.34
Current children cumulated vsize (KiB) 690288

[startup+194.241 s]
/proc/loadavg: 1.00 1.00 0.99 2/78 20848
/proc/meminfo: memFree=1564024/2055920 swapFree=4192812/4192956
[pid=20847] ppid=20845 vsize=690288 CPUtime=194.16
/proc/20847/stat : 20847 (dewSatz) R 20845 20847 19488 0 -1 4194304 10021 0 0 0 19415 1 0 0 25 0 1 0 276324194 706854912 227 18446744073709551615 134512640 134923568 4294956704 18446744073709551615 134531650 0 0 4096 0 0 0 0 17 1 0 0
/proc/20847/statm: 172572 227 43 100 0 172469 0
Current children cumulated CPU time (s) 194.16
Current children cumulated vsize (KiB) 690288

[startup+194.65 s]
/proc/loadavg: 1.00 1.00 0.99 2/78 20848
/proc/meminfo: memFree=1564024/2055920 swapFree=4192812/4192956
[pid=20847] ppid=20845 vsize=690288 CPUtime=194.57
/proc/20847/stat : 20847 (dewSatz) R 20845 20847 19488 0 -1 4194304 10021 0 0 0 19456 1 0 0 25 0 1 0 276324194 706854912 227 18446744073709551615 134512640 134923568 4294956704 18446744073709551615 134527461 0 0 4096 0 0 0 0 17 1 0 0
/proc/20847/statm: 172572 227 43 100 0 172469 0
Current children cumulated CPU time (s) 194.57
Current children cumulated vsize (KiB) 690288

[startup+194.854 s]
/proc/loadavg: 1.00 1.00 0.99 2/78 20848
/proc/meminfo: memFree=1564024/2055920 swapFree=4192812/4192956
[pid=20847] ppid=20845 vsize=0 CPUtime=194.77
/proc/20847/stat : 20847 (dewSatz) R 20845 20847 19488 0 -1 4194308 10036 0 0 0 19476 1 0 0 16 0 1 0 276324194 0 0 18446744073709551615 0 0 0 0 0 0 0 4096 0 0 0 0 17 1 0 0
/proc/20847/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 194.77
Current children cumulated vsize (KiB) 0

Child status: 10
Real time (s): 194.856
CPU time (s): 194.782
CPU user time (s): 194.765
CPU system time (s): 0.016997
CPU usage (%): 99.9622
Max. virtual memory (cumulated for all children) (KiB): 690288

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 194.765
system time used= 0.016997
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 10036
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= 9
involuntary context switches= 3972

runsolver used 0.249962 second user time and 0.444932 second system time

The end

Launcher Data (download as text)

Begin job on node9 on Tue Feb 27 08:08:16 UTC 2007

IDJOB= 310999
IDBENCH= 20302
IDSOLVER= 119
FILE ID= node9/310999-1172563696

PBS_JOBID= 3971658

Free space on /tmp= 66559 MiB

SOLVER NAME= DEWSATZ 2007-02-08
BENCH NAME= HOME/pub/bench/SAT07/random/2+p/p0.8/v1295/unif2p-p0.8-v1295-c4027-S1679085272-10-SAT.cnf
COMMAND LINE= /tmp/evaluation/310999-1172563696/dewSatz /tmp/evaluation/310999-1172563696/instance-310999-1172563696.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node9/watcher-310999-1172563696 -o ROOT/results/node9/solver-310999-1172563696 -C 1200 -M 1800 --output-limit 1,15  /tmp/evaluation/310999-1172563696/dewSatz /tmp/evaluation/310999-1172563696/instance-310999-1172563696.cnf            

META MD5SUM SOLVER= 96edd87e369231aed4bad098c50e0080
MD5SUM BENCH=  9f390533642969c6fa22110646f07992

RANDOM SEED= 350712050

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node9.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		: 3000.263
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		: 3000.263
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:       1565648 kB
Buffers:         52308 kB
Cached:         312852 kB
SwapCached:          0 kB
Active:         260456 kB
Inactive:       159424 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1565648 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:             996 kB
Writeback:           0 kB
Mapped:          73596 kB
Slab:            55956 kB
Committed_AS:  1225252 kB
PageTables:       1688 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= 66559 MiB

End job on node9 on Tue Feb 27 08:11:31 UTC 2007