Trace number 1522684

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
NCVWr 2009-03-22SAT 113.756 113.783

General information on the benchmark

NameRANDOM/LARGE/3SAT/UNKNOWN/2000/
unif-k3-r4.2-v2000-c8400-S1494472801-040.cnf
MD5SUM68d6a1970f04966f07e2b02a79996009
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.725889
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 

113.67/113.78	c try 1 flip j 40094023
113.67/113.78	c A solution is found
113.67/113.78	s SATISFIABLE
113.67/113.78	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 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113.67/113.78	v 0 
113.67/113.78	c Done (mycputime is 113.740 seconds)

Verifier Data 

OK

Watcher Data 

runsolver version 3.2.9 (svn:489) (c) roussel@cril.univ-artois.fr

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1522684-1238388970/watcher-1522684-1238388970 -o /tmp/evaluation-result-1522684-1238388970/solver-1522684-1238388970 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/NCVWr HOME/instance-1522684-1238388970.cnf 1458388592 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 1200 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 1230 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 1800 seconds
Enforcing VSIZE limit (soft limit, will send SIGTERM then SIGKILL): 1843200 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 1894400 KiB
Solver output will be limited to a maximum of 15728640 bytes. The first 1048576 bytes and the last 14680064 bytes will be preserved
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 0.99 0.98 0.99 3/64 7197
/proc/meminfo: memFree=1640160/2055920 swapFree=4178796/4192956
[pid=7197] ppid=7195 vsize=411884 CPUtime=0
/proc/7197/stat : 7197 (NCVWr) R 7195 7197 6894 0 -1 4194304 119 0 0 0 0 0 0 0 18 0 1 0 1111558829 421769216 104 1992294400 134512640 135113558 4294956224 18446744073709551615 134619510 0 0 4096 0 0 0 0 17 1 0 0
/proc/7197/statm: 102971 104 55 146 0 101846 0

[startup+0.0676719 s]
/proc/loadavg: 0.99 0.98 0.99 3/64 7197
/proc/meminfo: memFree=1640160/2055920 swapFree=4178796/4192956
[pid=7197] ppid=7195 vsize=416708 CPUtime=0.06
/proc/7197/stat : 7197 (NCVWr) R 7195 7197 6894 0 -1 4194304 472 0 0 0 6 0 0 0 18 0 1 0 1111558829 426708992 456 1992294400 134512640 135113558 4294956224 18446744073709551615 134532494 0 0 4096 0 0 0 0 17 1 0 0
/proc/7197/statm: 104177 456 58 146 0 103052 0
Current children cumulated CPU time (s) 0.06
Current children cumulated vsize (KiB) 416708

[startup+0.101673 s]
/proc/loadavg: 0.99 0.98 0.99 3/64 7197
/proc/meminfo: memFree=1640160/2055920 swapFree=4178796/4192956
[pid=7197] ppid=7195 vsize=416708 CPUtime=0.09
/proc/7197/stat : 7197 (NCVWr) R 7195 7197 6894 0 -1 4194304 472 0 0 0 9 0 0 0 18 0 1 0 1111558829 426708992 456 1992294400 134512640 135113558 4294956224 18446744073709551615 134531012 0 0 4096 0 0 0 0 17 1 0 0
/proc/7197/statm: 104177 456 58 146 0 103052 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 416708

[startup+0.30169 s]
/proc/loadavg: 0.99 0.98 0.99 3/64 7197
/proc/meminfo: memFree=1640160/2055920 swapFree=4178796/4192956
[pid=7197] ppid=7195 vsize=416708 CPUtime=0.29
/proc/7197/stat : 7197 (NCVWr) R 7195 7197 6894 0 -1 4194304 472 0 0 0 29 0 0 0 19 0 1 0 1111558829 426708992 456 1992294400 134512640 135113558 4294956224 18446744073709551615 134531326 0 0 4096 0 0 0 0 17 1 0 0
/proc/7197/statm: 104177 456 58 146 0 103052 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 416708

[startup+0.701724 s]
/proc/loadavg: 0.99 0.98 0.99 3/64 7197
/proc/meminfo: memFree=1640160/2055920 swapFree=4178796/4192956
[pid=7197] ppid=7195 vsize=416708 CPUtime=0.69
/proc/7197/stat : 7197 (NCVWr) R 7195 7197 6894 0 -1 4194304 472 0 0 0 69 0 0 0 22 0 1 0 1111558829 426708992 456 1992294400 134512640 135113558 4294956224 18446744073709551615 134520898 0 0 4096 0 0 0 0 17 1 0 0
/proc/7197/statm: 104177 456 58 146 0 103052 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 416708

[startup+1.50179 s]
/proc/loadavg: 0.99 0.98 0.99 2/65 7198
/proc/meminfo: memFree=1638360/2055920 swapFree=4178796/4192956
[pid=7197] ppid=7195 vsize=416708 CPUtime=1.49
/proc/7197/stat : 7197 (NCVWr) R 7195 7197 6894 0 -1 4194304 472 0 0 0 149 0 0 0 25 0 1 0 1111558829 426708992 456 1992294400 134512640 135113558 4294956224 18446744073709551615 134533970 0 0 4096 0 0 0 0 17 1 0 0
/proc/7197/statm: 104177 456 58 146 0 103052 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 416708

[startup+3.10193 s]
/proc/loadavg: 0.99 0.98 0.99 2/65 7198
/proc/meminfo: memFree=1638232/2055920 swapFree=4178796/4192956
[pid=7197] ppid=7195 vsize=416708 CPUtime=3.09
/proc/7197/stat : 7197 (NCVWr) R 7195 7197 6894 0 -1 4194304 472 0 0 0 309 0 0 0 25 0 1 0 1111558829 426708992 456 1992294400 134512640 135113558 4294956224 18446744073709551615 134531229 0 0 4096 0 0 0 0 17 1 0 0
/proc/7197/statm: 104177 456 58 146 0 103052 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 416708

[startup+6.30121 s]
/proc/loadavg: 0.99 0.98 0.99 2/65 7198
/proc/meminfo: memFree=1638104/2055920 swapFree=4178796/4192956
[pid=7197] ppid=7195 vsize=416708 CPUtime=6.29
/proc/7197/stat : 7197 (NCVWr) R 7195 7197 6894 0 -1 4194304 472 0 0 0 629 0 0 0 25 0 1 0 1111558829 426708992 456 1992294400 134512640 135113558 4294956224 18446744073709551615 134534097 0 0 4096 0 0 0 0 17 1 0 0
/proc/7197/statm: 104177 456 58 146 0 103052 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 416708

[startup+12.7028 s]
/proc/loadavg: 0.99 0.98 0.99 2/65 7198
/proc/meminfo: memFree=1638112/2055920 swapFree=4178796/4192956
[pid=7197] ppid=7195 vsize=416708 CPUtime=12.69
/proc/7197/stat : 7197 (NCVWr) R 7195 7197 6894 0 -1 4194304 472 0 0 0 1269 0 0 0 25 0 1 0 1111558829 426708992 456 1992294400 134512640 135113558 4294956224 18446744073709551615 134534027 0 0 4096 0 0 0 0 17 1 0 0
/proc/7197/statm: 104177 456 58 146 0 103052 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 416708

[startup+25.5019 s]
/proc/loadavg: 0.99 0.98 0.99 2/65 7198
/proc/meminfo: memFree=1638112/2055920 swapFree=4178796/4192956
[pid=7197] ppid=7195 vsize=416708 CPUtime=25.49
/proc/7197/stat : 7197 (NCVWr) R 7195 7197 6894 0 -1 4194304 472 0 0 0 2549 0 0 0 25 0 1 0 1111558829 426708992 456 1992294400 134512640 135113558 4294956224 18446744073709551615 134531906 0 0 4096 0 0 0 0 17 1 0 0
/proc/7197/statm: 104177 456 58 146 0 103052 0
Current children cumulated CPU time (s) 25.49
Current children cumulated vsize (KiB) 416708

[startup+51.1011 s]
/proc/loadavg: 0.99 0.98 0.99 2/65 7198
/proc/meminfo: memFree=1638112/2055920 swapFree=4178796/4192956
[pid=7197] ppid=7195 vsize=416708 CPUtime=51.08
/proc/7197/stat : 7197 (NCVWr) R 7195 7197 6894 0 -1 4194304 473 0 0 0 5108 0 0 0 25 0 1 0 1111558829 426708992 457 1992294400 134512640 135113558 4294956224 18446744073709551615 134531766 0 0 4096 0 0 0 0 17 1 0 0
/proc/7197/statm: 104177 457 58 146 0 103052 0
Current children cumulated CPU time (s) 51.08
Current children cumulated vsize (KiB) 416708

[startup+102.306 s]
/proc/loadavg: 0.99 0.98 0.99 2/65 7198
/proc/meminfo: memFree=1638112/2055920 swapFree=4178796/4192956
[pid=7197] ppid=7195 vsize=416708 CPUtime=102.27
/proc/7197/stat : 7197 (NCVWr) R 7195 7197 6894 0 -1 4194304 473 0 0 0 10227 0 0 0 25 0 1 0 1111558829 426708992 457 1992294400 134512640 135113558 4294956224 18446744073709551615 134530262 0 0 4096 0 0 0 0 17 1 0 0
/proc/7197/statm: 104177 457 58 146 0 103052 0
Current children cumulated CPU time (s) 102.27
Current children cumulated vsize (KiB) 416708

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

[startup+108.701 s]
/proc/loadavg: 0.99 0.98 0.99 2/65 7198
/proc/meminfo: memFree=1638112/2055920 swapFree=4178796/4192956
[pid=7197] ppid=7195 vsize=416708 CPUtime=108.67
/proc/7197/stat : 7197 (NCVWr) R 7195 7197 6894 0 -1 4194304 473 0 0 0 10867 0 0 0 25 0 1 0 1111558829 426708992 457 1992294400 134512640 135113558 4294956224 18446744073709551615 134532058 0 0 4096 0 0 0 0 17 1 0 0
/proc/7197/statm: 104177 457 58 146 0 103052 0
Current children cumulated CPU time (s) 108.67
Current children cumulated vsize (KiB) 416708

[startup+111.901 s]
/proc/loadavg: 0.99 0.98 0.99 2/65 7198
/proc/meminfo: memFree=1638112/2055920 swapFree=4178796/4192956
[pid=7197] ppid=7195 vsize=416708 CPUtime=111.87
/proc/7197/stat : 7197 (NCVWr) R 7195 7197 6894 0 -1 4194304 473 0 0 0 11187 0 0 0 25 0 1 0 1111558829 426708992 457 1992294400 134512640 135113558 4294956224 18446744073709551615 134531768 0 0 4096 0 0 0 0 17 1 0 0
/proc/7197/statm: 104177 457 58 146 0 103052 0
Current children cumulated CPU time (s) 111.87
Current children cumulated vsize (KiB) 416708

[startup+112.701 s]
/proc/loadavg: 0.99 0.98 0.99 2/65 7198
/proc/meminfo: memFree=1638112/2055920 swapFree=4178796/4192956
[pid=7197] ppid=7195 vsize=416708 CPUtime=112.67
/proc/7197/stat : 7197 (NCVWr) R 7195 7197 6894 0 -1 4194304 473 0 0 0 11267 0 0 0 25 0 1 0 1111558829 426708992 457 1992294400 134512640 135113558 4294956224 18446744073709551615 134531329 0 0 4096 0 0 0 0 17 1 0 0
/proc/7197/statm: 104177 457 58 146 0 103052 0
Current children cumulated CPU time (s) 112.67
Current children cumulated vsize (KiB) 416708

[startup+113.502 s]
/proc/loadavg: 0.99 0.98 0.99 2/65 7198
/proc/meminfo: memFree=1638112/2055920 swapFree=4178796/4192956
[pid=7197] ppid=7195 vsize=416708 CPUtime=113.47
/proc/7197/stat : 7197 (NCVWr) R 7195 7197 6894 0 -1 4194304 473 0 0 0 11347 0 0 0 25 0 1 0 1111558829 426708992 457 1992294400 134512640 135113558 4294956224 18446744073709551615 134533891 0 0 4096 0 0 0 0 17 1 0 0
/proc/7197/statm: 104177 457 58 146 0 103052 0
Current children cumulated CPU time (s) 113.47
Current children cumulated vsize (KiB) 416708

[startup+113.702 s]
/proc/loadavg: 0.99 0.98 0.99 2/65 7198
/proc/meminfo: memFree=1638112/2055920 swapFree=4178796/4192956
[pid=7197] ppid=7195 vsize=416708 CPUtime=113.67
/proc/7197/stat : 7197 (NCVWr) R 7195 7197 6894 0 -1 4194304 473 0 0 0 11367 0 0 0 25 0 1 0 1111558829 426708992 457 1992294400 134512640 135113558 4294956224 18446744073709551615 134534202 0 0 4096 0 0 0 0 17 1 0 0
/proc/7197/statm: 104177 457 58 146 0 103052 0
Current children cumulated CPU time (s) 113.67
Current children cumulated vsize (KiB) 416708

Child status: 10
Real time (s): 113.783
CPU time (s): 113.756
CPU user time (s): 113.752
CPU system time (s): 0.003999
CPU usage (%): 99.9761
Max. virtual memory (cumulated for all children) (KiB): 416708

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 113.752
system time used= 0.003999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 488
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= 3
involuntary context switches= 119

runsolver used 0.089986 second user time and 0.246962 second system time

The end

Launcher Data 

Begin job on node57 at 2009-03-30 06:56:10
IDJOB=1522684
IDBENCH=70292
IDSOLVER=531
FILE ID=node57/1522684-1238388970
PBS_JOBID= 9061327
Free space on /tmp= 66264 MiB

SOLVER NAME= NCVWr 2009-03-22
BENCH NAME= SAT09/RANDOM/LARGE/3SAT/UNKNOWN/2000/unif-k3-r4.2-v2000-c8400-S1494472801-040.cnf
COMMAND LINE= HOME/NCVWr BENCHNAME RANDOMSEED
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1522684-1238388970/watcher-1522684-1238388970 -o /tmp/evaluation-result-1522684-1238388970/solver-1522684-1238388970 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/NCVWr HOME/instance-1522684-1238388970.cnf 1458388592

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB
MAX NB THREAD= 0

MD5SUM BENCH= 68d6a1970f04966f07e2b02a79996009
RANDOM SEED=1458388592

node57.alineos.net Linux 2.6.9-22.EL.rootsmp #1 SMP Mon Oct 3 08:59:52 CEST 2005

/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 15
model		: 4
model name	:                   Intel(R) Xeon(TM) CPU 3.00GHz
stepping	: 3
cpu MHz		: 3000.213
cache size	: 2048 KB
fpu		: yes
fpu_exception	: yes
cpuid level	: 5
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 lm pni monitor ds_cpl cid cx16 xtpr
bogomips	: 5914.62
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:

processor	: 1
vendor_id	: GenuineIntel
cpu family	: 15
model		: 4
model name	:                   Intel(R) Xeon(TM) CPU 3.00GHz
stepping	: 3
cpu MHz		: 3000.213
cache size	: 2048 KB
fpu		: yes
fpu_exception	: yes
cpuid level	: 5
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 lm pni monitor ds_cpl cid cx16 xtpr
bogomips	: 5586.94
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2055920 kB
MemFree:       1640576 kB
Buffers:         55468 kB
Cached:         268992 kB
SwapCached:       7992 kB
Active:          66208 kB
Inactive:       267684 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1640576 kB
SwapTotal:     4192956 kB
SwapFree:      4178796 kB
Dirty:            4720 kB
Writeback:           0 kB
Mapped:          15100 kB
Slab:            67468 kB
Committed_AS:  2538648 kB
PageTables:       1392 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264952 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 66260 MiB
End job on node57 at 2009-03-30 06:58:04