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 SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product24.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 15:49:40,793 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 15:49:40,795 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 15:49:40,807 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 15:49:40,807 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 15:49:40,808 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 15:49:40,810 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 15:49:40,812 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 15:49:40,813 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 15:49:40,814 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 15:49:40,815 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 15:49:40,816 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 15:49:40,817 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 15:49:40,817 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 15:49:40,818 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 15:49:40,820 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 15:49:40,820 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 15:49:40,821 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 15:49:40,823 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 15:49:40,824 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 15:49:40,826 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 15:49:40,827 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 15:49:40,828 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 15:49:40,829 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 15:49:40,831 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 15:49:40,831 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 15:49:40,831 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 15:49:40,832 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 15:49:40,832 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 15:49:40,833 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 15:49:40,834 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 15:49:40,834 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 15:49:40,835 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 15:49:40,836 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 15:49:40,837 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 15:49:40,838 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 15:49:40,840 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 15:49:40,840 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 15:49:40,840 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 15:49:40,841 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 15:49:40,842 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 15:49:40,842 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 15:49:40,867 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 15:49:40,867 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 15:49:40,869 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 15:49:40,869 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 15:49:40,869 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 15:49:40,870 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 15:49:40,870 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 15:49:40,870 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 15:49:40,870 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 15:49:40,870 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 15:49:40,871 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 15:49:40,872 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 15:49:40,872 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 15:49:40,872 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 15:49:40,872 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 15:49:40,873 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 15:49:40,873 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 15:49:40,873 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 15:49:40,873 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 15:49:40,873 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 15:49:40,874 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 15:49:40,874 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:49:40,874 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 15:49:40,874 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 15:49:40,875 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 15:49:40,875 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 15:49:40,875 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 15:49:40,875 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 15:49:40,875 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 -> 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_QUICK [2019-09-20 15:49:40,928 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 15:49:40,942 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 15:49:40,948 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 15:49:40,950 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 15:49:40,950 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 15:49:40,951 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product24.cil.c [2019-09-20 15:49:41,028 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6da621b72/0fb8998b221c4a77851c75dbd47fc81b/FLAGaac0fd746 [2019-09-20 15:49:41,558 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 15:49:41,559 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product24.cil.c [2019-09-20 15:49:41,578 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6da621b72/0fb8998b221c4a77851c75dbd47fc81b/FLAGaac0fd746 [2019-09-20 15:49:41,878 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6da621b72/0fb8998b221c4a77851c75dbd47fc81b [2019-09-20 15:49:41,887 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 15:49:41,889 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 15:49:41,893 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 15:49:41,893 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 15:49:41,896 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 15:49:41,897 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:49:41" (1/1) ... [2019-09-20 15:49:41,900 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ae326e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:49:41, skipping insertion in model container [2019-09-20 15:49:41,900 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:49:41" (1/1) ... [2019-09-20 15:49:41,908 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 15:49:41,950 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 15:49:42,410 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:49:42,437 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 15:49:42,535 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:49:42,584 INFO L192 MainTranslator]: Completed translation [2019-09-20 15:49:42,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:49:42 WrapperNode [2019-09-20 15:49:42,585 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 15:49:42,586 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 15:49:42,586 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 15:49:42,586 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 15:49:42,600 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:49:42" (1/1) ... [2019-09-20 15:49:42,601 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:49:42" (1/1) ... [2019-09-20 15:49:42,638 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:49:42" (1/1) ... [2019-09-20 15:49:42,639 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:49:42" (1/1) ... [2019-09-20 15:49:42,682 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:49:42" (1/1) ... [2019-09-20 15:49:42,702 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:49:42" (1/1) ... [2019-09-20 15:49:42,713 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:49:42" (1/1) ... [2019-09-20 15:49:42,729 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 15:49:42,730 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 15:49:42,730 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 15:49:42,730 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 15:49:42,731 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:49:42" (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 15:49:42,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 15:49:42,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 15:49:42,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 15:49:42,784 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 15:49:42,785 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 15:49:42,785 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-20 15:49:42,786 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 15:49:42,786 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 15:49:42,786 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 15:49:42,786 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 15:49:42,786 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 15:49:42,787 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 15:49:42,787 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-20 15:49:42,788 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-20 15:49:42,788 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-20 15:49:42,788 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 15:49:42,790 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 15:49:42,791 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 15:49:42,791 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 15:49:42,791 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 15:49:42,791 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 15:49:42,791 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 15:49:42,791 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 15:49:42,792 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 15:49:42,792 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 15:49:42,793 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 15:49:42,793 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 15:49:42,793 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 15:49:42,793 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 15:49:42,794 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 15:49:42,794 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 15:49:42,794 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-09-20 15:49:42,794 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-09-20 15:49:42,794 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 15:49:42,795 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 15:49:42,795 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 15:49:42,795 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 15:49:42,795 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 15:49:42,795 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 15:49:42,795 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 15:49:42,795 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-20 15:49:42,796 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 15:49:42,796 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 15:49:42,796 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 15:49:42,796 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 15:49:42,796 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 15:49:42,796 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 15:49:42,797 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-20 15:49:42,797 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 15:49:42,797 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 15:49:42,797 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 15:49:42,797 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 15:49:42,797 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 15:49:42,797 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-20 15:49:42,798 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-20 15:49:42,798 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-09-20 15:49:42,798 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 15:49:42,798 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 15:49:42,798 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-20 15:49:42,799 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-20 15:49:42,799 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 15:49:42,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 15:49:42,799 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 15:49:42,800 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 15:49:42,800 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 15:49:42,800 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 15:49:42,800 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 15:49:42,800 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 15:49:42,800 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 15:49:42,800 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 15:49:42,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 15:49:42,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 15:49:42,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 15:49:42,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 15:49:42,802 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 15:49:42,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 15:49:42,803 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 15:49:42,803 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 15:49:42,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 15:49:42,804 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 15:49:42,804 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 15:49:42,805 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 15:49:42,805 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 15:49:42,805 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 15:49:42,805 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 15:49:42,805 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 15:49:42,805 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 15:49:42,806 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 15:49:42,807 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-09-20 15:49:42,807 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 15:49:42,807 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 15:49:42,807 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 15:49:42,807 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 15:49:42,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 15:49:42,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 15:49:42,808 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 15:49:44,475 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 15:49:44,475 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 15:49:44,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:49:44 BoogieIcfgContainer [2019-09-20 15:49:44,477 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 15:49:44,478 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 15:49:44,478 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 15:49:44,479 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 15:49:44,480 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:49:44" (1/1) ... [2019-09-20 15:49:44,481 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_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-20 15:49:44,523 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 15:49:44,524 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 15:49:44,535 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 15:49:44,550 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 15:49:44,552 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 15:49:54,670 WARN L191 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-09-20 15:49:56,417 WARN L191 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-20 15:49:56,563 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-20 15:49:56,700 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-20 15:49:56,845 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-20 15:49:56,862 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 484 for LOIs [2019-09-20 15:49:56,912 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 484 for LOIs [2019-09-20 15:49:56,929 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 484 for LOIs [2019-09-20 15:49:57,606 WARN L191 SmtUtils]: Spent 484.00 ms on a formula simplification that was a NOOP. DAG size: 521 [2019-09-20 15:49:57,936 WARN L191 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 521 [2019-09-20 15:49:58,217 WARN L191 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 521 [2019-09-20 15:49:58,486 WARN L191 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 521 [2019-09-20 15:49:58,751 WARN L191 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 523 [2019-09-20 15:49:59,051 WARN L191 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 523 [2019-09-20 15:49:59,209 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 533 [2019-09-20 15:49:59,361 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 533 [2019-09-20 15:49:59,554 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 535 [2019-09-20 15:49:59,672 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 535 [2019-09-20 15:49:59,775 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 535 [2019-09-20 15:49:59,896 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 535 [2019-09-20 15:50:00,144 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 538 [2019-09-20 15:50:00,375 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 538 [2019-09-20 15:50:01,048 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 539 [2019-09-20 15:50:01,243 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 539 [2019-09-20 15:50:01,806 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 538 [2019-09-20 15:50:02,010 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 538 [2019-09-20 15:50:02,555 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 535 [2019-09-20 15:50:02,760 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 535 [2019-09-20 15:50:03,738 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 523 [2019-09-20 15:50:04,454 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-20 15:50:04,456 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 10 for LOIs [2019-09-20 15:50:04,473 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification2_spec__2 with input of size 24 for LOIs [2019-09-20 15:50:04,479 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 35 for LOIs [2019-09-20 15:50:04,483 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 15:50:04,490 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 15:50:04,493 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 630#(and (not (= 0 ~methAndRunningLastTime~0)) (<= ~pumpRunning~0 2147483647) (or (and (= 0 ~waterLevel~0) (not (= 0 ~systemActive~0))) (and (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0)) (= 0 ~systemActive~0))) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (not (= ~pumpRunning~0 0))) [2019-09-20 15:50:04,507 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 15:50:04,507 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 15:50:04,509 INFO L168 Benchmark]: Toolchain (without parser) took 22619.80 ms. Allocated memory was 138.9 MB in the beginning and 662.7 MB in the end (delta: 523.8 MB). Free memory was 85.2 MB in the beginning and 375.0 MB in the end (delta: -289.7 MB). Peak memory consumption was 234.0 MB. Max. memory is 7.1 GB. [2019-09-20 15:50:04,511 INFO L168 Benchmark]: CDTParser took 3.58 ms. Allocated memory is still 138.9 MB. Free memory was 104.9 MB in the beginning and 104.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 15:50:04,517 INFO L168 Benchmark]: CACSL2BoogieTranslator took 693.14 ms. Allocated memory was 138.9 MB in the beginning and 198.7 MB in the end (delta: 59.8 MB). Free memory was 85.0 MB in the beginning and 163.5 MB in the end (delta: -78.5 MB). Peak memory consumption was 21.6 MB. Max. memory is 7.1 GB. [2019-09-20 15:50:04,520 INFO L168 Benchmark]: Boogie Preprocessor took 143.52 ms. Allocated memory is still 198.7 MB. Free memory was 163.5 MB in the beginning and 159.1 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-09-20 15:50:04,521 INFO L168 Benchmark]: RCFGBuilder took 1747.47 ms. Allocated memory was 198.7 MB in the beginning and 221.2 MB in the end (delta: 22.5 MB). Free memory was 159.1 MB in the beginning and 141.4 MB in the end (delta: 17.7 MB). Peak memory consumption was 91.4 MB. Max. memory is 7.1 GB. [2019-09-20 15:50:04,523 INFO L168 Benchmark]: Sifa took 20029.36 ms. Allocated memory was 221.2 MB in the beginning and 662.7 MB in the end (delta: 441.5 MB). Free memory was 141.4 MB in the beginning and 375.0 MB in the end (delta: -233.5 MB). Peak memory consumption was 207.9 MB. Max. memory is 7.1 GB. [2019-09-20 15:50:04,534 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.58 ms. Allocated memory is still 138.9 MB. Free memory was 104.9 MB in the beginning and 104.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 693.14 ms. Allocated memory was 138.9 MB in the beginning and 198.7 MB in the end (delta: 59.8 MB). Free memory was 85.0 MB in the beginning and 163.5 MB in the end (delta: -78.5 MB). Peak memory consumption was 21.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 143.52 ms. Allocated memory is still 198.7 MB. Free memory was 163.5 MB in the beginning and 159.1 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1747.47 ms. Allocated memory was 198.7 MB in the beginning and 221.2 MB in the end (delta: 22.5 MB). Free memory was 159.1 MB in the beginning and 141.4 MB in the end (delta: 17.7 MB). Peak memory consumption was 91.4 MB. Max. memory is 7.1 GB. * Sifa took 20029.36 ms. Allocated memory was 221.2 MB in the beginning and 662.7 MB in the end (delta: 441.5 MB). Free memory was 141.4 MB in the beginning and 375.0 MB in the end (delta: -233.5 MB). Peak memory consumption was 207.9 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]: 19970, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 262, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 176, TOOLS_POST_TIME[ms]: 12036, TOOLS_POST_CALL_APPLICATIONS: 71, TOOLS_POST_CALL_TIME[ms]: 178, TOOLS_POST_RETURN_APPLICATIONS: 64, TOOLS_POST_RETURN_TIME[ms]: 87, TOOLS_QUANTIFIERELIM_APPLICATIONS: 310, TOOLS_QUANTIFIERELIM_TIME[ms]: 12176, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 11930, FLUID_QUERY_TIME[ms]: 16, FLUID_QUERIES: 265, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 108, DOMAIN_JOIN_TIME[ms]: 7130, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 3, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3, DOMAIN_ISSUBSETEQ_TIME[ms]: 6, DOMAIN_ISBOTTOM_APPLICATIONS: 75, DOMAIN_ISBOTTOM_TIME[ms]: 346, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 1276, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1275, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 64, CALL_SUMMARIZER_CACHE_MISSES: 25, CALL_SUMMARIZER_OVERALL_TIME[ms]: 12392, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12391, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 42, DAG_COMPRESSION_PROCESSED_NODES: 614, DAG_COMPRESSION_RETAINED_NODES: 246 - UnprovableResult [Line: 871]: 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 630#(and (not (= 0 ~methAndRunningLastTime~0)) (<= ~pumpRunning~0 2147483647) (or (and (= 0 ~waterLevel~0) (not (= 0 ~systemActive~0))) (and (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0)) (= 0 ~systemActive~0))) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...