Trace number 1725626

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
HydraSAT 2009-03-22-BaseSAT 2.55461 2.55585

General information on the benchmark

Namecrafted/Medium/contest05/others/
QG7a-gensys-brn004.sat05-3669.reshuffled-07.cnf
MD5SUM51245c7b8edb32c4dbd94daf982c00d7
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark1.72974
Satisfiable
(Un)Satisfiability was proved
Number of variables2435
Number of clauses16016
Sum of the clauses size112873
Maximum clause length13
Minimum clause length1
Number of clauses of size 135
Number of clauses of size 2385
Number of clauses of size 32207
Number of clauses of size 4298
Number of clauses of size 5447
Number of clauses of size over 512644

Solver Data 

2.49/2.55	
2.49/2.55	c decisions : 66297
2.49/2.55	c conflicts : 26730
2.49/2.55	c Memory limit 1620 MiB
2.49/2.55	c RANDOM SEED: 352854770
2.49/2.55	s SATISFIABLE
2.49/2.55	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 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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-1725626-1240705805/watcher-1725626-1240705805 -o /tmp/evaluation-result-1725626-1240705805/solver-1725626-1240705805 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/hydrasat HOME/instance-1725626-1240705805.cnf -rs 352854770 -co memory_limit 1800 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 1200 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 1230 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 1800 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: 1.36 1.62 1.40 3/65 3376
/proc/meminfo: memFree=1566160/2055920 swapFree=4192952/4192956
[pid=3376] ppid=3374 vsize=1768 CPUtime=0
/proc/3376/stat : 3376 (hydrasat) R 3374 3376 3223 0 -1 4194304 211 0 0 0 0 0 0 0 20 0 1 0 98609508 1810432 195 1992294400 134512640 135997824 4294956160 18446744073709551615 135371350 0 0 4096 1 0 0 0 17 1 0 0
/proc/3376/statm: 442 195 151 362 0 77 0

[startup+0.0434489 s]
/proc/loadavg: 1.36 1.62 1.40 3/65 3376
/proc/meminfo: memFree=1566160/2055920 swapFree=4192952/4192956
[pid=3376] ppid=3374 vsize=2700 CPUtime=0.04
/proc/3376/stat : 3376 (hydrasat) R 3374 3376 3223 0 -1 4194304 467 0 0 0 4 0 0 0 20 0 1 0 98609508 2764800 451 1992294400 134512640 135997824 4294956160 18446744073709551615 135371350 0 0 4096 1 0 0 0 17 1 0 0
/proc/3376/statm: 675 452 155 362 0 310 0
Current children cumulated CPU time (s) 0.04
Current children cumulated vsize (KiB) 2700

[startup+0.101455 s]
/proc/loadavg: 1.36 1.62 1.40 3/65 3376
/proc/meminfo: memFree=1566160/2055920 swapFree=4192952/4192956
[pid=3376] ppid=3374 vsize=3668 CPUtime=0.09
/proc/3376/stat : 3376 (hydrasat) R 3374 3376 3223 0 -1 4194304 690 0 0 0 9 0 0 0 20 0 1 0 98609508 3756032 674 1992294400 134512640 135997824 4294956160 18446744073709551615 134695407 0 0 4096 1 0 0 0 17 1 0 0
/proc/3376/statm: 917 674 158 362 0 552 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 3668

[startup+0.301477 s]
/proc/loadavg: 1.36 1.62 1.40 3/65 3376
/proc/meminfo: memFree=1566160/2055920 swapFree=4192952/4192956
[pid=3376] ppid=3374 vsize=4056 CPUtime=0.29
/proc/3376/stat : 3376 (hydrasat) R 3374 3376 3223 0 -1 4194304 802 0 0 0 29 0 0 0 22 0 1 0 98609508 4153344 785 1992294400 134512640 135997824 4294956160 18446744073709551615 134588003 0 0 4096 1 0 0 0 17 1 0 0
/proc/3376/statm: 1014 785 174 362 0 649 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 4056

[startup+0.701521 s]
/proc/loadavg: 1.36 1.62 1.40 3/65 3376
/proc/meminfo: memFree=1566160/2055920 swapFree=4192952/4192956
[pid=3376] ppid=3374 vsize=4316 CPUtime=0.69
/proc/3376/stat : 3376 (hydrasat) R 3374 3376 3223 0 -1 4194304 865 0 0 0 69 0 0 0 25 0 1 0 98609508 4419584 848 1992294400 134512640 135997824 4294956160 18446744073709551615 134757955 0 0 4096 1 0 0 0 17 1 0 0
/proc/3376/statm: 1079 848 174 362 0 714 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 4316

[startup+1.50161 s]
/proc/loadavg: 1.36 1.62 1.40 2/66 3377
/proc/meminfo: memFree=1563208/2055920 swapFree=4192952/4192956
[pid=3376] ppid=3374 vsize=4840 CPUtime=1.49
/proc/3376/stat : 3376 (hydrasat) R 3374 3376 3223 0 -1 4194304 995 0 0 0 149 0 0 0 25 0 1 0 98609508 4956160 978 1992294400 134512640 135997824 4294956160 18446744073709551615 134817233 0 0 4096 1 0 0 0 17 1 0 0
/proc/3376/statm: 1210 978 174 362 0 845 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 4840

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

[startup+2.3017 s]
/proc/loadavg: 1.36 1.62 1.40 2/66 3377
/proc/meminfo: memFree=1562312/2055920 swapFree=4192952/4192956
[pid=3376] ppid=3374 vsize=5360 CPUtime=2.29
/proc/3376/stat : 3376 (hydrasat) R 3374 3376 3223 0 -1 4194304 1133 0 0 0 229 0 0 0 25 0 1 0 98609508 5488640 1116 1992294400 134512640 135997824 4294956160 18446744073709551615 134757828 0 0 4096 1 0 0 0 17 1 0 0
/proc/3376/statm: 1340 1116 174 362 0 975 0
Current children cumulated CPU time (s) 2.29
Current children cumulated vsize (KiB) 5360

[startup+2.50172 s]
/proc/loadavg: 1.36 1.62 1.40 2/66 3377
/proc/meminfo: memFree=1562312/2055920 swapFree=4192952/4192956
[pid=3376] ppid=3374 vsize=5624 CPUtime=2.49
/proc/3376/stat : 3376 (hydrasat) R 3374 3376 3223 0 -1 4194304 1180 0 0 0 249 0 0 0 25 0 1 0 98609508 5758976 1163 1992294400 134512640 135997824 4294956160 18446744073709551615 134850658 0 0 4096 1 0 0 0 17 1 0 0
/proc/3376/statm: 1406 1163 174 362 0 1041 0
Current children cumulated CPU time (s) 2.49
Current children cumulated vsize (KiB) 5624

Child status: 10
Real time (s): 2.55585
CPU time (s): 2.55461
CPU user time (s): 2.54861
CPU system time (s): 0.005999
CPU usage (%): 99.9513
Max. virtual memory (cumulated for all children) (KiB): 5624

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 2.54861
system time used= 0.005999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1195
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= 2
involuntary context switches= 3

runsolver used 0.005999 second user time and 0.013997 second system time

The end

Launcher Data 

Begin job on node91 at 2009-04-26 02:30:05
IDJOB=1725626
IDBENCH=24594
IDSOLVER=520
FILE ID=node91/1725626-1240705805
PBS_JOBID= 9186817
Free space on /tmp= 66520 MiB

SOLVER NAME= HydraSAT 2009-03-22-Base
BENCH NAME= SAT07/crafted/Medium/contest05/others/QG7a-gensys-brn004.sat05-3669.reshuffled-07.cnf
COMMAND LINE= DIR/hydrasat BENCHNAME -rs RANDOMSEED -co memory_limit MEMLIMIT
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1725626-1240705805/watcher-1725626-1240705805 -o /tmp/evaluation-result-1725626-1240705805/solver-1725626-1240705805 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/hydrasat HOME/instance-1725626-1240705805.cnf -rs 352854770 -co memory_limit 1800

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB
MAX NB THREAD= 0

MD5SUM BENCH= 51245c7b8edb32c4dbd94daf982c00d7
RANDOM SEED=352854770

node91.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		: 3000.241
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		: 3000.241
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	: 5996.54
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2055920 kB
MemFree:       1566576 kB
Buffers:         56088 kB
Cached:         340756 kB
SwapCached:          4 kB
Active:          97968 kB
Inactive:       313364 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1566576 kB
SwapTotal:     4192956 kB
SwapFree:      4192952 kB
Dirty:            2308 kB
Writeback:           0 kB
Mapped:          24240 kB
Slab:            63904 kB
Committed_AS:   257552 kB
PageTables:       1356 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264960 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 66520 MiB
End job on node91 at 2009-04-26 02:30:08