This is Ultimate 0.2.4-tmp.dk.referee-eval-6908dde-m [2024-09-25 00:31:20,867 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 00:31:20,906 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-25 00:31:20,909 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 00:31:20,910 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 00:31:20,950 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 00:31:20,951 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 00:31:20,951 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 00:31:20,952 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 00:31:20,952 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 00:31:20,953 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 00:31:20,953 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 00:31:20,953 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 00:31:20,962 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 00:31:20,962 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 00:31:20,964 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 00:31:20,968 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 00:31:20,968 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 00:31:20,968 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-25 00:31:20,969 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 00:31:20,969 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 00:31:20,972 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 00:31:20,972 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 00:31:20,972 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 00:31:20,972 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 00:31:20,972 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 00:31:20,972 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 00:31:20,973 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 00:31:20,973 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 00:31:20,973 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 00:31:20,973 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 00:31:20,973 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 00:31:20,974 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 00:31:20,974 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:31:20,974 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 00:31:20,974 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 00:31:20,974 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 00:31:20,974 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-25 00:31:20,975 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-25 00:31:20,975 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 00:31:20,975 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 00:31:20,981 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 00:31:20,981 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 00:31:20,981 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 00:31:21,314 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 00:31:21,344 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 00:31:21,347 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 00:31:21,348 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 00:31:21,348 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 00:31:21,349 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/recursified_loop-invariants/recursified_eq2.c [2024-09-25 00:31:22,731 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 00:31:22,989 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 00:31:22,989 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-invariants/recursified_eq2.c [2024-09-25 00:31:23,005 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/1a060bad7/5a6786fd2a1840cc9c56564b71066373/FLAG43bac80f5 [2024-09-25 00:31:23,030 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/1a060bad7/5a6786fd2a1840cc9c56564b71066373 [2024-09-25 00:31:23,032 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 00:31:23,034 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 00:31:23,034 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/recursified_eq2.yml/witness-2.1.yml [2024-09-25 00:31:23,110 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 00:31:23,111 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 00:31:23,112 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 00:31:23,112 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 00:31:23,120 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 00:31:23,121 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:31:23" (1/2) ... [2024-09-25 00:31:23,122 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ecc5b7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:31:23, skipping insertion in model container [2024-09-25 00:31:23,122 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:31:23" (1/2) ... [2024-09-25 00:31:23,129 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@52f9ea3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:31:23, skipping insertion in model container [2024-09-25 00:31:23,129 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 12:31:23" (2/2) ... [2024-09-25 00:31:23,129 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ecc5b7d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:31:23, skipping insertion in model container [2024-09-25 00:31:23,129 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 12:31:23" (2/2) ... [2024-09-25 00:31:23,137 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 00:31:23,138 INFO L1541 ArrayList]: Function contract at [L21]: requires (cond != 0), ensures (cond != 0) [2024-09-25 00:31:23,164 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 00:31:23,401 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-invariants/recursified_eq2.c[973,986] [2024-09-25 00:31:23,430 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:31:23,443 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-25 00:31:23,533 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-invariants/recursified_eq2.c[973,986] [2024-09-25 00:31:23,540 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:31:23,563 INFO L204 MainTranslator]: Completed translation [2024-09-25 00:31:23,567 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:31:23 WrapperNode [2024-09-25 00:31:23,567 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 00:31:23,568 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 00:31:23,568 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 00:31:23,568 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 00:31:23,589 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:31:23" (1/1) ... [2024-09-25 00:31:23,589 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:31:23" (1/1) ... [2024-09-25 00:31:23,597 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:31:23" (1/1) ... [2024-09-25 00:31:23,617 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-25 00:31:23,617 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:31:23" (1/1) ... [2024-09-25 00:31:23,621 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:31:23" (1/1) ... [2024-09-25 00:31:23,630 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:31:23" (1/1) ... [2024-09-25 00:31:23,631 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:31:23" (1/1) ... [2024-09-25 00:31:23,632 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:31:23" (1/1) ... [2024-09-25 00:31:23,632 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:31:23" (1/1) ... [2024-09-25 00:31:23,633 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 00:31:23,634 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 00:31:23,634 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 00:31:23,639 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 00:31:23,640 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:31:23" (1/1) ... [2024-09-25 00:31:23,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:31:23,657 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 00:31:23,682 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 00:31:23,690 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 00:31:23,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 00:31:23,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 00:31:23,759 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 00:31:23,759 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-25 00:31:23,759 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_16_to_18_0 [2024-09-25 00:31:23,760 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 00:31:23,760 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 00:31:23,761 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 00:31:23,761 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 00:31:23,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 00:31:23,764 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-25 00:31:23,764 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 00:31:23,764 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_16_to_18_0 [2024-09-25 00:31:23,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-25 00:31:23,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-25 00:31:23,764 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 00:31:23,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-09-25 00:31:23,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-25 00:31:23,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 00:31:23,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 00:31:23,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 00:31:23,882 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 00:31:23,883 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 00:31:24,049 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 00:31:24,072 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 00:31:24,115 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 00:31:24,118 INFO L317 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-25 00:31:24,119 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:31:24 BoogieIcfgContainer [2024-09-25 00:31:24,119 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 00:31:24,119 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 00:31:24,120 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 00:31:24,121 INFO L274 PluginConnector]: Referee initialized [2024-09-25 00:31:24,123 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 12:31:23" (1/4) ... [2024-09-25 00:31:24,124 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6bccfa10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 12:31:24, skipping insertion in model container [2024-09-25 00:31:24,124 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 12:31:23" (2/4) ... [2024-09-25 00:31:24,124 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6bccfa10 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 12:31:24, skipping insertion in model container [2024-09-25 00:31:24,124 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:31:23" (3/4) ... [2024-09-25 00:31:24,124 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6bccfa10 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 12:31:24, skipping insertion in model container [2024-09-25 00:31:24,124 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:31:24" (4/4) ... [2024-09-25 00:31:24,126 INFO L79 RefereeObserver]: Analyzing ICFG recursified_eq2.c [2024-09-25 00:31:24,129 INFO L113 InvariantChecker]: Found 0 loops. [2024-09-25 00:31:24,133 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 00:31:24,135 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 00:31:24,135 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-25 00:31:24,135 INFO L131 InvariantChecker]: Will check 3 loop-free subgraphs from procedure entry to error location [2024-09-25 00:31:24,202 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 00:31:24,203 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:31:24,203 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:31:24,207 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:31:24,210 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:31:24,212 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:31:24,239 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 00:31:24,244 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:31:24,244 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:31:24,244 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:31:24,245 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:31:24,245 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:31:24,307 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 00:31:24,315 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:31:24,315 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:31:24,315 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:31:24,315 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:31:24,315 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:31:24,318 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 00:31:24,318 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:31:24,318 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:31:24,318 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:31:24,318 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:31:24,322 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:31:24,333 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:31:24,341 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:31:24,345 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:31:24,345 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:31:24,345 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:31:24,345 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:31:24,346 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:31:24,347 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:31:24,350 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:31:24,350 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:31:24,350 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:31:24,350 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:31:24,351 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:31:24,353 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 00:31:24,367 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-25 00:31:24,368 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6bccfa10 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 12:31:24, skipping insertion in model container [2024-09-25 00:31:24,368 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 00:31:24,373 INFO L158 Benchmark]: Toolchain (without parser) took 1257.74ms. Allocated memory is still 172.0MB. Free memory was 101.5MB in the beginning and 116.3MB in the end (delta: -14.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:31:24,373 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 109.1MB. Free memory is still 76.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:31:24,374 INFO L158 Benchmark]: Witness Parser took 0.09ms. Allocated memory is still 172.0MB. Free memory is still 103.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:31:24,374 INFO L158 Benchmark]: CACSL2BoogieTranslator took 455.73ms. Allocated memory is still 172.0MB. Free memory was 101.3MB in the beginning and 142.7MB in the end (delta: -41.4MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. [2024-09-25 00:31:24,374 INFO L158 Benchmark]: Boogie Preprocessor took 65.41ms. Allocated memory is still 172.0MB. Free memory was 142.7MB in the beginning and 140.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-25 00:31:24,375 INFO L158 Benchmark]: RCFGBuilder took 484.86ms. Allocated memory is still 172.0MB. Free memory was 140.6MB in the beginning and 127.4MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-25 00:31:24,375 INFO L158 Benchmark]: Referee took 248.89ms. Allocated memory is still 172.0MB. Free memory was 127.4MB in the beginning and 116.3MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-25 00:31:24,380 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 procedure precondition always holds at line 60. One counterexample starts in and ends in w=2240, x=2240, y={-2:0}, z={-1:0}. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 25. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 109.1MB. Free memory is still 76.7MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.09ms. Allocated memory is still 172.0MB. Free memory is still 103.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 455.73ms. Allocated memory is still 172.0MB. Free memory was 101.3MB in the beginning and 142.7MB in the end (delta: -41.4MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.41ms. Allocated memory is still 172.0MB. Free memory was 142.7MB in the beginning and 140.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 484.86ms. Allocated memory is still 172.0MB. Free memory was 140.6MB in the beginning and 127.4MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 248.89ms. Allocated memory is still 172.0MB. Free memory was 127.4MB in the beginning and 116.3MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-09-25 00:31:24,412 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...