Trace number 3158931

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
csls pnorm-8coresSAT 0.755884 0.192698

General information on the benchmark

Namerandom/large/
unif-k3-r4.2-v2500-c10500-S722024572-014-UNKNOWN.cnf
MD5SUM875a8b1e044c25599d3c66c1e66d27f4
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.247961
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

0.00/0.00	c Input seed 770611857 used seed: 770611857
0.60/0.19	s SATISFIABLE
0.60/0.19	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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0.60/0.19	c Min false clauses Core[0]: 0
0.60/0.19	c Min false clauses Core[1]: 4
0.60/0.19	c Min false clauses Core[2]: 7
0.60/0.19	c Min false clauses Core[3]: 7

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-3158931-1307643393/watcher-3158931-1307643393 -o /tmp/evaluation-result-3158931-1307643393/solver-3158931-1307643393 -C 4800 -W 1300 -M 15500 HOME/csls-pnorm -maxcores 8 HOME/instance-3158931-1307643393.cnf 4 770611857 

running on 4 cores: 0,2,4,6

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 4800 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 4830 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 1300 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: 4.81 4.08 3.94 5/180 7487
/proc/meminfo: memFree=32146608/32951124 swapFree=67051740/67111528
[pid=7487] ppid=7485 vsize=50760 CPUtime=0 cores=0,2,4,6
/proc/7487/stat : 7487 (csls-pnorm) R 7485 7487 7396 0 -1 4202496 422 0 0 0 0 0 0 0 25 0 4 0 875937261 51978240 361 33554432000 4194304 4563110 140736059467696 18446744073709551615 47834791958448 0 0 4096 16384 18446744073709551615 0 0 17 4 0 0 0
/proc/7487/statm: 12690 361 298 91 0 8208 0
[pid=7487/tid=7488] ppid=7485 vsize=50760 CPUtime=0 cores=0,2,4,6
/proc/7487/task/7488/stat : 7488 (csls-pnorm) R 7485 7487 7396 0 -1 4202560 0 0 0 0 0 0 0 0 25 0 4 0 875937261 51978240 361 33554432000 4194304 4563110 140736059467696 18446744073709551615 228122770417 0 0 4096 16384 0 0 0 -1 4 0 0 0
[pid=7487/tid=7489] ppid=7485 vsize=50760 CPUtime=0 cores=0,2,4,6
/proc/7487/task/7489/stat : 7489 (csls-pnorm) R 7485 7487 7396 0 -1 4202560 0 0 0 0 0 0 0 0 25 0 4 0 875937261 51978240 361 33554432000 4194304 4563110 140736059467696 18446744073709551615 228134511670 0 0 4096 16384 0 0 0 -1 0 0 0 0
[pid=7487/tid=7490] ppid=7485 vsize=50760 CPUtime=0 cores=0,2,4,6
/proc/7487/task/7490/stat : 7490 (csls-pnorm) R 7485 7487 7396 0 -1 4202560 1 0 0 0 0 0 0 0 25 0 4 0 875937261 51978240 361 33554432000 4194304 4563110 140736059467696 18446744073709551615 47834791958450 0 0 4096 16384 0 0 0 -1 2 0 0 0

[startup+0.0128611 s]
/proc/loadavg: 4.81 4.08 3.94 5/180 7487
/proc/meminfo: memFree=32146608/32951124 swapFree=67051740/67111528
[pid=7487] ppid=7485 vsize=128604 CPUtime=0.03 cores=0,2,4,6
/proc/7487/stat : 7487 (csls-pnorm) D 7485 7487 7396 0 -1 4202496 970 0 0 0 3 0 0 0 25 0 4 0 875937261 131690496 872 33554432000 4194304 4563110 140736059467696 18446744073709551615 228122369008 0 0 4096 16384 18446744073709551615 0 0 17 4 0 0 0
/proc/7487/statm: 32151 872 333 91 0 27669 0
[pid=7487/tid=7488] ppid=7485 vsize=128604 CPUtime=0 cores=0,2,4,6
/proc/7487/task/7488/stat : 7488 (csls-pnorm) R 7485 7487 7396 0 -1 4202560 133 0 0 0 0 0 0 0 25 0 4 0 875937261 131690496 872 33554432000 4194304 4563110 140736059467696 18446744073709551615 228122757255 0 0 4096 16384 0 0 0 -1 6 0 0 0
[pid=7487/tid=7489] ppid=7485 vsize=128604 CPUtime=0 cores=0,2,4,6
/proc/7487/task/7489/stat : 7489 (csls-pnorm) D 7485 7487 7396 0 -1 4202560 142 0 0 0 0 0 0 0 25 0 4 0 875937261 131690496 872 33554432000 4194304 4563110 140736059467696 18446744073709551615 228122757255 0 0 4096 16384 0 0 0 -1 0 0 0 0
[pid=7487/tid=7490] ppid=7485 vsize=128604 CPUtime=0 cores=0,2,4,6
/proc/7487/task/7490/stat : 7490 (csls-pnorm) D 7485 7487 7396 0 -1 4202560 136 0 0 0 0 0 0 0 25 0 4 0 875937261 131690496 872 33554432000 4194304 4563110 140736059467696 18446744073709551615 4462592 0 0 4096 16384 0 0 0 -1 2 0 0 0
Current children cumulated CPU time (s) 0.03
Current children cumulated vsize (KiB) 128604

[startup+0.156258 s]
/proc/loadavg: 4.81 4.08 3.94 5/180 7487
/proc/meminfo: memFree=32146608/32951124 swapFree=67051740/67111528
[pid=7487] ppid=7485 vsize=128596 CPUtime=0.6 cores=0,2,4,6
/proc/7487/stat : 7487 (csls-pnorm) R 7485 7487 7396 0 -1 4202496 1424 0 0 0 60 0 0 0 25 0 4 0 875937261 131682304 1320 33554432000 4194304 4563110 140736059467696 18446744073709551615 4233619 0 0 4096 16384 18446744073709551615 0 0 17 4 0 0 0
/proc/7487/statm: 32149 1320 339 91 0 27667 0
[pid=7487/tid=7488] ppid=7485 vsize=128596 CPUtime=0.14 cores=0,2,4,6
/proc/7487/task/7488/stat : 7488 (csls-pnorm) R 7485 7487 7396 0 -1 4202560 239 0 0 0 14 0 0 0 25 0 4 0 875937261 131682304 1320 33554432000 4194304 4563110 140736059467696 18446744073709551615 4438425 0 0 4096 16384 0 0 0 -1 6 0 0 0
[pid=7487/tid=7489] ppid=7485 vsize=128596 CPUtime=0.15 cores=0,2,4,6
/proc/7487/task/7489/stat : 7489 (csls-pnorm) R 7485 7487 7396 0 -1 4202560 249 0 0 0 15 0 0 0 25 0 4 0 875937261 131682304 1320 33554432000 4194304 4563110 140736059467696 18446744073709551615 4438835 0 0 4096 16384 0 0 0 -1 0 0 0 0
[pid=7487/tid=7490] ppid=7485 vsize=128596 CPUtime=0.15 cores=0,2,4,6
/proc/7487/task/7490/stat : 7490 (csls-pnorm) R 7485 7487 7396 0 -1 4202560 246 0 0 0 15 0 0 0 25 0 4 0 875937261 131682304 1320 33554432000 4194304 4563110 140736059467696 18446744073709551615 4439148 0 0 4096 16384 0 0 0 -1 2 0 0 0
Current children cumulated CPU time (s) 0.6
Current children cumulated vsize (KiB) 128596

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

Child status: 0
Real time (s): 0.192698
CPU time (s): 0.755884
CPU user time (s): 0.753885
CPU system time (s): 0.001999
CPU usage (%): 392.264
Max. virtual memory (cumulated for all children) (KiB): 128604

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.753885
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= 1427
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= 40
involuntary context switches= 8

runsolver used 0.001999 second user time and 0.003999 second system time

The end

Launcher Data

Begin job on node138 at 2011-06-09 20:16:33
IDJOB=3158931
IDBENCH=82554
IDSOLVER=1570
FILE ID=node138/3158931-1307643393
RUNJOBID= node138-1307643360-7414
PBS_JOBID= 13549404
Free space on /tmp= 74108 MiB

SOLVER NAME= csls pnorm-8cores
BENCH NAME= SAT11/random/large/unif-k3-r4.2-v2500-c10500-S722024572-014-UNKNOWN.cnf
COMMAND LINE= HOME/csls-pnorm -maxcores 8 BENCHNAME NBCORE RANDOMSEED
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3158931-1307643393/watcher-3158931-1307643393 -o /tmp/evaluation-result-3158931-1307643393/solver-3158931-1307643393 -C 4800 -W 1300 -M 15500  HOME/csls-pnorm -maxcores 8 HOME/instance-3158931-1307643393.cnf 4 770611857

TIME LIMIT= 4800 seconds
MEMORY LIMIT= 15500 MiB
NBCORE= 4

MD5SUM BENCH= 875a8b1e044c25599d3c66c1e66d27f4
RANDOM SEED=770611857

node138.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	: 5332.82
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		: 2666.854
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	: 5332.80
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	: 5332.75
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]


/proc/meminfo:
MemTotal:     32951124 kB
MemFree:      32147028 kB
Buffers:        201308 kB
Cached:         383500 kB
SwapCached:      13344 kB
Active:         365620 kB
Inactive:       250528 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32951124 kB
LowFree:      32147028 kB
SwapTotal:    67111528 kB
SwapFree:     67051740 kB
Dirty:            2388 kB
Writeback:           0 kB
AnonPages:       28320 kB
Mapped:           9304 kB
Slab:           124700 kB
PageTables:       4536 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83587088 kB
Committed_AS:   260176 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= 74108 MiB
End job on node138 at 2011-06-09 20:16:33