Trace number 1777312

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
gNovelty+-T 2009-03-22 (4 threads)SAT 3.97 1.1627

General information on the benchmark

NameRANDOM/LARGE/3SAT/UNKNOWN/2000/
unif-k3-r4.2-v2000-c8400-S136987316-008.cnf
MD5SUMf6ddf1b0f08bcc31521c4b74db5ce22f
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark3.97
Satisfiable
(Un)Satisfiability was proved
Number of variables2000
Number of clauses8400
Sum of the clauses size25200
Maximum clause length3
Minimum clause length3
Number of clauses of size 10
Number of clauses of size 20
Number of clauses of size 38400
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data 

0.10/0.10	c +------------------------------+
0.10/0.10	c | gNovelty+, version 1.0       |
0.10/0.10	c +------------------------------+
0.10/0.10	c gnovelty+ -h for help
0.10/0.10	c 
3.79/1.15	s SATISFIABLE
3.79/1.15	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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3.79/1.15	c Done in 2.250000 seconds

Verifier Data 

OK

Watcher Data 

runsolver version 3.2.9 (svn:503) (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w /tmp/evaluation-result-1777312-1243443320/watcher-1777312-1243443320 -o /tmp/evaluation-result-1777312-1243443320/solver-1777312-1243443320 -C 5000 -W 1000 -M 2047 HOME/gnovelty+ HOME/instance-1777312-1243443320.cnf 923392357 4 

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): 1000 seconds
Enforcing VSIZE limit (soft limit, will send SIGTERM then SIGKILL): 2096128 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 2147328 KiB
Current StackSize limit: 8192 KiB


[startup+0 s]
/proc/loadavg: 4.33 4.82 4.86 3/115 31554
/proc/meminfo: memFree=3166904/3368532 swapFree=1941392/1959888
[pid=31554] ppid=31552 vsize=509228 CPUtime=0.01
/proc/31554/stat : 31554 (gnovelty+) R 31552 31554 24991 0 -1 4202496 1777 0 0 0 0 1 0 0 18 0 1 0 1109011776 521449472 1734 4294967295 134512640 135680988 3214081152 3214080416 134537167 0 0 0 0 0 0 0 17 0 0 0 0
/proc/31554/statm: 127307 1743 99 286 0 127019 0

[startup+0.090407 s]
/proc/loadavg: 4.33 4.82 4.86 3/115 31554
/proc/meminfo: memFree=3166904/3368532 swapFree=1941392/1959888
[pid=31554] ppid=31552 vsize=517040 CPUtime=0.1
/proc/31554/stat : 31554 (gnovelty+) R 31552 31554 24991 0 -1 4202496 19330 0 0 0 4 6 0 0 18 0 1 0 1109011776 529448960 19286 4294967295 134512640 135680988 3214081152 3214080416 134537905 0 0 0 0 0 0 0 17 0 0 0 0
/proc/31554/statm: 129260 19297 99 286 0 128972 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 517040

[startup+0.110385 s]
/proc/loadavg: 4.33 4.82 4.86 3/115 31554
/proc/meminfo: memFree=3166904/3368532 swapFree=1941392/1959888
[pid=31554] ppid=31552 vsize=546848 CPUtime=0.12
/proc/31554/stat : 31554 (gnovelty+) R 31552 31554 24991 0 -1 4202496 19947 0 0 0 6 6 0 0 18 0 4 0 1109011776 559972352 19903 4294967295 134512640 135680988 3214081152 3214080484 134533073 0 0 0 0 4294967295 0 0 17 0 0 0 0
/proc/31554/statm: 136712 19903 103 286 0 136424 0
Current children cumulated CPU time (s) 0.12
Current children cumulated vsize (KiB) 546848

[startup+0.310423 s]
/proc/loadavg: 4.33 4.82 4.86 3/115 31554
/proc/meminfo: memFree=3166904/3368532 swapFree=1941392/1959888
[pid=31554] ppid=31552 vsize=546848 CPUtime=0.79
/proc/31554/stat : 31554 (gnovelty+) R 31552 31554 24991 0 -1 4202496 20114 0 0 0 48 31 0 0 16 0 4 0 1109011776 559972352 20070 4294967295 134512640 135680988 3214081152 3214080348 134957422 0 0 0 0 4294967295 0 0 17 0 0 0 0
/proc/31554/statm: 136712 20070 103 286 0 136424 0
Current children cumulated CPU time (s) 0.79
Current children cumulated vsize (KiB) 546848

[startup+0.710392 s]
/proc/loadavg: 4.33 4.82 4.86 3/115 31554
/proc/meminfo: memFree=3166904/3368532 swapFree=1941392/1959888
[pid=31554] ppid=31552 vsize=546848 CPUtime=2.29
/proc/31554/stat : 31554 (gnovelty+) R 31552 31554 24991 0 -1 4202496 20114 0 0 0 134 95 0 0 15 0 4 0 1109011776 559972352 20070 4294967295 134512640 135680988 3214081152 3214080396 134957681 0 0 0 0 4294967295 0 0 17 0 0 0 0
/proc/31554/statm: 136712 20070 103 286 0 136424 0
Current children cumulated CPU time (s) 2.29
Current children cumulated vsize (KiB) 546848

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

[startup+1.11037 s]
/proc/loadavg: 4.33 4.82 4.86 5/119 31558
/proc/meminfo: memFree=3087484/3368532 swapFree=1941392/1959888
[pid=31554] ppid=31552 vsize=546848 CPUtime=3.79
/proc/31554/stat : 31554 (gnovelty+) R 31552 31554 24991 0 -1 4202496 20114 0 0 0 219 160 0 0 15 0 4 0 1109011776 559972352 20070 4294967295 134512640 135680988 3214081152 3214080396 134957681 0 0 0 0 4294967295 0 0 17 0 0 0 0
/proc/31554/statm: 136712 20070 103 286 0 136424 0
[pid=31554/tid=31556] ppid=31552 vsize=546848 CPUtime=0.84
/proc/31554/task/31556/stat : 31556 (gnovelty+) R 31552 31554 24991 0 -1 4202560 54 0 0 0 47 37 0 0 15 0 4 0 1109011786 559972352 20070 4294967295 134512640 135680988 3214081152 3077333340 134957681 0 0 0 0 0 0 0 -1 3 0 0 0
[pid=31554/tid=31557] ppid=31552 vsize=546848 CPUtime=0.95
/proc/31554/task/31557/stat : 31557 (gnovelty+) R 31552 31554 24991 0 -1 4202560 57 0 0 0 64 31 0 0 15 0 4 0 1109011786 559972352 20070 4294967295 134512640 135680988 3214081152 3067941212 134957681 0 0 0 0 0 0 0 -1 2 0 0 0
[pid=31554/tid=31558] ppid=31552 vsize=546848 CPUtime=0.94
/proc/31554/task/31558/stat : 31558 (gnovelty+) R 31552 31554 24991 0 -1 4202560 56 0 0 0 53 41 0 0 15 0 4 0 1109011786 559972352 20070 4294967295 134512640 135680988 3214081152 3058549084 134957422 0 0 0 0 0 0 0 -1 1 0 0 0
Current children cumulated CPU time (s) 3.79
Current children cumulated vsize (KiB) 546848

Child status: 10
Real time (s): 1.1627
CPU time (s): 3.97
CPU user time (s): 2.31
CPU system time (s): 1.66
CPU usage (%): 341.446
Max. virtual memory (cumulated for all children) (KiB): 546848

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 2.31
system time used= 1.66
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 20131
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= 93542
involuntary context switches= 477

runsolver used 0.01 second user time and 0.01 second system time

The end

Launcher Data 

Begin job on  at 2009-05-27 18:55:20
IDJOB=1777312
IDBENCH=70286
IDSOLVER=617
FILE ID=/1777312-1243443320
PBS_JOBID=
Free space on /tmp= 15730 MiB

SOLVER NAME= gNovelty+-T 2009-03-22 (4 threads)
BENCH NAME= SAT09/RANDOM/LARGE/3SAT/UNKNOWN/2000/unif-k3-r4.2-v2000-c8400-S136987316-008.cnf
COMMAND LINE= HOME/gnovelty+ BENCHNAME RANDOMSEED MAXNBTHREAD
RUNSOLVER COMMAND LINE= runsolver --timestamp  -w /tmp/evaluation-result-1777312-1243443320/watcher-1777312-1243443320 -o /tmp/evaluation-result-1777312-1243443320/solver-1777312-1243443320 -C 5000 -W 1000 -M 2047  HOME/gnovelty+ HOME/instance-1777312-1243443320.cnf 923392357 4

TIME LIMIT= 5000 seconds
MEMORY LIMIT= 2047 MiB
MAX NB THREAD= 4

MD5SUM BENCH= f6ddf1b0f08bcc31521c4b74db5ce22f
RANDOM SEED= 923392357

Linux (none) 2.6.21.5 #6 SMP Wed Jul 4 17:16:38 CEST 2007 i686 GNU/Linux

/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 15
model name	: Intel(R) Xeon(R) CPU            5130  @ 2.00GHz
stepping	: 6
cpu MHz		: 1995.143
cache size	: 4096 KB
physical id	: 0
siblings	: 2
core id		: 0
cpu cores	: 2
fdiv_bug	: no
hlt_bug		: no
f00f_bug	: no
coma_bug	: no
fpu		: yes
fpu_exception	: yes
cpuid level	: 10
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 pbe lm constant_tsc pni monitor ds_cpl vmx tm2 ssse3 cx16 xtpr dca lahf_lm
bogomips	: 3992.42
clflush size	: 64

processor	: 1
vendor_id	: GenuineIntel
cpu family	: 6
model		: 15
model name	: Intel(R) Xeon(R) CPU            5130  @ 2.00GHz
stepping	: 6
cpu MHz		: 1995.143
cache size	: 4096 KB
physical id	: 0
siblings	: 2
core id		: 1
cpu cores	: 2
fdiv_bug	: no
hlt_bug		: no
f00f_bug	: no
coma_bug	: no
fpu		: yes
fpu_exception	: yes
cpuid level	: 10
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 pbe lm constant_tsc pni monitor ds_cpl vmx tm2 ssse3 cx16 xtpr dca lahf_lm
bogomips	: 3990.11
clflush size	: 64

processor	: 2
vendor_id	: GenuineIntel
cpu family	: 6
model		: 15
model name	: Intel(R) Xeon(R) CPU            5130  @ 2.00GHz
stepping	: 6
cpu MHz		: 1995.143
cache size	: 4096 KB
physical id	: 3
siblings	: 2
core id		: 0
cpu cores	: 2
fdiv_bug	: no
hlt_bug		: no
f00f_bug	: no
coma_bug	: no
fpu		: yes
fpu_exception	: yes
cpuid level	: 10
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 pbe lm constant_tsc pni monitor ds_cpl vmx tm2 ssse3 cx16 xtpr dca lahf_lm
bogomips	: 3990.17
clflush size	: 64

processor	: 3
vendor_id	: GenuineIntel
cpu family	: 6
model		: 15
model name	: Intel(R) Xeon(R) CPU            5130  @ 2.00GHz
stepping	: 6
cpu MHz		: 1995.143
cache size	: 4096 KB
physical id	: 3
siblings	: 2
core id		: 1
cpu cores	: 2
fdiv_bug	: no
hlt_bug		: no
f00f_bug	: no
coma_bug	: no
fpu		: yes
fpu_exception	: yes
cpuid level	: 10
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 pbe lm constant_tsc pni monitor ds_cpl vmx tm2 ssse3 cx16 xtpr dca lahf_lm
bogomips	: 3990.15
clflush size	: 64


/proc/meminfo:
MemTotal:      3368532 kB
MemFree:       3166904 kB
Buffers:         12980 kB
Cached:         116308 kB
SwapCached:       4320 kB
Active:         105056 kB
Inactive:        34964 kB
HighTotal:     2489216 kB
HighFree:      2359820 kB
LowTotal:       879316 kB
LowFree:        807084 kB
SwapTotal:     1959888 kB
SwapFree:      1941392 kB
Dirty:            1436 kB
Writeback:           0 kB
AnonPages:        9524 kB
Mapped:           4476 kB
Slab:            50760 kB
SReclaimable:    42760 kB
SUnreclaim:       8000 kB
PageTables:        756 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   3644152 kB
Committed_AS:   127264 kB
VmallocTotal:   114680 kB
VmallocUsed:      1444 kB
VmallocChunk:   113072 kB

Free space on /tmp at the end= 15730 MiB
End job on  at 2009-05-27 18:55:21