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 AlwaysFluid --sifa.intern.fluid AlwaysFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/list-simple/sll2n_prepend_equal.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 22:27:52,625 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 22:27:52,627 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 22:27:52,639 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 22:27:52,640 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 22:27:52,641 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 22:27:52,642 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 22:27:52,644 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 22:27:52,646 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 22:27:52,647 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 22:27:52,648 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 22:27:52,649 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 22:27:52,649 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 22:27:52,651 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 22:27:52,652 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 22:27:52,653 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 22:27:52,654 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 22:27:52,655 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 22:27:52,656 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 22:27:52,661 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 22:27:52,662 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 22:27:52,666 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 22:27:52,669 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 22:27:52,670 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 22:27:52,675 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 22:27:52,677 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 22:27:52,677 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 22:27:52,678 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 22:27:52,678 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 22:27:52,679 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 22:27:52,680 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 22:27:52,680 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 22:27:52,681 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 22:27:52,682 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 22:27:52,683 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 22:27:52,683 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 22:27:52,684 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 22:27:52,684 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 22:27:52,684 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 22:27:52,685 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 22:27:52,686 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 22:27:52,687 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 [2019-09-20 22:27:52,701 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 22:27:52,701 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 22:27:52,703 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 22:27:52,703 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 22:27:52,703 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 22:27:52,703 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 22:27:52,703 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 22:27:52,704 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 22:27:52,704 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 22:27:52,704 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 22:27:52,704 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 22:27:52,704 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 22:27:52,705 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 22:27:52,705 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 22:27:52,705 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 22:27:52,705 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 22:27:52,705 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 22:27:52,706 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 22:27:52,706 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 22:27:52,706 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 22:27:52,706 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 22:27:52,706 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 22:27:52,707 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 22:27:52,707 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 22:27:52,707 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 22:27:52,707 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 22:27:52,707 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 22:27:52,708 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 22:27:52,708 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 -> AlwaysFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> AlwaysFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 22:27:52,740 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 22:27:52,757 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 22:27:52,761 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 22:27:52,762 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 22:27:52,763 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 22:27:52,763 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/sll2n_prepend_equal.i [2019-09-20 22:27:52,837 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6b96d50a/9d316b1f59764680bccf08141166fb64/FLAG910e2343b [2019-09-20 22:27:53,405 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 22:27:53,406 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/sll2n_prepend_equal.i [2019-09-20 22:27:53,420 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6b96d50a/9d316b1f59764680bccf08141166fb64/FLAG910e2343b [2019-09-20 22:27:53,684 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6b96d50a/9d316b1f59764680bccf08141166fb64 [2019-09-20 22:27:53,698 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 22:27:53,700 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 22:27:53,701 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 22:27:53,702 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 22:27:53,705 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 22:27:53,707 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 10:27:53" (1/1) ... [2019-09-20 22:27:53,710 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b20aa1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:27:53, skipping insertion in model container [2019-09-20 22:27:53,710 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 10:27:53" (1/1) ... [2019-09-20 22:27:53,719 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 22:27:53,794 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 22:27:54,334 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 22:27:54,347 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 22:27:54,415 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 22:27:54,472 INFO L192 MainTranslator]: Completed translation [2019-09-20 22:27:54,473 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:27:54 WrapperNode [2019-09-20 22:27:54,473 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 22:27:54,474 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 22:27:54,474 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 22:27:54,474 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 22:27:54,488 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:27:54" (1/1) ... [2019-09-20 22:27:54,488 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:27:54" (1/1) ... [2019-09-20 22:27:54,505 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:27:54" (1/1) ... [2019-09-20 22:27:54,505 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:27:54" (1/1) ... [2019-09-20 22:27:54,527 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:27:54" (1/1) ... [2019-09-20 22:27:54,533 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:27:54" (1/1) ... [2019-09-20 22:27:54,536 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:27:54" (1/1) ... [2019-09-20 22:27:54,543 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 22:27:54,544 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 22:27:54,544 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 22:27:54,544 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 22:27:54,545 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:27:54" (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 [2019-09-20 22:27:54,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 22:27:54,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 22:27:54,617 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-20 22:27:54,617 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-20 22:27:54,618 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-20 22:27:54,618 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-09-20 22:27:54,619 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_create [2019-09-20 22:27:54,619 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_destroy [2019-09-20 22:27:54,620 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_prepend [2019-09-20 22:27:54,620 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 22:27:54,620 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 22:27:54,621 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-20 22:27:54,621 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-20 22:27:54,621 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-20 22:27:54,622 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-20 22:27:54,622 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-20 22:27:54,625 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-20 22:27:54,625 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-20 22:27:54,625 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-20 22:27:54,625 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-20 22:27:54,626 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-20 22:27:54,626 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-20 22:27:54,626 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-20 22:27:54,626 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-20 22:27:54,626 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-20 22:27:54,626 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-20 22:27:54,627 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-20 22:27:54,627 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-20 22:27:54,627 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-20 22:27:54,627 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-20 22:27:54,628 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-20 22:27:54,628 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-20 22:27:54,628 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-20 22:27:54,628 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-20 22:27:54,628 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-20 22:27:54,629 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-20 22:27:54,629 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-20 22:27:54,629 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-20 22:27:54,629 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-20 22:27:54,629 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-20 22:27:54,630 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-20 22:27:54,630 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-20 22:27:54,630 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-20 22:27:54,630 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-20 22:27:54,630 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-20 22:27:54,630 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-20 22:27:54,630 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-20 22:27:54,631 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-20 22:27:54,631 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-20 22:27:54,631 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-20 22:27:54,631 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-20 22:27:54,631 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-20 22:27:54,631 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-20 22:27:54,631 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-20 22:27:54,632 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-20 22:27:54,632 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-20 22:27:54,632 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-20 22:27:54,633 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-20 22:27:54,633 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-20 22:27:54,633 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-20 22:27:54,633 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-20 22:27:54,634 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-20 22:27:54,634 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-20 22:27:54,634 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 22:27:54,634 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-20 22:27:54,634 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-20 22:27:54,634 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 22:27:54,634 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-20 22:27:54,635 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-20 22:27:54,636 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-20 22:27:54,636 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-20 22:27:54,636 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-20 22:27:54,636 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-20 22:27:54,637 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-20 22:27:54,637 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-20 22:27:54,637 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-20 22:27:54,638 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-20 22:27:54,638 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-20 22:27:54,638 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-20 22:27:54,639 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-20 22:27:54,639 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-20 22:27:54,639 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-20 22:27:54,640 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-20 22:27:54,640 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-20 22:27:54,640 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-20 22:27:54,640 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-20 22:27:54,641 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-20 22:27:54,641 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-20 22:27:54,641 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-20 22:27:54,641 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-20 22:27:54,641 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-20 22:27:54,642 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-20 22:27:54,642 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-20 22:27:54,642 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-20 22:27:54,642 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-20 22:27:54,642 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-20 22:27:54,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-20 22:27:54,642 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-20 22:27:54,643 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-20 22:27:54,643 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-20 22:27:54,643 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-20 22:27:54,643 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-20 22:27:54,643 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-20 22:27:54,643 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-20 22:27:54,643 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-20 22:27:54,644 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-20 22:27:54,644 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-20 22:27:54,644 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-20 22:27:54,644 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-20 22:27:54,644 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-20 22:27:54,644 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-20 22:27:54,644 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-20 22:27:54,645 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-20 22:27:54,645 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-20 22:27:54,645 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-20 22:27:54,645 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-20 22:27:54,645 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-20 22:27:54,645 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-09-20 22:27:54,646 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 22:27:54,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 22:27:54,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 22:27:54,647 INFO L130 BoogieDeclarations]: Found specification of procedure sll_create [2019-09-20 22:27:54,647 INFO L130 BoogieDeclarations]: Found specification of procedure sll_destroy [2019-09-20 22:27:54,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 22:27:54,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 22:27:54,647 INFO L130 BoogieDeclarations]: Found specification of procedure sll_prepend [2019-09-20 22:27:54,648 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 22:27:54,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 22:27:54,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-20 22:27:54,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 22:27:54,648 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 22:27:54,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 22:27:55,048 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-20 22:27:55,308 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 22:27:55,309 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-09-20 22:27:55,310 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 10:27:55 BoogieIcfgContainer [2019-09-20 22:27:55,310 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 22:27:55,311 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 22:27:55,311 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 22:27:55,311 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 22:27:55,313 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 10:27:55" (1/1) ... [2019-09-20 22:27:55,313 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=AlwaysFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=AlwaysFluid [2019-09-20 22:27:55,337 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 22:27:55,337 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 22:27:55,345 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 22:27:55,355 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 22:27:55,356 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 22:27:55,513 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 16 for LOIs [2019-09-20 22:27:55,710 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-20 22:27:56,229 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 22:27:56,230 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 22:27:56,233 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 86#true [2019-09-20 22:27:56,253 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 22:27:56,254 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 22:27:56,257 INFO L168 Benchmark]: Toolchain (without parser) took 2555.79 ms. Allocated memory was 136.3 MB in the beginning and 230.7 MB in the end (delta: 94.4 MB). Free memory was 90.9 MB in the beginning and 150.4 MB in the end (delta: -59.5 MB). Peak memory consumption was 34.9 MB. Max. memory is 7.1 GB. [2019-09-20 22:27:56,258 INFO L168 Benchmark]: CDTParser took 1.24 ms. Allocated memory is still 136.3 MB. Free memory was 110.7 MB in the beginning and 110.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 22:27:56,259 INFO L168 Benchmark]: CACSL2BoogieTranslator took 772.20 ms. Allocated memory was 136.3 MB in the beginning and 199.8 MB in the end (delta: 63.4 MB). Free memory was 90.7 MB in the beginning and 162.9 MB in the end (delta: -72.1 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. [2019-09-20 22:27:56,259 INFO L168 Benchmark]: Boogie Preprocessor took 69.21 ms. Allocated memory is still 199.8 MB. Free memory was 162.9 MB in the beginning and 160.0 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2019-09-20 22:27:56,271 INFO L168 Benchmark]: RCFGBuilder took 766.93 ms. Allocated memory is still 199.8 MB. Free memory was 160.0 MB in the beginning and 107.5 MB in the end (delta: 52.5 MB). Peak memory consumption was 52.5 MB. Max. memory is 7.1 GB. [2019-09-20 22:27:56,271 INFO L168 Benchmark]: Sifa took 942.94 ms. Allocated memory was 199.8 MB in the beginning and 230.7 MB in the end (delta: 30.9 MB). Free memory was 107.5 MB in the beginning and 150.4 MB in the end (delta: -42.9 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 22:27:56,278 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.24 ms. Allocated memory is still 136.3 MB. Free memory was 110.7 MB in the beginning and 110.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 772.20 ms. Allocated memory was 136.3 MB in the beginning and 199.8 MB in the end (delta: 63.4 MB). Free memory was 90.7 MB in the beginning and 162.9 MB in the end (delta: -72.1 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 69.21 ms. Allocated memory is still 199.8 MB. Free memory was 162.9 MB in the beginning and 160.0 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 766.93 ms. Allocated memory is still 199.8 MB. Free memory was 160.0 MB in the beginning and 107.5 MB in the end (delta: 52.5 MB). Peak memory consumption was 52.5 MB. Max. memory is 7.1 GB. * Sifa took 942.94 ms. Allocated memory was 199.8 MB in the beginning and 230.7 MB in the end (delta: 30.9 MB). Free memory was 107.5 MB in the beginning and 150.4 MB in the end (delta: -42.9 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 896, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 30, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 21, TOOLS_POST_TIME[ms]: 598, TOOLS_POST_CALL_APPLICATIONS: 7, TOOLS_POST_CALL_TIME[ms]: 26, TOOLS_POST_RETURN_APPLICATIONS: 6, TOOLS_POST_RETURN_TIME[ms]: 13, TOOLS_QUANTIFIERELIM_APPLICATIONS: 34, TOOLS_QUANTIFIERELIM_TIME[ms]: 616, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 162, FLUID_QUERY_TIME[ms]: 0, FLUID_QUERIES: 32, FLUID_YES_ANSWERS: 32, DOMAIN_JOIN_APPLICATIONS: 9, DOMAIN_JOIN_TIME[ms]: 113, DOMAIN_ALPHA_APPLICATIONS: 32, DOMAIN_ALPHA_TIME[ms]: 69, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 1, DOMAIN_ISBOTTOM_APPLICATIONS: 2, DOMAIN_ISBOTTOM_TIME[ms]: 3, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 377, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 376, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 6, CALL_SUMMARIZER_CACHE_MISSES: 5, CALL_SUMMARIZER_OVERALL_TIME[ms]: 669, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 669, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 12, DAG_COMPRESSION_PROCESSED_NODES: 88, DAG_COMPRESSION_RETAINED_NODES: 49 - UnprovableResult [Line: 613]: 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 86#true. Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...