Trace number 1631856

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
TNM 2009-03-22SAT 4.88726 4.88933

General information on the benchmark

NameRANDOM/LARGE/3SAT/UNKNOWN/4000/
unif-k3-r4.2-v4000-c16800-S1271018787-049.cnf
MD5SUMa2535194d868b4e0014d35a0421df6ea
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.590909
Satisfiable
(Un)Satisfiability was proved
Number of variables4000
Number of clauses16800
Sum of the clauses size50400
Maximum clause length3
Minimum clause length3
Number of clauses of size 10
Number of clauses of size 20
Number of clauses of size 316800
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data

4.79/4.88	c try 1 flip j 2137207
4.79/4.88	c A solution is found
4.79/4.88	s SATISFIABLE
4.79/4.88	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 -241 242 243 -244 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4.79/4.88	v 0 
4.79/4.88	c Done (mycputime is 4.830 seconds)

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-1631856-1240184124/watcher-1631856-1240184124 -o /tmp/evaluation-result-1631856-1240184124/solver-1631856-1240184124 -C 5000 -W 6000 -M 1800 --output-limit 1,15 HOME/TNM HOME/instance-1631856-1240184124.cnf 174727081 

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
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 0.98 0.98 3/64 27523
/proc/meminfo: memFree=1069832/2055920 swapFree=4192956/4192956
[pid=27523] ppid=27521 vsize=450932 CPUtime=0
/proc/27523/stat : 27523 (TNM) R 27521 27523 27372 0 -1 4194304 109 0 0 0 0 0 0 0 18 0 1 0 46446361 461754368 94 1992294400 134512640 135094415 4294956240 18446744073709551615 134520319 0 0 4096 0 0 0 0 17 1 0 0
/proc/27523/statm: 112733 94 49 142 0 111612 0

[startup+0.0539621 s]
/proc/loadavg: 1.00 0.98 0.98 3/64 27523
/proc/meminfo: memFree=1069832/2055920 swapFree=4192956/4192956
[pid=27523] ppid=27521 vsize=452116 CPUtime=0.05
/proc/27523/stat : 27523 (TNM) R 27521 27523 27372 0 -1 4194304 471 0 0 0 5 0 0 0 18 0 1 0 46446361 462966784 455 1992294400 134512640 135094415 4294956240 18446744073709551615 134523821 0 0 4096 0 0 0 0 17 1 0 0
/proc/27523/statm: 113029 455 49 142 0 111908 0
Current children cumulated CPU time (s) 0.05
Current children cumulated vsize (KiB) 452116

[startup+0.101966 s]
/proc/loadavg: 1.00 0.98 0.98 3/64 27523
/proc/meminfo: memFree=1069832/2055920 swapFree=4192956/4192956
[pid=27523] ppid=27521 vsize=452512 CPUtime=0.09
/proc/27523/stat : 27523 (TNM) R 27521 27523 27372 0 -1 4194304 757 0 0 0 9 0 0 0 18 0 1 0 46446361 463372288 741 1992294400 134512640 135094415 4294956240 18446744073709551615 134526958 0 0 4096 0 0 0 0 17 1 0 0
/proc/27523/statm: 113128 741 50 142 0 112007 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 452512

[startup+0.301985 s]
/proc/loadavg: 1.00 0.98 0.98 3/64 27523
/proc/meminfo: memFree=1069832/2055920 swapFree=4192956/4192956
[pid=27523] ppid=27521 vsize=452512 CPUtime=0.29
/proc/27523/stat : 27523 (TNM) R 27521 27523 27372 0 -1 4194304 757 0 0 0 29 0 0 0 19 0 1 0 46446361 463372288 741 1992294400 134512640 135094415 4294956240 18446744073709551615 134526527 0 0 4096 0 0 0 0 17 1 0 0
/proc/27523/statm: 113128 741 50 142 0 112007 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 452512

[startup+0.701024 s]
/proc/loadavg: 1.00 0.98 0.98 3/64 27523
/proc/meminfo: memFree=1069832/2055920 swapFree=4192956/4192956
[pid=27523] ppid=27521 vsize=452512 CPUtime=0.69
/proc/27523/stat : 27523 (TNM) R 27521 27523 27372 0 -1 4194304 757 0 0 0 69 0 0 0 23 0 1 0 46446361 463372288 741 1992294400 134512640 135094415 4294956240 18446744073709551615 134528494 0 0 4096 0 0 0 0 17 1 0 0
/proc/27523/statm: 113128 741 50 142 0 112007 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 452512

[startup+1.5011 s]
/proc/loadavg: 1.00 0.98 0.98 2/65 27524
/proc/meminfo: memFree=1066880/2055920 swapFree=4192956/4192956
[pid=27523] ppid=27521 vsize=452512 CPUtime=1.49
/proc/27523/stat : 27523 (TNM) R 27521 27523 27372 0 -1 4194304 757 0 0 0 149 0 0 0 25 0 1 0 46446361 463372288 741 1992294400 134512640 135094415 4294956240 18446744073709551615 134526346 0 0 4096 0 0 0 0 17 1 0 0
/proc/27523/statm: 113128 741 50 142 0 112007 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 452512

[startup+3.10126 s]
/proc/loadavg: 1.00 0.98 0.98 2/65 27524
/proc/meminfo: memFree=1066752/2055920 swapFree=4192956/4192956
[pid=27523] ppid=27521 vsize=452512 CPUtime=3.09
/proc/27523/stat : 27523 (TNM) R 27521 27523 27372 0 -1 4194304 757 0 0 0 309 0 0 0 25 0 1 0 46446361 463372288 741 1992294400 134512640 135094415 4294956240 18446744073709551615 134526750 0 0 4096 0 0 0 0 17 1 0 0
/proc/27523/statm: 113128 741 50 142 0 112007 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 452512

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

[startup+3.90134 s]
/proc/loadavg: 1.00 0.98 0.98 2/65 27524
/proc/meminfo: memFree=1066752/2055920 swapFree=4192956/4192956
[pid=27523] ppid=27521 vsize=452512 CPUtime=3.89
/proc/27523/stat : 27523 (TNM) R 27521 27523 27372 0 -1 4194304 757 0 0 0 389 0 0 0 25 0 1 0 46446361 463372288 741 1992294400 134512640 135094415 4294956240 18446744073709551615 134527106 0 0 4096 0 0 0 0 17 1 0 0
/proc/27523/statm: 113128 741 50 142 0 112007 0
Current children cumulated CPU time (s) 3.89
Current children cumulated vsize (KiB) 452512

[startup+4.30138 s]
/proc/loadavg: 1.00 0.98 0.98 2/65 27524
/proc/meminfo: memFree=1066752/2055920 swapFree=4192956/4192956
[pid=27523] ppid=27521 vsize=452512 CPUtime=4.29
/proc/27523/stat : 27523 (TNM) R 27521 27523 27372 0 -1 4194304 757 0 0 0 429 0 0 0 25 0 1 0 46446361 463372288 741 1992294400 134512640 135094415 4294956240 18446744073709551615 134524642 0 0 4096 0 0 0 0 17 1 0 0
/proc/27523/statm: 113128 741 50 142 0 112007 0
Current children cumulated CPU time (s) 4.29
Current children cumulated vsize (KiB) 452512

[startup+4.70142 s]
/proc/loadavg: 1.00 0.98 0.98 2/65 27524
/proc/meminfo: memFree=1066752/2055920 swapFree=4192956/4192956
[pid=27523] ppid=27521 vsize=452512 CPUtime=4.69
/proc/27523/stat : 27523 (TNM) R 27521 27523 27372 0 -1 4194304 757 0 0 0 469 0 0 0 25 0 1 0 46446361 463372288 741 1992294400 134512640 135094415 4294956240 18446744073709551615 134527784 0 0 4096 0 0 0 0 17 1 0 0
/proc/27523/statm: 113128 741 50 142 0 112007 0
Current children cumulated CPU time (s) 4.69
Current children cumulated vsize (KiB) 452512

[startup+4.80143 s]
/proc/loadavg: 1.00 0.98 0.98 2/65 27524
/proc/meminfo: memFree=1066752/2055920 swapFree=4192956/4192956
[pid=27523] ppid=27521 vsize=452512 CPUtime=4.79
/proc/27523/stat : 27523 (TNM) R 27521 27523 27372 0 -1 4194304 757 0 0 0 479 0 0 0 25 0 1 0 46446361 463372288 741 1992294400 134512640 135094415 4294956240 18446744073709551615 134528668 0 0 4096 0 0 0 0 17 1 0 0
/proc/27523/statm: 113128 741 50 142 0 112007 0
Current children cumulated CPU time (s) 4.79
Current children cumulated vsize (KiB) 452512

Child status: 10
Real time (s): 4.88933
CPU time (s): 4.88726
CPU user time (s): 4.88026
CPU system time (s): 0.006998
CPU usage (%): 99.9576
Max. virtual memory (cumulated for all children) (KiB): 452512

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 4.88026
system time used= 0.006998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 771
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= 18

runsolver used 0.006998 second user time and 0.015997 second system time

The end

Launcher Data

Begin job on node12 at 2009-04-20 01:35:24
IDJOB=1631856
IDBENCH=70340
IDSOLVER=589
FILE ID=node12/1631856-1240184124
PBS_JOBID= 9160244
Free space on /tmp= 66316 MiB

SOLVER NAME= TNM 2009-03-22
BENCH NAME= SAT09/RANDOM/LARGE/3SAT/UNKNOWN/4000/unif-k3-r4.2-v4000-c16800-S1271018787-049.cnf
COMMAND LINE= HOME/TNM BENCHNAME RANDOMSEED
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1631856-1240184124/watcher-1631856-1240184124 -o /tmp/evaluation-result-1631856-1240184124/solver-1631856-1240184124 -C 5000 -W 6000 -M 1800 --output-limit 1,15  HOME/TNM HOME/instance-1631856-1240184124.cnf 174727081

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

MD5SUM BENCH= a2535194d868b4e0014d35a0421df6ea
RANDOM SEED=174727081

node12.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		: 3000.213
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		: 3000.213
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:       1070248 kB
Buffers:         94720 kB
Cached:         788532 kB
SwapCached:          0 kB
Active:         376108 kB
Inactive:       521112 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1070248 kB
SwapTotal:     4192956 kB
SwapFree:      4192956 kB
Dirty:            4852 kB
Writeback:           0 kB
Mapped:          23692 kB
Slab:            74424 kB
Committed_AS:   178416 kB
PageTables:       1376 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= 66312 MiB
End job on node12 at 2009-04-20 01:35:29