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_spec1_product18.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 15:47:41,755 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 15:47:41,757 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 15:47:41,769 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 15:47:41,769 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 15:47:41,770 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 15:47:41,771 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 15:47:41,773 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 15:47:41,775 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 15:47:41,776 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 15:47:41,777 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 15:47:41,778 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 15:47:41,779 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 15:47:41,779 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 15:47:41,780 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 15:47:41,781 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 15:47:41,782 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 15:47:41,783 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 15:47:41,785 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 15:47:41,787 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 15:47:41,789 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 15:47:41,790 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 15:47:41,792 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 15:47:41,792 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 15:47:41,795 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 15:47:41,795 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 15:47:41,796 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 15:47:41,797 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 15:47:41,797 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 15:47:41,798 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 15:47:41,799 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 15:47:41,799 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 15:47:41,800 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 15:47:41,801 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 15:47:41,802 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 15:47:41,802 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 15:47:41,803 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 15:47:41,803 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 15:47:41,803 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 15:47:41,804 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 15:47:41,805 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 15:47:41,806 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 [2019-09-20 15:47:41,831 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 15:47:41,831 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 15:47:41,834 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 15:47:41,835 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 15:47:41,835 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 15:47:41,835 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 15:47:41,835 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 15:47:41,836 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 15:47:41,836 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 15:47:41,836 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 15:47:41,837 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 15:47:41,837 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 15:47:41,838 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 15:47:41,838 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 15:47:41,838 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 15:47:41,839 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 15:47:41,839 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 15:47:41,839 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 15:47:41,839 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 15:47:41,839 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 15:47:41,840 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 15:47:41,840 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:47:41,841 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 15:47:41,841 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 15:47:41,841 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 15:47:41,841 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 15:47:41,842 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 15:47:41,842 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 15:47:41,842 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 [2019-09-20 15:47:41,901 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 15:47:41,919 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 15:47:41,925 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 15:47:41,927 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 15:47:41,927 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 15:47:41,928 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product18.cil.c [2019-09-20 15:47:41,996 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d2302784/fc67e2211e5f48af81f47d184e411ed6/FLAG5d963e2be [2019-09-20 15:47:42,491 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 15:47:42,491 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product18.cil.c [2019-09-20 15:47:42,505 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d2302784/fc67e2211e5f48af81f47d184e411ed6/FLAG5d963e2be [2019-09-20 15:47:42,836 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d2302784/fc67e2211e5f48af81f47d184e411ed6 [2019-09-20 15:47:42,845 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 15:47:42,846 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 15:47:42,847 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 15:47:42,847 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 15:47:42,851 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 15:47:42,852 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:47:42" (1/1) ... [2019-09-20 15:47:42,855 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f315885 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:47:42, skipping insertion in model container [2019-09-20 15:47:42,855 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:47:42" (1/1) ... [2019-09-20 15:47:42,864 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 15:47:42,941 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 15:47:43,398 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:47:43,424 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 15:47:43,508 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:47:43,548 INFO L192 MainTranslator]: Completed translation [2019-09-20 15:47:43,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:47:43 WrapperNode [2019-09-20 15:47:43,549 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 15:47:43,550 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 15:47:43,550 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 15:47:43,550 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 15:47:43,562 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:47:43" (1/1) ... [2019-09-20 15:47:43,562 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:47:43" (1/1) ... [2019-09-20 15:47:43,580 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:47:43" (1/1) ... [2019-09-20 15:47:43,581 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:47:43" (1/1) ... [2019-09-20 15:47:43,614 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:47:43" (1/1) ... [2019-09-20 15:47:43,628 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:47:43" (1/1) ... [2019-09-20 15:47:43,640 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:47:43" (1/1) ... [2019-09-20 15:47:43,648 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 15:47:43,649 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 15:47:43,649 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 15:47:43,649 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 15:47:43,652 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:47:43" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:47:43,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 15:47:43,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 15:47:43,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 15:47:43,736 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-09-20 15:47:43,736 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 15:47:43,736 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 15:47:43,737 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 15:47:43,737 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 15:47:43,737 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 15:47:43,737 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 15:47:43,737 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 15:47:43,738 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 15:47:43,738 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 15:47:43,738 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 15:47:43,738 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 15:47:43,738 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 15:47:43,739 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 15:47:43,739 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 15:47:43,739 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 15:47:43,739 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 15:47:43,740 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 15:47:43,740 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-20 15:47:43,740 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-20 15:47:43,740 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 15:47:43,740 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 15:47:43,741 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 15:47:43,741 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 15:47:43,741 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 15:47:43,741 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 15:47:43,741 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 15:47:43,742 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 15:47:43,742 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 15:47:43,742 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 15:47:43,742 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 15:47:43,742 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 15:47:43,742 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 15:47:43,743 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 15:47:43,743 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-20 15:47:43,743 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 15:47:43,743 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 15:47:43,744 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 15:47:43,744 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 15:47:43,744 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 15:47:43,744 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 15:47:43,744 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-09-20 15:47:43,744 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 15:47:43,745 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 15:47:43,745 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 15:47:43,745 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 15:47:43,745 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 15:47:43,745 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 15:47:43,745 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 15:47:43,745 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 15:47:43,746 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 15:47:43,746 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 15:47:43,746 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 15:47:43,746 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 15:47:43,746 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 15:47:43,746 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 15:47:43,747 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 15:47:43,747 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 15:47:43,747 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-20 15:47:43,747 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 15:47:43,747 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 15:47:43,747 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-20 15:47:43,748 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 15:47:43,748 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 15:47:43,748 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-20 15:47:43,748 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 15:47:43,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 15:47:43,748 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 15:47:43,748 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 15:47:43,749 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 15:47:43,749 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 15:47:43,749 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 15:47:43,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 15:47:43,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 15:47:43,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 15:47:43,750 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 15:47:43,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 15:47:43,750 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 15:47:43,750 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 15:47:43,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 15:47:43,750 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 15:47:43,751 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 15:47:43,751 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 15:47:43,751 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 15:47:43,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 15:47:43,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 15:47:43,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 15:47:45,430 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 15:47:45,430 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 15:47:45,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:47:45 BoogieIcfgContainer [2019-09-20 15:47:45,432 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 15:47:45,432 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 15:47:45,432 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 15:47:45,433 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 15:47:45,434 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:47:45" (1/1) ... [2019-09-20 15:47:45,434 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 [2019-09-20 15:47:45,460 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 15:47:45,460 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 15:47:45,477 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 15:47:45,488 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 15:47:45,490 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 15:47:55,555 WARN L191 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-09-20 15:47:57,291 WARN L191 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-20 15:47:57,443 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-20 15:47:57,609 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-20 15:47:57,724 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-20 15:47:57,747 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 480 for LOIs [2019-09-20 15:47:57,821 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 480 for LOIs [2019-09-20 15:47:57,826 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 480 for LOIs [2019-09-20 15:47:58,469 WARN L191 SmtUtils]: Spent 487.00 ms on a formula simplification that was a NOOP. DAG size: 514 [2019-09-20 15:47:58,795 WARN L191 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 514 [2019-09-20 15:47:59,115 WARN L191 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 514 [2019-09-20 15:47:59,408 WARN L191 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 514 [2019-09-20 15:47:59,793 WARN L191 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-20 15:48:00,084 WARN L191 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 516 [2019-09-20 15:48:00,230 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 526 [2019-09-20 15:48:00,647 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 523 [2019-09-20 15:48:00,814 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 523 [2019-09-20 15:48:00,969 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 523 [2019-09-20 15:48:01,074 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 523 [2019-09-20 15:48:01,430 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 527 [2019-09-20 15:48:01,646 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 527 [2019-09-20 15:48:02,541 WARN L191 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 538 DAG size of output: 536 [2019-09-20 15:48:02,838 WARN L191 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 536 [2019-09-20 15:48:03,069 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 538 DAG size of output: 536 [2019-09-20 15:48:03,250 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 536 [2019-09-20 15:48:03,615 WARN L191 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 544 DAG size of output: 542 [2019-09-20 15:48:03,847 WARN L191 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 544 DAG size of output: 542 [2019-09-20 15:48:04,332 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 541 DAG size of output: 535 [2019-09-20 15:48:04,540 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 535 [2019-09-20 15:48:04,736 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 541 DAG size of output: 535 [2019-09-20 15:48:04,921 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 535 [2019-09-20 15:48:05,172 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 541 [2019-09-20 15:48:05,407 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 541 [2019-09-20 15:48:05,507 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 7 for LOIs [2019-09-20 15:48:05,537 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 7 for LOIs [2019-09-20 15:48:05,548 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification1_spec__1 with input of size 1 for LOIs [2019-09-20 15:48:05,551 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 16 for LOIs [2019-09-20 15:48:05,552 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 15:48:05,553 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 15:48:05,554 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 571#(and (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (not (= ~pumpRunning~0 0))) [2019-09-20 15:48:05,568 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 15:48:05,568 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 15:48:05,570 INFO L168 Benchmark]: Toolchain (without parser) took 22723.71 ms. Allocated memory was 137.4 MB in the beginning and 759.7 MB in the end (delta: 622.3 MB). Free memory was 83.6 MB in the beginning and 530.7 MB in the end (delta: -447.1 MB). Peak memory consumption was 175.3 MB. Max. memory is 7.1 GB. [2019-09-20 15:48:05,571 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 137.4 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. [2019-09-20 15:48:05,572 INFO L168 Benchmark]: CACSL2BoogieTranslator took 702.62 ms. Allocated memory was 137.4 MB in the beginning and 198.7 MB in the end (delta: 61.3 MB). Free memory was 83.4 MB in the beginning and 165.2 MB in the end (delta: -81.8 MB). Peak memory consumption was 22.6 MB. Max. memory is 7.1 GB. [2019-09-20 15:48:05,573 INFO L168 Benchmark]: Boogie Preprocessor took 98.37 ms. Allocated memory is still 198.7 MB. Free memory was 165.2 MB in the beginning and 160.7 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2019-09-20 15:48:05,575 INFO L168 Benchmark]: RCFGBuilder took 1783.20 ms. Allocated memory was 198.7 MB in the beginning and 217.6 MB in the end (delta: 18.9 MB). Free memory was 160.7 MB in the beginning and 146.7 MB in the end (delta: 14.0 MB). Peak memory consumption was 97.2 MB. Max. memory is 7.1 GB. [2019-09-20 15:48:05,576 INFO L168 Benchmark]: Sifa took 20135.93 ms. Allocated memory was 217.6 MB in the beginning and 759.7 MB in the end (delta: 542.1 MB). Free memory was 146.7 MB in the beginning and 530.7 MB in the end (delta: -384.0 MB). Peak memory consumption was 158.1 MB. Max. memory is 7.1 GB. [2019-09-20 15:48:05,580 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 137.4 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 702.62 ms. Allocated memory was 137.4 MB in the beginning and 198.7 MB in the end (delta: 61.3 MB). Free memory was 83.4 MB in the beginning and 165.2 MB in the end (delta: -81.8 MB). Peak memory consumption was 22.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 98.37 ms. Allocated memory is still 198.7 MB. Free memory was 165.2 MB in the beginning and 160.7 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1783.20 ms. Allocated memory was 198.7 MB in the beginning and 217.6 MB in the end (delta: 18.9 MB). Free memory was 160.7 MB in the beginning and 146.7 MB in the end (delta: 14.0 MB). Peak memory consumption was 97.2 MB. Max. memory is 7.1 GB. * Sifa took 20135.93 ms. Allocated memory was 217.6 MB in the beginning and 759.7 MB in the end (delta: 542.1 MB). Free memory was 146.7 MB in the beginning and 530.7 MB in the end (delta: -384.0 MB). Peak memory consumption was 158.1 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]: 20095, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 253, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 171, TOOLS_POST_TIME[ms]: 12028, TOOLS_POST_CALL_APPLICATIONS: 68, TOOLS_POST_CALL_TIME[ms]: 172, TOOLS_POST_RETURN_APPLICATIONS: 59, TOOLS_POST_RETURN_TIME[ms]: 118, TOOLS_QUANTIFIERELIM_APPLICATIONS: 298, TOOLS_QUANTIFIERELIM_TIME[ms]: 12192, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 11892, FLUID_QUERY_TIME[ms]: 14, FLUID_QUERIES: 260, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 94, DOMAIN_JOIN_TIME[ms]: 7233, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 25, DOMAIN_ISSUBSETEQ_APPLICATIONS: 7, DOMAIN_ISSUBSETEQ_TIME[ms]: 18, DOMAIN_ISBOTTOM_APPLICATIONS: 61, DOMAIN_ISBOTTOM_TIME[ms]: 332, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 3472, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 3471, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 7, CALL_SUMMARIZER_APPLICATIONS: 59, CALL_SUMMARIZER_CACHE_MISSES: 21, CALL_SUMMARIZER_OVERALL_TIME[ms]: 12327, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12326, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 35, DAG_COMPRESSION_PROCESSED_NODES: 498, DAG_COMPRESSION_RETAINED_NODES: 204 - UnprovableResult [Line: 811]: 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 571#(and (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...