This is Ultimate 0.2.4-tmp.dk.referee-eval-fb1cb0b-m [2024-09-25 11:49:47,081 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 11:49:47,130 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-25 11:49:47,136 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 11:49:47,136 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 11:49:47,159 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 11:49:47,159 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 11:49:47,159 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 11:49:47,160 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 11:49:47,160 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 11:49:47,160 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 11:49:47,161 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 11:49:47,161 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 11:49:47,161 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 11:49:47,162 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 11:49:47,162 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 11:49:47,162 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 11:49:47,163 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 11:49:47,163 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-25 11:49:47,163 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 11:49:47,165 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 11:49:47,166 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 11:49:47,166 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 11:49:47,166 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 11:49:47,166 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 11:49:47,167 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 11:49:47,167 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 11:49:47,167 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 11:49:47,167 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 11:49:47,167 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 11:49:47,168 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 11:49:47,168 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 11:49:47,168 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 11:49:47,168 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:49:47,168 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 11:49:47,169 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 11:49:47,169 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 11:49:47,171 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-25 11:49:47,172 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-25 11:49:47,172 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 11:49:47,173 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 11:49:47,173 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 11:49:47,174 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 11:49:47,174 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 11:49:47,404 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 11:49:47,423 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 11:49:47,426 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 11:49:47,427 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 11:49:47,427 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 11:49:47,428 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/recursified_nested_1.yml/witness-2.1.yml [2024-09-25 11:49:47,466 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 11:49:47,466 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 11:49:47,466 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/recursified_loop-simple/recursified_nested_1.c [2024-09-25 11:49:48,693 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 11:49:48,862 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 11:49:48,863 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-simple/recursified_nested_1.c [2024-09-25 11:49:48,869 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/c12f21046/874ccf693d7e443aa1fe65c2d64aa50a/FLAGe540a1c64 [2024-09-25 11:49:49,271 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/c12f21046/874ccf693d7e443aa1fe65c2d64aa50a [2024-09-25 11:49:49,272 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 11:49:49,273 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 11:49:49,274 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 11:49:49,274 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 11:49:49,279 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 11:49:49,279 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:49:47" (1/2) ... [2024-09-25 11:49:49,280 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@605480d0 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:49:49, skipping insertion in model container [2024-09-25 11:49:49,280 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:49:47" (1/2) ... [2024-09-25 11:49:49,281 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6b949564 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:49:49, skipping insertion in model container [2024-09-25 11:49:49,283 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:49:49" (2/2) ... [2024-09-25 11:49:49,283 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@605480d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:49:49, skipping insertion in model container [2024-09-25 11:49:49,283 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:49:49" (2/2) ... [2024-09-25 11:49:49,286 INFO L90 nessWitnessExtractor]: Witness did not contain any usable entries. [2024-09-25 11:49:49,301 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 11:49:49,419 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-simple/recursified_nested_1.c[1277,1290] [2024-09-25 11:49:49,428 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:49:49,434 INFO L200 MainTranslator]: Completed pre-run [2024-09-25 11:49:49,443 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-simple/recursified_nested_1.c[1277,1290] [2024-09-25 11:49:49,444 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:49:49,455 INFO L204 MainTranslator]: Completed translation [2024-09-25 11:49:49,455 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:49:49 WrapperNode [2024-09-25 11:49:49,455 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 11:49:49,456 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 11:49:49,456 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 11:49:49,456 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 11:49:49,465 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:49:49" (1/1) ... [2024-09-25 11:49:49,465 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:49:49" (1/1) ... [2024-09-25 11:49:49,469 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:49:49" (1/1) ... [2024-09-25 11:49:49,478 INFO L175 MemorySlicer]: Split 8 memory accesses to 2 slices as follows [2, 6]. 75 percent of accesses are in the largest equivalence class. The 3 initializations are split as follows [2, 1]. The 2 writes are split as follows [0, 2]. [2024-09-25 11:49:49,478 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:49:49" (1/1) ... [2024-09-25 11:49:49,479 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:49:49" (1/1) ... [2024-09-25 11:49:49,481 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:49:49" (1/1) ... [2024-09-25 11:49:49,482 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:49:49" (1/1) ... [2024-09-25 11:49:49,482 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:49:49" (1/1) ... [2024-09-25 11:49:49,483 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:49:49" (1/1) ... [2024-09-25 11:49:49,486 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 11:49:49,486 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 11:49:49,486 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 11:49:49,486 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 11:49:49,487 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:49:49" (1/1) ... [2024-09-25 11:49:49,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:49:49,501 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 11:49:49,513 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) [2024-09-25 11:49:49,514 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 [2024-09-25 11:49:49,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 11:49:49,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 11:49:49,546 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 11:49:49,546 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_19_to_19_0 [2024-09-25 11:49:49,547 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 11:49:49,547 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 11:49:49,547 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 11:49:49,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 11:49:49,547 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_19_to_19_0 [2024-09-25 11:49:49,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-09-25 11:49:49,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-09-25 11:49:49,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-09-25 11:49:49,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-09-25 11:49:49,547 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 11:49:49,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-09-25 11:49:49,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-25 11:49:49,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-09-25 11:49:49,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 11:49:49,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 11:49:49,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 11:49:49,615 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 11:49:49,617 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 11:49:49,695 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 11:49:49,711 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 11:49:49,711 INFO L317 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-25 11:49:49,711 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:49:49 BoogieIcfgContainer [2024-09-25 11:49:49,711 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 11:49:49,712 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 11:49:49,712 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 11:49:49,712 INFO L274 PluginConnector]: Referee initialized [2024-09-25 11:49:49,713 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:49:47" (1/4) ... [2024-09-25 11:49:49,713 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@73699f69 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:49:49, skipping insertion in model container [2024-09-25 11:49:49,713 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 11:49:49" (2/4) ... [2024-09-25 11:49:49,715 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@73699f69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 11:49:49, skipping insertion in model container [2024-09-25 11:49:49,715 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:49:49" (3/4) ... [2024-09-25 11:49:49,715 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@73699f69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 11:49:49, skipping insertion in model container [2024-09-25 11:49:49,715 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:49:49" (4/4) ... [2024-09-25 11:49:49,716 INFO L79 RefereeObserver]: Analyzing ICFG recursified_nested_1.c [2024-09-25 11:49:49,719 INFO L113 InvariantChecker]: Found 0 loops. [2024-09-25 11:49:49,719 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 5 edges. [2024-09-25 11:49:49,720 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to error location [2024-09-25 11:49:49,740 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-25 11:49:49,741 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:49:49,741 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:49:49,742 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:49:49,742 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:49:49,744 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:49:49,754 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-25 11:49:49,755 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:49:49,755 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:49:49,755 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:49:49,756 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:49:49,756 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:49:49,787 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-25 11:49:49,787 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@73699f69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 11:49:49, skipping insertion in model container [2024-09-25 11:49:49,787 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 11:49:49,789 INFO L158 Benchmark]: Toolchain (without parser) took 514.82ms. Allocated memory is still 172.0MB. Free memory was 137.3MB in the beginning and 130.4MB in the end (delta: 6.9MB). Peak memory consumption was 3.8MB. Max. memory is 16.1GB. [2024-09-25 11:49:49,789 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 172.0MB. Free memory is still 143.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:49:49,789 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 172.0MB. Free memory is still 141.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:49:49,790 INFO L158 Benchmark]: CACSL2BoogieTranslator took 181.69ms. Allocated memory is still 172.0MB. Free memory was 137.3MB in the beginning and 126.1MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-25 11:49:49,790 INFO L158 Benchmark]: Boogie Preprocessor took 29.62ms. Allocated memory is still 172.0MB. Free memory was 126.1MB in the beginning and 124.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-25 11:49:49,790 INFO L158 Benchmark]: RCFGBuilder took 225.37ms. Allocated memory is still 172.0MB. Free memory was 124.0MB in the beginning and 136.7MB in the end (delta: -12.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-25 11:49:49,791 INFO L158 Benchmark]: Referee took 75.49ms. Allocated memory is still 172.0MB. Free memory was 136.7MB in the beginning and 130.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-09-25 11:49:49,792 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 48. One counterexample starts in and ends in a={-1:0}. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.15ms. Allocated memory is still 172.0MB. Free memory is still 143.0MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.09ms. Allocated memory is still 172.0MB. Free memory is still 141.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 181.69ms. Allocated memory is still 172.0MB. Free memory was 137.3MB in the beginning and 126.1MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.62ms. Allocated memory is still 172.0MB. Free memory was 126.1MB in the beginning and 124.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 225.37ms. Allocated memory is still 172.0MB. Free memory was 124.0MB in the beginning and 136.7MB in the end (delta: -12.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 75.49ms. Allocated memory is still 172.0MB. Free memory was 136.7MB in the beginning and 130.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-09-25 11:49:49,815 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...