java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid NeverFluid --sifa.intern.fluid NeverFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product04.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-19 23:28:00,805 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-19 23:28:00,807 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-19 23:28:00,819 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-19 23:28:00,820 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-19 23:28:00,821 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-19 23:28:00,822 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-19 23:28:00,824 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-19 23:28:00,826 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-19 23:28:00,827 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-19 23:28:00,828 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-19 23:28:00,829 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-19 23:28:00,830 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-19 23:28:00,831 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-19 23:28:00,832 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-19 23:28:00,833 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-19 23:28:00,834 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-19 23:28:00,835 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-19 23:28:00,837 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-19 23:28:00,839 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-19 23:28:00,841 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-19 23:28:00,842 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-19 23:28:00,843 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-19 23:28:00,844 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-19 23:28:00,846 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-19 23:28:00,846 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-19 23:28:00,846 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-19 23:28:00,847 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-19 23:28:00,848 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-19 23:28:00,848 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-19 23:28:00,849 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-19 23:28:00,850 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-19 23:28:00,850 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-19 23:28:00,851 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-19 23:28:00,852 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-19 23:28:00,852 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-19 23:28:00,853 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-19 23:28:00,853 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-19 23:28:00,853 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-19 23:28:00,854 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-19 23:28:00,855 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-19 23:28:00,856 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 [2019-09-19 23:28:00,872 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-19 23:28:00,873 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-19 23:28:00,875 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-19 23:28:00,875 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-19 23:28:00,875 INFO L138 SettingsManager]: * Use SBE=true [2019-09-19 23:28:00,876 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-19 23:28:00,876 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-19 23:28:00,876 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-19 23:28:00,876 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-19 23:28:00,876 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-19 23:28:00,877 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-19 23:28:00,878 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-19 23:28:00,878 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-19 23:28:00,878 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-19 23:28:00,878 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-19 23:28:00,879 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-19 23:28:00,879 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-19 23:28:00,879 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-19 23:28:00,879 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-19 23:28:00,879 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-19 23:28:00,880 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-19 23:28:00,880 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-19 23:28:00,880 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-19 23:28:00,880 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-19 23:28:00,881 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-19 23:28:00,881 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-19 23:28:00,881 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-19 23:28:00,881 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-19 23:28:00,881 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-19 23:28:00,946 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-19 23:28:00,965 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-19 23:28:00,969 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-19 23:28:00,970 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-19 23:28:00,970 INFO L275 PluginConnector]: CDTParser initialized [2019-09-19 23:28:00,971 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product04.cil.c [2019-09-19 23:28:01,031 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24f49d2cb/179fdfb9ed6b4c1aaec6cc12212d74e0/FLAG54d9b922e [2019-09-19 23:28:01,576 INFO L306 CDTParser]: Found 1 translation units. [2019-09-19 23:28:01,577 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product04.cil.c [2019-09-19 23:28:01,591 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24f49d2cb/179fdfb9ed6b4c1aaec6cc12212d74e0/FLAG54d9b922e [2019-09-19 23:28:01,843 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24f49d2cb/179fdfb9ed6b4c1aaec6cc12212d74e0 [2019-09-19 23:28:01,856 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-19 23:28:01,857 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-19 23:28:01,858 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-19 23:28:01,858 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-19 23:28:01,861 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-19 23:28:01,862 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 11:28:01" (1/1) ... [2019-09-19 23:28:01,865 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@623733d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:28:01, skipping insertion in model container [2019-09-19 23:28:01,865 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 11:28:01" (1/1) ... [2019-09-19 23:28:01,872 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-19 23:28:01,923 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-19 23:28:02,344 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 23:28:02,363 INFO L188 MainTranslator]: Completed pre-run [2019-09-19 23:28:02,467 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 23:28:02,515 INFO L192 MainTranslator]: Completed translation [2019-09-19 23:28:02,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:28:02 WrapperNode [2019-09-19 23:28:02,516 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-19 23:28:02,516 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-19 23:28:02,516 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-19 23:28:02,516 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-19 23:28:02,528 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:28:02" (1/1) ... [2019-09-19 23:28:02,528 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:28:02" (1/1) ... [2019-09-19 23:28:02,546 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:28:02" (1/1) ... [2019-09-19 23:28:02,546 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:28:02" (1/1) ... [2019-09-19 23:28:02,573 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:28:02" (1/1) ... [2019-09-19 23:28:02,584 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:28:02" (1/1) ... [2019-09-19 23:28:02,589 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:28:02" (1/1) ... [2019-09-19 23:28:02,596 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-19 23:28:02,597 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-19 23:28:02,597 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-19 23:28:02,597 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-19 23:28:02,598 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:28:02" (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 [2019-09-19 23:28:02,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-19 23:28:02,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-19 23:28:02,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-19 23:28:02,660 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-19 23:28:02,660 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-19 23:28:02,660 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-19 23:28:02,661 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-19 23:28:02,661 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-19 23:28:02,661 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-19 23:28:02,661 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-19 23:28:02,661 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-19 23:28:02,661 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-19 23:28:02,662 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-19 23:28:02,662 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-19 23:28:02,662 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-19 23:28:02,662 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-19 23:28:02,662 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-19 23:28:02,663 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-19 23:28:02,663 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-19 23:28:02,663 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-19 23:28:02,663 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-19 23:28:02,663 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-19 23:28:02,663 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-19 23:28:02,663 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-19 23:28:02,664 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-19 23:28:02,664 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-19 23:28:02,664 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-19 23:28:02,664 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-19 23:28:02,664 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-19 23:28:02,665 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-19 23:28:02,665 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-19 23:28:02,665 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-19 23:28:02,665 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-19 23:28:02,665 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-19 23:28:02,665 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-19 23:28:02,666 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-19 23:28:02,666 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-19 23:28:02,666 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-19 23:28:02,666 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-19 23:28:02,666 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-19 23:28:02,666 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-19 23:28:02,667 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-19 23:28:02,667 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-19 23:28:02,667 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-19 23:28:02,667 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-19 23:28:02,667 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-19 23:28:02,667 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-19 23:28:02,668 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-19 23:28:02,668 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-19 23:28:02,668 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-19 23:28:02,668 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-19 23:28:02,668 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-19 23:28:02,668 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-19 23:28:02,668 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-19 23:28:02,669 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-19 23:28:02,669 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-19 23:28:02,669 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-19 23:28:02,669 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-19 23:28:02,669 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-19 23:28:02,670 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-19 23:28:02,670 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-19 23:28:02,670 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-19 23:28:02,670 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-19 23:28:02,670 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-19 23:28:02,670 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-19 23:28:02,670 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-19 23:28:02,671 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-19 23:28:02,671 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-19 23:28:02,671 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-19 23:28:02,671 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-19 23:28:02,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-19 23:28:02,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-19 23:28:02,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-19 23:28:02,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-19 23:28:02,672 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-19 23:28:02,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-19 23:28:02,672 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-19 23:28:02,672 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-19 23:28:02,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-19 23:28:02,673 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-19 23:28:02,673 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-19 23:28:02,673 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-19 23:28:02,673 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-19 23:28:02,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-19 23:28:02,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-19 23:28:02,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-19 23:28:04,202 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-19 23:28:04,202 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-19 23:28:04,204 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 11:28:04 BoogieIcfgContainer [2019-09-19 23:28:04,204 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-19 23:28:04,204 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-19 23:28:04,205 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-19 23:28:04,205 INFO L275 PluginConnector]: Sifa initialized [2019-09-19 23:28:04,206 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 11:28:04" (1/1) ... [2019-09-19 23:28:04,207 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=NeverFluid ♦ 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=NeverFluid [2019-09-19 23:28:04,229 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-19 23:28:04,229 INFO L169 IcfgInterpreter]: Building call graph [2019-09-19 23:28:04,238 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-19 23:28:04,246 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-19 23:28:04,248 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-19 23:28:27,420 WARN L191 SmtUtils]: Spent 13.93 s on a formula simplification that was a NOOP. DAG size: 464 [2019-09-19 23:28:29,171 WARN L191 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-19 23:28:33,209 WARN L191 SmtUtils]: Spent 4.03 s on a formula simplification. DAG size of input: 472 DAG size of output: 422 [2019-09-19 23:28:35,189 WARN L191 SmtUtils]: Spent 1.97 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-19 23:28:37,170 WARN L191 SmtUtils]: Spent 1.98 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-19 23:28:37,186 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 430 for LOIs [2019-09-19 23:28:37,260 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 430 for LOIs [2019-09-19 23:28:37,269 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 430 for LOIs [2019-09-19 23:28:48,751 WARN L191 SmtUtils]: Spent 11.35 s on a formula simplification. DAG size of input: 443 DAG size of output: 442 [2019-09-19 23:28:54,297 WARN L191 SmtUtils]: Spent 5.54 s on a formula simplification that was a NOOP. DAG size: 442 [2019-09-19 23:29:12,279 WARN L191 SmtUtils]: Spent 17.87 s on a formula simplification. DAG size of input: 466 DAG size of output: 460 [2019-09-19 23:29:21,184 WARN L191 SmtUtils]: Spent 8.90 s on a formula simplification that was a NOOP. DAG size: 460 [2019-09-19 23:29:45,951 WARN L191 SmtUtils]: Spent 24.73 s on a formula simplification. DAG size of input: 472 DAG size of output: 469 [2019-09-19 23:29:50,255 WARN L191 SmtUtils]: Spent 4.01 s on a formula simplification. DAG size of input: 452 DAG size of output: 452 [2019-09-19 23:29:52,238 WARN L191 SmtUtils]: Spent 1.98 s on a formula simplification that was a NOOP. DAG size: 452 [2019-09-19 23:30:03,133 WARN L191 SmtUtils]: Spent 10.86 s on a formula simplification. DAG size of input: 460 DAG size of output: 460 [2019-09-19 23:30:08,541 WARN L191 SmtUtils]: Spent 5.41 s on a formula simplification that was a NOOP. DAG size: 460 [2019-09-19 23:30:10,894 WARN L191 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 487 DAG size of output: 46 [2019-09-19 23:30:13,391 WARN L191 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 486 DAG size of output: 54 [2019-09-19 23:30:24,568 WARN L191 SmtUtils]: Spent 10.90 s on a formula simplification. DAG size of input: 460 DAG size of output: 460 [2019-09-19 23:30:29,902 WARN L191 SmtUtils]: Spent 5.33 s on a formula simplification that was a NOOP. DAG size: 460 [2019-09-19 23:30:40,763 WARN L191 SmtUtils]: Spent 10.86 s on a formula simplification. DAG size of input: 460 DAG size of output: 460 [2019-09-19 23:30:46,150 WARN L191 SmtUtils]: Spent 5.38 s on a formula simplification that was a NOOP. DAG size: 460 [2019-09-19 23:30:57,013 WARN L191 SmtUtils]: Spent 10.86 s on a formula simplification. DAG size of input: 460 DAG size of output: 460 [2019-09-19 23:31:02,427 WARN L191 SmtUtils]: Spent 5.41 s on a formula simplification that was a NOOP. DAG size: 460 [2019-09-19 23:31:13,324 WARN L191 SmtUtils]: Spent 10.90 s on a formula simplification. DAG size of input: 460 DAG size of output: 460 [2019-09-19 23:31:18,761 WARN L191 SmtUtils]: Spent 5.44 s on a formula simplification that was a NOOP. DAG size: 460 [2019-09-19 23:31:21,229 WARN L191 SmtUtils]: Spent 2.35 s on a formula simplification. DAG size of input: 490 DAG size of output: 55 [2019-09-19 23:31:23,829 WARN L191 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 489 DAG size of output: 61 [2019-09-19 23:31:24,109 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 43 [2019-09-19 23:31:24,376 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 50 [2019-09-19 23:31:27,026 WARN L191 SmtUtils]: Spent 2.35 s on a formula simplification. DAG size of input: 490 DAG size of output: 55 [2019-09-19 23:31:29,577 WARN L191 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 489 DAG size of output: 61 [2019-09-19 23:31:29,847 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 43 [2019-09-19 23:31:30,091 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 50 [2019-09-19 23:31:32,704 WARN L191 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 490 DAG size of output: 55 [2019-09-19 23:31:35,266 WARN L191 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 489 DAG size of output: 61 [2019-09-19 23:31:35,536 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 43 [2019-09-19 23:31:35,781 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 50 [2019-09-19 23:31:38,505 WARN L191 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 490 DAG size of output: 55 [2019-09-19 23:31:41,044 WARN L191 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 489 DAG size of output: 61 [2019-09-19 23:31:41,329 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 43 [2019-09-19 23:31:41,574 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 50 [2019-09-19 23:31:44,420 WARN L191 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 490 DAG size of output: 55 [2019-09-19 23:31:44,525 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2019-09-19 23:31:46,948 WARN L191 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 489 DAG size of output: 61 [2019-09-19 23:31:47,159 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 26 [2019-09-19 23:31:47,385 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 43 [2019-09-19 23:31:47,639 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 50 [2019-09-19 23:31:50,302 WARN L191 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 490 DAG size of output: 55 [2019-09-19 23:31:52,827 WARN L191 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 489 DAG size of output: 61 [2019-09-19 23:31:55,255 WARN L191 SmtUtils]: Spent 2.37 s on a formula simplification. DAG size of input: 490 DAG size of output: 55 [2019-09-19 23:31:57,812 WARN L191 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 489 DAG size of output: 61 [2019-09-19 23:31:58,079 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 43 [2019-09-19 23:31:58,324 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 50 [2019-09-19 23:31:58,851 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 43 [2019-09-19 23:31:59,087 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 50 [2019-09-19 23:32:01,564 WARN L191 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 472 DAG size of output: 44 [2019-09-19 23:32:01,882 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2019-09-19 23:32:01,995 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2019-09-19 23:32:02,126 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2019-09-19 23:32:02,139 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 17 for LOIs [2019-09-19 23:32:02,662 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2019-09-19 23:32:02,841 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2019-09-19 23:32:03,068 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2019-09-19 23:32:03,147 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 3 for LOIs [2019-09-19 23:32:03,205 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 1 for LOIs [2019-09-19 23:32:03,207 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 15 for LOIs [2019-09-19 23:32:03,229 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-19 23:32:03,229 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-19 23:32:03,232 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 775#(and (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~pumpRunning~0 2147483648)) (= 0 ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2019-09-19 23:32:03,244 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-19 23:32:03,244 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-19 23:32:03,246 INFO L168 Benchmark]: Toolchain (without parser) took 241388.47 ms. Allocated memory was 140.0 MB in the beginning and 158.9 MB in the end (delta: 18.9 MB). Free memory was 85.2 MB in the beginning and 63.6 MB in the end (delta: 21.7 MB). Peak memory consumption was 40.6 MB. Max. memory is 7.1 GB. [2019-09-19 23:32:03,246 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 140.0 MB. Free memory is still 104.2 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-19 23:32:03,247 INFO L168 Benchmark]: CACSL2BoogieTranslator took 657.99 ms. Allocated memory was 140.0 MB in the beginning and 199.8 MB in the end (delta: 59.8 MB). Free memory was 85.2 MB in the beginning and 167.1 MB in the end (delta: -81.9 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. [2019-09-19 23:32:03,248 INFO L168 Benchmark]: Boogie Preprocessor took 80.49 ms. Allocated memory is still 199.8 MB. Free memory was 166.2 MB in the beginning and 162.3 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2019-09-19 23:32:03,249 INFO L168 Benchmark]: RCFGBuilder took 1607.13 ms. Allocated memory was 199.8 MB in the beginning and 224.9 MB in the end (delta: 25.2 MB). Free memory was 162.3 MB in the beginning and 155.6 MB in the end (delta: 6.8 MB). Peak memory consumption was 91.0 MB. Max. memory is 7.1 GB. [2019-09-19 23:32:03,250 INFO L168 Benchmark]: Sifa took 239039.55 ms. Allocated memory was 224.9 MB in the beginning and 158.9 MB in the end (delta: -66.1 MB). Free memory was 155.6 MB in the beginning and 63.6 MB in the end (delta: 92.0 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. [2019-09-19 23:32:03,254 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 140.0 MB. Free memory is still 104.2 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 657.99 ms. Allocated memory was 140.0 MB in the beginning and 199.8 MB in the end (delta: 59.8 MB). Free memory was 85.2 MB in the beginning and 167.1 MB in the end (delta: -81.9 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 80.49 ms. Allocated memory is still 199.8 MB. Free memory was 166.2 MB in the beginning and 162.3 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1607.13 ms. Allocated memory was 199.8 MB in the beginning and 224.9 MB in the end (delta: 25.2 MB). Free memory was 162.3 MB in the beginning and 155.6 MB in the end (delta: 6.8 MB). Peak memory consumption was 91.0 MB. Max. memory is 7.1 GB. * Sifa took 239039.55 ms. Allocated memory was 224.9 MB in the beginning and 158.9 MB in the end (delta: -66.1 MB). Free memory was 155.6 MB in the beginning and 63.6 MB in the end (delta: 92.0 MB). Peak memory consumption was 26.0 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]: 239003, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 410, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 268, TOOLS_POST_TIME[ms]: 29077, TOOLS_POST_CALL_APPLICATIONS: 113, TOOLS_POST_CALL_TIME[ms]: 308, TOOLS_POST_RETURN_APPLICATIONS: 104, TOOLS_POST_RETURN_TIME[ms]: 198, TOOLS_QUANTIFIERELIM_APPLICATIONS: 485, TOOLS_QUANTIFIERELIM_TIME[ms]: 29389, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 28886, FLUID_QUERY_TIME[ms]: 1, FLUID_QUERIES: 426, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 113, DOMAIN_JOIN_TIME[ms]: 202256, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 6473, DOMAIN_ISSUBSETEQ_APPLICATIONS: 16, DOMAIN_ISSUBSETEQ_TIME[ms]: 54, DOMAIN_ISBOTTOM_APPLICATIONS: 71, DOMAIN_ISBOTTOM_TIME[ms]: 478, LOOP_SUMMARIZER_APPLICATIONS: 12, LOOP_SUMMARIZER_CACHE_MISSES: 12, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 121832, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 121831, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 16, CALL_SUMMARIZER_APPLICATIONS: 104, CALL_SUMMARIZER_CACHE_MISSES: 19, CALL_SUMMARIZER_OVERALL_TIME[ms]: 33341, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 33340, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 41, DAG_COMPRESSION_PROCESSED_NODES: 514, DAG_COMPRESSION_RETAINED_NODES: 281 - UnprovableResult [Line: 838]: 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 775#(and (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~pumpRunning~0 2147483648)) (= 0 ~waterLevel~0) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...