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.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product55.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 15:52:59,722 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 15:52:59,724 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 15:52:59,736 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 15:52:59,737 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 15:52:59,738 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 15:52:59,739 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 15:52:59,741 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 15:52:59,743 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 15:52:59,744 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 15:52:59,745 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 15:52:59,746 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 15:52:59,746 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 15:52:59,747 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 15:52:59,748 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 15:52:59,749 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 15:52:59,750 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 15:52:59,751 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 15:52:59,753 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 15:52:59,755 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 15:52:59,757 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 15:52:59,758 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 15:52:59,759 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 15:52:59,760 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 15:52:59,763 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 15:52:59,763 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 15:52:59,763 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 15:52:59,764 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 15:52:59,765 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 15:52:59,766 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 15:52:59,766 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 15:52:59,767 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 15:52:59,768 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 15:52:59,768 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 15:52:59,770 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 15:52:59,770 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 15:52:59,770 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 15:52:59,771 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 15:52:59,771 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 15:52:59,772 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 15:52:59,773 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 15:52:59,773 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 [2019-09-20 15:52:59,791 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 15:52:59,792 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 15:52:59,793 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 15:52:59,793 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 15:52:59,794 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 15:52:59,794 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 15:52:59,794 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 15:52:59,794 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 15:52:59,794 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 15:52:59,795 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 15:52:59,795 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 15:52:59,795 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 15:52:59,795 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 15:52:59,795 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 15:52:59,796 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 15:52:59,796 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 15:52:59,796 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 15:52:59,796 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 15:52:59,796 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 15:52:59,797 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 15:52:59,797 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 15:52:59,797 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:52:59,797 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 15:52:59,797 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 15:52:59,798 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 15:52:59,798 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 15:52:59,798 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 15:52:59,798 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 15:52:59,798 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: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-09-20 15:52:59,830 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 15:52:59,844 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 15:52:59,847 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 15:52:59,849 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 15:52:59,849 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 15:52:59,850 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product55.cil.c [2019-09-20 15:52:59,934 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41bd6c072/bcc27dbe5b34406585c70c18c229c388/FLAGf68ef1df4 [2019-09-20 15:53:00,530 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 15:53:00,531 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product55.cil.c [2019-09-20 15:53:00,556 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41bd6c072/bcc27dbe5b34406585c70c18c229c388/FLAGf68ef1df4 [2019-09-20 15:53:00,745 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41bd6c072/bcc27dbe5b34406585c70c18c229c388 [2019-09-20 15:53:00,754 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 15:53:00,755 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 15:53:00,756 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 15:53:00,756 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 15:53:00,760 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 15:53:00,761 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:53:00" (1/1) ... [2019-09-20 15:53:00,764 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2476905b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:53:00, skipping insertion in model container [2019-09-20 15:53:00,764 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:53:00" (1/1) ... [2019-09-20 15:53:00,772 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 15:53:00,830 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 15:53:01,324 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:53:01,338 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 15:53:01,443 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:53:01,481 INFO L192 MainTranslator]: Completed translation [2019-09-20 15:53:01,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:53:01 WrapperNode [2019-09-20 15:53:01,482 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 15:53:01,483 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 15:53:01,483 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 15:53:01,483 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 15:53:01,494 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:53:01" (1/1) ... [2019-09-20 15:53:01,494 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:53:01" (1/1) ... [2019-09-20 15:53:01,511 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:53:01" (1/1) ... [2019-09-20 15:53:01,512 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:53:01" (1/1) ... [2019-09-20 15:53:01,541 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:53:01" (1/1) ... [2019-09-20 15:53:01,552 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:53:01" (1/1) ... [2019-09-20 15:53:01,557 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:53:01" (1/1) ... [2019-09-20 15:53:01,565 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 15:53:01,565 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 15:53:01,566 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 15:53:01,566 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 15:53:01,567 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:53:01" (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 [2019-09-20 15:53:01,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 15:53:01,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 15:53:01,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 15:53:01,623 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 15:53:01,623 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 15:53:01,624 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 15:53:01,624 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 15:53:01,625 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-20 15:53:01,625 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 15:53:01,625 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 15:53:01,625 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 15:53:01,626 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 15:53:01,627 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 15:53:01,627 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 15:53:01,627 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-20 15:53:01,627 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-20 15:53:01,629 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-20 15:53:01,630 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-20 15:53:01,630 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 15:53:01,630 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 15:53:01,630 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 15:53:01,630 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 15:53:01,632 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 15:53:01,632 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 15:53:01,632 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 15:53:01,632 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 15:53:01,632 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 15:53:01,633 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 15:53:01,633 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 15:53:01,633 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 15:53:01,633 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 15:53:01,634 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 15:53:01,634 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 15:53:01,634 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 15:53:01,634 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 15:53:01,634 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 15:53:01,634 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 15:53:01,634 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 15:53:01,635 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 15:53:01,635 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 15:53:01,635 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-20 15:53:01,635 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-20 15:53:01,635 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 15:53:01,635 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 15:53:01,636 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 15:53:01,636 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 15:53:01,636 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 15:53:01,636 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-20 15:53:01,636 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 15:53:01,636 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 15:53:01,636 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 15:53:01,637 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 15:53:01,637 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 15:53:01,637 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 15:53:01,637 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-20 15:53:01,637 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-20 15:53:01,637 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 15:53:01,638 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 15:53:01,638 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 15:53:01,638 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 15:53:01,639 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-20 15:53:01,639 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 15:53:01,639 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 15:53:01,639 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-20 15:53:01,639 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 15:53:01,639 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-20 15:53:01,639 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-20 15:53:01,640 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 15:53:01,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 15:53:01,640 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 15:53:01,640 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 15:53:01,640 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 15:53:01,641 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 15:53:01,641 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 15:53:01,642 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 15:53:01,642 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 15:53:01,642 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 15:53:01,643 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 15:53:01,643 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 15:53:01,643 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 15:53:01,643 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 15:53:01,644 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 15:53:01,644 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 15:53:01,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 15:53:01,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 15:53:01,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 15:53:01,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 15:53:01,646 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 15:53:01,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 15:53:01,646 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 15:53:01,646 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 15:53:01,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 15:53:01,646 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 15:53:01,646 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 15:53:01,647 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 15:53:01,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 15:53:01,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 15:53:01,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 15:53:03,222 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 15:53:03,222 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 15:53:03,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:53:03 BoogieIcfgContainer [2019-09-20 15:53:03,224 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 15:53:03,225 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 15:53:03,225 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 15:53:03,225 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 15:53:03,226 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:53:03" (1/1) ... [2019-09-20 15:53:03,227 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-20 15:53:03,253 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 15:53:03,253 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 15:53:03,268 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 15:53:03,280 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 15:53:03,282 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 15:53:14,446 WARN L191 SmtUtils]: Spent 426.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-09-20 15:53:16,214 WARN L191 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-20 15:53:16,379 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-20 15:53:16,506 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-20 15:53:16,639 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-20 15:53:16,655 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 480 for LOIs [2019-09-20 15:53:16,699 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 480 for LOIs [2019-09-20 15:53:16,705 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 480 for LOIs [2019-09-20 15:53:17,194 WARN L191 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 505 [2019-09-20 15:53:17,520 WARN L191 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 505 [2019-09-20 15:53:17,835 WARN L191 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 510 [2019-09-20 15:53:18,152 WARN L191 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 510 [2019-09-20 15:53:18,378 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 510 [2019-09-20 15:53:18,585 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 510 [2019-09-20 15:53:18,967 WARN L191 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 510 [2019-09-20 15:53:19,395 WARN L191 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 515 [2019-09-20 15:53:19,693 WARN L191 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 515 [2019-09-20 15:53:20,593 WARN L191 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 538 [2019-09-20 15:53:20,824 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 538 [2019-09-20 15:53:21,169 WARN L191 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 541 DAG size of output: 541 [2019-09-20 15:53:21,470 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 504 [2019-09-20 15:53:21,849 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 528 [2019-09-20 15:53:22,066 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 528 [2019-09-20 15:53:22,284 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 533 [2019-09-20 15:53:22,443 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 533 [2019-09-20 15:53:22,633 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 533 [2019-09-20 15:53:22,835 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 533 [2019-09-20 15:53:23,064 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 533 [2019-09-20 15:53:23,235 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 538 [2019-09-20 15:53:23,405 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 538 [2019-09-20 15:53:24,113 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 533 [2019-09-20 15:53:24,287 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 533 [2019-09-20 15:53:24,749 WARN L191 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 561 [2019-09-20 15:53:25,050 WARN L191 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 561 DAG size of output: 559 [2019-09-20 15:53:25,388 WARN L191 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 561 [2019-09-20 15:53:25,392 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 30 for LOIs [2019-09-20 15:53:25,445 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 7 for LOIs [2019-09-20 15:53:25,455 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 17 for LOIs [2019-09-20 15:53:25,459 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 24 for LOIs [2019-09-20 15:53:25,461 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 15:53:25,462 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 15:53:25,464 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 549#(and (or (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0)) (not (= 0 ~systemActive~0))) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~pumpRunning~0 2147483648)) (= 0 ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2019-09-20 15:53:25,476 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 15:53:25,476 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 15:53:25,478 INFO L168 Benchmark]: Toolchain (without parser) took 24722.96 ms. Allocated memory was 132.6 MB in the beginning and 735.1 MB in the end (delta: 602.4 MB). Free memory was 86.8 MB in the beginning and 502.8 MB in the end (delta: -416.0 MB). Peak memory consumption was 186.4 MB. Max. memory is 7.1 GB. [2019-09-20 15:53:25,479 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 132.6 MB. Free memory was 105.7 MB in the beginning and 105.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 15:53:25,480 INFO L168 Benchmark]: CACSL2BoogieTranslator took 726.52 ms. Allocated memory was 132.6 MB in the beginning and 200.3 MB in the end (delta: 67.6 MB). Free memory was 86.5 MB in the beginning and 163.9 MB in the end (delta: -77.4 MB). Peak memory consumption was 26.4 MB. Max. memory is 7.1 GB. [2019-09-20 15:53:25,481 INFO L168 Benchmark]: Boogie Preprocessor took 82.42 ms. Allocated memory is still 200.3 MB. Free memory was 163.9 MB in the beginning and 159.5 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-09-20 15:53:25,482 INFO L168 Benchmark]: RCFGBuilder took 1658.88 ms. Allocated memory was 200.3 MB in the beginning and 223.9 MB in the end (delta: 23.6 MB). Free memory was 159.5 MB in the beginning and 138.5 MB in the end (delta: 21.1 MB). Peak memory consumption was 89.4 MB. Max. memory is 7.1 GB. [2019-09-20 15:53:25,483 INFO L168 Benchmark]: Sifa took 22251.72 ms. Allocated memory was 223.9 MB in the beginning and 735.1 MB in the end (delta: 511.2 MB). Free memory was 138.5 MB in the beginning and 502.8 MB in the end (delta: -364.3 MB). Peak memory consumption was 146.9 MB. Max. memory is 7.1 GB. [2019-09-20 15:53:25,487 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 132.6 MB. Free memory was 105.7 MB in the beginning and 105.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 726.52 ms. Allocated memory was 132.6 MB in the beginning and 200.3 MB in the end (delta: 67.6 MB). Free memory was 86.5 MB in the beginning and 163.9 MB in the end (delta: -77.4 MB). Peak memory consumption was 26.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 82.42 ms. Allocated memory is still 200.3 MB. Free memory was 163.9 MB in the beginning and 159.5 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1658.88 ms. Allocated memory was 200.3 MB in the beginning and 223.9 MB in the end (delta: 23.6 MB). Free memory was 159.5 MB in the beginning and 138.5 MB in the end (delta: 21.1 MB). Peak memory consumption was 89.4 MB. Max. memory is 7.1 GB. * Sifa took 22251.72 ms. Allocated memory was 223.9 MB in the beginning and 735.1 MB in the end (delta: 511.2 MB). Free memory was 138.5 MB in the beginning and 502.8 MB in the end (delta: -364.3 MB). Peak memory consumption was 146.9 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]: 22211, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 246, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 166, TOOLS_POST_TIME[ms]: 13150, TOOLS_POST_CALL_APPLICATIONS: 69, TOOLS_POST_CALL_TIME[ms]: 179, TOOLS_POST_RETURN_APPLICATIONS: 60, TOOLS_POST_RETURN_TIME[ms]: 92, TOOLS_QUANTIFIERELIM_APPLICATIONS: 295, TOOLS_QUANTIFIERELIM_TIME[ms]: 13299, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 13012, FLUID_QUERY_TIME[ms]: 14, FLUID_QUERIES: 251, FLUID_YES_ANSWERS: 1, DOMAIN_JOIN_APPLICATIONS: 86, DOMAIN_JOIN_TIME[ms]: 8097, DOMAIN_ALPHA_APPLICATIONS: 1, DOMAIN_ALPHA_TIME[ms]: 5, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 227, DOMAIN_ISSUBSETEQ_APPLICATIONS: 5, DOMAIN_ISSUBSETEQ_TIME[ms]: 13, DOMAIN_ISBOTTOM_APPLICATIONS: 51, DOMAIN_ISBOTTOM_TIME[ms]: 289, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 6783, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 6783, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 5, CALL_SUMMARIZER_APPLICATIONS: 60, CALL_SUMMARIZER_CACHE_MISSES: 29, CALL_SUMMARIZER_OVERALL_TIME[ms]: 13495, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 13495, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 10, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 31, DAG_COMPRESSION_PROCESSED_NODES: 459, DAG_COMPRESSION_RETAINED_NODES: 228 - UnprovableResult [Line: 430]: 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 549#(and (or (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0)) (not (= 0 ~systemActive~0))) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~pumpRunning~0 2147483648)) (= 0 ~waterLevel~0) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...