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_product16.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-19 23:35:29,779 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-19 23:35:29,782 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-19 23:35:29,800 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-19 23:35:29,801 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-19 23:35:29,802 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-19 23:35:29,805 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-19 23:35:29,814 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-19 23:35:29,818 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-19 23:35:29,822 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-19 23:35:29,823 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-19 23:35:29,825 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-19 23:35:29,825 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-19 23:35:29,827 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-19 23:35:29,829 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-19 23:35:29,830 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-19 23:35:29,832 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-19 23:35:29,833 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-19 23:35:29,835 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-19 23:35:29,840 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-19 23:35:29,844 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-19 23:35:29,846 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-19 23:35:29,850 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-19 23:35:29,851 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-19 23:35:29,853 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-19 23:35:29,853 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-19 23:35:29,853 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-19 23:35:29,855 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-19 23:35:29,856 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-19 23:35:29,857 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-19 23:35:29,858 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-19 23:35:29,859 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-19 23:35:29,860 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-19 23:35:29,861 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-19 23:35:29,863 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-19 23:35:29,863 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-19 23:35:29,864 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-19 23:35:29,864 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-19 23:35:29,864 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-19 23:35:29,865 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-19 23:35:29,865 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-19 23:35:29,867 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 23:35:29,905 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-19 23:35:29,906 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-19 23:35:29,907 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-19 23:35:29,907 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-19 23:35:29,907 INFO L138 SettingsManager]: * Use SBE=true [2019-09-19 23:35:29,907 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-19 23:35:29,908 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-19 23:35:29,908 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-19 23:35:29,908 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-19 23:35:29,911 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-19 23:35:29,911 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-19 23:35:29,912 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-19 23:35:29,912 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-19 23:35:29,912 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-19 23:35:29,913 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-19 23:35:29,913 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-19 23:35:29,914 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-19 23:35:29,914 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-19 23:35:29,914 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-19 23:35:29,914 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-19 23:35:29,914 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-19 23:35:29,915 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-19 23:35:29,915 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-19 23:35:29,915 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-19 23:35:29,915 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-19 23:35:29,915 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-19 23:35:29,916 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-19 23:35:29,916 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-19 23:35:29,916 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 23:35:29,963 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-19 23:35:29,975 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-19 23:35:29,978 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-19 23:35:29,980 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-19 23:35:29,980 INFO L275 PluginConnector]: CDTParser initialized [2019-09-19 23:35:29,981 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product16.cil.c [2019-09-19 23:35:30,039 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92db403d0/0ebd7ac1280d4c92a58269ef45ad4988/FLAG51f2438fd [2019-09-19 23:35:30,507 INFO L306 CDTParser]: Found 1 translation units. [2019-09-19 23:35:30,508 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product16.cil.c [2019-09-19 23:35:30,522 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92db403d0/0ebd7ac1280d4c92a58269ef45ad4988/FLAG51f2438fd [2019-09-19 23:35:30,851 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92db403d0/0ebd7ac1280d4c92a58269ef45ad4988 [2019-09-19 23:35:30,860 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-19 23:35:30,861 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-19 23:35:30,862 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-19 23:35:30,862 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-19 23:35:30,866 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-19 23:35:30,867 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 11:35:30" (1/1) ... [2019-09-19 23:35:30,870 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26d65d11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:35:30, skipping insertion in model container [2019-09-19 23:35:30,870 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 11:35:30" (1/1) ... [2019-09-19 23:35:30,877 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-19 23:35:30,926 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-19 23:35:31,406 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 23:35:31,431 INFO L188 MainTranslator]: Completed pre-run [2019-09-19 23:35:31,564 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 23:35:31,599 INFO L192 MainTranslator]: Completed translation [2019-09-19 23:35:31,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:35:31 WrapperNode [2019-09-19 23:35:31,600 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-19 23:35:31,601 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-19 23:35:31,601 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-19 23:35:31,601 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-19 23:35:31,615 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:35:31" (1/1) ... [2019-09-19 23:35:31,615 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:35:31" (1/1) ... [2019-09-19 23:35:31,633 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:35:31" (1/1) ... [2019-09-19 23:35:31,634 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:35:31" (1/1) ... [2019-09-19 23:35:31,679 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:35:31" (1/1) ... [2019-09-19 23:35:31,694 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:35:31" (1/1) ... [2019-09-19 23:35:31,702 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:35:31" (1/1) ... [2019-09-19 23:35:31,719 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-19 23:35:31,720 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-19 23:35:31,720 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-19 23:35:31,721 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-19 23:35:31,722 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:35:31" (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 23:35:31,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-19 23:35:31,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-19 23:35:31,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-19 23:35:31,801 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-19 23:35:31,802 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-19 23:35:31,802 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-19 23:35:31,803 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-19 23:35:31,804 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-19 23:35:31,804 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-19 23:35:31,804 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-19 23:35:31,804 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-19 23:35:31,805 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-19 23:35:31,805 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-19 23:35:31,806 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-19 23:35:31,806 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-19 23:35:31,806 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-19 23:35:31,808 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-19 23:35:31,808 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-19 23:35:31,808 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-19 23:35:31,808 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-19 23:35:31,809 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-19 23:35:31,809 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-19 23:35:31,809 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-19 23:35:31,809 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-19 23:35:31,809 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-19 23:35:31,809 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-19 23:35:31,810 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-09-19 23:35:31,810 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-19 23:35:31,810 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2019-09-19 23:35:31,811 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-19 23:35:31,811 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-19 23:35:31,811 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-19 23:35:31,811 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-19 23:35:31,811 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-19 23:35:31,812 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-19 23:35:31,812 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-19 23:35:31,812 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-19 23:35:31,812 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-19 23:35:31,812 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-19 23:35:31,812 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-19 23:35:31,813 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-19 23:35:31,813 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-19 23:35:31,813 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-19 23:35:31,813 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-19 23:35:31,813 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-19 23:35:31,813 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-19 23:35:31,813 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-19 23:35:31,815 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-19 23:35:31,815 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-19 23:35:31,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-19 23:35:31,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-19 23:35:31,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-19 23:35:31,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-19 23:35:31,815 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-19 23:35:31,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-19 23:35:31,816 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-19 23:35:31,816 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-19 23:35:31,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-19 23:35:31,816 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-19 23:35:31,817 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-19 23:35:31,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-19 23:35:31,817 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-19 23:35:31,817 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-19 23:35:31,817 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-19 23:35:31,818 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-19 23:35:31,818 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-19 23:35:31,818 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-19 23:35:31,818 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-19 23:35:31,818 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-19 23:35:31,818 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-19 23:35:31,818 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-19 23:35:31,819 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-19 23:35:31,819 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-19 23:35:31,819 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-19 23:35:31,820 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-19 23:35:31,820 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-19 23:35:31,820 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-19 23:35:31,821 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-19 23:35:31,821 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-19 23:35:31,822 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-19 23:35:31,822 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-19 23:35:31,822 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-19 23:35:31,822 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-19 23:35:31,822 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-19 23:35:31,822 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-09-19 23:35:31,822 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-19 23:35:31,823 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2019-09-19 23:35:31,823 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-19 23:35:31,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-19 23:35:31,823 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-19 23:35:33,300 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-19 23:35:33,300 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-19 23:35:33,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 11:35:33 BoogieIcfgContainer [2019-09-19 23:35:33,302 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-19 23:35:33,302 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-19 23:35:33,303 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-19 23:35:33,303 INFO L275 PluginConnector]: Sifa initialized [2019-09-19 23:35:33,304 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 11:35:33" (1/1) ... [2019-09-19 23:35:33,305 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 23:35:33,333 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-19 23:35:33,333 INFO L169 IcfgInterpreter]: Building call graph [2019-09-19 23:35:33,346 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-19 23:35:33,360 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-19 23:35:33,361 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-19 23:35:57,719 WARN L191 SmtUtils]: Spent 14.20 s on a formula simplification that was a NOOP. DAG size: 464 [2019-09-19 23:35:59,522 WARN L191 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-19 23:36:03,396 WARN L191 SmtUtils]: Spent 3.87 s on a formula simplification. DAG size of input: 472 DAG size of output: 422 [2019-09-19 23:36:05,304 WARN L191 SmtUtils]: Spent 1.90 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-19 23:36:07,162 WARN L191 SmtUtils]: Spent 1.86 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-19 23:36:07,178 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 430 for LOIs [2019-09-19 23:36:07,243 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 430 for LOIs [2019-09-19 23:36:07,248 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 430 for LOIs [2019-09-19 23:36:18,439 WARN L191 SmtUtils]: Spent 11.02 s on a formula simplification. DAG size of input: 443 DAG size of output: 442 [2019-09-19 23:36:23,946 WARN L191 SmtUtils]: Spent 5.51 s on a formula simplification that was a NOOP. DAG size: 442 [2019-09-19 23:36:34,816 WARN L191 SmtUtils]: Spent 10.87 s on a formula simplification. DAG size of input: 443 DAG size of output: 442 [2019-09-19 23:36:40,289 WARN L191 SmtUtils]: Spent 5.47 s on a formula simplification that was a NOOP. DAG size: 442 [2019-09-19 23:36:51,057 WARN L191 SmtUtils]: Spent 10.77 s on a formula simplification. DAG size of input: 443 DAG size of output: 442 [2019-09-19 23:36:56,478 WARN L191 SmtUtils]: Spent 5.42 s on a formula simplification that was a NOOP. DAG size: 442 [2019-09-19 23:37:07,347 WARN L191 SmtUtils]: Spent 10.87 s on a formula simplification. DAG size of input: 443 DAG size of output: 442 [2019-09-19 23:37:12,761 WARN L191 SmtUtils]: Spent 5.41 s on a formula simplification that was a NOOP. DAG size: 442 [2019-09-19 23:37:30,776 WARN L191 SmtUtils]: Spent 17.95 s on a formula simplification. DAG size of input: 457 DAG size of output: 457 [2019-09-19 23:37:39,768 WARN L191 SmtUtils]: Spent 8.99 s on a formula simplification that was a NOOP. DAG size: 457 [2019-09-19 23:38:11,707 WARN L191 SmtUtils]: Spent 31.86 s on a formula simplification. DAG size of input: 482 DAG size of output: 479 [2019-09-19 23:38:27,550 WARN L191 SmtUtils]: Spent 15.84 s on a formula simplification that was a NOOP. DAG size: 479 [2019-09-19 23:38:45,465 WARN L191 SmtUtils]: Spent 17.87 s on a formula simplification. DAG size of input: 457 DAG size of output: 457 [2019-09-19 23:38:54,400 WARN L191 SmtUtils]: Spent 8.93 s on a formula simplification that was a NOOP. DAG size: 457 [2019-09-19 23:39:17,214 WARN L191 SmtUtils]: Spent 22.77 s on a formula simplification that was a NOOP. DAG size: 494 [2019-09-19 23:39:18,028 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2019-09-19 23:39:18,270 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 48 [2019-09-19 23:39:18,650 WARN L191 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2019-09-19 23:39:18,798 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-09-19 23:39:19,121 WARN L191 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 64 [2019-09-19 23:39:19,272 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-09-19 23:39:19,462 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2019-09-19 23:39:19,737 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2019-09-19 23:39:19,929 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2019-09-19 23:39:38,136 WARN L191 SmtUtils]: Spent 17.92 s on a formula simplification. DAG size of input: 457 DAG size of output: 457 [2019-09-19 23:39:47,090 WARN L191 SmtUtils]: Spent 8.95 s on a formula simplification that was a NOOP. DAG size: 457 [2019-09-19 23:40:18,949 WARN L191 SmtUtils]: Spent 31.80 s on a formula simplification. DAG size of input: 482 DAG size of output: 479 [2019-09-19 23:40:34,807 WARN L191 SmtUtils]: Spent 15.86 s on a formula simplification that was a NOOP. DAG size: 479 [2019-09-19 23:40:52,802 WARN L191 SmtUtils]: Spent 17.95 s on a formula simplification. DAG size of input: 457 DAG size of output: 457 [2019-09-19 23:41:01,787 WARN L191 SmtUtils]: Spent 8.98 s on a formula simplification that was a NOOP. DAG size: 457 [2019-09-19 23:41:24,597 WARN L191 SmtUtils]: Spent 22.78 s on a formula simplification that was a NOOP. DAG size: 494 [2019-09-19 23:41:25,094 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2019-09-19 23:41:25,310 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2019-09-19 23:41:25,650 WARN L191 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2019-09-19 23:41:25,790 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2019-09-19 23:41:26,087 WARN L191 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2019-09-19 23:41:26,229 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2019-09-19 23:41:26,419 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2019-09-19 23:41:26,681 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-19 23:41:26,856 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-19 23:41:27,269 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2019-09-19 23:41:27,529 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 48 [2019-09-19 23:41:27,914 WARN L191 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2019-09-19 23:41:28,061 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-09-19 23:41:28,385 WARN L191 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 64 [2019-09-19 23:41:28,534 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-09-19 23:41:28,724 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2019-09-19 23:41:28,979 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2019-09-19 23:41:29,167 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2019-09-19 23:41:29,174 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 24 for LOIs [2019-09-19 23:41:29,297 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 41 [2019-09-19 23:41:29,664 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 46 [2019-09-19 23:41:29,927 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2019-09-19 23:41:30,223 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2019-09-19 23:41:30,541 WARN L191 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 54 [2019-09-19 23:41:30,650 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 7 for LOIs [2019-09-19 23:41:30,748 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 11 for LOIs [2019-09-19 23:41:30,752 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 20 for LOIs [2019-09-19 23:41:30,807 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-19 23:41:30,807 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-19 23:41:30,809 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 506#(and (<= ~pumpRunning~0 2147483647) (or (= 0 ~methaneLevelCritical~0) (= 0 ~systemActive~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (= 0 ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2019-09-19 23:41:30,821 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-19 23:41:30,822 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-19 23:41:30,823 INFO L168 Benchmark]: Toolchain (without parser) took 359961.69 ms. Allocated memory was 135.8 MB in the beginning and 155.7 MB in the end (delta: 19.9 MB). Free memory was 90.4 MB in the beginning and 108.2 MB in the end (delta: -17.8 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-09-19 23:41:30,824 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 135.8 MB. Free memory was 110.1 MB in the beginning and 109.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-19 23:41:30,825 INFO L168 Benchmark]: CACSL2BoogieTranslator took 738.24 ms. Allocated memory was 135.8 MB in the beginning and 198.7 MB in the end (delta: 62.9 MB). Free memory was 90.2 MB in the beginning and 164.0 MB in the end (delta: -73.8 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. [2019-09-19 23:41:30,826 INFO L168 Benchmark]: Boogie Preprocessor took 118.14 ms. Allocated memory is still 198.7 MB. Free memory was 164.0 MB in the beginning and 159.3 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2019-09-19 23:41:30,827 INFO L168 Benchmark]: RCFGBuilder took 1582.00 ms. Allocated memory was 198.7 MB in the beginning and 229.6 MB in the end (delta: 30.9 MB). Free memory was 159.3 MB in the beginning and 148.5 MB in the end (delta: 10.8 MB). Peak memory consumption was 83.1 MB. Max. memory is 7.1 GB. [2019-09-19 23:41:30,828 INFO L168 Benchmark]: Sifa took 357519.26 ms. Allocated memory was 229.6 MB in the beginning and 155.7 MB in the end (delta: -73.9 MB). Free memory was 148.5 MB in the beginning and 108.2 MB in the end (delta: 40.4 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-19 23:41:30,831 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 135.8 MB. Free memory was 110.1 MB in the beginning and 109.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 738.24 ms. Allocated memory was 135.8 MB in the beginning and 198.7 MB in the end (delta: 62.9 MB). Free memory was 90.2 MB in the beginning and 164.0 MB in the end (delta: -73.8 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 118.14 ms. Allocated memory is still 198.7 MB. Free memory was 164.0 MB in the beginning and 159.3 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1582.00 ms. Allocated memory was 198.7 MB in the beginning and 229.6 MB in the end (delta: 30.9 MB). Free memory was 159.3 MB in the beginning and 148.5 MB in the end (delta: 10.8 MB). Peak memory consumption was 83.1 MB. Max. memory is 7.1 GB. * Sifa took 357519.26 ms. Allocated memory was 229.6 MB in the beginning and 155.7 MB in the end (delta: -73.9 MB). Free memory was 148.5 MB in the beginning and 108.2 MB in the end (delta: 40.4 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 357477, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 253, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 166, TOOLS_POST_TIME[ms]: 30060, TOOLS_POST_CALL_APPLICATIONS: 71, TOOLS_POST_CALL_TIME[ms]: 194, TOOLS_POST_RETURN_APPLICATIONS: 62, TOOLS_POST_RETURN_TIME[ms]: 111, TOOLS_QUANTIFIERELIM_APPLICATIONS: 299, TOOLS_QUANTIFIERELIM_TIME[ms]: 30246, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 29950, FLUID_QUERY_TIME[ms]: 0, FLUID_QUERIES: 260, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 85, DOMAIN_JOIN_TIME[ms]: 325954, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 694, DOMAIN_ISSUBSETEQ_APPLICATIONS: 7, DOMAIN_ISSUBSETEQ_TIME[ms]: 7, DOMAIN_ISBOTTOM_APPLICATIONS: 45, DOMAIN_ISBOTTOM_TIME[ms]: 314, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 8685, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 8685, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 7, CALL_SUMMARIZER_APPLICATIONS: 62, CALL_SUMMARIZER_CACHE_MISSES: 22, CALL_SUMMARIZER_OVERALL_TIME[ms]: 34220, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 34219, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 31, DAG_COMPRESSION_PROCESSED_NODES: 428, DAG_COMPRESSION_RETAINED_NODES: 237 - UnprovableResult [Line: 633]: 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 506#(and (<= ~pumpRunning~0 2147483647) (or (= 0 ~methaneLevelCritical~0) (= 0 ~systemActive~0)) (<= 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...