Agent Software Testing

Agolic

An LLM agent that plans a campaign of short runs on a backend (KLEE, Direct-Input or AFL++) and chooses for each run its command-line arguments, inputs and seeds from the source code and the results so far.

Terms
Release
A dated snapshot of the data, named like 2026.1. It never changes; corrections go into the next release.
Entry
A tool in one version and configuration, with a model, a track and a budget. One row of the data.
Superseded
An entry that a newer one replaces. It stays in the release and shows under all versions.
Withdrawn
An entry taken out of the comparison after it was published.
All tools

Reference: arxiv.org/abs/2608.06397

Versions

Every entry of Agolic
EntryVersionModelConfigurationSubmittedFirst releasePrograms coveredStatus
Agolic KLEE, GPT-5.4unreleased+cfd2c75fGPT-5.4KLEE; reasoning effort medium; six slots; 40 turns per round2026-10-222026.118 of 18superseded by Agolic KLEE, GPT-5.5
Agolic KLEE, GPT-5.51.0.1+2407fd07GPT-5.5KLEE; reasoning effort medium; six slots; 60 turns per round2026-10-162026.118 of 18current
Agolic KLEE, DeepSeek V4.1 Flash1.0.1+8a86838eDeepSeek V4.1 FlashKLEE; reasoning effort medium; six slots; 60 turns per round2026-10-162026.19 of 18current
Agolic Direct-Input, DeepSeek V4.1 Flash1.0.1+8a86838eDeepSeek V4.1 FlashDirect-Input; reasoning effort medium; six slots; 60 turns per round2026-10-162026.19 of 18current
Agolic AFL++, DeepSeek V4.1 Flash1.0.1+8a86838eDeepSeek V4.1 FlashAFL++; reasoning effort medium; six slots; 60 turns per round2026-10-162026.14 of 18current
Agolic KLEE, GPT-5.5, effort low1.0.1+2407fd07GPT-5.5KLEE; reasoning effort low; six slots; 60 turns per round2026-10-162026.14 of 18current
Agolic KLEE, GPT-5.5, effort extra high1.0.1+2407fd07GPT-5.5KLEE; reasoning effort extra high; six slots; 60 turns per round2026-10-162026.14 of 18current
Agolic KLEE, GPT-5.5, Harness-Entry Mode only1.0.1+2407fd07GPT-5.5KLEE; Harness-Entry Mode only; reasoning effort medium; six slots; 60 turns per round2026-10-162026.14 of 18current
Agolic KLEE, GPT-5.5, Seeded-Prefix Mode only1.0.1+2407fd07GPT-5.5KLEE; Seeded-Prefix Mode only; reasoning effort medium; six slots; 60 turns per round2026-10-162026.14 of 18current
Agolic KLEE, GPT-5.5, seed finder off1.0.1+2407fd07GPT-5.5KLEE; seed finder off; reasoning effort medium; six slots; 60 turns per round2026-10-162026.14 of 18current
Agolic KLEE, GPT-5.5, proposal review off1.0.1+2407fd07GPT-5.5KLEE; proposal review off; reasoning effort medium; six slots; 60 turns per round2026-10-162026.14 of 18current
Agolic KLEE, GPT-5.5, run history withheldunknownGPT-5.5KLEE; run history withheld; reasoning effort medium; six slots; 60 turns per round2026-10-162026.14 of 18current
Agolic KLEE, DeepSeek V4.1 Flash, effort low1.0.1+8a86838eDeepSeek V4.1 FlashKLEE; reasoning effort low; six slots; 60 turns per round2026-10-162026.14 of 18current
Agolic KLEE, DeepSeek V4.1 Flash, effort high1.0.1+8a86838eDeepSeek V4.1 FlashKLEE; reasoning effort high; six slots; 60 turns per round2026-10-162026.14 of 18current

Median coverage by version

Median final branch coverage of every entry of Agolic by program
ProgramAgolic KLEEGPT-5.51.0.1+2407fd072026-10-16Agolic KLEEDeepSeek V4.1 Flash1.0.1+8a86838e2026-10-16Agolic Direct-InputDeepSeek V4.1 Flash1.0.1+8a86838e2026-10-16Agolic AFL++DeepSeek V4.1 Flash1.0.1+8a86838e2026-10-16
bc75.4%, 3 runsno runsno runsno runs
Confetti50.0%, 3 runs51.1%, 3 runs51.1%, 3 runs51.1%, 3 runs
diff47.4%, 3 runs55.1%, 3 runs62.2%, 3 runsno runs
du22.7%, 3 runs24.1%, 3 runs24.8%, 3 runsno runs
gawk37.5%, 3 runs55.7%, 3 runs60.8%, 3 runsno runs
gcal41.9%, 3 runsno runsno runsno runs
grep55.8%, 3 runsno runsno runsno runs
gzip50.8%, 3 runs53.1%, 3 runs58.1%, 3 runsno runs
jq30.5%, 3 runsno runsno runsno runs
Krep67.2%, 3 runs66.0%, 3 runs77.0%, 3 runs63.4%, 3 runs
Libmatheval56.9%, 3 runsno runsno runsno runs
LibYAML63.7%, 3 runsno runsno runsno runs
ls47.4%, 3 runs58.0%, 3 runs53.7%, 3 runsno runs
Oggenc71.0%, 3 runsno runsno runs71.4%, 3 runs
sed55.3%, 3 runsno runsno runsno runs
WOFF216.0%, 3 runs16.1%, 3 runs18.7%, 3 runs19.3%, 3 runs
xmlwf61.5%, 3 runs66.6%, 3 runs62.7%, 3 runsno runs
xorriso10.7%, 3 runsno runsno runsno runs