/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product28.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 10:49:46,571 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 10:49:46,574 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 10:49:46,592 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 10:49:46,592 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 10:49:46,594 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 10:49:46,596 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 10:49:46,606 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 10:49:46,610 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 10:49:46,614 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 10:49:46,615 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 10:49:46,617 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 10:49:46,617 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 10:49:46,619 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 10:49:46,621 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 10:49:46,623 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 10:49:46,624 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 10:49:46,625 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 10:49:46,627 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 10:49:46,631 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 10:49:46,635 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 10:49:46,638 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 10:49:46,641 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 10:49:46,642 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 10:49:46,644 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 10:49:46,644 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 10:49:46,644 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 10:49:46,646 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 10:49:46,646 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 10:49:46,648 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 10:49:46,648 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 10:49:46,649 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 10:49:46,650 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 10:49:46,651 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 10:49:46,653 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 10:49:46,653 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 10:49:46,654 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 10:49:46,654 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 10:49:46,654 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 10:49:46,655 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 10:49:46,655 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 10:49:46,656 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-07 10:49:46,684 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 10:49:46,684 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 10:49:46,689 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 10:49:46,689 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 10:49:46,689 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 10:49:46,694 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 10:49:46,695 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 10:49:46,695 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 10:49:46,695 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 10:49:46,695 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 10:49:46,695 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 10:49:46,695 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 10:49:46,696 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 10:49:46,696 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 10:49:46,696 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 10:49:46,696 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 10:49:46,696 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 10:49:46,697 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 10:49:46,697 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 10:49:46,697 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 10:49:46,697 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 10:49:46,697 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 10:49:46,698 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 10:49:46,698 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 10:49:46,698 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 10:49:46,698 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 10:49:46,698 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 10:49:46,699 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 10:49:46,699 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-11-07 10:49:46,972 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 10:49:46,994 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 10:49:46,997 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 10:49:46,999 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 10:49:46,999 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 10:49:47,000 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product28.cil.c [2019-11-07 10:49:47,073 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c5a1f793/dc369a9fef4c41be8323f01f774c83f8/FLAG2e1d0c85f [2019-11-07 10:49:47,608 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 10:49:47,609 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product28.cil.c [2019-11-07 10:49:47,626 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c5a1f793/dc369a9fef4c41be8323f01f774c83f8/FLAG2e1d0c85f [2019-11-07 10:49:47,854 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c5a1f793/dc369a9fef4c41be8323f01f774c83f8 [2019-11-07 10:49:47,863 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 10:49:47,864 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 10:49:47,865 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 10:49:47,865 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 10:49:47,869 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 10:49:47,870 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:49:47" (1/1) ... [2019-11-07 10:49:47,872 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2983cbdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:49:47, skipping insertion in model container [2019-11-07 10:49:47,873 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:49:47" (1/1) ... [2019-11-07 10:49:47,880 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 10:49:47,941 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 10:49:48,423 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 10:49:48,451 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 10:49:48,528 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 10:49:48,561 INFO L192 MainTranslator]: Completed translation [2019-11-07 10:49:48,561 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:49:48 WrapperNode [2019-11-07 10:49:48,561 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 10:49:48,562 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 10:49:48,562 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 10:49:48,562 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 10:49:48,576 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:49:48" (1/1) ... [2019-11-07 10:49:48,576 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:49:48" (1/1) ... [2019-11-07 10:49:48,595 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:49:48" (1/1) ... [2019-11-07 10:49:48,596 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:49:48" (1/1) ... [2019-11-07 10:49:48,629 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:49:48" (1/1) ... [2019-11-07 10:49:48,640 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:49:48" (1/1) ... [2019-11-07 10:49:48,646 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:49:48" (1/1) ... [2019-11-07 10:49:48,654 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 10:49:48,654 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 10:49:48,654 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 10:49:48,655 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 10:49:48,656 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:49:48" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 10:49:48,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 10:49:48,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 10:49:48,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 10:49:48,716 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 10:49:48,716 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 10:49:48,716 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 10:49:48,716 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 10:49:48,717 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 10:49:48,718 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 10:49:48,718 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 10:49:48,718 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-11-07 10:49:48,718 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 10:49:48,719 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 10:49:48,719 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 10:49:48,720 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 10:49:48,720 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-07 10:49:48,721 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-07 10:49:48,722 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-11-07 10:49:48,722 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-11-07 10:49:48,722 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-11-07 10:49:48,722 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-07 10:49:48,722 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-11-07 10:49:48,722 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-11-07 10:49:48,723 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-11-07 10:49:48,723 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-11-07 10:49:48,723 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-11-07 10:49:48,723 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-11-07 10:49:48,723 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-11-07 10:49:48,723 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-07 10:49:48,723 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-07 10:49:48,724 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-07 10:49:48,725 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-11-07 10:49:48,725 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-11-07 10:49:48,725 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-11-07 10:49:48,726 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-07 10:49:48,726 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-11-07 10:49:48,726 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 10:49:48,726 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-11-07 10:49:48,726 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 10:49:48,726 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 10:49:48,726 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 10:49:48,727 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 10:49:48,727 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 10:49:48,727 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 10:49:48,727 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 10:49:48,727 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 10:49:48,727 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 10:49:48,727 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 10:49:48,728 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 10:49:48,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 10:49:48,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 10:49:48,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 10:49:48,728 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 10:49:48,728 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 10:49:48,728 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 10:49:48,729 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 10:49:48,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 10:49:48,729 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 10:49:48,729 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 10:49:48,729 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 10:49:48,729 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 10:49:48,730 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-11-07 10:49:48,730 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-11-07 10:49:48,730 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-11-07 10:49:48,730 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 10:49:48,730 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 10:49:48,731 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 10:49:48,731 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 10:49:48,731 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-11-07 10:49:48,731 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-07 10:49:48,731 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-11-07 10:49:48,732 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-11-07 10:49:48,732 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-07 10:49:48,733 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-11-07 10:49:48,733 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-07 10:49:48,733 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-11-07 10:49:48,733 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-11-07 10:49:48,734 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-11-07 10:49:48,734 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-11-07 10:49:48,734 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-07 10:49:48,735 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-11-07 10:49:48,735 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-11-07 10:49:48,735 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-11-07 10:49:48,736 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-07 10:49:48,736 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-07 10:49:48,736 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-07 10:49:48,736 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-11-07 10:49:48,737 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 10:49:48,737 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 10:49:48,737 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-11-07 10:49:48,738 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 10:49:48,738 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 10:49:48,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 10:49:48,738 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 10:49:50,221 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 10:49:50,221 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-07 10:49:50,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:49:50 BoogieIcfgContainer [2019-11-07 10:49:50,223 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 10:49:50,223 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-07 10:49:50,224 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-07 10:49:50,224 INFO L275 PluginConnector]: Sifa initialized [2019-11-07 10:49:50,225 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:49:50" (1/1) ... [2019-11-07 10:49:50,226 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-11-07 10:49:50,254 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-07 10:49:50,255 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 10:49:50,265 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 10:49:50,277 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 10:49:50,278 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-07 10:49:59,056 WARN L191 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-11-07 10:50:00,831 WARN L191 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-11-07 10:50:00,978 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-11-07 10:50:00,996 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 480 for LOIs [2019-11-07 10:50:01,036 INFO L197 IcfgInterpreter]: Interpreting procedure runTest with input of size 480 for LOIs [2019-11-07 10:50:01,042 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 480 for LOIs [2019-11-07 10:50:01,585 WARN L191 SmtUtils]: Spent 459.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-11-07 10:50:01,885 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2019-11-07 10:50:02,209 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2019-11-07 10:50:02,426 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 179 [2019-11-07 10:50:02,711 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 200 [2019-11-07 10:50:03,280 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 170 [2019-11-07 10:50:03,608 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 175 [2019-11-07 10:50:03,777 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 203 [2019-11-07 10:50:05,545 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 196 [2019-11-07 10:50:07,688 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 611 DAG size of output: 608 [2019-11-07 10:50:07,945 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 611 DAG size of output: 608 [2019-11-07 10:50:10,191 INFO L197 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-11-07 10:50:10,193 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 136 for LOIs [2019-11-07 10:50:10,417 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 130 for LOIs [2019-11-07 10:50:10,423 INFO L197 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 140 for LOIs [2019-11-07 10:50:10,424 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-07 10:50:10,437 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-07 10:50:10,437 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-07 10:50:10,439 INFO L168 Benchmark]: Toolchain (without parser) took 22574.99 ms. Allocated memory was 139.5 MB in the beginning and 686.3 MB in the end (delta: 546.8 MB). Free memory was 102.2 MB in the beginning and 125.2 MB in the end (delta: -23.0 MB). Peak memory consumption was 523.8 MB. Max. memory is 7.1 GB. [2019-11-07 10:50:10,440 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory was 121.9 MB in the beginning and 121.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-11-07 10:50:10,441 INFO L168 Benchmark]: CACSL2BoogieTranslator took 696.56 ms. Allocated memory was 139.5 MB in the beginning and 204.5 MB in the end (delta: 65.0 MB). Free memory was 102.0 MB in the beginning and 171.7 MB in the end (delta: -69.7 MB). Peak memory consumption was 24.3 MB. Max. memory is 7.1 GB. [2019-11-07 10:50:10,442 INFO L168 Benchmark]: Boogie Preprocessor took 92.12 ms. Allocated memory is still 204.5 MB. Free memory was 171.7 MB in the beginning and 167.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-11-07 10:50:10,443 INFO L168 Benchmark]: RCFGBuilder took 1568.86 ms. Allocated memory was 204.5 MB in the beginning and 235.4 MB in the end (delta: 30.9 MB). Free memory was 167.7 MB in the beginning and 148.2 MB in the end (delta: 19.4 MB). Peak memory consumption was 81.7 MB. Max. memory is 7.1 GB. [2019-11-07 10:50:10,444 INFO L168 Benchmark]: Sifa took 20213.82 ms. Allocated memory was 235.4 MB in the beginning and 686.3 MB in the end (delta: 450.9 MB). Free memory was 148.2 MB in the beginning and 125.2 MB in the end (delta: 23.0 MB). Peak memory consumption was 473.9 MB. Max. memory is 7.1 GB. [2019-11-07 10:50:10,448 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory was 121.9 MB in the beginning and 121.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 696.56 ms. Allocated memory was 139.5 MB in the beginning and 204.5 MB in the end (delta: 65.0 MB). Free memory was 102.0 MB in the beginning and 171.7 MB in the end (delta: -69.7 MB). Peak memory consumption was 24.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 92.12 ms. Allocated memory is still 204.5 MB. Free memory was 171.7 MB in the beginning and 167.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1568.86 ms. Allocated memory was 204.5 MB in the beginning and 235.4 MB in the end (delta: 30.9 MB). Free memory was 167.7 MB in the beginning and 148.2 MB in the end (delta: 19.4 MB). Peak memory consumption was 81.7 MB. Max. memory is 7.1 GB. * Sifa took 20213.82 ms. Allocated memory was 235.4 MB in the beginning and 686.3 MB in the end (delta: 450.9 MB). Free memory was 148.2 MB in the beginning and 125.2 MB in the end (delta: 23.0 MB). Peak memory consumption was 473.9 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]: 20170, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 59, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 199, TOOLS_POST_TIME[ms]: 10770, TOOLS_POST_CALL_APPLICATIONS: 83, TOOLS_POST_CALL_TIME[ms]: 258, TOOLS_POST_RETURN_APPLICATIONS: 76, TOOLS_POST_RETURN_TIME[ms]: 146, TOOLS_QUANTIFIERELIM_APPLICATIONS: 357, TOOLS_QUANTIFIERELIM_TIME[ms]: 11019, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 10619, FLUID_QUERY_TIME[ms]: 18, FLUID_QUERIES: 337, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 57, DOMAIN_JOIN_TIME[ms]: 7616, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 5, DOMAIN_WIDEN_TIME[ms]: 985, DOMAIN_ISSUBSETEQ_APPLICATIONS: 10, DOMAIN_ISSUBSETEQ_TIME[ms]: 30, DOMAIN_ISBOTTOM_APPLICATIONS: 59, DOMAIN_ISBOTTOM_TIME[ms]: 182, LOOP_SUMMARIZER_APPLICATIONS: 5, LOOP_SUMMARIZER_CACHE_MISSES: 5, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 6511, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 6509, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 10, CALL_SUMMARIZER_APPLICATIONS: 76, CALL_SUMMARIZER_CACHE_MISSES: 22, CALL_SUMMARIZER_OVERALL_TIME[ms]: 10759, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 10758, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 8, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 7, DAG_COMPRESSION_TIME[ms]: 42, DAG_COMPRESSION_PROCESSED_NODES: 730, DAG_COMPRESSION_RETAINED_NODES: 205 - 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 810#(and (= |#t~string50.offset| 0) (= |#t~string61.offset| 0) (<= |#t~string22.offset| 0) (<= 0 |#NULL.base|) (= |#t~string27.offset| 0) (<= 0 |#t~string63.offset|) (<= |#t~string67.offset| 0) (<= 0 |#t~string20.offset|) (<= ~systemActive~0 1) (<= 0 |#t~string52.offset|) (<= ~head~0.offset 0) (= |#t~string46.offset| 0) (= |#t~string32.offset| 0) (<= 0 |#t~string67.offset|) (= 0 ~waterLevel~0) (<= 0 |#t~string46.offset|) (= |#t~string52.offset| 0) (= |#NULL.base| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 ~head~0.base) (<= 0 |#t~string42.offset|) (<= 0 ~methaneLevelCritical~0) (<= 0 |#t~string44.offset|) (<= |#t~string18.offset| 0) (<= 0 |#t~string61.offset|) (<= |#t~string65.offset| 0) (= |#t~string20.offset| 0) (= |#t~string56.offset| 0) (= |#t~string29.offset| 0) (= |#t~string42.offset| 0) (<= 0 |#t~string48.offset|) (= |#t~string67.offset| 0) (<= 0 |#NULL.offset|) (= ~head~0.base 0) (<= ~cleanupTimeShifts~0 4) (= ~cleanupTimeShifts~0 4) (<= 0 |#t~string50.offset|) (<= |#NULL.base| 0) (<= |#t~string63.offset| 0) (= |#t~string18.offset| 0) (<= |#t~string46.offset| 0) (<= 4 ~cleanupTimeShifts~0) (= |#t~string31.offset| 0) (= |#NULL.offset| 0) (= |#t~string23.offset| 0) (= |#t~string21.offset| 0) (<= 0 |#t~string27.offset|) (<= ~head~0.base 0) (<= 0 |#t~string19.offset|) (<= 0 ~head~0.offset) (<= |#t~string31.offset| 0) (not (= ~pumpRunning~0 0)) (<= 0 |#t~string22.offset|) (= |#t~string28.offset| 0) (<= |#t~string52.offset| 0) (<= 0 |#t~string32.offset|) (<= 0 |#t~string18.offset|) (= |#t~string30.offset| 0) (<= |#t~string56.offset| 0) (<= 0 |#t~string59.offset|) (<= 0 |#t~string21.offset|) (= |#t~string65.offset| 0) (<= |#NULL.offset| 0) (= |#t~string48.offset| 0) (= ~head~0.offset 0) (= |#t~string63.offset| 0) (<= |#t~string44.offset| 0) (<= ~pumpRunning~0 2147483647) (<= |#t~string27.offset| 0) (<= 0 |#t~string65.offset|) (<= 0 |#t~string56.offset|) (= |#t~string44.offset| 0) (<= |#t~string21.offset| 0) (<= |#t~string61.offset| 0) (<= |#t~string42.offset| 0) (<= |#t~string59.offset| 0) (= |#t~string54.offset| 0) (<= 0 |#t~string54.offset|) (<= 0 |#t~string23.offset|) (<= |#t~string30.offset| 0) (<= |#t~string32.offset| 0) (= |#t~string19.offset| 0) (= |#t~string59.offset| 0) (<= 0 |#t~string29.offset|) (<= 0 ~systemActive~0) (<= |#t~string50.offset| 0) (<= ~methaneLevelCritical~0 1) (<= |#t~string28.offset| 0) (<= 0 |#t~string30.offset|) (<= 0 |#t~string31.offset|) (<= |#t~string23.offset| 0) (= |#t~string22.offset| 0) (<= |#t~string48.offset| 0) (<= |#t~string54.offset| 0) (<= |#t~string29.offset| 0) (<= |#t~string19.offset| 0) (<= |#t~string20.offset| 0) (<= 0 |#t~string28.offset|)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...