This is Ultimate 0.2.4-tmp.dk.referee-eval-27b4987-m [2024-09-21 19:11:48,636 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 19:11:48,708 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 19:11:48,713 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 19:11:48,713 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 19:11:48,742 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 19:11:48,742 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 19:11:48,743 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 19:11:48,743 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 19:11:48,746 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 19:11:48,746 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 19:11:48,746 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 19:11:48,747 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 19:11:48,747 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 19:11:48,747 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 19:11:48,747 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 19:11:48,747 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 19:11:48,749 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 19:11:48,749 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 19:11:48,749 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 19:11:48,750 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 19:11:48,751 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 19:11:48,752 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 19:11:48,752 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 19:11:48,752 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 19:11:48,752 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 19:11:48,752 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 19:11:48,752 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 19:11:48,753 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 19:11:48,753 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 19:11:48,753 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 19:11:48,753 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 19:11:48,753 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 19:11:48,754 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:11:48,754 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 19:11:48,754 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 19:11:48,754 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 19:11:48,754 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 19:11:48,754 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 19:11:48,754 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 19:11:48,755 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 19:11:48,756 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 19:11:48,756 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 19:11:48,756 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 19:11:48,931 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 19:11:48,948 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 19:11:48,950 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 19:11:48,951 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 19:11:48,955 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 19:11:48,957 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/cpachecker-verification-files/SV-COMP24_unreach-call/Addition03-1.yml/output/witness-2.1.yml [2024-09-21 19:11:49,033 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 19:11:49,033 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 19:11:49,035 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/recursive/Addition03-1.c [2024-09-21 19:11:50,440 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 19:11:50,589 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 19:11:50,590 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursive/Addition03-1.c [2024-09-21 19:11:50,596 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/f0632e639/1f44d109ac174c35860c606b3087f55c/FLAGc76a1502d [2024-09-21 19:11:51,012 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/f0632e639/1f44d109ac174c35860c606b3087f55c [2024-09-21 19:11:51,012 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 19:11:51,015 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 19:11:51,017 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 19:11:51,017 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 19:11:51,022 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 19:11:51,023 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 07:11:49" (1/2) ... [2024-09-21 19:11:51,024 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c716e5 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:11:51, skipping insertion in model container [2024-09-21 19:11:51,024 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 07:11:49" (1/2) ... [2024-09-21 19:11:51,025 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2e5dcd35 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:11:51, skipping insertion in model container [2024-09-21 19:11:51,025 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:11:51" (2/2) ... [2024-09-21 19:11:51,025 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c716e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:11:51, skipping insertion in model container [2024-09-21 19:11:51,025 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:11:51" (2/2) ... [2024-09-21 19:11:51,033 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 19:11:51,033 INFO L1541 ArrayList]: Function contract at [L28]: requires 1, ensures 1 [2024-09-21 19:11:51,035 INFO L1541 ArrayList]: Function contract at [L3]: requires 1, ensures 1 [2024-09-21 19:11:51,036 INFO L1541 ArrayList]: Function contract at [L15]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:11:51,066 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 19:11:51,324 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/recursive/Addition03-1.c[840,853] [2024-09-21 19:11:51,332 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:11:51,348 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 19:11:51,392 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/recursive/Addition03-1.c[840,853] [2024-09-21 19:11:51,393 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:11:51,411 INFO L204 MainTranslator]: Completed translation [2024-09-21 19:11:51,412 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:11:51 WrapperNode [2024-09-21 19:11:51,412 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 19:11:51,413 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 19:11:51,415 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 19:11:51,415 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 19:11:51,434 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:11:51" (1/1) ... [2024-09-21 19:11:51,437 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:11:51" (1/1) ... [2024-09-21 19:11:51,446 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:11:51" (1/1) ... [2024-09-21 19:11:51,462 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 19:11:51,470 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:11:51" (1/1) ... [2024-09-21 19:11:51,470 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:11:51" (1/1) ... [2024-09-21 19:11:51,473 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:11:51" (1/1) ... [2024-09-21 19:11:51,474 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:11:51" (1/1) ... [2024-09-21 19:11:51,478 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:11:51" (1/1) ... [2024-09-21 19:11:51,479 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:11:51" (1/1) ... [2024-09-21 19:11:51,481 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 19:11:51,489 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 19:11:51,490 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 19:11:51,490 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 19:11:51,491 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:11:51" (1/1) ... [2024-09-21 19:11:51,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:11:51,510 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 19:11:51,537 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 19:11:51,539 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 19:11:51,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 19:11:51,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 19:11:51,592 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 19:11:51,593 INFO L138 BoogieDeclarations]: Found implementation of procedure addition [2024-09-21 19:11:51,593 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 19:11:51,593 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 19:11:51,593 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 19:11:51,593 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 19:11:51,593 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 19:11:51,593 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-21 19:11:51,594 INFO L130 BoogieDeclarations]: Found specification of procedure addition [2024-09-21 19:11:51,594 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 19:11:51,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 19:11:51,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-21 19:11:51,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 19:11:51,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-21 19:11:51,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-21 19:11:51,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 19:11:51,650 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 19:11:51,652 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 19:11:51,655 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:11:51,671 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:11:51,722 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:11:51,744 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 19:11:51,777 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 19:11:51,778 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-21 19:11:51,779 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 07:11:51 BoogieIcfgContainer [2024-09-21 19:11:51,779 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 19:11:51,780 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 19:11:51,780 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 19:11:51,781 INFO L274 PluginConnector]: Referee initialized [2024-09-21 19:11:51,781 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 07:11:49" (1/4) ... [2024-09-21 19:11:51,782 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@50f1fb87 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 07:11:51, skipping insertion in model container [2024-09-21 19:11:51,783 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 07:11:51" (2/4) ... [2024-09-21 19:11:51,783 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@50f1fb87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 07:11:51, skipping insertion in model container [2024-09-21 19:11:51,783 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:11:51" (3/4) ... [2024-09-21 19:11:51,783 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@50f1fb87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 07:11:51, skipping insertion in model container [2024-09-21 19:11:51,783 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 07:11:51" (4/4) ... [2024-09-21 19:11:51,785 INFO L79 RefereeObserver]: Analyzing ICFG Addition03-1.c [2024-09-21 19:11:51,788 INFO L113 InvariantChecker]: Found 0 loops. [2024-09-21 19:11:51,789 INFO L373 InvariantChecker]: Will check inductivity from ENTRY additionENTRY to ERROR_LOC additionErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 19:11:51,789 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-21 19:11:51,789 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 7 edges. [2024-09-21 19:11:51,790 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 19:11:51,790 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 19:11:51,790 INFO L373 InvariantChecker]: Will check inductivity from ENTRY additionENTRY to ERROR_LOC additionErr2ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 12 edges. [2024-09-21 19:11:51,790 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 5 edges. [2024-09-21 19:11:51,790 INFO L373 InvariantChecker]: Will check inductivity from ENTRY additionENTRY to ERROR_LOC additionErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 19:11:51,791 INFO L131 InvariantChecker]: Will check 8 loop-free subgraphs from procedure entry to error location [2024-09-21 19:11:51,820 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-21 19:11:51,821 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:11:51,821 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:11:51,822 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:11:51,822 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:11:51,824 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:11:51,834 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-21 19:11:51,835 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:11:51,838 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:11:51,838 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:11:51,839 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:11:51,839 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:11:51,850 INFO L520 InvariantChecker]: The annotation(s) from entry additionENTRY to error location additionErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:11:51,857 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 19:11:51,857 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:11:51,857 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:11:51,857 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:11:51,858 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:11:51,858 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:11:51,858 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 19:11:51,859 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:11:51,859 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:11:51,859 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:11:51,859 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:11:51,859 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:11:51,860 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:11:51,867 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-21 19:11:51,867 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:11:51,868 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:11:51,868 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:11:51,868 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:11:51,868 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:11:51,877 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-21 19:11:51,877 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:11:51,877 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:11:51,877 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:11:51,877 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:11:51,879 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:11:51,880 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:11:51,886 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 19:11:51,886 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:11:51,886 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:11:51,886 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:11:51,886 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:11:51,886 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:11:51,886 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 19:11:51,887 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:11:51,887 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:11:51,887 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:11:51,887 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:11:51,887 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:11:51,888 INFO L520 InvariantChecker]: The annotation(s) from entry reach_errorENTRY to error location reach_errorErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:11:51,893 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 19:11:51,893 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:11:51,894 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:11:51,894 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:11:51,894 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:11:51,894 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:11:51,894 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 19:11:51,894 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:11:51,894 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:11:51,895 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:11:51,895 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:11:51,895 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:11:51,896 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:11:51,901 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 12 edges [2024-09-21 19:11:51,901 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:11:51,901 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:11:51,901 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:11:51,902 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:11:51,902 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:11:51,907 INFO L101 BaseMinimizeStates]: Removed 22 edges and 8 locations by large block encoding [2024-09-21 19:11:51,908 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:11:51,908 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:11:51,908 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:11:51,908 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:11:51,909 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:11:51,910 INFO L520 InvariantChecker]: The annotation(s) from entry additionENTRY to error location additionErr2ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:11:51,914 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-21 19:11:51,914 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:11:51,914 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:11:51,915 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:11:51,915 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:11:51,915 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:11:51,919 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-21 19:11:51,919 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:11:51,919 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:11:51,919 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:11:51,919 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:11:51,919 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:11:51,927 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-21 19:11:51,927 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:11:51,927 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:11:51,928 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:11:51,928 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:11:51,928 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:11:51,930 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-21 19:11:51,930 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:11:51,930 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:11:51,930 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:11:51,930 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:11:51,930 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:11:51,931 INFO L520 InvariantChecker]: The annotation(s) from entry additionENTRY to error location additionErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:11:51,936 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-21 19:11:51,936 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@50f1fb87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 07:11:51, skipping insertion in model container [2024-09-21 19:11:51,936 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 19:11:51,938 INFO L158 Benchmark]: Toolchain (without parser) took 923.83ms. Allocated memory is still 169.9MB. Free memory was 98.4MB in the beginning and 97.4MB in the end (delta: 1.1MB). Peak memory consumption was 330.3kB. Max. memory is 16.1GB. [2024-09-21 19:11:51,938 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 169.9MB. Free memory was 134.3MB in the beginning and 134.2MB in the end (delta: 160.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:11:51,938 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 169.9MB. Free memory was 143.5MB in the beginning and 143.4MB in the end (delta: 167.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:11:51,939 INFO L158 Benchmark]: CACSL2BoogieTranslator took 395.48ms. Allocated memory is still 169.9MB. Free memory was 98.1MB in the beginning and 131.5MB in the end (delta: -33.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-09-21 19:11:51,939 INFO L158 Benchmark]: Boogie Preprocessor took 71.16ms. Allocated memory is still 169.9MB. Free memory was 131.5MB in the beginning and 129.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:11:51,940 INFO L158 Benchmark]: RCFGBuilder took 289.55ms. Allocated memory is still 169.9MB. Free memory was 129.9MB in the beginning and 117.7MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-21 19:11:51,940 INFO L158 Benchmark]: Referee took 156.08ms. Allocated memory is still 169.9MB. Free memory was 117.7MB in the beginning and 97.4MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-09-21 19:11:51,942 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 35. One counterexample starts in and ends in m=100, n=100, result=0. Annotation is valid for all loop-free paths from entry of procedure addition to check that procedure precondition always holds at line 23. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 31. 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 main to exit of procedure main. Annotation is valid for all loop-free paths from entry of procedure addition to exit of procedure addition. Annotation is valid for all loop-free paths from entry of procedure addition to check that procedure precondition always holds at line 20. 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 0.15ms. Allocated memory is still 169.9MB. Free memory was 134.3MB in the beginning and 134.2MB in the end (delta: 160.9kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.25ms. Allocated memory is still 169.9MB. Free memory was 143.5MB in the beginning and 143.4MB in the end (delta: 167.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 395.48ms. Allocated memory is still 169.9MB. Free memory was 98.1MB in the beginning and 131.5MB in the end (delta: -33.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.16ms. Allocated memory is still 169.9MB. Free memory was 131.5MB in the beginning and 129.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 289.55ms. Allocated memory is still 169.9MB. Free memory was 129.9MB in the beginning and 117.7MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 156.08ms. Allocated memory is still 169.9MB. Free memory was 117.7MB in the beginning and 97.4MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-09-21 19:11:51,980 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...