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 CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product56.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-17 19:26:49,486 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 19:26:49,488 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 19:26:49,502 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 19:26:49,502 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 19:26:49,504 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 19:26:49,506 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 19:26:49,515 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 19:26:49,519 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 19:26:49,522 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 19:26:49,524 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 19:26:49,525 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 19:26:49,526 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 19:26:49,527 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 19:26:49,529 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 19:26:49,531 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 19:26:49,532 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 19:26:49,533 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 19:26:49,535 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 19:26:49,540 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 19:26:49,543 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 19:26:49,545 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 19:26:49,547 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 19:26:49,548 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 19:26:49,551 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-17 19:26:49,551 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-17 19:26:49,551 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-17 19:26:49,552 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-17 19:26:49,553 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-17 19:26:49,554 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-17 19:26:49,555 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-17 19:26:49,556 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-17 19:26:49,557 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-17 19:26:49,557 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-17 19:26:49,559 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-17 19:26:49,559 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-17 19:26:49,560 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-17 19:26:49,560 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-17 19:26:49,560 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 19:26:49,561 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 19:26:49,562 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 19:26:49,563 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 [2019-09-17 19:26:49,586 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 19:26:49,586 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 19:26:49,587 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 19:26:49,587 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 19:26:49,587 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 19:26:49,588 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 19:26:49,588 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 19:26:49,588 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 19:26:49,588 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 19:26:49,588 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 19:26:49,588 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 19:26:49,589 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 19:26:49,589 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 19:26:49,589 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 19:26:49,589 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 19:26:49,589 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 19:26:49,590 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 19:26:49,590 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 19:26:49,590 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 19:26:49,590 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 19:26:49,590 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 19:26:49,591 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 19:26:49,591 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 19:26:49,591 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 19:26:49,591 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 19:26:49,591 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 19:26:49,592 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 19:26:49,592 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 19:26:49,592 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain 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 -> 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 [2019-09-17 19:26:49,637 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 19:26:49,655 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 19:26:49,659 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 19:26:49,660 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 19:26:49,661 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 19:26:49,661 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product56.cil.c [2019-09-17 19:26:49,729 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e34c1a0e8/f5ca19ad73cc4f64a9afb9c77fa86fe0/FLAGabeba7d95 [2019-09-17 19:26:50,312 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 19:26:50,313 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product56.cil.c [2019-09-17 19:26:50,324 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e34c1a0e8/f5ca19ad73cc4f64a9afb9c77fa86fe0/FLAGabeba7d95 [2019-09-17 19:26:50,595 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e34c1a0e8/f5ca19ad73cc4f64a9afb9c77fa86fe0 [2019-09-17 19:26:50,605 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 19:26:50,606 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 19:26:50,607 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 19:26:50,608 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 19:26:50,611 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 19:26:50,612 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 07:26:50" (1/1) ... [2019-09-17 19:26:50,615 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23ac3fee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:26:50, skipping insertion in model container [2019-09-17 19:26:50,615 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 07:26:50" (1/1) ... [2019-09-17 19:26:50,623 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 19:26:50,685 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 19:26:51,140 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 19:26:51,153 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 19:26:51,273 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 19:26:51,311 INFO L192 MainTranslator]: Completed translation [2019-09-17 19:26:51,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:26:51 WrapperNode [2019-09-17 19:26:51,312 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 19:26:51,312 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 19:26:51,312 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 19:26:51,313 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 19:26:51,323 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:26:51" (1/1) ... [2019-09-17 19:26:51,323 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:26:51" (1/1) ... [2019-09-17 19:26:51,345 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:26:51" (1/1) ... [2019-09-17 19:26:51,353 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:26:51" (1/1) ... [2019-09-17 19:26:51,381 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:26:51" (1/1) ... [2019-09-17 19:26:51,391 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:26:51" (1/1) ... [2019-09-17 19:26:51,396 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:26:51" (1/1) ... [2019-09-17 19:26:51,404 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 19:26:51,405 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 19:26:51,405 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 19:26:51,405 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 19:26:51,406 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:26:51" (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 [2019-09-17 19:26:51,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 19:26:51,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 19:26:51,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-17 19:26:51,473 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-17 19:26:51,473 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-17 19:26:51,473 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-17 19:26:51,473 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-17 19:26:51,473 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-17 19:26:51,474 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-17 19:26:51,474 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-17 19:26:51,474 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-17 19:26:51,474 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-17 19:26:51,474 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-17 19:26:51,474 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-17 19:26:51,475 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-17 19:26:51,475 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-17 19:26:51,475 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-17 19:26:51,475 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-17 19:26:51,475 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-17 19:26:51,475 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-17 19:26:51,476 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-17 19:26:51,476 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-17 19:26:51,476 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-17 19:26:51,476 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-17 19:26:51,476 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-17 19:26:51,477 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-17 19:26:51,477 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-17 19:26:51,477 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-17 19:26:51,477 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-17 19:26:51,477 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 19:26:51,477 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-17 19:26:51,477 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-17 19:26:51,478 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-17 19:26:51,478 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-17 19:26:51,478 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-17 19:26:51,478 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-17 19:26:51,478 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-17 19:26:51,478 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-17 19:26:51,478 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-17 19:26:51,479 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-17 19:26:51,479 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-17 19:26:51,479 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-17 19:26:51,479 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-17 19:26:51,479 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 19:26:51,479 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-17 19:26:51,480 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-17 19:26:51,480 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-17 19:26:51,480 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-17 19:26:51,480 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-17 19:26:51,480 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-17 19:26:51,480 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-17 19:26:51,481 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-17 19:26:51,481 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-17 19:26:51,481 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-17 19:26:51,481 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-17 19:26:51,481 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-17 19:26:51,481 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-17 19:26:51,481 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-17 19:26:51,482 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-17 19:26:51,482 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-17 19:26:51,482 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-17 19:26:51,482 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-17 19:26:51,482 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-17 19:26:51,482 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-17 19:26:51,483 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-17 19:26:51,483 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-17 19:26:51,483 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-17 19:26:51,483 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-17 19:26:51,483 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-17 19:26:51,483 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-17 19:26:51,483 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-17 19:26:51,484 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-17 19:26:51,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-17 19:26:51,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-17 19:26:51,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-17 19:26:51,484 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-17 19:26:51,484 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-17 19:26:51,485 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-17 19:26:51,485 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-17 19:26:51,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-17 19:26:51,485 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-17 19:26:51,485 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-17 19:26:51,485 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-17 19:26:51,485 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-17 19:26:51,486 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-17 19:26:51,486 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-17 19:26:51,486 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-17 19:26:51,486 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-17 19:26:51,486 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-17 19:26:51,486 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-17 19:26:51,486 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-17 19:26:51,487 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-17 19:26:51,487 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-17 19:26:51,487 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-17 19:26:51,487 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-17 19:26:51,487 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 19:26:51,487 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-17 19:26:51,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 19:26:51,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-17 19:26:51,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 19:26:53,081 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 19:26:53,082 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-17 19:26:53,083 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 07:26:53 BoogieIcfgContainer [2019-09-17 19:26:53,083 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 19:26:53,083 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 19:26:53,084 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 19:26:53,084 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 19:26:53,085 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 07:26:53" (1/1) ... [2019-09-17 19:26:53,086 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=CompoundDomain ♦ 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 [2019-09-17 19:26:53,111 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-17 19:26:53,111 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 19:26:53,120 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 19:26:53,130 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 19:26:53,132 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 19:27:12,335 WARN L191 SmtUtils]: Spent 11.52 s on a formula simplification that was a NOOP. DAG size: 464 [2019-09-17 19:27:14,038 WARN L191 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-17 19:27:17,846 WARN L191 SmtUtils]: Spent 3.80 s on a formula simplification. DAG size of input: 472 DAG size of output: 422 [2019-09-17 19:27:19,509 WARN L191 SmtUtils]: Spent 1.66 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-17 19:27:21,180 WARN L191 SmtUtils]: Spent 1.67 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-17 19:27:21,423 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-17 19:27:26,034 WARN L191 SmtUtils]: Spent 4.61 s on a formula simplification. DAG size of input: 490 DAG size of output: 434 [2019-09-17 19:27:26,049 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 442 for LOIs [2019-09-17 19:27:26,148 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 442 for LOIs [2019-09-17 19:27:26,154 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 442 for LOIs [2019-09-17 19:27:37,229 WARN L191 SmtUtils]: Spent 10.93 s on a formula simplification. DAG size of input: 459 DAG size of output: 458 [2019-09-17 19:27:42,570 WARN L191 SmtUtils]: Spent 5.34 s on a formula simplification that was a NOOP. DAG size: 458 [2019-09-17 19:27:43,498 WARN L191 SmtUtils]: Spent 915.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 128 [2019-09-17 19:27:56,447 WARN L191 SmtUtils]: Spent 12.95 s on a formula simplification. DAG size of input: 511 DAG size of output: 472 [2019-09-17 19:28:07,166 WARN L191 SmtUtils]: Spent 10.72 s on a formula simplification. DAG size of input: 459 DAG size of output: 458 [2019-09-17 19:28:12,502 WARN L191 SmtUtils]: Spent 5.33 s on a formula simplification that was a NOOP. DAG size: 458 [2019-09-17 19:28:13,440 WARN L191 SmtUtils]: Spent 936.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 128 [2019-09-17 19:28:26,492 WARN L191 SmtUtils]: Spent 13.05 s on a formula simplification. DAG size of input: 511 DAG size of output: 472 [2019-09-17 19:28:37,251 WARN L191 SmtUtils]: Spent 10.76 s on a formula simplification. DAG size of input: 459 DAG size of output: 458 [2019-09-17 19:28:42,550 WARN L191 SmtUtils]: Spent 5.30 s on a formula simplification that was a NOOP. DAG size: 458 [2019-09-17 19:28:43,472 WARN L191 SmtUtils]: Spent 920.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 128 [2019-09-17 19:28:56,671 WARN L191 SmtUtils]: Spent 13.20 s on a formula simplification. DAG size of input: 511 DAG size of output: 472 [2019-09-17 19:29:07,440 WARN L191 SmtUtils]: Spent 10.77 s on a formula simplification. DAG size of input: 459 DAG size of output: 458 [2019-09-17 19:29:12,832 WARN L191 SmtUtils]: Spent 5.39 s on a formula simplification that was a NOOP. DAG size: 458 [2019-09-17 19:29:13,761 WARN L191 SmtUtils]: Spent 926.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 128 [2019-09-17 19:29:26,841 WARN L191 SmtUtils]: Spent 13.08 s on a formula simplification. DAG size of input: 511 DAG size of output: 472 [2019-09-17 19:29:37,553 WARN L191 SmtUtils]: Spent 10.71 s on a formula simplification. DAG size of input: 459 DAG size of output: 458 [2019-09-17 19:29:42,913 WARN L191 SmtUtils]: Spent 5.36 s on a formula simplification that was a NOOP. DAG size: 458 [2019-09-17 19:29:43,842 WARN L191 SmtUtils]: Spent 926.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 128 [2019-09-17 19:29:56,970 WARN L191 SmtUtils]: Spent 13.13 s on a formula simplification. DAG size of input: 511 DAG size of output: 472 [2019-09-17 19:30:07,870 WARN L191 SmtUtils]: Spent 10.90 s on a formula simplification. DAG size of input: 459 DAG size of output: 458 [2019-09-17 19:30:13,234 WARN L191 SmtUtils]: Spent 5.36 s on a formula simplification that was a NOOP. DAG size: 458 [2019-09-17 19:30:14,158 WARN L191 SmtUtils]: Spent 921.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 128 [2019-09-17 19:30:27,226 WARN L191 SmtUtils]: Spent 13.07 s on a formula simplification. DAG size of input: 511 DAG size of output: 472 [2019-09-17 19:30:38,025 WARN L191 SmtUtils]: Spent 10.80 s on a formula simplification. DAG size of input: 459 DAG size of output: 458 [2019-09-17 19:30:43,417 WARN L191 SmtUtils]: Spent 5.39 s on a formula simplification that was a NOOP. DAG size: 458 [2019-09-17 19:30:44,336 WARN L191 SmtUtils]: Spent 916.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 128 [2019-09-17 19:30:57,451 WARN L191 SmtUtils]: Spent 13.11 s on a formula simplification. DAG size of input: 511 DAG size of output: 472 [2019-09-17 19:31:08,265 WARN L191 SmtUtils]: Spent 10.81 s on a formula simplification. DAG size of input: 459 DAG size of output: 458 [2019-09-17 19:31:13,649 WARN L191 SmtUtils]: Spent 5.38 s on a formula simplification that was a NOOP. DAG size: 458 [2019-09-17 19:31:14,588 WARN L191 SmtUtils]: Spent 937.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 128 [2019-09-17 19:31:27,690 WARN L191 SmtUtils]: Spent 13.10 s on a formula simplification. DAG size of input: 511 DAG size of output: 472 [2019-09-17 19:31:38,575 WARN L191 SmtUtils]: Spent 10.88 s on a formula simplification. DAG size of input: 459 DAG size of output: 458 [2019-09-17 19:31:43,940 WARN L191 SmtUtils]: Spent 5.36 s on a formula simplification that was a NOOP. DAG size: 458 [2019-09-17 19:31:44,859 WARN L191 SmtUtils]: Spent 916.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 128 [2019-09-17 19:31:58,092 WARN L191 SmtUtils]: Spent 13.23 s on a formula simplification. DAG size of input: 511 DAG size of output: 472 [2019-09-17 19:32:19,225 WARN L191 SmtUtils]: Spent 20.95 s on a formula simplification. DAG size of input: 489 DAG size of output: 487 [2019-09-17 19:32:26,140 WARN L191 SmtUtils]: Spent 6.91 s on a formula simplification that was a NOOP. DAG size: 487 [2019-09-17 19:32:26,502 WARN L191 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2019-09-17 19:32:41,987 WARN L191 SmtUtils]: Spent 15.48 s on a formula simplification. DAG size of input: 514 DAG size of output: 487 [2019-09-17 19:33:02,974 WARN L191 SmtUtils]: Spent 20.89 s on a formula simplification. DAG size of input: 494 DAG size of output: 489 [2019-09-17 19:33:09,932 WARN L191 SmtUtils]: Spent 6.96 s on a formula simplification that was a NOOP. DAG size: 489 [2019-09-17 19:33:10,307 WARN L191 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-17 19:33:25,928 WARN L191 SmtUtils]: Spent 15.62 s on a formula simplification. DAG size of input: 518 DAG size of output: 490 [2019-09-17 19:33:46,708 WARN L191 SmtUtils]: Spent 20.78 s on a formula simplification. DAG size of input: 494 DAG size of output: 489 [2019-09-17 19:33:53,662 WARN L191 SmtUtils]: Spent 6.95 s on a formula simplification that was a NOOP. DAG size: 489 [2019-09-17 19:33:54,004 WARN L191 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-17 19:34:09,854 WARN L191 SmtUtils]: Spent 15.85 s on a formula simplification. DAG size of input: 518 DAG size of output: 490 [2019-09-17 19:34:17,119 WARN L191 SmtUtils]: Spent 7.19 s on a formula simplification that was a NOOP. DAG size: 506 [2019-09-17 19:34:24,340 WARN L191 SmtUtils]: Spent 7.22 s on a formula simplification that was a NOOP. DAG size: 506 [2019-09-17 19:34:24,691 WARN L191 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2019-09-17 19:34:41,652 WARN L191 SmtUtils]: Spent 16.96 s on a formula simplification. DAG size of input: 532 DAG size of output: 507 [2019-09-17 19:35:05,296 WARN L191 SmtUtils]: Spent 23.64 s on a formula simplification. DAG size of input: 518 DAG size of output: 518 [2019-09-17 19:35:17,067 WARN L191 SmtUtils]: Spent 11.77 s on a formula simplification that was a NOOP. DAG size: 518 [2019-09-17 19:35:17,429 WARN L191 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2019-09-17 19:35:41,656 WARN L191 SmtUtils]: Spent 24.22 s on a formula simplification. DAG size of input: 544 DAG size of output: 519 [2019-09-17 19:35:58,751 WARN L191 SmtUtils]: Spent 15.45 s on a formula simplification. DAG size of input: 528 DAG size of output: 519 [2019-09-17 19:36:06,325 WARN L191 SmtUtils]: Spent 7.57 s on a formula simplification that was a NOOP. DAG size: 519 [2019-09-17 19:36:06,707 WARN L191 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-17 19:36:24,600 WARN L191 SmtUtils]: Spent 17.89 s on a formula simplification. DAG size of input: 547 DAG size of output: 518 [2019-09-17 19:36:45,283 WARN L191 SmtUtils]: Spent 20.66 s on a formula simplification. DAG size of input: 514 DAG size of output: 512 [2019-09-17 19:36:55,714 WARN L191 SmtUtils]: Spent 10.43 s on a formula simplification that was a NOOP. DAG size: 512 [2019-09-17 19:36:56,073 WARN L191 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-17 19:37:14,889 WARN L191 SmtUtils]: Spent 18.81 s on a formula simplification. DAG size of input: 539 DAG size of output: 503 [2019-09-17 19:37:24,676 WARN L191 SmtUtils]: Spent 9.76 s on a formula simplification that was a NOOP. DAG size: 511 [2019-09-17 19:37:34,523 WARN L191 SmtUtils]: Spent 9.85 s on a formula simplification that was a NOOP. DAG size: 511 [2019-09-17 19:37:56,329 WARN L191 SmtUtils]: Spent 21.79 s on a formula simplification. DAG size of input: 538 DAG size of output: 512 [2019-09-17 19:38:10,635 WARN L191 SmtUtils]: Spent 14.17 s on a formula simplification. DAG size of input: 524 DAG size of output: 500 [2019-09-17 19:38:16,655 WARN L191 SmtUtils]: Spent 6.02 s on a formula simplification that was a NOOP. DAG size: 500 [2019-09-17 19:38:17,020 WARN L191 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-17 19:38:33,936 WARN L191 SmtUtils]: Spent 16.92 s on a formula simplification. DAG size of input: 526 DAG size of output: 494 [2019-09-17 19:38:49,226 WARN L191 SmtUtils]: Spent 15.24 s on a formula simplification. DAG size of input: 519 DAG size of output: 498 [2019-09-17 19:38:56,020 WARN L191 SmtUtils]: Spent 6.79 s on a formula simplification that was a NOOP. DAG size: 498 [2019-09-17 19:38:56,385 WARN L191 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2019-09-17 19:39:13,482 WARN L191 SmtUtils]: Spent 17.10 s on a formula simplification. DAG size of input: 526 DAG size of output: 491 [2019-09-17 19:39:28,735 WARN L191 SmtUtils]: Spent 15.25 s on a formula simplification. DAG size of input: 519 DAG size of output: 498 [2019-09-17 19:39:35,652 WARN L191 SmtUtils]: Spent 6.92 s on a formula simplification that was a NOOP. DAG size: 498 [2019-09-17 19:39:35,988 WARN L191 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2019-09-17 19:39:52,626 WARN L191 SmtUtils]: Spent 16.64 s on a formula simplification. DAG size of input: 526 DAG size of output: 491 [2019-09-17 19:39:59,608 WARN L191 SmtUtils]: Spent 6.97 s on a formula simplification. DAG size of input: 508 DAG size of output: 502 [2019-09-17 19:40:02,196 WARN L191 SmtUtils]: Spent 2.59 s on a formula simplification that was a NOOP. DAG size: 502 [2019-09-17 19:40:02,530 WARN L191 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-17 19:40:10,884 WARN L191 SmtUtils]: Spent 8.35 s on a formula simplification. DAG size of input: 530 DAG size of output: 515