This is Ultimate 0.2.4-tmp.dk.referee-eval-ca4ee3d-m [2024-09-20 20:12:50,570 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 20:12:50,639 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-20 20:12:50,644 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 20:12:50,646 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 20:12:50,672 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 20:12:50,673 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 20:12:50,673 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 20:12:50,674 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 20:12:50,675 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 20:12:50,676 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 20:12:50,676 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 20:12:50,677 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 20:12:50,679 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 20:12:50,679 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 20:12:50,679 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 20:12:50,680 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 20:12:50,680 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 20:12:50,680 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-20 20:12:50,680 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 20:12:50,681 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 20:12:50,684 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 20:12:50,684 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 20:12:50,684 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 20:12:50,684 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 20:12:50,685 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 20:12:50,685 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 20:12:50,685 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 20:12:50,685 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 20:12:50,686 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 20:12:50,686 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 20:12:50,686 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 20:12:50,686 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 20:12:50,686 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:12:50,687 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 20:12:50,687 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 20:12:50,688 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 20:12:50,688 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-20 20:12:50,689 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-20 20:12:50,689 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 20:12:50,689 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 20:12:50,690 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 20:12:50,690 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 20:12:50,691 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 20:12:50,934 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 20:12:50,961 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 20:12:50,964 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 20:12:50,965 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 20:12:50,966 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 20:12:50,968 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/id_b2_o3.yml/witness-2.1.yml [2024-09-20 20:12:51,050 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 20:12:51,052 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 20:12:51,052 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/recursive-simple/id_b2_o3.c [2024-09-20 20:12:52,415 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 20:12:52,583 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 20:12:52,584 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursive-simple/id_b2_o3.c [2024-09-20 20:12:52,589 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/c5c35303e/5dcbc989943e44848618bb36a6c1de1f/FLAGd376d8912 [2024-09-20 20:12:52,988 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/c5c35303e/5dcbc989943e44848618bb36a6c1de1f [2024-09-20 20:12:52,988 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 20:12:52,990 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 20:12:52,991 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 20:12:52,991 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 20:12:52,996 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 20:12:52,996 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:12:51" (1/2) ... [2024-09-20 20:12:52,997 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@453f0be2 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:12:52, skipping insertion in model container [2024-09-20 20:12:52,997 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:12:51" (1/2) ... [2024-09-20 20:12:52,999 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@404f55e5 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:12:52, skipping insertion in model container [2024-09-20 20:12:52,999 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:12:52" (2/2) ... [2024-09-20 20:12:52,999 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@453f0be2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:12:52, skipping insertion in model container [2024-09-20 20:12:52,999 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:12:52" (2/2) ... [2024-09-20 20:12:53,005 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 20:12:53,006 INFO L1541 ArrayList]: Function contract at [L6]: requires null, ensures (\result < 3) [2024-09-20 20:12:53,020 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 20:12:53,198 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/id_b2_o3.c[568,581] [2024-09-20 20:12:53,206 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:12:53,222 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global [2024-09-20 20:12:53,263 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/id_b2_o3.c[568,581] [2024-09-20 20:12:53,264 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:12:53,277 INFO L204 MainTranslator]: Completed translation [2024-09-20 20:12:53,278 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:12:53 WrapperNode [2024-09-20 20:12:53,278 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 20:12:53,279 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 20:12:53,279 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 20:12:53,279 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 20:12:53,310 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:12:53" (1/1) ... [2024-09-20 20:12:53,313 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:12:53" (1/1) ... [2024-09-20 20:12:53,319 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:12:53" (1/1) ... [2024-09-20 20:12:53,328 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure id is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-20 20:12:53,328 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:12:53" (1/1) ... [2024-09-20 20:12:53,328 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:12:53" (1/1) ... [2024-09-20 20:12:53,335 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:12:53" (1/1) ... [2024-09-20 20:12:53,336 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:12:53" (1/1) ... [2024-09-20 20:12:53,340 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:12:53" (1/1) ... [2024-09-20 20:12:53,341 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:12:53" (1/1) ... [2024-09-20 20:12:53,342 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 20:12:53,344 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 20:12:53,344 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 20:12:53,344 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 20:12:53,345 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:12:53" (1/1) ... [2024-09-20 20:12:53,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:12:53,375 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 20:12:53,399 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) [2024-09-20 20:12:53,405 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 [2024-09-20 20:12:53,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 20:12:53,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 20:12:53,445 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 20:12:53,445 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2024-09-20 20:12:53,446 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 20:12:53,447 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-20 20:12:53,447 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 20:12:53,448 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 20:12:53,448 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 20:12:53,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 20:12:53,448 INFO L130 BoogieDeclarations]: Found specification of procedure id [2024-09-20 20:12:53,448 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 20:12:53,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 20:12:53,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-20 20:12:53,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 20:12:53,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-20 20:12:53,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-20 20:12:53,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 20:12:53,515 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 20:12:53,517 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 20:12:53,634 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 20:12:53,660 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 20:12:53,661 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-20 20:12:53,662 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:12:53 BoogieIcfgContainer [2024-09-20 20:12:53,662 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 20:12:53,664 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 20:12:53,664 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 20:12:53,665 INFO L274 PluginConnector]: Referee initialized [2024-09-20 20:12:53,665 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:12:51" (1/4) ... [2024-09-20 20:12:53,666 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@88e3a17 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 08:12:53, skipping insertion in model container [2024-09-20 20:12:53,667 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 08:12:52" (2/4) ... [2024-09-20 20:12:53,667 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@88e3a17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:12:53, skipping insertion in model container [2024-09-20 20:12:53,667 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:12:53" (3/4) ... [2024-09-20 20:12:53,668 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@88e3a17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:12:53, skipping insertion in model container [2024-09-20 20:12:53,668 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:12:53" (4/4) ... [2024-09-20 20:12:53,670 INFO L79 RefereeObserver]: Analyzing ICFG id_b2_o3.c [2024-09-20 20:12:53,674 INFO L113 InvariantChecker]: Found 0 loops. [2024-09-20 20:12:53,675 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 5 edges. [2024-09-20 20:12:53,676 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC idErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 8 edges. [2024-09-20 20:12:53,676 INFO L131 InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry to error location [2024-09-20 20:12:53,721 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-20 20:12:53,722 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:12:53,723 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:12:53,723 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:12:53,725 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:12:53,728 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:12:53,746 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-20 20:12:53,750 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:12:53,750 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:12:53,750 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:12:53,751 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:12:53,752 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:12:53,772 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location mainErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 20:12:53,786 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-20 20:12:53,786 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:12:53,786 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:12:53,786 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:12:53,787 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:12:53,787 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:12:53,813 INFO L101 BaseMinimizeStates]: Removed 15 edges and 5 locations by large block encoding [2024-09-20 20:12:53,814 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:12:53,817 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:12:53,817 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:12:53,818 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:12:53,830 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:12:53,837 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location idErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:12:53,840 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-20 20:12:53,841 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@88e3a17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 08:12:53, skipping insertion in model container [2024-09-20 20:12:53,841 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 20:12:53,845 INFO L158 Benchmark]: Toolchain (without parser) took 853.78ms. Allocated memory was 151.0MB in the beginning and 192.9MB in the end (delta: 41.9MB). Free memory was 74.5MB in the beginning and 144.2MB in the end (delta: -69.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:12:53,846 INFO L158 Benchmark]: Witness Parser took 0.40ms. Allocated memory is still 151.0MB. Free memory was 99.3MB in the beginning and 99.2MB in the end (delta: 159.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:12:53,846 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 151.0MB. Free memory is still 120.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:12:53,847 INFO L158 Benchmark]: CACSL2BoogieTranslator took 287.90ms. Allocated memory is still 151.0MB. Free memory was 74.3MB in the beginning and 61.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-20 20:12:53,847 INFO L158 Benchmark]: Boogie Preprocessor took 63.44ms. Allocated memory is still 151.0MB. Free memory was 61.7MB in the beginning and 118.2MB in the end (delta: -56.6MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. [2024-09-20 20:12:53,849 INFO L158 Benchmark]: RCFGBuilder took 318.68ms. Allocated memory was 151.0MB in the beginning and 192.9MB in the end (delta: 41.9MB). Free memory was 118.2MB in the beginning and 153.6MB in the end (delta: -35.4MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. [2024-09-20 20:12:53,849 INFO L158 Benchmark]: Referee took 178.84ms. Allocated memory is still 192.9MB. Free memory was 153.6MB in the beginning and 144.2MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-09-20 20:12:53,853 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 main to check that a call to reach_error is unreachable at line 17. Annotation is valid for all loop-free paths from entry of procedure id to exit of procedure id. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.40ms. Allocated memory is still 151.0MB. Free memory was 99.3MB in the beginning and 99.2MB in the end (delta: 159.9kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.09ms. Allocated memory is still 151.0MB. Free memory is still 120.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 287.90ms. Allocated memory is still 151.0MB. Free memory was 74.3MB in the beginning and 61.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.44ms. Allocated memory is still 151.0MB. Free memory was 61.7MB in the beginning and 118.2MB in the end (delta: -56.6MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. * RCFGBuilder took 318.68ms. Allocated memory was 151.0MB in the beginning and 192.9MB in the end (delta: 41.9MB). Free memory was 118.2MB in the beginning and 153.6MB in the end (delta: -35.4MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. * Referee took 178.84ms. Allocated memory is still 192.9MB. Free memory was 153.6MB in the beginning and 144.2MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-20 20:12:53,883 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...