Trace number 3421348

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
RestartSAT B95SAT 0.439932 0.440068

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 benchmark0.337948
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

0.39/0.43	c WARNING: for repeatability, setting FPU to use double precision
0.39/0.43	s SATISFIABLE
0.39/0.43	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 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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-3421348-1306627661/watcher-3421348-1306627661 -o /tmp/evaluation-result-3421348-1306627661/solver-3421348-1306627661 -C 5000 -W 5100 -M 15500 HOME/RestartSAT -rfirst=1 -var-decay=0.95 HOME/instance-3421348-1306627661.cnf 

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): 5100 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: 2.08 1.97 1.60 2/400 19170
/proc/meminfo: memFree=16352768/32950904 swapFree=64480420/67111528
[pid=19170] ppid=19168 vsize=20188 CPUtime=0 cores=0,2,4,6
/proc/19170/stat : 19170 (RestartSAT) R 19168 19170 18184 0 -1 4202496 830 0 0 0 0 0 0 0 25 0 1 0 774365864 20672512 761 33554432000 4194304 4291949 140735527073264 18446744073709551615 237278540485 0 0 4096 8388610 0 0 0 17 4 0 0 0
/proc/19170/statm: 5047 762 227 24 0 1681 0

[startup+0.0648649 s]
/proc/loadavg: 2.08 1.97 1.60 2/400 19170
/proc/meminfo: memFree=16352768/32950904 swapFree=64480420/67111528
[pid=19170] ppid=19168 vsize=20736 CPUtime=0.06 cores=0,2,4,6
/proc/19170/stat : 19170 (RestartSAT) R 19168 19170 18184 0 -1 4202496 1038 0 0 0 6 0 0 0 25 0 1 0 774365864 21233664 963 33554432000 4194304 4291949 140735527073264 18446744073709551615 4232401 0 0 4096 8388610 0 0 0 17 4 0 0 0
/proc/19170/statm: 5184 963 233 24 0 1818 0
Current children cumulated CPU time (s) 0.06
Current children cumulated vsize (KiB) 20736

[startup+0.100845 s]
/proc/loadavg: 2.08 1.97 1.60 2/400 19170
/proc/meminfo: memFree=16352768/32950904 swapFree=64480420/67111528
[pid=19170] ppid=19168 vsize=16968 CPUtime=0.09 cores=0,2,4,6
/proc/19170/stat : 19170 (RestartSAT) R 19168 19170 18184 0 -1 4202496 1172 0 0 0 9 0 0 0 25 0 1 0 774365864 17375232 921 33554432000 4194304 4291949 140735527073264 18446744073709551615 4256122 0 0 4096 8388610 0 0 0 17 4 0 0 0
/proc/19170/statm: 4242 921 253 24 0 876 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 16968

[startup+0.300813 s]
/proc/loadavg: 2.08 1.97 1.60 2/400 19170
/proc/meminfo: memFree=16352768/32950904 swapFree=64480420/67111528
[pid=19170] ppid=19168 vsize=17976 CPUtime=0.29 cores=0,2,4,6
/proc/19170/stat : 19170 (RestartSAT) R 19168 19170 18184 0 -1 4202496 1470 0 0 0 29 0 0 0 25 0 1 0 774365864 18407424 1000 33554432000 4194304 4291949 140735527073264 18446744073709551615 4255698 0 0 4096 8388610 0 0 0 17 4 0 0 0
/proc/19170/statm: 4494 1000 253 24 0 1128 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 17976

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

[startup+0.400796 s]
/proc/loadavg: 2.08 1.97 1.60 2/400 19170
/proc/meminfo: memFree=16352768/32950904 swapFree=64480420/67111528
[pid=19170] ppid=19168 vsize=18368 CPUtime=0.39 cores=0,2,4,6
/proc/19170/stat : 19170 (RestartSAT) R 19168 19170 18184 0 -1 4202496 1740 0 0 0 39 0 0 0 25 0 1 0 774365864 18808832 1253 33554432000 4194304 4291949 140735527073264 18446744073709551615 4255880 0 0 4096 8388610 0 0 0 17 4 0 0 0
/proc/19170/statm: 4592 1253 253 24 0 1226 0
Current children cumulated CPU time (s) 0.39
Current children cumulated vsize (KiB) 18368

Child status: 10
Real time (s): 0.440068
CPU time (s): 0.439932
CPU user time (s): 0.434933
CPU system time (s): 0.004999
CPU usage (%): 99.9691
Max. virtual memory (cumulated for all children) (KiB): 20736

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.434933
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= 1772
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= 7
involuntary context switches= 1

runsolver used 0.003999 second user time and 0.010998 second system time

The end

Launcher Data

Begin job on node121 at 2011-05-29 02:07:41
IDJOB=3421348
IDBENCH=85786
IDSOLVER=1911
FILE ID=node121/3421348-1306627661
RUNJOBID= node121-1306626797-19061
PBS_JOBID= 13471606
Free space on /tmp= 73340 MiB

SOLVER NAME= RestartSAT B95
BENCH NAME= SAT05/crafted/sorge05/QG7a/gensys-brn002.shuffled-as.sat05-3935.cnf
COMMAND LINE= HOME/RestartSAT -rfirst=1 -var-decay=0.95 BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3421348-1306627661/watcher-3421348-1306627661 -o /tmp/evaluation-result-3421348-1306627661/solver-3421348-1306627661 -C 5000 -W 5100 -M 15500  HOME/RestartSAT -rfirst=1 -var-decay=0.95 HOME/instance-3421348-1306627661.cnf

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

MD5SUM BENCH= eda2d1e7d2975da4e019beddc323767b
RANDOM SEED=1830808015

node121.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		: 2666.817
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	: 5333.63
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		: 2666.817
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	: 5226.07
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		: 2666.817
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	: 5332.84
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		: 2666.817
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	: 5332.77
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		: 2666.817
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		: 2666.817
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	: 5332.74
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		: 2666.817
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		: 2666.817
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:     32950904 kB
MemFree:      16352932 kB
Buffers:        235828 kB
Cached:        5945232 kB
SwapCached:      66536 kB
Active:        4423492 kB
Inactive:     11924216 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32950904 kB
LowFree:      16352932 kB
SwapTotal:    67111528 kB
SwapFree:     64480420 kB
Dirty:            1172 kB
Writeback:           0 kB
AnonPages:    10107004 kB
Mapped:          27780 kB
Slab:           130988 kB
PageTables:      52832 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83586980 kB
Committed_AS: 83939816 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= 73340 MiB
End job on node121 at 2011-05-29 02:07:42