This is Ultimate 0.2.4-tmp.dk.referee-eval-27b4987-m [2024-09-21 19:12:25,205 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 19:12:25,277 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 19:12:25,283 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 19:12:25,284 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 19:12:25,317 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 19:12:25,317 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 19:12:25,318 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 19:12:25,318 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 19:12:25,319 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 19:12:25,319 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 19:12:25,320 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 19:12:25,321 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 19:12:25,323 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 19:12:25,323 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 19:12:25,323 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 19:12:25,324 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 19:12:25,324 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 19:12:25,324 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 19:12:25,325 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 19:12:25,325 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 19:12:25,326 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 19:12:25,327 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 19:12:25,327 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 19:12:25,327 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 19:12:25,328 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 19:12:25,328 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 19:12:25,328 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 19:12:25,329 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 19:12:25,329 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 19:12:25,329 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 19:12:25,330 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 19:12:25,330 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 19:12:25,330 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:12:25,331 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 19:12:25,331 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 19:12:25,331 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 19:12:25,332 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 19:12:25,332 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 19:12:25,332 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 19:12:25,332 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 19:12:25,333 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 19:12:25,333 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 19:12:25,334 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 19:12:25,579 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 19:12:25,601 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 19:12:25,604 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 19:12:25,605 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 19:12:25,606 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 19:12:25,607 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/cpachecker-verification-files/SV-COMP24_unreach-call/recursified_nested_4.yml/output/witness-2.1.yml [2024-09-21 19:12:25,695 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 19:12:25,696 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 19:12:25,698 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/recursified_loop-simple/recursified_nested_4.c [2024-09-21 19:12:27,178 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 19:12:27,382 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 19:12:27,383 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-simple/recursified_nested_4.c [2024-09-21 19:12:27,391 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/04590bce3/c1d26fd35326488f8505b0868c7cd30a/FLAG8cae4022f [2024-09-21 19:12:27,751 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/04590bce3/c1d26fd35326488f8505b0868c7cd30a [2024-09-21 19:12:27,752 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 19:12:27,753 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 19:12:27,754 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 19:12:27,754 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 19:12:27,760 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 19:12:27,761 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 07:12:25" (1/2) ... [2024-09-21 19:12:27,761 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@578ac86f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:12:27, skipping insertion in model container [2024-09-21 19:12:27,762 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 07:12:25" (1/2) ... [2024-09-21 19:12:27,764 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@e528d67 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:12:27, skipping insertion in model container [2024-09-21 19:12:27,765 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:12:27" (2/2) ... [2024-09-21 19:12:27,765 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@578ac86f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:12:27, skipping insertion in model container [2024-09-21 19:12:27,765 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:12:27" (2/2) ... [2024-09-21 19:12:27,774 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 19:12:27,775 INFO L1541 ArrayList]: Function contract at [L18]: requires 1, ensures 1 [2024-09-21 19:12:27,775 INFO L1541 ArrayList]: Function contract at [L99]: requires 1, ensures 1 [2024-09-21 19:12:27,775 INFO L1541 ArrayList]: Function contract at [L79]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:12:27,796 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 19:12:27,982 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_loop-simple/recursified_nested_4.c[2333,2346] [2024-09-21 19:12:27,986 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:12:28,003 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 19:12:28,064 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_loop-simple/recursified_nested_4.c[2333,2346] [2024-09-21 19:12:28,065 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:12:28,081 INFO L204 MainTranslator]: Completed translation [2024-09-21 19:12:28,082 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:12:28 WrapperNode [2024-09-21 19:12:28,082 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 19:12:28,083 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 19:12:28,084 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 19:12:28,084 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 19:12:28,095 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:12:28" (1/1) ... [2024-09-21 19:12:28,095 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:12:28" (1/1) ... [2024-09-21 19:12:28,101 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:12:28" (1/1) ... [2024-09-21 19:12:28,116 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 19:12:28,117 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:12:28" (1/1) ... [2024-09-21 19:12:28,117 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:12:28" (1/1) ... [2024-09-21 19:12:28,123 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:12:28" (1/1) ... [2024-09-21 19:12:28,128 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:12:28" (1/1) ... [2024-09-21 19:12:28,130 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:12:28" (1/1) ... [2024-09-21 19:12:28,130 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:12:28" (1/1) ... [2024-09-21 19:12:28,134 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 19:12:28,137 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 19:12:28,138 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 19:12:28,138 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 19:12:28,139 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:12:28" (1/1) ... [2024-09-21 19:12:28,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:12:28,151 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 19:12:28,169 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 19:12:28,174 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 19:12:28,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 19:12:28,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 19:12:28,221 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 19:12:28,221 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_25_to_25_0 [2024-09-21 19:12:28,221 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_24_to_25_0 [2024-09-21 19:12:28,221 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_23_to_24_0 [2024-09-21 19:12:28,221 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_22_to_23_0 [2024-09-21 19:12:28,222 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 19:12:28,222 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 19:12:28,222 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 19:12:28,222 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 19:12:28,222 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_25_to_25_0 [2024-09-21 19:12:28,222 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-21 19:12:28,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-21 19:12:28,223 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_24_to_25_0 [2024-09-21 19:12:28,223 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_23_to_24_0 [2024-09-21 19:12:28,223 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_22_to_23_0 [2024-09-21 19:12:28,223 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 19:12:28,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-09-21 19:12:28,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-21 19:12:28,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 19:12:28,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 19:12:28,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 19:12:28,299 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 19:12:28,302 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 19:12:28,306 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:12:28,328 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:12:28,495 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:12:28,550 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 19:12:28,598 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 19:12:28,599 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-21 19:12:28,599 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 07:12:28 BoogieIcfgContainer [2024-09-21 19:12:28,600 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 19:12:28,600 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 19:12:28,601 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 19:12:28,602 INFO L274 PluginConnector]: Referee initialized [2024-09-21 19:12:28,602 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 07:12:25" (1/4) ... [2024-09-21 19:12:28,602 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@21bde9d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 07:12:28, skipping insertion in model container [2024-09-21 19:12:28,603 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 07:12:27" (2/4) ... [2024-09-21 19:12:28,603 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@21bde9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 07:12:28, skipping insertion in model container [2024-09-21 19:12:28,603 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:12:28" (3/4) ... [2024-09-21 19:12:28,603 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@21bde9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 07:12:28, skipping insertion in model container [2024-09-21 19:12:28,604 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 07:12:28" (4/4) ... [2024-09-21 19:12:28,605 INFO L79 RefereeObserver]: Analyzing ICFG recursified_nested_4.c [2024-09-21 19:12:28,609 INFO L113 InvariantChecker]: Found 0 loops. [2024-09-21 19:12:28,612 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-21 19:12:28,613 INFO L373 InvariantChecker]: Will check inductivity from ENTRY func_to_recursive_line_22_to_23_0ENTRY to ERROR_LOC func_to_recursive_line_22_to_23_0Err1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 7 edges. [2024-09-21 19:12:28,613 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 16 edges. [2024-09-21 19:12:28,614 INFO L373 InvariantChecker]: Will check inductivity from ENTRY func_to_recursive_line_22_to_23_0ENTRY to ERROR_LOC func_to_recursive_line_22_to_23_0Err0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 19:12:28,614 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 19:12:28,614 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 19:12:28,614 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 13 edges. [2024-09-21 19:12:28,615 INFO L131 InvariantChecker]: Will check 7 loop-free subgraphs from procedure entry to error location [2024-09-21 19:12:28,662 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 19:12:28,663 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:12:28,663 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:12:28,664 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:12:28,665 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:12:28,669 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:28,684 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 19:12:28,685 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:28,685 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:12:28,686 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:12:28,686 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:12:28,687 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:12:28,703 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:12:28,723 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-21 19:12:28,724 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:12:28,724 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:12:28,724 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:12:28,724 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:12:28,724 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:28,737 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-21 19:12:28,738 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:28,738 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:12:28,738 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:12:28,739 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:12:28,744 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:12:28,746 INFO L520 InvariantChecker]: The annotation(s) from entry func_to_recursive_line_22_to_23_0ENTRY to error location func_to_recursive_line_22_to_23_0Err1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:12:28,772 INFO L314 BlockEncoder]: Initial Icfg 13 locations, 16 edges [2024-09-21 19:12:28,773 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:12:28,774 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:12:28,774 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:12:28,774 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:12:28,774 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:28,995 INFO L101 BaseMinimizeStates]: Removed 71 edges and 11 locations by large block encoding [2024-09-21 19:12:28,996 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:28,996 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:12:28,997 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:12:28,997 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:12:29,002 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:12:29,004 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:12:29,016 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-21 19:12:29,018 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:12:29,018 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:12:29,018 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:12:29,018 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:12:29,018 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:29,026 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-21 19:12:29,026 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:29,026 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:12:29,027 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:12:29,027 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:12:29,027 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:12:29,029 INFO L520 InvariantChecker]: The annotation(s) from entry func_to_recursive_line_22_to_23_0ENTRY to error location func_to_recursive_line_22_to_23_0Err0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:12:29,040 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 19:12:29,040 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:12:29,041 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:12:29,041 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:12:29,041 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:12:29,041 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:29,042 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 19:12:29,042 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:29,042 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:12:29,043 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:12:29,043 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:12:29,043 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:12:29,045 INFO L520 InvariantChecker]: The annotation(s) from entry reach_errorENTRY to error location reach_errorErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:12:29,053 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 19:12:29,054 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:12:29,054 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:12:29,054 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:12:29,054 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:12:29,054 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:29,055 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 19:12:29,055 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:29,055 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:12:29,055 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:12:29,055 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:12:29,055 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:12:29,057 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:12:29,072 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 13 edges [2024-09-21 19:12:29,072 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:12:29,072 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:12:29,073 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:12:29,073 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:12:29,074 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:29,252 INFO L101 BaseMinimizeStates]: Removed 43 edges and 9 locations by large block encoding [2024-09-21 19:12:29,253 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:29,253 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:12:29,253 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:12:29,253 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:12:29,275 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:12:29,318 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-21 19:12:29,319 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@21bde9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 07:12:29, skipping insertion in model container [2024-09-21 19:12:29,319 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 19:12:29,321 INFO L158 Benchmark]: Toolchain (without parser) took 1567.40ms. Allocated memory was 142.6MB in the beginning and 182.5MB in the end (delta: 39.8MB). Free memory was 69.3MB in the beginning and 122.8MB in the end (delta: -53.5MB). Peak memory consumption was 61.0MB. Max. memory is 16.1GB. [2024-09-21 19:12:29,321 INFO L158 Benchmark]: Witness Parser took 0.19ms. Allocated memory is still 142.6MB. Free memory is still 92.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:12:29,322 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 142.6MB. Free memory is still 114.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:12:29,323 INFO L158 Benchmark]: CACSL2BoogieTranslator took 328.49ms. Allocated memory was 142.6MB in the beginning and 182.5MB in the end (delta: 39.8MB). Free memory was 69.1MB in the beginning and 149.4MB in the end (delta: -80.4MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. [2024-09-21 19:12:29,324 INFO L158 Benchmark]: Boogie Preprocessor took 53.35ms. Allocated memory is still 182.5MB. Free memory was 149.4MB in the beginning and 146.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-21 19:12:29,324 INFO L158 Benchmark]: RCFGBuilder took 462.50ms. Allocated memory is still 182.5MB. Free memory was 146.3MB in the beginning and 128.5MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-21 19:12:29,326 INFO L158 Benchmark]: Referee took 718.65ms. Allocated memory is still 182.5MB. Free memory was 128.5MB in the beginning and 122.8MB in the end (delta: 5.6MB). Peak memory consumption was 79.7MB. Max. memory is 16.1GB. [2024-09-21 19:12:29,328 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 main to check that a call to reach_error is unreachable at line 111. One counterexample starts in and ends in a={-1:0}, b={28225:0}, c={28224:0}, d={28226:0}. 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 main to check that procedure precondition always holds at line 107. 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 func_to_recursive_line_22_to_23_0 to exit of procedure func_to_recursive_line_22_to_23_0. Annotation is valid for all loop-free paths from entry of procedure func_to_recursive_line_22_to_23_0 to check that procedure precondition always holds at line 92. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.19ms. Allocated memory is still 142.6MB. Free memory is still 92.9MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.21ms. Allocated memory is still 142.6MB. Free memory is still 114.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 328.49ms. Allocated memory was 142.6MB in the beginning and 182.5MB in the end (delta: 39.8MB). Free memory was 69.1MB in the beginning and 149.4MB in the end (delta: -80.4MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.35ms. Allocated memory is still 182.5MB. Free memory was 149.4MB in the beginning and 146.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 462.50ms. Allocated memory is still 182.5MB. Free memory was 146.3MB in the beginning and 128.5MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 718.65ms. Allocated memory is still 182.5MB. Free memory was 128.5MB in the beginning and 122.8MB in the end (delta: 5.6MB). Peak memory consumption was 79.7MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-09-21 19:12:29,366 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...