This is Ultimate 0.2.4-tmp.dk.referee-eval-27b4987-m [2024-09-21 19:12:29,954 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 19:12:30,027 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 19:12:30,033 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 19:12:30,034 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 19:12:30,064 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 19:12:30,064 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 19:12:30,065 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 19:12:30,069 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 19:12:30,071 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 19:12:30,071 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 19:12:30,072 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 19:12:30,072 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 19:12:30,073 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 19:12:30,073 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 19:12:30,073 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 19:12:30,073 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 19:12:30,074 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 19:12:30,078 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 19:12:30,078 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 19:12:30,079 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 19:12:30,079 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 19:12:30,079 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 19:12:30,080 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 19:12:30,080 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 19:12:30,080 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 19:12:30,080 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 19:12:30,081 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 19:12:30,081 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 19:12:30,081 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 19:12:30,081 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 19:12:30,082 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 19:12:30,082 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 19:12:30,083 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:12:30,084 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 19:12:30,093 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 19:12:30,093 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 19:12:30,094 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 19:12:30,094 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 19:12:30,094 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 19:12:30,094 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 19:12:30,094 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 19:12:30,095 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 19:12:30,095 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 19:12:30,341 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 19:12:30,363 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 19:12:30,367 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 19:12:30,368 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 19:12:30,369 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 19:12:30,371 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/cpachecker-verification-files/SV-COMP24_unreach-call/recursified_fermat1-ll.yml/output/witness-2.1.yml [2024-09-21 19:12:30,433 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 19:12:30,433 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 19:12:30,434 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/recursified_nla-digbench/recursified_fermat1-ll.c [2024-09-21 19:12:31,839 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 19:12:32,021 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 19:12:32,021 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_nla-digbench/recursified_fermat1-ll.c [2024-09-21 19:12:32,028 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/3b12886da/d3d376f6026c475f99107db11b5dc074/FLAG6e92489e0 [2024-09-21 19:12:32,407 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/3b12886da/d3d376f6026c475f99107db11b5dc074 [2024-09-21 19:12:32,407 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 19:12:32,408 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 19:12:32,410 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 19:12:32,410 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 19:12:32,414 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 19:12:32,415 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 07:12:30" (1/2) ... [2024-09-21 19:12:32,416 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34801818 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:12:32, skipping insertion in model container [2024-09-21 19:12:32,416 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 07:12:30" (1/2) ... [2024-09-21 19:12:32,417 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@237c228f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:12:32, skipping insertion in model container [2024-09-21 19:12:32,417 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:12:32" (2/2) ... [2024-09-21 19:12:32,418 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34801818 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:12:32, skipping insertion in model container [2024-09-21 19:12:32,418 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:12:32" (2/2) ... [2024-09-21 19:12:32,427 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 19:12:32,429 INFO L1541 ArrayList]: Function contract at [L117]: requires 1, ensures 1 [2024-09-21 19:12:32,430 INFO L1541 ArrayList]: Function contract at [L94]: requires 1, ensures 1 [2024-09-21 19:12:32,430 INFO L1541 ArrayList]: Function contract at [L21]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:12:32,430 INFO L1541 ArrayList]: Function contract at [L32]: requires 1, ensures 1 [2024-09-21 19:12:32,430 INFO L1541 ArrayList]: Function contract at [L14]: requires 1, ensures 1 [2024-09-21 19:12:32,452 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 19:12:32,605 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_nla-digbench/recursified_fermat1-ll.c[1101,1114] [2024-09-21 19:12:32,635 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:12:32,644 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-21 19:12:32,672 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_nla-digbench/recursified_fermat1-ll.c[1101,1114] Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-21 19:12:32,688 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:12:32,701 INFO L204 MainTranslator]: Completed translation [2024-09-21 19:12:32,702 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:12:32 WrapperNode [2024-09-21 19:12:32,702 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 19:12:32,703 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 19:12:32,703 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 19:12:32,703 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 19:12:32,717 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:12:32" (1/1) ... [2024-09-21 19:12:32,717 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:12:32" (1/1) ... [2024-09-21 19:12:32,734 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:12:32" (1/1) ... [2024-09-21 19:12:32,760 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure reach_error is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-21 19:12:32,760 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:12:32" (1/1) ... [2024-09-21 19:12:32,761 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:12:32" (1/1) ... [2024-09-21 19:12:32,775 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:12:32" (1/1) ... [2024-09-21 19:12:32,781 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:12:32" (1/1) ... [2024-09-21 19:12:32,782 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:12:32" (1/1) ... [2024-09-21 19:12:32,787 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:12:32" (1/1) ... [2024-09-21 19:12:32,790 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 19:12:32,793 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 19:12:32,793 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 19:12:32,794 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 19:12:32,794 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:12:32" (1/1) ... [2024-09-21 19:12:32,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:12:32,810 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 19:12:32,825 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-21 19:12:32,828 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-21 19:12:32,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 19:12:32,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 19:12:32,875 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 19:12:32,875 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-21 19:12:32,876 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 19:12:32,876 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_46_to_51_0 [2024-09-21 19:12:32,876 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_38_to_43_0 [2024-09-21 19:12:32,876 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_33_to_36_0 [2024-09-21 19:12:32,876 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 19:12:32,877 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 19:12:32,877 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 19:12:32,877 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 19:12:32,877 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 19:12:32,877 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-21 19:12:32,878 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-21 19:12:32,878 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 19:12:32,878 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_46_to_51_0 [2024-09-21 19:12:32,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-21 19:12:32,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-21 19:12:32,879 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_38_to_43_0 [2024-09-21 19:12:32,879 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_33_to_36_0 [2024-09-21 19:12:32,879 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 19:12:32,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-09-21 19:12:32,880 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 19:12:32,880 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 19:12:32,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-21 19:12:32,880 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 19:12:32,990 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 19:12:32,993 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 19:12:32,998 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:12:33,014 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:12:33,065 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:12:33,069 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:12:33,191 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:12:33,227 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 19:12:33,259 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 19:12:33,259 INFO L318 CfgBuilder]: Removed 4 assume(true) statements. [2024-09-21 19:12:33,260 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 07:12:33 BoogieIcfgContainer [2024-09-21 19:12:33,260 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 19:12:33,261 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 19:12:33,261 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 19:12:33,261 INFO L274 PluginConnector]: Referee initialized [2024-09-21 19:12:33,262 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 07:12:30" (1/4) ... [2024-09-21 19:12:33,262 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@69346a76 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 07:12:33, skipping insertion in model container [2024-09-21 19:12:33,262 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 07:12:32" (2/4) ... [2024-09-21 19:12:33,262 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@69346a76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 07:12:33, skipping insertion in model container [2024-09-21 19:12:33,262 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:12:32" (3/4) ... [2024-09-21 19:12:33,263 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@69346a76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 07:12:33, skipping insertion in model container [2024-09-21 19:12:33,263 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 07:12:33" (4/4) ... [2024-09-21 19:12:33,264 INFO L79 RefereeObserver]: Analyzing ICFG recursified_fermat1-ll.c [2024-09-21 19:12:33,267 INFO L113 InvariantChecker]: Found 0 loops. [2024-09-21 19:12:33,268 INFO L373 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 19:12:33,268 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr4ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-21 19:12:33,268 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 19:12:33,269 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC func_to_recursive_line_38_to_43_0Err0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-21 19:12:33,269 INFO L373 InvariantChecker]: Will check inductivity from ENTRY func_to_recursive_line_33_to_36_0ENTRY to ERROR_LOC func_to_recursive_line_33_to_36_0Err0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-21 19:12:33,269 INFO L373 InvariantChecker]: Will check inductivity from ENTRY reach_errorENTRY to ERROR_LOC reach_errorErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 2 edges. [2024-09-21 19:12:33,269 INFO L373 InvariantChecker]: Will check inductivity from ENTRY func_to_recursive_line_33_to_36_0ENTRY to ERROR_LOC func_to_recursive_line_33_to_36_0Err2ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 11 edges. [2024-09-21 19:12:33,269 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-21 19:12:33,269 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-21 19:12:33,269 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-21 19:12:33,270 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC func_to_recursive_line_46_to_51_0Err0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-21 19:12:33,270 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 19:12:33,270 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-21 19:12:33,270 INFO L373 InvariantChecker]: Will check inductivity from ENTRY func_to_recursive_line_33_to_36_0ENTRY to ERROR_LOC func_to_recursive_line_33_to_36_0Err1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-21 19:12:33,270 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-21 19:12:33,270 INFO L131 InvariantChecker]: Will check 15 loop-free subgraphs from procedure entry to error location [2024-09-21 19:12:33,315 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-21 19:12:33,316 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:12:33,318 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:12:33,318 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:12:33,319 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:12:33,321 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:33,332 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-21 19:12:33,333 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:33,333 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:12:33,334 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:12:33,334 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:12:33,338 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:12:33,356 INFO L520 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:12:33,385 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-21 19:12:33,385 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:12:33,386 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:12:33,386 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:12:33,386 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:12:33,386 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:33,437 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-21 19:12:33,438 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:33,438 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:12:33,438 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:12:33,438 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:12:33,438 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:12:33,442 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr4ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:12:33,462 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-21 19:12:33,462 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:12:33,462 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:12:33,462 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:12:33,463 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:12:33,463 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:33,472 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-21 19:12:33,473 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:33,474 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:12:33,474 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:12:33,474 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:12:33,474 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:12:33,478 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:12:33,500 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 19:12:33,503 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:12:33,504 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:12:33,504 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:12:33,504 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:12:33,504 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:33,507 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 19:12:33,507 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:33,508 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:12:33,508 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:12:33,508 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:12:33,509 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:12:33,510 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location func_to_recursive_line_38_to_43_0Err0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:12:33,557 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 19:12:33,570 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:12:33,570 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:12:33,570 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:12:33,571 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:12:33,571 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:33,575 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 19:12:33,575 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:33,575 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:12:33,575 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:12:33,576 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:12:33,576 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:12:33,580 INFO L520 InvariantChecker]: The annotation(s) from entry func_to_recursive_line_33_to_36_0ENTRY to error location func_to_recursive_line_33_to_36_0Err0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:12:33,599 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 19:12:33,601 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:12:33,601 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:12:33,601 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:12:33,601 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:12:33,601 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:33,602 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 19:12:33,602 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:33,602 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:12:33,603 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:12:33,603 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:12:33,603 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:12:33,605 INFO L520 InvariantChecker]: The annotation(s) from entry reach_errorENTRY to error location reach_errorErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:12:33,624 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 11 edges [2024-09-21 19:12:33,625 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:12:33,625 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:12:33,626 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:12:33,626 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:12:33,626 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:33,638 INFO L101 BaseMinimizeStates]: Removed 21 edges and 8 locations by large block encoding [2024-09-21 19:12:33,639 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:33,639 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:12:33,639 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:12:33,640 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:12:33,642 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:12:33,644 INFO L520 InvariantChecker]: The annotation(s) from entry func_to_recursive_line_33_to_36_0ENTRY to error location func_to_recursive_line_33_to_36_0Err2ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:12:33,663 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-21 19:12:33,664 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:12:33,664 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:12:33,664 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:12:33,664 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:12:33,665 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:33,681 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-21 19:12:33,681 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:33,681 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:12:33,681 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:12:33,681 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:12:33,682 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:12:33,685 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:12:33,703 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 19:12:33,703 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:12:33,703 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:12:33,704 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:12:33,704 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:12:33,704 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:33,706 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 19:12:33,706 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:33,706 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:12:33,707 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:12:33,707 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:12:33,707 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:12:33,708 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:12:33,720 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 19:12:33,721 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:12:33,721 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:12:33,721 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:12:33,721 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:12:33,722 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:33,722 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 19:12:33,723 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:33,723 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:12:33,723 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:12:33,723 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:12:33,723 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:12:33,725 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:12:33,738 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 19:12:33,739 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:12:33,739 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:12:33,739 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:12:33,740 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:12:33,740 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:33,744 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 19:12:33,744 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:33,745 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:12:33,745 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:12:33,745 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:12:33,745 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:12:33,746 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location func_to_recursive_line_46_to_51_0Err0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:12:33,761 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 19:12:33,761 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:12:33,761 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:12:33,762 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:12:33,763 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:12:33,763 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:33,766 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 19:12:33,767 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:33,767 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:12:33,767 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:12:33,767 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:12:33,768 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:12:33,769 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:12:33,784 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 19:12:33,784 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:12:33,784 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:12:33,784 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:12:33,784 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:12:33,784 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:33,786 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 19:12:33,786 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:33,786 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:12:33,786 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:12:33,786 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:12:33,786 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:12:33,807 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-21 19:12:33,807 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:12:33,807 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:12:33,807 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:12:33,807 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:12:33,807 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:33,818 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-21 19:12:33,818 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:33,819 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:12:33,819 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:12:33,819 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:12:33,819 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:12:33,821 INFO L520 InvariantChecker]: The annotation(s) from entry func_to_recursive_line_33_to_36_0ENTRY to error location func_to_recursive_line_33_to_36_0Err1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:12:33,835 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-21 19:12:33,836 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:12:33,836 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:12:33,836 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:12:33,836 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:12:33,837 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:33,861 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-21 19:12:33,861 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:33,861 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:12:33,861 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:12:33,861 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:12:33,861 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:12:33,863 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:12:33,871 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-21 19:12:33,872 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@69346a76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 07:12:33, skipping insertion in model container [2024-09-21 19:12:33,872 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 19:12:33,873 INFO L158 Benchmark]: Toolchain (without parser) took 1464.42ms. Allocated memory was 176.2MB in the beginning and 237.0MB in the end (delta: 60.8MB). Free memory was 116.4MB in the beginning and 150.1MB in the end (delta: -33.6MB). Peak memory consumption was 83.6MB. Max. memory is 16.1GB. [2024-09-21 19:12:33,874 INFO L158 Benchmark]: Witness Parser took 0.20ms. Allocated memory is still 176.2MB. Free memory is still 140.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:12:33,874 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 176.2MB. Free memory is still 138.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:12:33,875 INFO L158 Benchmark]: CACSL2BoogieTranslator took 292.29ms. Allocated memory is still 176.2MB. Free memory was 116.4MB in the beginning and 101.3MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-21 19:12:33,875 INFO L158 Benchmark]: Boogie Preprocessor took 86.84ms. Allocated memory is still 176.2MB. Free memory was 101.3MB in the beginning and 98.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-21 19:12:33,876 INFO L158 Benchmark]: RCFGBuilder took 467.19ms. Allocated memory is still 176.2MB. Free memory was 98.5MB in the beginning and 77.9MB in the end (delta: 20.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-09-21 19:12:33,877 INFO L158 Benchmark]: Referee took 611.41ms. Allocated memory was 176.2MB in the beginning and 237.0MB in the end (delta: 60.8MB). Free memory was 77.9MB in the beginning and 150.1MB in the end (delta: -72.2MB). Peak memory consumption was 45.8MB. Max. memory is 16.1GB. [2024-09-21 19:12:33,879 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is not a valid proof of correctness. Annotation is not a valid proof of correctness. Annotation is not valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 36. One counterexample starts in \old(cond)=0 and ends in \old(cond)=0, cond=0. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 127. Annotation is valid for all loop-free paths from entry of procedure func_to_recursive_line_46_to_51_0 to check that procedure precondition always holds at line 53. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 131. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 126. Annotation is valid for all loop-free paths from entry of procedure main to exit of procedure main. Annotation is valid for all loop-free paths from entry of procedure func_to_recursive_line_33_to_36_0 to check that procedure precondition always holds at line 108. Annotation is valid for all loop-free paths from entry of procedure func_to_recursive_line_33_to_36_0 to exit of procedure func_to_recursive_line_33_to_36_0. Annotation is valid for all loop-free paths from entry of procedure func_to_recursive_line_38_to_43_0 to check that procedure precondition always holds at line 76. Annotation is valid for all loop-free paths from entry of procedure reach_error to exit of procedure reach_error. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 132. Annotation is valid for all loop-free paths from entry of procedure func_to_recursive_line_33_to_36_0 to check that procedure precondition always holds at line 99. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.20ms. Allocated memory is still 176.2MB. Free memory is still 140.6MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.18ms. Allocated memory is still 176.2MB. Free memory is still 138.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 292.29ms. Allocated memory is still 176.2MB. Free memory was 116.4MB in the beginning and 101.3MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 86.84ms. Allocated memory is still 176.2MB. Free memory was 101.3MB in the beginning and 98.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 467.19ms. Allocated memory is still 176.2MB. Free memory was 98.5MB in the beginning and 77.9MB in the end (delta: 20.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Referee took 611.41ms. Allocated memory was 176.2MB in the beginning and 237.0MB in the end (delta: 60.8MB). Free memory was 77.9MB in the beginning and 150.1MB in the end (delta: -72.2MB). Peak memory consumption was 45.8MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-09-21 19:12:33,917 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request...