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 InterpretCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/list-simple/dll2n_update_all_reverse.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 21:27:20,769 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 21:27:20,771 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 21:27:20,783 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 21:27:20,783 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 21:27:20,784 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 21:27:20,785 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 21:27:20,787 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 21:27:20,789 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 21:27:20,790 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 21:27:20,791 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 21:27:20,792 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 21:27:20,792 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 21:27:20,793 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 21:27:20,794 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 21:27:20,795 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 21:27:20,796 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 21:27:20,797 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 21:27:20,799 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 21:27:20,801 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 21:27:20,803 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 21:27:20,804 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 21:27:20,805 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 21:27:20,806 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 21:27:20,808 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 21:27:20,809 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 21:27:20,809 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 21:27:20,810 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 21:27:20,810 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 21:27:20,811 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 21:27:20,812 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 21:27:20,812 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 21:27:20,813 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 21:27:20,814 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 21:27:20,815 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 21:27:20,815 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 21:27:20,816 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 21:27:20,816 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 21:27:20,817 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 21:27:20,818 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 21:27:20,818 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 21:27:20,819 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 21:27:20,834 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 21:27:20,834 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 21:27:20,836 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 21:27:20,836 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 21:27:20,836 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 21:27:20,836 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 21:27:20,836 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 21:27:20,837 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 21:27:20,837 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 21:27:20,837 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 21:27:20,837 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 21:27:20,837 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 21:27:20,838 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 21:27:20,838 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 21:27:20,838 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 21:27:20,838 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 21:27:20,838 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 21:27:20,838 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 21:27:20,839 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 21:27:20,839 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 21:27:20,839 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 21:27:20,839 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 21:27:20,839 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 21:27:20,840 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 21:27:20,840 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 21:27:20,840 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 21:27:20,840 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 21:27:20,840 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 21:27:20,841 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 -> InterpretCallSummarizer 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 21:27:20,876 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 21:27:20,892 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 21:27:20,897 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 21:27:20,900 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 21:27:20,901 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 21:27:20,902 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/dll2n_update_all_reverse.i [2019-09-20 21:27:20,981 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/119cd0d13/7fc6126c20f943d5aae8c54ec0086f3c/FLAGb2f5da695 [2019-09-20 21:27:21,506 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 21:27:21,506 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/dll2n_update_all_reverse.i [2019-09-20 21:27:21,532 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/119cd0d13/7fc6126c20f943d5aae8c54ec0086f3c/FLAGb2f5da695 [2019-09-20 21:27:21,830 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/119cd0d13/7fc6126c20f943d5aae8c54ec0086f3c [2019-09-20 21:27:21,839 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 21:27:21,840 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 21:27:21,842 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 21:27:21,842 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 21:27:21,845 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 21:27:21,846 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 09:27:21" (1/1) ... [2019-09-20 21:27:21,849 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@329dc61d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:27:21, skipping insertion in model container [2019-09-20 21:27:21,850 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 09:27:21" (1/1) ... [2019-09-20 21:27:21,858 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 21:27:21,916 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 21:27:22,335 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 21:27:22,346 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 21:27:22,409 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 21:27:22,476 INFO L192 MainTranslator]: Completed translation [2019-09-20 21:27:22,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:27:22 WrapperNode [2019-09-20 21:27:22,477 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 21:27:22,478 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 21:27:22,478 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 21:27:22,478 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 21:27:22,492 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:27:22" (1/1) ... [2019-09-20 21:27:22,492 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:27:22" (1/1) ... [2019-09-20 21:27:22,509 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:27:22" (1/1) ... [2019-09-20 21:27:22,509 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:27:22" (1/1) ... [2019-09-20 21:27:22,527 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:27:22" (1/1) ... [2019-09-20 21:27:22,534 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:27:22" (1/1) ... [2019-09-20 21:27:22,538 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:27:22" (1/1) ... [2019-09-20 21:27:22,545 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 21:27:22,545 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 21:27:22,546 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 21:27:22,546 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 21:27:22,547 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:27:22" (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 21:27:22,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 21:27:22,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 21:27:22,611 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-20 21:27:22,611 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-20 21:27:22,611 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-20 21:27:22,612 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-09-20 21:27:22,612 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create [2019-09-20 21:27:22,612 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy [2019-09-20 21:27:22,612 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_get_data_at [2019-09-20 21:27:22,612 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_update_at [2019-09-20 21:27:22,612 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 21:27:22,613 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 21:27:22,613 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-20 21:27:22,613 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-20 21:27:22,613 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-20 21:27:22,613 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-20 21:27:22,614 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-20 21:27:22,614 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-20 21:27:22,614 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-20 21:27:22,614 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-20 21:27:22,614 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-20 21:27:22,614 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-20 21:27:22,615 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-20 21:27:22,615 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-20 21:27:22,615 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-20 21:27:22,615 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-20 21:27:22,615 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-20 21:27:22,616 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-20 21:27:22,616 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-20 21:27:22,616 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-20 21:27:22,616 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-20 21:27:22,616 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-20 21:27:22,616 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-20 21:27:22,617 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-20 21:27:22,617 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-20 21:27:22,617 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-20 21:27:22,617 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-20 21:27:22,617 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-20 21:27:22,617 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-20 21:27:22,617 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-20 21:27:22,618 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-20 21:27:22,618 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-20 21:27:22,618 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-20 21:27:22,618 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-20 21:27:22,618 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-20 21:27:22,618 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-20 21:27:22,618 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-20 21:27:22,619 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-20 21:27:22,619 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-20 21:27:22,619 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-20 21:27:22,619 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-20 21:27:22,619 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-20 21:27:22,619 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-20 21:27:22,620 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-20 21:27:22,620 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-20 21:27:22,620 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-20 21:27:22,620 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-20 21:27:22,620 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-20 21:27:22,620 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-20 21:27:22,620 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-20 21:27:22,621 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-20 21:27:22,621 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-20 21:27:22,621 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-20 21:27:22,621 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-20 21:27:22,621 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 21:27:22,621 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-20 21:27:22,622 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-20 21:27:22,622 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 21:27:22,622 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-20 21:27:22,622 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-20 21:27:22,622 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-20 21:27:22,622 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-20 21:27:22,622 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-20 21:27:22,623 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-20 21:27:22,623 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-20 21:27:22,623 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-20 21:27:22,623 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-20 21:27:22,623 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-20 21:27:22,623 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-20 21:27:22,624 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-20 21:27:22,624 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-20 21:27:22,624 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-20 21:27:22,624 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-20 21:27:22,624 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-20 21:27:22,624 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-20 21:27:22,625 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-20 21:27:22,625 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-20 21:27:22,625 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-20 21:27:22,625 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-20 21:27:22,625 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-20 21:27:22,625 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-20 21:27:22,626 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-20 21:27:22,626 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-20 21:27:22,626 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-20 21:27:22,626 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-20 21:27:22,626 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-20 21:27:22,626 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-20 21:27:22,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-20 21:27:22,627 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-20 21:27:22,627 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-20 21:27:22,627 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-20 21:27:22,627 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-20 21:27:22,627 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-20 21:27:22,627 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-20 21:27:22,627 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-20 21:27:22,628 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-20 21:27:22,628 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-20 21:27:22,628 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-20 21:27:22,628 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-20 21:27:22,628 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-20 21:27:22,628 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-20 21:27:22,628 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-20 21:27:22,629 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-20 21:27:22,629 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-20 21:27:22,629 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-20 21:27:22,629 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-20 21:27:22,629 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-20 21:27:22,629 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-20 21:27:22,629 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-09-20 21:27:22,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 21:27:22,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 21:27:22,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 21:27:22,630 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create [2019-09-20 21:27:22,630 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy [2019-09-20 21:27:22,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 21:27:22,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 21:27:22,631 INFO L130 BoogieDeclarations]: Found specification of procedure dll_get_data_at [2019-09-20 21:27:22,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 21:27:22,631 INFO L130 BoogieDeclarations]: Found specification of procedure dll_update_at [2019-09-20 21:27:22,631 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 21:27:22,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 21:27:22,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 21:27:23,047 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-20 21:27:23,372 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 21:27:23,372 INFO L283 CfgBuilder]: Removed 6 assume(true) statements. [2019-09-20 21:27:23,374 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 09:27:23 BoogieIcfgContainer [2019-09-20 21:27:23,375 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 21:27:23,376 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 21:27:23,376 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 21:27:23,376 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 21:27:23,378 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 09:27:23" (1/1) ... [2019-09-20 21:27:23,379 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=InterpretCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 21:27:23,416 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 21:27:23,417 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 21:27:23,432 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 21:27:23,447 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 21:27:23,448 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 21:27:23,609 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-20 21:27:24,395 WARN L191 SmtUtils]: Spent 677.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 86 [2019-09-20 21:27:24,542 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-09-20 21:27:24,657 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-09-20 21:27:30,379 WARN L191 SmtUtils]: Spent 5.45 s on a formula simplification. DAG size of input: 178 DAG size of output: 161 [2019-09-20 21:27:32,938 WARN L191 SmtUtils]: Spent 2.53 s on a formula simplification that was a NOOP. DAG size: 158 [2019-09-20 21:27:35,887 WARN L191 SmtUtils]: Spent 2.92 s on a formula simplification that was a NOOP. DAG size: 155 [2019-09-20 21:27:37,975 WARN L191 SmtUtils]: Spent 2.04 s on a formula simplification that was a NOOP. DAG size: 150 [2019-09-20 21:27:40,012 WARN L191 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 148 [2019-09-20 21:27:42,276 WARN L191 SmtUtils]: Spent 2.14 s on a formula simplification that was a NOOP. DAG size: 175 [2019-09-20 21:27:42,376 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 21:27:42,391 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 21:27:42,478 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 21:27:45,682 WARN L191 SmtUtils]: Spent 3.17 s on a formula simplification. DAG size of input: 106 DAG size of output: 104 [2019-09-20 21:27:46,768 WARN L191 SmtUtils]: Spent 979.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-20 21:27:47,455 WARN L191 SmtUtils]: Spent 494.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-09-20 21:27:47,939 WARN L191 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-09-20 21:27:48,404 WARN L191 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-09-20 21:27:49,139 WARN L191 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-20 21:27:49,754 WARN L191 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 74 [2019-09-20 21:27:50,130 WARN L191 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 79 [2019-09-20 21:27:50,213 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-20 21:27:50,224 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-20 21:27:50,470 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 46 [2019-09-20 21:27:50,649 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 41 [2019-09-20 21:27:50,780 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 54 [2019-09-20 21:27:51,041 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 53 [2019-09-20 21:27:51,503 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 49 [2019-09-20 21:27:51,782 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2019-09-20 21:27:52,023 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2019-09-20 21:27:52,206 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 49 [2019-09-20 21:27:52,261 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 21:27:52,452 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 21:27:52,453 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 21:27:52,454 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 159#false [2019-09-20 21:27:52,464 INFO L100 SifaObserver]: ✔ All error locations are guaranteed to be unreachable. [2019-09-20 21:27:52,465 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 21:27:52,469 INFO L168 Benchmark]: Toolchain (without parser) took 30625.82 ms. Allocated memory was 135.3 MB in the beginning and 312.5 MB in the end (delta: 177.2 MB). Free memory was 89.9 MB in the beginning and 216.7 MB in the end (delta: -126.8 MB). Peak memory consumption was 50.4 MB. Max. memory is 7.1 GB. [2019-09-20 21:27:52,469 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 135.3 MB. Free memory was 109.6 MB in the beginning and 109.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 21:27:52,470 INFO L168 Benchmark]: CACSL2BoogieTranslator took 636.05 ms. Allocated memory was 135.3 MB in the beginning and 202.9 MB in the end (delta: 67.6 MB). Free memory was 89.7 MB in the beginning and 166.0 MB in the end (delta: -76.3 MB). Peak memory consumption was 27.6 MB. Max. memory is 7.1 GB. [2019-09-20 21:27:52,470 INFO L168 Benchmark]: Boogie Preprocessor took 66.90 ms. Allocated memory is still 202.9 MB. Free memory was 166.0 MB in the beginning and 163.1 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. [2019-09-20 21:27:52,471 INFO L168 Benchmark]: RCFGBuilder took 829.79 ms. Allocated memory is still 202.9 MB. Free memory was 163.1 MB in the beginning and 103.1 MB in the end (delta: 60.0 MB). Peak memory consumption was 60.0 MB. Max. memory is 7.1 GB. [2019-09-20 21:27:52,478 INFO L168 Benchmark]: Sifa took 29089.32 ms. Allocated memory was 202.9 MB in the beginning and 312.5 MB in the end (delta: 109.6 MB). Free memory was 103.1 MB in the beginning and 216.7 MB in the end (delta: -113.6 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 21:27:52,480 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 135.3 MB. Free memory was 109.6 MB in the beginning and 109.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 636.05 ms. Allocated memory was 135.3 MB in the beginning and 202.9 MB in the end (delta: 67.6 MB). Free memory was 89.7 MB in the beginning and 166.0 MB in the end (delta: -76.3 MB). Peak memory consumption was 27.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 66.90 ms. Allocated memory is still 202.9 MB. Free memory was 166.0 MB in the beginning and 163.1 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 829.79 ms. Allocated memory is still 202.9 MB. Free memory was 163.1 MB in the beginning and 103.1 MB in the end (delta: 60.0 MB). Peak memory consumption was 60.0 MB. Max. memory is 7.1 GB. * Sifa took 29089.32 ms. Allocated memory was 202.9 MB in the beginning and 312.5 MB in the end (delta: 109.6 MB). Free memory was 103.1 MB in the beginning and 216.7 MB in the end (delta: -113.6 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]: 29038, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 87, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 63, TOOLS_POST_TIME[ms]: 23781, TOOLS_POST_CALL_APPLICATIONS: 11, TOOLS_POST_CALL_TIME[ms]: 46, TOOLS_POST_RETURN_APPLICATIONS: 10, TOOLS_POST_RETURN_TIME[ms]: 1014, TOOLS_QUANTIFIERELIM_APPLICATIONS: 61, TOOLS_QUANTIFIERELIM_TIME[ms]: 24802, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 15190, FLUID_QUERY_TIME[ms]: 7, FLUID_QUERIES: 104, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 28, DOMAIN_JOIN_TIME[ms]: 1373, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 2659, DOMAIN_ISSUBSETEQ_APPLICATIONS: 17, DOMAIN_ISSUBSETEQ_TIME[ms]: 48, DOMAIN_ISBOTTOM_APPLICATIONS: 2, DOMAIN_ISBOTTOM_TIME[ms]: 5, LOOP_SUMMARIZER_APPLICATIONS: 13, LOOP_SUMMARIZER_CACHE_MISSES: 13, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 28179, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 28178, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 17, CALL_SUMMARIZER_APPLICATIONS: 0, CALL_SUMMARIZER_CACHE_MISSES: 10, CALL_SUMMARIZER_OVERALL_TIME[ms]: 0, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 27521, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 22, DAG_COMPRESSION_PROCESSED_NODES: 137, DAG_COMPRESSION_RETAINED_NODES: 74 - PositiveResult [Line: 630]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold RESULT: Ultimate proved your program to be correct! Received shutdown request...