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 CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/list-simple/sll2c_append_equal.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 09:55:06,827 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 09:55:06,830 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 09:55:06,842 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 09:55:06,842 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 09:55:06,843 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 09:55:06,844 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 09:55:06,846 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 09:55:06,848 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 09:55:06,849 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 09:55:06,850 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 09:55:06,851 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 09:55:06,852 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 09:55:06,853 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 09:55:06,854 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 09:55:06,855 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 09:55:06,856 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 09:55:06,857 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 09:55:06,859 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 09:55:06,861 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 09:55:06,863 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 09:55:06,864 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 09:55:06,865 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 09:55:06,866 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 09:55:06,869 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-21 09:55:06,870 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-21 09:55:06,870 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-21 09:55:06,871 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-21 09:55:06,872 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-21 09:55:06,873 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-21 09:55:06,873 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 09:55:06,874 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 09:55:06,875 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 09:55:06,876 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 09:55:06,877 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 09:55:06,877 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 09:55:06,878 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 09:55:06,878 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 09:55:06,879 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 09:55:06,880 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 09:55:06,881 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 09:55:06,881 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 [2019-09-21 09:55:06,908 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 09:55:06,908 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 09:55:06,910 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 09:55:06,910 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 09:55:06,911 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 09:55:06,911 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 09:55:06,911 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 09:55:06,911 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 09:55:06,912 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 09:55:06,912 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 09:55:06,912 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 09:55:06,912 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 09:55:06,912 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 09:55:06,913 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 09:55:06,913 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 09:55:06,913 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 09:55:06,914 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 09:55:06,914 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 09:55:06,915 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 09:55:06,915 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 09:55:06,915 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 09:55:06,915 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 09:55:06,916 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 09:55:06,916 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 09:55:06,916 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 09:55:06,916 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 09:55:06,916 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 09:55:06,917 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 09:55:06,917 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain 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 -> 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_QUICK [2019-09-21 09:55:06,961 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 09:55:06,975 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 09:55:06,979 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 09:55:06,981 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 09:55:06,981 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 09:55:06,982 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/sll2c_append_equal.i [2019-09-21 09:55:07,050 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c0ecc84b/1c71fd1d125842ea9659b45366b0afd1/FLAGa5cf46e37 [2019-09-21 09:55:07,659 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 09:55:07,660 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/sll2c_append_equal.i [2019-09-21 09:55:07,683 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c0ecc84b/1c71fd1d125842ea9659b45366b0afd1/FLAGa5cf46e37 [2019-09-21 09:55:07,919 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c0ecc84b/1c71fd1d125842ea9659b45366b0afd1 [2019-09-21 09:55:07,931 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 09:55:07,932 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 09:55:07,934 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 09:55:07,934 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 09:55:07,938 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 09:55:07,939 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:55:07" (1/1) ... [2019-09-21 09:55:07,942 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22416d02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:55:07, skipping insertion in model container [2019-09-21 09:55:07,942 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:55:07" (1/1) ... [2019-09-21 09:55:07,951 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 09:55:08,009 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 09:55:08,547 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:55:08,557 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 09:55:08,599 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:55:08,668 INFO L192 MainTranslator]: Completed translation [2019-09-21 09:55:08,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:55:08 WrapperNode [2019-09-21 09:55:08,669 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 09:55:08,670 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 09:55:08,670 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 09:55:08,670 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 09:55:08,681 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:55:08" (1/1) ... [2019-09-21 09:55:08,681 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:55:08" (1/1) ... [2019-09-21 09:55:08,699 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:55:08" (1/1) ... [2019-09-21 09:55:08,700 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:55:08" (1/1) ... [2019-09-21 09:55:08,720 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:55:08" (1/1) ... [2019-09-21 09:55:08,727 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:55:08" (1/1) ... [2019-09-21 09:55:08,733 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:55:08" (1/1) ... [2019-09-21 09:55:08,744 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 09:55:08,745 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 09:55:08,745 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 09:55:08,745 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 09:55:08,746 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:55:08" (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 [2019-09-21 09:55:08,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 09:55:08,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 09:55:08,804 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-21 09:55:08,804 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-21 09:55:08,805 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-21 09:55:08,806 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-09-21 09:55:08,806 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_create [2019-09-21 09:55:08,806 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_destroy [2019-09-21 09:55:08,807 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_append [2019-09-21 09:55:08,807 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 09:55:08,807 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 09:55:08,808 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-21 09:55:08,808 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-21 09:55:08,809 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-21 09:55:08,809 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-21 09:55:08,809 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-21 09:55:08,812 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-21 09:55:08,812 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-21 09:55:08,812 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-21 09:55:08,813 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-21 09:55:08,813 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-21 09:55:08,813 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-21 09:55:08,813 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-21 09:55:08,813 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-21 09:55:08,814 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-21 09:55:08,814 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-21 09:55:08,814 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-21 09:55:08,814 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-21 09:55:08,815 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-21 09:55:08,815 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-21 09:55:08,815 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-21 09:55:08,815 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-21 09:55:08,815 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-21 09:55:08,815 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-21 09:55:08,816 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-21 09:55:08,816 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-21 09:55:08,816 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-21 09:55:08,817 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-21 09:55:08,817 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-21 09:55:08,817 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-21 09:55:08,817 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-21 09:55:08,818 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-21 09:55:08,818 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-21 09:55:08,818 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-21 09:55:08,818 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-21 09:55:08,818 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-21 09:55:08,818 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-21 09:55:08,819 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-21 09:55:08,819 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-21 09:55:08,819 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-21 09:55:08,819 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-21 09:55:08,819 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-21 09:55:08,819 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-21 09:55:08,820 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-21 09:55:08,820 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-21 09:55:08,820 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-21 09:55:08,820 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-21 09:55:08,820 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-21 09:55:08,821 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-21 09:55:08,821 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-21 09:55:08,821 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-21 09:55:08,822 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-21 09:55:08,822 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-21 09:55:08,822 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-21 09:55:08,822 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-21 09:55:08,822 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-21 09:55:08,822 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-21 09:55:08,822 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-21 09:55:08,823 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-21 09:55:08,824 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-21 09:55:08,824 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-21 09:55:08,824 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-21 09:55:08,824 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-21 09:55:08,825 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-21 09:55:08,825 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-21 09:55:08,825 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-21 09:55:08,826 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-21 09:55:08,826 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-21 09:55:08,826 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-21 09:55:08,826 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-21 09:55:08,827 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-21 09:55:08,827 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-21 09:55:08,828 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-21 09:55:08,828 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-21 09:55:08,828 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-21 09:55:08,828 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-21 09:55:08,828 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-21 09:55:08,829 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-21 09:55:08,829 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-21 09:55:08,829 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-21 09:55:08,830 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-21 09:55:08,830 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-21 09:55:08,830 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-21 09:55:08,830 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-21 09:55:08,830 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-21 09:55:08,830 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-21 09:55:08,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-21 09:55:08,831 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-21 09:55:08,832 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-21 09:55:08,832 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-21 09:55:08,832 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-21 09:55:08,832 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-21 09:55:08,832 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-21 09:55:08,832 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-21 09:55:08,832 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-21 09:55:08,833 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-21 09:55:08,833 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-21 09:55:08,833 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-21 09:55:08,833 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-21 09:55:08,833 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-21 09:55:08,833 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-21 09:55:08,833 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-21 09:55:08,834 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-21 09:55:08,834 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-21 09:55:08,834 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-21 09:55:08,834 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-21 09:55:08,835 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-21 09:55:08,835 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-09-21 09:55:08,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-21 09:55:08,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-21 09:55:08,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-21 09:55:08,836 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_create [2019-09-21 09:55:08,836 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_destroy [2019-09-21 09:55:08,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-21 09:55:08,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-21 09:55:08,836 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_append [2019-09-21 09:55:08,837 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 09:55:08,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-21 09:55:08,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-21 09:55:08,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-21 09:55:08,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 09:55:08,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 09:55:09,251 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-21 09:55:09,622 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 09:55:09,623 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-21 09:55:09,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:55:09 BoogieIcfgContainer [2019-09-21 09:55:09,624 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 09:55:09,625 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 09:55:09,625 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 09:55:09,625 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 09:55:09,627 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:55:09" (1/1) ... [2019-09-21 09:55:09,627 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=CompoundDomain ♦ 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=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-21 09:55:09,653 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 09:55:09,653 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 09:55:09,661 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 09:55:09,669 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 09:55:09,671 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 09:55:09,842 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 27 for LOIs [2019-09-21 09:55:10,015 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-21 09:55:10,119 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 09:55:11,326 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 09:55:12,482 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 09:55:14,206 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 09:55:14,255 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 09:55:15,261 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 09:55:16,607 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 09:55:18,497 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 298 [2019-09-21 09:55:19,078 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 09:55:20,338 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 09:55:20,587 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 09:55:21,754 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 143 [2019-09-21 09:55:22,068 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 09:55:23,379 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 09:55:23,755 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 297 [2019-09-21 09:55:24,760 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 09:55:24,888 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 09:55:25,338 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 09:55:26,664 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 09:55:30,060 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 09:55:30,121 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 09:55:32,617 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 456 DAG size of output: 455 [2019-09-21 09:55:34,473 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 09:55:37,074 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 09:55:37,255 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 09:55:37,863 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 09:55:38,081 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 09:55:38,261 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-21 09:55:39,096 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 46 [2019-09-21 09:55:39,129 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.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.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) [2019-09-21 09:55:39,137 INFO L168 Benchmark]: Toolchain (without parser) took 31204.92 ms. Allocated memory was 140.5 MB in the beginning and 884.5 MB in the end (delta: 744.0 MB). Free memory was 85.3 MB in the beginning and 603.7 MB in the end (delta: -518.4 MB). Peak memory consumption was 225.6 MB. Max. memory is 7.1 GB. [2019-09-21 09:55:39,137 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 140.5 MB. Free memory was 105.2 MB in the beginning and 105.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-21 09:55:39,138 INFO L168 Benchmark]: CACSL2BoogieTranslator took 735.51 ms. Allocated memory was 140.5 MB in the beginning and 200.3 MB in the end (delta: 59.8 MB). Free memory was 85.1 MB in the beginning and 162.3 MB in the end (delta: -77.1 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB. [2019-09-21 09:55:39,138 INFO L168 Benchmark]: Boogie Preprocessor took 74.54 ms. Allocated memory is still 200.3 MB. Free memory was 162.3 MB in the beginning and 159.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. [2019-09-21 09:55:39,138 INFO L168 Benchmark]: RCFGBuilder took 879.90 ms. Allocated memory is still 200.3 MB. Free memory was 159.2 MB in the beginning and 103.2 MB in the end (delta: 56.0 MB). Peak memory consumption was 56.0 MB. Max. memory is 7.1 GB. [2019-09-21 09:55:39,138 INFO L168 Benchmark]: Sifa took 29510.46 ms. Allocated memory was 200.3 MB in the beginning and 884.5 MB in the end (delta: 684.2 MB). Free memory was 103.2 MB in the beginning and 603.7 MB in the end (delta: -500.5 MB). Peak memory consumption was 183.7 MB. Max. memory is 7.1 GB. [2019-09-21 09:55:39,142 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 140.5 MB. Free memory was 105.2 MB in the beginning and 105.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 735.51 ms. Allocated memory was 140.5 MB in the beginning and 200.3 MB in the end (delta: 59.8 MB). Free memory was 85.1 MB in the beginning and 162.3 MB in the end (delta: -77.1 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 74.54 ms. Allocated memory is still 200.3 MB. Free memory was 162.3 MB in the beginning and 159.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 879.90 ms. Allocated memory is still 200.3 MB. Free memory was 159.2 MB in the beginning and 103.2 MB in the end (delta: 56.0 MB). Peak memory consumption was 56.0 MB. Max. memory is 7.1 GB. * Sifa took 29510.46 ms. Allocated memory was 200.3 MB in the beginning and 884.5 MB in the end (delta: 684.2 MB). Free memory was 103.2 MB in the beginning and 603.7 MB in the end (delta: -500.5 MB). Peak memory consumption was 183.7 MB. 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...