This is Ultimate 0.2.4-tmp.dk.referee-eval-27b4987-m [2024-09-21 19:12:24,753 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 19:12:24,825 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 19:12:24,832 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 19:12:24,833 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 19:12:24,889 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 19:12:24,890 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 19:12:24,890 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 19:12:24,891 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 19:12:24,891 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 19:12:24,892 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 19:12:24,892 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 19:12:24,893 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 19:12:24,894 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 19:12:24,896 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 19:12:24,897 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 19:12:24,897 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 19:12:24,898 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 19:12:24,898 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 19:12:24,898 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 19:12:24,898 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 19:12:24,904 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 19:12:24,904 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 19:12:24,904 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 19:12:24,905 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 19:12:24,905 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 19:12:24,905 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 19:12:24,905 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 19:12:24,905 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 19:12:24,906 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 19:12:24,906 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 19:12:24,906 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 19:12:24,906 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 19:12:24,906 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:12:24,907 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 19:12:24,907 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 19:12:24,908 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 19:12:24,908 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 19:12:24,909 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 19:12:24,909 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 19:12:24,909 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 19:12:24,909 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 19:12:24,910 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 19:12:24,910 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 19:12:25,147 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 19:12:25,175 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 19:12:25,180 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 19:12:25,181 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 19:12:25,182 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 19:12:25,183 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/cpachecker-verification-files/SV-COMP24_unreach-call/recursified_nested_3.yml/output/witness-2.1.yml [2024-09-21 19:12:25,240 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 19:12:25,242 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 19:12:25,243 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/recursified_loop-simple/recursified_nested_3.c [2024-09-21 19:12:26,680 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 19:12:26,846 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 19:12:26,846 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-simple/recursified_nested_3.c [2024-09-21 19:12:26,853 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/2c13a1bfd/be1cfec47bba43b88237c04c81769c5e/FLAGd40a8312f [2024-09-21 19:12:26,866 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/2c13a1bfd/be1cfec47bba43b88237c04c81769c5e [2024-09-21 19:12:26,866 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 19:12:26,867 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 19:12:26,868 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 19:12:26,868 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 19:12:26,872 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 19:12:26,872 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 19:12:26,873 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13ccce98 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:12:26, skipping insertion in model container [2024-09-21 19:12:26,873 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 19:12:26,875 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@352a779a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:12:26, skipping insertion in model container [2024-09-21 19:12:26,875 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:12:26" (2/2) ... [2024-09-21 19:12:26,875 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13ccce98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:12:26, skipping insertion in model container [2024-09-21 19:12:26,875 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:12:26" (2/2) ... [2024-09-21 19:12:26,883 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 19:12:26,884 INFO L1541 ArrayList]: Function contract at [L79]: requires 1, ensures 1 [2024-09-21 19:12:26,884 INFO L1541 ArrayList]: Function contract at [L59]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:12:26,884 INFO L1541 ArrayList]: Function contract at [L18]: requires 1, ensures 1 [2024-09-21 19:12:26,904 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 19:12:27,059 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_3.c[1963,1976] [2024-09-21 19:12:27,063 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:12:27,073 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 19:12:27,108 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_3.c[1963,1976] [2024-09-21 19:12:27,110 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:12:27,128 INFO L204 MainTranslator]: Completed translation [2024-09-21 19:12:27,129 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:12:27 WrapperNode [2024-09-21 19:12:27,129 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 19:12:27,130 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 19:12:27,130 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 19:12:27,130 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 19:12:27,147 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:12:27" (1/1) ... [2024-09-21 19:12:27,148 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:12:27" (1/1) ... [2024-09-21 19:12:27,156 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:12:27" (1/1) ... [2024-09-21 19:12:27,173 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 19:12:27,173 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:12:27" (1/1) ... [2024-09-21 19:12:27,174 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:12:27" (1/1) ... [2024-09-21 19:12:27,183 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:12:27" (1/1) ... [2024-09-21 19:12:27,188 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:12:27" (1/1) ... [2024-09-21 19:12:27,189 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:12:27" (1/1) ... [2024-09-21 19:12:27,190 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:12:27" (1/1) ... [2024-09-21 19:12:27,193 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 19:12:27,195 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 19:12:27,195 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 19:12:27,195 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 19:12:27,196 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:12:27" (1/1) ... [2024-09-21 19:12:27,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:12:27,211 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 19:12:27,227 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 19:12:27,233 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 19:12:27,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 19:12:27,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 19:12:27,276 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 19:12:27,276 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_23_to_23_0 [2024-09-21 19:12:27,278 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_22_to_23_0 [2024-09-21 19:12:27,278 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_21_to_22_0 [2024-09-21 19:12:27,278 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 19:12:27,278 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 19:12:27,278 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 19:12:27,279 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 19:12:27,279 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_23_to_23_0 [2024-09-21 19:12:27,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-21 19:12:27,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-21 19:12:27,279 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_22_to_23_0 [2024-09-21 19:12:27,279 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_21_to_22_0 [2024-09-21 19:12:27,279 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 19:12:27,279 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-09-21 19:12:27,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-21 19:12:27,280 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 19:12:27,280 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 19:12:27,280 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 19:12:27,364 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 19:12:27,368 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 19:12:27,374 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:12:27,398 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:12:27,538 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:12:27,573 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 19:12:27,622 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 19:12:27,624 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-21 19:12:27,624 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 07:12:27 BoogieIcfgContainer [2024-09-21 19:12:27,625 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 19:12:27,625 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 19:12:27,626 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 19:12:27,627 INFO L274 PluginConnector]: Referee initialized [2024-09-21 19:12:27,627 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 19:12:27,629 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3bf0e622 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 07:12:27, skipping insertion in model container [2024-09-21 19:12:27,629 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 07:12:26" (2/4) ... [2024-09-21 19:12:27,629 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3bf0e622 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 07:12:27, skipping insertion in model container [2024-09-21 19:12:27,629 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:12:27" (3/4) ... [2024-09-21 19:12:27,630 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3bf0e622 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 07:12:27, skipping insertion in model container [2024-09-21 19:12:27,630 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 07:12:27" (4/4) ... [2024-09-21 19:12:27,631 INFO L79 RefereeObserver]: Analyzing ICFG recursified_nested_3.c [2024-09-21 19:12:27,636 INFO L113 InvariantChecker]: Found 0 loops. [2024-09-21 19:12:27,636 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-21 19:12:27,637 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 13 edges. [2024-09-21 19:12:27,637 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 19:12:27,637 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 19:12:27,637 INFO L373 InvariantChecker]: Will check inductivity from ENTRY func_to_recursive_line_21_to_22_0ENTRY to ERROR_LOC func_to_recursive_line_21_to_22_0Err1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 7 edges. [2024-09-21 19:12:27,638 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 10 edges. [2024-09-21 19:12:27,638 INFO L373 InvariantChecker]: Will check inductivity from ENTRY func_to_recursive_line_21_to_22_0ENTRY to ERROR_LOC func_to_recursive_line_21_to_22_0Err0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 19:12:27,638 INFO L131 InvariantChecker]: Will check 7 loop-free subgraphs from procedure entry to error location [2024-09-21 19:12:27,694 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 19:12:27,697 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:12:27,698 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:12:27,698 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:12:27,699 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:12:27,701 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:27,712 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 19:12:27,716 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:27,716 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:12:27,717 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:12:27,717 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:12:27,718 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:12:27,741 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:12:27,756 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 13 edges [2024-09-21 19:12:27,757 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:12:27,757 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:12:27,757 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:12:27,757 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:12:27,757 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:27,893 INFO L101 BaseMinimizeStates]: Removed 43 edges and 9 locations by large block encoding [2024-09-21 19:12:27,893 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:27,894 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:12:27,894 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:12:27,894 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:12:27,902 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:12:27,912 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:12:27,926 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 19:12:27,926 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:12:27,927 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:12:27,927 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:12:27,927 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:12:27,927 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:27,928 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 19:12:27,928 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:27,930 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:12:27,932 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:12:27,932 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:12:27,932 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:12:27,934 INFO L520 InvariantChecker]: The annotation(s) from entry reach_errorENTRY to error location reach_errorErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:12:27,947 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 19:12:27,948 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:12:27,948 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:12:27,949 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:12:27,949 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:12:27,949 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:27,949 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 19:12:27,950 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:27,950 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:12:27,951 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:12:27,951 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:12:27,951 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:12:27,953 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:12:27,966 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-21 19:12:27,966 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:12:27,966 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:12:27,966 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:12:27,966 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:12:27,966 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:27,973 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-21 19:12:27,974 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:27,974 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:12:27,974 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:12:27,974 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:12:27,975 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:12:27,977 INFO L520 InvariantChecker]: The annotation(s) from entry func_to_recursive_line_21_to_22_0ENTRY to error location func_to_recursive_line_21_to_22_0Err1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:12:27,990 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-21 19:12:27,990 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:12:27,990 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:12:27,991 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:12:27,991 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:12:27,991 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:28,106 INFO L101 BaseMinimizeStates]: Removed 24 edges and 7 locations by large block encoding [2024-09-21 19:12:28,107 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:28,107 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:12:28,107 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:12:28,107 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:12:28,132 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:12:28,174 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-21 19:12:28,175 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:12:28,175 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:12:28,175 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:12:28,176 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:12:28,176 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:28,180 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-21 19:12:28,183 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:12:28,183 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:12:28,183 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:12:28,183 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:12:28,184 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:12:28,185 INFO L520 InvariantChecker]: The annotation(s) from entry func_to_recursive_line_21_to_22_0ENTRY to error location func_to_recursive_line_21_to_22_0Err0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:12:28,197 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-21 19:12:28,197 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3bf0e622 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 07:12:28, skipping insertion in model container [2024-09-21 19:12:28,198 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 19:12:28,200 INFO L158 Benchmark]: Toolchain (without parser) took 1331.93ms. Allocated memory is still 176.2MB. Free memory was 119.8MB in the beginning and 133.6MB in the end (delta: -13.8MB). Peak memory consumption was 76.5MB. Max. memory is 16.1GB. [2024-09-21 19:12:28,200 INFO L158 Benchmark]: Witness Parser took 0.48ms. Allocated memory is still 176.2MB. Free memory is still 142.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:12:28,202 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 176.2MB. Free memory is still 140.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:12:28,203 INFO L158 Benchmark]: CACSL2BoogieTranslator took 261.69ms. Allocated memory is still 176.2MB. Free memory was 119.8MB in the beginning and 105.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-21 19:12:28,203 INFO L158 Benchmark]: Boogie Preprocessor took 62.68ms. Allocated memory is still 176.2MB. Free memory was 105.1MB in the beginning and 103.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-21 19:12:28,204 INFO L158 Benchmark]: RCFGBuilder took 430.08ms. Allocated memory is still 176.2MB. Free memory was 103.0MB in the beginning and 87.6MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-21 19:12:28,205 INFO L158 Benchmark]: Referee took 572.80ms. Allocated memory is still 176.2MB. Free memory was 87.6MB in the beginning and 133.6MB in the end (delta: -45.9MB). Peak memory consumption was 42.9MB. Max. memory is 16.1GB. [2024-09-21 19:12:28,209 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 90. One counterexample starts in and ends in a={-1:0}, b={28882:0}, c={28883:0}. 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 ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 86. Annotation is valid for all loop-free paths from entry of procedure func_to_recursive_line_21_to_22_0 to check that procedure precondition always holds at line 72. 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_21_to_22_0 to exit of procedure func_to_recursive_line_21_to_22_0. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.48ms. Allocated memory is still 176.2MB. Free memory is still 142.7MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.20ms. Allocated memory is still 176.2MB. Free memory is still 140.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 261.69ms. Allocated memory is still 176.2MB. Free memory was 119.8MB in the beginning and 105.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.68ms. Allocated memory is still 176.2MB. Free memory was 105.1MB in the beginning and 103.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 430.08ms. Allocated memory is still 176.2MB. Free memory was 103.0MB in the beginning and 87.6MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 572.80ms. Allocated memory is still 176.2MB. Free memory was 87.6MB in the beginning and 133.6MB in the end (delta: -45.9MB). Peak memory consumption was 42.9MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-09-21 19:12:28,248 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...