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 NeverFluid --sifa.intern.fluid NeverFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product15.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-19 22:57:19,530 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-19 22:57:19,532 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-19 22:57:19,544 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-19 22:57:19,544 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-19 22:57:19,545 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-19 22:57:19,547 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-19 22:57:19,548 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-19 22:57:19,550 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-19 22:57:19,551 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-19 22:57:19,552 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-19 22:57:19,553 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-19 22:57:19,553 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-19 22:57:19,554 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-19 22:57:19,555 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-19 22:57:19,556 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-19 22:57:19,557 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-19 22:57:19,558 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-19 22:57:19,559 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-19 22:57:19,561 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-19 22:57:19,562 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-19 22:57:19,563 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-19 22:57:19,564 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-19 22:57:19,565 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-19 22:57:19,567 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-19 22:57:19,567 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-19 22:57:19,567 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-19 22:57:19,568 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-19 22:57:19,568 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-19 22:57:19,569 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-19 22:57:19,570 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-19 22:57:19,570 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-19 22:57:19,571 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-19 22:57:19,572 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-19 22:57:19,573 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-19 22:57:19,573 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-19 22:57:19,574 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-19 22:57:19,574 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-19 22:57:19,574 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-19 22:57:19,575 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-19 22:57:19,576 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-19 22:57:19,576 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 [2019-09-19 22:57:19,590 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-19 22:57:19,590 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-19 22:57:19,591 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-19 22:57:19,591 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-19 22:57:19,591 INFO L138 SettingsManager]: * Use SBE=true [2019-09-19 22:57:19,592 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-19 22:57:19,592 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-19 22:57:19,592 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-19 22:57:19,592 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-19 22:57:19,593 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-19 22:57:19,593 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-19 22:57:19,593 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-19 22:57:19,593 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-19 22:57:19,593 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-19 22:57:19,593 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-19 22:57:19,594 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-19 22:57:19,594 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-19 22:57:19,594 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-19 22:57:19,594 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-19 22:57:19,594 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-19 22:57:19,595 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-19 22:57:19,595 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-19 22:57:19,595 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-19 22:57:19,595 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-19 22:57:19,595 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-19 22:57:19,596 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-19 22:57:19,596 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-19 22:57:19,596 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-19 22:57:19,596 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 -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-19 22:57:19,627 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-19 22:57:19,639 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-19 22:57:19,645 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-19 22:57:19,647 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-19 22:57:19,647 INFO L275 PluginConnector]: CDTParser initialized [2019-09-19 22:57:19,648 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product15.cil.c [2019-09-19 22:57:19,714 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb0cbaa41/f09a244f4a264f1ba81d27b383006df5/FLAGbb610817d [2019-09-19 22:57:20,225 INFO L306 CDTParser]: Found 1 translation units. [2019-09-19 22:57:20,227 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product15.cil.c [2019-09-19 22:57:20,243 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb0cbaa41/f09a244f4a264f1ba81d27b383006df5/FLAGbb610817d [2019-09-19 22:57:20,552 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb0cbaa41/f09a244f4a264f1ba81d27b383006df5 [2019-09-19 22:57:20,562 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-19 22:57:20,564 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-19 22:57:20,565 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-19 22:57:20,566 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-19 22:57:20,569 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-19 22:57:20,570 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 10:57:20" (1/1) ... [2019-09-19 22:57:20,573 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@772ff177 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:57:20, skipping insertion in model container [2019-09-19 22:57:20,573 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 10:57:20" (1/1) ... [2019-09-19 22:57:20,581 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-19 22:57:20,643 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-19 22:57:21,103 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 22:57:21,118 INFO L188 MainTranslator]: Completed pre-run [2019-09-19 22:57:21,202 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 22:57:21,239 INFO L192 MainTranslator]: Completed translation [2019-09-19 22:57:21,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:57:21 WrapperNode [2019-09-19 22:57:21,240 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-19 22:57:21,241 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-19 22:57:21,241 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-19 22:57:21,241 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-19 22:57:21,255 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:57:21" (1/1) ... [2019-09-19 22:57:21,255 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:57:21" (1/1) ... [2019-09-19 22:57:21,275 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:57:21" (1/1) ... [2019-09-19 22:57:21,275 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:57:21" (1/1) ... [2019-09-19 22:57:21,305 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:57:21" (1/1) ... [2019-09-19 22:57:21,315 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:57:21" (1/1) ... [2019-09-19 22:57:21,321 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:57:21" (1/1) ... [2019-09-19 22:57:21,328 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-19 22:57:21,329 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-19 22:57:21,329 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-19 22:57:21,329 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-19 22:57:21,330 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:57:21" (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 [2019-09-19 22:57:21,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-19 22:57:21,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-19 22:57:21,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-19 22:57:21,393 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-19 22:57:21,394 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-09-19 22:57:21,394 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-19 22:57:21,394 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2019-09-19 22:57:21,394 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-19 22:57:21,394 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-19 22:57:21,395 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-19 22:57:21,395 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-19 22:57:21,395 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-19 22:57:21,395 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-19 22:57:21,395 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-19 22:57:21,395 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-19 22:57:21,396 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-19 22:57:21,396 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-19 22:57:21,396 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-19 22:57:21,396 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-19 22:57:21,396 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-19 22:57:21,396 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-19 22:57:21,397 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-19 22:57:21,397 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-19 22:57:21,397 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-19 22:57:21,397 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-19 22:57:21,397 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-19 22:57:21,397 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-19 22:57:21,398 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-19 22:57:21,398 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-19 22:57:21,398 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-19 22:57:21,398 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-19 22:57:21,398 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-09-19 22:57:21,398 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-09-19 22:57:21,398 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-19 22:57:21,399 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-19 22:57:21,399 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-19 22:57:21,399 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-19 22:57:21,399 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-19 22:57:21,399 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-19 22:57:21,399 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-19 22:57:21,399 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-19 22:57:21,400 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-19 22:57:21,400 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-19 22:57:21,400 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-19 22:57:21,400 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-19 22:57:21,400 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-19 22:57:21,400 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-19 22:57:21,400 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-19 22:57:21,401 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-19 22:57:21,401 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-19 22:57:21,401 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-09-19 22:57:21,401 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-19 22:57:21,401 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-09-19 22:57:21,401 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-19 22:57:21,401 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2019-09-19 22:57:21,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-19 22:57:21,402 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-19 22:57:21,402 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-19 22:57:21,402 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-19 22:57:21,402 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-19 22:57:21,403 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-19 22:57:21,403 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-19 22:57:21,403 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-19 22:57:21,403 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-19 22:57:21,403 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-19 22:57:21,403 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-19 22:57:21,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-19 22:57:21,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-19 22:57:21,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-19 22:57:21,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-19 22:57:21,404 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-19 22:57:21,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-19 22:57:21,404 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-19 22:57:21,405 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-19 22:57:21,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-19 22:57:21,405 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-19 22:57:21,405 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-19 22:57:21,405 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-19 22:57:21,405 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-19 22:57:21,405 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-19 22:57:21,406 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-19 22:57:21,406 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-19 22:57:21,406 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-09-19 22:57:21,406 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-19 22:57:21,406 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-19 22:57:21,406 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-19 22:57:21,407 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-19 22:57:21,407 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-19 22:57:21,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-19 22:57:21,407 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-19 22:57:22,867 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-19 22:57:22,867 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-19 22:57:22,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 10:57:22 BoogieIcfgContainer [2019-09-19 22:57:22,869 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-19 22:57:22,869 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-19 22:57:22,870 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-19 22:57:22,870 INFO L275 PluginConnector]: Sifa initialized [2019-09-19 22:57:22,871 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 10:57:22" (1/1) ... [2019-09-19 22:57:22,871 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=NeverFluid ♦ 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=NeverFluid [2019-09-19 22:57:22,902 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-19 22:57:22,902 INFO L169 IcfgInterpreter]: Building call graph [2019-09-19 22:57:22,914 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-19 22:57:22,929 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-19 22:57:22,930 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-19 22:57:47,984 WARN L191 SmtUtils]: Spent 15.24 s on a formula simplification that was a NOOP. DAG size: 466 [2019-09-19 22:57:49,633 WARN L191 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-19 22:57:53,740 WARN L191 SmtUtils]: Spent 4.10 s on a formula simplification. DAG size of input: 474 DAG size of output: 424 [2019-09-19 22:57:55,620 WARN L191 SmtUtils]: Spent 1.87 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-19 22:57:57,497 WARN L191 SmtUtils]: Spent 1.87 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-19 22:57:57,513 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 434 for LOIs [2019-09-19 22:57:57,580 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 434 for LOIs [2019-09-19 22:57:57,600 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 434 for LOIs [2019-09-19 22:58:09,332 WARN L191 SmtUtils]: Spent 11.62 s on a formula simplification. DAG size of input: 447 DAG size of output: 446 [2019-09-19 22:58:14,939 WARN L191 SmtUtils]: Spent 5.61 s on a formula simplification that was a NOOP. DAG size: 446 [2019-09-19 22:58:33,487 WARN L191 SmtUtils]: Spent 18.44 s on a formula simplification. DAG size of input: 461 DAG size of output: 459 [2019-09-19 22:58:42,697 WARN L191 SmtUtils]: Spent 9.21 s on a formula simplification that was a NOOP. DAG size: 459 [2019-09-19 22:59:15,583 WARN L191 SmtUtils]: Spent 32.77 s on a formula simplification. DAG size of input: 484 DAG size of output: 481 [2019-09-19 22:59:32,096 WARN L191 SmtUtils]: Spent 16.51 s on a formula simplification that was a NOOP. DAG size: 481 [2019-09-19 22:59:48,826 WARN L191 SmtUtils]: Spent 16.73 s on a formula simplification that was a NOOP. DAG size: 486 [2019-09-19 22:59:49,813 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 37 [2019-09-19 22:59:50,403 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 35 [2019-09-19 22:59:50,569 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 35 [2019-09-19 22:59:51,083 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 37 [2019-09-19 22:59:51,291 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 10 for LOIs [2019-09-19 22:59:51,761 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 10 for LOIs [2019-09-19 22:59:51,871 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification2_spec__2 with input of size 3 for LOIs [2019-09-19 22:59:51,876 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 19 for LOIs [2019-09-19 22:59:51,900 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-19 22:59:51,901 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-19 22:59:51,903 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 467#(and (not (= 0 ~methAndRunningLastTime~0)) (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (not (= ~pumpRunning~0 0))) [2019-09-19 22:59:51,915 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-19 22:59:51,915 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-19 22:59:51,916 INFO L168 Benchmark]: Toolchain (without parser) took 151352.72 ms. Allocated memory was 134.2 MB in the beginning and 201.9 MB in the end (delta: 67.6 MB). Free memory was 89.2 MB in the beginning and 134.2 MB in the end (delta: -45.0 MB). Peak memory consumption was 22.6 MB. Max. memory is 7.1 GB. [2019-09-19 22:59:51,917 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 134.2 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. [2019-09-19 22:59:51,918 INFO L168 Benchmark]: CACSL2BoogieTranslator took 675.03 ms. Allocated memory was 134.2 MB in the beginning and 201.3 MB in the end (delta: 67.1 MB). Free memory was 89.0 MB in the beginning and 166.9 MB in the end (delta: -77.9 MB). Peak memory consumption was 27.6 MB. Max. memory is 7.1 GB. [2019-09-19 22:59:51,919 INFO L168 Benchmark]: Boogie Preprocessor took 87.55 ms. Allocated memory is still 201.3 MB. Free memory was 166.9 MB in the beginning and 162.5 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-09-19 22:59:51,920 INFO L168 Benchmark]: RCFGBuilder took 1540.06 ms. Allocated memory was 201.3 MB in the beginning and 228.6 MB in the end (delta: 27.3 MB). Free memory was 162.5 MB in the beginning and 152.7 MB in the end (delta: 9.8 MB). Peak memory consumption was 87.3 MB. Max. memory is 7.1 GB. [2019-09-19 22:59:51,921 INFO L168 Benchmark]: Sifa took 149045.60 ms. Allocated memory was 228.6 MB in the beginning and 201.9 MB in the end (delta: -26.7 MB). Free memory was 152.7 MB in the beginning and 134.2 MB in the end (delta: 18.5 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-19 22:59:51,925 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 134.2 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 675.03 ms. Allocated memory was 134.2 MB in the beginning and 201.3 MB in the end (delta: 67.1 MB). Free memory was 89.0 MB in the beginning and 166.9 MB in the end (delta: -77.9 MB). Peak memory consumption was 27.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 87.55 ms. Allocated memory is still 201.3 MB. Free memory was 166.9 MB in the beginning and 162.5 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1540.06 ms. Allocated memory was 201.3 MB in the beginning and 228.6 MB in the end (delta: 27.3 MB). Free memory was 162.5 MB in the beginning and 152.7 MB in the end (delta: 9.8 MB). Peak memory consumption was 87.3 MB. Max. memory is 7.1 GB. * Sifa took 149045.60 ms. Allocated memory was 228.6 MB in the beginning and 201.9 MB in the end (delta: -26.7 MB). Free memory was 152.7 MB in the beginning and 134.2 MB in the end (delta: 18.5 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 149002, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 230, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 154, TOOLS_POST_TIME[ms]: 30799, TOOLS_POST_CALL_APPLICATIONS: 66, TOOLS_POST_CALL_TIME[ms]: 121, TOOLS_POST_RETURN_APPLICATIONS: 57, TOOLS_POST_RETURN_TIME[ms]: 65, TOOLS_QUANTIFIERELIM_APPLICATIONS: 277, TOOLS_QUANTIFIERELIM_TIME[ms]: 30904, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 30738, FLUID_QUERY_TIME[ms]: 0, FLUID_QUERIES: 237, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 74, DOMAIN_JOIN_TIME[ms]: 117318, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 5, DOMAIN_WIDEN_TIME[ms]: 306, DOMAIN_ISSUBSETEQ_APPLICATIONS: 7, DOMAIN_ISSUBSETEQ_TIME[ms]: 11, DOMAIN_ISBOTTOM_APPLICATIONS: 41, DOMAIN_ISBOTTOM_TIME[ms]: 228, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 112810, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 112809, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 7, CALL_SUMMARIZER_APPLICATIONS: 57, CALL_SUMMARIZER_CACHE_MISSES: 21, CALL_SUMMARIZER_OVERALL_TIME[ms]: 35364, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 35363, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 8, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 36, DAG_COMPRESSION_PROCESSED_NODES: 434, DAG_COMPRESSION_RETAINED_NODES: 224 - UnprovableResult [Line: 370]: 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 467#(and (not (= 0 ~methAndRunningLastTime~0)) (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...