[Odin]: - fixing netlist identifier mem leak if blif file is empty

        - regenerating _BLIF/syntax expectation results

Signed-off-by: Seyed Alireza Damghani <[email protected]>

Author: sdamghan

ODIN_II/SRC/BLIFReader.cc

@@ -195,8 +195,11 @@ void BLIF::Reader::find_top_module() {
         my_location.line += 1;
 
         // not sure if this is needed
-        if (feof(file))
+        if (feof(file)) {
+            /* clean up */
+            vtr::free(buffer);
             break;
+        }
 
         char* token = vtr::strtok(buffer, TOKENS, file, buffer);
         if (token && !strcmp(token, ".model")) {

ODIN_II/regression_test/benchmark/task/_BLIF/syntax/techmap_result.json

@@ -933,6 +933,7 @@
         "test_name": "syntax/cf_fft_1024_16/k6_frac_N10_frac_chain_mem32K_40nm",
         "architecture": "k6_frac_N10_frac_chain_mem32K_40nm.xml",
         "input_blif": "cf_fft_1024_16.blif",
+        "exec_time(ms)": 156646.4,
         "Latch Drivers": 1,
         "Pi": 67,
         "Po": 65,