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/dll2c_remove_all_reverse.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-19 22:14:12,933 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-19 22:14:12,936 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-19 22:14:12,955 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-19 22:14:12,955 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-19 22:14:12,957 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-19 22:14:12,960 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-19 22:14:12,970 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-19 22:14:12,971 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-19 22:14:12,972 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-19 22:14:12,973 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-19 22:14:12,974 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-19 22:14:12,974 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-19 22:14:12,975 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-19 22:14:12,976 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-19 22:14:12,977 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-19 22:14:12,978 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-19 22:14:12,979 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-19 22:14:12,980 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-19 22:14:12,982 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-19 22:14:12,983 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-19 22:14:12,984 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-19 22:14:12,985 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-19 22:14:12,986 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-19 22:14:12,987 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-19 22:14:12,988 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-19 22:14:12,988 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-19 22:14:12,989 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-19 22:14:12,989 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-19 22:14:12,990 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-19 22:14:12,990 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-19 22:14:12,991 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-19 22:14:12,991 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-19 22:14:12,992 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-19 22:14:12,993 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-19 22:14:12,993 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-19 22:14:12,994 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-19 22:14:12,994 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-19 22:14:12,994 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-19 22:14:12,995 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-19 22:14:12,996 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-19 22:14:12,996 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 22:14:13,011 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-19 22:14:13,011 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-19 22:14:13,012 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-19 22:14:13,012 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-19 22:14:13,013 INFO L138 SettingsManager]: * Use SBE=true [2019-09-19 22:14:13,013 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-19 22:14:13,013 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-19 22:14:13,013 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-19 22:14:13,013 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-19 22:14:13,014 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-19 22:14:13,014 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-19 22:14:13,014 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-19 22:14:13,014 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-19 22:14:13,014 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-19 22:14:13,014 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-19 22:14:13,015 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-19 22:14:13,015 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-19 22:14:13,015 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-19 22:14:13,015 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-19 22:14:13,015 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-19 22:14:13,016 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-19 22:14:13,016 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-19 22:14:13,016 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-19 22:14:13,016 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-19 22:14:13,017 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-19 22:14:13,017 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-19 22:14:13,017 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-19 22:14:13,017 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-19 22:14:13,018 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 22:14:13,059 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-19 22:14:13,070 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-19 22:14:13,073 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-19 22:14:13,075 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-19 22:14:13,075 INFO L275 PluginConnector]: CDTParser initialized [2019-09-19 22:14:13,076 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/dll2c_remove_all_reverse.i [2019-09-19 22:14:13,150 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2da29fa41/94a94a83fa964991b9502c6be62123f7/FLAG4024f2084 [2019-09-19 22:14:13,721 INFO L306 CDTParser]: Found 1 translation units. [2019-09-19 22:14:13,722 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/dll2c_remove_all_reverse.i [2019-09-19 22:14:13,736 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2da29fa41/94a94a83fa964991b9502c6be62123f7/FLAG4024f2084 [2019-09-19 22:14:13,994 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2da29fa41/94a94a83fa964991b9502c6be62123f7 [2019-09-19 22:14:14,003 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-19 22:14:14,005 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-19 22:14:14,006 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-19 22:14:14,006 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-19 22:14:14,009 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-19 22:14:14,010 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 10:14:13" (1/1) ... [2019-09-19 22:14:14,013 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62123478 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:14:14, skipping insertion in model container [2019-09-19 22:14:14,013 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 10:14:13" (1/1) ... [2019-09-19 22:14:14,021 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-19 22:14:14,073 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-19 22:14:14,529 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 22:14:14,543 INFO L188 MainTranslator]: Completed pre-run [2019-09-19 22:14:14,636 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 22:14:14,692 INFO L192 MainTranslator]: Completed translation [2019-09-19 22:14:14,692 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:14:14 WrapperNode [2019-09-19 22:14:14,693 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-19 22:14:14,693 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-19 22:14:14,694 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-19 22:14:14,694 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-19 22:14:14,709 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:14:14" (1/1) ... [2019-09-19 22:14:14,709 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:14:14" (1/1) ... [2019-09-19 22:14:14,726 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:14:14" (1/1) ... [2019-09-19 22:14:14,726 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:14:14" (1/1) ... [2019-09-19 22:14:14,741 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:14:14" (1/1) ... [2019-09-19 22:14:14,747 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:14:14" (1/1) ... [2019-09-19 22:14:14,750 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:14:14" (1/1) ... [2019-09-19 22:14:14,757 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-19 22:14:14,758 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-19 22:14:14,758 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-19 22:14:14,758 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-19 22:14:14,759 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:14:14" (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 22:14:14,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-19 22:14:14,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-19 22:14:14,815 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-19 22:14:14,815 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-19 22:14:14,815 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-19 22:14:14,815 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-09-19 22:14:14,816 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_create [2019-09-19 22:14:14,816 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_remove_last [2019-09-19 22:14:14,816 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-19 22:14:14,816 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-19 22:14:14,816 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-19 22:14:14,817 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-19 22:14:14,817 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-19 22:14:14,817 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-19 22:14:14,817 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-19 22:14:14,817 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-19 22:14:14,818 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-19 22:14:14,818 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-19 22:14:14,818 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-19 22:14:14,818 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-19 22:14:14,818 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-19 22:14:14,818 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-19 22:14:14,819 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-19 22:14:14,819 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-19 22:14:14,819 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-19 22:14:14,819 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-19 22:14:14,819 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-19 22:14:14,820 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-19 22:14:14,820 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-19 22:14:14,820 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-19 22:14:14,820 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-19 22:14:14,820 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-19 22:14:14,820 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-19 22:14:14,821 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-19 22:14:14,821 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-19 22:14:14,821 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-19 22:14:14,821 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-19 22:14:14,821 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-19 22:14:14,821 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-19 22:14:14,822 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-19 22:14:14,822 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-19 22:14:14,822 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-19 22:14:14,822 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-19 22:14:14,822 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-19 22:14:14,822 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-19 22:14:14,823 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-19 22:14:14,823 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-19 22:14:14,823 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-19 22:14:14,823 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-19 22:14:14,823 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-19 22:14:14,824 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-19 22:14:14,824 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-19 22:14:14,824 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-19 22:14:14,824 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-19 22:14:14,824 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-19 22:14:14,824 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-19 22:14:14,825 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-19 22:14:14,825 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-19 22:14:14,825 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-19 22:14:14,825 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-19 22:14:14,825 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-19 22:14:14,825 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-19 22:14:14,826 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-19 22:14:14,826 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-19 22:14:14,826 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-19 22:14:14,826 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-19 22:14:14,826 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-19 22:14:14,826 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-19 22:14:14,827 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-19 22:14:14,827 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-19 22:14:14,827 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-19 22:14:14,827 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-19 22:14:14,827 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-19 22:14:14,827 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-19 22:14:14,828 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-19 22:14:14,828 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-19 22:14:14,828 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-19 22:14:14,828 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-19 22:14:14,828 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-19 22:14:14,828 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-19 22:14:14,829 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-19 22:14:14,829 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-19 22:14:14,829 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-19 22:14:14,829 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-19 22:14:14,829 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-19 22:14:14,829 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-19 22:14:14,830 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-19 22:14:14,830 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-19 22:14:14,830 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-19 22:14:14,830 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-19 22:14:14,830 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-19 22:14:14,830 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-19 22:14:14,830 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-19 22:14:14,831 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-19 22:14:14,831 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-19 22:14:14,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-19 22:14:14,831 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-19 22:14:14,831 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-19 22:14:14,831 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-19 22:14:14,832 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-19 22:14:14,832 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-19 22:14:14,832 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-19 22:14:14,832 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-19 22:14:14,832 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-19 22:14:14,832 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-19 22:14:14,832 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-19 22:14:14,833 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-19 22:14:14,833 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-19 22:14:14,833 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-19 22:14:14,833 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-19 22:14:14,833 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-19 22:14:14,833 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-19 22:14:14,834 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-19 22:14:14,834 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-19 22:14:14,834 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-19 22:14:14,834 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-19 22:14:14,834 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-09-19 22:14:14,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-19 22:14:14,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-19 22:14:14,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-19 22:14:14,835 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_create [2019-09-19 22:14:14,835 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_remove_last [2019-09-19 22:14:14,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-19 22:14:14,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-19 22:14:14,835 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-19 22:14:14,836 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-19 22:14:14,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-19 22:14:14,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-19 22:14:14,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-19 22:14:14,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-19 22:14:15,292 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-19 22:14:15,609 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-19 22:14:15,610 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-09-19 22:14:15,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 10:14:15 BoogieIcfgContainer [2019-09-19 22:14:15,611 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-19 22:14:15,612 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-19 22:14:15,613 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-19 22:14:15,613 INFO L275 PluginConnector]: Sifa initialized [2019-09-19 22:14:15,614 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 10:14:15" (1/1) ... [2019-09-19 22:14:15,614 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 22:14:15,638 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-19 22:14:15,639 INFO L169 IcfgInterpreter]: Building call graph [2019-09-19 22:14:15,646 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-19 22:14:15,653 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-19 22:14:15,655 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-19 22:14:15,794 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-19 22:14:16,078 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-19 22:14:17,230 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-19 22:14:17,546 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 68 [2019-09-19 22:14:17,688 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2019-09-19 22:14:17,918 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2019-09-19 22:14:18,040 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2019-09-19 22:14:18,761 WARN L191 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 119 [2019-09-19 22:14:19,101 WARN L191 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2019-09-19 22:14:19,411 WARN L191 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-09-19 22:14:19,715 WARN L191 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-09-19 22:14:20,017 WARN L191 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-19 22:14:20,338 WARN L191 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2019-09-19 22:14:20,617 WARN L191 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2019-09-19 22:14:20,892 WARN L191 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-09-19 22:14:21,280 WARN L191 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 79 [2019-09-19 22:14:21,585 WARN L191 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 70 [2019-09-19 22:14:23,263 WARN L191 SmtUtils]: Spent 1.65 s on a formula simplification that was a NOOP. DAG size: 129 [2019-09-19 22:14:25,277 WARN L191 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 126 [2019-09-19 22:14:26,590 WARN L191 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 119 [2019-09-19 22:14:27,163 WARN L191 SmtUtils]: Spent 535.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2019-09-19 22:14:27,932 WARN L191 SmtUtils]: Spent 709.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 106 [2019-09-19 22:14:28,447 WARN L191 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 102 [2019-09-19 22:14:28,926 WARN L191 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 96 [2019-09-19 22:14:29,331 WARN L191 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 88 [2019-09-19 22:14:29,493 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-09-19 22:14:29,680 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-09-19 22:14:30,122 WARN L191 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 110 [2019-09-19 22:14:35,059 WARN L191 SmtUtils]: Spent 4.86 s on a formula simplification that was a NOOP. DAG size: 149 [2019-09-19 22:14:38,748 WARN L191 SmtUtils]: Spent 3.55 s on a formula simplification that was a NOOP. DAG size: 143 [2019-09-19 22:14:41,611 WARN L191 SmtUtils]: Spent 2.77 s on a formula simplification that was a NOOP. DAG size: 137 [2019-09-19 22:14:43,448 WARN L191 SmtUtils]: Spent 1.77 s on a formula simplification that was a NOOP. DAG size: 127 [2019-09-19 22:14:44,873 WARN L191 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 121 [2019-09-19 22:14:45,722 WARN L191 SmtUtils]: Spent 814.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2019-09-19 22:14:46,831 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 113 DAG size of output: 106 [2019-09-19 22:14:47,741 WARN L191 SmtUtils]: Spent 791.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 100 [2019-09-19 22:14:48,248 WARN L191 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 91 [2019-09-19 22:14:48,725 WARN L191 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 86 [2019-09-19 22:14:49,171 WARN L191 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2019-09-19 22:14:49,488 WARN L191 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 68 [2019-09-19 22:15:06,642 WARN L191 SmtUtils]: Spent 16.96 s on a formula simplification that was a NOOP. DAG size: 146 [2019-09-19 22:15:25,374 WARN L191 SmtUtils]: Spent 18.68 s on a formula simplification that was a NOOP. DAG size: 143 [2019-09-19 22:15:37,179 WARN L191 SmtUtils]: Spent 10.74 s on a formula simplification that was a NOOP. DAG size: 131 [2019-09-19 22:15:47,325 WARN L191 SmtUtils]: Spent 9.29 s on a formula simplification. DAG size of input: 120 DAG size of output: 119 [2019-09-19 22:15:52,205 WARN L191 SmtUtils]: Spent 4.74 s on a formula simplification. DAG size of input: 119 DAG size of output: 114 [2019-09-19 22:15:53,131 WARN L191 SmtUtils]: Spent 781.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 101 [2019-09-19 22:15:53,911 WARN L191 SmtUtils]: Spent 634.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 94 [2019-09-19 22:15:54,539 WARN L191 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 89 [2019-09-19 22:15:54,872 WARN L191 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 65 [2019-09-19 22:15:55,367 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2019-09-19 22:15:55,608 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-19 22:15:55,774 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 45 [2019-09-19 22:15:56,376 WARN L191 SmtUtils]: Spent 532.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-09-19 22:15:56,874 WARN L191 SmtUtils]: Spent 476.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-19 22:15:57,274 WARN L191 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2019-09-19 22:15:57,639 WARN L191 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2019-09-19 22:15:57,959 WARN L191 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-19 22:15:58,479 WARN L191 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2019-09-19 22:15:58,931 WARN L191 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-19 22:15:59,427 WARN L191 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 77 [2019-09-19 22:15:59,820 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.sifa has thrown an exception: java.lang.UnsupportedOperationException: expected NNF at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis$ArrOccFinder$MyWalker.walk(ArrayOccurrenceAnalysis.java:236) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive$TermWalker.walk(NonRecursive.java:139) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis$ArrOccFinder$MyWalker.walk(ArrayOccurrenceAnalysis.java:195) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis$ArrOccFinder.(ArrayOccurrenceAnalysis.java:181) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis.(ArrayOccurrenceAnalysis.java:74) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayIndexBasedCostEstimation.computeCostEstimation(ArrayIndexBasedCostEstimation.java:131) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayIndexBasedCostEstimation.(ArrayIndexBasedCostEstimation.java:64) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.computeCostEstimation(ElimStorePlain.java:519) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:390) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:256) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.eliminateOne(ElimStorePlain.java:553) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:466) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:216) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:306) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.quantifier(PartialQuantifierElimination.java:146) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.newQuantifier(SymbolicTools.java:275) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.projectExistentially(SymbolicTools.java:263) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermDomainOperationProvider.projectExistentially(TermDomainOperationProvider.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateTransformer.strongestPostcondition(PredicateTransformer.java:131) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.post(SymbolicTools.java:116) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretInternal(DagInterpreter.java:237) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:216) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarizeInternal(FixpointLoopSummarizer.java:118) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarize(FixpointLoopSummarizer.java:94) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretLoop(DagInterpreter.java:178) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:169) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:139) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:129) at de.uni_freiburg.informatik.ultimate.plugins.sifa.SifaObserver.processIcfg(SifaObserver.java:81) at de.uni_freiburg.informatik.ultimate.plugins.sifa.SifaObserver.process(SifaObserver.java:72) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:156) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-09-19 22:15:59,827 INFO L168 Benchmark]: Toolchain (without parser) took 105822.77 ms. Allocated memory was 134.2 MB in the beginning and 408.9 MB in the end (delta: 274.7 MB). Free memory was 88.9 MB in the beginning and 261.4 MB in the end (delta: -172.6 MB). Peak memory consumption was 274.0 MB. Max. memory is 7.1 GB. [2019-09-19 22:15:59,827 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 134.2 MB. Free memory is still 108.2 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-19 22:15:59,828 INFO L168 Benchmark]: CACSL2BoogieTranslator took 687.49 ms. Allocated memory was 134.2 MB in the beginning and 201.3 MB in the end (delta: 67.1 MB). Free memory was 88.4 MB in the beginning and 162.5 MB in the end (delta: -74.1 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. [2019-09-19 22:15:59,829 INFO L168 Benchmark]: Boogie Preprocessor took 64.10 ms. Allocated memory is still 201.3 MB. Free memory was 162.5 MB in the beginning and 159.0 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 7.1 GB. [2019-09-19 22:15:59,829 INFO L168 Benchmark]: RCFGBuilder took 853.77 ms. Allocated memory is still 201.3 MB. Free memory was 159.0 MB in the beginning and 97.9 MB in the end (delta: 61.0 MB). Peak memory consumption was 61.0 MB. Max. memory is 7.1 GB. [2019-09-19 22:15:59,831 INFO L168 Benchmark]: Sifa took 104213.81 ms. Allocated memory was 201.3 MB in the beginning and 408.9 MB in the end (delta: 207.6 MB). Free memory was 97.9 MB in the beginning and 261.4 MB in the end (delta: -163.5 MB). Peak memory consumption was 215.9 MB. Max. memory is 7.1 GB. [2019-09-19 22:15:59,837 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 134.2 MB. Free memory is still 108.2 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 687.49 ms. Allocated memory was 134.2 MB in the beginning and 201.3 MB in the end (delta: 67.1 MB). Free memory was 88.4 MB in the beginning and 162.5 MB in the end (delta: -74.1 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 64.10 ms. Allocated memory is still 201.3 MB. Free memory was 162.5 MB in the beginning and 159.0 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 853.77 ms. Allocated memory is still 201.3 MB. Free memory was 159.0 MB in the beginning and 97.9 MB in the end (delta: 61.0 MB). Peak memory consumption was 61.0 MB. Max. memory is 7.1 GB. * Sifa took 104213.81 ms. Allocated memory was 201.3 MB in the beginning and 408.9 MB in the end (delta: 207.6 MB). Free memory was 97.9 MB in the beginning and 261.4 MB in the end (delta: -163.5 MB). Peak memory consumption was 215.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - ExceptionOrErrorResult: UnsupportedOperationException: expected NNF de.uni_freiburg.informatik.ultimate.plugins.sifa: UnsupportedOperationException: expected NNF: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis$ArrOccFinder$MyWalker.walk(ArrayOccurrenceAnalysis.java:236) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...