java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.logsizewrapperfluid.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/forester-heap/sll-circular-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-ba7495b [2019-09-25 15:40:01,642 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-25 15:40:01,644 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-25 15:40:01,659 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-25 15:40:01,659 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-25 15:40:01,660 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-25 15:40:01,662 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-25 15:40:01,664 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-25 15:40:01,665 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-25 15:40:01,666 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-25 15:40:01,667 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-25 15:40:01,668 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-25 15:40:01,669 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-25 15:40:01,670 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-25 15:40:01,670 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-25 15:40:01,672 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-25 15:40:01,672 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-25 15:40:01,673 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-25 15:40:01,675 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-25 15:40:01,677 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-25 15:40:01,679 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-25 15:40:01,680 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-25 15:40:01,681 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-25 15:40:01,682 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-25 15:40:01,685 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-25 15:40:01,686 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-25 15:40:01,686 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-25 15:40:01,687 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-25 15:40:01,690 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-25 15:40:01,692 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-25 15:40:01,692 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-25 15:40:01,693 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-25 15:40:01,693 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-25 15:40:01,694 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-25 15:40:01,697 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-25 15:40:01,698 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-25 15:40:01,699 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-25 15:40:01,699 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-25 15:40:01,699 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-25 15:40:01,700 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-25 15:40:01,701 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-25 15:40:01,701 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-25 15:40:01,717 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-25 15:40:01,717 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-25 15:40:01,718 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-25 15:40:01,718 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-25 15:40:01,719 INFO L138 SettingsManager]: * Use SBE=true [2019-09-25 15:40:01,719 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-25 15:40:01,719 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-25 15:40:01,719 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-25 15:40:01,720 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-25 15:40:01,720 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-25 15:40:01,720 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-25 15:40:01,720 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-25 15:40:01,720 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-25 15:40:01,720 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-25 15:40:01,721 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-25 15:40:01,721 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-25 15:40:01,721 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-25 15:40:01,721 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-25 15:40:01,721 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-25 15:40:01,722 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-25 15:40:01,722 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-25 15:40:01,722 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 15:40:01,722 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-25 15:40:01,723 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-25 15:40:01,723 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-25 15:40:01,723 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-25 15:40:01,723 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-25 15:40:01,723 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-25 15:40:01,724 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: LogSizeWrapperFluid Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-09-25 15:40:01,759 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-25 15:40:01,773 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-25 15:40:01,778 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-25 15:40:01,779 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-25 15:40:01,780 INFO L275 PluginConnector]: CDTParser initialized [2019-09-25 15:40:01,781 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/sll-circular-1.i [2019-09-25 15:40:01,860 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21e787961/665edafd941f4eeebead65a9a253a346/FLAG9eceb2f19 [2019-09-25 15:40:02,412 INFO L306 CDTParser]: Found 1 translation units. [2019-09-25 15:40:02,413 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-circular-1.i [2019-09-25 15:40:02,435 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21e787961/665edafd941f4eeebead65a9a253a346/FLAG9eceb2f19 [2019-09-25 15:40:02,692 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21e787961/665edafd941f4eeebead65a9a253a346 [2019-09-25 15:40:02,701 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-25 15:40:02,702 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-25 15:40:02,703 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-25 15:40:02,704 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-25 15:40:02,707 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-25 15:40:02,708 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:40:02" (1/1) ... [2019-09-25 15:40:02,711 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ea49d19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:40:02, skipping insertion in model container [2019-09-25 15:40:02,712 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:40:02" (1/1) ... [2019-09-25 15:40:02,720 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-25 15:40:02,768 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-25 15:40:03,171 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 15:40:03,180 INFO L188 MainTranslator]: Completed pre-run [2019-09-25 15:40:03,234 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 15:40:03,290 INFO L192 MainTranslator]: Completed translation [2019-09-25 15:40:03,290 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:40:03 WrapperNode [2019-09-25 15:40:03,290 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-25 15:40:03,291 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-25 15:40:03,291 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-25 15:40:03,291 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-25 15:40:03,305 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:40:03" (1/1) ... [2019-09-25 15:40:03,305 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:40:03" (1/1) ... [2019-09-25 15:40:03,333 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:40:03" (1/1) ... [2019-09-25 15:40:03,333 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:40:03" (1/1) ... [2019-09-25 15:40:03,356 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:40:03" (1/1) ... [2019-09-25 15:40:03,362 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:40:03" (1/1) ... [2019-09-25 15:40:03,366 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:40:03" (1/1) ... [2019-09-25 15:40:03,372 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-25 15:40:03,373 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-25 15:40:03,373 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-25 15:40:03,373 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-25 15:40:03,374 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:40:03" (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 [2019-09-25 15:40:03,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-25 15:40:03,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-25 15:40:03,437 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-25 15:40:03,437 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-25 15:40:03,438 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-25 15:40:03,438 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-25 15:40:03,438 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-25 15:40:03,438 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-25 15:40:03,438 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-25 15:40:03,439 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-25 15:40:03,439 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-25 15:40:03,439 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-25 15:40:03,439 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-25 15:40:03,439 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-25 15:40:03,439 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-25 15:40:03,440 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-25 15:40:03,440 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-25 15:40:03,442 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-25 15:40:03,442 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-25 15:40:03,442 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-25 15:40:03,443 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-25 15:40:03,443 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-25 15:40:03,443 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-25 15:40:03,443 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-25 15:40:03,443 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-25 15:40:03,443 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-25 15:40:03,443 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-25 15:40:03,444 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-25 15:40:03,444 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-25 15:40:03,444 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-25 15:40:03,444 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-25 15:40:03,444 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-25 15:40:03,444 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-25 15:40:03,444 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-25 15:40:03,444 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-25 15:40:03,445 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-25 15:40:03,445 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-25 15:40:03,445 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-25 15:40:03,445 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-25 15:40:03,445 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-25 15:40:03,445 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-25 15:40:03,446 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-25 15:40:03,446 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-25 15:40:03,446 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-25 15:40:03,446 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-25 15:40:03,446 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-25 15:40:03,446 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-25 15:40:03,446 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-25 15:40:03,446 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-25 15:40:03,446 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-25 15:40:03,447 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-25 15:40:03,447 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-25 15:40:03,447 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-25 15:40:03,447 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-25 15:40:03,448 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-25 15:40:03,448 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-25 15:40:03,449 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-25 15:40:03,449 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-25 15:40:03,449 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-25 15:40:03,449 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-25 15:40:03,450 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-25 15:40:03,450 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-25 15:40:03,450 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-25 15:40:03,450 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-25 15:40:03,450 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-25 15:40:03,450 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-25 15:40:03,451 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-25 15:40:03,451 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-25 15:40:03,452 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-25 15:40:03,452 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-25 15:40:03,452 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-25 15:40:03,453 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-25 15:40:03,453 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-25 15:40:03,453 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-25 15:40:03,454 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-25 15:40:03,454 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-25 15:40:03,454 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-25 15:40:03,455 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-25 15:40:03,455 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-25 15:40:03,455 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-25 15:40:03,456 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-25 15:40:03,456 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-25 15:40:03,456 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-25 15:40:03,457 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-25 15:40:03,457 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-25 15:40:03,457 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-25 15:40:03,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-25 15:40:03,457 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-25 15:40:03,457 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-25 15:40:03,457 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-25 15:40:03,458 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-25 15:40:03,458 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-25 15:40:03,458 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-25 15:40:03,458 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-25 15:40:03,458 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-25 15:40:03,458 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-25 15:40:03,458 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-25 15:40:03,459 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-25 15:40:03,459 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-25 15:40:03,459 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-25 15:40:03,459 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-25 15:40:03,459 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-25 15:40:03,459 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-25 15:40:03,460 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-25 15:40:03,460 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-25 15:40:03,460 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-25 15:40:03,460 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-25 15:40:03,460 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-25 15:40:03,460 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-25 15:40:03,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-25 15:40:03,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-25 15:40:03,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-25 15:40:03,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-25 15:40:03,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-25 15:40:03,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-25 15:40:03,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-25 15:40:03,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-25 15:40:04,131 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-25 15:40:04,131 INFO L283 CfgBuilder]: Removed 9 assume(true) statements. [2019-09-25 15:40:04,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:40:04 BoogieIcfgContainer [2019-09-25 15:40:04,133 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-25 15:40:04,133 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-25 15:40:04,134 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-25 15:40:04,134 INFO L275 PluginConnector]: Sifa initialized [2019-09-25 15:40:04,135 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:40:04" (1/1) ... [2019-09-25 15:40:04,136 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=ExplicitValueDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-09-25 15:40:04,172 INFO L162 IcfgInterpreter]: Started Sifa with 3 locations of interest [2019-09-25 15:40:04,173 INFO L169 IcfgInterpreter]: Building call graph [2019-09-25 15:40:04,180 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-25 15:40:04,189 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-25 15:40:04,190 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-25 15:40:04,326 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-25 15:40:15,196 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-25 15:40:15,197 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-25 15:40:15,199 INFO L193 IcfgInterpreter]: Reachable states at location mainErr1ASSERT_VIOLATIONERROR_FUNCTION satisfy 948#(and (= 0 main_~x~0.base) (= main_~x~0.offset 0) (exists ((v_main_~x~0.offset_46 Int) (v_main_~x~0.base_48 Int)) (and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_int| v_main_~x~0.base_48) (+ v_main_~x~0.offset_46 4)) main_~state~0) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~x~0.base)))) [2019-09-25 15:40:15,200 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 790#(and (= 0 main_~x~0.base) (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) main_~state~0) (= main_~x~0.offset 0)) [2019-09-25 15:40:15,200 INFO L193 IcfgInterpreter]: Reachable states at location mainErr2ASSERT_VIOLATIONERROR_FUNCTION satisfy 935#(and (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 0)) (not (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 4)))) (< (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 4)) (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) [2019-09-25 15:40:15,218 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-25 15:40:15,219 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-25 15:40:15,220 INFO L168 Benchmark]: Toolchain (without parser) took 12518.51 ms. Allocated memory was 138.9 MB in the beginning and 357.6 MB in the end (delta: 218.6 MB). Free memory was 83.5 MB in the beginning and 169.7 MB in the end (delta: -86.2 MB). Peak memory consumption was 132.5 MB. Max. memory is 7.1 GB. [2019-09-25 15:40:15,221 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 138.9 MB. Free memory was 103.5 MB in the beginning and 103.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-25 15:40:15,222 INFO L168 Benchmark]: CACSL2BoogieTranslator took 587.18 ms. Allocated memory was 138.9 MB in the beginning and 199.2 MB in the end (delta: 60.3 MB). Free memory was 83.1 MB in the beginning and 165.3 MB in the end (delta: -82.2 MB). Peak memory consumption was 22.1 MB. Max. memory is 7.1 GB. [2019-09-25 15:40:15,223 INFO L168 Benchmark]: Boogie Preprocessor took 81.18 ms. Allocated memory is still 199.2 MB. Free memory was 165.3 MB in the beginning and 161.9 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. [2019-09-25 15:40:15,223 INFO L168 Benchmark]: RCFGBuilder took 760.53 ms. Allocated memory is still 199.2 MB. Free memory was 161.9 MB in the beginning and 114.8 MB in the end (delta: 47.1 MB). Peak memory consumption was 47.1 MB. Max. memory is 7.1 GB. [2019-09-25 15:40:15,225 INFO L168 Benchmark]: Sifa took 11085.53 ms. Allocated memory was 199.2 MB in the beginning and 357.6 MB in the end (delta: 158.3 MB). Free memory was 114.8 MB in the beginning and 169.7 MB in the end (delta: -55.0 MB). Peak memory consumption was 103.4 MB. Max. memory is 7.1 GB. [2019-09-25 15:40:15,227 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 138.9 MB. Free memory was 103.5 MB in the beginning and 103.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 587.18 ms. Allocated memory was 138.9 MB in the beginning and 199.2 MB in the end (delta: 60.3 MB). Free memory was 83.1 MB in the beginning and 165.3 MB in the end (delta: -82.2 MB). Peak memory consumption was 22.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 81.18 ms. Allocated memory is still 199.2 MB. Free memory was 165.3 MB in the beginning and 161.9 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 760.53 ms. Allocated memory is still 199.2 MB. Free memory was 161.9 MB in the beginning and 114.8 MB in the end (delta: 47.1 MB). Peak memory consumption was 47.1 MB. Max. memory is 7.1 GB. * Sifa took 11085.53 ms. Allocated memory was 199.2 MB in the beginning and 357.6 MB in the end (delta: 158.3 MB). Free memory was 114.8 MB in the beginning and 169.7 MB in the end (delta: -55.0 MB). Peak memory consumption was 103.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 11028, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 500, DAG_INTERPRETER_EARLY_EXITS: 8, TOOLS_POST_APPLICATIONS: 422, TOOLS_POST_TIME[ms]: 6722, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 17, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 1, TOOLS_QUANTIFIERELIM_APPLICATIONS: 425, TOOLS_QUANTIFIERELIM_TIME[ms]: 6631, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 600, FLUID_QUERY_TIME[ms]: 16, FLUID_QUERIES: 544, FLUID_YES_ANSWERS: 13, DOMAIN_JOIN_APPLICATIONS: 198, DOMAIN_JOIN_TIME[ms]: 275, DOMAIN_ALPHA_APPLICATIONS: 13, DOMAIN_ALPHA_TIME[ms]: 8, DOMAIN_WIDEN_APPLICATIONS: 8, DOMAIN_WIDEN_TIME[ms]: 5, DOMAIN_ISSUBSETEQ_APPLICATIONS: 44, DOMAIN_ISSUBSETEQ_TIME[ms]: 56, DOMAIN_ISBOTTOM_APPLICATIONS: 102, DOMAIN_ISBOTTOM_TIME[ms]: 3762, LOOP_SUMMARIZER_APPLICATIONS: 36, LOOP_SUMMARIZER_CACHE_MISSES: 36, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 8933, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 8932, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 44, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 86, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 86, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 61, DAG_COMPRESSION_PROCESSED_NODES: 895, DAG_COMPRESSION_RETAINED_NODES: 395 - UnprovableResult [Line: 1017]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 948#(and (= 0 main_~x~0.base) (= main_~x~0.offset 0) (exists ((v_main_~x~0.offset_46 Int) (v_main_~x~0.base_48 Int)) (and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_int| v_main_~x~0.base_48) (+ v_main_~x~0.offset_46 4)) main_~state~0) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~x~0.base)))). Possible FailurePath: - UnprovableResult [Line: 1012]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 790#(and (= 0 main_~x~0.base) (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) main_~state~0) (= main_~x~0.offset 0)). Possible FailurePath: - UnprovableResult [Line: 1021]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 935#(and (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 0)) (not (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 4)))) (< (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 4)) (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...