java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.logsizewrapperfluid.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK --sifa.max.parallel.explicit.values 2 --sifa.sizelimitfluid.max.disjunctions 4 -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product19.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-ba7495b [2019-09-25 17:07:32,709 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-25 17:07:32,711 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-25 17:07:32,723 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-25 17:07:32,723 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-25 17:07:32,724 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-25 17:07:32,725 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-25 17:07:32,727 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-25 17:07:32,729 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-25 17:07:32,730 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-25 17:07:32,731 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-25 17:07:32,732 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-25 17:07:32,732 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-25 17:07:32,733 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-25 17:07:32,734 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-25 17:07:32,735 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-25 17:07:32,736 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-25 17:07:32,737 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-25 17:07:32,738 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-25 17:07:32,740 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-25 17:07:32,742 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-25 17:07:32,743 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-25 17:07:32,744 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-25 17:07:32,744 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-25 17:07:32,746 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-25 17:07:32,747 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-25 17:07:32,747 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-25 17:07:32,748 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-25 17:07:32,748 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-25 17:07:32,749 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-25 17:07:32,749 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-25 17:07:32,750 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-25 17:07:32,750 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-25 17:07:32,751 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-25 17:07:32,752 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-25 17:07:32,752 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-25 17:07:32,753 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-25 17:07:32,753 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-25 17:07:32,754 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-25 17:07:32,754 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-25 17:07:32,755 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-25 17:07:32,756 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 [2019-09-25 17:07:32,771 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-25 17:07:32,771 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-25 17:07:32,773 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-25 17:07:32,773 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-25 17:07:32,774 INFO L138 SettingsManager]: * Use SBE=true [2019-09-25 17:07:32,774 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-25 17:07:32,774 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-25 17:07:32,774 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-25 17:07:32,774 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-25 17:07:32,775 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-25 17:07:32,775 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-25 17:07:32,775 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-25 17:07:32,776 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-25 17:07:32,776 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-25 17:07:32,776 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-25 17:07:32,777 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-25 17:07:32,777 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-25 17:07:32,777 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-25 17:07:32,777 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-25 17:07:32,778 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-25 17:07:32,778 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-25 17:07:32,778 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 17:07:32,781 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-25 17:07:32,781 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-25 17:07:32,781 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-25 17:07:32,781 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-25 17:07:32,781 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-25 17:07:32,782 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-25 17:07:32,782 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: LogSizeWrapperFluid Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Max. Parallel Explicit Values -> 2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: SizeLimitFluid Max. Disjunctions -> 4 [2019-09-25 17:07:32,823 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-25 17:07:32,839 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-25 17:07:32,845 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-25 17:07:32,847 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-25 17:07:32,850 INFO L275 PluginConnector]: CDTParser initialized [2019-09-25 17:07:32,851 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product19.cil.c [2019-09-25 17:07:32,933 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c6800172/de5a9d2016964b84b7e4fc119bf99102/FLAG19bac5029 [2019-09-25 17:07:33,470 INFO L306 CDTParser]: Found 1 translation units. [2019-09-25 17:07:33,470 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product19.cil.c [2019-09-25 17:07:33,485 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c6800172/de5a9d2016964b84b7e4fc119bf99102/FLAG19bac5029 [2019-09-25 17:07:33,768 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c6800172/de5a9d2016964b84b7e4fc119bf99102 [2019-09-25 17:07:33,778 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-25 17:07:33,780 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-25 17:07:33,781 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-25 17:07:33,781 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-25 17:07:33,785 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-25 17:07:33,786 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:07:33" (1/1) ... [2019-09-25 17:07:33,789 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5370fc2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:07:33, skipping insertion in model container [2019-09-25 17:07:33,790 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:07:33" (1/1) ... [2019-09-25 17:07:33,798 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-25 17:07:33,852 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-25 17:07:34,351 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:07:34,375 INFO L188 MainTranslator]: Completed pre-run [2019-09-25 17:07:34,486 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:07:34,536 INFO L192 MainTranslator]: Completed translation [2019-09-25 17:07:34,537 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:07:34 WrapperNode [2019-09-25 17:07:34,538 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-25 17:07:34,539 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-25 17:07:34,539 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-25 17:07:34,539 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-25 17:07:34,554 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:07:34" (1/1) ... [2019-09-25 17:07:34,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:07:34" (1/1) ... [2019-09-25 17:07:34,575 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:07:34" (1/1) ... [2019-09-25 17:07:34,576 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:07:34" (1/1) ... [2019-09-25 17:07:34,617 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:07:34" (1/1) ... [2019-09-25 17:07:34,628 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:07:34" (1/1) ... [2019-09-25 17:07:34,633 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:07:34" (1/1) ... [2019-09-25 17:07:34,641 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-25 17:07:34,641 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-25 17:07:34,641 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-25 17:07:34,642 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-25 17:07:34,643 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:07:34" (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 [2019-09-25 17:07:34,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-25 17:07:34,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-25 17:07:34,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-25 17:07:34,707 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-25 17:07:34,708 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-25 17:07:34,708 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-25 17:07:34,708 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-25 17:07:34,709 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-25 17:07:34,709 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-25 17:07:34,709 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-25 17:07:34,710 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-25 17:07:34,710 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-25 17:07:34,711 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-25 17:07:34,711 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-25 17:07:34,711 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-25 17:07:34,711 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-25 17:07:34,711 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-25 17:07:34,711 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-25 17:07:34,712 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-25 17:07:34,712 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-25 17:07:34,712 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-25 17:07:34,712 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-25 17:07:34,712 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-09-25 17:07:34,712 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-09-25 17:07:34,713 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-25 17:07:34,713 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-25 17:07:34,713 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-25 17:07:34,713 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-25 17:07:34,713 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-25 17:07:34,714 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-25 17:07:34,714 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-25 17:07:34,714 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-25 17:07:34,714 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-25 17:07:34,714 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-25 17:07:34,714 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-25 17:07:34,714 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-25 17:07:34,715 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-25 17:07:34,715 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-25 17:07:34,715 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-25 17:07:34,715 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-25 17:07:34,715 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-25 17:07:34,715 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-25 17:07:34,716 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-25 17:07:34,716 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-25 17:07:34,716 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-25 17:07:34,716 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-25 17:07:34,716 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-25 17:07:34,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-25 17:07:34,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-25 17:07:34,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-25 17:07:34,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-25 17:07:34,717 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-25 17:07:34,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-25 17:07:34,717 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-25 17:07:34,717 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-25 17:07:34,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-25 17:07:34,718 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-25 17:07:34,718 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-25 17:07:34,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-25 17:07:34,718 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-25 17:07:34,718 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-25 17:07:34,719 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-25 17:07:34,719 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-25 17:07:34,719 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-25 17:07:34,719 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-25 17:07:34,719 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-25 17:07:34,719 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-25 17:07:34,720 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-25 17:07:34,720 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-25 17:07:34,720 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-25 17:07:34,720 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-25 17:07:34,720 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-25 17:07:34,720 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-09-25 17:07:34,720 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-25 17:07:34,721 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-25 17:07:34,721 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-25 17:07:34,721 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-25 17:07:34,721 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-25 17:07:34,721 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-25 17:07:34,721 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-25 17:07:34,722 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-09-25 17:07:34,722 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-25 17:07:34,722 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-25 17:07:34,722 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-25 17:07:34,722 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-25 17:07:34,722 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-25 17:07:34,723 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-25 17:07:34,723 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-25 17:07:34,723 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-25 17:07:34,723 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-25 17:07:34,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-25 17:07:34,723 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-25 17:07:36,412 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-25 17:07:36,413 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-25 17:07:36,414 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:07:36 BoogieIcfgContainer [2019-09-25 17:07:36,415 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-25 17:07:36,415 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-25 17:07:36,415 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-25 17:07:36,416 INFO L275 PluginConnector]: Sifa initialized [2019-09-25 17:07:36,417 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:07:36" (1/1) ... [2019-09-25 17:07:36,418 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=ExplicitValueDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=4 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-09-25 17:07:36,444 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-25 17:07:36,444 INFO L169 IcfgInterpreter]: Building call graph [2019-09-25 17:07:36,457 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-25 17:07:36,469 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-25 17:07:36,471 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-25 17:07:47,116 WARN L191 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-09-25 17:07:49,070 WARN L191 SmtUtils]: Spent 662.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-25 17:07:49,212 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-25 17:07:49,362 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-25 17:07:49,492 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-25 17:07:49,512 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 484 for LOIs [2019-09-25 17:07:49,563 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 484 for LOIs [2019-09-25 17:07:49,580 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 484 for LOIs [2019-09-25 17:07:50,034 WARN L191 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-25 17:07:50,462 WARN L191 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-25 17:07:50,959 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 506 [2019-09-25 17:07:51,078 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 506 [2019-09-25 17:07:51,490 WARN L191 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 523 [2019-09-25 17:07:52,042 WARN L191 SmtUtils]: Spent 496.00 ms on a formula simplification that was a NOOP. DAG size: 523 [2019-09-25 17:07:52,589 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 509 [2019-09-25 17:07:52,704 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 508 [2019-09-25 17:07:53,018 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 523 [2019-09-25 17:07:53,293 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 523 [2019-09-25 17:07:53,468 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-25 17:07:53,473 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 72 for LOIs [2019-09-25 17:07:53,524 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification2_spec__2 with input of size 66 for LOIs [2019-09-25 17:07:53,530 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 80 for LOIs [2019-09-25 17:07:53,538 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-25 17:07:53,538 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-25 17:07:53,540 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 426#(and (not (= 0 ~methAndRunningLastTime~0)) (= |#t~string20.offset| 0) (= |#t~string21.offset| 0) (= |#t~string61.offset| 0) (= |#t~string55.offset| 0) (= |#t~string44.offset| 0) (= |#t~string29.offset| 0) (= |#t~string42.offset| 0) (= |#t~string57.offset| 0) (= |#t~string27.offset| 0) (not (= ~pumpRunning~0 0)) (= |#t~string28.offset| 0) (= |#t~string19.offset| 0) (= ~head~0.base 0) (= |#t~string59.offset| 0) (not (= 0 ~methaneLevelCritical~0)) (= |#t~string32.offset| 0) (= |#t~string30.offset| 0) (= ~cleanupTimeShifts~0 4) (<= ~methaneLevelCritical~0 2147483647) (= |#NULL.base| 0) (= |#t~string38.offset| 0) (= |#t~string65.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#t~string18.offset| 0) (= |#t~string22.offset| 0) (= ~head~0.offset 0) (= |#t~string51.offset| 0) (= |#t~string63.offset| 0) (<= ~pumpRunning~0 2147483647) (= |#t~string31.offset| 0) (= |#t~string36.offset| 0) (= |#t~string40.offset| 0) (= |#NULL.offset| 0) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (= |#t~string23.offset| 0) (= |#t~string53.offset| 0)) [2019-09-25 17:07:53,553 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-25 17:07:53,554 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-25 17:07:53,556 INFO L168 Benchmark]: Toolchain (without parser) took 19775.76 ms. Allocated memory was 138.4 MB in the beginning and 439.9 MB in the end (delta: 301.5 MB). Free memory was 83.9 MB in the beginning and 249.9 MB in the end (delta: -165.9 MB). Peak memory consumption was 135.5 MB. Max. memory is 7.1 GB. [2019-09-25 17:07:53,557 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 138.4 MB. Free memory was 103.3 MB in the beginning and 103.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-25 17:07:53,558 INFO L168 Benchmark]: CACSL2BoogieTranslator took 757.49 ms. Allocated memory was 138.4 MB in the beginning and 197.7 MB in the end (delta: 59.2 MB). Free memory was 83.7 MB in the beginning and 162.6 MB in the end (delta: -78.9 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB. [2019-09-25 17:07:53,559 INFO L168 Benchmark]: Boogie Preprocessor took 101.78 ms. Allocated memory is still 197.7 MB. Free memory was 162.6 MB in the beginning and 158.4 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-09-25 17:07:53,560 INFO L168 Benchmark]: RCFGBuilder took 1773.57 ms. Allocated memory was 197.7 MB in the beginning and 219.2 MB in the end (delta: 21.5 MB). Free memory was 158.4 MB in the beginning and 143.4 MB in the end (delta: 15.0 MB). Peak memory consumption was 92.8 MB. Max. memory is 7.1 GB. [2019-09-25 17:07:53,561 INFO L168 Benchmark]: Sifa took 17138.70 ms. Allocated memory was 219.2 MB in the beginning and 439.9 MB in the end (delta: 220.7 MB). Free memory was 143.4 MB in the beginning and 249.9 MB in the end (delta: -106.5 MB). Peak memory consumption was 114.3 MB. Max. memory is 7.1 GB. [2019-09-25 17:07:53,564 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 138.4 MB. Free memory was 103.3 MB in the beginning and 103.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 757.49 ms. Allocated memory was 138.4 MB in the beginning and 197.7 MB in the end (delta: 59.2 MB). Free memory was 83.7 MB in the beginning and 162.6 MB in the end (delta: -78.9 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 101.78 ms. Allocated memory is still 197.7 MB. Free memory was 162.6 MB in the beginning and 158.4 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1773.57 ms. Allocated memory was 197.7 MB in the beginning and 219.2 MB in the end (delta: 21.5 MB). Free memory was 158.4 MB in the beginning and 143.4 MB in the end (delta: 15.0 MB). Peak memory consumption was 92.8 MB. Max. memory is 7.1 GB. * Sifa took 17138.70 ms. Allocated memory was 219.2 MB in the beginning and 439.9 MB in the end (delta: 220.7 MB). Free memory was 143.4 MB in the beginning and 249.9 MB in the end (delta: -106.5 MB). Peak memory consumption was 114.3 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]: 17097, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 186, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 126, TOOLS_POST_TIME[ms]: 12730, TOOLS_POST_CALL_APPLICATIONS: 53, TOOLS_POST_CALL_TIME[ms]: 155, TOOLS_POST_RETURN_APPLICATIONS: 46, TOOLS_POST_RETURN_TIME[ms]: 65, TOOLS_QUANTIFIERELIM_APPLICATIONS: 224, TOOLS_QUANTIFIERELIM_TIME[ms]: 12847, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 12660, FLUID_QUERY_TIME[ms]: 12, FLUID_QUERIES: 188, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 61, DOMAIN_JOIN_TIME[ms]: 3606, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 248, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 9, DOMAIN_ISBOTTOM_APPLICATIONS: 38, DOMAIN_ISBOTTOM_TIME[ms]: 139, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 2819, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 2818, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 46, CALL_SUMMARIZER_CACHE_MISSES: 22, CALL_SUMMARIZER_OVERALL_TIME[ms]: 13077, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 13075, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 29, DAG_COMPRESSION_PROCESSED_NODES: 329, DAG_COMPRESSION_RETAINED_NODES: 186 - 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 426#(and (not (= 0 ~methAndRunningLastTime~0)) (= |#t~string20.offset| 0) (= |#t~string21.offset| 0) (= |#t~string61.offset| 0) (= |#t~string55.offset| 0) (= |#t~string44.offset| 0) (= |#t~string29.offset| 0) (= |#t~string42.offset| 0) (= |#t~string57.offset| 0) (= |#t~string27.offset| 0) (not (= ~pumpRunning~0 0)) (= |#t~string28.offset| 0) (= |#t~string19.offset| 0) (= ~head~0.base 0) (= |#t~string59.offset| 0) (not (= 0 ~methaneLevelCritical~0)) (= |#t~string32.offset| 0) (= |#t~string30.offset| 0) (= ~cleanupTimeShifts~0 4) (<= ~methaneLevelCritical~0 2147483647) (= |#NULL.base| 0) (= |#t~string38.offset| 0) (= |#t~string65.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#t~string18.offset| 0) (= |#t~string22.offset| 0) (= ~head~0.offset 0) (= |#t~string51.offset| 0) (= |#t~string63.offset| 0) (<= ~pumpRunning~0 2147483647) (= |#t~string31.offset| 0) (= |#t~string36.offset| 0) (= |#t~string40.offset| 0) (= |#NULL.offset| 0) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (= |#t~string23.offset| 0) (= |#t~string53.offset| 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...