This is Ultimate 0.2.4-dev-1d5fa63-m [2024-09-13 10:11:29,654 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 10:11:29,701 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 10:11:29,706 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 10:11:29,708 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 10:11:29,727 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 10:11:29,729 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 10:11:29,729 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 10:11:29,730 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 10:11:29,731 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 10:11:29,731 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 10:11:29,731 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 10:11:29,732 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 10:11:29,732 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 10:11:29,733 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 10:11:29,733 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 10:11:29,734 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 10:11:29,734 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 10:11:29,734 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 10:11:29,734 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 10:11:29,734 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 10:11:29,735 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 10:11:29,735 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 10:11:29,735 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 10:11:29,736 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 10:11:29,736 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 10:11:29,736 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 10:11:29,736 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 10:11:29,736 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 10:11:29,737 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 10:11:29,737 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 10:11:29,737 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 10:11:29,737 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 10:11:29,737 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:11:29,738 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 10:11:29,738 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 10:11:29,738 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 10:11:29,738 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 10:11:29,738 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 10:11:29,738 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 10:11:29,738 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 10:11:29,739 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 10:11:29,739 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 10:11:29,739 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 10:11:29,978 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 10:11:29,998 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 10:11:30,000 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 10:11:30,001 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 10:11:30,002 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 10:11:30,002 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/recursified_mod4.yml/witness-2.1.yml [2024-09-13 10:11:30,042 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 10:11:30,042 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 10:11:30,043 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/recursified_loop-invariants/recursified_mod4.c [2024-09-13 10:11:31,263 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 10:11:31,409 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 10:11:31,409 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-invariants/recursified_mod4.c [2024-09-13 10:11:31,414 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/dcb62c089/f062d61d16984fd0ac5af645c34c602b/FLAG95e8f1f66 [2024-09-13 10:11:31,424 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/dcb62c089/f062d61d16984fd0ac5af645c34c602b [2024-09-13 10:11:31,425 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 10:11:31,426 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 10:11:31,428 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 10:11:31,428 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 10:11:31,432 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 10:11:31,432 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:11:30" (1/2) ... [2024-09-13 10:11:31,433 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52521749 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:11:31, skipping insertion in model container [2024-09-13 10:11:31,433 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:11:30" (1/2) ... [2024-09-13 10:11:31,434 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2b013d47 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:11:31, skipping insertion in model container [2024-09-13 10:11:31,434 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:11:31" (2/2) ... [2024-09-13 10:11:31,434 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52521749 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:11:31, skipping insertion in model container [2024-09-13 10:11:31,435 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:11:31" (2/2) ... [2024-09-13 10:11:31,440 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 10:11:31,441 INFO L1541 ArrayList]: Function contract at [L21]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-13 10:11:31,454 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 10:11:31,603 WARN L247 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_mod4.c[962,975] [2024-09-13 10:11:31,611 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:11:31,619 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-13 10:11:31,645 WARN L247 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_mod4.c[962,975] [2024-09-13 10:11:31,648 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:11:31,660 INFO L204 MainTranslator]: Completed translation [2024-09-13 10:11:31,660 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:11:31 WrapperNode [2024-09-13 10:11:31,661 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 10:11:31,661 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 10:11:31,661 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 10:11:31,662 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 10:11:31,671 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:11:31" (1/1) ... [2024-09-13 10:11:31,671 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:11:31" (1/1) ... [2024-09-13 10:11:31,676 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:11:31" (1/1) ... [2024-09-13 10:11:31,684 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 [2024-09-13 10:11:31,685 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:11:31" (1/1) ... [2024-09-13 10:11:31,685 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:11:31" (1/1) ... [2024-09-13 10:11:31,688 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:11:31" (1/1) ... [2024-09-13 10:11:31,689 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:11:31" (1/1) ... [2024-09-13 10:11:31,690 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:11:31" (1/1) ... [2024-09-13 10:11:31,692 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:11:31" (1/1) ... [2024-09-13 10:11:31,694 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 10:11:31,697 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 10:11:31,697 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 10:11:31,697 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 10:11:31,698 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:11:31" (1/1) ... [2024-09-13 10:11:31,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:11:31,709 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 10:11:31,732 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) [2024-09-13 10:11:31,734 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 [2024-09-13 10:11:31,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 10:11:31,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 10:11:31,772 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 10:11:31,772 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 10:11:31,772 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_13_to_14_0 [2024-09-13 10:11:31,773 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 10:11:31,773 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 10:11:31,773 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 10:11:31,773 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 10:11:31,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 10:11:31,773 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-13 10:11:31,773 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 10:11:31,773 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_13_to_14_0 [2024-09-13 10:11:31,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-13 10:11:31,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-13 10:11:31,774 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 10:11:31,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-09-13 10:11:31,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-13 10:11:31,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 10:11:31,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 10:11:31,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 10:11:31,823 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 10:11:31,825 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 10:11:31,896 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:11:31,909 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 10:11:31,946 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 10:11:31,946 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-13 10:11:31,946 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:11:31 BoogieIcfgContainer [2024-09-13 10:11:31,946 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 10:11:31,947 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 10:11:31,947 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 10:11:31,948 INFO L274 PluginConnector]: Referee initialized [2024-09-13 10:11:31,948 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:11:30" (1/4) ... [2024-09-13 10:11:31,948 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@600e967b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:11:31, skipping insertion in model container [2024-09-13 10:11:31,948 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 10:11:31" (2/4) ... [2024-09-13 10:11:31,949 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@600e967b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:11:31, skipping insertion in model container [2024-09-13 10:11:31,949 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:11:31" (3/4) ... [2024-09-13 10:11:31,949 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@600e967b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:11:31, skipping insertion in model container [2024-09-13 10:11:31,949 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:11:31" (4/4) ... [2024-09-13 10:11:31,950 INFO L79 RefereeObserver]: Analyzing ICFG recursified_mod4.c [2024-09-13 10:11:31,953 INFO L112 InvariantChecker]: Found 0 loops. [2024-09-13 10:11:31,953 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 10:11:31,954 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 10:11:31,954 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-13 10:11:31,954 INFO L130 InvariantChecker]: Will check 3 loop-free subgraphs from procedure entry to error location [2024-09-13 10:11:31,988 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 10:11:31,989 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:11:31,989 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:11:31,990 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:11:31,990 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:11:31,998 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:11:32,016 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 10:11:32,020 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:11:32,020 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:11:32,020 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:11:32,021 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:11:32,021 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:11:32,069 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 10:11:32,069 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:11:32,069 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:11:32,070 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:11:32,070 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:11:32,071 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:11:32,075 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 10:11:32,076 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:11:32,076 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:11:32,076 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:11:32,076 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:11:32,079 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:11:32,083 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:11:32,090 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:11:32,091 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:11:32,091 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:11:32,091 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:11:32,091 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:11:32,091 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:11:32,094 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:11:32,095 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:11:32,095 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:11:32,095 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:11:32,095 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:11:32,096 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:11:32,098 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 10:11:32,103 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-09-13 10:11:32,104 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-09-13 10:11:32,104 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[freshIdentifier2,QUANTIFIED]]] [2024-09-13 10:11:32,106 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-09-13 10:11:32,106 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-09-13 10:11:32,106 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#x~0!base,]]] [2024-09-13 10:11:32,107 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-13 10:11:32,108 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@600e967b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 10:11:32, skipping insertion in model container [2024-09-13 10:11:32,108 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 10:11:32,110 INFO L158 Benchmark]: Toolchain (without parser) took 683.65ms. Allocated memory is still 146.8MB. Free memory was 71.9MB in the beginning and 90.2MB in the end (delta: -18.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:11:32,111 INFO L158 Benchmark]: Witness Parser took 0.43ms. Allocated memory is still 146.8MB. Free memory is still 118.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:11:32,112 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 146.8MB. Free memory was 116.7MB in the beginning and 116.5MB in the end (delta: 234.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:11:32,113 INFO L158 Benchmark]: CACSL2BoogieTranslator took 232.90ms. Allocated memory is still 146.8MB. Free memory was 71.7MB in the beginning and 114.0MB in the end (delta: -42.3MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. [2024-09-13 10:11:32,113 INFO L158 Benchmark]: Boogie Preprocessor took 34.72ms. Allocated memory is still 146.8MB. Free memory was 114.0MB in the beginning and 112.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 10:11:32,113 INFO L158 Benchmark]: RCFGBuilder took 249.99ms. Allocated memory is still 146.8MB. Free memory was 111.9MB in the beginning and 100.0MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-13 10:11:32,114 INFO L158 Benchmark]: Referee took 161.61ms. Allocated memory is still 146.8MB. Free memory was 100.0MB in the beginning and 90.2MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-09-13 10:11:32,116 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. [2024-09-13 10:11:32,119 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-09-13 10:11:32,119 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[freshIdentifier5,QUANTIFIED]]] [2024-09-13 10:11:32,119 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-09-13 10:11:32,120 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-09-13 10:11:32,120 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#x~0!base,]]] [2024-09-13 10:11:32,120 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-09-13 10:11:32,120 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-09-13 10:11:32,120 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[freshIdentifier8,QUANTIFIED]]] [2024-09-13 10:11:32,120 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-09-13 10:11:32,121 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-09-13 10:11:32,121 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#x~0!base,]]] [2024-09-13 10:11:32,122 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] 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 56. One counterexample starts in and ends in x={-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: * Witness Parser took 0.43ms. Allocated memory is still 146.8MB. Free memory is still 118.6MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.34ms. Allocated memory is still 146.8MB. Free memory was 116.7MB in the beginning and 116.5MB in the end (delta: 234.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 232.90ms. Allocated memory is still 146.8MB. Free memory was 71.7MB in the beginning and 114.0MB in the end (delta: -42.3MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.72ms. Allocated memory is still 146.8MB. Free memory was 114.0MB in the beginning and 112.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 249.99ms. Allocated memory is still 146.8MB. Free memory was 111.9MB in the beginning and 100.0MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 161.61ms. Allocated memory is still 146.8MB. Free memory was 100.0MB in the beginning and 90.2MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[freshIdentifier2,QUANTIFIED]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#x~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[freshIdentifier5,QUANTIFIED]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#x~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[freshIdentifier8,QUANTIFIED]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#x~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 10:11:32,148 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...