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 AlwaysFluid --sifa.intern.fluid AlwaysFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/list-simple/dll2c_remove_all.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 22:27:16,085 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 22:27:16,088 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 22:27:16,100 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 22:27:16,100 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 22:27:16,101 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 22:27:16,102 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 22:27:16,104 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 22:27:16,106 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 22:27:16,107 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 22:27:16,108 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 22:27:16,109 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 22:27:16,109 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 22:27:16,110 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 22:27:16,111 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 22:27:16,112 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 22:27:16,113 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 22:27:16,114 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 22:27:16,116 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 22:27:16,118 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 22:27:16,120 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 22:27:16,121 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 22:27:16,122 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 22:27:16,123 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 22:27:16,125 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 22:27:16,125 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 22:27:16,125 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 22:27:16,126 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 22:27:16,127 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 22:27:16,128 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 22:27:16,128 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 22:27:16,128 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 22:27:16,129 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 22:27:16,130 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 22:27:16,131 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 22:27:16,131 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 22:27:16,132 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 22:27:16,132 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 22:27:16,132 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 22:27:16,133 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 22:27:16,134 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 22:27:16,135 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 22:27:16,149 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 22:27:16,149 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 22:27:16,150 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 22:27:16,150 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 22:27:16,151 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 22:27:16,152 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 22:27:16,152 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 22:27:16,152 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 22:27:16,152 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 22:27:16,153 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 22:27:16,153 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 22:27:16,153 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 22:27:16,153 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 22:27:16,153 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 22:27:16,154 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 22:27:16,154 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 22:27:16,154 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 22:27:16,155 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 22:27:16,156 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 22:27:16,156 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 22:27:16,156 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 22:27:16,156 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 22:27:16,156 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 22:27:16,157 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 22:27:16,157 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 22:27:16,157 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 22:27:16,157 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 22:27:16,158 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 22:27:16,158 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 -> AlwaysFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> AlwaysFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 22:27:16,193 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 22:27:16,211 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 22:27:16,214 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 22:27:16,215 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 22:27:16,215 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 22:27:16,216 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/dll2c_remove_all.i [2019-09-20 22:27:16,274 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5a744c86/b332aba3e6e94e84853a8c008c3898fd/FLAGef333cfb3 [2019-09-20 22:27:16,821 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 22:27:16,822 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/dll2c_remove_all.i [2019-09-20 22:27:16,841 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5a744c86/b332aba3e6e94e84853a8c008c3898fd/FLAGef333cfb3 [2019-09-20 22:27:17,109 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5a744c86/b332aba3e6e94e84853a8c008c3898fd [2019-09-20 22:27:17,119 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 22:27:17,121 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 22:27:17,122 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 22:27:17,122 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 22:27:17,126 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 22:27:17,127 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 10:27:17" (1/1) ... [2019-09-20 22:27:17,130 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c9bb3bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:27:17, skipping insertion in model container [2019-09-20 22:27:17,130 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 10:27:17" (1/1) ... [2019-09-20 22:27:17,138 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 22:27:17,191 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 22:27:17,606 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 22:27:17,617 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 22:27:17,670 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 22:27:17,731 INFO L192 MainTranslator]: Completed translation [2019-09-20 22:27:17,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:27:17 WrapperNode [2019-09-20 22:27:17,732 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 22:27:17,733 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 22:27:17,734 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 22:27:17,734 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 22:27:17,747 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:27:17" (1/1) ... [2019-09-20 22:27:17,748 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:27:17" (1/1) ... [2019-09-20 22:27:17,766 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:27:17" (1/1) ... [2019-09-20 22:27:17,767 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:27:17" (1/1) ... [2019-09-20 22:27:17,784 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:27:17" (1/1) ... [2019-09-20 22:27:17,789 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:27:17" (1/1) ... [2019-09-20 22:27:17,793 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:27:17" (1/1) ... [2019-09-20 22:27:17,799 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 22:27:17,800 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 22:27:17,800 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 22:27:17,800 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 22:27:17,801 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:27:17" (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 22:27:17,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 22:27:17,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 22:27:17,868 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-20 22:27:17,869 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-20 22:27:17,869 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-20 22:27:17,869 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-09-20 22:27:17,869 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_create [2019-09-20 22:27:17,869 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_remove_first [2019-09-20 22:27:17,870 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 22:27:17,870 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 22:27:17,870 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-20 22:27:17,870 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-20 22:27:17,870 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-20 22:27:17,870 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-20 22:27:17,871 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-20 22:27:17,871 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-20 22:27:17,871 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-20 22:27:17,871 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-20 22:27:17,871 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-20 22:27:17,872 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-20 22:27:17,872 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-20 22:27:17,872 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-20 22:27:17,872 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-20 22:27:17,872 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-20 22:27:17,872 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-20 22:27:17,872 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-20 22:27:17,873 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-20 22:27:17,873 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-20 22:27:17,873 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-20 22:27:17,873 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-20 22:27:17,873 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-20 22:27:17,873 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-20 22:27:17,874 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-20 22:27:17,874 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-20 22:27:17,874 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-20 22:27:17,874 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-20 22:27:17,874 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-20 22:27:17,874 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-20 22:27:17,874 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-20 22:27:17,875 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-20 22:27:17,875 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-20 22:27:17,875 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-20 22:27:17,875 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-20 22:27:17,875 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-20 22:27:17,875 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-20 22:27:17,876 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-20 22:27:17,876 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-20 22:27:17,876 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-20 22:27:17,876 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-20 22:27:17,876 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-20 22:27:17,876 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-20 22:27:17,876 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-20 22:27:17,877 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-20 22:27:17,877 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-20 22:27:17,877 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-20 22:27:17,877 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-20 22:27:17,877 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-20 22:27:17,877 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-20 22:27:17,878 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-20 22:27:17,878 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-20 22:27:17,878 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-20 22:27:17,878 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-20 22:27:17,878 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 22:27:17,878 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-20 22:27:17,879 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-20 22:27:17,879 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 22:27:17,879 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-20 22:27:17,879 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-20 22:27:17,879 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-20 22:27:17,879 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-20 22:27:17,879 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-20 22:27:17,880 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-20 22:27:17,880 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-20 22:27:17,880 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-20 22:27:17,880 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-20 22:27:17,880 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-20 22:27:17,880 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-20 22:27:17,881 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-20 22:27:17,881 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-20 22:27:17,881 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-20 22:27:17,881 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-20 22:27:17,881 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-20 22:27:17,881 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-20 22:27:17,881 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-20 22:27:17,882 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-20 22:27:17,882 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-20 22:27:17,882 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-20 22:27:17,882 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-20 22:27:17,882 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-20 22:27:17,882 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-20 22:27:17,883 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-20 22:27:17,883 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-20 22:27:17,883 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-20 22:27:17,883 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-20 22:27:17,883 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-20 22:27:17,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-20 22:27:17,883 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-20 22:27:17,884 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-20 22:27:17,884 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-20 22:27:17,884 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-20 22:27:17,884 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-20 22:27:17,884 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-20 22:27:17,884 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-20 22:27:17,884 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-20 22:27:17,885 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-20 22:27:17,885 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-20 22:27:17,885 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-20 22:27:17,885 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-20 22:27:17,885 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-20 22:27:17,885 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-20 22:27:17,885 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-20 22:27:17,885 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-20 22:27:17,886 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-20 22:27:17,886 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-20 22:27:17,886 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-20 22:27:17,886 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-20 22:27:17,886 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-09-20 22:27:17,886 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 22:27:17,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 22:27:17,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 22:27:17,887 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_create [2019-09-20 22:27:17,887 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_remove_first [2019-09-20 22:27:17,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 22:27:17,887 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 22:27:17,887 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 22:27:17,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 22:27:17,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-20 22:27:17,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 22:27:17,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 22:27:17,888 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 22:27:18,379 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-20 22:27:18,718 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 22:27:18,718 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-09-20 22:27:18,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 10:27:18 BoogieIcfgContainer [2019-09-20 22:27:18,720 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 22:27:18,721 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 22:27:18,721 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 22:27:18,721 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 22:27:18,722 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 10:27:18" (1/1) ... [2019-09-20 22:27:18,723 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=AlwaysFluid ♦ 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=AlwaysFluid [2019-09-20 22:27:18,747 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 22:27:18,747 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 22:27:18,756 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 22:27:18,767 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 22:27:18,779 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 22:27:18,926 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 16 for LOIs [2019-09-20 22:27:19,101 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-20 22:27:19,672 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2019-09-20 22:27:20,077 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2019-09-20 22:27:20,398 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 37 [2019-09-20 22:27:21,561 WARN L191 SmtUtils]: Spent 781.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2019-09-20 22:27:22,404 WARN L191 SmtUtils]: Spent 774.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-09-20 22:27:23,015 WARN L191 SmtUtils]: Spent 585.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2019-09-20 22:27:23,664 WARN L191 SmtUtils]: Spent 604.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2019-09-20 22:27:24,157 WARN L191 SmtUtils]: Spent 438.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-09-20 22:27:24,547 WARN L191 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-09-20 22:27:25,167 WARN L191 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2019-09-20 22:27:25,694 WARN L191 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-20 22:27:26,124 WARN L191 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 70 [2019-09-20 22:27:26,496 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 69 [2019-09-20 22:27:27,440 WARN L191 SmtUtils]: Spent 888.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 118 [2019-09-20 22:27:27,442 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$ArrOccFinder.(ArrayOccurrenceAnalysis.java:181) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis.(ArrayOccurrenceAnalysis.java:74) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:275) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:253) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.eliminateOne(ElimStorePlain.java:553) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:466) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:216) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:306) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.quantifier(PartialQuantifierElimination.java:146) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$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) [2019-09-20 22:27:27,447 INFO L168 Benchmark]: Toolchain (without parser) took 10325.90 ms. Allocated memory was 135.8 MB in the beginning and 289.9 MB in the end (delta: 154.1 MB). Free memory was 89.3 MB in the beginning and 249.0 MB in the end (delta: -159.7 MB). Peak memory consumption was 153.4 MB. Max. memory is 7.1 GB. [2019-09-20 22:27:27,448 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 135.8 MB. Free memory was 108.9 MB in the beginning and 108.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 22:27:27,448 INFO L168 Benchmark]: CACSL2BoogieTranslator took 610.87 ms. Allocated memory was 135.8 MB in the beginning and 202.9 MB in the end (delta: 67.1 MB). Free memory was 89.1 MB in the beginning and 166.2 MB in the end (delta: -77.2 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. [2019-09-20 22:27:27,449 INFO L168 Benchmark]: Boogie Preprocessor took 66.23 ms. Allocated memory is still 202.9 MB. Free memory was 166.2 MB in the beginning and 163.3 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2019-09-20 22:27:27,450 INFO L168 Benchmark]: RCFGBuilder took 920.08 ms. Allocated memory is still 202.9 MB. Free memory was 163.3 MB in the beginning and 100.3 MB in the end (delta: 63.1 MB). Peak memory consumption was 63.1 MB. Max. memory is 7.1 GB. [2019-09-20 22:27:27,451 INFO L168 Benchmark]: Sifa took 8724.69 ms. Allocated memory was 202.9 MB in the beginning and 289.9 MB in the end (delta: 87.0 MB). Free memory was 100.3 MB in the beginning and 249.0 MB in the end (delta: -148.7 MB). Peak memory consumption was 97.3 MB. Max. memory is 7.1 GB. [2019-09-20 22:27:27,454 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 135.8 MB. Free memory was 108.9 MB in the beginning and 108.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 610.87 ms. Allocated memory was 135.8 MB in the beginning and 202.9 MB in the end (delta: 67.1 MB). Free memory was 89.1 MB in the beginning and 166.2 MB in the end (delta: -77.2 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 66.23 ms. Allocated memory is still 202.9 MB. Free memory was 166.2 MB in the beginning and 163.3 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 920.08 ms. Allocated memory is still 202.9 MB. Free memory was 163.3 MB in the beginning and 100.3 MB in the end (delta: 63.1 MB). Peak memory consumption was 63.1 MB. Max. memory is 7.1 GB. * Sifa took 8724.69 ms. Allocated memory was 202.9 MB in the beginning and 289.9 MB in the end (delta: 87.0 MB). Free memory was 100.3 MB in the beginning and 249.0 MB in the end (delta: -148.7 MB). Peak memory consumption was 97.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - ExceptionOrErrorResult: UnsupportedOperationException: expected NNF de.uni_freiburg.informatik.ultimate.plugins.sifa: UnsupportedOperationException: expected NNF: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis$ArrOccFinder$MyWalker.walk(ArrayOccurrenceAnalysis.java:236) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...