Trace number 3265576

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
shortsattime2011 2011-03-02SAT 0.697893 0.697583

General information on the benchmark

NameSAT05/crafted/sorge05/QG7a/
gensys-brn002.shuffled-as.sat05-3935.cnf
MD5SUMeda2d1e7d2975da4e019beddc323767b
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.366944
Satisfiable
(Un)Satisfiability was proved
Number of variables2401
Number of clauses15897
Sum of the clauses size111804
Maximum clause length13
Minimum clause length1
Number of clauses of size 135
Number of clauses of size 2385
Number of clauses of size 32205
Number of clauses of size 4294
Number of clauses of size 5441
Number of clauses of size over 512537

Solver Data

0.59/0.69	c 1974 clauses are redundant and removed
0.59/0.69	c 56 vars are fixed and 2030 clauses are removed after unit propagation
0.59/0.69	c 57 vars are fixed and 2048 clauses are removed after lookahead
0.59/0.69	c initial seed is 1914930024
0.59/0.69	c try=1 flip j=208234 walk=173489 seed 1914930041
0.59/0.69	c A solution is found
0.59/0.69	s SATISFIABLE
0.59/0.69	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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0.59/0.69	v 0 
0.59/0.69	c Done (mycputime is 0 seconds)

Verifier Data

OK

Watcher Data

runsolver Copyright (C) 2010-2011 Olivier ROUSSEL

This is runsolver version 3.3.0 (svn: 977)

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-3265576-1307667348/watcher-3265576-1307667348 -o /tmp/evaluation-result-3265576-1307667348/solver-3265576-1307667348 -C 2400 -W 1300 -M 7680 shortsattime2011 HOME/instance-3265576-1307667348.cnf 1914923237 

running on 2 cores: 4,6

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: 3.87 3.95 3.48 2/179 8959
/proc/meminfo: memFree=32333404/32951124 swapFree=67062492/67111528
[pid=8959] ppid=8957 vsize=1185584 CPUtime=0 cores=4,6
/proc/8959/stat : 8959 (shortsattime201) R 8957 8959 8779 0 -1 4194304 244 0 0 0 0 0 0 0 25 0 1 0 859150728 1214038016 188 33554432000 4194304 4230460 140733949347872 18446744073709551615 4203719 0 0 4096 0 0 0 0 17 4 0 0 0
/proc/8959/statm: 296396 189 100 9 0 293553 0

[startup+0.068504 s]
/proc/loadavg: 3.87 3.95 3.48 2/179 8959
/proc/meminfo: memFree=32333404/32951124 swapFree=67062492/67111528
[pid=8959] ppid=8957 vsize=1188220 CPUtime=0.06 cores=4,6
/proc/8959/stat : 8959 (shortsattime201) R 8957 8959 8779 0 -1 4202496 1021 0 0 0 6 0 0 0 25 0 1 0 859150728 1216737280 964 33554432000 4194304 4230460 140733949347872 18446744073709551615 4207848 0 0 4096 0 0 0 0 17 4 0 0 0
/proc/8959/statm: 297055 964 103 9 0 294212 0
Current children cumulated CPU time (s) 0.06
Current children cumulated vsize (KiB) 1188220

[startup+0.100527 s]
/proc/loadavg: 3.87 3.95 3.48 2/179 8959
/proc/meminfo: memFree=32333404/32951124 swapFree=67062492/67111528
[pid=8959] ppid=8957 vsize=1188220 CPUtime=0.09 cores=4,6
/proc/8959/stat : 8959 (shortsattime201) R 8957 8959 8779 0 -1 4202496 1021 0 0 0 9 0 0 0 25 0 1 0 859150728 1216737280 964 33554432000 4194304 4230460 140733949347872 18446744073709551615 4207848 0 0 4096 0 0 0 0 17 4 0 0 0
/proc/8959/statm: 297055 964 103 9 0 294212 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 1188220

[startup+0.300485 s]
/proc/loadavg: 3.87 3.95 3.48 2/179 8959
/proc/meminfo: memFree=32333404/32951124 swapFree=67062492/67111528
[pid=8959] ppid=8957 vsize=1188220 CPUtime=0.29 cores=4,6
/proc/8959/stat : 8959 (shortsattime201) R 8957 8959 8779 0 -1 4202496 1022 0 0 0 29 0 0 0 25 0 1 0 859150728 1216737280 965 33554432000 4194304 4230460 140733949347872 18446744073709551615 4207777 0 0 4096 0 0 0 0 17 4 0 0 0
/proc/8959/statm: 297055 965 103 9 0 294212 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 1188220

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

[startup+0.500443 s]
/proc/loadavg: 3.87 3.95 3.48 2/179 8959
/proc/meminfo: memFree=32333404/32951124 swapFree=67062492/67111528
[pid=8959] ppid=8957 vsize=1189412 CPUtime=0.49 cores=4,6
/proc/8959/stat : 8959 (shortsattime201) R 8957 8959 8779 0 -1 4202496 1517 0 0 0 49 0 0 0 25 0 1 0 859150728 1217957888 1454 33554432000 4194304 4230460 140733949347872 18446744073709551615 4219948 0 0 4096 0 0 0 0 17 4 0 0 0
/proc/8959/statm: 297353 1454 117 9 0 294510 0
Current children cumulated CPU time (s) 0.49
Current children cumulated vsize (KiB) 1189412

[startup+0.600431 s]
/proc/loadavg: 3.87 3.95 3.48 2/179 8959
/proc/meminfo: memFree=32333404/32951124 swapFree=67062492/67111528
[pid=8959] ppid=8957 vsize=1189412 CPUtime=0.59 cores=4,6
/proc/8959/stat : 8959 (shortsattime201) R 8957 8959 8779 0 -1 4202496 1517 0 0 0 59 0 0 0 25 0 1 0 859150728 1217957888 1454 33554432000 4194304 4230460 140733949347872 18446744073709551615 4220864 0 0 4096 0 0 0 0 17 4 0 0 0
/proc/8959/statm: 297353 1454 117 9 0 294510 0
Current children cumulated CPU time (s) 0.59
Current children cumulated vsize (KiB) 1189412

Child status: 10
Real time (s): 0.697583
CPU time (s): 0.697893
CPU user time (s): 0.695894
CPU system time (s): 0.001999
CPU usage (%): 100.044
Max. virtual memory (cumulated for all children) (KiB): 1189412

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.695894
system time used= 0.001999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1521
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= 3
involuntary context switches= 7

runsolver used 0.000999 second user time and 0.004999 second system time

The end

Launcher Data

Begin job on node147 at 2011-06-10 02:55:48
IDJOB=3265576
IDBENCH=85786
IDSOLVER=1566
FILE ID=node147/3265576-1307667348
RUNJOBID= node147-1307666046-8798
PBS_JOBID= 13549470
Free space on /tmp= 74020 MiB

SOLVER NAME= shortsattime2011 2011-03-02
BENCH NAME= SAT05/crafted/sorge05/QG7a/gensys-brn002.shuffled-as.sat05-3935.cnf
COMMAND LINE= shortsattime2011 BENCHNAME RANDOMSEED
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3265576-1307667348/watcher-3265576-1307667348 -o /tmp/evaluation-result-3265576-1307667348/solver-3265576-1307667348 -C 2400 -W 1300 -M 7680  shortsattime2011 HOME/instance-3265576-1307667348.cnf 1914923237

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

MD5SUM BENCH= eda2d1e7d2975da4e019beddc323767b
RANDOM SEED=1914923237

node147.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		: 2666.836
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	: 5333.67
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		: 2666.836
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	: 5332.75
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		: 2666.836
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	: 5332.82
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		: 2666.836
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		: 2666.836
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	: 5332.82
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		: 2666.836
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	: 5332.76
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		: 2666.836
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	: 5332.82
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		: 2666.836
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:     32951124 kB
MemFree:      32335692 kB
Buffers:         74124 kB
Cached:         383352 kB
SwapCached:      10248 kB
Active:         181040 kB
Inactive:       298672 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32951124 kB
LowFree:      32335692 kB
SwapTotal:    67111528 kB
SwapFree:     67062492 kB
Dirty:            8548 kB
Writeback:           0 kB
AnonPages:       20344 kB
Mapped:          10292 kB
Slab:            71552 kB
PageTables:       4612 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83587088 kB
Committed_AS:   227904 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= 74004 MiB
End job on node147 at 2011-06-10 02:55:49