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_spec1_product20.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 19:30:59,615 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 19:30:59,617 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 19:30:59,628 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 19:30:59,629 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 19:30:59,630 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 19:30:59,631 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 19:30:59,633 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 19:30:59,635 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 19:30:59,636 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 19:30:59,637 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 19:30:59,638 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 19:30:59,638 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 19:30:59,639 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 19:30:59,640 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 19:30:59,641 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 19:30:59,642 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 19:30:59,643 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 19:30:59,645 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 19:30:59,647 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 19:30:59,649 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 19:30:59,650 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 19:30:59,651 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 19:30:59,652 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 19:30:59,654 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 19:30:59,654 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 19:30:59,655 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 19:30:59,655 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 19:30:59,656 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 19:30:59,657 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 19:30:59,657 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 19:30:59,658 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 19:30:59,659 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 19:30:59,660 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 19:30:59,661 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 19:30:59,661 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 19:30:59,662 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 19:30:59,662 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 19:30:59,662 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 19:30:59,663 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 19:30:59,664 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 19:30:59,664 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 19:30:59,679 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 19:30:59,679 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 19:30:59,680 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 19:30:59,681 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 19:30:59,681 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 19:30:59,681 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 19:30:59,681 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 19:30:59,682 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 19:30:59,682 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 19:30:59,682 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 19:30:59,682 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 19:30:59,682 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 19:30:59,683 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 19:30:59,683 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 19:30:59,683 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 19:30:59,683 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 19:30:59,683 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 19:30:59,684 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 19:30:59,684 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 19:30:59,684 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 19:30:59,684 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 19:30:59,684 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 19:30:59,685 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 19:30:59,685 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 19:30:59,685 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 19:30:59,685 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 19:30:59,685 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 19:30:59,686 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 19:30:59,686 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 19:30:59,723 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 19:30:59,738 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 19:30:59,741 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 19:30:59,742 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 19:30:59,742 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 19:30:59,742 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product20.cil.c [2019-09-20 19:30:59,799 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/420ea3299/60189f395d2d484c9cb9ae830564718c/FLAGe6a1fc504 [2019-09-20 19:31:00,347 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 19:31:00,348 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product20.cil.c [2019-09-20 19:31:00,373 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/420ea3299/60189f395d2d484c9cb9ae830564718c/FLAGe6a1fc504 [2019-09-20 19:31:00,621 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/420ea3299/60189f395d2d484c9cb9ae830564718c [2019-09-20 19:31:00,631 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 19:31:00,632 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 19:31:00,633 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 19:31:00,633 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 19:31:00,637 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 19:31:00,638 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 07:31:00" (1/1) ... [2019-09-20 19:31:00,640 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68cc7875 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:31:00, skipping insertion in model container [2019-09-20 19:31:00,641 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 07:31:00" (1/1) ... [2019-09-20 19:31:00,648 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 19:31:00,709 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 19:31:01,112 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 19:31:01,130 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 19:31:01,232 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 19:31:01,278 INFO L192 MainTranslator]: Completed translation [2019-09-20 19:31:01,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:31:01 WrapperNode [2019-09-20 19:31:01,279 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 19:31:01,280 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 19:31:01,280 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 19:31:01,280 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 19:31:01,292 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:31:01" (1/1) ... [2019-09-20 19:31:01,293 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:31:01" (1/1) ... [2019-09-20 19:31:01,312 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:31:01" (1/1) ... [2019-09-20 19:31:01,312 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:31:01" (1/1) ... [2019-09-20 19:31:01,352 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:31:01" (1/1) ... [2019-09-20 19:31:01,368 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:31:01" (1/1) ... [2019-09-20 19:31:01,373 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:31:01" (1/1) ... [2019-09-20 19:31:01,388 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 19:31:01,389 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 19:31:01,389 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 19:31:01,389 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 19:31:01,393 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:31:01" (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 19:31:01,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 19:31:01,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 19:31:01,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 19:31:01,470 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 19:31:01,471 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 19:31:01,472 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 19:31:01,472 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 19:31:01,472 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 19:31:01,473 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 19:31:01,473 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 19:31:01,473 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 19:31:01,474 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 19:31:01,474 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 19:31:01,474 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 19:31:01,474 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 19:31:01,475 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 19:31:01,477 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 19:31:01,477 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 19:31:01,477 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-20 19:31:01,477 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-20 19:31:01,477 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-20 19:31:01,478 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 19:31:01,478 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 19:31:01,478 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 19:31:01,478 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 19:31:01,478 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 19:31:01,478 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 19:31:01,479 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-20 19:31:01,479 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 19:31:01,479 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 19:31:01,479 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 19:31:01,479 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 19:31:01,479 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 19:31:01,479 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 19:31:01,480 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 19:31:01,480 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 19:31:01,480 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 19:31:01,480 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 19:31:01,481 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-09-20 19:31:01,481 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 19:31:01,481 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 19:31:01,481 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 19:31:01,481 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 19:31:01,481 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 19:31:01,481 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 19:31:01,482 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 19:31:01,482 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 19:31:01,482 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 19:31:01,482 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 19:31:01,482 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 19:31:01,482 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 19:31:01,482 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 19:31:01,483 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 19:31:01,483 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 19:31:01,483 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 19:31:01,483 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 19:31:01,483 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-20 19:31:01,483 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-20 19:31:01,484 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 19:31:01,484 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 19:31:01,484 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 19:31:01,484 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-20 19:31:01,485 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 19:31:01,485 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 19:31:01,485 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 19:31:01,485 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-09-20 19:31:01,485 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 19:31:01,485 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 19:31:01,485 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-20 19:31:01,486 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 19:31:01,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 19:31:01,486 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 19:31:01,486 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 19:31:01,487 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 19:31:01,487 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 19:31:01,487 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 19:31:01,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 19:31:01,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 19:31:01,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 19:31:01,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 19:31:01,489 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 19:31:01,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 19:31:01,490 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 19:31:01,490 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 19:31:01,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 19:31:01,490 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 19:31:01,490 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 19:31:01,491 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 19:31:01,491 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 19:31:01,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 19:31:01,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 19:31:01,492 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 19:31:02,661 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 19:31:02,662 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 19:31:02,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 07:31:02 BoogieIcfgContainer [2019-09-20 19:31:02,664 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 19:31:02,664 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 19:31:02,664 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 19:31:02,665 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 19:31:02,666 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 07:31:02" (1/1) ... [2019-09-20 19:31:02,666 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 19:31:02,695 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 19:31:02,695 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 19:31:02,704 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 19:31:02,712 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 19:31:02,714 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 19:31:03,295 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2019-09-20 19:31:03,460 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 58 [2019-09-20 19:31:03,735 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 85 [2019-09-20 19:31:03,962 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 80 [2019-09-20 19:31:04,313 WARN L191 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 122 [2019-09-20 19:31:04,739 WARN L191 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 119 [2019-09-20 19:31:05,335 WARN L191 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 141 [2019-09-20 19:31:05,847 WARN L191 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 138 [2019-09-20 19:31:06,659 WARN L191 SmtUtils]: Spent 722.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 163 [2019-09-20 19:31:07,372 WARN L191 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 162 [2019-09-20 19:31:08,360 WARN L191 SmtUtils]: Spent 862.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 182 [2019-09-20 19:31:09,154 WARN L191 SmtUtils]: Spent 698.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 177 [2019-09-20 19:31:10,426 WARN L191 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 228 DAG size of output: 201 [2019-09-20 19:31:11,371 WARN L191 SmtUtils]: Spent 817.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 198 [2019-09-20 19:31:12,960 WARN L191 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 251 DAG size of output: 211 [2019-09-20 19:31:14,014 WARN L191 SmtUtils]: Spent 895.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 208 [2019-09-20 19:31:16,083 WARN L191 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 290 DAG size of output: 244 [2019-09-20 19:31:17,297 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 277 DAG size of output: 239 [2019-09-20 19:31:19,783 WARN L191 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 322 DAG size of output: 271 [2019-09-20 19:31:20,007 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-20 19:31:21,411 WARN L191 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 318 DAG size of output: 272 [2019-09-20 19:31:24,344 WARN L191 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 360 DAG size of output: 289 [2019-09-20 19:31:26,037 WARN L191 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 324 DAG size of output: 286 [2019-09-20 19:31:26,665 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2019-09-20 19:31:29,756 WARN L191 SmtUtils]: Spent 3.08 s on a formula simplification. DAG size of input: 373 DAG size of output: 308 [2019-09-20 19:31:31,561 WARN L191 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 350 DAG size of output: 303 [2019-09-20 19:31:32,288 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-09-20 19:31:35,954 WARN L191 SmtUtils]: Spent 3.66 s on a formula simplification. DAG size of input: 427 DAG size of output: 317 [2019-09-20 19:31:37,921 WARN L191 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 362 DAG size of output: 312 [2019-09-20 19:31:38,980 WARN L191 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2019-09-20 19:31:43,521 WARN L191 SmtUtils]: Spent 4.53 s on a formula simplification. DAG size of input: 490 DAG size of output: 326 [2019-09-20 19:31:45,644 WARN L191 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 365 DAG size of output: 321