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 4 --sifa.sizelimitfluid.max.disjunctions 16 -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product28.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-ba7495b [2019-09-25 17:51:09,747 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-25 17:51:09,749 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-25 17:51:09,762 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-25 17:51:09,762 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-25 17:51:09,763 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-25 17:51:09,765 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-25 17:51:09,776 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-25 17:51:09,778 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-25 17:51:09,781 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-25 17:51:09,782 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-25 17:51:09,783 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-25 17:51:09,783 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-25 17:51:09,785 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-25 17:51:09,786 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-25 17:51:09,789 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-25 17:51:09,790 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-25 17:51:09,791 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-25 17:51:09,796 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-25 17:51:09,800 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-25 17:51:09,802 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-25 17:51:09,805 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-25 17:51:09,808 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-25 17:51:09,809 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-25 17:51:09,814 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-25 17:51:09,814 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-25 17:51:09,814 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-25 17:51:09,817 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-25 17:51:09,819 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-25 17:51:09,821 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-25 17:51:09,821 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-25 17:51:09,823 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-25 17:51:09,823 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-25 17:51:09,824 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-25 17:51:09,826 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-25 17:51:09,826 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-25 17:51:09,827 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-25 17:51:09,827 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-25 17:51:09,827 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-25 17:51:09,829 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-25 17:51:09,829 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-25 17:51:09,830 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 17:51:09,844 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-25 17:51:09,844 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-25 17:51:09,846 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-25 17:51:09,846 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-25 17:51:09,846 INFO L138 SettingsManager]: * Use SBE=true [2019-09-25 17:51:09,846 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-25 17:51:09,846 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-25 17:51:09,847 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-25 17:51:09,847 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-25 17:51:09,847 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-25 17:51:09,847 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-25 17:51:09,847 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-25 17:51:09,848 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-25 17:51:09,848 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-25 17:51:09,848 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-25 17:51:09,848 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-25 17:51:09,848 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-25 17:51:09,849 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-25 17:51:09,849 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-25 17:51:09,849 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-25 17:51:09,849 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-25 17:51:09,849 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 17:51:09,850 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-25 17:51:09,850 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-25 17:51:09,850 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-25 17:51:09,850 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-25 17:51:09,850 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-25 17:51:09,851 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-25 17:51:09,851 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 -> 4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: SizeLimitFluid Max. Disjunctions -> 16 [2019-09-25 17:51:09,882 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-25 17:51:09,896 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-25 17:51:09,899 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-25 17:51:09,901 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-25 17:51:09,901 INFO L275 PluginConnector]: CDTParser initialized [2019-09-25 17:51:09,902 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product28.cil.c [2019-09-25 17:51:09,965 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76a32ffce/3e523fd0da774bbda0cbf6ecbe4ca888/FLAG2a6ee572c [2019-09-25 17:51:10,468 INFO L306 CDTParser]: Found 1 translation units. [2019-09-25 17:51:10,469 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product28.cil.c [2019-09-25 17:51:10,489 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76a32ffce/3e523fd0da774bbda0cbf6ecbe4ca888/FLAG2a6ee572c [2019-09-25 17:51:10,799 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76a32ffce/3e523fd0da774bbda0cbf6ecbe4ca888 [2019-09-25 17:51:10,810 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-25 17:51:10,812 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-25 17:51:10,813 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-25 17:51:10,813 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-25 17:51:10,818 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-25 17:51:10,819 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:51:10" (1/1) ... [2019-09-25 17:51:10,821 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 05:51:10, skipping insertion in model container [2019-09-25 17:51:10,822 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:51:10" (1/1) ... [2019-09-25 17:51:10,829 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-25 17:51:10,895 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-25 17:51:11,314 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:51:11,328 INFO L188 MainTranslator]: Completed pre-run [2019-09-25 17:51:11,412 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:51:11,464 INFO L192 MainTranslator]: Completed translation [2019-09-25 17:51:11,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:51:11 WrapperNode [2019-09-25 17:51:11,465 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-25 17:51:11,465 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-25 17:51:11,465 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-25 17:51:11,466 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-25 17:51:11,481 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:51:11" (1/1) ... [2019-09-25 17:51:11,481 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:51:11" (1/1) ... [2019-09-25 17:51:11,526 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:51:11" (1/1) ... [2019-09-25 17:51:11,526 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:51:11" (1/1) ... [2019-09-25 17:51:11,561 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:51:11" (1/1) ... [2019-09-25 17:51:11,571 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:51:11" (1/1) ... [2019-09-25 17:51:11,577 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:51:11" (1/1) ... [2019-09-25 17:51:11,589 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-25 17:51:11,589 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-25 17:51:11,589 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-25 17:51:11,590 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-25 17:51:11,591 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:51:11" (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 17:51:11,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-25 17:51:11,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-25 17:51:11,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-25 17:51:11,650 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-25 17:51:11,650 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-25 17:51:11,651 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-25 17:51:11,651 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-25 17:51:11,651 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-25 17:51:11,651 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-25 17:51:11,651 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-25 17:51:11,651 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-25 17:51:11,652 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-25 17:51:11,652 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-25 17:51:11,652 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-25 17:51:11,652 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-25 17:51:11,652 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-25 17:51:11,653 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-25 17:51:11,653 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-25 17:51:11,653 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-25 17:51:11,653 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-25 17:51:11,653 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-25 17:51:11,653 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-25 17:51:11,654 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-25 17:51:11,654 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-25 17:51:11,654 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-25 17:51:11,654 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-25 17:51:11,654 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-25 17:51:11,654 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-25 17:51:11,655 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-25 17:51:11,655 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-25 17:51:11,655 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-25 17:51:11,655 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-25 17:51:11,655 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-25 17:51:11,655 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-25 17:51:11,656 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-25 17:51:11,656 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-25 17:51:11,656 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-25 17:51:11,656 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-25 17:51:11,656 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-25 17:51:11,656 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-25 17:51:11,657 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-25 17:51:11,657 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-25 17:51:11,657 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-25 17:51:11,657 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-25 17:51:11,657 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-25 17:51:11,657 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-25 17:51:11,657 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-25 17:51:11,658 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-25 17:51:11,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-25 17:51:11,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-25 17:51:11,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-25 17:51:11,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-25 17:51:11,658 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-25 17:51:11,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-25 17:51:11,659 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-25 17:51:11,659 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-25 17:51:11,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-25 17:51:11,659 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-25 17:51:11,659 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-25 17:51:11,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-25 17:51:11,660 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-25 17:51:11,660 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-25 17:51:11,661 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-25 17:51:11,661 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-25 17:51:11,661 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-25 17:51:11,661 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-25 17:51:11,661 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-25 17:51:11,662 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-25 17:51:11,662 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-25 17:51:11,662 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-25 17:51:11,662 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-25 17:51:11,662 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-25 17:51:11,662 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-25 17:51:11,663 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-25 17:51:11,663 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-25 17:51:11,663 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-25 17:51:11,663 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-25 17:51:11,663 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-25 17:51:11,663 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-25 17:51:11,664 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-25 17:51:11,664 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-25 17:51:11,664 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-25 17:51:11,664 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-25 17:51:11,665 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-25 17:51:11,665 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-25 17:51:11,665 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-25 17:51:11,665 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-25 17:51:11,665 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-25 17:51:11,666 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-25 17:51:11,666 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-25 17:51:11,666 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-25 17:51:11,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-25 17:51:11,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-25 17:51:11,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-25 17:51:13,182 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-25 17:51:13,182 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-25 17:51:13,184 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:51:13 BoogieIcfgContainer [2019-09-25 17:51:13,184 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-25 17:51:13,185 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-25 17:51:13,185 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-25 17:51:13,185 INFO L275 PluginConnector]: Sifa initialized [2019-09-25 17:51:13,187 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:51:13" (1/1) ... [2019-09-25 17:51:13,187 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=ExplicitValueDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=4 ♦ 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=16 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-09-25 17:51:13,215 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-25 17:51:13,219 INFO L169 IcfgInterpreter]: Building call graph [2019-09-25 17:51:13,234 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-25 17:51:13,248 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-25 17:51:13,250 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-25 17:51:22,465 WARN L191 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-09-25 17:51:24,360 WARN L191 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-25 17:51:24,506 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-25 17:51:24,671 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-25 17:51:24,788 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-25 17:51:24,804 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 480 for LOIs [2019-09-25 17:51:24,849 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 480 for LOIs [2019-09-25 17:51:24,855 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 480 for LOIs [2019-09-25 17:51:25,043 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 484 [2019-09-25 17:51:25,185 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 484 [2019-09-25 17:51:25,587 WARN L191 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-25 17:51:26,040 WARN L191 SmtUtils]: Spent 448.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-25 17:51:26,326 WARN L191 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-25 17:51:26,698 WARN L191 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-25 17:51:26,918 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-25 17:51:27,222 WARN L191 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-25 17:51:27,414 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-25 17:51:27,677 WARN L191 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-25 17:51:27,857 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-25 17:51:28,104 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-25 17:51:28,276 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-25 17:51:28,508 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-25 17:51:28,686 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-25 17:51:28,931 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-25 17:51:29,102 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-25 17:51:29,335 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-25 17:51:29,492 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-25 17:51:29,737 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-25 17:51:29,905 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-25 17:51:30,191 WARN L191 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-25 17:51:30,679 WARN L191 SmtUtils]: Spent 443.00 ms on a formula simplification that was a NOOP. DAG size: 512 [2019-09-25 17:51:32,461 WARN L191 SmtUtils]: Spent 478.00 ms on a formula simplification that was a NOOP. DAG size: 512 [2019-09-25 17:51:33,920 WARN L191 SmtUtils]: Spent 481.00 ms on a formula simplification that was a NOOP. DAG size: 512 [2019-09-25 17:51:35,185 WARN L191 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 512 [2019-09-25 17:51:36,876 WARN L191 SmtUtils]: Spent 696.00 ms on a formula simplification that was a NOOP. DAG size: 512 [2019-09-25 17:51:37,857 WARN L191 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 536 [2019-09-25 17:51:38,127 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 536 [2019-09-25 17:51:38,869 WARN L191 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 536 [2019-09-25 17:51:39,133 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 536 [2019-09-25 17:51:40,214 WARN L191 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 512 [2019-09-25 17:51:41,130 WARN L191 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 536 [2019-09-25 17:51:41,396 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 536 [2019-09-25 17:51:42,024 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 536 [2019-09-25 17:51:42,303 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 536 [2019-09-25 17:51:42,639 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-25 17:51:42,641 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 78 for LOIs [2019-09-25 17:51:42,702 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 63 for LOIs [2019-09-25 17:51:42,706 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 73 for LOIs [2019-09-25 17:51:42,717 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-25 17:51:42,717 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-25 17:51:42,719 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 2079#(and (= |#t~string50.offset| 0) (= |#t~string20.offset| 0) (= |#t~string21.offset| 0) (= |#t~string61.offset| 0) (= |#t~string44.offset| 0) (= |#t~string56.offset| 0) (= |#t~string29.offset| 0) (= |#t~string42.offset| 0) (= |#t~string67.offset| 0) (= |#t~string27.offset| 0) (= |#t~string54.offset| 0) (not (= ~pumpRunning~0 0)) (= |#t~string28.offset| 0) (= |#t~string19.offset| 0) (= ~head~0.base 0) (= |#t~string59.offset| 0) (= |#t~string46.offset| 0) (= |#t~string32.offset| 0) (= |#t~string30.offset| 0) (= ~cleanupTimeShifts~0 4) (= 0 ~waterLevel~0) (= |#t~string52.offset| 0) (= |#NULL.base| 0) (= |#t~string65.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#t~string18.offset| 0) (= |#t~string22.offset| 0) (= |#t~string48.offset| 0) (= ~head~0.offset 0) (= |#t~string63.offset| 0) (<= ~pumpRunning~0 2147483647) (= |#t~string31.offset| 0) (= |#NULL.offset| 0) (= |#t~string23.offset| 0)) [2019-09-25 17:51:42,738 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-25 17:51:42,738 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-25 17:51:42,740 INFO L168 Benchmark]: Toolchain (without parser) took 31928.19 ms. Allocated memory was 131.1 MB in the beginning and 997.7 MB in the end (delta: 866.6 MB). Free memory was 85.9 MB in the beginning and 589.6 MB in the end (delta: -503.8 MB). Peak memory consumption was 362.9 MB. Max. memory is 7.1 GB. [2019-09-25 17:51:42,741 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 131.1 MB. Free memory was 105.3 MB in the beginning and 105.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-25 17:51:42,742 INFO L168 Benchmark]: CACSL2BoogieTranslator took 652.16 ms. Allocated memory was 131.1 MB in the beginning and 199.2 MB in the end (delta: 68.2 MB). Free memory was 85.6 MB in the beginning and 163.8 MB in the end (delta: -78.2 MB). Peak memory consumption was 27.7 MB. Max. memory is 7.1 GB. [2019-09-25 17:51:42,742 INFO L168 Benchmark]: Boogie Preprocessor took 123.54 ms. Allocated memory is still 199.2 MB. Free memory was 163.8 MB in the beginning and 159.9 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2019-09-25 17:51:42,743 INFO L168 Benchmark]: RCFGBuilder took 1595.18 ms. Allocated memory was 199.2 MB in the beginning and 219.7 MB in the end (delta: 20.4 MB). Free memory was 159.9 MB in the beginning and 143.6 MB in the end (delta: 16.3 MB). Peak memory consumption was 93.9 MB. Max. memory is 7.1 GB. [2019-09-25 17:51:42,744 INFO L168 Benchmark]: Sifa took 29553.40 ms. Allocated memory was 219.7 MB in the beginning and 997.7 MB in the end (delta: 778.0 MB). Free memory was 143.6 MB in the beginning and 589.6 MB in the end (delta: -446.1 MB). Peak memory consumption was 332.0 MB. Max. memory is 7.1 GB. [2019-09-25 17:51:42,750 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 131.1 MB. Free memory was 105.3 MB in the beginning and 105.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 652.16 ms. Allocated memory was 131.1 MB in the beginning and 199.2 MB in the end (delta: 68.2 MB). Free memory was 85.6 MB in the beginning and 163.8 MB in the end (delta: -78.2 MB). Peak memory consumption was 27.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 123.54 ms. Allocated memory is still 199.2 MB. Free memory was 163.8 MB in the beginning and 159.9 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1595.18 ms. Allocated memory was 199.2 MB in the beginning and 219.7 MB in the end (delta: 20.4 MB). Free memory was 159.9 MB in the beginning and 143.6 MB in the end (delta: 16.3 MB). Peak memory consumption was 93.9 MB. Max. memory is 7.1 GB. * Sifa took 29553.40 ms. Allocated memory was 219.7 MB in the beginning and 997.7 MB in the end (delta: 778.0 MB). Free memory was 143.6 MB in the beginning and 589.6 MB in the end (delta: -446.1 MB). Peak memory consumption was 332.0 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]: 29504, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 850, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 572, TOOLS_POST_TIME[ms]: 11424, TOOLS_POST_CALL_APPLICATIONS: 217, TOOLS_POST_CALL_TIME[ms]: 374, TOOLS_POST_RETURN_APPLICATIONS: 210, TOOLS_POST_RETURN_TIME[ms]: 201, TOOLS_QUANTIFIERELIM_APPLICATIONS: 998, TOOLS_QUANTIFIERELIM_TIME[ms]: 11747, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 11169, FLUID_QUERY_TIME[ms]: 25, FLUID_QUERIES: 888, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 258, DOMAIN_JOIN_TIME[ms]: 16406, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 16, DOMAIN_WIDEN_TIME[ms]: 265, DOMAIN_ISSUBSETEQ_APPLICATIONS: 38, DOMAIN_ISSUBSETEQ_TIME[ms]: 79, DOMAIN_ISBOTTOM_APPLICATIONS: 151, DOMAIN_ISBOTTOM_TIME[ms]: 505, LOOP_SUMMARIZER_APPLICATIONS: 22, LOOP_SUMMARIZER_CACHE_MISSES: 22, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 6129, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 6128, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 38, CALL_SUMMARIZER_APPLICATIONS: 210, CALL_SUMMARIZER_CACHE_MISSES: 22, CALL_SUMMARIZER_OVERALL_TIME[ms]: 11648, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 11646, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 10, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 45, DAG_COMPRESSION_PROCESSED_NODES: 728, DAG_COMPRESSION_RETAINED_NODES: 371 - UnprovableResult [Line: 44]: 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 2079#(and (= |#t~string50.offset| 0) (= |#t~string20.offset| 0) (= |#t~string21.offset| 0) (= |#t~string61.offset| 0) (= |#t~string44.offset| 0) (= |#t~string56.offset| 0) (= |#t~string29.offset| 0) (= |#t~string42.offset| 0) (= |#t~string67.offset| 0) (= |#t~string27.offset| 0) (= |#t~string54.offset| 0) (not (= ~pumpRunning~0 0)) (= |#t~string28.offset| 0) (= |#t~string19.offset| 0) (= ~head~0.base 0) (= |#t~string59.offset| 0) (= |#t~string46.offset| 0) (= |#t~string32.offset| 0) (= |#t~string30.offset| 0) (= ~cleanupTimeShifts~0 4) (= 0 ~waterLevel~0) (= |#t~string52.offset| 0) (= |#NULL.base| 0) (= |#t~string65.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#t~string18.offset| 0) (= |#t~string22.offset| 0) (= |#t~string48.offset| 0) (= ~head~0.offset 0) (= |#t~string63.offset| 0) (<= ~pumpRunning~0 2147483647) (= |#t~string31.offset| 0) (= |#NULL.offset| 0) (= |#t~string23.offset| 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...