| System | Version | Divisions | Entrant (Associates) | Affiliation | Entry date | System Description | Sample Solutions | 
|---|---|---|---|---|---|---|---|
| CVC3 | 2.4 | TFA | Cesare Tinelli (Clark Barrett) | University of Iowa (New York University) | 06/06/11 | Description |  | 
| E(P/LTB) | 1.4pre | FOF FNT CNF EPR UEQ LTB | Stephan Schulz | Technische Universität München | 17/03/11 | Description | Samples | 
| E-Darwin | 1.4 | FOF FNT CNF EPR UEQ | Björn Pelzer | Universität Koblenz-Landau | 22/06/11 | Description | Samples | 
| E-KRHyper | 1.2 | FOF FNT CNF EPR UEQ LTB | Björn Pelzer | Universität Koblenz-Landau | 22/06/11 | Description | Samples | 
| E-MaLeS | 1.0 | FOF | Daniel Kuehlwein (Josef Urban, Stephan Schulz) | Radboud Universiteit Nijmegen (Technische Universität München) | 27/06/11 | Description | Samples | 
| FIMO | 0.2 | FNT EPR | Orkunt Sabuncu | University of Potsdam | 30/06/11 | Description | Samples | 
| H2WO4 | 11.07 | TFA (demo) | David Stanovsky | Charles University in Prague | 24/06/11 | Description |  | 
| iProver | 0.8 | EPR | CASC | CASC-J5 EPR winner | 17/03/11 | Description |  | 
| iProver(‑SInE) | 0.9 | FOF FNT CNF EPR UEQ LTB | Konstantin Korovin | The University of Manchester | 27/06/11 | Description | Samples | 
| iProver‑Eq(‑SInE) | 0.7 | FOF FNT CNF EPR UEQ LTB | Christoph Sticksel (Konstantin Korovin) | The University of Manchester | 27/06/11 | Description |  | 
| Isabelle/HOL | 2011 | THF | Jasmin Blanchette (Larry Paulson, Tobias Nipkow, Markus Wenzel) | Technische Universität München | 18/03/11 | Description |  | 
| leanCoP | 2.2 | FOF | Jens Otten | University of Potsdam | 27/06/11 | Description | Samples | 
| LEO-II | 1.2 | THF | CASC | CASC-J5 THF winner | 17/03/11 | Description |  | 
| LEO-II | 1.2.8 | THF FOF CNF | Christoph Benzmüller | Freie Universität Berlin | 25/06/11 | Description |  | 
| MELIA | 0.1.2 | TFA | Peter Baumgartner | NICTA and ANU | 27/06/11 | Description |  | 
| Metis | 2.3 | FOF CNF EPR UEQ | Joe Hurd | Galois, Inc. | 01/06/11 | Description | Samples | 
| MetiTarski | 1.8 | TFA (demo) | Lawrence C. Paulson | University of Cambridge | 21/06/11 | Description |  | 
| Muscadet | 4.1 | FOF | Dominique Pastre | University Paris Descartes | 02/06/11 | Description | Samples | 
| Nitpick | 2011 | TNT | Jasmin Blanchette | Technische Universität München | 18/03/11 | Description |  | 
| Nitrox | 0.2 | FNT | Jasmin Blanchette (Emina Torlak) | Technische Universität München | 18/03/11 | Description | Samples | 
| Otter | 3.3 | FOF CNF UEQ | CASC (William McCune) | CASC (Argonne National Laboratory) | 17/03/11 | Description |  | 
| Paradox | 3.0 | FNT | CASC | CASC-J5 FNT winner | 17/03/11 | Description | Samples | 
| Refute | 2011 | TNT | Jasmin Blanchette (Tjark Weber) | Technische Universität München | 18/03/11 | Description |  | 
| Satallax | 2.1 | THF TNT | Chad Brown | Saarland University | 16/06/11 | Description |  | 
| SPASS+T | 2.2.14 | TFA | Uwe Waldmann (Stephan Zimmer) | Max-Planck-Institut für Informatik (AbsInt GmbH) | 27/06/11 | Description |  | 
| SPASS-XDB | 0.8 | TFA (demo) | Geoff Sutcliffe (Martin Suda, David Stanovsky) | University of Miami (Max‑Planck‑Institut für Informatik and Saarland University, Charles University in Prague) | 17/03/11 | Description |  | 
| TPS | 3.110228S1a | THF | Chad Brown | Saarland University | 22/06/11 | Description |  | 
| Vampire | 0.6 | FOF CNF | CASC | CASC-J5 FOF and CNF winner | 17/03/11 | Missing | Samples | 
| Vampire | 1.8 | FOF CNF EPR UEQ LTB | Krystof Hoder (Andrei Voronkov) | The University of Manchester | 27/06/11 | Description | Samples | 
| Waldmeister | 710 | UEQ | CASC | CASC-J5 UEQ winner | 17/03/11 | Description |  | 
| Z3 | 2.20 | TFA (demo) | Nikolaj Bjorner (Leonardo de Moura) | Microsoft Research | 28/06/11 | Missing |  | 
| THF | TFA | FOF | FNT | CNF | EPR | UEQ | LTB | 
|---|---|---|---|---|---|---|---|
| LEO-II 1.2 LEO-II 1.2.8 Isabelle/HOL 2011 Satallax 2.1 TPS 3.110228S1a | CVC3 2.4 MELIA 0.1.2 SPASS+T 2.2.14 | EP 1.4pre E-Darwin 1.4 E-KRHyper 1.2 E-MaLeS 1.0 iProver 0.9 iProver-Eq 0.7 leanCoP 2.2 LEO-II 1.2.8 Metis 2.3 Muscadet 4.1 Otter 3.3 Vampire 0.6 Vampire 1.8 | EP 1.4pre E-Darwin 1.4 E-KRHyper 1.2 FIMO 0.2 iProver 0.9 iProver-Eq 0.7 Nitrox 0.2 Paradox 3.0 | E 1.4pre E-Darwin 1.4 E-KRHyper 1.2 iProver 0.9 iProver-Eq 0.7 LEO-II 1.2.8 Metis 2.3 Otter 3.3 Vampire 0.6 Vampire 1.8 | E 1.4pre E-Darwin 1.4 E-KRHyper 1.2 FIMO 0.2 iProver 0.8 iProver 0.9 iProver-Eq 0.7 Metis 2.3 Vampire 1.8 | E 1.4pre E-Darwin 1.4 E-KRHyper 1.2 iProver 0.9 iProver-Eq 0.7 Metis 2.3 Otter 3.3 Vampire 1.8 Waldmeister 710 | E-LTB 1.4pre E-KRHyper 1.2 iProver-SInE 0.9 iProver-Eq-SInE 0.7 Vampire 1.8 | 
| THF | TFA | FOF | FNT | CNF | SAT | EPR | UEQ | LTB | TNT | 
|---|---|---|---|---|---|---|---|---|---|
| H2WO4 11.07 MetiTarski 1.8 SPASS-XDB 0.8 Z3 2.20 | Nitpick 2011 Refute 2011 Satallax 2.1 | 
| Who | System | T-Shirt | 
|---|---|---|
| Franz Baader*F | Panelist | Large | 
| Peter Baumgartner* | MELIA 0.1.2 | XXLarge | 
| Stefan Bender*FT | System Administrator | Large | 
| Christoph Benzmüller* | LEO-II 1.2.8 | Medium | 
| Nikolaj Bjorner | Z3 2.20 | XLarge | 
| Jasmin Blanchette* | Isabelle/HOL 2011, Nitpick 2011, Nitrox 0.2, Refute 2011 | Large | 
| Chad Brown* | Satallax 2.1, TPS 3.110228S1a | Medium | 
| Koen Claessen*F | Panelist | Medium | 
| Leonardo de Moura | Z3 2.20 | Medium | 
| Krystof Hoder* | Vampire 1.8 | Large | 
| Joe Hurd* | Metis 2.3 | Large | 
| Konstantin Korovin* | iProver 0.9 | Large | 
| Daniel Kuehlwein | E-MaLeS 1.0 | Large | 
| Jens Otten* | leanCoP 2.2 | Medium | 
| Dominique Pastre* | Muscadet 4.1 | Medium | 
| Lawrence C. Paulson | MetiTarski 1.8 | Medium | 
| Adam Pease*F | Sponsor | XLarge | 
| Björn Pelzer* | E-Darwin 1.4, E-KRHyper 1.2 | Large | 
| Orkunt Sabuncu | FIMO 0.2 | Large | 
| Stephan Schulz* | E(P/LTB) 1.4pre | XXLarge | 
| David Stanovsky* | H2WO4 11.07 | XLarge | 
| Christoph Sticksel* | iProver-Eq 0.7 | Large | 
| Martin Suda* | SPASS-XDB 0.8 | Large | 
| Geoff Sutcliffe*F | Organizer, SPASS-XDB 0.8 | XLarge | 
| Cesare Tinelli* | CVC3 2.4 | Medium | 
| Andrei Voronkov* | Vampire 1.8 | Large | 
| Uwe Waldmann* | SPASS+T 2.2.14 | XLarge | 
| Christoph Weidenbach*F | Panelist | Large |