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_update_all_reverse.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 23:21:54,710 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 23:21:54,712 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 23:21:54,724 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 23:21:54,724 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 23:21:54,725 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 23:21:54,727 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 23:21:54,729 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 23:21:54,730 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 23:21:54,731 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 23:21:54,732 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 23:21:54,733 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 23:21:54,734 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 23:21:54,735 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 23:21:54,736 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 23:21:54,737 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 23:21:54,737 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 23:21:54,738 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 23:21:54,740 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 23:21:54,742 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 23:21:54,744 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 23:21:54,745 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 23:21:54,746 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 23:21:54,747 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 23:21:54,749 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 23:21:54,750 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 23:21:54,750 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 23:21:54,751 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 23:21:54,751 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 23:21:54,752 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 23:21:54,753 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 23:21:54,754 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 23:21:54,754 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 23:21:54,755 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 23:21:54,756 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 23:21:54,756 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 23:21:54,757 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 23:21:54,757 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 23:21:54,758 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 23:21:54,758 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 23:21:54,759 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 23:21:54,760 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 23:21:54,775 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 23:21:54,775 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 23:21:54,776 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 23:21:54,777 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 23:21:54,777 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 23:21:54,777 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 23:21:54,777 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 23:21:54,777 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 23:21:54,778 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 23:21:54,778 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 23:21:54,778 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 23:21:54,778 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 23:21:54,778 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 23:21:54,779 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 23:21:54,779 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 23:21:54,779 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 23:21:54,779 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 23:21:54,780 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 23:21:54,780 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 23:21:54,780 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 23:21:54,780 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 23:21:54,780 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 23:21:54,781 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 23:21:54,781 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 23:21:54,781 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 23:21:54,781 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 23:21:54,781 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 23:21:54,781 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 23:21:54,782 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 23:21:54,814 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 23:21:54,827 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 23:21:54,831 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 23:21:54,832 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 23:21:54,832 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 23:21:54,833 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/sll2n_update_all_reverse.i [2019-09-20 23:21:54,910 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08f073ab1/7b75b01d93894000b1fb26238fecadb2/FLAG408a5764e [2019-09-20 23:21:55,456 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 23:21:55,459 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/sll2n_update_all_reverse.i [2019-09-20 23:21:55,479 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08f073ab1/7b75b01d93894000b1fb26238fecadb2/FLAG408a5764e [2019-09-20 23:21:55,770 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08f073ab1/7b75b01d93894000b1fb26238fecadb2 [2019-09-20 23:21:55,783 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 23:21:55,784 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 23:21:55,785 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 23:21:55,786 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 23:21:55,789 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 23:21:55,790 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 11:21:55" (1/1) ... [2019-09-20 23:21:55,793 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fb55534 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:21:55, skipping insertion in model container [2019-09-20 23:21:55,794 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 11:21:55" (1/1) ... [2019-09-20 23:21:55,801 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 23:21:55,857 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 23:21:56,300 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 23:21:56,310 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 23:21:56,364 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 23:21:56,429 INFO L192 MainTranslator]: Completed translation [2019-09-20 23:21:56,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:21:56 WrapperNode [2019-09-20 23:21:56,429 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 23:21:56,430 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 23:21:56,430 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 23:21:56,430 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 23:21:56,443 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:21:56" (1/1) ... [2019-09-20 23:21:56,443 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:21:56" (1/1) ... [2019-09-20 23:21:56,463 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:21:56" (1/1) ... [2019-09-20 23:21:56,464 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:21:56" (1/1) ... [2019-09-20 23:21:56,481 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:21:56" (1/1) ... [2019-09-20 23:21:56,487 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:21:56" (1/1) ... [2019-09-20 23:21:56,491 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:21:56" (1/1) ... [2019-09-20 23:21:56,497 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 23:21:56,498 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 23:21:56,498 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 23:21:56,499 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 23:21:56,500 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:21:56" (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 23:21:56,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 23:21:56,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 23:21:56,557 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-20 23:21:56,557 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-20 23:21:56,557 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-20 23:21:56,558 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-09-20 23:21:56,558 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_create [2019-09-20 23:21:56,558 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_destroy [2019-09-20 23:21:56,558 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_get_data_at [2019-09-20 23:21:56,558 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_update_at [2019-09-20 23:21:56,558 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 23:21:56,559 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 23:21:56,559 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-20 23:21:56,559 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-20 23:21:56,559 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-20 23:21:56,559 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-20 23:21:56,560 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-20 23:21:56,560 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-20 23:21:56,560 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-20 23:21:56,560 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-20 23:21:56,560 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-20 23:21:56,560 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-20 23:21:56,561 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-20 23:21:56,561 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-20 23:21:56,561 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-20 23:21:56,561 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-20 23:21:56,561 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-20 23:21:56,561 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-20 23:21:56,562 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-20 23:21:56,562 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-20 23:21:56,562 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-20 23:21:56,562 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-20 23:21:56,562 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-20 23:21:56,562 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-20 23:21:56,563 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-20 23:21:56,563 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-20 23:21:56,563 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-20 23:21:56,563 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-20 23:21:56,563 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-20 23:21:56,563 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-20 23:21:56,564 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-20 23:21:56,564 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-20 23:21:56,564 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-20 23:21:56,564 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-20 23:21:56,564 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-20 23:21:56,564 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-20 23:21:56,565 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-20 23:21:56,565 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-20 23:21:56,565 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-20 23:21:56,565 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-20 23:21:56,565 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-20 23:21:56,565 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-20 23:21:56,566 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-20 23:21:56,566 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-20 23:21:56,566 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-20 23:21:56,566 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-20 23:21:56,566 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-20 23:21:56,567 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-20 23:21:56,567 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-20 23:21:56,567 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-20 23:21:56,567 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-20 23:21:56,567 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-20 23:21:56,567 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-20 23:21:56,568 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-20 23:21:56,568 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 23:21:56,568 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-20 23:21:56,568 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-20 23:21:56,568 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 23:21:56,568 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-20 23:21:56,569 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-20 23:21:56,569 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-20 23:21:56,569 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-20 23:21:56,569 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-20 23:21:56,569 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-20 23:21:56,570 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-20 23:21:56,570 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-20 23:21:56,570 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-20 23:21:56,570 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-20 23:21:56,570 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-20 23:21:56,570 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-20 23:21:56,571 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-20 23:21:56,571 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-20 23:21:56,571 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-20 23:21:56,571 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-20 23:21:56,571 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-20 23:21:56,571 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-20 23:21:56,572 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-20 23:21:56,572 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-20 23:21:56,572 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-20 23:21:56,572 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-20 23:21:56,572 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-20 23:21:56,572 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-20 23:21:56,572 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-20 23:21:56,573 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-20 23:21:56,573 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-20 23:21:56,573 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-20 23:21:56,573 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-20 23:21:56,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-20 23:21:56,573 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-20 23:21:56,573 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-20 23:21:56,574 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-20 23:21:56,574 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-20 23:21:56,574 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-20 23:21:56,574 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-20 23:21:56,574 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-20 23:21:56,574 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-20 23:21:56,574 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-20 23:21:56,575 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-20 23:21:56,575 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-20 23:21:56,575 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-20 23:21:56,575 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-20 23:21:56,575 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-20 23:21:56,575 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-20 23:21:56,576 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-20 23:21:56,576 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-20 23:21:56,576 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-20 23:21:56,576 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-20 23:21:56,576 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-20 23:21:56,576 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-09-20 23:21:56,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 23:21:56,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 23:21:56,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 23:21:56,577 INFO L130 BoogieDeclarations]: Found specification of procedure sll_create [2019-09-20 23:21:56,577 INFO L130 BoogieDeclarations]: Found specification of procedure sll_destroy [2019-09-20 23:21:56,577 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 23:21:56,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 23:21:56,577 INFO L130 BoogieDeclarations]: Found specification of procedure sll_get_data_at [2019-09-20 23:21:56,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 23:21:56,578 INFO L130 BoogieDeclarations]: Found specification of procedure sll_update_at [2019-09-20 23:21:56,578 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 23:21:56,578 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 23:21:56,578 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 23:21:56,992 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-20 23:21:57,269 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 23:21:57,269 INFO L283 CfgBuilder]: Removed 6 assume(true) statements. [2019-09-20 23:21:57,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 11:21:57 BoogieIcfgContainer [2019-09-20 23:21:57,271 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 23:21:57,271 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 23:21:57,272 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 23:21:57,272 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 23:21:57,273 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 11:21:57" (1/1) ... [2019-09-20 23:21:57,274 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 23:21:57,303 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 23:21:57,304 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 23:21:57,310 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 23:21:57,318 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 23:21:57,320 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 23:21:57,461 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-20 23:21:57,585 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-20 23:21:58,604 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 69 [2019-09-20 23:21:59,249 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2019-09-20 23:21:59,412 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-09-20 23:21:59,552 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-20 23:21:59,685 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-09-20 23:22:00,307 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2019-09-20 23:22:01,059 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 55 [2019-09-20 23:22:01,236 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2019-09-20 23:22:01,437 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2019-09-20 23:22:02,087 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2019-09-20 23:22:02,557 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 63 [2019-09-20 23:22:02,980 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 23:22:02,980 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 23:22:02,982 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 168#(exists ((v_prenex_16 Int) (v_sll_get_data_at_~head.offset_BEFORE_RETURN_2 Int) (v_prenex_15 Int) (v_prenex_17 Int) (v_prenex_12 Int) (v_prenex_14 Int) (v_sll_get_data_at_~head.offset_BEFORE_RETURN_1 Int) (v_prenex_13 Int) (v_prenex_4 Int) (v_prenex_5 Int) (v_sll_get_data_at_~head.base_BEFORE_RETURN_2 Int) (v_sll_get_data_at_~head.base_BEFORE_RETURN_1 Int)) (or (and (<= 0 (+ main_~i~0 1)) (<= 0 main_~i~0) (= (+ main_~i~0 main_~len~0) main_~expected~0) (= 0 |#NULL.base|) (< main_~len~0 3) (<= (select (select |#memory_int| v_prenex_15) v_prenex_14) 2147483647) (= main_~data~0 1) (not (= (select (select |#memory_int| v_prenex_15) v_prenex_14) main_~expected~0)) (= 0 (select |old(#valid)| 0)) (<= (select (select |#memory_int| v_prenex_4) v_prenex_5) 2147483647) (<= 0 (+ (select (select |#memory_int| v_prenex_15) v_prenex_14) 2147483648)) (= (* 2 main_~len~0) (+ main_~new_data~0 2)) (= (+ main_~i~0 main_~len~0 1) (select (select |#memory_int| v_prenex_4) v_prenex_5)) (= |#NULL.offset| 0) (= main_~len~0 2) (<= 0 (+ (select (select |#memory_int| v_prenex_4) v_prenex_5) 2147483648)) (= (+ main_~i~0 1) (+ main_~len~0 (- 1)))) (and (<= 0 main_~i~0) (not (= (select (select |#memory_int| v_sll_get_data_at_~head.base_BEFORE_RETURN_1) v_sll_get_data_at_~head.offset_BEFORE_RETURN_1) main_~expected~0)) (= 0 |#NULL.base|) (< main_~len~0 3) (= (+ main_~i~0 main_~len~0) main_~expected~0) (<= 0 (+ (select (select |#memory_int| v_sll_get_data_at_~head.base_BEFORE_RETURN_1) v_sll_get_data_at_~head.offset_BEFORE_RETURN_1) 2147483648)) (= main_~data~0 1) (= 0 (select |old(#valid)| 0)) (= main_~i~0 (+ main_~len~0 (- 1))) (= (* 2 main_~len~0) (+ main_~new_data~0 2)) (= |#NULL.offset| 0) (<= (select (select |#memory_int| v_sll_get_data_at_~head.base_BEFORE_RETURN_1) v_sll_get_data_at_~head.offset_BEFORE_RETURN_1) 2147483647) (= main_~len~0 2)) (and (<= 0 main_~i~0) (<= 0 (+ (select (select |#memory_int| v_prenex_12) v_prenex_13) 2147483648)) (= (+ main_~i~0 main_~len~0) main_~expected~0) (= 0 |#NULL.base|) (= main_~data~0 1) (= (* 2 main_~len~0) (+ main_~new_data~0 1)) (= 0 (select |old(#valid)| 0)) (<= (select (select |#memory_int| v_prenex_12) v_prenex_13) 2147483647) (= main_~i~0 (+ main_~len~0 (- 1))) (= |#NULL.offset| 0) (not (= (select (select |#memory_int| v_prenex_12) v_prenex_13) main_~expected~0)) (< main_~len~0 2) (= main_~len~0 2)) (and (<= 0 (+ (select (select |#memory_int| v_sll_get_data_at_~head.base_BEFORE_RETURN_2) v_sll_get_data_at_~head.offset_BEFORE_RETURN_2) 2147483648)) (<= 0 (+ main_~i~0 1)) (<= 0 main_~i~0) (= (+ main_~i~0 main_~len~0) main_~expected~0) (= 0 |#NULL.base|) (<= (select (select |#memory_int| v_sll_get_data_at_~head.base_BEFORE_RETURN_2) v_sll_get_data_at_~head.offset_BEFORE_RETURN_2) 2147483647) (<= 0 (+ (select (select |#memory_int| v_prenex_17) v_prenex_16) 2147483648)) (= main_~data~0 1) (= (select (select |#memory_int| v_prenex_17) v_prenex_16) (+ main_~i~0 main_~len~0 1)) (= (* 2 main_~len~0) (+ main_~new_data~0 1)) (= 0 (select |old(#valid)| 0)) (<= (select (select |#memory_int| v_prenex_17) v_prenex_16) 2147483647) (not (= main_~expected~0 (select (select |#memory_int| v_sll_get_data_at_~head.base_BEFORE_RETURN_2) v_sll_get_data_at_~head.offset_BEFORE_RETURN_2))) (= |#NULL.offset| 0) (< main_~len~0 2) (= main_~len~0 2) (= (+ main_~i~0 1) (+ main_~len~0 (- 1)))))) [2019-09-20 23:22:02,999 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 23:22:02,999 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 23:22:03,007 INFO L168 Benchmark]: Toolchain (without parser) took 7216.15 ms. Allocated memory was 135.3 MB in the beginning and 298.8 MB in the end (delta: 163.6 MB). Free memory was 89.6 MB in the beginning and 157.6 MB in the end (delta: -68.0 MB). Peak memory consumption was 95.5 MB. Max. memory is 7.1 GB. [2019-09-20 23:22:03,008 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 135.3 MB. Free memory was 109.6 MB in the beginning and 109.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 23:22:03,010 INFO L168 Benchmark]: CACSL2BoogieTranslator took 644.29 ms. Allocated memory was 135.3 MB in the beginning and 201.9 MB in the end (delta: 66.6 MB). Free memory was 89.4 MB in the beginning and 163.1 MB in the end (delta: -73.8 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. [2019-09-20 23:22:03,011 INFO L168 Benchmark]: Boogie Preprocessor took 67.65 ms. Allocated memory is still 201.9 MB. Free memory was 163.1 MB in the beginning and 160.2 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2019-09-20 23:22:03,012 INFO L168 Benchmark]: RCFGBuilder took 772.78 ms. Allocated memory is still 201.9 MB. Free memory was 160.2 MB in the beginning and 104.5 MB in the end (delta: 55.7 MB). Peak memory consumption was 55.7 MB. Max. memory is 7.1 GB. [2019-09-20 23:22:03,012 INFO L168 Benchmark]: Sifa took 5727.74 ms. Allocated memory was 201.9 MB in the beginning and 298.8 MB in the end (delta: 97.0 MB). Free memory was 104.5 MB in the beginning and 157.6 MB in the end (delta: -53.1 MB). Peak memory consumption was 43.9 MB. Max. memory is 7.1 GB. [2019-09-20 23:22:03,015 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 135.3 MB. Free memory was 109.6 MB in the beginning and 109.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 644.29 ms. Allocated memory was 135.3 MB in the beginning and 201.9 MB in the end (delta: 66.6 MB). Free memory was 89.4 MB in the beginning and 163.1 MB in the end (delta: -73.8 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 67.65 ms. Allocated memory is still 201.9 MB. Free memory was 163.1 MB in the beginning and 160.2 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 772.78 ms. Allocated memory is still 201.9 MB. Free memory was 160.2 MB in the beginning and 104.5 MB in the end (delta: 55.7 MB). Peak memory consumption was 55.7 MB. Max. memory is 7.1 GB. * Sifa took 5727.74 ms. Allocated memory was 201.9 MB in the beginning and 298.8 MB in the end (delta: 97.0 MB). Free memory was 104.5 MB in the beginning and 157.6 MB in the end (delta: -53.1 MB). Peak memory consumption was 43.9 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]: 5679, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 73, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 52, TOOLS_POST_TIME[ms]: 1699, TOOLS_POST_CALL_APPLICATIONS: 15, TOOLS_POST_CALL_TIME[ms]: 98, TOOLS_POST_RETURN_APPLICATIONS: 14, TOOLS_POST_RETURN_TIME[ms]: 722, TOOLS_QUANTIFIERELIM_APPLICATIONS: 81, TOOLS_QUANTIFIERELIM_TIME[ms]: 2472, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 881, FLUID_QUERY_TIME[ms]: 0, FLUID_QUERIES: 91, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 26, DOMAIN_JOIN_TIME[ms]: 1621, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 12, DOMAIN_WIDEN_TIME[ms]: 1417, DOMAIN_ISSUBSETEQ_APPLICATIONS: 18, DOMAIN_ISSUBSETEQ_TIME[ms]: 29, DOMAIN_ISBOTTOM_APPLICATIONS: 2, DOMAIN_ISBOTTOM_TIME[ms]: 5, LOOP_SUMMARIZER_APPLICATIONS: 6, LOOP_SUMMARIZER_CACHE_MISSES: 6, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 5288, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 5288, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 18, CALL_SUMMARIZER_APPLICATIONS: 14, CALL_SUMMARIZER_CACHE_MISSES: 6, CALL_SUMMARIZER_OVERALL_TIME[ms]: 4977, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 4976, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 3, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 22, DAG_COMPRESSION_PROCESSED_NODES: 160, DAG_COMPRESSION_RETAINED_NODES: 71 - UnprovableResult [Line: 619]: 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 168#(exists ((v_prenex_16 Int) (v_sll_get_data_at_~head.offset_BEFORE_RETURN_2 Int) (v_prenex_15 Int) (v_prenex_17 Int) (v_prenex_12 Int) (v_prenex_14 Int) (v_sll_get_data_at_~head.offset_BEFORE_RETURN_1 Int) (v_prenex_13 Int) (v_prenex_4 Int) (v_prenex_5 Int) (v_sll_get_data_at_~head.base_BEFORE_RETURN_2 Int) (v_sll_get_data_at_~head.base_BEFORE_RETURN_1 Int)) (or (and (<= 0 (+ main_~i~0 1)) (<= 0 main_~i~0) (= (+ main_~i~0 main_~len~0) main_~expected~0) (= 0 |#NULL.base|) (< main_~len~0 3) (<= (select (select |#memory_int| v_prenex_15) v_prenex_14) 2147483647) (= main_~data~0 1) (not (= (select (select |#memory_int| v_prenex_15) v_prenex_14) main_~expected~0)) (= 0 (select |old(#valid)| 0)) (<= (select (select |#memory_int| v_prenex_4) v_prenex_5) 2147483647) (<= 0 (+ (select (select |#memory_int| v_prenex_15) v_prenex_14) 2147483648)) (= (* 2 main_~len~0) (+ main_~new_data~0 2)) (= (+ main_~i~0 main_~len~0 1) (select (select |#memory_int| v_prenex_4) v_prenex_5)) (= |#NULL.offset| 0) (= main_~len~0 2) (<= 0 (+ (select (select |#memory_int| v_prenex_4) v_prenex_5) 2147483648)) (= (+ main_~i~0 1) (+ main_~len~0 (- 1)))) (and (<= 0 main_~i~0) (not (= (select (select |#memory_int| v_sll_get_data_at_~head.base_BEFORE_RETURN_1) v_sll_get_data_at_~head.offset_BEFORE_RETURN_1) main_~expected~0)) (= 0 |#NULL.base|) (< main_~len~0 3) (= (+ main_~i~0 main_~len~0) main_~expected~0) (<= 0 (+ (select (select |#memory_int| v_sll_get_data_at_~head.base_BEFORE_RETURN_1) v_sll_get_data_at_~head.offset_BEFORE_RETURN_1) 2147483648)) (= main_~data~0 1) (= 0 (select |old(#valid)| 0)) (= main_~i~0 (+ main_~len~0 (- 1))) (= (* 2 main_~len~0) (+ main_~new_data~0 2)) (= |#NULL.offset| 0) (<= (select (select |#memory_int| v_sll_get_data_at_~head.base_BEFORE_RETURN_1) v_sll_get_data_at_~head.offset_BEFORE_RETURN_1) 2147483647) (= main_~len~0 2)) (and (<= 0 main_~i~0) (<= 0 (+ (select (select |#memory_int| v_prenex_12) v_prenex_13) 2147483648)) (= (+ main_~i~0 main_~len~0) main_~expected~0) (= 0 |#NULL.base|) (= main_~data~0 1) (= (* 2 main_~len~0) (+ main_~new_data~0 1)) (= 0 (select |old(#valid)| 0)) (<= (select (select |#memory_int| v_prenex_12) v_prenex_13) 2147483647) (= main_~i~0 (+ main_~len~0 (- 1))) (= |#NULL.offset| 0) (not (= (select (select |#memory_int| v_prenex_12) v_prenex_13) main_~expected~0)) (< main_~len~0 2) (= main_~len~0 2)) (and (<= 0 (+ (select (select |#memory_int| v_sll_get_data_at_~head.base_BEFORE_RETURN_2) v_sll_get_data_at_~head.offset_BEFORE_RETURN_2) 2147483648)) (<= 0 (+ main_~i~0 1)) (<= 0 main_~i~0) (= (+ main_~i~0 main_~len~0) main_~expected~0) (= 0 |#NULL.base|) (<= (select (select |#memory_int| v_sll_get_data_at_~head.base_BEFORE_RETURN_2) v_sll_get_data_at_~head.offset_BEFORE_RETURN_2) 2147483647) (<= 0 (+ (select (select |#memory_int| v_prenex_17) v_prenex_16) 2147483648)) (= main_~data~0 1) (= (select (select |#memory_int| v_prenex_17) v_prenex_16) (+ main_~i~0 main_~len~0 1)) (= (* 2 main_~len~0) (+ main_~new_data~0 1)) (= 0 (select |old(#valid)| 0)) (<= (select (select |#memory_int| v_prenex_17) v_prenex_16) 2147483647) (not (= main_~expected~0 (select (select |#memory_int| v_sll_get_data_at_~head.base_BEFORE_RETURN_2) v_sll_get_data_at_~head.offset_BEFORE_RETURN_2))) (= |#NULL.offset| 0) (< main_~len~0 2) (= main_~len~0 2) (= (+ main_~i~0 1) (+ main_~len~0 (- 1)))))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...