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_DDA -i ../../../trunk/examples/svcomp/list-simple/dll2n_update_all.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-17 16:42:55,813 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 16:42:55,815 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 16:42:55,835 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 16:42:55,835 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 16:42:55,837 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 16:42:55,840 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 16:42:55,853 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 16:42:55,855 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 16:42:55,856 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 16:42:55,859 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 16:42:55,861 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 16:42:55,862 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 16:42:55,866 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 16:42:55,868 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 16:42:55,870 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 16:42:55,872 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 16:42:55,876 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 16:42:55,878 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 16:42:55,884 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 16:42:55,886 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 16:42:55,889 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 16:42:55,893 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 16:42:55,894 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 16:42:55,896 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-17 16:42:55,896 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-17 16:42:55,897 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-17 16:42:55,899 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-17 16:42:55,900 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-17 16:42:55,902 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-17 16:42:55,902 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-17 16:42:55,904 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-17 16:42:55,905 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-17 16:42:55,905 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-17 16:42:55,910 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-17 16:42:55,910 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-17 16:42:55,911 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-17 16:42:55,911 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-17 16:42:55,911 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 16:42:55,912 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 16:42:55,913 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 16:42:55,914 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 [2019-09-17 16:42:55,938 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 16:42:55,939 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 16:42:55,941 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 16:42:55,942 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 16:42:55,942 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 16:42:55,942 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 16:42:55,942 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 16:42:55,943 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 16:42:55,943 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 16:42:55,943 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 16:42:55,944 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 16:42:55,944 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 16:42:55,945 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 16:42:55,945 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 16:42:55,945 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 16:42:55,945 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 16:42:55,946 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 16:42:55,946 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 16:42:55,946 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 16:42:55,946 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 16:42:55,946 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 16:42:55,947 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 16:42:55,947 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 16:42:55,947 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 16:42:55,948 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 16:42:55,948 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 16:42:55,948 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 16:42:55,948 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 16:42:55,948 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_DDA [2019-09-17 16:42:56,004 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 16:42:56,023 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 16:42:56,029 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 16:42:56,031 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 16:42:56,032 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 16:42:56,033 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/dll2n_update_all.i [2019-09-17 16:42:56,108 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb0ff6ecb/b4d3ea396ca44fddb1602f27bd4dfe4c/FLAGcab29c350 [2019-09-17 16:42:56,623 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 16:42:56,624 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/dll2n_update_all.i [2019-09-17 16:42:56,649 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb0ff6ecb/b4d3ea396ca44fddb1602f27bd4dfe4c/FLAGcab29c350 [2019-09-17 16:42:56,873 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb0ff6ecb/b4d3ea396ca44fddb1602f27bd4dfe4c [2019-09-17 16:42:56,886 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 16:42:56,888 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 16:42:56,891 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 16:42:56,891 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 16:42:56,895 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 16:42:56,896 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 04:42:56" (1/1) ... [2019-09-17 16:42:56,899 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@df941c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:42:56, skipping insertion in model container [2019-09-17 16:42:56,900 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 04:42:56" (1/1) ... [2019-09-17 16:42:56,908 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 16:42:56,967 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 16:42:57,409 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 16:42:57,420 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 16:42:57,497 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 16:42:57,562 INFO L192 MainTranslator]: Completed translation [2019-09-17 16:42:57,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:42:57 WrapperNode [2019-09-17 16:42:57,564 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 16:42:57,564 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 16:42:57,565 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 16:42:57,565 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 16:42:57,575 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:42:57" (1/1) ... [2019-09-17 16:42:57,575 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:42:57" (1/1) ... [2019-09-17 16:42:57,596 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:42:57" (1/1) ... [2019-09-17 16:42:57,596 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:42:57" (1/1) ... [2019-09-17 16:42:57,614 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:42:57" (1/1) ... [2019-09-17 16:42:57,622 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:42:57" (1/1) ... [2019-09-17 16:42:57,625 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:42:57" (1/1) ... [2019-09-17 16:42:57,632 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 16:42:57,633 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 16:42:57,633 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 16:42:57,634 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 16:42:57,635 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:42:57" (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 [2019-09-17 16:42:57,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 16:42:57,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 16:42:57,695 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-17 16:42:57,695 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-17 16:42:57,696 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-17 16:42:57,696 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-09-17 16:42:57,696 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create [2019-09-17 16:42:57,696 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy [2019-09-17 16:42:57,696 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_get_data_at [2019-09-17 16:42:57,696 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_update_at [2019-09-17 16:42:57,697 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 16:42:57,697 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 16:42:57,697 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-17 16:42:57,697 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-17 16:42:57,697 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-17 16:42:57,698 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-17 16:42:57,698 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-17 16:42:57,698 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-17 16:42:57,698 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-17 16:42:57,698 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-17 16:42:57,699 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-17 16:42:57,699 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-17 16:42:57,699 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-17 16:42:57,699 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-17 16:42:57,699 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-17 16:42:57,699 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-17 16:42:57,700 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-17 16:42:57,700 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-17 16:42:57,700 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-17 16:42:57,700 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-17 16:42:57,700 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-17 16:42:57,700 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-17 16:42:57,701 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-17 16:42:57,701 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-17 16:42:57,701 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-17 16:42:57,701 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-17 16:42:57,701 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-17 16:42:57,701 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-17 16:42:57,702 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-17 16:42:57,702 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-17 16:42:57,702 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-17 16:42:57,702 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-17 16:42:57,702 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-17 16:42:57,702 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-17 16:42:57,703 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-17 16:42:57,703 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-17 16:42:57,703 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-17 16:42:57,703 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-17 16:42:57,703 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-17 16:42:57,703 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-17 16:42:57,704 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-17 16:42:57,704 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-17 16:42:57,704 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-17 16:42:57,704 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-17 16:42:57,704 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-17 16:42:57,704 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-17 16:42:57,705 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-17 16:42:57,705 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-17 16:42:57,705 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-17 16:42:57,705 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-17 16:42:57,705 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-17 16:42:57,705 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-17 16:42:57,706 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-17 16:42:57,706 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-17 16:42:57,706 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-17 16:42:57,706 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-17 16:42:57,706 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-17 16:42:57,706 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-17 16:42:57,707 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-17 16:42:57,707 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-17 16:42:57,707 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-17 16:42:57,707 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-17 16:42:57,707 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-17 16:42:57,707 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-17 16:42:57,708 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-17 16:42:57,709 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-17 16:42:57,709 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-17 16:42:57,709 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-17 16:42:57,710 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-17 16:42:57,710 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-17 16:42:57,710 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-17 16:42:57,710 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-17 16:42:57,710 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-17 16:42:57,710 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-17 16:42:57,711 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-17 16:42:57,711 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-17 16:42:57,711 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-17 16:42:57,713 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-17 16:42:57,713 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-17 16:42:57,713 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-17 16:42:57,713 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-17 16:42:57,713 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-17 16:42:57,713 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-17 16:42:57,714 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-17 16:42:57,714 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-17 16:42:57,714 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-17 16:42:57,714 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-17 16:42:57,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-17 16:42:57,714 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-17 16:42:57,714 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-17 16:42:57,715 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-17 16:42:57,715 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-17 16:42:57,715 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-17 16:42:57,715 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-17 16:42:57,715 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-17 16:42:57,715 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-17 16:42:57,715 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-17 16:42:57,716 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-17 16:42:57,716 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-17 16:42:57,716 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-17 16:42:57,716 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-17 16:42:57,716 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-17 16:42:57,716 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-17 16:42:57,716 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-17 16:42:57,717 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-17 16:42:57,717 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-17 16:42:57,717 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-17 16:42:57,717 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-17 16:42:57,718 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-09-17 16:42:57,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-17 16:42:57,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-17 16:42:57,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-17 16:42:57,718 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create [2019-09-17 16:42:57,718 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy [2019-09-17 16:42:57,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-17 16:42:57,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-17 16:42:57,719 INFO L130 BoogieDeclarations]: Found specification of procedure dll_get_data_at [2019-09-17 16:42:57,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-17 16:42:57,719 INFO L130 BoogieDeclarations]: Found specification of procedure dll_update_at [2019-09-17 16:42:57,719 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 16:42:57,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 16:42:57,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 16:42:58,094 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-17 16:42:58,427 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 16:42:58,427 INFO L283 CfgBuilder]: Removed 6 assume(true) statements. [2019-09-17 16:42:58,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 04:42:58 BoogieIcfgContainer [2019-09-17 16:42:58,429 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 16:42:58,430 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 16:42:58,430 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 16:42:58,430 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 16:42:58,431 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 04:42:58" (1/1) ... [2019-09-17 16:42:58,432 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_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-17 16:42:58,458 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-17 16:42:58,458 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 16:42:58,467 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 16:42:58,476 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 16:42:58,478 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 16:42:58,675 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 25 for LOIs [2019-09-17 16:42:58,864 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-17 16:42:59,183 WARN L191 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 72 [2019-09-17 16:42:59,799 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 54 [2019-09-17 16:43:00,123 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 59 [2019-09-17 16:43:00,425 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 75 [2019-09-17 16:43:00,561 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2019-09-17 16:43:00,934 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2019-09-17 16:43:03,714 WARN L191 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 165 DAG size of output: 135 [2019-09-17 16:43:05,097 WARN L191 SmtUtils]: Spent 1.37 s on a formula simplification that was a NOOP. DAG size: 132 [2019-09-17 16:43:05,986 WARN L191 SmtUtils]: Spent 765.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-09-17 16:43:06,613 WARN L191 SmtUtils]: Spent 568.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2019-09-17 16:43:07,050 WARN L191 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-09-17 16:43:07,655 WARN L191 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 101 [2019-09-17 16:43:07,873 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-09-17 16:43:08,045 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-09-17 16:43:08,216 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-09-17 16:43:08,698 WARN L191 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 84 [2019-09-17 16:43:09,073 WARN L191 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 90 [2019-09-17 16:43:09,200 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-17 16:43:09,278 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-17 16:43:09,288 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-17 16:43:09,298 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-17 16:43:11,341 WARN L191 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 105 DAG size of output: 103 [2019-09-17 16:43:12,219 WARN L191 SmtUtils]: Spent 816.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2019-09-17 16:43:12,958 WARN L191 SmtUtils]: Spent 567.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2019-09-17 16:43:13,321 WARN L191 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-17 16:43:13,573 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2019-09-17 16:43:13,975 WARN L191 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 72 [2019-09-17 16:43:14,277 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 66 [2019-09-17 16:43:14,397 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2019-09-17 16:43:14,515 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2019-09-17 16:43:14,785 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 64 [2019-09-17 16:43:14,853 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-17 16:43:15,789 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2019-09-17 16:43:16,013 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 34 [2019-09-17 16:43:16,798 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 63 [2019-09-17 16:43:17,590 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-17 16:43:17,590 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-17 16:43:17,595 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 232#(exists ((v_prenex_16 Int) (v_prenex_15 Int) (v_prenex_18 Int) (v_prenex_17 Int) (v_prenex_20 Int) (v_prenex_8 Int) (v_prenex_6 Int) (v_dll_get_data_at_~head.base_BEFORE_RETURN_5 Int) (v_prenex_7 Int) (v_prenex_4 Int) (v_prenex_5 Int) (v_dll_get_data_at_~head.base_BEFORE_RETURN_1 Int) (v_prenex_3 Int) (v_dll_get_data_at_~head.base_BEFORE_RETURN_2 Int) (v_dll_get_data_at_~head.offset_BEFORE_RETURN_5 Int) (v_dll_get_data_at_~head.offset_BEFORE_RETURN_1 Int) (v_prenex_19 Int) (v_dll_get_data_at_~head.offset_BEFORE_RETURN_2 Int)) (or (and (= (+ main_~i~0 main_~len~0) main_~expected~0) (<= |#NULL.base| 0) (= (+ (select (select |#memory_int| v_prenex_5) v_prenex_6) 1) (+ main_~i~0 main_~len~0)) (<= 0 |#NULL.base|) (<= 0 main_~s~0.offset) (<= (* 2 main_~len~0) (+ main_~new_data~0 1)) (<= (select (select |#memory_int| v_prenex_17) v_prenex_18) 2147483647) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 1 main_~data~0) (<= 0 (+ (select (select |#memory_int| v_prenex_5) v_prenex_6) 2147483648)) (<= 0 (+ (select (select |#memory_int| v_prenex_17) v_prenex_18) 2147483648)) (<= (select (select |#memory_int| v_prenex_5) v_prenex_6) 2147483647) (<= main_~data~0 1) (not (= main_~expected~0 (select (select |#memory_int| v_prenex_17) v_prenex_18))) (< main_~i~0 (+ main_~len~0 1)) (< main_~i~0 main_~len~0) (= (+ main_~i~0 (- 1)) 0) (<= main_~s~0.offset 0) (<= 2 main_~len~0) (<= main_~new_data~0 3)) (and (= (+ main_~i~0 main_~len~0) main_~expected~0) (<= 0 (+ main_~i~0 main_~len~0 2147483646)) (= main_~new_data~0 main_~len~0) (<= 0 |#NULL.base|) (= (+ (select (select |#memory_int| v_prenex_3) v_prenex_4) 1) (+ main_~i~0 main_~len~0 (- 1))) (<= (+ main_~i~0 main_~len~0) 2147483649) (<= 0 |#NULL.offset|) (< main_~i~0 (+ main_~len~0 1)) (<= (select (select |#memory_int| v_prenex_19) v_prenex_20) 2147483647) (< main_~i~0 main_~len~0) (= main_~len~0 2) (= (+ (select (select |#memory_int| v_prenex_7) v_prenex_8) 1) (+ main_~i~0 main_~len~0)) (<= (select (select |#memory_int| v_prenex_7) v_prenex_8) 2147483647) (< main_~i~0 (+ main_~len~0 2)) (= (+ main_~i~0 (- 2)) 0) (<= |#NULL.base| 0) (<= 0 main_~s~0.offset) (<= (* 2 main_~len~0) (+ main_~new_data~0 1)) (= main_~data~0 1) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 0 (+ (select (select |#memory_int| v_prenex_19) v_prenex_20) 2147483648)) (not (= (select (select |#memory_int| v_prenex_19) v_prenex_20) main_~expected~0)) (<= 0 (+ (select (select |#memory_int| v_prenex_7) v_prenex_8) 2147483648)) (<= main_~s~0.offset 0) (<= 2 main_~len~0)) (and (= (+ main_~i~0 main_~len~0) main_~expected~0) (<= |#NULL.base| 0) (not (= main_~expected~0 (select (select |#memory_int| v_prenex_15) v_prenex_16))) (<= 0 |#NULL.base|) (<= 0 main_~s~0.offset) (<= (* 2 main_~len~0) (+ main_~new_data~0 1)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 1 main_~data~0) (<= main_~data~0 1) (<= 0 (+ (select (select |#memory_int| v_prenex_15) v_prenex_16) 2147483648)) (< main_~i~0 main_~len~0) (<= main_~s~0.offset 0) (<= 2 main_~len~0) (<= (select (select |#memory_int| v_prenex_15) v_prenex_16) 2147483647) (<= main_~new_data~0 3) (= main_~i~0 0)) (and (not (= (select (select |#memory_int| v_dll_get_data_at_~head.base_BEFORE_RETURN_5) v_dll_get_data_at_~head.offset_BEFORE_RETURN_5) main_~expected~0)) (= (+ (select (select |#memory_int| v_dll_get_data_at_~head.base_BEFORE_RETURN_2) v_dll_get_data_at_~head.offset_BEFORE_RETURN_2) 1) (+ main_~i~0 main_~len~0)) (= (+ main_~i~0 main_~len~0) main_~expected~0) (<= 0 (+ main_~i~0 main_~len~0 2147483646)) (<= 0 |#NULL.base|) (<= (+ main_~i~0 main_~len~0) 2147483649) (<= 0 |#NULL.offset|) (<= (select (select |#memory_int| v_dll_get_data_at_~head.base_BEFORE_RETURN_5) v_dll_get_data_at_~head.offset_BEFORE_RETURN_5) 2147483647) (<= (select (select |#memory_int| v_dll_get_data_at_~head.base_BEFORE_RETURN_2) v_dll_get_data_at_~head.offset_BEFORE_RETURN_2) 2147483647) (< main_~i~0 (+ main_~len~0 1)) (<= (+ main_~len~0 1) main_~new_data~0) (< main_~i~0 main_~len~0) (= (+ (select (select |#memory_int| v_dll_get_data_at_~head.base_BEFORE_RETURN_1) v_dll_get_data_at_~head.offset_BEFORE_RETURN_1) 1) (+ main_~i~0 main_~len~0 (- 1))) (<= main_~new_data~0 3) (< main_~i~0 (+ main_~len~0 2)) (= (+ main_~i~0 (- 2)) 0) (<= |#NULL.base| 0) (<= 0 main_~s~0.offset) (<= (* 2 main_~len~0) (+ main_~new_data~0 1)) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 1 main_~data~0) (<= 0 (+ (select (select |#memory_int| v_dll_get_data_at_~head.base_BEFORE_RETURN_5) v_dll_get_data_at_~head.offset_BEFORE_RETURN_5) 2147483648)) (<= 0 (+ (select (select |#memory_int| v_dll_get_data_at_~head.base_BEFORE_RETURN_2) v_dll_get_data_at_~head.offset_BEFORE_RETURN_2) 2147483648)) (<= main_~data~0 1) (<= main_~s~0.offset 0) (<= 2 main_~len~0)))) [2019-09-17 16:43:17,615 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-17 16:43:17,615 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-17 16:43:17,624 INFO L168 Benchmark]: Toolchain (without parser) took 20729.62 ms. Allocated memory was 138.4 MB in the beginning and 393.2 MB in the end (delta: 254.8 MB). Free memory was 84.5 MB in the beginning and 353.5 MB in the end (delta: -269.0 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-17 16:43:17,624 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 138.4 MB. Free memory was 104.5 MB in the beginning and 104.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-17 16:43:17,625 INFO L168 Benchmark]: CACSL2BoogieTranslator took 673.32 ms. Allocated memory was 138.4 MB in the beginning and 198.7 MB in the end (delta: 60.3 MB). Free memory was 84.3 MB in the beginning and 160.5 MB in the end (delta: -76.2 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB. [2019-09-17 16:43:17,625 INFO L168 Benchmark]: Boogie Preprocessor took 68.17 ms. Allocated memory is still 198.7 MB. Free memory was 160.5 MB in the beginning and 157.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. [2019-09-17 16:43:17,626 INFO L168 Benchmark]: RCFGBuilder took 795.75 ms. Allocated memory is still 198.7 MB. Free memory was 157.3 MB in the beginning and 98.8 MB in the end (delta: 58.5 MB). Peak memory consumption was 58.5 MB. Max. memory is 7.1 GB. [2019-09-17 16:43:17,629 INFO L168 Benchmark]: Sifa took 19185.86 ms. Allocated memory was 198.7 MB in the beginning and 393.2 MB in the end (delta: 194.5 MB). Free memory was 98.8 MB in the beginning and 353.5 MB in the end (delta: -254.7 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-17 16:43:17,632 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 138.4 MB. Free memory was 104.5 MB in the beginning and 104.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 673.32 ms. Allocated memory was 138.4 MB in the beginning and 198.7 MB in the end (delta: 60.3 MB). Free memory was 84.3 MB in the beginning and 160.5 MB in the end (delta: -76.2 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 68.17 ms. Allocated memory is still 198.7 MB. Free memory was 160.5 MB in the beginning and 157.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 795.75 ms. Allocated memory is still 198.7 MB. Free memory was 157.3 MB in the beginning and 98.8 MB in the end (delta: 58.5 MB). Peak memory consumption was 58.5 MB. Max. memory is 7.1 GB. * Sifa took 19185.86 ms. Allocated memory was 198.7 MB in the beginning and 393.2 MB in the end (delta: 194.5 MB). Free memory was 98.8 MB in the beginning and 353.5 MB in the end (delta: -254.7 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 19137, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 82, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 60, TOOLS_POST_TIME[ms]: 14076, TOOLS_POST_CALL_APPLICATIONS: 13, TOOLS_POST_CALL_TIME[ms]: 165, TOOLS_POST_RETURN_APPLICATIONS: 12, TOOLS_POST_RETURN_TIME[ms]: 37, TOOLS_QUANTIFIERELIM_APPLICATIONS: 75, TOOLS_QUANTIFIERELIM_TIME[ms]: 14238, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 6941, FLUID_QUERY_TIME[ms]: 7, FLUID_QUERIES: 100, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 25, DOMAIN_JOIN_TIME[ms]: 2919, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 9, DOMAIN_WIDEN_TIME[ms]: 1811, DOMAIN_ISSUBSETEQ_APPLICATIONS: 18, DOMAIN_ISSUBSETEQ_TIME[ms]: 29, DOMAIN_ISBOTTOM_APPLICATIONS: 2, DOMAIN_ISBOTTOM_TIME[ms]: 5, LOOP_SUMMARIZER_APPLICATIONS: 9, LOOP_SUMMARIZER_CACHE_MISSES: 9, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 18362, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 18361, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 18, CALL_SUMMARIZER_APPLICATIONS: 12, CALL_SUMMARIZER_CACHE_MISSES: 5, CALL_SUMMARIZER_OVERALL_TIME[ms]: 17245, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 17244, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 16, DAG_COMPRESSION_PROCESSED_NODES: 137, DAG_COMPRESSION_RETAINED_NODES: 74 - UnprovableResult [Line: 630]: 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 232#(exists ((v_prenex_16 Int) (v_prenex_15 Int) (v_prenex_18 Int) (v_prenex_17 Int) (v_prenex_20 Int) (v_prenex_8 Int) (v_prenex_6 Int) (v_dll_get_data_at_~head.base_BEFORE_RETURN_5 Int) (v_prenex_7 Int) (v_prenex_4 Int) (v_prenex_5 Int) (v_dll_get_data_at_~head.base_BEFORE_RETURN_1 Int) (v_prenex_3 Int) (v_dll_get_data_at_~head.base_BEFORE_RETURN_2 Int) (v_dll_get_data_at_~head.offset_BEFORE_RETURN_5 Int) (v_dll_get_data_at_~head.offset_BEFORE_RETURN_1 Int) (v_prenex_19 Int) (v_dll_get_data_at_~head.offset_BEFORE_RETURN_2 Int)) (or (and (= (+ main_~i~0 main_~len~0) main_~expected~0) (<= |#NULL.base| 0) (= (+ (select (select |#memory_int| v_prenex_5) v_prenex_6) 1) (+ main_~i~0 main_~len~0)) (<= 0 |#NULL.base|) (<= 0 main_~s~0.offset) (<= (* 2 main_~len~0) (+ main_~new_data~0 1)) (<= (select (select |#memory_int| v_prenex_17) v_prenex_18) 2147483647) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 1 main_~data~0) (<= 0 (+ (select (select |#memory_int| v_prenex_5) v_prenex_6) 2147483648)) (<= 0 (+ (select (select |#memory_int| v_prenex_17) v_prenex_18) 2147483648)) (<= (select (select |#memory_int| v_prenex_5) v_prenex_6) 2147483647) (<= main_~data~0 1) (not (= main_~expected~0 (select (select |#memory_int| v_prenex_17) v_prenex_18))) (< main_~i~0 (+ main_~len~0 1)) (< main_~i~0 main_~len~0) (= (+ main_~i~0 (- 1)) 0) (<= main_~s~0.offset 0) (<= 2 main_~len~0) (<= main_~new_data~0 3)) (and (= (+ main_~i~0 main_~len~0) main_~expected~0) (<= 0 (+ main_~i~0 main_~len~0 2147483646)) (= main_~new_data~0 main_~len~0) (<= 0 |#NULL.base|) (= (+ (select (select |#memory_int| v_prenex_3) v_prenex_4) 1) (+ main_~i~0 main_~len~0 (- 1))) (<= (+ main_~i~0 main_~len~0) 2147483649) (<= 0 |#NULL.offset|) (< main_~i~0 (+ main_~len~0 1)) (<= (select (select |#memory_int| v_prenex_19) v_prenex_20) 2147483647) (< main_~i~0 main_~len~0) (= main_~len~0 2) (= (+ (select (select |#memory_int| v_prenex_7) v_prenex_8) 1) (+ main_~i~0 main_~len~0)) (<= (select (select |#memory_int| v_prenex_7) v_prenex_8) 2147483647) (< main_~i~0 (+ main_~len~0 2)) (= (+ main_~i~0 (- 2)) 0) (<= |#NULL.base| 0) (<= 0 main_~s~0.offset) (<= (* 2 main_~len~0) (+ main_~new_data~0 1)) (= main_~data~0 1) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 0 (+ (select (select |#memory_int| v_prenex_19) v_prenex_20) 2147483648)) (not (= (select (select |#memory_int| v_prenex_19) v_prenex_20) main_~expected~0)) (<= 0 (+ (select (select |#memory_int| v_prenex_7) v_prenex_8) 2147483648)) (<= main_~s~0.offset 0) (<= 2 main_~len~0)) (and (= (+ main_~i~0 main_~len~0) main_~expected~0) (<= |#NULL.base| 0) (not (= main_~expected~0 (select (select |#memory_int| v_prenex_15) v_prenex_16))) (<= 0 |#NULL.base|) (<= 0 main_~s~0.offset) (<= (* 2 main_~len~0) (+ main_~new_data~0 1)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 1 main_~data~0) (<= main_~data~0 1) (<= 0 (+ (select (select |#memory_int| v_prenex_15) v_prenex_16) 2147483648)) (< main_~i~0 main_~len~0) (<= main_~s~0.offset 0) (<= 2 main_~len~0) (<= (select (select |#memory_int| v_prenex_15) v_prenex_16) 2147483647) (<= main_~new_data~0 3) (= main_~i~0 0)) (and (not (= (select (select |#memory_int| v_dll_get_data_at_~head.base_BEFORE_RETURN_5) v_dll_get_data_at_~head.offset_BEFORE_RETURN_5) main_~expected~0)) (= (+ (select (select |#memory_int| v_dll_get_data_at_~head.base_BEFORE_RETURN_2) v_dll_get_data_at_~head.offset_BEFORE_RETURN_2) 1) (+ main_~i~0 main_~len~0)) (= (+ main_~i~0 main_~len~0) main_~expected~0) (<= 0 (+ main_~i~0 main_~len~0 2147483646)) (<= 0 |#NULL.base|) (<= (+ main_~i~0 main_~len~0) 2147483649) (<= 0 |#NULL.offset|) (<= (select (select |#memory_int| v_dll_get_data_at_~head.base_BEFORE_RETURN_5) v_dll_get_data_at_~head.offset_BEFORE_RETURN_5) 2147483647) (<= (select (select |#memory_int| v_dll_get_data_at_~head.base_BEFORE_RETURN_2) v_dll_get_data_at_~head.offset_BEFORE_RETURN_2) 2147483647) (< main_~i~0 (+ main_~len~0 1)) (<= (+ main_~len~0 1) main_~new_data~0) (< main_~i~0 main_~len~0) (= (+ (select (select |#memory_int| v_dll_get_data_at_~head.base_BEFORE_RETURN_1) v_dll_get_data_at_~head.offset_BEFORE_RETURN_1) 1) (+ main_~i~0 main_~len~0 (- 1))) (<= main_~new_data~0 3) (< main_~i~0 (+ main_~len~0 2)) (= (+ main_~i~0 (- 2)) 0) (<= |#NULL.base| 0) (<= 0 main_~s~0.offset) (<= (* 2 main_~len~0) (+ main_~new_data~0 1)) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 1 main_~data~0) (<= 0 (+ (select (select |#memory_int| v_dll_get_data_at_~head.base_BEFORE_RETURN_5) v_dll_get_data_at_~head.offset_BEFORE_RETURN_5) 2147483648)) (<= 0 (+ (select (select |#memory_int| v_dll_get_data_at_~head.base_BEFORE_RETURN_2) v_dll_get_data_at_~head.offset_BEFORE_RETURN_2) 2147483648)) (<= main_~data~0 1) (<= main_~s~0.offset 0) (<= 2 main_~len~0)))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...