Bug: memory leak in integrated test case 919_OF_out_elf

[kirk0830]

Describe the bug

=================================================================
==136309==ERROR: LeakSanitizer: detected memory leaks

Direct leak of 4816 byte(s) in 7 object(s) allocated from:
#0 0x7fbf098b9887 in __interceptor_malloc ../../../../src/libsanitizer/asan/asan_malloc_linux.cpp:145
#1 0x7fbf08ae8bc6 in ompi_op_base_op_select (/lib/x86_64-linux-gnu/libmpi.so.40+0xd6bc6)

Direct leak of 4816 byte(s) in 7 object(s) allocated from:
#0 0x7fbf098b9887 in __interceptor_malloc ../../../../src/libsanitizer/asan/asan_malloc_linux.cpp:145
#1 0x7fbec6f624fb ()

Direct leak of 4096 byte(s) in 1 object(s) allocated from:
#0 0x7fbf098bb357 in operator new[](unsigned long) ../../../../src/libsanitizer/asan/asan_new_delete.cpp:102
#1 0x560f9891dc31 in KEDF_vW::tau_vw(double const* const*, ModulePW::PW_Basis*, double*) /__w/abacus-develop/abacus-develop/source/module_hamilt_pw/hamilt_ofdft/kedf_vw.cpp:132
#2 0x560f98ab0bda in ModuleESolver::ESolver_OF::kinetic_energy_density(double**, double**, double**) /__w/abacus-develop/abacus-develop/source/module_esolver/esolver_of_interface.cpp:162
#3 0x560f98aabc58 in ModuleESolver::ESolver_OF::after_opt(int, UnitCell&) /__w/abacus-develop/abacus-develop/source/module_esolver/esolver_of.cpp:515
#4 0x560f98aabc58 in ModuleESolver::ESolver_OF::runner(int, UnitCell&) /__w/abacus-develop/abacus-develop/source/module_esolver/esolver_of.cpp:248
#5 0x560f98579a86 in Relax_Driver::relax_driver(ModuleESolver::ESolver*) /__w/abacus-develop/abacus-develop/source/module_relax/relax_driver.cpp:51
#6 0x560f985b39b4 in Driver::driver_run() /__w/abacus-develop/abacus-develop/source/driver_run.cpp:68
#7 0x560f985ac6ce in Driver::atomic_world() /__w/abacus-develop/abacus-develop/source/driver.cpp:186
#8 0x560f985b1a46 in Driver::init() /__w/abacus-develop/abacus-develop/source/driver.cpp:40
#9 0x560f97bcc77a in main /__w/abacus-develop/abacus-develop/source/main.cpp:42

Direct leak of 4096 byte(s) in 1 object(s) allocated from:
#0 0x7fbf098bb357 in operator new[](unsigned long) ../../../../src/libsanitizer/asan/asan_new_delete.cpp:102
#1 0x560f9891dc9f in KEDF_vW::tau_vw(double const* const*, ModulePW::PW_Basis*, double*) /__w/abacus-develop/abacus-develop/source/module_hamilt_pw/hamilt_ofdft/kedf_vw.cpp:133
#2 0x560f98ab0bda in ModuleESolver::ESolver_OF::kinetic_energy_density(double**, double**, double**) /__w/abacus-develop/abacus-develop/source/module_esolver/esolver_of_interface.cpp:162
#3 0x560f98aabc58 in ModuleESolver::ESolver_OF::after_opt(int, UnitCell&) /__w/abacus-develop/abacus-develop/source/module_esolver/esolver_of.cpp:515
#4 0x560f98aabc58 in ModuleESolver::ESolver_OF::runner(int, UnitCell&) /__w/abacus-develop/abacus-develop/source/module_esolver/esolver_of.cpp:248
#5 0x560f98579a86 in Relax_Driver::relax_driver(ModuleESolver::ESolver*) /__w/abacus-develop/abacus-develop/source/module_relax/relax_driver.cpp:51
#6 0x560f985b39b4 in Driver::driver_run() /__w/abacus-develop/abacus-develop/source/driver_run.cpp:68
#7 0x560f985ac6ce in Driver::atomic_world() /__w/abacus-develop/abacus-develop/source/driver.cpp:186
#8 0x560f985b1a46 in Driver::init() /__w/abacus-develop/abacus-develop/source/driver.cpp:40
#9 0x560f97bcc77a in main /__w/abacus-develop/abacus-develop/source/main.cpp:42

Expected behavior

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To Reproduce

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Environment

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Additional Context

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