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 SequenceOfStatements --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product57.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-18 04:27:41,838 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-18 04:27:41,840 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-18 04:27:41,851 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-18 04:27:41,852 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-18 04:27:41,853 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-18 04:27:41,854 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-18 04:27:41,856 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-18 04:27:41,857 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-18 04:27:41,858 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-18 04:27:41,859 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-18 04:27:41,860 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-18 04:27:41,861 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-18 04:27:41,862 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-18 04:27:41,863 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-18 04:27:41,864 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-18 04:27:41,864 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-18 04:27:41,865 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-18 04:27:41,867 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-18 04:27:41,868 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-18 04:27:41,870 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-18 04:27:41,871 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-18 04:27:41,872 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-18 04:27:41,873 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-18 04:27:41,875 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-18 04:27:41,875 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-18 04:27:41,875 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-18 04:27:41,876 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-18 04:27:41,876 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-18 04:27:41,877 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-18 04:27:41,878 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-18 04:27:41,878 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-18 04:27:41,879 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-18 04:27:41,880 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-18 04:27:41,881 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-18 04:27:41,881 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-18 04:27:41,881 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-18 04:27:41,882 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-18 04:27:41,882 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-18 04:27:41,883 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-18 04:27:41,883 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-18 04:27:41,884 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 04:27:41,898 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-18 04:27:41,898 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-18 04:27:41,899 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-18 04:27:41,899 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-18 04:27:41,899 INFO L138 SettingsManager]: * Use SBE=true [2019-09-18 04:27:41,900 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-18 04:27:41,900 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-18 04:27:41,900 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-18 04:27:41,900 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-18 04:27:41,900 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-18 04:27:41,901 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-18 04:27:41,901 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-18 04:27:41,901 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-18 04:27:41,901 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-18 04:27:41,901 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-18 04:27:41,902 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-18 04:27:41,902 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-18 04:27:41,902 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-18 04:27:41,902 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-18 04:27:41,902 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-18 04:27:41,903 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-18 04:27:41,903 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 04:27:41,903 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-18 04:27:41,903 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-18 04:27:41,904 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-18 04:27:41,904 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-18 04:27:41,904 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-18 04:27:41,904 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-18 04:27:41,904 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 -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-18 04:27:41,939 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-18 04:27:41,954 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-18 04:27:41,959 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-18 04:27:41,963 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-18 04:27:41,964 INFO L275 PluginConnector]: CDTParser initialized [2019-09-18 04:27:41,964 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product57.cil.c [2019-09-18 04:27:42,042 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65b890e91/c9b8cf886ccc4b0dae4ac9c740f48129/FLAGe161243a3 [2019-09-18 04:27:42,557 INFO L306 CDTParser]: Found 1 translation units. [2019-09-18 04:27:42,558 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product57.cil.c [2019-09-18 04:27:42,573 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65b890e91/c9b8cf886ccc4b0dae4ac9c740f48129/FLAGe161243a3 [2019-09-18 04:27:42,913 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65b890e91/c9b8cf886ccc4b0dae4ac9c740f48129 [2019-09-18 04:27:42,923 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-18 04:27:42,925 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-18 04:27:42,926 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-18 04:27:42,926 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-18 04:27:42,929 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-18 04:27:42,930 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 04:27:42" (1/1) ... [2019-09-18 04:27:42,933 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ff61ea5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:27:42, skipping insertion in model container [2019-09-18 04:27:42,933 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 04:27:42" (1/1) ... [2019-09-18 04:27:42,941 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-18 04:27:42,997 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-18 04:27:43,492 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 04:27:43,508 INFO L188 MainTranslator]: Completed pre-run [2019-09-18 04:27:43,580 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 04:27:43,627 INFO L192 MainTranslator]: Completed translation [2019-09-18 04:27:43,627 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:27:43 WrapperNode [2019-09-18 04:27:43,628 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-18 04:27:43,628 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-18 04:27:43,628 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-18 04:27:43,629 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-18 04:27:43,642 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:27:43" (1/1) ... [2019-09-18 04:27:43,643 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:27:43" (1/1) ... [2019-09-18 04:27:43,668 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:27:43" (1/1) ... [2019-09-18 04:27:43,668 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:27:43" (1/1) ... [2019-09-18 04:27:43,707 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:27:43" (1/1) ... [2019-09-18 04:27:43,726 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:27:43" (1/1) ... [2019-09-18 04:27:43,735 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:27:43" (1/1) ... [2019-09-18 04:27:43,747 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-18 04:27:43,748 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-18 04:27:43,748 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-18 04:27:43,748 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-18 04:27:43,749 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:27:43" (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 04:27:43,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-18 04:27:43,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-18 04:27:43,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-18 04:27:43,808 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-18 04:27:43,808 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-18 04:27:43,808 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-18 04:27:43,808 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-18 04:27:43,808 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-18 04:27:43,808 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-18 04:27:43,809 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-18 04:27:43,809 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-18 04:27:43,809 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-18 04:27:43,809 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-18 04:27:43,809 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-18 04:27:43,809 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-18 04:27:43,810 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-18 04:27:43,810 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-18 04:27:43,810 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-18 04:27:43,810 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-18 04:27:43,810 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-18 04:27:43,810 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-18 04:27:43,811 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-09-18 04:27:43,811 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-18 04:27:43,811 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-18 04:27:43,811 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-18 04:27:43,811 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-18 04:27:43,811 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-18 04:27:43,812 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-18 04:27:43,812 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-18 04:27:43,812 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-18 04:27:43,812 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-18 04:27:43,812 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-18 04:27:43,812 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-18 04:27:43,813 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-18 04:27:43,813 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-18 04:27:43,813 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-18 04:27:43,813 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-18 04:27:43,813 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-18 04:27:43,813 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-18 04:27:43,814 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-18 04:27:43,814 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-18 04:27:43,814 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-18 04:27:43,814 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-18 04:27:43,814 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-18 04:27:43,814 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-18 04:27:43,815 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-18 04:27:43,815 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-18 04:27:43,815 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-18 04:27:43,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-18 04:27:43,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-18 04:27:43,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-18 04:27:43,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-18 04:27:43,816 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-18 04:27:43,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-18 04:27:43,816 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-18 04:27:43,816 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-18 04:27:43,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-18 04:27:43,816 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-18 04:27:43,817 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-18 04:27:43,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-18 04:27:43,817 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-18 04:27:43,817 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-18 04:27:43,817 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-18 04:27:43,817 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-18 04:27:43,818 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-18 04:27:43,818 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-18 04:27:43,818 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-18 04:27:43,818 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-18 04:27:43,818 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-18 04:27:43,818 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-18 04:27:43,819 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-18 04:27:43,819 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-18 04:27:43,819 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-18 04:27:43,819 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-18 04:27:43,819 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-18 04:27:43,819 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-09-18 04:27:43,820 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-18 04:27:43,820 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-18 04:27:43,820 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-18 04:27:43,820 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-18 04:27:43,820 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-18 04:27:43,820 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-18 04:27:43,821 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-18 04:27:43,821 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-18 04:27:43,821 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-18 04:27:43,821 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-18 04:27:43,821 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-18 04:27:43,821 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-18 04:27:43,822 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-18 04:27:43,822 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-18 04:27:43,822 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-18 04:27:43,822 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-18 04:27:43,822 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-18 04:27:43,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-18 04:27:43,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-18 04:27:43,823 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-18 04:27:44,820 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-18 04:27:44,820 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-18 04:27:44,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 04:27:44 BoogieIcfgContainer [2019-09-18 04:27:44,822 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-18 04:27:44,823 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-18 04:27:44,823 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-18 04:27:44,823 INFO L275 PluginConnector]: Sifa initialized [2019-09-18 04:27:44,824 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 04:27:44" (1/1) ... [2019-09-18 04:27:44,825 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-18 04:27:44,852 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-18 04:27:44,853 INFO L169 IcfgInterpreter]: Building call graph [2019-09-18 04:27:44,868 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-18 04:27:44,878 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-18 04:27:44,880 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-18 04:28:07,688 WARN L191 SmtUtils]: Spent 13.30 s on a formula simplification that was a NOOP. DAG size: 464 [2019-09-18 04:28:09,390 WARN L191 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-18 04:28:13,091 WARN L191 SmtUtils]: Spent 3.69 s on a formula simplification. DAG size of input: 472 DAG size of output: 422 [2019-09-18 04:28:14,787 WARN L191 SmtUtils]: Spent 1.69 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-18 04:28:16,487 WARN L191 SmtUtils]: Spent 1.70 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-18 04:28:16,501 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 428 for LOIs [2019-09-18 04:28:16,563 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 428 for LOIs [2019-09-18 04:28:16,569 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 428 for LOIs [2019-09-18 04:28:27,338 WARN L191 SmtUtils]: Spent 10.59 s on a formula simplification. DAG size of input: 441 DAG size of output: 440 [2019-09-18 04:28:32,622 WARN L191 SmtUtils]: Spent 5.28 s on a formula simplification that was a NOOP. DAG size: 440 [2019-09-18 04:28:43,085 WARN L191 SmtUtils]: Spent 10.46 s on a formula simplification. DAG size of input: 441 DAG size of output: 440 [2019-09-18 04:28:48,267 WARN L191 SmtUtils]: Spent 5.18 s on a formula simplification that was a NOOP. DAG size: 440 [2019-09-18 04:29:05,556 WARN L191 SmtUtils]: Spent 17.23 s on a formula simplification. DAG size of input: 455 DAG size of output: 453 [2019-09-18 04:29:14,163 WARN L191 SmtUtils]: Spent 8.61 s on a formula simplification that was a NOOP. DAG size: 453 [2019-09-18 04:29:31,912 WARN L191 SmtUtils]: Spent 17.69 s on a formula simplification. DAG size of input: 467 DAG size of output: 460 [2019-09-18 04:29:40,684 WARN L191 SmtUtils]: Spent 8.77 s on a formula simplification that was a NOOP. DAG size: 460 [2019-09-18 04:29:49,562 WARN L191 SmtUtils]: Spent 8.88 s on a formula simplification that was a NOOP. DAG size: 466 [2019-09-18 04:29:58,422 WARN L191 SmtUtils]: Spent 8.86 s on a formula simplification that was a NOOP. DAG size: 466 [2019-09-18 04:30:10,657 WARN L191 SmtUtils]: Spent 10.91 s on a formula simplification. DAG size of input: 460 DAG size of output: 455 [2019-09-18 04:30:16,034 WARN L191 SmtUtils]: Spent 5.37 s on a formula simplification that was a NOOP. DAG size: 455 [2019-09-18 04:30:21,406 WARN L191 SmtUtils]: Spent 5.34 s on a formula simplification that was a NOOP. DAG size: 453 [2019-09-18 04:30:26,706 WARN L191 SmtUtils]: Spent 5.30 s on a formula simplification that was a NOOP. DAG size: 453 [2019-09-18 04:30:40,497 WARN L191 SmtUtils]: Spent 13.79 s on a formula simplification. DAG size of input: 462 DAG size of output: 451 [2019-09-18 04:30:45,761 WARN L191 SmtUtils]: Spent 5.26 s on a formula simplification that was a NOOP. DAG size: 451 [2019-09-18 04:30:59,532 WARN L191 SmtUtils]: Spent 13.77 s on a formula simplification. DAG size of input: 462 DAG size of output: 451 [2019-09-18 04:31:04,817 WARN L191 SmtUtils]: Spent 5.28 s on a formula simplification that was a NOOP. DAG size: 451 [2019-09-18 04:31:16,990 WARN L191 SmtUtils]: Spent 12.15 s on a formula simplification that was a NOOP. DAG size: 469 [2019-09-18 04:31:17,448 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 36 [2019-09-18 04:31:17,596 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 36 [2019-09-18 04:31:43,978 WARN L191 SmtUtils]: Spent 26.12 s on a formula simplification. DAG size of input: 455 DAG size of output: 453 [2019-09-18 04:31:52,729 WARN L191 SmtUtils]: Spent 8.75 s on a formula simplification that was a NOOP. DAG size: 453 [2019-09-18 04:32:10,434 WARN L191 SmtUtils]: Spent 17.66 s on a formula simplification. DAG size of input: 467 DAG size of output: 460 [2019-09-18 04:32:19,214 WARN L191 SmtUtils]: Spent 8.78 s on a formula simplification that was a NOOP. DAG size: 460 [2019-09-18 04:32:28,065 WARN L191 SmtUtils]: Spent 8.85 s on a formula simplification that was a NOOP. DAG size: 466 [2019-09-18 04:32:37,017 WARN L191 SmtUtils]: Spent 8.95 s on a formula simplification that was a NOOP. DAG size: 466 [2019-09-18 04:32:53,637 WARN L191 SmtUtils]: Spent 16.55 s on a formula simplification. DAG size of input: 460 DAG size of output: 455 [2019-09-18 04:32:59,000 WARN L191 SmtUtils]: Spent 5.36 s on a formula simplification that was a NOOP. DAG size: 455 [2019-09-18 04:33:04,500 WARN L191 SmtUtils]: Spent 5.47 s on a formula simplification that was a NOOP. DAG size: 453 [2019-09-18 04:33:09,866 WARN L191 SmtUtils]: Spent 5.36 s on a formula simplification that was a NOOP. DAG size: 453 [2019-09-18 04:33:23,642 WARN L191 SmtUtils]: Spent 13.77 s on a formula simplification. DAG size of input: 462 DAG size of output: 451 [2019-09-18 04:33:28,901 WARN L191 SmtUtils]: Spent 5.26 s on a formula simplification that was a NOOP. DAG size: 451 [2019-09-18 04:33:43,073 WARN L191 SmtUtils]: Spent 14.17 s on a formula simplification. DAG size of input: 462 DAG size of output: 451 [2019-09-18 04:33:48,520 WARN L191 SmtUtils]: Spent 5.45 s on a formula simplification that was a NOOP. DAG size: 451 [2019-09-18 04:34:01,063 WARN L191 SmtUtils]: Spent 12.52 s on a formula simplification that was a NOOP. DAG size: 469 [2019-09-18 04:34:01,458 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 36 [2019-09-18 04:34:01,628 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 36 [2019-09-18 04:34:01,765 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 7 for LOIs [2019-09-18 04:34:02,225 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 7 for LOIs [2019-09-18 04:34:02,307 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification3_spec__1 with input of size 1 for LOIs [2019-09-18 04:34:02,311 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 17 for LOIs [2019-09-18 04:34:02,330 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-18 04:34:02,331 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-18 04:34:02,333 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 609#(and (= 0 ~methaneLevelCritical~0) (= 2 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-09-18 04:34:02,343 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-18 04:34:02,344 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-18 04:34:02,346 INFO L168 Benchmark]: Toolchain (without parser) took 379421.02 ms. Allocated memory was 141.0 MB in the beginning and 155.2 MB in the end (delta: 14.2 MB). Free memory was 86.1 MB in the beginning and 107.6 MB in the end (delta: -21.5 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-18 04:34:02,347 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 141.0 MB. Free memory was 105.8 MB in the beginning and 105.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-18 04:34:02,348 INFO L168 Benchmark]: CACSL2BoogieTranslator took 702.29 ms. Allocated memory was 141.0 MB in the beginning and 200.8 MB in the end (delta: 59.8 MB). Free memory was 85.9 MB in the beginning and 164.9 MB in the end (delta: -79.0 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB. [2019-09-18 04:34:02,348 INFO L168 Benchmark]: Boogie Preprocessor took 118.95 ms. Allocated memory is still 200.8 MB. Free memory was 164.9 MB in the beginning and 160.8 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-09-18 04:34:02,349 INFO L168 Benchmark]: RCFGBuilder took 1074.69 ms. Allocated memory was 200.8 MB in the beginning and 228.1 MB in the end (delta: 27.3 MB). Free memory was 160.3 MB in the beginning and 190.4 MB in the end (delta: -30.2 MB). Peak memory consumption was 85.8 MB. Max. memory is 7.1 GB. [2019-09-18 04:34:02,350 INFO L168 Benchmark]: Sifa took 377521.05 ms. Allocated memory was 228.1 MB in the beginning and 155.2 MB in the end (delta: -72.9 MB). Free memory was 190.4 MB in the beginning and 107.6 MB in the end (delta: 82.9 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2019-09-18 04:34:02,354 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 141.0 MB. Free memory was 105.8 MB in the beginning and 105.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 702.29 ms. Allocated memory was 141.0 MB in the beginning and 200.8 MB in the end (delta: 59.8 MB). Free memory was 85.9 MB in the beginning and 164.9 MB in the end (delta: -79.0 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 118.95 ms. Allocated memory is still 200.8 MB. Free memory was 164.9 MB in the beginning and 160.8 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1074.69 ms. Allocated memory was 200.8 MB in the beginning and 228.1 MB in the end (delta: 27.3 MB). Free memory was 160.3 MB in the beginning and 190.4 MB in the end (delta: -30.2 MB). Peak memory consumption was 85.8 MB. Max. memory is 7.1 GB. * Sifa took 377521.05 ms. Allocated memory was 228.1 MB in the beginning and 155.2 MB in the end (delta: -72.9 MB). Free memory was 190.4 MB in the beginning and 107.6 MB in the end (delta: 82.9 MB). Peak memory consumption was 10.0 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]: 377481, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 324, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 235, TOOLS_POST_TIME[ms]: 28245, TOOLS_POST_CALL_APPLICATIONS: 73, TOOLS_POST_CALL_TIME[ms]: 178, TOOLS_POST_RETURN_APPLICATIONS: 64, TOOLS_POST_RETURN_TIME[ms]: 95, TOOLS_QUANTIFIERELIM_APPLICATIONS: 371, TOOLS_QUANTIFIERELIM_TIME[ms]: 28399, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 28130, FLUID_QUERY_TIME[ms]: 16, FLUID_QUERIES: 333, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 101, DOMAIN_JOIN_TIME[ms]: 323449, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 6, DOMAIN_WIDEN_TIME[ms]: 24919, DOMAIN_ISSUBSETEQ_APPLICATIONS: 9, DOMAIN_ISSUBSETEQ_TIME[ms]: 54, DOMAIN_ISBOTTOM_APPLICATIONS: 57, DOMAIN_ISBOTTOM_TIME[ms]: 374, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 252870, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 252869, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 9, CALL_SUMMARIZER_APPLICATIONS: 64, CALL_SUMMARIZER_CACHE_MISSES: 28, CALL_SUMMARIZER_OVERALL_TIME[ms]: 32963, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 32962, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 38, DAG_COMPRESSION_PROCESSED_NODES: 491, DAG_COMPRESSION_RETAINED_NODES: 279 - UnprovableResult [Line: 595]: 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 609#(and (= 0 ~methaneLevelCritical~0) (= 2 ~waterLevel~0) (= ~pumpRunning~0 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...