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 ReUseSupersetCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/heap-manipulation/sll_to_dll_rev-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 20:22:17,739 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 20:22:17,741 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 20:22:17,752 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 20:22:17,753 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 20:22:17,754 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 20:22:17,755 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 20:22:17,757 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 20:22:17,759 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 20:22:17,760 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 20:22:17,761 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 20:22:17,762 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 20:22:17,762 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 20:22:17,763 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 20:22:17,764 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 20:22:17,765 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 20:22:17,766 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 20:22:17,767 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 20:22:17,769 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 20:22:17,771 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 20:22:17,773 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 20:22:17,774 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 20:22:17,775 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 20:22:17,776 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 20:22:17,779 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 20:22:17,779 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 20:22:17,779 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 20:22:17,780 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 20:22:17,781 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 20:22:17,782 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 20:22:17,782 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 20:22:17,783 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 20:22:17,784 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 20:22:17,784 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 20:22:17,786 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 20:22:17,786 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 20:22:17,787 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 20:22:17,787 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 20:22:17,787 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 20:22:17,788 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 20:22:17,789 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 20:22:17,789 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 20:22:17,804 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 20:22:17,804 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 20:22:17,806 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 20:22:17,806 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 20:22:17,806 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 20:22:17,806 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 20:22:17,806 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 20:22:17,807 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 20:22:17,807 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 20:22:17,807 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 20:22:17,807 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 20:22:17,807 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 20:22:17,808 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 20:22:17,808 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 20:22:17,808 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 20:22:17,808 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 20:22:17,808 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 20:22:17,809 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 20:22:17,809 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 20:22:17,809 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 20:22:17,809 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 20:22:17,809 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 20:22:17,810 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 20:22:17,810 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 20:22:17,810 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 20:22:17,810 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 20:22:17,810 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 20:22:17,811 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 20:22:17,811 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 -> ReUseSupersetCallSummarizer 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 [2019-09-20 20:22:17,842 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 20:22:17,856 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 20:22:17,861 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 20:22:17,863 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 20:22:17,863 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 20:22:17,864 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/heap-manipulation/sll_to_dll_rev-2.i [2019-09-20 20:22:17,929 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91414172f/cdaa24a6eb1a4d168fe6af1564764dd9/FLAG40eb015d4 [2019-09-20 20:22:18,421 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 20:22:18,422 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/heap-manipulation/sll_to_dll_rev-2.i [2019-09-20 20:22:18,436 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91414172f/cdaa24a6eb1a4d168fe6af1564764dd9/FLAG40eb015d4 [2019-09-20 20:22:18,724 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91414172f/cdaa24a6eb1a4d168fe6af1564764dd9 [2019-09-20 20:22:18,738 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 20:22:18,739 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 20:22:18,740 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 20:22:18,741 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 20:22:18,744 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 20:22:18,745 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:22:18" (1/1) ... [2019-09-20 20:22:18,748 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11ba7c0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:22:18, skipping insertion in model container [2019-09-20 20:22:18,748 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:22:18" (1/1) ... [2019-09-20 20:22:18,757 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 20:22:18,813 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 20:22:19,319 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 20:22:19,329 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 20:22:19,393 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 20:22:19,455 INFO L192 MainTranslator]: Completed translation [2019-09-20 20:22:19,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:22:19 WrapperNode [2019-09-20 20:22:19,455 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 20:22:19,456 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 20:22:19,456 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 20:22:19,456 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 20:22:19,471 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:22:19" (1/1) ... [2019-09-20 20:22:19,471 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:22:19" (1/1) ... [2019-09-20 20:22:19,503 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:22:19" (1/1) ... [2019-09-20 20:22:19,503 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:22:19" (1/1) ... [2019-09-20 20:22:19,528 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:22:19" (1/1) ... [2019-09-20 20:22:19,546 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:22:19" (1/1) ... [2019-09-20 20:22:19,552 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:22:19" (1/1) ... [2019-09-20 20:22:19,560 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 20:22:19,560 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 20:22:19,560 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 20:22:19,560 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 20:22:19,561 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:22:19" (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 20:22:19,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 20:22:19,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 20:22:19,611 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-20 20:22:19,611 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-20 20:22:19,611 INFO L138 BoogieDeclarations]: Found implementation of procedure fail [2019-09-20 20:22:19,612 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_node [2019-09-20 20:22:19,612 INFO L138 BoogieDeclarations]: Found implementation of procedure chain_node [2019-09-20 20:22:19,612 INFO L138 BoogieDeclarations]: Found implementation of procedure create_sll [2019-09-20 20:22:19,612 INFO L138 BoogieDeclarations]: Found implementation of procedure init_back_link [2019-09-20 20:22:19,612 INFO L138 BoogieDeclarations]: Found implementation of procedure reverse_dll [2019-09-20 20:22:19,613 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_fw_link [2019-09-20 20:22:19,613 INFO L138 BoogieDeclarations]: Found implementation of procedure check_seq_next [2019-09-20 20:22:19,613 INFO L138 BoogieDeclarations]: Found implementation of procedure check_seq_prev [2019-09-20 20:22:19,613 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 20:22:19,613 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 20:22:19,614 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-20 20:22:19,614 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-20 20:22:19,614 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-20 20:22:19,614 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-20 20:22:19,614 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-20 20:22:19,614 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-20 20:22:19,615 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-20 20:22:19,615 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-20 20:22:19,615 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-20 20:22:19,615 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-20 20:22:19,615 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-20 20:22:19,616 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-20 20:22:19,616 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-20 20:22:19,616 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-20 20:22:19,616 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-20 20:22:19,616 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-20 20:22:19,616 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-20 20:22:19,616 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-20 20:22:19,617 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-20 20:22:19,617 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-20 20:22:19,617 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-20 20:22:19,617 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-20 20:22:19,617 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-20 20:22:19,618 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-20 20:22:19,618 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-20 20:22:19,618 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-20 20:22:19,618 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-20 20:22:19,618 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-20 20:22:19,618 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-20 20:22:19,619 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-20 20:22:19,619 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-20 20:22:19,619 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-20 20:22:19,619 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-20 20:22:19,619 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-20 20:22:19,619 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-20 20:22:19,620 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-20 20:22:19,620 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-20 20:22:19,620 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-20 20:22:19,620 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-20 20:22:19,620 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-20 20:22:19,620 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-20 20:22:19,620 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-20 20:22:19,621 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-20 20:22:19,621 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-20 20:22:19,621 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-20 20:22:19,621 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-20 20:22:19,621 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-20 20:22:19,621 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-20 20:22:19,622 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-20 20:22:19,622 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-20 20:22:19,622 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-20 20:22:19,622 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-20 20:22:19,622 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 20:22:19,622 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-20 20:22:19,622 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-20 20:22:19,623 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 20:22:19,623 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-20 20:22:19,623 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-20 20:22:19,623 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-20 20:22:19,623 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-20 20:22:19,623 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-20 20:22:19,624 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-20 20:22:19,624 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-20 20:22:19,624 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-20 20:22:19,624 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-20 20:22:19,624 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-20 20:22:19,624 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-20 20:22:19,624 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-20 20:22:19,625 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-20 20:22:19,625 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-20 20:22:19,625 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-20 20:22:19,625 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-20 20:22:19,625 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-20 20:22:19,625 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-20 20:22:19,625 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-20 20:22:19,626 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-20 20:22:19,626 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-20 20:22:19,626 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-20 20:22:19,626 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-20 20:22:19,626 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-20 20:22:19,626 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-20 20:22:19,627 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-20 20:22:19,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-20 20:22:19,627 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-20 20:22:19,627 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-20 20:22:19,627 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-20 20:22:19,627 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-20 20:22:19,627 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-20 20:22:19,628 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-20 20:22:19,628 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-20 20:22:19,628 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-20 20:22:19,628 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-20 20:22:19,628 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-20 20:22:19,628 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-20 20:22:19,628 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-20 20:22:19,629 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-20 20:22:19,629 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-20 20:22:19,629 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-20 20:22:19,629 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-20 20:22:19,629 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-20 20:22:19,629 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-20 20:22:19,629 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-20 20:22:19,630 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 20:22:19,630 INFO L130 BoogieDeclarations]: Found specification of procedure fail [2019-09-20 20:22:19,630 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_node [2019-09-20 20:22:19,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 20:22:19,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 20:22:19,630 INFO L130 BoogieDeclarations]: Found specification of procedure chain_node [2019-09-20 20:22:19,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 20:22:19,631 INFO L130 BoogieDeclarations]: Found specification of procedure create_sll [2019-09-20 20:22:19,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 20:22:19,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-20 20:22:19,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 20:22:19,631 INFO L130 BoogieDeclarations]: Found specification of procedure init_back_link [2019-09-20 20:22:19,631 INFO L130 BoogieDeclarations]: Found specification of procedure reverse_dll [2019-09-20 20:22:19,632 INFO L130 BoogieDeclarations]: Found specification of procedure remove_fw_link [2019-09-20 20:22:19,632 INFO L130 BoogieDeclarations]: Found specification of procedure check_seq_next [2019-09-20 20:22:19,632 INFO L130 BoogieDeclarations]: Found specification of procedure check_seq_prev [2019-09-20 20:22:19,632 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 20:22:19,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 20:22:19,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 20:22:20,550 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 20:22:20,551 INFO L283 CfgBuilder]: Removed 33 assume(true) statements. [2019-09-20 20:22:20,552 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:22:20 BoogieIcfgContainer [2019-09-20 20:22:20,553 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 20:22:20,553 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 20:22:20,553 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 20:22:20,554 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 20:22:20,555 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:22:20" (1/1) ... [2019-09-20 20:22:20,556 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=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 20:22:20,580 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 20:22:20,580 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 20:22:20,590 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 20:22:20,599 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 20:22:20,601 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 20:22:20,768 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 20 for LOIs [2019-09-20 20:22:21,433 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 55 [2019-09-20 20:22:22,305 WARN L191 SmtUtils]: Spent 711.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-09-20 20:22:23,531 WARN L191 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 163 [2019-09-20 20:22:25,025 WARN L191 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 177 DAG size of output: 171 [2019-09-20 20:22:26,510 WARN L191 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 180 DAG size of output: 170 [2019-09-20 20:22:26,927 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-09-20 20:22:28,528 WARN L191 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 265 DAG size of output: 168 [2019-09-20 20:22:29,259 WARN L191 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 123 [2019-09-20 20:22:31,260 WARN L191 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 278 DAG size of output: 162 [2019-09-20 20:22:32,129 WARN L191 SmtUtils]: Spent 779.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 151 [2019-09-20 20:22:32,861 WARN L191 SmtUtils]: Spent 674.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 143 [2019-09-20 20:22:34,024 WARN L191 SmtUtils]: Spent 759.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 120 [2019-09-20 20:22:34,621 WARN L191 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 136 [2019-09-20 20:22:34,922 WARN L191 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-20 20:22:35,316 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-09-20 20:22:35,579 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-20 20:22:36,125 WARN L191 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 113 [2019-09-20 20:22:36,341 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-09-20 20:22:36,579 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2019-09-20 20:22:36,787 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-20 20:22:36,999 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2019-09-20 20:22:37,564 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2019-09-20 20:22:37,737 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-09-20 20:22:37,914 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2019-09-20 20:22:38,110 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-20 20:22:38,237 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-09-20 20:22:38,338 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-09-20 20:22:39,011 WARN L191 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 136 [2019-09-20 20:22:39,315 WARN L191 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-20 20:22:39,702 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-09-20 20:22:39,984 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-20 20:22:41,005 WARN L191 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 176 DAG size of output: 113 [2019-09-20 20:22:41,227 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-09-20 20:22:41,441 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2019-09-20 20:22:41,638 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-20 20:22:41,828 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2019-09-20 20:22:42,225 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2019-09-20 20:22:42,444 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-09-20 20:22:42,576 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2019-09-20 20:22:42,830 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-09-20 20:22:42,951 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-20 20:22:43,799 WARN L191 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-09-20 20:22:44,406 WARN L191 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 120 [2019-09-20 20:22:44,825 WARN L191 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 112 [2019-09-20 20:22:45,002 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2019-09-20 20:22:45,185 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-09-20 20:22:45,340 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-09-20 20:22:45,474 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-09-20 20:22:45,605 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-09-20 20:22:46,103 WARN L191 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-09-20 20:22:46,932 WARN L191 SmtUtils]: Spent 760.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 140 [2019-09-20 20:22:47,267 WARN L191 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2019-09-20 20:22:48,058 WARN L191 SmtUtils]: Spent 710.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 122 [2019-09-20 20:22:48,281 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2019-09-20 20:22:48,490 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2019-09-20 20:22:49,472 WARN L191 SmtUtils]: Spent 977.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 123 [2019-09-20 20:22:49,984 WARN L191 SmtUtils]: Spent 511.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2019-09-20 20:22:50,481 WARN L191 SmtUtils]: Spent 462.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2019-09-20 20:22:50,889 WARN L191 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2019-09-20 20:22:51,293 WARN L191 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-09-20 20:22:51,709 WARN L191 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-09-20 20:22:52,091 WARN L191 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2019-09-20 20:22:52,475 WARN L191 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-09-20 20:22:52,840 WARN L191 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-09-20 20:22:53,206 WARN L191 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2019-09-20 20:22:53,521 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-09-20 20:22:56,006 WARN L191 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 162 DAG size of output: 160 [2019-09-20 20:22:56,254 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2019-09-20 20:22:58,619 WARN L191 SmtUtils]: Spent 2.28 s on a formula simplification. DAG size of input: 169 DAG size of output: 163 [2019-09-20 20:22:59,721 WARN L191 SmtUtils]: Spent 854.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-09-20 20:23:00,009 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 85