!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!! !!!!! !!!!! 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_SchopfBrommerFrigan_2012_AlMnPd__MO_878712978062_003 Supported species : Al Mn Pd 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 = 156.033351945 Forces: 1 -1.40287006e+01 -1.50856688e+01 -2.27725955e+01 2 -1.56329193e+01 2.08503101e+01 -1.65468075e+01 3 8.07884455e+00 -1.44462837e+01 1.04107102e+01 4 -1.09864876e+01 1.49148207e+01 7.89008996e+00 5 9.32725889e-02 -4.14748829e+01 -3.06209437e+00 6 2.86166502e+01 1.65505322e+01 -2.18346025e+01 7 1.78431725e+00 -9.82002786e+01 -9.28126158e+01 8 -1.50977119e+01 -2.96624144e+01 8.79788827e+00 9 -1.39656484e+01 -2.13886971e+01 -3.51239593e+01 10 -1.07857185e+01 3.15004180e+01 -3.92173833e+01 11 -1.31665339e+01 -2.36442560e+01 1.31567554e+01 12 -1.96779344e+01 2.67196864e+01 1.88617985e+01 13 -2.95221721e+01 -2.27646292e+01 -1.01596814e+02 14 1.40524340e+01 1.90963268e+01 -1.32625547e+01 15 8.44560038e+01 -1.22013244e+01 3.89373860e+01 16 1.01187020e+01 5.99845413e+01 3.46343534e+01 17 -1.68805910e+01 -1.15797576e+01 1.50453221e+00 18 6.61489457e+00 1.04397480e+01 -1.95712666e+00 19 6.99262625e+00 -1.60480418e+01 1.16702626e+01 20 -1.02443387e+01 7.73492608e+00 8.28269887e+00 21 -2.32775568e+01 -1.45816858e+01 -7.94528443e+00 22 3.05425528e+01 9.40492678e+01 9.54917676e+01 23 1.47174874e+01 -2.99471557e+00 2.20799512e+01 24 -1.84887462e+00 -6.28958482e+00 8.97954527e+00 25 -2.15087030e+01 -9.61888461e+00 -1.83633070e+00 26 -1.21484827e+01 3.48420578e+01 -1.76410122e+01 27 4.89207923e+01 -8.34783120e+01 2.26125503e+01 28 -7.76457784e+01 6.97411522e+01 1.04858901e+01 29 -1.31188846e+01 -2.17190419e+01 7.32490827e+00 30 1.49069350e+01 2.51485044e+01 3.59905396e+00 31 3.21037728e+01 -1.38247190e+01 2.29711286e+01 32 1.75377512e+01 2.74308862e+01 2.79179097e+01 MONOATOMIC STRUCTURE (pbc=True)-- Species = Al (Configuration in file "config-T-Al.xyz") ----------------------------------------------------------------------------------------------------- Energy = 343.109644562 Forces: 1 2.42114441e+01 -1.98303044e+01 -9.79002353e+00 2 -5.78803126e+01 5.24985247e+00 4.06465055e+01 3 6.71461249e+00 1.54276825e+01 2.29871224e+01 4 2.99092723e+01 3.78382327e+01 -1.52591551e+01 5 8.47843749e+00 -1.90681071e+01 2.46441215e+00 6 -7.56822204e+00 9.02060401e+01 8.11449501e+01 7 -5.46195156e+01 -1.02317868e+02 -1.08540094e+02 8 -1.61574993e+01 -2.95070379e+01 9.55383398e+00 9 -4.15056698e+01 -5.21541513e+01 4.07002971e+01 10 -2.07588931e+01 3.69808875e+00 -2.96099012e+01 11 -1.29448298e+01 -2.41977497e+01 1.38617076e+01 12 2.48437475e+01 5.43900548e+00 4.69415840e+01 13 -2.79429436e+01 -2.46204254e+01 -8.73563847e+01 14 -3.55856586e+01 1.25416913e+01 -3.59798770e+01 15 7.37688425e+01 -1.35320005e+01 4.00006249e+01 16 1.30556307e+01 4.89624300e+01 3.70565205e+01 17 5.82921313e+01 -4.55696752e+01 2.81584907e+01 18 7.45337149e+00 1.09907468e+01 -2.20253222e+00 19 7.58274914e+00 9.36818208e+00 1.03948374e+01 20 8.49344314e+00 2.58837397e+01 -9.69886356e+00 21 -2.47226483e+01 -4.81978287e-01 -7.36072479e+00 22 -2.54874815e+01 1.30107826e+02 1.11754032e+02 23 4.63680142e+00 -6.98940989e+01 -8.68793042e+01 24 3.90741315e+01 1.46137596e+01 -5.09747409e+01 25 -9.00323147e+00 -1.49635838e+01 -1.84813269e+00 26 -1.03556137e+01 1.45157358e+01 -2.66813472e+01 27 8.27432096e+01 -8.43437687e+01 -3.30848429e+01 28 -8.17518116e+01 8.25815425e+01 -2.02148088e+01 29 -1.33625461e+01 -2.21781153e+01 7.15143321e+00 30 7.88887884e-03 1.07681240e+01 6.22438723e+00 31 2.66428191e+01 -1.63466980e+01 1.81324753e+01 32 2.37383444e+01 2.08128818e+01 8.30751788e+00 MONOATOMIC STRUCTURE (pbc=False)-- Species = Mn (Configuration in file "config-F-Mn.xyz") ----------------------------------------------------------------------------------------------------- Energy = -127.425886163 Forces: 1 1.67147902e+00 6.65281068e-01 2.02890472e+00 2 -1.52982039e+01 -1.31814803e+01 -2.75042765e+01 3 4.83933534e-01 -2.30502124e+01 -1.00437191e+01 4 -2.05106916e+01 -4.62777152e+00 -6.58667792e+00 5 4.38435950e+00 -7.32462800e+00 -5.96062284e+00 6 -7.60193082e-01 -1.28049660e+00 -7.99129939e-01 7 6.58074102e+00 -5.88266976e+00 -6.35772143e+00 8 3.13157673e+01 -2.55558599e+01 -6.53708219e+00 9 -8.13411122e+00 3.86368113e+00 -6.16834452e+00 10 -2.15957112e-01 4.81390884e+00 -6.55861508e-01 11 -1.52915602e+01 3.54733023e+01 -1.19748957e+01 12 -3.50318692e+00 5.82125648e+00 -2.28232318e+00 13 1.45262213e+01 1.23647148e+01 -2.18529312e+01 14 1.66990749e+00 1.12871837e+00 -3.79632035e+00 15 2.22642439e+01 -2.48408728e-01 -9.29501962e+00 16 5.11620756e+00 2.37824745e+01 -1.06866172e+01 17 -1.32426091e+01 -7.03583405e+00 6.16951414e+00 18 -1.07936830e+01 -1.57243290e+01 2.97662860e+01 19 -1.20365570e-01 -6.28823399e+00 5.99280498e+00 20 -5.83263199e+00 -2.12822210e+00 3.65168651e+00 21 3.84645483e+00 -1.55345857e+01 7.25585297e+00 22 1.09048322e+01 -1.58137265e+00 1.43025596e+00 23 3.92298863e-01 -4.08620304e-01 1.19616702e+00 24 3.63073652e+00 -2.19198061e+00 1.16574492e+01 25 -2.20761406e+01 1.27831146e+01 1.11605788e+01 26 -1.04021684e+01 1.84730658e+01 1.12119438e+01 27 -1.56868655e+00 9.39896317e+00 9.84924581e+00 28 2.74621303e+00 -3.15509994e+00 -2.57933415e+00 29 7.47459355e+00 9.30034951e-01 1.68690894e+01 30 3.69931342e+00 4.94703276e+00 1.81456464e+00 31 7.55776205e+00 6.10803987e-02 1.17606240e+01 32 -5.14875842e-01 6.93176396e-01 1.26590952e+00 MONOATOMIC STRUCTURE (pbc=True)-- Species = Mn (Configuration in file "config-T-Mn.xyz") ----------------------------------------------------------------------------------------------------- Energy = 2.60093851565 Forces: 1 1.37304428e+01 -1.51119228e+01 2.46836952e+01 2 -8.84564259e+00 -1.92032556e+01 -5.12884916e+00 3 8.79390129e+00 -1.79406538e+01 -1.15923771e+01 4 -1.10372739e+01 1.74703213e+00 -7.64159912e-01 5 3.12739611e+00 -1.44968202e+01 -9.36078570e-02 6 -1.53641891e+01 1.71807281e+01 8.26785362e+00 7 4.10119053e-01 -4.50910788e+00 -5.05602560e+00 8 3.20260232e+01 -2.61408274e+01 -8.02408438e-01 9 -1.79343436e+01 7.59247420e+00 -1.22759564e+00 10 7.66522500e+00 1.28557250e+01 3.30885542e+00 11 -1.43474356e+01 3.70860129e+01 -4.81743675e+00 12 -3.55028444e+00 2.36929545e+00 8.13656204e-01 13 2.69706368e+01 1.91192425e+01 -1.19358968e+01 14 2.49777551e-01 -5.02053490e+00 -3.20083455e+00 15 1.58149812e+01 1.93955588e+00 -4.76099783e+00 16 -5.82288304e-01 1.52456628e+01 -1.21336361e+01 17 -4.73412968e+00 -1.23546870e+01 6.20282877e-01 18 -4.51927354e+00 -1.33767049e+01 2.66518571e+01 19 1.50679514e+01 -1.15303653e+01 2.36192346e-01 20 -3.66364976e+00 1.53183580e+01 -1.15546541e+01 21 -6.09450931e+00 -6.78203713e+00 4.22483509e+00 22 -4.22635200e+00 1.25907478e+01 -5.75320982e-01 23 -1.88398377e+01 -1.18535093e+00 -5.91120633e+00 24 8.70196032e+00 -2.35105466e+00 -4.85808929e+00 25 -1.76575075e+01 1.42826674e+01 8.37719412e+00 26 -1.10097631e+01 9.69420212e+00 1.11844668e+01 27 1.69083390e-01 1.87825002e+01 -1.77708707e+01 28 7.16668517e+00 -1.97459055e+01 -3.16504638e+00 29 3.66281762e+00 -5.24757799e+00 1.54071084e+01 30 9.87659009e-01 -8.78289601e+00 -1.23844403e+01 31 6.25833562e+00 -8.62096806e-01 1.12747261e+01 32 -8.39651544e+00 -1.16240596e+00 2.68273057e+00 MONOATOMIC STRUCTURE (pbc=False)-- Species = Pd (Configuration in file "config-F-Pd.xyz") ----------------------------------------------------------------------------------------------------- Energy = 607.146649319 Forces: 1 -1.73239048e+01 -5.47025489e+00 -2.09855017e+01 2 -1.54085498e+02 2.34206277e+02 -1.57793530e+01 3 8.21376369e+01 -5.62734630e+01 -8.21661232e+01 4 -6.46806756e+01 -1.14894172e+02 -1.85192340e+02 5 1.54235028e+02 -2.36481521e+02 -3.83021008e+01 6 6.66097080e+01 -6.47067963e+01 -7.72926302e+01 7 8.64597342e+01 -4.70340938e+01 -7.87856258e+01 8 -3.34017074e+02 4.29240678e+01 -2.84801456e+02 9 -9.62816331e+01 -4.41256671e+01 -6.79975963e+01 10 1.40085527e+01 7.44733046e+01 -5.14042138e+01 11 4.77748048e+01 -5.11129178e+01 5.20897519e+01 12 -9.48544266e+01 6.63806871e+01 -6.97760289e+01 13 -1.08271479e+02 -5.24722135e+01 -1.45487456e+02 14 8.46493695e+01 1.35085506e+02 -1.06991519e+02 15 3.26159096e+02 -2.34492455e+02 1.27053796e+02 16 -2.24429392e+02 3.80961341e+02 -8.20336022e+01 17 -2.06515482e+02 -2.14676818e+02 1.22480954e+02 18 1.91722613e+02 1.35475912e+02 -3.09342167e+01 19 -1.70728580e+02 -2.03933739e+02 -1.05415033e+01 20 -8.90612031e+01 -4.77669875e+01 4.74435312e+01 21 -7.90557341e+01 -4.69592714e+01 4.76722294e+01 22 3.12552244e+02 -2.90249666e+01 3.59527801e+02 23 1.62698697e+01 -1.32611207e+01 6.79263554e+00 24 1.67997041e+02 1.67364112e+02 5.33715619e+01 25 -5.55038876e+01 1.51823409e+02 1.08361095e+02 26 8.81656839e+01 2.85179362e+01 9.86884987e+01 27 7.17168182e+01 8.89770859e+01 5.64606856e+01 28 -2.22563156e+01 2.31214138e+01 2.57552305e+01 29 -1.20764529e+02 -1.77407752e+02 1.64678438e+02 30 1.34043048e+02 9.48994778e+01 4.81680473e+00 31 3.31783660e+01 -4.32575493e+00 3.31913353e+01 32 -3.98498002e+01 2.02094342e+01 4.00869187e+01 MONOATOMIC STRUCTURE (pbc=True)-- Species = Pd (Configuration in file "config-T-Pd.xyz") ----------------------------------------------------------------------------------------------------- Energy = 1080.03841695 Forces: 1 1.16327148e+02 1.22504000e+02 -2.59263909e+01 2 -3.20368565e+02 2.33375626e+02 3.02660876e+02 3 1.37939367e+02 2.43807415e+01 -8.55929287e+01 4 7.84323482e+01 -7.73616317e+01 -1.78180110e+02 5 1.70399912e+02 -1.66215181e+02 1.24521247e+02 6 1.47109069e+01 -6.73279045e+01 -8.79666998e+01 7 5.49638932e+00 -3.29165835e+01 -7.36027279e+01 8 -3.36803261e+02 4.41152785e+01 -2.83998458e+02 9 -3.78436632e+01 -6.93166235e+01 -4.87974093e+01 10 -5.75526365e+01 2.58251523e+01 -1.41619643e+00 11 4.80400912e+01 -5.08445346e+01 5.14411926e+01 12 -8.01710967e+01 -6.27227571e+01 -2.44069944e+01 13 -1.90528500e+02 -6.26895118e+01 4.46003667e+01 14 -5.10745253e+01 3.16451598e+01 -7.41276192e+01 15 2.65820742e+02 -2.29178970e+02 1.15608346e+02 16 -2.33497407e+02 3.01354444e+02 -1.20013362e+02 17 -1.74353686e+02 -1.80514904e+02 1.49961602e+02 18 1.90486605e+02 1.35306947e+02 -3.13572463e+01 19 -2.17009976e+02 -1.94587295e+02 -9.47246601e+01 20 -5.13048431e+01 -3.74633066e+01 3.17887452e+01 21 -1.06645237e+02 3.75651639e+01 7.19120742e+01 22 2.24573311e+02 -5.17228187e+01 4.04374775e+02 23 -1.12098137e+01 3.77832542e+01 -5.30309689e+01 24 3.34489227e+02 2.23885336e+02 -2.71055057e+02 25 1.05338902e+00 1.54153577e+02 1.19362678e+02 26 9.13950939e+01 3.92618446e-01 1.03121246e+02 27 7.29799065e+01 7.99834404e+01 3.54642772e+01 28 4.24885393e+02 -5.66677028e+01 3.12466297e+02 29 -1.22488068e+02 -1.79943464e+02 1.63121182e+02 30 -2.70574696e+02 1.41123364e+02 -3.17597968e+02 31 8.58001432e+01 -4.58002477e+01 -1.18281146e+02 32 -1.40399963e+00 -2.81206659e+01 -1.40328962e+02 MIXED STRUCTURE (pbc=False)-- Species = Al Mn Pd (Configuration in file "config-F-AlMnPd.xyz") ----------------------------------------------------------------------------------------------------- Energy = 90.2410121576 Forces: 1 -3.71430404e+00 -1.03817861e+01 -1.02348238e+01 2 9.47046604e-01 -3.04930042e+00 -1.20614224e+01 3 -3.38008510e+01 -1.15384528e+01 -2.36312356e+01 4 -2.76994324e+01 -1.79067338e+01 1.42325605e+01 5 -8.51288163e-01 -1.17998141e+01 -1.15828926e+01 6 9.54744860e+01 1.82831038e+00 -9.93287778e+01 7 1.26384553e+01 -2.95516717e+01 7.93552186e+00 8 -9.23535801e+01 2.05855034e+01 7.01626054e+01 9 -4.47126437e+01 1.30270273e+01 -5.98146800e+01 10 1.52162231e+01 2.21201024e+01 -3.61887487e+01 11 5.06806159e+01 1.18335595e+01 3.86576038e+01 12 -3.09612804e+01 6.52382090e+00 3.30204084e+01 13 1.52203962e+01 -8.00541875e+00 -9.70309187e+00 14 3.18600779e+00 3.73147563e+00 -9.11738202e+00 15 1.32725271e+01 -2.19390033e+01 -2.85372163e+01 16 -1.01452559e+01 8.16187501e+00 -1.79474971e+01 17 -2.45678174e+01 -1.49092583e+01 -2.50710649e+01 18 8.99212777e+00 -1.07016609e+01 9.82369232e+00 19 1.91460753e+01 -9.57565535e+00 2.54044002e+01 20 -2.37047289e+01 -4.71457058e+01 6.72881359e+01 21 3.39898314e+01 -1.79931674e+01 2.76018330e+01 22 3.82527899e+01 -4.24300021e+01 -3.56467716e+01 23 5.53816027e+00 -1.89831091e+01 9.78319779e+00 24 -1.48862329e+01 -1.49418588e+01 3.38040746e+01 25 -1.85290264e+01 5.75111494e+01 -6.59186457e+01 26 -1.37978639e+01 2.16300930e+01 -4.26077241e+00 27 1.20419909e+01 2.24184356e+00 1.83970144e+01 28 -1.00634414e+01 1.44376578e+01 1.09313124e+01 29 -1.70349300e+01 1.56350731e+01 -1.44115768e+01 30 1.88321977e+01 3.81273593e+01 3.21173036e+01 31 2.13996115e+01 4.31738250e+01 4.49503546e+01 32 1.99413382e+00 1.02839230e+01 1.93465811e+01 MIXED STRUCTURE (pbc=True)-- Species = Al Mn Pd (Configuration in file "config-T-AlMnPd.xyz") ----------------------------------------------------------------------------------------------------- Energy = 327.920361227 Forces: 1 -2.39619324e+01 3.54644989e+01 -2.94005092e+01 2 4.27967648e+00 9.20385253e+00 4.75719739e+00 3 -3.45370765e+01 2.52942858e+01 -3.63128793e+01 4 2.12605332e+00 -1.33180349e+01 3.06042614e+01 5 -6.92715161e+00 -1.24953000e+00 -2.40039917e+01 6 6.06041510e+01 7.75263435e+00 -1.02056364e+02 7 1.51207437e+01 -1.17995825e+01 1.83916128e+01 8 -9.20602156e+01 2.12039028e+01 7.13067935e+01 9 -5.36493640e+01 1.44076713e+01 -3.22547472e+01 10 3.62052507e+01 -8.48637325e+00 -3.58718835e+01 11 4.99006352e+01 1.16732564e+01 3.92344476e+01 12 -2.34977139e+01 -2.89925168e+01 6.31801204e+01 13 1.07237597e+01 -1.72175053e+01 2.32415306e-02 14 1.36832486e+01 -8.94584204e+00 -1.83287542e+01 15 1.32891387e+01 -3.16977575e+01 -2.60609801e+01 16 -1.98433256e+01 -1.53117766e+01 -1.22622743e+01 17 -1.52636863e+01 -1.35355363e+01 -3.24322927e+01 18 1.02313466e+01 -1.03226309e+01 9.17889032e+00 19 1.88957925e+01 -6.07472055e+00 1.37617228e+01 20 2.80848948e+02 -8.14304839e+01 3.03260622e+02 21 7.22937892e+01 5.62942322e+01 2.53959165e+01 22 -3.10964472e+02 -5.95082778e+01 -2.76028281e+02 23 -1.42130880e+01 -2.81494094e+01 5.01104022e+00 24 -1.42129320e+01 -1.39540780e+01 2.92812380e+01 25 7.84256666e+01 9.98663290e+01 -1.03457350e+02 26 -5.71821387e+01 -5.88271860e+01 1.42434002e+01 27 2.36870891e+01 5.23261318e+00 -9.53698714e+00 28 3.95568192e+01 5.67035943e+01 6.77740108e+00 29 -1.65118797e+01 1.47455040e+01 -1.64120732e+01 30 2.30970748e+01 2.99464238e+01 3.40807783e+01 31 -8.06566596e+01 1.34859407e+01 7.14962710e+01 32 1.05124531e+01 7.54650269e+00 1.44344125e+01 ================================================================================ VALGRIND OUTPUT ================================================================================ ==11830== Memcheck, a memory error detector ==11830== Copyright (C) 2002-2017, and GNU GPL'd, by Julian Seward et al. ==11830== Using Valgrind-3.13.0 and LibVEX; rerun with -h for copyright info ==11830== Command: python runner2.py EAM_IMD_SchopfBrommerFrigan_2012_AlMnPd__MO_878712978062_003 ==11830== ==11830== Syscall param sched_getaffinity(mask) points to unaddressable byte(s) ==11830== at 0x4F3FF2F: sched_getaffinity@@GLIBC_2.3.4 (sched_getaffinity.c:36) ==11830== by 0x705438B: get_num_procs (in /usr/local/lib/python2.7/dist-packages/numpy/.libs/libopenblasp-r0-8dca6697.3.0.dev.so) ==11830== by 0x705447C: blas_get_cpu_number (in /usr/local/lib/python2.7/dist-packages/numpy/.libs/libopenblasp-r0-8dca6697.3.0.dev.so) ==11830== by 0x6E2C077: gotoblas_init (in /usr/local/lib/python2.7/dist-packages/numpy/.libs/libopenblasp-r0-8dca6697.3.0.dev.so) ==11830== by 0x4010732: call_init (dl-init.c:72) ==11830== by 0x4010732: _dl_init (dl-init.c:119) ==11830== by 0x40151FE: dl_open_worker (dl-open.c:522) ==11830== by 0x4FA32DE: _dl_catch_exception (dl-error-skeleton.c:196) ==11830== by 0x40147C9: _dl_open (dl-open.c:605) ==11830== by 0x544CF95: dlopen_doit (dlopen.c:66) ==11830== by 0x4FA32DE: _dl_catch_exception (dl-error-skeleton.c:196) ==11830== by 0x4FA336E: _dl_catch_error (dl-error-skeleton.c:215) ==11830== by 0x544D734: _dlerror_run (dlerror.c:162) ==11830== Address 0x0 is not stack'd, malloc'd or (recently) free'd ==11830== ==11830== ==11830== HEAP SUMMARY: ==11830== in use at exit: 13,489,351 bytes in 4,341 blocks ==11830== total heap usage: 240,561 allocs, 236,220 frees, 92,445,003 bytes allocated ==11830== ==11830== LEAK SUMMARY: ==11830== definitely lost: 0 bytes in 0 blocks ==11830== indirectly lost: 0 bytes in 0 blocks ==11830== possibly lost: 182,735 bytes in 112 blocks ==11830== still reachable: 13,306,616 bytes in 4,229 blocks ==11830== suppressed: 0 bytes in 0 blocks ==11830== Rerun with --leak-check=full to see details of leaked memory ==11830== ==11830== For counts of detected and suppressed errors, rerun with: -v ==11830== ERROR SUMMARY: 1 errors from 1 contexts (suppressed: 2542 from 171) ================================================================================ 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.