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/sll2c_update_all_reverse.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-19 22:17:35,762 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-19 22:17:35,764 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-19 22:17:35,776 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-19 22:17:35,776 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-19 22:17:35,777 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-19 22:17:35,778 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-19 22:17:35,780 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-19 22:17:35,782 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-19 22:17:35,783 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-19 22:17:35,784 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-19 22:17:35,785 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-19 22:17:35,785 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-19 22:17:35,786 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-19 22:17:35,787 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-19 22:17:35,789 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-19 22:17:35,790 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-19 22:17:35,791 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-19 22:17:35,792 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-19 22:17:35,794 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-19 22:17:35,796 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-19 22:17:35,797 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-19 22:17:35,798 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-19 22:17:35,799 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-19 22:17:35,801 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-19 22:17:35,801 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-19 22:17:35,802 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-19 22:17:35,803 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-19 22:17:35,803 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-19 22:17:35,804 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-19 22:17:35,804 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-19 22:17:35,805 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-19 22:17:35,806 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-19 22:17:35,807 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-19 22:17:35,808 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-19 22:17:35,808 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-19 22:17:35,808 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-19 22:17:35,809 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-19 22:17:35,809 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-19 22:17:35,810 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-19 22:17:35,810 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-19 22:17:35,811 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 [2019-09-19 22:17:35,826 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-19 22:17:35,826 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-19 22:17:35,828 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-19 22:17:35,828 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-19 22:17:35,828 INFO L138 SettingsManager]: * Use SBE=true [2019-09-19 22:17:35,828 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-19 22:17:35,828 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-19 22:17:35,829 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-19 22:17:35,829 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-19 22:17:35,829 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-19 22:17:35,829 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-19 22:17:35,829 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-19 22:17:35,830 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-19 22:17:35,830 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-19 22:17:35,830 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-19 22:17:35,830 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-19 22:17:35,830 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-19 22:17:35,831 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-19 22:17:35,831 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-19 22:17:35,831 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-19 22:17:35,831 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-19 22:17:35,831 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-19 22:17:35,832 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-19 22:17:35,832 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-19 22:17:35,832 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-19 22:17:35,832 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-19 22:17:35,832 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-19 22:17:35,833 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-19 22:17:35,833 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 [2019-09-19 22:17:35,865 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-19 22:17:35,878 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-19 22:17:35,882 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-19 22:17:35,883 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-19 22:17:35,884 INFO L275 PluginConnector]: CDTParser initialized [2019-09-19 22:17:35,884 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/sll2c_update_all_reverse.i [2019-09-19 22:17:35,946 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d8cbc4a3/42a118fbd5804886ab087e9230ce4381/FLAGcd92b0ad9 [2019-09-19 22:17:36,500 INFO L306 CDTParser]: Found 1 translation units. [2019-09-19 22:17:36,501 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/sll2c_update_all_reverse.i [2019-09-19 22:17:36,514 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d8cbc4a3/42a118fbd5804886ab087e9230ce4381/FLAGcd92b0ad9 [2019-09-19 22:17:36,772 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d8cbc4a3/42a118fbd5804886ab087e9230ce4381 [2019-09-19 22:17:36,783 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-19 22:17:36,785 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-19 22:17:36,786 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-19 22:17:36,786 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-19 22:17:36,791 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-19 22:17:36,792 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 10:17:36" (1/1) ... [2019-09-19 22:17:36,794 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bb92ecd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:17:36, skipping insertion in model container [2019-09-19 22:17:36,794 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 10:17:36" (1/1) ... [2019-09-19 22:17:36,800 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-19 22:17:36,838 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-19 22:17:37,434 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 22:17:37,451 INFO L188 MainTranslator]: Completed pre-run [2019-09-19 22:17:37,529 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 22:17:37,601 INFO L192 MainTranslator]: Completed translation [2019-09-19 22:17:37,601 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:17:37 WrapperNode [2019-09-19 22:17:37,602 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-19 22:17:37,602 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-19 22:17:37,602 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-19 22:17:37,603 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-19 22:17:37,617 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:17:37" (1/1) ... [2019-09-19 22:17:37,617 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:17:37" (1/1) ... [2019-09-19 22:17:37,655 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:17:37" (1/1) ... [2019-09-19 22:17:37,655 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:17:37" (1/1) ... [2019-09-19 22:17:37,689 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:17:37" (1/1) ... [2019-09-19 22:17:37,697 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:17:37" (1/1) ... [2019-09-19 22:17:37,705 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:17:37" (1/1) ... [2019-09-19 22:17:37,711 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-19 22:17:37,712 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-19 22:17:37,712 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-19 22:17:37,712 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-19 22:17:37,713 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:17:37" (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 [2019-09-19 22:17:37,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-19 22:17:37,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-19 22:17:37,769 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-19 22:17:37,769 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-19 22:17:37,770 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-19 22:17:37,770 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-09-19 22:17:37,770 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_create [2019-09-19 22:17:37,770 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_destroy [2019-09-19 22:17:37,770 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_get_data_at [2019-09-19 22:17:37,770 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_update_at [2019-09-19 22:17:37,771 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-19 22:17:37,771 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-19 22:17:37,771 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-19 22:17:37,771 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-19 22:17:37,771 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-19 22:17:37,772 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-19 22:17:37,772 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-19 22:17:37,772 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-19 22:17:37,772 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-19 22:17:37,772 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-19 22:17:37,773 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-19 22:17:37,773 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-19 22:17:37,773 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-19 22:17:37,773 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-19 22:17:37,773 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-19 22:17:37,773 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-19 22:17:37,774 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-19 22:17:37,774 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-19 22:17:37,774 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-19 22:17:37,774 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-19 22:17:37,774 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-19 22:17:37,774 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-19 22:17:37,775 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-19 22:17:37,775 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-19 22:17:37,775 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-19 22:17:37,775 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-19 22:17:37,775 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-19 22:17:37,775 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-19 22:17:37,776 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-19 22:17:37,776 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-19 22:17:37,776 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-19 22:17:37,776 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-19 22:17:37,776 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-19 22:17:37,776 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-19 22:17:37,777 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-19 22:17:37,777 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-19 22:17:37,777 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-19 22:17:37,777 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-19 22:17:37,777 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-19 22:17:37,777 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-19 22:17:37,778 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-19 22:17:37,778 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-19 22:17:37,778 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-19 22:17:37,778 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-19 22:17:37,778 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-19 22:17:37,778 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-19 22:17:37,779 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-19 22:17:37,779 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-19 22:17:37,779 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-19 22:17:37,779 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-19 22:17:37,779 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-19 22:17:37,779 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-19 22:17:37,780 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-19 22:17:37,780 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-19 22:17:37,780 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-19 22:17:37,780 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-19 22:17:37,780 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-19 22:17:37,780 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-19 22:17:37,780 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-19 22:17:37,781 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-19 22:17:37,781 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-19 22:17:37,781 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-19 22:17:37,781 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-19 22:17:37,781 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-19 22:17:37,781 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-19 22:17:37,782 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-19 22:17:37,782 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-19 22:17:37,782 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-19 22:17:37,782 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-19 22:17:37,782 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-19 22:17:37,782 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-19 22:17:37,782 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-19 22:17:37,783 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-19 22:17:37,783 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-19 22:17:37,783 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-19 22:17:37,783 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-19 22:17:37,783 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-19 22:17:37,783 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-19 22:17:37,784 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-19 22:17:37,784 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-19 22:17:37,784 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-19 22:17:37,784 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-19 22:17:37,784 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-19 22:17:37,784 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-19 22:17:37,784 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-19 22:17:37,785 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-19 22:17:37,785 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-19 22:17:37,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-19 22:17:37,785 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-19 22:17:37,785 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-19 22:17:37,785 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-19 22:17:37,785 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-19 22:17:37,786 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-19 22:17:37,786 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-19 22:17:37,786 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-19 22:17:37,786 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-19 22:17:37,786 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-19 22:17:37,786 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-19 22:17:37,786 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-19 22:17:37,787 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-19 22:17:37,787 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-19 22:17:37,787 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-19 22:17:37,787 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-19 22:17:37,787 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-19 22:17:37,787 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-19 22:17:37,787 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-19 22:17:37,788 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-19 22:17:37,788 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-19 22:17:37,788 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-09-19 22:17:37,788 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-19 22:17:37,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-19 22:17:37,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-19 22:17:37,789 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_create [2019-09-19 22:17:37,789 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_destroy [2019-09-19 22:17:37,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-19 22:17:37,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-19 22:17:37,789 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_get_data_at [2019-09-19 22:17:37,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-19 22:17:37,789 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_update_at [2019-09-19 22:17:37,790 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-19 22:17:37,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-19 22:17:37,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-19 22:17:38,188 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-19 22:17:38,484 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-19 22:17:38,484 INFO L283 CfgBuilder]: Removed 6 assume(true) statements. [2019-09-19 22:17:38,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 10:17:38 BoogieIcfgContainer [2019-09-19 22:17:38,486 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-19 22:17:38,486 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-19 22:17:38,487 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-19 22:17:38,487 INFO L275 PluginConnector]: Sifa initialized [2019-09-19 22:17:38,488 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 10:17:38" (1/1) ... [2019-09-19 22:17:38,489 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 [2019-09-19 22:17:38,513 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-19 22:17:38,513 INFO L169 IcfgInterpreter]: Building call graph [2019-09-19 22:17:38,522 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-19 22:17:38,531 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-19 22:17:38,532 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-19 22:17:38,689 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-19 22:17:38,817 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-19 22:17:40,307 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-19 22:17:40,472 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2019-09-19 22:17:40,632 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2019-09-19 22:17:40,780 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-09-19 22:17:40,946 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-09-19 22:17:41,100 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-19 22:17:41,234 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-09-19 22:17:41,363 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2019-09-19 22:17:41,496 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-09-19 22:17:41,623 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-09-19 22:17:41,850 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-09-19 22:17:42,062 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-19 22:17:42,217 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-19 22:17:42,366 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2019-09-19 22:17:42,499 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2019-09-19 22:17:42,634 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2019-09-19 22:17:42,891 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 58 [2019-09-19 22:17:43,021 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2019-09-19 22:17:43,346 WARN L191 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 83 [2019-09-19 22:17:44,840 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 63 [2019-09-19 22:17:45,444 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 67 [2019-09-19 22:17:45,571 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2019-09-19 22:17:45,750 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 40 [2019-09-19 22:17:46,127 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 97 [2019-09-19 22:17:49,543 WARN L191 SmtUtils]: Spent 2.39 s on a formula simplification that was a NOOP. DAG size: 158 [2019-09-19 22:17:49,579 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-19 22:17:49,580 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-19 22:17:49,581 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 180#true [2019-09-19 22:17:49,598 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-19 22:17:49,598 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-19 22:17:49,601 INFO L168 Benchmark]: Toolchain (without parser) took 12815.13 ms. Allocated memory was 134.2 MB in the beginning and 342.4 MB in the end (delta: 208.1 MB). Free memory was 89.2 MB in the beginning and 296.5 MB in the end (delta: -207.3 MB). Peak memory consumption was 850.6 kB. Max. memory is 7.1 GB. [2019-09-19 22:17:49,603 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 134.2 MB. Free memory was 108.6 MB in the beginning and 108.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-19 22:17:49,606 INFO L168 Benchmark]: CACSL2BoogieTranslator took 815.89 ms. Allocated memory was 134.2 MB in the beginning and 201.3 MB in the end (delta: 67.1 MB). Free memory was 89.0 MB in the beginning and 164.2 MB in the end (delta: -75.1 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. [2019-09-19 22:17:49,607 INFO L168 Benchmark]: Boogie Preprocessor took 109.50 ms. Allocated memory is still 201.3 MB. Free memory was 164.2 MB in the beginning and 161.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. [2019-09-19 22:17:49,607 INFO L168 Benchmark]: RCFGBuilder took 773.80 ms. Allocated memory is still 201.3 MB. Free memory was 161.0 MB in the beginning and 105.4 MB in the end (delta: 55.6 MB). Peak memory consumption was 55.6 MB. Max. memory is 7.1 GB. [2019-09-19 22:17:49,608 INFO L168 Benchmark]: Sifa took 11111.98 ms. Allocated memory was 201.3 MB in the beginning and 342.4 MB in the end (delta: 141.0 MB). Free memory was 104.8 MB in the beginning and 296.5 MB in the end (delta: -191.7 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-19 22:17:49,612 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 134.2 MB. Free memory was 108.6 MB in the beginning and 108.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 815.89 ms. Allocated memory was 134.2 MB in the beginning and 201.3 MB in the end (delta: 67.1 MB). Free memory was 89.0 MB in the beginning and 164.2 MB in the end (delta: -75.1 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 109.50 ms. Allocated memory is still 201.3 MB. Free memory was 164.2 MB in the beginning and 161.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 773.80 ms. Allocated memory is still 201.3 MB. Free memory was 161.0 MB in the beginning and 105.4 MB in the end (delta: 55.6 MB). Peak memory consumption was 55.6 MB. Max. memory is 7.1 GB. * Sifa took 11111.98 ms. Allocated memory was 201.3 MB in the beginning and 342.4 MB in the end (delta: 141.0 MB). Free memory was 104.8 MB in the beginning and 296.5 MB in the end (delta: -191.7 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 11069, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 77, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 54, TOOLS_POST_TIME[ms]: 2371, TOOLS_POST_CALL_APPLICATIONS: 18, TOOLS_POST_CALL_TIME[ms]: 128, TOOLS_POST_RETURN_APPLICATIONS: 17, TOOLS_POST_RETURN_TIME[ms]: 2817, TOOLS_QUANTIFIERELIM_APPLICATIONS: 89, TOOLS_QUANTIFIERELIM_TIME[ms]: 5264, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 1499, FLUID_QUERY_TIME[ms]: 0, FLUID_QUERIES: 94, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 25, DOMAIN_JOIN_TIME[ms]: 1570, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 12, DOMAIN_WIDEN_TIME[ms]: 3655, DOMAIN_ISSUBSETEQ_APPLICATIONS: 17, DOMAIN_ISSUBSETEQ_TIME[ms]: 427, DOMAIN_ISBOTTOM_APPLICATIONS: 2, DOMAIN_ISBOTTOM_TIME[ms]: 5, LOOP_SUMMARIZER_APPLICATIONS: 5, LOOP_SUMMARIZER_CACHE_MISSES: 5, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 9555, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 9554, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 17, CALL_SUMMARIZER_APPLICATIONS: 17, CALL_SUMMARIZER_CACHE_MISSES: 6, CALL_SUMMARIZER_OVERALL_TIME[ms]: 6199, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 6198, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 20, DAG_COMPRESSION_PROCESSED_NODES: 126, DAG_COMPRESSION_RETAINED_NODES: 66 - UnprovableResult [Line: 626]: 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 180#true. Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...