!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!! !!!!! !!!!! VERIFICATION CHECK: vc-memory-leak !!!!! !!!!! !!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Description: Check that the model has no memory leaks. This is tested using the Valgrind memory debugging tool (http://valgrind.org) by performing a series of energy and force calculations on a randomly distorted face-centered cubic (FCC) cube base structure for both non-periodic and periodic boundary conditions. Separate configurations are tested for each species supported by the model, as well as one containing a random distribution of all species. Configurations used for testing are provided as auxiliary files. Author: Ellad Tadmor ----------------------------------------------------------------------------------------------------- Results for KIM Model : EAM_IMD_BrommerGaehler_2006A_AlNiCo__MO_122703700223_003 Supported species : Al Co Ni random seed = 13 lattice constant (orig) = 3.000 perturbation amplitude = 0.300 number unit cells per side = 2 ----------------------------------------------------------------------------------------------------- MONOATOMIC STRUCTURE (pbc=False)-- Species = Al (Configuration in file "config-F-Al.xyz") ----------------------------------------------------------------------------------------------------- Energy = 168.921893475 Forces: 1 -5.36295512e+00 -1.36009151e+01 -1.43623663e+01 2 -1.10146525e+01 1.36724489e+01 -8.86121461e+00 3 2.84479447e+00 -1.78008452e+01 -9.03758874e+00 4 -9.63517845e+00 8.66882658e+00 7.59632337e+00 5 9.09660211e+00 -2.17363036e+01 -3.74739804e+00 6 8.87490935e+00 2.88852733e+00 -9.94412569e+00 7 1.13532533e+01 -4.27335573e+01 -3.97308013e+01 8 -2.80940892e+01 -2.77460310e+01 -1.18399245e+01 9 -1.11567317e+01 -2.18607845e+01 -3.17988900e+01 10 -4.20065388e+00 2.65872161e+01 -3.08071233e+01 11 -3.09337758e+00 -2.13103699e+01 1.96493768e+00 12 -2.03224676e+01 2.84890492e+01 1.49926823e+01 13 -6.80931499e+00 -1.38349317e+01 -5.56155415e+01 14 1.05134910e+01 1.03075884e+01 -5.05931552e+00 15 6.24815884e+01 1.70517009e+01 6.48593639e+00 16 1.71228544e+01 4.17627422e+01 2.03455156e+01 17 -1.65244568e+01 -7.89547024e+00 -7.73827298e+00 18 -1.06820635e+01 9.26682644e+00 1.29798219e+01 19 9.60248193e+00 -1.29704171e+01 1.09481596e+01 20 -8.21242888e+00 1.06537067e+01 9.83302339e+00 21 -1.56888967e+01 -1.81435282e+01 1.43872478e+01 22 3.05457107e+01 2.71947338e+01 3.19092359e+01 23 6.52253676e+00 -2.71039555e+00 9.64067382e+00 24 2.21153899e+00 5.08559568e-01 8.73468349e+00 25 -2.15632779e+01 -4.96640509e+00 1.80120866e+01 26 -1.26548734e+01 2.86818045e+01 -1.29710607e+01 27 1.11478687e+01 -4.45754885e+01 1.56148376e+01 28 -3.64649492e+01 3.02124423e+01 5.15971053e+00 29 -9.79682683e+00 -8.14365373e+00 1.32102951e+01 30 1.09368574e+01 1.55728426e+01 -4.93850142e+00 31 2.42009124e+01 -1.40759586e+01 2.07323668e+01 32 1.38217942e+01 2.25860400e+01 2.39045868e+01 MONOATOMIC STRUCTURE (pbc=True)-- Species = Al (Configuration in file "config-T-Al.xyz") ----------------------------------------------------------------------------------------------------- Energy = 232.512276156 Forces: 1 2.07724144e+01 -1.42947332e+01 4.66993782e+00 2 -3.18171207e+01 6.37184679e+00 3.28044173e+01 3 2.11464833e+00 2.27557381e+00 -2.70478216e+00 4 2.01356162e+01 9.31304777e+00 -1.77362044e+00 5 1.18898842e+01 -7.89697390e+00 5.07821623e+00 6 -2.38957159e+01 2.87354566e+01 8.64587134e+00 7 -4.93065820e+00 -3.24074643e+01 -3.12726876e+01 8 -2.46094543e+01 -2.37629284e+01 -8.03132068e+00 9 -1.97908080e+01 -3.30284415e+01 1.21225663e+01 10 -8.80125211e+00 1.12778852e+01 -1.03449448e+01 11 -3.02477639e+00 -1.58473252e+01 1.96729150e+00 12 8.29829935e+00 8.58615797e+00 2.86427599e+01 13 -4.26294480e+00 -1.34854586e+01 -3.46484214e+01 14 -2.23505806e+01 4.17436547e+00 -1.43327244e+01 15 3.95036947e+01 1.67869344e+01 5.01506157e+00 16 1.32961261e+01 2.47952711e+01 1.55812757e+01 17 1.62003199e+01 -1.61596915e+01 -7.53508176e+00 18 -9.40138972e+00 7.85760680e+00 8.63858221e+00 19 6.41210463e+00 5.42712203e+00 6.04630797e+00 20 1.95366918e+01 3.01269687e+01 -9.74732074e+00 21 -1.28431670e+01 -4.35639547e+00 1.09208934e+01 22 -2.09032041e+00 3.78467944e+01 3.21872546e+01 23 -2.16092708e+01 -2.73962569e+01 -1.13110616e+01 24 2.78606021e+01 1.28640246e+01 -3.45642932e+01 25 -7.17204376e+00 -7.59578432e+00 1.32631860e+01 26 -6.72595140e+00 6.04520049e+00 -1.34627511e+01 27 2.55302655e+01 -3.77391001e+01 -1.64729128e+01 28 -3.18727866e+01 2.74785183e+01 -1.18184059e+01 29 -6.89832062e+00 -7.58713805e+00 1.02833697e+01 30 9.68361986e-01 2.48671419e+00 -2.68985028e+00 31 1.47014305e+01 -1.26280427e+01 1.11175217e+01 32 1.48761016e+01 1.17362454e+01 3.72566577e+00 MONOATOMIC STRUCTURE (pbc=False)-- Species = Co (Configuration in file "config-F-Co.xyz") ----------------------------------------------------------------------------------------------------- Energy = -31.2424762489 Forces: 1 -5.32475120e+00 -7.33714459e+00 -6.56522971e+00 2 -1.09467059e+00 -4.91222420e+00 -1.95117426e+01 3 4.88354376e+00 -1.71842239e+01 -5.77572351e+00 4 -1.54939749e+01 9.19221506e+00 -3.12501772e+00 5 -1.46583190e+00 -7.05142560e+00 -7.97966185e+00 6 8.91436002e+00 -5.26240901e+00 -8.80598351e+00 7 8.98726008e+00 -3.23468333e+00 -2.93334873e+00 8 1.35007742e+01 -1.02172469e+01 6.75435525e+00 9 -7.35496533e+00 5.94825312e+00 -5.93369573e+00 10 -4.49775766e+00 3.57696390e+00 -5.26094322e+00 11 -2.24770072e+01 8.70804251e+00 6.60028696e+00 12 -4.54473189e+00 4.14456321e+00 -3.42878178e+00 13 -1.97053646e-01 2.97342765e+00 -2.25017941e+01 14 5.89384224e+00 6.85884335e+00 -6.47802859e+00 15 1.52685772e+01 3.81694892e+00 9.78217469e+00 16 2.63661799e+00 1.28353667e+01 -7.99055130e+00 17 -1.49365396e+01 -1.82843606e+01 6.63402809e+00 18 1.09810164e+01 1.35563438e+01 -8.46442983e+00 19 4.94079929e+00 -1.70542470e+01 1.62436946e+01 20 -1.51264261e+01 5.16774703e+00 9.84386428e+00 21 -3.88210732e+00 -8.42071742e+00 5.42172587e+00 22 9.95459646e+00 4.21783176e+00 -5.69498693e+00 23 7.08434379e+00 -1.12996751e+01 6.65357156e+00 24 -6.17959835e+00 6.17053667e+00 8.51888182e+00 25 -6.62532956e+00 -4.26067342e+00 -7.27525426e+00 26 -5.88947565e+00 6.76730080e+00 1.05973490e+01 27 7.64233693e+00 -2.36790153e+00 7.70407657e+00 28 -4.75841341e+00 1.02138648e+01 6.51923920e+00 29 7.39765151e+00 4.97517443e+00 1.71145415e+01 30 9.07842023e+00 4.46791628e+00 4.93633305e+00 31 6.90834161e+00 -1.69278506e+00 1.54771840e+00 32 -4.22384742e+00 4.98837768e+00 2.85333256e+00 MONOATOMIC STRUCTURE (pbc=True)-- Species = Co (Configuration in file "config-T-Co.xyz") ----------------------------------------------------------------------------------------------------- Energy = -190.263813739 Forces: 1 -6.95600841e+00 -1.20307498e+01 1.46427581e+01 2 7.31742417e-01 -4.08905442e+00 -1.23207011e+01 3 1.99596169e+00 1.97016899e-01 -1.34967388e+01 4 -2.78740952e+00 1.42368745e+01 1.01399238e-01 5 -1.30009224e+01 -3.97167642e+00 1.19923323e+01 6 2.46074636e-01 -1.01820611e+01 7.02267432e+00 7 1.34368315e+00 2.54416078e+00 -1.25018967e+01 8 1.21686928e+01 -8.64249062e+00 8.69158569e+00 9 1.04906611e+01 9.85868088e+00 3.32199521e+00 10 -5.90328009e-01 7.74229653e+00 1.12633585e+01 11 -2.19409322e+01 7.45121565e+00 7.90984144e+00 12 3.78726272e-01 -1.60694780e+00 -6.48429426e+00 13 -3.32485270e+00 4.91739905e+00 -1.32274207e+01 14 2.01656728e+01 1.94616041e+00 2.72652773e+01 15 5.75258910e+00 5.35624128e+00 1.72997509e+01 16 3.48822584e+00 5.54263340e-01 -1.28753339e+01 17 -1.08406025e+01 -1.48803234e+01 7.96255569e+00 18 1.19314868e+01 1.58002156e+01 -1.14130467e+01 19 1.42709983e+01 -1.55794739e+01 5.21489861e+00 20 2.89668672e+00 1.51022813e+01 -1.28449576e+00 21 -6.93138742e+00 1.60498558e+01 1.13856632e+01 22 -1.82040626e+00 8.62636778e+00 -1.41662557e+01 23 8.21083306e+00 -1.70896497e+01 -7.71395485e+00 24 -1.68877142e+01 1.29711859e+01 -1.12650994e+01 25 1.35193943e+00 -6.23473393e+00 -1.60746051e+01 26 -1.09827287e+01 -1.26680422e+01 1.91394989e+01 27 1.11221848e+01 -9.91270619e+00 -6.67243059e+00 28 -4.86212537e+00 1.60245370e+01 -8.67922141e-01 29 5.54312429e+00 4.42775799e+00 1.58547182e+01 30 1.43982535e+01 -1.71816878e+01 1.14378422e+01 31 -6.47308865e+00 -8.12729805e+00 -1.14316460e+01 32 -1.90890304e+01 -1.60961524e+00 -2.87103082e+01 MONOATOMIC STRUCTURE (pbc=False)-- Species = Ni (Configuration in file "config-F-Ni.xyz") ----------------------------------------------------------------------------------------------------- Energy = 35.8334949514 Forces: 1 -2.98100643e+00 -3.97979271e-01 -3.50300208e+00 2 -2.02543474e+01 -1.21003279e+00 -1.75745782e+01 3 3.12222819e+00 -1.24923747e+01 -1.36270658e+00 4 -8.87051845e+00 -1.62135398e+01 -4.90912532e+00 5 1.15474192e+01 -1.42402593e+01 -8.07569970e+00 6 3.97236118e-01 -9.56330929e-01 -4.16164478e-01 7 5.73416300e+00 -2.28064881e-01 -4.59485844e+00 8 1.66231497e+01 -1.77746876e+01 1.73434732e+01 9 -5.50164216e+00 6.91141650e+00 -1.02535344e+01 10 -1.90060068e+00 6.14003513e+00 -4.50210131e+00 11 -1.45745734e+01 1.20181393e+01 3.59162255e+00 12 -1.05808299e+00 8.63198350e-01 -1.10355083e+00 13 1.47218829e+01 1.47720455e+01 -2.68242499e+01 14 2.81594995e+00 9.73755153e-01 -4.32777487e+00 15 1.90779965e+01 -9.99797776e+00 -1.05625337e+01 16 -7.66671017e+00 1.55861700e+01 -4.63297021e+00 17 -2.03981662e+01 -1.58104828e+01 3.72403795e+00 18 1.47709030e+01 6.52214221e+00 -5.27274641e+00 19 2.40842427e+00 -4.86559145e+00 3.52631158e+00 20 -1.01369048e+01 4.98313218e+00 1.45684730e+01 21 -3.53679223e+00 -4.29654064e+00 3.66458084e+00 22 3.18996709e+00 -2.60644422e+00 1.82797645e+00 23 1.57198806e+00 3.52930225e-01 4.39246297e-01 24 4.63385579e+00 -4.38127643e+00 5.38574489e+00 25 -7.01530335e+00 9.66833230e+00 1.15991669e+01 26 -1.50910484e+01 1.70637120e+01 -1.39635594e+01 27 -7.45058475e+00 -1.05604319e+01 1.97044793e+01 28 -2.44501651e+00 1.85279184e+00 1.59322006e+00 29 2.73228198e+00 -3.62226602e+00 8.87903372e+00 30 1.38351699e+01 1.86181448e+01 -5.79261964e+00 31 4.47360612e+00 -1.21085026e+01 1.70280117e+01 32 7.22507620e+00 1.54368376e+01 1.47963969e+01 MONOATOMIC STRUCTURE (pbc=True)-- Species = Ni (Configuration in file "config-T-Ni.xyz") ----------------------------------------------------------------------------------------------------- Energy = 169.379123376 Forces: 1 2.55738267e+00 1.58295178e+01 -3.69385982e+00 2 -1.61380524e+01 1.88659935e+00 -4.66804383e+00 3 1.84682938e+01 8.91583442e+00 9.60077432e+00 4 5.25763708e+00 -1.72940423e+01 3.88752827e+00 5 6.73352781e+00 -8.06101031e+00 -1.92066439e+00 6 -1.44445012e+01 -1.01443065e+01 -6.51072332e+00 7 3.33813541e+00 2.03717338e+01 -1.64609489e+00 8 1.46661481e+01 -1.58337710e+01 2.20715895e+01 9 6.58394860e+00 1.23481485e+01 -7.95602350e+00 10 9.41899111e+00 -3.07563639e+00 -1.88824661e+00 11 -1.20743254e+01 6.18736792e+00 9.20701047e+00 12 4.35803884e+00 -2.18103625e+01 1.39087736e+01 13 1.38037285e+01 1.61218173e+01 -1.54204817e+01 14 -1.33373421e+01 -1.18558676e+01 -1.45358538e+01 15 7.69480130e+00 -1.04638992e+01 -6.59999095e+00 16 -2.17036669e+01 -3.07973298e+00 -4.12778420e+00 17 -1.25814555e+01 -1.08407393e+01 2.33646368e+00 18 1.39334175e+01 1.04124027e+01 -1.12104200e+01 19 -2.21326896e-01 6.15110807e+00 3.39513996e+00 20 -6.51406076e+00 1.43439766e+01 3.57395262e+00 21 -1.26286456e+01 1.29123404e+01 1.98322421e+00 22 -5.38766670e+00 5.38277668e+00 -1.56712926e+00 23 -6.46530011e+00 -2.43312571e+00 -1.82302319e+00 24 5.86856751e+00 -3.67824075e+00 -3.74134331e+00 25 2.81324576e+00 9.39151978e+00 9.70913597e+00 26 -9.34161395e+00 6.02255159e+00 -1.98798625e+01 27 -5.75274724e+00 -1.45770903e+01 9.14681354e+00 28 2.13702010e+00 -4.55494207e-01 -6.83290126e+00 29 1.33763461e+00 -3.77958121e+00 7.32184880e+00 30 9.47730513e+00 8.61153378e+00 -7.09727450e+00 31 -5.16688207e+00 -1.54097062e+01 1.18934112e+01 32 1.33097630e+01 -2.09662221e+00 1.30840550e+01 MIXED STRUCTURE (pbc=False)-- Species = Al Co Ni (Configuration in file "config-F-AlCoNi.xyz") ----------------------------------------------------------------------------------------------------- Energy = -41.8139110149 Forces: 1 -1.07435724e+01 -3.57887156e+00 -6.61547806e+00 2 -8.30679247e+00 8.69367632e+00 -1.68479809e+01 3 1.76184123e+00 -7.80705359e+00 1.02119507e+01 4 -1.04821102e+00 3.95351134e+00 -7.52618210e+00 5 2.79365830e+00 -8.50647528e+00 -8.01063587e+00 6 -7.77704948e-01 -2.82745803e+00 -3.62943722e+00 7 2.91438599e+00 1.58561660e-01 2.55376648e+00 8 2.12982156e+01 -8.22361794e-01 4.93427270e+00 9 -5.90699860e+00 -9.43838180e+00 -3.57119685e+00 10 1.24783888e+01 5.85489985e+00 -2.64559916e+00 11 -8.03628776e+00 9.56075474e+00 -9.19913061e+00 12 -6.06250459e+00 2.80927994e+00 7.06667576e+00 13 4.47693096e+00 4.84862787e+00 -3.96807605e+00 14 -2.07412066e+00 -1.58950529e+00 1.18505730e+00 15 2.55456459e+00 4.16232127e+00 -3.58039681e+00 16 -6.55523718e+00 3.47668021e+00 -1.07517287e+01 17 -3.86871263e+00 -7.30922128e+00 4.85592803e+00 18 -1.37923663e+01 -2.41865278e+00 1.47178831e+01 19 -6.94231790e+00 -2.94602900e+00 1.01720512e+01 20 6.20035946e-01 3.52440222e-01 6.72081049e-01 21 5.19280645e+00 -5.55054749e+00 -8.81617456e+00 22 4.18919218e+00 -1.16453211e+01 -2.55171486e+00 23 8.78255184e+00 -8.07795613e+00 -2.19279093e+00 24 -4.72617178e+00 9.57463240e+00 4.55442499e+00 25 -6.02329031e+00 -8.86884762e+00 -4.99740550e+00 26 5.56876230e+00 5.65087358e+00 -4.39342246e+00 27 -7.75671102e+00 -3.33070073e+00 8.49023054e+00 28 -4.43573960e+00 6.60194318e+00 1.00589740e+01 29 6.59993003e+00 1.97585985e+00 -1.58166300e+00 30 1.04456677e+01 5.87176590e+00 6.80281141e+00 31 4.25377828e+00 4.57828371e+00 1.11660558e+01 32 3.12602887e+00 6.59327145e+00 3.43685059e+00 MIXED STRUCTURE (pbc=True)-- Species = Al Co Ni (Configuration in file "config-T-AlCoNi.xyz") ----------------------------------------------------------------------------------------------------- Energy = -153.610368946 Forces: 1 -1.33626101e+01 6.04946958e+00 -6.85704176e+00 2 -1.17470055e+01 1.32898387e+01 -6.11266674e+00 3 6.16102156e+00 -1.49646033e+00 1.04601478e+01 4 -2.19759033e-01 4.78989655e+00 -3.93189590e+00 5 3.95692543e+00 -7.93924111e+00 1.00076882e+01 6 -3.39026715e+00 -3.18913514e+00 1.03178217e+00 7 -3.89398556e+00 1.12848022e+01 -2.33639783e+00 8 1.99998058e+01 -2.37554830e+00 3.40892079e+00 9 3.22620905e+00 -1.26796952e+01 -3.33142367e+00 10 1.29792740e+01 -1.15330248e+01 -6.55813892e-01 11 -7.96997150e+00 1.31991743e+01 -5.21400937e+00 12 1.56233629e+00 -6.78431183e+00 8.34265539e+00 13 7.53344001e+00 6.26713543e+00 2.16331519e+00 14 -8.97942012e+00 1.29604860e+00 -7.08070477e-01 15 -4.54100691e+00 3.04919630e+00 -5.18903045e+00 16 -1.04218738e+01 -5.44832961e+00 -1.46641247e+01 17 5.10004042e+00 -1.04479559e+01 4.76259978e+00 18 -1.27139026e+01 -2.48559974e+00 1.43745433e+01 19 -1.02240050e+01 -2.08904038e+00 -6.30305216e+00 20 1.32413984e+01 -4.64872178e+00 1.86377109e+00 21 3.20045514e+00 8.55922203e+00 -2.88821049e+00 22 -1.17679573e+01 -1.16718785e+01 -5.51161548e+00 23 1.07988199e+01 -2.90931832e+00 -9.07395021e+00 24 -3.07807809e+00 1.35341380e-01 -3.56294155e+00 25 1.48145835e+01 -2.58958885e+00 -7.74840379e+00 26 4.78068060e+00 1.52250218e+00 -3.40520523e+00 27 -1.26682030e+01 -2.54510313e+00 5.39334325e-01 28 -1.10219611e+00 1.07394004e+01 6.56877654e+00 29 4.28562932e+00 2.89904534e+00 -6.74590348e+00 30 9.79082954e+00 1.24941749e+00 1.26311226e+01 31 -7.56615612e+00 9.20478652e+00 1.58503666e+01 32 2.21494906e+00 -2.70232408e+00 2.23473339e+00 ================================================================================ VALGRIND OUTPUT ================================================================================ ==11650== Memcheck, a memory error detector ==11650== Copyright (C) 2002-2017, and GNU GPL'd, by Julian Seward et al. ==11650== Using Valgrind-3.13.0 and LibVEX; rerun with -h for copyright info ==11650== Command: python runner2.py EAM_IMD_BrommerGaehler_2006A_AlNiCo__MO_122703700223_003 ==11650== ==11650== Syscall param sched_getaffinity(mask) points to unaddressable byte(s) ==11650== at 0x4F3FF2F: sched_getaffinity@@GLIBC_2.3.4 (sched_getaffinity.c:36) ==11650== by 0x705438B: get_num_procs (in /usr/local/lib/python2.7/dist-packages/numpy/.libs/libopenblasp-r0-8dca6697.3.0.dev.so) ==11650== by 0x705447C: blas_get_cpu_number (in /usr/local/lib/python2.7/dist-packages/numpy/.libs/libopenblasp-r0-8dca6697.3.0.dev.so) ==11650== by 0x6E2C077: gotoblas_init (in /usr/local/lib/python2.7/dist-packages/numpy/.libs/libopenblasp-r0-8dca6697.3.0.dev.so) ==11650== by 0x4010732: call_init (dl-init.c:72) ==11650== by 0x4010732: _dl_init (dl-init.c:119) ==11650== by 0x40151FE: dl_open_worker (dl-open.c:522) ==11650== by 0x4FA32DE: _dl_catch_exception (dl-error-skeleton.c:196) ==11650== by 0x40147C9: _dl_open (dl-open.c:605) ==11650== by 0x544CF95: dlopen_doit (dlopen.c:66) ==11650== by 0x4FA32DE: _dl_catch_exception (dl-error-skeleton.c:196) ==11650== by 0x4FA336E: _dl_catch_error (dl-error-skeleton.c:215) ==11650== by 0x544D734: _dlerror_run (dlerror.c:162) ==11650== Address 0x0 is not stack'd, malloc'd or (recently) free'd ==11650== ==11650== ==11650== HEAP SUMMARY: ==11650== in use at exit: 17,754,683 bytes in 4,341 blocks ==11650== total heap usage: 242,804 allocs, 238,463 frees, 96,973,957 bytes allocated ==11650== ==11650== LEAK SUMMARY: ==11650== definitely lost: 0 bytes in 0 blocks ==11650== indirectly lost: 0 bytes in 0 blocks ==11650== possibly lost: 182,735 bytes in 112 blocks ==11650== still reachable: 17,571,948 bytes in 4,229 blocks ==11650== suppressed: 0 bytes in 0 blocks ==11650== Rerun with --leak-check=full to see details of leaked memory ==11650== ==11650== For counts of detected and suppressed errors, rerun with: -v ==11650== ERROR SUMMARY: 1 errors from 1 contexts (suppressed: 2547 from 172) ================================================================================ To pass this verification check the number of bytes that are "definitely lost" or "indirectly lost" must be zero. NOTE that Valgrind will typically report non-zero "possibly lost" bytes due to Python's internal memory allocation and garbage collection that it does not monitor. Full Valgrind output written to auxiliary file "valgrind.out" Grade: P Comment: No memory leak detected.