This is Ultimate 0.2.5-wip.dk.contract-modifies-e378df2-m [2024-10-15 15:31:13,692 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 15:31:13,777 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-10-15 15:31:13,782 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 15:31:13,783 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 15:31:13,815 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 15:31:13,816 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 15:31:13,816 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 15:31:13,817 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 15:31:13,818 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 15:31:13,819 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 15:31:13,819 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 15:31:13,819 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 15:31:13,820 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 15:31:13,821 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-15 15:31:13,822 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 15:31:13,822 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-15 15:31:13,822 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 15:31:13,822 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 15:31:13,823 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-15 15:31:13,824 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-15 15:31:13,825 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-15 15:31:13,825 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 15:31:13,825 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 15:31:13,826 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 15:31:13,826 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 15:31:13,826 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 15:31:13,827 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 15:31:13,827 INFO L153 SettingsManager]: * Future-live optimization=false [2024-10-15 15:31:13,827 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-15 15:31:13,827 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-15 15:31:13,828 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER [2024-10-15 15:31:14,165 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 15:31:14,198 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 15:31:14,200 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 15:31:14,201 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 15:31:14,202 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 15:31:14,203 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-industry-pattern/aiob_4.c.v+lh-reducer.c [2024-10-15 15:31:15,854 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 15:31:16,072 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 15:31:16,073 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-industry-pattern/aiob_4.c.v+lh-reducer.c [2024-10-15 15:31:16,088 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/36b225fe1/fd78557439fb4f5a8d76529db37e2c81/FLAGadf6c2e58 [2024-10-15 15:31:16,429 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/36b225fe1/fd78557439fb4f5a8d76529db37e2c81 [2024-10-15 15:31:16,431 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-10-15 15:31:16,432 INFO L274 PluginConnector]: Witness Parser initialized [2024-10-15 15:31:16,433 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/aiob_4.c.v+lh-reducer.yml/witness-2.1.yml [2024-10-15 15:31:16,483 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 15:31:16,484 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-10-15 15:31:16,486 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 15:31:16,486 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 15:31:16,490 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 15:31:16,491 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:31:16" (1/2) ... [2024-10-15 15:31:16,493 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65f96b98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:16, skipping insertion in model container [2024-10-15 15:31:16,493 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:31:16" (1/2) ... [2024-10-15 15:31:16,495 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@35ea9bd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:16, skipping insertion in model container [2024-10-15 15:31:16,495 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.10 03:31:16" (2/2) ... [2024-10-15 15:31:16,496 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65f96b98 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:31:16, skipping insertion in model container [2024-10-15 15:31:16,496 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.10 03:31:16" (2/2) ... [2024-10-15 15:31:16,511 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-10-15 15:31:16,512 INFO L1541 ArrayList]: Location invariant before [L167-L235] (((((Id_MCDC_93 == 0) && (Id_MCDC_89__Id_MCDC_96 == 0)) || ((((41 != ((4294967295 + Id_MCDC_89__Id_MCDC_96) % 4294967296)) && (((4294967295 + Id_MCDC_89__Id_MCDC_96) % 4294967296) <= 41)) && (((Id_MCDC_93 + 4294967295) % 4294967296) <= 41)) && (Id_MCDC_93 <= 41))) || (((Id_MCDC_89__Id_MCDC_96 == 1) && (Id_MCDC_93 <= 1)) && (0 <= 0))) && (\old(Id_MCDC_93) == 0)) [2024-10-15 15:31:16,514 INFO L1541 ArrayList]: Function contract at [L133]: requires (Id_MCDC_93 == 0), ensures ((\old(Id_MCDC_93) == 0) && (__return_main == \old(__return_main))) [2024-10-15 15:31:16,544 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 15:31:16,825 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/loop-industry-pattern/aiob_4.c.v+lh-reducer.c[8507,8520] [2024-10-15 15:31:16,836 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:31:16,847 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-10-15 15:31:16,934 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/loop-industry-pattern/aiob_4.c.v+lh-reducer.c[8507,8520] Start Parsing Local [2024-10-15 15:31:16,943 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:31:16,961 INFO L204 MainTranslator]: Completed translation [2024-10-15 15:31:16,962 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:31:16 WrapperNode [2024-10-15 15:31:16,962 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 15:31:16,964 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 15:31:16,964 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 15:31:16,964 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 15:31:16,971 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:31:16" (1/1) ... [2024-10-15 15:31:16,988 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:31:16" (1/1) ... [2024-10-15 15:31:17,002 INFO L138 Inliner]: procedures = 17, calls = 202, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-10-15 15:31:17,003 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 15:31:17,004 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 15:31:17,004 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 15:31:17,004 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 15:31:17,013 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 15.10 03:31:16" (1/1) ... [2024-10-15 15:31:17,014 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 15.10 03:31:16" (1/1) ... [2024-10-15 15:31:17,021 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 15.10 03:31:16" (1/1) ... [2024-10-15 15:31:17,061 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure main is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-10-15 15:31:17,062 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 15.10 03:31:16" (1/1) ... [2024-10-15 15:31:17,062 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 15.10 03:31:16" (1/1) ... [2024-10-15 15:31:17,092 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 15.10 03:31:16" (1/1) ... [2024-10-15 15:31:17,097 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 15.10 03:31:16" (1/1) ... [2024-10-15 15:31:17,100 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 15.10 03:31:16" (1/1) ... [2024-10-15 15:31:17,102 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 15.10 03:31:16" (1/1) ... [2024-10-15 15:31:17,106 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 15:31:17,106 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 15:31:17,106 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 15:31:17,107 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 15:31:17,107 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 15.10 03:31:16" (1/1) ... [2024-10-15 15:31:17,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-15 15:31:17,122 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-10-15 15:31:17,138 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) [2024-10-15 15:31:17,142 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 [2024-10-15 15:31:17,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-10-15 15:31:17,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 15:31:17,190 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-10-15 15:31:17,190 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-10-15 15:31:17,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-15 15:31:17,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-15 15:31:17,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-10-15 15:31:17,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-10-15 15:31:17,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 15:31:17,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 15:31:17,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-15 15:31:17,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-15 15:31:17,311 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 15:31:17,314 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 15:31:17,406 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-15 15:31:17,830 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 15:31:17,866 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 15:31:17,866 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-15 15:31:17,867 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:31:17 BoogieIcfgContainer [2024-10-15 15:31:17,867 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 15:31:17,868 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-10-15 15:31:17,868 INFO L270 PluginConnector]: Initializing Referee... [2024-10-15 15:31:17,869 INFO L274 PluginConnector]: Referee initialized [2024-10-15 15:31:17,869 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.10 03:31:16" (1/4) ... [2024-10-15 15:31:17,871 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@376fd546 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:31:17, skipping insertion in model container [2024-10-15 15:31:17,871 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.10 03:31:16" (2/4) ... [2024-10-15 15:31:17,872 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@376fd546 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:31:17, skipping insertion in model container [2024-10-15 15:31:17,872 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 15.10 03:31:16" (3/4) ... [2024-10-15 15:31:17,873 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@376fd546 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:31:17, skipping insertion in model container [2024-10-15 15:31:17,873 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:31:17" (4/4) ... [2024-10-15 15:31:17,874 INFO L79 RefereeObserver]: Analyzing ICFG aiob_4.c.v+lh-reducer.c [2024-10-15 15:31:17,879 INFO L113 InvariantChecker]: Found 0 loops. [2024-10-15 15:31:17,879 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 18 edges. [2024-10-15 15:31:17,880 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-10-15 15:31:17,880 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-10-15 15:31:17,880 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 12 edges. [2024-10-15 15:31:17,880 INFO L131 InvariantChecker]: Will check 4 loop-free subgraphs from procedure entry to error location [2024-10-15 15:31:17,936 INFO L309 BlockEncoder]: Initial Icfg 13 locations, 18 edges [2024-10-15 15:31:17,937 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:17,937 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:17,938 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:17,939 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:17,941 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:18,023 INFO L101 BaseMinimizeStates]: Removed 34 edges and 10 locations by large block encoding [2024-10-15 15:31:18,024 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:18,025 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:18,025 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:18,025 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:18,039 INFO L309 BlockEncoder]: Encoded RCFG 3 locations, 4 edges [2024-10-15 15:31:18,040 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.referee has thrown an exception: java.lang.AssertionError: Either subgraph not acyclic or there is a bug at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:168) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.InvariantChecker.(InvariantChecker.java:145) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeStarter.(RefereeStarter.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver.finish(RefereeObserver.java:80) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-10-15 15:31:18,044 INFO L158 Benchmark]: Toolchain (without parser) took 1558.76ms. Allocated memory was 86.0MB in the beginning and 107.0MB in the end (delta: 21.0MB). Free memory was 54.5MB in the beginning and 76.7MB in the end (delta: -22.2MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. [2024-10-15 15:31:18,045 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 60.8MB. Free memory was 44.0MB in the beginning and 44.0MB in the end (delta: 47.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:31:18,045 INFO L158 Benchmark]: Witness Parser took 0.18ms. Allocated memory is still 86.0MB. Free memory is still 56.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:31:18,046 INFO L158 Benchmark]: CACSL2BoogieTranslator took 476.98ms. Allocated memory is still 86.0MB. Free memory was 54.4MB in the beginning and 55.6MB in the end (delta: -1.3MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. [2024-10-15 15:31:18,047 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.08ms. Allocated memory is still 86.0MB. Free memory was 55.6MB in the beginning and 54.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 15:31:18,047 INFO L158 Benchmark]: Boogie Preprocessor took 102.07ms. Allocated memory is still 86.0MB. Free memory was 54.3MB in the beginning and 49.8MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-15 15:31:18,048 INFO L158 Benchmark]: RCFGBuilder took 760.99ms. Allocated memory is still 86.0MB. Free memory was 49.8MB in the beginning and 52.7MB in the end (delta: -2.9MB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. [2024-10-15 15:31:18,049 INFO L158 Benchmark]: Referee took 174.31ms. Allocated memory was 86.0MB in the beginning and 107.0MB in the end (delta: 21.0MB). Free memory was 52.7MB in the beginning and 76.7MB in the end (delta: -24.0MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. [2024-10-15 15:31:18,052 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - ExceptionOrErrorResult: AssertionError: Either subgraph not acyclic or there is a bug de.uni_freiburg.informatik.ultimate.plugins.generator.referee: AssertionError: Either subgraph not acyclic or there is a bug: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:168) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 60.8MB. Free memory was 44.0MB in the beginning and 44.0MB in the end (delta: 47.8kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.18ms. Allocated memory is still 86.0MB. Free memory is still 56.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 476.98ms. Allocated memory is still 86.0MB. Free memory was 54.4MB in the beginning and 55.6MB in the end (delta: -1.3MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.08ms. Allocated memory is still 86.0MB. Free memory was 55.6MB in the beginning and 54.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 102.07ms. Allocated memory is still 86.0MB. Free memory was 54.3MB in the beginning and 49.8MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 760.99ms. Allocated memory is still 86.0MB. Free memory was 49.8MB in the beginning and 52.7MB in the end (delta: -2.9MB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. * Referee took 174.31ms. Allocated memory was 86.0MB in the beginning and 107.0MB in the end (delta: 21.0MB). Free memory was 52.7MB in the beginning and 76.7MB in the end (delta: -24.0MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-10-15 15:31:18,086 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... ### Bit-precise run ### This is Ultimate 0.2.5-wip.dk.contract-modifies-e378df2-m [2024-10-15 15:31:20,099 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 15:31:20,178 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-10-15 15:31:20,184 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 15:31:20,185 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 15:31:20,212 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 15:31:20,214 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 15:31:20,214 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 15:31:20,215 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 15:31:20,219 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 15:31:20,219 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 15:31:20,219 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 15:31:20,220 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 15:31:20,222 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 15:31:20,223 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-15 15:31:20,223 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 15:31:20,223 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 15:31:20,223 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 15:31:20,223 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-15 15:31:20,224 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-15 15:31:20,224 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-15 15:31:20,224 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-15 15:31:20,224 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-15 15:31:20,225 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 15:31:20,225 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-15 15:31:20,225 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 15:31:20,225 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 15:31:20,226 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 15:31:20,228 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 15:31:20,229 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 15:31:20,229 INFO L153 SettingsManager]: * Future-live optimization=false [2024-10-15 15:31:20,229 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-15 15:31:20,229 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-15 15:31:20,229 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER [2024-10-15 15:31:20,527 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 15:31:20,552 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 15:31:20,556 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 15:31:20,557 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-10-15 15:31:20,558 INFO L274 PluginConnector]: Witness Parser initialized [2024-10-15 15:31:20,559 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/aiob_4.c.v+lh-reducer.yml/witness-2.1.yml [2024-10-15 15:31:20,621 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 15:31:20,621 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 15:31:20,622 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-industry-pattern/aiob_4.c.v+lh-reducer.c [2024-10-15 15:31:22,210 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 15:31:22,410 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 15:31:22,413 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-industry-pattern/aiob_4.c.v+lh-reducer.c [2024-10-15 15:31:22,426 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/e8e923f8e/5ddf14042fd34458a1247a68cb82ca58/FLAG0ed8f0480 [2024-10-15 15:31:22,441 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/e8e923f8e/5ddf14042fd34458a1247a68cb82ca58 [2024-10-15 15:31:22,442 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 15:31:22,443 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-10-15 15:31:22,445 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 15:31:22,445 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 15:31:22,450 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 15:31:22,451 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.10 03:31:20" (1/2) ... [2024-10-15 15:31:22,454 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@715c72aa and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:31:22, skipping insertion in model container [2024-10-15 15:31:22,454 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.10 03:31:20" (1/2) ... [2024-10-15 15:31:22,455 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@51c5cb2f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:31:22, skipping insertion in model container [2024-10-15 15:31:22,455 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:31:22" (2/2) ... [2024-10-15 15:31:22,456 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@715c72aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:22, skipping insertion in model container [2024-10-15 15:31:22,456 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:31:22" (2/2) ... [2024-10-15 15:31:22,472 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-10-15 15:31:22,476 INFO L1541 ArrayList]: Location invariant before [L167-L235] (((((Id_MCDC_93 == 0) && (Id_MCDC_89__Id_MCDC_96 == 0)) || ((((41 != ((4294967295 + Id_MCDC_89__Id_MCDC_96) % 4294967296)) && (((4294967295 + Id_MCDC_89__Id_MCDC_96) % 4294967296) <= 41)) && (((Id_MCDC_93 + 4294967295) % 4294967296) <= 41)) && (Id_MCDC_93 <= 41))) || (((Id_MCDC_89__Id_MCDC_96 == 1) && (Id_MCDC_93 <= 1)) && (0 <= 0))) && (\old(Id_MCDC_93) == 0)) [2024-10-15 15:31:22,476 INFO L1541 ArrayList]: Function contract at [L133]: requires (Id_MCDC_93 == 0), ensures ((\old(Id_MCDC_93) == 0) && (__return_main == \old(__return_main))) [2024-10-15 15:31:22,506 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 15:31:22,803 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/loop-industry-pattern/aiob_4.c.v+lh-reducer.c[8507,8520] [2024-10-15 15:31:22,819 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:31:22,837 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-10-15 15:31:22,951 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/loop-industry-pattern/aiob_4.c.v+lh-reducer.c[8507,8520] Start Parsing Local [2024-10-15 15:31:22,961 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:31:22,982 INFO L204 MainTranslator]: Completed translation [2024-10-15 15:31:22,983 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:22 WrapperNode [2024-10-15 15:31:22,983 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 15:31:22,985 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 15:31:22,985 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 15:31:22,985 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 15:31:22,992 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:22" (1/1) ... [2024-10-15 15:31:23,008 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:22" (1/1) ... [2024-10-15 15:31:23,016 INFO L138 Inliner]: procedures = 21, calls = 202, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-10-15 15:31:23,017 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 15:31:23,018 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 15:31:23,018 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 15:31:23,018 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 15:31:23,029 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:22" (1/1) ... [2024-10-15 15:31:23,030 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:22" (1/1) ... [2024-10-15 15:31:23,039 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:22" (1/1) ... [2024-10-15 15:31:23,067 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure main is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-10-15 15:31:23,068 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:22" (1/1) ... [2024-10-15 15:31:23,068 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:22" (1/1) ... [2024-10-15 15:31:23,087 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:22" (1/1) ... [2024-10-15 15:31:23,090 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:22" (1/1) ... [2024-10-15 15:31:23,093 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:22" (1/1) ... [2024-10-15 15:31:23,095 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:22" (1/1) ... [2024-10-15 15:31:23,099 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 15:31:23,100 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 15:31:23,102 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 15:31:23,102 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 15:31:23,103 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:22" (1/1) ... [2024-10-15 15:31:23,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-15 15:31:23,122 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-10-15 15:31:23,140 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) [2024-10-15 15:31:23,143 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 [2024-10-15 15:31:23,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-10-15 15:31:23,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 15:31:23,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-10-15 15:31:23,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-10-15 15:31:23,193 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-10-15 15:31:23,193 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-10-15 15:31:23,193 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-15 15:31:23,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-10-15 15:31:23,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-10-15 15:31:23,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-10-15 15:31:23,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 15:31:23,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 15:31:23,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-15 15:31:23,330 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 15:31:23,332 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 15:31:23,430 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-15 15:31:24,061 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 15:31:24,093 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 15:31:24,094 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-15 15:31:24,094 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:31:24 BoogieIcfgContainer [2024-10-15 15:31:24,095 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 15:31:24,096 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-10-15 15:31:24,096 INFO L270 PluginConnector]: Initializing Referee... [2024-10-15 15:31:24,097 INFO L274 PluginConnector]: Referee initialized [2024-10-15 15:31:24,097 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.10 03:31:20" (1/4) ... [2024-10-15 15:31:24,098 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@10d35f8f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:31:24, skipping insertion in model container [2024-10-15 15:31:24,098 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.10 03:31:22" (2/4) ... [2024-10-15 15:31:24,100 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@10d35f8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:31:24, skipping insertion in model container [2024-10-15 15:31:24,100 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:22" (3/4) ... [2024-10-15 15:31:24,100 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@10d35f8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:31:24, skipping insertion in model container [2024-10-15 15:31:24,100 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:31:24" (4/4) ... [2024-10-15 15:31:24,102 INFO L79 RefereeObserver]: Analyzing ICFG aiob_4.c.v+lh-reducer.c [2024-10-15 15:31:24,105 INFO L113 InvariantChecker]: Found 0 loops. [2024-10-15 15:31:24,106 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 18 edges. [2024-10-15 15:31:24,107 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-10-15 15:31:24,107 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-10-15 15:31:24,107 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 12 edges. [2024-10-15 15:31:24,107 INFO L131 InvariantChecker]: Will check 4 loop-free subgraphs from procedure entry to error location [2024-10-15 15:31:24,178 INFO L309 BlockEncoder]: Initial Icfg 13 locations, 18 edges [2024-10-15 15:31:24,179 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:24,180 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:24,180 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:24,181 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:24,183 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:24,271 INFO L101 BaseMinimizeStates]: Removed 34 edges and 10 locations by large block encoding [2024-10-15 15:31:24,274 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:24,274 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:24,275 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:24,275 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:24,283 INFO L309 BlockEncoder]: Encoded RCFG 3 locations, 4 edges [2024-10-15 15:31:24,284 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.referee has thrown an exception: java.lang.AssertionError: Either subgraph not acyclic or there is a bug at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:168) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.InvariantChecker.(InvariantChecker.java:145) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeStarter.(RefereeStarter.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver.finish(RefereeObserver.java:80) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-10-15 15:31:24,288 INFO L158 Benchmark]: Toolchain (without parser) took 1844.47ms. Allocated memory was 75.5MB in the beginning and 102.8MB in the end (delta: 27.3MB). Free memory was 45.2MB in the beginning and 43.7MB in the end (delta: 1.6MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. [2024-10-15 15:31:24,289 INFO L158 Benchmark]: Witness Parser took 0.21ms. Allocated memory is still 46.1MB. Free memory was 24.2MB in the beginning and 24.1MB in the end (delta: 54.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:31:24,289 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 46.1MB. Free memory is still 22.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:31:24,292 INFO L158 Benchmark]: CACSL2BoogieTranslator took 538.70ms. Allocated memory is still 75.5MB. Free memory was 45.0MB in the beginning and 45.7MB in the end (delta: -746.5kB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. [2024-10-15 15:31:24,292 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.49ms. Allocated memory is still 75.5MB. Free memory was 45.7MB in the beginning and 44.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 15:31:24,293 INFO L158 Benchmark]: Boogie Preprocessor took 81.72ms. Allocated memory is still 75.5MB. Free memory was 44.3MB in the beginning and 39.4MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-15 15:31:24,294 INFO L158 Benchmark]: RCFGBuilder took 994.65ms. Allocated memory was 75.5MB in the beginning and 102.8MB in the end (delta: 27.3MB). Free memory was 39.4MB in the beginning and 53.5MB in the end (delta: -14.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-10-15 15:31:24,294 INFO L158 Benchmark]: Referee took 191.14ms. Allocated memory is still 102.8MB. Free memory was 53.5MB in the beginning and 43.7MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-15 15:31:24,298 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - ExceptionOrErrorResult: AssertionError: Either subgraph not acyclic or there is a bug de.uni_freiburg.informatik.ultimate.plugins.generator.referee: AssertionError: Either subgraph not acyclic or there is a bug: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:168) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.21ms. Allocated memory is still 46.1MB. Free memory was 24.2MB in the beginning and 24.1MB in the end (delta: 54.0kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.38ms. Allocated memory is still 46.1MB. Free memory is still 22.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 538.70ms. Allocated memory is still 75.5MB. Free memory was 45.0MB in the beginning and 45.7MB in the end (delta: -746.5kB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.49ms. Allocated memory is still 75.5MB. Free memory was 45.7MB in the beginning and 44.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 81.72ms. Allocated memory is still 75.5MB. Free memory was 44.3MB in the beginning and 39.4MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 994.65ms. Allocated memory was 75.5MB in the beginning and 102.8MB in the end (delta: 27.3MB). Free memory was 39.4MB in the beginning and 53.5MB in the end (delta: -14.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Referee took 191.14ms. Allocated memory is still 102.8MB. Free memory was 53.5MB in the beginning and 43.7MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-10-15 15:31:24,334 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...