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 CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product30.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-17 18:11:41,988 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 18:11:41,990 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 18:11:42,001 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 18:11:42,002 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 18:11:42,003 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 18:11:42,004 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 18:11:42,006 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 18:11:42,007 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 18:11:42,008 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 18:11:42,009 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 18:11:42,010 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 18:11:42,011 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 18:11:42,011 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 18:11:42,012 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 18:11:42,013 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 18:11:42,014 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 18:11:42,015 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 18:11:42,017 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 18:11:42,019 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 18:11:42,020 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 18:11:42,021 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 18:11:42,022 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 18:11:42,023 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 18:11:42,025 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-17 18:11:42,025 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-17 18:11:42,025 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-17 18:11:42,026 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-17 18:11:42,027 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-17 18:11:42,027 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-17 18:11:42,028 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-17 18:11:42,028 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-17 18:11:42,029 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-17 18:11:42,030 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-17 18:11:42,031 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-17 18:11:42,031 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-17 18:11:42,032 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-17 18:11:42,032 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-17 18:11:42,032 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 18:11:42,033 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 18:11:42,034 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 18:11:42,034 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 [2019-09-17 18:11:42,048 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 18:11:42,048 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 18:11:42,050 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 18:11:42,050 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 18:11:42,050 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 18:11:42,050 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 18:11:42,050 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 18:11:42,051 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 18:11:42,051 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 18:11:42,051 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 18:11:42,051 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 18:11:42,051 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 18:11:42,052 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 18:11:42,052 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 18:11:42,052 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 18:11:42,052 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 18:11:42,052 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 18:11:42,053 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 18:11:42,053 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 18:11:42,053 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 18:11:42,053 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 18:11:42,053 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 18:11:42,054 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 18:11:42,054 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 18:11:42,054 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 18:11:42,054 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 18:11:42,054 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 18:11:42,055 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 18:11:42,055 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain 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_DDA [2019-09-17 18:11:42,084 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 18:11:42,096 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 18:11:42,100 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 18:11:42,101 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 18:11:42,101 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 18:11:42,102 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product30.cil.c [2019-09-17 18:11:42,159 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f4dbd23c/ef04358d35f44a728385647cb737f831/FLAG09b3d3d15 [2019-09-17 18:11:42,643 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 18:11:42,643 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product30.cil.c [2019-09-17 18:11:42,656 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f4dbd23c/ef04358d35f44a728385647cb737f831/FLAG09b3d3d15 [2019-09-17 18:11:43,001 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f4dbd23c/ef04358d35f44a728385647cb737f831 [2019-09-17 18:11:43,010 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 18:11:43,012 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 18:11:43,012 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 18:11:43,013 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 18:11:43,015 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 18:11:43,016 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 06:11:43" (1/1) ... [2019-09-17 18:11:43,018 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e0db5b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:11:43, skipping insertion in model container [2019-09-17 18:11:43,019 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 06:11:43" (1/1) ... [2019-09-17 18:11:43,026 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 18:11:43,087 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 18:11:43,508 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 18:11:43,521 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 18:11:43,597 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 18:11:43,633 INFO L192 MainTranslator]: Completed translation [2019-09-17 18:11:43,634 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:11:43 WrapperNode [2019-09-17 18:11:43,634 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 18:11:43,634 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 18:11:43,635 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 18:11:43,635 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 18:11:43,647 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:11:43" (1/1) ... [2019-09-17 18:11:43,648 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:11:43" (1/1) ... [2019-09-17 18:11:43,666 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:11:43" (1/1) ... [2019-09-17 18:11:43,666 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:11:43" (1/1) ... [2019-09-17 18:11:43,709 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:11:43" (1/1) ... [2019-09-17 18:11:43,722 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:11:43" (1/1) ... [2019-09-17 18:11:43,727 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:11:43" (1/1) ... [2019-09-17 18:11:43,733 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 18:11:43,734 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 18:11:43,734 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 18:11:43,734 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 18:11:43,735 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:11:43" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 18:11:43,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 18:11:43,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 18:11:43,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-17 18:11:43,796 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-17 18:11:43,796 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-17 18:11:43,796 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-17 18:11:43,796 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-17 18:11:43,797 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-17 18:11:43,797 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-17 18:11:43,797 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-17 18:11:43,797 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-17 18:11:43,797 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-17 18:11:43,797 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-17 18:11:43,798 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-17 18:11:43,798 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-17 18:11:43,798 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-17 18:11:43,798 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-17 18:11:43,798 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 18:11:43,799 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-17 18:11:43,799 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-17 18:11:43,799 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-17 18:11:43,799 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-17 18:11:43,799 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-17 18:11:43,799 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-17 18:11:43,800 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-17 18:11:43,800 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-17 18:11:43,800 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-17 18:11:43,800 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-17 18:11:43,800 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-09-17 18:11:43,800 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-17 18:11:43,801 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-17 18:11:43,801 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-17 18:11:43,801 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-17 18:11:43,801 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-17 18:11:43,801 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-17 18:11:43,801 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-17 18:11:43,802 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-17 18:11:43,802 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-17 18:11:43,802 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-17 18:11:43,802 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-09-17 18:11:43,802 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-09-17 18:11:43,802 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 18:11:43,803 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-17 18:11:43,803 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-17 18:11:43,803 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-17 18:11:43,803 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-17 18:11:43,803 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-17 18:11:43,803 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-17 18:11:43,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-17 18:11:43,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-17 18:11:43,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-17 18:11:43,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-17 18:11:43,804 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-17 18:11:43,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-17 18:11:43,804 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-17 18:11:43,804 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-17 18:11:43,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-17 18:11:43,805 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-17 18:11:43,805 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-17 18:11:43,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-17 18:11:43,805 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-17 18:11:43,806 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-17 18:11:43,806 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-17 18:11:43,806 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-17 18:11:43,806 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-17 18:11:43,806 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-17 18:11:43,806 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-17 18:11:43,806 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-17 18:11:43,807 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-17 18:11:43,807 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-17 18:11:43,807 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-17 18:11:43,807 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-17 18:11:43,807 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-09-17 18:11:43,807 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-17 18:11:43,808 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-17 18:11:43,808 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 18:11:43,808 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-17 18:11:43,808 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-17 18:11:43,808 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-17 18:11:43,808 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-17 18:11:43,809 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-17 18:11:43,809 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-17 18:11:43,809 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-17 18:11:43,809 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-17 18:11:43,809 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-17 18:11:43,809 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-09-17 18:11:43,809 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-17 18:11:43,810 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-17 18:11:43,810 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-17 18:11:43,810 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-09-17 18:11:43,810 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-17 18:11:43,810 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-17 18:11:43,810 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-17 18:11:43,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 18:11:43,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-17 18:11:43,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 18:11:45,221 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 18:11:45,222 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-17 18:11:45,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 06:11:45 BoogieIcfgContainer [2019-09-17 18:11:45,223 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 18:11:45,224 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 18:11:45,224 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 18:11:45,224 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 18:11:45,225 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 06:11:45" (1/1) ... [2019-09-17 18:11:45,226 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=CompoundDomain ♦ 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 [2019-09-17 18:11:45,259 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-17 18:11:45,259 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 18:11:45,273 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 18:11:45,282 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 18:11:45,283 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 18:12:09,707 WARN L191 SmtUtils]: Spent 13.74 s on a formula simplification that was a NOOP. DAG size: 466 [2019-09-17 18:12:11,325 WARN L191 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-17 18:12:15,012 WARN L191 SmtUtils]: Spent 3.68 s on a formula simplification. DAG size of input: 474 DAG size of output: 424 [2019-09-17 18:12:16,683 WARN L191 SmtUtils]: Spent 1.66 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-17 18:12:18,329 WARN L191 SmtUtils]: Spent 1.64 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-17 18:12:18,618 WARN L191 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-09-17 18:12:23,030 WARN L191 SmtUtils]: Spent 4.41 s on a formula simplification. DAG size of input: 494 DAG size of output: 437 [2019-09-17 18:12:23,045 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 447 for LOIs [2019-09-17 18:12:23,134 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 447 for LOIs [2019-09-17 18:12:23,160 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 446 for LOIs [2019-09-17 18:12:34,165 WARN L191 SmtUtils]: Spent 10.83 s on a formula simplification. DAG size of input: 459 DAG size of output: 458 [2019-09-17 18:12:39,474 WARN L191 SmtUtils]: Spent 5.31 s on a formula simplification that was a NOOP. DAG size: 458 [2019-09-17 18:12:40,436 WARN L191 SmtUtils]: Spent 950.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 130 [2019-09-17 18:12:52,350 WARN L191 SmtUtils]: Spent 11.91 s on a formula simplification. DAG size of input: 515 DAG size of output: 466 [2019-09-17 18:13:02,969 WARN L191 SmtUtils]: Spent 10.62 s on a formula simplification. DAG size of input: 459 DAG size of output: 458 [2019-09-17 18:13:08,260 WARN L191 SmtUtils]: Spent 5.29 s on a formula simplification that was a NOOP. DAG size: 458 [2019-09-17 18:13:09,223 WARN L191 SmtUtils]: Spent 960.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 130 [2019-09-17 18:13:21,067 WARN L191 SmtUtils]: Spent 11.84 s on a formula simplification. DAG size of input: 515 DAG size of output: 466 [2019-09-17 18:13:39,238 WARN L191 SmtUtils]: Spent 18.07 s on a formula simplification. DAG size of input: 484 DAG size of output: 481 [2019-09-17 18:13:48,258 WARN L191 SmtUtils]: Spent 9.02 s on a formula simplification that was a NOOP. DAG size: 481 [2019-09-17 18:13:48,631 WARN L191 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-09-17 18:14:08,678 WARN L191 SmtUtils]: Spent 20.05 s on a formula simplification. DAG size of input: 523 DAG size of output: 486 [2019-09-17 18:14:37,566 WARN L191 SmtUtils]: Spent 28.80 s on a formula simplification. DAG size of input: 509 DAG size of output: 509 [2019-09-17 18:14:52,014 WARN L191 SmtUtils]: Spent 14.45 s on a formula simplification that was a NOOP. DAG size: 509 [2019-09-17 18:14:52,394 WARN L191 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2019-09-17 18:15:18,533 WARN L191 SmtUtils]: Spent 26.14 s on a formula simplification. DAG size of input: 538 DAG size of output: 516 [2019-09-17 18:15:19,843 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 35 [2019-09-17 18:15:19,951 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2019-09-17 18:15:20,147 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 38 [2019-09-17 18:15:20,367 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 38 [2019-09-17 18:15:34,382 WARN L191 SmtUtils]: Spent 13.67 s on a formula simplification. DAG size of input: 530 DAG size of output: 525 [2019-09-17 18:15:41,246 WARN L191 SmtUtils]: Spent 6.86 s on a formula simplification that was a NOOP. DAG size: 525 [2019-09-17 18:15:41,704 WARN L191 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-17 18:15:56,207 WARN L191 SmtUtils]: Spent 14.50 s on a formula simplification. DAG size of input: 527 DAG size of output: 526 [2019-09-17 18:16:07,983 WARN L191 SmtUtils]: Spent 11.72 s on a formula simplification. DAG size of input: 550 DAG size of output: 539 [2019-09-17 18:16:13,739 WARN L191 SmtUtils]: Spent 5.75 s on a formula simplification that was a NOOP. DAG size: 539 [2019-09-17 18:16:14,190 WARN L191 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-17 18:16:27,053 WARN L191 SmtUtils]: Spent 12.86 s on a formula simplification. DAG size of input: 541 DAG size of output: 541 [2019-09-17 18:16:40,188 WARN L191 SmtUtils]: Spent 13.08 s on a formula simplification. DAG size of input: 539 DAG size of output: 531 [2019-09-17 18:16:46,689 WARN L191 SmtUtils]: Spent 6.50 s on a formula simplification that was a NOOP. DAG size: 531 [2019-09-17 18:16:47,095 WARN L191 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-17 18:17:01,787 WARN L191 SmtUtils]: Spent 14.69 s on a formula simplification. DAG size of input: 531 DAG size of output: 525 [2019-09-17 18:17:27,802 WARN L191 SmtUtils]: Spent 26.00 s on a formula simplification. DAG size of input: 545 DAG size of output: 545 [2019-09-17 18:17:40,701 WARN L191 SmtUtils]: Spent 12.90 s on a formula simplification that was a NOOP. DAG size: 545 [2019-09-17 18:17:41,094 WARN L191 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-17 18:18:09,147 WARN L191 SmtUtils]: Spent 28.05 s on a formula simplification. DAG size of input: 546 DAG size of output: 540 [2019-09-17 18:18:35,579 WARN L191 SmtUtils]: Spent 26.43 s on a formula simplification. DAG size of input: 550 DAG size of output: 546 [2019-09-17 18:18:48,857 WARN L191 SmtUtils]: Spent 13.28 s on a formula simplification that was a NOOP. DAG size: 546 [2019-09-17 18:18:49,202 WARN L191 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-17 18:19:31,665 WARN L191 SmtUtils]: Spent 42.46 s on a formula simplification. DAG size of input: 547 DAG size of output: 542 [2019-09-17 18:20:02,477 WARN L191 SmtUtils]: Spent 30.78 s on a formula simplification. DAG size of input: 560 DAG size of output: 540 [2019-09-17 18:20:15,506 WARN L191 SmtUtils]: Spent 13.03 s on a formula simplification that was a NOOP. DAG size: 540 [2019-09-17 18:20:39,563 WARN L191 SmtUtils]: Spent 24.00 s on a formula simplification. DAG size of input: 540 DAG size of output: 540 [2019-09-17 18:20:39,974 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 36 [2019-09-17 18:20:53,661 WARN L191 SmtUtils]: Spent 13.46 s on a formula simplification. DAG size of input: 532 DAG size of output: 521 [2019-09-17 18:21:00,349 WARN L191 SmtUtils]: Spent 6.69 s on a formula simplification that was a NOOP. DAG size: 521 [2019-09-17 18:21:00,738 WARN L191 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-17 18:21:13,010 WARN L191 SmtUtils]: Spent 12.27 s on a formula simplification. DAG size of input: 523 DAG size of output: 521 [2019-09-17 18:21:25,838 WARN L191 SmtUtils]: Spent 12.79 s on a formula simplification. DAG size of input: 534 DAG size of output: 534 [2019-09-17 18:21:32,198 WARN L191 SmtUtils]: Spent 6.36 s on a formula simplification that was a NOOP. DAG size: 534 [2019-09-17 18:21:32,578 WARN L191 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-17 18:21:54,063 WARN L191 SmtUtils]: Spent 21.48 s on a formula simplification. DAG size of input: 536 DAG size of output: 531 [2019-09-17 18:22:02,823 WARN L191 SmtUtils]: Spent 8.71 s on a formula simplification. DAG size of input: 531 DAG size of output: 525 [2019-09-17 18:22:06,286 WARN L191 SmtUtils]: Spent 3.46 s on a formula simplification that was a NOOP. DAG size: 525 [2019-09-17 18:22:06,654 WARN L191 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-17 18:22:13,958 WARN L191 SmtUtils]: Spent 7.30 s on a formula simplification. DAG size of input: 525 DAG size of output: 525 [2019-09-17 18:22:34,591 WARN L191 SmtUtils]: Spent 20.63 s on a formula simplification. DAG size of input: 540 DAG size of output: 540 [2019-09-17 18:22:44,953 WARN L191 SmtUtils]: Spent 10.36 s on a formula simplification that was a NOOP. DAG size: 540 [2019-09-17 18:22:45,328 WARN L191 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-17 18:23:06,902 WARN L191 SmtUtils]: Spent 21.57 s on a formula simplification. DAG size of input: 541 DAG size of output: 541 [2019-09-17 18:23:27,508 WARN L191 SmtUtils]: Spent 20.60 s on a formula simplification. DAG size of input: 542 DAG size of output: 540 [2019-09-17 18:23:37,759 WARN L191 SmtUtils]: Spent 10.25 s on a formula simplification that was a NOOP. DAG size: 540 [2019-09-17 18:23:38,107 WARN L191 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-17 18:23:59,164 WARN L191 SmtUtils]: Spent 21.06 s on a formula simplification. DAG size of input: 541 DAG size of output: 541 [2019-09-17 18:24:01,143 WARN L191 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 539 DAG size of output: 1 [2019-09-17 18:24:19,410 WARN L191 SmtUtils]: Spent 18.18 s on a formula simplification. DAG size of input: 484 DAG size of output: 481 [2019-09-17 18:24:28,452 WARN L191 SmtUtils]: Spent 9.04 s on a formula simplification that was a NOOP. DAG size: 481 [2019-09-17 18:24:28,798 WARN L191 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-09-17 18:24:48,675 WARN L191 SmtUtils]: Spent 19.88 s on a formula simplification. DAG size of input: 523 DAG size of output: 486