java -ea -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline_WitnessPrinter.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/list-simple/dll2n_update_all_reverse_true-unreach-call_true-valid-memsafety.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-61f4311 [2018-11-23 12:58:02,773 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 12:58:02,775 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 12:58:02,786 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 12:58:02,787 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 12:58:02,788 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 12:58:02,789 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 12:58:02,791 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 12:58:02,793 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 12:58:02,793 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 12:58:02,794 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 12:58:02,794 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 12:58:02,795 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 12:58:02,796 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 12:58:02,798 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 12:58:02,798 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 12:58:02,799 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 12:58:02,801 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 12:58:02,806 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 12:58:02,810 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 12:58:02,811 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 12:58:02,812 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 12:58:02,818 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-11-23 12:58:02,823 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 12:58:02,823 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 12:58:02,824 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 12:58:02,825 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 12:58:02,825 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 12:58:02,844 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 12:58:02,844 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 12:58:02,846 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 12:58:02,846 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 12:58:02,847 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 12:58:02,848 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 12:58:02,848 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 12:58:02,848 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 12:58:02,848 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 12:58:02,848 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 12:58:02,849 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 12:58:02,849 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 12:58:02,849 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 12:58:02,849 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 12:58:02,849 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 12:58:02,850 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 12:58:02,850 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 12:58:02,850 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 12:58:02,850 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 12:58:02,850 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 12:58:02,851 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 12:58:02,851 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 12:58:02,851 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 12:58:02,851 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 12:58:02,852 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 12:58:02,853 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 12:58:02,853 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 12:58:02,853 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 12:58:02,854 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 12:58:02,854 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 12:58:02,854 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 12:58:02,900 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 12:58:02,912 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 12:58:02,916 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 12:58:02,918 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 12:58:02,918 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 12:58:02,919 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/dll2n_update_all_reverse_true-unreach-call_true-valid-memsafety.i [2018-11-23 12:58:02,974 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74ac30e96/03bd269723ed4778a7850eb0bba33349/FLAG484d4b527 [2018-11-23 12:58:03,467 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 12:58:03,468 INFO L161 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/dll2n_update_all_reverse_true-unreach-call_true-valid-memsafety.i [2018-11-23 12:58:03,482 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74ac30e96/03bd269723ed4778a7850eb0bba33349/FLAG484d4b527 [2018-11-23 12:58:03,746 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74ac30e96/03bd269723ed4778a7850eb0bba33349 [2018-11-23 12:58:03,756 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 12:58:03,757 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 12:58:03,758 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 12:58:03,758 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 12:58:03,762 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 12:58:03,764 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:58:03" (1/1) ... [2018-11-23 12:58:03,767 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@125e7471 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:58:03, skipping insertion in model container [2018-11-23 12:58:03,767 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:58:03" (1/1) ... [2018-11-23 12:58:03,778 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 12:58:03,835 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 12:58:04,181 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:58:04,202 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 12:58:04,292 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:58:04,355 INFO L195 MainTranslator]: Completed translation [2018-11-23 12:58:04,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:58:04 WrapperNode [2018-11-23 12:58:04,355 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 12:58:04,357 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 12:58:04,357 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 12:58:04,357 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 12:58:04,441 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:58:04" (1/1) ... [2018-11-23 12:58:04,463 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:58:04" (1/1) ... [2018-11-23 12:58:04,472 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 12:58:04,472 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 12:58:04,472 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 12:58:04,473 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 12:58:04,481 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:58:04" (1/1) ... [2018-11-23 12:58:04,481 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:58:04" (1/1) ... [2018-11-23 12:58:04,486 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:58:04" (1/1) ... [2018-11-23 12:58:04,486 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:58:04" (1/1) ... [2018-11-23 12:58:04,515 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:58:04" (1/1) ... [2018-11-23 12:58:04,529 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:58:04" (1/1) ... [2018-11-23 12:58:04,533 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:58:04" (1/1) ... [2018-11-23 12:58:04,536 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 12:58:04,536 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 12:58:04,537 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 12:58:04,537 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 12:58:04,538 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:58:04" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 12:58:04,609 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy [2018-11-23 12:58:04,610 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy [2018-11-23 12:58:04,610 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 12:58:04,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 12:58:04,610 INFO L130 BoogieDeclarations]: Found specification of procedure dll_get_data_at [2018-11-23 12:58:04,610 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_get_data_at [2018-11-23 12:58:04,612 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 12:58:04,612 INFO L138 BoogieDeclarations]: Found implementation of procedure exit [2018-11-23 12:58:04,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 12:58:04,612 INFO L130 BoogieDeclarations]: Found specification of procedure dll_update_at [2018-11-23 12:58:04,612 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_update_at [2018-11-23 12:58:04,612 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 12:58:04,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 12:58:04,613 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 12:58:04,613 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 12:58:04,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-23 12:58:04,613 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-23 12:58:04,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 12:58:04,614 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create [2018-11-23 12:58:04,614 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create [2018-11-23 12:58:04,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 12:58:04,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 12:58:05,805 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 12:58:05,806 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2018-11-23 12:58:05,808 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:58:05 BoogieIcfgContainer [2018-11-23 12:58:05,808 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 12:58:05,809 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 12:58:05,809 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 12:58:05,813 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 12:58:05,813 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 12:58:03" (1/3) ... [2018-11-23 12:58:05,814 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28ce947c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:58:05, skipping insertion in model container [2018-11-23 12:58:05,814 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:58:04" (2/3) ... [2018-11-23 12:58:05,815 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28ce947c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:58:05, skipping insertion in model container [2018-11-23 12:58:05,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:58:05" (3/3) ... [2018-11-23 12:58:05,817 INFO L112 eAbstractionObserver]: Analyzing ICFG dll2n_update_all_reverse_true-unreach-call_true-valid-memsafety.i [2018-11-23 12:58:05,828 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 12:58:05,837 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 12:58:05,856 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 12:58:05,887 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 12:58:05,888 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 12:58:05,888 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 12:58:05,888 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 12:58:05,888 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 12:58:05,888 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 12:58:05,888 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 12:58:05,889 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 12:58:05,889 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 12:58:05,910 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states. [2018-11-23 12:58:05,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-23 12:58:05,918 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:58:05,920 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:58:05,922 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:58:05,929 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:58:05,929 INFO L82 PathProgramCache]: Analyzing trace with hash -529366065, now seen corresponding path program 1 times [2018-11-23 12:58:05,931 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:58:05,932 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:58:05,983 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:58:05,983 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:58:05,984 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:58:06,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:58:06,333 INFO L256 TraceCheckUtils]: 0: Hoare triple {54#true} call ULTIMATE.init(); {54#true} is VALID [2018-11-23 12:58:06,337 INFO L273 TraceCheckUtils]: 1: Hoare triple {54#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; {54#true} is VALID [2018-11-23 12:58:06,337 INFO L273 TraceCheckUtils]: 2: Hoare triple {54#true} assume true; {54#true} is VALID [2018-11-23 12:58:06,338 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {54#true} {54#true} #138#return; {54#true} is VALID [2018-11-23 12:58:06,338 INFO L256 TraceCheckUtils]: 4: Hoare triple {54#true} call #t~ret15 := main(); {54#true} is VALID [2018-11-23 12:58:06,339 INFO L273 TraceCheckUtils]: 5: Hoare triple {54#true} ~len~0 := 2;~data~0 := 1; {56#(<= 2 main_~len~0)} is VALID [2018-11-23 12:58:06,340 INFO L256 TraceCheckUtils]: 6: Hoare triple {56#(<= 2 main_~len~0)} call #t~ret11.base, #t~ret11.offset := dll_create(~len~0, ~data~0); {54#true} is VALID [2018-11-23 12:58:06,340 INFO L273 TraceCheckUtils]: 7: Hoare triple {54#true} ~len := #in~len;~data := #in~data;~head~0.base, ~head~0.offset := 0, 0; {54#true} is VALID [2018-11-23 12:58:06,340 INFO L273 TraceCheckUtils]: 8: Hoare triple {54#true} assume !(~len > 0); {54#true} is VALID [2018-11-23 12:58:06,341 INFO L273 TraceCheckUtils]: 9: Hoare triple {54#true} #res.base, #res.offset := ~head~0.base, ~head~0.offset; {54#true} is VALID [2018-11-23 12:58:06,341 INFO L273 TraceCheckUtils]: 10: Hoare triple {54#true} assume true; {54#true} is VALID [2018-11-23 12:58:06,357 INFO L268 TraceCheckUtils]: 11: Hoare quadruple {54#true} {56#(<= 2 main_~len~0)} #128#return; {56#(<= 2 main_~len~0)} is VALID [2018-11-23 12:58:06,373 INFO L273 TraceCheckUtils]: 12: Hoare triple {56#(<= 2 main_~len~0)} ~s~0.base, ~s~0.offset := #t~ret11.base, #t~ret11.offset;havoc #t~ret11.base, #t~ret11.offset;havoc ~i~0;~i~0 := ~len~0 - 1; {57#(<= 1 main_~i~0)} is VALID [2018-11-23 12:58:06,374 INFO L273 TraceCheckUtils]: 13: Hoare triple {57#(<= 1 main_~i~0)} assume !(~i~0 >= 0); {55#false} is VALID [2018-11-23 12:58:06,375 INFO L273 TraceCheckUtils]: 14: Hoare triple {55#false} ~i~0 := ~len~0 - 1; {55#false} is VALID [2018-11-23 12:58:06,375 INFO L273 TraceCheckUtils]: 15: Hoare triple {55#false} assume !!(~i~0 <= 0);~expected~0 := ~i~0 + ~len~0; {55#false} is VALID [2018-11-23 12:58:06,375 INFO L256 TraceCheckUtils]: 16: Hoare triple {55#false} call #t~ret14 := dll_get_data_at(~s~0.base, ~s~0.offset, ~i~0); {54#true} is VALID [2018-11-23 12:58:06,375 INFO L273 TraceCheckUtils]: 17: Hoare triple {54#true} ~head.base, ~head.offset := #in~head.base, #in~head.offset;~index := #in~index; {54#true} is VALID [2018-11-23 12:58:06,376 INFO L273 TraceCheckUtils]: 18: Hoare triple {54#true} assume !(~index > 0); {54#true} is VALID [2018-11-23 12:58:06,376 INFO L273 TraceCheckUtils]: 19: Hoare triple {54#true} call #t~mem8 := read~int(~head.base, ~head.offset, 4);#res := #t~mem8;havoc #t~mem8; {54#true} is VALID [2018-11-23 12:58:06,376 INFO L273 TraceCheckUtils]: 20: Hoare triple {54#true} assume true; {54#true} is VALID [2018-11-23 12:58:06,377 INFO L268 TraceCheckUtils]: 21: Hoare quadruple {54#true} {55#false} #132#return; {55#false} is VALID [2018-11-23 12:58:06,377 INFO L273 TraceCheckUtils]: 22: Hoare triple {55#false} assume -2147483648 <= #t~ret14 && #t~ret14 <= 2147483647; {55#false} is VALID [2018-11-23 12:58:06,377 INFO L273 TraceCheckUtils]: 23: Hoare triple {55#false} assume ~expected~0 != #t~ret14;havoc #t~ret14; {55#false} is VALID [2018-11-23 12:58:06,378 INFO L273 TraceCheckUtils]: 24: Hoare triple {55#false} assume !false; {55#false} is VALID [2018-11-23 12:58:06,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:58:06,386 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:58:06,386 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 12:58:06,392 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 25 [2018-11-23 12:58:06,395 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 12:58:06,399 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2018-11-23 12:58:06,478 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 25 edges. 25 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:58:06,478 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 12:58:06,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 12:58:06,487 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 12:58:06,489 INFO L87 Difference]: Start difference. First operand 51 states. Second operand 4 states. [2018-11-23 12:58:07,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:58:07,327 INFO L93 Difference]: Finished difference Result 78 states and 105 transitions. [2018-11-23 12:58:07,327 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 12:58:07,327 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 25 [2018-11-23 12:58:07,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:58:07,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-23 12:58:07,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 105 transitions. [2018-11-23 12:58:07,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-23 12:58:07,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 105 transitions. [2018-11-23 12:58:07,363 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 105 transitions. [2018-11-23 12:58:07,868 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 105 edges. 105 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:58:07,876 INFO L225 Difference]: With dead ends: 78 [2018-11-23 12:58:07,876 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 12:58:07,880 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 12:58:07,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 12:58:07,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 12:58:07,903 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 12:58:07,904 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2018-11-23 12:58:07,904 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2018-11-23 12:58:07,905 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2018-11-23 12:58:07,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:58:07,905 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-23 12:58:07,905 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 12:58:07,906 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:58:07,906 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:58:07,906 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2018-11-23 12:58:07,906 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2018-11-23 12:58:07,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:58:07,907 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-23 12:58:07,907 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 12:58:07,907 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:58:07,907 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:58:07,907 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 12:58:07,908 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 12:58:07,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 12:58:07,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 12:58:07,909 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2018-11-23 12:58:07,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:58:07,910 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 12:58:07,910 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 12:58:07,910 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 12:58:07,910 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:58:07,915 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 12:58:08,098 INFO L451 ceAbstractionStarter]: At program point L607-2(lines 607 610) the Hoare annotation is: true [2018-11-23 12:58:08,099 INFO L448 ceAbstractionStarter]: For program point L607-3(lines 607 610) no Hoare annotation was computed. [2018-11-23 12:58:08,099 INFO L451 ceAbstractionStarter]: At program point dll_update_atENTRY(lines 606 612) the Hoare annotation is: true [2018-11-23 12:58:08,099 INFO L448 ceAbstractionStarter]: For program point dll_update_atEXIT(lines 606 612) no Hoare annotation was computed. [2018-11-23 12:58:08,100 INFO L448 ceAbstractionStarter]: For program point dll_update_atFINAL(lines 606 612) no Hoare annotation was computed. [2018-11-23 12:58:08,100 INFO L448 ceAbstractionStarter]: For program point exitEXIT(lines 561 563) no Hoare annotation was computed. [2018-11-23 12:58:08,100 INFO L451 ceAbstractionStarter]: At program point exitENTRY(lines 561 563) the Hoare annotation is: true [2018-11-23 12:58:08,100 INFO L448 ceAbstractionStarter]: For program point exitFINAL(lines 561 563) no Hoare annotation was computed. [2018-11-23 12:58:08,100 INFO L451 ceAbstractionStarter]: At program point L562(line 562) the Hoare annotation is: true [2018-11-23 12:58:08,101 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 12:58:08,101 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-23 12:58:08,101 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 12:58:08,101 INFO L448 ceAbstractionStarter]: For program point L578-1(lines 578 580) no Hoare annotation was computed. [2018-11-23 12:58:08,101 INFO L451 ceAbstractionStarter]: At program point dll_createENTRY(lines 574 591) the Hoare annotation is: true [2018-11-23 12:58:08,101 INFO L451 ceAbstractionStarter]: At program point L576-2(lines 576 589) the Hoare annotation is: true [2018-11-23 12:58:08,101 INFO L448 ceAbstractionStarter]: For program point L576-3(lines 576 589) no Hoare annotation was computed. [2018-11-23 12:58:08,101 INFO L448 ceAbstractionStarter]: For program point dll_createFINAL(lines 574 591) no Hoare annotation was computed. [2018-11-23 12:58:08,102 INFO L451 ceAbstractionStarter]: At program point L579(line 579) the Hoare annotation is: true [2018-11-23 12:58:08,102 INFO L448 ceAbstractionStarter]: For program point dll_createEXIT(lines 574 591) no Hoare annotation was computed. [2018-11-23 12:58:08,102 INFO L448 ceAbstractionStarter]: For program point L584(lines 584 586) no Hoare annotation was computed. [2018-11-23 12:58:08,102 INFO L448 ceAbstractionStarter]: For program point L584-2(lines 584 586) no Hoare annotation was computed. [2018-11-23 12:58:08,102 INFO L448 ceAbstractionStarter]: For program point L578(lines 578 580) no Hoare annotation was computed. [2018-11-23 12:58:08,102 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 12:58:08,103 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-23 12:58:08,103 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 12:58:08,103 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 12:58:08,103 INFO L451 ceAbstractionStarter]: At program point L600-2(lines 600 603) the Hoare annotation is: true [2018-11-23 12:58:08,103 INFO L448 ceAbstractionStarter]: For program point L600-3(lines 600 603) no Hoare annotation was computed. [2018-11-23 12:58:08,103 INFO L448 ceAbstractionStarter]: For program point dll_get_data_atFINAL(lines 599 605) no Hoare annotation was computed. [2018-11-23 12:58:08,103 INFO L451 ceAbstractionStarter]: At program point dll_get_data_atENTRY(lines 599 605) the Hoare annotation is: true [2018-11-23 12:58:08,104 INFO L448 ceAbstractionStarter]: For program point dll_get_data_atEXIT(lines 599 605) no Hoare annotation was computed. [2018-11-23 12:58:08,104 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 613 632) no Hoare annotation was computed. [2018-11-23 12:58:08,104 INFO L448 ceAbstractionStarter]: For program point L628(line 628) no Hoare annotation was computed. [2018-11-23 12:58:08,104 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 630) no Hoare annotation was computed. [2018-11-23 12:58:08,104 INFO L444 ceAbstractionStarter]: At program point L624(line 624) the Hoare annotation is: false [2018-11-23 12:58:08,104 INFO L448 ceAbstractionStarter]: For program point L624-1(line 624) no Hoare annotation was computed. [2018-11-23 12:58:08,105 INFO L448 ceAbstractionStarter]: For program point L624-2(lines 624 626) no Hoare annotation was computed. [2018-11-23 12:58:08,105 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 613 632) no Hoare annotation was computed. [2018-11-23 12:58:08,105 INFO L444 ceAbstractionStarter]: At program point L620(line 620) the Hoare annotation is: (<= 2 main_~len~0) [2018-11-23 12:58:08,105 INFO L448 ceAbstractionStarter]: For program point L622-2(lines 622 627) no Hoare annotation was computed. [2018-11-23 12:58:08,105 INFO L448 ceAbstractionStarter]: For program point L620-1(lines 618 621) no Hoare annotation was computed. [2018-11-23 12:58:08,106 INFO L444 ceAbstractionStarter]: At program point L622-3(lines 622 627) the Hoare annotation is: (and (<= 1 main_~i~0) (<= 2 main_~len~0)) [2018-11-23 12:58:08,106 INFO L444 ceAbstractionStarter]: At program point L622-4(lines 622 627) the Hoare annotation is: (and (<= 1 main_~i~0) (<= 2 main_~len~0)) [2018-11-23 12:58:08,106 INFO L444 ceAbstractionStarter]: At program point L616(line 616) the Hoare annotation is: (<= 2 main_~len~0) [2018-11-23 12:58:08,106 INFO L444 ceAbstractionStarter]: At program point L618-2(lines 618 621) the Hoare annotation is: (<= 2 main_~len~0) [2018-11-23 12:58:08,106 INFO L448 ceAbstractionStarter]: For program point L616-1(line 616) no Hoare annotation was computed. [2018-11-23 12:58:08,106 INFO L448 ceAbstractionStarter]: For program point L618-3(lines 618 621) no Hoare annotation was computed. [2018-11-23 12:58:08,106 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 613 632) the Hoare annotation is: true [2018-11-23 12:58:08,107 INFO L444 ceAbstractionStarter]: At program point L625(lines 613 632) the Hoare annotation is: false [2018-11-23 12:58:08,107 INFO L448 ceAbstractionStarter]: For program point dll_destroyEXIT(lines 592 598) no Hoare annotation was computed. [2018-11-23 12:58:08,107 INFO L451 ceAbstractionStarter]: At program point dll_destroyENTRY(lines 592 598) the Hoare annotation is: true [2018-11-23 12:58:08,107 INFO L451 ceAbstractionStarter]: At program point L593-2(lines 593 597) the Hoare annotation is: true [2018-11-23 12:58:08,107 INFO L448 ceAbstractionStarter]: For program point L593-3(lines 592 598) no Hoare annotation was computed. [2018-11-23 12:58:08,109 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2018-11-23 12:58:08,109 WARN L170 areAnnotationChecker]: L607-3 has no Hoare annotation [2018-11-23 12:58:08,110 WARN L170 areAnnotationChecker]: L607-3 has no Hoare annotation [2018-11-23 12:58:08,110 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2018-11-23 12:58:08,110 WARN L170 areAnnotationChecker]: L576-3 has no Hoare annotation [2018-11-23 12:58:08,110 WARN L170 areAnnotationChecker]: L576-3 has no Hoare annotation [2018-11-23 12:58:08,110 WARN L170 areAnnotationChecker]: L578 has no Hoare annotation [2018-11-23 12:58:08,110 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2018-11-23 12:58:08,110 WARN L170 areAnnotationChecker]: L600-3 has no Hoare annotation [2018-11-23 12:58:08,110 WARN L170 areAnnotationChecker]: L600-3 has no Hoare annotation [2018-11-23 12:58:08,111 WARN L170 areAnnotationChecker]: L616-1 has no Hoare annotation [2018-11-23 12:58:08,111 WARN L170 areAnnotationChecker]: L593-3 has no Hoare annotation [2018-11-23 12:58:08,111 WARN L170 areAnnotationChecker]: L593-3 has no Hoare annotation [2018-11-23 12:58:08,111 WARN L170 areAnnotationChecker]: L607-3 has no Hoare annotation [2018-11-23 12:58:08,111 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2018-11-23 12:58:08,111 WARN L170 areAnnotationChecker]: L576-3 has no Hoare annotation [2018-11-23 12:58:08,111 WARN L170 areAnnotationChecker]: L578 has no Hoare annotation [2018-11-23 12:58:08,111 WARN L170 areAnnotationChecker]: L578 has no Hoare annotation [2018-11-23 12:58:08,111 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2018-11-23 12:58:08,112 WARN L170 areAnnotationChecker]: L600-3 has no Hoare annotation [2018-11-23 12:58:08,112 WARN L170 areAnnotationChecker]: L616-1 has no Hoare annotation [2018-11-23 12:58:08,112 WARN L170 areAnnotationChecker]: L593-3 has no Hoare annotation [2018-11-23 12:58:08,112 WARN L170 areAnnotationChecker]: dll_update_atFINAL has no Hoare annotation [2018-11-23 12:58:08,112 WARN L170 areAnnotationChecker]: dll_createFINAL has no Hoare annotation [2018-11-23 12:58:08,112 WARN L170 areAnnotationChecker]: L578-1 has no Hoare annotation [2018-11-23 12:58:08,113 WARN L170 areAnnotationChecker]: L578-1 has no Hoare annotation [2018-11-23 12:58:08,113 WARN L170 areAnnotationChecker]: dll_get_data_atFINAL has no Hoare annotation [2018-11-23 12:58:08,113 WARN L170 areAnnotationChecker]: L618-3 has no Hoare annotation [2018-11-23 12:58:08,113 WARN L170 areAnnotationChecker]: L618-3 has no Hoare annotation [2018-11-23 12:58:08,114 WARN L170 areAnnotationChecker]: dll_destroyEXIT has no Hoare annotation [2018-11-23 12:58:08,114 WARN L170 areAnnotationChecker]: dll_update_atEXIT has no Hoare annotation [2018-11-23 12:58:08,114 WARN L170 areAnnotationChecker]: dll_createEXIT has no Hoare annotation [2018-11-23 12:58:08,114 WARN L170 areAnnotationChecker]: L584 has no Hoare annotation [2018-11-23 12:58:08,114 WARN L170 areAnnotationChecker]: L584 has no Hoare annotation [2018-11-23 12:58:08,115 WARN L170 areAnnotationChecker]: dll_get_data_atEXIT has no Hoare annotation [2018-11-23 12:58:08,115 WARN L170 areAnnotationChecker]: L618-3 has no Hoare annotation [2018-11-23 12:58:08,115 WARN L170 areAnnotationChecker]: L620-1 has no Hoare annotation [2018-11-23 12:58:08,115 WARN L170 areAnnotationChecker]: L628 has no Hoare annotation [2018-11-23 12:58:08,115 WARN L170 areAnnotationChecker]: L620-1 has no Hoare annotation [2018-11-23 12:58:08,115 WARN L170 areAnnotationChecker]: L584-2 has no Hoare annotation [2018-11-23 12:58:08,115 WARN L170 areAnnotationChecker]: L624-1 has no Hoare annotation [2018-11-23 12:58:08,117 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2018-11-23 12:58:08,117 WARN L170 areAnnotationChecker]: L624-2 has no Hoare annotation [2018-11-23 12:58:08,117 WARN L170 areAnnotationChecker]: L624-2 has no Hoare annotation [2018-11-23 12:58:08,117 WARN L170 areAnnotationChecker]: L628 has no Hoare annotation [2018-11-23 12:58:08,118 WARN L170 areAnnotationChecker]: L624-1 has no Hoare annotation [2018-11-23 12:58:08,118 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2018-11-23 12:58:08,118 WARN L170 areAnnotationChecker]: mainErr0ASSERT_VIOLATIONERROR_FUNCTION has no Hoare annotation [2018-11-23 12:58:08,118 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2018-11-23 12:58:08,118 WARN L170 areAnnotationChecker]: L622-2 has no Hoare annotation [2018-11-23 12:58:08,118 INFO L163 areAnnotationChecker]: CFG has 21 edges. 21 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2018-11-23 12:58:08,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 12:58:08 BoogieIcfgContainer [2018-11-23 12:58:08,128 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 12:58:08,129 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 12:58:08,129 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 12:58:08,129 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 12:58:08,130 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:58:05" (3/4) ... [2018-11-23 12:58:08,133 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 12:58:08,141 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure dll_update_at [2018-11-23 12:58:08,141 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure exit [2018-11-23 12:58:08,142 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 12:58:08,142 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure dll_create [2018-11-23 12:58:08,142 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure dll_get_data_at [2018-11-23 12:58:08,142 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 12:58:08,143 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure dll_destroy [2018-11-23 12:58:08,148 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-11-23 12:58:08,149 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-23 12:58:08,149 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 12:58:08,230 INFO L145 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/list-simple/dll2n_update_all_reverse_true-unreach-call_true-valid-memsafety.i-witness.graphml [2018-11-23 12:58:08,230 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 12:58:08,232 INFO L168 Benchmark]: Toolchain (without parser) took 4475.80 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 708.3 MB). Free memory was 1.4 GB in the beginning and 2.0 GB in the end (delta: -626.2 MB). Peak memory consumption was 82.1 MB. Max. memory is 7.1 GB. [2018-11-23 12:58:08,234 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-23 12:58:08,235 INFO L168 Benchmark]: CACSL2BoogieTranslator took 598.03 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-11-23 12:58:08,236 INFO L168 Benchmark]: Boogie Procedure Inliner took 115.57 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 708.3 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -799.8 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. [2018-11-23 12:58:08,236 INFO L168 Benchmark]: Boogie Preprocessor took 63.79 ms. Allocated memory is still 2.2 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-23 12:58:08,237 INFO L168 Benchmark]: RCFGBuilder took 1271.53 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 35.5 MB). Peak memory consumption was 35.5 MB. Max. memory is 7.1 GB. [2018-11-23 12:58:08,237 INFO L168 Benchmark]: TraceAbstraction took 2319.84 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 106.5 MB). Peak memory consumption was 106.5 MB. Max. memory is 7.1 GB. [2018-11-23 12:58:08,238 INFO L168 Benchmark]: Witness Printer took 101.57 ms. Allocated memory is still 2.2 GB. Free memory is still 2.0 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-23 12:58:08,242 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - GenericResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 598.03 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 115.57 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 708.3 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -799.8 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 63.79 ms. Allocated memory is still 2.2 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 1271.53 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 35.5 MB). Peak memory consumption was 35.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2319.84 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 106.5 MB). Peak memory consumption was 106.5 MB. Max. memory is 7.1 GB. * Witness Printer took 101.57 ms. Allocated memory is still 2.2 GB. Free memory is still 2.0 GB. There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 630]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 618]: Loop Invariant Derived loop invariant: 2 <= len - InvariantResult [Line: 607]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 562]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 613]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: 1 <= i && 2 <= len - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 53 locations, 1 error locations. SAFE Result, 2.2s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 1.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 41 SDtfs, 13 SDslu, 69 SDs, 0 SdLazy, 8 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=51occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 22 LocationsWithAnnotation, 28 PreInvPairs, 34 NumberOfFragments, 40 HoareAnnotationTreeSize, 28 FomulaSimplifications, 16 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 22 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 720 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...