Trace number 3375264

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
MPhaseSAT64 2011-05-14 (fixed)SAT 0.762884 0.76349

General information on the benchmark

Namerandom/medium/
unif-k3-r4.26-v350-c1491-S773607012-011.SATISFIABLE.cnf
MD5SUM483d25248cf3914949bc8e0a31e41038
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.002999
Satisfiable
(Un)Satisfiability was proved
Number of variables350
Number of clauses1491
Sum of the clauses size4473
Maximum clause length3
Minimum clause length3
Number of clauses of size 10
Number of clauses of size 20
Number of clauses of size 31491
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data 

0.70/0.76	c MPhaseSAT64 version 514 by Jingchao Chen,  May 13,2011
0.70/0.76	c input CNF file=HOME/instance-3375264-1305449985.cnf 
0.70/0.76	c Clause#=1491  var#=350  ratio=4 
0.70/0.76	c Simplified clause#=1491 
0.70/0.76	c XOR_varElimination deleted var#=0 clauses#=1486 
0.70/0.76	c inative var#=0 
0.70/0.76	c free var#=338  
0.70/0.76	c local search on 
0.70/0.76	c A solution found by local search 
0.70/0.76	c unfixed var#=11 var#=350 
0.70/0.76	c verified 
0.70/0.76	c 
0.70/0.76	s SATISFIABLE
0.70/0.76	v -1 -2 3 -4 -5 6 -7 -8 -9 -10 11 12 13 -14 -15 16 17 -18 -19 20 -21 22 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 -136 137 -138 139 -140 -141 142 143 -144 -145 146 147 -148 -149 -150 -151 152 -153 154 155 157 158 159 160 161 -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 -215 216 218 219 -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 -245 246 247 -248 249 250 -251 252 -253 254 -255 -256 257 258 -259 260 -261 262 263 -264 265 266 267 -268 269 270 271 -272 -273 274 -275 -276 -277 -278 279 -280 -281 -282 283 284 -285 286 287 288 -289 290 -291 292 -293 -294 -295 -296 297 298 -299 300 -301 302 303 304 -305 306 -307 -308 -309 -310 -311 312 313 -314 -315 316 -317 318 -319 320 321 322 323 -324 -325 -326 327 328 329 -330 -331 332 333 334 335 -336 -337 -338 -339 -340 -341 -342 343 -344 345 346 -347 -348 349 -350 
0.70/0.76	v 0
0.70/0.76	c 
0.70/0.76	c  Running time=0.761885

Verifier Data 

OK

Watcher Data 

runsolver Copyright (C) 2010-2011 Olivier ROUSSEL

This is runsolver version 3.3.0 (svn: 961)

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-3375264-1305449985/watcher-3375264-1305449985 -o /tmp/evaluation-result-3375264-1305449985/solver-3375264-1305449985 -C 2400 -W 1300 -M 7680 MPhaseSAT64 HOME/instance-3375264-1305449985.cnf 

running on 2 cores: 5,7

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 2400 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 2430 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 1300 seconds
Enforcing VSIZE limit (soft limit, will send SIGTERM then SIGKILL): 7864320 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 7915520 KiB
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 3.09 3.68 4.11 4/370 25553
/proc/meminfo: memFree=25159700/32950928 swapFree=38710892/67111528
[pid=25553] ppid=25551 vsize=12288 CPUtime=0 cores=5,7
/proc/25553/stat : 25553 (MPhaseSAT64) R 25551 25553 24847 0 -1 4202496 503 0 0 0 0 0 0 0 25 0 1 0 735229138 12582912 443 33554432000 4194304 4479436 140733413629824 18446744073709551615 4333136 0 0 4096 1026 0 0 0 17 5 0 0 0
/proc/25553/statm: 3072 443 305 70 0 192 0

[startup+0.110026 s]
/proc/loadavg: 3.09 3.68 4.11 4/370 25553
/proc/meminfo: memFree=25159700/32950928 swapFree=38710892/67111528
[pid=25553] ppid=25551 vsize=13016 CPUtime=0.1 cores=5,7
/proc/25553/stat : 25553 (MPhaseSAT64) R 25551 25553 24847 0 -1 4202496 721 0 0 0 10 0 0 0 25 0 1 0 735229138 13328384 661 33554432000 4194304 4479436 140733413629824 18446744073709551615 4450761 0 0 4096 1026 0 0 0 17 5 0 0 0
/proc/25553/statm: 3254 661 325 70 0 374 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 13016

[startup+0.201008 s]
/proc/loadavg: 3.09 3.68 4.11 4/370 25553
/proc/meminfo: memFree=25159700/32950928 swapFree=38710892/67111528
[pid=25553] ppid=25551 vsize=13412 CPUtime=0.2 cores=5,7
/proc/25553/stat : 25553 (MPhaseSAT64) R 25551 25553 24847 0 -1 4202496 836 0 0 0 20 0 0 0 25 0 1 0 735229138 13733888 776 33554432000 4194304 4479436 140733413629824 18446744073709551615 4453592 0 0 4096 1026 0 0 0 17 5 0 0 0
/proc/25553/statm: 3353 776 325 70 0 473 0
Current children cumulated CPU time (s) 0.2
Current children cumulated vsize (KiB) 13412

[startup+0.300994 s]
/proc/loadavg: 3.09 3.68 4.11 4/370 25553
/proc/meminfo: memFree=25159700/32950928 swapFree=38710892/67111528
[pid=25553] ppid=25551 vsize=13800 CPUtime=0.3 cores=5,7
/proc/25553/stat : 25553 (MPhaseSAT64) R 25551 25553 24847 0 -1 4202496 933 0 0 0 30 0 0 0 25 0 1 0 735229138 14131200 873 33554432000 4194304 4479436 140733413629824 18446744073709551615 4452225 0 0 4096 1026 0 0 0 17 5 0 0 0
/proc/25553/statm: 3450 873 325 70 0 570 0
Current children cumulated CPU time (s) 0.3
Current children cumulated vsize (KiB) 13800

[startup+0.70093 s]
/proc/loadavg: 3.09 3.68 4.11 4/370 25553
/proc/meminfo: memFree=25159700/32950928 swapFree=38710892/67111528
[pid=25553] ppid=25551 vsize=14476 CPUtime=0.7 cores=5,7
/proc/25553/stat : 25553 (MPhaseSAT64) R 25551 25553 24847 0 -1 4202496 1182 0 0 0 70 0 0 0 25 0 1 0 735229138 14823424 1026 33554432000 4194304 4479436 140733413629824 18446744073709551615 4451952 0 0 4096 1026 0 0 0 17 5 0 0 0
/proc/25553/statm: 3619 1026 325 70 0 739 0
Current children cumulated CPU time (s) 0.7
Current children cumulated vsize (KiB) 14476

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

[startup+0.70093 s]
/proc/loadavg: 3.09 3.68 4.11 4/370 25553
/proc/meminfo: memFree=25159700/32950928 swapFree=38710892/67111528
[pid=25553] ppid=25551 vsize=14476 CPUtime=0.7 cores=5,7
/proc/25553/stat : 25553 (MPhaseSAT64) R 25551 25553 24847 0 -1 4202496 1182 0 0 0 70 0 0 0 25 0 1 0 735229138 14823424 1026 33554432000 4194304 4479436 140733413629824 18446744073709551615 4451952 0 0 4096 1026 0 0 0 17 5 0 0 0
/proc/25553/statm: 3619 1026 325 70 0 739 0
Current children cumulated CPU time (s) 0.7
Current children cumulated vsize (KiB) 14476

Child status: 10
Real time (s): 0.76349
CPU time (s): 0.762884
CPU user time (s): 0.762884
CPU system time (s): 0
CPU usage (%): 99.9206
Max. virtual memory (cumulated for all children) (KiB): 14476

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.762884
system time used= 0
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1194
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= 4
involuntary context switches= 1

runsolver used 0.004999 second user time and 0.007998 second system time

The end

Launcher Data 

Begin job on node113 at 2011-05-15 10:59:45
IDJOB=3375264
IDBENCH=82973
IDSOLVER=1855
FILE ID=node113/3375264-1305449985
RUNJOBID= node113-1305449952-25224
PBS_JOBID= 13324872
Free space on /tmp= 73484 MiB

SOLVER NAME= MPhaseSAT64 2011-05-14 (fixed)
BENCH NAME= SAT11/random/medium/unif-k3-r4.26-v350-c1491-S773607012-011.SATISFIABLE.cnf
COMMAND LINE= MPhaseSAT64 BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3375264-1305449985/watcher-3375264-1305449985 -o /tmp/evaluation-result-3375264-1305449985/solver-3375264-1305449985 -C 2400 -W 1300 -M 7680  MPhaseSAT64 HOME/instance-3375264-1305449985.cnf

TIME LIMIT= 2400 seconds
MEMORY LIMIT= 7680 MiB
NBCORE= 2

MD5SUM BENCH= 483d25248cf3914949bc8e0a31e41038
RANDOM SEED=798136499

node113.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		: 2666.846
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	: 5333.69
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		: 2666.846
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	: 5332.76
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		: 2666.846
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	: 5332.74
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		: 2666.846
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		: 2666.846
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	: 5332.74
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		: 2666.846
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		: 2666.846
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	: 5332.83
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		: 2666.846
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	: 5332.74
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]


/proc/meminfo:
MemTotal:     32950928 kB
MemFree:      25159716 kB
Buffers:        268588 kB
Cached:        2851932 kB
SwapCached:      93712 kB
Active:         807028 kB
Inactive:      6719148 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32950928 kB
LowFree:      25159716 kB
SwapTotal:    67111528 kB
SwapFree:     38710892 kB
Dirty:            1976 kB
Writeback:          16 kB
AnonPages:     4323640 kB
Mapped:          14808 kB
Slab:           107292 kB
PageTables:      92208 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83586992 kB
Committed_AS: 87122364 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= 73484 MiB
End job on node113 at 2011-05-15 10:59:45