java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid NeverFluid --sifa.intern.fluid NeverFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/list-simple/sll2n_prepend_unequal.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 23:21:52,677 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 23:21:52,679 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 23:21:52,690 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 23:21:52,691 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 23:21:52,692 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 23:21:52,693 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 23:21:52,695 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 23:21:52,697 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 23:21:52,698 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 23:21:52,699 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 23:21:52,701 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 23:21:52,701 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 23:21:52,702 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 23:21:52,703 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 23:21:52,704 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 23:21:52,705 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 23:21:52,706 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 23:21:52,708 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 23:21:52,710 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 23:21:52,712 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 23:21:52,713 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 23:21:52,714 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 23:21:52,715 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 23:21:52,722 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 23:21:52,723 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 23:21:52,723 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 23:21:52,724 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 23:21:52,726 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 23:21:52,728 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 23:21:52,728 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 23:21:52,728 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 23:21:52,731 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 23:21:52,732 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 23:21:52,733 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 23:21:52,733 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 23:21:52,735 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 23:21:52,735 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 23:21:52,735 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 23:21:52,738 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 23:21:52,742 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 23:21:52,743 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 23:21:52,768 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 23:21:52,768 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 23:21:52,771 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 23:21:52,771 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 23:21:52,771 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 23:21:52,772 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 23:21:52,772 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 23:21:52,772 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 23:21:52,772 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 23:21:52,772 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 23:21:52,774 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 23:21:52,774 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 23:21:52,774 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 23:21:52,775 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 23:21:52,775 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 23:21:52,775 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 23:21:52,775 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 23:21:52,775 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 23:21:52,776 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 23:21:52,776 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 23:21:52,776 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 23:21:52,776 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 23:21:52,777 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 23:21:52,777 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 23:21:52,777 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 23:21:52,777 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 23:21:52,778 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 23:21:52,778 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 23:21:52,778 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 23:21:52,818 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 23:21:52,831 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 23:21:52,834 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 23:21:52,836 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 23:21:52,836 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 23:21:52,837 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/sll2n_prepend_unequal.i [2019-09-20 23:21:52,899 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93e9bba4f/99d19e0d491f4e44874153952bf00e16/FLAGcf24b56c5 [2019-09-20 23:21:53,437 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 23:21:53,440 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/sll2n_prepend_unequal.i [2019-09-20 23:21:53,464 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93e9bba4f/99d19e0d491f4e44874153952bf00e16/FLAGcf24b56c5 [2019-09-20 23:21:53,734 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93e9bba4f/99d19e0d491f4e44874153952bf00e16 [2019-09-20 23:21:53,746 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 23:21:53,748 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 23:21:53,750 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 23:21:53,750 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 23:21:53,754 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 23:21:53,755 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 11:21:53" (1/1) ... [2019-09-20 23:21:53,759 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6be51665 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:21:53, skipping insertion in model container [2019-09-20 23:21:53,759 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 11:21:53" (1/1) ... [2019-09-20 23:21:53,767 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 23:21:53,822 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 23:21:54,285 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 23:21:54,297 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 23:21:54,352 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 23:21:54,412 INFO L192 MainTranslator]: Completed translation [2019-09-20 23:21:54,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:21:54 WrapperNode [2019-09-20 23:21:54,413 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 23:21:54,414 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 23:21:54,414 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 23:21:54,414 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 23:21:54,428 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:21:54" (1/1) ... [2019-09-20 23:21:54,429 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:21:54" (1/1) ... [2019-09-20 23:21:54,466 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:21:54" (1/1) ... [2019-09-20 23:21:54,467 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:21:54" (1/1) ... [2019-09-20 23:21:54,486 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:21:54" (1/1) ... [2019-09-20 23:21:54,492 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:21:54" (1/1) ... [2019-09-20 23:21:54,501 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:21:54" (1/1) ... [2019-09-20 23:21:54,508 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 23:21:54,509 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 23:21:54,509 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 23:21:54,509 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 23:21:54,510 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:21:54" (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 23:21:54,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 23:21:54,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 23:21:54,580 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-20 23:21:54,581 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-20 23:21:54,581 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-20 23:21:54,581 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-09-20 23:21:54,581 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_create [2019-09-20 23:21:54,581 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_destroy [2019-09-20 23:21:54,582 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_prepend [2019-09-20 23:21:54,582 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 23:21:54,582 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 23:21:54,582 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-20 23:21:54,582 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-20 23:21:54,583 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-20 23:21:54,583 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-20 23:21:54,583 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-20 23:21:54,583 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-20 23:21:54,583 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-20 23:21:54,583 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-20 23:21:54,584 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-20 23:21:54,584 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-20 23:21:54,584 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-20 23:21:54,584 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-20 23:21:54,584 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-20 23:21:54,584 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-20 23:21:54,585 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-20 23:21:54,585 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-20 23:21:54,585 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-20 23:21:54,585 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-20 23:21:54,585 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-20 23:21:54,585 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-20 23:21:54,586 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-20 23:21:54,586 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-20 23:21:54,586 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-20 23:21:54,586 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-20 23:21:54,586 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-20 23:21:54,586 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-20 23:21:54,587 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-20 23:21:54,587 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-20 23:21:54,587 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-20 23:21:54,587 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-20 23:21:54,587 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-20 23:21:54,587 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-20 23:21:54,588 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-20 23:21:54,588 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-20 23:21:54,588 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-20 23:21:54,588 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-20 23:21:54,588 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-20 23:21:54,588 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-20 23:21:54,588 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-20 23:21:54,589 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-20 23:21:54,589 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-20 23:21:54,589 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-20 23:21:54,589 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-20 23:21:54,589 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-20 23:21:54,589 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-20 23:21:54,590 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-20 23:21:54,590 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-20 23:21:54,590 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-20 23:21:54,590 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-20 23:21:54,590 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-20 23:21:54,591 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-20 23:21:54,591 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-20 23:21:54,591 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 23:21:54,591 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-20 23:21:54,591 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-20 23:21:54,591 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 23:21:54,592 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-20 23:21:54,592 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-20 23:21:54,592 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-20 23:21:54,592 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-20 23:21:54,592 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-20 23:21:54,592 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-20 23:21:54,593 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-20 23:21:54,593 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-20 23:21:54,593 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-20 23:21:54,593 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-20 23:21:54,593 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-20 23:21:54,593 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-20 23:21:54,594 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-20 23:21:54,594 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-20 23:21:54,594 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-20 23:21:54,594 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-20 23:21:54,594 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-20 23:21:54,594 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-20 23:21:54,595 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-20 23:21:54,595 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-20 23:21:54,595 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-20 23:21:54,595 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-20 23:21:54,595 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-20 23:21:54,595 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-20 23:21:54,595 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-20 23:21:54,596 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-20 23:21:54,596 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-20 23:21:54,596 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-20 23:21:54,596 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-20 23:21:54,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-20 23:21:54,596 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-20 23:21:54,597 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-20 23:21:54,597 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-20 23:21:54,597 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-20 23:21:54,597 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-20 23:21:54,597 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-20 23:21:54,597 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-20 23:21:54,597 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-20 23:21:54,598 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-20 23:21:54,598 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-20 23:21:54,598 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-20 23:21:54,598 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-20 23:21:54,598 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-20 23:21:54,598 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-20 23:21:54,599 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-20 23:21:54,599 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-20 23:21:54,599 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-20 23:21:54,599 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-20 23:21:54,599 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-20 23:21:54,599 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-20 23:21:54,599 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-09-20 23:21:54,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 23:21:54,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 23:21:54,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 23:21:54,600 INFO L130 BoogieDeclarations]: Found specification of procedure sll_create [2019-09-20 23:21:54,600 INFO L130 BoogieDeclarations]: Found specification of procedure sll_destroy [2019-09-20 23:21:54,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 23:21:54,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 23:21:54,601 INFO L130 BoogieDeclarations]: Found specification of procedure sll_prepend [2019-09-20 23:21:54,601 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 23:21:54,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 23:21:54,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-20 23:21:54,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 23:21:54,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 23:21:54,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 23:21:54,956 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-20 23:21:55,233 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 23:21:55,233 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-09-20 23:21:55,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 11:21:55 BoogieIcfgContainer [2019-09-20 23:21:55,235 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 23:21:55,235 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 23:21:55,236 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 23:21:55,236 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 23:21:55,238 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 11:21:55" (1/1) ... [2019-09-20 23:21:55,238 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=NeverFluid ♦ 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=NeverFluid [2019-09-20 23:21:55,264 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 23:21:55,264 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 23:21:55,273 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 23:21:55,282 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 23:21:55,284 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 23:21:55,429 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-20 23:21:55,666 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2019-09-20 23:21:55,762 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-20 23:21:56,810 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 69 [2019-09-20 23:21:56,933 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-09-20 23:21:57,049 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2019-09-20 23:21:57,442 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2019-09-20 23:21:57,635 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-09-20 23:21:57,781 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-20 23:21:58,021 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2019-09-20 23:21:58,502 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2019-09-20 23:21:59,148 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 59 [2019-09-20 23:21:59,526 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 77 [2019-09-20 23:21:59,964 WARN L191 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 82 [2019-09-20 23:22:00,131 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-09-20 23:22:00,577 WARN L191 SmtUtils]: Spent 436.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2019-09-20 23:22:01,026 WARN L191 SmtUtils]: Spent 448.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2019-09-20 23:22:01,883 WARN L191 SmtUtils]: Spent 853.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 103 [2019-09-20 23:22:02,104 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 23:22:02,105 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 23:22:02,107 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 92#(or (and (or (not (= main_~ptr~0.offset 0)) (not (= 0 main_~ptr~0.base))) (= main_~temp~2.base (select (select |#memory_$Pointer$.base| main_~ptr~0.base) (+ main_~ptr~0.offset 4))) (not (= main_~data~0 (select (select |#memory_int| main_~ptr~0.base) main_~ptr~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) (+ main_~ptr~0.offset 4)) main_~temp~2.offset)) (and (= 0 main_~ptr~0.base) (not (= main_~count~0 (+ main_~len~0 1))) (= main_~ptr~0.offset 0))) [2019-09-20 23:22:02,119 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 23:22:02,119 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 23:22:02,121 INFO L168 Benchmark]: Toolchain (without parser) took 8373.16 ms. Allocated memory was 135.8 MB in the beginning and 317.2 MB in the end (delta: 181.4 MB). Free memory was 89.7 MB in the beginning and 166.2 MB in the end (delta: -76.5 MB). Peak memory consumption was 104.9 MB. Max. memory is 7.1 GB. [2019-09-20 23:22:02,122 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 135.8 MB. Free memory was 109.0 MB in the beginning and 108.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 23:22:02,123 INFO L168 Benchmark]: CACSL2BoogieTranslator took 663.94 ms. Allocated memory was 135.8 MB in the beginning and 202.4 MB in the end (delta: 66.6 MB). Free memory was 89.5 MB in the beginning and 164.5 MB in the end (delta: -75.0 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. [2019-09-20 23:22:02,124 INFO L168 Benchmark]: Boogie Preprocessor took 94.49 ms. Allocated memory is still 202.4 MB. Free memory was 164.5 MB in the beginning and 161.0 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. [2019-09-20 23:22:02,124 INFO L168 Benchmark]: RCFGBuilder took 726.28 ms. Allocated memory is still 202.4 MB. Free memory was 161.0 MB in the beginning and 108.7 MB in the end (delta: 52.4 MB). Peak memory consumption was 52.4 MB. Max. memory is 7.1 GB. [2019-09-20 23:22:02,125 INFO L168 Benchmark]: Sifa took 6884.12 ms. Allocated memory was 202.4 MB in the beginning and 317.2 MB in the end (delta: 114.8 MB). Free memory was 108.7 MB in the beginning and 166.2 MB in the end (delta: -57.6 MB). Peak memory consumption was 57.2 MB. Max. memory is 7.1 GB. [2019-09-20 23:22:02,128 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 135.8 MB. Free memory was 109.0 MB in the beginning and 108.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 663.94 ms. Allocated memory was 135.8 MB in the beginning and 202.4 MB in the end (delta: 66.6 MB). Free memory was 89.5 MB in the beginning and 164.5 MB in the end (delta: -75.0 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 94.49 ms. Allocated memory is still 202.4 MB. Free memory was 164.5 MB in the beginning and 161.0 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 726.28 ms. Allocated memory is still 202.4 MB. Free memory was 161.0 MB in the beginning and 108.7 MB in the end (delta: 52.4 MB). Peak memory consumption was 52.4 MB. Max. memory is 7.1 GB. * Sifa took 6884.12 ms. Allocated memory was 202.4 MB in the beginning and 317.2 MB in the end (delta: 114.8 MB). Free memory was 108.7 MB in the beginning and 166.2 MB in the end (delta: -57.6 MB). Peak memory consumption was 57.2 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]: 6843, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 42, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 31, TOOLS_POST_TIME[ms]: 2126, TOOLS_POST_CALL_APPLICATIONS: 9, TOOLS_POST_CALL_TIME[ms]: 322, TOOLS_POST_RETURN_APPLICATIONS: 8, TOOLS_POST_RETURN_TIME[ms]: 727, TOOLS_QUANTIFIERELIM_APPLICATIONS: 48, TOOLS_QUANTIFIERELIM_TIME[ms]: 3142, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 878, FLUID_QUERY_TIME[ms]: 0, FLUID_QUERIES: 48, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 14, DOMAIN_JOIN_TIME[ms]: 1847, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 1712, DOMAIN_ISSUBSETEQ_APPLICATIONS: 6, DOMAIN_ISSUBSETEQ_TIME[ms]: 10, DOMAIN_ISBOTTOM_APPLICATIONS: 3, DOMAIN_ISBOTTOM_TIME[ms]: 13, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 5596, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 5595, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 6, CALL_SUMMARIZER_APPLICATIONS: 8, CALL_SUMMARIZER_CACHE_MISSES: 5, CALL_SUMMARIZER_OVERALL_TIME[ms]: 3698, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 3698, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 19, DAG_COMPRESSION_PROCESSED_NODES: 119, DAG_COMPRESSION_RETAINED_NODES: 51 - UnprovableResult [Line: 618]: 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 92#(or (and (or (not (= main_~ptr~0.offset 0)) (not (= 0 main_~ptr~0.base))) (= main_~temp~2.base (select (select |#memory_$Pointer$.base| main_~ptr~0.base) (+ main_~ptr~0.offset 4))) (not (= main_~data~0 (select (select |#memory_int| main_~ptr~0.base) main_~ptr~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) (+ main_~ptr~0.offset 4)) main_~temp~2.offset)) (and (= 0 main_~ptr~0.base) (not (= main_~count~0 (+ main_~len~0 1))) (= main_~ptr~0.offset 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...