Trace number 3426690

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
sattime2011 2011-03-02SAT 2.48362 2.48413

General information on the benchmark

Namerandom/large/
unif-k3-r4.2-v2500-c10500-S1201761407-024-UNKNOWN.cnf
MD5SUMf551de19344e39204ca6929dfef80a04
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.369942
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

2.39/2.48	c 0 clauses are redundant and removed
2.39/2.48	c 0 vars are fixed and 0 clauses are removed after unit propagation
2.39/2.48	c 0 vars are fixed and 0 clauses are removed after lookahead
2.39/2.48	c initial seed is 1647459985
2.39/2.48	c try=1 flip j=4391231 walk=3995448 seed 1647460002
2.39/2.48	c A solution is found
2.39/2.48	s SATISFIABLE
2.39/2.48	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 -245 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2.39/2.48	v 0 
2.39/2.48	c Done (mycputime is 2 seconds)

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-3426690-1306767096/watcher-3426690-1306767096 -o /tmp/evaluation-result-3426690-1306767096/solver-3426690-1306767096 -C 5000 -W 5100 -M 15500 sattime2011 HOME/instance-3426690-1306767096.cnf 1647456528 

running on 4 cores: 1,3,5,7

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: 1.99 2.00 1.98 2/373 21136
/proc/meminfo: memFree=7643316/32951124 swapFree=37160472/67111528
[pid=21136] ppid=21134 vsize=1186504 CPUtime=0 cores=1,3,5,7
/proc/21136/stat : 21136 (sattime2011) R 21134 21136 20754 0 -1 4202496 559 0 0 0 0 0 0 0 25 0 1 0 788310025 1214980096 503 33554432000 4194304 4230460 140735757140272 18446744073709551615 4207720 0 0 4096 0 0 0 0 17 3 0 0 0
/proc/21136/statm: 296626 503 103 9 0 293783 0

[startup+0.015265 s]
/proc/loadavg: 1.99 2.00 1.98 2/373 21136
/proc/meminfo: memFree=7643316/32951124 swapFree=37160472/67111528
[pid=21136] ppid=21134 vsize=1186504 CPUtime=0.01 cores=1,3,5,7
/proc/21136/stat : 21136 (sattime2011) R 21134 21136 20754 0 -1 4202496 559 0 0 0 1 0 0 0 25 0 1 0 788310025 1214980096 503 33554432000 4194304 4230460 140735757140272 18446744073709551615 4207932 0 0 4096 0 0 0 0 17 3 0 0 0
/proc/21136/statm: 296626 503 103 9 0 293783 0
Current children cumulated CPU time (s) 0.01
Current children cumulated vsize (KiB) 1186504

[startup+0.100285 s]
/proc/loadavg: 1.99 2.00 1.98 2/373 21136
/proc/meminfo: memFree=7643316/32951124 swapFree=37160472/67111528
[pid=21136] ppid=21134 vsize=1187168 CPUtime=0.09 cores=1,3,5,7
/proc/21136/stat : 21136 (sattime2011) R 21134 21136 20754 0 -1 4202496 899 0 0 0 9 0 0 0 25 0 1 0 788310025 1215660032 842 33554432000 4194304 4230460 140735757140272 18446744073709551615 4196480 0 0 4096 0 0 0 0 17 3 0 0 0
/proc/21136/statm: 296792 842 117 9 0 293949 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 1187168

[startup+0.300261 s]
/proc/loadavg: 1.99 2.00 1.98 2/373 21136
/proc/meminfo: memFree=7643316/32951124 swapFree=37160472/67111528
[pid=21136] ppid=21134 vsize=1187168 CPUtime=0.29 cores=1,3,5,7
/proc/21136/stat : 21136 (sattime2011) R 21134 21136 20754 0 -1 4202496 899 0 0 0 29 0 0 0 25 0 1 0 788310025 1215660032 842 33554432000 4194304 4230460 140735757140272 18446744073709551615 4223253 0 0 4096 0 0 0 0 17 3 0 0 0
/proc/21136/statm: 296792 842 117 9 0 293949 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 1187168

[startup+0.700177 s]
/proc/loadavg: 1.99 2.00 1.98 2/373 21136
/proc/meminfo: memFree=7643316/32951124 swapFree=37160472/67111528
[pid=21136] ppid=21134 vsize=1187168 CPUtime=0.69 cores=1,3,5,7
/proc/21136/stat : 21136 (sattime2011) R 21134 21136 20754 0 -1 4202496 899 0 0 0 69 0 0 0 25 0 1 0 788310025 1215660032 842 33554432000 4194304 4230460 140735757140272 18446744073709551615 4221554 0 0 4096 0 0 0 0 17 3 0 0 0
/proc/21136/statm: 296792 842 117 9 0 293949 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 1187168

[startup+1.50103 s]
/proc/loadavg: 1.99 2.00 1.98 3/374 21137
/proc/meminfo: memFree=7639464/32951124 swapFree=37160472/67111528
[pid=21136] ppid=21134 vsize=1187168 CPUtime=1.49 cores=1,3,5,7
/proc/21136/stat : 21136 (sattime2011) R 21134 21136 20754 0 -1 4202496 899 0 0 0 149 0 0 0 25 0 1 0 788310025 1215660032 842 33554432000 4194304 4230460 140735757140272 18446744073709551615 4223205 0 0 4096 0 0 0 0 17 3 0 0 0
/proc/21136/statm: 296792 842 117 9 0 293949 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 1187168

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

[startup+1.90096 s]
/proc/loadavg: 1.99 2.00 1.98 3/374 21137
/proc/meminfo: memFree=7639464/32951124 swapFree=37160472/67111528
[pid=21136] ppid=21134 vsize=1187168 CPUtime=1.89 cores=1,3,5,7
/proc/21136/stat : 21136 (sattime2011) R 21134 21136 20754 0 -1 4202496 899 0 0 0 189 0 0 0 25 0 1 0 788310025 1215660032 842 33554432000 4194304 4230460 140735757140272 18446744073709551615 230808567314 0 0 4096 0 0 0 0 17 3 0 0 0
/proc/21136/statm: 296792 842 117 9 0 293949 0
Current children cumulated CPU time (s) 1.89
Current children cumulated vsize (KiB) 1187168

[startup+2.30088 s]
/proc/loadavg: 1.99 2.00 1.98 3/374 21137
/proc/meminfo: memFree=7638828/32951124 swapFree=37160472/67111528
[pid=21136] ppid=21134 vsize=1187168 CPUtime=2.29 cores=1,3,5,7
/proc/21136/stat : 21136 (sattime2011) R 21134 21136 20754 0 -1 4202496 899 0 0 0 229 0 0 0 25 0 1 0 788310025 1215660032 842 33554432000 4194304 4230460 140735757140272 18446744073709551615 4200248 0 0 4096 0 0 0 0 17 3 0 0 0
/proc/21136/statm: 296792 842 117 9 0 293949 0
Current children cumulated CPU time (s) 2.29
Current children cumulated vsize (KiB) 1187168

[startup+2.40087 s]
/proc/loadavg: 1.99 2.00 1.98 3/374 21137
/proc/meminfo: memFree=7638828/32951124 swapFree=37160472/67111528
[pid=21136] ppid=21134 vsize=1187168 CPUtime=2.39 cores=1,3,5,7
/proc/21136/stat : 21136 (sattime2011) R 21134 21136 20754 0 -1 4202496 899 0 0 0 239 0 0 0 25 0 1 0 788310025 1215660032 842 33554432000 4194304 4230460 140735757140272 18446744073709551615 4219807 0 0 4096 0 0 0 0 17 3 0 0 0
/proc/21136/statm: 296792 842 117 9 0 293949 0
Current children cumulated CPU time (s) 2.39
Current children cumulated vsize (KiB) 1187168

Child status: 10
Real time (s): 2.48413
CPU time (s): 2.48362
CPU user time (s): 2.48262
CPU system time (s): 0.000999
CPU usage (%): 99.9796
Max. virtual memory (cumulated for all children) (KiB): 1187168

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 2.48262
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= 904
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= 4

runsolver used 0.013997 second user time and 0.024996 second system time

The end

Launcher Data

Begin job on node104 at 2011-05-30 16:51:36
IDJOB=3426690
IDBENCH=82662
IDSOLVER=1924
FILE ID=node104/3426690-1306767096
RUNJOBID= node104-1306761774-20773
PBS_JOBID= 13475020
Free space on /tmp= 59176 MiB

SOLVER NAME= sattime2011 2011-03-02
BENCH NAME= SAT11/random/large/unif-k3-r4.2-v2500-c10500-S1201761407-024-UNKNOWN.cnf
COMMAND LINE= sattime2011 BENCHNAME RANDOMSEED
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3426690-1306767096/watcher-3426690-1306767096 -o /tmp/evaluation-result-3426690-1306767096/solver-3426690-1306767096 -C 5000 -W 5100 -M 15500  sattime2011 HOME/instance-3426690-1306767096.cnf 1647456528

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

MD5SUM BENCH= f551de19344e39204ca6929dfef80a04
RANDOM SEED=1647456528

node104.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		: 2666.855
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	: 5333.71
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		: 2666.855
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	: 5332.83
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		: 2666.855
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	: 5332.67
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		: 2666.855
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	: 5332.80
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		: 2666.855
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	: 5293.18
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		: 2666.855
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	: 5332.83
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		: 2666.855
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		: 2666.855
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	: 5332.82
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]


/proc/meminfo:
MemTotal:     32951124 kB
MemFree:       7643596 kB
Buffers:        385552 kB
Cached:       22432672 kB
SwapCached:     152248 kB
Active:       18207488 kB
Inactive:      6396096 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32951124 kB
LowFree:       7643596 kB
SwapTotal:    67111528 kB
SwapFree:     37160472 kB
Dirty:            8172 kB
Writeback:           0 kB
AnonPages:     1645692 kB
Mapped:          11088 kB
Slab:           550636 kB
PageTables:      89384 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83587088 kB
Committed_AS: 88911268 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= 59168 MiB
End job on node104 at 2011-05-30 16:51:38