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.logsizewrapperfluid.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK --sifa.max.parallel.explicit.values 2 --sifa.sizelimitfluid.max.disjunctions 4 -i ../../../trunk/examples/svcomp/list-simple/sll2c_remove_all_reverse.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-ba7495b [2019-09-25 17:04:46,185 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-25 17:04:46,187 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-25 17:04:46,200 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-25 17:04:46,200 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-25 17:04:46,201 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-25 17:04:46,202 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-25 17:04:46,204 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-25 17:04:46,206 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-25 17:04:46,207 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-25 17:04:46,208 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-25 17:04:46,209 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-25 17:04:46,210 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-25 17:04:46,211 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-25 17:04:46,212 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-25 17:04:46,213 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-25 17:04:46,214 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-25 17:04:46,215 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-25 17:04:46,217 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-25 17:04:46,219 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-25 17:04:46,220 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-25 17:04:46,221 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-25 17:04:46,222 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-25 17:04:46,223 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-25 17:04:46,226 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-25 17:04:46,226 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-25 17:04:46,226 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-25 17:04:46,227 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-25 17:04:46,228 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-25 17:04:46,229 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-25 17:04:46,229 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-25 17:04:46,230 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-25 17:04:46,230 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-25 17:04:46,231 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-25 17:04:46,232 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-25 17:04:46,233 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-25 17:04:46,233 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-25 17:04:46,234 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-25 17:04:46,234 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-25 17:04:46,235 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-25 17:04:46,235 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-25 17:04:46,236 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 [2019-09-25 17:04:46,251 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-25 17:04:46,251 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-25 17:04:46,252 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-25 17:04:46,253 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-25 17:04:46,253 INFO L138 SettingsManager]: * Use SBE=true [2019-09-25 17:04:46,253 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-25 17:04:46,253 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-25 17:04:46,253 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-25 17:04:46,254 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-25 17:04:46,254 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-25 17:04:46,254 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-25 17:04:46,254 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-25 17:04:46,254 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-25 17:04:46,255 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-25 17:04:46,255 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-25 17:04:46,255 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-25 17:04:46,255 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-25 17:04:46,255 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-25 17:04:46,256 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-25 17:04:46,256 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-25 17:04:46,256 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-25 17:04:46,256 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 17:04:46,257 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-25 17:04:46,257 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-25 17:04:46,257 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-25 17:04:46,257 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-25 17:04:46,257 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-25 17:04:46,258 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-25 17:04:46,258 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: LogSizeWrapperFluid Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Max. Parallel Explicit Values -> 2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: SizeLimitFluid Max. Disjunctions -> 4 [2019-09-25 17:04:46,296 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-25 17:04:46,313 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-25 17:04:46,317 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-25 17:04:46,318 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-25 17:04:46,319 INFO L275 PluginConnector]: CDTParser initialized [2019-09-25 17:04:46,320 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/sll2c_remove_all_reverse.i [2019-09-25 17:04:46,385 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b01a7543a/9419bc51dbf5463cb22cc97b3443a7c7/FLAG9704b7949 [2019-09-25 17:04:46,917 INFO L306 CDTParser]: Found 1 translation units. [2019-09-25 17:04:46,919 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/sll2c_remove_all_reverse.i [2019-09-25 17:04:46,943 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b01a7543a/9419bc51dbf5463cb22cc97b3443a7c7/FLAG9704b7949 [2019-09-25 17:04:47,162 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b01a7543a/9419bc51dbf5463cb22cc97b3443a7c7 [2019-09-25 17:04:47,174 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-25 17:04:47,175 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-25 17:04:47,176 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-25 17:04:47,176 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-25 17:04:47,179 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-25 17:04:47,180 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:04:47" (1/1) ... [2019-09-25 17:04:47,182 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30a6bed1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:04:47, skipping insertion in model container [2019-09-25 17:04:47,182 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:04:47" (1/1) ... [2019-09-25 17:04:47,189 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-25 17:04:47,237 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-25 17:04:47,689 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:04:47,701 INFO L188 MainTranslator]: Completed pre-run [2019-09-25 17:04:47,770 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:04:47,823 INFO L192 MainTranslator]: Completed translation [2019-09-25 17:04:47,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:04:47 WrapperNode [2019-09-25 17:04:47,824 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-25 17:04:47,825 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-25 17:04:47,825 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-25 17:04:47,825 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-25 17:04:47,840 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:04:47" (1/1) ... [2019-09-25 17:04:47,840 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:04:47" (1/1) ... [2019-09-25 17:04:47,870 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:04:47" (1/1) ... [2019-09-25 17:04:47,870 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:04:47" (1/1) ... [2019-09-25 17:04:47,888 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:04:47" (1/1) ... [2019-09-25 17:04:47,894 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:04:47" (1/1) ... [2019-09-25 17:04:47,898 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:04:47" (1/1) ... [2019-09-25 17:04:47,905 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-25 17:04:47,905 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-25 17:04:47,905 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-25 17:04:47,906 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-25 17:04:47,907 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:04:47" (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 [2019-09-25 17:04:47,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-25 17:04:47,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-25 17:04:47,963 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-25 17:04:47,963 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-25 17:04:47,963 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-25 17:04:47,966 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-09-25 17:04:47,966 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_create [2019-09-25 17:04:47,967 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_remove_last [2019-09-25 17:04:47,967 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-25 17:04:47,967 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-25 17:04:47,968 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-25 17:04:47,969 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-25 17:04:47,969 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-25 17:04:47,969 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-25 17:04:47,969 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-25 17:04:47,969 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-25 17:04:47,972 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-25 17:04:47,972 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-25 17:04:47,972 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-25 17:04:47,972 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-25 17:04:47,972 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-25 17:04:47,973 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-25 17:04:47,974 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-25 17:04:47,974 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-25 17:04:47,974 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-25 17:04:47,974 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-25 17:04:47,975 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-25 17:04:47,975 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-25 17:04:47,975 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-25 17:04:47,975 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-25 17:04:47,976 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-25 17:04:47,976 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-25 17:04:47,976 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-25 17:04:47,976 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-25 17:04:47,976 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-25 17:04:47,976 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-25 17:04:47,976 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-25 17:04:47,977 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-25 17:04:47,977 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-25 17:04:47,977 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-25 17:04:47,977 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-25 17:04:47,977 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-25 17:04:47,977 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-25 17:04:47,978 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-25 17:04:47,978 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-25 17:04:47,978 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-25 17:04:47,978 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-25 17:04:47,979 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-25 17:04:47,980 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-25 17:04:47,980 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-25 17:04:47,980 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-25 17:04:47,980 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-25 17:04:47,980 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-25 17:04:47,981 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-25 17:04:47,981 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-25 17:04:47,981 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-25 17:04:47,981 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-25 17:04:47,981 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-25 17:04:47,982 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-25 17:04:47,982 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-25 17:04:47,982 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-25 17:04:47,982 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-25 17:04:47,982 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-25 17:04:47,983 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-25 17:04:47,983 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-25 17:04:47,983 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-25 17:04:47,983 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-25 17:04:47,983 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-25 17:04:47,984 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-25 17:04:47,984 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-25 17:04:47,984 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-25 17:04:47,985 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-25 17:04:47,985 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-25 17:04:47,986 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-25 17:04:47,986 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-25 17:04:47,986 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-25 17:04:47,987 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-25 17:04:47,987 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-25 17:04:47,988 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-25 17:04:47,988 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-25 17:04:47,988 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-25 17:04:47,988 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-25 17:04:47,988 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-25 17:04:47,988 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-25 17:04:47,989 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-25 17:04:47,989 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-25 17:04:47,989 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-25 17:04:47,989 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-25 17:04:47,989 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-25 17:04:47,989 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-25 17:04:47,989 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-25 17:04:47,990 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-25 17:04:47,990 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-25 17:04:47,990 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-25 17:04:47,990 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-25 17:04:47,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-25 17:04:47,990 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-25 17:04:47,990 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-25 17:04:47,991 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-25 17:04:47,991 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-25 17:04:47,991 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-25 17:04:47,991 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-25 17:04:47,991 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-25 17:04:47,991 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-25 17:04:47,991 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-25 17:04:47,992 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-25 17:04:47,992 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-25 17:04:47,992 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-25 17:04:47,992 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-25 17:04:47,992 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-25 17:04:47,992 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-25 17:04:47,992 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-25 17:04:47,993 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-25 17:04:47,993 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-25 17:04:47,993 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-25 17:04:47,993 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-25 17:04:47,993 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-09-25 17:04:47,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-25 17:04:47,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-25 17:04:47,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-25 17:04:47,995 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_create [2019-09-25 17:04:47,995 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_remove_last [2019-09-25 17:04:47,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-25 17:04:47,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-25 17:04:47,995 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-25 17:04:47,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-25 17:04:47,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-25 17:04:47,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-25 17:04:47,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-25 17:04:47,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-25 17:04:48,385 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-25 17:04:48,658 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-25 17:04:48,659 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-25 17:04:48,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:04:48 BoogieIcfgContainer [2019-09-25 17:04:48,660 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-25 17:04:48,661 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-25 17:04:48,662 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-25 17:04:48,663 INFO L275 PluginConnector]: Sifa initialized [2019-09-25 17:04:48,664 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:04:48" (1/1) ... [2019-09-25 17:04:48,666 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=ExplicitValueDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=4 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-09-25 17:04:48,700 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-25 17:04:48,700 INFO L169 IcfgInterpreter]: Building call graph [2019-09-25 17:04:48,711 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-25 17:04:48,724 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-25 17:04:48,734 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-25 17:04:48,916 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-25 17:04:49,073 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-25 17:04:49,196 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-25 17:04:50,502 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-25 17:04:50,508 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-25 17:04:50,546 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-25 17:04:50,547 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-25 17:04:50,549 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 157#(or (and (not (= (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|) 0)) (not (< main_~i~0 main_~len~0))) (and (not (< main_~i~0 main_~len~0)) (not (= (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|) 0)))) [2019-09-25 17:04:50,561 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-25 17:04:50,562 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-25 17:04:50,563 INFO L168 Benchmark]: Toolchain (without parser) took 3387.93 ms. Allocated memory was 131.1 MB in the beginning and 270.5 MB in the end (delta: 139.5 MB). Free memory was 84.3 MB in the beginning and 203.2 MB in the end (delta: -118.9 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. [2019-09-25 17:04:50,563 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 131.1 MB. Free memory is still 103.7 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-25 17:04:50,564 INFO L168 Benchmark]: CACSL2BoogieTranslator took 648.53 ms. Allocated memory was 131.1 MB in the beginning and 197.7 MB in the end (delta: 66.6 MB). Free memory was 83.9 MB in the beginning and 159.3 MB in the end (delta: -75.4 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. [2019-09-25 17:04:50,564 INFO L168 Benchmark]: Boogie Preprocessor took 79.95 ms. Allocated memory is still 197.7 MB. Free memory was 159.3 MB in the beginning and 156.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. [2019-09-25 17:04:50,568 INFO L168 Benchmark]: RCFGBuilder took 755.23 ms. Allocated memory is still 197.7 MB. Free memory was 156.1 MB in the beginning and 102.8 MB in the end (delta: 53.3 MB). Peak memory consumption was 53.3 MB. Max. memory is 7.1 GB. [2019-09-25 17:04:50,568 INFO L168 Benchmark]: Sifa took 1900.76 ms. Allocated memory was 197.7 MB in the beginning and 270.5 MB in the end (delta: 72.9 MB). Free memory was 102.8 MB in the beginning and 203.2 MB in the end (delta: -100.4 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-25 17:04:50,573 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 131.1 MB. Free memory is still 103.7 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 648.53 ms. Allocated memory was 131.1 MB in the beginning and 197.7 MB in the end (delta: 66.6 MB). Free memory was 83.9 MB in the beginning and 159.3 MB in the end (delta: -75.4 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 79.95 ms. Allocated memory is still 197.7 MB. Free memory was 159.3 MB in the beginning and 156.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 755.23 ms. Allocated memory is still 197.7 MB. Free memory was 156.1 MB in the beginning and 102.8 MB in the end (delta: 53.3 MB). Peak memory consumption was 53.3 MB. Max. memory is 7.1 GB. * Sifa took 1900.76 ms. Allocated memory was 197.7 MB in the beginning and 270.5 MB in the end (delta: 72.9 MB). Free memory was 102.8 MB in the beginning and 203.2 MB in the end (delta: -100.4 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 1849, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 72, DAG_INTERPRETER_EARLY_EXITS: 2, TOOLS_POST_APPLICATIONS: 56, TOOLS_POST_TIME[ms]: 860, TOOLS_POST_CALL_APPLICATIONS: 12, TOOLS_POST_CALL_TIME[ms]: 206, TOOLS_POST_RETURN_APPLICATIONS: 11, TOOLS_POST_RETURN_TIME[ms]: 422, TOOLS_QUANTIFIERELIM_APPLICATIONS: 74, TOOLS_QUANTIFIERELIM_TIME[ms]: 1442, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 252, FLUID_QUERY_TIME[ms]: 7, FLUID_QUERIES: 82, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 22, DOMAIN_JOIN_TIME[ms]: 158, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 6, DOMAIN_WIDEN_TIME[ms]: 42, DOMAIN_ISSUBSETEQ_APPLICATIONS: 10, DOMAIN_ISSUBSETEQ_TIME[ms]: 23, DOMAIN_ISBOTTOM_APPLICATIONS: 10, DOMAIN_ISBOTTOM_TIME[ms]: 21, LOOP_SUMMARIZER_APPLICATIONS: 4, LOOP_SUMMARIZER_CACHE_MISSES: 4, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 1020, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1019, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 10, CALL_SUMMARIZER_APPLICATIONS: 11, CALL_SUMMARIZER_CACHE_MISSES: 5, CALL_SUMMARIZER_OVERALL_TIME[ms]: 1524, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1524, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 21, DAG_COMPRESSION_PROCESSED_NODES: 151, DAG_COMPRESSION_RETAINED_NODES: 77 - UnprovableResult [Line: 613]: 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 157#(or (and (not (= (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|) 0)) (not (< main_~i~0 main_~len~0))) (and (not (< main_~i~0 main_~len~0)) (not (= (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|) 0)))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...