Trace number 3264080

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 1.40779 1.40805

General information on the benchmark

NameSAT04/handmade/kexu/frb-0.6/
frb80-14-2.used-as.sat04-880.cnf
MD5SUM1242f0037df1c3d888415aeb418b77ed
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.696893
Satisfiable
(Un)Satisfiability was proved
Number of variables1120
Number of clauses43179
Sum of the clauses size87318
Maximum clause length14
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 243099
Number of clauses of size 30
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 580

Solver Data

1.39/1.40	c 951 clauses are redundant and removed
1.39/1.40	c 0 vars are fixed and 951 clauses are removed after unit propagation
1.39/1.40	c 0 vars are fixed and 951 clauses are removed after lookahead
1.39/1.40	c initial seed is 2118299357
1.39/1.40	c try=1 flip j=981233 walk=876801 seed 2118299374
1.39/1.40	c A solution is found
1.39/1.40	s SATISFIABLE
1.39/1.40	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 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1.39/1.40	v 0 
1.39/1.40	c Done (mycputime is 1 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-3264080-1303568021/watcher-3264080-1303568021 -o /tmp/evaluation-result-3264080-1303568021/solver-3264080-1303568021 -C 2400 -W 1300 -M 7680 shortsattime2011 HOME/instance-3264080-1303568021.cnf 2118292570 

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: 0.24 1.44 3.74 3/184 6060
/proc/meminfo: memFree=14548732/32950928 swapFree=67087032/67111528
[pid=6060] ppid=6058 vsize=1185848 CPUtime=0 cores=5,7
/proc/6060/stat : 6060 (shortsattime201) R 6058 6060 5983 0 -1 4194304 351 0 0 0 0 0 0 0 22 0 1 0 468399126 1214308352 295 33554432000 4194304 4230460 140733782872560 18446744073709551615 239476355781 0 0 4096 0 0 0 0 17 5 0 0 0
/proc/6060/statm: 296462 295 100 9 0 293619 0

[startup+0.044403 s]
/proc/loadavg: 0.24 1.44 3.74 3/184 6060
/proc/meminfo: memFree=14548732/32950928 swapFree=67087032/67111528
[pid=6060] ppid=6058 vsize=1188748 CPUtime=0.04 cores=5,7
/proc/6060/stat : 6060 (shortsattime201) R 6058 6060 5983 0 -1 4202496 1312 0 0 0 4 0 0 0 22 0 1 0 468399126 1217277952 1255 33554432000 4194304 4230460 140733782872560 18446744073709551615 4207656 0 0 4096 0 0 0 0 17 5 0 0 0
/proc/6060/statm: 297187 1255 103 9 0 294344 0
Current children cumulated CPU time (s) 0.04
Current children cumulated vsize (KiB) 1188748

[startup+0.100397 s]
/proc/loadavg: 0.24 1.44 3.74 3/184 6060
/proc/meminfo: memFree=14548732/32950928 swapFree=67087032/67111528
[pid=6060] ppid=6058 vsize=1190468 CPUtime=0.09 cores=5,7
/proc/6060/stat : 6060 (shortsattime201) R 6058 6060 5983 0 -1 4202496 2210 0 0 0 9 0 0 0 22 0 1 0 468399126 1219039232 2152 33554432000 4194304 4230460 140733782872560 18446744073709551615 4219520 0 0 4096 0 0 0 0 17 5 0 0 0
/proc/6060/statm: 297617 2152 117 9 0 294774 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 1190468

[startup+0.300345 s]
/proc/loadavg: 0.24 1.44 3.74 3/184 6060
/proc/meminfo: memFree=14548732/32950928 swapFree=67087032/67111528
[pid=6060] ppid=6058 vsize=1190468 CPUtime=0.29 cores=5,7
/proc/6060/stat : 6060 (shortsattime201) R 6058 6060 5983 0 -1 4202496 2210 0 0 0 29 0 0 0 23 0 1 0 468399126 1219039232 2152 33554432000 4194304 4230460 140733782872560 18446744073709551615 4220893 0 0 4096 0 0 0 0 17 5 0 0 0
/proc/6060/statm: 297617 2152 117 9 0 294774 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 1190468

[startup+0.700263 s]
/proc/loadavg: 0.24 1.44 3.74 3/184 6060
/proc/meminfo: memFree=14548732/32950928 swapFree=67087032/67111528
[pid=6060] ppid=6058 vsize=1190468 CPUtime=0.69 cores=5,7
/proc/6060/stat : 6060 (shortsattime201) R 6058 6060 5983 0 -1 4202496 2210 0 0 0 69 0 0 0 25 0 1 0 468399126 1219039232 2152 33554432000 4194304 4230460 140733782872560 18446744073709551615 4220853 0 0 4096 0 0 0 0 17 5 0 0 0
/proc/6060/statm: 297617 2152 117 9 0 294774 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 1190468

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

[startup+1.10619 s]
/proc/loadavg: 0.24 1.44 3.74 5/190 6071
/proc/meminfo: memFree=14519796/32950928 swapFree=67087032/67111528
[pid=6060] ppid=6058 vsize=1190468 CPUtime=1.1 cores=5,7
/proc/6060/stat : 6060 (shortsattime201) R 6058 6060 5983 0 -1 4202496 2210 0 0 0 110 0 0 0 25 0 1 0 468399126 1219039232 2152 33554432000 4194304 4230460 140733782872560 18446744073709551615 4220853 0 0 4096 0 0 0 0 17 5 0 0 0
/proc/6060/statm: 297617 2152 117 9 0 294774 0
Current children cumulated CPU time (s) 1.1
Current children cumulated vsize (KiB) 1190468

[startup+1.30015 s]
/proc/loadavg: 0.24 1.44 3.74 5/190 6071
/proc/meminfo: memFree=14519796/32950928 swapFree=67087032/67111528
[pid=6060] ppid=6058 vsize=1190468 CPUtime=1.29 cores=5,7
/proc/6060/stat : 6060 (shortsattime201) R 6058 6060 5983 0 -1 4202496 2210 0 0 0 129 0 0 0 25 0 1 0 468399126 1219039232 2152 33554432000 4194304 4230460 140733782872560 18446744073709551615 4220864 0 0 4096 0 0 0 0 17 5 0 0 0
/proc/6060/statm: 297617 2152 117 9 0 294774 0
Current children cumulated CPU time (s) 1.29
Current children cumulated vsize (KiB) 1190468

[startup+1.40013 s]
/proc/loadavg: 0.24 1.44 3.74 5/190 6071
/proc/meminfo: memFree=14519796/32950928 swapFree=67087032/67111528
[pid=6060] ppid=6058 vsize=1190472 CPUtime=1.39 cores=5,7
/proc/6060/stat : 6060 (shortsattime201) R 6058 6060 5983 0 -1 4202496 2212 0 0 0 139 0 0 0 25 0 1 0 468399126 1219043328 2154 33554432000 4194304 4230460 140733782872560 18446744073709551615 239476694784 0 0 4096 0 0 0 0 17 5 0 0 0
/proc/6060/statm: 297618 2154 117 9 0 294775 0
Current children cumulated CPU time (s) 1.39
Current children cumulated vsize (KiB) 1190472

Child status: 10
Real time (s): 1.40805
CPU time (s): 1.40779
CPU user time (s): 1.40279
CPU system time (s): 0.004999
CPU usage (%): 99.9812
Max. virtual memory (cumulated for all children) (KiB): 1190472

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.40279
system time used= 0.004999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 2216
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 0.001999 second user time and 0.009998 second system time

The end

Launcher Data

Begin job on node148 at 2011-04-23 16:13:41
IDJOB=3264080
IDBENCH=84554
IDSOLVER=1566
FILE ID=node148/3264080-1303568021
RUNJOBID= node148-1303568019-6004
PBS_JOBID= 13150285
Free space on /tmp= 70580 MiB

SOLVER NAME= shortsattime2011 2011-03-02
BENCH NAME= SAT04/handmade/kexu/frb-0.6/frb80-14-2.used-as.sat04-880.cnf
COMMAND LINE= shortsattime2011 BENCHNAME RANDOMSEED
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3264080-1303568021/watcher-3264080-1303568021 -o /tmp/evaluation-result-3264080-1303568021/solver-3264080-1303568021 -C 2400 -W 1300 -M 7680  shortsattime2011 HOME/instance-3264080-1303568021.cnf 2118292570

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

MD5SUM BENCH= 1242f0037df1c3d888415aeb418b77ed
RANDOM SEED=2118292570

node148.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		: 2666.854
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	: 5333.70
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		: 2666.854
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		: 2666.854
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	: 5332.83
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		: 2666.854
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		: 2666.854
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		: 2666.854
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		: 2666.854
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		: 2666.854
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:      14549136 kB
Buffers:       2043840 kB
Cached:       15750248 kB
SwapCached:       5264 kB
Active:        8888220 kB
Inactive:      8953124 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32950928 kB
LowFree:      14549136 kB
SwapTotal:    67111528 kB
SwapFree:     67087032 kB
Dirty:           23952 kB
Writeback:           0 kB
AnonPages:       43428 kB
Mapped:          14160 kB
Slab:           494380 kB
PageTables:       5720 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83586992 kB
Committed_AS:  2595884 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= 70564 MiB
End job on node148 at 2011-04-23 16:13:42