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 AlwaysFluid --sifa.intern.fluid AlwaysFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product27.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 22:32:09,552 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 22:32:09,554 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 22:32:09,571 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 22:32:09,571 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 22:32:09,572 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 22:32:09,573 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 22:32:09,575 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 22:32:09,577 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 22:32:09,577 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 22:32:09,578 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 22:32:09,579 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 22:32:09,580 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 22:32:09,581 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 22:32:09,581 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 22:32:09,582 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 22:32:09,583 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 22:32:09,584 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 22:32:09,586 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 22:32:09,588 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 22:32:09,589 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 22:32:09,590 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 22:32:09,592 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 22:32:09,592 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 22:32:09,595 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 22:32:09,595 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 22:32:09,595 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 22:32:09,596 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 22:32:09,596 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 22:32:09,597 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 22:32:09,598 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 22:32:09,599 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 22:32:09,599 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 22:32:09,600 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 22:32:09,601 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 22:32:09,601 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 22:32:09,602 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 22:32:09,602 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 22:32:09,602 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 22:32:09,603 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 22:32:09,604 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 22:32:09,605 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 22:32:09,624 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 22:32:09,624 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 22:32:09,626 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 22:32:09,626 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 22:32:09,626 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 22:32:09,627 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 22:32:09,627 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 22:32:09,627 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 22:32:09,627 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 22:32:09,628 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 22:32:09,628 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 22:32:09,628 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 22:32:09,628 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 22:32:09,629 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 22:32:09,629 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 22:32:09,630 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 22:32:09,630 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 22:32:09,630 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 22:32:09,630 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 22:32:09,631 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 22:32:09,631 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 22:32:09,631 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 22:32:09,631 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 22:32:09,631 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 22:32:09,632 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 22:32:09,632 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 22:32:09,632 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 22:32:09,633 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 22:32:09,633 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 -> AlwaysFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> AlwaysFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 22:32:09,663 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 22:32:09,675 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 22:32:09,680 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 22:32:09,681 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 22:32:09,682 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 22:32:09,683 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product27.cil.c [2019-09-20 22:32:09,754 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8275853a8/7aa9ae6519ea49fcb78654db80522e2f/FLAG5779e764a [2019-09-20 22:32:10,191 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 22:32:10,191 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product27.cil.c [2019-09-20 22:32:10,206 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8275853a8/7aa9ae6519ea49fcb78654db80522e2f/FLAG5779e764a [2019-09-20 22:32:10,553 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8275853a8/7aa9ae6519ea49fcb78654db80522e2f [2019-09-20 22:32:10,561 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 22:32:10,562 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 22:32:10,563 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 22:32:10,563 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 22:32:10,567 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 22:32:10,567 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 10:32:10" (1/1) ... [2019-09-20 22:32:10,571 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30a34633 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:32:10, skipping insertion in model container [2019-09-20 22:32:10,571 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 10:32:10" (1/1) ... [2019-09-20 22:32:10,579 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 22:32:10,644 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 22:32:11,093 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 22:32:11,111 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 22:32:11,239 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 22:32:11,274 INFO L192 MainTranslator]: Completed translation [2019-09-20 22:32:11,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:32:11 WrapperNode [2019-09-20 22:32:11,275 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 22:32:11,275 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 22:32:11,275 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 22:32:11,275 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 22:32:11,285 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:32:11" (1/1) ... [2019-09-20 22:32:11,286 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:32:11" (1/1) ... [2019-09-20 22:32:11,311 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:32:11" (1/1) ... [2019-09-20 22:32:11,312 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:32:11" (1/1) ... [2019-09-20 22:32:11,339 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:32:11" (1/1) ... [2019-09-20 22:32:11,348 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:32:11" (1/1) ... [2019-09-20 22:32:11,353 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:32:11" (1/1) ... [2019-09-20 22:32:11,361 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 22:32:11,362 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 22:32:11,362 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 22:32:11,362 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 22:32:11,363 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:32:11" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 22:32:11,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 22:32:11,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 22:32:11,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 22:32:11,422 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 22:32:11,422 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 22:32:11,422 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 22:32:11,423 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 22:32:11,423 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 22:32:11,423 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 22:32:11,423 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-09-20 22:32:11,423 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-09-20 22:32:11,423 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 22:32:11,424 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 22:32:11,424 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 22:32:11,424 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 22:32:11,424 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 22:32:11,424 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 22:32:11,424 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-20 22:32:11,425 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 22:32:11,425 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 22:32:11,425 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 22:32:11,425 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 22:32:11,425 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 22:32:11,425 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 22:32:11,426 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 22:32:11,426 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 22:32:11,426 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 22:32:11,426 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 22:32:11,426 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 22:32:11,426 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 22:32:11,427 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 22:32:11,427 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-20 22:32:11,427 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 22:32:11,427 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 22:32:11,427 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 22:32:11,427 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 22:32:11,428 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 22:32:11,428 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-20 22:32:11,428 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-20 22:32:11,428 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 22:32:11,428 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 22:32:11,428 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 22:32:11,429 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 22:32:11,429 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 22:32:11,429 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 22:32:11,429 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 22:32:11,429 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 22:32:11,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 22:32:11,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 22:32:11,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 22:32:11,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 22:32:11,430 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 22:32:11,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 22:32:11,430 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 22:32:11,430 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 22:32:11,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 22:32:11,431 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 22:32:11,431 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 22:32:11,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 22:32:11,431 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 22:32:11,431 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 22:32:11,432 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 22:32:11,432 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 22:32:11,432 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-09-20 22:32:11,432 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-09-20 22:32:11,432 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 22:32:11,432 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 22:32:11,433 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 22:32:11,433 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 22:32:11,433 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 22:32:11,433 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-20 22:32:11,433 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 22:32:11,433 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 22:32:11,434 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 22:32:11,434 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 22:32:11,434 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 22:32:11,434 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 22:32:11,434 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 22:32:11,434 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 22:32:11,435 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 22:32:11,435 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 22:32:11,435 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 22:32:11,435 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-20 22:32:11,435 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 22:32:11,435 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 22:32:11,436 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 22:32:11,436 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 22:32:11,436 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 22:32:11,436 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-20 22:32:11,436 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-20 22:32:11,436 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 22:32:11,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 22:32:11,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 22:32:11,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 22:32:12,849 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 22:32:12,849 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 22:32:12,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 10:32:12 BoogieIcfgContainer [2019-09-20 22:32:12,851 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 22:32:12,851 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 22:32:12,852 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 22:32:12,852 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 22:32:12,853 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 10:32:12" (1/1) ... [2019-09-20 22:32:12,854 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=AlwaysFluid ♦ 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_DDA ♦ Intern Fluid=AlwaysFluid [2019-09-20 22:32:12,877 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 22:32:12,878 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 22:32:12,889 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 22:32:12,902 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 22:32:12,903 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 22:32:36,666 WARN L191 SmtUtils]: Spent 13.77 s on a formula simplification that was a NOOP. DAG size: 466 [2019-09-20 22:32:38,230 WARN L191 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-20 22:32:41,955 WARN L191 SmtUtils]: Spent 3.72 s on a formula simplification. DAG size of input: 474 DAG size of output: 424 [2019-09-20 22:32:43,674 WARN L191 SmtUtils]: Spent 1.71 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-20 22:32:45,360 WARN L191 SmtUtils]: Spent 1.68 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-20 22:32:45,378 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 16 for LOIs [2019-09-20 22:32:45,423 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 16 for LOIs [2019-09-20 22:32:45,432 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 18 for LOIs [2019-09-20 22:32:46,818 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 10 for LOIs [2019-09-20 22:32:46,883 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 10 for LOIs [2019-09-20 22:32:46,894 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification2_spec__2 with input of size 3 for LOIs [2019-09-20 22:32:46,905 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 1 for LOIs [2019-09-20 22:32:46,908 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 22:32:46,908 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 22:32:46,911 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 927#true [2019-09-20 22:32:46,936 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 22:32:46,937 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 22:32:46,939 INFO L168 Benchmark]: Toolchain (without parser) took 36376.15 ms. Allocated memory was 135.3 MB in the beginning and 416.3 MB in the end (delta: 281.0 MB). Free memory was 89.2 MB in the beginning and 204.4 MB in the end (delta: -115.2 MB). Peak memory consumption was 165.8 MB. Max. memory is 7.1 GB. [2019-09-20 22:32:46,939 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 135.3 MB. Free memory was 108.5 MB in the beginning and 108.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 22:32:46,940 INFO L168 Benchmark]: CACSL2BoogieTranslator took 711.91 ms. Allocated memory was 135.3 MB in the beginning and 201.9 MB in the end (delta: 66.6 MB). Free memory was 89.0 MB in the beginning and 166.4 MB in the end (delta: -77.4 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. [2019-09-20 22:32:46,941 INFO L168 Benchmark]: Boogie Preprocessor took 85.99 ms. Allocated memory is still 201.9 MB. Free memory was 166.4 MB in the beginning and 162.2 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2019-09-20 22:32:46,942 INFO L168 Benchmark]: RCFGBuilder took 1489.61 ms. Allocated memory was 201.9 MB in the beginning and 230.7 MB in the end (delta: 28.8 MB). Free memory was 162.2 MB in the beginning and 145.6 MB in the end (delta: 16.6 MB). Peak memory consumption was 85.0 MB. Max. memory is 7.1 GB. [2019-09-20 22:32:46,943 INFO L168 Benchmark]: Sifa took 34085.35 ms. Allocated memory was 230.7 MB in the beginning and 416.3 MB in the end (delta: 185.6 MB). Free memory was 145.6 MB in the beginning and 204.4 MB in the end (delta: -58.8 MB). Peak memory consumption was 126.8 MB. Max. memory is 7.1 GB. [2019-09-20 22:32:46,947 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 135.3 MB. Free memory was 108.5 MB in the beginning and 108.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 711.91 ms. Allocated memory was 135.3 MB in the beginning and 201.9 MB in the end (delta: 66.6 MB). Free memory was 89.0 MB in the beginning and 166.4 MB in the end (delta: -77.4 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 85.99 ms. Allocated memory is still 201.9 MB. Free memory was 166.4 MB in the beginning and 162.2 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1489.61 ms. Allocated memory was 201.9 MB in the beginning and 230.7 MB in the end (delta: 28.8 MB). Free memory was 162.2 MB in the beginning and 145.6 MB in the end (delta: 16.6 MB). Peak memory consumption was 85.0 MB. Max. memory is 7.1 GB. * Sifa took 34085.35 ms. Allocated memory was 230.7 MB in the beginning and 416.3 MB in the end (delta: 185.6 MB). Free memory was 145.6 MB in the beginning and 204.4 MB in the end (delta: -58.8 MB). Peak memory consumption was 126.8 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]: 34034, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 296, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 201, TOOLS_POST_TIME[ms]: 28980, TOOLS_POST_CALL_APPLICATIONS: 73, TOOLS_POST_CALL_TIME[ms]: 75, TOOLS_POST_RETURN_APPLICATIONS: 64, TOOLS_POST_RETURN_TIME[ms]: 33, TOOLS_QUANTIFIERELIM_APPLICATIONS: 338, TOOLS_QUANTIFIERELIM_TIME[ms]: 29022, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 28934, FLUID_QUERY_TIME[ms]: 0, FLUID_QUERIES: 303, FLUID_YES_ANSWERS: 303, DOMAIN_JOIN_APPLICATIONS: 112, DOMAIN_JOIN_TIME[ms]: 4311, DOMAIN_ALPHA_APPLICATIONS: 303, DOMAIN_ALPHA_TIME[ms]: 430, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 7, DOMAIN_ISSUBSETEQ_TIME[ms]: 3, DOMAIN_ISBOTTOM_APPLICATIONS: 68, DOMAIN_ISBOTTOM_TIME[ms]: 46, LOOP_SUMMARIZER_APPLICATIONS: 7, LOOP_SUMMARIZER_CACHE_MISSES: 7, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 1045, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1044, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 7, CALL_SUMMARIZER_APPLICATIONS: 64, CALL_SUMMARIZER_CACHE_MISSES: 22, CALL_SUMMARIZER_OVERALL_TIME[ms]: 32730, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 32728, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 45, DAG_COMPRESSION_PROCESSED_NODES: 531, DAG_COMPRESSION_RETAINED_NODES: 258 - UnprovableResult [Line: 940]: 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 927#true. Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...