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_spec2_product49.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 19:35:00,581 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 19:35:00,583 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 19:35:00,594 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 19:35:00,594 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 19:35:00,595 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 19:35:00,597 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 19:35:00,598 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 19:35:00,600 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 19:35:00,601 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 19:35:00,602 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 19:35:00,603 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 19:35:00,603 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 19:35:00,604 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 19:35:00,605 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 19:35:00,606 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 19:35:00,607 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 19:35:00,608 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 19:35:00,610 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 19:35:00,612 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 19:35:00,613 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 19:35:00,614 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 19:35:00,615 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 19:35:00,616 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 19:35:00,618 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 19:35:00,619 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 19:35:00,619 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 19:35:00,620 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 19:35:00,620 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 19:35:00,621 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 19:35:00,621 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 19:35:00,622 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 19:35:00,623 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 19:35:00,624 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 19:35:00,625 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 19:35:00,625 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 19:35:00,625 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 19:35:00,626 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 19:35:00,626 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 19:35:00,627 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 19:35:00,627 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 19:35:00,628 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 19:35:00,643 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 19:35:00,643 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 19:35:00,644 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 19:35:00,644 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 19:35:00,644 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 19:35:00,645 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 19:35:00,645 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 19:35:00,645 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 19:35:00,645 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 19:35:00,645 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 19:35:00,646 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 19:35:00,646 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 19:35:00,646 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 19:35:00,646 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 19:35:00,646 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 19:35:00,647 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 19:35:00,647 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 19:35:00,647 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 19:35:00,647 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 19:35:00,647 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 19:35:00,648 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 19:35:00,648 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 19:35:00,648 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 19:35:00,648 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 19:35:00,648 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 19:35:00,649 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 19:35:00,649 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 19:35:00,649 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 19:35:00,649 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 19:35:00,680 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 19:35:00,692 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 19:35:00,695 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 19:35:00,696 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 19:35:00,697 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 19:35:00,697 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product49.cil.c [2019-09-20 19:35:00,757 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29e19f5f1/dffe63b467764115abbbab28301fd6be/FLAG40845530b [2019-09-20 19:35:01,273 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 19:35:01,274 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product49.cil.c [2019-09-20 19:35:01,306 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29e19f5f1/dffe63b467764115abbbab28301fd6be/FLAG40845530b [2019-09-20 19:35:01,523 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29e19f5f1/dffe63b467764115abbbab28301fd6be [2019-09-20 19:35:01,532 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 19:35:01,534 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 19:35:01,534 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 19:35:01,534 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 19:35:01,537 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 19:35:01,538 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 07:35:01" (1/1) ... [2019-09-20 19:35:01,540 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51bafefd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:35:01, skipping insertion in model container [2019-09-20 19:35:01,540 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 07:35:01" (1/1) ... [2019-09-20 19:35:01,547 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 19:35:01,596 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 19:35:02,080 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 19:35:02,094 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 19:35:02,197 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 19:35:02,240 INFO L192 MainTranslator]: Completed translation [2019-09-20 19:35:02,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:35:02 WrapperNode [2019-09-20 19:35:02,240 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 19:35:02,241 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 19:35:02,241 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 19:35:02,241 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 19:35:02,252 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:35:02" (1/1) ... [2019-09-20 19:35:02,252 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:35:02" (1/1) ... [2019-09-20 19:35:02,272 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:35:02" (1/1) ... [2019-09-20 19:35:02,272 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:35:02" (1/1) ... [2019-09-20 19:35:02,319 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:35:02" (1/1) ... [2019-09-20 19:35:02,328 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:35:02" (1/1) ... [2019-09-20 19:35:02,336 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:35:02" (1/1) ... [2019-09-20 19:35:02,360 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 19:35:02,361 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 19:35:02,361 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 19:35:02,361 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 19:35:02,362 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:35:02" (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 19:35:02,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 19:35:02,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 19:35:02,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 19:35:02,440 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 19:35:02,441 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 19:35:02,442 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 19:35:02,442 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 19:35:02,443 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 19:35:02,443 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 19:35:02,444 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 19:35:02,444 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 19:35:02,445 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 19:35:02,445 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 19:35:02,445 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 19:35:02,446 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-20 19:35:02,446 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-20 19:35:02,448 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-09-20 19:35:02,449 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-09-20 19:35:02,449 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 19:35:02,449 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 19:35:02,449 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 19:35:02,449 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 19:35:02,450 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 19:35:02,450 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 19:35:02,450 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 19:35:02,450 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 19:35:02,450 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 19:35:02,451 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 19:35:02,451 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-20 19:35:02,451 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-20 19:35:02,451 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 19:35:02,451 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 19:35:02,451 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 19:35:02,452 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 19:35:02,452 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 19:35:02,452 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 19:35:02,452 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 19:35:02,452 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 19:35:02,453 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 19:35:02,453 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 19:35:02,453 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 19:35:02,453 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 19:35:02,453 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 19:35:02,453 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 19:35:02,454 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 19:35:02,454 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 19:35:02,454 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 19:35:02,454 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 19:35:02,454 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 19:35:02,454 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 19:35:02,454 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 19:35:02,455 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-09-20 19:35:02,455 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 19:35:02,455 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 19:35:02,455 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 19:35:02,455 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 19:35:02,455 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 19:35:02,456 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 19:35:02,456 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 19:35:02,456 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 19:35:02,457 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 19:35:02,457 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 19:35:02,457 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-20 19:35:02,457 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-20 19:35:02,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 19:35:02,458 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 19:35:02,458 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 19:35:02,458 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-09-20 19:35:02,458 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 19:35:02,458 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 19:35:02,459 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 19:35:02,459 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 19:35:02,459 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-20 19:35:02,460 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 19:35:02,460 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-20 19:35:02,460 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 19:35:02,461 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 19:35:02,461 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 19:35:02,461 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 19:35:02,461 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 19:35:02,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 19:35:02,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 19:35:02,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 19:35:02,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 19:35:02,463 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 19:35:02,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 19:35:02,463 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 19:35:02,464 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 19:35:02,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 19:35:02,464 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 19:35:02,464 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 19:35:02,465 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 19:35:02,465 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 19:35:02,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 19:35:02,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 19:35:02,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 19:35:03,705 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 19:35:03,705 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 19:35:03,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 07:35:03 BoogieIcfgContainer [2019-09-20 19:35:03,707 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 19:35:03,708 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 19:35:03,708 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 19:35:03,708 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 19:35:03,710 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 07:35:03" (1/1) ... [2019-09-20 19:35:03,711 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 19:35:03,745 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 19:35:03,745 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 19:35:03,763 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 19:35:03,778 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 19:35:03,779 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 19:35:04,494 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2019-09-20 19:35:04,731 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 77 [2019-09-20 19:35:05,068 WARN L191 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 109 [2019-09-20 19:35:05,361 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 104 [2019-09-20 19:35:05,792 WARN L191 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 128 [2019-09-20 19:35:06,190 WARN L191 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 123 [2019-09-20 19:35:06,831 WARN L191 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 149 [2019-09-20 19:35:07,445 WARN L191 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 146 [2019-09-20 19:35:08,325 WARN L191 SmtUtils]: Spent 763.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 159 [2019-09-20 19:35:08,956 WARN L191 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 156 [2019-09-20 19:35:09,985 WARN L191 SmtUtils]: Spent 874.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 177 [2019-09-20 19:35:10,694 WARN L191 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 172 [2019-09-20 19:35:12,033 WARN L191 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 237 DAG size of output: 198 [2019-09-20 19:35:12,982 WARN L191 SmtUtils]: Spent 817.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 195 [2019-09-20 19:35:14,688 WARN L191 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 270 DAG size of output: 231 [2019-09-20 19:35:14,874 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-09-20 19:35:15,944 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 269 DAG size of output: 230 [2019-09-20 19:35:18,032 WARN L191 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 306 DAG size of output: 250 [2019-09-20 19:35:19,404 WARN L191 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 286 DAG size of output: 247 [2019-09-20 19:35:21,929 WARN L191 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 344 DAG size of output: 272 [2019-09-20 19:35:22,171 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-20 19:35:23,666 WARN L191 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 317 DAG size of output: 273 [2019-09-20 19:35:23,934 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2019-09-20 19:35:25,662 WARN L191 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 374 DAG size of output: 290 [2019-09-20 19:35:27,429 WARN L191 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 334 DAG size of output: 287 [2019-09-20 19:35:27,941 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2019-09-20 19:35:30,924 WARN L191 SmtUtils]: Spent 2.98 s on a formula simplification. DAG size of input: 374 DAG size of output: 310 [2019-09-20 19:35:32,850 WARN L191 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 352 DAG size of output: 305 [2019-09-20 19:35:33,638 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-09-20 19:35:37,328 WARN L191 SmtUtils]: Spent 3.68 s on a formula simplification. DAG size of input: 441 DAG size of output: 319 [2019-09-20 19:35:39,352 WARN L191 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 367 DAG size of output: 314 [2019-09-20 19:35:40,452 WARN L191 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2019-09-20 19:35:44,855 WARN L191 SmtUtils]: Spent 4.39 s on a formula simplification. DAG size of input: 498 DAG size of output: 328 [2019-09-20 19:35:47,063 WARN L191 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 367 DAG size of output: 323