/data/retesteth/build/retesteth/retesteth -t DifficultyTests -- --all -j2 --nologcolor --exectimelog --clients t8ntool --testpath /data/tests 
Running tests using path: /data/tests
Running 7 test cases...
Retesteth config path: /home/ubuntu/.retesteth
Active client configurations: 't8ntool '
Running tests for config 'Ethereum GO on StateTool' 2
Test Case "dfArrowGlacier": (1 of 7)
20%...
40%...
Instantiated: "evm version 1.13.2-unstable-b85c183e-20230926"
Instantiated: "evm version 1.13.2-unstable-b85c183e-20230926"
60%...
80%...
100%
Tests finished: 5
dfArrowGlacier time: 67.13, cputime: 2.88 (4%), t8ntime: 128.15 (190%)
Running tests for config 'Ethereum GO on StateTool' 2
Test Case "dfByzantium": (2 of 7)
100%
Tests finished: 1
dfByzantium time: 85.87, cputime: 2.46 (2%), t8ntime: 83.73 (97%)
Running tests for config 'Ethereum GO on StateTool' 2
Test Case "dfConstantinople": (3 of 7)
100%
Tests finished: 1
dfConstantinople time: 86.27, cputime: 2.49 (2%), t8ntime: 84.12 (97%)
Running tests for config 'Ethereum GO on StateTool' 2
Test Case "dfEIP2384": (4 of 7)
33%...
66%...
100%
Tests finished: 3
dfEIP2384 time: 114.01, cputime: 4.58 (4%), t8ntime: 215.37 (188%)
Running tests for config 'Ethereum GO on StateTool' 2
Test Case "dfFrontier": (5 of 7)
100%
Tests finished: 1
dfFrontier time: 93.62, cputime: 2.72 (2%), t8ntime: 91.28 (97%)
Running tests for config 'Ethereum GO on StateTool' 2
Test Case "dfGrayGlacier": (6 of 7)
20%...
40%...
60%...
80%...
100%
Tests finished: 5
dfGrayGlacier time: 80.19, cputime: 2.94 (3%), t8ntime: 124.64 (155%)
Running tests for config 'Ethereum GO on StateTool' 2
Test Case "dfHomestead": (7 of 7)
100%
Tests finished: 1
dfHomestead time: 88.78, cputime: 2.60 (2%), t8ntime: 86.55 (97%)

*** No errors detected
*** Total Tests Run: 17

*** Execution time stats
Total Time:                               : 615.85          :   20.67 (3%)              :  813.84 (132%)
dfEIP2384                             time: 114.01   cputime:    4.58 (4%)       t8ntime:  215.37 (188%)
dfFrontier                            time: 93.62    cputime:    2.72 (2%)       t8ntime:   91.28 (97%)
dfHomestead                           time: 88.78    cputime:    2.60 (2%)       t8ntime:   86.55 (97%)
dfConstantinople                      time: 86.27    cputime:    2.49 (2%)       t8ntime:   84.12 (97%)
dfByzantium                           time: 85.87    cputime:    2.46 (2%)       t8ntime:   83.73 (97%)
dfGrayGlacier                         time: 80.19    cputime:    2.94 (3%)       t8ntime:  124.64 (155%)
dfArrowGlacier                        time: 67.13    cputime:    2.88 (4%)       t8ntime:  128.15 (190%)