Trace number 3209992

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
SAT09 reference solver: gnovelty+2 2009-03-22SAT 3.18751 3.18877

General information on the benchmark

Namerandom/large/
unif-k3-r4.2-v2500-c10500-S49783605-066-UNKNOWN.cnf
MD5SUM1c3095ea320a010dfc229e2e217434fd
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.658898
Satisfiable
(Un)Satisfiability was proved
Number of variables2500
Number of clauses10500
Sum of the clauses size31500
Maximum clause length3
Minimum clause length3
Number of clauses of size 10
Number of clauses of size 20
Number of clauses of size 310500
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data

0.00/0.01	c +------------------------------+
0.00/0.01	c | gNovelty+, version 2.0       |
0.00/0.01	c +------------------------------+
0.00/0.01	c gnovelty+ -h for help
0.00/0.01	c 
0.00/0.01	c Problem instance: numAtoms = 2500, numClauses = 10500
0.00/0.01	c General parameters: seed = 1986471662, timeout = 10 secs, targetCost = 0, print solution: no
0.00/0.01	c gNovelty+ parameters: walkprob = 0.01, smoothprob = 0.40, noise = adaptive
0.00/0.01	c tries = 1
0.00/0.01	c 
3.09/3.18	c      0  3559041         0   3559041    894524      3.18
3.09/3.18	s SATISFIABLE
3.09/3.18	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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3.09/3.18	c Done in 3.180000 seconds

Verifier Data

OK

Watcher Data

runsolver Copyright (C) 2010-2011 Olivier ROUSSEL

This is runsolver version 3.3.0 (svn: 935)

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-3209992-1303136691/watcher-3209992-1303136691 -o /tmp/evaluation-result-3209992-1303136691/solver-3209992-1303136691 -C 5000 -W 5000 -M 15500 HOME/gnovelty+2 HOME/instance-3209992-1303136691.cnf 1986471662 

running on 4 cores: 0,2,4,6

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): 5000 seconds
Enforcing VSIZE limit (soft limit, will send SIGTERM then SIGKILL): 15872000 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 15923200 KiB
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 0.92 0.98 1.08 3/174 7564
/proc/meminfo: memFree=22650932/32950928 swapFree=67111524/67111528
[pid=7564] ppid=7562 vsize=1017940 CPUtime=0 cores=0,2,4,6
/proc/7564/stat : 7564 (gnovelty+2) R 7562 7564 7532 0 -1 4202496 230 0 0 0 0 0 0 0 25 0 1 0 503899738 1042370560 185 33554432000 134512640 135663704 4292206480 18446744073709551615 134548433 0 0 4096 0 0 0 0 17 0 0 0 0
/proc/7564/statm: 254485 185 97 282 0 254201 0

[startup+0.03591 s]
/proc/loadavg: 0.92 0.98 1.08 3/174 7564
/proc/meminfo: memFree=22650932/32950928 swapFree=67111524/67111528
[pid=7564] ppid=7562 vsize=1018340 CPUtime=0.03 cores=0,2,4,6
/proc/7564/stat : 7564 (gnovelty+2) R 7562 7564 7532 0 -1 4202496 399 0 0 0 3 0 0 0 25 0 1 0 503899738 1042780160 353 33554432000 134512640 135663704 4292206480 18446744073709551615 134547274 0 0 4096 0 0 0 0 17 0 0 0 0
/proc/7564/statm: 254585 353 113 282 0 254301 0
Current children cumulated CPU time (s) 0.03
Current children cumulated vsize (KiB) 1018340

[startup+0.101028 s]
/proc/loadavg: 0.92 0.98 1.08 3/174 7564
/proc/meminfo: memFree=22650932/32950928 swapFree=67111524/67111528
[pid=7564] ppid=7562 vsize=1018340 CPUtime=0.09 cores=0,2,4,6
/proc/7564/stat : 7564 (gnovelty+2) R 7562 7564 7532 0 -1 4202496 399 0 0 0 9 0 0 0 25 0 1 0 503899738 1042780160 353 33554432000 134512640 135663704 4292206480 18446744073709551615 134524918 0 0 4096 0 0 0 0 17 0 0 0 0
/proc/7564/statm: 254585 353 113 282 0 254301 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 1018340

[startup+0.300988 s]
/proc/loadavg: 0.92 0.98 1.08 3/174 7564
/proc/meminfo: memFree=22650932/32950928 swapFree=67111524/67111528
[pid=7564] ppid=7562 vsize=1018340 CPUtime=0.29 cores=0,2,4,6
/proc/7564/stat : 7564 (gnovelty+2) R 7562 7564 7532 0 -1 4202496 399 0 0 0 29 0 0 0 25 0 1 0 503899738 1042780160 353 33554432000 134512640 135663704 4292206480 18446744073709551615 134545693 0 0 4096 0 0 0 0 17 0 0 0 0
/proc/7564/statm: 254585 353 113 282 0 254301 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 1018340

[startup+0.700915 s]
/proc/loadavg: 0.92 0.98 1.08 3/174 7564
/proc/meminfo: memFree=22650932/32950928 swapFree=67111524/67111528
[pid=7564] ppid=7562 vsize=1018340 CPUtime=0.69 cores=0,2,4,6
/proc/7564/stat : 7564 (gnovelty+2) R 7562 7564 7532 0 -1 4202496 399 0 0 0 69 0 0 0 25 0 1 0 503899738 1042780160 353 33554432000 134512640 135663704 4292206480 18446744073709551615 134525316 0 0 4096 0 0 0 0 17 0 0 0 0
/proc/7564/statm: 254585 353 113 282 0 254301 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 1018340

[startup+1.50064 s]
/proc/loadavg: 1.01 1.00 1.09 3/178 7571
/proc/meminfo: memFree=22644328/32950928 swapFree=67111524/67111528
[pid=7564] ppid=7562 vsize=1018340 CPUtime=1.49 cores=0,2,4,6
/proc/7564/stat : 7564 (gnovelty+2) R 7562 7564 7532 0 -1 4202496 399 0 0 0 149 0 0 0 25 0 1 0 503899738 1042780160 353 33554432000 134512640 135663704 4292206480 18446744073709551615 134547291 0 0 4096 0 0 0 0 17 0 0 0 0
/proc/7564/statm: 254585 353 113 282 0 254301 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 1018340

[startup+3.10048 s]
/proc/loadavg: 1.01 1.00 1.09 3/178 7571
/proc/meminfo: memFree=22643584/32950928 swapFree=67111524/67111528
[pid=7564] ppid=7562 vsize=1018340 CPUtime=3.09 cores=0,2,4,6
/proc/7564/stat : 7564 (gnovelty+2) R 7562 7564 7532 0 -1 4202496 399 0 0 0 309 0 0 0 25 0 1 0 503899738 1042780160 353 33554432000 134512640 135663704 4292206480 18446744073709551615 134524498 0 0 4096 0 0 0 0 17 0 0 0 0
/proc/7564/statm: 254585 353 113 282 0 254301 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 1018340

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

Child status: 10
Real time (s): 3.18877
CPU time (s): 3.18751
CPU user time (s): 3.18651
CPU system time (s): 0.000999
CPU usage (%): 99.9605
Max. virtual memory (cumulated for all children) (KiB): 1018340

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 3.18651
system time used= 0.000999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 405
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= 5
involuntary context switches= 8

runsolver used 0.005999 second user time and 0.015997 second system time

The end

Launcher Data

Begin job on node116 at 2011-04-18 16:24:51
IDJOB=3209992
IDBENCH=82647
IDSOLVER=1626
FILE ID=node116/3209992-1303136691
RUNJOBID= node116-1303136690-7550
PBS_JOBID= 13020943
Free space on /tmp= 73108 MiB

SOLVER NAME= SAT09 reference solver: gnovelty+2 2009-03-22
BENCH NAME= SAT11/random/large/unif-k3-r4.2-v2500-c10500-S49783605-066-UNKNOWN.cnf
COMMAND LINE= HOME/gnovelty+2 BENCHNAME RANDOMSEED
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3209992-1303136691/watcher-3209992-1303136691 -o /tmp/evaluation-result-3209992-1303136691/solver-3209992-1303136691 -C 5000 -W 5000 -M 15500  HOME/gnovelty+2 HOME/instance-3209992-1303136691.cnf 1986471662

TIME LIMIT= 5000 seconds
MEMORY LIMIT= 15500 MiB
NBCORE= 4

MD5SUM BENCH= 1c3095ea320a010dfc229e2e217434fd
RANDOM SEED=1986471662

node116.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	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.826
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 0
cpu cores	: 4
apicid		: 0
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5333.65
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 1
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.826
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 0
cpu cores	: 4
apicid		: 16
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5226.15
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 2
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.826
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 1
cpu cores	: 4
apicid		: 2
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.75
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 3
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.826
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 1
cpu cores	: 4
apicid		: 18
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.75
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 4
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.826
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 2
cpu cores	: 4
apicid		: 4
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.77
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 5
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.826
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 2
cpu cores	: 4
apicid		: 20
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.75
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 6
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.826
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 3
cpu cores	: 4
apicid		: 6
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.75
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 7
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.826
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 3
cpu cores	: 4
apicid		: 22
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.75
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]


/proc/meminfo:
MemTotal:     32950928 kB
MemFree:      22650956 kB
Buffers:        735860 kB
Cached:        9114136 kB
SwapCached:          4 kB
Active:        1781036 kB
Inactive:      8137624 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32950928 kB
LowFree:      22650956 kB
SwapTotal:    67111528 kB
SwapFree:     67111524 kB
Dirty:            2512 kB
Writeback:           0 kB
AnonPages:       68412 kB
Mapped:          14916 kB
Slab:           316040 kB
PageTables:       4648 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83586992 kB
Committed_AS:   191992 kB
VmallocTotal: 34359738367 kB
VmallocUsed:    296008 kB
VmallocChunk: 34359440975 kB
HugePages_Total:     0
HugePages_Free:      0
HugePages_Rsvd:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 73104 MiB
End job on node116 at 2011-04-18 16:24:54