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 in four parts:
  1. 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 provide some useful information on the computer.
  2. 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 !
  3. 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 1200 seconds. 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 1230 seconds which will send a SIGXPU to the solver. The last limit is on the virtual memory used by the process (900Mb).
    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.
  4. 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.

General information on the benchmark

Namesubmitted/aloul/FPGA_SAT05/normalized-fpga10_9_sat_pb.cnf.cr.opb
MD5SUMa3e65ef4bc3d480c50e2ac64ae7f7509
Bench Categoryno optimization function (SAT)
Has Objective FunctionNO
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 0
Optimality of the best value was proved NO
Number of terms in the objective function 0
Biggest coefficient in the objective function 0
Number of bits for the biggest coefficient in the objective function 0
Sum of the numbers in the objective function 0
Number of bits of the sum of numbers in the objective function 0
Biggest number in a constraint 1
Number of bits of the biggest number in a constraint 1
Biggest sum of numbers in a constraint 11
Number of bits of the biggest sum of numbers4
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.027994
Number of variables135
Total number of constraints118
Number of constraints which are clauses99
Number of constraints which are cardinality constraints (but not clauses)19
Number of constraints which are nor clauses,nor cardinality constraints0
Minimum length of a constraint5
Maximum length of a constraint10

Trace number 65

Launcher Data

LAUNCH ON wulflinc30 THE 2005-09-18 07:59:52 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=22 boxname=wulflinc30 idbench=22 idsolver=1 numberseed=0
MD5SUM SOLVER: 38f99674050b34630888bf623b924b59  /oldhome/oroussel/solvers/bsolo
MD5SUM BENCH:  a3e65ef4bc3d480c50e2ac64ae7f7509  /oldhome/oroussel/tmp/wulflinc30/normalized-fpga10_9_sat_pb.cnf.cr.opb
REAL COMMAND:  bsolo /oldhome/oroussel/tmp/wulflinc30/normalized-fpga10_9_sat_pb.cnf.cr.opb
IDLAUNCH: 22
/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 3
cpu MHz		: 451.072
cache size	: 512 KB
fdiv_bug	: no
hlt_bug		: no
f00f_bug	: no
coma_bug	: no
fpu		: yes
fpu_exception	: yes
cpuid level	: 2
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 mmx fxsr sse
bogomips	: 888.83

processor	: 1
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 3
cpu MHz		: 451.072
cache size	: 512 KB
fdiv_bug	: no
hlt_bug		: no
f00f_bug	: no
coma_bug	: no
fpu		: yes
fpu_exception	: yes
cpuid level	: 2
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 mmx fxsr sse
bogomips	: 901.12

/proc/meminfo:
MemTotal:      1034660 kB
MemFree:        945572 kB
Buffers:         36304 kB
Cached:          22884 kB
SwapCached:        788 kB
Active:          51748 kB
Inactive:        10092 kB
HighTotal:      131008 kB
HighFree:       107352 kB
LowTotal:       903652 kB
LowFree:        838220 kB
SwapTotal:     2097892 kB
SwapFree:      2096636 kB
Dirty:              28 kB
Writeback:           0 kB
Mapped:           5732 kB
Slab:            21656 kB
Committed_AS:    64172 kB
PageTables:        328 kB
VmallocTotal:   114680 kB
VmallocUsed:      1368 kB
VmallocChunk:   113252 kB
JOB ENDED THE 2005-09-18 08:00:09 (client local time) WITH STATUS 10 IN 15.9856 SECONDS
stats: 22 0 15.9856 10

Solver Data

c INFO: OSL Context initialized.
c INFO: No cost function. Find solution and finish.
c Initial problem consists of 135 variables and 118 constraints.
c Using non-optimization problem switches.
c No problem reductions applied in OPT. instance.
c	preprocess terminated. Elapsed time: 0.054
c After prepocess the problem consists of 135 variables and 118 constraints.
c Restart #1 #Var: 135 #Dec: 252 LB: 0 @ 0.156
c Restart #2 #Var: 135 #Dec: 720 LB: 0 @ 0.393
c Restart #3 #Var: 135 #Dec: 1342 LB: 0 @ 0.912
c Restart #4 #Var: 135 #Dec: 2154 LB: 0 @ 1.81
c Restart #5 #Var: 135 #Dec: 3355 LB: 0 @ 3.139
c Restart #6 #Var: 135 #Dec: 4716 LB: 0 @ 5.916
c Restart #7 #Var: 135 #Dec: 6691 LB: 0 @ 8.823
c Restart #8 #Var: 135 #Dec: 8585 LB: 0 @ 12.241
c NEW SOLUTION FOUND: 0 @ 15.964 @ #Dec. 10101
s SATISFIABLE
v -v73 -v99 v100 -v101 -v102 -v86 -v111 -v112 -v113 -v114 v115 -v71 v91 -v92 -v93 -v94 -v28 -v121 -v122 v123 -v124 -v125 v58 -v81 -v8 -v87 -v116 -v117 -v118 v119 -v120 -v2 -v95 -v96 -v97 -v98 -v15 -v107 -v108 v109 -v110 -v29 -v126 v127 -v128 -v129 -v130 -v16 -v57 -v88 v14 -v103 -v104 -v105 v106 -v35 -v32 -v1 -v78 -v56 -v11 -v12 -v13 -v17 -v18 -v19 -v20 -v53 -v75 -v34 -v48 -v37 -v83 -v61 -v74 -v64 -v70 v131 -v132 -v133 -v134 -v135 -v60 -v44 -v24 -v27 -v6 -v59 -v46 -v7 -v69 v30 -v36 -v26 -v62 -v63 -v65 v66 -v67 -v68 -v90 -v25 -v40 -v42 -v84 -v79 -v39 -v43 v41 -v55 -v49 -v72 -v76 v77 -v80 -v21 -v22 -v23 -v5 -v31 v33 -v38 -v52 -v51 -v54 -v89 -v45 -v47 -v50 -v3 -v82 -v4 v9 -v10 v85 
c Cost: 0
c Exit Code: 10
c Total time: 15.967 s

Watcher Data

Enforcing CPU limit (will send SIGTERM then SIGKILL): 1200 seconds
Enforcing CPUTime (will send SIGXCPU) limit: 1230 seconds
Enforcing Stack size limit: 67108864 bytes
Enforcing memory limit (will send SIGTERM then SIGKILL): 921600 Kb
Enforcing VSIZE limit: 994918400 bytes
Current StackSize limit: 67108864 bytes
Raw data (/proc/5487/stat): 5487 (bsolo) R 5486 5487 5245 0 -1 0 19 0 0 0 0 0 0 0 22 0 1 0 1839632034 438272 3 4294967295 134512640 134736556 3221224560 3221224560 1073744960 0 0 5 0 0 0 0 17 0 0 0
Raw data (/proc/5487/statm): 107 3 90 68 0 39 0
[pid=5487] vsize: 428
open syscall for file /etc/ld.so.preload
open syscall for file tls/i686/mmx/libosl.so
open syscall for file tls/i686/libosl.so
open syscall for file tls/mmx/libosl.so
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open syscall for file i686/mmx/libosl.so
open syscall for file i686/libosl.so
open syscall for file mmx/libosl.so
open syscall for file libosl.so
open syscall for file /oldhome/oroussel/lib/tls/i686/mmx/libosl.so
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open syscall for file /oldhome/oroussel/lib/tls/libosl.so
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open syscall for file /oldhome/oroussel/lib/mmx/libosl.so
open syscall for file /oldhome/oroussel/lib/libosl.so
open syscall for file tls/i686/mmx/libstdc++-libc6.2-2.so.3
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open syscall for file mmx/libstdc++-libc6.2-2.so.3
open syscall for file libstdc++-libc6.2-2.so.3
open syscall for file /oldhome/oroussel/lib/libstdc++-libc6.2-2.so.3
open syscall for file /etc/ld.so.cache
open syscall for file /usr/lib/libstdc++-libc6.2-2.so.3
open syscall for file tls/i686/mmx/libm.so.6
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open syscall for file libm.so.6
open syscall for file /oldhome/oroussel/lib/libm.so.6
open syscall for file /lib/tls/libm.so.6
open syscall for file tls/i686/mmx/libpthread.so.0
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open syscall for file libpthread.so.0
open syscall for file /oldhome/oroussel/lib/libpthread.so.0
open syscall for file /lib/tls/libpthread.so.0
open syscall for file tls/i686/mmx/libc.so.6
open syscall for file tls/i686/libc.so.6
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open syscall for file i686/mmx/libc.so.6
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open syscall for file mmx/libc.so.6
open syscall for file libc.so.6
open syscall for file /oldhome/oroussel/lib/libc.so.6
open syscall for file /lib/tls/libc.so.6
open syscall for file tls/i686/mmx/libgcc_s.so.1
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open syscall for file i686/libgcc_s.so.1
open syscall for file mmx/libgcc_s.so.1
open syscall for file libgcc_s.so.1
open syscall for file /oldhome/oroussel/lib/libgcc_s.so.1
open syscall for file /lib/libgcc_s.so.1
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open syscall for file /oldhome/oroussel/.OptimizationSolutions/nodelock
open syscall for file /oldhome/oroussel/tmp/wulflinc30/normalized-fpga10_9_sat_pb.cnf.cr.opb

[startup+10.0038 s]
Raw data (loadavg): 0.93 0.95 0.73 2/56 5487
Raw data (/proc/5487/stat): 5487 (bsolo) R 5486 5487 5245 0 -1 0 2234 0 0 0 945 21 0 0 25 0 1 0 1839632034 12263424 2145 4294967295 134512640 134736556 3221224560 3221223220 134536518 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/5487/statm): 2994 2145 1116 68 0 2926 0
[pid=5487] vsize: 11976
Current children cumulated CPU time (s) 9.66
Current children cumulated vsize (Kb) 11976
One traced child (pid=5487) exited with status: 10
All traced children have exited ! Game is over.

Child status: 10
Real time (s): 16.4363
CPU time (s): 15.9856
CPU user time (s): 15.6826
CPU system time (s): 0.302953
CPU usage (%): 97.2577
Max. virtual memory (cumulated for all children) (Kb): 11976

Verifier Data

Verifier:	OK	0