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 ReUseSupersetCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product15.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-18 22:39:57,779 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-18 22:39:57,782 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-18 22:39:57,794 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-18 22:39:57,794 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-18 22:39:57,795 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-18 22:39:57,796 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-18 22:39:57,798 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-18 22:39:57,800 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-18 22:39:57,801 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-18 22:39:57,802 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-18 22:39:57,803 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-18 22:39:57,803 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-18 22:39:57,804 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-18 22:39:57,805 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-18 22:39:57,806 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-18 22:39:57,807 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-18 22:39:57,808 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-18 22:39:57,809 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-18 22:39:57,811 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-18 22:39:57,812 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-18 22:39:57,813 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-18 22:39:57,814 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-18 22:39:57,815 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-18 22:39:57,817 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-18 22:39:57,817 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-18 22:39:57,818 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-18 22:39:57,818 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-18 22:39:57,819 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-18 22:39:57,820 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-18 22:39:57,820 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-18 22:39:57,821 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-18 22:39:57,821 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-18 22:39:57,823 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-18 22:39:57,826 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-18 22:39:57,826 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-18 22:39:57,827 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-18 22:39:57,827 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-18 22:39:57,827 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-18 22:39:57,828 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-18 22:39:57,829 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-18 22:39:57,830 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 22:39:57,851 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-18 22:39:57,852 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-18 22:39:57,854 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-18 22:39:57,854 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-18 22:39:57,854 INFO L138 SettingsManager]: * Use SBE=true [2019-09-18 22:39:57,855 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-18 22:39:57,855 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-18 22:39:57,855 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-18 22:39:57,855 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-18 22:39:57,855 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-18 22:39:57,856 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-18 22:39:57,857 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-18 22:39:57,857 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-18 22:39:57,857 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-18 22:39:57,858 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-18 22:39:57,858 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-18 22:39:57,858 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-18 22:39:57,858 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-18 22:39:57,858 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-18 22:39:57,859 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-18 22:39:57,859 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-18 22:39:57,859 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 22:39:57,860 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-18 22:39:57,860 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-18 22:39:57,860 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-18 22:39:57,860 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-18 22:39:57,860 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-18 22:39:57,861 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-18 22:39:57,861 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 -> ReUseSupersetCallSummarizer 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 22:39:57,924 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-18 22:39:57,938 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-18 22:39:57,941 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-18 22:39:57,943 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-18 22:39:57,943 INFO L275 PluginConnector]: CDTParser initialized [2019-09-18 22:39:57,944 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product15.cil.c [2019-09-18 22:39:58,006 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/abd7f7ff5/1b6c019a4f804ff398f7f535910fc596/FLAG56818d963 [2019-09-18 22:39:58,529 INFO L306 CDTParser]: Found 1 translation units. [2019-09-18 22:39:58,533 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product15.cil.c [2019-09-18 22:39:58,551 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/abd7f7ff5/1b6c019a4f804ff398f7f535910fc596/FLAG56818d963 [2019-09-18 22:39:58,851 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/abd7f7ff5/1b6c019a4f804ff398f7f535910fc596 [2019-09-18 22:39:58,861 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-18 22:39:58,863 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-18 22:39:58,864 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-18 22:39:58,864 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-18 22:39:58,867 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-18 22:39:58,867 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 10:39:58" (1/1) ... [2019-09-18 22:39:58,872 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26d65d11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:39:58, skipping insertion in model container [2019-09-18 22:39:58,872 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 10:39:58" (1/1) ... [2019-09-18 22:39:58,882 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-18 22:39:58,938 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-18 22:39:59,337 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 22:39:59,351 INFO L188 MainTranslator]: Completed pre-run [2019-09-18 22:39:59,434 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 22:39:59,467 INFO L192 MainTranslator]: Completed translation [2019-09-18 22:39:59,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:39:59 WrapperNode [2019-09-18 22:39:59,468 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-18 22:39:59,468 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-18 22:39:59,469 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-18 22:39:59,469 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-18 22:39:59,480 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:39:59" (1/1) ... [2019-09-18 22:39:59,480 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:39:59" (1/1) ... [2019-09-18 22:39:59,500 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:39:59" (1/1) ... [2019-09-18 22:39:59,500 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:39:59" (1/1) ... [2019-09-18 22:39:59,531 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:39:59" (1/1) ... [2019-09-18 22:39:59,541 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:39:59" (1/1) ... [2019-09-18 22:39:59,547 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:39:59" (1/1) ... [2019-09-18 22:39:59,558 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-18 22:39:59,558 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-18 22:39:59,558 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-18 22:39:59,558 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-18 22:39:59,562 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 10:39:59" (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 22:39:59,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-18 22:39:59,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-18 22:39:59,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-18 22:39:59,622 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-18 22:39:59,622 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-09-18 22:39:59,623 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-18 22:39:59,623 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2019-09-18 22:39:59,623 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-18 22:39:59,623 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-18 22:39:59,623 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-18 22:39:59,623 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-18 22:39:59,624 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-18 22:39:59,624 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-18 22:39:59,624 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-18 22:39:59,624 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-18 22:39:59,624 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-18 22:39:59,624 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-18 22:39:59,625 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-18 22:39:59,625 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-18 22:39:59,625 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-18 22:39:59,625 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-18 22:39:59,625 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-18 22:39:59,625 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-18 22:39:59,626 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-18 22:39:59,626 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-18 22:39:59,626 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-18 22:39:59,626 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-18 22:39:59,626 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-18 22:39:59,626 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-18 22:39:59,627 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-18 22:39:59,627 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-18 22:39:59,627 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-09-18 22:39:59,627 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-09-18 22:39:59,627 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-18 22:39:59,627 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-18 22:39:59,627 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-18 22:39:59,628 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-18 22:39:59,628 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-18 22:39:59,628 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-18 22:39:59,628 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-18 22:39:59,628 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-18 22:39:59,629 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-18 22:39:59,629 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-18 22:39:59,629 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-18 22:39:59,629 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-18 22:39:59,629 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-18 22:39:59,629 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-18 22:39:59,630 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-18 22:39:59,630 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-18 22:39:59,630 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-18 22:39:59,630 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-09-18 22:39:59,630 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-18 22:39:59,630 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-09-18 22:39:59,630 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-18 22:39:59,631 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2019-09-18 22:39:59,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-18 22:39:59,631 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-18 22:39:59,631 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-18 22:39:59,631 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-18 22:39:59,631 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-18 22:39:59,632 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-18 22:39:59,632 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-18 22:39:59,632 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-18 22:39:59,632 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-18 22:39:59,632 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-18 22:39:59,632 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-18 22:39:59,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-18 22:39:59,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-18 22:39:59,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-18 22:39:59,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-18 22:39:59,633 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-18 22:39:59,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-18 22:39:59,634 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-18 22:39:59,636 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-18 22:39:59,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-18 22:39:59,637 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-18 22:39:59,637 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-18 22:39:59,637 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-18 22:39:59,637 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-18 22:39:59,637 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-18 22:39:59,637 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-18 22:39:59,638 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-18 22:39:59,638 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-09-18 22:39:59,638 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-18 22:39:59,638 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-18 22:39:59,638 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-18 22:39:59,639 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-18 22:39:59,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-18 22:39:59,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-18 22:39:59,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-18 22:40:01,152 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-18 22:40:01,153 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-18 22:40:01,154 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 10:40:01 BoogieIcfgContainer [2019-09-18 22:40:01,154 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-18 22:40:01,155 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-18 22:40:01,155 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-18 22:40:01,155 INFO L275 PluginConnector]: Sifa initialized [2019-09-18 22:40:01,157 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 10:40:01" (1/1) ... [2019-09-18 22:40:01,157 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=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-18 22:40:01,189 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-18 22:40:01,189 INFO L169 IcfgInterpreter]: Building call graph [2019-09-18 22:40:01,202 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-18 22:40:01,216 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-18 22:40:01,220 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-18 22:40:13,640 WARN L191 SmtUtils]: Spent 12.30 s on a formula simplification that was a NOOP. DAG size: 443 [2019-09-18 22:40:25,485 WARN L191 SmtUtils]: Spent 11.84 s on a formula simplification that was a NOOP. DAG size: 443 [2019-09-18 22:40:49,307 WARN L191 SmtUtils]: Spent 15.05 s on a formula simplification that was a NOOP. DAG size: 466 [2019-09-18 22:40:50,955 WARN L191 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-18 22:40:54,746 WARN L191 SmtUtils]: Spent 3.78 s on a formula simplification. DAG size of input: 474 DAG size of output: 424 [2019-09-18 22:40:54,755 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 434 for LOIs [2019-09-18 22:40:56,596 WARN L191 SmtUtils]: Spent 1.83 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-18 22:40:58,387 WARN L191 SmtUtils]: Spent 1.79 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-18 22:41:00,173 WARN L191 SmtUtils]: Spent 1.78 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-18 22:41:01,917 WARN L191 SmtUtils]: Spent 1.74 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-18 22:41:03,771 WARN L191 SmtUtils]: Spent 1.85 s on a formula simplification that was a NOOP. DAG size: 428 [2019-09-18 22:41:05,574 WARN L191 SmtUtils]: Spent 1.80 s on a formula simplification that was a NOOP. DAG size: 428 [2019-09-18 22:41:07,398 WARN L191 SmtUtils]: Spent 1.81 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-18 22:41:09,158 WARN L191 SmtUtils]: Spent 1.76 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-18 22:41:09,164 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 434 for LOIs [2019-09-18 22:41:10,966 WARN L191 SmtUtils]: Spent 1.79 s on a formula simplification that was a NOOP. DAG size: 426 [2019-09-18 22:41:12,755 WARN L191 SmtUtils]: Spent 1.79 s on a formula simplification that was a NOOP. DAG size: 426 [2019-09-18 22:41:12,764 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 434 for LOIs [2019-09-18 22:41:16,429 WARN L191 SmtUtils]: Spent 3.55 s on a formula simplification. DAG size of input: 433 DAG size of output: 427 [2019-09-18 22:41:18,161 WARN L191 SmtUtils]: Spent 1.73 s on a formula simplification that was a NOOP. DAG size: 427 [2019-09-18 22:41:29,251 WARN L191 SmtUtils]: Spent 11.08 s on a formula simplification. DAG size of input: 454 DAG size of output: 452 [2019-09-18 22:41:34,752 WARN L191 SmtUtils]: Spent 5.50 s on a formula simplification that was a NOOP. DAG size: 452 [2019-09-18 22:41:45,098 WARN L191 SmtUtils]: Spent 10.31 s on a formula simplification. DAG size of input: 435 DAG size of output: 430 [2019-09-18 22:41:50,284 WARN L191 SmtUtils]: Spent 5.18 s on a formula simplification that was a NOOP. DAG size: 430 [2019-09-18 22:42:08,244 WARN L191 SmtUtils]: Spent 17.94 s on a formula simplification. DAG size of input: 470 DAG size of output: 466 [2019-09-18 22:42:16,351 WARN L191 SmtUtils]: Spent 8.11 s on a formula simplification that was a NOOP. DAG size: 466 [2019-09-18 22:42:17,593 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 436 DAG size of output: 1 [2019-09-18 22:42:30,137 WARN L191 SmtUtils]: Spent 12.54 s on a formula simplification. DAG size of input: 438 DAG size of output: 437 [2019-09-18 22:42:36,434 WARN L191 SmtUtils]: Spent 6.30 s on a formula simplification that was a NOOP. DAG size: 437 [2019-09-18 22:42:42,777 WARN L191 SmtUtils]: Spent 6.34 s on a formula simplification that was a NOOP. DAG size: 437 [2019-09-18 22:42:49,074 WARN L191 SmtUtils]: Spent 6.30 s on a formula simplification that was a NOOP. DAG size: 437 [2019-09-18 22:43:13,907 WARN L191 SmtUtils]: Spent 24.81 s on a formula simplification. DAG size of input: 497 DAG size of output: 487 [2019-09-18 22:43:25,035 WARN L191 SmtUtils]: Spent 11.13 s on a formula simplification that was a NOOP. DAG size: 487 [2019-09-18 22:43:36,215 WARN L191 SmtUtils]: Spent 11.18 s on a formula simplification that was a NOOP. DAG size: 492 [2019-09-18 22:43:36,726 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2019-09-18 22:43:37,692 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 37 [2019-09-18 22:43:38,208 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 35 [2019-09-18 22:43:38,364 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 35 [2019-09-18 22:43:38,922 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 39 [2019-09-18 22:43:39,177 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 10 for LOIs [2019-09-18 22:43:39,650 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 10 for LOIs [2019-09-18 22:43:39,815 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2019-09-18 22:43:39,954 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification2_spec__2 with input of size 3 for LOIs [2019-09-18 22:43:39,971 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 19 for LOIs [2019-09-18 22:43:39,993 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-18 22:43:39,994 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-18 22:43:39,996 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 483#(and (not (= 0 ~methAndRunningLastTime~0)) (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (not (= ~pumpRunning~0 0))) [2019-09-18 22:43:40,010 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-18 22:43:40,010 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-18 22:43:40,012 INFO L168 Benchmark]: Toolchain (without parser) took 221149.00 ms. Allocated memory was 137.9 MB in the beginning and 141.0 MB in the end (delta: 3.1 MB). Free memory was 84.8 MB in the beginning and 66.9 MB in the end (delta: 17.8 MB). Peak memory consumption was 21.0 MB. Max. memory is 7.1 GB. [2019-09-18 22:43:40,013 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 137.9 MB. Free memory was 104.0 MB in the beginning and 103.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-18 22:43:40,014 INFO L168 Benchmark]: CACSL2BoogieTranslator took 604.36 ms. Allocated memory was 137.9 MB in the beginning and 197.1 MB in the end (delta: 59.2 MB). Free memory was 84.6 MB in the beginning and 164.0 MB in the end (delta: -79.5 MB). Peak memory consumption was 22.8 MB. Max. memory is 7.1 GB. [2019-09-18 22:43:40,015 INFO L168 Benchmark]: Boogie Preprocessor took 89.27 ms. Allocated memory is still 197.1 MB. Free memory was 164.0 MB in the beginning and 159.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2019-09-18 22:43:40,015 INFO L168 Benchmark]: RCFGBuilder took 1596.36 ms. Allocated memory was 197.1 MB in the beginning and 218.1 MB in the end (delta: 21.0 MB). Free memory was 159.8 MB in the beginning and 150.0 MB in the end (delta: 9.8 MB). Peak memory consumption was 95.6 MB. Max. memory is 7.1 GB. [2019-09-18 22:43:40,016 INFO L168 Benchmark]: Sifa took 218855.72 ms. Allocated memory was 218.1 MB in the beginning and 141.0 MB in the end (delta: -77.1 MB). Free memory was 150.0 MB in the beginning and 66.9 MB in the end (delta: 83.1 MB). Peak memory consumption was 6.0 MB. Max. memory is 7.1 GB. [2019-09-18 22:43:40,020 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 137.9 MB. Free memory was 104.0 MB in the beginning and 103.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 604.36 ms. Allocated memory was 137.9 MB in the beginning and 197.1 MB in the end (delta: 59.2 MB). Free memory was 84.6 MB in the beginning and 164.0 MB in the end (delta: -79.5 MB). Peak memory consumption was 22.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 89.27 ms. Allocated memory is still 197.1 MB. Free memory was 164.0 MB in the beginning and 159.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1596.36 ms. Allocated memory was 197.1 MB in the beginning and 218.1 MB in the end (delta: 21.0 MB). Free memory was 159.8 MB in the beginning and 150.0 MB in the end (delta: 9.8 MB). Peak memory consumption was 95.6 MB. Max. memory is 7.1 GB. * Sifa took 218855.72 ms. Allocated memory was 218.1 MB in the beginning and 141.0 MB in the end (delta: -77.1 MB). Free memory was 150.0 MB in the beginning and 66.9 MB in the end (delta: 83.1 MB). Peak memory consumption was 6.0 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]: 218807, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 225, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 154, TOOLS_POST_TIME[ms]: 123, TOOLS_POST_CALL_APPLICATIONS: 61, TOOLS_POST_CALL_TIME[ms]: 143, TOOLS_POST_RETURN_APPLICATIONS: 52, TOOLS_POST_RETURN_TIME[ms]: 29341, TOOLS_QUANTIFIERELIM_APPLICATIONS: 267, TOOLS_QUANTIFIERELIM_TIME[ms]: 29503, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 29257, FLUID_QUERY_TIME[ms]: 11, FLUID_QUERIES: 232, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 76, DOMAIN_JOIN_TIME[ms]: 188234, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 5, DOMAIN_WIDEN_TIME[ms]: 279, DOMAIN_ISSUBSETEQ_APPLICATIONS: 51, DOMAIN_ISSUBSETEQ_TIME[ms]: 159, DOMAIN_ISBOTTOM_APPLICATIONS: 39, DOMAIN_ISBOTTOM_TIME[ms]: 216, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 145384, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 145383, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 7, CALL_SUMMARIZER_APPLICATIONS: 52, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 96905, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 42, DAG_COMPRESSION_PROCESSED_NODES: 434, DAG_COMPRESSION_RETAINED_NODES: 224 - UnprovableResult [Line: 370]: 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 483#(and (not (= 0 ~methAndRunningLastTime~0)) (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...