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 IntervalDomain --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/product-lines/minepump_spec4_product10.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-17 10:26:32,896 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 10:26:32,898 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 10:26:32,909 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 10:26:32,910 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 10:26:32,911 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 10:26:32,912 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 10:26:32,914 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 10:26:32,915 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 10:26:32,916 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 10:26:32,917 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 10:26:32,919 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 10:26:32,919 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 10:26:32,920 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 10:26:32,921 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 10:26:32,922 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 10:26:32,923 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 10:26:32,924 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 10:26:32,926 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 10:26:32,928 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 10:26:32,929 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 10:26:32,930 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 10:26:32,932 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 10:26:32,932 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 10:26:32,935 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-17 10:26:32,936 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-17 10:26:32,936 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-17 10:26:32,937 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-17 10:26:32,937 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-17 10:26:32,938 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-17 10:26:32,939 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-17 10:26:32,940 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-17 10:26:32,940 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-17 10:26:32,941 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-17 10:26:32,942 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-17 10:26:32,943 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-17 10:26:32,944 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-17 10:26:32,944 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-17 10:26:32,944 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 10:26:32,945 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 10:26:32,946 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 10:26:32,947 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 10:26:32,962 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 10:26:32,963 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 10:26:32,964 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 10:26:32,965 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 10:26:32,965 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 10:26:32,968 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 10:26:32,969 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 10:26:32,969 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 10:26:32,969 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 10:26:32,969 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 10:26:32,969 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 10:26:32,969 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 10:26:32,970 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 10:26:32,970 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 10:26:32,970 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 10:26:32,971 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 10:26:32,972 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 10:26:32,972 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 10:26:32,972 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 10:26:32,972 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 10:26:32,973 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 10:26:32,973 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 10:26:32,973 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 10:26:32,973 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 10:26:32,973 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 10:26:32,974 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 10:26:32,974 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 10:26:32,974 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 10:26:32,975 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain 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 10:26:33,018 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 10:26:33,035 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 10:26:33,040 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 10:26:33,042 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 10:26:33,048 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 10:26:33,049 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product10.cil.c [2019-09-17 10:26:33,107 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb9d5e697/413625af8e694fb684212d6d71310992/FLAG2a1a9df04 [2019-09-17 10:26:33,655 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 10:26:33,655 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product10.cil.c [2019-09-17 10:26:33,675 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb9d5e697/413625af8e694fb684212d6d71310992/FLAG2a1a9df04 [2019-09-17 10:26:33,931 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb9d5e697/413625af8e694fb684212d6d71310992 [2019-09-17 10:26:33,941 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 10:26:33,942 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 10:26:33,944 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 10:26:33,944 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 10:26:33,947 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 10:26:33,947 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 10:26:33" (1/1) ... [2019-09-17 10:26:33,950 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2145c95a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:26:33, skipping insertion in model container [2019-09-17 10:26:33,950 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 10:26:33" (1/1) ... [2019-09-17 10:26:33,957 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 10:26:34,010 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 10:26:34,407 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 10:26:34,436 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 10:26:34,586 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 10:26:34,619 INFO L192 MainTranslator]: Completed translation [2019-09-17 10:26:34,620 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:26:34 WrapperNode [2019-09-17 10:26:34,620 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 10:26:34,621 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 10:26:34,621 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 10:26:34,621 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 10:26:34,635 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:26:34" (1/1) ... [2019-09-17 10:26:34,635 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:26:34" (1/1) ... [2019-09-17 10:26:34,653 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:26:34" (1/1) ... [2019-09-17 10:26:34,653 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:26:34" (1/1) ... [2019-09-17 10:26:34,683 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:26:34" (1/1) ... [2019-09-17 10:26:34,693 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:26:34" (1/1) ... [2019-09-17 10:26:34,698 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:26:34" (1/1) ... [2019-09-17 10:26:34,705 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 10:26:34,706 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 10:26:34,706 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 10:26:34,706 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 10:26:34,707 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 10:26:34" (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 10:26:34,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 10:26:34,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 10:26:34,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-17 10:26:34,760 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-17 10:26:34,760 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-17 10:26:34,761 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-17 10:26:34,761 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-17 10:26:34,761 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-17 10:26:34,761 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-17 10:26:34,761 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-17 10:26:34,762 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-17 10:26:34,762 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-17 10:26:34,762 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-17 10:26:34,762 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-17 10:26:34,762 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-17 10:26:34,762 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 10:26:34,763 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-17 10:26:34,763 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-17 10:26:34,763 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2019-09-17 10:26:34,763 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-17 10:26:34,763 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-17 10:26:34,763 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-17 10:26:34,764 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-17 10:26:34,764 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-17 10:26:34,764 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-17 10:26:34,764 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-17 10:26:34,764 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-17 10:26:34,764 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-17 10:26:34,765 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-17 10:26:34,765 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-17 10:26:34,765 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-17 10:26:34,765 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-17 10:26:34,765 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-17 10:26:34,765 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-17 10:26:34,765 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-17 10:26:34,766 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-17 10:26:34,766 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 10:26:34,766 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-17 10:26:34,766 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-17 10:26:34,766 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-17 10:26:34,766 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-17 10:26:34,767 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-17 10:26:34,767 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-17 10:26:34,767 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-17 10:26:34,767 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-17 10:26:34,767 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-17 10:26:34,767 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-17 10:26:34,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-17 10:26:34,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-17 10:26:34,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-17 10:26:34,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-17 10:26:34,768 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-17 10:26:34,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-17 10:26:34,768 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-17 10:26:34,769 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-17 10:26:34,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-17 10:26:34,769 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-17 10:26:34,769 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-17 10:26:34,769 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-17 10:26:34,769 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-17 10:26:34,769 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-17 10:26:34,770 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-17 10:26:34,770 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-17 10:26:34,770 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-17 10:26:34,770 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-17 10:26:34,770 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-17 10:26:34,770 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-17 10:26:34,771 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-17 10:26:34,771 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-17 10:26:34,771 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-17 10:26:34,771 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-17 10:26:34,771 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-17 10:26:34,771 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 10:26:34,771 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-17 10:26:34,772 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-17 10:26:34,772 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-17 10:26:34,772 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-17 10:26:34,772 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-17 10:26:34,772 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-17 10:26:34,773 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-17 10:26:34,773 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2019-09-17 10:26:34,773 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-17 10:26:34,773 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-17 10:26:34,773 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 10:26:34,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-17 10:26:34,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 10:26:36,317 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 10:26:36,317 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-17 10:26:36,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 10:26:36 BoogieIcfgContainer [2019-09-17 10:26:36,319 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 10:26:36,319 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 10:26:36,320 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 10:26:36,320 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 10:26:36,321 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 10:26:36" (1/1) ... [2019-09-17 10:26:36,322 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ 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 10:26:36,360 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-17 10:26:36,360 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 10:26:36,375 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 10:26:36,388 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 10:26:36,394 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 10:26:58,930 WARN L191 SmtUtils]: Spent 12.90 s on a formula simplification that was a NOOP. DAG size: 464 [2019-09-17 10:27:00,505 WARN L191 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-17 10:27:04,292 WARN L191 SmtUtils]: Spent 3.78 s on a formula simplification. DAG size of input: 472 DAG size of output: 422 [2019-09-17 10:27:04,580 WARN L191 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-17 10:27:04,591 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 112 for LOIs [2019-09-17 10:27:04,652 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 112 for LOIs [2019-09-17 10:27:04,656 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 112 for LOIs [2019-09-17 10:27:05,025 WARN L191 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2019-09-17 10:27:05,368 WARN L191 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-09-17 10:27:06,343 WARN L191 SmtUtils]: Spent 962.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 129 [2019-09-17 10:27:07,316 WARN L191 SmtUtils]: Spent 970.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 129 [2019-09-17 10:27:08,265 WARN L191 SmtUtils]: Spent 933.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 129 [2019-09-17 10:27:08,675 WARN L191 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-17 10:27:09,015 WARN L191 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-09-17 10:27:09,330 WARN L191 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2019-09-17 10:27:10,305 WARN L191 SmtUtils]: Spent 965.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 128 [2019-09-17 10:27:11,232 WARN L191 SmtUtils]: Spent 924.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 128 [2019-09-17 10:27:12,198 WARN L191 SmtUtils]: Spent 957.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 128 [2019-09-17 10:27:12,535 WARN L191 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-09-17 10:27:12,877 WARN L191 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-09-17 10:27:13,205 WARN L191 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-09-17 10:27:13,548 WARN L191 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2019-09-17 10:27:13,843 WARN L191 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2019-09-17 10:27:14,773 WARN L191 SmtUtils]: Spent 924.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 128 [2019-09-17 10:27:15,711 WARN L191 SmtUtils]: Spent 935.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 128 [2019-09-17 10:27:16,679 WARN L191 SmtUtils]: Spent 959.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 128 [2019-09-17 10:27:17,554 WARN L191 SmtUtils]: Spent 868.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-09-17 10:27:18,489 WARN L191 SmtUtils]: Spent 925.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 128 [2019-09-17 10:27:19,414 WARN L191 SmtUtils]: Spent 923.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 128 [2019-09-17 10:27:20,368 WARN L191 SmtUtils]: Spent 946.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 128 [2019-09-17 10:27:20,371 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-17 10:27:20,373 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 105 for LOIs [2019-09-17 10:27:20,616 WARN L191 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2019-09-17 10:27:20,617 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 102 for LOIs [2019-09-17 10:27:20,624 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 102 for LOIs [2019-09-17 10:27:20,855 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2019-09-17 10:27:20,856 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-17 10:27:20,857 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-17 10:27:20,859 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 206#(and (<= |#t~string33.offset| 0) (<= |#t~string22.offset| 0) (<= ~head~0.base 0) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= 0 |#t~string63.offset|) (<= |#t~string67.offset| 0) (<= |#t~string31.offset| 0) (<= 0 |#t~string20.offset|) (<= ~systemActive~0 1) (<= 0 |#t~string22.offset|) (<= ~head~0.offset 0) (<= 0 |#t~string32.offset|) (<= |#t~string55.offset| 0) (<= 0 |#t~string67.offset|) (<= |#t~string34.offset| 0) (<= |#t~string51.offset| 0) (<= 0 |#t~string21.offset|) (<= 0 |#t~string51.offset|) (<= |#t~string24.offset| 0) (<= 0 |#t~string49.offset|) (<= 0 |#t~string69.offset|) (<= ~pumpRunning~0 0) (<= 0 ~head~0.base) (<= |#NULL.offset| 0) (<= 0 |#t~string45.offset|) (<= 0 ~methaneLevelCritical~0) (<= |#t~string53.offset| 0) (<= 0 |#t~string41.offset|) (<= |#t~string45.offset| 0) (<= 0 |#t~string61.offset|) (<= |#t~string47.offset| 0) (<= |#t~string65.offset| 0) (<= 0 |#t~string43.offset|) (<= 0 |#t~string65.offset|) (<= 0 |#t~string53.offset|) (<= |#t~string41.offset| 0) (<= |#t~string21.offset| 0) (<= |#t~string61.offset| 0) (<= 0 |#t~string33.offset|) (<= 0 |#t~string23.offset|) (<= 0 |#NULL.offset|) (<= |#t~string30.offset| 0) (<= |#t~string69.offset| 0) (<= |#t~string32.offset| 0) (<= ~cleanupTimeShifts~0 4) (<= 0 |#t~string29.offset|) (<= 0 ~pumpRunning~0) (<= |#t~string43.offset| 0) (<= 0 |#t~string47.offset|) (<= |#NULL.base| 0) (<= |#t~string63.offset| 0) (<= 0 |#t~string30.offset|) (<= 1 ~systemActive~0) (<= 0 |#t~string31.offset|) (<= |#t~string23.offset| 0) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string29.offset| 0) (<= |#t~string49.offset| 0) (<= 0 |#t~string34.offset|) (<= 0 |#t~string55.offset|) (<= 0 |#t~string25.offset|) (<= |#t~string25.offset| 0) (<= 0 |#t~string24.offset|) (<= |#t~string20.offset| 0)) [2019-09-17 10:27:20,870 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-17 10:27:20,871 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-17 10:27:20,872 INFO L168 Benchmark]: Toolchain (without parser) took 46930.03 ms. Allocated memory was 138.9 MB in the beginning and 567.8 MB in the end (delta: 428.9 MB). Free memory was 86.1 MB in the beginning and 390.1 MB in the end (delta: -303.9 MB). Peak memory consumption was 124.9 MB. Max. memory is 7.1 GB. [2019-09-17 10:27:20,873 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 138.9 MB. Free memory was 105.0 MB in the beginning and 104.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-17 10:27:20,874 INFO L168 Benchmark]: CACSL2BoogieTranslator took 676.65 ms. Allocated memory was 138.9 MB in the beginning and 198.7 MB in the end (delta: 59.8 MB). Free memory was 85.9 MB in the beginning and 165.7 MB in the end (delta: -79.8 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. [2019-09-17 10:27:20,875 INFO L168 Benchmark]: Boogie Preprocessor took 84.88 ms. Allocated memory is still 198.7 MB. Free memory was 165.7 MB in the beginning and 162.0 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. [2019-09-17 10:27:20,876 INFO L168 Benchmark]: RCFGBuilder took 1613.32 ms. Allocated memory was 198.7 MB in the beginning and 221.8 MB in the end (delta: 23.1 MB). Free memory was 162.0 MB in the beginning and 152.7 MB in the end (delta: 9.3 MB). Peak memory consumption was 93.8 MB. Max. memory is 7.1 GB. [2019-09-17 10:27:20,877 INFO L168 Benchmark]: Sifa took 44551.25 ms. Allocated memory was 221.8 MB in the beginning and 567.8 MB in the end (delta: 346.0 MB). Free memory was 152.7 MB in the beginning and 390.1 MB in the end (delta: -237.4 MB). Peak memory consumption was 108.6 MB. Max. memory is 7.1 GB. [2019-09-17 10:27:20,880 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 138.9 MB. Free memory was 105.0 MB in the beginning and 104.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 676.65 ms. Allocated memory was 138.9 MB in the beginning and 198.7 MB in the end (delta: 59.8 MB). Free memory was 85.9 MB in the beginning and 165.7 MB in the end (delta: -79.8 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 84.88 ms. Allocated memory is still 198.7 MB. Free memory was 165.7 MB in the beginning and 162.0 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1613.32 ms. Allocated memory was 198.7 MB in the beginning and 221.8 MB in the end (delta: 23.1 MB). Free memory was 162.0 MB in the beginning and 152.7 MB in the end (delta: 9.3 MB). Peak memory consumption was 93.8 MB. Max. memory is 7.1 GB. * Sifa took 44551.25 ms. Allocated memory was 221.8 MB in the beginning and 567.8 MB in the end (delta: 346.0 MB). Free memory was 152.7 MB in the beginning and 390.1 MB in the end (delta: -237.4 MB). Peak memory consumption was 108.6 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]: 44499, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 134, DAG_INTERPRETER_EARLY_EXITS: 2, TOOLS_POST_APPLICATIONS: 89, TOOLS_POST_TIME[ms]: 27833, TOOLS_POST_CALL_APPLICATIONS: 38, TOOLS_POST_CALL_TIME[ms]: 126, TOOLS_POST_RETURN_APPLICATIONS: 31, TOOLS_POST_RETURN_TIME[ms]: 42, TOOLS_QUANTIFIERELIM_APPLICATIONS: 157, TOOLS_QUANTIFIERELIM_TIME[ms]: 27925, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 27785, FLUID_QUERY_TIME[ms]: 9, FLUID_QUERIES: 136, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 45, DOMAIN_JOIN_TIME[ms]: 16226, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 6, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 9, DOMAIN_ISBOTTOM_APPLICATIONS: 31, DOMAIN_ISBOTTOM_TIME[ms]: 99, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 7858, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 7857, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 31, CALL_SUMMARIZER_CACHE_MISSES: 15, CALL_SUMMARIZER_OVERALL_TIME[ms]: 28191, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 28190, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 9, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 7, DAG_COMPRESSION_TIME[ms]: 45, DAG_COMPRESSION_PROCESSED_NODES: 362, DAG_COMPRESSION_RETAINED_NODES: 170 - UnprovableResult [Line: 439]: 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 206#(and (<= |#t~string33.offset| 0) (<= |#t~string22.offset| 0) (<= ~head~0.base 0) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= 0 |#t~string63.offset|) (<= |#t~string67.offset| 0) (<= |#t~string31.offset| 0) (<= 0 |#t~string20.offset|) (<= ~systemActive~0 1) (<= 0 |#t~string22.offset|) (<= ~head~0.offset 0) (<= 0 |#t~string32.offset|) (<= |#t~string55.offset| 0) (<= 0 |#t~string67.offset|) (<= |#t~string34.offset| 0) (<= |#t~string51.offset| 0) (<= 0 |#t~string21.offset|) (<= 0 |#t~string51.offset|) (<= |#t~string24.offset| 0) (<= 0 |#t~string49.offset|) (<= 0 |#t~string69.offset|) (<= ~pumpRunning~0 0) (<= 0 ~head~0.base) (<= |#NULL.offset| 0) (<= 0 |#t~string45.offset|) (<= 0 ~methaneLevelCritical~0) (<= |#t~string53.offset| 0) (<= 0 |#t~string41.offset|) (<= |#t~string45.offset| 0) (<= 0 |#t~string61.offset|) (<= |#t~string47.offset| 0) (<= |#t~string65.offset| 0) (<= 0 |#t~string43.offset|) (<= 0 |#t~string65.offset|) (<= 0 |#t~string53.offset|) (<= |#t~string41.offset| 0) (<= |#t~string21.offset| 0) (<= |#t~string61.offset| 0) (<= 0 |#t~string33.offset|) (<= 0 |#t~string23.offset|) (<= 0 |#NULL.offset|) (<= |#t~string30.offset| 0) (<= |#t~string69.offset| 0) (<= |#t~string32.offset| 0) (<= ~cleanupTimeShifts~0 4) (<= 0 |#t~string29.offset|) (<= 0 ~pumpRunning~0) (<= |#t~string43.offset| 0) (<= 0 |#t~string47.offset|) (<= |#NULL.base| 0) (<= |#t~string63.offset| 0) (<= 0 |#t~string30.offset|) (<= 1 ~systemActive~0) (<= 0 |#t~string31.offset|) (<= |#t~string23.offset| 0) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string29.offset| 0) (<= |#t~string49.offset| 0) (<= 0 |#t~string34.offset|) (<= 0 |#t~string55.offset|) (<= 0 |#t~string25.offset|) (<= |#t~string25.offset| 0) (<= 0 |#t~string24.offset|) (<= |#t~string20.offset| 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...