java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid 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 14:08:17,142 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 14:08:17,145 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 14:08:17,166 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 14:08:17,167 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 14:08:17,168 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 14:08:17,170 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 14:08:17,183 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 14:08:17,185 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 14:08:17,186 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 14:08:17,187 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 14:08:17,188 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 14:08:17,188 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 14:08:17,190 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 14:08:17,191 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 14:08:17,192 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 14:08:17,196 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 14:08:17,197 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 14:08:17,199 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 14:08:17,203 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 14:08:17,206 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 14:08:17,208 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 14:08:17,210 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 14:08:17,211 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 14:08:17,216 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 14:08:17,216 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 14:08:17,218 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 14:08:17,219 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 14:08:17,221 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 14:08:17,223 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 14:08:17,223 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 14:08:17,225 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 14:08:17,226 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 14:08:17,227 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 14:08:17,230 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 14:08:17,230 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 14:08:17,231 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 14:08:17,231 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 14:08:17,231 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 14:08:17,232 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 14:08:17,233 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 14:08:17,234 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 14:08:17,259 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 14:08:17,260 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 14:08:17,262 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 14:08:17,262 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 14:08:17,262 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 14:08:17,262 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 14:08:17,263 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 14:08:17,263 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 14:08:17,263 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 14:08:17,263 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 14:08:17,264 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 14:08:17,265 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 14:08:17,265 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 14:08:17,265 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 14:08:17,265 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 14:08:17,266 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 14:08:17,266 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 14:08:17,266 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 14:08:17,266 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 14:08:17,266 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 14:08:17,267 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 14:08:17,267 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 14:08:17,267 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 14:08:17,268 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 14:08:17,268 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 14:08:17,268 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 14:08:17,268 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 14:08:17,269 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 14:08:17,269 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> 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 14:08:17,324 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 14:08:17,340 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 14:08:17,346 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 14:08:17,347 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 14:08:17,348 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 14:08:17,349 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-properties/list_search-2.i [2019-09-20 14:08:17,425 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b7de5b97/d95f7e5e21284992b2ff43f6b93b8edb/FLAGd9743770f [2019-09-20 14:08:17,964 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 14:08:17,965 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-properties/list_search-2.i [2019-09-20 14:08:17,990 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b7de5b97/d95f7e5e21284992b2ff43f6b93b8edb/FLAGd9743770f [2019-09-20 14:08:18,261 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b7de5b97/d95f7e5e21284992b2ff43f6b93b8edb [2019-09-20 14:08:18,273 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 14:08:18,274 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 14:08:18,276 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 14:08:18,276 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 14:08:18,279 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 14:08:18,279 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:08:18" (1/1) ... [2019-09-20 14:08:18,281 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7609cfe5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:08:18, skipping insertion in model container [2019-09-20 14:08:18,282 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:08:18" (1/1) ... [2019-09-20 14:08:18,287 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 14:08:18,335 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 14:08:18,847 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 14:08:18,861 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 14:08:18,946 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 14:08:19,073 INFO L192 MainTranslator]: Completed translation [2019-09-20 14:08:19,073 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:08:19 WrapperNode [2019-09-20 14:08:19,074 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 14:08:19,075 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 14:08:19,075 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 14:08:19,075 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 14:08:19,091 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:08:19" (1/1) ... [2019-09-20 14:08:19,091 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:08:19" (1/1) ... [2019-09-20 14:08:19,141 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:08:19" (1/1) ... [2019-09-20 14:08:19,141 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:08:19" (1/1) ... [2019-09-20 14:08:19,167 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:08:19" (1/1) ... [2019-09-20 14:08:19,179 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:08:19" (1/1) ... [2019-09-20 14:08:19,189 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:08:19" (1/1) ... [2019-09-20 14:08:19,207 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 14:08:19,208 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 14:08:19,211 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 14:08:19,211 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 14:08:19,214 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:08:19" (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 14:08:19,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 14:08:19,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 14:08:19,273 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-20 14:08:19,273 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-20 14:08:19,273 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-20 14:08:19,274 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-09-20 14:08:19,274 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-09-20 14:08:19,274 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-09-20 14:08:19,274 INFO L138 BoogieDeclarations]: Found implementation of procedure search_list [2019-09-20 14:08:19,274 INFO L138 BoogieDeclarations]: Found implementation of procedure delete_list [2019-09-20 14:08:19,275 INFO L138 BoogieDeclarations]: Found implementation of procedure insert_list [2019-09-20 14:08:19,275 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 14:08:19,275 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 14:08:19,275 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 14:08:19,275 INFO L130 BoogieDeclarations]: Found specification of procedure __underflow [2019-09-20 14:08:19,276 INFO L130 BoogieDeclarations]: Found specification of procedure __uflow [2019-09-20 14:08:19,276 INFO L130 BoogieDeclarations]: Found specification of procedure __overflow [2019-09-20 14:08:19,276 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_getc [2019-09-20 14:08:19,276 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_putc [2019-09-20 14:08:19,276 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_feof [2019-09-20 14:08:19,278 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ferror [2019-09-20 14:08:19,279 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_peekc_locked [2019-09-20 14:08:19,279 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_flockfile [2019-09-20 14:08:19,279 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_funlockfile [2019-09-20 14:08:19,279 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ftrylockfile [2019-09-20 14:08:19,279 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfscanf [2019-09-20 14:08:19,279 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfprintf [2019-09-20 14:08:19,280 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_padn [2019-09-20 14:08:19,280 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_sgetn [2019-09-20 14:08:19,280 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekoff [2019-09-20 14:08:19,280 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekpos [2019-09-20 14:08:19,281 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_free_backup_area [2019-09-20 14:08:19,281 INFO L130 BoogieDeclarations]: Found specification of procedure remove [2019-09-20 14:08:19,281 INFO L130 BoogieDeclarations]: Found specification of procedure rename [2019-09-20 14:08:19,281 INFO L130 BoogieDeclarations]: Found specification of procedure renameat [2019-09-20 14:08:19,281 INFO L130 BoogieDeclarations]: Found specification of procedure tmpfile [2019-09-20 14:08:19,282 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam [2019-09-20 14:08:19,282 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam_r [2019-09-20 14:08:19,282 INFO L130 BoogieDeclarations]: Found specification of procedure tempnam [2019-09-20 14:08:19,282 INFO L130 BoogieDeclarations]: Found specification of procedure fclose [2019-09-20 14:08:19,282 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2019-09-20 14:08:19,283 INFO L130 BoogieDeclarations]: Found specification of procedure fflush_unlocked [2019-09-20 14:08:19,283 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2019-09-20 14:08:19,283 INFO L130 BoogieDeclarations]: Found specification of procedure freopen [2019-09-20 14:08:19,283 INFO L130 BoogieDeclarations]: Found specification of procedure fdopen [2019-09-20 14:08:19,283 INFO L130 BoogieDeclarations]: Found specification of procedure fmemopen [2019-09-20 14:08:19,283 INFO L130 BoogieDeclarations]: Found specification of procedure open_memstream [2019-09-20 14:08:19,283 INFO L130 BoogieDeclarations]: Found specification of procedure setbuf [2019-09-20 14:08:19,284 INFO L130 BoogieDeclarations]: Found specification of procedure setvbuf [2019-09-20 14:08:19,284 INFO L130 BoogieDeclarations]: Found specification of procedure setbuffer [2019-09-20 14:08:19,284 INFO L130 BoogieDeclarations]: Found specification of procedure setlinebuf [2019-09-20 14:08:19,284 INFO L130 BoogieDeclarations]: Found specification of procedure fprintf [2019-09-20 14:08:19,284 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 14:08:19,284 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-09-20 14:08:19,284 INFO L130 BoogieDeclarations]: Found specification of procedure vfprintf [2019-09-20 14:08:19,285 INFO L130 BoogieDeclarations]: Found specification of procedure vprintf [2019-09-20 14:08:19,285 INFO L130 BoogieDeclarations]: Found specification of procedure vsprintf [2019-09-20 14:08:19,285 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-09-20 14:08:19,285 INFO L130 BoogieDeclarations]: Found specification of procedure vsnprintf [2019-09-20 14:08:19,286 INFO L130 BoogieDeclarations]: Found specification of procedure vdprintf [2019-09-20 14:08:19,286 INFO L130 BoogieDeclarations]: Found specification of procedure dprintf [2019-09-20 14:08:19,286 INFO L130 BoogieDeclarations]: Found specification of procedure fscanf [2019-09-20 14:08:19,286 INFO L130 BoogieDeclarations]: Found specification of procedure scanf [2019-09-20 14:08:19,287 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2019-09-20 14:08:19,287 INFO L130 BoogieDeclarations]: Found specification of procedure vfscanf [2019-09-20 14:08:19,287 INFO L130 BoogieDeclarations]: Found specification of procedure vscanf [2019-09-20 14:08:19,287 INFO L130 BoogieDeclarations]: Found specification of procedure vsscanf [2019-09-20 14:08:19,287 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc [2019-09-20 14:08:19,288 INFO L130 BoogieDeclarations]: Found specification of procedure getc [2019-09-20 14:08:19,288 INFO L130 BoogieDeclarations]: Found specification of procedure getchar [2019-09-20 14:08:19,289 INFO L130 BoogieDeclarations]: Found specification of procedure getc_unlocked [2019-09-20 14:08:19,289 INFO L130 BoogieDeclarations]: Found specification of procedure getchar_unlocked [2019-09-20 14:08:19,289 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc_unlocked [2019-09-20 14:08:19,290 INFO L130 BoogieDeclarations]: Found specification of procedure fputc [2019-09-20 14:08:19,290 INFO L130 BoogieDeclarations]: Found specification of procedure putc [2019-09-20 14:08:19,290 INFO L130 BoogieDeclarations]: Found specification of procedure putchar [2019-09-20 14:08:19,291 INFO L130 BoogieDeclarations]: Found specification of procedure fputc_unlocked [2019-09-20 14:08:19,291 INFO L130 BoogieDeclarations]: Found specification of procedure putc_unlocked [2019-09-20 14:08:19,291 INFO L130 BoogieDeclarations]: Found specification of procedure putchar_unlocked [2019-09-20 14:08:19,291 INFO L130 BoogieDeclarations]: Found specification of procedure getw [2019-09-20 14:08:19,292 INFO L130 BoogieDeclarations]: Found specification of procedure putw [2019-09-20 14:08:19,293 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2019-09-20 14:08:19,293 INFO L130 BoogieDeclarations]: Found specification of procedure __getdelim [2019-09-20 14:08:19,293 INFO L130 BoogieDeclarations]: Found specification of procedure getdelim [2019-09-20 14:08:19,293 INFO L130 BoogieDeclarations]: Found specification of procedure getline [2019-09-20 14:08:19,293 INFO L130 BoogieDeclarations]: Found specification of procedure fputs [2019-09-20 14:08:19,294 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-09-20 14:08:19,294 INFO L130 BoogieDeclarations]: Found specification of procedure ungetc [2019-09-20 14:08:19,295 INFO L130 BoogieDeclarations]: Found specification of procedure fread [2019-09-20 14:08:19,295 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite [2019-09-20 14:08:19,295 INFO L130 BoogieDeclarations]: Found specification of procedure fread_unlocked [2019-09-20 14:08:19,295 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite_unlocked [2019-09-20 14:08:19,295 INFO L130 BoogieDeclarations]: Found specification of procedure fseek [2019-09-20 14:08:19,295 INFO L130 BoogieDeclarations]: Found specification of procedure ftell [2019-09-20 14:08:19,296 INFO L130 BoogieDeclarations]: Found specification of procedure rewind [2019-09-20 14:08:19,296 INFO L130 BoogieDeclarations]: Found specification of procedure fseeko [2019-09-20 14:08:19,296 INFO L130 BoogieDeclarations]: Found specification of procedure ftello [2019-09-20 14:08:19,296 INFO L130 BoogieDeclarations]: Found specification of procedure fgetpos [2019-09-20 14:08:19,296 INFO L130 BoogieDeclarations]: Found specification of procedure fsetpos [2019-09-20 14:08:19,296 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr [2019-09-20 14:08:19,297 INFO L130 BoogieDeclarations]: Found specification of procedure feof [2019-09-20 14:08:19,297 INFO L130 BoogieDeclarations]: Found specification of procedure ferror [2019-09-20 14:08:19,297 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr_unlocked [2019-09-20 14:08:19,297 INFO L130 BoogieDeclarations]: Found specification of procedure feof_unlocked [2019-09-20 14:08:19,297 INFO L130 BoogieDeclarations]: Found specification of procedure ferror_unlocked [2019-09-20 14:08:19,298 INFO L130 BoogieDeclarations]: Found specification of procedure perror [2019-09-20 14:08:19,298 INFO L130 BoogieDeclarations]: Found specification of procedure fileno [2019-09-20 14:08:19,298 INFO L130 BoogieDeclarations]: Found specification of procedure fileno_unlocked [2019-09-20 14:08:19,298 INFO L130 BoogieDeclarations]: Found specification of procedure popen [2019-09-20 14:08:19,298 INFO L130 BoogieDeclarations]: Found specification of procedure pclose [2019-09-20 14:08:19,298 INFO L130 BoogieDeclarations]: Found specification of procedure ctermid [2019-09-20 14:08:19,299 INFO L130 BoogieDeclarations]: Found specification of procedure flockfile [2019-09-20 14:08:19,299 INFO L130 BoogieDeclarations]: Found specification of procedure ftrylockfile [2019-09-20 14:08:19,299 INFO L130 BoogieDeclarations]: Found specification of procedure funlockfile [2019-09-20 14:08:19,299 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-20 14:08:19,299 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-20 14:08:19,299 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-20 14:08:19,300 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-20 14:08:19,300 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-20 14:08:19,300 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-20 14:08:19,301 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-20 14:08:19,301 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-20 14:08:19,301 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-20 14:08:19,302 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-20 14:08:19,302 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-20 14:08:19,302 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-20 14:08:19,302 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-20 14:08:19,302 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-20 14:08:19,303 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-20 14:08:19,303 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-20 14:08:19,303 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-20 14:08:19,303 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-20 14:08:19,304 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-09-20 14:08:19,304 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-09-20 14:08:19,308 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-09-20 14:08:19,308 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-20 14:08:19,308 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-20 14:08:19,309 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-20 14:08:19,309 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-20 14:08:19,309 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-20 14:08:19,310 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-20 14:08:19,310 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-20 14:08:19,310 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-20 14:08:19,310 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-20 14:08:19,318 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-20 14:08:19,318 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-20 14:08:19,318 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-20 14:08:19,318 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-20 14:08:19,318 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-20 14:08:19,318 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-20 14:08:19,319 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-20 14:08:19,319 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-20 14:08:19,319 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-20 14:08:19,319 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-20 14:08:19,319 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-20 14:08:19,319 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-20 14:08:19,320 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-20 14:08:19,320 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-20 14:08:19,320 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-20 14:08:19,320 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-20 14:08:19,321 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-20 14:08:19,321 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-20 14:08:19,321 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-20 14:08:19,322 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-20 14:08:19,322 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-20 14:08:19,322 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-20 14:08:19,322 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-20 14:08:19,322 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-20 14:08:19,322 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-20 14:08:19,323 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 14:08:19,323 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-20 14:08:19,323 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-20 14:08:19,323 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 14:08:19,323 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-20 14:08:19,323 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-20 14:08:19,324 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-20 14:08:19,324 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-20 14:08:19,324 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-20 14:08:19,324 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-20 14:08:19,324 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-20 14:08:19,324 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-20 14:08:19,324 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-20 14:08:19,325 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-20 14:08:19,325 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-20 14:08:19,325 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-20 14:08:19,325 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-20 14:08:19,325 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-20 14:08:19,325 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-20 14:08:19,326 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-20 14:08:19,326 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-20 14:08:19,326 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-20 14:08:19,326 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-20 14:08:19,326 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-20 14:08:19,326 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-20 14:08:19,327 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-20 14:08:19,327 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-20 14:08:19,327 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-20 14:08:19,327 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-20 14:08:19,327 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-20 14:08:19,328 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-20 14:08:19,328 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-20 14:08:19,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-20 14:08:19,328 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-20 14:08:19,328 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-20 14:08:19,329 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-20 14:08:19,329 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-20 14:08:19,329 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-20 14:08:19,329 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-20 14:08:19,331 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-20 14:08:19,331 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-20 14:08:19,331 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-20 14:08:19,331 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-20 14:08:19,331 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-20 14:08:19,332 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-20 14:08:19,332 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-20 14:08:19,332 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-20 14:08:19,332 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-20 14:08:19,332 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-20 14:08:19,332 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-20 14:08:19,333 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-20 14:08:19,333 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-20 14:08:19,333 INFO L130 BoogieDeclarations]: Found specification of procedure search_list [2019-09-20 14:08:19,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 14:08:19,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 14:08:19,333 INFO L130 BoogieDeclarations]: Found specification of procedure delete_list [2019-09-20 14:08:19,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 14:08:19,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 14:08:19,334 INFO L130 BoogieDeclarations]: Found specification of procedure insert_list [2019-09-20 14:08:19,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 14:08:19,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 14:08:19,334 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 14:08:19,335 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 14:08:19,335 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 14:08:20,207 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 14:08:20,207 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-20 14:08:20,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:08:20 BoogieIcfgContainer [2019-09-20 14:08:20,209 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 14:08:20,209 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 14:08:20,209 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 14:08:20,210 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 14:08:20,211 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:08:20" (1/1) ... [2019-09-20 14:08:20,211 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 14:08:20,235 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 14:08:20,235 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 14:08:20,243 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 14:08:20,252 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 14:08:20,254 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 14:08:20,422 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 31 for LOIs [2019-09-20 14:08:21,546 WARN L191 SmtUtils]: Spent 952.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2019-09-20 14:08:22,439 WARN L191 SmtUtils]: Spent 772.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2019-09-20 14:08:23,095 WARN L191 SmtUtils]: Spent 588.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-20 14:08:23,632 WARN L191 SmtUtils]: Spent 459.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2019-09-20 14:08:24,057 WARN L191 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-09-20 14:08:24,430 WARN L191 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-09-20 14:08:24,671 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-20 14:08:24,892 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2019-09-20 14:08:25,096 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2019-09-20 14:08:25,296 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2019-09-20 14:08:25,469 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2019-09-20 14:08:25,664 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 50 [2019-09-20 14:08:26,707 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2019-09-20 14:08:26,925 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2019-09-20 14:08:27,265 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 28 for LOIs [2019-09-20 14:08:27,291 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 14:08:27,291 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 14:08:27,293 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 79#(and (exists ((v_prenex_4 Int) (v_prenex_5 Int) (v_main_~temp~0.base_BEFORE_CALL_1 Int) (v_main_~temp~0.offset_BEFORE_CALL_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) (= ~head~0.offset 0) (= |#NULL.offset| 0)) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (= ~head~0.offset 0) (= |#NULL.offset| 0) (not (= (select (select |#memory_int| v_prenex_4) v_prenex_5) 2))))) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-09-20 14:08:27,310 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 14:08:27,310 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 14:08:27,317 INFO L168 Benchmark]: Toolchain (without parser) took 9037.46 ms. Allocated memory was 138.9 MB in the beginning and 323.5 MB in the end (delta: 184.5 MB). Free memory was 83.3 MB in the beginning and 129.8 MB in the end (delta: -46.5 MB). Peak memory consumption was 138.0 MB. Max. memory is 7.1 GB. [2019-09-20 14:08:27,317 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 138.9 MB. Free memory was 103.7 MB in the beginning and 103.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 14:08:27,321 INFO L168 Benchmark]: CACSL2BoogieTranslator took 799.09 ms. Allocated memory was 138.9 MB in the beginning and 199.8 MB in the end (delta: 60.8 MB). Free memory was 83.0 MB in the beginning and 142.4 MB in the end (delta: -59.4 MB). Peak memory consumption was 21.6 MB. Max. memory is 7.1 GB. [2019-09-20 14:08:27,322 INFO L168 Benchmark]: Boogie Preprocessor took 132.70 ms. Allocated memory is still 199.8 MB. Free memory was 142.4 MB in the beginning and 138.7 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. [2019-09-20 14:08:27,327 INFO L168 Benchmark]: RCFGBuilder took 1000.84 ms. Allocated memory was 199.8 MB in the beginning and 221.8 MB in the end (delta: 22.0 MB). Free memory was 138.1 MB in the beginning and 175.8 MB in the end (delta: -37.6 MB). Peak memory consumption was 70.4 MB. Max. memory is 7.1 GB. [2019-09-20 14:08:27,331 INFO L168 Benchmark]: Sifa took 7100.73 ms. Allocated memory was 221.8 MB in the beginning and 323.5 MB in the end (delta: 101.7 MB). Free memory was 175.8 MB in the beginning and 129.8 MB in the end (delta: 46.0 MB). Peak memory consumption was 147.7 MB. Max. memory is 7.1 GB. [2019-09-20 14:08:27,338 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 138.9 MB. Free memory was 103.7 MB in the beginning and 103.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 799.09 ms. Allocated memory was 138.9 MB in the beginning and 199.8 MB in the end (delta: 60.8 MB). Free memory was 83.0 MB in the beginning and 142.4 MB in the end (delta: -59.4 MB). Peak memory consumption was 21.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 132.70 ms. Allocated memory is still 199.8 MB. Free memory was 142.4 MB in the beginning and 138.7 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1000.84 ms. Allocated memory was 199.8 MB in the beginning and 221.8 MB in the end (delta: 22.0 MB). Free memory was 138.1 MB in the beginning and 175.8 MB in the end (delta: -37.6 MB). Peak memory consumption was 70.4 MB. Max. memory is 7.1 GB. * Sifa took 7100.73 ms. Allocated memory was 221.8 MB in the beginning and 323.5 MB in the end (delta: 101.7 MB). Free memory was 175.8 MB in the beginning and 129.8 MB in the end (delta: 46.0 MB). Peak memory consumption was 147.7 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]: 7058, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 36, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 26, TOOLS_POST_TIME[ms]: 5342, TOOLS_POST_CALL_APPLICATIONS: 8, TOOLS_POST_CALL_TIME[ms]: 53, TOOLS_POST_RETURN_APPLICATIONS: 6, TOOLS_POST_RETURN_TIME[ms]: 456, TOOLS_QUANTIFIERELIM_APPLICATIONS: 40, TOOLS_QUANTIFIERELIM_TIME[ms]: 5825, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 5230, FLUID_QUERY_TIME[ms]: 5, FLUID_QUERIES: 42, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 11, DOMAIN_JOIN_TIME[ms]: 749, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 369, DOMAIN_ISSUBSETEQ_APPLICATIONS: 6, DOMAIN_ISSUBSETEQ_TIME[ms]: 12, DOMAIN_ISBOTTOM_APPLICATIONS: 1, DOMAIN_ISBOTTOM_TIME[ms]: 1, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 941, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 940, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 6, CALL_SUMMARIZER_APPLICATIONS: 6, CALL_SUMMARIZER_CACHE_MISSES: 3, CALL_SUMMARIZER_OVERALL_TIME[ms]: 5723, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 5722, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 13, 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 79#(and (exists ((v_prenex_4 Int) (v_prenex_5 Int) (v_main_~temp~0.base_BEFORE_CALL_1 Int) (v_main_~temp~0.offset_BEFORE_CALL_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) (= ~head~0.offset 0) (= |#NULL.offset| 0)) (and (= |#NULL.base| 0) (= |__VERIFIER_assert_#in~cond| 0) (= ~head~0.offset 0) (= |#NULL.offset| 0) (not (= (select (select |#memory_int| v_prenex_4) v_prenex_5) 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...