java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product04.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 08:34:47,732 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 08:34:47,734 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 08:34:47,753 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 08:34:47,753 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 08:34:47,755 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 08:34:47,758 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 08:34:47,767 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 08:34:47,772 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 08:34:47,775 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 08:34:47,777 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 08:34:47,779 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 08:34:47,779 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 08:34:47,781 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 08:34:47,783 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 08:34:47,785 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 08:34:47,787 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 08:34:47,788 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 08:34:47,791 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 08:34:47,797 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 08:34:47,798 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 08:34:47,799 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 08:34:47,800 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 08:34:47,801 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 08:34:47,803 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-21 08:34:47,803 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-21 08:34:47,803 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-21 08:34:47,804 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-21 08:34:47,804 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-21 08:34:47,805 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-21 08:34:47,805 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 08:34:47,806 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 08:34:47,807 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 08:34:47,807 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 08:34:47,808 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 08:34:47,809 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 08:34:47,809 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 08:34:47,809 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 08:34:47,810 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 08:34:47,810 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 08:34:47,811 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 08:34:47,812 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 [2019-09-21 08:34:47,826 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 08:34:47,826 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 08:34:47,827 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 08:34:47,827 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 08:34:47,828 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 08:34:47,828 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 08:34:47,828 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 08:34:47,828 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 08:34:47,828 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 08:34:47,829 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 08:34:47,829 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 08:34:47,829 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 08:34:47,829 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 08:34:47,829 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 08:34:47,830 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 08:34:47,830 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 08:34:47,830 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 08:34:47,830 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 08:34:47,830 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 08:34:47,831 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 08:34:47,831 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 08:34:47,831 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 08:34:47,831 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 08:34:47,831 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 08:34:47,832 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 08:34:47,832 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 08:34:47,832 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 08:34:47,832 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 08:34:47,832 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-09-21 08:34:47,863 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 08:34:47,882 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 08:34:47,889 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 08:34:47,891 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 08:34:47,891 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 08:34:47,892 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product04.cil.c [2019-09-21 08:34:47,963 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/495cb24d0/4198d4ce64e84dea86481e3b5eef844f/FLAG0fa8e48f5 [2019-09-21 08:34:48,499 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 08:34:48,500 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product04.cil.c [2019-09-21 08:34:48,512 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/495cb24d0/4198d4ce64e84dea86481e3b5eef844f/FLAG0fa8e48f5 [2019-09-21 08:34:48,819 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/495cb24d0/4198d4ce64e84dea86481e3b5eef844f [2019-09-21 08:34:48,829 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 08:34:48,831 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 08:34:48,832 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 08:34:48,832 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 08:34:48,835 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 08:34:48,836 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 08:34:48" (1/1) ... [2019-09-21 08:34:48,838 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b857900 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:34:48, skipping insertion in model container [2019-09-21 08:34:48,838 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 08:34:48" (1/1) ... [2019-09-21 08:34:48,845 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 08:34:48,906 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 08:34:49,335 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 08:34:49,350 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 08:34:49,429 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 08:34:49,477 INFO L192 MainTranslator]: Completed translation [2019-09-21 08:34:49,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:34:49 WrapperNode [2019-09-21 08:34:49,478 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 08:34:49,478 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 08:34:49,478 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 08:34:49,478 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 08:34:49,491 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:34:49" (1/1) ... [2019-09-21 08:34:49,491 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:34:49" (1/1) ... [2019-09-21 08:34:49,509 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:34:49" (1/1) ... [2019-09-21 08:34:49,509 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:34:49" (1/1) ... [2019-09-21 08:34:49,539 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:34:49" (1/1) ... [2019-09-21 08:34:49,557 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:34:49" (1/1) ... [2019-09-21 08:34:49,570 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:34:49" (1/1) ... [2019-09-21 08:34:49,584 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 08:34:49,585 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 08:34:49,585 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 08:34:49,587 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 08:34:49,588 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:34:49" (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 [2019-09-21 08:34:49,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 08:34:49,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 08:34:49,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-21 08:34:49,662 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-21 08:34:49,663 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-21 08:34:49,664 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-21 08:34:49,664 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-21 08:34:49,665 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 08:34:49,665 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-21 08:34:49,665 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-21 08:34:49,666 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-21 08:34:49,666 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-21 08:34:49,667 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-21 08:34:49,667 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-21 08:34:49,667 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-21 08:34:49,667 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-21 08:34:49,670 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-21 08:34:49,670 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-21 08:34:49,670 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-21 08:34:49,670 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-21 08:34:49,670 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-21 08:34:49,671 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-21 08:34:49,671 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-21 08:34:49,671 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-21 08:34:49,672 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-21 08:34:49,673 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-21 08:34:49,673 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-21 08:34:49,673 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-21 08:34:49,674 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-21 08:34:49,674 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-21 08:34:49,674 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-21 08:34:49,675 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-21 08:34:49,675 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-21 08:34:49,675 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-21 08:34:49,675 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-21 08:34:49,675 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-21 08:34:49,675 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 08:34:49,676 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-21 08:34:49,676 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-21 08:34:49,676 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-21 08:34:49,676 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-21 08:34:49,676 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-21 08:34:49,676 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-21 08:34:49,676 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-21 08:34:49,677 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-21 08:34:49,677 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-21 08:34:49,677 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-21 08:34:49,677 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-21 08:34:49,677 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-21 08:34:49,677 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-21 08:34:49,678 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-21 08:34:49,678 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 08:34:49,678 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-21 08:34:49,678 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-21 08:34:49,678 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-21 08:34:49,678 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-21 08:34:49,678 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-21 08:34:49,679 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-21 08:34:49,679 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-21 08:34:49,679 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-21 08:34:49,680 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-21 08:34:49,680 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-21 08:34:49,680 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-21 08:34:49,680 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-21 08:34:49,680 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-21 08:34:49,680 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-21 08:34:49,680 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-21 08:34:49,681 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-21 08:34:49,681 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-21 08:34:49,681 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-21 08:34:49,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-21 08:34:49,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-21 08:34:49,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-21 08:34:49,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-21 08:34:49,682 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-21 08:34:49,683 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-21 08:34:49,683 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-21 08:34:49,684 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-21 08:34:49,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-21 08:34:49,684 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-21 08:34:49,685 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-21 08:34:49,685 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-21 08:34:49,685 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-21 08:34:49,685 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 08:34:49,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-21 08:34:49,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 08:34:51,219 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 08:34:51,220 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-21 08:34:51,222 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 08:34:51 BoogieIcfgContainer [2019-09-21 08:34:51,222 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 08:34:51,222 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 08:34:51,223 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 08:34:51,223 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 08:34:51,224 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 08:34:51" (1/1) ... [2019-09-21 08:34:51,225 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-21 08:34:51,258 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 08:34:51,258 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 08:34:51,271 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 08:34:51,286 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 08:34:51,288 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 08:35:01,235 WARN L191 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-09-21 08:35:03,107 WARN L191 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-21 08:35:03,263 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-21 08:35:03,415 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-21 08:35:03,544 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-21 08:35:03,572 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 480 for LOIs [2019-09-21 08:35:03,632 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 480 for LOIs [2019-09-21 08:35:03,639 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 480 for LOIs [2019-09-21 08:35:03,875 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 484 [2019-09-21 08:35:04,033 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 484 [2019-09-21 08:35:04,463 WARN L191 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-21 08:35:04,764 WARN L191 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-21 08:35:05,347 WARN L191 SmtUtils]: Spent 501.00 ms on a formula simplification that was a NOOP. DAG size: 520 [2019-09-21 08:35:05,738 WARN L191 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 520 [2019-09-21 08:35:06,248 WARN L191 SmtUtils]: Spent 490.00 ms on a formula simplification that was a NOOP. DAG size: 526 [2019-09-21 08:35:06,485 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 509 [2019-09-21 08:35:06,634 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 509 [2019-09-21 08:35:06,933 WARN L191 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 520 [2019-09-21 08:35:07,149 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 520 [2019-09-21 08:35:07,534 WARN L191 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 548 DAG size of output: 542 [2019-09-21 08:35:07,768 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 542 [2019-09-21 08:35:08,130 WARN L191 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 552 DAG size of output: 549 [2019-09-21 08:35:08,493 WARN L191 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 520 [2019-09-21 08:35:08,684 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 520 [2019-09-21 08:35:08,921 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 520 [2019-09-21 08:35:09,096 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 520 [2019-09-21 08:35:09,253 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 520 [2019-09-21 08:35:09,412 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 520 [2019-09-21 08:35:09,618 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 520 [2019-09-21 08:35:09,782 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 520 [2019-09-21 08:35:10,088 WARN L191 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 545 [2019-09-21 08:35:10,256 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 545 [2019-09-21 08:35:10,617 WARN L191 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 555 DAG size of output: 552 [2019-09-21 08:35:11,072 WARN L191 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 545 [2019-09-21 08:35:11,252 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 545 [2019-09-21 08:35:11,572 WARN L191 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 555 DAG size of output: 552 [2019-09-21 08:35:12,152 WARN L191 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 545 [2019-09-21 08:35:12,328 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 545 [2019-09-21 08:35:12,607 WARN L191 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 555 DAG size of output: 552 [2019-09-21 08:35:13,264 WARN L191 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 548 [2019-09-21 08:35:13,590 WARN L191 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 548 DAG size of output: 545 [2019-09-21 08:35:14,152 WARN L191 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 555 DAG size of output: 552 [2019-09-21 08:35:14,467 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 517 DAG size of output: 514 [2019-09-21 08:35:15,125 WARN L191 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 545 [2019-09-21 08:35:15,399 WARN L191 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 545 [2019-09-21 08:35:15,761 WARN L191 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 555 DAG size of output: 552 [2019-09-21 08:35:16,083 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 545 [2019-09-21 08:35:16,256 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 545 [2019-09-21 08:35:16,520 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 555 DAG size of output: 552 [2019-09-21 08:35:16,792 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 545 [2019-09-21 08:35:16,963 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 545 [2019-09-21 08:35:17,251 WARN L191 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 555 DAG size of output: 552 [2019-09-21 08:35:17,467 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 518 DAG size of output: 516 [2019-09-21 08:35:17,757 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 545 DAG size of output: 544 [2019-09-21 08:35:17,937 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 544 DAG size of output: 541 [2019-09-21 08:35:18,196 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 548 [2019-09-21 08:35:18,318 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 509 [2019-09-21 08:35:18,657 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 530 DAG size of output: 527 [2019-09-21 08:35:18,939 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 553 DAG size of output: 552 [2019-09-21 08:35:19,133 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 552 DAG size of output: 549 [2019-09-21 08:35:19,393 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 558 [2019-09-21 08:35:19,395 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 25 for LOIs [2019-09-21 08:35:19,456 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 3 for LOIs [2019-09-21 08:35:19,466 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 12 for LOIs [2019-09-21 08:35:19,471 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 22 for LOIs [2019-09-21 08:35:19,473 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-21 08:35:19,474 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-21 08:35:19,476 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 822#(and (<= ~waterLevel~0 2147483647) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (<= 0 (+ ~pumpRunning~0 2147483648)) (= 0 ~waterLevel~0) (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0)) (not (= ~pumpRunning~0 0))) [2019-09-21 08:35:19,491 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-21 08:35:19,491 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-21 08:35:19,498 INFO L168 Benchmark]: Toolchain (without parser) took 30662.34 ms. Allocated memory was 132.1 MB in the beginning and 965.2 MB in the end (delta: 833.1 MB). Free memory was 87.1 MB in the beginning and 134.3 MB in the end (delta: -47.2 MB). Peak memory consumption was 785.9 MB. Max. memory is 7.1 GB. [2019-09-21 08:35:19,500 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 132.1 MB. Free memory was 106.2 MB in the beginning and 106.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-21 08:35:19,503 INFO L168 Benchmark]: CACSL2BoogieTranslator took 646.32 ms. Allocated memory was 132.1 MB in the beginning and 198.7 MB in the end (delta: 66.6 MB). Free memory was 86.8 MB in the beginning and 164.1 MB in the end (delta: -77.2 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. [2019-09-21 08:35:19,509 INFO L168 Benchmark]: Boogie Preprocessor took 106.27 ms. Allocated memory is still 198.7 MB. Free memory was 164.1 MB in the beginning and 160.2 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2019-09-21 08:35:19,512 INFO L168 Benchmark]: RCFGBuilder took 1637.23 ms. Allocated memory was 198.7 MB in the beginning and 221.8 MB in the end (delta: 23.1 MB). Free memory was 160.2 MB in the beginning and 151.4 MB in the end (delta: 8.8 MB). Peak memory consumption was 92.1 MB. Max. memory is 7.1 GB. [2019-09-21 08:35:19,512 INFO L168 Benchmark]: Sifa took 28268.94 ms. Allocated memory was 221.8 MB in the beginning and 965.2 MB in the end (delta: 743.4 MB). Free memory was 151.4 MB in the beginning and 134.3 MB in the end (delta: 17.1 MB). Peak memory consumption was 760.5 MB. Max. memory is 7.1 GB. [2019-09-21 08:35:19,520 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 132.1 MB. Free memory was 106.2 MB in the beginning and 106.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 646.32 ms. Allocated memory was 132.1 MB in the beginning and 198.7 MB in the end (delta: 66.6 MB). Free memory was 86.8 MB in the beginning and 164.1 MB in the end (delta: -77.2 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 106.27 ms. Allocated memory is still 198.7 MB. Free memory was 164.1 MB in the beginning and 160.2 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1637.23 ms. Allocated memory was 198.7 MB in the beginning and 221.8 MB in the end (delta: 23.1 MB). Free memory was 160.2 MB in the beginning and 151.4 MB in the end (delta: 8.8 MB). Peak memory consumption was 92.1 MB. Max. memory is 7.1 GB. * Sifa took 28268.94 ms. Allocated memory was 221.8 MB in the beginning and 965.2 MB in the end (delta: 743.4 MB). Free memory was 151.4 MB in the beginning and 134.3 MB in the end (delta: 17.1 MB). Peak memory consumption was 760.5 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]: 28218, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 422, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 276, TOOLS_POST_TIME[ms]: 12116, TOOLS_POST_CALL_APPLICATIONS: 116, TOOLS_POST_CALL_TIME[ms]: 436, TOOLS_POST_RETURN_APPLICATIONS: 107, TOOLS_POST_RETURN_TIME[ms]: 308, TOOLS_QUANTIFIERELIM_APPLICATIONS: 499, TOOLS_QUANTIFIERELIM_TIME[ms]: 12639, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 11882, FLUID_QUERY_TIME[ms]: 19, FLUID_QUERIES: 438, FLUID_YES_ANSWERS: 1, DOMAIN_JOIN_APPLICATIONS: 116, DOMAIN_JOIN_TIME[ms]: 14338, DOMAIN_ALPHA_APPLICATIONS: 1, DOMAIN_ALPHA_TIME[ms]: 7, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 318, DOMAIN_ISSUBSETEQ_APPLICATIONS: 16, DOMAIN_ISSUBSETEQ_TIME[ms]: 76, DOMAIN_ISBOTTOM_APPLICATIONS: 74, DOMAIN_ISBOTTOM_TIME[ms]: 391, LOOP_SUMMARIZER_APPLICATIONS: 12, LOOP_SUMMARIZER_CACHE_MISSES: 12, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 8299, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 8298, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 16, CALL_SUMMARIZER_APPLICATIONS: 107, CALL_SUMMARIZER_CACHE_MISSES: 19, CALL_SUMMARIZER_OVERALL_TIME[ms]: 12282, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12281, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 8, REGEX_TO_DAG_TIME[ms]: 8, DAG_COMPRESSION_TIME[ms]: 47, DAG_COMPRESSION_PROCESSED_NODES: 514, DAG_COMPRESSION_RETAINED_NODES: 281 - UnprovableResult [Line: 838]: 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 822#(and (<= ~waterLevel~0 2147483647) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (<= 0 (+ ~pumpRunning~0 2147483648)) (= 0 ~waterLevel~0) (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0)) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...