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/ldv-regression/rule60_list2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 14:08:33,338 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 14:08:33,340 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 14:08:33,352 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 14:08:33,352 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 14:08:33,353 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 14:08:33,354 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 14:08:33,356 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 14:08:33,358 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 14:08:33,359 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 14:08:33,360 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 14:08:33,361 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 14:08:33,361 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 14:08:33,362 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 14:08:33,363 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 14:08:33,364 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 14:08:33,365 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 14:08:33,366 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 14:08:33,367 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 14:08:33,369 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 14:08:33,370 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 14:08:33,371 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 14:08:33,372 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 14:08:33,373 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 14:08:33,375 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 14:08:33,375 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 14:08:33,375 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 14:08:33,376 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 14:08:33,376 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 14:08:33,377 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 14:08:33,378 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 14:08:33,378 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 14:08:33,379 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 14:08:33,380 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 14:08:33,381 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 14:08:33,381 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 14:08:33,381 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 14:08:33,382 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 14:08:33,382 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 14:08:33,383 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 14:08:33,383 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 14:08:33,384 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 14:08:33,398 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 14:08:33,399 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 14:08:33,400 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 14:08:33,400 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 14:08:33,400 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 14:08:33,401 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 14:08:33,401 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 14:08:33,401 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 14:08:33,401 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 14:08:33,401 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 14:08:33,402 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 14:08:33,402 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 14:08:33,402 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 14:08:33,402 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 14:08:33,402 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 14:08:33,403 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 14:08:33,403 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 14:08:33,403 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 14:08:33,403 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 14:08:33,403 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 14:08:33,404 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 14:08:33,404 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 14:08:33,404 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 14:08:33,404 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 14:08:33,404 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 14:08:33,405 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 14:08:33,405 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 14:08:33,405 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 14:08:33,405 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 14:08:33,435 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 14:08:33,456 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 14:08:33,463 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 14:08:33,464 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 14:08:33,464 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 14:08:33,465 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/rule60_list2.i [2019-09-20 14:08:33,542 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7d76bfea/033b0ed4416c4c618355d77728bc35d1/FLAG2170e75cc [2019-09-20 14:08:34,044 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 14:08:34,045 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/rule60_list2.i [2019-09-20 14:08:34,056 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7d76bfea/033b0ed4416c4c618355d77728bc35d1/FLAG2170e75cc [2019-09-20 14:08:34,419 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7d76bfea/033b0ed4416c4c618355d77728bc35d1 [2019-09-20 14:08:34,431 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 14:08:34,433 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 14:08:34,434 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 14:08:34,434 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 14:08:34,437 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 14:08:34,438 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:08:34" (1/1) ... [2019-09-20 14:08:34,441 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b1469cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:08:34, skipping insertion in model container [2019-09-20 14:08:34,441 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:08:34" (1/1) ... [2019-09-20 14:08:34,448 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 14:08:34,487 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 14:08:34,872 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 14:08:34,878 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 14:08:34,955 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 14:08:35,042 INFO L192 MainTranslator]: Completed translation [2019-09-20 14:08:35,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:08:35 WrapperNode [2019-09-20 14:08:35,043 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 14:08:35,043 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 14:08:35,043 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 14:08:35,044 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 14:08:35,057 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:08:35" (1/1) ... [2019-09-20 14:08:35,057 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:08:35" (1/1) ... [2019-09-20 14:08:35,077 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:08:35" (1/1) ... [2019-09-20 14:08:35,077 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:08:35" (1/1) ... [2019-09-20 14:08:35,089 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:08:35" (1/1) ... [2019-09-20 14:08:35,091 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:08:35" (1/1) ... [2019-09-20 14:08:35,094 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:08:35" (1/1) ... [2019-09-20 14:08:35,101 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 14:08:35,101 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 14:08:35,101 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 14:08:35,101 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 14:08:35,102 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:08:35" (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 14:08:35,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 14:08:35,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 14:08:35,157 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2019-09-20 14:08:35,157 INFO L138 BoogieDeclarations]: Found implementation of procedure __getMemory [2019-09-20 14:08:35,157 INFO L138 BoogieDeclarations]: Found implementation of procedure my_malloc [2019-09-20 14:08:35,157 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2019-09-20 14:08:35,157 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2019-09-20 14:08:35,157 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 14:08:35,158 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 14:08:35,158 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2019-09-20 14:08:35,158 INFO L130 BoogieDeclarations]: Found specification of procedure __underflow [2019-09-20 14:08:35,158 INFO L130 BoogieDeclarations]: Found specification of procedure __uflow [2019-09-20 14:08:35,158 INFO L130 BoogieDeclarations]: Found specification of procedure __overflow [2019-09-20 14:08:35,158 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_getc [2019-09-20 14:08:35,159 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_putc [2019-09-20 14:08:35,159 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_feof [2019-09-20 14:08:35,159 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ferror [2019-09-20 14:08:35,159 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_peekc_locked [2019-09-20 14:08:35,159 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_flockfile [2019-09-20 14:08:35,160 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_funlockfile [2019-09-20 14:08:35,160 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ftrylockfile [2019-09-20 14:08:35,160 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfscanf [2019-09-20 14:08:35,160 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfprintf [2019-09-20 14:08:35,160 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_padn [2019-09-20 14:08:35,160 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_sgetn [2019-09-20 14:08:35,161 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekoff [2019-09-20 14:08:35,161 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekpos [2019-09-20 14:08:35,161 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_free_backup_area [2019-09-20 14:08:35,161 INFO L130 BoogieDeclarations]: Found specification of procedure remove [2019-09-20 14:08:35,161 INFO L130 BoogieDeclarations]: Found specification of procedure rename [2019-09-20 14:08:35,161 INFO L130 BoogieDeclarations]: Found specification of procedure renameat [2019-09-20 14:08:35,162 INFO L130 BoogieDeclarations]: Found specification of procedure tmpfile [2019-09-20 14:08:35,162 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam [2019-09-20 14:08:35,162 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam_r [2019-09-20 14:08:35,162 INFO L130 BoogieDeclarations]: Found specification of procedure tempnam [2019-09-20 14:08:35,162 INFO L130 BoogieDeclarations]: Found specification of procedure fclose [2019-09-20 14:08:35,162 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2019-09-20 14:08:35,163 INFO L130 BoogieDeclarations]: Found specification of procedure fflush_unlocked [2019-09-20 14:08:35,163 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2019-09-20 14:08:35,163 INFO L130 BoogieDeclarations]: Found specification of procedure freopen [2019-09-20 14:08:35,163 INFO L130 BoogieDeclarations]: Found specification of procedure fdopen [2019-09-20 14:08:35,163 INFO L130 BoogieDeclarations]: Found specification of procedure fmemopen [2019-09-20 14:08:35,163 INFO L130 BoogieDeclarations]: Found specification of procedure open_memstream [2019-09-20 14:08:35,164 INFO L130 BoogieDeclarations]: Found specification of procedure setbuf [2019-09-20 14:08:35,164 INFO L130 BoogieDeclarations]: Found specification of procedure setvbuf [2019-09-20 14:08:35,164 INFO L130 BoogieDeclarations]: Found specification of procedure setbuffer [2019-09-20 14:08:35,164 INFO L130 BoogieDeclarations]: Found specification of procedure setlinebuf [2019-09-20 14:08:35,164 INFO L130 BoogieDeclarations]: Found specification of procedure fprintf [2019-09-20 14:08:35,164 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 14:08:35,165 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-09-20 14:08:35,165 INFO L130 BoogieDeclarations]: Found specification of procedure vfprintf [2019-09-20 14:08:35,165 INFO L130 BoogieDeclarations]: Found specification of procedure vprintf [2019-09-20 14:08:35,165 INFO L130 BoogieDeclarations]: Found specification of procedure vsprintf [2019-09-20 14:08:35,165 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-09-20 14:08:35,165 INFO L130 BoogieDeclarations]: Found specification of procedure vsnprintf [2019-09-20 14:08:35,166 INFO L130 BoogieDeclarations]: Found specification of procedure vdprintf [2019-09-20 14:08:35,166 INFO L130 BoogieDeclarations]: Found specification of procedure dprintf [2019-09-20 14:08:35,166 INFO L130 BoogieDeclarations]: Found specification of procedure fscanf [2019-09-20 14:08:35,166 INFO L130 BoogieDeclarations]: Found specification of procedure scanf [2019-09-20 14:08:35,166 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2019-09-20 14:08:35,166 INFO L130 BoogieDeclarations]: Found specification of procedure vfscanf [2019-09-20 14:08:35,167 INFO L130 BoogieDeclarations]: Found specification of procedure vscanf [2019-09-20 14:08:35,167 INFO L130 BoogieDeclarations]: Found specification of procedure vsscanf [2019-09-20 14:08:35,167 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc [2019-09-20 14:08:35,167 INFO L130 BoogieDeclarations]: Found specification of procedure getc [2019-09-20 14:08:35,167 INFO L130 BoogieDeclarations]: Found specification of procedure getchar [2019-09-20 14:08:35,167 INFO L130 BoogieDeclarations]: Found specification of procedure getc_unlocked [2019-09-20 14:08:35,168 INFO L130 BoogieDeclarations]: Found specification of procedure getchar_unlocked [2019-09-20 14:08:35,168 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc_unlocked [2019-09-20 14:08:35,168 INFO L130 BoogieDeclarations]: Found specification of procedure fputc [2019-09-20 14:08:35,168 INFO L130 BoogieDeclarations]: Found specification of procedure putc [2019-09-20 14:08:35,168 INFO L130 BoogieDeclarations]: Found specification of procedure putchar [2019-09-20 14:08:35,168 INFO L130 BoogieDeclarations]: Found specification of procedure fputc_unlocked [2019-09-20 14:08:35,169 INFO L130 BoogieDeclarations]: Found specification of procedure putc_unlocked [2019-09-20 14:08:35,169 INFO L130 BoogieDeclarations]: Found specification of procedure putchar_unlocked [2019-09-20 14:08:35,169 INFO L130 BoogieDeclarations]: Found specification of procedure getw [2019-09-20 14:08:35,169 INFO L130 BoogieDeclarations]: Found specification of procedure putw [2019-09-20 14:08:35,169 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2019-09-20 14:08:35,169 INFO L130 BoogieDeclarations]: Found specification of procedure gets [2019-09-20 14:08:35,170 INFO L130 BoogieDeclarations]: Found specification of procedure __getdelim [2019-09-20 14:08:35,170 INFO L130 BoogieDeclarations]: Found specification of procedure getdelim [2019-09-20 14:08:35,170 INFO L130 BoogieDeclarations]: Found specification of procedure getline [2019-09-20 14:08:35,170 INFO L130 BoogieDeclarations]: Found specification of procedure fputs [2019-09-20 14:08:35,170 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-09-20 14:08:35,170 INFO L130 BoogieDeclarations]: Found specification of procedure ungetc [2019-09-20 14:08:35,171 INFO L130 BoogieDeclarations]: Found specification of procedure fread [2019-09-20 14:08:35,171 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite [2019-09-20 14:08:35,171 INFO L130 BoogieDeclarations]: Found specification of procedure fread_unlocked [2019-09-20 14:08:35,171 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite_unlocked [2019-09-20 14:08:35,171 INFO L130 BoogieDeclarations]: Found specification of procedure fseek [2019-09-20 14:08:35,171 INFO L130 BoogieDeclarations]: Found specification of procedure ftell [2019-09-20 14:08:35,172 INFO L130 BoogieDeclarations]: Found specification of procedure rewind [2019-09-20 14:08:35,172 INFO L130 BoogieDeclarations]: Found specification of procedure fseeko [2019-09-20 14:08:35,172 INFO L130 BoogieDeclarations]: Found specification of procedure ftello [2019-09-20 14:08:35,172 INFO L130 BoogieDeclarations]: Found specification of procedure fgetpos [2019-09-20 14:08:35,172 INFO L130 BoogieDeclarations]: Found specification of procedure fsetpos [2019-09-20 14:08:35,172 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr [2019-09-20 14:08:35,172 INFO L130 BoogieDeclarations]: Found specification of procedure feof [2019-09-20 14:08:35,173 INFO L130 BoogieDeclarations]: Found specification of procedure ferror [2019-09-20 14:08:35,173 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr_unlocked [2019-09-20 14:08:35,173 INFO L130 BoogieDeclarations]: Found specification of procedure feof_unlocked [2019-09-20 14:08:35,173 INFO L130 BoogieDeclarations]: Found specification of procedure ferror_unlocked [2019-09-20 14:08:35,173 INFO L130 BoogieDeclarations]: Found specification of procedure perror [2019-09-20 14:08:35,173 INFO L130 BoogieDeclarations]: Found specification of procedure fileno [2019-09-20 14:08:35,173 INFO L130 BoogieDeclarations]: Found specification of procedure fileno_unlocked [2019-09-20 14:08:35,174 INFO L130 BoogieDeclarations]: Found specification of procedure popen [2019-09-20 14:08:35,174 INFO L130 BoogieDeclarations]: Found specification of procedure pclose [2019-09-20 14:08:35,174 INFO L130 BoogieDeclarations]: Found specification of procedure ctermid [2019-09-20 14:08:35,174 INFO L130 BoogieDeclarations]: Found specification of procedure flockfile [2019-09-20 14:08:35,174 INFO L130 BoogieDeclarations]: Found specification of procedure ftrylockfile [2019-09-20 14:08:35,174 INFO L130 BoogieDeclarations]: Found specification of procedure funlockfile [2019-09-20 14:08:35,175 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 14:08:35,175 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-20 14:08:35,175 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-20 14:08:35,175 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 14:08:35,175 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-20 14:08:35,175 INFO L130 BoogieDeclarations]: Found specification of procedure memalign [2019-09-20 14:08:35,175 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-20 14:08:35,176 INFO L130 BoogieDeclarations]: Found specification of procedure pvalloc [2019-09-20 14:08:35,176 INFO L130 BoogieDeclarations]: Found specification of procedure __default_morecore [2019-09-20 14:08:35,176 INFO L130 BoogieDeclarations]: Found specification of procedure mallinfo [2019-09-20 14:08:35,176 INFO L130 BoogieDeclarations]: Found specification of procedure mallopt [2019-09-20 14:08:35,176 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_trim [2019-09-20 14:08:35,176 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_usable_size [2019-09-20 14:08:35,176 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_stats [2019-09-20 14:08:35,177 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_info [2019-09-20 14:08:35,177 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_get_state [2019-09-20 14:08:35,177 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_set_state [2019-09-20 14:08:35,177 INFO L130 BoogieDeclarations]: Found specification of procedure __malloc_check_init [2019-09-20 14:08:35,177 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 14:08:35,177 INFO L130 BoogieDeclarations]: Found specification of procedure __getMemory [2019-09-20 14:08:35,178 INFO L130 BoogieDeclarations]: Found specification of procedure my_malloc [2019-09-20 14:08:35,178 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2019-09-20 14:08:35,178 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2019-09-20 14:08:35,178 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 14:08:35,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 14:08:35,178 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 14:08:35,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-20 14:08:35,179 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 14:08:35,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 14:08:35,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 14:08:35,179 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 14:08:35,725 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 14:08:35,725 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-20 14:08:35,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:08:35 BoogieIcfgContainer [2019-09-20 14:08:35,727 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 14:08:35,727 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 14:08:35,727 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 14:08:35,727 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 14:08:35,729 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:08:35" (1/1) ... [2019-09-20 14:08:35,729 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 14:08:35,755 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 14:08:35,756 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 14:08:35,764 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 14:08:35,775 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 14:08:35,777 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 14:08:36,214 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 51 for LOIs [2019-09-20 14:08:36,734 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2019-09-20 14:08:36,781 INFO L199 IcfgInterpreter]: Interpreting procedure list_add with input of size 13 for LOIs [2019-09-20 14:08:36,784 INFO L199 IcfgInterpreter]: Interpreting procedure my_malloc with input of size 47 for LOIs [2019-09-20 14:08:36,786 INFO L199 IcfgInterpreter]: Interpreting procedure __getMemory with input of size 47 for LOIs [2019-09-20 14:08:36,792 INFO L199 IcfgInterpreter]: Interpreting procedure __blast_assert with input of size 1 for LOIs [2019-09-20 14:08:36,794 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 14:08:36,794 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 14:08:36,795 INFO L193 IcfgInterpreter]: Reachable states at location __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 91#true [2019-09-20 14:08:36,810 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 14:08:36,811 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 14:08:36,813 INFO L168 Benchmark]: Toolchain (without parser) took 2379.89 ms. Allocated memory was 137.9 MB in the beginning and 220.2 MB in the end (delta: 82.3 MB). Free memory was 84.4 MB in the beginning and 115.7 MB in the end (delta: -31.3 MB). Peak memory consumption was 51.0 MB. Max. memory is 7.1 GB. [2019-09-20 14:08:36,815 INFO L168 Benchmark]: CDTParser took 3.26 ms. Allocated memory is still 137.9 MB. Free memory was 103.8 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 14:08:36,816 INFO L168 Benchmark]: CACSL2BoogieTranslator took 609.45 ms. Allocated memory was 137.9 MB in the beginning and 199.2 MB in the end (delta: 61.3 MB). Free memory was 84.2 MB in the beginning and 162.5 MB in the end (delta: -78.4 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. [2019-09-20 14:08:36,817 INFO L168 Benchmark]: Boogie Preprocessor took 57.55 ms. Allocated memory is still 199.2 MB. Free memory was 162.5 MB in the beginning and 159.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2019-09-20 14:08:36,818 INFO L168 Benchmark]: RCFGBuilder took 625.52 ms. Allocated memory is still 199.2 MB. Free memory was 159.9 MB in the beginning and 107.9 MB in the end (delta: 52.1 MB). Peak memory consumption was 52.1 MB. Max. memory is 7.1 GB. [2019-09-20 14:08:36,819 INFO L168 Benchmark]: Sifa took 1084.05 ms. Allocated memory was 199.2 MB in the beginning and 220.2 MB in the end (delta: 21.0 MB). Free memory was 107.2 MB in the beginning and 115.7 MB in the end (delta: -8.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. [2019-09-20 14:08:36,823 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.26 ms. Allocated memory is still 137.9 MB. Free memory was 103.8 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 609.45 ms. Allocated memory was 137.9 MB in the beginning and 199.2 MB in the end (delta: 61.3 MB). Free memory was 84.2 MB in the beginning and 162.5 MB in the end (delta: -78.4 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 57.55 ms. Allocated memory is still 199.2 MB. Free memory was 162.5 MB in the beginning and 159.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 625.52 ms. Allocated memory is still 199.2 MB. Free memory was 159.9 MB in the beginning and 107.9 MB in the end (delta: 52.1 MB). Peak memory consumption was 52.1 MB. Max. memory is 7.1 GB. * Sifa took 1084.05 ms. Allocated memory was 199.2 MB in the beginning and 220.2 MB in the end (delta: 21.0 MB). Free memory was 107.2 MB in the beginning and 115.7 MB in the end (delta: -8.5 MB). Peak memory consumption was 12.5 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]: 1040, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 43, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 23, TOOLS_POST_TIME[ms]: 257, TOOLS_POST_CALL_APPLICATIONS: 18, TOOLS_POST_CALL_TIME[ms]: 63, TOOLS_POST_RETURN_APPLICATIONS: 9, TOOLS_POST_RETURN_TIME[ms]: 28, TOOLS_QUANTIFIERELIM_APPLICATIONS: 50, TOOLS_QUANTIFIERELIM_TIME[ms]: 319, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 234, FLUID_QUERY_TIME[ms]: 5, FLUID_QUERIES: 43, FLUID_YES_ANSWERS: 1, DOMAIN_JOIN_APPLICATIONS: 13, DOMAIN_JOIN_TIME[ms]: 555, DOMAIN_ALPHA_APPLICATIONS: 1, DOMAIN_ALPHA_TIME[ms]: 16, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 0, DOMAIN_ISSUBSETEQ_TIME[ms]: 0, DOMAIN_ISBOTTOM_APPLICATIONS: 6, DOMAIN_ISBOTTOM_TIME[ms]: 21, LOOP_SUMMARIZER_APPLICATIONS: 0, LOOP_SUMMARIZER_CACHE_MISSES: 0, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 0, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 0, CALL_SUMMARIZER_APPLICATIONS: 9, CALL_SUMMARIZER_CACHE_MISSES: 6, CALL_SUMMARIZER_OVERALL_TIME[ms]: 578, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 577, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 26, DAG_COMPRESSION_PROCESSED_NODES: 117, DAG_COMPRESSION_RETAINED_NODES: 63 - UnprovableResult [Line: 6]: 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 91#true. Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...