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 SingleStatement --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/forester-heap/sll-queue-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 19:27:39,102 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 19:27:39,104 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 19:27:39,120 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 19:27:39,120 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 19:27:39,121 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 19:27:39,122 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 19:27:39,124 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 19:27:39,126 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 19:27:39,127 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 19:27:39,128 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 19:27:39,129 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 19:27:39,129 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 19:27:39,130 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 19:27:39,131 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 19:27:39,132 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 19:27:39,133 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 19:27:39,134 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 19:27:39,136 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 19:27:39,138 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 19:27:39,139 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 19:27:39,140 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 19:27:39,142 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 19:27:39,142 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 19:27:39,145 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 19:27:39,145 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 19:27:39,145 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 19:27:39,146 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 19:27:39,147 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 19:27:39,148 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 19:27:39,148 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 19:27:39,149 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 19:27:39,150 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 19:27:39,150 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 19:27:39,151 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 19:27:39,151 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 19:27:39,154 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 19:27:39,154 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 19:27:39,154 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 19:27:39,155 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 19:27:39,156 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 19:27:39,157 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 19:27:39,186 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 19:27:39,186 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 19:27:39,188 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 19:27:39,188 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 19:27:39,189 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 19:27:39,189 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 19:27:39,189 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 19:27:39,189 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 19:27:39,189 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 19:27:39,190 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 19:27:39,190 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 19:27:39,190 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 19:27:39,190 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 19:27:39,190 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 19:27:39,191 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 19:27:39,191 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 19:27:39,191 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 19:27:39,191 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 19:27:39,192 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 19:27:39,192 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 19:27:39,192 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 19:27:39,192 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 19:27:39,192 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 19:27:39,193 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 19:27:39,193 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 19:27:39,193 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 19:27:39,193 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 19:27:39,193 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 19:27:39,194 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 -> SingleStatement 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 19:27:39,225 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 19:27:39,237 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 19:27:39,240 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 19:27:39,242 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 19:27:39,242 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 19:27:39,243 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/sll-queue-1.i [2019-09-20 19:27:39,303 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26639d8f5/18bb525c77ba4ba7894be8ac8a846c98/FLAG912307af2 [2019-09-20 19:27:39,817 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 19:27:39,818 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-queue-1.i [2019-09-20 19:27:39,835 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26639d8f5/18bb525c77ba4ba7894be8ac8a846c98/FLAG912307af2 [2019-09-20 19:27:40,144 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26639d8f5/18bb525c77ba4ba7894be8ac8a846c98 [2019-09-20 19:27:40,153 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 19:27:40,154 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 19:27:40,155 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 19:27:40,155 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 19:27:40,157 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 19:27:40,158 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 07:27:40" (1/1) ... [2019-09-20 19:27:40,160 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cab5547 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:27:40, skipping insertion in model container [2019-09-20 19:27:40,160 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 07:27:40" (1/1) ... [2019-09-20 19:27:40,166 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 19:27:40,219 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 19:27:40,641 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 19:27:40,650 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 19:27:40,698 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 19:27:40,760 INFO L192 MainTranslator]: Completed translation [2019-09-20 19:27:40,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:27:40 WrapperNode [2019-09-20 19:27:40,761 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 19:27:40,762 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 19:27:40,762 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 19:27:40,762 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 19:27:40,774 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:27:40" (1/1) ... [2019-09-20 19:27:40,774 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:27:40" (1/1) ... [2019-09-20 19:27:40,790 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:27:40" (1/1) ... [2019-09-20 19:27:40,790 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:27:40" (1/1) ... [2019-09-20 19:27:40,807 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:27:40" (1/1) ... [2019-09-20 19:27:40,819 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:27:40" (1/1) ... [2019-09-20 19:27:40,826 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:27:40" (1/1) ... [2019-09-20 19:27:40,833 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 19:27:40,836 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 19:27:40,836 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 19:27:40,837 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 19:27:40,837 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:27:40" (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 19:27:40,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 19:27:40,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 19:27:40,885 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 19:27:40,885 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-20 19:27:40,886 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-20 19:27:40,886 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-20 19:27:40,886 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-20 19:27:40,887 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-20 19:27:40,887 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-20 19:27:40,887 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-20 19:27:40,887 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-20 19:27:40,888 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-20 19:27:40,889 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-20 19:27:40,889 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-20 19:27:40,889 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-20 19:27:40,889 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-20 19:27:40,891 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-20 19:27:40,892 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-20 19:27:40,892 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-20 19:27:40,892 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-20 19:27:40,892 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-20 19:27:40,892 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-20 19:27:40,892 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-20 19:27:40,892 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-20 19:27:40,893 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-20 19:27:40,893 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-20 19:27:40,893 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-20 19:27:40,893 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-20 19:27:40,893 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-20 19:27:40,893 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-20 19:27:40,894 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-20 19:27:40,894 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-20 19:27:40,894 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-20 19:27:40,894 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-20 19:27:40,894 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-20 19:27:40,895 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-20 19:27:40,895 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-20 19:27:40,895 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-20 19:27:40,895 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-20 19:27:40,895 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-20 19:27:40,895 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-20 19:27:40,896 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-20 19:27:40,896 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-20 19:27:40,896 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-20 19:27:40,896 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-20 19:27:40,896 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-20 19:27:40,896 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-20 19:27:40,898 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-20 19:27:40,898 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-20 19:27:40,899 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-20 19:27:40,899 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-20 19:27:40,899 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-20 19:27:40,899 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-20 19:27:40,899 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 19:27:40,899 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-20 19:27:40,899 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-20 19:27:40,900 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 19:27:40,900 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-20 19:27:40,900 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-20 19:27:40,900 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-20 19:27:40,901 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-20 19:27:40,901 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-20 19:27:40,901 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-20 19:27:40,901 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-20 19:27:40,901 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-20 19:27:40,901 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-20 19:27:40,902 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-20 19:27:40,902 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-20 19:27:40,903 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-20 19:27:40,903 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-20 19:27:40,903 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-20 19:27:40,903 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-20 19:27:40,903 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-20 19:27:40,904 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-20 19:27:40,904 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-20 19:27:40,904 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-20 19:27:40,905 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-20 19:27:40,905 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-20 19:27:40,905 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-20 19:27:40,905 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-20 19:27:40,906 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-20 19:27:40,906 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-20 19:27:40,907 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-20 19:27:40,907 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-20 19:27:40,907 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-20 19:27:40,907 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-20 19:27:40,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-20 19:27:40,908 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-20 19:27:40,908 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-20 19:27:40,908 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-20 19:27:40,908 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-20 19:27:40,908 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-20 19:27:40,909 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-20 19:27:40,909 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-20 19:27:40,909 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-20 19:27:40,909 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-20 19:27:40,909 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-20 19:27:40,909 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-20 19:27:40,909 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-20 19:27:40,909 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-20 19:27:40,909 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-20 19:27:40,909 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-20 19:27:40,909 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-20 19:27:40,910 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-20 19:27:40,910 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-20 19:27:40,910 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-20 19:27:40,910 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 19:27:40,910 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 19:27:40,910 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 19:27:40,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 19:27:40,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 19:27:40,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 19:27:40,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 19:27:40,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 19:27:40,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 19:27:40,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 19:27:40,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 19:27:41,606 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 19:27:41,607 INFO L283 CfgBuilder]: Removed 31 assume(true) statements. [2019-09-20 19:27:41,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 07:27:41 BoogieIcfgContainer [2019-09-20 19:27:41,609 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 19:27:41,609 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 19:27:41,610 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 19:27:41,610 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 19:27:41,611 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 07:27:41" (1/1) ... [2019-09-20 19:27:41,612 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 19:27:41,640 INFO L162 IcfgInterpreter]: Started Sifa with 14 locations of interest [2019-09-20 19:27:41,640 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 19:27:41,652 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 19:27:41,663 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 19:27:41,664 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 19:27:41,827 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-20 19:27:43,679 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2019-09-20 19:27:43,819 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-20 19:27:44,039 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-09-20 19:27:44,328 WARN L191 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2019-09-20 19:27:44,881 WARN L191 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2019-09-20 19:27:45,213 WARN L191 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2019-09-20 19:27:49,652 WARN L191 SmtUtils]: Spent 4.21 s on a formula simplification that was a NOOP. DAG size: 150 [2019-09-20 19:27:52,591 WARN L191 SmtUtils]: Spent 2.82 s on a formula simplification. DAG size of input: 125 DAG size of output: 123 [2019-09-20 19:27:55,826 WARN L191 SmtUtils]: Spent 3.18 s on a formula simplification. DAG size of input: 161 DAG size of output: 95 [2019-09-20 19:27:55,954 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-09-20 19:27:56,084 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-09-20 19:27:56,481 WARN L191 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 164 [2019-09-20 19:27:56,600 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-09-20 19:27:57,023 WARN L191 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 164 [2019-09-20 19:27:57,132 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-09-20 19:27:57,519 WARN L191 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 164 [2019-09-20 19:27:57,655 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-09-20 19:27:58,100 WARN L191 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 164 [2019-09-20 19:27:58,315 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-09-20 19:27:58,420 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-09-20 19:28:10,625 WARN L191 SmtUtils]: Spent 12.16 s on a formula simplification that was a NOOP. DAG size: 182 [2019-09-20 19:28:20,092 WARN L191 SmtUtils]: Spent 9.44 s on a formula simplification that was a NOOP. DAG size: 180 [2019-09-20 19:28:20,236 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 190