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 AlwaysFluid --sifa.intern.fluid AlwaysFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product21.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 22:31:39,796 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 22:31:39,798 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 22:31:39,810 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 22:31:39,810 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 22:31:39,811 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 22:31:39,812 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 22:31:39,814 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 22:31:39,816 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 22:31:39,817 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 22:31:39,818 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 22:31:39,819 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 22:31:39,820 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 22:31:39,821 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 22:31:39,822 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 22:31:39,823 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 22:31:39,823 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 22:31:39,824 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 22:31:39,826 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 22:31:39,828 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 22:31:39,830 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 22:31:39,831 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 22:31:39,833 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 22:31:39,833 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 22:31:39,836 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 22:31:39,836 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 22:31:39,837 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 22:31:39,838 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 22:31:39,838 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 22:31:39,839 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 22:31:39,840 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 22:31:39,840 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 22:31:39,841 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 22:31:39,842 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 22:31:39,843 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 22:31:39,843 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 22:31:39,844 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 22:31:39,844 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 22:31:39,845 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 22:31:39,846 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 22:31:39,847 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 22:31:39,847 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 [2019-09-20 22:31:39,863 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 22:31:39,863 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 22:31:39,864 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 22:31:39,864 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 22:31:39,864 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 22:31:39,865 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 22:31:39,865 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 22:31:39,867 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 22:31:39,867 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 22:31:39,868 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 22:31:39,868 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 22:31:39,868 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 22:31:39,868 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 22:31:39,868 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 22:31:39,869 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 22:31:39,869 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 22:31:39,869 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 22:31:39,869 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 22:31:39,869 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 22:31:39,869 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 22:31:39,870 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 22:31:39,870 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 22:31:39,871 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 22:31:39,872 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 22:31:39,872 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 22:31:39,872 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 22:31:39,873 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 22:31:39,873 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 22:31:39,873 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 -> AlwaysFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> AlwaysFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 22:31:39,916 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 22:31:39,928 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 22:31:39,931 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 22:31:39,934 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 22:31:39,935 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 22:31:39,935 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product21.cil.c [2019-09-20 22:31:40,013 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3bd2dcf18/be99347f51d04c10a5819edf91b57071/FLAGa87a0c047 [2019-09-20 22:31:40,533 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 22:31:40,533 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product21.cil.c [2019-09-20 22:31:40,558 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3bd2dcf18/be99347f51d04c10a5819edf91b57071/FLAGa87a0c047 [2019-09-20 22:31:40,851 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3bd2dcf18/be99347f51d04c10a5819edf91b57071 [2019-09-20 22:31:40,862 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 22:31:40,864 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 22:31:40,864 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 22:31:40,865 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 22:31:40,867 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 22:31:40,868 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 10:31:40" (1/1) ... [2019-09-20 22:31:40,870 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42e30681 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:31:40, skipping insertion in model container [2019-09-20 22:31:40,871 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 10:31:40" (1/1) ... [2019-09-20 22:31:40,877 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 22:31:40,938 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 22:31:41,337 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 22:31:41,353 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 22:31:41,443 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 22:31:41,490 INFO L192 MainTranslator]: Completed translation [2019-09-20 22:31:41,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:31:41 WrapperNode [2019-09-20 22:31:41,491 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 22:31:41,492 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 22:31:41,492 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 22:31:41,492 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 22:31:41,505 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:31:41" (1/1) ... [2019-09-20 22:31:41,505 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:31:41" (1/1) ... [2019-09-20 22:31:41,542 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:31:41" (1/1) ... [2019-09-20 22:31:41,542 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:31:41" (1/1) ... [2019-09-20 22:31:41,572 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:31:41" (1/1) ... [2019-09-20 22:31:41,583 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:31:41" (1/1) ... [2019-09-20 22:31:41,588 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:31:41" (1/1) ... [2019-09-20 22:31:41,596 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 22:31:41,597 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 22:31:41,597 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 22:31:41,597 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 22:31:41,598 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:31:41" (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 [2019-09-20 22:31:41,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 22:31:41,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 22:31:41,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 22:31:41,690 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 22:31:41,691 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 22:31:41,691 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 22:31:41,692 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 22:31:41,692 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 22:31:41,692 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 22:31:41,692 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-09-20 22:31:41,692 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-09-20 22:31:41,693 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 22:31:41,693 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 22:31:41,694 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 22:31:41,694 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 22:31:41,694 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 22:31:41,696 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 22:31:41,696 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 22:31:41,697 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 22:31:41,697 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 22:31:41,697 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 22:31:41,698 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 22:31:41,698 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-20 22:31:41,698 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 22:31:41,698 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 22:31:41,698 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 22:31:41,698 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 22:31:41,699 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 22:31:41,699 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 22:31:41,699 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 22:31:41,700 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-20 22:31:41,700 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 22:31:41,700 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 22:31:41,700 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 22:31:41,700 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 22:31:41,700 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 22:31:41,700 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 22:31:41,701 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-20 22:31:41,701 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 22:31:41,701 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 22:31:41,701 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 22:31:41,701 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 22:31:41,701 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 22:31:41,702 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 22:31:41,702 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 22:31:41,702 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 22:31:41,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 22:31:41,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 22:31:41,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 22:31:41,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 22:31:41,703 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 22:31:41,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 22:31:41,703 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 22:31:41,703 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 22:31:41,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 22:31:41,703 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 22:31:41,704 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 22:31:41,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 22:31:41,704 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 22:31:41,705 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 22:31:41,705 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 22:31:41,705 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 22:31:41,705 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-09-20 22:31:41,705 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-09-20 22:31:41,706 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 22:31:41,706 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 22:31:41,706 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 22:31:41,706 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 22:31:41,706 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 22:31:41,706 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 22:31:41,706 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 22:31:41,707 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 22:31:41,707 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 22:31:41,708 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 22:31:41,708 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 22:31:41,708 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 22:31:41,709 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 22:31:41,709 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 22:31:41,709 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 22:31:41,710 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 22:31:41,710 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-20 22:31:41,711 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 22:31:41,711 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 22:31:41,711 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 22:31:41,711 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 22:31:41,711 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 22:31:41,712 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-20 22:31:41,712 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-20 22:31:41,713 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 22:31:41,713 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 22:31:41,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 22:31:41,713 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 22:31:43,500 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 22:31:43,500 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 22:31:43,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 10:31:43 BoogieIcfgContainer [2019-09-20 22:31:43,502 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 22:31:43,502 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 22:31:43,502 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 22:31:43,503 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 22:31:43,504 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 10:31:43" (1/1) ... [2019-09-20 22:31:43,504 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=AlwaysFluid ♦ 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=AlwaysFluid [2019-09-20 22:31:43,527 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 22:31:43,527 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 22:31:43,536 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 22:31:43,546 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 22:31:43,547 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 22:32:07,951 WARN L191 SmtUtils]: Spent 14.05 s on a formula simplification that was a NOOP. DAG size: 466 [2019-09-20 22:32:09,786 WARN L191 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-20 22:32:13,817 WARN L191 SmtUtils]: Spent 4.02 s on a formula simplification. DAG size of input: 474 DAG size of output: 424 [2019-09-20 22:32:15,544 WARN L191 SmtUtils]: Spent 1.72 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-20 22:32:17,341 WARN L191 SmtUtils]: Spent 1.80 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-20 22:32:17,354 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 13 for LOIs [2019-09-20 22:32:17,385 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 13 for LOIs [2019-09-20 22:32:17,394 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 15 for LOIs [2019-09-20 22:32:18,321 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 10 for LOIs [2019-09-20 22:32:18,366 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 10 for LOIs [2019-09-20 22:32:18,377 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification2_spec__2 with input of size 3 for LOIs [2019-09-20 22:32:18,384 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 1 for LOIs [2019-09-20 22:32:18,386 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 22:32:18,386 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 22:32:18,388 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 563#true [2019-09-20 22:32:18,400 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 22:32:18,401 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 22:32:18,403 INFO L168 Benchmark]: Toolchain (without parser) took 37538.99 ms. Allocated memory was 139.5 MB in the beginning and 455.6 MB in the end (delta: 316.1 MB). Free memory was 86.2 MB in the beginning and 369.6 MB in the end (delta: -283.5 MB). Peak memory consumption was 32.7 MB. Max. memory is 7.1 GB. [2019-09-20 22:32:18,403 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory was 105.6 MB in the beginning and 105.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 22:32:18,405 INFO L168 Benchmark]: CACSL2BoogieTranslator took 626.79 ms. Allocated memory was 139.5 MB in the beginning and 199.8 MB in the end (delta: 60.3 MB). Free memory was 85.9 MB in the beginning and 165.8 MB in the end (delta: -79.8 MB). Peak memory consumption was 22.1 MB. Max. memory is 7.1 GB. [2019-09-20 22:32:18,406 INFO L168 Benchmark]: Boogie Preprocessor took 104.81 ms. Allocated memory is still 199.8 MB. Free memory was 165.8 MB in the beginning and 161.5 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-09-20 22:32:18,407 INFO L168 Benchmark]: RCFGBuilder took 1905.24 ms. Allocated memory was 199.8 MB in the beginning and 223.9 MB in the end (delta: 24.1 MB). Free memory was 161.5 MB in the beginning and 142.5 MB in the end (delta: 19.0 MB). Peak memory consumption was 91.2 MB. Max. memory is 7.1 GB. [2019-09-20 22:32:18,408 INFO L168 Benchmark]: Sifa took 34898.47 ms. Allocated memory was 223.9 MB in the beginning and 455.6 MB in the end (delta: 231.7 MB). Free memory was 142.5 MB in the beginning and 369.6 MB in the end (delta: -227.1 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2019-09-20 22:32:18,412 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory was 105.6 MB in the beginning and 105.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 626.79 ms. Allocated memory was 139.5 MB in the beginning and 199.8 MB in the end (delta: 60.3 MB). Free memory was 85.9 MB in the beginning and 165.8 MB in the end (delta: -79.8 MB). Peak memory consumption was 22.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 104.81 ms. Allocated memory is still 199.8 MB. Free memory was 165.8 MB in the beginning and 161.5 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1905.24 ms. Allocated memory was 199.8 MB in the beginning and 223.9 MB in the end (delta: 24.1 MB). Free memory was 161.5 MB in the beginning and 142.5 MB in the end (delta: 19.0 MB). Peak memory consumption was 91.2 MB. Max. memory is 7.1 GB. * Sifa took 34898.47 ms. Allocated memory was 223.9 MB in the beginning and 455.6 MB in the end (delta: 231.7 MB). Free memory was 142.5 MB in the beginning and 369.6 MB in the end (delta: -227.1 MB). Peak memory consumption was 4.6 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]: 34862, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 186, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 116, TOOLS_POST_TIME[ms]: 30220, TOOLS_POST_CALL_APPLICATIONS: 59, TOOLS_POST_CALL_TIME[ms]: 57, TOOLS_POST_RETURN_APPLICATIONS: 50, TOOLS_POST_RETURN_TIME[ms]: 32, TOOLS_QUANTIFIERELIM_APPLICATIONS: 225, TOOLS_QUANTIFIERELIM_TIME[ms]: 30260, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 30189, FLUID_QUERY_TIME[ms]: 1, FLUID_QUERIES: 188, FLUID_YES_ANSWERS: 188, DOMAIN_JOIN_APPLICATIONS: 61, DOMAIN_JOIN_TIME[ms]: 4186, DOMAIN_ALPHA_APPLICATIONS: 188, DOMAIN_ALPHA_TIME[ms]: 224, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 1, DOMAIN_ISBOTTOM_APPLICATIONS: 31, DOMAIN_ISBOTTOM_TIME[ms]: 27, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 568, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 568, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 50, CALL_SUMMARIZER_CACHE_MISSES: 24, CALL_SUMMARIZER_OVERALL_TIME[ms]: 34223, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 34220, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 25, DAG_COMPRESSION_PROCESSED_NODES: 448, DAG_COMPRESSION_RETAINED_NODES: 205 - UnprovableResult [Line: 650]: 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 563#true. Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...