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 NeverFluid --sifa.intern.fluid NeverFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/list-ext3-properties/dll_circular_traversal-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 23:22:04,697 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 23:22:04,699 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 23:22:04,712 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 23:22:04,712 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 23:22:04,713 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 23:22:04,715 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 23:22:04,717 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 23:22:04,719 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 23:22:04,720 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 23:22:04,721 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 23:22:04,722 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 23:22:04,722 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 23:22:04,723 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 23:22:04,725 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 23:22:04,728 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 23:22:04,729 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 23:22:04,733 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 23:22:04,736 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 23:22:04,742 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 23:22:04,746 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 23:22:04,748 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 23:22:04,751 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 23:22:04,752 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 23:22:04,755 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 23:22:04,755 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 23:22:04,756 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 23:22:04,757 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 23:22:04,759 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 23:22:04,761 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 23:22:04,762 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 23:22:04,763 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 23:22:04,763 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 23:22:04,764 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 23:22:04,766 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 23:22:04,767 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 23:22:04,768 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 23:22:04,768 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 23:22:04,768 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 23:22:04,769 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 23:22:04,770 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 23:22:04,772 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 23:22:04,793 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 23:22:04,794 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 23:22:04,796 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 23:22:04,796 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 23:22:04,797 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 23:22:04,797 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 23:22:04,797 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 23:22:04,797 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 23:22:04,798 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 23:22:04,798 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 23:22:04,799 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 23:22:04,799 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 23:22:04,799 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 23:22:04,800 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 23:22:04,800 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 23:22:04,800 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 23:22:04,800 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 23:22:04,800 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 23:22:04,801 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 23:22:04,801 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 23:22:04,801 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 23:22:04,801 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 23:22:04,801 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 23:22:04,802 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 23:22:04,802 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 23:22:04,802 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 23:22:04,803 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 23:22:04,803 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 23:22:04,803 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 -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 23:22:04,870 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 23:22:04,883 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 23:22:04,886 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 23:22:04,888 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 23:22:04,888 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 23:22:04,889 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-ext3-properties/dll_circular_traversal-2.i [2019-09-20 23:22:04,953 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76643c50e/48eef61603e74b4194af665553c7b659/FLAGacb43a493 [2019-09-20 23:22:05,505 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 23:22:05,506 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-ext3-properties/dll_circular_traversal-2.i [2019-09-20 23:22:05,528 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76643c50e/48eef61603e74b4194af665553c7b659/FLAGacb43a493 [2019-09-20 23:22:05,805 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76643c50e/48eef61603e74b4194af665553c7b659 [2019-09-20 23:22:05,816 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 23:22:05,818 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 23:22:05,819 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 23:22:05,819 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 23:22:05,822 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 23:22:05,823 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 11:22:05" (1/1) ... [2019-09-20 23:22:05,825 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35cf5178 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:22:05, skipping insertion in model container [2019-09-20 23:22:05,825 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 11:22:05" (1/1) ... [2019-09-20 23:22:05,833 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 23:22:05,878 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 23:22:06,321 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 23:22:06,332 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 23:22:06,396 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 23:22:06,454 INFO L192 MainTranslator]: Completed translation [2019-09-20 23:22:06,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:22:06 WrapperNode [2019-09-20 23:22:06,455 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 23:22:06,456 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 23:22:06,456 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 23:22:06,456 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 23:22:06,471 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:22:06" (1/1) ... [2019-09-20 23:22:06,471 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:22:06" (1/1) ... [2019-09-20 23:22:06,499 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:22:06" (1/1) ... [2019-09-20 23:22:06,499 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:22:06" (1/1) ... [2019-09-20 23:22:06,522 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:22:06" (1/1) ... [2019-09-20 23:22:06,529 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:22:06" (1/1) ... [2019-09-20 23:22:06,532 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:22:06" (1/1) ... [2019-09-20 23:22:06,538 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 23:22:06,539 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 23:22:06,539 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 23:22:06,539 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 23:22:06,540 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:22:06" (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 23:22:06,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 23:22:06,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 23:22:06,604 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-20 23:22:06,604 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-20 23:22:06,604 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-20 23:22:06,604 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_create [2019-09-20 23:22:06,605 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 23:22:06,605 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 23:22:06,605 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-20 23:22:06,605 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-20 23:22:06,605 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-20 23:22:06,605 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-20 23:22:06,606 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-20 23:22:06,606 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-20 23:22:06,606 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-20 23:22:06,606 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-20 23:22:06,606 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-20 23:22:06,607 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-20 23:22:06,607 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-20 23:22:06,607 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-20 23:22:06,607 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-20 23:22:06,607 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-20 23:22:06,607 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-20 23:22:06,607 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-20 23:22:06,608 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-20 23:22:06,608 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-20 23:22:06,608 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-20 23:22:06,608 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-20 23:22:06,608 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-20 23:22:06,609 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-20 23:22:06,609 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-20 23:22:06,609 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-20 23:22:06,609 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-20 23:22:06,609 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-20 23:22:06,609 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-20 23:22:06,610 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-20 23:22:06,610 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-20 23:22:06,610 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-20 23:22:06,610 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-20 23:22:06,610 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-20 23:22:06,610 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-20 23:22:06,611 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-20 23:22:06,611 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-20 23:22:06,611 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-20 23:22:06,611 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-20 23:22:06,611 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-20 23:22:06,611 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-20 23:22:06,612 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-20 23:22:06,612 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-20 23:22:06,612 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-20 23:22:06,612 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-20 23:22:06,612 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-20 23:22:06,612 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-20 23:22:06,612 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-20 23:22:06,613 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-20 23:22:06,613 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-20 23:22:06,613 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-20 23:22:06,613 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-20 23:22:06,613 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-20 23:22:06,613 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-20 23:22:06,614 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 23:22:06,614 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-20 23:22:06,614 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-20 23:22:06,614 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 23:22:06,614 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-20 23:22:06,614 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-20 23:22:06,615 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-20 23:22:06,615 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-20 23:22:06,615 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-20 23:22:06,615 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-20 23:22:06,615 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-20 23:22:06,615 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-20 23:22:06,616 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-20 23:22:06,616 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-20 23:22:06,616 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-20 23:22:06,616 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-20 23:22:06,616 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-20 23:22:06,616 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-20 23:22:06,617 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-20 23:22:06,617 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-20 23:22:06,617 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-20 23:22:06,617 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-20 23:22:06,617 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-20 23:22:06,617 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-20 23:22:06,618 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-20 23:22:06,618 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-20 23:22:06,618 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-20 23:22:06,618 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-20 23:22:06,618 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-20 23:22:06,618 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-20 23:22:06,619 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-20 23:22:06,619 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-20 23:22:06,619 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-20 23:22:06,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-20 23:22:06,619 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-20 23:22:06,619 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-20 23:22:06,619 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-20 23:22:06,620 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-20 23:22:06,620 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-20 23:22:06,620 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-20 23:22:06,620 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-20 23:22:06,620 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-20 23:22:06,620 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-20 23:22:06,620 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-20 23:22:06,621 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-20 23:22:06,621 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-20 23:22:06,621 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-20 23:22:06,621 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-20 23:22:06,621 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-20 23:22:06,621 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-20 23:22:06,621 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-20 23:22:06,622 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-20 23:22:06,622 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-20 23:22:06,622 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-20 23:22:06,622 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_create [2019-09-20 23:22:06,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 23:22:06,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 23:22:06,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 23:22:06,623 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 23:22:06,623 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 23:22:06,623 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 23:22:06,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 23:22:06,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 23:22:06,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 23:22:07,093 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-20 23:22:07,244 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 23:22:07,244 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-09-20 23:22:07,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 11:22:07 BoogieIcfgContainer [2019-09-20 23:22:07,246 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 23:22:07,246 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 23:22:07,246 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 23:22:07,247 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 23:22:07,248 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 11:22:07" (1/1) ... [2019-09-20 23:22:07,250 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=NeverFluid ♦ 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=NeverFluid [2019-09-20 23:22:07,284 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 23:22:07,284 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 23:22:07,291 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 23:22:07,300 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 23:22:07,301 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 23:22:07,452 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-20 23:22:07,600 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-20 23:22:07,678 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 23:22:07,856 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2019-09-20 23:22:08,442 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2019-09-20 23:22:08,465 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 23:22:08,607 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2019-09-20 23:22:09,176 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2019-09-20 23:22:09,313 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 68 [2019-09-20 23:22:09,677 WARN L191 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-09-20 23:22:09,922 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-09-20 23:22:10,207 WARN L191 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-20 23:22:10,405 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-09-20 23:22:10,541 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-09-20 23:22:10,929 WARN L191 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 88 [2019-09-20 23:22:11,250 WARN L191 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 89 [2019-09-20 23:22:11,496 WARN L191 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 89 [2019-09-20 23:22:11,611 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-09-20 23:22:11,831 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 89 [2019-09-20 23:22:11,939 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-09-20 23:22:12,178 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2019-09-20 23:22:12,478 WARN L191 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2019-09-20 23:22:15,509 WARN L191 SmtUtils]: Spent 2.97 s on a formula simplification that was a NOOP. DAG size: 188 [2019-09-20 23:22:18,653 WARN L191 SmtUtils]: Spent 3.13 s on a formula simplification that was a NOOP. DAG size: 185 [2019-09-20 23:22:21,455 WARN L191 SmtUtils]: Spent 2.77 s on a formula simplification that was a NOOP. DAG size: 179 [2019-09-20 23:22:24,036 WARN L191 SmtUtils]: Spent 2.57 s on a formula simplification that was a NOOP. DAG size: 176 [2019-09-20 23:22:26,610 WARN L191 SmtUtils]: Spent 2.56 s on a formula simplification that was a NOOP. DAG size: 173 [2019-09-20 23:22:28,345 WARN L191 SmtUtils]: Spent 1.69 s on a formula simplification that was a NOOP. DAG size: 166 [2019-09-20 23:22:29,913 WARN L191 SmtUtils]: Spent 1.56 s on a formula simplification that was a NOOP. DAG size: 162 [2019-09-20 23:22:30,921 WARN L191 SmtUtils]: Spent 964.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-09-20 23:22:31,539 WARN L191 SmtUtils]: Spent 558.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2019-09-20 23:22:31,999 WARN L191 SmtUtils]: Spent 426.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2019-09-20 23:22:33,238 WARN L191 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 142 DAG size of output: 131 [2019-09-20 23:22:33,728 WARN L191 SmtUtils]: Spent 437.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-09-20 23:22:34,647 WARN L191 SmtUtils]: Spent 873.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 145 [2019-09-20 23:22:35,067 WARN L191 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2019-09-20 23:22:35,903 WARN L191 SmtUtils]: Spent 775.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 141 [2019-09-20 23:22:36,807 WARN L191 SmtUtils]: Spent 822.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 138 [2019-09-20 23:22:37,566 WARN L191 SmtUtils]: Spent 742.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 138 [2019-09-20 23:22:37,940 WARN L191 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2019-09-20 23:22:38,703 WARN L191 SmtUtils]: Spent 762.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 138 [2019-09-20 23:22:39,077 WARN L191 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2019-09-20 23:22:40,041 WARN L191 SmtUtils]: Spent 957.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 146 [2019-09-20 23:22:40,523 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2019-09-20 23:22:40,711 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 23:22:41,022 WARN L191 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2019-09-20 23:22:41,413 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 56 [2019-09-20 23:22:41,554 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2019-09-20 23:22:41,790 WARN L191 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 56 [2019-09-20 23:22:41,904 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2019-09-20 23:22:42,428 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 23:22:42,559 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2019-09-20 23:22:43,029 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 91 [2019-09-20 23:22:44,539 WARN L191 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 139 [2019-09-20 23:22:45,715 WARN L191 SmtUtils]: Spent 811.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 126 [2019-09-20 23:22:46,222 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 50 [2019-09-20 23:22:46,977 WARN L191 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 130 [2019-09-20 23:22:47,416 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2019-09-20 23:22:48,149 WARN L191 SmtUtils]: Spent 717.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 136 [2019-09-20 23:22:48,207 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 23:22:48,339 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 23:22:48,486 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 23:22:48,568 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 23:22:48,578 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 23:22:48,622 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 23:22:49,166 WARN L191 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 77 [2019-09-20 23:22:49,495 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 60 [2019-09-20 23:22:50,123 WARN L191 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 76 [2019-09-20 23:22:50,456 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 58