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 -i ../../../trunk/examples/svcomp/list-properties/list_search-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-18 06:52:18,250 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-18 06:52:18,252 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-18 06:52:18,264 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-18 06:52:18,264 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-18 06:52:18,265 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-18 06:52:18,266 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-18 06:52:18,268 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-18 06:52:18,270 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-18 06:52:18,271 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-18 06:52:18,272 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-18 06:52:18,273 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-18 06:52:18,274 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-18 06:52:18,275 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-18 06:52:18,276 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-18 06:52:18,277 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-18 06:52:18,278 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-18 06:52:18,279 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-18 06:52:18,281 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-18 06:52:18,283 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-18 06:52:18,285 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-18 06:52:18,286 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-18 06:52:18,288 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-18 06:52:18,289 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-18 06:52:18,291 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-18 06:52:18,291 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-18 06:52:18,292 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-18 06:52:18,293 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-18 06:52:18,293 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-18 06:52:18,294 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-18 06:52:18,294 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-18 06:52:18,295 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-18 06:52:18,296 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-18 06:52:18,297 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-18 06:52:18,298 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-18 06:52:18,298 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-18 06:52:18,299 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-18 06:52:18,299 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-18 06:52:18,299 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-18 06:52:18,300 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-18 06:52:18,301 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-18 06:52:18,302 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 [2019-08-18 06:52:18,317 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-18 06:52:18,317 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-18 06:52:18,318 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-18 06:52:18,318 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-18 06:52:18,319 INFO L138 SettingsManager]: * Use SBE=true [2019-08-18 06:52:18,319 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-18 06:52:18,319 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-18 06:52:18,319 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-18 06:52:18,319 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-18 06:52:18,320 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-18 06:52:18,320 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-18 06:52:18,320 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-18 06:52:18,320 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-18 06:52:18,320 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-18 06:52:18,321 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-18 06:52:18,321 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-18 06:52:18,321 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-18 06:52:18,321 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-18 06:52:18,321 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-18 06:52:18,322 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-18 06:52:18,322 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-18 06:52:18,322 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-18 06:52:18,322 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-18 06:52:18,322 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-18 06:52:18,323 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-18 06:52:18,323 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-18 06:52:18,323 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-18 06:52:18,323 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-18 06:52:18,323 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-18 06:52:18,352 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-18 06:52:18,365 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-18 06:52:18,369 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-18 06:52:18,370 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-18 06:52:18,371 INFO L275 PluginConnector]: CDTParser initialized [2019-08-18 06:52:18,371 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-properties/list_search-2.i [2019-08-18 06:52:18,434 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f56a7f803/210acbb25bb54bafa96db3aec6ea03be/FLAGc54f4e127 [2019-08-18 06:52:19,057 INFO L306 CDTParser]: Found 1 translation units. [2019-08-18 06:52:19,060 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-properties/list_search-2.i [2019-08-18 06:52:19,084 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f56a7f803/210acbb25bb54bafa96db3aec6ea03be/FLAGc54f4e127 [2019-08-18 06:52:19,266 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f56a7f803/210acbb25bb54bafa96db3aec6ea03be [2019-08-18 06:52:19,279 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-18 06:52:19,281 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-18 06:52:19,283 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-18 06:52:19,283 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-18 06:52:19,287 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-18 06:52:19,288 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 06:52:19" (1/1) ... [2019-08-18 06:52:19,291 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4da4f44b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:52:19, skipping insertion in model container [2019-08-18 06:52:19,292 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 06:52:19" (1/1) ... [2019-08-18 06:52:19,300 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-18 06:52:19,353 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-18 06:52:19,869 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 06:52:19,883 INFO L188 MainTranslator]: Completed pre-run [2019-08-18 06:52:19,957 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 06:52:20,074 INFO L192 MainTranslator]: Completed translation [2019-08-18 06:52:20,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:52:20 WrapperNode [2019-08-18 06:52:20,075 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-18 06:52:20,076 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-18 06:52:20,076 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-18 06:52:20,076 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-18 06:52:20,090 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:52:20" (1/1) ... [2019-08-18 06:52:20,091 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:52:20" (1/1) ... [2019-08-18 06:52:20,138 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:52:20" (1/1) ... [2019-08-18 06:52:20,138 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:52:20" (1/1) ... [2019-08-18 06:52:20,168 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:52:20" (1/1) ... [2019-08-18 06:52:20,175 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:52:20" (1/1) ... [2019-08-18 06:52:20,181 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:52:20" (1/1) ... [2019-08-18 06:52:20,194 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-18 06:52:20,194 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-18 06:52:20,195 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-18 06:52:20,195 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-18 06:52:20,196 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:52:20" (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 [2019-08-18 06:52:20,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-18 06:52:20,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-18 06:52:20,247 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-18 06:52:20,247 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-08-18 06:52:20,247 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-08-18 06:52:20,247 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-08-18 06:52:20,247 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-08-18 06:52:20,248 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-08-18 06:52:20,248 INFO L138 BoogieDeclarations]: Found implementation of procedure search_list [2019-08-18 06:52:20,248 INFO L138 BoogieDeclarations]: Found implementation of procedure delete_list [2019-08-18 06:52:20,248 INFO L138 BoogieDeclarations]: Found implementation of procedure insert_list [2019-08-18 06:52:20,248 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-18 06:52:20,249 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-18 06:52:20,249 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-18 06:52:20,249 INFO L130 BoogieDeclarations]: Found specification of procedure __underflow [2019-08-18 06:52:20,249 INFO L130 BoogieDeclarations]: Found specification of procedure __uflow [2019-08-18 06:52:20,249 INFO L130 BoogieDeclarations]: Found specification of procedure __overflow [2019-08-18 06:52:20,250 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_getc [2019-08-18 06:52:20,250 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_putc [2019-08-18 06:52:20,250 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_feof [2019-08-18 06:52:20,250 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ferror [2019-08-18 06:52:20,250 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_peekc_locked [2019-08-18 06:52:20,250 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_flockfile [2019-08-18 06:52:20,251 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_funlockfile [2019-08-18 06:52:20,251 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ftrylockfile [2019-08-18 06:52:20,251 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfscanf [2019-08-18 06:52:20,251 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfprintf [2019-08-18 06:52:20,251 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_padn [2019-08-18 06:52:20,251 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_sgetn [2019-08-18 06:52:20,252 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekoff [2019-08-18 06:52:20,252 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekpos [2019-08-18 06:52:20,252 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_free_backup_area [2019-08-18 06:52:20,252 INFO L130 BoogieDeclarations]: Found specification of procedure remove [2019-08-18 06:52:20,252 INFO L130 BoogieDeclarations]: Found specification of procedure rename [2019-08-18 06:52:20,252 INFO L130 BoogieDeclarations]: Found specification of procedure renameat [2019-08-18 06:52:20,252 INFO L130 BoogieDeclarations]: Found specification of procedure tmpfile [2019-08-18 06:52:20,253 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam [2019-08-18 06:52:20,253 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam_r [2019-08-18 06:52:20,253 INFO L130 BoogieDeclarations]: Found specification of procedure tempnam [2019-08-18 06:52:20,253 INFO L130 BoogieDeclarations]: Found specification of procedure fclose [2019-08-18 06:52:20,253 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2019-08-18 06:52:20,253 INFO L130 BoogieDeclarations]: Found specification of procedure fflush_unlocked [2019-08-18 06:52:20,254 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2019-08-18 06:52:20,254 INFO L130 BoogieDeclarations]: Found specification of procedure freopen [2019-08-18 06:52:20,254 INFO L130 BoogieDeclarations]: Found specification of procedure fdopen [2019-08-18 06:52:20,254 INFO L130 BoogieDeclarations]: Found specification of procedure fmemopen [2019-08-18 06:52:20,254 INFO L130 BoogieDeclarations]: Found specification of procedure open_memstream [2019-08-18 06:52:20,254 INFO L130 BoogieDeclarations]: Found specification of procedure setbuf [2019-08-18 06:52:20,255 INFO L130 BoogieDeclarations]: Found specification of procedure setvbuf [2019-08-18 06:52:20,255 INFO L130 BoogieDeclarations]: Found specification of procedure setbuffer [2019-08-18 06:52:20,255 INFO L130 BoogieDeclarations]: Found specification of procedure setlinebuf [2019-08-18 06:52:20,255 INFO L130 BoogieDeclarations]: Found specification of procedure fprintf [2019-08-18 06:52:20,255 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-08-18 06:52:20,255 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-08-18 06:52:20,256 INFO L130 BoogieDeclarations]: Found specification of procedure vfprintf [2019-08-18 06:52:20,256 INFO L130 BoogieDeclarations]: Found specification of procedure vprintf [2019-08-18 06:52:20,256 INFO L130 BoogieDeclarations]: Found specification of procedure vsprintf [2019-08-18 06:52:20,256 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-08-18 06:52:20,256 INFO L130 BoogieDeclarations]: Found specification of procedure vsnprintf [2019-08-18 06:52:20,256 INFO L130 BoogieDeclarations]: Found specification of procedure vdprintf [2019-08-18 06:52:20,257 INFO L130 BoogieDeclarations]: Found specification of procedure dprintf [2019-08-18 06:52:20,257 INFO L130 BoogieDeclarations]: Found specification of procedure fscanf [2019-08-18 06:52:20,257 INFO L130 BoogieDeclarations]: Found specification of procedure scanf [2019-08-18 06:52:20,257 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2019-08-18 06:52:20,257 INFO L130 BoogieDeclarations]: Found specification of procedure vfscanf [2019-08-18 06:52:20,258 INFO L130 BoogieDeclarations]: Found specification of procedure vscanf [2019-08-18 06:52:20,258 INFO L130 BoogieDeclarations]: Found specification of procedure vsscanf [2019-08-18 06:52:20,258 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc [2019-08-18 06:52:20,258 INFO L130 BoogieDeclarations]: Found specification of procedure getc [2019-08-18 06:52:20,258 INFO L130 BoogieDeclarations]: Found specification of procedure getchar [2019-08-18 06:52:20,258 INFO L130 BoogieDeclarations]: Found specification of procedure getc_unlocked [2019-08-18 06:52:20,259 INFO L130 BoogieDeclarations]: Found specification of procedure getchar_unlocked [2019-08-18 06:52:20,259 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc_unlocked [2019-08-18 06:52:20,259 INFO L130 BoogieDeclarations]: Found specification of procedure fputc [2019-08-18 06:52:20,259 INFO L130 BoogieDeclarations]: Found specification of procedure putc [2019-08-18 06:52:20,259 INFO L130 BoogieDeclarations]: Found specification of procedure putchar [2019-08-18 06:52:20,259 INFO L130 BoogieDeclarations]: Found specification of procedure fputc_unlocked [2019-08-18 06:52:20,260 INFO L130 BoogieDeclarations]: Found specification of procedure putc_unlocked [2019-08-18 06:52:20,260 INFO L130 BoogieDeclarations]: Found specification of procedure putchar_unlocked [2019-08-18 06:52:20,260 INFO L130 BoogieDeclarations]: Found specification of procedure getw [2019-08-18 06:52:20,260 INFO L130 BoogieDeclarations]: Found specification of procedure putw [2019-08-18 06:52:20,260 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2019-08-18 06:52:20,260 INFO L130 BoogieDeclarations]: Found specification of procedure __getdelim [2019-08-18 06:52:20,260 INFO L130 BoogieDeclarations]: Found specification of procedure getdelim [2019-08-18 06:52:20,261 INFO L130 BoogieDeclarations]: Found specification of procedure getline [2019-08-18 06:52:20,261 INFO L130 BoogieDeclarations]: Found specification of procedure fputs [2019-08-18 06:52:20,261 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-08-18 06:52:20,261 INFO L130 BoogieDeclarations]: Found specification of procedure ungetc [2019-08-18 06:52:20,261 INFO L130 BoogieDeclarations]: Found specification of procedure fread [2019-08-18 06:52:20,261 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite [2019-08-18 06:52:20,262 INFO L130 BoogieDeclarations]: Found specification of procedure fread_unlocked [2019-08-18 06:52:20,262 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite_unlocked [2019-08-18 06:52:20,262 INFO L130 BoogieDeclarations]: Found specification of procedure fseek [2019-08-18 06:52:20,262 INFO L130 BoogieDeclarations]: Found specification of procedure ftell [2019-08-18 06:52:20,262 INFO L130 BoogieDeclarations]: Found specification of procedure rewind [2019-08-18 06:52:20,263 INFO L130 BoogieDeclarations]: Found specification of procedure fseeko [2019-08-18 06:52:20,263 INFO L130 BoogieDeclarations]: Found specification of procedure ftello [2019-08-18 06:52:20,263 INFO L130 BoogieDeclarations]: Found specification of procedure fgetpos [2019-08-18 06:52:20,263 INFO L130 BoogieDeclarations]: Found specification of procedure fsetpos [2019-08-18 06:52:20,263 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr [2019-08-18 06:52:20,263 INFO L130 BoogieDeclarations]: Found specification of procedure feof [2019-08-18 06:52:20,263 INFO L130 BoogieDeclarations]: Found specification of procedure ferror [2019-08-18 06:52:20,264 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr_unlocked [2019-08-18 06:52:20,264 INFO L130 BoogieDeclarations]: Found specification of procedure feof_unlocked [2019-08-18 06:52:20,264 INFO L130 BoogieDeclarations]: Found specification of procedure ferror_unlocked [2019-08-18 06:52:20,264 INFO L130 BoogieDeclarations]: Found specification of procedure perror [2019-08-18 06:52:20,264 INFO L130 BoogieDeclarations]: Found specification of procedure fileno [2019-08-18 06:52:20,264 INFO L130 BoogieDeclarations]: Found specification of procedure fileno_unlocked [2019-08-18 06:52:20,265 INFO L130 BoogieDeclarations]: Found specification of procedure popen [2019-08-18 06:52:20,266 INFO L130 BoogieDeclarations]: Found specification of procedure pclose [2019-08-18 06:52:20,266 INFO L130 BoogieDeclarations]: Found specification of procedure ctermid [2019-08-18 06:52:20,267 INFO L130 BoogieDeclarations]: Found specification of procedure flockfile [2019-08-18 06:52:20,267 INFO L130 BoogieDeclarations]: Found specification of procedure ftrylockfile [2019-08-18 06:52:20,267 INFO L130 BoogieDeclarations]: Found specification of procedure funlockfile [2019-08-18 06:52:20,267 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-08-18 06:52:20,267 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-08-18 06:52:20,268 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-08-18 06:52:20,268 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-08-18 06:52:20,268 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-08-18 06:52:20,268 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-08-18 06:52:20,268 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-08-18 06:52:20,268 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-08-18 06:52:20,269 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-08-18 06:52:20,269 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-08-18 06:52:20,269 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-08-18 06:52:20,269 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-08-18 06:52:20,270 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-08-18 06:52:20,270 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-08-18 06:52:20,271 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-08-18 06:52:20,271 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-08-18 06:52:20,271 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-08-18 06:52:20,271 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-08-18 06:52:20,271 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-08-18 06:52:20,271 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-08-18 06:52:20,271 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-08-18 06:52:20,272 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-08-18 06:52:20,272 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-08-18 06:52:20,272 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-08-18 06:52:20,273 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-08-18 06:52:20,273 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-08-18 06:52:20,273 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-08-18 06:52:20,273 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-08-18 06:52:20,273 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-08-18 06:52:20,274 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-08-18 06:52:20,274 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-08-18 06:52:20,274 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-08-18 06:52:20,274 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-08-18 06:52:20,274 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-08-18 06:52:20,274 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-08-18 06:52:20,275 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-08-18 06:52:20,275 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-08-18 06:52:20,275 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-08-18 06:52:20,276 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-08-18 06:52:20,277 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-08-18 06:52:20,277 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-08-18 06:52:20,277 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-08-18 06:52:20,277 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-08-18 06:52:20,277 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-08-18 06:52:20,278 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-08-18 06:52:20,278 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-08-18 06:52:20,278 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-08-18 06:52:20,278 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-08-18 06:52:20,278 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-08-18 06:52:20,279 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-08-18 06:52:20,279 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-08-18 06:52:20,279 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-08-18 06:52:20,279 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-08-18 06:52:20,279 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-08-18 06:52:20,280 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-08-18 06:52:20,281 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-08-18 06:52:20,281 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-08-18 06:52:20,281 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-08-18 06:52:20,281 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-08-18 06:52:20,282 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-08-18 06:52:20,282 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-08-18 06:52:20,282 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-08-18 06:52:20,282 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-08-18 06:52:20,283 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-08-18 06:52:20,283 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-08-18 06:52:20,283 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-08-18 06:52:20,283 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-08-18 06:52:20,283 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-18 06:52:20,284 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-08-18 06:52:20,284 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-08-18 06:52:20,284 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-08-18 06:52:20,284 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-08-18 06:52:20,284 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-08-18 06:52:20,285 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-08-18 06:52:20,285 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-08-18 06:52:20,285 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-08-18 06:52:20,286 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-08-18 06:52:20,286 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-08-18 06:52:20,287 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-08-18 06:52:20,287 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-08-18 06:52:20,288 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-08-18 06:52:20,288 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-08-18 06:52:20,289 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-08-18 06:52:20,290 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-08-18 06:52:20,290 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-08-18 06:52:20,290 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-08-18 06:52:20,290 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-08-18 06:52:20,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-08-18 06:52:20,291 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-08-18 06:52:20,291 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-08-18 06:52:20,291 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-08-18 06:52:20,291 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-08-18 06:52:20,291 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-08-18 06:52:20,292 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-08-18 06:52:20,292 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-08-18 06:52:20,292 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-08-18 06:52:20,293 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-08-18 06:52:20,293 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-08-18 06:52:20,293 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-08-18 06:52:20,293 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-08-18 06:52:20,294 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-08-18 06:52:20,294 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-08-18 06:52:20,294 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-08-18 06:52:20,294 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-08-18 06:52:20,294 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-08-18 06:52:20,295 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-08-18 06:52:20,296 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-08-18 06:52:20,296 INFO L130 BoogieDeclarations]: Found specification of procedure search_list [2019-08-18 06:52:20,296 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-18 06:52:20,297 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-08-18 06:52:20,297 INFO L130 BoogieDeclarations]: Found specification of procedure delete_list [2019-08-18 06:52:20,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-08-18 06:52:20,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-18 06:52:20,297 INFO L130 BoogieDeclarations]: Found specification of procedure insert_list [2019-08-18 06:52:20,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-08-18 06:52:20,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-18 06:52:20,298 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-18 06:52:20,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-18 06:52:20,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-18 06:52:20,990 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-18 06:52:20,991 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-08-18 06:52:20,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 06:52:20 BoogieIcfgContainer [2019-08-18 06:52:20,992 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-18 06:52:20,993 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-18 06:52:20,993 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-18 06:52:20,993 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-18 06:52:20,994 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 06:52:20" (1/1) ... [2019-08-18 06:52:21,007 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-18 06:52:21,010 INFO L155 IcfgInterpreter]: Building call graph [2019-08-18 06:52:21,017 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-18 06:52:21,026 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-18 06:52:21,027 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-18 06:52:21,113 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-08-18 06:52:21,114 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 06:52:21,132 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:52:21,133 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-18 06:52:21,133 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:18 [2019-08-18 06:52:21,146 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 31 [2019-08-18 06:52:21,159 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_13|], 1=[|v_#valid_22|]} [2019-08-18 06:52:21,166 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-08-18 06:52:21,167 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 06:52:21,189 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:52:21,196 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2019-08-18 06:52:21,197 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 06:52:21,217 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:52:21,218 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-18 06:52:21,218 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:37, output treesize:30 [2019-08-18 06:52:21,226 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.offset_29|, |v_#memory_$Pointer$.base_29|, |v_#memory_int_23|], 2=[|v_#memory_$Pointer$.base_26|, |v_#memory_$Pointer$.offset_26|]} [2019-08-18 06:52:21,237 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2019-08-18 06:52:21,237 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 06:52:21,297 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:52:21,307 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2019-08-18 06:52:21,308 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 06:52:21,354 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:52:21,365 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 06:52:21,367 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2019-08-18 06:52:21,367 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 06:52:21,411 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:52:21,418 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2019-08-18 06:52:21,419 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-18 06:52:21,452 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:52:21,459 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2019-08-18 06:52:21,460 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-18 06:52:21,493 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:52:21,494 INFO L496 ElimStorePlain]: Start of recursive call 1: 5 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-18 06:52:21,494 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 5 variables, input treesize:114, output treesize:61 [2019-08-18 06:52:21,513 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_int_24|, |v_#memory_$Pointer$.base_30|, |v_#memory_$Pointer$.offset_30|], 2=[|v_#memory_$Pointer$.offset_22|, |v_#memory_$Pointer$.base_22|]} [2019-08-18 06:52:21,530 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 06:52:21,544 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 97 [2019-08-18 06:52:21,545 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 06:52:21,564 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 06:52:21,574 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 97 [2019-08-18 06:52:21,575 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 06:52:21,752 WARN L188 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2019-08-18 06:52:21,753 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:52:21,764 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 82 [2019-08-18 06:52:21,765 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 06:52:21,774 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 82 [2019-08-18 06:52:21,775 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-18 06:52:21,912 WARN L188 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2019-08-18 06:52:21,912 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:52:21,925 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 67 [2019-08-18 06:52:21,926 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-18 06:52:21,935 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 67 [2019-08-18 06:52:21,936 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-08-18 06:52:22,044 WARN L188 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2019-08-18 06:52:22,045 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:52:22,060 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 63 [2019-08-18 06:52:22,061 INFO L496 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2019-08-18 06:52:22,076 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 63 [2019-08-18 06:52:22,076 INFO L496 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2019-08-18 06:52:22,178 WARN L188 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2019-08-18 06:52:22,179 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:52:22,209 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 59 [2019-08-18 06:52:22,210 INFO L496 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2019-08-18 06:52:22,222 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 59 [2019-08-18 06:52:22,223 INFO L496 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2019-08-18 06:52:22,323 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:52:22,323 INFO L496 ElimStorePlain]: Start of recursive call 1: 5 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-08-18 06:52:22,324 INFO L221 ElimStorePlain]: Needed 11 recursive calls to eliminate 5 variables, input treesize:225, output treesize:119 [2019-08-18 06:52:22,354 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 06:52:22,361 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 06:52:22,383 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 06:52:22,404 INFO L185 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 26 [2019-08-18 06:52:22,407 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-18 06:52:22,407 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-18 06:52:22,410 INFO L179 IcfgInterpreter]: Location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 107#(and (exists ((v_main_~temp~0.base_BEFORE_CALL_1 Int) (v_prenex_2 Int) (v_main_~temp~0.offset_BEFORE_CALL_1 Int) (v_prenex_1 Int)) (or (and (= |#NULL.base| 0) (= (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) (= |#NULL.offset| 0)) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (not (= (select (select |#memory_int| v_prenex_1) v_prenex_2) 2)) (= |#NULL.offset| 0)))) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-08-18 06:52:22,419 INFO L92 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-18 06:52:22,419 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-18 06:52:22,421 INFO L168 Benchmark]: Toolchain (without parser) took 3140.86 ms. Allocated memory was 140.0 MB in the beginning and 262.1 MB in the end (delta: 122.2 MB). Free memory was 85.9 MB in the beginning and 207.3 MB in the end (delta: -121.4 MB). Peak memory consumption was 101.2 MB. Max. memory is 7.1 GB. [2019-08-18 06:52:22,422 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 140.0 MB. Free memory was 106.1 MB in the beginning and 105.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-18 06:52:22,423 INFO L168 Benchmark]: CACSL2BoogieTranslator took 792.94 ms. Allocated memory was 140.0 MB in the beginning and 201.9 MB in the end (delta: 61.9 MB). Free memory was 85.7 MB in the beginning and 146.2 MB in the end (delta: -60.5 MB). Peak memory consumption was 23.8 MB. Max. memory is 7.1 GB. [2019-08-18 06:52:22,424 INFO L168 Benchmark]: Boogie Preprocessor took 118.29 ms. Allocated memory is still 201.9 MB. Free memory was 146.2 MB in the beginning and 142.4 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2019-08-18 06:52:22,425 INFO L168 Benchmark]: RCFGBuilder took 797.93 ms. Allocated memory was 201.9 MB in the beginning and 227.0 MB in the end (delta: 25.2 MB). Free memory was 142.4 MB in the beginning and 191.9 MB in the end (delta: -49.5 MB). Peak memory consumption was 69.1 MB. Max. memory is 7.1 GB. [2019-08-18 06:52:22,426 INFO L168 Benchmark]: Symbolic Interpretation took 1426.75 ms. Allocated memory was 227.0 MB in the beginning and 262.1 MB in the end (delta: 35.1 MB). Free memory was 191.9 MB in the beginning and 207.3 MB in the end (delta: -15.4 MB). Peak memory consumption was 120.2 MB. Max. memory is 7.1 GB. [2019-08-18 06:52:22,430 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - 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 107#(and (exists ((v_main_~temp~0.base_BEFORE_CALL_1 Int) (v_prenex_2 Int) (v_main_~temp~0.offset_BEFORE_CALL_1 Int) (v_prenex_1 Int)) (or (and (= |#NULL.base| 0) (= (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) (= |#NULL.offset| 0)) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (not (= (select (select |#memory_int| v_prenex_1) v_prenex_2) 2)) (= |#NULL.offset| 0)))) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 140.0 MB. Free memory was 106.1 MB in the beginning and 105.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 792.94 ms. Allocated memory was 140.0 MB in the beginning and 201.9 MB in the end (delta: 61.9 MB). Free memory was 85.7 MB in the beginning and 146.2 MB in the end (delta: -60.5 MB). Peak memory consumption was 23.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 118.29 ms. Allocated memory is still 201.9 MB. Free memory was 146.2 MB in the beginning and 142.4 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 797.93 ms. Allocated memory was 201.9 MB in the beginning and 227.0 MB in the end (delta: 25.2 MB). Free memory was 142.4 MB in the beginning and 191.9 MB in the end (delta: -49.5 MB). Peak memory consumption was 69.1 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 1426.75 ms. Allocated memory was 227.0 MB in the beginning and 262.1 MB in the end (delta: 35.1 MB). Free memory was 191.9 MB in the beginning and 207.3 MB in the end (delta: -15.4 MB). Peak memory consumption was 120.2 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...