java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid NeverFluid --sifa.intern.fluid NeverFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product56.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-19 23:46:13,483 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-19 23:46:13,485 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-19 23:46:13,497 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-19 23:46:13,497 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-19 23:46:13,498 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-19 23:46:13,500 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-19 23:46:13,502 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-19 23:46:13,503 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-19 23:46:13,504 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-19 23:46:13,505 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-19 23:46:13,507 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-19 23:46:13,507 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-19 23:46:13,508 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-19 23:46:13,509 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-19 23:46:13,510 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-19 23:46:13,511 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-19 23:46:13,512 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-19 23:46:13,514 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-19 23:46:13,516 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-19 23:46:13,518 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-19 23:46:13,519 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-19 23:46:13,520 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-19 23:46:13,521 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-19 23:46:13,524 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-19 23:46:13,524 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-19 23:46:13,525 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-19 23:46:13,526 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-19 23:46:13,526 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-19 23:46:13,527 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-19 23:46:13,528 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-19 23:46:13,528 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-19 23:46:13,529 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-19 23:46:13,530 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-19 23:46:13,531 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-19 23:46:13,531 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-19 23:46:13,532 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-19 23:46:13,532 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-19 23:46:13,533 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-19 23:46:13,534 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-19 23:46:13,535 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-19 23:46:13,535 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 [2019-09-19 23:46:13,551 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-19 23:46:13,551 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-19 23:46:13,552 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-19 23:46:13,553 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-19 23:46:13,553 INFO L138 SettingsManager]: * Use SBE=true [2019-09-19 23:46:13,553 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-19 23:46:13,553 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-19 23:46:13,554 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-19 23:46:13,554 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-19 23:46:13,554 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-19 23:46:13,554 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-19 23:46:13,554 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-19 23:46:13,555 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-19 23:46:13,555 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-19 23:46:13,555 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-19 23:46:13,555 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-19 23:46:13,555 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-19 23:46:13,555 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-19 23:46:13,556 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-19 23:46:13,556 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-19 23:46:13,556 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-19 23:46:13,556 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-19 23:46:13,556 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-19 23:46:13,557 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-19 23:46:13,557 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-19 23:46:13,557 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-19 23:46:13,557 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-19 23:46:13,557 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-19 23:46:13,558 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-19 23:46:13,599 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-19 23:46:13,615 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-19 23:46:13,618 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-19 23:46:13,619 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-19 23:46:13,620 INFO L275 PluginConnector]: CDTParser initialized [2019-09-19 23:46:13,620 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product56.cil.c [2019-09-19 23:46:13,691 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1603c68d/e3b123f75b8c4c2c9b7567bf56ba6842/FLAG1ed164254 [2019-09-19 23:46:14,205 INFO L306 CDTParser]: Found 1 translation units. [2019-09-19 23:46:14,205 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product56.cil.c [2019-09-19 23:46:14,218 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1603c68d/e3b123f75b8c4c2c9b7567bf56ba6842/FLAG1ed164254 [2019-09-19 23:46:14,463 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1603c68d/e3b123f75b8c4c2c9b7567bf56ba6842 [2019-09-19 23:46:14,472 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-19 23:46:14,473 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-19 23:46:14,474 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-19 23:46:14,474 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-19 23:46:14,478 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-19 23:46:14,479 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 11:46:14" (1/1) ... [2019-09-19 23:46:14,481 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f723ae4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:46:14, skipping insertion in model container [2019-09-19 23:46:14,482 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 11:46:14" (1/1) ... [2019-09-19 23:46:14,489 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-19 23:46:14,549 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-19 23:46:14,987 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 23:46:15,001 INFO L188 MainTranslator]: Completed pre-run [2019-09-19 23:46:15,111 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 23:46:15,165 INFO L192 MainTranslator]: Completed translation [2019-09-19 23:46:15,165 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:46:15 WrapperNode [2019-09-19 23:46:15,165 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-19 23:46:15,167 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-19 23:46:15,167 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-19 23:46:15,167 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-19 23:46:15,181 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:46:15" (1/1) ... [2019-09-19 23:46:15,182 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:46:15" (1/1) ... [2019-09-19 23:46:15,202 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:46:15" (1/1) ... [2019-09-19 23:46:15,203 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:46:15" (1/1) ... [2019-09-19 23:46:15,246 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:46:15" (1/1) ... [2019-09-19 23:46:15,259 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:46:15" (1/1) ... [2019-09-19 23:46:15,271 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:46:15" (1/1) ... [2019-09-19 23:46:15,285 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-19 23:46:15,289 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-19 23:46:15,289 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-19 23:46:15,289 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-19 23:46:15,290 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:46:15" (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 [2019-09-19 23:46:15,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-19 23:46:15,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-19 23:46:15,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-19 23:46:15,377 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-19 23:46:15,378 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-19 23:46:15,379 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-19 23:46:15,380 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-19 23:46:15,380 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-19 23:46:15,380 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-19 23:46:15,380 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-19 23:46:15,380 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-19 23:46:15,382 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-19 23:46:15,382 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-19 23:46:15,382 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-19 23:46:15,382 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-19 23:46:15,382 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-19 23:46:15,385 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-19 23:46:15,385 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-19 23:46:15,385 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-19 23:46:15,385 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-19 23:46:15,386 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-19 23:46:15,386 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-19 23:46:15,386 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-19 23:46:15,386 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-19 23:46:15,386 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-19 23:46:15,386 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-19 23:46:15,387 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-19 23:46:15,387 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-19 23:46:15,387 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-19 23:46:15,387 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-19 23:46:15,387 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-19 23:46:15,388 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-19 23:46:15,388 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-19 23:46:15,388 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-19 23:46:15,388 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-19 23:46:15,388 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-19 23:46:15,388 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-19 23:46:15,389 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-19 23:46:15,389 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-19 23:46:15,389 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-19 23:46:15,389 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-19 23:46:15,389 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-19 23:46:15,389 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-19 23:46:15,390 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-19 23:46:15,390 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-19 23:46:15,390 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-19 23:46:15,390 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-19 23:46:15,392 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-19 23:46:15,394 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-19 23:46:15,394 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-19 23:46:15,394 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-19 23:46:15,394 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-19 23:46:15,394 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-19 23:46:15,395 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-19 23:46:15,395 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-19 23:46:15,395 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-19 23:46:15,395 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-19 23:46:15,396 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-19 23:46:15,396 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-19 23:46:15,396 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-19 23:46:15,397 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-19 23:46:15,397 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-19 23:46:15,397 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-19 23:46:15,397 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-19 23:46:15,398 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-19 23:46:15,398 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-19 23:46:15,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-19 23:46:15,398 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-19 23:46:15,398 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-19 23:46:15,398 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-19 23:46:15,399 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-19 23:46:15,399 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-19 23:46:15,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-19 23:46:15,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-19 23:46:15,400 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-19 23:46:15,401 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-19 23:46:15,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-19 23:46:15,401 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-19 23:46:15,402 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-19 23:46:15,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-19 23:46:15,403 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-19 23:46:15,403 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-19 23:46:15,403 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-19 23:46:15,403 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-19 23:46:15,403 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-19 23:46:15,404 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-19 23:46:15,404 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-19 23:46:15,404 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-19 23:46:15,404 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-19 23:46:15,404 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-19 23:46:15,404 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-19 23:46:15,405 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-19 23:46:15,405 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-19 23:46:15,405 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-19 23:46:15,405 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-19 23:46:15,405 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-19 23:46:15,405 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-19 23:46:15,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-19 23:46:15,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-19 23:46:15,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-19 23:46:16,970 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-19 23:46:16,970 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-19 23:46:16,972 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 11:46:16 BoogieIcfgContainer [2019-09-19 23:46:16,972 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-19 23:46:16,972 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-19 23:46:16,972 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-19 23:46:16,973 INFO L275 PluginConnector]: Sifa initialized [2019-09-19 23:46:16,974 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 11:46:16" (1/1) ... [2019-09-19 23:46:16,975 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=NeverFluid ♦ 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=NeverFluid [2019-09-19 23:46:17,016 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-19 23:46:17,016 INFO L169 IcfgInterpreter]: Building call graph [2019-09-19 23:46:17,031 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-19 23:46:17,043 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-19 23:46:17,045 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-19 23:46:36,884 WARN L191 SmtUtils]: Spent 12.06 s on a formula simplification that was a NOOP. DAG size: 464 [2019-09-19 23:46:38,659 WARN L191 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-19 23:46:42,637 WARN L191 SmtUtils]: Spent 3.97 s on a formula simplification. DAG size of input: 472 DAG size of output: 422 [2019-09-19 23:46:44,310 WARN L191 SmtUtils]: Spent 1.67 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-19 23:46:45,983 WARN L191 SmtUtils]: Spent 1.67 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-19 23:46:45,998 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 430 for LOIs [2019-09-19 23:46:46,052 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 430 for LOIs [2019-09-19 23:46:46,057 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 430 for LOIs [2019-09-19 23:46:57,318 WARN L191 SmtUtils]: Spent 11.07 s on a formula simplification. DAG size of input: 447 DAG size of output: 446 [2019-09-19 23:47:02,778 WARN L191 SmtUtils]: Spent 5.46 s on a formula simplification that was a NOOP. DAG size: 446 [2019-09-19 23:47:13,769 WARN L191 SmtUtils]: Spent 10.99 s on a formula simplification. DAG size of input: 447 DAG size of output: 446 [2019-09-19 23:47:19,176 WARN L191 SmtUtils]: Spent 5.41 s on a formula simplification that was a NOOP. DAG size: 446 [2019-09-19 23:47:30,132 WARN L191 SmtUtils]: Spent 10.95 s on a formula simplification. DAG size of input: 447 DAG size of output: 446 [2019-09-19 23:47:35,537 WARN L191 SmtUtils]: Spent 5.40 s on a formula simplification that was a NOOP. DAG size: 446 [2019-09-19 23:47:46,426 WARN L191 SmtUtils]: Spent 10.89 s on a formula simplification. DAG size of input: 447 DAG size of output: 446 [2019-09-19 23:47:51,879 WARN L191 SmtUtils]: Spent 5.45 s on a formula simplification that was a NOOP. DAG size: 446 [2019-09-19 23:48:02,800 WARN L191 SmtUtils]: Spent 10.92 s on a formula simplification. DAG size of input: 447 DAG size of output: 446 [2019-09-19 23:48:08,236 WARN L191 SmtUtils]: Spent 5.43 s on a formula simplification that was a NOOP. DAG size: 446 [2019-09-19 23:48:19,222 WARN L191 SmtUtils]: Spent 10.98 s on a formula simplification. DAG size of input: 447 DAG size of output: 446 [2019-09-19 23:48:24,707 WARN L191 SmtUtils]: Spent 5.48 s on a formula simplification that was a NOOP. DAG size: 446 [2019-09-19 23:48:35,646 WARN L191 SmtUtils]: Spent 10.94 s on a formula simplification. DAG size of input: 447 DAG size of output: 446 [2019-09-19 23:48:41,116 WARN L191 SmtUtils]: Spent 5.47 s on a formula simplification that was a NOOP. DAG size: 446 [2019-09-19 23:48:52,006 WARN L191 SmtUtils]: Spent 10.89 s on a formula simplification. DAG size of input: 447 DAG size of output: 446 [2019-09-19 23:48:57,461 WARN L191 SmtUtils]: Spent 5.45 s on a formula simplification that was a NOOP. DAG size: 446 [2019-09-19 23:49:08,458 WARN L191 SmtUtils]: Spent 11.00 s on a formula simplification. DAG size of input: 447 DAG size of output: 446 [2019-09-19 23:49:13,898 WARN L191 SmtUtils]: Spent 5.44 s on a formula simplification that was a NOOP. DAG size: 446 [2019-09-19 23:49:32,022 WARN L191 SmtUtils]: Spent 17.97 s on a formula simplification. DAG size of input: 461 DAG size of output: 461 [2019-09-19 23:49:41,059 WARN L191 SmtUtils]: Spent 9.03 s on a formula simplification that was a NOOP. DAG size: 461 [2019-09-19 23:49:59,197 WARN L191 SmtUtils]: Spent 18.06 s on a formula simplification. DAG size of input: 466 DAG size of output: 463 [2019-09-19 23:50:08,128 WARN L191 SmtUtils]: Spent 8.93 s on a formula simplification that was a NOOP. DAG size: 463 [2019-09-19 23:50:26,146 WARN L191 SmtUtils]: Spent 18.01 s on a formula simplification. DAG size of input: 466 DAG size of output: 463 [2019-09-19 23:50:35,090 WARN L191 SmtUtils]: Spent 8.94 s on a formula simplification that was a NOOP. DAG size: 463 [2019-09-19 23:50:50,935 WARN L191 SmtUtils]: Spent 15.79 s on a formula simplification that was a NOOP. DAG size: 483 [2019-09-19 23:51:06,730 WARN L191 SmtUtils]: Spent 15.79 s on a formula simplification that was a NOOP. DAG size: 483 [2019-09-19 23:51:52,360 WARN L191 SmtUtils]: Spent 45.63 s on a formula simplification. DAG size of input: 494 DAG size of output: 494 [2019-09-19 23:51:55,549 WARN L191 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 460 DAG size of output: 31 [2019-09-19 23:51:55,739 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 43 [2019-09-19 23:51:55,969 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2019-09-19 23:51:56,199 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2019-09-19 23:51:56,414 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2019-09-19 23:51:56,550 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2019-09-19 23:51:56,914 WARN L191 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2019-09-19 23:52:16,201 WARN L191 SmtUtils]: Spent 18.81 s on a formula simplification. DAG size of input: 461 DAG size of output: 461 [2019-09-19 23:52:25,424 WARN L191 SmtUtils]: Spent 9.22 s on a formula simplification that was a NOOP. DAG size: 461 [2019-09-19 23:52:43,553 WARN L191 SmtUtils]: Spent 18.08 s on a formula simplification. DAG size of input: 466 DAG size of output: 463 [2019-09-19 23:52:52,580 WARN L191 SmtUtils]: Spent 9.03 s on a formula simplification that was a NOOP. DAG size: 463 [2019-09-19 23:53:10,640 WARN L191 SmtUtils]: Spent 18.06 s on a formula simplification. DAG size of input: 466 DAG size of output: 463 [2019-09-19 23:53:19,613 WARN L191 SmtUtils]: Spent 8.97 s on a formula simplification that was a NOOP. DAG size: 463 [2019-09-19 23:53:35,428 WARN L191 SmtUtils]: Spent 15.79 s on a formula simplification that was a NOOP. DAG size: 483 [2019-09-19 23:53:51,306 WARN L191 SmtUtils]: Spent 15.88 s on a formula simplification that was a NOOP. DAG size: 483 [2019-09-19 23:54:36,925 WARN L191 SmtUtils]: Spent 45.62 s on a formula simplification. DAG size of input: 494 DAG size of output: 494 [2019-09-19 23:54:39,325 WARN L191 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 460 DAG size of output: 31 [2019-09-19 23:54:39,494 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 43 [2019-09-19 23:54:39,706 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2019-09-19 23:54:39,918 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2019-09-19 23:54:40,124 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2019-09-19 23:54:40,261 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2019-09-19 23:54:40,599 WARN L191 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2019-09-19 23:54:40,942 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2019-09-19 23:54:41,153 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2019-09-19 23:54:41,488 WARN L191 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2019-09-19 23:54:41,613 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2019-09-19 23:54:59,693 WARN L191 SmtUtils]: Spent 17.97 s on a formula simplification. DAG size of input: 461 DAG size of output: 461 [2019-09-19 23:55:08,654 WARN L191 SmtUtils]: Spent 8.96 s on a formula simplification that was a NOOP. DAG size: 461 [2019-09-19 23:55:26,933 WARN L191 SmtUtils]: Spent 18.23 s on a formula simplification. DAG size of input: 466 DAG size of output: 463 [2019-09-19 23:55:35,911 WARN L191 SmtUtils]: Spent 8.98 s on a formula simplification that was a NOOP. DAG size: 463 [2019-09-19 23:55:54,835 WARN L191 SmtUtils]: Spent 18.92 s on a formula simplification. DAG size of input: 466 DAG size of output: 463 [2019-09-19 23:56:04,243 WARN L191 SmtUtils]: Spent 9.41 s on a formula simplification that was a NOOP. DAG size: 463 [2019-09-19 23:56:20,832 WARN L191 SmtUtils]: Spent 16.56 s on a formula simplification that was a NOOP. DAG size: 483 [2019-09-19 23:56:36,613 WARN L191 SmtUtils]: Spent 15.78 s on a formula simplification that was a NOOP. DAG size: 483 [2019-09-19 23:57:22,274 WARN L191 SmtUtils]: Spent 45.66 s on a formula simplification. DAG size of input: 494 DAG size of output: 494 [2019-09-19 23:57:24,634 WARN L191 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 460 DAG size of output: 31 [2019-09-19 23:57:24,800 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 43 [2019-09-19 23:57:25,013 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2019-09-19 23:57:25,223 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2019-09-19 23:57:25,427 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2019-09-19 23:57:25,559 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2019-09-19 23:57:25,892 WARN L191 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2019-09-19 23:57:26,174 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 39 [2019-09-19 23:57:26,383 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-09-19 23:57:44,667 WARN L191 SmtUtils]: Spent 18.06 s on a formula simplification. DAG size of input: 461 DAG size of output: 461 [2019-09-19 23:57:53,704 WARN L191 SmtUtils]: Spent 9.03 s on a formula simplification that was a NOOP. DAG size: 461 [2019-09-19 23:58:11,796 WARN L191 SmtUtils]: Spent 18.05 s on a formula simplification. DAG size of input: 466 DAG size of output: 463 [2019-09-19 23:58:20,729 WARN L191 SmtUtils]: Spent 8.93 s on a formula simplification that was a NOOP. DAG size: 463 [2019-09-19 23:58:38,727 WARN L191 SmtUtils]: Spent 18.00 s on a formula simplification. DAG size of input: 466 DAG size of output: 463 [2019-09-19 23:58:47,736 WARN L191 SmtUtils]: Spent 9.01 s on a formula simplification that was a NOOP. DAG size: 463 [2019-09-19 23:59:03,715 WARN L191 SmtUtils]: Spent 15.95 s on a formula simplification that was a NOOP. DAG size: 483 [2019-09-19 23:59:19,666 WARN L191 SmtUtils]: Spent 15.95 s on a formula simplification that was a NOOP. DAG size: 483