java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product16.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 08:35:18,560 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 08:35:18,562 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 08:35:18,574 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 08:35:18,574 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 08:35:18,576 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 08:35:18,577 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 08:35:18,579 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 08:35:18,581 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 08:35:18,582 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 08:35:18,583 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 08:35:18,584 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 08:35:18,584 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 08:35:18,585 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 08:35:18,586 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 08:35:18,588 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 08:35:18,588 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 08:35:18,589 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 08:35:18,591 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 08:35:18,594 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 08:35:18,595 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 08:35:18,597 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 08:35:18,598 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 08:35:18,599 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 08:35:18,602 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-21 08:35:18,602 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-21 08:35:18,603 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-21 08:35:18,606 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-21 08:35:18,606 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-21 08:35:18,607 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-21 08:35:18,608 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 08:35:18,609 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 08:35:18,609 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 08:35:18,610 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 08:35:18,611 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 08:35:18,612 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 08:35:18,613 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 08:35:18,613 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 08:35:18,613 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 08:35:18,614 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 08:35:18,615 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 08:35:18,616 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 08:35:18,631 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 08:35:18,631 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 08:35:18,633 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 08:35:18,633 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 08:35:18,633 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 08:35:18,633 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 08:35:18,634 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 08:35:18,634 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 08:35:18,634 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 08:35:18,634 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 08:35:18,634 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 08:35:18,635 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 08:35:18,635 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 08:35:18,635 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 08:35:18,635 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 08:35:18,635 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 08:35:18,635 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 08:35:18,636 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 08:35:18,636 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 08:35:18,636 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 08:35:18,636 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 08:35:18,636 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 08:35:18,637 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 08:35:18,637 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 08:35:18,637 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 08:35:18,637 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 08:35:18,637 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 08:35:18,638 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 08:35:18,638 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-09-21 08:35:18,671 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 08:35:18,683 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 08:35:18,687 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 08:35:18,688 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 08:35:18,688 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 08:35:18,689 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product16.cil.c [2019-09-21 08:35:18,750 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd6b2c1c2/1df2d8b6ee664bc5bcf78d78fb774dba/FLAG1fe60e65a [2019-09-21 08:35:19,303 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 08:35:19,304 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product16.cil.c [2019-09-21 08:35:19,336 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd6b2c1c2/1df2d8b6ee664bc5bcf78d78fb774dba/FLAG1fe60e65a [2019-09-21 08:35:19,600 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd6b2c1c2/1df2d8b6ee664bc5bcf78d78fb774dba [2019-09-21 08:35:19,615 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 08:35:19,618 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 08:35:19,619 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 08:35:19,619 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 08:35:19,622 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 08:35:19,623 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 08:35:19" (1/1) ... [2019-09-21 08:35:19,627 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a6da0b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:35:19, skipping insertion in model container [2019-09-21 08:35:19,628 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 08:35:19" (1/1) ... [2019-09-21 08:35:19,636 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 08:35:19,704 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 08:35:20,141 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 08:35:20,165 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 08:35:20,242 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 08:35:20,285 INFO L192 MainTranslator]: Completed translation [2019-09-21 08:35:20,285 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:35:20 WrapperNode [2019-09-21 08:35:20,285 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 08:35:20,286 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 08:35:20,286 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 08:35:20,286 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 08:35:20,301 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:35:20" (1/1) ... [2019-09-21 08:35:20,301 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:35:20" (1/1) ... [2019-09-21 08:35:20,339 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:35:20" (1/1) ... [2019-09-21 08:35:20,340 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:35:20" (1/1) ... [2019-09-21 08:35:20,383 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:35:20" (1/1) ... [2019-09-21 08:35:20,393 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:35:20" (1/1) ... [2019-09-21 08:35:20,398 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:35:20" (1/1) ... [2019-09-21 08:35:20,405 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 08:35:20,406 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 08:35:20,406 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 08:35:20,406 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 08:35:20,407 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:35:20" (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 08:35:20,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 08:35:20,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 08:35:20,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-21 08:35:20,472 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-21 08:35:20,472 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-21 08:35:20,472 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-21 08:35:20,472 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-21 08:35:20,472 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-21 08:35:20,473 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-21 08:35:20,473 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-21 08:35:20,473 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-21 08:35:20,473 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-21 08:35:20,473 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-21 08:35:20,473 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-21 08:35:20,474 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-21 08:35:20,474 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-21 08:35:20,474 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-21 08:35:20,474 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-21 08:35:20,474 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-21 08:35:20,475 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-21 08:35:20,475 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-21 08:35:20,475 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-21 08:35:20,475 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-21 08:35:20,475 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 08:35:20,475 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-21 08:35:20,476 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-21 08:35:20,476 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-09-21 08:35:20,476 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-21 08:35:20,476 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2019-09-21 08:35:20,476 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-21 08:35:20,476 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-21 08:35:20,477 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-21 08:35:20,477 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-21 08:35:20,477 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-21 08:35:20,477 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-21 08:35:20,477 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-21 08:35:20,477 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-21 08:35:20,478 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-21 08:35:20,478 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 08:35:20,478 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-21 08:35:20,478 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-21 08:35:20,478 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-21 08:35:20,478 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-21 08:35:20,479 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-21 08:35:20,479 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-21 08:35:20,479 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-21 08:35:20,479 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-21 08:35:20,479 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-21 08:35:20,479 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-21 08:35:20,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-21 08:35:20,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-21 08:35:20,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-21 08:35:20,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-21 08:35:20,480 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-21 08:35:20,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-21 08:35:20,480 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-21 08:35:20,481 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-21 08:35:20,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-21 08:35:20,481 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-21 08:35:20,481 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-21 08:35:20,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-21 08:35:20,481 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-21 08:35:20,482 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-21 08:35:20,482 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-21 08:35:20,482 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-21 08:35:20,482 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-21 08:35:20,482 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-21 08:35:20,482 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-21 08:35:20,482 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-21 08:35:20,483 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-21 08:35:20,483 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-21 08:35:20,483 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-21 08:35:20,483 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-21 08:35:20,483 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-21 08:35:20,483 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-21 08:35:20,484 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 08:35:20,484 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-21 08:35:20,484 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-21 08:35:20,484 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-21 08:35:20,484 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-21 08:35:20,484 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-21 08:35:20,485 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-21 08:35:20,485 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-21 08:35:20,485 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-21 08:35:20,485 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-09-21 08:35:20,485 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-21 08:35:20,485 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2019-09-21 08:35:20,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 08:35:20,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-21 08:35:20,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 08:35:21,925 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 08:35:21,925 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-21 08:35:21,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 08:35:21 BoogieIcfgContainer [2019-09-21 08:35:21,928 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 08:35:21,929 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 08:35:21,929 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 08:35:21,930 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 08:35:21,931 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 08:35:21" (1/1) ... [2019-09-21 08:35:21,932 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-21 08:35:21,976 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 08:35:21,977 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 08:35:21,991 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 08:35:22,005 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 08:35:22,007 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 08:35:33,673 WARN L191 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-09-21 08:35:35,317 WARN L191 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-21 08:35:35,500 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-21 08:35:35,643 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-21 08:35:35,756 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-21 08:35:35,774 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 480 for LOIs [2019-09-21 08:35:35,821 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 480 for LOIs [2019-09-21 08:35:35,827 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 480 for LOIs [2019-09-21 08:35:36,002 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 484 [2019-09-21 08:35:36,146 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 484 [2019-09-21 08:35:36,562 WARN L191 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-21 08:35:36,873 WARN L191 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-21 08:35:37,143 WARN L191 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-21 08:35:37,386 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-21 08:35:37,575 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-21 08:35:37,757 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-21 08:35:37,928 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-21 08:35:38,123 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-21 08:35:38,512 WARN L191 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-21 08:35:38,863 WARN L191 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-21 08:35:39,643 WARN L191 SmtUtils]: Spent 703.00 ms on a formula simplification that was a NOOP. DAG size: 536 [2019-09-21 08:35:40,216 WARN L191 SmtUtils]: Spent 572.00 ms on a formula simplification that was a NOOP. DAG size: 536 [2019-09-21 08:35:40,616 WARN L191 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-21 08:35:40,917 WARN L191 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-21 08:35:41,966 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 548 [2019-09-21 08:35:42,398 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 515 [2019-09-21 08:35:42,548 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 515 [2019-09-21 08:35:42,665 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 515 [2019-09-21 08:35:42,780 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 515 [2019-09-21 08:35:43,258 WARN L191 SmtUtils]: Spent 441.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-21 08:35:43,708 WARN L191 SmtUtils]: Spent 449.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-21 08:35:44,374 WARN L191 SmtUtils]: Spent 606.00 ms on a formula simplification that was a NOOP. DAG size: 536 [2019-09-21 08:35:44,947 WARN L191 SmtUtils]: Spent 572.00 ms on a formula simplification that was a NOOP. DAG size: 536 [2019-09-21 08:35:45,322 WARN L191 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-21 08:35:45,599 WARN L191 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2019-09-21 08:35:47,601 WARN L191 SmtUtils]: Spent 1.97 s on a formula simplification that was a NOOP. DAG size: 548 [2019-09-21 08:35:47,757 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 40 for LOIs [2019-09-21 08:35:47,847 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 7 for LOIs [2019-09-21 08:35:47,857 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 27 for LOIs [2019-09-21 08:35:47,862 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 32 for LOIs [2019-09-21 08:35:47,865 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-21 08:35:47,865 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-21 08:35:47,867 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 443#(and (or (and (and (= 0 ~methaneLevelCritical~0) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647)) (not (= 0 ~systemActive~0))) (and (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0)) (= 0 ~systemActive~0))) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~pumpRunning~0 2147483648)) (= 0 ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2019-09-21 08:35:47,880 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-21 08:35:47,880 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-21 08:35:47,882 INFO L168 Benchmark]: Toolchain (without parser) took 28264.73 ms. Allocated memory was 132.6 MB in the beginning and 820.0 MB in the end (delta: 687.3 MB). Free memory was 87.1 MB in the beginning and 675.0 MB in the end (delta: -588.0 MB). Peak memory consumption was 99.4 MB. Max. memory is 7.1 GB. [2019-09-21 08:35:47,883 INFO L168 Benchmark]: CDTParser took 0.23 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 08:35:47,884 INFO L168 Benchmark]: CACSL2BoogieTranslator took 667.23 ms. Allocated memory was 132.6 MB in the beginning and 199.8 MB in the end (delta: 67.1 MB). Free memory was 86.8 MB in the beginning and 164.5 MB in the end (delta: -77.7 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. [2019-09-21 08:35:47,885 INFO L168 Benchmark]: Boogie Preprocessor took 119.42 ms. Allocated memory is still 199.8 MB. Free memory was 164.5 MB in the beginning and 160.8 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2019-09-21 08:35:47,886 INFO L168 Benchmark]: RCFGBuilder took 1522.27 ms. Allocated memory was 199.8 MB in the beginning and 223.3 MB in the end (delta: 23.6 MB). Free memory was 160.8 MB in the beginning and 147.9 MB in the end (delta: 12.9 MB). Peak memory consumption was 90.9 MB. Max. memory is 7.1 GB. [2019-09-21 08:35:47,887 INFO L168 Benchmark]: Sifa took 25951.55 ms. Allocated memory was 223.3 MB in the beginning and 820.0 MB in the end (delta: 596.6 MB). Free memory was 147.9 MB in the beginning and 675.0 MB in the end (delta: -527.2 MB). Peak memory consumption was 69.5 MB. Max. memory is 7.1 GB. [2019-09-21 08:35:47,893 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 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 667.23 ms. Allocated memory was 132.6 MB in the beginning and 199.8 MB in the end (delta: 67.1 MB). Free memory was 86.8 MB in the beginning and 164.5 MB in the end (delta: -77.7 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 119.42 ms. Allocated memory is still 199.8 MB. Free memory was 164.5 MB in the beginning and 160.8 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1522.27 ms. Allocated memory was 199.8 MB in the beginning and 223.3 MB in the end (delta: 23.6 MB). Free memory was 160.8 MB in the beginning and 147.9 MB in the end (delta: 12.9 MB). Peak memory consumption was 90.9 MB. Max. memory is 7.1 GB. * Sifa took 25951.55 ms. Allocated memory was 223.3 MB in the beginning and 820.0 MB in the end (delta: 596.6 MB). Free memory was 147.9 MB in the beginning and 675.0 MB in the end (delta: -527.2 MB). Peak memory consumption was 69.5 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]: 25891, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 226, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 147, TOOLS_POST_TIME[ms]: 13545, TOOLS_POST_CALL_APPLICATIONS: 64, TOOLS_POST_CALL_TIME[ms]: 211, TOOLS_POST_RETURN_APPLICATIONS: 55, TOOLS_POST_RETURN_TIME[ms]: 141, TOOLS_QUANTIFIERELIM_APPLICATIONS: 266, TOOLS_QUANTIFIERELIM_TIME[ms]: 13762, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 13411, FLUID_QUERY_TIME[ms]: 11, FLUID_QUERIES: 231, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 75, DOMAIN_JOIN_TIME[ms]: 11613, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 19, DOMAIN_ISSUBSETEQ_APPLICATIONS: 5, DOMAIN_ISSUBSETEQ_TIME[ms]: 7, DOMAIN_ISBOTTOM_APPLICATIONS: 39, DOMAIN_ISBOTTOM_TIME[ms]: 198, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 506, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 505, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 5, CALL_SUMMARIZER_APPLICATIONS: 55, CALL_SUMMARIZER_CACHE_MISSES: 22, CALL_SUMMARIZER_OVERALL_TIME[ms]: 13799, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 13799, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 33, DAG_COMPRESSION_PROCESSED_NODES: 428, DAG_COMPRESSION_RETAINED_NODES: 237 - UnprovableResult [Line: 633]: 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 443#(and (or (and (and (= 0 ~methaneLevelCritical~0) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647)) (not (= 0 ~systemActive~0))) (and (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0)) (= 0 ~systemActive~0))) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~pumpRunning~0 2147483648)) (= 0 ~waterLevel~0) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...