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 IntervalDomain --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_list.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-17 09:50:27,371 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 09:50:27,373 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 09:50:27,384 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 09:50:27,385 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 09:50:27,386 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 09:50:27,387 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 09:50:27,389 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 09:50:27,390 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 09:50:27,391 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 09:50:27,392 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 09:50:27,393 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 09:50:27,394 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 09:50:27,395 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 09:50:27,396 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 09:50:27,397 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 09:50:27,397 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 09:50:27,398 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 09:50:27,400 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 09:50:27,402 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 09:50:27,404 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 09:50:27,405 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 09:50:27,406 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 09:50:27,407 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 09:50:27,409 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-17 09:50:27,409 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-17 09:50:27,409 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-17 09:50:27,410 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-17 09:50:27,411 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-17 09:50:27,415 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-17 09:50:27,415 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-17 09:50:27,416 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-17 09:50:27,417 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-17 09:50:27,419 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-17 09:50:27,420 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-17 09:50:27,420 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-17 09:50:27,423 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-17 09:50:27,423 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-17 09:50:27,423 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 09:50:27,424 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 09:50:27,425 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 09:50:27,429 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 [2019-09-17 09:50:27,452 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 09:50:27,453 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 09:50:27,454 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 09:50:27,455 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 09:50:27,455 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 09:50:27,455 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 09:50:27,455 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 09:50:27,455 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 09:50:27,456 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 09:50:27,456 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 09:50:27,457 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 09:50:27,457 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 09:50:27,457 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 09:50:27,458 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 09:50:27,458 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 09:50:27,458 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 09:50:27,458 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 09:50:27,459 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 09:50:27,459 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 09:50:27,459 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 09:50:27,460 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 09:50:27,460 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 09:50:27,460 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 09:50:27,460 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 09:50:27,460 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 09:50:27,461 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 09:50:27,461 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 09:50:27,461 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 09:50:27,461 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain 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 [2019-09-17 09:50:27,511 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 09:50:27,527 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 09:50:27,531 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 09:50:27,533 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 09:50:27,533 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 09:50:27,534 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/rule60_list.i [2019-09-17 09:50:27,606 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca7aee427/31bdedd042494633ba594da5e11a8056/FLAGd975f1cc8 [2019-09-17 09:50:28,163 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 09:50:28,164 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/rule60_list.i [2019-09-17 09:50:28,174 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca7aee427/31bdedd042494633ba594da5e11a8056/FLAGd975f1cc8 [2019-09-17 09:50:28,458 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca7aee427/31bdedd042494633ba594da5e11a8056 [2019-09-17 09:50:28,468 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 09:50:28,470 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 09:50:28,470 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 09:50:28,471 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 09:50:28,474 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 09:50:28,475 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 09:50:28" (1/1) ... [2019-09-17 09:50:28,478 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d74bca3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:50:28, skipping insertion in model container [2019-09-17 09:50:28,478 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 09:50:28" (1/1) ... [2019-09-17 09:50:28,484 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 09:50:28,519 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 09:50:28,884 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 09:50:28,896 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 09:50:28,939 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 09:50:29,004 INFO L192 MainTranslator]: Completed translation [2019-09-17 09:50:29,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:50:29 WrapperNode [2019-09-17 09:50:29,005 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 09:50:29,006 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 09:50:29,006 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 09:50:29,006 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 09:50:29,020 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:50:29" (1/1) ... [2019-09-17 09:50:29,020 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:50:29" (1/1) ... [2019-09-17 09:50:29,035 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:50:29" (1/1) ... [2019-09-17 09:50:29,035 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:50:29" (1/1) ... [2019-09-17 09:50:29,049 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:50:29" (1/1) ... [2019-09-17 09:50:29,051 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:50:29" (1/1) ... [2019-09-17 09:50:29,054 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:50:29" (1/1) ... [2019-09-17 09:50:29,063 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 09:50:29,063 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 09:50:29,063 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 09:50:29,064 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 09:50:29,064 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:50:29" (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 [2019-09-17 09:50:29,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 09:50:29,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 09:50:29,140 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2019-09-17 09:50:29,140 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2019-09-17 09:50:29,141 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2019-09-17 09:50:29,141 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 09:50:29,141 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 09:50:29,142 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2019-09-17 09:50:29,142 INFO L130 BoogieDeclarations]: Found specification of procedure __underflow [2019-09-17 09:50:29,142 INFO L130 BoogieDeclarations]: Found specification of procedure __uflow [2019-09-17 09:50:29,142 INFO L130 BoogieDeclarations]: Found specification of procedure __overflow [2019-09-17 09:50:29,143 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_getc [2019-09-17 09:50:29,143 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_putc [2019-09-17 09:50:29,143 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_feof [2019-09-17 09:50:29,143 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ferror [2019-09-17 09:50:29,143 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_peekc_locked [2019-09-17 09:50:29,143 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_flockfile [2019-09-17 09:50:29,144 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_funlockfile [2019-09-17 09:50:29,144 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ftrylockfile [2019-09-17 09:50:29,144 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfscanf [2019-09-17 09:50:29,144 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfprintf [2019-09-17 09:50:29,144 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_padn [2019-09-17 09:50:29,144 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_sgetn [2019-09-17 09:50:29,144 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekoff [2019-09-17 09:50:29,145 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekpos [2019-09-17 09:50:29,145 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_free_backup_area [2019-09-17 09:50:29,145 INFO L130 BoogieDeclarations]: Found specification of procedure remove [2019-09-17 09:50:29,145 INFO L130 BoogieDeclarations]: Found specification of procedure rename [2019-09-17 09:50:29,145 INFO L130 BoogieDeclarations]: Found specification of procedure renameat [2019-09-17 09:50:29,145 INFO L130 BoogieDeclarations]: Found specification of procedure tmpfile [2019-09-17 09:50:29,145 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam [2019-09-17 09:50:29,145 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam_r [2019-09-17 09:50:29,145 INFO L130 BoogieDeclarations]: Found specification of procedure tempnam [2019-09-17 09:50:29,145 INFO L130 BoogieDeclarations]: Found specification of procedure fclose [2019-09-17 09:50:29,146 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2019-09-17 09:50:29,146 INFO L130 BoogieDeclarations]: Found specification of procedure fflush_unlocked [2019-09-17 09:50:29,146 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2019-09-17 09:50:29,146 INFO L130 BoogieDeclarations]: Found specification of procedure freopen [2019-09-17 09:50:29,146 INFO L130 BoogieDeclarations]: Found specification of procedure fdopen [2019-09-17 09:50:29,148 INFO L130 BoogieDeclarations]: Found specification of procedure fmemopen [2019-09-17 09:50:29,148 INFO L130 BoogieDeclarations]: Found specification of procedure open_memstream [2019-09-17 09:50:29,148 INFO L130 BoogieDeclarations]: Found specification of procedure setbuf [2019-09-17 09:50:29,148 INFO L130 BoogieDeclarations]: Found specification of procedure setvbuf [2019-09-17 09:50:29,149 INFO L130 BoogieDeclarations]: Found specification of procedure setbuffer [2019-09-17 09:50:29,149 INFO L130 BoogieDeclarations]: Found specification of procedure setlinebuf [2019-09-17 09:50:29,149 INFO L130 BoogieDeclarations]: Found specification of procedure fprintf [2019-09-17 09:50:29,149 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-17 09:50:29,149 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-09-17 09:50:29,149 INFO L130 BoogieDeclarations]: Found specification of procedure vfprintf [2019-09-17 09:50:29,150 INFO L130 BoogieDeclarations]: Found specification of procedure vprintf [2019-09-17 09:50:29,150 INFO L130 BoogieDeclarations]: Found specification of procedure vsprintf [2019-09-17 09:50:29,150 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-09-17 09:50:29,150 INFO L130 BoogieDeclarations]: Found specification of procedure vsnprintf [2019-09-17 09:50:29,150 INFO L130 BoogieDeclarations]: Found specification of procedure vdprintf [2019-09-17 09:50:29,150 INFO L130 BoogieDeclarations]: Found specification of procedure dprintf [2019-09-17 09:50:29,150 INFO L130 BoogieDeclarations]: Found specification of procedure fscanf [2019-09-17 09:50:29,151 INFO L130 BoogieDeclarations]: Found specification of procedure scanf [2019-09-17 09:50:29,151 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2019-09-17 09:50:29,151 INFO L130 BoogieDeclarations]: Found specification of procedure vfscanf [2019-09-17 09:50:29,151 INFO L130 BoogieDeclarations]: Found specification of procedure vscanf [2019-09-17 09:50:29,152 INFO L130 BoogieDeclarations]: Found specification of procedure vsscanf [2019-09-17 09:50:29,152 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc [2019-09-17 09:50:29,152 INFO L130 BoogieDeclarations]: Found specification of procedure getc [2019-09-17 09:50:29,152 INFO L130 BoogieDeclarations]: Found specification of procedure getchar [2019-09-17 09:50:29,152 INFO L130 BoogieDeclarations]: Found specification of procedure getc_unlocked [2019-09-17 09:50:29,152 INFO L130 BoogieDeclarations]: Found specification of procedure getchar_unlocked [2019-09-17 09:50:29,153 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc_unlocked [2019-09-17 09:50:29,153 INFO L130 BoogieDeclarations]: Found specification of procedure fputc [2019-09-17 09:50:29,153 INFO L130 BoogieDeclarations]: Found specification of procedure putc [2019-09-17 09:50:29,153 INFO L130 BoogieDeclarations]: Found specification of procedure putchar [2019-09-17 09:50:29,153 INFO L130 BoogieDeclarations]: Found specification of procedure fputc_unlocked [2019-09-17 09:50:29,154 INFO L130 BoogieDeclarations]: Found specification of procedure putc_unlocked [2019-09-17 09:50:29,154 INFO L130 BoogieDeclarations]: Found specification of procedure putchar_unlocked [2019-09-17 09:50:29,154 INFO L130 BoogieDeclarations]: Found specification of procedure getw [2019-09-17 09:50:29,155 INFO L130 BoogieDeclarations]: Found specification of procedure putw [2019-09-17 09:50:29,155 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2019-09-17 09:50:29,155 INFO L130 BoogieDeclarations]: Found specification of procedure gets [2019-09-17 09:50:29,156 INFO L130 BoogieDeclarations]: Found specification of procedure __getdelim [2019-09-17 09:50:29,156 INFO L130 BoogieDeclarations]: Found specification of procedure getdelim [2019-09-17 09:50:29,156 INFO L130 BoogieDeclarations]: Found specification of procedure getline [2019-09-17 09:50:29,157 INFO L130 BoogieDeclarations]: Found specification of procedure fputs [2019-09-17 09:50:29,157 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-09-17 09:50:29,157 INFO L130 BoogieDeclarations]: Found specification of procedure ungetc [2019-09-17 09:50:29,157 INFO L130 BoogieDeclarations]: Found specification of procedure fread [2019-09-17 09:50:29,157 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite [2019-09-17 09:50:29,158 INFO L130 BoogieDeclarations]: Found specification of procedure fread_unlocked [2019-09-17 09:50:29,158 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite_unlocked [2019-09-17 09:50:29,159 INFO L130 BoogieDeclarations]: Found specification of procedure fseek [2019-09-17 09:50:29,159 INFO L130 BoogieDeclarations]: Found specification of procedure ftell [2019-09-17 09:50:29,159 INFO L130 BoogieDeclarations]: Found specification of procedure rewind [2019-09-17 09:50:29,159 INFO L130 BoogieDeclarations]: Found specification of procedure fseeko [2019-09-17 09:50:29,159 INFO L130 BoogieDeclarations]: Found specification of procedure ftello [2019-09-17 09:50:29,159 INFO L130 BoogieDeclarations]: Found specification of procedure fgetpos [2019-09-17 09:50:29,160 INFO L130 BoogieDeclarations]: Found specification of procedure fsetpos [2019-09-17 09:50:29,160 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr [2019-09-17 09:50:29,160 INFO L130 BoogieDeclarations]: Found specification of procedure feof [2019-09-17 09:50:29,160 INFO L130 BoogieDeclarations]: Found specification of procedure ferror [2019-09-17 09:50:29,160 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr_unlocked [2019-09-17 09:50:29,160 INFO L130 BoogieDeclarations]: Found specification of procedure feof_unlocked [2019-09-17 09:50:29,160 INFO L130 BoogieDeclarations]: Found specification of procedure ferror_unlocked [2019-09-17 09:50:29,161 INFO L130 BoogieDeclarations]: Found specification of procedure perror [2019-09-17 09:50:29,161 INFO L130 BoogieDeclarations]: Found specification of procedure fileno [2019-09-17 09:50:29,161 INFO L130 BoogieDeclarations]: Found specification of procedure fileno_unlocked [2019-09-17 09:50:29,161 INFO L130 BoogieDeclarations]: Found specification of procedure popen [2019-09-17 09:50:29,161 INFO L130 BoogieDeclarations]: Found specification of procedure pclose [2019-09-17 09:50:29,161 INFO L130 BoogieDeclarations]: Found specification of procedure ctermid [2019-09-17 09:50:29,162 INFO L130 BoogieDeclarations]: Found specification of procedure flockfile [2019-09-17 09:50:29,162 INFO L130 BoogieDeclarations]: Found specification of procedure ftrylockfile [2019-09-17 09:50:29,162 INFO L130 BoogieDeclarations]: Found specification of procedure funlockfile [2019-09-17 09:50:29,162 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-17 09:50:29,162 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-17 09:50:29,162 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-17 09:50:29,162 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-17 09:50:29,163 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-17 09:50:29,163 INFO L130 BoogieDeclarations]: Found specification of procedure memalign [2019-09-17 09:50:29,163 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-17 09:50:29,163 INFO L130 BoogieDeclarations]: Found specification of procedure pvalloc [2019-09-17 09:50:29,164 INFO L130 BoogieDeclarations]: Found specification of procedure __default_morecore [2019-09-17 09:50:29,164 INFO L130 BoogieDeclarations]: Found specification of procedure mallinfo [2019-09-17 09:50:29,164 INFO L130 BoogieDeclarations]: Found specification of procedure mallopt [2019-09-17 09:50:29,165 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_trim [2019-09-17 09:50:29,165 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_usable_size [2019-09-17 09:50:29,165 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_stats [2019-09-17 09:50:29,166 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_info [2019-09-17 09:50:29,167 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_get_state [2019-09-17 09:50:29,167 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_set_state [2019-09-17 09:50:29,167 INFO L130 BoogieDeclarations]: Found specification of procedure __malloc_check_init [2019-09-17 09:50:29,167 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2019-09-17 09:50:29,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-17 09:50:29,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-17 09:50:29,168 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2019-09-17 09:50:29,168 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 09:50:29,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-17 09:50:29,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 09:50:29,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-17 09:50:29,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-17 09:50:29,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-17 09:50:29,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 09:50:29,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-17 09:50:29,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-17 09:50:29,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-17 09:50:29,712 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 09:50:29,712 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-17 09:50:29,714 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 09:50:29 BoogieIcfgContainer [2019-09-17 09:50:29,714 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 09:50:29,714 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 09:50:29,714 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 09:50:29,715 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 09:50:29,716 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 09:50:29" (1/1) ... [2019-09-17 09:50:29,717 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ 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 [2019-09-17 09:50:29,740 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-17 09:50:29,740 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 09:50:29,748 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 09:50:29,756 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 09:50:29,758 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 09:50:30,075 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 26 for LOIs [2019-09-17 09:50:30,713 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 44 [2019-09-17 09:50:31,472 INFO L199 IcfgInterpreter]: Interpreting procedure list_add with input of size 17 for LOIs [2019-09-17 09:50:31,481 INFO L199 IcfgInterpreter]: Interpreting procedure list_del with input of size 35 for LOIs [2019-09-17 09:50:31,494 INFO L199 IcfgInterpreter]: Interpreting procedure __blast_assert with input of size 1 for LOIs [2019-09-17 09:50:31,496 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-17 09:50:31,496 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-17 09:50:31,498 INFO L193 IcfgInterpreter]: Reachable states at location __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 46#true [2019-09-17 09:50:31,513 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-17 09:50:31,513 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-17 09:50:31,515 INFO L168 Benchmark]: Toolchain (without parser) took 3045.30 ms. Allocated memory was 140.0 MB in the beginning and 259.5 MB in the end (delta: 119.5 MB). Free memory was 85.6 MB in the beginning and 195.5 MB in the end (delta: -109.9 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-09-17 09:50:31,523 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 140.0 MB. Free memory was 104.8 MB in the beginning and 104.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-17 09:50:31,528 INFO L168 Benchmark]: CACSL2BoogieTranslator took 535.16 ms. Allocated memory was 140.0 MB in the beginning and 200.3 MB in the end (delta: 60.3 MB). Free memory was 85.4 MB in the beginning and 163.1 MB in the end (delta: -77.7 MB). Peak memory consumption was 20.9 MB. Max. memory is 7.1 GB. [2019-09-17 09:50:31,529 INFO L168 Benchmark]: Boogie Preprocessor took 57.05 ms. Allocated memory is still 200.3 MB. Free memory was 163.1 MB in the beginning and 160.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. [2019-09-17 09:50:31,531 INFO L168 Benchmark]: RCFGBuilder took 650.70 ms. Allocated memory is still 200.3 MB. Free memory was 160.0 MB in the beginning and 115.6 MB in the end (delta: 44.4 MB). Peak memory consumption was 44.4 MB. Max. memory is 7.1 GB. [2019-09-17 09:50:31,532 INFO L168 Benchmark]: Sifa took 1799.01 ms. Allocated memory was 200.3 MB in the beginning and 259.5 MB in the end (delta: 59.2 MB). Free memory was 115.6 MB in the beginning and 195.5 MB in the end (delta: -79.8 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-17 09:50:31,541 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 140.0 MB. Free memory was 104.8 MB in the beginning and 104.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 535.16 ms. Allocated memory was 140.0 MB in the beginning and 200.3 MB in the end (delta: 60.3 MB). Free memory was 85.4 MB in the beginning and 163.1 MB in the end (delta: -77.7 MB). Peak memory consumption was 20.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 57.05 ms. Allocated memory is still 200.3 MB. Free memory was 163.1 MB in the beginning and 160.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 650.70 ms. Allocated memory is still 200.3 MB. Free memory was 160.0 MB in the beginning and 115.6 MB in the end (delta: 44.4 MB). Peak memory consumption was 44.4 MB. Max. memory is 7.1 GB. * Sifa took 1799.01 ms. Allocated memory was 200.3 MB in the beginning and 259.5 MB in the end (delta: 59.2 MB). Free memory was 115.6 MB in the beginning and 195.5 MB in the end (delta: -79.8 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]: 1758, ICFG_INTERPRETER_ENTERED_PROCEDURES: 5, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 32, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 18, TOOLS_POST_TIME[ms]: 307, TOOLS_POST_CALL_APPLICATIONS: 11, TOOLS_POST_CALL_TIME[ms]: 1076, TOOLS_POST_RETURN_APPLICATIONS: 5, TOOLS_POST_RETURN_TIME[ms]: 193, TOOLS_QUANTIFIERELIM_APPLICATIONS: 34, TOOLS_QUANTIFIERELIM_TIME[ms]: 1545, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 398, FLUID_QUERY_TIME[ms]: 6, FLUID_QUERIES: 32, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 10, DOMAIN_JOIN_TIME[ms]: 95, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 0, DOMAIN_ISSUBSETEQ_TIME[ms]: 0, DOMAIN_ISBOTTOM_APPLICATIONS: 4, DOMAIN_ISBOTTOM_TIME[ms]: 8, 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: 5, CALL_SUMMARIZER_CACHE_MISSES: 5, CALL_SUMMARIZER_OVERALL_TIME[ms]: 380, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 380, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 17, DAG_COMPRESSION_PROCESSED_NODES: 74, DAG_COMPRESSION_RETAINED_NODES: 47 - 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 46#true. Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...