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 SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/list-simple/sll2c_remove_all_reverse.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 14:10:42,810 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 14:10:42,813 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 14:10:42,825 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 14:10:42,825 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 14:10:42,826 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 14:10:42,828 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 14:10:42,829 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 14:10:42,831 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 14:10:42,832 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 14:10:42,833 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 14:10:42,834 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 14:10:42,834 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 14:10:42,835 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 14:10:42,836 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 14:10:42,837 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 14:10:42,838 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 14:10:42,839 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 14:10:42,841 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 14:10:42,845 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 14:10:42,847 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 14:10:42,848 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 14:10:42,850 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 14:10:42,851 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 14:10:42,853 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 14:10:42,853 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 14:10:42,855 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 14:10:42,856 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 14:10:42,856 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 14:10:42,857 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 14:10:42,858 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 14:10:42,859 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 14:10:42,860 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 14:10:42,861 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 14:10:42,862 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 14:10:42,862 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 14:10:42,862 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 14:10:42,863 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 14:10:42,863 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 14:10:42,864 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 14:10:42,867 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 14:10:42,868 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 14:10:42,890 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 14:10:42,890 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 14:10:42,892 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 14:10:42,892 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 14:10:42,893 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 14:10:42,893 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 14:10:42,893 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 14:10:42,893 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 14:10:42,893 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 14:10:42,894 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 14:10:42,895 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 14:10:42,895 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 14:10:42,895 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 14:10:42,896 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 14:10:42,896 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 14:10:42,896 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 14:10:42,896 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 14:10:42,896 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 14:10:42,897 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 14:10:42,897 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 14:10:42,897 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 14:10:42,897 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 14:10:42,898 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 14:10:42,898 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 14:10:42,898 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 14:10:42,898 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 14:10:42,899 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 14:10:42,899 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 14:10:42,899 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 -> 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 [2019-09-20 14:10:42,937 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 14:10:42,954 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 14:10:42,959 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 14:10:42,961 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 14:10:42,961 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 14:10:42,962 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/sll2c_remove_all_reverse.i [2019-09-20 14:10:43,037 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d03d5eea/4ac36c95b20649cb8f462b7fa179fe38/FLAG380480c4f [2019-09-20 14:10:43,511 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 14:10:43,512 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/sll2c_remove_all_reverse.i [2019-09-20 14:10:43,528 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d03d5eea/4ac36c95b20649cb8f462b7fa179fe38/FLAG380480c4f [2019-09-20 14:10:43,866 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d03d5eea/4ac36c95b20649cb8f462b7fa179fe38 [2019-09-20 14:10:43,874 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 14:10:43,876 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 14:10:43,877 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 14:10:43,877 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 14:10:43,881 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 14:10:43,882 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:10:43" (1/1) ... [2019-09-20 14:10:43,885 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@446564c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:10:43, skipping insertion in model container [2019-09-20 14:10:43,885 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:10:43" (1/1) ... [2019-09-20 14:10:43,893 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 14:10:43,944 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 14:10:44,369 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 14:10:44,385 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 14:10:44,444 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 14:10:44,508 INFO L192 MainTranslator]: Completed translation [2019-09-20 14:10:44,508 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:10:44 WrapperNode [2019-09-20 14:10:44,509 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 14:10:44,510 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 14:10:44,510 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 14:10:44,510 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 14:10:44,523 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:10:44" (1/1) ... [2019-09-20 14:10:44,524 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:10:44" (1/1) ... [2019-09-20 14:10:44,539 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:10:44" (1/1) ... [2019-09-20 14:10:44,539 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:10:44" (1/1) ... [2019-09-20 14:10:44,557 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:10:44" (1/1) ... [2019-09-20 14:10:44,562 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:10:44" (1/1) ... [2019-09-20 14:10:44,566 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:10:44" (1/1) ... [2019-09-20 14:10:44,573 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 14:10:44,573 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 14:10:44,573 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 14:10:44,574 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 14:10:44,575 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:10:44" (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 14:10:44,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 14:10:44,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 14:10:44,636 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-20 14:10:44,636 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-20 14:10:44,636 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-20 14:10:44,637 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-09-20 14:10:44,637 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_create [2019-09-20 14:10:44,637 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_remove_last [2019-09-20 14:10:44,637 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 14:10:44,637 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 14:10:44,638 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-20 14:10:44,638 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-20 14:10:44,638 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-20 14:10:44,638 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-20 14:10:44,638 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-20 14:10:44,638 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-20 14:10:44,639 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-20 14:10:44,639 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-20 14:10:44,639 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-20 14:10:44,639 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-20 14:10:44,639 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-20 14:10:44,639 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-20 14:10:44,640 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-20 14:10:44,640 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-20 14:10:44,640 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-20 14:10:44,640 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-20 14:10:44,640 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-20 14:10:44,641 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-20 14:10:44,641 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-20 14:10:44,641 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-20 14:10:44,641 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-20 14:10:44,641 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-20 14:10:44,641 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-20 14:10:44,641 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-20 14:10:44,642 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-20 14:10:44,642 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-20 14:10:44,642 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-20 14:10:44,642 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-20 14:10:44,642 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-20 14:10:44,642 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-20 14:10:44,643 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-20 14:10:44,643 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-20 14:10:44,643 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-20 14:10:44,643 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-20 14:10:44,643 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-20 14:10:44,643 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-20 14:10:44,644 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-20 14:10:44,644 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-20 14:10:44,644 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-20 14:10:44,644 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-20 14:10:44,644 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-20 14:10:44,644 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-20 14:10:44,644 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-20 14:10:44,645 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-20 14:10:44,645 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-20 14:10:44,645 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-20 14:10:44,645 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-20 14:10:44,645 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-20 14:10:44,645 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-20 14:10:44,646 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-20 14:10:44,646 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-20 14:10:44,646 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-20 14:10:44,646 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 14:10:44,646 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-20 14:10:44,646 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-20 14:10:44,647 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 14:10:44,647 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-20 14:10:44,647 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-20 14:10:44,647 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-20 14:10:44,647 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-20 14:10:44,647 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-20 14:10:44,648 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-20 14:10:44,648 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-20 14:10:44,648 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-20 14:10:44,648 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-20 14:10:44,648 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-20 14:10:44,648 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-20 14:10:44,648 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-20 14:10:44,649 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-20 14:10:44,649 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-20 14:10:44,649 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-20 14:10:44,649 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-20 14:10:44,649 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-20 14:10:44,649 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-20 14:10:44,650 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-20 14:10:44,650 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-20 14:10:44,650 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-20 14:10:44,650 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-20 14:10:44,650 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-20 14:10:44,650 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-20 14:10:44,651 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-20 14:10:44,651 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-20 14:10:44,651 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-20 14:10:44,651 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-20 14:10:44,651 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-20 14:10:44,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-20 14:10:44,651 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-20 14:10:44,652 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-20 14:10:44,652 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-20 14:10:44,652 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-20 14:10:44,652 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-20 14:10:44,652 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-20 14:10:44,652 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-20 14:10:44,652 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-20 14:10:44,653 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-20 14:10:44,653 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-20 14:10:44,653 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-20 14:10:44,653 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-20 14:10:44,653 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-20 14:10:44,653 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-20 14:10:44,653 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-20 14:10:44,654 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-20 14:10:44,654 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-20 14:10:44,654 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-20 14:10:44,654 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-20 14:10:44,654 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-20 14:10:44,654 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-09-20 14:10:44,654 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 14:10:44,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 14:10:44,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 14:10:44,655 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_create [2019-09-20 14:10:44,655 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_remove_last [2019-09-20 14:10:44,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 14:10:44,655 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 14:10:44,656 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 14:10:44,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 14:10:44,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-20 14:10:44,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 14:10:44,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 14:10:44,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 14:10:44,962 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-20 14:10:45,240 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 14:10:45,240 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-20 14:10:45,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:10:45 BoogieIcfgContainer [2019-09-20 14:10:45,242 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 14:10:45,243 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 14:10:45,243 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 14:10:45,243 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 14:10:45,245 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:10:45" (1/1) ... [2019-09-20 14:10:45,246 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=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 14:10:45,282 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 14:10:45,282 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 14:10:45,293 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 14:10:45,304 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 14:10:45,315 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 14:10:45,469 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-20 14:10:45,777 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-20 14:10:47,067 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-20 14:10:47,282 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-20 14:10:47,453 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2019-09-20 14:10:47,629 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2019-09-20 14:10:47,792 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-09-20 14:10:47,970 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-09-20 14:10:48,143 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-20 14:10:48,292 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-09-20 14:10:48,431 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2019-09-20 14:10:48,560 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-09-20 14:10:48,704 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-09-20 14:10:48,911 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-09-20 14:10:49,110 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-20 14:10:49,285 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-20 14:10:49,445 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-20 14:10:49,589 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2019-09-20 14:10:49,723 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2019-09-20 14:10:49,986 WARN L191 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 58 [2019-09-20 14:10:50,109 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2019-09-20 14:10:50,427 WARN L191 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 83 [2019-09-20 14:10:50,974 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-09-20 14:10:51,122 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-20 14:10:51,620 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2019-09-20 14:10:52,077 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 46 [2019-09-20 14:10:52,341 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-09-20 14:10:52,524 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 53 [2019-09-20 14:10:53,003 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2019-09-20 14:10:53,769 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 52 [2019-09-20 14:10:54,009 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2019-09-20 14:10:55,364 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 146 DAG size of output: 116 [2019-09-20 14:10:55,841 WARN L191 SmtUtils]: Spent 435.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-09-20 14:10:56,347 WARN L191 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2019-09-20 14:10:56,766 WARN L191 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-20 14:10:57,266 WARN L191 SmtUtils]: Spent 433.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-20 14:10:57,683 WARN L191 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-09-20 14:10:59,791 WARN L191 SmtUtils]: Spent 2.06 s on a formula simplification that was a NOOP. DAG size: 211 [2019-09-20 14:11:01,840 WARN L191 SmtUtils]: Spent 2.05 s on a formula simplification that was a NOOP. DAG size: 211 [2019-09-20 14:11:02,395 WARN L191 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-09-20 14:11:05,742 WARN L191 SmtUtils]: Spent 3.25 s on a formula simplification. DAG size of input: 205 DAG size of output: 175 [2019-09-20 14:11:07,412 WARN L191 SmtUtils]: Spent 1.59 s on a formula simplification that was a NOOP. DAG size: 172 [2019-09-20 14:11:09,066 WARN L191 SmtUtils]: Spent 1.55 s on a formula simplification that was a NOOP. DAG size: 187 [2019-09-20 14:11:10,586 WARN L191 SmtUtils]: Spent 1.43 s on a formula simplification that was a NOOP. DAG size: 194 [2019-09-20 14:11:12,069 WARN L191 SmtUtils]: Spent 1.41 s on a formula simplification that was a NOOP. DAG size: 178 [2019-09-20 14:11:13,474 WARN L191 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 169 [2019-09-20 14:11:13,525 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 14:11:13,525 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 14:11:13,527 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 185#(and (not (< main_~i~0 main_~len~0)) (or (not (= (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|) 0)) (not (= (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|) 0)))) [2019-09-20 14:11:13,539 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 14:11:13,539 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 14:11:13,540 INFO L168 Benchmark]: Toolchain (without parser) took 29664.78 ms. Allocated memory was 136.3 MB in the beginning and 533.7 MB in the end (delta: 397.4 MB). Free memory was 81.1 MB in the beginning and 241.5 MB in the end (delta: -160.4 MB). Peak memory consumption was 237.0 MB. Max. memory is 7.1 GB. [2019-09-20 14:11:13,540 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 136.3 MB. Free memory was 101.2 MB in the beginning and 101.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 14:11:13,541 INFO L168 Benchmark]: CACSL2BoogieTranslator took 632.67 ms. Allocated memory was 136.3 MB in the beginning and 198.7 MB in the end (delta: 62.4 MB). Free memory was 80.9 MB in the beginning and 160.8 MB in the end (delta: -79.9 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB. [2019-09-20 14:11:13,542 INFO L168 Benchmark]: Boogie Preprocessor took 63.14 ms. Allocated memory is still 198.7 MB. Free memory was 160.8 MB in the beginning and 158.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2019-09-20 14:11:13,542 INFO L168 Benchmark]: RCFGBuilder took 669.26 ms. Allocated memory is still 198.7 MB. Free memory was 158.2 MB in the beginning and 105.7 MB in the end (delta: 52.5 MB). Peak memory consumption was 52.5 MB. Max. memory is 7.1 GB. [2019-09-20 14:11:13,542 INFO L168 Benchmark]: Sifa took 28296.26 ms. Allocated memory was 198.7 MB in the beginning and 533.7 MB in the end (delta: 335.0 MB). Free memory was 105.7 MB in the beginning and 241.5 MB in the end (delta: -135.8 MB). Peak memory consumption was 199.2 MB. Max. memory is 7.1 GB. [2019-09-20 14:11:13,544 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 136.3 MB. Free memory was 101.2 MB in the beginning and 101.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 632.67 ms. Allocated memory was 136.3 MB in the beginning and 198.7 MB in the end (delta: 62.4 MB). Free memory was 80.9 MB in the beginning and 160.8 MB in the end (delta: -79.9 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 63.14 ms. Allocated memory is still 198.7 MB. Free memory was 160.8 MB in the beginning and 158.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 669.26 ms. Allocated memory is still 198.7 MB. Free memory was 158.2 MB in the beginning and 105.7 MB in the end (delta: 52.5 MB). Peak memory consumption was 52.5 MB. Max. memory is 7.1 GB. * Sifa took 28296.26 ms. Allocated memory was 198.7 MB in the beginning and 533.7 MB in the end (delta: 335.0 MB). Free memory was 105.7 MB in the beginning and 241.5 MB in the end (delta: -135.8 MB). Peak memory consumption was 199.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 28246, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 82, DAG_INTERPRETER_EARLY_EXITS: 2, TOOLS_POST_APPLICATIONS: 66, TOOLS_POST_TIME[ms]: 2618, TOOLS_POST_CALL_APPLICATIONS: 12, TOOLS_POST_CALL_TIME[ms]: 955, TOOLS_POST_RETURN_APPLICATIONS: 11, TOOLS_POST_RETURN_TIME[ms]: 16497, TOOLS_QUANTIFIERELIM_APPLICATIONS: 84, TOOLS_QUANTIFIERELIM_TIME[ms]: 20024, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 11079, FLUID_QUERY_TIME[ms]: 7, FLUID_QUERIES: 97, FLUID_YES_ANSWERS: 2, DOMAIN_JOIN_APPLICATIONS: 27, DOMAIN_JOIN_TIME[ms]: 2144, DOMAIN_ALPHA_APPLICATIONS: 2, DOMAIN_ALPHA_TIME[ms]: 7, DOMAIN_WIDEN_APPLICATIONS: 11, DOMAIN_WIDEN_TIME[ms]: 5842, DOMAIN_ISSUBSETEQ_APPLICATIONS: 15, DOMAIN_ISSUBSETEQ_TIME[ms]: 33, DOMAIN_ISBOTTOM_APPLICATIONS: 10, DOMAIN_ISBOTTOM_TIME[ms]: 21, LOOP_SUMMARIZER_APPLICATIONS: 4, LOOP_SUMMARIZER_CACHE_MISSES: 4, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 26493, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 26492, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 15, CALL_SUMMARIZER_APPLICATIONS: 11, CALL_SUMMARIZER_CACHE_MISSES: 5, CALL_SUMMARIZER_OVERALL_TIME[ms]: 8526, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 8526, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 27, DAG_COMPRESSION_PROCESSED_NODES: 151, DAG_COMPRESSION_RETAINED_NODES: 77 - UnprovableResult [Line: 613]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 185#(and (not (< main_~i~0 main_~len~0)) (or (not (= (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|) 0)) (not (= (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|) 0)))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...