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_product32.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 19:38:31,622 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 19:38:31,624 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 19:38:31,635 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 19:38:31,636 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 19:38:31,637 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 19:38:31,638 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 19:38:31,640 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 19:38:31,642 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 19:38:31,643 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 19:38:31,644 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 19:38:31,645 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 19:38:31,645 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 19:38:31,646 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 19:38:31,647 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 19:38:31,648 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 19:38:31,649 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 19:38:31,650 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 19:38:31,652 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 19:38:31,654 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 19:38:31,656 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 19:38:31,657 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 19:38:31,658 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 19:38:31,659 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 19:38:31,662 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 19:38:31,662 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 19:38:31,662 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 19:38:31,663 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 19:38:31,664 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 19:38:31,668 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 19:38:31,668 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 19:38:31,669 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 19:38:31,671 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 19:38:31,672 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 19:38:31,673 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 19:38:31,673 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 19:38:31,674 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 19:38:31,676 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 19:38:31,676 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 19:38:31,677 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 19:38:31,678 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 19:38:31,679 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 19:38:31,705 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 19:38:31,705 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 19:38:31,707 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 19:38:31,707 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 19:38:31,707 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 19:38:31,708 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 19:38:31,708 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 19:38:31,708 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 19:38:31,708 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 19:38:31,708 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 19:38:31,709 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 19:38:31,709 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 19:38:31,710 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 19:38:31,710 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 19:38:31,710 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 19:38:31,710 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 19:38:31,711 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 19:38:31,711 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 19:38:31,711 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 19:38:31,711 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 19:38:31,712 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 19:38:31,712 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 19:38:31,712 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 19:38:31,712 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 19:38:31,712 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 19:38:31,713 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 19:38:31,713 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 19:38:31,713 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 19:38:31,713 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 19:38:31,762 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 19:38:31,780 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 19:38:31,785 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 19:38:31,787 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 19:38:31,788 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 19:38:31,790 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product32.cil.c [2019-09-20 19:38:31,861 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b6dacbdd/f22fe8be518841698111fc08696aeaf5/FLAG71a7d3707 [2019-09-20 19:38:32,349 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 19:38:32,354 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product32.cil.c [2019-09-20 19:38:32,372 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b6dacbdd/f22fe8be518841698111fc08696aeaf5/FLAG71a7d3707 [2019-09-20 19:38:32,672 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b6dacbdd/f22fe8be518841698111fc08696aeaf5 [2019-09-20 19:38:32,681 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 19:38:32,682 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 19:38:32,683 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 19:38:32,683 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 19:38:32,687 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 19:38:32,688 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 07:38:32" (1/1) ... [2019-09-20 19:38:32,690 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18ade0bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:38:32, skipping insertion in model container [2019-09-20 19:38:32,691 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 07:38:32" (1/1) ... [2019-09-20 19:38:32,698 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 19:38:32,759 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 19:38:33,214 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 19:38:33,240 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 19:38:33,348 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 19:38:33,387 INFO L192 MainTranslator]: Completed translation [2019-09-20 19:38:33,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:38:33 WrapperNode [2019-09-20 19:38:33,388 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 19:38:33,389 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 19:38:33,389 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 19:38:33,389 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 19:38:33,399 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:38:33" (1/1) ... [2019-09-20 19:38:33,399 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:38:33" (1/1) ... [2019-09-20 19:38:33,417 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:38:33" (1/1) ... [2019-09-20 19:38:33,417 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:38:33" (1/1) ... [2019-09-20 19:38:33,449 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:38:33" (1/1) ... [2019-09-20 19:38:33,462 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:38:33" (1/1) ... [2019-09-20 19:38:33,468 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:38:33" (1/1) ... [2019-09-20 19:38:33,490 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 19:38:33,490 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 19:38:33,490 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 19:38:33,491 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 19:38:33,492 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:38:33" (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 19:38:33,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 19:38:33,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 19:38:33,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 19:38:33,555 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-20 19:38:33,555 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 19:38:33,556 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 19:38:33,556 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 19:38:33,557 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 19:38:33,558 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 19:38:33,558 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 19:38:33,558 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 19:38:33,559 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 19:38:33,559 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 19:38:33,559 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 19:38:33,560 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 19:38:33,560 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 19:38:33,562 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 19:38:33,562 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 19:38:33,563 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 19:38:33,563 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 19:38:33,563 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-20 19:38:33,563 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 19:38:33,563 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 19:38:33,563 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 19:38:33,564 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 19:38:33,564 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 19:38:33,564 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 19:38:33,564 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 19:38:33,564 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 19:38:33,565 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-09-20 19:38:33,565 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 19:38:33,565 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-20 19:38:33,566 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 19:38:33,566 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 19:38:33,566 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 19:38:33,566 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 19:38:33,566 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 19:38:33,567 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-20 19:38:33,567 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-20 19:38:33,567 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-20 19:38:33,567 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 19:38:33,567 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 19:38:33,567 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 19:38:33,568 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 19:38:33,568 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 19:38:33,568 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 19:38:33,568 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 19:38:33,570 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-20 19:38:33,570 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 19:38:33,570 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 19:38:33,570 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 19:38:33,570 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 19:38:33,571 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 19:38:33,571 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 19:38:33,571 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 19:38:33,571 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 19:38:33,571 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 19:38:33,572 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 19:38:33,572 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 19:38:33,572 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 19:38:33,573 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 19:38:33,573 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 19:38:33,573 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 19:38:33,573 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 19:38:33,573 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 19:38:33,574 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-20 19:38:33,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 19:38:33,574 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 19:38:33,574 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 19:38:33,574 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 19:38:33,575 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 19:38:33,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 19:38:33,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 19:38:33,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 19:38:33,577 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 19:38:33,577 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 19:38:33,578 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 19:38:33,578 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 19:38:33,578 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 19:38:33,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 19:38:33,578 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 19:38:33,579 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 19:38:33,580 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 19:38:33,580 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 19:38:33,580 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 19:38:33,580 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-20 19:38:33,580 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-20 19:38:33,581 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 19:38:33,581 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 19:38:33,582 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-20 19:38:33,582 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-09-20 19:38:33,582 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 19:38:33,582 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-20 19:38:33,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 19:38:33,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 19:38:33,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 19:38:34,906 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 19:38:34,907 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 19:38:34,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 07:38:34 BoogieIcfgContainer [2019-09-20 19:38:34,909 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 19:38:34,909 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 19:38:34,909 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 19:38:34,910 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 19:38:34,912 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 07:38:34" (1/1) ... [2019-09-20 19:38:34,913 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 19:38:34,944 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 19:38:34,944 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 19:38:34,961 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 19:38:34,970 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 19:38:34,971 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 19:38:35,653 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 82 [2019-09-20 19:38:35,874 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 77 [2019-09-20 19:38:36,229 WARN L191 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 109 [2019-09-20 19:38:36,510 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 104 [2019-09-20 19:38:37,006 WARN L191 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 128 [2019-09-20 19:38:37,391 WARN L191 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 123 [2019-09-20 19:38:38,034 WARN L191 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 148 [2019-09-20 19:38:38,536 WARN L191 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 143 [2019-09-20 19:38:39,227 WARN L191 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 157 [2019-09-20 19:38:39,786 WARN L191 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 152 [2019-09-20 19:38:40,820 WARN L191 SmtUtils]: Spent 834.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 166 [2019-09-20 19:38:41,471 WARN L191 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 161 [2019-09-20 19:38:41,706 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2019-09-20 19:38:42,684 WARN L191 SmtUtils]: Spent 971.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 174 [2019-09-20 19:38:43,523 WARN L191 SmtUtils]: Spent 717.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 171 [2019-09-20 19:38:43,857 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-20 19:38:45,129 WARN L191 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 287 DAG size of output: 184 [2019-09-20 19:38:45,990 WARN L191 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 181 [2019-09-20 19:38:46,445 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-09-20 19:38:48,016 WARN L191 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 326 DAG size of output: 194 [2019-09-20 19:38:49,009 WARN L191 SmtUtils]: Spent 837.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 191 [2019-09-20 19:38:49,615 WARN L191 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2019-09-20 19:38:51,437 WARN L191 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 370 DAG size of output: 204 [2019-09-20 19:38:52,600 WARN L191 SmtUtils]: Spent 969.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 203 [2019-09-20 19:38:53,335 WARN L191 SmtUtils]: Spent 421.00 ms on a formula simplification that was a NOOP. DAG size: 245 [2019-09-20 19:38:55,747 WARN L191 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 398 DAG size of output: 216 [2019-09-20 19:38:55,960 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2019-09-20 19:38:57,076 WARN L191 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 251 DAG size of output: 215 [2019-09-20 19:38:57,795 WARN L191 SmtUtils]: Spent 516.00 ms on a formula simplification that was a NOOP. DAG size: 287 [2019-09-20 19:38:59,861 WARN L191 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 471 DAG size of output: 229 [2019-09-20 19:39:01,186 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 270 DAG size of output: 224 [2019-09-20 19:39:02,318 WARN L191 SmtUtils]: Spent 657.00 ms on a formula simplification that was a NOOP. DAG size: 341 [2019-09-20 19:39:05,652 WARN L191 SmtUtils]: Spent 3.32 s on a formula simplification. DAG size of input: 493 DAG size of output: 237 [2019-09-20 19:39:05,929 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-09-20 19:39:07,268 WARN L191 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 295 DAG size of output: 238 [2019-09-20 19:39:08,651 WARN L191 SmtUtils]: Spent 816.00 ms on a formula simplification that was a NOOP. DAG size: 387 [2019-09-20 19:39:12,755 WARN L191 SmtUtils]: Spent 4.09 s on a formula simplification. DAG size of input: 593 DAG size of output: 251 [2019-09-20 19:39:13,055 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-09-20 19:39:14,538 WARN L191 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 302 DAG size of output: 252 [2019-09-20 19:39:16,404 WARN L191 SmtUtils]: Spent 1.00 s on a formula simplification that was a NOOP. DAG size: 437