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.logsizewrapperfluid.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product01.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-ba7495b [2019-09-25 16:27:07,961 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-25 16:27:07,964 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-25 16:27:07,982 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-25 16:27:07,982 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-25 16:27:07,983 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-25 16:27:07,985 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-25 16:27:07,993 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-25 16:27:07,995 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-25 16:27:07,996 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-25 16:27:07,997 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-25 16:27:07,998 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-25 16:27:07,999 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-25 16:27:07,999 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-25 16:27:08,000 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-25 16:27:08,001 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-25 16:27:08,002 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-25 16:27:08,003 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-25 16:27:08,005 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-25 16:27:08,006 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-25 16:27:08,008 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-25 16:27:08,009 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-25 16:27:08,010 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-25 16:27:08,010 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-25 16:27:08,013 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-25 16:27:08,013 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-25 16:27:08,013 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-25 16:27:08,014 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-25 16:27:08,014 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-25 16:27:08,015 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-25 16:27:08,015 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-25 16:27:08,016 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-25 16:27:08,017 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-25 16:27:08,018 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-25 16:27:08,019 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-25 16:27:08,019 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-25 16:27:08,019 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-25 16:27:08,020 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-25 16:27:08,020 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-25 16:27:08,021 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-25 16:27:08,021 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-25 16:27:08,022 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-25 16:27:08,036 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-25 16:27:08,036 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-25 16:27:08,037 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-25 16:27:08,038 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-25 16:27:08,038 INFO L138 SettingsManager]: * Use SBE=true [2019-09-25 16:27:08,038 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-25 16:27:08,038 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-25 16:27:08,038 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-25 16:27:08,039 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-25 16:27:08,039 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-25 16:27:08,039 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-25 16:27:08,039 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-25 16:27:08,039 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-25 16:27:08,040 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-25 16:27:08,040 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-25 16:27:08,040 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-25 16:27:08,040 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-25 16:27:08,040 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-25 16:27:08,041 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-25 16:27:08,041 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-25 16:27:08,041 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-25 16:27:08,041 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 16:27:08,041 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-25 16:27:08,042 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-25 16:27:08,042 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-25 16:27:08,042 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-25 16:27:08,042 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-25 16:27:08,042 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-25 16:27:08,043 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: LogSizeWrapperFluid Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-09-25 16:27:08,086 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-25 16:27:08,100 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-25 16:27:08,106 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-25 16:27:08,109 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-25 16:27:08,110 INFO L275 PluginConnector]: CDTParser initialized [2019-09-25 16:27:08,111 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product01.cil.c [2019-09-25 16:27:08,184 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a17ff19fd/df2a0417da4f49a7a1fc3a2a2e53c118/FLAG466e8d3a0 [2019-09-25 16:27:08,737 INFO L306 CDTParser]: Found 1 translation units. [2019-09-25 16:27:08,738 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product01.cil.c [2019-09-25 16:27:08,754 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a17ff19fd/df2a0417da4f49a7a1fc3a2a2e53c118/FLAG466e8d3a0 [2019-09-25 16:27:09,038 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a17ff19fd/df2a0417da4f49a7a1fc3a2a2e53c118 [2019-09-25 16:27:09,052 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-25 16:27:09,054 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-25 16:27:09,055 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-25 16:27:09,055 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-25 16:27:09,059 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-25 16:27:09,059 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 04:27:09" (1/1) ... [2019-09-25 16:27:09,062 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29914bb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:27:09, skipping insertion in model container [2019-09-25 16:27:09,062 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 04:27:09" (1/1) ... [2019-09-25 16:27:09,069 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-25 16:27:09,130 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-25 16:27:09,550 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 16:27:09,579 INFO L188 MainTranslator]: Completed pre-run [2019-09-25 16:27:09,654 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 16:27:09,693 INFO L192 MainTranslator]: Completed translation [2019-09-25 16:27:09,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:27:09 WrapperNode [2019-09-25 16:27:09,694 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-25 16:27:09,695 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-25 16:27:09,695 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-25 16:27:09,695 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-25 16:27:09,708 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:27:09" (1/1) ... [2019-09-25 16:27:09,708 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:27:09" (1/1) ... [2019-09-25 16:27:09,732 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:27:09" (1/1) ... [2019-09-25 16:27:09,732 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:27:09" (1/1) ... [2019-09-25 16:27:09,760 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:27:09" (1/1) ... [2019-09-25 16:27:09,769 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:27:09" (1/1) ... [2019-09-25 16:27:09,774 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:27:09" (1/1) ... [2019-09-25 16:27:09,781 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-25 16:27:09,782 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-25 16:27:09,782 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-25 16:27:09,782 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-25 16:27:09,783 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:27:09" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 16:27:09,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-25 16:27:09,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-25 16:27:09,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-25 16:27:09,863 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-25 16:27:09,864 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-25 16:27:09,864 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-25 16:27:09,865 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-25 16:27:09,865 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-25 16:27:09,865 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-25 16:27:09,866 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-25 16:27:09,866 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-25 16:27:09,867 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-25 16:27:09,867 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-25 16:27:09,867 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-25 16:27:09,867 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-25 16:27:09,867 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-25 16:27:09,869 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-25 16:27:09,870 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-25 16:27:09,870 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-25 16:27:09,870 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-25 16:27:09,870 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-25 16:27:09,870 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-25 16:27:09,870 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-25 16:27:09,871 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-25 16:27:09,871 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-25 16:27:09,871 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-25 16:27:09,871 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-25 16:27:09,871 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-25 16:27:09,871 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-25 16:27:09,871 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-25 16:27:09,872 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-25 16:27:09,872 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-25 16:27:09,872 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-25 16:27:09,872 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-25 16:27:09,873 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-25 16:27:09,873 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-25 16:27:09,873 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-25 16:27:09,873 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-25 16:27:09,873 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-25 16:27:09,873 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-25 16:27:09,873 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-25 16:27:09,874 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-25 16:27:09,874 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-25 16:27:09,874 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-25 16:27:09,874 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-25 16:27:09,874 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-25 16:27:09,874 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-25 16:27:09,875 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-25 16:27:09,875 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-25 16:27:09,875 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-25 16:27:09,875 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-25 16:27:09,875 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-25 16:27:09,875 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-25 16:27:09,875 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-25 16:27:09,876 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-25 16:27:09,876 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-25 16:27:09,876 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-25 16:27:09,876 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-25 16:27:09,876 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-25 16:27:09,877 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-25 16:27:09,877 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-25 16:27:09,877 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-25 16:27:09,877 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-25 16:27:09,877 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-25 16:27:09,878 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-25 16:27:09,878 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-25 16:27:09,878 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-25 16:27:09,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-25 16:27:09,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-25 16:27:09,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-25 16:27:09,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-25 16:27:09,879 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-25 16:27:09,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-25 16:27:09,880 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-25 16:27:09,880 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-25 16:27:09,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-25 16:27:09,881 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-25 16:27:09,881 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-25 16:27:09,881 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-25 16:27:09,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-25 16:27:09,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-25 16:27:09,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-25 16:27:11,541 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-25 16:27:11,541 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-25 16:27:11,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 04:27:11 BoogieIcfgContainer [2019-09-25 16:27:11,544 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-25 16:27:11,544 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-25 16:27:11,544 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-25 16:27:11,545 INFO L275 PluginConnector]: Sifa initialized [2019-09-25 16:27:11,546 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 04:27:11" (1/1) ... [2019-09-25 16:27:11,546 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 [2019-09-25 16:27:11,578 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-25 16:27:11,581 INFO L169 IcfgInterpreter]: Building call graph [2019-09-25 16:27:11,593 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-25 16:27:11,602 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-25 16:27:11,604 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-25 16:27:21,379 WARN L191 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-09-25 16:27:23,025 WARN L191 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-25 16:27:23,149 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-25 16:27:23,289 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-25 16:27:23,402 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-25 16:27:23,677 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 540 [2019-09-25 16:27:23,695 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 544 for LOIs [2019-09-25 16:27:23,767 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 542 for LOIs [2019-09-25 16:27:23,778 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 540 for LOIs [2019-09-25 16:27:24,431 WARN L191 SmtUtils]: Spent 553.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-09-25 16:27:24,845 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-09-25 16:27:25,303 WARN L191 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 593 [2019-09-25 16:27:25,802 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 178 [2019-09-25 16:27:26,475 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 172 [2019-09-25 16:27:26,932 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 597 DAG size of output: 597 [2019-09-25 16:27:27,174 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2019-09-25 16:27:27,283 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2019-09-25 16:27:29,499 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 167 [2019-09-25 16:27:29,626 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 180 [2019-09-25 16:27:30,994 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 167 [2019-09-25 16:27:31,135 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-25 16:27:31,138 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 105 for LOIs [2019-09-25 16:27:31,251 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 103 for LOIs [2019-09-25 16:27:31,261 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 1 for LOIs [2019-09-25 16:27:31,263 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-25 16:27:31,263 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-25 16:27:31,266 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 605#false [2019-09-25 16:27:31,274 INFO L100 SifaObserver]: ✔ All error locations are guaranteed to be unreachable. [2019-09-25 16:27:31,275 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-25 16:27:31,277 INFO L168 Benchmark]: Toolchain (without parser) took 22223.16 ms. Allocated memory was 138.9 MB in the beginning and 664.8 MB in the end (delta: 525.9 MB). Free memory was 85.4 MB in the beginning and 408.8 MB in the end (delta: -323.4 MB). Peak memory consumption was 202.4 MB. Max. memory is 7.1 GB. [2019-09-25 16:27:31,278 INFO L168 Benchmark]: CDTParser took 1.26 ms. Allocated memory is still 138.9 MB. Free memory was 105.0 MB in the beginning and 104.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-25 16:27:31,280 INFO L168 Benchmark]: CACSL2BoogieTranslator took 639.36 ms. Allocated memory was 138.9 MB in the beginning and 199.2 MB in the end (delta: 60.3 MB). Free memory was 85.2 MB in the beginning and 166.8 MB in the end (delta: -81.7 MB). Peak memory consumption was 21.9 MB. Max. memory is 7.1 GB. [2019-09-25 16:27:31,285 INFO L168 Benchmark]: Boogie Preprocessor took 86.88 ms. Allocated memory is still 199.2 MB. Free memory was 166.8 MB in the beginning and 162.4 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-09-25 16:27:31,287 INFO L168 Benchmark]: RCFGBuilder took 1761.88 ms. Allocated memory was 199.2 MB in the beginning and 221.2 MB in the end (delta: 22.0 MB). Free memory was 162.4 MB in the beginning and 153.5 MB in the end (delta: 9.0 MB). Peak memory consumption was 94.9 MB. Max. memory is 7.1 GB. [2019-09-25 16:27:31,289 INFO L168 Benchmark]: Sifa took 19731.11 ms. Allocated memory was 221.2 MB in the beginning and 664.8 MB in the end (delta: 443.5 MB). Free memory was 153.5 MB in the beginning and 408.8 MB in the end (delta: -255.3 MB). Peak memory consumption was 188.2 MB. Max. memory is 7.1 GB. [2019-09-25 16:27:31,301 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.26 ms. Allocated memory is still 138.9 MB. Free memory was 105.0 MB in the beginning and 104.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 639.36 ms. Allocated memory was 138.9 MB in the beginning and 199.2 MB in the end (delta: 60.3 MB). Free memory was 85.2 MB in the beginning and 166.8 MB in the end (delta: -81.7 MB). Peak memory consumption was 21.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 86.88 ms. Allocated memory is still 199.2 MB. Free memory was 166.8 MB in the beginning and 162.4 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1761.88 ms. Allocated memory was 199.2 MB in the beginning and 221.2 MB in the end (delta: 22.0 MB). Free memory was 162.4 MB in the beginning and 153.5 MB in the end (delta: 9.0 MB). Peak memory consumption was 94.9 MB. Max. memory is 7.1 GB. * Sifa took 19731.11 ms. Allocated memory was 221.2 MB in the beginning and 664.8 MB in the end (delta: 443.5 MB). Free memory was 153.5 MB in the beginning and 408.8 MB in the end (delta: -255.3 MB). Peak memory consumption was 188.2 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]: 19688, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 197, DAG_INTERPRETER_EARLY_EXITS: 2, TOOLS_POST_APPLICATIONS: 135, TOOLS_POST_TIME[ms]: 11598, TOOLS_POST_CALL_APPLICATIONS: 49, TOOLS_POST_CALL_TIME[ms]: 162, TOOLS_POST_RETURN_APPLICATIONS: 42, TOOLS_POST_RETURN_TIME[ms]: 75, TOOLS_QUANTIFIERELIM_APPLICATIONS: 224, TOOLS_QUANTIFIERELIM_TIME[ms]: 11723, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 11476, FLUID_QUERY_TIME[ms]: 14, FLUID_QUERIES: 206, FLUID_YES_ANSWERS: 1, DOMAIN_JOIN_APPLICATIONS: 57, DOMAIN_JOIN_TIME[ms]: 6928, DOMAIN_ALPHA_APPLICATIONS: 1, DOMAIN_ALPHA_TIME[ms]: 273, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 348, DOMAIN_ISSUBSETEQ_APPLICATIONS: 9, DOMAIN_ISSUBSETEQ_TIME[ms]: 53, DOMAIN_ISBOTTOM_APPLICATIONS: 25, DOMAIN_ISBOTTOM_TIME[ms]: 78, LOOP_SUMMARIZER_APPLICATIONS: 8, LOOP_SUMMARIZER_CACHE_MISSES: 8, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 4226, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 4225, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 9, CALL_SUMMARIZER_APPLICATIONS: 42, CALL_SUMMARIZER_CACHE_MISSES: 14, CALL_SUMMARIZER_OVERALL_TIME[ms]: 12136, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12135, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 8, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 7, DAG_COMPRESSION_TIME[ms]: 45, DAG_COMPRESSION_PROCESSED_NODES: 564, DAG_COMPRESSION_RETAINED_NODES: 194 - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold RESULT: Ultimate proved your program to be correct! Received shutdown request...