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_spec4_product06.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-14 02:51:45,723 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 02:51:45,726 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 02:51:45,744 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 02:51:45,745 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 02:51:45,747 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 02:51:45,749 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 02:51:45,758 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 02:51:45,761 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 02:51:45,762 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 02:51:45,763 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 02:51:45,764 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 02:51:45,764 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 02:51:45,766 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 02:51:45,767 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 02:51:45,769 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 02:51:45,771 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 02:51:45,773 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 02:51:45,774 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 02:51:45,779 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 02:51:45,784 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 02:51:45,787 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 02:51:45,789 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 02:51:45,790 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 02:51:45,792 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 02:51:45,792 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 02:51:45,793 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 02:51:45,794 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 02:51:45,796 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 02:51:45,797 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 02:51:45,797 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 02:51:45,799 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 02:51:45,800 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 02:51:45,800 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 02:51:45,803 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 02:51:45,803 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 02:51:45,804 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 02:51:45,804 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 02:51:45,804 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 02:51:45,805 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 02:51:45,806 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 02:51:45,807 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 02:51:45,827 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 02:51:45,827 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 02:51:45,829 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 02:51:45,829 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 02:51:45,829 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 02:51:45,829 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 02:51:45,829 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 02:51:45,830 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 02:51:45,830 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 02:51:45,830 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 02:51:45,830 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 02:51:45,830 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 02:51:45,831 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 02:51:45,831 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 02:51:45,831 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 02:51:45,831 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 02:51:45,831 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 02:51:45,832 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 02:51:45,832 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 02:51:45,832 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 02:51:45,832 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 02:51:45,832 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 02:51:45,833 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 02:51:45,833 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 02:51:45,833 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 02:51:45,833 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 02:51:45,833 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 02:51:45,833 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 02:51:45,834 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 02:51:46,110 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 02:51:46,121 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 02:51:46,125 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 02:51:46,126 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 02:51:46,126 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 02:51:46,127 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product06.cil.c [2019-10-14 02:51:46,197 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e72476615/a24028158233420e94c6bbae98dd2ad6/FLAG29bbc5eb0 [2019-10-14 02:51:46,758 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 02:51:46,759 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product06.cil.c [2019-10-14 02:51:46,776 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e72476615/a24028158233420e94c6bbae98dd2ad6/FLAG29bbc5eb0 [2019-10-14 02:51:46,979 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e72476615/a24028158233420e94c6bbae98dd2ad6 [2019-10-14 02:51:46,989 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 02:51:46,991 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 02:51:46,992 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 02:51:46,992 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 02:51:46,995 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 02:51:46,996 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 02:51:46" (1/1) ... [2019-10-14 02:51:46,999 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fbb07b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:51:46, skipping insertion in model container [2019-10-14 02:51:46,999 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 02:51:46" (1/1) ... [2019-10-14 02:51:47,005 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 02:51:47,056 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 02:51:47,485 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 02:51:47,499 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 02:51:47,576 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 02:51:47,610 INFO L192 MainTranslator]: Completed translation [2019-10-14 02:51:47,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:51:47 WrapperNode [2019-10-14 02:51:47,611 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 02:51:47,612 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 02:51:47,612 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 02:51:47,612 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 02:51:47,626 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:51:47" (1/1) ... [2019-10-14 02:51:47,627 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:51:47" (1/1) ... [2019-10-14 02:51:47,650 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:51:47" (1/1) ... [2019-10-14 02:51:47,651 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:51:47" (1/1) ... [2019-10-14 02:51:47,682 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:51:47" (1/1) ... [2019-10-14 02:51:47,696 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:51:47" (1/1) ... [2019-10-14 02:51:47,704 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:51:47" (1/1) ... [2019-10-14 02:51:47,718 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 02:51:47,724 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 02:51:47,724 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 02:51:47,724 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 02:51:47,727 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:51:47" (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 02:51:47,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 02:51:47,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 02:51:47,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-14 02:51:47,815 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-14 02:51:47,816 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-14 02:51:47,817 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-14 02:51:47,817 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-14 02:51:47,819 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 02:51:47,819 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-14 02:51:47,819 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-14 02:51:47,820 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-14 02:51:47,820 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-14 02:51:47,821 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-14 02:51:47,821 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-14 02:51:47,821 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-10-14 02:51:47,821 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-14 02:51:47,824 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-14 02:51:47,824 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-14 02:51:47,824 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-14 02:51:47,825 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-14 02:51:47,825 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-14 02:51:47,825 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-14 02:51:47,825 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-14 02:51:47,825 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-14 02:51:47,825 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-14 02:51:47,826 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-14 02:51:47,826 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-14 02:51:47,826 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-14 02:51:47,826 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-14 02:51:47,826 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-14 02:51:47,827 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-14 02:51:47,827 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-14 02:51:47,827 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-14 02:51:47,827 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-14 02:51:47,828 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-14 02:51:47,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-14 02:51:47,828 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 02:51:47,828 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 02:51:47,828 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-14 02:51:47,828 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-14 02:51:47,829 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-14 02:51:47,829 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-14 02:51:47,829 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-14 02:51:47,829 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-14 02:51:47,829 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-14 02:51:47,829 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-14 02:51:47,829 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-14 02:51:47,830 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-14 02:51:47,830 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-14 02:51:47,830 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-14 02:51:47,830 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-14 02:51:47,830 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 02:51:47,830 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-14 02:51:47,830 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-14 02:51:47,830 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-14 02:51:47,831 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-14 02:51:47,831 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 02:51:47,831 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-14 02:51:47,831 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-14 02:51:47,831 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-10-14 02:51:47,831 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-14 02:51:47,832 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-14 02:51:47,832 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-14 02:51:47,832 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-14 02:51:47,832 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-14 02:51:47,832 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-14 02:51:47,833 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-14 02:51:47,833 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-14 02:51:47,833 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-14 02:51:47,833 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-14 02:51:47,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-14 02:51:47,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-14 02:51:47,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 02:51:47,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-14 02:51:47,834 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-14 02:51:47,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 02:51:47,835 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-14 02:51:47,835 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-14 02:51:47,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 02:51:47,836 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-14 02:51:47,836 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-14 02:51:47,836 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-14 02:51:47,836 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-14 02:51:47,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 02:51:47,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-14 02:51:47,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 02:51:49,423 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 02:51:49,423 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-14 02:51:49,425 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 02:51:49 BoogieIcfgContainer [2019-10-14 02:51:49,425 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 02:51:49,426 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-14 02:51:49,426 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-14 02:51:49,426 INFO L275 PluginConnector]: Sifa initialized [2019-10-14 02:51:49,428 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 02:51:49" (1/1) ... [2019-10-14 02:51:49,429 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 02:51:49,461 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-14 02:51:49,465 INFO L169 IcfgInterpreter]: Building call graph [2019-10-14 02:51:49,480 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-14 02:51:49,495 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-14 02:51:49,497 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-14 02:51:58,522 WARN L191 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-10-14 02:52:00,285 WARN L191 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-10-14 02:52:00,425 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-10-14 02:52:00,561 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-10-14 02:52:00,698 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-10-14 02:52:00,946 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 540 [2019-10-14 02:52:00,982 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 544 for LOIs [2019-10-14 02:52:01,054 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 542 for LOIs [2019-10-14 02:52:01,060 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 540 for LOIs [2019-10-14 02:52:01,715 WARN L191 SmtUtils]: Spent 572.00 ms on a formula simplification that was a NOOP. DAG size: 558 [2019-10-14 02:52:02,560 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 602 [2019-10-14 02:52:02,922 WARN L191 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 602 [2019-10-14 02:52:03,291 WARN L191 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 603 DAG size of output: 603 [2019-10-14 02:52:03,994 WARN L191 SmtUtils]: Spent 633.00 ms on a formula simplification that was a NOOP. DAG size: 615 [2019-10-14 02:52:04,921 WARN L191 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 615 [2019-10-14 02:52:05,402 WARN L191 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 615 [2019-10-14 02:52:05,826 WARN L191 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 615 [2019-10-14 02:52:06,203 WARN L191 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 615 [2019-10-14 02:52:07,167 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2019-10-14 02:52:07,706 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2019-10-14 02:52:08,354 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2019-10-14 02:52:09,724 WARN L191 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 611 DAG size of output: 608 [2019-10-14 02:52:10,144 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2019-10-14 02:52:10,374 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2019-10-14 02:52:10,707 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2019-10-14 02:52:10,838 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2019-10-14 02:52:11,019 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 182 [2019-10-14 02:52:11,181 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2019-10-14 02:52:12,738 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 611 DAG size of output: 608 [2019-10-14 02:52:15,629 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 609 DAG size of output: 605 [2019-10-14 02:52:16,096 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-10-14 02:52:16,098 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 143 for LOIs [2019-10-14 02:52:16,351 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 130 for LOIs [2019-10-14 02:52:16,356 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 143 for LOIs [2019-10-14 02:52:16,428 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-14 02:52:16,429 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-14 02:52:16,431 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 1196#(and (<= |#t~string58.offset| 0) (= |#t~string55.offset| 0) (<= |#t~string22.offset| 0) (<= 0 |#NULL.base|) (<= 0 |#t~string63.offset|) (<= |#t~string67.offset| 0) (<= 0 |#t~string20.offset|) (= |#t~string2.offset| 0) (<= ~systemActive~0 1) (<= ~head~0.offset 0) (= |#t~string62.offset| 0) (<= 0 |#t~string64.offset|) (<= 0 |#t~string67.offset|) (= 0 ~waterLevel~0) (= |#NULL.base| 0) (<= |#t~string24.offset| 0) (<= |#t~string57.offset| 0) (<= 0 |#t~string26.offset|) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 ~head~0.base) (<= 0 |#t~string6.offset|) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string10.offset|) (<= |#t~string64.offset| 0) (<= |#t~string53.offset| 0) (<= 0 (+ ~waterLevel~0 2147483648)) (<= |#t~string18.offset| 0) (<= |#t~string65.offset| 0) (<= 0 ~waterLevel~0) (= |#t~string26.offset| 0) (= |#t~string8.offset| 0) (= |#t~string20.offset| 0) (= |#t~string56.offset| 0) (<= 0 |#t~string53.offset|) (<= |#t~string66.offset| 0) (= |#t~string4.offset| 0) (= |#t~string57.offset| 0) (= |#t~string67.offset| 0) (<= 0 |#NULL.offset|) (= |#t~string66.offset| 0) (= |#t~string64.offset| 0) (= ~head~0.base 0) (<= ~cleanupTimeShifts~0 4) (= ~cleanupTimeShifts~0 4) (<= 0 |#t~string16.offset|) (<= |#NULL.base| 0) (<= |#t~string63.offset| 0) (= |#t~string18.offset| 0) (<= 1 ~systemActive~0) (= |#t~string16.offset| 0) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string10.offset| 0) (= |#NULL.offset| 0) (<= 0 |#t~string57.offset|) (<= |#t~string4.offset| 0) (<= |#t~string26.offset| 0) (= |#t~string53.offset| 0) (<= |#t~string8.offset| 0) (<= 0 |#t~string62.offset|) (<= ~head~0.base 0) (<= 0 ~head~0.offset) (= |#t~string10.offset| 0) (not (= ~pumpRunning~0 0)) (<= 0 |#t~string22.offset|) (= |#t~string28.offset| 0) (<= |#t~string16.offset| 0) (<= ~waterLevel~0 2147483647) (<= 0 |#t~string18.offset|) (<= |#t~string55.offset| 0) (= |#t~string30.offset| 0) (<= ~waterLevel~0 0) (<= |#t~string56.offset| 0) (= |#t~string65.offset| 0) (<= 0 |#t~string8.offset|) (<= |#NULL.offset| 0) (= ~head~0.offset 0) (<= |#t~string6.offset| 0) (= |#t~string63.offset| 0) (<= ~pumpRunning~0 2147483647) (= |#t~string24.offset| 0) (<= 0 |#t~string2.offset|) (<= 0 |#t~string65.offset|) (<= 0 |#t~string56.offset|) (= |#t~string54.offset| 0) (<= 0 |#t~string54.offset|) (= |#t~string58.offset| 0) (<= |#t~string30.offset| 0) (<= |#t~string62.offset| 0) (<= 0 |#t~string4.offset|) (<= ~methaneLevelCritical~0 1) (<= 0 |#t~string66.offset|) (<= |#t~string28.offset| 0) (<= 0 |#t~string30.offset|) (= |#t~string22.offset| 0) (= |#t~string6.offset| 0) (<= |#t~string54.offset| 0) (<= |#t~string2.offset| 0) (<= 0 |#t~string55.offset|) (<= 0 |#t~string24.offset|) (<= 0 |#t~string58.offset|) (<= |#t~string20.offset| 0) (<= 0 |#t~string28.offset|)) [2019-10-14 02:52:16,444 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-14 02:52:16,445 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-14 02:52:16,447 INFO L168 Benchmark]: Toolchain (without parser) took 29455.64 ms. Allocated memory was 138.9 MB in the beginning and 765.5 MB in the end (delta: 626.5 MB). Free memory was 103.2 MB in the beginning and 163.9 MB in the end (delta: -60.7 MB). Peak memory consumption was 565.8 MB. Max. memory is 7.1 GB. [2019-10-14 02:52:16,448 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 138.9 MB. Free memory was 122.2 MB in the beginning and 122.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-14 02:52:16,449 INFO L168 Benchmark]: CACSL2BoogieTranslator took 619.57 ms. Allocated memory was 138.9 MB in the beginning and 202.9 MB in the end (delta: 64.0 MB). Free memory was 103.0 MB in the beginning and 171.7 MB in the end (delta: -68.7 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. [2019-10-14 02:52:16,450 INFO L168 Benchmark]: Boogie Preprocessor took 111.56 ms. Allocated memory is still 202.9 MB. Free memory was 171.0 MB in the beginning and 166.7 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-10-14 02:52:16,450 INFO L168 Benchmark]: RCFGBuilder took 1701.71 ms. Allocated memory was 202.9 MB in the beginning and 235.4 MB in the end (delta: 32.5 MB). Free memory was 166.7 MB in the beginning and 156.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 82.1 MB. Max. memory is 7.1 GB. [2019-10-14 02:52:16,451 INFO L168 Benchmark]: Sifa took 27018.99 ms. Allocated memory was 235.4 MB in the beginning and 765.5 MB in the end (delta: 530.1 MB). Free memory was 156.0 MB in the beginning and 163.9 MB in the end (delta: -7.9 MB). Peak memory consumption was 522.1 MB. Max. memory is 7.1 GB. [2019-10-14 02:52:16,455 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 138.9 MB. Free memory was 122.2 MB in the beginning and 122.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 619.57 ms. Allocated memory was 138.9 MB in the beginning and 202.9 MB in the end (delta: 64.0 MB). Free memory was 103.0 MB in the beginning and 171.7 MB in the end (delta: -68.7 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 111.56 ms. Allocated memory is still 202.9 MB. Free memory was 171.0 MB in the beginning and 166.7 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1701.71 ms. Allocated memory was 202.9 MB in the beginning and 235.4 MB in the end (delta: 32.5 MB). Free memory was 166.7 MB in the beginning and 156.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 82.1 MB. Max. memory is 7.1 GB. * Sifa took 27018.99 ms. Allocated memory was 235.4 MB in the beginning and 765.5 MB in the end (delta: 530.1 MB). Free memory was 156.0 MB in the beginning and 163.9 MB in the end (delta: -7.9 MB). Peak memory consumption was 522.1 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]: 26970, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 411, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 270, TOOLS_POST_TIME[ms]: 11000, TOOLS_POST_CALL_APPLICATIONS: 107, TOOLS_POST_CALL_TIME[ms]: 328, TOOLS_POST_RETURN_APPLICATIONS: 100, TOOLS_POST_RETURN_TIME[ms]: 173, TOOLS_QUANTIFIERELIM_APPLICATIONS: 476, TOOLS_QUANTIFIERELIM_TIME[ms]: 11298, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 10831, FLUID_QUERY_TIME[ms]: 26, FLUID_QUERIES: 429, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 106, DOMAIN_JOIN_TIME[ms]: 12635, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 7, DOMAIN_WIDEN_TIME[ms]: 2320, DOMAIN_ISSUBSETEQ_APPLICATIONS: 18, DOMAIN_ISSUBSETEQ_TIME[ms]: 64, DOMAIN_ISBOTTOM_APPLICATIONS: 63, DOMAIN_ISBOTTOM_TIME[ms]: 230, LOOP_SUMMARIZER_APPLICATIONS: 11, LOOP_SUMMARIZER_CACHE_MISSES: 11, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 11078, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 11077, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 18, CALL_SUMMARIZER_APPLICATIONS: 100, CALL_SUMMARIZER_CACHE_MISSES: 20, CALL_SUMMARIZER_OVERALL_TIME[ms]: 11516, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 11515, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 9, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 38, DAG_COMPRESSION_PROCESSED_NODES: 481, DAG_COMPRESSION_RETAINED_NODES: 269 - UnprovableResult [Line: 872]: 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 1196#(and (<= |#t~string58.offset| 0) (= |#t~string55.offset| 0) (<= |#t~string22.offset| 0) (<= 0 |#NULL.base|) (<= 0 |#t~string63.offset|) (<= |#t~string67.offset| 0) (<= 0 |#t~string20.offset|) (= |#t~string2.offset| 0) (<= ~systemActive~0 1) (<= ~head~0.offset 0) (= |#t~string62.offset| 0) (<= 0 |#t~string64.offset|) (<= 0 |#t~string67.offset|) (= 0 ~waterLevel~0) (= |#NULL.base| 0) (<= |#t~string24.offset| 0) (<= |#t~string57.offset| 0) (<= 0 |#t~string26.offset|) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 ~head~0.base) (<= 0 |#t~string6.offset|) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string10.offset|) (<= |#t~string64.offset| 0) (<= |#t~string53.offset| 0) (<= 0 (+ ~waterLevel~0 2147483648)) (<= |#t~string18.offset| 0) (<= |#t~string65.offset| 0) (<= 0 ~waterLevel~0) (= |#t~string26.offset| 0) (= |#t~string8.offset| 0) (= |#t~string20.offset| 0) (= |#t~string56.offset| 0) (<= 0 |#t~string53.offset|) (<= |#t~string66.offset| 0) (= |#t~string4.offset| 0) (= |#t~string57.offset| 0) (= |#t~string67.offset| 0) (<= 0 |#NULL.offset|) (= |#t~string66.offset| 0) (= |#t~string64.offset| 0) (= ~head~0.base 0) (<= ~cleanupTimeShifts~0 4) (= ~cleanupTimeShifts~0 4) (<= 0 |#t~string16.offset|) (<= |#NULL.base| 0) (<= |#t~string63.offset| 0) (= |#t~string18.offset| 0) (<= 1 ~systemActive~0) (= |#t~string16.offset| 0) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string10.offset| 0) (= |#NULL.offset| 0) (<= 0 |#t~string57.offset|) (<= |#t~string4.offset| 0) (<= |#t~string26.offset| 0) (= |#t~string53.offset| 0) (<= |#t~string8.offset| 0) (<= 0 |#t~string62.offset|) (<= ~head~0.base 0) (<= 0 ~head~0.offset) (= |#t~string10.offset| 0) (not (= ~pumpRunning~0 0)) (<= 0 |#t~string22.offset|) (= |#t~string28.offset| 0) (<= |#t~string16.offset| 0) (<= ~waterLevel~0 2147483647) (<= 0 |#t~string18.offset|) (<= |#t~string55.offset| 0) (= |#t~string30.offset| 0) (<= ~waterLevel~0 0) (<= |#t~string56.offset| 0) (= |#t~string65.offset| 0) (<= 0 |#t~string8.offset|) (<= |#NULL.offset| 0) (= ~head~0.offset 0) (<= |#t~string6.offset| 0) (= |#t~string63.offset| 0) (<= ~pumpRunning~0 2147483647) (= |#t~string24.offset| 0) (<= 0 |#t~string2.offset|) (<= 0 |#t~string65.offset|) (<= 0 |#t~string56.offset|) (= |#t~string54.offset| 0) (<= 0 |#t~string54.offset|) (= |#t~string58.offset| 0) (<= |#t~string30.offset| 0) (<= |#t~string62.offset| 0) (<= 0 |#t~string4.offset|) (<= ~methaneLevelCritical~0 1) (<= 0 |#t~string66.offset|) (<= |#t~string28.offset| 0) (<= 0 |#t~string30.offset|) (= |#t~string22.offset| 0) (= |#t~string6.offset| 0) (<= |#t~string54.offset| 0) (<= |#t~string2.offset| 0) (<= 0 |#t~string55.offset|) (<= 0 |#t~string24.offset|) (<= 0 |#t~string58.offset|) (<= |#t~string20.offset| 0) (<= 0 |#t~string28.offset|)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...