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 SingleStatement --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/list-ext2-properties/simple_search_value-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-18 11:55:09,715 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-18 11:55:09,718 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-18 11:55:09,734 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-18 11:55:09,735 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-18 11:55:09,736 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-18 11:55:09,738 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-18 11:55:09,747 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-18 11:55:09,752 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-18 11:55:09,755 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-18 11:55:09,756 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-18 11:55:09,758 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-18 11:55:09,758 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-18 11:55:09,760 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-18 11:55:09,762 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-18 11:55:09,763 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-18 11:55:09,764 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-18 11:55:09,766 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-18 11:55:09,767 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-18 11:55:09,772 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-18 11:55:09,776 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-18 11:55:09,777 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-18 11:55:09,780 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-18 11:55:09,781 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-18 11:55:09,784 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-18 11:55:09,784 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-18 11:55:09,784 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-18 11:55:09,786 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-18 11:55:09,787 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-18 11:55:09,788 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-18 11:55:09,788 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-18 11:55:09,789 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-18 11:55:09,790 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-18 11:55:09,791 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-18 11:55:09,793 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-18 11:55:09,793 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-18 11:55:09,793 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-18 11:55:09,794 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-18 11:55:09,794 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-18 11:55:09,795 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-18 11:55:09,795 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-18 11:55:09,797 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-18 11:55:09,834 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-18 11:55:09,836 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-18 11:55:09,837 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-18 11:55:09,838 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-18 11:55:09,838 INFO L138 SettingsManager]: * Use SBE=true [2019-09-18 11:55:09,838 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-18 11:55:09,841 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-18 11:55:09,841 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-18 11:55:09,842 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-18 11:55:09,842 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-18 11:55:09,842 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-18 11:55:09,842 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-18 11:55:09,842 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-18 11:55:09,843 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-18 11:55:09,843 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-18 11:55:09,843 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-18 11:55:09,843 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-18 11:55:09,843 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-18 11:55:09,844 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-18 11:55:09,844 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-18 11:55:09,844 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-18 11:55:09,844 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 11:55:09,844 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-18 11:55:09,845 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-18 11:55:09,845 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-18 11:55:09,845 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-18 11:55:09,845 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-18 11:55:09,845 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-18 11:55:09,846 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 -> SingleStatement 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 [2019-09-18 11:55:09,876 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-18 11:55:09,891 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-18 11:55:09,897 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-18 11:55:09,900 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-18 11:55:09,900 INFO L275 PluginConnector]: CDTParser initialized [2019-09-18 11:55:09,901 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-ext2-properties/simple_search_value-1.i [2019-09-18 11:55:09,972 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6151226c2/1fc317f68ea14e858c67b2c9cb73f159/FLAG8399d6607 [2019-09-18 11:55:10,506 INFO L306 CDTParser]: Found 1 translation units. [2019-09-18 11:55:10,507 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-ext2-properties/simple_search_value-1.i [2019-09-18 11:55:10,520 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6151226c2/1fc317f68ea14e858c67b2c9cb73f159/FLAG8399d6607 [2019-09-18 11:55:10,823 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6151226c2/1fc317f68ea14e858c67b2c9cb73f159 [2019-09-18 11:55:10,832 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-18 11:55:10,833 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-18 11:55:10,834 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-18 11:55:10,835 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-18 11:55:10,838 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-18 11:55:10,839 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 11:55:10" (1/1) ... [2019-09-18 11:55:10,842 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64c60428 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:55:10, skipping insertion in model container [2019-09-18 11:55:10,842 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 11:55:10" (1/1) ... [2019-09-18 11:55:10,849 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-18 11:55:10,895 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-18 11:55:11,285 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 11:55:11,296 INFO L188 MainTranslator]: Completed pre-run [2019-09-18 11:55:11,349 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 11:55:11,411 INFO L192 MainTranslator]: Completed translation [2019-09-18 11:55:11,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:55:11 WrapperNode [2019-09-18 11:55:11,412 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-18 11:55:11,413 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-18 11:55:11,413 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-18 11:55:11,413 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-18 11:55:11,427 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:55:11" (1/1) ... [2019-09-18 11:55:11,427 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:55:11" (1/1) ... [2019-09-18 11:55:11,442 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:55:11" (1/1) ... [2019-09-18 11:55:11,442 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:55:11" (1/1) ... [2019-09-18 11:55:11,457 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:55:11" (1/1) ... [2019-09-18 11:55:11,462 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:55:11" (1/1) ... [2019-09-18 11:55:11,465 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:55:11" (1/1) ... [2019-09-18 11:55:11,471 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-18 11:55:11,472 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-18 11:55:11,472 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-18 11:55:11,472 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-18 11:55:11,473 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:55:11" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 11:55:11,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-18 11:55:11,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-18 11:55:11,525 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-18 11:55:11,525 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-18 11:55:11,525 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-18 11:55:11,526 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-18 11:55:11,526 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-18 11:55:11,526 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-18 11:55:11,526 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-18 11:55:11,526 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-18 11:55:11,527 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-18 11:55:11,527 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-18 11:55:11,527 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-18 11:55:11,527 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-18 11:55:11,527 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-18 11:55:11,528 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-18 11:55:11,528 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-18 11:55:11,529 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-18 11:55:11,529 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-18 11:55:11,529 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-18 11:55:11,529 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-18 11:55:11,531 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-18 11:55:11,532 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-18 11:55:11,532 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-18 11:55:11,532 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-18 11:55:11,532 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-18 11:55:11,532 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-18 11:55:11,532 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-18 11:55:11,533 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-18 11:55:11,533 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-18 11:55:11,533 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-18 11:55:11,533 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-18 11:55:11,533 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-18 11:55:11,533 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-18 11:55:11,533 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-18 11:55:11,533 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-18 11:55:11,534 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-18 11:55:11,534 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-18 11:55:11,534 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-18 11:55:11,535 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-18 11:55:11,536 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-18 11:55:11,536 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-18 11:55:11,536 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-18 11:55:11,536 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-18 11:55:11,536 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-18 11:55:11,536 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-18 11:55:11,537 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-18 11:55:11,537 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-18 11:55:11,537 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-18 11:55:11,537 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-18 11:55:11,537 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-18 11:55:11,537 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-18 11:55:11,537 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-18 11:55:11,538 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-18 11:55:11,538 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-18 11:55:11,538 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-18 11:55:11,538 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-18 11:55:11,538 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-18 11:55:11,539 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-18 11:55:11,539 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-18 11:55:11,539 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-18 11:55:11,539 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-18 11:55:11,539 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-18 11:55:11,540 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-18 11:55:11,540 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-18 11:55:11,540 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-18 11:55:11,540 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-18 11:55:11,540 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-18 11:55:11,541 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-18 11:55:11,541 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-18 11:55:11,541 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-18 11:55:11,542 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-18 11:55:11,542 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-18 11:55:11,542 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-18 11:55:11,543 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-18 11:55:11,543 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-18 11:55:11,543 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-18 11:55:11,543 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-18 11:55:11,543 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-18 11:55:11,543 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-18 11:55:11,544 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-18 11:55:11,544 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-18 11:55:11,544 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-18 11:55:11,545 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-18 11:55:11,545 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-18 11:55:11,545 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-18 11:55:11,545 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-18 11:55:11,545 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-18 11:55:11,545 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-18 11:55:11,545 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-18 11:55:11,545 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-18 11:55:11,546 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-18 11:55:11,546 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-18 11:55:11,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-18 11:55:11,546 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-18 11:55:11,546 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-18 11:55:11,546 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-18 11:55:11,546 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-18 11:55:11,546 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-18 11:55:11,546 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-18 11:55:11,546 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-18 11:55:11,547 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-18 11:55:11,547 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-18 11:55:11,547 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-18 11:55:11,547 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-18 11:55:11,547 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-18 11:55:11,547 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-18 11:55:11,547 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-18 11:55:11,547 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-18 11:55:11,547 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-18 11:55:11,548 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-18 11:55:11,548 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-18 11:55:11,548 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-18 11:55:11,548 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-18 11:55:11,548 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-18 11:55:11,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-18 11:55:11,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-18 11:55:11,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-18 11:55:11,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-18 11:55:11,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-18 11:55:11,549 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-18 11:55:11,549 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-18 11:55:11,549 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-18 11:55:11,881 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-18 11:55:12,116 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-18 11:55:12,118 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-09-18 11:55:12,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 11:55:12 BoogieIcfgContainer [2019-09-18 11:55:12,120 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-18 11:55:12,120 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-18 11:55:12,120 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-18 11:55:12,121 INFO L275 PluginConnector]: Sifa initialized [2019-09-18 11:55:12,122 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 11:55:12" (1/1) ... [2019-09-18 11:55:12,123 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 [2019-09-18 11:55:12,150 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-18 11:55:12,150 INFO L169 IcfgInterpreter]: Building call graph [2019-09-18 11:55:12,158 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-18 11:55:12,166 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-18 11:55:12,168 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-18 11:55:12,306 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-18 11:55:12,344 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-18 11:55:12,635 WARN L191 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 47 [2019-09-18 11:55:12,914 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 73 [2019-09-18 11:55:13,147 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-09-18 11:55:13,580 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2019-09-18 11:55:13,808 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-09-18 11:55:13,969 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-09-18 11:55:15,021 WARN L191 SmtUtils]: Spent 935.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2019-09-18 11:55:15,873 WARN L191 SmtUtils]: Spent 820.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2019-09-18 11:55:16,180 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 144 [2019-09-18 11:55:17,894 WARN L191 SmtUtils]: Spent 1.64 s on a formula simplification that was a NOOP. DAG size: 151 [2019-09-18 11:55:20,223 WARN L191 SmtUtils]: Spent 2.24 s on a formula simplification that was a NOOP. DAG size: 205 [2019-09-18 11:55:20,750 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2019-09-18 11:55:21,051 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-09-18 11:55:21,361 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2019-09-18 11:55:21,560 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 37 [2019-09-18 11:55:22,076 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 84 [2019-09-18 11:55:22,300 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 93 [2019-09-18 11:55:22,504 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 93 [2019-09-18 11:55:22,802 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 108 [2019-09-18 11:55:23,137 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 63 [2019-09-18 11:55:24,349 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 63 [2019-09-18 11:55:24,975 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-18 11:55:24,976 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-18 11:55:24,978 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 259#(and (= 0 main_~p~0.base) (or (= 0 main_~hasTwo~0) (= 0 main_~hasSix~0)) (= main_~p~0.offset 0)) [2019-09-18 11:55:24,996 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-18 11:55:24,996 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-18 11:55:24,998 INFO L168 Benchmark]: Toolchain (without parser) took 14164.94 ms. Allocated memory was 140.5 MB in the beginning and 336.1 MB in the end (delta: 195.6 MB). Free memory was 86.6 MB in the beginning and 240.2 MB in the end (delta: -153.5 MB). Peak memory consumption was 42.0 MB. Max. memory is 7.1 GB. [2019-09-18 11:55:24,998 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 140.5 MB. Free memory was 106.5 MB in the beginning and 106.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-18 11:55:24,999 INFO L168 Benchmark]: CACSL2BoogieTranslator took 578.05 ms. Allocated memory was 140.5 MB in the beginning and 200.3 MB in the end (delta: 59.8 MB). Free memory was 86.4 MB in the beginning and 165.6 MB in the end (delta: -79.1 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. [2019-09-18 11:55:25,000 INFO L168 Benchmark]: Boogie Preprocessor took 58.65 ms. Allocated memory is still 200.3 MB. Free memory was 165.6 MB in the beginning and 163.2 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2019-09-18 11:55:25,000 INFO L168 Benchmark]: RCFGBuilder took 648.05 ms. Allocated memory is still 200.3 MB. Free memory was 163.2 MB in the beginning and 119.3 MB in the end (delta: 43.9 MB). Peak memory consumption was 43.9 MB. Max. memory is 7.1 GB. [2019-09-18 11:55:25,001 INFO L168 Benchmark]: Sifa took 12876.35 ms. Allocated memory was 200.3 MB in the beginning and 336.1 MB in the end (delta: 135.8 MB). Free memory was 119.3 MB in the beginning and 240.2 MB in the end (delta: -120.9 MB). Peak memory consumption was 14.9 MB. Max. memory is 7.1 GB. [2019-09-18 11:55:25,003 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 140.5 MB. Free memory was 106.5 MB in the beginning and 106.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 578.05 ms. Allocated memory was 140.5 MB in the beginning and 200.3 MB in the end (delta: 59.8 MB). Free memory was 86.4 MB in the beginning and 165.6 MB in the end (delta: -79.1 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 58.65 ms. Allocated memory is still 200.3 MB. Free memory was 165.6 MB in the beginning and 163.2 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 648.05 ms. Allocated memory is still 200.3 MB. Free memory was 163.2 MB in the beginning and 119.3 MB in the end (delta: 43.9 MB). Peak memory consumption was 43.9 MB. Max. memory is 7.1 GB. * Sifa took 12876.35 ms. Allocated memory was 200.3 MB in the beginning and 336.1 MB in the end (delta: 135.8 MB). Free memory was 119.3 MB in the beginning and 240.2 MB in the end (delta: -120.9 MB). Peak memory consumption was 14.9 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]: 12830, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 172, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 163, TOOLS_POST_TIME[ms]: 6478, TOOLS_POST_CALL_APPLICATIONS: 7, TOOLS_POST_CALL_TIME[ms]: 45, TOOLS_POST_RETURN_APPLICATIONS: 6, TOOLS_POST_RETURN_TIME[ms]: 6, TOOLS_QUANTIFIERELIM_APPLICATIONS: 175, TOOLS_QUANTIFIERELIM_TIME[ms]: 6465, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 1816, FLUID_QUERY_TIME[ms]: 10, FLUID_QUERIES: 178, FLUID_YES_ANSWERS: 2, DOMAIN_JOIN_APPLICATIONS: 31, DOMAIN_JOIN_TIME[ms]: 3263, DOMAIN_ALPHA_APPLICATIONS: 2, DOMAIN_ALPHA_TIME[ms]: 7, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 2774, DOMAIN_ISSUBSETEQ_APPLICATIONS: 6, DOMAIN_ISSUBSETEQ_TIME[ms]: 48, DOMAIN_ISBOTTOM_APPLICATIONS: 25, DOMAIN_ISBOTTOM_TIME[ms]: 95, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 10274, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 10273, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 6, CALL_SUMMARIZER_APPLICATIONS: 6, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 86, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 85, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 30, DAG_COMPRESSION_PROCESSED_NODES: 304, DAG_COMPRESSION_RETAINED_NODES: 157 - UnprovableResult [Line: 565]: 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 259#(and (= 0 main_~p~0.base) (or (= 0 main_~hasTwo~0) (= 0 main_~hasSix~0)) (= main_~p~0.offset 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...