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_QUICK -i ../../../trunk/examples/svcomp/list-ext2-properties/simple_and_skiplist_2lvl-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 08:28:51,737 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 08:28:51,740 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 08:28:51,753 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 08:28:51,753 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 08:28:51,754 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 08:28:51,756 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 08:28:51,758 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 08:28:51,759 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 08:28:51,760 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 08:28:51,761 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 08:28:51,763 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 08:28:51,763 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 08:28:51,764 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 08:28:51,765 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 08:28:51,766 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 08:28:51,767 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 08:28:51,768 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 08:28:51,770 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 08:28:51,772 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 08:28:51,773 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 08:28:51,775 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 08:28:51,777 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 08:28:51,781 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 08:28:51,784 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-21 08:28:51,784 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-21 08:28:51,785 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-21 08:28:51,788 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-21 08:28:51,789 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-21 08:28:51,793 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-21 08:28:51,793 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 08:28:51,796 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 08:28:51,796 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 08:28:51,797 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 08:28:51,798 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 08:28:51,798 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 08:28:51,799 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 08:28:51,799 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 08:28:51,799 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 08:28:51,803 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 08:28:51,804 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 08:28:51,804 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-21 08:28:51,831 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 08:28:51,831 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 08:28:51,833 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 08:28:51,833 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 08:28:51,833 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 08:28:51,834 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 08:28:51,834 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 08:28:51,834 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 08:28:51,834 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 08:28:51,834 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 08:28:51,835 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 08:28:51,836 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 08:28:51,836 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 08:28:51,836 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 08:28:51,837 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 08:28:51,837 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 08:28:51,837 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 08:28:51,837 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 08:28:51,837 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 08:28:51,838 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 08:28:51,838 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 08:28:51,838 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 08:28:51,839 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 08:28:51,839 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 08:28:51,839 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 08:28:51,839 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 08:28:51,839 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 08:28:51,840 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 08:28:51,840 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_QUICK [2019-09-21 08:28:51,891 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 08:28:51,904 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 08:28:51,908 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 08:28:51,909 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 08:28:51,910 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 08:28:51,911 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-ext2-properties/simple_and_skiplist_2lvl-2.i [2019-09-21 08:28:51,992 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbed46375/a6234ef451be434db5d496863a216564/FLAGef4520718 [2019-09-21 08:28:52,581 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 08:28:52,584 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-ext2-properties/simple_and_skiplist_2lvl-2.i [2019-09-21 08:28:52,604 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbed46375/a6234ef451be434db5d496863a216564/FLAGef4520718 [2019-09-21 08:28:52,885 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbed46375/a6234ef451be434db5d496863a216564 [2019-09-21 08:28:52,894 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 08:28:52,896 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 08:28:52,896 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 08:28:52,897 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 08:28:52,899 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 08:28:52,900 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 08:28:52" (1/1) ... [2019-09-21 08:28:52,902 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d974c45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:28:52, skipping insertion in model container [2019-09-21 08:28:52,903 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 08:28:52" (1/1) ... [2019-09-21 08:28:52,909 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 08:28:52,954 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 08:28:53,423 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 08:28:53,433 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 08:28:53,485 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 08:28:53,552 INFO L192 MainTranslator]: Completed translation [2019-09-21 08:28:53,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:28:53 WrapperNode [2019-09-21 08:28:53,553 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 08:28:53,554 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 08:28:53,554 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 08:28:53,554 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 08:28:53,569 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:28:53" (1/1) ... [2019-09-21 08:28:53,569 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:28:53" (1/1) ... [2019-09-21 08:28:53,596 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:28:53" (1/1) ... [2019-09-21 08:28:53,596 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:28:53" (1/1) ... [2019-09-21 08:28:53,619 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:28:53" (1/1) ... [2019-09-21 08:28:53,627 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:28:53" (1/1) ... [2019-09-21 08:28:53,631 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:28:53" (1/1) ... [2019-09-21 08:28:53,638 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 08:28:53,638 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 08:28:53,639 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 08:28:53,639 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 08:28:53,640 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:28:53" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 08:28:53,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 08:28:53,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 08:28:53,694 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-21 08:28:53,694 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-21 08:28:53,694 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-21 08:28:53,694 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_or_die [2019-09-21 08:28:53,694 INFO L138 BoogieDeclarations]: Found implementation of procedure create_sl_with_head_and_tail [2019-09-21 08:28:53,695 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_random_insert [2019-09-21 08:28:53,695 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_sl [2019-09-21 08:28:53,695 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 08:28:53,695 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 08:28:53,695 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-21 08:28:53,696 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-21 08:28:53,696 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-21 08:28:53,696 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-21 08:28:53,696 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-21 08:28:53,696 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-21 08:28:53,696 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-21 08:28:53,697 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-21 08:28:53,697 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-21 08:28:53,697 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-21 08:28:53,697 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-21 08:28:53,697 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-21 08:28:53,697 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-21 08:28:53,698 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-21 08:28:53,698 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-21 08:28:53,698 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-21 08:28:53,698 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-21 08:28:53,698 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-21 08:28:53,699 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-21 08:28:53,699 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-21 08:28:53,699 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-21 08:28:53,699 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-21 08:28:53,699 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-21 08:28:53,699 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-21 08:28:53,700 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-21 08:28:53,700 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-21 08:28:53,700 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-21 08:28:53,700 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-21 08:28:53,700 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-21 08:28:53,700 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-21 08:28:53,701 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-21 08:28:53,701 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-21 08:28:53,701 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-21 08:28:53,701 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-21 08:28:53,701 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-21 08:28:53,701 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-21 08:28:53,701 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-21 08:28:53,702 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-21 08:28:53,702 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-21 08:28:53,702 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-21 08:28:53,702 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-21 08:28:53,702 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-21 08:28:53,702 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-21 08:28:53,702 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-21 08:28:53,703 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-21 08:28:53,703 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-21 08:28:53,703 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-21 08:28:53,703 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-21 08:28:53,703 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-21 08:28:53,703 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-21 08:28:53,704 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-21 08:28:53,704 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-21 08:28:53,704 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-21 08:28:53,704 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-21 08:28:53,704 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-21 08:28:53,704 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-21 08:28:53,704 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-21 08:28:53,705 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-21 08:28:53,705 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-21 08:28:53,705 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-21 08:28:53,705 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-21 08:28:53,705 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-21 08:28:53,705 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-21 08:28:53,706 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-21 08:28:53,706 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-21 08:28:53,706 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-21 08:28:53,706 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-21 08:28:53,706 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-21 08:28:53,706 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-21 08:28:53,707 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-21 08:28:53,707 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-21 08:28:53,707 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-21 08:28:53,707 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-21 08:28:53,707 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-21 08:28:53,707 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-21 08:28:53,708 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-21 08:28:53,708 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-21 08:28:53,708 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-21 08:28:53,708 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-21 08:28:53,708 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-21 08:28:53,708 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-21 08:28:53,708 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-21 08:28:53,709 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-21 08:28:53,709 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-21 08:28:53,709 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-21 08:28:53,709 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-21 08:28:53,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-21 08:28:53,709 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-21 08:28:53,710 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-21 08:28:53,710 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-21 08:28:53,710 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-21 08:28:53,710 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-21 08:28:53,710 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-21 08:28:53,710 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-21 08:28:53,710 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-21 08:28:53,711 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-21 08:28:53,711 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-21 08:28:53,711 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-21 08:28:53,711 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-21 08:28:53,711 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-21 08:28:53,711 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-21 08:28:53,711 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-21 08:28:53,712 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-21 08:28:53,712 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-21 08:28:53,712 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-21 08:28:53,712 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-21 08:28:53,712 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-21 08:28:53,712 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_or_die [2019-09-21 08:28:53,712 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-21 08:28:53,713 INFO L130 BoogieDeclarations]: Found specification of procedure create_sl_with_head_and_tail [2019-09-21 08:28:53,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-21 08:28:53,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-21 08:28:53,713 INFO L130 BoogieDeclarations]: Found specification of procedure sl_random_insert [2019-09-21 08:28:53,713 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_sl [2019-09-21 08:28:53,713 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-21 08:28:53,714 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 08:28:53,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-21 08:28:53,714 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-21 08:28:53,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 08:28:53,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 08:28:54,101 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-21 08:28:54,722 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 08:28:54,722 INFO L283 CfgBuilder]: Removed 6 assume(true) statements. [2019-09-21 08:28:54,724 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 08:28:54 BoogieIcfgContainer [2019-09-21 08:28:54,724 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 08:28:54,724 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 08:28:54,724 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 08:28:54,725 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 08:28:54,726 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 08:28:54" (1/1) ... [2019-09-21 08:28:54,726 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_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-21 08:28:54,753 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 08:28:54,753 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 08:28:54,759 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 08:28:54,767 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 08:28:54,769 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 08:28:54,925 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-21 08:28:54,950 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-21 08:28:55,340 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2019-09-21 08:29:05,381 WARN L194 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2019-09-21 08:29:05,382 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:208) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:225) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:153) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:61) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.SmtUtils.checkSatTerm(SmtUtils.java:218) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.implies(SymbolicTools.java:226) at de.uni_freiburg.informatik.ultimate.lib.sifa.domain.RelationCheckUtil.isSubsetEq_SolverAlphaSolver(RelationCheckUtil.java:76) at de.uni_freiburg.informatik.ultimate.lib.sifa.domain.ExplicitValueDomain.isSubsetEq(ExplicitValueDomain.java:78) at de.uni_freiburg.informatik.ultimate.lib.sifa.domain.StatsWrapperDomain.isSubsetEq(StatsWrapperDomain.java:78) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarizeInternal(FixpointLoopSummarizer.java:122) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarize(FixpointLoopSummarizer.java:94) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretLoop(DagInterpreter.java:178) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:169) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:139) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:129) at de.uni_freiburg.informatik.ultimate.plugins.sifa.SifaObserver.processIcfg(SifaObserver.java:81) at de.uni_freiburg.informatik.ultimate.plugins.sifa.SifaObserver.process(SifaObserver.java:72) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:156) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1461) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:654) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:205) ... 33 more [2019-09-21 08:29:05,388 INFO L168 Benchmark]: Toolchain (without parser) took 12491.91 ms. Allocated memory was 131.1 MB in the beginning and 219.2 MB in the end (delta: 88.1 MB). Free memory was 86.1 MB in the beginning and 78.8 MB in the end (delta: 7.3 MB). Peak memory consumption was 95.4 MB. Max. memory is 7.1 GB. [2019-09-21 08:29:05,389 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 131.1 MB. Free memory was 105.2 MB in the beginning and 105.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-21 08:29:05,390 INFO L168 Benchmark]: CACSL2BoogieTranslator took 657.11 ms. Allocated memory was 131.1 MB in the beginning and 198.2 MB in the end (delta: 67.1 MB). Free memory was 85.9 MB in the beginning and 160.8 MB in the end (delta: -74.9 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. [2019-09-21 08:29:05,391 INFO L168 Benchmark]: Boogie Preprocessor took 84.24 ms. Allocated memory is still 198.2 MB. Free memory was 160.8 MB in the beginning and 157.0 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2019-09-21 08:29:05,392 INFO L168 Benchmark]: RCFGBuilder took 1085.59 ms. Allocated memory is still 198.2 MB. Free memory was 157.0 MB in the beginning and 86.3 MB in the end (delta: 70.7 MB). Peak memory consumption was 70.7 MB. Max. memory is 7.1 GB. [2019-09-21 08:29:05,393 INFO L168 Benchmark]: Sifa took 10661.71 ms. Allocated memory was 198.2 MB in the beginning and 219.2 MB in the end (delta: 21.0 MB). Free memory was 86.3 MB in the beginning and 78.8 MB in the end (delta: 7.5 MB). Peak memory consumption was 28.5 MB. Max. memory is 7.1 GB. [2019-09-21 08:29:05,397 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 131.1 MB. Free memory was 105.2 MB in the beginning and 105.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 657.11 ms. Allocated memory was 131.1 MB in the beginning and 198.2 MB in the end (delta: 67.1 MB). Free memory was 85.9 MB in the beginning and 160.8 MB in the end (delta: -74.9 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 84.24 ms. Allocated memory is still 198.2 MB. Free memory was 160.8 MB in the beginning and 157.0 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1085.59 ms. Allocated memory is still 198.2 MB. Free memory was 157.0 MB in the beginning and 86.3 MB in the end (delta: 70.7 MB). Peak memory consumption was 70.7 MB. Max. memory is 7.1 GB. * Sifa took 10661.71 ms. Allocated memory was 198.2 MB in the beginning and 219.2 MB in the end (delta: 21.0 MB). Free memory was 86.3 MB in the beginning and 78.8 MB in the end (delta: 7.5 MB). Peak memory consumption was 28.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.sifa: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:208) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...