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_spec1_product64.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-ba7495b [2019-09-25 17:47:41,709 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-25 17:47:41,712 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-25 17:47:41,723 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-25 17:47:41,724 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-25 17:47:41,725 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-25 17:47:41,726 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-25 17:47:41,728 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-25 17:47:41,730 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-25 17:47:41,731 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-25 17:47:41,732 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-25 17:47:41,733 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-25 17:47:41,734 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-25 17:47:41,735 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-25 17:47:41,736 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-25 17:47:41,737 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-25 17:47:41,738 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-25 17:47:41,739 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-25 17:47:41,741 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-25 17:47:41,743 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-25 17:47:41,745 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-25 17:47:41,746 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-25 17:47:41,748 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-25 17:47:41,749 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-25 17:47:41,751 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-25 17:47:41,752 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-25 17:47:41,752 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-25 17:47:41,753 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-25 17:47:41,753 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-25 17:47:41,755 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-25 17:47:41,755 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-25 17:47:41,756 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-25 17:47:41,757 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-25 17:47:41,758 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-25 17:47:41,759 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-25 17:47:41,759 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-25 17:47:41,760 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-25 17:47:41,760 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-25 17:47:41,760 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-25 17:47:41,761 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-25 17:47:41,762 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-25 17:47:41,763 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 17:47:41,778 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-25 17:47:41,778 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-25 17:47:41,779 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-25 17:47:41,780 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-25 17:47:41,780 INFO L138 SettingsManager]: * Use SBE=true [2019-09-25 17:47:41,780 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-25 17:47:41,780 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-25 17:47:41,781 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-25 17:47:41,781 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-25 17:47:41,781 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-25 17:47:41,781 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-25 17:47:41,781 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-25 17:47:41,782 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-25 17:47:41,782 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-25 17:47:41,782 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-25 17:47:41,782 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-25 17:47:41,782 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-25 17:47:41,783 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-25 17:47:41,783 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-25 17:47:41,783 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-25 17:47:41,783 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-25 17:47:41,783 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 17:47:41,784 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-25 17:47:41,784 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-25 17:47:41,784 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-25 17:47:41,784 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-25 17:47:41,784 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-25 17:47:41,785 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-25 17:47:41,785 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 17:47:41,817 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-25 17:47:41,830 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-25 17:47:41,834 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-25 17:47:41,835 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-25 17:47:41,836 INFO L275 PluginConnector]: CDTParser initialized [2019-09-25 17:47:41,836 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product64.cil.c [2019-09-25 17:47:41,899 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27a600d86/3831fbcf7d5e4b8aaa9c7112b7660b8f/FLAGd136f7103 [2019-09-25 17:47:42,419 INFO L306 CDTParser]: Found 1 translation units. [2019-09-25 17:47:42,420 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product64.cil.c [2019-09-25 17:47:42,442 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27a600d86/3831fbcf7d5e4b8aaa9c7112b7660b8f/FLAGd136f7103 [2019-09-25 17:47:42,740 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27a600d86/3831fbcf7d5e4b8aaa9c7112b7660b8f [2019-09-25 17:47:42,753 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-25 17:47:42,755 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-25 17:47:42,756 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-25 17:47:42,756 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-25 17:47:42,760 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-25 17:47:42,761 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:47:42" (1/1) ... [2019-09-25 17:47:42,764 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bb33164 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:47:42, skipping insertion in model container [2019-09-25 17:47:42,764 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:47:42" (1/1) ... [2019-09-25 17:47:42,773 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-25 17:47:42,844 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-25 17:47:43,335 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:47:43,364 INFO L188 MainTranslator]: Completed pre-run [2019-09-25 17:47:43,454 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:47:43,493 INFO L192 MainTranslator]: Completed translation [2019-09-25 17:47:43,493 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:47:43 WrapperNode [2019-09-25 17:47:43,493 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-25 17:47:43,494 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-25 17:47:43,494 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-25 17:47:43,494 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-25 17:47:43,505 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:47:43" (1/1) ... [2019-09-25 17:47:43,506 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:47:43" (1/1) ... [2019-09-25 17:47:43,525 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:47:43" (1/1) ... [2019-09-25 17:47:43,525 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:47:43" (1/1) ... [2019-09-25 17:47:43,554 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:47:43" (1/1) ... [2019-09-25 17:47:43,564 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:47:43" (1/1) ... [2019-09-25 17:47:43,569 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:47:43" (1/1) ... [2019-09-25 17:47:43,577 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-25 17:47:43,578 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-25 17:47:43,578 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-25 17:47:43,578 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-25 17:47:43,579 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:47:43" (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 17:47:43,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-25 17:47:43,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-25 17:47:43,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-25 17:47:43,642 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-25 17:47:43,643 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-25 17:47:43,643 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-25 17:47:43,643 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-25 17:47:43,643 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-25 17:47:43,643 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-09-25 17:47:43,643 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-25 17:47:43,644 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-25 17:47:43,644 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-25 17:47:43,644 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-25 17:47:43,644 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-25 17:47:43,644 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-25 17:47:43,645 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-25 17:47:43,645 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-25 17:47:43,645 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-25 17:47:43,645 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-25 17:47:43,645 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-25 17:47:43,645 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-25 17:47:43,646 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-25 17:47:43,646 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-25 17:47:43,646 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-09-25 17:47:43,646 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-25 17:47:43,646 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-25 17:47:43,647 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-25 17:47:43,647 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-25 17:47:43,647 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-25 17:47:43,647 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-25 17:47:43,647 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-25 17:47:43,647 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-25 17:47:43,647 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-25 17:47:43,648 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-25 17:47:43,648 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-25 17:47:43,648 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-25 17:47:43,648 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-25 17:47:43,648 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-25 17:47:43,648 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-25 17:47:43,649 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-25 17:47:43,649 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-25 17:47:43,649 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-25 17:47:43,649 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-25 17:47:43,649 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-25 17:47:43,649 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-25 17:47:43,650 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-25 17:47:43,650 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-25 17:47:43,650 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-25 17:47:43,650 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-25 17:47:43,650 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-25 17:47:43,650 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-25 17:47:43,650 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-25 17:47:43,651 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-25 17:47:43,651 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-25 17:47:43,651 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-09-25 17:47:43,651 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-25 17:47:43,651 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-25 17:47:43,652 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-25 17:47:43,652 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-25 17:47:43,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-25 17:47:43,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-25 17:47:43,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-25 17:47:43,652 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-25 17:47:43,652 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-25 17:47:43,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-25 17:47:43,653 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-25 17:47:43,653 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-25 17:47:43,653 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-25 17:47:43,653 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-25 17:47:43,653 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-25 17:47:43,654 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-25 17:47:43,654 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-25 17:47:43,654 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-25 17:47:43,654 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-25 17:47:43,654 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-25 17:47:43,654 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-25 17:47:43,655 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-25 17:47:43,655 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-25 17:47:43,655 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-25 17:47:43,655 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-25 17:47:43,655 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-25 17:47:43,655 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-25 17:47:43,656 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-25 17:47:43,656 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-25 17:47:43,656 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-25 17:47:43,656 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-25 17:47:43,656 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-25 17:47:43,656 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-25 17:47:43,657 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-25 17:47:43,657 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-25 17:47:43,657 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-25 17:47:43,657 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-25 17:47:43,657 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-25 17:47:43,657 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-25 17:47:43,657 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-25 17:47:43,658 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-09-25 17:47:43,658 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-25 17:47:43,658 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-25 17:47:43,658 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-25 17:47:43,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-25 17:47:43,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-25 17:47:43,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-25 17:47:45,328 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-25 17:47:45,329 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-25 17:47:45,330 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:47:45 BoogieIcfgContainer [2019-09-25 17:47:45,330 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-25 17:47:45,331 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-25 17:47:45,331 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-25 17:47:45,331 INFO L275 PluginConnector]: Sifa initialized [2019-09-25 17:47:45,333 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:47:45" (1/1) ... [2019-09-25 17:47:45,333 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 17:47:45,362 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-25 17:47:45,363 INFO L169 IcfgInterpreter]: Building call graph [2019-09-25 17:47:45,378 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-25 17:47:45,390 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-25 17:47:45,392 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-25 17:47:55,937 WARN L191 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-09-25 17:47:57,575 WARN L191 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-25 17:47:57,722 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-25 17:47:57,842 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-25 17:47:57,983 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-25 17:47:58,005 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 480 for LOIs [2019-09-25 17:47:58,059 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 480 for LOIs [2019-09-25 17:47:58,065 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 480 for LOIs [2019-09-25 17:47:58,259 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 484 [2019-09-25 17:47:58,409 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 484 [2019-09-25 17:47:58,787 WARN L191 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-25 17:47:59,295 WARN L191 SmtUtils]: Spent 503.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-25 17:47:59,602 WARN L191 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-25 17:47:59,925 WARN L191 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-25 17:48:00,162 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-25 17:48:00,403 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-25 17:48:00,597 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-25 17:48:00,853 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-25 17:48:01,354 WARN L191 SmtUtils]: Spent 453.00 ms on a formula simplification that was a NOOP. DAG size: 512 [2019-09-25 17:48:02,678 WARN L191 SmtUtils]: Spent 669.00 ms on a formula simplification that was a NOOP. DAG size: 512 [2019-09-25 17:48:03,138 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 521 [2019-09-25 17:48:03,253 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 519 [2019-09-25 17:48:03,394 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 519 [2019-09-25 17:48:03,499 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 519 [2019-09-25 17:48:03,992 WARN L191 SmtUtils]: Spent 443.00 ms on a formula simplification that was a NOOP. DAG size: 512 [2019-09-25 17:48:04,710 WARN L191 SmtUtils]: Spent 440.00 ms on a formula simplification that was a NOOP. DAG size: 512 [2019-09-25 17:48:05,018 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-25 17:48:05,021 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 78 for LOIs [2019-09-25 17:48:05,115 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification1_spec__1 with input of size 63 for LOIs [2019-09-25 17:48:05,121 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 77 for LOIs [2019-09-25 17:48:05,131 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-25 17:48:05,131 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-25 17:48:05,134 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 603#(and (= |#t~string26.offset| 0) (= |#t~string21.offset| 0) (= |#t~string55.offset| 0) (= |#t~string49.offset| 0) (= |#t~string47.offset| 0) (= |#t~string34.offset| 0) (= |#t~string57.offset| 0) (= |#t~string67.offset| 0) (= |#t~string35.offset| 0) (not (= ~pumpRunning~0 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) (= |#NULL.base| 0) (= |#t~string33.offset| 0) (= |#t~string71.offset| 0) (= |#t~string65.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#t~string25.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) (= |#t~string69.offset| 0) (= |#t~string24.offset| 0) (= |#NULL.offset| 0) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (= |#t~string23.offset| 0) (= |#t~string53.offset| 0)) [2019-09-25 17:48:05,150 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-25 17:48:05,150 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-25 17:48:05,152 INFO L168 Benchmark]: Toolchain (without parser) took 22397.47 ms. Allocated memory was 133.2 MB in the beginning and 669.0 MB in the end (delta: 535.8 MB). Free memory was 88.0 MB in the beginning and 154.8 MB in the end (delta: -66.8 MB). Peak memory consumption was 469.1 MB. Max. memory is 7.1 GB. [2019-09-25 17:48:05,154 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 133.2 MB. Free memory was 107.4 MB in the beginning and 107.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-25 17:48:05,159 INFO L168 Benchmark]: CACSL2BoogieTranslator took 738.11 ms. Allocated memory was 133.2 MB in the beginning and 200.3 MB in the end (delta: 67.1 MB). Free memory was 87.8 MB in the beginning and 163.8 MB in the end (delta: -76.0 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. [2019-09-25 17:48:05,161 INFO L168 Benchmark]: Boogie Preprocessor took 83.25 ms. Allocated memory is still 200.3 MB. Free memory was 163.8 MB in the beginning and 159.5 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-09-25 17:48:05,162 INFO L168 Benchmark]: RCFGBuilder took 1752.87 ms. Allocated memory was 200.3 MB in the beginning and 224.9 MB in the end (delta: 24.6 MB). Free memory was 159.5 MB in the beginning and 136.4 MB in the end (delta: 23.1 MB). Peak memory consumption was 88.4 MB. Max. memory is 7.1 GB. [2019-09-25 17:48:05,163 INFO L168 Benchmark]: Sifa took 19819.24 ms. Allocated memory was 224.9 MB in the beginning and 669.0 MB in the end (delta: 444.1 MB). Free memory was 136.4 MB in the beginning and 154.8 MB in the end (delta: -18.4 MB). Peak memory consumption was 425.7 MB. Max. memory is 7.1 GB. [2019-09-25 17:48:05,176 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 133.2 MB. Free memory was 107.4 MB in the beginning and 107.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 738.11 ms. Allocated memory was 133.2 MB in the beginning and 200.3 MB in the end (delta: 67.1 MB). Free memory was 87.8 MB in the beginning and 163.8 MB in the end (delta: -76.0 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 83.25 ms. Allocated memory is still 200.3 MB. Free memory was 163.8 MB in the beginning and 159.5 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1752.87 ms. Allocated memory was 200.3 MB in the beginning and 224.9 MB in the end (delta: 24.6 MB). Free memory was 159.5 MB in the beginning and 136.4 MB in the end (delta: 23.1 MB). Peak memory consumption was 88.4 MB. Max. memory is 7.1 GB. * Sifa took 19819.24 ms. Allocated memory was 224.9 MB in the beginning and 669.0 MB in the end (delta: 444.1 MB). Free memory was 136.4 MB in the beginning and 154.8 MB in the end (delta: -18.4 MB). Peak memory consumption was 425.7 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]: 19772, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 270, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 173, TOOLS_POST_TIME[ms]: 12347, TOOLS_POST_CALL_APPLICATIONS: 79, TOOLS_POST_CALL_TIME[ms]: 195, TOOLS_POST_RETURN_APPLICATIONS: 72, TOOLS_POST_RETURN_TIME[ms]: 103, TOOLS_QUANTIFIERELIM_APPLICATIONS: 323, TOOLS_QUANTIFIERELIM_TIME[ms]: 12530, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 12255, FLUID_QUERY_TIME[ms]: 14, FLUID_QUERIES: 274, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 89, DOMAIN_JOIN_TIME[ms]: 6748, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 4, DOMAIN_ISSUBSETEQ_TIME[ms]: 12, DOMAIN_ISBOTTOM_APPLICATIONS: 49, DOMAIN_ISBOTTOM_TIME[ms]: 176, LOOP_SUMMARIZER_APPLICATIONS: 4, LOOP_SUMMARIZER_CACHE_MISSES: 4, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 1135, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1134, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 4, CALL_SUMMARIZER_APPLICATIONS: 72, CALL_SUMMARIZER_CACHE_MISSES: 29, CALL_SUMMARIZER_OVERALL_TIME[ms]: 12701, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12701, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 8, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 42, DAG_COMPRESSION_PROCESSED_NODES: 509, DAG_COMPRESSION_RETAINED_NODES: 279 - 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 603#(and (= |#t~string26.offset| 0) (= |#t~string21.offset| 0) (= |#t~string55.offset| 0) (= |#t~string49.offset| 0) (= |#t~string47.offset| 0) (= |#t~string34.offset| 0) (= |#t~string57.offset| 0) (= |#t~string67.offset| 0) (= |#t~string35.offset| 0) (not (= ~pumpRunning~0 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) (= |#NULL.base| 0) (= |#t~string33.offset| 0) (= |#t~string71.offset| 0) (= |#t~string65.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#t~string25.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) (= |#t~string69.offset| 0) (= |#t~string24.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...