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 CompoundDomain --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-ext3-properties/dll_circular_traversal-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 17:28:50,052 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 17:28:50,054 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 17:28:50,066 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 17:28:50,066 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 17:28:50,068 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 17:28:50,069 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 17:28:50,071 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 17:28:50,072 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 17:28:50,073 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 17:28:50,074 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 17:28:50,076 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 17:28:50,076 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 17:28:50,077 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 17:28:50,078 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 17:28:50,079 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 17:28:50,080 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 17:28:50,085 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 17:28:50,087 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 17:28:50,089 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 17:28:50,090 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 17:28:50,091 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 17:28:50,093 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 17:28:50,093 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 17:28:50,096 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 17:28:50,096 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 17:28:50,096 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 17:28:50,097 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 17:28:50,098 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 17:28:50,099 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 17:28:50,099 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 17:28:50,100 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 17:28:50,100 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 17:28:50,101 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 17:28:50,102 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 17:28:50,102 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 17:28:50,103 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 17:28:50,103 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 17:28:50,103 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 17:28:50,104 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 17:28:50,105 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 17:28:50,106 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 17:28:50,120 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 17:28:50,120 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 17:28:50,122 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 17:28:50,122 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 17:28:50,122 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 17:28:50,122 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 17:28:50,123 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 17:28:50,123 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 17:28:50,123 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 17:28:50,123 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 17:28:50,123 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 17:28:50,124 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 17:28:50,124 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 17:28:50,124 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 17:28:50,124 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 17:28:50,124 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 17:28:50,125 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 17:28:50,125 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 17:28:50,125 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 17:28:50,125 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 17:28:50,125 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 17:28:50,126 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 17:28:50,126 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 17:28:50,126 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 17:28:50,126 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 17:28:50,126 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 17:28:50,127 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 17:28:50,127 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 17:28:50,127 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain 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 17:28:50,166 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 17:28:50,181 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 17:28:50,188 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 17:28:50,189 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 17:28:50,190 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 17:28:50,191 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-ext3-properties/dll_circular_traversal-2.i [2019-09-20 17:28:50,266 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d05fe597/40de1bd4a2e34b1ea2f048a13c966169/FLAG3058832f1 [2019-09-20 17:28:50,829 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 17:28:50,830 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-ext3-properties/dll_circular_traversal-2.i [2019-09-20 17:28:50,851 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d05fe597/40de1bd4a2e34b1ea2f048a13c966169/FLAG3058832f1 [2019-09-20 17:28:51,129 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d05fe597/40de1bd4a2e34b1ea2f048a13c966169 [2019-09-20 17:28:51,141 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 17:28:51,142 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 17:28:51,143 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 17:28:51,143 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 17:28:51,148 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 17:28:51,149 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 05:28:51" (1/1) ... [2019-09-20 17:28:51,152 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2feb5f16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:28:51, skipping insertion in model container [2019-09-20 17:28:51,152 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 05:28:51" (1/1) ... [2019-09-20 17:28:51,160 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 17:28:51,212 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 17:28:51,657 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 17:28:51,666 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 17:28:51,708 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 17:28:51,782 INFO L192 MainTranslator]: Completed translation [2019-09-20 17:28:51,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:28:51 WrapperNode [2019-09-20 17:28:51,783 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 17:28:51,783 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 17:28:51,784 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 17:28:51,784 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 17:28:51,797 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:28:51" (1/1) ... [2019-09-20 17:28:51,797 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:28:51" (1/1) ... [2019-09-20 17:28:51,813 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:28:51" (1/1) ... [2019-09-20 17:28:51,814 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:28:51" (1/1) ... [2019-09-20 17:28:51,830 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:28:51" (1/1) ... [2019-09-20 17:28:51,835 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:28:51" (1/1) ... [2019-09-20 17:28:51,839 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:28:51" (1/1) ... [2019-09-20 17:28:51,845 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 17:28:51,846 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 17:28:51,846 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 17:28:51,846 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 17:28:51,847 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:28:51" (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 17:28:51,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 17:28:51,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 17:28:51,904 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-20 17:28:51,904 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-20 17:28:51,905 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-20 17:28:51,905 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_create [2019-09-20 17:28:51,906 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 17:28:51,906 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 17:28:51,906 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-20 17:28:51,907 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-20 17:28:51,907 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-20 17:28:51,908 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-20 17:28:51,908 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-20 17:28:51,908 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-20 17:28:51,908 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-20 17:28:51,909 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-20 17:28:51,911 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-20 17:28:51,911 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-20 17:28:51,912 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-20 17:28:51,912 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-20 17:28:51,912 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-20 17:28:51,912 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-20 17:28:51,912 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-20 17:28:51,912 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-20 17:28:51,913 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-20 17:28:51,913 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-20 17:28:51,913 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-20 17:28:51,913 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-20 17:28:51,913 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-20 17:28:51,913 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-20 17:28:51,913 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-20 17:28:51,914 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-20 17:28:51,914 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-20 17:28:51,914 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-20 17:28:51,914 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-20 17:28:51,914 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-20 17:28:51,914 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-20 17:28:51,914 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-20 17:28:51,915 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-20 17:28:51,915 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-20 17:28:51,915 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-20 17:28:51,915 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-20 17:28:51,915 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-20 17:28:51,915 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-20 17:28:51,916 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-20 17:28:51,916 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-20 17:28:51,916 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-20 17:28:51,916 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-20 17:28:51,916 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-20 17:28:51,917 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-20 17:28:51,917 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-20 17:28:51,917 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-20 17:28:51,917 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-20 17:28:51,917 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-20 17:28:51,917 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-20 17:28:51,917 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-20 17:28:51,918 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-20 17:28:51,918 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-20 17:28:51,918 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-20 17:28:51,919 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-20 17:28:51,919 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 17:28:51,919 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-20 17:28:51,919 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-20 17:28:51,919 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 17:28:51,920 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-20 17:28:51,920 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-20 17:28:51,920 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-20 17:28:51,920 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-20 17:28:51,921 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-20 17:28:51,921 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-20 17:28:51,921 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-20 17:28:51,921 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-20 17:28:51,922 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-20 17:28:51,922 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-20 17:28:51,922 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-20 17:28:51,923 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-20 17:28:51,923 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-20 17:28:51,923 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-20 17:28:51,924 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-20 17:28:51,924 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-20 17:28:51,924 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-20 17:28:51,925 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-20 17:28:51,925 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-20 17:28:51,925 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-20 17:28:51,925 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-20 17:28:51,925 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-20 17:28:51,926 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-20 17:28:51,926 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-20 17:28:51,927 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-20 17:28:51,927 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-20 17:28:51,927 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-20 17:28:51,927 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-20 17:28:51,927 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-20 17:28:51,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-20 17:28:51,927 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-20 17:28:51,928 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-20 17:28:51,928 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-20 17:28:51,928 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-20 17:28:51,928 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-20 17:28:51,928 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-20 17:28:51,928 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-20 17:28:51,928 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-20 17:28:51,929 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-20 17:28:51,929 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-20 17:28:51,929 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-20 17:28:51,929 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-20 17:28:51,929 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-20 17:28:51,929 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-20 17:28:51,929 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-20 17:28:51,930 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-20 17:28:51,930 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-20 17:28:51,930 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-20 17:28:51,930 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-20 17:28:51,930 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-20 17:28:51,930 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_create [2019-09-20 17:28:51,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 17:28:51,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 17:28:51,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 17:28:51,931 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 17:28:51,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 17:28:51,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 17:28:51,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 17:28:51,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 17:28:51,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 17:28:52,389 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-20 17:28:52,530 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 17:28:52,530 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-09-20 17:28:52,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 05:28:52 BoogieIcfgContainer [2019-09-20 17:28:52,532 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 17:28:52,533 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 17:28:52,533 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 17:28:52,533 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 17:28:52,534 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 05:28:52" (1/1) ... [2019-09-20 17:28:52,535 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=CompoundDomain ♦ 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 17:28:52,566 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 17:28:52,567 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 17:28:52,575 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 17:28:52,585 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 17:28:52,588 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 17:28:52,812 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 25 for LOIs [2019-09-20 17:28:52,935 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-20 17:28:53,004 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 17:28:53,183 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2019-09-20 17:28:53,762 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2019-09-20 17:28:53,787 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 17:28:53,941 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2019-09-20 17:28:54,493 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2019-09-20 17:28:54,636 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 68 [2019-09-20 17:28:54,914 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 68 [2019-09-20 17:28:55,284 WARN L191 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-09-20 17:28:55,571 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-09-20 17:28:55,848 WARN L191 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-20 17:28:56,031 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-09-20 17:28:56,172 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-09-20 17:28:56,294 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-09-20 17:28:56,539 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 88 [2019-09-20 17:28:56,839 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 89 [2019-09-20 17:28:57,080 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 89 [2019-09-20 17:28:57,191 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-09-20 17:28:57,477 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 89 [2019-09-20 17:28:57,731 WARN L191 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 89 [2019-09-20 17:28:57,865 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-09-20 17:28:58,155 WARN L191 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 89 [2019-09-20 17:28:58,417 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2019-09-20 17:28:58,657 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2019-09-20 17:28:59,172 WARN L191 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 99 [2019-09-20 17:29:01,551 WARN L191 SmtUtils]: Spent 2.33 s on a formula simplification that was a NOOP. DAG size: 197 [2019-09-20 17:29:04,229 WARN L191 SmtUtils]: Spent 2.67 s on a formula simplification that was a NOOP. DAG size: 194 [2019-09-20 17:29:06,460 WARN L191 SmtUtils]: Spent 2.20 s on a formula simplification that was a NOOP. DAG size: 188 [2019-09-20 17:29:09,431 WARN L191 SmtUtils]: Spent 2.94 s on a formula simplification that was a NOOP. DAG size: 185 [2019-09-20 17:29:12,070 WARN L191 SmtUtils]: Spent 2.63 s on a formula simplification that was a NOOP. DAG size: 182 [2019-09-20 17:29:13,792 WARN L191 SmtUtils]: Spent 1.68 s on a formula simplification that was a NOOP. DAG size: 175 [2019-09-20 17:29:15,252 WARN L191 SmtUtils]: Spent 1.45 s on a formula simplification that was a NOOP. DAG size: 171 [2019-09-20 17:29:16,368 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 159 [2019-09-20 17:29:17,135 WARN L191 SmtUtils]: Spent 726.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-09-20 17:29:17,665 WARN L191 SmtUtils]: Spent 492.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-09-20 17:29:18,672 WARN L191 SmtUtils]: Spent 946.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 139 [2019-09-20 17:29:18,847 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 45 [2019-09-20 17:29:19,668 WARN L191 SmtUtils]: Spent 817.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 130 [2019-09-20 17:29:20,543 WARN L191 SmtUtils]: Spent 836.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 150 [2019-09-20 17:29:21,493 WARN L191 SmtUtils]: Spent 891.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 151 [2019-09-20 17:29:21,940 WARN L191 SmtUtils]: Spent 414.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2019-09-20 17:29:22,940 WARN L191 SmtUtils]: Spent 915.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 143 [2019-09-20 17:29:23,837 WARN L191 SmtUtils]: Spent 883.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 144 [2019-09-20 17:29:24,289 WARN L191 SmtUtils]: Spent 451.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2019-09-20 17:29:25,181 WARN L191 SmtUtils]: Spent 828.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 146 [2019-09-20 17:29:26,067 WARN L191 SmtUtils]: Spent 884.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 144 [2019-09-20 17:29:26,496 WARN L191 SmtUtils]: Spent 427.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2019-09-20 17:29:27,383 WARN L191 SmtUtils]: Spent 832.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 146 [2019-09-20 17:29:28,351 WARN L191 SmtUtils]: Spent 961.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 137 [2019-09-20 17:29:28,832 WARN L191 SmtUtils]: Spent 479.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2019-09-20 17:29:29,844 WARN L191 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 142 DAG size of output: 138