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 AlwaysFluid --sifa.intern.fluid AlwaysFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product59.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 22:36:20,611 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 22:36:20,613 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 22:36:20,625 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 22:36:20,626 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 22:36:20,627 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 22:36:20,629 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 22:36:20,631 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 22:36:20,633 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 22:36:20,634 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 22:36:20,635 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 22:36:20,636 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 22:36:20,636 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 22:36:20,637 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 22:36:20,638 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 22:36:20,639 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 22:36:20,640 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 22:36:20,641 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 22:36:20,643 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 22:36:20,645 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 22:36:20,647 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 22:36:20,649 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 22:36:20,650 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 22:36:20,651 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 22:36:20,654 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 22:36:20,654 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 22:36:20,655 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 22:36:20,656 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 22:36:20,656 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 22:36:20,658 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 22:36:20,658 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 22:36:20,659 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 22:36:20,660 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 22:36:20,661 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 22:36:20,662 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 22:36:20,662 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 22:36:20,663 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 22:36:20,663 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 22:36:20,663 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 22:36:20,664 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 22:36:20,665 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 22:36:20,666 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-20 22:36:20,683 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 22:36:20,684 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 22:36:20,685 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 22:36:20,685 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 22:36:20,685 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 22:36:20,686 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 22:36:20,686 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 22:36:20,686 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 22:36:20,686 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 22:36:20,687 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 22:36:20,687 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 22:36:20,687 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 22:36:20,687 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 22:36:20,687 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 22:36:20,688 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 22:36:20,688 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 22:36:20,688 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 22:36:20,688 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 22:36:20,688 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 22:36:20,689 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 22:36:20,689 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 22:36:20,689 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 22:36:20,689 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 22:36:20,690 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 22:36:20,690 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 22:36:20,690 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 22:36:20,690 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 22:36:20,690 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 22:36:20,691 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 -> AlwaysFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> AlwaysFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 22:36:20,724 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 22:36:20,737 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 22:36:20,740 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 22:36:20,741 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 22:36:20,742 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 22:36:20,742 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product59.cil.c [2019-09-20 22:36:20,806 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd812bcb2/69996a4fd4e54dc0a07021085e49b0ce/FLAG3731f38c8 [2019-09-20 22:36:21,352 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 22:36:21,353 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product59.cil.c [2019-09-20 22:36:21,366 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd812bcb2/69996a4fd4e54dc0a07021085e49b0ce/FLAG3731f38c8 [2019-09-20 22:36:21,638 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd812bcb2/69996a4fd4e54dc0a07021085e49b0ce [2019-09-20 22:36:21,649 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 22:36:21,650 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 22:36:21,652 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 22:36:21,652 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 22:36:21,661 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 22:36:21,662 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 10:36:21" (1/1) ... [2019-09-20 22:36:21,665 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c2d1988 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:36:21, skipping insertion in model container [2019-09-20 22:36:21,665 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 10:36:21" (1/1) ... [2019-09-20 22:36:21,673 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 22:36:21,726 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 22:36:22,105 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 22:36:22,120 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 22:36:22,275 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 22:36:22,328 INFO L192 MainTranslator]: Completed translation [2019-09-20 22:36:22,329 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:36:22 WrapperNode [2019-09-20 22:36:22,329 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 22:36:22,330 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 22:36:22,330 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 22:36:22,330 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 22:36:22,341 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:36:22" (1/1) ... [2019-09-20 22:36:22,341 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:36:22" (1/1) ... [2019-09-20 22:36:22,361 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:36:22" (1/1) ... [2019-09-20 22:36:22,361 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:36:22" (1/1) ... [2019-09-20 22:36:22,390 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:36:22" (1/1) ... [2019-09-20 22:36:22,402 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:36:22" (1/1) ... [2019-09-20 22:36:22,411 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:36:22" (1/1) ... [2019-09-20 22:36:22,418 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 22:36:22,419 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 22:36:22,419 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 22:36:22,419 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 22:36:22,420 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:36:22" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 22:36:22,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 22:36:22,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 22:36:22,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 22:36:22,487 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 22:36:22,487 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 22:36:22,487 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 22:36:22,488 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 22:36:22,488 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-20 22:36:22,488 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 22:36:22,488 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 22:36:22,488 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 22:36:22,489 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 22:36:22,489 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 22:36:22,489 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-20 22:36:22,489 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 22:36:22,489 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 22:36:22,489 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 22:36:22,490 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 22:36:22,490 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 22:36:22,490 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-20 22:36:22,490 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-20 22:36:22,490 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-20 22:36:22,490 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 22:36:22,491 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 22:36:22,491 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 22:36:22,491 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 22:36:22,491 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 22:36:22,491 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 22:36:22,491 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 22:36:22,492 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 22:36:22,492 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 22:36:22,492 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 22:36:22,492 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 22:36:22,492 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-20 22:36:22,492 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-20 22:36:22,493 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 22:36:22,493 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 22:36:22,493 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 22:36:22,493 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 22:36:22,493 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 22:36:22,493 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 22:36:22,494 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 22:36:22,494 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 22:36:22,494 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 22:36:22,494 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 22:36:22,494 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 22:36:22,494 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 22:36:22,495 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 22:36:22,495 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 22:36:22,495 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 22:36:22,495 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 22:36:22,495 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 22:36:22,495 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-20 22:36:22,496 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 22:36:22,496 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 22:36:22,496 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-20 22:36:22,496 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 22:36:22,496 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 22:36:22,496 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 22:36:22,497 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 22:36:22,497 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 22:36:22,497 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 22:36:22,497 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-20 22:36:22,497 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-20 22:36:22,497 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 22:36:22,497 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 22:36:22,498 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 22:36:22,498 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 22:36:22,498 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 22:36:22,498 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-20 22:36:22,498 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 22:36:22,498 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-20 22:36:22,499 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-20 22:36:22,499 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 22:36:22,499 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 22:36:22,499 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 22:36:22,499 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 22:36:22,499 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 22:36:22,500 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 22:36:22,500 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 22:36:22,500 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 22:36:22,500 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 22:36:22,500 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 22:36:22,500 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 22:36:22,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 22:36:22,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 22:36:22,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 22:36:22,501 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 22:36:22,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 22:36:22,501 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 22:36:22,502 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 22:36:22,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 22:36:22,502 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 22:36:22,502 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 22:36:22,502 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 22:36:22,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 22:36:22,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 22:36:22,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 22:36:24,079 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 22:36:24,080 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 22:36:24,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 10:36:24 BoogieIcfgContainer [2019-09-20 22:36:24,081 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 22:36:24,082 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 22:36:24,082 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 22:36:24,082 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 22:36:24,084 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 10:36:24" (1/1) ... [2019-09-20 22:36:24,084 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=AlwaysFluid ♦ 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=AlwaysFluid [2019-09-20 22:36:24,108 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 22:36:24,109 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 22:36:24,118 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 22:36:24,128 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 22:36:24,129 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 22:36:48,750 WARN L191 SmtUtils]: Spent 14.13 s on a formula simplification that was a NOOP. DAG size: 464 [2019-09-20 22:36:50,408 WARN L191 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-20 22:36:54,564 WARN L191 SmtUtils]: Spent 4.15 s on a formula simplification. DAG size of input: 472 DAG size of output: 422 [2019-09-20 22:36:56,569 WARN L191 SmtUtils]: Spent 2.00 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-20 22:36:58,466 WARN L191 SmtUtils]: Spent 1.90 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-20 22:36:58,482 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 13 for LOIs [2019-09-20 22:36:58,522 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 13 for LOIs [2019-09-20 22:36:58,530 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 13 for LOIs [2019-09-20 22:36:59,365 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 7 for LOIs [2019-09-20 22:36:59,402 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 7 for LOIs [2019-09-20 22:36:59,428 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 1 for LOIs [2019-09-20 22:36:59,435 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 1 for LOIs [2019-09-20 22:36:59,439 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 22:36:59,439 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 22:36:59,441 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 687#true [2019-09-20 22:36:59,453 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 22:36:59,453 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 22:36:59,455 INFO L168 Benchmark]: Toolchain (without parser) took 37804.70 ms. Allocated memory was 141.0 MB in the beginning and 417.3 MB in the end (delta: 276.3 MB). Free memory was 87.3 MB in the beginning and 109.6 MB in the end (delta: -22.3 MB). Peak memory consumption was 254.0 MB. Max. memory is 7.1 GB. [2019-09-20 22:36:59,456 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 141.0 MB. Free memory is still 106.7 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 22:36:59,457 INFO L168 Benchmark]: CACSL2BoogieTranslator took 677.93 ms. Allocated memory was 141.0 MB in the beginning and 200.8 MB in the end (delta: 59.8 MB). Free memory was 87.3 MB in the beginning and 165.0 MB in the end (delta: -77.7 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. [2019-09-20 22:36:59,458 INFO L168 Benchmark]: Boogie Preprocessor took 88.43 ms. Allocated memory is still 200.8 MB. Free memory was 165.0 MB in the beginning and 160.6 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-09-20 22:36:59,459 INFO L168 Benchmark]: RCFGBuilder took 1662.81 ms. Allocated memory was 200.8 MB in the beginning and 228.1 MB in the end (delta: 27.3 MB). Free memory was 160.6 MB in the beginning and 140.6 MB in the end (delta: 20.0 MB). Peak memory consumption was 86.2 MB. Max. memory is 7.1 GB. [2019-09-20 22:36:59,460 INFO L168 Benchmark]: Sifa took 35371.28 ms. Allocated memory was 228.1 MB in the beginning and 417.3 MB in the end (delta: 189.3 MB). Free memory was 140.6 MB in the beginning and 109.6 MB in the end (delta: 31.0 MB). Peak memory consumption was 220.2 MB. Max. memory is 7.1 GB. [2019-09-20 22:36:59,463 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 141.0 MB. Free memory is still 106.7 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 677.93 ms. Allocated memory was 141.0 MB in the beginning and 200.8 MB in the end (delta: 59.8 MB). Free memory was 87.3 MB in the beginning and 165.0 MB in the end (delta: -77.7 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 88.43 ms. Allocated memory is still 200.8 MB. Free memory was 165.0 MB in the beginning and 160.6 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1662.81 ms. Allocated memory was 200.8 MB in the beginning and 228.1 MB in the end (delta: 27.3 MB). Free memory was 160.6 MB in the beginning and 140.6 MB in the end (delta: 20.0 MB). Peak memory consumption was 86.2 MB. Max. memory is 7.1 GB. * Sifa took 35371.28 ms. Allocated memory was 228.1 MB in the beginning and 417.3 MB in the end (delta: 189.3 MB). Free memory was 140.6 MB in the beginning and 109.6 MB in the end (delta: 31.0 MB). Peak memory consumption was 220.2 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]: 35333, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 229, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 153, TOOLS_POST_TIME[ms]: 30360, TOOLS_POST_CALL_APPLICATIONS: 66, TOOLS_POST_CALL_TIME[ms]: 72, TOOLS_POST_RETURN_APPLICATIONS: 57, TOOLS_POST_RETURN_TIME[ms]: 39, TOOLS_QUANTIFIERELIM_APPLICATIONS: 276, TOOLS_QUANTIFIERELIM_TIME[ms]: 30410, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 30329, FLUID_QUERY_TIME[ms]: 0, FLUID_QUERIES: 232, FLUID_YES_ANSWERS: 232, DOMAIN_JOIN_APPLICATIONS: 77, DOMAIN_JOIN_TIME[ms]: 4396, DOMAIN_ALPHA_APPLICATIONS: 232, DOMAIN_ALPHA_TIME[ms]: 288, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 1, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3, DOMAIN_ISSUBSETEQ_TIME[ms]: 1, DOMAIN_ISBOTTOM_APPLICATIONS: 40, DOMAIN_ISBOTTOM_TIME[ms]: 35, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 593, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 593, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 57, CALL_SUMMARIZER_CACHE_MISSES: 29, CALL_SUMMARIZER_OVERALL_TIME[ms]: 34813, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 34810, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 8, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 35, DAG_COMPRESSION_PROCESSED_NODES: 477, DAG_COMPRESSION_RETAINED_NODES: 252 - UnprovableResult [Line: 620]: 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 687#true. Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...