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 InterpretCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/list-properties/list_search-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 21:25:21,240 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 21:25:21,242 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 21:25:21,254 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 21:25:21,254 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 21:25:21,255 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 21:25:21,257 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 21:25:21,258 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 21:25:21,260 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 21:25:21,261 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 21:25:21,262 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 21:25:21,263 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 21:25:21,264 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 21:25:21,265 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 21:25:21,266 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 21:25:21,267 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 21:25:21,268 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 21:25:21,268 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 21:25:21,270 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 21:25:21,272 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 21:25:21,274 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 21:25:21,275 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 21:25:21,276 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 21:25:21,277 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 21:25:21,279 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 21:25:21,280 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 21:25:21,280 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 21:25:21,281 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 21:25:21,281 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 21:25:21,282 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 21:25:21,282 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 21:25:21,283 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 21:25:21,284 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 21:25:21,285 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 21:25:21,286 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 21:25:21,286 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 21:25:21,287 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 21:25:21,287 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 21:25:21,287 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 21:25:21,288 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 21:25:21,289 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 21:25:21,289 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 21:25:21,304 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 21:25:21,304 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 21:25:21,305 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 21:25:21,306 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 21:25:21,306 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 21:25:21,306 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 21:25:21,306 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 21:25:21,307 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 21:25:21,307 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 21:25:21,307 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 21:25:21,307 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 21:25:21,307 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 21:25:21,308 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 21:25:21,308 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 21:25:21,308 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 21:25:21,308 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 21:25:21,308 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 21:25:21,309 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 21:25:21,309 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 21:25:21,309 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 21:25:21,309 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 21:25:21,309 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 21:25:21,310 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 21:25:21,310 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 21:25:21,310 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 21:25:21,310 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 21:25:21,310 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 21:25:21,310 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 21:25:21,311 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 -> InterpretCallSummarizer 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 21:25:21,343 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 21:25:21,353 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 21:25:21,359 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 21:25:21,360 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 21:25:21,360 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 21:25:21,361 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-properties/list_search-2.i [2019-09-20 21:25:21,431 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a454443ea/5ad5e2a85402405aaf7d92c149b87b42/FLAG9c13b2101 [2019-09-20 21:25:21,969 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 21:25:21,971 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-properties/list_search-2.i [2019-09-20 21:25:21,993 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a454443ea/5ad5e2a85402405aaf7d92c149b87b42/FLAG9c13b2101 [2019-09-20 21:25:22,277 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a454443ea/5ad5e2a85402405aaf7d92c149b87b42 [2019-09-20 21:25:22,287 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 21:25:22,288 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 21:25:22,289 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 21:25:22,289 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 21:25:22,292 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 21:25:22,293 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 09:25:22" (1/1) ... [2019-09-20 21:25:22,296 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d58fe9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:25:22, skipping insertion in model container [2019-09-20 21:25:22,296 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 09:25:22" (1/1) ... [2019-09-20 21:25:22,303 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 21:25:22,357 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 21:25:22,859 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 21:25:22,869 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 21:25:22,968 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 21:25:23,069 INFO L192 MainTranslator]: Completed translation [2019-09-20 21:25:23,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:25:23 WrapperNode [2019-09-20 21:25:23,069 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 21:25:23,070 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 21:25:23,070 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 21:25:23,070 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 21:25:23,084 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:25:23" (1/1) ... [2019-09-20 21:25:23,084 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:25:23" (1/1) ... [2019-09-20 21:25:23,106 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:25:23" (1/1) ... [2019-09-20 21:25:23,107 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:25:23" (1/1) ... [2019-09-20 21:25:23,149 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:25:23" (1/1) ... [2019-09-20 21:25:23,159 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:25:23" (1/1) ... [2019-09-20 21:25:23,167 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:25:23" (1/1) ... [2019-09-20 21:25:23,177 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 21:25:23,177 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 21:25:23,177 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 21:25:23,178 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 21:25:23,178 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:25:23" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 21:25:23,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 21:25:23,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 21:25:23,236 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-20 21:25:23,236 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-20 21:25:23,236 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-20 21:25:23,236 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-09-20 21:25:23,237 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-09-20 21:25:23,237 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-09-20 21:25:23,237 INFO L138 BoogieDeclarations]: Found implementation of procedure search_list [2019-09-20 21:25:23,237 INFO L138 BoogieDeclarations]: Found implementation of procedure delete_list [2019-09-20 21:25:23,237 INFO L138 BoogieDeclarations]: Found implementation of procedure insert_list [2019-09-20 21:25:23,238 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 21:25:23,238 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 21:25:23,238 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 21:25:23,238 INFO L130 BoogieDeclarations]: Found specification of procedure __underflow [2019-09-20 21:25:23,238 INFO L130 BoogieDeclarations]: Found specification of procedure __uflow [2019-09-20 21:25:23,238 INFO L130 BoogieDeclarations]: Found specification of procedure __overflow [2019-09-20 21:25:23,239 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_getc [2019-09-20 21:25:23,239 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_putc [2019-09-20 21:25:23,239 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_feof [2019-09-20 21:25:23,239 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ferror [2019-09-20 21:25:23,239 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_peekc_locked [2019-09-20 21:25:23,239 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_flockfile [2019-09-20 21:25:23,240 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_funlockfile [2019-09-20 21:25:23,240 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ftrylockfile [2019-09-20 21:25:23,240 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfscanf [2019-09-20 21:25:23,240 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfprintf [2019-09-20 21:25:23,241 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_padn [2019-09-20 21:25:23,241 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_sgetn [2019-09-20 21:25:23,241 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekoff [2019-09-20 21:25:23,241 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekpos [2019-09-20 21:25:23,241 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_free_backup_area [2019-09-20 21:25:23,242 INFO L130 BoogieDeclarations]: Found specification of procedure remove [2019-09-20 21:25:23,242 INFO L130 BoogieDeclarations]: Found specification of procedure rename [2019-09-20 21:25:23,242 INFO L130 BoogieDeclarations]: Found specification of procedure renameat [2019-09-20 21:25:23,242 INFO L130 BoogieDeclarations]: Found specification of procedure tmpfile [2019-09-20 21:25:23,242 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam [2019-09-20 21:25:23,242 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam_r [2019-09-20 21:25:23,243 INFO L130 BoogieDeclarations]: Found specification of procedure tempnam [2019-09-20 21:25:23,243 INFO L130 BoogieDeclarations]: Found specification of procedure fclose [2019-09-20 21:25:23,243 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2019-09-20 21:25:23,243 INFO L130 BoogieDeclarations]: Found specification of procedure fflush_unlocked [2019-09-20 21:25:23,244 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2019-09-20 21:25:23,244 INFO L130 BoogieDeclarations]: Found specification of procedure freopen [2019-09-20 21:25:23,244 INFO L130 BoogieDeclarations]: Found specification of procedure fdopen [2019-09-20 21:25:23,244 INFO L130 BoogieDeclarations]: Found specification of procedure fmemopen [2019-09-20 21:25:23,244 INFO L130 BoogieDeclarations]: Found specification of procedure open_memstream [2019-09-20 21:25:23,244 INFO L130 BoogieDeclarations]: Found specification of procedure setbuf [2019-09-20 21:25:23,245 INFO L130 BoogieDeclarations]: Found specification of procedure setvbuf [2019-09-20 21:25:23,245 INFO L130 BoogieDeclarations]: Found specification of procedure setbuffer [2019-09-20 21:25:23,245 INFO L130 BoogieDeclarations]: Found specification of procedure setlinebuf [2019-09-20 21:25:23,245 INFO L130 BoogieDeclarations]: Found specification of procedure fprintf [2019-09-20 21:25:23,245 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 21:25:23,246 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-09-20 21:25:23,246 INFO L130 BoogieDeclarations]: Found specification of procedure vfprintf [2019-09-20 21:25:23,246 INFO L130 BoogieDeclarations]: Found specification of procedure vprintf [2019-09-20 21:25:23,246 INFO L130 BoogieDeclarations]: Found specification of procedure vsprintf [2019-09-20 21:25:23,246 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-09-20 21:25:23,246 INFO L130 BoogieDeclarations]: Found specification of procedure vsnprintf [2019-09-20 21:25:23,247 INFO L130 BoogieDeclarations]: Found specification of procedure vdprintf [2019-09-20 21:25:23,247 INFO L130 BoogieDeclarations]: Found specification of procedure dprintf [2019-09-20 21:25:23,247 INFO L130 BoogieDeclarations]: Found specification of procedure fscanf [2019-09-20 21:25:23,247 INFO L130 BoogieDeclarations]: Found specification of procedure scanf [2019-09-20 21:25:23,247 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2019-09-20 21:25:23,248 INFO L130 BoogieDeclarations]: Found specification of procedure vfscanf [2019-09-20 21:25:23,248 INFO L130 BoogieDeclarations]: Found specification of procedure vscanf [2019-09-20 21:25:23,248 INFO L130 BoogieDeclarations]: Found specification of procedure vsscanf [2019-09-20 21:25:23,248 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc [2019-09-20 21:25:23,248 INFO L130 BoogieDeclarations]: Found specification of procedure getc [2019-09-20 21:25:23,249 INFO L130 BoogieDeclarations]: Found specification of procedure getchar [2019-09-20 21:25:23,249 INFO L130 BoogieDeclarations]: Found specification of procedure getc_unlocked [2019-09-20 21:25:23,249 INFO L130 BoogieDeclarations]: Found specification of procedure getchar_unlocked [2019-09-20 21:25:23,249 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc_unlocked [2019-09-20 21:25:23,249 INFO L130 BoogieDeclarations]: Found specification of procedure fputc [2019-09-20 21:25:23,250 INFO L130 BoogieDeclarations]: Found specification of procedure putc [2019-09-20 21:25:23,250 INFO L130 BoogieDeclarations]: Found specification of procedure putchar [2019-09-20 21:25:23,250 INFO L130 BoogieDeclarations]: Found specification of procedure fputc_unlocked [2019-09-20 21:25:23,250 INFO L130 BoogieDeclarations]: Found specification of procedure putc_unlocked [2019-09-20 21:25:23,250 INFO L130 BoogieDeclarations]: Found specification of procedure putchar_unlocked [2019-09-20 21:25:23,251 INFO L130 BoogieDeclarations]: Found specification of procedure getw [2019-09-20 21:25:23,251 INFO L130 BoogieDeclarations]: Found specification of procedure putw [2019-09-20 21:25:23,251 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2019-09-20 21:25:23,251 INFO L130 BoogieDeclarations]: Found specification of procedure __getdelim [2019-09-20 21:25:23,251 INFO L130 BoogieDeclarations]: Found specification of procedure getdelim [2019-09-20 21:25:23,252 INFO L130 BoogieDeclarations]: Found specification of procedure getline [2019-09-20 21:25:23,252 INFO L130 BoogieDeclarations]: Found specification of procedure fputs [2019-09-20 21:25:23,252 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-09-20 21:25:23,252 INFO L130 BoogieDeclarations]: Found specification of procedure ungetc [2019-09-20 21:25:23,252 INFO L130 BoogieDeclarations]: Found specification of procedure fread [2019-09-20 21:25:23,252 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite [2019-09-20 21:25:23,253 INFO L130 BoogieDeclarations]: Found specification of procedure fread_unlocked [2019-09-20 21:25:23,253 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite_unlocked [2019-09-20 21:25:23,253 INFO L130 BoogieDeclarations]: Found specification of procedure fseek [2019-09-20 21:25:23,253 INFO L130 BoogieDeclarations]: Found specification of procedure ftell [2019-09-20 21:25:23,253 INFO L130 BoogieDeclarations]: Found specification of procedure rewind [2019-09-20 21:25:23,254 INFO L130 BoogieDeclarations]: Found specification of procedure fseeko [2019-09-20 21:25:23,254 INFO L130 BoogieDeclarations]: Found specification of procedure ftello [2019-09-20 21:25:23,254 INFO L130 BoogieDeclarations]: Found specification of procedure fgetpos [2019-09-20 21:25:23,254 INFO L130 BoogieDeclarations]: Found specification of procedure fsetpos [2019-09-20 21:25:23,254 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr [2019-09-20 21:25:23,254 INFO L130 BoogieDeclarations]: Found specification of procedure feof [2019-09-20 21:25:23,255 INFO L130 BoogieDeclarations]: Found specification of procedure ferror [2019-09-20 21:25:23,255 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr_unlocked [2019-09-20 21:25:23,255 INFO L130 BoogieDeclarations]: Found specification of procedure feof_unlocked [2019-09-20 21:25:23,255 INFO L130 BoogieDeclarations]: Found specification of procedure ferror_unlocked [2019-09-20 21:25:23,255 INFO L130 BoogieDeclarations]: Found specification of procedure perror [2019-09-20 21:25:23,255 INFO L130 BoogieDeclarations]: Found specification of procedure fileno [2019-09-20 21:25:23,256 INFO L130 BoogieDeclarations]: Found specification of procedure fileno_unlocked [2019-09-20 21:25:23,256 INFO L130 BoogieDeclarations]: Found specification of procedure popen [2019-09-20 21:25:23,256 INFO L130 BoogieDeclarations]: Found specification of procedure pclose [2019-09-20 21:25:23,256 INFO L130 BoogieDeclarations]: Found specification of procedure ctermid [2019-09-20 21:25:23,256 INFO L130 BoogieDeclarations]: Found specification of procedure flockfile [2019-09-20 21:25:23,256 INFO L130 BoogieDeclarations]: Found specification of procedure ftrylockfile [2019-09-20 21:25:23,257 INFO L130 BoogieDeclarations]: Found specification of procedure funlockfile [2019-09-20 21:25:23,257 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-20 21:25:23,257 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-20 21:25:23,257 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-20 21:25:23,257 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-20 21:25:23,258 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-20 21:25:23,258 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-20 21:25:23,258 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-20 21:25:23,258 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-20 21:25:23,258 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-20 21:25:23,258 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-20 21:25:23,259 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-20 21:25:23,259 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-20 21:25:23,259 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-20 21:25:23,259 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-20 21:25:23,259 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-20 21:25:23,259 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-20 21:25:23,260 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-20 21:25:23,260 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-20 21:25:23,260 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-09-20 21:25:23,260 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-09-20 21:25:23,261 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-09-20 21:25:23,261 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-20 21:25:23,261 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-20 21:25:23,261 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-20 21:25:23,261 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-20 21:25:23,261 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-20 21:25:23,262 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-20 21:25:23,262 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-20 21:25:23,262 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-20 21:25:23,262 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-20 21:25:23,262 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-20 21:25:23,263 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-20 21:25:23,263 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-20 21:25:23,263 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-20 21:25:23,263 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-20 21:25:23,263 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-20 21:25:23,263 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-20 21:25:23,264 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-20 21:25:23,264 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-20 21:25:23,264 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-20 21:25:23,264 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-20 21:25:23,264 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-20 21:25:23,265 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-20 21:25:23,265 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-20 21:25:23,265 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-20 21:25:23,265 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-20 21:25:23,265 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-20 21:25:23,265 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-20 21:25:23,266 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-20 21:25:23,266 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-20 21:25:23,266 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-20 21:25:23,266 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-20 21:25:23,266 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-20 21:25:23,266 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-20 21:25:23,267 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-20 21:25:23,267 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 21:25:23,267 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-20 21:25:23,267 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-20 21:25:23,267 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 21:25:23,267 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-20 21:25:23,268 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-20 21:25:23,268 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-20 21:25:23,268 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-20 21:25:23,268 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-20 21:25:23,268 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-20 21:25:23,268 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-20 21:25:23,269 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-20 21:25:23,269 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-20 21:25:23,269 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-20 21:25:23,269 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-20 21:25:23,269 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-20 21:25:23,269 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-20 21:25:23,269 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-20 21:25:23,270 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-20 21:25:23,270 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-20 21:25:23,270 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-20 21:25:23,270 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-20 21:25:23,270 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-20 21:25:23,270 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-20 21:25:23,271 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-20 21:25:23,271 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-20 21:25:23,271 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-20 21:25:23,271 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-20 21:25:23,271 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-20 21:25:23,271 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-20 21:25:23,272 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-20 21:25:23,272 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-20 21:25:23,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-20 21:25:23,272 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-20 21:25:23,272 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-20 21:25:23,272 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-20 21:25:23,273 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-20 21:25:23,273 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-20 21:25:23,273 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-20 21:25:23,273 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-20 21:25:23,273 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-20 21:25:23,273 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-20 21:25:23,274 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-20 21:25:23,274 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-20 21:25:23,274 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-20 21:25:23,274 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-20 21:25:23,274 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-20 21:25:23,274 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-20 21:25:23,275 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-20 21:25:23,275 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-20 21:25:23,275 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-20 21:25:23,275 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-20 21:25:23,275 INFO L130 BoogieDeclarations]: Found specification of procedure search_list [2019-09-20 21:25:23,275 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 21:25:23,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 21:25:23,276 INFO L130 BoogieDeclarations]: Found specification of procedure delete_list [2019-09-20 21:25:23,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 21:25:23,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 21:25:23,276 INFO L130 BoogieDeclarations]: Found specification of procedure insert_list [2019-09-20 21:25:23,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 21:25:23,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 21:25:23,277 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 21:25:23,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 21:25:23,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 21:25:24,045 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 21:25:24,045 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-20 21:25:24,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 09:25:24 BoogieIcfgContainer [2019-09-20 21:25:24,047 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 21:25:24,047 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 21:25:24,047 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 21:25:24,048 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 21:25:24,049 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 09:25:24" (1/1) ... [2019-09-20 21:25:24,049 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=InterpretCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 21:25:24,076 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 21:25:24,076 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 21:25:24,084 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 21:25:24,096 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 21:25:24,097 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 21:25:24,273 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 31 for LOIs [2019-09-20 21:25:24,435 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-09-20 21:25:24,552 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-20 21:25:24,911 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2019-09-20 21:25:25,674 WARN L191 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 99 [2019-09-20 21:25:25,843 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2019-09-20 21:25:25,972 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2019-09-20 21:25:26,274 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 87 [2019-09-20 21:25:26,539 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2019-09-20 21:25:27,031 WARN L191 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 93 [2019-09-20 21:25:27,326 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 91 [2019-09-20 21:25:28,145 WARN L191 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 113 [2019-09-20 21:25:28,356 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-09-20 21:25:28,517 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2019-09-20 21:25:29,255 WARN L191 SmtUtils]: Spent 672.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 107 [2019-09-20 21:25:29,723 WARN L191 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2019-09-20 21:25:31,313 WARN L191 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 125 DAG size of output: 118 [2019-09-20 21:25:31,583 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2019-09-20 21:25:31,948 WARN L191 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 114 [2019-09-20 21:25:32,120 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2019-09-20 21:25:32,894 WARN L191 SmtUtils]: Spent 755.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 126 [2019-09-20 21:25:33,147 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-09-20 21:25:33,390 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-09-20 21:25:35,076 WARN L191 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 162 DAG size of output: 130 [2019-09-20 21:25:35,652 WARN L191 SmtUtils]: Spent 451.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2019-09-20 21:25:36,037 WARN L191 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2019-09-20 21:25:36,309 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2019-09-20 21:25:36,834 WARN L191 SmtUtils]: Spent 524.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2019-09-20 21:25:39,112 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2019-09-20 21:25:39,272 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 22 for LOIs [2019-09-20 21:25:39,294 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 21:25:39,294 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 21:25:39,296 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 82#(and (exists ((v_prenex_16 Int) (v_prenex_15 Int) (v_main_~temp~0.base_BEFORE_CALL_1 Int) (v_main_~temp~0.offset_BEFORE_CALL_1 Int)) (or (and (= (select (select |#memory_int| v_main_~temp~0.base_BEFORE_CALL_1) v_main_~temp~0.offset_BEFORE_CALL_1) 2) (= |__VERIFIER_assert_#in~cond| 1)) (and (= |__VERIFIER_assert_#in~cond| 0) (not (= (select (select |#memory_int| v_prenex_15) v_prenex_16) 2))))) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-09-20 21:25:39,310 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 21:25:39,310 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 21:25:39,312 INFO L168 Benchmark]: Toolchain (without parser) took 17023.28 ms. Allocated memory was 133.2 MB in the beginning and 345.5 MB in the end (delta: 212.3 MB). Free memory was 87.0 MB in the beginning and 153.7 MB in the end (delta: -66.7 MB). Peak memory consumption was 145.6 MB. Max. memory is 7.1 GB. [2019-09-20 21:25:39,313 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 133.2 MB. Free memory was 107.5 MB in the beginning and 107.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 21:25:39,313 INFO L168 Benchmark]: CACSL2BoogieTranslator took 780.48 ms. Allocated memory was 133.2 MB in the beginning and 200.8 MB in the end (delta: 67.6 MB). Free memory was 86.6 MB in the beginning and 141.8 MB in the end (delta: -55.2 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. [2019-09-20 21:25:39,314 INFO L168 Benchmark]: Boogie Preprocessor took 106.96 ms. Allocated memory is still 200.8 MB. Free memory was 141.8 MB in the beginning and 138.1 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2019-09-20 21:25:39,315 INFO L168 Benchmark]: RCFGBuilder took 869.57 ms. Allocated memory was 200.8 MB in the beginning and 225.4 MB in the end (delta: 24.6 MB). Free memory was 137.4 MB in the beginning and 174.2 MB in the end (delta: -36.8 MB). Peak memory consumption was 65.7 MB. Max. memory is 7.1 GB. [2019-09-20 21:25:39,316 INFO L168 Benchmark]: Sifa took 15263.03 ms. Allocated memory was 225.4 MB in the beginning and 345.5 MB in the end (delta: 120.1 MB). Free memory was 174.2 MB in the beginning and 153.7 MB in the end (delta: 20.5 MB). Peak memory consumption was 140.6 MB. Max. memory is 7.1 GB. [2019-09-20 21:25:39,322 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 133.2 MB. Free memory was 107.5 MB in the beginning and 107.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 780.48 ms. Allocated memory was 133.2 MB in the beginning and 200.8 MB in the end (delta: 67.6 MB). Free memory was 86.6 MB in the beginning and 141.8 MB in the end (delta: -55.2 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 106.96 ms. Allocated memory is still 200.8 MB. Free memory was 141.8 MB in the beginning and 138.1 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 869.57 ms. Allocated memory was 200.8 MB in the beginning and 225.4 MB in the end (delta: 24.6 MB). Free memory was 137.4 MB in the beginning and 174.2 MB in the end (delta: -36.8 MB). Peak memory consumption was 65.7 MB. Max. memory is 7.1 GB. * Sifa took 15263.03 ms. Allocated memory was 225.4 MB in the beginning and 345.5 MB in the end (delta: 120.1 MB). Free memory was 174.2 MB in the beginning and 153.7 MB in the end (delta: 20.5 MB). Peak memory consumption was 140.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 15220, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 38, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 28, TOOLS_POST_TIME[ms]: 3319, TOOLS_POST_CALL_APPLICATIONS: 8, TOOLS_POST_CALL_TIME[ms]: 4807, TOOLS_POST_RETURN_APPLICATIONS: 6, TOOLS_POST_RETURN_TIME[ms]: 2741, TOOLS_QUANTIFIERELIM_APPLICATIONS: 42, TOOLS_QUANTIFIERELIM_TIME[ms]: 10833, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 2861, FLUID_QUERY_TIME[ms]: 5, FLUID_QUERIES: 43, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 13, DOMAIN_JOIN_TIME[ms]: 1247, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 946, DOMAIN_ISSUBSETEQ_APPLICATIONS: 5, DOMAIN_ISSUBSETEQ_TIME[ms]: 2070, DOMAIN_ISBOTTOM_APPLICATIONS: 1, DOMAIN_ISBOTTOM_TIME[ms]: 1, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 4097, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 4096, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 5, CALL_SUMMARIZER_APPLICATIONS: 0, CALL_SUMMARIZER_CACHE_MISSES: 6, CALL_SUMMARIZER_OVERALL_TIME[ms]: 0, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 3791, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 20, DAG_COMPRESSION_PROCESSED_NODES: 86, DAG_COMPRESSION_RETAINED_NODES: 53 - UnprovableResult [Line: 4]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 82#(and (exists ((v_prenex_16 Int) (v_prenex_15 Int) (v_main_~temp~0.base_BEFORE_CALL_1 Int) (v_main_~temp~0.offset_BEFORE_CALL_1 Int)) (or (and (= (select (select |#memory_int| v_main_~temp~0.base_BEFORE_CALL_1) v_main_~temp~0.offset_BEFORE_CALL_1) 2) (= |__VERIFIER_assert_#in~cond| 1)) (and (= |__VERIFIER_assert_#in~cond| 0) (not (= (select (select |#memory_int| v_prenex_15) v_prenex_16) 2))))) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...