java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product08.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-14 02:53:39,693 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 02:53:39,701 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 02:53:39,719 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 02:53:39,719 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 02:53:39,721 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 02:53:39,723 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 02:53:39,733 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 02:53:39,735 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 02:53:39,736 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 02:53:39,737 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 02:53:39,739 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 02:53:39,739 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 02:53:39,742 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 02:53:39,745 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 02:53:39,747 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 02:53:39,748 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 02:53:39,751 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 02:53:39,752 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 02:53:39,758 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 02:53:39,762 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 02:53:39,765 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 02:53:39,767 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 02:53:39,768 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 02:53:39,770 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 02:53:39,771 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 02:53:39,771 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 02:53:39,772 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 02:53:39,774 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 02:53:39,775 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 02:53:39,775 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 02:53:39,776 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 02:53:39,777 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 02:53:39,778 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 02:53:39,779 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 02:53:39,779 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 02:53:39,780 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 02:53:39,780 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 02:53:39,780 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 02:53:39,781 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 02:53:39,783 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 02:53:39,783 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 [2019-10-14 02:53:39,804 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 02:53:39,804 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 02:53:39,805 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 02:53:39,810 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 02:53:39,811 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 02:53:39,811 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 02:53:39,811 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 02:53:39,811 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 02:53:39,811 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 02:53:39,812 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 02:53:39,812 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 02:53:39,812 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 02:53:39,812 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 02:53:39,812 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 02:53:39,813 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 02:53:39,813 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 02:53:39,813 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 02:53:39,813 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 02:53:39,814 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 02:53:39,814 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 02:53:39,814 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 02:53:39,814 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 02:53:39,814 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 02:53:39,815 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 02:53:39,815 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 02:53:39,815 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 02:53:39,815 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 02:53:39,815 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 02:53:39,816 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-14 02:53:40,096 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 02:53:40,111 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 02:53:40,115 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 02:53:40,116 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 02:53:40,117 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 02:53:40,118 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product08.cil.c [2019-10-14 02:53:40,191 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/955cb3e9b/876c5fbe85ff4ffb89de846a5f41018f/FLAG789fd9486 [2019-10-14 02:53:40,791 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 02:53:40,791 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product08.cil.c [2019-10-14 02:53:40,805 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/955cb3e9b/876c5fbe85ff4ffb89de846a5f41018f/FLAG789fd9486 [2019-10-14 02:53:41,071 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/955cb3e9b/876c5fbe85ff4ffb89de846a5f41018f [2019-10-14 02:53:41,079 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 02:53:41,081 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 02:53:41,082 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 02:53:41,082 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 02:53:41,086 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 02:53:41,087 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 02:53:41" (1/1) ... [2019-10-14 02:53:41,090 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7189696a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:53:41, skipping insertion in model container [2019-10-14 02:53:41,091 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 02:53:41" (1/1) ... [2019-10-14 02:53:41,098 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 02:53:41,159 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 02:53:41,626 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 02:53:41,643 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 02:53:41,717 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 02:53:41,759 INFO L192 MainTranslator]: Completed translation [2019-10-14 02:53:41,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:53:41 WrapperNode [2019-10-14 02:53:41,760 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 02:53:41,761 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 02:53:41,761 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 02:53:41,761 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 02:53:41,774 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:53:41" (1/1) ... [2019-10-14 02:53:41,774 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:53:41" (1/1) ... [2019-10-14 02:53:41,795 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:53:41" (1/1) ... [2019-10-14 02:53:41,796 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:53:41" (1/1) ... [2019-10-14 02:53:41,824 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:53:41" (1/1) ... [2019-10-14 02:53:41,835 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:53:41" (1/1) ... [2019-10-14 02:53:41,840 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:53:41" (1/1) ... [2019-10-14 02:53:41,848 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 02:53:41,849 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 02:53:41,849 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 02:53:41,849 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 02:53:41,850 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:53:41" (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 [2019-10-14 02:53:41,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 02:53:41,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 02:53:41,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-14 02:53:41,922 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-14 02:53:41,922 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-14 02:53:41,924 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-14 02:53:41,924 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-14 02:53:41,925 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-14 02:53:41,926 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-14 02:53:41,926 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-14 02:53:41,926 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-14 02:53:41,926 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-14 02:53:41,928 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-14 02:53:41,928 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-14 02:53:41,928 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-14 02:53:41,928 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-14 02:53:41,931 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-14 02:53:41,931 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-14 02:53:41,931 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 02:53:41,931 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-14 02:53:41,932 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-14 02:53:41,932 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-14 02:53:41,932 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-14 02:53:41,932 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-10-14 02:53:41,932 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-10-14 02:53:41,932 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-10-14 02:53:41,933 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-14 02:53:41,933 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-14 02:53:41,933 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-14 02:53:41,933 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-14 02:53:41,933 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-14 02:53:41,934 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-14 02:53:41,934 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-14 02:53:41,934 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-14 02:53:41,934 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-14 02:53:41,934 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-14 02:53:41,934 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-14 02:53:41,934 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-14 02:53:41,935 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-14 02:53:41,935 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 02:53:41,935 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 02:53:41,935 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-14 02:53:41,935 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-14 02:53:41,935 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-14 02:53:41,936 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-14 02:53:41,936 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-14 02:53:41,936 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-14 02:53:41,937 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-14 02:53:41,937 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-14 02:53:41,937 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-14 02:53:41,937 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-14 02:53:41,937 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-14 02:53:41,937 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-10-14 02:53:41,937 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-10-14 02:53:41,938 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-14 02:53:41,938 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-14 02:53:41,938 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-14 02:53:41,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 02:53:41,938 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-14 02:53:41,939 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-14 02:53:41,939 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-14 02:53:41,939 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-14 02:53:41,940 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-14 02:53:41,940 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-14 02:53:41,940 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-10-14 02:53:41,940 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-14 02:53:41,940 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-14 02:53:41,940 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-14 02:53:41,940 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-14 02:53:41,941 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 02:53:41,941 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-14 02:53:41,941 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-14 02:53:41,941 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-14 02:53:41,942 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-14 02:53:41,942 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-14 02:53:41,942 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-14 02:53:41,943 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-14 02:53:41,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-14 02:53:41,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-14 02:53:41,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 02:53:41,944 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-14 02:53:41,944 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-14 02:53:41,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 02:53:41,945 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-14 02:53:41,945 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-14 02:53:41,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 02:53:41,946 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-14 02:53:41,946 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-14 02:53:41,947 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-14 02:53:41,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 02:53:41,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-14 02:53:41,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 02:53:43,564 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 02:53:43,565 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-14 02:53:43,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 02:53:43 BoogieIcfgContainer [2019-10-14 02:53:43,567 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 02:53:43,567 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-14 02:53:43,567 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-14 02:53:43,568 INFO L275 PluginConnector]: Sifa initialized [2019-10-14 02:53:43,570 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 02:53:43" (1/1) ... [2019-10-14 02:53:43,570 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ 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=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-10-14 02:53:43,602 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-14 02:53:43,606 INFO L169 IcfgInterpreter]: Building call graph [2019-10-14 02:53:43,622 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-14 02:53:43,639 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-14 02:53:43,641 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-14 02:53:55,135 WARN L191 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-10-14 02:53:56,789 WARN L191 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-10-14 02:53:56,938 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-10-14 02:53:57,074 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-10-14 02:53:57,189 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-10-14 02:53:57,446 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-14 02:53:57,473 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 548 for LOIs [2019-10-14 02:53:57,542 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 546 for LOIs [2019-10-14 02:53:57,573 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 546 for LOIs [2019-10-14 02:53:58,357 WARN L191 SmtUtils]: Spent 643.00 ms on a formula simplification that was a NOOP. DAG size: 578 [2019-10-14 02:53:58,950 WARN L191 SmtUtils]: Spent 428.00 ms on a formula simplification that was a NOOP. DAG size: 583 [2019-10-14 02:53:59,407 WARN L191 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 583 [2019-10-14 02:53:59,707 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 611 [2019-10-14 02:54:00,038 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 619 [2019-10-14 02:54:00,331 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 619 [2019-10-14 02:54:00,635 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 614 [2019-10-14 02:54:00,958 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 622 [2019-10-14 02:54:01,222 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 622 [2019-10-14 02:54:01,440 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2019-10-14 02:54:01,569 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2019-10-14 02:54:01,735 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 194 [2019-10-14 02:54:02,388 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 600 [2019-10-14 02:54:02,543 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 600 [2019-10-14 02:54:02,783 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 601 DAG size of output: 601 [2019-10-14 02:54:03,270 WARN L191 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 618 DAG size of output: 618 [2019-10-14 02:54:03,793 WARN L191 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 623 DAG size of output: 623 [2019-10-14 02:54:04,225 WARN L191 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 623 DAG size of output: 623 [2019-10-14 02:54:04,521 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 614 [2019-10-14 02:54:05,023 WARN L191 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 622 [2019-10-14 02:54:05,294 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 622 [2019-10-14 02:54:05,702 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2019-10-14 02:54:05,878 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2019-10-14 02:54:06,020 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2019-10-14 02:54:06,607 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 603 [2019-10-14 02:54:06,761 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 602 [2019-10-14 02:54:07,583 WARN L191 SmtUtils]: Spent 735.00 ms on a formula simplification that was a NOOP. DAG size: 614 [2019-10-14 02:54:08,054 WARN L191 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 614 [2019-10-14 02:54:08,404 WARN L191 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 614 [2019-10-14 02:54:08,802 WARN L191 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 616 [2019-10-14 02:54:09,224 WARN L191 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 616 [2019-10-14 02:54:09,573 WARN L191 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 616 [2019-10-14 02:54:10,317 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-10-14 02:54:10,319 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 144 for LOIs [2019-10-14 02:54:10,985 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 153 for LOIs [2019-10-14 02:54:10,999 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 163 for LOIs [2019-10-14 02:54:11,062 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-14 02:54:11,063 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-14 02:54:11,064 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 771#(and (= |#t~string50.offset| 0) (<= |#t~string58.offset| 0) (= |#t~string55.offset| 0) (= |#t~string49.offset| 0) (<= 0 (+ ~switchedOnBeforeTS~0 2147483648)) (= |#t~string7.offset| 0) (<= 0 |#NULL.base|) (= |#t~string15.offset| 0) (<= 0 |#t~string63.offset|) (<= |#t~string67.offset| 0) (<= ~systemActive~0 1) (<= ~head~0.offset 0) (= |#t~string46.offset| 0) (= |#t~string3.offset| 0) (= |#t~string9.offset| 0) (<= 0 |#t~string67.offset|) (<= 0 |#t~string46.offset|) (<= 0 ~switchedOnBeforeTS~0) (= |#NULL.base| 0) (= |#t~string71.offset| 0) (<= |#t~string57.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 ~head~0.base) (= |#t~string13.offset| 0) (<= 0 |#t~string45.offset|) (<= |#t~string13.offset| 0) (<= |#t~string15.offset| 0) (<= 0 ~methaneLevelCritical~0) (<= ~switchedOnBeforeTS~0 2147483647) (<= ~switchedOnBeforeTS~0 0) (<= 0 (+ ~waterLevel~0 2147483648)) (<= |#t~string11.offset| 0) (<= |#t~string45.offset| 0) (<= |#t~string65.offset| 0) (= |#t~string56.offset| 0) (<= 0 |#t~string9.offset|) (<= 0 |#t~string48.offset|) (= |#t~string57.offset| 0) (= ~switchedOnBeforeTS~0 0) (= |#t~string67.offset| 0) (<= 0 |#t~string15.offset|) (<= 0 |#NULL.offset|) (= ~head~0.base 0) (<= ~cleanupTimeShifts~0 4) (= ~cleanupTimeShifts~0 4) (<= 0 |#t~string47.offset|) (<= 0 |#t~string50.offset|) (<= |#NULL.base| 0) (<= |#t~string63.offset| 0) (<= 0 |#t~string71.offset|) (<= |#t~string46.offset| 0) (<= |#t~string17.offset| 0) (<= 4 ~cleanupTimeShifts~0) (not (= 2 ~waterLevel~0)) (<= 0 |#t~string3.offset|) (= |#t~string69.offset| 0) (= |#NULL.offset| 0) (<= 0 |#t~string57.offset|) (<= ~head~0.base 0) (= |#t~string47.offset| 0) (<= 0 ~head~0.offset) (<= 0 |#t~string17.offset|) (not (= ~pumpRunning~0 0)) (<= ~waterLevel~0 2147483647) (<= |#t~string55.offset| 0) (<= 0 |#t~string11.offset|) (<= |#t~string56.offset| 0) (<= 0 |#t~string59.offset|) (= |#t~string65.offset| 0) (<= 0 |#t~string49.offset|) (<= 0 |#t~string69.offset|) (<= |#NULL.offset| 0) (<= |#t~string7.offset| 0) (<= |#t~string9.offset| 0) (= |#t~string48.offset| 0) (= ~head~0.offset 0) (<= |#t~string71.offset| 0) (= |#t~string63.offset| 0) (<= ~pumpRunning~0 2147483647) (= |#t~string11.offset| 0) (<= |#t~string47.offset| 0) (= |#t~string5.offset| 0) (<= 0 |#t~string65.offset|) (<= 0 |#t~string56.offset|) (<= 0 |#t~string7.offset|) (<= |#t~string59.offset| 0) (= |#t~string54.offset| 0) (<= 0 |#t~string54.offset|) (= |#t~string58.offset| 0) (<= |#t~string69.offset| 0) (= |#t~string59.offset| 0) (<= 0 |#t~string13.offset|) (<= 0 |#t~string5.offset|) (<= 0 ~systemActive~0) (<= |#t~string3.offset| 0) (<= |#t~string50.offset| 0) (<= |#t~string5.offset| 0) (<= ~methaneLevelCritical~0 1) (<= |#t~string48.offset| 0) (<= |#t~string54.offset| 0) (<= |#t~string49.offset| 0) (= |#t~string45.offset| 0) (<= 0 |#t~string55.offset|) (= |#t~string17.offset| 0) (<= 0 |#t~string58.offset|)) [2019-10-14 02:54:11,076 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-14 02:54:11,076 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-14 02:54:11,078 INFO L168 Benchmark]: Toolchain (without parser) took 29997.17 ms. Allocated memory was 138.4 MB in the beginning and 774.4 MB in the end (delta: 636.0 MB). Free memory was 101.1 MB in the beginning and 417.1 MB in the end (delta: -316.1 MB). Peak memory consumption was 319.9 MB. Max. memory is 7.1 GB. [2019-10-14 02:54:11,079 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 138.4 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-14 02:54:11,080 INFO L168 Benchmark]: CACSL2BoogieTranslator took 678.32 ms. Allocated memory was 138.4 MB in the beginning and 203.4 MB in the end (delta: 65.0 MB). Free memory was 100.9 MB in the beginning and 172.7 MB in the end (delta: -71.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 7.1 GB. [2019-10-14 02:54:11,080 INFO L168 Benchmark]: Boogie Preprocessor took 87.76 ms. Allocated memory is still 203.4 MB. Free memory was 172.7 MB in the beginning and 168.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-10-14 02:54:11,081 INFO L168 Benchmark]: RCFGBuilder took 1718.08 ms. Allocated memory was 203.4 MB in the beginning and 235.9 MB in the end (delta: 32.5 MB). Free memory was 168.7 MB in the beginning and 157.5 MB in the end (delta: 11.2 MB). Peak memory consumption was 85.3 MB. Max. memory is 7.1 GB. [2019-10-14 02:54:11,082 INFO L168 Benchmark]: Sifa took 27509.27 ms. Allocated memory was 235.9 MB in the beginning and 774.4 MB in the end (delta: 538.4 MB). Free memory was 157.5 MB in the beginning and 417.1 MB in the end (delta: -259.7 MB). Peak memory consumption was 278.8 MB. Max. memory is 7.1 GB. [2019-10-14 02:54:11,087 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 138.4 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 678.32 ms. Allocated memory was 138.4 MB in the beginning and 203.4 MB in the end (delta: 65.0 MB). Free memory was 100.9 MB in the beginning and 172.7 MB in the end (delta: -71.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 87.76 ms. Allocated memory is still 203.4 MB. Free memory was 172.7 MB in the beginning and 168.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1718.08 ms. Allocated memory was 203.4 MB in the beginning and 235.9 MB in the end (delta: 32.5 MB). Free memory was 168.7 MB in the beginning and 157.5 MB in the end (delta: 11.2 MB). Peak memory consumption was 85.3 MB. Max. memory is 7.1 GB. * Sifa took 27509.27 ms. Allocated memory was 235.9 MB in the beginning and 774.4 MB in the end (delta: 538.4 MB). Free memory was 157.5 MB in the beginning and 417.1 MB in the end (delta: -259.7 MB). Peak memory consumption was 278.8 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]: 27462, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 195, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 134, TOOLS_POST_TIME[ms]: 13342, TOOLS_POST_CALL_APPLICATIONS: 57, TOOLS_POST_CALL_TIME[ms]: 207, TOOLS_POST_RETURN_APPLICATIONS: 50, TOOLS_POST_RETURN_TIME[ms]: 108, TOOLS_QUANTIFIERELIM_APPLICATIONS: 240, TOOLS_QUANTIFIERELIM_TIME[ms]: 13509, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 13190, FLUID_QUERY_TIME[ms]: 15, FLUID_QUERIES: 197, FLUID_YES_ANSWERS: 1, DOMAIN_JOIN_APPLICATIONS: 75, DOMAIN_JOIN_TIME[ms]: 12435, DOMAIN_ALPHA_APPLICATIONS: 1, DOMAIN_ALPHA_TIME[ms]: 204, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 609, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 21, DOMAIN_ISBOTTOM_APPLICATIONS: 45, DOMAIN_ISBOTTOM_TIME[ms]: 341, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 8786, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 8785, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 50, CALL_SUMMARIZER_CACHE_MISSES: 23, CALL_SUMMARIZER_OVERALL_TIME[ms]: 13899, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 13898, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 10, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 7, DAG_COMPRESSION_TIME[ms]: 41, DAG_COMPRESSION_PROCESSED_NODES: 487, DAG_COMPRESSION_RETAINED_NODES: 202 - UnprovableResult [Line: 840]: 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 771#(and (= |#t~string50.offset| 0) (<= |#t~string58.offset| 0) (= |#t~string55.offset| 0) (= |#t~string49.offset| 0) (<= 0 (+ ~switchedOnBeforeTS~0 2147483648)) (= |#t~string7.offset| 0) (<= 0 |#NULL.base|) (= |#t~string15.offset| 0) (<= 0 |#t~string63.offset|) (<= |#t~string67.offset| 0) (<= ~systemActive~0 1) (<= ~head~0.offset 0) (= |#t~string46.offset| 0) (= |#t~string3.offset| 0) (= |#t~string9.offset| 0) (<= 0 |#t~string67.offset|) (<= 0 |#t~string46.offset|) (<= 0 ~switchedOnBeforeTS~0) (= |#NULL.base| 0) (= |#t~string71.offset| 0) (<= |#t~string57.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 ~head~0.base) (= |#t~string13.offset| 0) (<= 0 |#t~string45.offset|) (<= |#t~string13.offset| 0) (<= |#t~string15.offset| 0) (<= 0 ~methaneLevelCritical~0) (<= ~switchedOnBeforeTS~0 2147483647) (<= ~switchedOnBeforeTS~0 0) (<= 0 (+ ~waterLevel~0 2147483648)) (<= |#t~string11.offset| 0) (<= |#t~string45.offset| 0) (<= |#t~string65.offset| 0) (= |#t~string56.offset| 0) (<= 0 |#t~string9.offset|) (<= 0 |#t~string48.offset|) (= |#t~string57.offset| 0) (= ~switchedOnBeforeTS~0 0) (= |#t~string67.offset| 0) (<= 0 |#t~string15.offset|) (<= 0 |#NULL.offset|) (= ~head~0.base 0) (<= ~cleanupTimeShifts~0 4) (= ~cleanupTimeShifts~0 4) (<= 0 |#t~string47.offset|) (<= 0 |#t~string50.offset|) (<= |#NULL.base| 0) (<= |#t~string63.offset| 0) (<= 0 |#t~string71.offset|) (<= |#t~string46.offset| 0) (<= |#t~string17.offset| 0) (<= 4 ~cleanupTimeShifts~0) (not (= 2 ~waterLevel~0)) (<= 0 |#t~string3.offset|) (= |#t~string69.offset| 0) (= |#NULL.offset| 0) (<= 0 |#t~string57.offset|) (<= ~head~0.base 0) (= |#t~string47.offset| 0) (<= 0 ~head~0.offset) (<= 0 |#t~string17.offset|) (not (= ~pumpRunning~0 0)) (<= ~waterLevel~0 2147483647) (<= |#t~string55.offset| 0) (<= 0 |#t~string11.offset|) (<= |#t~string56.offset| 0) (<= 0 |#t~string59.offset|) (= |#t~string65.offset| 0) (<= 0 |#t~string49.offset|) (<= 0 |#t~string69.offset|) (<= |#NULL.offset| 0) (<= |#t~string7.offset| 0) (<= |#t~string9.offset| 0) (= |#t~string48.offset| 0) (= ~head~0.offset 0) (<= |#t~string71.offset| 0) (= |#t~string63.offset| 0) (<= ~pumpRunning~0 2147483647) (= |#t~string11.offset| 0) (<= |#t~string47.offset| 0) (= |#t~string5.offset| 0) (<= 0 |#t~string65.offset|) (<= 0 |#t~string56.offset|) (<= 0 |#t~string7.offset|) (<= |#t~string59.offset| 0) (= |#t~string54.offset| 0) (<= 0 |#t~string54.offset|) (= |#t~string58.offset| 0) (<= |#t~string69.offset| 0) (= |#t~string59.offset| 0) (<= 0 |#t~string13.offset|) (<= 0 |#t~string5.offset|) (<= 0 ~systemActive~0) (<= |#t~string3.offset| 0) (<= |#t~string50.offset| 0) (<= |#t~string5.offset| 0) (<= ~methaneLevelCritical~0 1) (<= |#t~string48.offset| 0) (<= |#t~string54.offset| 0) (<= |#t~string49.offset| 0) (= |#t~string45.offset| 0) (<= 0 |#t~string55.offset|) (= |#t~string17.offset| 0) (<= 0 |#t~string58.offset|)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...