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_spec1_product20.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-18 03:34:53,607 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-18 03:34:53,609 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-18 03:34:53,620 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-18 03:34:53,620 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-18 03:34:53,621 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-18 03:34:53,622 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-18 03:34:53,624 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-18 03:34:53,626 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-18 03:34:53,627 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-18 03:34:53,628 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-18 03:34:53,629 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-18 03:34:53,629 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-18 03:34:53,630 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-18 03:34:53,631 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-18 03:34:53,632 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-18 03:34:53,633 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-18 03:34:53,634 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-18 03:34:53,635 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-18 03:34:53,640 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-18 03:34:53,641 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-18 03:34:53,642 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-18 03:34:53,643 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-18 03:34:53,644 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-18 03:34:53,646 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-18 03:34:53,647 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-18 03:34:53,647 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-18 03:34:53,648 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-18 03:34:53,648 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-18 03:34:53,649 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-18 03:34:53,649 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-18 03:34:53,650 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-18 03:34:53,650 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-18 03:34:53,651 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-18 03:34:53,652 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-18 03:34:53,652 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-18 03:34:53,653 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-18 03:34:53,653 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-18 03:34:53,653 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-18 03:34:53,654 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-18 03:34:53,655 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-18 03:34:53,656 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 03:34:53,670 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-18 03:34:53,670 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-18 03:34:53,671 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-18 03:34:53,672 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-18 03:34:53,672 INFO L138 SettingsManager]: * Use SBE=true [2019-09-18 03:34:53,672 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-18 03:34:53,672 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-18 03:34:53,672 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-18 03:34:53,673 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-18 03:34:53,673 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-18 03:34:53,673 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-18 03:34:53,673 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-18 03:34:53,673 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-18 03:34:53,674 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-18 03:34:53,674 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-18 03:34:53,674 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-18 03:34:53,674 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-18 03:34:53,674 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-18 03:34:53,675 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-18 03:34:53,675 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-18 03:34:53,675 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-18 03:34:53,675 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 03:34:53,675 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-18 03:34:53,676 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-18 03:34:53,676 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-18 03:34:53,676 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-18 03:34:53,676 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-18 03:34:53,676 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-18 03:34:53,677 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 03:34:53,708 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-18 03:34:53,722 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-18 03:34:53,728 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-18 03:34:53,729 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-18 03:34:53,730 INFO L275 PluginConnector]: CDTParser initialized [2019-09-18 03:34:53,730 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product20.cil.c [2019-09-18 03:34:53,788 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb7c68be8/e0c6f67aafa24272888fbe9e8267703a/FLAG3a11fcdc8 [2019-09-18 03:34:54,288 INFO L306 CDTParser]: Found 1 translation units. [2019-09-18 03:34:54,289 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product20.cil.c [2019-09-18 03:34:54,314 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb7c68be8/e0c6f67aafa24272888fbe9e8267703a/FLAG3a11fcdc8 [2019-09-18 03:34:54,601 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb7c68be8/e0c6f67aafa24272888fbe9e8267703a [2019-09-18 03:34:54,612 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-18 03:34:54,617 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-18 03:34:54,617 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-18 03:34:54,618 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-18 03:34:54,621 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-18 03:34:54,622 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 03:34:54" (1/1) ... [2019-09-18 03:34:54,625 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38efe2b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:34:54, skipping insertion in model container [2019-09-18 03:34:54,625 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 03:34:54" (1/1) ... [2019-09-18 03:34:54,631 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-18 03:34:54,683 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-18 03:34:55,083 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 03:34:55,097 INFO L188 MainTranslator]: Completed pre-run [2019-09-18 03:34:55,173 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 03:34:55,220 INFO L192 MainTranslator]: Completed translation [2019-09-18 03:34:55,220 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:34:55 WrapperNode [2019-09-18 03:34:55,220 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-18 03:34:55,221 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-18 03:34:55,221 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-18 03:34:55,221 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-18 03:34:55,233 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:34:55" (1/1) ... [2019-09-18 03:34:55,233 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:34:55" (1/1) ... [2019-09-18 03:34:55,251 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:34:55" (1/1) ... [2019-09-18 03:34:55,251 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:34:55" (1/1) ... [2019-09-18 03:34:55,302 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:34:55" (1/1) ... [2019-09-18 03:34:55,310 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:34:55" (1/1) ... [2019-09-18 03:34:55,315 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:34:55" (1/1) ... [2019-09-18 03:34:55,324 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-18 03:34:55,324 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-18 03:34:55,324 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-18 03:34:55,325 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-18 03:34:55,325 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:34:55" (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 03:34:55,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-18 03:34:55,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-18 03:34:55,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-18 03:34:55,396 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-18 03:34:55,396 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-18 03:34:55,397 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-18 03:34:55,397 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-18 03:34:55,397 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-18 03:34:55,397 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-18 03:34:55,397 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-18 03:34:55,397 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-18 03:34:55,398 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-18 03:34:55,398 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-18 03:34:55,398 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-18 03:34:55,398 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-18 03:34:55,398 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-18 03:34:55,398 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-18 03:34:55,399 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-18 03:34:55,399 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-18 03:34:55,399 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-18 03:34:55,399 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-18 03:34:55,399 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-18 03:34:55,399 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-18 03:34:55,400 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-18 03:34:55,400 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-18 03:34:55,400 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-18 03:34:55,400 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-18 03:34:55,400 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-18 03:34:55,400 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-18 03:34:55,401 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-18 03:34:55,401 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-18 03:34:55,401 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-18 03:34:55,401 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-18 03:34:55,401 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-18 03:34:55,401 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-18 03:34:55,401 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-18 03:34:55,402 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-18 03:34:55,402 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-18 03:34:55,402 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-09-18 03:34:55,402 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-18 03:34:55,402 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-18 03:34:55,402 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-18 03:34:55,403 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-18 03:34:55,403 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-18 03:34:55,403 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-18 03:34:55,403 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-18 03:34:55,403 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-18 03:34:55,403 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-18 03:34:55,404 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-18 03:34:55,404 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-18 03:34:55,404 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-18 03:34:55,404 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-18 03:34:55,404 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-18 03:34:55,404 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-18 03:34:55,405 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-18 03:34:55,405 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-18 03:34:55,405 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-18 03:34:55,405 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-18 03:34:55,405 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-18 03:34:55,405 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-18 03:34:55,406 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-18 03:34:55,406 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-18 03:34:55,406 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-18 03:34:55,406 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-18 03:34:55,406 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-18 03:34:55,406 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-09-18 03:34:55,407 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-18 03:34:55,407 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-18 03:34:55,407 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-18 03:34:55,407 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-18 03:34:55,407 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-18 03:34:55,407 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-18 03:34:55,407 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-18 03:34:55,408 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-18 03:34:55,408 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-18 03:34:55,408 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-18 03:34:55,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-18 03:34:55,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-18 03:34:55,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-18 03:34:55,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-18 03:34:55,409 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-18 03:34:55,409 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-18 03:34:55,409 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-18 03:34:55,409 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-18 03:34:55,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-18 03:34:55,410 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-18 03:34:55,410 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-18 03:34:55,410 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-18 03:34:55,410 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-18 03:34:55,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-18 03:34:55,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-18 03:34:55,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-18 03:34:56,384 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-18 03:34:56,406 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-18 03:34:56,408 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 03:34:56 BoogieIcfgContainer [2019-09-18 03:34:56,408 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-18 03:34:56,408 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-18 03:34:56,408 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-18 03:34:56,409 INFO L275 PluginConnector]: Sifa initialized [2019-09-18 03:34:56,410 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 03:34:56" (1/1) ... [2019-09-18 03:34:56,410 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 03:34:56,433 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-18 03:34:56,433 INFO L169 IcfgInterpreter]: Building call graph [2019-09-18 03:34:56,442 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-18 03:34:56,450 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-18 03:34:56,452 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-18 03:35:19,000 WARN L191 SmtUtils]: Spent 13.66 s on a formula simplification that was a NOOP. DAG size: 464 [2019-09-18 03:35:20,519 WARN L191 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-18 03:35:24,151 WARN L191 SmtUtils]: Spent 3.62 s on a formula simplification. DAG size of input: 472 DAG size of output: 422 [2019-09-18 03:35:25,829 WARN L191 SmtUtils]: Spent 1.67 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-18 03:35:27,502 WARN L191 SmtUtils]: Spent 1.67 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-18 03:35:27,516 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 430 for LOIs [2019-09-18 03:35:27,585 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 430 for LOIs [2019-09-18 03:35:27,590 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 430 for LOIs [2019-09-18 03:35:38,245 WARN L191 SmtUtils]: Spent 10.51 s on a formula simplification. DAG size of input: 443 DAG size of output: 442 [2019-09-18 03:35:43,401 WARN L191 SmtUtils]: Spent 5.16 s on a formula simplification that was a NOOP. DAG size: 442 [2019-09-18 03:36:09,134 WARN L191 SmtUtils]: Spent 25.65 s on a formula simplification. DAG size of input: 457 DAG size of output: 455 [2019-09-18 03:36:17,661 WARN L191 SmtUtils]: Spent 8.53 s on a formula simplification that was a NOOP. DAG size: 455 [2019-09-18 03:36:48,305 WARN L191 SmtUtils]: Spent 30.52 s on a formula simplification. DAG size of input: 480 DAG size of output: 477 [2019-09-18 03:37:03,539 WARN L191 SmtUtils]: Spent 15.23 s on a formula simplification that was a NOOP. DAG size: 477 [2019-09-18 03:37:25,409 WARN L191 SmtUtils]: Spent 21.82 s on a formula simplification that was a NOOP. DAG size: 492 [2019-09-18 03:37:26,346 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 455 DAG size of output: 30 [2019-09-18 03:37:26,494 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 34 [2019-09-18 03:37:26,729 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 48 [2019-09-18 03:37:27,279 WARN L191 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 61 [2019-09-18 03:37:27,415 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2019-09-18 03:37:27,591 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2019-09-18 03:37:28,624 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 48 [2019-09-18 03:37:28,900 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 48 [2019-09-18 03:37:29,295 WARN L191 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 46 [2019-09-18 03:37:29,621 WARN L191 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 46 [2019-09-18 03:37:29,964 WARN L191 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 46 [2019-09-18 03:37:30,395 WARN L191 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 52 [2019-09-18 03:37:30,738 WARN L191 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 52 [2019-09-18 03:37:31,077 WARN L191 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 52 [2019-09-18 03:37:31,274 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 48 [2019-09-18 03:37:31,541 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 48 [2019-09-18 03:37:31,966 WARN L191 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 55 [2019-09-18 03:37:32,274 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 48 [2019-09-18 03:37:32,684 WARN L191 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 69 [2019-09-18 03:37:32,695 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 7 for LOIs [2019-09-18 03:37:33,092 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 37 [2019-09-18 03:37:33,150 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 7 for LOIs [2019-09-18 03:37:33,238 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification1_spec__1 with input of size 1 for LOIs [2019-09-18 03:37:33,242 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 16 for LOIs [2019-09-18 03:37:33,270 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-18 03:37:33,271 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-18 03:37:33,273 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 495#(and (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (not (= ~pumpRunning~0 0))) [2019-09-18 03:37:33,283 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-18 03:37:33,283 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-18 03:37:33,285 INFO L168 Benchmark]: Toolchain (without parser) took 158671.77 ms. Allocated memory was 140.5 MB in the beginning and 161.5 MB in the end (delta: 21.0 MB). Free memory was 86.3 MB in the beginning and 120.2 MB in the end (delta: -33.8 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-18 03:37:33,286 INFO L168 Benchmark]: CDTParser took 1.12 ms. Allocated memory is still 140.5 MB. Free memory was 106.5 MB in the beginning and 106.3 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-09-18 03:37:33,287 INFO L168 Benchmark]: CACSL2BoogieTranslator took 603.34 ms. Allocated memory was 140.5 MB in the beginning and 200.3 MB in the end (delta: 59.8 MB). Free memory was 86.1 MB in the beginning and 166.6 MB in the end (delta: -80.5 MB). Peak memory consumption was 22.2 MB. Max. memory is 7.1 GB. [2019-09-18 03:37:33,287 INFO L168 Benchmark]: Boogie Preprocessor took 102.81 ms. Allocated memory is still 200.3 MB. Free memory was 166.6 MB in the beginning and 162.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2019-09-18 03:37:33,288 INFO L168 Benchmark]: RCFGBuilder took 1083.64 ms. Allocated memory was 200.3 MB in the beginning and 226.5 MB in the end (delta: 26.2 MB). Free memory was 162.4 MB in the beginning and 197.4 MB in the end (delta: -35.0 MB). Peak memory consumption was 89.5 MB. Max. memory is 7.1 GB. [2019-09-18 03:37:33,289 INFO L168 Benchmark]: Sifa took 156874.97 ms. Allocated memory was 226.5 MB in the beginning and 161.5 MB in the end (delta: -65.0 MB). Free memory was 197.4 MB in the beginning and 120.2 MB in the end (delta: 77.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 7.1 GB. [2019-09-18 03:37:33,294 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.12 ms. Allocated memory is still 140.5 MB. Free memory was 106.5 MB in the beginning and 106.3 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 603.34 ms. Allocated memory was 140.5 MB in the beginning and 200.3 MB in the end (delta: 59.8 MB). Free memory was 86.1 MB in the beginning and 166.6 MB in the end (delta: -80.5 MB). Peak memory consumption was 22.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 102.81 ms. Allocated memory is still 200.3 MB. Free memory was 166.6 MB in the beginning and 162.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1083.64 ms. Allocated memory was 200.3 MB in the beginning and 226.5 MB in the end (delta: 26.2 MB). Free memory was 162.4 MB in the beginning and 197.4 MB in the end (delta: -35.0 MB). Peak memory consumption was 89.5 MB. Max. memory is 7.1 GB. * Sifa took 156874.97 ms. Allocated memory was 226.5 MB in the beginning and 161.5 MB in the end (delta: -65.0 MB). Free memory was 197.4 MB in the beginning and 120.2 MB in the end (delta: 77.2 MB). Peak memory consumption was 12.2 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]: 156840, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 257, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 176, TOOLS_POST_TIME[ms]: 27712, TOOLS_POST_CALL_APPLICATIONS: 67, TOOLS_POST_CALL_TIME[ms]: 146, TOOLS_POST_RETURN_APPLICATIONS: 58, TOOLS_POST_RETURN_TIME[ms]: 83, TOOLS_QUANTIFIERELIM_APPLICATIONS: 300, TOOLS_QUANTIFIERELIM_TIME[ms]: 27852, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 27639, FLUID_QUERY_TIME[ms]: 10, FLUID_QUERIES: 262, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 81, DOMAIN_JOIN_TIME[ms]: 128157, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 337, DOMAIN_ISSUBSETEQ_APPLICATIONS: 5, DOMAIN_ISSUBSETEQ_TIME[ms]: 11, DOMAIN_ISBOTTOM_APPLICATIONS: 43, DOMAIN_ISBOTTOM_TIME[ms]: 249, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 120512, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 120511, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 5, CALL_SUMMARIZER_APPLICATIONS: 58, CALL_SUMMARIZER_CACHE_MISSES: 22, CALL_SUMMARIZER_OVERALL_TIME[ms]: 31981, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 31980, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 43, DAG_COMPRESSION_PROCESSED_NODES: 509, DAG_COMPRESSION_RETAINED_NODES: 269 - UnprovableResult [Line: 44]: 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 495#(and (<= ~pumpRunning~0 2147483647) (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...