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 SingleStatement --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/list-simple/sll2n_prepend_equal.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 19:28:59,724 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 19:28:59,726 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 19:28:59,737 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 19:28:59,737 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 19:28:59,738 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 19:28:59,740 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 19:28:59,742 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 19:28:59,743 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 19:28:59,744 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 19:28:59,745 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 19:28:59,746 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 19:28:59,746 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 19:28:59,747 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 19:28:59,748 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 19:28:59,749 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 19:28:59,750 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 19:28:59,751 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 19:28:59,753 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 19:28:59,755 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 19:28:59,757 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 19:28:59,758 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 19:28:59,759 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 19:28:59,760 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 19:28:59,762 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 19:28:59,762 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 19:28:59,762 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 19:28:59,763 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 19:28:59,764 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 19:28:59,765 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 19:28:59,765 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 19:28:59,766 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 19:28:59,767 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 19:28:59,767 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 19:28:59,768 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 19:28:59,769 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 19:28:59,769 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 19:28:59,770 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 19:28:59,770 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 19:28:59,771 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 19:28:59,771 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 19:28:59,772 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 19:28:59,787 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 19:28:59,787 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 19:28:59,788 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 19:28:59,788 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 19:28:59,788 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 19:28:59,789 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 19:28:59,789 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 19:28:59,789 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 19:28:59,789 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 19:28:59,790 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 19:28:59,790 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 19:28:59,790 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 19:28:59,790 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 19:28:59,790 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 19:28:59,791 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 19:28:59,791 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 19:28:59,791 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 19:28:59,791 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 19:28:59,792 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 19:28:59,792 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 19:28:59,792 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 19:28:59,792 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 19:28:59,792 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 19:28:59,793 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 19:28:59,793 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 19:28:59,793 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 19:28:59,793 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 19:28:59,793 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 19:28:59,794 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 -> SingleStatement 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 19:28:59,824 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 19:28:59,835 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 19:28:59,839 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 19:28:59,840 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 19:28:59,841 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 19:28:59,841 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/sll2n_prepend_equal.i [2019-09-20 19:28:59,901 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd3eb5c75/31ce86e0066e454492b56285f3d9e991/FLAG9feda3486 [2019-09-20 19:29:00,449 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 19:29:00,449 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/sll2n_prepend_equal.i [2019-09-20 19:29:00,472 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd3eb5c75/31ce86e0066e454492b56285f3d9e991/FLAG9feda3486 [2019-09-20 19:29:00,720 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd3eb5c75/31ce86e0066e454492b56285f3d9e991 [2019-09-20 19:29:00,728 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 19:29:00,729 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 19:29:00,730 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 19:29:00,730 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 19:29:00,733 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 19:29:00,734 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 07:29:00" (1/1) ... [2019-09-20 19:29:00,738 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d4e4cb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:29:00, skipping insertion in model container [2019-09-20 19:29:00,738 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 07:29:00" (1/1) ... [2019-09-20 19:29:00,746 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 19:29:00,799 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 19:29:01,231 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 19:29:01,244 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 19:29:01,319 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 19:29:01,380 INFO L192 MainTranslator]: Completed translation [2019-09-20 19:29:01,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:29:01 WrapperNode [2019-09-20 19:29:01,381 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 19:29:01,382 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 19:29:01,382 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 19:29:01,382 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 19:29:01,392 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:29:01" (1/1) ... [2019-09-20 19:29:01,392 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:29:01" (1/1) ... [2019-09-20 19:29:01,408 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:29:01" (1/1) ... [2019-09-20 19:29:01,409 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:29:01" (1/1) ... [2019-09-20 19:29:01,424 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:29:01" (1/1) ... [2019-09-20 19:29:01,429 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:29:01" (1/1) ... [2019-09-20 19:29:01,432 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:29:01" (1/1) ... [2019-09-20 19:29:01,438 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 19:29:01,439 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 19:29:01,439 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 19:29:01,439 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 19:29:01,440 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:29:01" (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 19:29:01,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 19:29:01,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 19:29:01,496 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-20 19:29:01,496 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-20 19:29:01,497 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-20 19:29:01,497 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-09-20 19:29:01,498 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_create [2019-09-20 19:29:01,498 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_destroy [2019-09-20 19:29:01,498 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_prepend [2019-09-20 19:29:01,499 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 19:29:01,499 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 19:29:01,500 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-20 19:29:01,500 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-20 19:29:01,500 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-20 19:29:01,500 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-20 19:29:01,500 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-20 19:29:01,503 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-20 19:29:01,503 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-20 19:29:01,503 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-20 19:29:01,504 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-20 19:29:01,504 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-20 19:29:01,504 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-20 19:29:01,505 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-20 19:29:01,505 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-20 19:29:01,505 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-20 19:29:01,506 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-20 19:29:01,506 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-20 19:29:01,506 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-20 19:29:01,506 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-20 19:29:01,506 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-20 19:29:01,506 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-20 19:29:01,507 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-20 19:29:01,507 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-20 19:29:01,507 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-20 19:29:01,507 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-20 19:29:01,507 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-20 19:29:01,507 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-20 19:29:01,507 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-20 19:29:01,507 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-20 19:29:01,508 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-20 19:29:01,508 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-20 19:29:01,508 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-20 19:29:01,508 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-20 19:29:01,508 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-20 19:29:01,508 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-20 19:29:01,509 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-20 19:29:01,509 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-20 19:29:01,509 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-20 19:29:01,509 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-20 19:29:01,509 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-20 19:29:01,509 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-20 19:29:01,510 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-20 19:29:01,510 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-20 19:29:01,510 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-20 19:29:01,510 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-20 19:29:01,510 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-20 19:29:01,510 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-20 19:29:01,511 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-20 19:29:01,511 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-20 19:29:01,511 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-20 19:29:01,512 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-20 19:29:01,512 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-20 19:29:01,512 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-20 19:29:01,512 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 19:29:01,512 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-20 19:29:01,512 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-20 19:29:01,513 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 19:29:01,513 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-20 19:29:01,514 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-20 19:29:01,514 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-20 19:29:01,514 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-20 19:29:01,514 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-20 19:29:01,514 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-20 19:29:01,515 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-20 19:29:01,515 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-20 19:29:01,515 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-20 19:29:01,516 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-20 19:29:01,516 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-20 19:29:01,516 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-20 19:29:01,517 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-20 19:29:01,517 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-20 19:29:01,518 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-20 19:29:01,518 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-20 19:29:01,518 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-20 19:29:01,518 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-20 19:29:01,518 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-20 19:29:01,518 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-20 19:29:01,519 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-20 19:29:01,519 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-20 19:29:01,520 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-20 19:29:01,520 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-20 19:29:01,520 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-20 19:29:01,520 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-20 19:29:01,520 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-20 19:29:01,520 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-20 19:29:01,520 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-20 19:29:01,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-20 19:29:01,521 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-20 19:29:01,521 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-20 19:29:01,521 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-20 19:29:01,521 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-20 19:29:01,521 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-20 19:29:01,521 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-20 19:29:01,521 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-20 19:29:01,522 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-20 19:29:01,522 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-20 19:29:01,522 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-20 19:29:01,522 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-20 19:29:01,522 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-20 19:29:01,522 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-20 19:29:01,522 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-20 19:29:01,523 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-20 19:29:01,523 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-20 19:29:01,523 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-20 19:29:01,523 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-20 19:29:01,523 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-20 19:29:01,524 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-20 19:29:01,524 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-09-20 19:29:01,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 19:29:01,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 19:29:01,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 19:29:01,525 INFO L130 BoogieDeclarations]: Found specification of procedure sll_create [2019-09-20 19:29:01,525 INFO L130 BoogieDeclarations]: Found specification of procedure sll_destroy [2019-09-20 19:29:01,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 19:29:01,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 19:29:01,525 INFO L130 BoogieDeclarations]: Found specification of procedure sll_prepend [2019-09-20 19:29:01,526 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 19:29:01,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 19:29:01,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-20 19:29:01,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 19:29:01,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 19:29:01,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 19:29:01,938 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-20 19:29:02,153 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 19:29:02,153 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-09-20 19:29:02,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 07:29:02 BoogieIcfgContainer [2019-09-20 19:29:02,155 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 19:29:02,155 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 19:29:02,156 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 19:29:02,156 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 19:29:02,157 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 07:29:02" (1/1) ... [2019-09-20 19:29:02,158 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 19:29:02,179 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 19:29:02,179 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 19:29:02,187 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 19:29:02,195 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 19:29:02,196 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 19:29:02,339 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-20 19:29:02,633 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-20 19:29:03,401 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 64 [2019-09-20 19:29:04,071 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2019-09-20 19:29:04,621 WARN L191 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 90 [2019-09-20 19:29:04,793 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2019-09-20 19:29:04,944 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-20 19:29:05,106 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-09-20 19:29:05,261 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-20 19:29:05,413 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-20 19:29:05,557 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-09-20 19:29:05,687 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2019-09-20 19:29:05,812 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2019-09-20 19:29:05,947 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2019-09-20 19:29:06,381 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2019-09-20 19:29:07,008 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2019-09-20 19:29:07,169 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2019-09-20 19:29:07,420 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-09-20 19:29:07,813 WARN L191 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 57 [2019-09-20 19:29:08,080 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 19:29:08,091 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 19:29:08,237 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 56 [2019-09-20 19:29:08,513 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-09-20 19:29:08,921 WARN L191 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 82 [2019-09-20 19:29:09,092 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-09-20 19:29:09,493 WARN L191 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 96 [2019-09-20 19:29:09,687 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2019-09-20 19:29:10,230 WARN L191 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 102 [2019-09-20 19:29:10,360 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 19:29:10,360 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 19:29:10,362 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 194#(or (and (= 0 main_~ptr~0.base) (not (= main_~count~0 (+ main_~len~0 1))) (= main_~ptr~0.offset 0) (exists ((v_main_~ptr~0.offset_10 Int) (v_main_~ptr~0.base_10 Int)) (and (= (select (select |#memory_int| v_main_~ptr~0.base_10) v_main_~ptr~0.offset_10) main_~data~0) (= main_~temp~2.base main_~ptr~0.base) (= main_~ptr~0.offset main_~temp~2.offset)))) (not (= main_~data~0 (select (select |#memory_int| main_~ptr~0.base) main_~ptr~0.offset)))) [2019-09-20 19:29:10,375 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 19:29:10,375 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 19:29:10,376 INFO L168 Benchmark]: Toolchain (without parser) took 9647.58 ms. Allocated memory was 134.7 MB in the beginning and 326.1 MB in the end (delta: 191.4 MB). Free memory was 87.6 MB in the beginning and 130.6 MB in the end (delta: -43.0 MB). Peak memory consumption was 148.4 MB. Max. memory is 7.1 GB. [2019-09-20 19:29:10,377 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 134.7 MB. Free memory is still 107.4 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 19:29:10,377 INFO L168 Benchmark]: CACSL2BoogieTranslator took 651.30 ms. Allocated memory was 134.7 MB in the beginning and 202.4 MB in the end (delta: 67.6 MB). Free memory was 87.6 MB in the beginning and 164.2 MB in the end (delta: -76.6 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB. [2019-09-20 19:29:10,378 INFO L168 Benchmark]: Boogie Preprocessor took 56.97 ms. Allocated memory is still 202.4 MB. Free memory was 164.2 MB in the beginning and 160.8 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. [2019-09-20 19:29:10,378 INFO L168 Benchmark]: RCFGBuilder took 716.03 ms. Allocated memory is still 202.4 MB. Free memory was 160.8 MB in the beginning and 110.0 MB in the end (delta: 50.8 MB). Peak memory consumption was 50.8 MB. Max. memory is 7.1 GB. [2019-09-20 19:29:10,379 INFO L168 Benchmark]: Sifa took 8219.62 ms. Allocated memory was 202.4 MB in the beginning and 326.1 MB in the end (delta: 123.7 MB). Free memory was 110.0 MB in the beginning and 130.6 MB in the end (delta: -20.6 MB). Peak memory consumption was 103.1 MB. Max. memory is 7.1 GB. [2019-09-20 19:29:10,380 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 is still 107.4 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 651.30 ms. Allocated memory was 134.7 MB in the beginning and 202.4 MB in the end (delta: 67.6 MB). Free memory was 87.6 MB in the beginning and 164.2 MB in the end (delta: -76.6 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 56.97 ms. Allocated memory is still 202.4 MB. Free memory was 164.2 MB in the beginning and 160.8 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 716.03 ms. Allocated memory is still 202.4 MB. Free memory was 160.8 MB in the beginning and 110.0 MB in the end (delta: 50.8 MB). Peak memory consumption was 50.8 MB. Max. memory is 7.1 GB. * Sifa took 8219.62 ms. Allocated memory was 202.4 MB in the beginning and 326.1 MB in the end (delta: 123.7 MB). Free memory was 110.0 MB in the beginning and 130.6 MB in the end (delta: -20.6 MB). Peak memory consumption was 103.1 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]: 8184, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 133, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 121, TOOLS_POST_TIME[ms]: 2258, TOOLS_POST_CALL_APPLICATIONS: 10, TOOLS_POST_CALL_TIME[ms]: 294, TOOLS_POST_RETURN_APPLICATIONS: 9, TOOLS_POST_RETURN_TIME[ms]: 2443, TOOLS_QUANTIFIERELIM_APPLICATIONS: 140, TOOLS_QUANTIFIERELIM_TIME[ms]: 4941, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 1645, FLUID_QUERY_TIME[ms]: 7, FLUID_QUERIES: 139, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 19, DOMAIN_JOIN_TIME[ms]: 1595, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 1471, DOMAIN_ISSUBSETEQ_APPLICATIONS: 6, DOMAIN_ISSUBSETEQ_TIME[ms]: 13, DOMAIN_ISBOTTOM_APPLICATIONS: 6, DOMAIN_ISBOTTOM_TIME[ms]: 12, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 5420, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 5419, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 6, CALL_SUMMARIZER_APPLICATIONS: 9, CALL_SUMMARIZER_CACHE_MISSES: 5, CALL_SUMMARIZER_OVERALL_TIME[ms]: 5557, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 5557, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 21, DAG_COMPRESSION_PROCESSED_NODES: 283, DAG_COMPRESSION_RETAINED_NODES: 120 - UnprovableResult [Line: 613]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 194#(or (and (= 0 main_~ptr~0.base) (not (= main_~count~0 (+ main_~len~0 1))) (= main_~ptr~0.offset 0) (exists ((v_main_~ptr~0.offset_10 Int) (v_main_~ptr~0.base_10 Int)) (and (= (select (select |#memory_int| v_main_~ptr~0.base_10) v_main_~ptr~0.offset_10) main_~data~0) (= main_~temp~2.base main_~ptr~0.base) (= main_~ptr~0.offset main_~temp~2.offset)))) (not (= main_~data~0 (select (select |#memory_int| main_~ptr~0.base) main_~ptr~0.offset)))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...