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 SequenceOfStatements --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product21.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-18 05:12:30,538 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-18 05:12:30,540 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-18 05:12:30,552 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-18 05:12:30,552 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-18 05:12:30,553 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-18 05:12:30,554 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-18 05:12:30,556 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-18 05:12:30,558 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-18 05:12:30,559 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-18 05:12:30,560 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-18 05:12:30,561 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-18 05:12:30,561 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-18 05:12:30,562 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-18 05:12:30,563 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-18 05:12:30,564 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-18 05:12:30,565 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-18 05:12:30,566 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-18 05:12:30,568 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-18 05:12:30,570 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-18 05:12:30,571 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-18 05:12:30,572 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-18 05:12:30,573 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-18 05:12:30,574 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-18 05:12:30,577 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-18 05:12:30,577 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-18 05:12:30,578 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-18 05:12:30,579 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-18 05:12:30,579 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-18 05:12:30,580 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-18 05:12:30,580 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-18 05:12:30,581 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-18 05:12:30,582 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-18 05:12:30,583 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-18 05:12:30,584 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-18 05:12:30,584 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-18 05:12:30,585 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-18 05:12:30,585 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-18 05:12:30,586 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-18 05:12:30,587 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-18 05:12:30,587 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-18 05:12:30,588 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 [2019-09-18 05:12:30,611 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-18 05:12:30,612 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-18 05:12:30,613 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-18 05:12:30,613 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-18 05:12:30,616 INFO L138 SettingsManager]: * Use SBE=true [2019-09-18 05:12:30,616 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-18 05:12:30,616 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-18 05:12:30,616 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-18 05:12:30,616 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-18 05:12:30,617 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-18 05:12:30,617 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-18 05:12:30,617 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-18 05:12:30,617 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-18 05:12:30,617 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-18 05:12:30,618 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-18 05:12:30,618 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-18 05:12:30,619 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-18 05:12:30,619 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-18 05:12:30,620 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-18 05:12:30,620 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-18 05:12:30,620 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-18 05:12:30,620 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 05:12:30,620 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-18 05:12:30,621 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-18 05:12:30,621 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-18 05:12:30,622 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-18 05:12:30,622 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-18 05:12:30,622 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-18 05:12:30,622 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 -> SequenceOfStatements 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 [2019-09-18 05:12:30,667 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-18 05:12:30,682 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-18 05:12:30,688 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-18 05:12:30,690 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-18 05:12:30,690 INFO L275 PluginConnector]: CDTParser initialized [2019-09-18 05:12:30,691 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product21.cil.c [2019-09-18 05:12:30,748 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6e82f5a1/9c65574675184faa82b63a53092bee2d/FLAG0aa42142e [2019-09-18 05:12:31,244 INFO L306 CDTParser]: Found 1 translation units. [2019-09-18 05:12:31,245 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product21.cil.c [2019-09-18 05:12:31,260 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6e82f5a1/9c65574675184faa82b63a53092bee2d/FLAG0aa42142e [2019-09-18 05:12:31,584 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6e82f5a1/9c65574675184faa82b63a53092bee2d [2019-09-18 05:12:31,595 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-18 05:12:31,597 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-18 05:12:31,598 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-18 05:12:31,598 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-18 05:12:31,602 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-18 05:12:31,603 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 05:12:31" (1/1) ... [2019-09-18 05:12:31,607 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@869f3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 05:12:31, skipping insertion in model container [2019-09-18 05:12:31,607 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 05:12:31" (1/1) ... [2019-09-18 05:12:31,614 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-18 05:12:31,671 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-18 05:12:32,095 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 05:12:32,122 INFO L188 MainTranslator]: Completed pre-run [2019-09-18 05:12:32,247 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 05:12:32,288 INFO L192 MainTranslator]: Completed translation [2019-09-18 05:12:32,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 05:12:32 WrapperNode [2019-09-18 05:12:32,288 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-18 05:12:32,289 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-18 05:12:32,289 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-18 05:12:32,289 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-18 05:12:32,299 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 05:12:32" (1/1) ... [2019-09-18 05:12:32,300 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 05:12:32" (1/1) ... [2019-09-18 05:12:32,321 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 05:12:32" (1/1) ... [2019-09-18 05:12:32,321 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 05:12:32" (1/1) ... [2019-09-18 05:12:32,372 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 05:12:32" (1/1) ... [2019-09-18 05:12:32,389 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 05:12:32" (1/1) ... [2019-09-18 05:12:32,401 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 05:12:32" (1/1) ... [2019-09-18 05:12:32,408 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-18 05:12:32,409 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-18 05:12:32,409 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-18 05:12:32,409 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-18 05:12:32,410 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 05:12:32" (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 [2019-09-18 05:12:32,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-18 05:12:32,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-18 05:12:32,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-18 05:12:32,462 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-18 05:12:32,465 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-18 05:12:32,466 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-18 05:12:32,466 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-18 05:12:32,466 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-18 05:12:32,466 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-09-18 05:12:32,467 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-09-18 05:12:32,467 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-09-18 05:12:32,468 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-18 05:12:32,468 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-18 05:12:32,468 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-18 05:12:32,468 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-18 05:12:32,468 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-18 05:12:32,470 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-18 05:12:32,471 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-18 05:12:32,471 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-18 05:12:32,471 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-18 05:12:32,471 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-18 05:12:32,472 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-18 05:12:32,473 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-18 05:12:32,473 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-18 05:12:32,473 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-18 05:12:32,473 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-18 05:12:32,473 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-18 05:12:32,474 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-18 05:12:32,474 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-18 05:12:32,474 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-18 05:12:32,474 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-18 05:12:32,474 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-18 05:12:32,474 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-18 05:12:32,474 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-18 05:12:32,475 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-18 05:12:32,475 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-18 05:12:32,475 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-18 05:12:32,475 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-18 05:12:32,476 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-18 05:12:32,476 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-18 05:12:32,476 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-18 05:12:32,476 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-18 05:12:32,476 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-18 05:12:32,477 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-18 05:12:32,477 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-18 05:12:32,477 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-18 05:12:32,477 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-18 05:12:32,477 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-18 05:12:32,477 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-18 05:12:32,477 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-18 05:12:32,478 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-09-18 05:12:32,478 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-18 05:12:32,478 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-18 05:12:32,478 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-18 05:12:32,478 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-18 05:12:32,478 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-18 05:12:32,479 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-18 05:12:32,479 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-18 05:12:32,479 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-18 05:12:32,479 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-18 05:12:32,480 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-09-18 05:12:32,480 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-09-18 05:12:32,480 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-18 05:12:32,480 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-18 05:12:32,480 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-18 05:12:32,480 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-18 05:12:32,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-18 05:12:32,481 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-18 05:12:32,481 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-18 05:12:32,481 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-18 05:12:32,481 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-18 05:12:32,481 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-18 05:12:32,482 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-18 05:12:32,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-18 05:12:32,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-18 05:12:32,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-18 05:12:32,483 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-18 05:12:32,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-18 05:12:32,484 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-18 05:12:32,484 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-18 05:12:32,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-18 05:12:32,485 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-18 05:12:32,485 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-18 05:12:32,485 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-18 05:12:32,485 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-18 05:12:32,485 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-18 05:12:32,486 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-18 05:12:32,486 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-18 05:12:32,487 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-18 05:12:32,487 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-18 05:12:32,487 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-18 05:12:32,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-18 05:12:32,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-18 05:12:32,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-18 05:12:33,507 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-18 05:12:33,508 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-18 05:12:33,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 05:12:33 BoogieIcfgContainer [2019-09-18 05:12:33,510 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-18 05:12:33,510 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-18 05:12:33,511 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-18 05:12:33,511 INFO L275 PluginConnector]: Sifa initialized [2019-09-18 05:12:33,512 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 05:12:33" (1/1) ... [2019-09-18 05:12:33,513 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 [2019-09-18 05:12:33,540 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-18 05:12:33,540 INFO L169 IcfgInterpreter]: Building call graph [2019-09-18 05:12:33,554 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-18 05:12:33,566 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-18 05:12:33,567 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-18 05:12:56,541 WARN L191 SmtUtils]: Spent 14.13 s on a formula simplification that was a NOOP. DAG size: 466 [2019-09-18 05:12:58,304 WARN L191 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-18 05:13:02,255 WARN L191 SmtUtils]: Spent 3.94 s on a formula simplification. DAG size of input: 474 DAG size of output: 424 [2019-09-18 05:13:04,127 WARN L191 SmtUtils]: Spent 1.86 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-18 05:13:05,939 WARN L191 SmtUtils]: Spent 1.81 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-18 05:13:05,954 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 432 for LOIs [2019-09-18 05:13:06,041 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 432 for LOIs [2019-09-18 05:13:06,071 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 432 for LOIs [2019-09-18 05:13:17,204 WARN L191 SmtUtils]: Spent 11.00 s on a formula simplification. DAG size of input: 445 DAG size of output: 444 [2019-09-18 05:13:22,711 WARN L191 SmtUtils]: Spent 5.51 s on a formula simplification that was a NOOP. DAG size: 444 [2019-09-18 05:13:33,580 WARN L191 SmtUtils]: Spent 10.87 s on a formula simplification. DAG size of input: 445 DAG size of output: 444 [2019-09-18 05:13:38,949 WARN L191 SmtUtils]: Spent 5.37 s on a formula simplification that was a NOOP. DAG size: 444 [2019-09-18 05:13:56,782 WARN L191 SmtUtils]: Spent 17.76 s on a formula simplification. DAG size of input: 459 DAG size of output: 459 [2019-09-18 05:14:05,657 WARN L191 SmtUtils]: Spent 8.87 s on a formula simplification that was a NOOP. DAG size: 459 [2019-09-18 05:14:33,032 WARN L191 SmtUtils]: Spent 27.31 s on a formula simplification. DAG size of input: 473 DAG size of output: 466 [2019-09-18 05:14:42,107 WARN L191 SmtUtils]: Spent 9.07 s on a formula simplification that was a NOOP. DAG size: 466 [2019-09-18 05:14:51,196 WARN L191 SmtUtils]: Spent 9.09 s on a formula simplification that was a NOOP. DAG size: 472 [2019-09-18 05:15:00,351 WARN L191 SmtUtils]: Spent 9.15 s on a formula simplification that was a NOOP. DAG size: 472 [2019-09-18 05:15:13,204 WARN L191 SmtUtils]: Spent 11.68 s on a formula simplification. DAG size of input: 484 DAG size of output: 474 [2019-09-18 05:15:18,909 WARN L191 SmtUtils]: Spent 5.70 s on a formula simplification that was a NOOP. DAG size: 474 [2019-09-18 05:15:24,664 WARN L191 SmtUtils]: Spent 5.71 s on a formula simplification that was a NOOP. DAG size: 469 [2019-09-18 05:15:30,298 WARN L191 SmtUtils]: Spent 5.63 s on a formula simplification that was a NOOP. DAG size: 469 [2019-09-18 05:15:43,381 WARN L191 SmtUtils]: Spent 13.08 s on a formula simplification. DAG size of input: 481 DAG size of output: 467 [2019-09-18 05:15:49,007 WARN L191 SmtUtils]: Spent 5.62 s on a formula simplification that was a NOOP. DAG size: 467 [2019-09-18 05:16:02,067 WARN L191 SmtUtils]: Spent 13.06 s on a formula simplification. DAG size of input: 481 DAG size of output: 467 [2019-09-18 05:16:07,679 WARN L191 SmtUtils]: Spent 5.61 s on a formula simplification that was a NOOP. DAG size: 467 [2019-09-18 05:16:20,339 WARN L191 SmtUtils]: Spent 12.64 s on a formula simplification that was a NOOP. DAG size: 482 [2019-09-18 05:16:20,886 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 48 [2019-09-18 05:16:21,339 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 60 [2019-09-18 05:16:21,630 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 60 [2019-09-18 05:16:23,711 WARN L191 SmtUtils]: Spent 1.90 s on a formula simplification that was a NOOP. DAG size: 466 [2019-09-18 05:16:25,642 WARN L191 SmtUtils]: Spent 1.93 s on a formula simplification that was a NOOP. DAG size: 466 [2019-09-18 05:16:43,586 WARN L191 SmtUtils]: Spent 17.90 s on a formula simplification. DAG size of input: 459 DAG size of output: 459 [2019-09-18 05:16:52,480 WARN L191 SmtUtils]: Spent 8.89 s on a formula simplification that was a NOOP. DAG size: 459 [2019-09-18 05:17:19,963 WARN L191 SmtUtils]: Spent 27.41 s on a formula simplification. DAG size of input: 473 DAG size of output: 466 [2019-09-18 05:17:29,117 WARN L191 SmtUtils]: Spent 9.15 s on a formula simplification that was a NOOP. DAG size: 466 [2019-09-18 05:17:38,257 WARN L191 SmtUtils]: Spent 9.14 s on a formula simplification that was a NOOP. DAG size: 472 [2019-09-18 05:17:47,374 WARN L191 SmtUtils]: Spent 9.11 s on a formula simplification that was a NOOP. DAG size: 472 [2019-09-18 05:17:59,415 WARN L191 SmtUtils]: Spent 11.93 s on a formula simplification. DAG size of input: 484 DAG size of output: 474 [2019-09-18 05:18:05,401 WARN L191 SmtUtils]: Spent 5.98 s on a formula simplification that was a NOOP. DAG size: 474 [2019-09-18 05:18:11,403 WARN L191 SmtUtils]: Spent 5.96 s on a formula simplification that was a NOOP. DAG size: 469 [2019-09-18 05:18:17,326 WARN L191 SmtUtils]: Spent 5.92 s on a formula simplification that was a NOOP. DAG size: 469 [2019-09-18 05:18:38,480 WARN L191 SmtUtils]: Spent 21.15 s on a formula simplification. DAG size of input: 481 DAG size of output: 467 [2019-09-18 05:18:44,180 WARN L191 SmtUtils]: Spent 5.70 s on a formula simplification that was a NOOP. DAG size: 467 [2019-09-18 05:19:04,997 WARN L191 SmtUtils]: Spent 20.82 s on a formula simplification. DAG size of input: 481 DAG size of output: 467 [2019-09-18 05:19:10,668 WARN L191 SmtUtils]: Spent 5.67 s on a formula simplification that was a NOOP. DAG size: 467 [2019-09-18 05:19:23,232 WARN L191 SmtUtils]: Spent 12.54 s on a formula simplification that was a NOOP. DAG size: 482 [2019-09-18 05:19:23,541 WARN L191 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 48 [2019-09-18 05:19:23,993 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 60 [2019-09-18 05:19:24,288 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 60 [2019-09-18 05:19:24,587 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 469 DAG size of output: 41 [2019-09-18 05:19:24,718 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 29 for LOIs [2019-09-18 05:19:25,099 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2019-09-18 05:19:25,339 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 56 [2019-09-18 05:19:25,429 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 10 for LOIs [2019-09-18 05:19:25,543 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 1 for LOIs [2019-09-18 05:19:25,545 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 19 for LOIs [2019-09-18 05:19:25,567 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-18 05:19:25,567 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-18 05:19:25,569 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 528#(and (<= ~waterLevel~0 2147483647) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (<= 0 (+ ~pumpRunning~0 2147483648)) (not (= 2 ~waterLevel~0)) (= ~switchedOnBeforeTS~0 0) (not (= ~pumpRunning~0 0))) [2019-09-18 05:19:25,580 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-18 05:19:25,580 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-18 05:19:25,582 INFO L168 Benchmark]: Toolchain (without parser) took 413985.11 ms. Allocated memory was 132.1 MB in the beginning and 149.4 MB in the end (delta: 17.3 MB). Free memory was 85.3 MB in the beginning and 61.0 MB in the end (delta: 24.3 MB). Peak memory consumption was 41.6 MB. Max. memory is 7.1 GB. [2019-09-18 05:19:25,583 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 132.1 MB. Free memory was 105.2 MB in the beginning and 104.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-18 05:19:25,584 INFO L168 Benchmark]: CACSL2BoogieTranslator took 690.72 ms. Allocated memory was 132.1 MB in the beginning and 199.8 MB in the end (delta: 67.6 MB). Free memory was 85.1 MB in the beginning and 164.9 MB in the end (delta: -79.8 MB). Peak memory consumption was 27.4 MB. Max. memory is 7.1 GB. [2019-09-18 05:19:25,584 INFO L168 Benchmark]: Boogie Preprocessor took 119.62 ms. Allocated memory is still 199.8 MB. Free memory was 164.9 MB in the beginning and 160.4 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-09-18 05:19:25,585 INFO L168 Benchmark]: RCFGBuilder took 1100.90 ms. Allocated memory was 199.8 MB in the beginning and 221.8 MB in the end (delta: 22.0 MB). Free memory was 160.4 MB in the beginning and 192.6 MB in the end (delta: -32.2 MB). Peak memory consumption was 92.3 MB. Max. memory is 7.1 GB. [2019-09-18 05:19:25,586 INFO L168 Benchmark]: Sifa took 412069.88 ms. Allocated memory was 221.8 MB in the beginning and 149.4 MB in the end (delta: -72.4 MB). Free memory was 192.6 MB in the beginning and 61.0 MB in the end (delta: 131.6 MB). Peak memory consumption was 59.2 MB. Max. memory is 7.1 GB. [2019-09-18 05:19:25,590 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 132.1 MB. Free memory was 105.2 MB in the beginning and 104.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 690.72 ms. Allocated memory was 132.1 MB in the beginning and 199.8 MB in the end (delta: 67.6 MB). Free memory was 85.1 MB in the beginning and 164.9 MB in the end (delta: -79.8 MB). Peak memory consumption was 27.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 119.62 ms. Allocated memory is still 199.8 MB. Free memory was 164.9 MB in the beginning and 160.4 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1100.90 ms. Allocated memory was 199.8 MB in the beginning and 221.8 MB in the end (delta: 22.0 MB). Free memory was 160.4 MB in the beginning and 192.6 MB in the end (delta: -32.2 MB). Peak memory consumption was 92.3 MB. Max. memory is 7.1 GB. * Sifa took 412069.88 ms. Allocated memory was 221.8 MB in the beginning and 149.4 MB in the end (delta: -72.4 MB). Free memory was 192.6 MB in the beginning and 61.0 MB in the end (delta: 131.6 MB). Peak memory consumption was 59.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 412030, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 280, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 198, TOOLS_POST_TIME[ms]: 28740, TOOLS_POST_CALL_APPLICATIONS: 69, TOOLS_POST_CALL_TIME[ms]: 230, TOOLS_POST_RETURN_APPLICATIONS: 60, TOOLS_POST_RETURN_TIME[ms]: 111, TOOLS_QUANTIFIERELIM_APPLICATIONS: 326, TOOLS_QUANTIFIERELIM_TIME[ms]: 28960, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 28606, FLUID_QUERY_TIME[ms]: 13, FLUID_QUERIES: 287, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 88, DOMAIN_JOIN_TIME[ms]: 356858, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 25492, DOMAIN_ISSUBSETEQ_APPLICATIONS: 7, DOMAIN_ISSUBSETEQ_TIME[ms]: 46, DOMAIN_ISBOTTOM_APPLICATIONS: 50, DOMAIN_ISBOTTOM_TIME[ms]: 388, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 288643, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 288642, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 7, CALL_SUMMARIZER_APPLICATIONS: 60, CALL_SUMMARIZER_CACHE_MISSES: 25, CALL_SUMMARIZER_OVERALL_TIME[ms]: 33690, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 33689, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 37, DAG_COMPRESSION_PROCESSED_NODES: 438, DAG_COMPRESSION_RETAINED_NODES: 254 - UnprovableResult [Line: 202]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 528#(and (<= ~waterLevel~0 2147483647) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (<= 0 (+ ~pumpRunning~0 2147483648)) (not (= 2 ~waterLevel~0)) (= ~switchedOnBeforeTS~0 0) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...