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 SequenceOfStatements --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/list-ext2-properties/simple_and_skiplist_2lvl-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-18 03:08:52,735 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-18 03:08:52,738 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-18 03:08:52,749 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-18 03:08:52,750 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-18 03:08:52,751 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-18 03:08:52,752 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-18 03:08:52,754 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-18 03:08:52,755 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-18 03:08:52,756 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-18 03:08:52,757 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-18 03:08:52,759 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-18 03:08:52,759 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-18 03:08:52,760 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-18 03:08:52,761 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-18 03:08:52,762 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-18 03:08:52,762 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-18 03:08:52,763 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-18 03:08:52,765 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-18 03:08:52,767 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-18 03:08:52,769 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-18 03:08:52,770 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-18 03:08:52,771 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-18 03:08:52,772 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-18 03:08:52,774 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-18 03:08:52,774 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-18 03:08:52,774 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-18 03:08:52,775 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-18 03:08:52,776 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-18 03:08:52,777 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-18 03:08:52,777 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-18 03:08:52,778 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-18 03:08:52,778 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-18 03:08:52,779 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-18 03:08:52,780 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-18 03:08:52,780 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-18 03:08:52,781 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-18 03:08:52,781 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-18 03:08:52,781 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-18 03:08:52,782 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-18 03:08:52,783 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-18 03:08:52,783 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 [2019-09-18 03:08:52,798 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-18 03:08:52,798 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-18 03:08:52,801 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-18 03:08:52,802 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-18 03:08:52,802 INFO L138 SettingsManager]: * Use SBE=true [2019-09-18 03:08:52,802 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-18 03:08:52,802 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-18 03:08:52,802 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-18 03:08:52,803 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-18 03:08:52,803 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-18 03:08:52,803 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-18 03:08:52,803 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-18 03:08:52,803 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-18 03:08:52,804 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-18 03:08:52,804 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-18 03:08:52,804 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-18 03:08:52,804 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-18 03:08:52,804 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-18 03:08:52,805 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-18 03:08:52,805 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-18 03:08:52,805 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-18 03:08:52,806 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 03:08:52,806 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-18 03:08:52,807 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-18 03:08:52,807 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-18 03:08:52,807 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-18 03:08:52,807 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-18 03:08:52,807 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-18 03:08:52,808 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 -> SequenceOfStatements 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: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-18 03:08:52,854 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-18 03:08:52,868 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-18 03:08:52,873 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-18 03:08:52,874 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-18 03:08:52,875 INFO L275 PluginConnector]: CDTParser initialized [2019-09-18 03:08:52,875 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-ext2-properties/simple_and_skiplist_2lvl-2.i [2019-09-18 03:08:52,949 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e30e6b1bd/2e50f7c9811a4e30b5e03388a45257d9/FLAG61fabdaa5 [2019-09-18 03:08:53,492 INFO L306 CDTParser]: Found 1 translation units. [2019-09-18 03:08:53,494 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-ext2-properties/simple_and_skiplist_2lvl-2.i [2019-09-18 03:08:53,519 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e30e6b1bd/2e50f7c9811a4e30b5e03388a45257d9/FLAG61fabdaa5 [2019-09-18 03:08:53,798 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e30e6b1bd/2e50f7c9811a4e30b5e03388a45257d9 [2019-09-18 03:08:53,807 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-18 03:08:53,809 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-18 03:08:53,809 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-18 03:08:53,810 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-18 03:08:53,812 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-18 03:08:53,813 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 03:08:53" (1/1) ... [2019-09-18 03:08:53,816 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@db8de90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:08:53, skipping insertion in model container [2019-09-18 03:08:53,816 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 03:08:53" (1/1) ... [2019-09-18 03:08:53,822 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-18 03:08:53,878 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-18 03:08:54,329 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 03:08:54,346 INFO L188 MainTranslator]: Completed pre-run [2019-09-18 03:08:54,411 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 03:08:54,466 INFO L192 MainTranslator]: Completed translation [2019-09-18 03:08:54,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:08:54 WrapperNode [2019-09-18 03:08:54,467 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-18 03:08:54,468 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-18 03:08:54,468 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-18 03:08:54,468 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-18 03:08:54,482 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:08:54" (1/1) ... [2019-09-18 03:08:54,483 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:08:54" (1/1) ... [2019-09-18 03:08:54,504 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:08:54" (1/1) ... [2019-09-18 03:08:54,504 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:08:54" (1/1) ... [2019-09-18 03:08:54,527 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:08:54" (1/1) ... [2019-09-18 03:08:54,533 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:08:54" (1/1) ... [2019-09-18 03:08:54,537 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:08:54" (1/1) ... [2019-09-18 03:08:54,544 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-18 03:08:54,545 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-18 03:08:54,545 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-18 03:08:54,545 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-18 03:08:54,546 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:08:54" (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 [2019-09-18 03:08:54,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-18 03:08:54,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-18 03:08:54,613 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-18 03:08:54,614 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-18 03:08:54,614 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-18 03:08:54,614 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_or_die [2019-09-18 03:08:54,614 INFO L138 BoogieDeclarations]: Found implementation of procedure create_sl_with_head_and_tail [2019-09-18 03:08:54,614 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_random_insert [2019-09-18 03:08:54,615 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_sl [2019-09-18 03:08:54,615 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-18 03:08:54,615 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-18 03:08:54,615 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-18 03:08:54,615 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-18 03:08:54,616 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-18 03:08:54,616 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-18 03:08:54,616 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-18 03:08:54,616 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-18 03:08:54,616 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-18 03:08:54,616 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-18 03:08:54,617 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-18 03:08:54,617 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-18 03:08:54,617 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-18 03:08:54,617 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-18 03:08:54,617 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-18 03:08:54,617 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-18 03:08:54,618 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-18 03:08:54,618 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-18 03:08:54,618 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-18 03:08:54,618 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-18 03:08:54,618 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-18 03:08:54,618 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-18 03:08:54,619 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-18 03:08:54,619 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-18 03:08:54,619 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-18 03:08:54,619 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-18 03:08:54,619 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-18 03:08:54,619 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-18 03:08:54,620 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-18 03:08:54,620 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-18 03:08:54,620 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-18 03:08:54,620 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-18 03:08:54,620 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-18 03:08:54,620 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-18 03:08:54,620 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-18 03:08:54,621 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-18 03:08:54,621 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-18 03:08:54,621 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-18 03:08:54,621 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-18 03:08:54,621 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-18 03:08:54,621 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-18 03:08:54,622 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-18 03:08:54,622 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-18 03:08:54,622 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-18 03:08:54,622 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-18 03:08:54,622 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-18 03:08:54,622 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-18 03:08:54,622 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-18 03:08:54,623 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-18 03:08:54,623 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-18 03:08:54,623 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-18 03:08:54,623 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-18 03:08:54,623 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-18 03:08:54,623 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-18 03:08:54,624 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-18 03:08:54,624 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-18 03:08:54,624 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-18 03:08:54,624 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-18 03:08:54,624 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-18 03:08:54,624 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-18 03:08:54,624 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-18 03:08:54,625 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-18 03:08:54,625 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-18 03:08:54,625 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-18 03:08:54,625 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-18 03:08:54,625 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-18 03:08:54,625 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-18 03:08:54,626 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-18 03:08:54,626 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-18 03:08:54,626 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-18 03:08:54,626 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-18 03:08:54,626 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-18 03:08:54,626 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-18 03:08:54,627 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-18 03:08:54,627 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-18 03:08:54,627 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-18 03:08:54,627 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-18 03:08:54,627 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-18 03:08:54,627 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-18 03:08:54,627 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-18 03:08:54,628 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-18 03:08:54,628 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-18 03:08:54,628 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-18 03:08:54,628 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-18 03:08:54,628 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-18 03:08:54,628 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-18 03:08:54,629 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-18 03:08:54,629 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-18 03:08:54,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-18 03:08:54,629 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-18 03:08:54,629 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-18 03:08:54,629 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-18 03:08:54,629 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-18 03:08:54,629 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-18 03:08:54,630 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-18 03:08:54,630 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-18 03:08:54,630 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-18 03:08:54,630 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-18 03:08:54,630 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-18 03:08:54,630 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-18 03:08:54,630 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-18 03:08:54,631 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-18 03:08:54,631 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-18 03:08:54,631 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-18 03:08:54,631 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-18 03:08:54,631 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-18 03:08:54,631 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-18 03:08:54,631 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-18 03:08:54,632 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-18 03:08:54,632 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_or_die [2019-09-18 03:08:54,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-18 03:08:54,632 INFO L130 BoogieDeclarations]: Found specification of procedure create_sl_with_head_and_tail [2019-09-18 03:08:54,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-18 03:08:54,632 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-18 03:08:54,633 INFO L130 BoogieDeclarations]: Found specification of procedure sl_random_insert [2019-09-18 03:08:54,633 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_sl [2019-09-18 03:08:54,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-18 03:08:54,633 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-18 03:08:54,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-18 03:08:54,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-18 03:08:54,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-18 03:08:54,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-18 03:08:55,006 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-18 03:08:55,342 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-18 03:08:55,342 INFO L283 CfgBuilder]: Removed 6 assume(true) statements. [2019-09-18 03:08:55,344 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 03:08:55 BoogieIcfgContainer [2019-09-18 03:08:55,345 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-18 03:08:55,346 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-18 03:08:55,346 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-18 03:08:55,347 INFO L275 PluginConnector]: Sifa initialized [2019-09-18 03:08:55,348 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 03:08:55" (1/1) ... [2019-09-18 03:08:55,349 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ 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=SizeLimitFluid [2019-09-18 03:08:55,378 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-18 03:08:55,378 INFO L169 IcfgInterpreter]: Building call graph [2019-09-18 03:08:55,386 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-18 03:08:55,397 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-18 03:08:55,399 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-18 03:08:55,534 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-18 03:08:55,571 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-18 03:08:55,817 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 71 [2019-09-18 03:08:56,049 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-18 03:08:56,307 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 90 [2019-09-18 03:08:56,963 WARN L191 SmtUtils]: Spent 542.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2019-09-18 03:08:58,093 WARN L191 SmtUtils]: Spent 1.00 s on a formula simplification that was a NOOP. DAG size: 139 [2019-09-18 03:08:58,798 WARN L191 SmtUtils]: Spent 668.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2019-09-18 03:09:00,955 WARN L191 SmtUtils]: Spent 2.10 s on a formula simplification that was a NOOP. DAG size: 152 [2019-09-18 03:09:01,871 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-18 03:09:01,872 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-18 03:09:01,873 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 122#(exists ((v_main_~p~0.offset_19 Int) (v_main_~p~0.offset_18 Int) (v_main_~p~0.base_19 Int) (v_main_~p~0.base_18 Int)) (or (and (not (= main_~p~0.offset 0)) (not (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))) (= (select (select |#memory_$Pointer$.base| v_main_~p~0.base_18) (+ v_main_~p~0.offset_18 4)) main_~p~0.base) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| v_main_~p~0.base_18) (+ v_main_~p~0.offset_18 4)))) (and (not (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))) (= (select (select |#memory_$Pointer$.base| v_main_~p~0.base_18) (+ v_main_~p~0.offset_18 4)) main_~p~0.base) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| v_main_~p~0.base_18) (+ v_main_~p~0.offset_18 4))) (not (= 0 main_~p~0.base))) (and (not (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))) (= (select (select |#memory_$Pointer$.base| v_main_~p~0.base_19) (+ v_main_~p~0.offset_19 4)) 0) (= main_~a~0.base main_~p~0.base) (= (select (select |#memory_$Pointer$.offset| v_main_~p~0.base_19) (+ v_main_~p~0.offset_19 4)) 0) (= 1 (select (select |#memory_int| v_main_~p~0.base_19) v_main_~p~0.offset_19)) (not (= 0 main_~p~0.base)) (= main_~a~0.offset main_~p~0.offset)) (and (not (= main_~p~0.offset 0)) (not (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))) (= (select (select |#memory_$Pointer$.base| v_main_~p~0.base_19) (+ v_main_~p~0.offset_19 4)) 0) (= main_~a~0.base main_~p~0.base) (= (select (select |#memory_$Pointer$.offset| v_main_~p~0.base_19) (+ v_main_~p~0.offset_19 4)) 0) (= 1 (select (select |#memory_int| v_main_~p~0.base_19) v_main_~p~0.offset_19)) (= main_~a~0.offset main_~p~0.offset)))) [2019-09-18 03:09:01,887 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-18 03:09:01,888 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-18 03:09:01,889 INFO L168 Benchmark]: Toolchain (without parser) took 8080.61 ms. Allocated memory was 134.7 MB in the beginning and 261.6 MB in the end (delta: 126.9 MB). Free memory was 84.5 MB in the beginning and 221.1 MB in the end (delta: -136.5 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-18 03:09:01,890 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 134.7 MB. Free memory was 104.2 MB in the beginning and 104.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-18 03:09:01,891 INFO L168 Benchmark]: CACSL2BoogieTranslator took 658.01 ms. Allocated memory was 134.7 MB in the beginning and 200.8 MB in the end (delta: 66.1 MB). Free memory was 84.3 MB in the beginning and 163.7 MB in the end (delta: -79.4 MB). Peak memory consumption was 23.6 MB. Max. memory is 7.1 GB. [2019-09-18 03:09:01,892 INFO L168 Benchmark]: Boogie Preprocessor took 76.36 ms. Allocated memory is still 200.8 MB. Free memory was 163.7 MB in the beginning and 160.1 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 7.1 GB. [2019-09-18 03:09:01,893 INFO L168 Benchmark]: RCFGBuilder took 800.84 ms. Allocated memory is still 200.8 MB. Free memory was 160.1 MB in the beginning and 104.3 MB in the end (delta: 55.8 MB). Peak memory consumption was 55.8 MB. Max. memory is 7.1 GB. [2019-09-18 03:09:01,894 INFO L168 Benchmark]: Sifa took 6541.97 ms. Allocated memory was 200.8 MB in the beginning and 261.6 MB in the end (delta: 60.8 MB). Free memory was 104.3 MB in the beginning and 221.1 MB in the end (delta: -116.7 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-18 03:09:01,897 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 134.7 MB. Free memory was 104.2 MB in the beginning and 104.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 658.01 ms. Allocated memory was 134.7 MB in the beginning and 200.8 MB in the end (delta: 66.1 MB). Free memory was 84.3 MB in the beginning and 163.7 MB in the end (delta: -79.4 MB). Peak memory consumption was 23.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 76.36 ms. Allocated memory is still 200.8 MB. Free memory was 163.7 MB in the beginning and 160.1 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 800.84 ms. Allocated memory is still 200.8 MB. Free memory was 160.1 MB in the beginning and 104.3 MB in the end (delta: 55.8 MB). Peak memory consumption was 55.8 MB. Max. memory is 7.1 GB. * Sifa took 6541.97 ms. Allocated memory was 200.8 MB in the beginning and 261.6 MB in the end (delta: 60.8 MB). Free memory was 104.3 MB in the beginning and 221.1 MB in the end (delta: -116.7 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]: 6496, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 65, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 53, TOOLS_POST_TIME[ms]: 3334, TOOLS_POST_CALL_APPLICATIONS: 6, TOOLS_POST_CALL_TIME[ms]: 31, TOOLS_POST_RETURN_APPLICATIONS: 5, TOOLS_POST_RETURN_TIME[ms]: 3, TOOLS_QUANTIFIERELIM_APPLICATIONS: 63, TOOLS_QUANTIFIERELIM_TIME[ms]: 3337, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 1778, FLUID_QUERY_TIME[ms]: 6, FLUID_QUERIES: 71, FLUID_YES_ANSWERS: 3, DOMAIN_JOIN_APPLICATIONS: 21, DOMAIN_JOIN_TIME[ms]: 612, DOMAIN_ALPHA_APPLICATIONS: 3, DOMAIN_ALPHA_TIME[ms]: 4, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 2343, DOMAIN_ISSUBSETEQ_APPLICATIONS: 6, DOMAIN_ISSUBSETEQ_TIME[ms]: 24, DOMAIN_ISBOTTOM_APPLICATIONS: 12, DOMAIN_ISBOTTOM_TIME[ms]: 51, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 5968, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 5967, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 6, CALL_SUMMARIZER_APPLICATIONS: 5, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 85, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 85, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 22, DAG_COMPRESSION_PROCESSED_NODES: 145, DAG_COMPRESSION_RETAINED_NODES: 87 - UnprovableResult [Line: 601]: 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 122#(exists ((v_main_~p~0.offset_19 Int) (v_main_~p~0.offset_18 Int) (v_main_~p~0.base_19 Int) (v_main_~p~0.base_18 Int)) (or (and (not (= main_~p~0.offset 0)) (not (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))) (= (select (select |#memory_$Pointer$.base| v_main_~p~0.base_18) (+ v_main_~p~0.offset_18 4)) main_~p~0.base) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| v_main_~p~0.base_18) (+ v_main_~p~0.offset_18 4)))) (and (not (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))) (= (select (select |#memory_$Pointer$.base| v_main_~p~0.base_18) (+ v_main_~p~0.offset_18 4)) main_~p~0.base) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| v_main_~p~0.base_18) (+ v_main_~p~0.offset_18 4))) (not (= 0 main_~p~0.base))) (and (not (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))) (= (select (select |#memory_$Pointer$.base| v_main_~p~0.base_19) (+ v_main_~p~0.offset_19 4)) 0) (= main_~a~0.base main_~p~0.base) (= (select (select |#memory_$Pointer$.offset| v_main_~p~0.base_19) (+ v_main_~p~0.offset_19 4)) 0) (= 1 (select (select |#memory_int| v_main_~p~0.base_19) v_main_~p~0.offset_19)) (not (= 0 main_~p~0.base)) (= main_~a~0.offset main_~p~0.offset)) (and (not (= main_~p~0.offset 0)) (not (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))) (= (select (select |#memory_$Pointer$.base| v_main_~p~0.base_19) (+ v_main_~p~0.offset_19 4)) 0) (= main_~a~0.base main_~p~0.base) (= (select (select |#memory_$Pointer$.offset| v_main_~p~0.base_19) (+ v_main_~p~0.offset_19 4)) 0) (= 1 (select (select |#memory_int| v_main_~p~0.base_19) v_main_~p~0.offset_19)) (= main_~a~0.offset main_~p~0.offset)))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...