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 ReUseSupersetCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/list-simple/dll2n_update_all.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-18 21:43:54,088 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-18 21:43:54,090 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-18 21:43:54,103 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-18 21:43:54,103 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-18 21:43:54,104 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-18 21:43:54,106 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-18 21:43:54,107 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-18 21:43:54,109 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-18 21:43:54,110 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-18 21:43:54,111 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-18 21:43:54,112 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-18 21:43:54,112 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-18 21:43:54,113 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-18 21:43:54,114 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-18 21:43:54,115 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-18 21:43:54,116 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-18 21:43:54,117 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-18 21:43:54,119 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-18 21:43:54,120 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-18 21:43:54,122 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-18 21:43:54,123 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-18 21:43:54,124 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-18 21:43:54,124 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-18 21:43:54,126 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-18 21:43:54,127 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-18 21:43:54,127 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-18 21:43:54,128 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-18 21:43:54,128 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-18 21:43:54,129 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-18 21:43:54,129 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-18 21:43:54,130 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-18 21:43:54,131 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-18 21:43:54,131 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-18 21:43:54,132 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-18 21:43:54,133 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-18 21:43:54,133 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-18 21:43:54,133 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-18 21:43:54,134 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-18 21:43:54,135 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-18 21:43:54,135 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-18 21:43:54,136 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 [2019-09-18 21:43:54,150 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-18 21:43:54,150 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-18 21:43:54,152 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-18 21:43:54,152 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-18 21:43:54,152 INFO L138 SettingsManager]: * Use SBE=true [2019-09-18 21:43:54,152 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-18 21:43:54,152 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-18 21:43:54,153 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-18 21:43:54,153 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-18 21:43:54,153 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-18 21:43:54,153 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-18 21:43:54,153 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-18 21:43:54,154 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-18 21:43:54,154 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-18 21:43:54,154 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-18 21:43:54,154 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-18 21:43:54,154 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-18 21:43:54,155 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-18 21:43:54,155 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-18 21:43:54,155 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-18 21:43:54,155 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-18 21:43:54,155 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 21:43:54,156 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-18 21:43:54,156 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-18 21:43:54,156 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-18 21:43:54,156 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-18 21:43:54,157 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-18 21:43:54,157 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-18 21:43:54,157 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 -> ReUseSupersetCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-18 21:43:54,190 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-18 21:43:54,203 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-18 21:43:54,207 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-18 21:43:54,208 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-18 21:43:54,209 INFO L275 PluginConnector]: CDTParser initialized [2019-09-18 21:43:54,209 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/dll2n_update_all.i [2019-09-18 21:43:54,272 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7aaeb75e5/95e3db960bfe47d69b088d29d6749e9c/FLAG4ab110736 [2019-09-18 21:43:54,842 INFO L306 CDTParser]: Found 1 translation units. [2019-09-18 21:43:54,842 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/dll2n_update_all.i [2019-09-18 21:43:54,860 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7aaeb75e5/95e3db960bfe47d69b088d29d6749e9c/FLAG4ab110736 [2019-09-18 21:43:55,111 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7aaeb75e5/95e3db960bfe47d69b088d29d6749e9c [2019-09-18 21:43:55,124 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-18 21:43:55,125 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-18 21:43:55,126 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-18 21:43:55,127 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-18 21:43:55,130 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-18 21:43:55,131 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 09:43:55" (1/1) ... [2019-09-18 21:43:55,133 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26991eb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:43:55, skipping insertion in model container [2019-09-18 21:43:55,133 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 09:43:55" (1/1) ... [2019-09-18 21:43:55,140 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-18 21:43:55,192 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-18 21:43:55,643 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 21:43:55,654 INFO L188 MainTranslator]: Completed pre-run [2019-09-18 21:43:55,730 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 21:43:55,781 INFO L192 MainTranslator]: Completed translation [2019-09-18 21:43:55,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:43:55 WrapperNode [2019-09-18 21:43:55,782 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-18 21:43:55,782 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-18 21:43:55,782 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-18 21:43:55,783 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-18 21:43:55,797 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:43:55" (1/1) ... [2019-09-18 21:43:55,798 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:43:55" (1/1) ... [2019-09-18 21:43:55,815 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:43:55" (1/1) ... [2019-09-18 21:43:55,815 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:43:55" (1/1) ... [2019-09-18 21:43:55,833 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:43:55" (1/1) ... [2019-09-18 21:43:55,843 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:43:55" (1/1) ... [2019-09-18 21:43:55,847 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:43:55" (1/1) ... [2019-09-18 21:43:55,855 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-18 21:43:55,859 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-18 21:43:55,860 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-18 21:43:55,860 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-18 21:43:55,861 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:43:55" (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 [2019-09-18 21:43:55,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-18 21:43:55,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-18 21:43:55,921 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-18 21:43:55,921 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-18 21:43:55,921 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-18 21:43:55,922 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-09-18 21:43:55,922 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create [2019-09-18 21:43:55,922 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy [2019-09-18 21:43:55,922 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_get_data_at [2019-09-18 21:43:55,922 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_update_at [2019-09-18 21:43:55,923 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-18 21:43:55,923 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-18 21:43:55,923 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-18 21:43:55,923 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-18 21:43:55,923 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-18 21:43:55,924 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-18 21:43:55,924 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-18 21:43:55,924 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-18 21:43:55,924 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-18 21:43:55,924 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-18 21:43:55,924 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-18 21:43:55,925 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-18 21:43:55,925 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-18 21:43:55,925 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-18 21:43:55,925 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-18 21:43:55,925 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-18 21:43:55,926 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-18 21:43:55,926 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-18 21:43:55,926 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-18 21:43:55,926 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-18 21:43:55,926 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-18 21:43:55,926 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-18 21:43:55,926 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-18 21:43:55,927 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-18 21:43:55,927 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-18 21:43:55,927 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-18 21:43:55,927 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-18 21:43:55,927 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-18 21:43:55,928 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-18 21:43:55,928 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-18 21:43:55,928 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-18 21:43:55,928 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-18 21:43:55,928 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-18 21:43:55,928 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-18 21:43:55,928 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-18 21:43:55,929 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-18 21:43:55,929 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-18 21:43:55,929 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-18 21:43:55,929 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-18 21:43:55,929 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-18 21:43:55,929 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-18 21:43:55,930 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-18 21:43:55,930 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-18 21:43:55,930 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-18 21:43:55,930 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-18 21:43:55,930 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-18 21:43:55,930 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-18 21:43:55,930 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-18 21:43:55,931 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-18 21:43:55,931 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-18 21:43:55,931 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-18 21:43:55,931 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-18 21:43:55,931 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-18 21:43:55,931 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-18 21:43:55,932 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-18 21:43:55,932 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-18 21:43:55,932 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-18 21:43:55,932 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-18 21:43:55,932 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-18 21:43:55,932 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-18 21:43:55,933 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-18 21:43:55,933 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-18 21:43:55,933 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-18 21:43:55,933 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-18 21:43:55,933 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-18 21:43:55,933 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-18 21:43:55,934 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-18 21:43:55,934 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-18 21:43:55,934 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-18 21:43:55,934 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-18 21:43:55,934 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-18 21:43:55,934 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-18 21:43:55,934 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-18 21:43:55,935 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-18 21:43:55,935 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-18 21:43:55,935 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-18 21:43:55,935 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-18 21:43:55,935 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-18 21:43:55,935 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-18 21:43:55,936 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-18 21:43:55,936 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-18 21:43:55,936 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-18 21:43:55,936 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-18 21:43:55,936 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-18 21:43:55,936 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-18 21:43:55,937 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-18 21:43:55,937 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-18 21:43:55,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-18 21:43:55,937 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-18 21:43:55,937 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-18 21:43:55,937 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-18 21:43:55,937 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-18 21:43:55,938 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-18 21:43:55,938 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-18 21:43:55,938 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-18 21:43:55,938 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-18 21:43:55,938 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-18 21:43:55,938 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-18 21:43:55,938 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-18 21:43:55,939 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-18 21:43:55,939 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-18 21:43:55,939 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-18 21:43:55,939 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-18 21:43:55,939 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-18 21:43:55,939 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-18 21:43:55,939 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-18 21:43:55,940 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-18 21:43:55,940 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-18 21:43:55,940 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-09-18 21:43:55,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-18 21:43:55,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-18 21:43:55,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-18 21:43:55,941 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create [2019-09-18 21:43:55,941 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy [2019-09-18 21:43:55,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-18 21:43:55,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-18 21:43:55,941 INFO L130 BoogieDeclarations]: Found specification of procedure dll_get_data_at [2019-09-18 21:43:55,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-18 21:43:55,941 INFO L130 BoogieDeclarations]: Found specification of procedure dll_update_at [2019-09-18 21:43:55,942 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-18 21:43:55,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-18 21:43:55,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-18 21:43:56,360 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-18 21:43:56,670 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-18 21:43:56,671 INFO L283 CfgBuilder]: Removed 6 assume(true) statements. [2019-09-18 21:43:56,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 09:43:56 BoogieIcfgContainer [2019-09-18 21:43:56,672 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-18 21:43:56,673 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-18 21:43:56,673 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-18 21:43:56,674 INFO L275 PluginConnector]: Sifa initialized [2019-09-18 21:43:56,675 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 09:43:56" (1/1) ... [2019-09-18 21:43:56,676 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ 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=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-18 21:43:56,706 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-18 21:43:56,706 INFO L169 IcfgInterpreter]: Building call graph [2019-09-18 21:43:56,725 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-18 21:43:56,739 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-18 21:43:56,742 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-18 21:43:56,923 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-18 21:43:57,725 WARN L191 SmtUtils]: Spent 735.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 86 [2019-09-18 21:43:57,885 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-09-18 21:43:57,995 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-09-18 21:44:04,186 WARN L191 SmtUtils]: Spent 5.91 s on a formula simplification. DAG size of input: 178 DAG size of output: 161 [2019-09-18 21:44:06,903 WARN L191 SmtUtils]: Spent 2.69 s on a formula simplification that was a NOOP. DAG size: 158 [2019-09-18 21:44:09,619 WARN L191 SmtUtils]: Spent 2.68 s on a formula simplification that was a NOOP. DAG size: 155 [2019-09-18 21:44:11,768 WARN L191 SmtUtils]: Spent 2.13 s on a formula simplification that was a NOOP. DAG size: 150 [2019-09-18 21:44:13,716 WARN L191 SmtUtils]: Spent 1.92 s on a formula simplification that was a NOOP. DAG size: 148 [2019-09-18 21:44:15,966 WARN L191 SmtUtils]: Spent 2.15 s on a formula simplification that was a NOOP. DAG size: 175 [2019-09-18 21:44:16,076 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-18 21:44:16,087 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-18 21:44:16,182 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-18 21:44:19,129 WARN L191 SmtUtils]: Spent 2.92 s on a formula simplification. DAG size of input: 106 DAG size of output: 104 [2019-09-18 21:44:20,505 WARN L191 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 98 [2019-09-18 21:44:21,556 WARN L191 SmtUtils]: Spent 823.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-09-18 21:44:22,098 WARN L191 SmtUtils]: Spent 438.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-09-18 21:44:22,627 WARN L191 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-09-18 21:44:23,445 WARN L191 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-18 21:44:24,096 WARN L191 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 74 [2019-09-18 21:44:24,465 WARN L191 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 79 [2019-09-18 21:44:24,525 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-18 21:44:25,225 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 55 [2019-09-18 21:44:25,424 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 58 [2019-09-18 21:44:25,489 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.sifa has thrown an exception: java.lang.AssertionError: This case should habe been handled by DER at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.DerPreprocessor.classify(DerPreprocessor.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.DerPreprocessor.classify(DerPreprocessor.java:192) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.DerPreprocessor.(DerPreprocessor.java:95) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:291) 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.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.strongestPostconditionReturn(PredicateTransformer.java:202) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.postReturn(SymbolicTools.java:147) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:232) 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) [2019-09-18 21:44:25,494 INFO L168 Benchmark]: Toolchain (without parser) took 30368.31 ms. Allocated memory was 134.7 MB in the beginning and 312.5 MB in the end (delta: 177.7 MB). Free memory was 88.0 MB in the beginning and 212.8 MB in the end (delta: -124.7 MB). Peak memory consumption was 53.0 MB. Max. memory is 7.1 GB. [2019-09-18 21:44:25,495 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 134.7 MB. Free memory was 107.9 MB in the beginning and 107.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-09-18 21:44:25,496 INFO L168 Benchmark]: CACSL2BoogieTranslator took 655.54 ms. Allocated memory was 134.7 MB in the beginning and 201.9 MB in the end (delta: 67.1 MB). Free memory was 87.8 MB in the beginning and 164.9 MB in the end (delta: -77.0 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB. [2019-09-18 21:44:25,496 INFO L168 Benchmark]: Boogie Preprocessor took 72.60 ms. Allocated memory is still 201.9 MB. Free memory was 164.9 MB in the beginning and 161.9 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2019-09-18 21:44:25,497 INFO L168 Benchmark]: RCFGBuilder took 813.36 ms. Allocated memory is still 201.9 MB. Free memory was 161.9 MB in the beginning and 102.7 MB in the end (delta: 59.2 MB). Peak memory consumption was 59.2 MB. Max. memory is 7.1 GB. [2019-09-18 21:44:25,498 INFO L168 Benchmark]: Sifa took 28819.15 ms. Allocated memory was 201.9 MB in the beginning and 312.5 MB in the end (delta: 110.6 MB). Free memory was 102.7 MB in the beginning and 212.8 MB in the end (delta: -110.0 MB). Peak memory consumption was 614.5 kB. Max. memory is 7.1 GB. [2019-09-18 21:44:25,503 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 134.7 MB. Free memory was 107.9 MB in the beginning and 107.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 655.54 ms. Allocated memory was 134.7 MB in the beginning and 201.9 MB in the end (delta: 67.1 MB). Free memory was 87.8 MB in the beginning and 164.9 MB in the end (delta: -77.0 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 72.60 ms. Allocated memory is still 201.9 MB. Free memory was 164.9 MB in the beginning and 161.9 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 813.36 ms. Allocated memory is still 201.9 MB. Free memory was 161.9 MB in the beginning and 102.7 MB in the end (delta: 59.2 MB). Peak memory consumption was 59.2 MB. Max. memory is 7.1 GB. * Sifa took 28819.15 ms. Allocated memory was 201.9 MB in the beginning and 312.5 MB in the end (delta: 110.6 MB). Free memory was 102.7 MB in the beginning and 212.8 MB in the end (delta: -110.0 MB). Peak memory consumption was 614.5 kB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - ExceptionOrErrorResult: AssertionError: This case should habe been handled by DER de.uni_freiburg.informatik.ultimate.plugins.sifa: AssertionError: This case should habe been handled by DER: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.DerPreprocessor.classify(DerPreprocessor.java:212) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...