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 SingleStatement --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product56.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 19:39:06,543 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 19:39:06,546 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 19:39:06,561 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 19:39:06,562 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 19:39:06,563 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 19:39:06,564 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 19:39:06,566 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 19:39:06,568 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 19:39:06,569 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 19:39:06,570 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 19:39:06,571 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 19:39:06,571 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 19:39:06,572 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 19:39:06,573 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 19:39:06,574 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 19:39:06,575 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 19:39:06,576 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 19:39:06,577 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 19:39:06,579 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 19:39:06,580 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 19:39:06,581 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 19:39:06,582 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 19:39:06,583 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 19:39:06,585 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 19:39:06,585 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 19:39:06,586 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 19:39:06,586 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 19:39:06,587 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 19:39:06,588 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 19:39:06,588 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 19:39:06,589 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 19:39:06,590 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 19:39:06,590 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 19:39:06,591 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 19:39:06,591 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 19:39:06,592 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 19:39:06,592 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 19:39:06,592 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 19:39:06,593 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 19:39:06,594 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 19:39:06,595 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 19:39:06,614 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 19:39:06,614 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 19:39:06,615 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 19:39:06,616 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 19:39:06,616 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 19:39:06,616 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 19:39:06,616 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 19:39:06,616 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 19:39:06,617 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 19:39:06,617 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 19:39:06,617 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 19:39:06,617 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 19:39:06,617 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 19:39:06,617 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 19:39:06,618 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 19:39:06,618 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 19:39:06,618 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 19:39:06,618 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 19:39:06,618 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 19:39:06,619 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 19:39:06,619 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 19:39:06,619 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 19:39:06,619 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 19:39:06,619 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 19:39:06,620 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 19:39:06,620 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 19:39:06,620 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 19:39:06,620 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 19:39:06,620 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 -> SingleStatement 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_DDA [2019-09-20 19:39:06,650 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 19:39:06,663 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 19:39:06,666 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 19:39:06,673 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 19:39:06,675 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 19:39:06,676 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product56.cil.c [2019-09-20 19:39:06,737 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18be736a8/5116309b5f314953ac30fe311c392951/FLAGf9de659ed [2019-09-20 19:39:07,173 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 19:39:07,174 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product56.cil.c [2019-09-20 19:39:07,198 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18be736a8/5116309b5f314953ac30fe311c392951/FLAGf9de659ed [2019-09-20 19:39:07,595 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18be736a8/5116309b5f314953ac30fe311c392951 [2019-09-20 19:39:07,605 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 19:39:07,606 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 19:39:07,607 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 19:39:07,608 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 19:39:07,611 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 19:39:07,612 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 07:39:07" (1/1) ... [2019-09-20 19:39:07,615 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@399366e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:39:07, skipping insertion in model container [2019-09-20 19:39:07,615 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 07:39:07" (1/1) ... [2019-09-20 19:39:07,623 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 19:39:07,665 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 19:39:08,117 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 19:39:08,132 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 19:39:08,219 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 19:39:08,260 INFO L192 MainTranslator]: Completed translation [2019-09-20 19:39:08,261 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:39:08 WrapperNode [2019-09-20 19:39:08,261 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 19:39:08,261 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 19:39:08,262 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 19:39:08,262 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 19:39:08,276 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:39:08" (1/1) ... [2019-09-20 19:39:08,276 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:39:08" (1/1) ... [2019-09-20 19:39:08,296 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:39:08" (1/1) ... [2019-09-20 19:39:08,297 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:39:08" (1/1) ... [2019-09-20 19:39:08,336 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:39:08" (1/1) ... [2019-09-20 19:39:08,352 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:39:08" (1/1) ... [2019-09-20 19:39:08,357 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:39:08" (1/1) ... [2019-09-20 19:39:08,386 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 19:39:08,387 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 19:39:08,387 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 19:39:08,387 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 19:39:08,391 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:39:08" (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 19:39:08,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 19:39:08,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 19:39:08,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 19:39:08,469 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 19:39:08,470 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 19:39:08,470 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 19:39:08,471 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-20 19:39:08,471 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 19:39:08,471 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 19:39:08,472 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 19:39:08,472 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 19:39:08,473 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 19:39:08,473 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 19:39:08,473 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-20 19:39:08,473 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-20 19:39:08,473 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-20 19:39:08,476 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-20 19:39:08,476 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 19:39:08,476 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 19:39:08,476 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 19:39:08,476 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 19:39:08,477 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 19:39:08,477 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 19:39:08,477 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 19:39:08,477 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-20 19:39:08,477 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 19:39:08,477 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 19:39:08,477 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 19:39:08,477 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 19:39:08,478 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 19:39:08,478 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 19:39:08,478 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 19:39:08,478 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 19:39:08,478 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 19:39:08,478 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 19:39:08,479 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 19:39:08,479 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 19:39:08,479 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-20 19:39:08,479 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-20 19:39:08,479 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 19:39:08,480 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 19:39:08,480 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 19:39:08,480 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 19:39:08,480 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 19:39:08,480 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 19:39:08,481 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 19:39:08,481 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 19:39:08,483 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 19:39:08,483 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 19:39:08,483 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-20 19:39:08,483 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-20 19:39:08,483 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 19:39:08,483 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 19:39:08,484 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 19:39:08,484 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 19:39:08,484 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 19:39:08,484 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-20 19:39:08,484 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-20 19:39:08,484 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-20 19:39:08,485 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 19:39:08,485 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 19:39:08,485 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-20 19:39:08,486 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 19:39:08,486 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-20 19:39:08,486 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-20 19:39:08,486 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 19:39:08,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 19:39:08,486 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 19:39:08,486 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 19:39:08,487 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 19:39:08,487 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 19:39:08,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 19:39:08,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 19:39:08,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 19:39:08,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 19:39:08,488 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 19:39:08,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 19:39:08,489 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 19:39:08,489 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 19:39:08,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 19:39:08,490 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 19:39:08,490 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 19:39:08,491 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 19:39:08,491 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 19:39:08,491 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 19:39:08,491 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 19:39:08,491 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 19:39:08,492 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 19:39:08,492 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 19:39:08,493 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 19:39:08,493 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 19:39:08,493 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 19:39:08,493 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 19:39:08,493 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 19:39:08,493 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 19:39:08,493 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 19:39:08,494 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 19:39:08,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 19:39:08,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 19:39:08,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 19:39:09,831 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 19:39:09,831 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 19:39:09,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 07:39:09 BoogieIcfgContainer [2019-09-20 19:39:09,834 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 19:39:09,835 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 19:39:09,835 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 19:39:09,835 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 19:39:09,836 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 07:39:09" (1/1) ... [2019-09-20 19:39:09,837 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_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 19:39:09,877 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 19:39:09,877 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 19:39:09,896 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 19:39:09,908 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 19:39:09,910 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 19:39:10,562 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2019-09-20 19:39:10,736 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 56 [2019-09-20 19:39:11,039 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 83 [2019-09-20 19:39:11,264 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 78 [2019-09-20 19:39:11,732 WARN L191 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 120 [2019-09-20 19:39:12,187 WARN L191 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 117 [2019-09-20 19:39:12,813 WARN L191 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 139 [2019-09-20 19:39:13,372 WARN L191 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 136 [2019-09-20 19:39:14,267 WARN L191 SmtUtils]: Spent 776.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 161 [2019-09-20 19:39:14,996 WARN L191 SmtUtils]: Spent 615.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 160 [2019-09-20 19:39:16,044 WARN L191 SmtUtils]: Spent 924.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 180 [2019-09-20 19:39:16,769 WARN L191 SmtUtils]: Spent 630.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 175 [2019-09-20 19:39:18,139 WARN L191 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 228 DAG size of output: 200 [2019-09-20 19:39:19,011 WARN L191 SmtUtils]: Spent 771.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 195 [2019-09-20 19:39:20,664 WARN L191 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 263 DAG size of output: 209 [2019-09-20 19:39:21,645 WARN L191 SmtUtils]: Spent 854.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 204 [2019-09-20 19:39:21,966 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2019-09-20 19:39:23,589 WARN L191 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 290 DAG size of output: 218 [2019-09-20 19:39:24,691 WARN L191 SmtUtils]: Spent 972.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 213 [2019-09-20 19:39:25,014 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-09-20 19:39:26,462 WARN L191 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 337 DAG size of output: 226 [2019-09-20 19:39:27,698 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 261 DAG size of output: 223 [2019-09-20 19:39:28,340 WARN L191 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2019-09-20 19:39:30,767 WARN L191 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 391 DAG size of output: 236 [2019-09-20 19:39:32,102 WARN L191 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 279 DAG size of output: 233 [2019-09-20 19:39:32,701 WARN L191 SmtUtils]: Spent 415.00 ms on a formula simplification that was a NOOP. DAG size: 247 [2019-09-20 19:39:34,676 WARN L191 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 445 DAG size of output: 246 [2019-09-20 19:39:36,175 WARN L191 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 289 DAG size of output: 243 [2019-09-20 19:39:36,942 WARN L191 SmtUtils]: Spent 557.00 ms on a formula simplification that was a NOOP. DAG size: 297 [2019-09-20 19:39:39,536 WARN L191 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 480 DAG size of output: 256 [2019-09-20 19:39:39,804 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-09-20 19:39:41,223 WARN L191 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 310 DAG size of output: 255 [2019-09-20 19:39:42,152 WARN L191 SmtUtils]: Spent 696.00 ms on a formula simplification that was a NOOP. DAG size: 347 [2019-09-20 19:39:44,837 WARN L191 SmtUtils]: Spent 2.67 s on a formula simplification. DAG size of input: 549 DAG size of output: 268 [2019-09-20 19:39:45,129 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2019-09-20 19:39:46,704 WARN L191 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 327 DAG size of output: 267 [2019-09-20 19:39:48,349 WARN L191 SmtUtils]: Spent 845.00 ms on a formula simplification that was a NOOP. DAG size: 401