ID0002509: **This issue was created automatically from Mantis Issue 2509. Further discussion may take place here.** --- | **Id** | **Project** | **Category** | **View** | **Due Date** | **Updated** | | --- | --- | --- | --- | --- | --- | | ID0002509 | Frama-C | Plug-in > wp | public | 2020-10-15 | 2020-10-15 | | | | | | | | | --- | --- | --- | --- | --- | --- | | **Reporter** | rwmjones | **Assigned To** | correnson | **Resolution** | duplicate | | **Priority** | normal | **Severity** | minor | **Reproducibility** | have not tried | | **Platform** | - | **OS** | - | **OS Version** | - | | **Product Version** | - | **Target Version** | - | **Fixed in Version** | - | ### Description : Apparently z3 dropped this parameter and replaced it with "model.compact" without bothering with backward compatibility: https://github.com/Z3Prover/z3/issues/2704#issuecomment-554489258 ### Steps To Reproduce : Use z3 4.8.9, turn on debugging. <6.827036,call_prover>Call_provers: actual command is: z3 -smt2 -t:10000 sat.random_seed=42 model_compress=false nlsat.randomize=false smt.random_seed=42 -st /tmp/why_b9efc2_zilch-T-wp_goal.smt2 ERROR: unknown parameter 'model_compress'