java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.logsizewrapperfluid.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK --sifa.max.parallel.explicit.values 2 --sifa.sizelimitfluid.max.disjunctions 4 -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product04.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-ba7495b [2019-09-25 17:07:08,003 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-25 17:07:08,005 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-25 17:07:08,017 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-25 17:07:08,018 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-25 17:07:08,019 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-25 17:07:08,020 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-25 17:07:08,022 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-25 17:07:08,024 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-25 17:07:08,025 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-25 17:07:08,026 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-25 17:07:08,027 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-25 17:07:08,027 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-25 17:07:08,028 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-25 17:07:08,029 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-25 17:07:08,030 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-25 17:07:08,031 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-25 17:07:08,032 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-25 17:07:08,034 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-25 17:07:08,036 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-25 17:07:08,038 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-25 17:07:08,039 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-25 17:07:08,040 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-25 17:07:08,041 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-25 17:07:08,044 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-25 17:07:08,044 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-25 17:07:08,044 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-25 17:07:08,045 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-25 17:07:08,046 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-25 17:07:08,047 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-25 17:07:08,047 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-25 17:07:08,048 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-25 17:07:08,048 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-25 17:07:08,049 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-25 17:07:08,050 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-25 17:07:08,051 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-25 17:07:08,051 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-25 17:07:08,051 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-25 17:07:08,052 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-25 17:07:08,052 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-25 17:07:08,053 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-25 17:07:08,054 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 17:07:08,070 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-25 17:07:08,070 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-25 17:07:08,072 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-25 17:07:08,073 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-25 17:07:08,073 INFO L138 SettingsManager]: * Use SBE=true [2019-09-25 17:07:08,073 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-25 17:07:08,073 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-25 17:07:08,073 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-25 17:07:08,073 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-25 17:07:08,074 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-25 17:07:08,074 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-25 17:07:08,074 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-25 17:07:08,076 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-25 17:07:08,077 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-25 17:07:08,077 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-25 17:07:08,077 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-25 17:07:08,077 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-25 17:07:08,078 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-25 17:07:08,078 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-25 17:07:08,078 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-25 17:07:08,078 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-25 17:07:08,078 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 17:07:08,079 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-25 17:07:08,079 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-25 17:07:08,079 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-25 17:07:08,080 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-25 17:07:08,080 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-25 17:07:08,081 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-25 17:07:08,081 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: LogSizeWrapperFluid Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Max. Parallel Explicit Values -> 2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: SizeLimitFluid Max. Disjunctions -> 4 [2019-09-25 17:07:08,127 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-25 17:07:08,145 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-25 17:07:08,149 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-25 17:07:08,151 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-25 17:07:08,154 INFO L275 PluginConnector]: CDTParser initialized [2019-09-25 17:07:08,155 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product04.cil.c [2019-09-25 17:07:08,223 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02653ea7e/7f78f0fe1ed6466c9604922ba7c163c8/FLAG194f03c91 [2019-09-25 17:07:08,777 INFO L306 CDTParser]: Found 1 translation units. [2019-09-25 17:07:08,778 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product04.cil.c [2019-09-25 17:07:08,792 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02653ea7e/7f78f0fe1ed6466c9604922ba7c163c8/FLAG194f03c91 [2019-09-25 17:07:09,040 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02653ea7e/7f78f0fe1ed6466c9604922ba7c163c8 [2019-09-25 17:07:09,049 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-25 17:07:09,050 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-25 17:07:09,051 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-25 17:07:09,052 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-25 17:07:09,055 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-25 17:07:09,056 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:07:09" (1/1) ... [2019-09-25 17:07:09,059 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2294aade and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:07:09, skipping insertion in model container [2019-09-25 17:07:09,059 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:07:09" (1/1) ... [2019-09-25 17:07:09,066 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-25 17:07:09,120 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-25 17:07:09,535 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:07:09,560 INFO L188 MainTranslator]: Completed pre-run [2019-09-25 17:07:09,669 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:07:09,703 INFO L192 MainTranslator]: Completed translation [2019-09-25 17:07:09,703 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:07:09 WrapperNode [2019-09-25 17:07:09,703 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-25 17:07:09,704 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-25 17:07:09,704 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-25 17:07:09,704 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-25 17:07:09,715 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:07:09" (1/1) ... [2019-09-25 17:07:09,715 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:07:09" (1/1) ... [2019-09-25 17:07:09,733 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:07:09" (1/1) ... [2019-09-25 17:07:09,734 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:07:09" (1/1) ... [2019-09-25 17:07:09,766 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:07:09" (1/1) ... [2019-09-25 17:07:09,776 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:07:09" (1/1) ... [2019-09-25 17:07:09,781 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:07:09" (1/1) ... [2019-09-25 17:07:09,789 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-25 17:07:09,789 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-25 17:07:09,789 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-25 17:07:09,790 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-25 17:07:09,791 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:07:09" (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 17:07:09,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-25 17:07:09,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-25 17:07:09,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-25 17:07:09,847 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-25 17:07:09,847 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-25 17:07:09,847 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-25 17:07:09,847 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-25 17:07:09,847 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-25 17:07:09,847 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-25 17:07:09,848 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-25 17:07:09,848 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-25 17:07:09,848 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-25 17:07:09,848 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-25 17:07:09,848 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-25 17:07:09,848 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-25 17:07:09,849 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-25 17:07:09,849 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-25 17:07:09,849 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-25 17:07:09,849 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-25 17:07:09,849 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-25 17:07:09,850 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-25 17:07:09,850 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-25 17:07:09,850 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-25 17:07:09,850 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-25 17:07:09,850 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-25 17:07:09,850 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-25 17:07:09,851 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-25 17:07:09,851 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-25 17:07:09,851 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-25 17:07:09,851 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-25 17:07:09,851 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-25 17:07:09,851 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-25 17:07:09,852 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-25 17:07:09,852 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-25 17:07:09,852 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-25 17:07:09,852 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-09-25 17:07:09,852 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-09-25 17:07:09,852 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-25 17:07:09,853 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-25 17:07:09,853 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-25 17:07:09,853 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-25 17:07:09,853 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-25 17:07:09,853 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-25 17:07:09,853 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-25 17:07:09,853 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-25 17:07:09,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-25 17:07:09,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-25 17:07:09,854 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-25 17:07:09,854 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-25 17:07:09,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-25 17:07:09,854 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-25 17:07:09,854 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-25 17:07:09,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-25 17:07:09,855 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-25 17:07:09,855 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-25 17:07:09,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-25 17:07:09,855 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-25 17:07:09,855 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-25 17:07:09,856 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-25 17:07:09,856 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-25 17:07:09,856 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-25 17:07:09,856 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-25 17:07:09,856 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-25 17:07:09,856 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-25 17:07:09,857 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-25 17:07:09,857 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-25 17:07:09,857 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-25 17:07:09,857 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-25 17:07:09,857 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-09-25 17:07:09,857 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-25 17:07:09,857 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-25 17:07:09,858 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-25 17:07:09,858 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-25 17:07:09,858 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-25 17:07:09,858 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-25 17:07:09,858 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-25 17:07:09,858 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-25 17:07:09,859 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-25 17:07:09,859 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-25 17:07:09,859 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-25 17:07:09,859 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-09-25 17:07:09,859 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-25 17:07:09,859 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-25 17:07:09,860 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-25 17:07:09,860 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-25 17:07:09,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-25 17:07:09,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-25 17:07:09,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-25 17:07:11,534 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-25 17:07:11,535 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-25 17:07:11,537 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:07:11 BoogieIcfgContainer [2019-09-25 17:07:11,538 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-25 17:07:11,538 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-25 17:07:11,538 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-25 17:07:11,539 INFO L275 PluginConnector]: Sifa initialized [2019-09-25 17:07:11,540 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:07:11" (1/1) ... [2019-09-25 17:07:11,541 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=ExplicitValueDomain ♦ 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=4 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-09-25 17:07:11,594 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-25 17:07:11,594 INFO L169 IcfgInterpreter]: Building call graph [2019-09-25 17:07:11,608 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-25 17:07:11,624 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-25 17:07:11,626 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-25 17:07:20,718 WARN L191 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-09-25 17:07:22,495 WARN L191 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-25 17:07:22,658 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-25 17:07:22,775 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-25 17:07:22,905 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-25 17:07:22,923 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 484 for LOIs [2019-09-25 17:07:22,965 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 484 for LOIs [2019-09-25 17:07:22,980 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 484 for LOIs [2019-09-25 17:07:23,532 WARN L191 SmtUtils]: Spent 431.00 ms on a formula simplification that was a NOOP. DAG size: 509 [2019-09-25 17:07:23,996 WARN L191 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 514 [2019-09-25 17:07:24,356 WARN L191 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 514 [2019-09-25 17:07:24,828 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 507 [2019-09-25 17:07:24,953 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 507 [2019-09-25 17:07:25,386 WARN L191 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 531 [2019-09-25 17:07:25,663 WARN L191 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 536 [2019-09-25 17:07:25,936 WARN L191 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 536 [2019-09-25 17:07:26,460 WARN L191 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 528 [2019-09-25 17:07:26,707 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 528 [2019-09-25 17:07:26,929 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 528 [2019-09-25 17:07:27,170 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 528 [2019-09-25 17:07:27,377 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 528 [2019-09-25 17:07:27,593 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 528 [2019-09-25 17:07:28,450 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 508 DAG size of output: 505 [2019-09-25 17:07:29,425 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 508 DAG size of output: 505 [2019-09-25 17:07:29,543 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 505 [2019-09-25 17:07:30,277 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 508 DAG size of output: 505 [2019-09-25 17:07:30,450 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 505 [2019-09-25 17:07:30,714 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 531 [2019-09-25 17:07:30,926 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 536 [2019-09-25 17:07:31,119 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 536 [2019-09-25 17:07:31,980 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 508 DAG size of output: 505 [2019-09-25 17:07:32,120 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 505 [2019-09-25 17:07:33,688 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-25 17:07:33,690 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 69 for LOIs [2019-09-25 17:07:33,722 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification2_spec__2 with input of size 66 for LOIs [2019-09-25 17:07:33,726 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 80 for LOIs [2019-09-25 17:07:33,734 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-25 17:07:33,734 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-25 17:07:33,736 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 1342#(and (not (= 0 ~methAndRunningLastTime~0)) (= |#t~string20.offset| 0) (= |#t~string21.offset| 0) (= |#t~string61.offset| 0) (= |#t~string55.offset| 0) (= |#t~string49.offset| 0) (= |#t~string29.offset| 0) (= |#t~string47.offset| 0) (= |#t~string57.offset| 0) (= |#t~string27.offset| 0) (= |#t~string67.offset| 0) (not (= ~pumpRunning~0 0)) (= |#t~string28.offset| 0) (= |#t~string19.offset| 0) (= ~head~0.base 0) (= |#t~string59.offset| 0) (not (= 0 ~methaneLevelCritical~0)) (= |#t~string32.offset| 0) (= |#t~string30.offset| 0) (= ~cleanupTimeShifts~0 4) (<= ~methaneLevelCritical~0 2147483647) (= |#t~string43.offset| 0) (= |#NULL.base| 0) (= |#t~string65.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#t~string18.offset| 0) (= |#t~string22.offset| 0) (= ~head~0.offset 0) (= |#t~string51.offset| 0) (= |#t~string63.offset| 0) (<= ~pumpRunning~0 2147483647) (= |#t~string31.offset| 0) (= |#t~string45.offset| 0) (= |#NULL.offset| 0) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (= |#t~string23.offset| 0) (= |#t~string53.offset| 0)) [2019-09-25 17:07:33,753 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-25 17:07:33,753 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-25 17:07:33,755 INFO L168 Benchmark]: Toolchain (without parser) took 24704.56 ms. Allocated memory was 134.2 MB in the beginning and 726.1 MB in the end (delta: 591.9 MB). Free memory was 89.2 MB in the beginning and 257.3 MB in the end (delta: -168.1 MB). Peak memory consumption was 423.8 MB. Max. memory is 7.1 GB. [2019-09-25 17:07:33,756 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 134.2 MB. Free memory is still 107.9 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-25 17:07:33,757 INFO L168 Benchmark]: CACSL2BoogieTranslator took 652.13 ms. Allocated memory was 134.2 MB in the beginning and 198.7 MB in the end (delta: 64.5 MB). Free memory was 89.2 MB in the beginning and 165.0 MB in the end (delta: -75.8 MB). Peak memory consumption was 26.2 MB. Max. memory is 7.1 GB. [2019-09-25 17:07:33,758 INFO L168 Benchmark]: Boogie Preprocessor took 85.00 ms. Allocated memory is still 198.7 MB. Free memory was 165.0 MB in the beginning and 160.3 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2019-09-25 17:07:33,758 INFO L168 Benchmark]: RCFGBuilder took 1748.42 ms. Allocated memory was 198.7 MB in the beginning and 225.4 MB in the end (delta: 26.7 MB). Free memory was 160.3 MB in the beginning and 148.3 MB in the end (delta: 12.0 MB). Peak memory consumption was 88.2 MB. Max. memory is 7.1 GB. [2019-09-25 17:07:33,759 INFO L168 Benchmark]: Sifa took 22214.91 ms. Allocated memory was 225.4 MB in the beginning and 726.1 MB in the end (delta: 500.7 MB). Free memory was 148.3 MB in the beginning and 257.3 MB in the end (delta: -109.0 MB). Peak memory consumption was 391.7 MB. Max. memory is 7.1 GB. [2019-09-25 17:07:33,763 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 134.2 MB. Free memory is still 107.9 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 652.13 ms. Allocated memory was 134.2 MB in the beginning and 198.7 MB in the end (delta: 64.5 MB). Free memory was 89.2 MB in the beginning and 165.0 MB in the end (delta: -75.8 MB). Peak memory consumption was 26.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 85.00 ms. Allocated memory is still 198.7 MB. Free memory was 165.0 MB in the beginning and 160.3 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1748.42 ms. Allocated memory was 198.7 MB in the beginning and 225.4 MB in the end (delta: 26.7 MB). Free memory was 160.3 MB in the beginning and 148.3 MB in the end (delta: 12.0 MB). Peak memory consumption was 88.2 MB. Max. memory is 7.1 GB. * Sifa took 22214.91 ms. Allocated memory was 225.4 MB in the beginning and 726.1 MB in the end (delta: 500.7 MB). Free memory was 148.3 MB in the beginning and 257.3 MB in the end (delta: -109.0 MB). Peak memory consumption was 391.7 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]: 22143, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 543, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 385, TOOLS_POST_TIME[ms]: 11207, TOOLS_POST_CALL_APPLICATIONS: 134, TOOLS_POST_CALL_TIME[ms]: 236, TOOLS_POST_RETURN_APPLICATIONS: 127, TOOLS_POST_RETURN_TIME[ms]: 121, TOOLS_QUANTIFIERELIM_APPLICATIONS: 645, TOOLS_QUANTIFIERELIM_TIME[ms]: 11342, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 10928, FLUID_QUERY_TIME[ms]: 23, FLUID_QUERIES: 561, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 169, DOMAIN_JOIN_TIME[ms]: 9571, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 270, DOMAIN_ISSUBSETEQ_APPLICATIONS: 18, DOMAIN_ISSUBSETEQ_TIME[ms]: 55, DOMAIN_ISBOTTOM_APPLICATIONS: 121, DOMAIN_ISBOTTOM_TIME[ms]: 450, LOOP_SUMMARIZER_APPLICATIONS: 17, LOOP_SUMMARIZER_CACHE_MISSES: 17, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 5895, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 5894, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 18, CALL_SUMMARIZER_APPLICATIONS: 127, CALL_SUMMARIZER_CACHE_MISSES: 20, CALL_SUMMARIZER_OVERALL_TIME[ms]: 11321, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 11320, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 8, PATH_EXPR_TIME[ms]: 8, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 52, DAG_COMPRESSION_PROCESSED_NODES: 737, DAG_COMPRESSION_RETAINED_NODES: 321 - UnprovableResult [Line: 759]: 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 1342#(and (not (= 0 ~methAndRunningLastTime~0)) (= |#t~string20.offset| 0) (= |#t~string21.offset| 0) (= |#t~string61.offset| 0) (= |#t~string55.offset| 0) (= |#t~string49.offset| 0) (= |#t~string29.offset| 0) (= |#t~string47.offset| 0) (= |#t~string57.offset| 0) (= |#t~string27.offset| 0) (= |#t~string67.offset| 0) (not (= ~pumpRunning~0 0)) (= |#t~string28.offset| 0) (= |#t~string19.offset| 0) (= ~head~0.base 0) (= |#t~string59.offset| 0) (not (= 0 ~methaneLevelCritical~0)) (= |#t~string32.offset| 0) (= |#t~string30.offset| 0) (= ~cleanupTimeShifts~0 4) (<= ~methaneLevelCritical~0 2147483647) (= |#t~string43.offset| 0) (= |#NULL.base| 0) (= |#t~string65.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#t~string18.offset| 0) (= |#t~string22.offset| 0) (= ~head~0.offset 0) (= |#t~string51.offset| 0) (= |#t~string63.offset| 0) (<= ~pumpRunning~0 2147483647) (= |#t~string31.offset| 0) (= |#t~string45.offset| 0) (= |#NULL.offset| 0) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (= |#t~string23.offset| 0) (= |#t~string53.offset| 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...