Trace number 1825873

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
SATzilla2009_C 2009-03-22SAT 1.39879 1.39901

General information on the benchmark

NameCRAFTED/parity-games/
instance_n4_i4_pp.cnf
MD5SUMd35b54498d8d9672e60bf7e3ce33352b
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.041993
Satisfiable
(Un)Satisfiability was proved
Number of variables1572
Number of clauses9007
Sum of the clauses size28496
Maximum clause length12
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 22356
Number of clauses of size 33596
Number of clauses of size 42300
Number of clauses of size 5752
Number of clauses of size over 53

Solver Data

1.29/1.39	c SATzilla is building models for class 2
1.29/1.39	c run presolver march_dl2004 for 5 seconds ... 
1.29/1.39	c Bin: Executing march_dl2004
1.29/1.39	c spawning binary file with 5 seconds ...
1.29/1.39	c child exited successfully
1.29/1.39	c march_dl2004 returned code 10.
1.29/1.39	s SATISFIABLE
1.29/1.39	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 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1.29/1.39	c SATZILLA_TIME=1.390000

Verifier Data

OK

Watcher Data

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1825873-1242518033/watcher-1825873-1242518033 -o /tmp/evaluation-result-1825873-1242518033/solver-1825873-1242518033 -C 5000 -W 6000 -M 1800 HOME/SATzilla2009_C HOME/instance-1825873-1242518033.cnf 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 5000 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 5030 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 6000 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: 1.07 1.02 0.94 3/64 7206
/proc/meminfo: memFree=1095976/2055920 swapFree=4176708/4192956
[pid=7206] ppid=7204 vsize=2056 CPUtime=0
/proc/7206/stat : 7206 (SATzilla2009_C) S 7204 7206 6860 0 -1 4194304 132 0 0 0 0 0 0 0 18 0 1 0 279830406 2105344 112 1992294400 134512640 136149437 4294956224 18446744073709551615 135542781 0 0 4096 0 18446744071563356171 0 0 17 0 0 0
/proc/7206/statm: 514 112 96 399 0 111 0
[pid=7207] ppid=7206 vsize=768 CPUtime=0
/proc/7207/stat : 7207 (march_dl2004) R 7206 7206 6860 0 -1 4194304 111 0 0 0 0 0 0 0 19 0 1 0 279830406 786432 106 1992294400 134512640 134996440 4294956192 18446744073709551615 134669245 0 0 8392704 0 0 0 0 17 0 0 0
/proc/7207/statm: 192 107 50 118 0 71 0

[startup+0.0562339 s]
/proc/loadavg: 1.07 1.02 0.94 3/64 7206
/proc/meminfo: memFree=1095976/2055920 swapFree=4176708/4192956
[pid=7206] ppid=7204 vsize=2056 CPUtime=0
/proc/7206/stat : 7206 (SATzilla2009_C) S 7204 7206 6860 0 -1 4194304 132 0 0 0 0 0 0 0 18 0 1 0 279830406 2105344 112 1992294400 134512640 136149437 4294956224 18446744073709551615 135542781 0 0 4096 0 18446744071563356171 0 0 17 0 0 0
/proc/7206/statm: 514 112 96 399 0 111 0
[pid=7207] ppid=7206 vsize=1384 CPUtime=0.05
/proc/7207/stat : 7207 (march_dl2004) R 7206 7206 6860 0 -1 4194304 273 0 0 0 5 0 0 0 19 0 1 0 279830406 1417216 254 1992294400 134512640 134996440 4294956192 18446744073709551615 134652240 0 0 8392704 0 0 0 0 17 0 0 0
/proc/7207/statm: 346 254 57 118 0 225 0
Current children cumulated CPU time (s) 0.05
Current children cumulated vsize (KiB) 3440

[startup+0.102236 s]
/proc/loadavg: 1.07 1.02 0.94 3/64 7206
/proc/meminfo: memFree=1095976/2055920 swapFree=4176708/4192956
[pid=7206] ppid=7204 vsize=2056 CPUtime=0
/proc/7206/stat : 7206 (SATzilla2009_C) S 7204 7206 6860 0 -1 4194304 132 0 0 0 0 0 0 0 18 0 1 0 279830406 2105344 112 1992294400 134512640 136149437 4294956224 18446744073709551615 135542781 0 0 4096 0 18446744071563356171 0 0 17 0 0 0
/proc/7206/statm: 514 112 96 399 0 111 0
[pid=7207] ppid=7206 vsize=1984 CPUtime=0.09
/proc/7207/stat : 7207 (march_dl2004) R 7206 7206 6860 0 -1 4194304 423 0 0 0 9 0 0 0 20 0 1 0 279830406 2031616 404 1992294400 134512640 134996440 4294956192 18446744073709551615 134543113 0 0 8392704 0 0 0 0 17 0 0 0
/proc/7207/statm: 496 404 69 118 0 375 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 4040

[startup+0.302256 s]
/proc/loadavg: 1.07 1.02 0.94 3/64 7206
/proc/meminfo: memFree=1095976/2055920 swapFree=4176708/4192956
[pid=7206] ppid=7204 vsize=2056 CPUtime=0
/proc/7206/stat : 7206 (SATzilla2009_C) S 7204 7206 6860 0 -1 4194304 132 0 0 0 0 0 0 0 18 0 1 0 279830406 2105344 112 1992294400 134512640 136149437 4294956224 18446744073709551615 135542781 0 0 4096 0 18446744071563356171 0 0 17 0 0 0
/proc/7206/statm: 514 112 96 399 0 111 0
[pid=7207] ppid=7206 vsize=4736 CPUtime=0.29
/proc/7207/stat : 7207 (march_dl2004) R 7206 7206 6860 0 -1 4194304 1096 0 0 0 29 0 0 0 22 0 1 0 279830406 4849664 1076 1992294400 134512640 134996440 4294956192 18446744073709551615 134533707 0 0 8392704 0 0 0 0 17 0 0 0
/proc/7207/statm: 1184 1076 73 118 0 1063 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 6792

[startup+0.702294 s]
/proc/loadavg: 1.07 1.02 0.94 3/64 7206
/proc/meminfo: memFree=1095976/2055920 swapFree=4176708/4192956
[pid=7206] ppid=7204 vsize=2056 CPUtime=0
/proc/7206/stat : 7206 (SATzilla2009_C) S 7204 7206 6860 0 -1 4194304 132 0 0 0 0 0 0 0 18 0 1 0 279830406 2105344 112 1992294400 134512640 136149437 4294956224 18446744073709551615 135542781 0 0 4096 0 18446744071563356171 0 0 17 0 0 0
/proc/7206/statm: 514 112 96 399 0 111 0
[pid=7207] ppid=7206 vsize=4736 CPUtime=0.69
/proc/7207/stat : 7207 (march_dl2004) R 7206 7206 6860 0 -1 4194304 1096 0 0 0 69 0 0 0 25 0 1 0 279830406 4849664 1076 1992294400 134512640 134996440 4294956192 18446744073709551615 134533703 0 0 8392704 0 0 0 0 17 0 0 0
/proc/7207/statm: 1184 1076 73 118 0 1063 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 6792

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

[startup+1.10633 s]
/proc/loadavg: 1.07 1.02 0.94 2/66 7208
/proc/meminfo: memFree=1091800/2055920 swapFree=4176708/4192956
[pid=7206] ppid=7204 vsize=2056 CPUtime=0
/proc/7206/stat : 7206 (SATzilla2009_C) S 7204 7206 6860 0 -1 4194304 132 0 0 0 0 0 0 0 18 0 1 0 279830406 2105344 112 1992294400 134512640 136149437 4294956224 18446744073709551615 135542781 0 0 4096 0 18446744071563356171 0 0 17 0 0 0
/proc/7206/statm: 514 112 96 399 0 111 0
[pid=7207] ppid=7206 vsize=4784 CPUtime=1.09
/proc/7207/stat : 7207 (march_dl2004) R 7206 7206 6860 0 -1 4194304 1373 0 0 0 109 0 0 0 25 0 1 0 279830406 4898816 1083 1992294400 134512640 134996440 4294956192 18446744073709551615 134513791 0 0 8392704 0 0 0 0 17 0 0 0
/proc/7207/statm: 1196 1083 75 118 0 1075 0
Current children cumulated CPU time (s) 1.09
Current children cumulated vsize (KiB) 6840

[startup+1.30236 s]
/proc/loadavg: 1.07 1.02 0.94 2/66 7208
/proc/meminfo: memFree=1091800/2055920 swapFree=4176708/4192956
[pid=7206] ppid=7204 vsize=2056 CPUtime=0
/proc/7206/stat : 7206 (SATzilla2009_C) S 7204 7206 6860 0 -1 4194304 132 0 0 0 0 0 0 0 18 0 1 0 279830406 2105344 112 1992294400 134512640 136149437 4294956224 18446744073709551615 135542781 0 0 4096 0 18446744071563356171 0 0 17 0 0 0
/proc/7206/statm: 514 112 96 399 0 111 0
[pid=7207] ppid=7206 vsize=4784 CPUtime=1.29
/proc/7207/stat : 7207 (march_dl2004) R 7206 7206 6860 0 -1 4194304 1374 0 0 0 129 0 0 0 25 0 1 0 279830406 4898816 1084 1992294400 134512640 134996440 4294956192 18446744073709551615 134532986 0 0 8392704 0 0 0 0 17 0 0 0
/proc/7207/statm: 1196 1084 75 118 0 1075 0
Current children cumulated CPU time (s) 1.29
Current children cumulated vsize (KiB) 6840

Child status: 10
Real time (s): 1.39901
CPU time (s): 1.39879
CPU user time (s): 1.38779
CPU system time (s): 0.010998
CPU usage (%): 99.9838
Max. virtual memory (cumulated for all children) (KiB): 6840

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.38779
system time used= 0.010998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1541
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= 8
involuntary context switches= 7

runsolver used 0.001999 second user time and 0.010998 second system time

The end

Launcher Data

Begin job on node61 at 2009-05-17 01:53:53
IDJOB=1825873
IDBENCH=71627
IDSOLVER=668
FILE ID=node61/1825873-1242518033
PBS_JOBID= 9307057
Free space on /tmp= 66264 MiB

SOLVER NAME= SATzilla2009_C 2009-03-22
BENCH NAME= SAT09/CRAFTED/parity-games/instance_n4_i4_pp.cnf
COMMAND LINE= HOME/SATzilla2009_C BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1825873-1242518033/watcher-1825873-1242518033 -o /tmp/evaluation-result-1825873-1242518033/solver-1825873-1242518033 -C 5000 -W 6000 -M 1800  HOME/SATzilla2009_C HOME/instance-1825873-1242518033.cnf

TIME LIMIT= 5000 seconds
MEMORY LIMIT= 1800 MiB
MAX NB THREAD= 0

MD5SUM BENCH= d35b54498d8d9672e60bf7e3ce33352b
RANDOM SEED=1264035892

node61.alineos.net Linux 2.6.9-22.EL.rootsmp #1 SMP Mon Oct 3 08:59:52 CEST 2005

/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		: 3000.216
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		: 3000.216
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:       1096456 kB
Buffers:         74744 kB
Cached:         794588 kB
SwapCached:      10452 kB
Active:         226860 kB
Inactive:       655296 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1096456 kB
SwapTotal:     4192956 kB
SwapFree:      4176708 kB
Dirty:           32000 kB
Writeback:           0 kB
Mapped:          13804 kB
Slab:            63412 kB
Committed_AS:  1001900 kB
PageTables:       1368 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264884 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 66232 MiB
End job on node61 at 2009-05-17 01:53:54