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 InterpretCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/list-ext2-properties/simple_search_value-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 21:26:57,751 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 21:26:57,753 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 21:26:57,765 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 21:26:57,765 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 21:26:57,766 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 21:26:57,767 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 21:26:57,770 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 21:26:57,778 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 21:26:57,779 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 21:26:57,783 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 21:26:57,785 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 21:26:57,786 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 21:26:57,787 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 21:26:57,788 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 21:26:57,789 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 21:26:57,790 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 21:26:57,790 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 21:26:57,792 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 21:26:57,794 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 21:26:57,795 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 21:26:57,796 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 21:26:57,797 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 21:26:57,798 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 21:26:57,800 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 21:26:57,800 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 21:26:57,801 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 21:26:57,802 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 21:26:57,802 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 21:26:57,803 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 21:26:57,803 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 21:26:57,804 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 21:26:57,805 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 21:26:57,805 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 21:26:57,806 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 21:26:57,807 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 21:26:57,807 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 21:26:57,807 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 21:26:57,808 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 21:26:57,809 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 21:26:57,809 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 21:26:57,810 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 21:26:57,833 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 21:26:57,833 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 21:26:57,835 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 21:26:57,835 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 21:26:57,835 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 21:26:57,835 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 21:26:57,836 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 21:26:57,836 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 21:26:57,836 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 21:26:57,837 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 21:26:57,837 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 21:26:57,838 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 21:26:57,838 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 21:26:57,838 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 21:26:57,838 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 21:26:57,838 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 21:26:57,839 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 21:26:57,839 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 21:26:57,839 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 21:26:57,839 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 21:26:57,839 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 21:26:57,840 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 21:26:57,840 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 21:26:57,841 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 21:26:57,842 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 21:26:57,842 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 21:26:57,842 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 21:26:57,843 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 21:26:57,843 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 -> InterpretCallSummarizer 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 21:26:57,889 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 21:26:57,902 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 21:26:57,905 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 21:26:57,907 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 21:26:57,907 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 21:26:57,908 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-ext2-properties/simple_search_value-1.i [2019-09-20 21:26:57,969 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f108d52c/c526633aedf64faa8d474173e0ce5355/FLAG520f977ec [2019-09-20 21:26:58,501 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 21:26:58,502 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-ext2-properties/simple_search_value-1.i [2019-09-20 21:26:58,524 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f108d52c/c526633aedf64faa8d474173e0ce5355/FLAG520f977ec [2019-09-20 21:26:58,763 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f108d52c/c526633aedf64faa8d474173e0ce5355 [2019-09-20 21:26:58,774 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 21:26:58,775 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 21:26:58,776 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 21:26:58,776 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 21:26:58,779 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 21:26:58,780 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 09:26:58" (1/1) ... [2019-09-20 21:26:58,782 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15459dda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:26:58, skipping insertion in model container [2019-09-20 21:26:58,782 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 09:26:58" (1/1) ... [2019-09-20 21:26:58,789 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 21:26:58,842 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 21:26:59,263 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 21:26:59,275 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 21:26:59,335 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 21:26:59,385 INFO L192 MainTranslator]: Completed translation [2019-09-20 21:26:59,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:26:59 WrapperNode [2019-09-20 21:26:59,386 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 21:26:59,386 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 21:26:59,387 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 21:26:59,387 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 21:26:59,401 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:26:59" (1/1) ... [2019-09-20 21:26:59,401 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:26:59" (1/1) ... [2019-09-20 21:26:59,428 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:26:59" (1/1) ... [2019-09-20 21:26:59,429 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:26:59" (1/1) ... [2019-09-20 21:26:59,443 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:26:59" (1/1) ... [2019-09-20 21:26:59,449 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:26:59" (1/1) ... [2019-09-20 21:26:59,452 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:26:59" (1/1) ... [2019-09-20 21:26:59,458 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 21:26:59,459 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 21:26:59,459 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 21:26:59,459 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 21:26:59,460 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:26:59" (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 21:26:59,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 21:26:59,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 21:26:59,520 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-20 21:26:59,520 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-20 21:26:59,520 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-20 21:26:59,520 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 21:26:59,521 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 21:26:59,521 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 21:26:59,521 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-20 21:26:59,521 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-20 21:26:59,521 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-20 21:26:59,522 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-20 21:26:59,522 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-20 21:26:59,522 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-20 21:26:59,522 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-20 21:26:59,522 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-20 21:26:59,523 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-20 21:26:59,523 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-20 21:26:59,523 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-20 21:26:59,523 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-20 21:26:59,523 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-20 21:26:59,523 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-20 21:26:59,524 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-20 21:26:59,524 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-20 21:26:59,524 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-20 21:26:59,524 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-20 21:26:59,524 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-20 21:26:59,524 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-20 21:26:59,525 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-20 21:26:59,525 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-20 21:26:59,525 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-20 21:26:59,525 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-20 21:26:59,525 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-20 21:26:59,525 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-20 21:26:59,526 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-20 21:26:59,526 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-20 21:26:59,526 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-20 21:26:59,526 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-20 21:26:59,526 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-20 21:26:59,527 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-20 21:26:59,527 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-20 21:26:59,527 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-20 21:26:59,527 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-20 21:26:59,527 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-20 21:26:59,527 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-20 21:26:59,528 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-20 21:26:59,528 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-20 21:26:59,528 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-20 21:26:59,528 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-20 21:26:59,528 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-20 21:26:59,528 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-20 21:26:59,529 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-20 21:26:59,529 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-20 21:26:59,529 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-20 21:26:59,529 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-20 21:26:59,529 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-20 21:26:59,529 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-20 21:26:59,529 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-20 21:26:59,530 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-20 21:26:59,530 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-20 21:26:59,530 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 21:26:59,530 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-20 21:26:59,530 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-20 21:26:59,531 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 21:26:59,531 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-20 21:26:59,531 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-20 21:26:59,531 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-20 21:26:59,531 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-20 21:26:59,531 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-20 21:26:59,532 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-20 21:26:59,532 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-20 21:26:59,532 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-20 21:26:59,532 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-20 21:26:59,532 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-20 21:26:59,532 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-20 21:26:59,532 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-20 21:26:59,533 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-20 21:26:59,533 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-20 21:26:59,533 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-20 21:26:59,533 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-20 21:26:59,533 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-20 21:26:59,533 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-20 21:26:59,534 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-20 21:26:59,534 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-20 21:26:59,534 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-20 21:26:59,534 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-20 21:26:59,534 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-20 21:26:59,534 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-20 21:26:59,535 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-20 21:26:59,535 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-20 21:26:59,535 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-20 21:26:59,535 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-20 21:26:59,535 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-20 21:26:59,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-20 21:26:59,536 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-20 21:26:59,536 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-20 21:26:59,536 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-20 21:26:59,536 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-20 21:26:59,536 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-20 21:26:59,536 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-20 21:26:59,536 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-20 21:26:59,537 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-20 21:26:59,537 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-20 21:26:59,537 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-20 21:26:59,537 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-20 21:26:59,537 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-20 21:26:59,537 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-20 21:26:59,537 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-20 21:26:59,538 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-20 21:26:59,538 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-20 21:26:59,538 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-20 21:26:59,538 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-20 21:26:59,538 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-20 21:26:59,538 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-20 21:26:59,538 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 21:26:59,539 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 21:26:59,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 21:26:59,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 21:26:59,539 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 21:26:59,539 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 21:26:59,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 21:26:59,540 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 21:26:59,540 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 21:26:59,903 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-20 21:27:00,192 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 21:27:00,192 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-09-20 21:27:00,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 09:27:00 BoogieIcfgContainer [2019-09-20 21:27:00,194 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 21:27:00,195 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 21:27:00,195 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 21:27:00,195 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 21:27:00,197 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 09:27:00" (1/1) ... [2019-09-20 21:27:00,197 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=InterpretCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 21:27:00,222 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 21:27:00,226 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 21:27:00,235 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 21:27:00,245 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 21:27:00,247 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 21:27:00,382 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-20 21:27:00,418 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-20 21:27:01,002 WARN L191 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 86 [2019-09-20 21:27:01,114 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-09-20 21:27:01,941 WARN L191 SmtUtils]: Spent 763.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 96 [2019-09-20 21:27:02,391 WARN L191 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 124 [2019-09-20 21:27:02,575 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-09-20 21:27:04,224 WARN L191 SmtUtils]: Spent 1.59 s on a formula simplification that was a NOOP. DAG size: 149 [2019-09-20 21:27:05,076 WARN L191 SmtUtils]: Spent 826.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2019-09-20 21:27:11,300 WARN L191 SmtUtils]: Spent 5.88 s on a formula simplification. DAG size of input: 244 DAG size of output: 160 [2019-09-20 21:27:13,832 WARN L191 SmtUtils]: Spent 2.39 s on a formula simplification that was a NOOP. DAG size: 212 [2019-09-20 21:27:14,058 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-20 21:27:14,193 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-20 21:27:14,324 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-09-20 21:27:14,504 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-09-20 21:27:14,953 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 79 [2019-09-20 21:27:15,334 WARN L191 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2019-09-20 21:27:15,681 WARN L191 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2019-09-20 21:27:15,971 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2019-09-20 21:27:16,302 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-09-20 21:27:16,619 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2019-09-20 21:27:16,625 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-20 21:27:16,652 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-20 21:27:17,072 WARN L191 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 88 [2019-09-20 21:27:17,702 WARN L191 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 98 [2019-09-20 21:27:18,100 WARN L191 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 126 [2019-09-20 21:27:18,258 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-20 21:27:19,602 WARN L191 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 151 [2019-09-20 21:27:20,500 WARN L191 SmtUtils]: Spent 878.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2019-09-20 21:27:33,993 WARN L191 SmtUtils]: Spent 13.42 s on a formula simplification. DAG size of input: 246 DAG size of output: 162 [2019-09-20 21:27:36,373 WARN L191 SmtUtils]: Spent 2.24 s on a formula simplification that was a NOOP. DAG size: 214 [2019-09-20 21:27:36,574 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-20 21:27:36,719 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-20 21:27:36,878 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-09-20 21:27:37,104 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-09-20 21:27:37,320 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-09-20 21:27:37,583 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 79 [2019-09-20 21:27:38,065 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 58 [2019-09-20 21:27:38,396 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 54 [2019-09-20 21:27:39,624 WARN L191 SmtUtils]: Spent 913.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 94 [2019-09-20 21:27:39,708 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 21:27:39,708 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 21:27:39,710 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 137#(and (= 0 main_~p~0.base) (or (= 0 main_~hasTwo~0) (= 0 main_~hasSix~0)) (= main_~p~0.offset 0)) [2019-09-20 21:27:39,725 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 21:27:39,726 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 21:27:39,727 INFO L168 Benchmark]: Toolchain (without parser) took 40952.17 ms. Allocated memory was 134.7 MB in the beginning and 331.9 MB in the end (delta: 197.1 MB). Free memory was 88.5 MB in the beginning and 296.4 MB in the end (delta: -207.9 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 21:27:39,729 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 134.7 MB. Free memory was 107.9 MB in the beginning and 107.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 21:27:39,734 INFO L168 Benchmark]: CACSL2BoogieTranslator took 609.79 ms. Allocated memory was 134.7 MB in the beginning and 201.9 MB in the end (delta: 67.1 MB). Free memory was 88.3 MB in the beginning and 166.5 MB in the end (delta: -78.3 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. [2019-09-20 21:27:39,736 INFO L168 Benchmark]: Boogie Preprocessor took 71.76 ms. Allocated memory is still 201.9 MB. Free memory was 166.5 MB in the beginning and 163.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2019-09-20 21:27:39,737 INFO L168 Benchmark]: RCFGBuilder took 735.85 ms. Allocated memory is still 201.9 MB. Free memory was 163.9 MB in the beginning and 116.3 MB in the end (delta: 47.6 MB). Peak memory consumption was 47.6 MB. Max. memory is 7.1 GB. [2019-09-20 21:27:39,737 INFO L168 Benchmark]: Sifa took 39531.02 ms. Allocated memory was 201.9 MB in the beginning and 331.9 MB in the end (delta: 130.0 MB). Free memory was 116.3 MB in the beginning and 296.4 MB in the end (delta: -180.1 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 21:27:39,740 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 134.7 MB. Free memory was 107.9 MB in the beginning and 107.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 609.79 ms. Allocated memory was 134.7 MB in the beginning and 201.9 MB in the end (delta: 67.1 MB). Free memory was 88.3 MB in the beginning and 166.5 MB in the end (delta: -78.3 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 71.76 ms. Allocated memory is still 201.9 MB. Free memory was 166.5 MB in the beginning and 163.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 735.85 ms. Allocated memory is still 201.9 MB. Free memory was 163.9 MB in the beginning and 116.3 MB in the end (delta: 47.6 MB). Peak memory consumption was 47.6 MB. Max. memory is 7.1 GB. * Sifa took 39531.02 ms. Allocated memory was 201.9 MB in the beginning and 331.9 MB in the end (delta: 130.0 MB). Free memory was 116.3 MB in the beginning and 296.4 MB in the end (delta: -180.1 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]: 39488, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 76, DAG_INTERPRETER_EARLY_EXITS: 2, TOOLS_POST_APPLICATIONS: 65, TOOLS_POST_TIME[ms]: 31339, TOOLS_POST_CALL_APPLICATIONS: 5, TOOLS_POST_CALL_TIME[ms]: 25, TOOLS_POST_RETURN_APPLICATIONS: 4, TOOLS_POST_RETURN_TIME[ms]: 55, TOOLS_QUANTIFIERELIM_APPLICATIONS: 59, TOOLS_QUANTIFIERELIM_TIME[ms]: 31382, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 13487, FLUID_QUERY_TIME[ms]: 7, FLUID_QUERIES: 88, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 18, DOMAIN_JOIN_TIME[ms]: 1981, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 6, DOMAIN_WIDEN_TIME[ms]: 5880, DOMAIN_ISSUBSETEQ_APPLICATIONS: 12, DOMAIN_ISSUBSETEQ_TIME[ms]: 96, DOMAIN_ISBOTTOM_APPLICATIONS: 6, DOMAIN_ISBOTTOM_TIME[ms]: 8, LOOP_SUMMARIZER_APPLICATIONS: 6, LOOP_SUMMARIZER_CACHE_MISSES: 6, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 36380, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 36380, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 12, CALL_SUMMARIZER_APPLICATIONS: 0, CALL_SUMMARIZER_CACHE_MISSES: 4, CALL_SUMMARIZER_OVERALL_TIME[ms]: 0, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 34, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 3, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 30, DAG_COMPRESSION_PROCESSED_NODES: 310, DAG_COMPRESSION_RETAINED_NODES: 106 - UnprovableResult [Line: 565]: 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 137#(and (= 0 main_~p~0.base) (or (= 0 main_~hasTwo~0) (= 0 main_~hasSix~0)) (= main_~p~0.offset 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...