This is Ultimate 0.2.4-tmp.dk.referee-eval-27b4987-m [2024-09-21 19:11:54,640 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 19:11:54,724 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 19:11:54,730 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 19:11:54,730 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 19:11:54,767 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 19:11:54,767 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 19:11:54,768 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 19:11:54,769 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 19:11:54,772 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 19:11:54,773 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 19:11:54,773 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 19:11:54,773 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 19:11:54,774 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 19:11:54,774 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 19:11:54,774 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 19:11:54,774 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 19:11:54,775 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 19:11:54,775 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 19:11:54,775 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 19:11:54,775 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 19:11:54,776 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 19:11:54,776 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 19:11:54,776 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 19:11:54,777 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 19:11:54,777 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 19:11:54,777 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 19:11:54,777 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 19:11:54,778 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 19:11:54,778 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 19:11:54,778 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 19:11:54,778 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 19:11:54,779 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 19:11:54,779 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:11:54,780 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 19:11:54,780 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 19:11:54,789 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 19:11:54,790 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 19:11:54,790 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 19:11:54,790 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 19:11:54,790 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 19:11:54,791 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 19:11:54,791 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 19:11:54,791 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 19:11:55,027 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 19:11:55,051 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 19:11:55,054 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 19:11:55,055 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 19:11:55,056 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 19:11:55,057 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/cpachecker-verification-files/SV-COMP24_unreach-call/afterrec-2.yml/output/witness-2.1.yml [2024-09-21 19:11:55,100 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 19:11:55,100 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 19:11:55,101 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/recursive-simple/afterrec-2.c [2024-09-21 19:11:56,591 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 19:11:56,799 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 19:11:56,799 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursive-simple/afterrec-2.c [2024-09-21 19:11:56,805 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/08702b246/a8f9b4e5c41b438aabc666595cfa8b69/FLAG65b2a9537 [2024-09-21 19:11:56,816 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/08702b246/a8f9b4e5c41b438aabc666595cfa8b69 [2024-09-21 19:11:56,817 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 19:11:56,818 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 19:11:56,819 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 19:11:56,819 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 19:11:56,824 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 19:11:56,824 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 07:11:55" (1/2) ... [2024-09-21 19:11:56,825 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9afdbcc and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:11:56, skipping insertion in model container [2024-09-21 19:11:56,825 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 07:11:55" (1/2) ... [2024-09-21 19:11:56,827 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1661d8fa and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:11:56, skipping insertion in model container [2024-09-21 19:11:56,827 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:11:56" (2/2) ... [2024-09-21 19:11:56,827 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9afdbcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:11:56, skipping insertion in model container [2024-09-21 19:11:56,828 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:11:56" (2/2) ... [2024-09-21 19:11:56,834 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 19:11:56,835 INFO L1541 ArrayList]: Function contract at [L12]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:11:56,838 INFO L1541 ArrayList]: Function contract at [L5]: requires n == (2), ensures (!(n == (2)) || (1)) [2024-09-21 19:11:56,858 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 19:11:57,026 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-simple/afterrec-2.c[318,331] [2024-09-21 19:11:57,032 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:11:57,052 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-21 19:11:57,093 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-simple/afterrec-2.c[318,331] Start Parsing Global Start Parsing Global [2024-09-21 19:11:57,096 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:11:57,115 INFO L204 MainTranslator]: Completed translation [2024-09-21 19:11:57,115 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:11:57 WrapperNode [2024-09-21 19:11:57,116 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 19:11:57,117 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 19:11:57,117 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 19:11:57,117 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 19:11:57,130 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:11:57" (1/1) ... [2024-09-21 19:11:57,131 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:11:57" (1/1) ... [2024-09-21 19:11:57,137 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:11:57" (1/1) ... [2024-09-21 19:11:57,146 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure f is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-21 19:11:57,147 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:11:57" (1/1) ... [2024-09-21 19:11:57,147 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:11:57" (1/1) ... [2024-09-21 19:11:57,150 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:11:57" (1/1) ... [2024-09-21 19:11:57,152 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:11:57" (1/1) ... [2024-09-21 19:11:57,157 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:11:57" (1/1) ... [2024-09-21 19:11:57,158 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:11:57" (1/1) ... [2024-09-21 19:11:57,159 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 19:11:57,160 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 19:11:57,160 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 19:11:57,161 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 19:11:57,161 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:11:57" (1/1) ... [2024-09-21 19:11:57,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:11:57,177 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 19:11:57,193 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 19:11:57,196 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 19:11:57,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 19:11:57,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 19:11:57,244 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 19:11:57,244 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-09-21 19:11:57,244 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 19:11:57,246 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 19:11:57,246 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 19:11:57,246 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 19:11:57,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 19:11:57,246 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-09-21 19:11:57,246 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 19:11:57,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 19:11:57,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-21 19:11:57,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 19:11:57,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-21 19:11:57,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-21 19:11:57,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 19:11:57,313 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 19:11:57,316 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 19:11:57,375 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:11:57,400 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:11:57,405 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 19:11:57,426 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 19:11:57,426 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-21 19:11:57,427 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 07:11:57 BoogieIcfgContainer [2024-09-21 19:11:57,427 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 19:11:57,427 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 19:11:57,428 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 19:11:57,428 INFO L274 PluginConnector]: Referee initialized [2024-09-21 19:11:57,429 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 07:11:55" (1/4) ... [2024-09-21 19:11:57,429 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@49b7c406 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 07:11:57, skipping insertion in model container [2024-09-21 19:11:57,429 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 07:11:56" (2/4) ... [2024-09-21 19:11:57,430 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@49b7c406 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 07:11:57, skipping insertion in model container [2024-09-21 19:11:57,430 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:11:57" (3/4) ... [2024-09-21 19:11:57,430 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@49b7c406 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 07:11:57, skipping insertion in model container [2024-09-21 19:11:57,430 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 07:11:57" (4/4) ... [2024-09-21 19:11:57,432 INFO L79 RefereeObserver]: Analyzing ICFG afterrec-2.c [2024-09-21 19:11:57,438 INFO L113 InvariantChecker]: Found 0 loops. [2024-09-21 19:11:57,439 INFO L373 InvariantChecker]: Will check inductivity from ENTRY fENTRY to ERROR_LOC fErr2ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 6 edges. [2024-09-21 19:11:57,443 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 3 edges. [2024-09-21 19:11:57,443 INFO L373 InvariantChecker]: Will check inductivity from ENTRY fENTRY to ERROR_LOC fErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-21 19:11:57,444 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-21 19:11:57,444 INFO L373 InvariantChecker]: Will check inductivity from ENTRY fENTRY to ERROR_LOC fErr1ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 4 edges. [2024-09-21 19:11:57,444 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 19:11:57,444 INFO L131 InvariantChecker]: Will check 6 loop-free subgraphs from procedure entry to error location [2024-09-21 19:11:57,481 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 6 edges [2024-09-21 19:11:57,482 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:11:57,483 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:11:57,483 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:11:57,484 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:11:57,486 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:11:57,509 INFO L101 BaseMinimizeStates]: Removed 10 edges and 4 locations by large block encoding [2024-09-21 19:11:57,510 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:11:57,510 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:11:57,510 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:11:57,511 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:11:57,514 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:11:57,532 INFO L520 InvariantChecker]: The annotation(s) from entry fENTRY to error location fErr2ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:11:57,541 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 19:11:57,541 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:11:57,542 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:11:57,542 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:11:57,542 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:11:57,542 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:11:57,543 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 19:11:57,544 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:11:57,544 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:11:57,545 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:11:57,545 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:11:57,545 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:11:57,547 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:11:57,558 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 19:11:57,558 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:11:57,558 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:11:57,558 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:11:57,558 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:11:57,559 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:11:57,566 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 19:11:57,569 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:11:57,570 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:11:57,570 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:11:57,570 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:11:57,570 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:11:57,572 INFO L520 InvariantChecker]: The annotation(s) from entry fENTRY to error location fErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:11:57,578 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 19:11:57,578 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:11:57,578 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:11:57,578 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:11:57,579 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:11:57,579 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:11:57,579 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 19:11:57,579 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:11:57,580 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:11:57,580 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:11:57,580 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:11:57,580 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:11:57,582 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:11:57,587 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-21 19:11:57,587 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:11:57,588 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:11:57,588 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:11:57,588 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:11:57,588 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:11:57,597 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-21 19:11:57,598 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:11:57,598 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:11:57,598 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:11:57,598 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:11:57,598 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:11:57,601 INFO L520 InvariantChecker]: The annotation(s) from entry fENTRY to error location fErr1ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-21 19:11:57,606 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 19:11:57,606 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:11:57,606 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:11:57,606 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:11:57,606 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:11:57,606 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:11:57,607 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 19:11:57,607 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:11:57,607 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:11:57,607 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:11:57,607 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:11:57,608 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:11:57,609 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:11:57,612 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-21 19:11:57,613 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@49b7c406 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 07:11:57, skipping insertion in model container [2024-09-21 19:11:57,613 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 19:11:57,615 INFO L158 Benchmark]: Toolchain (without parser) took 796.25ms. Allocated memory is still 165.7MB. Free memory was 111.1MB in the beginning and 74.6MB in the end (delta: 36.6MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-09-21 19:11:57,615 INFO L158 Benchmark]: Witness Parser took 0.20ms. Allocated memory is still 165.7MB. Free memory was 135.3MB in the beginning and 135.0MB in the end (delta: 318.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:11:57,616 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 165.7MB. Free memory is still 133.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:11:57,616 INFO L158 Benchmark]: CACSL2BoogieTranslator took 297.20ms. Allocated memory is still 165.7MB. Free memory was 111.1MB in the beginning and 98.6MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-21 19:11:57,617 INFO L158 Benchmark]: Boogie Preprocessor took 42.73ms. Allocated memory is still 165.7MB. Free memory was 98.6MB in the beginning and 96.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-21 19:11:57,618 INFO L158 Benchmark]: RCFGBuilder took 266.66ms. Allocated memory is still 165.7MB. Free memory was 96.4MB in the beginning and 85.6MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-21 19:11:57,619 INFO L158 Benchmark]: Referee took 185.75ms. Allocated memory is still 165.7MB. Free memory was 85.6MB in the beginning and 74.6MB in the end (delta: 11.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-21 19:11:57,623 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness. Annotation is a valid proof of correctness. 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 exit of procedure main. Annotation is valid for all loop-free paths from entry of procedure f to exit of procedure f. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 12. Annotation is valid for all loop-free paths from entry of procedure f to check that procedure precondition always holds at line 8. Annotation is valid for all loop-free paths from entry of procedure f to check that a call to reach_error is unreachable at line 9. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.20ms. Allocated memory is still 165.7MB. Free memory was 135.3MB in the beginning and 135.0MB in the end (delta: 318.8kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.18ms. Allocated memory is still 165.7MB. Free memory is still 133.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 297.20ms. Allocated memory is still 165.7MB. Free memory was 111.1MB in the beginning and 98.6MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.73ms. Allocated memory is still 165.7MB. Free memory was 98.6MB in the beginning and 96.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 266.66ms. Allocated memory is still 165.7MB. Free memory was 96.4MB in the beginning and 85.6MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 185.75ms. Allocated memory is still 165.7MB. Free memory was 85.6MB in the beginning and 74.6MB in the end (delta: 11.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-21 19:11:57,647 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...