/usr/bin/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_spec2_product15.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 10:45:26,684 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 10:45:26,687 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 10:45:26,700 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 10:45:26,701 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 10:45:26,702 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 10:45:26,703 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 10:45:26,705 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 10:45:26,706 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 10:45:26,707 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 10:45:26,708 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 10:45:26,709 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 10:45:26,709 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 10:45:26,710 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 10:45:26,711 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 10:45:26,712 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 10:45:26,713 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 10:45:26,714 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 10:45:26,716 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 10:45:26,718 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 10:45:26,719 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 10:45:26,720 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 10:45:26,721 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 10:45:26,722 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 10:45:26,724 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 10:45:26,724 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 10:45:26,725 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 10:45:26,725 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 10:45:26,726 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 10:45:26,727 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 10:45:26,727 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 10:45:26,728 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 10:45:26,728 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 10:45:26,729 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 10:45:26,730 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 10:45:26,730 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 10:45:26,731 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 10:45:26,731 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 10:45:26,731 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 10:45:26,732 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 10:45:26,733 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 10:45:26,734 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 [2019-11-07 10:45:26,752 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 10:45:26,752 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 10:45:26,753 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 10:45:26,753 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 10:45:26,753 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 10:45:26,754 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 10:45:26,754 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 10:45:26,754 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 10:45:26,754 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 10:45:26,754 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 10:45:26,755 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 10:45:26,755 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 10:45:26,755 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 10:45:26,755 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 10:45:26,755 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 10:45:26,756 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 10:45:26,756 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 10:45:26,756 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 10:45:26,756 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 10:45:26,756 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 10:45:26,757 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 10:45:26,757 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 10:45:26,757 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 10:45:26,757 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 10:45:26,757 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 10:45:26,757 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 10:45:26,758 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 10:45:26,758 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 10:45:26,758 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 [2019-11-07 10:45:27,021 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 10:45:27,032 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 10:45:27,036 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 10:45:27,038 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 10:45:27,038 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 10:45:27,039 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product15.cil.c [2019-11-07 10:45:27,099 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e5176c5b/24614f31fd3b4418a2fb382ffd1908a3/FLAGf4d0b3e87 [2019-11-07 10:45:27,598 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 10:45:27,599 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product15.cil.c [2019-11-07 10:45:27,613 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e5176c5b/24614f31fd3b4418a2fb382ffd1908a3/FLAGf4d0b3e87 [2019-11-07 10:45:27,948 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e5176c5b/24614f31fd3b4418a2fb382ffd1908a3 [2019-11-07 10:45:27,955 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 10:45:27,957 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 10:45:27,958 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 10:45:27,958 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 10:45:27,961 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 10:45:27,962 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:45:27" (1/1) ... [2019-11-07 10:45:27,965 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d97285e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:45:27, skipping insertion in model container [2019-11-07 10:45:27,965 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:45:27" (1/1) ... [2019-11-07 10:45:27,971 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 10:45:28,035 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 10:45:28,484 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 10:45:28,513 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 10:45:28,618 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 10:45:28,652 INFO L192 MainTranslator]: Completed translation [2019-11-07 10:45:28,652 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:45:28 WrapperNode [2019-11-07 10:45:28,653 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 10:45:28,653 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 10:45:28,653 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 10:45:28,654 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 10:45:28,667 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:45:28" (1/1) ... [2019-11-07 10:45:28,668 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:45:28" (1/1) ... [2019-11-07 10:45:28,687 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:45:28" (1/1) ... [2019-11-07 10:45:28,687 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:45:28" (1/1) ... [2019-11-07 10:45:28,724 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:45:28" (1/1) ... [2019-11-07 10:45:28,734 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:45:28" (1/1) ... [2019-11-07 10:45:28,740 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:45:28" (1/1) ... [2019-11-07 10:45:28,747 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 10:45:28,748 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 10:45:28,748 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 10:45:28,748 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 10:45:28,749 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:45:28" (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 [2019-11-07 10:45:28,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 10:45:28,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 10:45:28,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 10:45:28,818 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-07 10:45:28,818 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-11-07 10:45:28,818 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-11-07 10:45:28,818 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2019-11-07 10:45:28,819 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-11-07 10:45:28,819 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-07 10:45:28,819 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-11-07 10:45:28,819 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-11-07 10:45:28,819 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-11-07 10:45:28,820 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-11-07 10:45:28,820 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 10:45:28,820 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-11-07 10:45:28,820 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-07 10:45:28,820 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-07 10:45:28,820 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-07 10:45:28,821 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-11-07 10:45:28,821 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-11-07 10:45:28,821 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 10:45:28,821 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 10:45:28,821 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 10:45:28,821 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 10:45:28,822 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 10:45:28,822 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 10:45:28,822 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 10:45:28,822 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 10:45:28,822 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 10:45:28,822 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 10:45:28,823 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 10:45:28,823 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-11-07 10:45:28,823 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-11-07 10:45:28,823 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-07 10:45:28,823 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-11-07 10:45:28,823 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 10:45:28,824 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-11-07 10:45:28,824 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 10:45:28,824 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 10:45:28,824 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 10:45:28,824 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 10:45:28,824 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-11-07 10:45:28,825 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-07 10:45:28,825 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-11-07 10:45:28,825 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-07 10:45:28,825 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-11-07 10:45:28,825 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-07 10:45:28,825 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-11-07 10:45:28,825 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-11-07 10:45:28,826 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-11-07 10:45:28,826 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-11-07 10:45:28,826 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-11-07 10:45:28,826 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-11-07 10:45:28,826 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-11-07 10:45:28,826 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2019-11-07 10:45:28,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 10:45:28,827 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-07 10:45:28,827 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-07 10:45:28,827 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-07 10:45:28,827 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 10:45:28,827 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-11-07 10:45:28,827 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 10:45:28,828 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 10:45:28,828 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 10:45:28,828 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 10:45:28,828 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 10:45:28,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 10:45:28,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 10:45:28,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 10:45:28,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 10:45:28,829 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 10:45:28,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 10:45:28,829 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 10:45:28,829 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 10:45:28,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 10:45:28,829 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 10:45:28,830 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 10:45:28,830 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 10:45:28,830 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 10:45:28,830 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 10:45:28,830 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 10:45:28,830 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 10:45:28,831 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-11-07 10:45:28,831 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-11-07 10:45:28,831 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 10:45:28,831 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-11-07 10:45:28,831 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 10:45:28,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 10:45:28,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 10:45:28,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 10:45:30,378 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 10:45:30,378 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-07 10:45:30,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:45:30 BoogieIcfgContainer [2019-11-07 10:45:30,380 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 10:45:30,381 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-07 10:45:30,381 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-07 10:45:30,381 INFO L275 PluginConnector]: Sifa initialized [2019-11-07 10:45:30,382 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:45:30" (1/1) ... [2019-11-07 10:45:30,383 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 [2019-11-07 10:45:30,422 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-07 10:45:30,423 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 10:45:30,435 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 10:45:30,445 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 10:45:30,447 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-07 10:45:41,506 WARN L191 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-11-07 10:45:43,192 WARN L191 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-11-07 10:45:43,346 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-11-07 10:45:43,364 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 484 for LOIs [2019-11-07 10:45:43,403 INFO L197 IcfgInterpreter]: Interpreting procedure runTest with input of size 484 for LOIs [2019-11-07 10:45:43,417 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 484 for LOIs [2019-11-07 10:45:43,901 WARN L191 SmtUtils]: Spent 418.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-11-07 10:45:44,164 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2019-11-07 10:45:44,424 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2019-11-07 10:45:44,726 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 195 [2019-11-07 10:45:44,875 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 198 [2019-11-07 10:45:45,211 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 600 [2019-11-07 10:45:45,392 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 600 [2019-11-07 10:45:45,636 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 601 DAG size of output: 601 [2019-11-07 10:45:46,043 WARN L191 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 611 [2019-11-07 10:45:47,153 WARN L191 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 611 [2019-11-07 10:45:47,947 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 194 [2019-11-07 10:45:48,541 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 610 DAG size of output: 610 [2019-11-07 10:45:48,867 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 610 DAG size of output: 610 [2019-11-07 10:45:49,010 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 612 [2019-11-07 10:45:49,057 INFO L197 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-11-07 10:45:49,059 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 141 for LOIs [2019-11-07 10:45:49,372 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification2_spec__2 with input of size 135 for LOIs [2019-11-07 10:45:49,381 INFO L197 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 148 for LOIs [2019-11-07 10:45:49,382 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-07 10:45:49,396 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-07 10:45:49,396 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-07 10:45:49,398 INFO L168 Benchmark]: Toolchain (without parser) took 21441.10 ms. Allocated memory was 142.1 MB in the beginning and 555.2 MB in the end (delta: 413.1 MB). Free memory was 101.3 MB in the beginning and 314.9 MB in the end (delta: -213.6 MB). Peak memory consumption was 199.5 MB. Max. memory is 7.1 GB. [2019-11-07 10:45:49,399 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 142.1 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-11-07 10:45:49,400 INFO L168 Benchmark]: CACSL2BoogieTranslator took 695.47 ms. Allocated memory was 142.1 MB in the beginning and 202.4 MB in the end (delta: 60.3 MB). Free memory was 101.1 MB in the beginning and 170.6 MB in the end (delta: -69.5 MB). Peak memory consumption was 22.8 MB. Max. memory is 7.1 GB. [2019-11-07 10:45:49,401 INFO L168 Benchmark]: Boogie Preprocessor took 93.93 ms. Allocated memory is still 202.4 MB. Free memory was 170.6 MB in the beginning and 166.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2019-11-07 10:45:49,402 INFO L168 Benchmark]: RCFGBuilder took 1632.76 ms. Allocated memory was 202.4 MB in the beginning and 233.3 MB in the end (delta: 30.9 MB). Free memory was 166.4 MB in the beginning and 155.5 MB in the end (delta: 10.8 MB). Peak memory consumption was 85.7 MB. Max. memory is 7.1 GB. [2019-11-07 10:45:49,403 INFO L168 Benchmark]: Sifa took 19015.50 ms. Allocated memory was 233.3 MB in the beginning and 555.2 MB in the end (delta: 321.9 MB). Free memory was 155.5 MB in the beginning and 314.9 MB in the end (delta: -159.4 MB). Peak memory consumption was 162.5 MB. Max. memory is 7.1 GB. [2019-11-07 10:45:49,407 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 142.1 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 695.47 ms. Allocated memory was 142.1 MB in the beginning and 202.4 MB in the end (delta: 60.3 MB). Free memory was 101.1 MB in the beginning and 170.6 MB in the end (delta: -69.5 MB). Peak memory consumption was 22.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 93.93 ms. Allocated memory is still 202.4 MB. Free memory was 170.6 MB in the beginning and 166.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1632.76 ms. Allocated memory was 202.4 MB in the beginning and 233.3 MB in the end (delta: 30.9 MB). Free memory was 166.4 MB in the beginning and 155.5 MB in the end (delta: 10.8 MB). Peak memory consumption was 85.7 MB. Max. memory is 7.1 GB. * Sifa took 19015.50 ms. Allocated memory was 233.3 MB in the beginning and 555.2 MB in the end (delta: 321.9 MB). Free memory was 155.5 MB in the beginning and 314.9 MB in the end (delta: -159.4 MB). Peak memory consumption was 162.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 18960, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 36, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 108, TOOLS_POST_TIME[ms]: 12873, TOOLS_POST_CALL_APPLICATIONS: 48, TOOLS_POST_CALL_TIME[ms]: 149, TOOLS_POST_RETURN_APPLICATIONS: 41, TOOLS_POST_RETURN_TIME[ms]: 68, TOOLS_QUANTIFIERELIM_APPLICATIONS: 196, TOOLS_QUANTIFIERELIM_TIME[ms]: 12998, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 12817, FLUID_QUERY_TIME[ms]: 12, FLUID_QUERIES: 191, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 34, DOMAIN_JOIN_TIME[ms]: 5035, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 567, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 17, DOMAIN_ISBOTTOM_APPLICATIONS: 36, DOMAIN_ISBOTTOM_TIME[ms]: 116, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 3341, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 3340, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 41, CALL_SUMMARIZER_CACHE_MISSES: 21, CALL_SUMMARIZER_OVERALL_TIME[ms]: 12955, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12955, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 28, DAG_COMPRESSION_PROCESSED_NODES: 429, DAG_COMPRESSION_RETAINED_NODES: 177 - UnprovableResult [Line: 370]: 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 416#(and (not (= 0 ~methAndRunningLastTime~0)) (= |#t~string61.offset| 0) (= |#t~string55.offset| 0) (<= 0 |#NULL.base|) (<= 0 |#t~string63.offset|) (<= ~systemActive~0 1) (<= 0 |#t~string52.offset|) (<= ~head~0.offset 0) (= |#t~string62.offset| 0) (<= 0 |#t~string64.offset|) (= |#t~string32.offset| 0) (<= 0 |#t~string60.offset|) (= |#t~string52.offset| 0) (= |#NULL.base| 0) (<= 0 |#t~string51.offset|) (<= |#t~string24.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~string51.offset| 0) (<= |#t~string64.offset| 0) (<= |#t~string53.offset| 0) (<= |#t~string18.offset| 0) (<= 0 |#t~string61.offset|) (<= |#t~string65.offset| 0) (= |#t~string26.offset| 0) (= |#t~string8.offset| 0) (<= |#t~string14.offset| 0) (= |#t~string56.offset| 0) (<= 0 |#t~string53.offset|) (= |#t~string4.offset| 0) (= |#t~string14.offset| 0) (<= 0 |#NULL.offset|) (<= |#t~string60.offset| 0) (= |#t~string64.offset| 0) (= ~head~0.base 0) (<= ~cleanupTimeShifts~0 4) (not (= 0 ~methaneLevelCritical~0)) (= ~cleanupTimeShifts~0 4) (<= 0 |#t~string16.offset|) (<= ~methAndRunningLastTime~0 1) (<= ~methaneLevelCritical~0 2147483647) (<= |#NULL.base| 0) (<= |#t~string63.offset| 0) (= |#t~string18.offset| 0) (= |#t~string16.offset| 0) (<= 4 ~cleanupTimeShifts~0) (<= |#t~string10.offset| 0) (= |#NULL.offset| 0) (<= |#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)) (= |#t~string28.offset| 0) (<= |#t~string52.offset| 0) (<= |#t~string16.offset| 0) (<= 0 |#t~string32.offset|) (= |#t~string12.offset| 0) (<= 0 |#t~string18.offset|) (<= |#t~string55.offset| 0) (= |#t~string30.offset| 0) (<= |#t~string56.offset| 0) (<= |#t~string51.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 (+ ~methaneLevelCritical~0 2147483648)) (<= 0 |#t~string65.offset|) (<= 0 |#t~string56.offset|) (<= |#t~string61.offset| 0) (= |#t~string54.offset| 0) (<= 0 |#t~string54.offset|) (<= |#t~string30.offset| 0) (<= |#t~string32.offset| 0) (<= |#t~string62.offset| 0) (<= 0 ~systemActive~0) (<= 0 |#t~string4.offset|) (<= ~methaneLevelCritical~0 1) (<= |#t~string28.offset| 0) (<= 0 |#t~string30.offset|) (<= 0 |#t~string14.offset|) (= |#t~string60.offset| 0) (<= 0 |#t~string12.offset|) (= |#t~string6.offset| 0) (<= |#t~string54.offset| 0) (<= |#t~string12.offset| 0) (<= 0 |#t~string55.offset|) (<= 0 ~methAndRunningLastTime~0) (<= 0 |#t~string24.offset|) (<= 0 |#t~string28.offset|)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...