java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/list-simple/dll2c_update_all_reverse.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 14:09:55,665 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 14:09:55,667 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 14:09:55,679 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 14:09:55,679 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 14:09:55,680 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 14:09:55,681 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 14:09:55,683 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 14:09:55,685 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 14:09:55,685 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 14:09:55,686 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 14:09:55,687 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 14:09:55,688 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 14:09:55,689 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 14:09:55,690 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 14:09:55,691 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 14:09:55,691 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 14:09:55,692 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 14:09:55,694 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 14:09:55,695 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 14:09:55,697 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 14:09:55,698 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 14:09:55,699 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 14:09:55,699 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 14:09:55,701 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 14:09:55,702 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 14:09:55,702 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 14:09:55,703 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 14:09:55,703 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 14:09:55,704 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 14:09:55,704 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 14:09:55,705 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 14:09:55,705 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 14:09:55,706 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 14:09:55,707 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 14:09:55,707 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 14:09:55,708 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 14:09:55,708 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 14:09:55,708 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 14:09:55,709 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 14:09:55,710 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 14:09:55,710 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 14:09:55,725 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 14:09:55,725 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 14:09:55,726 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 14:09:55,726 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 14:09:55,726 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 14:09:55,727 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 14:09:55,727 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 14:09:55,727 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 14:09:55,727 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 14:09:55,728 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 14:09:55,728 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 14:09:55,728 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 14:09:55,728 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 14:09:55,728 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 14:09:55,729 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 14:09:55,729 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 14:09:55,729 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 14:09:55,730 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 14:09:55,730 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 14:09:55,730 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 14:09:55,731 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 14:09:55,731 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 14:09:55,731 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 14:09:55,732 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 14:09:55,732 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 14:09:55,732 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 14:09:55,733 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 14:09:55,733 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 14:09:55,733 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> 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 14:09:55,769 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 14:09:55,782 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 14:09:55,785 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 14:09:55,787 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 14:09:55,787 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 14:09:55,788 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/dll2c_update_all_reverse.i [2019-09-20 14:09:55,858 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e178d917/fe35d9f91c6847b0b181c61d53f80a71/FLAGa982d973a [2019-09-20 14:09:56,404 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 14:09:56,406 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/dll2c_update_all_reverse.i [2019-09-20 14:09:56,430 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e178d917/fe35d9f91c6847b0b181c61d53f80a71/FLAGa982d973a [2019-09-20 14:09:56,678 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e178d917/fe35d9f91c6847b0b181c61d53f80a71 [2019-09-20 14:09:56,686 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 14:09:56,688 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 14:09:56,689 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 14:09:56,689 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 14:09:56,692 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 14:09:56,693 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:09:56" (1/1) ... [2019-09-20 14:09:56,695 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e770697 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:09:56, skipping insertion in model container [2019-09-20 14:09:56,696 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:09:56" (1/1) ... [2019-09-20 14:09:56,702 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 14:09:56,745 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 14:09:57,149 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 14:09:57,159 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 14:09:57,257 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 14:09:57,312 INFO L192 MainTranslator]: Completed translation [2019-09-20 14:09:57,313 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:09:57 WrapperNode [2019-09-20 14:09:57,313 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 14:09:57,314 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 14:09:57,314 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 14:09:57,314 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 14:09:57,327 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:09:57" (1/1) ... [2019-09-20 14:09:57,327 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:09:57" (1/1) ... [2019-09-20 14:09:57,344 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:09:57" (1/1) ... [2019-09-20 14:09:57,345 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:09:57" (1/1) ... [2019-09-20 14:09:57,361 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:09:57" (1/1) ... [2019-09-20 14:09:57,373 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:09:57" (1/1) ... [2019-09-20 14:09:57,382 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:09:57" (1/1) ... [2019-09-20 14:09:57,393 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 14:09:57,394 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 14:09:57,396 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 14:09:57,396 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 14:09:57,397 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:09:57" (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 14:09:57,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 14:09:57,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 14:09:57,450 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-20 14:09:57,450 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-20 14:09:57,452 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-20 14:09:57,453 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-09-20 14:09:57,453 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_create [2019-09-20 14:09:57,453 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_destroy [2019-09-20 14:09:57,454 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_get_data_at [2019-09-20 14:09:57,454 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_update_at [2019-09-20 14:09:57,454 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 14:09:57,455 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 14:09:57,455 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-20 14:09:57,455 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-20 14:09:57,455 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-20 14:09:57,456 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-20 14:09:57,458 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-20 14:09:57,458 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-20 14:09:57,458 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-20 14:09:57,458 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-20 14:09:57,458 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-20 14:09:57,459 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-20 14:09:57,459 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-20 14:09:57,460 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-20 14:09:57,460 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-20 14:09:57,461 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-20 14:09:57,462 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-20 14:09:57,462 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-20 14:09:57,462 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-20 14:09:57,463 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-20 14:09:57,463 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-20 14:09:57,463 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-20 14:09:57,463 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-20 14:09:57,463 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-20 14:09:57,463 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-20 14:09:57,463 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-20 14:09:57,464 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-20 14:09:57,464 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-20 14:09:57,464 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-20 14:09:57,464 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-20 14:09:57,465 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-20 14:09:57,465 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-20 14:09:57,466 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-20 14:09:57,466 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-20 14:09:57,466 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-20 14:09:57,466 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-20 14:09:57,466 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-20 14:09:57,467 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-20 14:09:57,467 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-20 14:09:57,467 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-20 14:09:57,467 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-20 14:09:57,467 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-20 14:09:57,467 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-20 14:09:57,467 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-20 14:09:57,468 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-20 14:09:57,468 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-20 14:09:57,468 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-20 14:09:57,468 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-20 14:09:57,468 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-20 14:09:57,469 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-20 14:09:57,469 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-20 14:09:57,469 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-20 14:09:57,469 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-20 14:09:57,470 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-20 14:09:57,470 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 14:09:57,470 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-20 14:09:57,470 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-20 14:09:57,470 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 14:09:57,471 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-20 14:09:57,471 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-20 14:09:57,471 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-20 14:09:57,472 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-20 14:09:57,472 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-20 14:09:57,472 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-20 14:09:57,473 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-20 14:09:57,473 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-20 14:09:57,473 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-20 14:09:57,473 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-20 14:09:57,474 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-20 14:09:57,474 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-20 14:09:57,474 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-20 14:09:57,475 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-20 14:09:57,475 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-20 14:09:57,475 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-20 14:09:57,475 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-20 14:09:57,475 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-20 14:09:57,475 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-20 14:09:57,476 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-20 14:09:57,476 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-20 14:09:57,476 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-20 14:09:57,476 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-20 14:09:57,476 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-20 14:09:57,476 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-20 14:09:57,476 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-20 14:09:57,477 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-20 14:09:57,477 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-20 14:09:57,477 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-20 14:09:57,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-20 14:09:57,477 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-20 14:09:57,477 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-20 14:09:57,477 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-20 14:09:57,477 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-20 14:09:57,477 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-20 14:09:57,477 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-20 14:09:57,478 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-20 14:09:57,478 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-20 14:09:57,478 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-20 14:09:57,478 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-20 14:09:57,478 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-20 14:09:57,478 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-20 14:09:57,478 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-20 14:09:57,478 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-20 14:09:57,478 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-20 14:09:57,478 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-20 14:09:57,478 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-20 14:09:57,479 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-20 14:09:57,479 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-20 14:09:57,479 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-20 14:09:57,479 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-09-20 14:09:57,479 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 14:09:57,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 14:09:57,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 14:09:57,480 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_create [2019-09-20 14:09:57,480 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_destroy [2019-09-20 14:09:57,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 14:09:57,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 14:09:57,480 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_get_data_at [2019-09-20 14:09:57,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 14:09:57,480 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_update_at [2019-09-20 14:09:57,480 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 14:09:57,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 14:09:57,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 14:09:57,931 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-20 14:09:58,168 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 14:09:58,169 INFO L283 CfgBuilder]: Removed 6 assume(true) statements. [2019-09-20 14:09:58,170 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:09:58 BoogieIcfgContainer [2019-09-20 14:09:58,170 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 14:09:58,171 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 14:09:58,171 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 14:09:58,171 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 14:09:58,172 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:09:58" (1/1) ... [2019-09-20 14:09:58,173 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 [2019-09-20 14:09:58,198 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 14:09:58,199 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 14:09:58,213 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 14:09:58,221 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 14:09:58,222 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 14:09:58,365 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-20 14:09:58,470 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-20 14:09:59,597 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2019-09-20 14:09:59,873 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 65 [2019-09-20 14:10:00,026 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2019-09-20 14:10:00,350 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2019-09-20 14:10:01,087 WARN L191 SmtUtils]: Spent 664.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 119 [2019-09-20 14:10:01,395 WARN L191 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2019-09-20 14:10:01,720 WARN L191 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-09-20 14:10:02,046 WARN L191 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-09-20 14:10:02,351 WARN L191 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-20 14:10:02,655 WARN L191 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2019-09-20 14:10:02,957 WARN L191 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2019-09-20 14:10:03,221 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-09-20 14:10:03,562 WARN L191 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 79 [2019-09-20 14:10:03,849 WARN L191 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 70 [2019-09-20 14:10:05,142 WARN L191 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 129 [2019-09-20 14:10:06,098 WARN L191 SmtUtils]: Spent 929.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2019-09-20 14:10:06,604 WARN L191 SmtUtils]: Spent 481.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2019-09-20 14:10:07,124 WARN L191 SmtUtils]: Spent 498.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-20 14:10:07,838 WARN L191 SmtUtils]: Spent 669.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 104 [2019-09-20 14:10:08,326 WARN L191 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 100 [2019-09-20 14:10:08,758 WARN L191 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 94 [2019-09-20 14:10:09,104 WARN L191 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2019-09-20 14:10:09,262 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-09-20 14:10:09,420 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-09-20 14:10:09,829 WARN L191 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 110 [2019-09-20 14:10:18,919 WARN L191 SmtUtils]: Spent 8.34 s on a formula simplification that was a NOOP. DAG size: 137 [2019-09-20 14:10:23,858 WARN L191 SmtUtils]: Spent 4.63 s on a formula simplification that was a NOOP. DAG size: 127 [2019-09-20 14:10:28,654 WARN L191 SmtUtils]: Spent 4.28 s on a formula simplification that was a NOOP. DAG size: 121 [2019-09-20 14:10:31,519 WARN L191 SmtUtils]: Spent 2.83 s on a formula simplification that was a NOOP. DAG size: 111 [2019-09-20 14:10:34,239 WARN L191 SmtUtils]: Spent 2.51 s on a formula simplification. DAG size of input: 110 DAG size of output: 107 [2019-09-20 14:10:34,971 WARN L191 SmtUtils]: Spent 649.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 88 [2019-09-20 14:10:35,397 WARN L191 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 83 [2019-09-20 14:10:35,772 WARN L191 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-20 14:10:36,077 WARN L191 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 68 [2019-09-20 14:10:43,490 WARN L191 SmtUtils]: Spent 6.61 s on a formula simplification that was a NOOP. DAG size: 135