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-simple/sll2c_remove_all.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-18 03:11:21,838 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-18 03:11:21,841 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-18 03:11:21,853 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-18 03:11:21,853 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-18 03:11:21,854 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-18 03:11:21,856 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-18 03:11:21,858 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-18 03:11:21,860 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-18 03:11:21,861 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-18 03:11:21,862 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-18 03:11:21,863 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-18 03:11:21,864 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-18 03:11:21,865 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-18 03:11:21,866 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-18 03:11:21,867 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-18 03:11:21,868 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-18 03:11:21,869 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-18 03:11:21,871 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-18 03:11:21,873 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-18 03:11:21,875 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-18 03:11:21,876 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-18 03:11:21,877 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-18 03:11:21,878 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-18 03:11:21,881 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-18 03:11:21,881 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-18 03:11:21,882 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-18 03:11:21,883 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-18 03:11:21,883 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-18 03:11:21,884 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-18 03:11:21,885 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-18 03:11:21,887 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-18 03:11:21,888 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-18 03:11:21,889 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-18 03:11:21,890 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-18 03:11:21,891 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-18 03:11:21,893 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-18 03:11:21,894 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-18 03:11:21,894 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-18 03:11:21,896 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-18 03:11:21,899 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-18 03:11:21,900 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 03:11:21,927 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-18 03:11:21,927 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-18 03:11:21,930 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-18 03:11:21,930 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-18 03:11:21,930 INFO L138 SettingsManager]: * Use SBE=true [2019-09-18 03:11:21,930 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-18 03:11:21,931 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-18 03:11:21,931 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-18 03:11:21,931 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-18 03:11:21,931 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-18 03:11:21,932 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-18 03:11:21,933 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-18 03:11:21,933 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-18 03:11:21,933 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-18 03:11:21,933 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-18 03:11:21,934 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-18 03:11:21,934 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-18 03:11:21,934 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-18 03:11:21,934 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-18 03:11:21,935 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-18 03:11:21,935 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-18 03:11:21,935 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 03:11:21,936 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-18 03:11:21,936 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-18 03:11:21,936 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-18 03:11:21,936 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-18 03:11:21,937 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-18 03:11:21,937 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-18 03:11:21,937 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 03:11:21,998 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-18 03:11:22,010 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-18 03:11:22,014 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-18 03:11:22,016 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-18 03:11:22,016 INFO L275 PluginConnector]: CDTParser initialized [2019-09-18 03:11:22,017 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/sll2c_remove_all.i [2019-09-18 03:11:22,082 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/989c021c8/6bd70e0b7efd4efd936548903f5fe017/FLAG710ab3673 [2019-09-18 03:11:22,693 INFO L306 CDTParser]: Found 1 translation units. [2019-09-18 03:11:22,697 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/sll2c_remove_all.i [2019-09-18 03:11:22,718 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/989c021c8/6bd70e0b7efd4efd936548903f5fe017/FLAG710ab3673 [2019-09-18 03:11:22,945 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/989c021c8/6bd70e0b7efd4efd936548903f5fe017 [2019-09-18 03:11:22,958 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-18 03:11:22,960 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-18 03:11:22,963 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-18 03:11:22,963 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-18 03:11:22,966 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-18 03:11:22,966 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 03:11:22" (1/1) ... [2019-09-18 03:11:22,969 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f7fe594 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:11:22, skipping insertion in model container [2019-09-18 03:11:22,969 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 03:11:22" (1/1) ... [2019-09-18 03:11:22,977 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-18 03:11:23,033 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-18 03:11:23,469 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 03:11:23,480 INFO L188 MainTranslator]: Completed pre-run [2019-09-18 03:11:23,529 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 03:11:23,590 INFO L192 MainTranslator]: Completed translation [2019-09-18 03:11:23,591 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:11:23 WrapperNode [2019-09-18 03:11:23,591 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-18 03:11:23,592 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-18 03:11:23,592 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-18 03:11:23,592 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-18 03:11:23,606 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:11:23" (1/1) ... [2019-09-18 03:11:23,607 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:11:23" (1/1) ... [2019-09-18 03:11:23,624 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:11:23" (1/1) ... [2019-09-18 03:11:23,624 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:11:23" (1/1) ... [2019-09-18 03:11:23,641 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:11:23" (1/1) ... [2019-09-18 03:11:23,647 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:11:23" (1/1) ... [2019-09-18 03:11:23,650 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:11:23" (1/1) ... [2019-09-18 03:11:23,657 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-18 03:11:23,658 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-18 03:11:23,658 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-18 03:11:23,658 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-18 03:11:23,660 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:11:23" (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 03:11:23,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-18 03:11:23,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-18 03:11:23,723 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-18 03:11:23,723 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-18 03:11:23,723 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-18 03:11:23,723 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-09-18 03:11:23,724 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_create [2019-09-18 03:11:23,724 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_remove_first [2019-09-18 03:11:23,724 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-18 03:11:23,724 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-18 03:11:23,724 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-18 03:11:23,725 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-18 03:11:23,725 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-18 03:11:23,725 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-18 03:11:23,725 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-18 03:11:23,725 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-18 03:11:23,726 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-18 03:11:23,726 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-18 03:11:23,726 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-18 03:11:23,726 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-18 03:11:23,726 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-18 03:11:23,726 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-18 03:11:23,727 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-18 03:11:23,727 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-18 03:11:23,727 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-18 03:11:23,727 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-18 03:11:23,727 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-18 03:11:23,727 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-18 03:11:23,728 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-18 03:11:23,728 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-18 03:11:23,728 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-18 03:11:23,728 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-18 03:11:23,728 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-18 03:11:23,728 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-18 03:11:23,729 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-18 03:11:23,729 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-18 03:11:23,729 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-18 03:11:23,729 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-18 03:11:23,729 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-18 03:11:23,729 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-18 03:11:23,730 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-18 03:11:23,730 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-18 03:11:23,730 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-18 03:11:23,730 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-18 03:11:23,730 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-18 03:11:23,730 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-18 03:11:23,730 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-18 03:11:23,731 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-18 03:11:23,731 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-18 03:11:23,731 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-18 03:11:23,731 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-18 03:11:23,731 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-18 03:11:23,731 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-18 03:11:23,731 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-18 03:11:23,732 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-18 03:11:23,732 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-18 03:11:23,732 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-18 03:11:23,732 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-18 03:11:23,732 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-18 03:11:23,733 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-18 03:11:23,733 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-18 03:11:23,733 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-18 03:11:23,733 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-18 03:11:23,734 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-18 03:11:23,734 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-18 03:11:23,734 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-18 03:11:23,735 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-18 03:11:23,735 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-18 03:11:23,735 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-18 03:11:23,735 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-18 03:11:23,735 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-18 03:11:23,736 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-18 03:11:23,736 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-18 03:11:23,736 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-18 03:11:23,736 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-18 03:11:23,736 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-18 03:11:23,736 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-18 03:11:23,737 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-18 03:11:23,737 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-18 03:11:23,737 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-18 03:11:23,737 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-18 03:11:23,737 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-18 03:11:23,738 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-18 03:11:23,738 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-18 03:11:23,738 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-18 03:11:23,738 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-18 03:11:23,739 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-18 03:11:23,739 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-18 03:11:23,739 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-18 03:11:23,739 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-18 03:11:23,739 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-18 03:11:23,739 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-18 03:11:23,740 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-18 03:11:23,740 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-18 03:11:23,740 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-18 03:11:23,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-18 03:11:23,740 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-18 03:11:23,740 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-18 03:11:23,741 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-18 03:11:23,741 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-18 03:11:23,741 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-18 03:11:23,741 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-18 03:11:23,741 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-18 03:11:23,742 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-18 03:11:23,742 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-18 03:11:23,742 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-18 03:11:23,742 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-18 03:11:23,742 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-18 03:11:23,742 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-18 03:11:23,742 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-18 03:11:23,743 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-18 03:11:23,743 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-18 03:11:23,743 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-18 03:11:23,743 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-18 03:11:23,743 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-18 03:11:23,743 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-18 03:11:23,744 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-09-18 03:11:23,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-18 03:11:23,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-18 03:11:23,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-18 03:11:23,744 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_create [2019-09-18 03:11:23,744 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_remove_first [2019-09-18 03:11:23,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-18 03:11:23,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-18 03:11:23,745 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-18 03:11:23,745 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-18 03:11:23,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-18 03:11:23,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-18 03:11:23,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-18 03:11:23,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-18 03:11:24,145 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-18 03:11:24,394 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-18 03:11:24,395 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-09-18 03:11:24,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 03:11:24 BoogieIcfgContainer [2019-09-18 03:11:24,397 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-18 03:11:24,398 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-18 03:11:24,398 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-18 03:11:24,398 INFO L275 PluginConnector]: Sifa initialized [2019-09-18 03:11:24,400 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 03:11:24" (1/1) ... [2019-09-18 03:11:24,401 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 03:11:24,438 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-18 03:11:24,438 INFO L169 IcfgInterpreter]: Building call graph [2019-09-18 03:11:24,449 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-18 03:11:24,466 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-18 03:11:24,476 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-18 03:11:24,655 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-18 03:11:24,977 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-18 03:11:26,388 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-18 03:11:26,530 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2019-09-18 03:11:26,679 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2019-09-18 03:11:26,828 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-09-18 03:11:26,981 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-09-18 03:11:27,125 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-18 03:11:27,268 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-09-18 03:11:27,412 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2019-09-18 03:11:27,542 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-09-18 03:11:27,672 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-09-18 03:11:27,883 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-09-18 03:11:28,079 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-09-18 03:11:28,249 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-18 03:11:28,400 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2019-09-18 03:11:28,522 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-09-18 03:11:28,654 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2019-09-18 03:11:28,923 WARN L191 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 59 [2019-09-18 03:11:29,040 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2019-09-18 03:11:29,367 WARN L191 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 82 [2019-09-18 03:11:29,529 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-09-18 03:11:29,807 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-09-18 03:11:30,084 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2019-09-18 03:11:30,323 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2019-09-18 03:11:30,571 WARN L191 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-09-18 03:11:30,814 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-09-18 03:11:31,042 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-09-18 03:11:31,296 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-09-18 03:11:31,507 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2019-09-18 03:11:31,730 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2019-09-18 03:11:31,940 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2019-09-18 03:11:32,169 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-09-18 03:11:32,404 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-09-18 03:11:32,597 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-18 03:11:32,781 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-18 03:11:32,950 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2019-09-18 03:11:33,375 WARN L191 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2019-09-18 03:11:33,740 WARN L191 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-09-18 03:11:34,213 WARN L191 SmtUtils]: Spent 440.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2019-09-18 03:11:34,615 WARN L191 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2019-09-18 03:11:34,837 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-09-18 03:11:35,059 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-09-18 03:11:35,265 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-09-18 03:11:35,454 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-18 03:11:35,620 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2019-09-18 03:11:35,936 WARN L191 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2019-09-18 03:11:36,084 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2019-09-18 03:11:36,504 WARN L191 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 84 [2019-09-18 03:11:36,709 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-18 03:11:37,056 WARN L191 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-09-18 03:11:37,393 WARN L191 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2019-09-18 03:11:37,706 WARN L191 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-09-18 03:11:38,022 WARN L191 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-09-18 03:11:38,346 WARN L191 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2019-09-18 03:11:38,671 WARN L191 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2019-09-18 03:11:38,980 WARN L191 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-09-18 03:11:39,286 WARN L191 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-09-18 03:11:39,578 WARN L191 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2019-09-18 03:11:39,882 WARN L191 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2019-09-18 03:11:40,175 WARN L191 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-09-18 03:11:40,446 WARN L191 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-18 03:11:40,702 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2019-09-18 03:11:40,980 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-18 03:11:41,243 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-09-18 03:11:41,512 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-09-18 03:11:41,775 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-09-18 03:11:42,036 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-09-18 03:11:42,281 WARN L191 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-09-18 03:11:42,508 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-18 03:11:43,629 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 145 [2019-09-18 03:11:44,462 WARN L191 SmtUtils]: Spent 811.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2019-09-18 03:11:45,209 WARN L191 SmtUtils]: Spent 733.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-18 03:11:45,791 WARN L191 SmtUtils]: Spent 569.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2019-09-18 03:11:46,272 WARN L191 SmtUtils]: Spent 463.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2019-09-18 03:11:46,694 WARN L191 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2019-09-18 03:11:47,035 WARN L191 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-09-18 03:11:47,327 WARN L191 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-09-18 03:11:47,585 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2019-09-18 03:11:47,837 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-09-18 03:11:48,068 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-18 03:11:48,281 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-09-18 03:11:48,680 WARN L191 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 65 [2019-09-18 03:11:48,882 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2019-09-18 03:11:49,354 WARN L191 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 88 [2019-09-18 03:11:49,592 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-09-18 03:11:50,028 WARN L191 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-09-18 03:11:50,420 WARN L191 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-09-18 03:11:50,807 WARN L191 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-09-18 03:11:51,216 WARN L191 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-09-18 03:11:51,622 WARN L191 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-09-18 03:11:52,012 WARN L191 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2019-09-18 03:11:52,393 WARN L191 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-09-18 03:11:52,796 WARN L191 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2019-09-18 03:11:53,219 WARN L191 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-09-18 03:11:53,586 WARN L191 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2019-09-18 03:11:53,940 WARN L191 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-09-18 03:11:54,286 WARN L191 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2019-09-18 03:11:54,619 WARN L191 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-09-18 03:11:54,959 WARN L191 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-09-18 03:11:55,313 WARN L191 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2019-09-18 03:11:55,651 WARN L191 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2019-09-18 03:11:55,982 WARN L191 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-18 03:11:56,304 WARN L191 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-18 03:11:56,629 WARN L191 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-18 03:11:56,939 WARN L191 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2019-09-18 03:11:57,249 WARN L191 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2019-09-18 03:11:57,568 WARN L191 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-09-18 03:11:57,868 WARN L191 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-18 03:11:58,159 WARN L191 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-18 03:11:58,452 WARN L191 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-09-18 03:12:01,185 WARN L191 SmtUtils]: Spent 2.69 s on a formula simplification that was a NOOP. DAG size: 174 [2019-09-18 03:12:03,169 WARN L191 SmtUtils]: Spent 1.97 s on a formula simplification that was a NOOP. DAG size: 170 [2019-09-18 03:12:04,894 WARN L191 SmtUtils]: Spent 1.71 s on a formula simplification that was a NOOP. DAG size: 166 [2019-09-18 03:12:06,259 WARN L191 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 159 [2019-09-18 03:12:07,327 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 152 [2019-09-18 03:12:08,252 WARN L191 SmtUtils]: Spent 905.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2019-09-18 03:12:08,960 WARN L191 SmtUtils]: Spent 695.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-09-18 03:12:09,573 WARN L191 SmtUtils]: Spent 598.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2019-09-18 03:12:10,069 WARN L191 SmtUtils]: Spent 483.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-09-18 03:12:10,481 WARN L191 SmtUtils]: Spent 399.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2019-09-18 03:12:10,851 WARN L191 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2019-09-18 03:12:11,168 WARN L191 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-09-18 03:12:11,476 WARN L191 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2019-09-18 03:12:11,767 WARN L191 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2019-09-18 03:12:12,037 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-09-18 03:12:12,516 WARN L191 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 69 [2019-09-18 03:12:12,754 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-09-18 03:12:13,344 WARN L191 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 96 [2019-09-18 03:12:14,622 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2019-09-18 03:12:15,051 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 56 [2019-09-18 03:12:15,176 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2019-09-18 03:12:15,409 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 60 [2019-09-18 03:12:15,522 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2019-09-18 03:12:15,826 WARN L191 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 68 [2019-09-18 03:12:15,951 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-09-18 03:12:16,329 WARN L191 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2019-09-18 03:12:17,018 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-18 03:12:17,029 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-18 03:12:17,039 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-18 03:12:17,050 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-18 03:12:17,060 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-18 03:12:18,627 WARN L191 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 131 DAG size of output: 130 [2019-09-18 03:12:19,481 WARN L191 SmtUtils]: Spent 764.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-09-18 03:12:20,250 WARN L191 SmtUtils]: Spent 716.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-09-18 03:12:21,265 WARN L191 SmtUtils]: Spent 926.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2019-09-18 03:12:22,000 WARN L191 SmtUtils]: Spent 625.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-09-18 03:12:22,659 WARN L191 SmtUtils]: Spent 520.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2019-09-18 03:12:23,270 WARN L191 SmtUtils]: Spent 497.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2019-09-18 03:12:23,340 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-18 03:12:23,340 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-18 03:12:23,343 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 161#(and (not (< main_~i~0 main_~len~0)) (or (not (= (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|) 0)) (not (= (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|) 0)))) [2019-09-18 03:12:23,353 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-18 03:12:23,353 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-18 03:12:23,354 INFO L168 Benchmark]: Toolchain (without parser) took 60395.16 ms. Allocated memory was 141.0 MB in the beginning and 488.6 MB in the end (delta: 347.6 MB). Free memory was 87.4 MB in the beginning and 214.9 MB in the end (delta: -127.5 MB). Peak memory consumption was 220.1 MB. Max. memory is 7.1 GB. [2019-09-18 03:12:23,355 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 141.0 MB. Free memory was 107.1 MB in the beginning and 106.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-18 03:12:23,355 INFO L168 Benchmark]: CACSL2BoogieTranslator took 628.77 ms. Allocated memory was 141.0 MB in the beginning and 199.8 MB in the end (delta: 58.7 MB). Free memory was 87.2 MB in the beginning and 161.8 MB in the end (delta: -74.6 MB). Peak memory consumption was 21.2 MB. Max. memory is 7.1 GB. [2019-09-18 03:12:23,355 INFO L168 Benchmark]: Boogie Preprocessor took 65.90 ms. Allocated memory is still 199.8 MB. Free memory was 161.8 MB in the beginning and 158.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. [2019-09-18 03:12:23,356 INFO L168 Benchmark]: RCFGBuilder took 738.90 ms. Allocated memory is still 199.8 MB. Free memory was 158.7 MB in the beginning and 112.8 MB in the end (delta: 46.0 MB). Peak memory consumption was 46.0 MB. Max. memory is 7.1 GB. [2019-09-18 03:12:23,356 INFO L168 Benchmark]: Sifa took 58955.31 ms. Allocated memory was 199.8 MB in the beginning and 488.6 MB in the end (delta: 288.9 MB). Free memory was 112.8 MB in the beginning and 214.9 MB in the end (delta: -102.2 MB). Peak memory consumption was 186.7 MB. Max. memory is 7.1 GB. [2019-09-18 03:12:23,357 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 141.0 MB. Free memory was 107.1 MB in the beginning and 106.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 628.77 ms. Allocated memory was 141.0 MB in the beginning and 199.8 MB in the end (delta: 58.7 MB). Free memory was 87.2 MB in the beginning and 161.8 MB in the end (delta: -74.6 MB). Peak memory consumption was 21.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 65.90 ms. Allocated memory is still 199.8 MB. Free memory was 161.8 MB in the beginning and 158.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 738.90 ms. Allocated memory is still 199.8 MB. Free memory was 158.7 MB in the beginning and 112.8 MB in the end (delta: 46.0 MB). Peak memory consumption was 46.0 MB. Max. memory is 7.1 GB. * Sifa took 58955.31 ms. Allocated memory was 199.8 MB in the beginning and 488.6 MB in the end (delta: 288.9 MB). Free memory was 112.8 MB in the beginning and 214.9 MB in the end (delta: -102.2 MB). Peak memory consumption was 186.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 58905, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 74, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 57, TOOLS_POST_TIME[ms]: 24612, TOOLS_POST_CALL_APPLICATIONS: 14, TOOLS_POST_CALL_TIME[ms]: 473, TOOLS_POST_RETURN_APPLICATIONS: 13, TOOLS_POST_RETURN_TIME[ms]: 26192, TOOLS_QUANTIFIERELIM_APPLICATIONS: 84, TOOLS_QUANTIFIERELIM_TIME[ms]: 51230, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 13584, FLUID_QUERY_TIME[ms]: 8, FLUID_QUERIES: 85, FLUID_YES_ANSWERS: 1, DOMAIN_JOIN_APPLICATIONS: 26, DOMAIN_JOIN_TIME[ms]: 4000, DOMAIN_ALPHA_APPLICATIONS: 1, DOMAIN_ALPHA_TIME[ms]: 13, DOMAIN_WIDEN_APPLICATIONS: 8, DOMAIN_WIDEN_TIME[ms]: 3449, DOMAIN_ISSUBSETEQ_APPLICATIONS: 11, DOMAIN_ISSUBSETEQ_TIME[ms]: 18, DOMAIN_ISBOTTOM_APPLICATIONS: 8, DOMAIN_ISBOTTOM_TIME[ms]: 17, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 49906, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 49904, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 11, CALL_SUMMARIZER_APPLICATIONS: 13, CALL_SUMMARIZER_CACHE_MISSES: 5, CALL_SUMMARIZER_OVERALL_TIME[ms]: 52003, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 52003, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 28, DAG_COMPRESSION_PROCESSED_NODES: 162, DAG_COMPRESSION_RETAINED_NODES: 73 - UnprovableResult [Line: 612]: 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 161#(and (not (< main_~i~0 main_~len~0)) (or (not (= (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|) 0)) (not (= (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|) 0)))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...