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_spec4_product01.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-18 04:31:22,849 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-18 04:31:22,856 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-18 04:31:22,868 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-18 04:31:22,868 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-18 04:31:22,870 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-18 04:31:22,871 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-18 04:31:22,873 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-18 04:31:22,874 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-18 04:31:22,875 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-18 04:31:22,876 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-18 04:31:22,877 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-18 04:31:22,878 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-18 04:31:22,879 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-18 04:31:22,879 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-18 04:31:22,881 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-18 04:31:22,881 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-18 04:31:22,882 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-18 04:31:22,884 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-18 04:31:22,885 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-18 04:31:22,887 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-18 04:31:22,888 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-18 04:31:22,889 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-18 04:31:22,890 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-18 04:31:22,892 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-18 04:31:22,892 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-18 04:31:22,892 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-18 04:31:22,893 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-18 04:31:22,894 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-18 04:31:22,895 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-18 04:31:22,895 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-18 04:31:22,896 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-18 04:31:22,896 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-18 04:31:22,897 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-18 04:31:22,898 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-18 04:31:22,898 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-18 04:31:22,899 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-18 04:31:22,899 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-18 04:31:22,899 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-18 04:31:22,900 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-18 04:31:22,901 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-18 04:31:22,901 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 04:31:22,916 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-18 04:31:22,916 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-18 04:31:22,917 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-18 04:31:22,917 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-18 04:31:22,918 INFO L138 SettingsManager]: * Use SBE=true [2019-09-18 04:31:22,918 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-18 04:31:22,918 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-18 04:31:22,918 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-18 04:31:22,918 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-18 04:31:22,919 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-18 04:31:22,919 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-18 04:31:22,919 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-18 04:31:22,919 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-18 04:31:22,919 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-18 04:31:22,919 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-18 04:31:22,920 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-18 04:31:22,920 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-18 04:31:22,920 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-18 04:31:22,920 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-18 04:31:22,920 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-18 04:31:22,921 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-18 04:31:22,921 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 04:31:22,921 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-18 04:31:22,921 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-18 04:31:22,921 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-18 04:31:22,922 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-18 04:31:22,922 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-18 04:31:22,922 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-18 04:31:22,922 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 04:31:22,952 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-18 04:31:22,964 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-18 04:31:22,972 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-18 04:31:22,973 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-18 04:31:22,974 INFO L275 PluginConnector]: CDTParser initialized [2019-09-18 04:31:22,974 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product01.cil.c [2019-09-18 04:31:23,031 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07db84c8c/ce231ded9c4b45e2b6ed51c9bdccce3b/FLAGb17a48f6c [2019-09-18 04:31:23,505 INFO L306 CDTParser]: Found 1 translation units. [2019-09-18 04:31:23,506 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product01.cil.c [2019-09-18 04:31:23,523 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07db84c8c/ce231ded9c4b45e2b6ed51c9bdccce3b/FLAGb17a48f6c [2019-09-18 04:31:23,798 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07db84c8c/ce231ded9c4b45e2b6ed51c9bdccce3b [2019-09-18 04:31:23,807 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-18 04:31:23,808 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-18 04:31:23,809 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-18 04:31:23,809 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-18 04:31:23,813 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-18 04:31:23,814 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 04:31:23" (1/1) ... [2019-09-18 04:31:23,816 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d400030 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:31:23, skipping insertion in model container [2019-09-18 04:31:23,817 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 04:31:23" (1/1) ... [2019-09-18 04:31:23,823 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-18 04:31:23,865 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-18 04:31:24,287 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 04:31:24,301 INFO L188 MainTranslator]: Completed pre-run [2019-09-18 04:31:24,383 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 04:31:24,427 INFO L192 MainTranslator]: Completed translation [2019-09-18 04:31:24,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:31:24 WrapperNode [2019-09-18 04:31:24,428 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-18 04:31:24,429 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-18 04:31:24,429 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-18 04:31:24,430 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-18 04:31:24,440 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:31:24" (1/1) ... [2019-09-18 04:31:24,441 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:31:24" (1/1) ... [2019-09-18 04:31:24,463 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:31:24" (1/1) ... [2019-09-18 04:31:24,463 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:31:24" (1/1) ... [2019-09-18 04:31:24,492 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:31:24" (1/1) ... [2019-09-18 04:31:24,509 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:31:24" (1/1) ... [2019-09-18 04:31:24,517 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:31:24" (1/1) ... [2019-09-18 04:31:24,535 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-18 04:31:24,535 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-18 04:31:24,535 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-18 04:31:24,536 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-18 04:31:24,536 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 04:31:24" (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 04:31:24,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-18 04:31:24,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-18 04:31:24,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-18 04:31:24,595 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-18 04:31:24,595 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-18 04:31:24,596 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-18 04:31:24,596 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-18 04:31:24,596 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-18 04:31:24,596 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-18 04:31:24,596 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-18 04:31:24,596 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-18 04:31:24,596 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-18 04:31:24,597 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-18 04:31:24,597 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-18 04:31:24,597 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-18 04:31:24,597 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-18 04:31:24,597 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-18 04:31:24,597 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-18 04:31:24,598 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-18 04:31:24,598 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-18 04:31:24,598 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-18 04:31:24,598 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-18 04:31:24,598 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-18 04:31:24,598 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-18 04:31:24,599 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-18 04:31:24,599 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-18 04:31:24,599 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-18 04:31:24,599 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-18 04:31:24,599 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-18 04:31:24,599 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-18 04:31:24,600 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-18 04:31:24,600 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-18 04:31:24,600 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-18 04:31:24,600 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-18 04:31:24,600 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-18 04:31:24,600 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-18 04:31:24,600 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-18 04:31:24,601 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-18 04:31:24,601 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-18 04:31:24,601 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-18 04:31:24,601 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-18 04:31:24,601 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-18 04:31:24,601 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-18 04:31:24,602 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-18 04:31:24,602 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-18 04:31:24,602 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-18 04:31:24,602 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-18 04:31:24,602 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-18 04:31:24,602 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-18 04:31:24,603 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-18 04:31:24,603 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-18 04:31:24,603 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-18 04:31:24,603 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-18 04:31:24,603 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-18 04:31:24,603 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-18 04:31:24,603 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-18 04:31:24,604 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-18 04:31:24,604 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-18 04:31:24,604 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-18 04:31:24,604 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-18 04:31:24,604 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-18 04:31:24,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-18 04:31:24,605 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-18 04:31:24,605 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-18 04:31:24,605 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-18 04:31:24,605 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-18 04:31:24,605 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-18 04:31:24,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-18 04:31:24,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-18 04:31:24,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-18 04:31:24,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-18 04:31:24,606 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-18 04:31:24,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-18 04:31:24,606 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-18 04:31:24,607 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-18 04:31:24,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-18 04:31:24,607 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-18 04:31:24,607 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-18 04:31:24,607 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-18 04:31:24,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-18 04:31:24,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-18 04:31:24,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-18 04:31:25,598 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-18 04:31:25,598 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-18 04:31:25,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 04:31:25 BoogieIcfgContainer [2019-09-18 04:31:25,600 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-18 04:31:25,601 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-18 04:31:25,601 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-18 04:31:25,601 INFO L275 PluginConnector]: Sifa initialized [2019-09-18 04:31:25,603 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 04:31:25" (1/1) ... [2019-09-18 04:31:25,603 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 04:31:25,629 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-18 04:31:25,630 INFO L169 IcfgInterpreter]: Building call graph [2019-09-18 04:31:25,639 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-18 04:31:25,650 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-18 04:31:25,651 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-18 04:31:46,050 WARN L191 SmtUtils]: Spent 12.32 s on a formula simplification that was a NOOP. DAG size: 464 [2019-09-18 04:31:47,994 WARN L191 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-18 04:31:51,792 WARN L191 SmtUtils]: Spent 3.79 s on a formula simplification. DAG size of input: 472 DAG size of output: 422 [2019-09-18 04:31:53,574 WARN L191 SmtUtils]: Spent 1.78 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-18 04:31:55,280 WARN L191 SmtUtils]: Spent 1.70 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-18 04:31:55,294 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 426 for LOIs [2019-09-18 04:31:55,356 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 426 for LOIs [2019-09-18 04:31:55,361 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 426 for LOIs [2019-09-18 04:32:06,500 WARN L191 SmtUtils]: Spent 10.94 s on a formula simplification. DAG size of input: 451 DAG size of output: 447 [2019-09-18 04:32:11,895 WARN L191 SmtUtils]: Spent 5.39 s on a formula simplification that was a NOOP. DAG size: 447 [2019-09-18 04:32:22,816 WARN L191 SmtUtils]: Spent 10.89 s on a formula simplification. DAG size of input: 456 DAG size of output: 449 [2019-09-18 04:32:28,220 WARN L191 SmtUtils]: Spent 5.40 s on a formula simplification that was a NOOP. DAG size: 449 [2019-09-18 04:32:39,131 WARN L191 SmtUtils]: Spent 10.91 s on a formula simplification. DAG size of input: 456 DAG size of output: 449 [2019-09-18 04:32:44,481 WARN L191 SmtUtils]: Spent 5.35 s on a formula simplification that was a NOOP. DAG size: 449 [2019-09-18 04:32:53,417 WARN L191 SmtUtils]: Spent 8.93 s on a formula simplification that was a NOOP. DAG size: 461 [2019-09-18 04:33:02,284 WARN L191 SmtUtils]: Spent 8.87 s on a formula simplification that was a NOOP. DAG size: 461 [2019-09-18 04:33:20,173 WARN L191 SmtUtils]: Spent 17.89 s on a formula simplification. DAG size of input: 462 DAG size of output: 458 [2019-09-18 04:33:29,019 WARN L191 SmtUtils]: Spent 8.84 s on a formula simplification that was a NOOP. DAG size: 457 [2019-09-18 04:33:47,106 WARN L191 SmtUtils]: Spent 17.86 s on a formula simplification. DAG size of input: 465 DAG size of output: 461 [2019-09-18 04:33:56,030 WARN L191 SmtUtils]: Spent 8.92 s on a formula simplification that was a NOOP. DAG size: 461 [2019-09-18 04:34:06,583 WARN L191 SmtUtils]: Spent 10.53 s on a formula simplification that was a NOOP. DAG size: 464 [2019-09-18 04:34:17,121 WARN L191 SmtUtils]: Spent 10.54 s on a formula simplification that was a NOOP. DAG size: 464 [2019-09-18 04:34:23,051 WARN L191 SmtUtils]: Spent 5.75 s on a formula simplification. DAG size of input: 472 DAG size of output: 446 [2019-09-18 04:34:24,932 WARN L191 SmtUtils]: Spent 1.88 s on a formula simplification that was a NOOP. DAG size: 446 [2019-09-18 04:34:30,444 WARN L191 SmtUtils]: Spent 5.49 s on a formula simplification. DAG size of input: 468 DAG size of output: 448 [2019-09-18 04:34:32,289 WARN L191 SmtUtils]: Spent 1.84 s on a formula simplification that was a NOOP. DAG size: 448 [2019-09-18 04:34:37,805 WARN L191 SmtUtils]: Spent 5.51 s on a formula simplification. DAG size of input: 468 DAG size of output: 448 [2019-09-18 04:34:39,647 WARN L191 SmtUtils]: Spent 1.84 s on a formula simplification that was a NOOP. DAG size: 448 [2019-09-18 04:34:45,090 WARN L191 SmtUtils]: Spent 5.44 s on a formula simplification that was a NOOP. DAG size: 454 [2019-09-18 04:34:50,579 WARN L191 SmtUtils]: Spent 5.49 s on a formula simplification that was a NOOP. DAG size: 454 [2019-09-18 04:35:01,481 WARN L191 SmtUtils]: Spent 10.90 s on a formula simplification. DAG size of input: 455 DAG size of output: 452 [2019-09-18 04:35:06,924 WARN L191 SmtUtils]: Spent 5.44 s on a formula simplification that was a NOOP. DAG size: 452 [2019-09-18 04:35:17,913 WARN L191 SmtUtils]: Spent 10.98 s on a formula simplification. DAG size of input: 458 DAG size of output: 454 [2019-09-18 04:35:23,363 WARN L191 SmtUtils]: Spent 5.45 s on a formula simplification that was a NOOP. DAG size: 454 [2019-09-18 04:35:37,511 WARN L191 SmtUtils]: Spent 14.13 s on a formula simplification. DAG size of input: 468 DAG size of output: 458 [2019-09-18 04:35:44,512 WARN L191 SmtUtils]: Spent 7.00 s on a formula simplification that was a NOOP. DAG size: 458 [2019-09-18 04:35:50,244 WARN L191 SmtUtils]: Spent 5.57 s on a formula simplification. DAG size of input: 470 DAG size of output: 446 [2019-09-18 04:35:52,134 WARN L191 SmtUtils]: Spent 1.89 s on a formula simplification that was a NOOP. DAG size: 446 [2019-09-18 04:35:57,673 WARN L191 SmtUtils]: Spent 5.50 s on a formula simplification. DAG size of input: 465 DAG size of output: 447 [2019-09-18 04:35:59,533 WARN L191 SmtUtils]: Spent 1.86 s on a formula simplification that was a NOOP. DAG size: 447 [2019-09-18 04:36:05,002 WARN L191 SmtUtils]: Spent 5.47 s on a formula simplification. DAG size of input: 465 DAG size of output: 447 [2019-09-18 04:36:06,831 WARN L191 SmtUtils]: Spent 1.83 s on a formula simplification that was a NOOP. DAG size: 447 [2019-09-18 04:36:12,319 WARN L191 SmtUtils]: Spent 5.49 s on a formula simplification that was a NOOP. DAG size: 454 [2019-09-18 04:36:17,800 WARN L191 SmtUtils]: Spent 5.48 s on a formula simplification that was a NOOP. DAG size: 454 [2019-09-18 04:36:28,752 WARN L191 SmtUtils]: Spent 10.95 s on a formula simplification. DAG size of input: 455 DAG size of output: 452 [2019-09-18 04:36:34,200 WARN L191 SmtUtils]: Spent 5.45 s on a formula simplification that was a NOOP. DAG size: 452 [2019-09-18 04:36:45,132 WARN L191 SmtUtils]: Spent 10.92 s on a formula simplification. DAG size of input: 458 DAG size of output: 454 [2019-09-18 04:36:50,598 WARN L191 SmtUtils]: Spent 5.46 s on a formula simplification that was a NOOP. DAG size: 454 [2019-09-18 04:36:56,503 WARN L191 SmtUtils]: Spent 5.72 s on a formula simplification. DAG size of input: 461 DAG size of output: 445 [2019-09-18 04:36:58,382 WARN L191 SmtUtils]: Spent 1.88 s on a formula simplification that was a NOOP. DAG size: 445 [2019-09-18 04:37:03,886 WARN L191 SmtUtils]: Spent 5.49 s on a formula simplification. DAG size of input: 458 DAG size of output: 447 [2019-09-18 04:37:05,726 WARN L191 SmtUtils]: Spent 1.84 s on a formula simplification that was a NOOP. DAG size: 447 [2019-09-18 04:37:11,143 WARN L191 SmtUtils]: Spent 5.42 s on a formula simplification. DAG size of input: 458 DAG size of output: 447 [2019-09-18 04:37:13,041 WARN L191 SmtUtils]: Spent 1.90 s on a formula simplification that was a NOOP. DAG size: 447 [2019-09-18 04:37:18,488 WARN L191 SmtUtils]: Spent 5.45 s on a formula simplification that was a NOOP. DAG size: 454 [2019-09-18 04:37:23,981 WARN L191 SmtUtils]: Spent 5.49 s on a formula simplification that was a NOOP. DAG size: 454 [2019-09-18 04:37:34,995 WARN L191 SmtUtils]: Spent 11.01 s on a formula simplification. DAG size of input: 455 DAG size of output: 452 [2019-09-18 04:37:40,491 WARN L191 SmtUtils]: Spent 5.49 s on a formula simplification that was a NOOP. DAG size: 452 [2019-09-18 04:37:48,348 WARN L191 SmtUtils]: Spent 7.68 s on a formula simplification. DAG size of input: 467 DAG size of output: 446 [2019-09-18 04:37:50,179 WARN L191 SmtUtils]: Spent 1.83 s on a formula simplification that was a NOOP. DAG size: 446 [2019-09-18 04:37:57,836 WARN L191 SmtUtils]: Spent 7.63 s on a formula simplification. DAG size of input: 462 DAG size of output: 447 [2019-09-18 04:37:59,707 WARN L191 SmtUtils]: Spent 1.87 s on a formula simplification that was a NOOP. DAG size: 447 [2019-09-18 04:38:07,393 WARN L191 SmtUtils]: Spent 7.68 s on a formula simplification. DAG size of input: 462 DAG size of output: 447 [2019-09-18 04:38:09,248 WARN L191 SmtUtils]: Spent 1.85 s on a formula simplification that was a NOOP. DAG size: 447 [2019-09-18 04:38:14,747 WARN L191 SmtUtils]: Spent 5.50 s on a formula simplification that was a NOOP. DAG size: 454 [2019-09-18 04:38:20,268 WARN L191 SmtUtils]: Spent 5.52 s on a formula simplification that was a NOOP. DAG size: 454 [2019-09-18 04:38:31,284 WARN L191 SmtUtils]: Spent 11.01 s on a formula simplification. DAG size of input: 455 DAG size of output: 452 [2019-09-18 04:38:36,779 WARN L191 SmtUtils]: Spent 5.49 s on a formula simplification that was a NOOP. DAG size: 452 [2019-09-18 04:38:47,780 WARN L191 SmtUtils]: Spent 10.98 s on a formula simplification. DAG size of input: 458 DAG size of output: 454 [2019-09-18 04:38:53,211 WARN L191 SmtUtils]: Spent 5.43 s on a formula simplification that was a NOOP. DAG size: 454 [2019-09-18 04:39:13,199 WARN L191 SmtUtils]: Spent 19.96 s on a formula simplification. DAG size of input: 468 DAG size of output: 456 [2019-09-18 04:39:18,726 WARN L191 SmtUtils]: Spent 5.53 s on a formula simplification that was a NOOP. DAG size: 456 [2019-09-18 04:39:24,720 WARN L191 SmtUtils]: Spent 5.89 s on a formula simplification. DAG size of input: 462 DAG size of output: 445 [2019-09-18 04:39:26,566 WARN L191 SmtUtils]: Spent 1.85 s on a formula simplification that was a NOOP. DAG size: 445 [2019-09-18 04:39:37,981 WARN L191 SmtUtils]: Spent 11.39 s on a formula simplification. DAG size of input: 457 DAG size of output: 446 [2019-09-18 04:39:39,819 WARN L191 SmtUtils]: Spent 1.84 s on a formula simplification that was a NOOP. DAG size: 446 [2019-09-18 04:39:51,227 WARN L191 SmtUtils]: Spent 11.41 s on a formula simplification. DAG size of input: 457 DAG size of output: 446 [2019-09-18 04:39:53,065 WARN L191 SmtUtils]: Spent 1.84 s on a formula simplification that was a NOOP. DAG size: 446 [2019-09-18 04:39:58,570 WARN L191 SmtUtils]: Spent 5.50 s on a formula simplification that was a NOOP. DAG size: 454 [2019-09-18 04:40:04,038 WARN L191 SmtUtils]: Spent 5.47 s on a formula simplification that was a NOOP. DAG size: 454 [2019-09-18 04:40:14,962 WARN L191 SmtUtils]: Spent 10.92 s on a formula simplification. DAG size of input: 455 DAG size of output: 452 [2019-09-18 04:40:20,356 WARN L191 SmtUtils]: Spent 5.39 s on a formula simplification that was a NOOP. DAG size: 452 [2019-09-18 04:40:31,316 WARN L191 SmtUtils]: Spent 10.95 s on a formula simplification. DAG size of input: 458 DAG size of output: 454 [2019-09-18 04:40:36,750 WARN L191 SmtUtils]: Spent 5.43 s on a formula simplification that was a NOOP. DAG size: 454 [2019-09-18 04:40:47,499 WARN L191 SmtUtils]: Spent 10.73 s on a formula simplification. DAG size of input: 458 DAG size of output: 457 [2019-09-18 04:40:52,852 WARN L191 SmtUtils]: Spent 5.35 s on a formula simplification that was a NOOP. DAG size: 457 [2019-09-18 04:41:00,835 WARN L191 SmtUtils]: Spent 7.86 s on a formula simplification. DAG size of input: 459 DAG size of output: 445 [2019-09-18 04:41:02,661 WARN L191 SmtUtils]: Spent 1.82 s on a formula simplification that was a NOOP. DAG size: 445 [2019-09-18 04:41:10,819 WARN L191 SmtUtils]: Spent 8.16 s on a formula simplification. DAG size of input: 459 DAG size of output: 445 [2019-09-18 04:41:12,750 WARN L191 SmtUtils]: Spent 1.93 s on a formula simplification that was a NOOP. DAG size: 445 [2019-09-18 04:41:20,820 WARN L191 SmtUtils]: Spent 8.07 s on a formula simplification. DAG size of input: 459 DAG size of output: 445 [2019-09-18 04:41:22,682 WARN L191 SmtUtils]: Spent 1.86 s on a formula simplification that was a NOOP. DAG size: 445 [2019-09-18 04:41:30,660 WARN L191 SmtUtils]: Spent 7.98 s on a formula simplification. DAG size of input: 459 DAG size of output: 445 [2019-09-18 04:41:32,491 WARN L191 SmtUtils]: Spent 1.83 s on a formula simplification that was a NOOP. DAG size: 445 [2019-09-18 04:41:40,256 WARN L191 SmtUtils]: Spent 7.76 s on a formula simplification. DAG size of input: 459 DAG size of output: 445 [2019-09-18 04:41:42,054 WARN L191 SmtUtils]: Spent 1.80 s on a formula simplification that was a NOOP. DAG size: 445 [2019-09-18 04:41:49,930 WARN L191 SmtUtils]: Spent 7.88 s on a formula simplification. DAG size of input: 459 DAG size of output: 445 [2019-09-18 04:41:51,760 WARN L191 SmtUtils]: Spent 1.83 s on a formula simplification that was a NOOP. DAG size: 445 [2019-09-18 04:42:02,242 WARN L191 SmtUtils]: Spent 10.46 s on a formula simplification. DAG size of input: 469 DAG size of output: 454 [2019-09-18 04:42:07,404 WARN L191 SmtUtils]: Spent 5.16 s on a formula simplification that was a NOOP. DAG size: 454 [2019-09-18 04:42:18,153 WARN L191 SmtUtils]: Spent 10.66 s on a formula simplification. DAG size of input: 457 DAG size of output: 452 [2019-09-18 04:42:23,477 WARN L191 SmtUtils]: Spent 5.32 s on a formula simplification that was a NOOP. DAG size: 452 [2019-09-18 04:42:34,165 WARN L191 SmtUtils]: Spent 10.69 s on a formula simplification. DAG size of input: 457 DAG size of output: 452 [2019-09-18 04:42:39,523 WARN L191 SmtUtils]: Spent 5.36 s on a formula simplification that was a NOOP. DAG size: 452 [2019-09-18 04:42:50,223 WARN L191 SmtUtils]: Spent 10.70 s on a formula simplification. DAG size of input: 457 DAG size of output: 452 [2019-09-18 04:42:55,565 WARN L191 SmtUtils]: Spent 5.34 s on a formula simplification that was a NOOP. DAG size: 452 [2019-09-18 04:43:06,291 WARN L191 SmtUtils]: Spent 10.73 s on a formula simplification. DAG size of input: 457 DAG size of output: 452 [2019-09-18 04:43:11,634 WARN L191 SmtUtils]: Spent 5.34 s on a formula simplification that was a NOOP. DAG size: 452 [2019-09-18 04:43:22,386 WARN L191 SmtUtils]: Spent 10.75 s on a formula simplification. DAG size of input: 457 DAG size of output: 452 [2019-09-18 04:43:27,732 WARN L191 SmtUtils]: Spent 5.35 s on a formula simplification that was a NOOP. DAG size: 452 [2019-09-18 04:43:38,758 WARN L191 SmtUtils]: Spent 11.01 s on a formula simplification. DAG size of input: 458 DAG size of output: 446 [2019-09-18 04:43:40,613 WARN L191 SmtUtils]: Spent 1.85 s on a formula simplification that was a NOOP. DAG size: 446 [2019-09-18 04:43:51,596 WARN L191 SmtUtils]: Spent 10.98 s on a formula simplification. DAG size of input: 458 DAG size of output: 446 [2019-09-18 04:43:53,433 WARN L191 SmtUtils]: Spent 1.84 s on a formula simplification that was a NOOP. DAG size: 446 [2019-09-18 04:44:04,407 WARN L191 SmtUtils]: Spent 10.97 s on a formula simplification. DAG size of input: 458 DAG size of output: 446 [2019-09-18 04:44:06,269 WARN L191 SmtUtils]: Spent 1.86 s on a formula simplification that was a NOOP. DAG size: 446 [2019-09-18 04:44:17,376 WARN L191 SmtUtils]: Spent 11.11 s on a formula simplification. DAG size of input: 458 DAG size of output: 446 [2019-09-18 04:44:19,243 WARN L191 SmtUtils]: Spent 1.87 s on a formula simplification that was a NOOP. DAG size: 446 [2019-09-18 04:44:30,262 WARN L191 SmtUtils]: Spent 11.02 s on a formula simplification. DAG size of input: 458 DAG size of output: 446 [2019-09-18 04:44:32,171 WARN L191 SmtUtils]: Spent 1.91 s on a formula simplification that was a NOOP. DAG size: 446