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 IntervalDomain --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_spec2_product29.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 09:15:14,562 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 09:15:14,564 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 09:15:14,576 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 09:15:14,577 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 09:15:14,578 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 09:15:14,579 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 09:15:14,581 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 09:15:14,583 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 09:15:14,584 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 09:15:14,585 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 09:15:14,586 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 09:15:14,587 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 09:15:14,588 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 09:15:14,589 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 09:15:14,590 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 09:15:14,591 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 09:15:14,591 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 09:15:14,593 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 09:15:14,595 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 09:15:14,597 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 09:15:14,598 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 09:15:14,599 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 09:15:14,600 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 09:15:14,602 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-21 09:15:14,603 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-21 09:15:14,603 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-21 09:15:14,604 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-21 09:15:14,604 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-21 09:15:14,605 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-21 09:15:14,605 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 09:15:14,606 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 09:15:14,607 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 09:15:14,608 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 09:15:14,609 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 09:15:14,609 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 09:15:14,610 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 09:15:14,610 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 09:15:14,610 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 09:15:14,611 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 09:15:14,612 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 09:15:14,613 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 [2019-09-21 09:15:14,627 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 09:15:14,627 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 09:15:14,629 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 09:15:14,629 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 09:15:14,629 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 09:15:14,629 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 09:15:14,630 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 09:15:14,630 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 09:15:14,630 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 09:15:14,630 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 09:15:14,630 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 09:15:14,631 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 09:15:14,631 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 09:15:14,631 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 09:15:14,631 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 09:15:14,631 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 09:15:14,631 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 09:15:14,632 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 09:15:14,632 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 09:15:14,632 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 09:15:14,632 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 09:15:14,632 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 09:15:14,633 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 09:15:14,633 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 09:15:14,633 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 09:15:14,633 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 09:15:14,633 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 09:15:14,634 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 09:15:14,634 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain 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 [2019-09-21 09:15:14,666 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 09:15:14,678 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 09:15:14,682 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 09:15:14,683 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 09:15:14,684 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 09:15:14,684 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product29.cil.c [2019-09-21 09:15:14,747 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/116aa6fef/714a7f465fd64df2b3f4345905ffb102/FLAG33b7dd4fe [2019-09-21 09:15:15,281 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 09:15:15,290 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product29.cil.c [2019-09-21 09:15:15,313 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/116aa6fef/714a7f465fd64df2b3f4345905ffb102/FLAG33b7dd4fe [2019-09-21 09:15:15,566 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/116aa6fef/714a7f465fd64df2b3f4345905ffb102 [2019-09-21 09:15:15,576 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 09:15:15,578 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 09:15:15,579 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 09:15:15,579 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 09:15:15,583 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 09:15:15,584 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:15:15" (1/1) ... [2019-09-21 09:15:15,586 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e18d1b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:15:15, skipping insertion in model container [2019-09-21 09:15:15,587 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:15:15" (1/1) ... [2019-09-21 09:15:15,594 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 09:15:15,655 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 09:15:16,119 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:15:16,136 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 09:15:16,249 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:15:16,290 INFO L192 MainTranslator]: Completed translation [2019-09-21 09:15:16,290 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:15:16 WrapperNode [2019-09-21 09:15:16,291 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 09:15:16,291 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 09:15:16,292 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 09:15:16,292 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 09:15:16,303 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:15:16" (1/1) ... [2019-09-21 09:15:16,304 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:15:16" (1/1) ... [2019-09-21 09:15:16,332 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:15:16" (1/1) ... [2019-09-21 09:15:16,332 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:15:16" (1/1) ... [2019-09-21 09:15:16,360 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:15:16" (1/1) ... [2019-09-21 09:15:16,370 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:15:16" (1/1) ... [2019-09-21 09:15:16,375 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:15:16" (1/1) ... [2019-09-21 09:15:16,391 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 09:15:16,392 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 09:15:16,394 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 09:15:16,394 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 09:15:16,396 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:15:16" (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 [2019-09-21 09:15:16,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 09:15:16,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 09:15:16,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-21 09:15:16,475 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-21 09:15:16,476 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-21 09:15:16,476 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-09-21 09:15:16,477 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-21 09:15:16,477 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-21 09:15:16,477 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-21 09:15:16,477 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-21 09:15:16,477 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-21 09:15:16,478 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-21 09:15:16,479 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-21 09:15:16,479 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-21 09:15:16,479 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-21 09:15:16,479 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-21 09:15:16,482 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-21 09:15:16,482 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-21 09:15:16,482 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-21 09:15:16,482 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-21 09:15:16,483 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 09:15:16,483 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-09-21 09:15:16,483 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-09-21 09:15:16,483 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-21 09:15:16,483 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-21 09:15:16,484 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-21 09:15:16,484 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-21 09:15:16,484 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-21 09:15:16,484 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-21 09:15:16,484 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-21 09:15:16,484 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-21 09:15:16,485 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-21 09:15:16,485 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-21 09:15:16,485 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-21 09:15:16,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-21 09:15:16,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-21 09:15:16,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-21 09:15:16,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-21 09:15:16,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-21 09:15:16,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-21 09:15:16,487 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 09:15:16,487 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-21 09:15:16,487 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-21 09:15:16,487 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-21 09:15:16,487 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-21 09:15:16,488 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-21 09:15:16,488 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-21 09:15:16,488 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-21 09:15:16,488 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-21 09:15:16,488 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-21 09:15:16,488 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-21 09:15:16,488 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-21 09:15:16,489 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-09-21 09:15:16,489 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-21 09:15:16,489 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-21 09:15:16,489 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-21 09:15:16,489 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-09-21 09:15:16,489 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-21 09:15:16,490 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-21 09:15:16,490 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-21 09:15:16,491 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-21 09:15:16,491 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-21 09:15:16,491 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-21 09:15:16,491 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-21 09:15:16,491 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-21 09:15:16,492 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-21 09:15:16,492 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-21 09:15:16,492 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-09-21 09:15:16,492 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-21 09:15:16,492 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-21 09:15:16,492 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-21 09:15:16,493 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-21 09:15:16,493 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 09:15:16,494 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-21 09:15:16,494 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-21 09:15:16,494 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-21 09:15:16,495 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-21 09:15:16,495 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-21 09:15:16,495 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-21 09:15:16,495 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-21 09:15:16,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-21 09:15:16,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-21 09:15:16,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-21 09:15:16,497 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-21 09:15:16,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-21 09:15:16,497 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-21 09:15:16,497 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-21 09:15:16,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-21 09:15:16,498 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-21 09:15:16,499 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-21 09:15:16,499 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-21 09:15:16,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 09:15:16,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-21 09:15:16,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 09:15:18,105 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 09:15:18,105 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-21 09:15:18,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:15:18 BoogieIcfgContainer [2019-09-21 09:15:18,107 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 09:15:18,108 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 09:15:18,108 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 09:15:18,108 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 09:15:18,110 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:15:18" (1/1) ... [2019-09-21 09:15:18,110 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ 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 [2019-09-21 09:15:18,142 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 09:15:18,143 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 09:15:18,155 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 09:15:18,167 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 09:15:18,169 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 09:15:28,051 WARN L191 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-09-21 09:15:29,878 WARN L191 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-21 09:15:30,045 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-21 09:15:30,096 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 117 for LOIs [2019-09-21 09:15:30,152 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 117 for LOIs [2019-09-21 09:15:30,162 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 117 for LOIs [2019-09-21 09:15:31,747 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-21 09:15:31,750 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 110 for LOIs [2019-09-21 09:15:31,843 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification2_spec__2 with input of size 104 for LOIs [2019-09-21 09:15:31,852 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 104 for LOIs [2019-09-21 09:15:31,866 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-21 09:15:31,866 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-21 09:15:31,868 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 379#(and (<= |#t~string58.offset| 0) (<= 0 |#t~string62.offset|) (<= ~head~0.base 0) (<= 0 |#t~string19.offset|) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= 0 |#t~string70.offset|) (<= 0 |#t~string17.offset|) (<= |#t~string67.offset| 0) (<= ~systemActive~0 1) (<= ~head~0.offset 0) (<= 0 |#t~string32.offset|) (<= 0 |#t~string67.offset|) (<= |#t~string34.offset| 0) (<= 0 |#t~string11.offset|) (<= 0 |#t~string60.offset|) (<= |#t~string70.offset| 0) (<= 0 |#t~string59.offset|) (<= |#t~string57.offset| 0) (<= 0 |#t~string69.offset|) (<= 0 ~head~0.base) (<= |#NULL.offset| 0) (<= |#t~string7.offset| 0) (<= |#t~string13.offset| 0) (<= |#t~string15.offset| 0) (<= 0 ~methaneLevelCritical~0) (<= |#t~string9.offset| 0) (<= |#t~string71.offset| 0) (<= |#t~string11.offset| 0) (<= 0 |#t~string61.offset|) (<= 0 |#t~string36.offset|) (<= |#t~string36.offset| 0) (<= |#t~string66.offset| 0) (<= 0 |#t~string7.offset|) (<= 0 |#t~string9.offset|) (<= |#t~string61.offset| 0) (<= 0 |#t~string15.offset|) (<= |#t~string59.offset| 0) (<= 0 |#NULL.offset|) (<= |#t~string30.offset| 0) (<= |#t~string69.offset| 0) (<= |#t~string32.offset| 0) (<= |#t~string60.offset| 0) (<= ~cleanupTimeShifts~0 4) (<= 0 |#t~string13.offset|) (<= 0 |#t~string5.offset|) (<= |#t~string62.offset| 0) (<= 0 |#t~string38.offset|) (<= |#t~string5.offset| 0) (<= ~methaneLevelCritical~0 1) (<= |#NULL.base| 0) (<= 0 |#t~string66.offset|) (<= 0 |#t~string30.offset|) (<= 1 ~systemActive~0) (<= 0 |#t~string71.offset|) (<= |#t~string17.offset| 0) (<= 4 ~cleanupTimeShifts~0) (<= 0 |#t~string34.offset|) (<= |#t~string38.offset| 0) (<= |#t~string19.offset| 0) (<= |#t~string68.offset| 0) (<= 0 ~methAndRunningLastTime~0) (<= 0 |#t~string58.offset|) (<= 0 |#t~string57.offset|) (<= 0 |#t~string68.offset|)) [2019-09-21 09:15:31,884 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-21 09:15:31,885 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-21 09:15:31,887 INFO L168 Benchmark]: Toolchain (without parser) took 16308.61 ms. Allocated memory was 132.6 MB in the beginning and 375.4 MB in the end (delta: 242.7 MB). Free memory was 87.5 MB in the beginning and 178.2 MB in the end (delta: -90.7 MB). Peak memory consumption was 152.1 MB. Max. memory is 7.1 GB. [2019-09-21 09:15:31,887 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 132.6 MB. Free memory was 106.8 MB in the beginning and 106.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-21 09:15:31,889 INFO L168 Benchmark]: CACSL2BoogieTranslator took 712.09 ms. Allocated memory was 132.6 MB in the beginning and 199.8 MB in the end (delta: 67.1 MB). Free memory was 87.3 MB in the beginning and 162.7 MB in the end (delta: -75.4 MB). Peak memory consumption was 27.5 MB. Max. memory is 7.1 GB. [2019-09-21 09:15:31,889 INFO L168 Benchmark]: Boogie Preprocessor took 100.07 ms. Allocated memory is still 199.8 MB. Free memory was 162.1 MB in the beginning and 158.2 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2019-09-21 09:15:31,890 INFO L168 Benchmark]: RCFGBuilder took 1715.62 ms. Allocated memory was 199.8 MB in the beginning and 222.8 MB in the end (delta: 23.1 MB). Free memory was 158.2 MB in the beginning and 140.8 MB in the end (delta: 17.5 MB). Peak memory consumption was 88.9 MB. Max. memory is 7.1 GB. [2019-09-21 09:15:31,891 INFO L168 Benchmark]: Sifa took 13776.86 ms. Allocated memory was 222.8 MB in the beginning and 375.4 MB in the end (delta: 152.6 MB). Free memory was 140.8 MB in the beginning and 178.2 MB in the end (delta: -37.4 MB). Peak memory consumption was 115.2 MB. Max. memory is 7.1 GB. [2019-09-21 09:15:31,895 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 132.6 MB. Free memory was 106.8 MB in the beginning and 106.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 712.09 ms. Allocated memory was 132.6 MB in the beginning and 199.8 MB in the end (delta: 67.1 MB). Free memory was 87.3 MB in the beginning and 162.7 MB in the end (delta: -75.4 MB). Peak memory consumption was 27.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 100.07 ms. Allocated memory is still 199.8 MB. Free memory was 162.1 MB in the beginning and 158.2 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1715.62 ms. Allocated memory was 199.8 MB in the beginning and 222.8 MB in the end (delta: 23.1 MB). Free memory was 158.2 MB in the beginning and 140.8 MB in the end (delta: 17.5 MB). Peak memory consumption was 88.9 MB. Max. memory is 7.1 GB. * Sifa took 13776.86 ms. Allocated memory was 222.8 MB in the beginning and 375.4 MB in the end (delta: 152.6 MB). Free memory was 140.8 MB in the beginning and 178.2 MB in the end (delta: -37.4 MB). Peak memory consumption was 115.2 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]: 13726, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 238, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 160, TOOLS_POST_TIME[ms]: 11863, TOOLS_POST_CALL_APPLICATIONS: 70, TOOLS_POST_CALL_TIME[ms]: 152, TOOLS_POST_RETURN_APPLICATIONS: 63, TOOLS_POST_RETURN_TIME[ms]: 61, TOOLS_QUANTIFIERELIM_APPLICATIONS: 292, TOOLS_QUANTIFIERELIM_TIME[ms]: 11966, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 11781, FLUID_QUERY_TIME[ms]: 13, FLUID_QUERIES: 244, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 81, DOMAIN_JOIN_TIME[ms]: 1319, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 11, DOMAIN_ISSUBSETEQ_APPLICATIONS: 6, DOMAIN_ISSUBSETEQ_TIME[ms]: 25, DOMAIN_ISBOTTOM_APPLICATIONS: 48, DOMAIN_ISBOTTOM_TIME[ms]: 122, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 1093, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1093, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 6, CALL_SUMMARIZER_APPLICATIONS: 63, CALL_SUMMARIZER_CACHE_MISSES: 24, CALL_SUMMARIZER_OVERALL_TIME[ms]: 11942, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 11941, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 42, DAG_COMPRESSION_PROCESSED_NODES: 490, DAG_COMPRESSION_RETAINED_NODES: 198 - UnprovableResult [Line: 317]: 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 379#(and (<= |#t~string58.offset| 0) (<= 0 |#t~string62.offset|) (<= ~head~0.base 0) (<= 0 |#t~string19.offset|) (<= 0 ~head~0.offset) (<= 0 |#NULL.base|) (<= 0 |#t~string70.offset|) (<= 0 |#t~string17.offset|) (<= |#t~string67.offset| 0) (<= ~systemActive~0 1) (<= ~head~0.offset 0) (<= 0 |#t~string32.offset|) (<= 0 |#t~string67.offset|) (<= |#t~string34.offset| 0) (<= 0 |#t~string11.offset|) (<= 0 |#t~string60.offset|) (<= |#t~string70.offset| 0) (<= 0 |#t~string59.offset|) (<= |#t~string57.offset| 0) (<= 0 |#t~string69.offset|) (<= 0 ~head~0.base) (<= |#NULL.offset| 0) (<= |#t~string7.offset| 0) (<= |#t~string13.offset| 0) (<= |#t~string15.offset| 0) (<= 0 ~methaneLevelCritical~0) (<= |#t~string9.offset| 0) (<= |#t~string71.offset| 0) (<= |#t~string11.offset| 0) (<= 0 |#t~string61.offset|) (<= 0 |#t~string36.offset|) (<= |#t~string36.offset| 0) (<= |#t~string66.offset| 0) (<= 0 |#t~string7.offset|) (<= 0 |#t~string9.offset|) (<= |#t~string61.offset| 0) (<= 0 |#t~string15.offset|) (<= |#t~string59.offset| 0) (<= 0 |#NULL.offset|) (<= |#t~string30.offset| 0) (<= |#t~string69.offset| 0) (<= |#t~string32.offset| 0) (<= |#t~string60.offset| 0) (<= ~cleanupTimeShifts~0 4) (<= 0 |#t~string13.offset|) (<= 0 |#t~string5.offset|) (<= |#t~string62.offset| 0) (<= 0 |#t~string38.offset|) (<= |#t~string5.offset| 0) (<= ~methaneLevelCritical~0 1) (<= |#NULL.base| 0) (<= 0 |#t~string66.offset|) (<= 0 |#t~string30.offset|) (<= 1 ~systemActive~0) (<= 0 |#t~string71.offset|) (<= |#t~string17.offset| 0) (<= 4 ~cleanupTimeShifts~0) (<= 0 |#t~string34.offset|) (<= |#t~string38.offset| 0) (<= |#t~string19.offset| 0) (<= |#t~string68.offset| 0) (<= 0 ~methAndRunningLastTime~0) (<= 0 |#t~string58.offset|) (<= 0 |#t~string57.offset|) (<= 0 |#t~string68.offset|)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...