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_spec5_product35.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-19 17:27:38,703 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-19 17:27:38,705 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-19 17:27:38,716 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-19 17:27:38,717 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-19 17:27:38,718 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-19 17:27:38,719 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-19 17:27:38,721 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-19 17:27:38,723 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-19 17:27:38,724 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-19 17:27:38,725 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-19 17:27:38,726 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-19 17:27:38,726 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-19 17:27:38,727 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-19 17:27:38,728 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-19 17:27:38,729 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-19 17:27:38,730 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-19 17:27:38,731 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-19 17:27:38,733 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-19 17:27:38,735 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-19 17:27:38,737 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-19 17:27:38,738 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-19 17:27:38,739 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-19 17:27:38,740 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-19 17:27:38,743 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-19 17:27:38,743 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-19 17:27:38,744 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-19 17:27:38,745 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-19 17:27:38,745 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-19 17:27:38,746 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-19 17:27:38,747 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-19 17:27:38,747 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-19 17:27:38,748 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-19 17:27:38,749 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-19 17:27:38,750 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-19 17:27:38,751 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-19 17:27:38,751 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-19 17:27:38,752 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-19 17:27:38,752 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-19 17:27:38,753 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-19 17:27:38,753 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-19 17:27:38,754 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-19 17:27:38,774 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-19 17:27:38,774 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-19 17:27:38,778 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-19 17:27:38,778 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-19 17:27:38,778 INFO L138 SettingsManager]: * Use SBE=true [2019-09-19 17:27:38,778 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-19 17:27:38,778 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-19 17:27:38,779 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-19 17:27:38,779 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-19 17:27:38,779 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-19 17:27:38,779 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-19 17:27:38,779 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-19 17:27:38,780 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-19 17:27:38,780 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-19 17:27:38,780 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-19 17:27:38,781 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-19 17:27:38,781 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-19 17:27:38,782 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-19 17:27:38,782 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-19 17:27:38,782 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-19 17:27:38,782 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-19 17:27:38,782 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-19 17:27:38,782 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-19 17:27:38,783 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-19 17:27:38,783 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-19 17:27:38,783 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-19 17:27:38,783 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-19 17:27:38,783 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-19 17:27:38,784 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 [2019-09-19 17:27:38,828 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-19 17:27:38,841 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-19 17:27:38,845 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-19 17:27:38,847 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-19 17:27:38,847 INFO L275 PluginConnector]: CDTParser initialized [2019-09-19 17:27:38,848 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product35.cil.c [2019-09-19 17:27:38,909 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3784862e3/f27b4e3b415542ce9258498f1c74f3c6/FLAG068b5556a [2019-09-19 17:27:39,478 INFO L306 CDTParser]: Found 1 translation units. [2019-09-19 17:27:39,479 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product35.cil.c [2019-09-19 17:27:39,491 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3784862e3/f27b4e3b415542ce9258498f1c74f3c6/FLAG068b5556a [2019-09-19 17:27:39,751 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3784862e3/f27b4e3b415542ce9258498f1c74f3c6 [2019-09-19 17:27:39,762 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-19 17:27:39,763 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-19 17:27:39,764 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-19 17:27:39,765 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-19 17:27:39,768 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-19 17:27:39,769 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 05:27:39" (1/1) ... [2019-09-19 17:27:39,772 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@772ff177 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:27:39, skipping insertion in model container [2019-09-19 17:27:39,773 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 05:27:39" (1/1) ... [2019-09-19 17:27:39,780 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-19 17:27:39,842 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-19 17:27:40,271 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 17:27:40,301 INFO L188 MainTranslator]: Completed pre-run [2019-09-19 17:27:40,407 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 17:27:40,451 INFO L192 MainTranslator]: Completed translation [2019-09-19 17:27:40,452 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:27:40 WrapperNode [2019-09-19 17:27:40,452 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-19 17:27:40,453 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-19 17:27:40,453 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-19 17:27:40,453 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-19 17:27:40,467 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:27:40" (1/1) ... [2019-09-19 17:27:40,467 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:27:40" (1/1) ... [2019-09-19 17:27:40,486 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:27:40" (1/1) ... [2019-09-19 17:27:40,486 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:27:40" (1/1) ... [2019-09-19 17:27:40,516 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:27:40" (1/1) ... [2019-09-19 17:27:40,526 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:27:40" (1/1) ... [2019-09-19 17:27:40,531 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:27:40" (1/1) ... [2019-09-19 17:27:40,539 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-19 17:27:40,540 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-19 17:27:40,540 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-19 17:27:40,540 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-19 17:27:40,541 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:27:40" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-19 17:27:40,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-19 17:27:40,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-19 17:27:40,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-19 17:27:40,607 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-19 17:27:40,607 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-19 17:27:40,607 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-19 17:27:40,607 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-19 17:27:40,607 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-19 17:27:40,608 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-19 17:27:40,608 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-19 17:27:40,608 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-19 17:27:40,608 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-19 17:27:40,608 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-19 17:27:40,609 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-19 17:27:40,609 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-19 17:27:40,609 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-19 17:27:40,609 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-19 17:27:40,609 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-19 17:27:40,610 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-19 17:27:40,610 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-19 17:27:40,610 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-19 17:27:40,610 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-19 17:27:40,610 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-19 17:27:40,610 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-19 17:27:40,611 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-19 17:27:40,611 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-19 17:27:40,611 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-19 17:27:40,611 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-19 17:27:40,611 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-19 17:27:40,612 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-19 17:27:40,612 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-19 17:27:40,612 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-19 17:27:40,612 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-19 17:27:40,612 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-19 17:27:40,612 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-19 17:27:40,612 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-19 17:27:40,613 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-19 17:27:40,613 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-09-19 17:27:40,613 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-09-19 17:27:40,613 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-09-19 17:27:40,613 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-19 17:27:40,613 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-19 17:27:40,614 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-19 17:27:40,614 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-19 17:27:40,614 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-19 17:27:40,614 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-19 17:27:40,614 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-19 17:27:40,615 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-19 17:27:40,615 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-19 17:27:40,615 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-19 17:27:40,615 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-19 17:27:40,615 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-09-19 17:27:40,615 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-19 17:27:40,615 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-19 17:27:40,616 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-19 17:27:40,616 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-19 17:27:40,616 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-19 17:27:40,616 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-19 17:27:40,616 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-19 17:27:40,616 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-19 17:27:40,617 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-19 17:27:40,617 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-19 17:27:40,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-19 17:27:40,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-19 17:27:40,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-19 17:27:40,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-19 17:27:40,618 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-19 17:27:40,618 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-19 17:27:40,618 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-19 17:27:40,619 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-19 17:27:40,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-19 17:27:40,619 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-19 17:27:40,619 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-19 17:27:40,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-19 17:27:40,620 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-19 17:27:40,620 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-19 17:27:40,620 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-19 17:27:40,620 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-19 17:27:40,620 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-19 17:27:40,620 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-19 17:27:40,621 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-19 17:27:40,621 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-19 17:27:40,621 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-19 17:27:40,621 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-19 17:27:40,621 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-19 17:27:40,621 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-09-19 17:27:40,621 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-09-19 17:27:40,622 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-19 17:27:40,622 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-19 17:27:40,622 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-19 17:27:40,622 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-19 17:27:40,622 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-19 17:27:40,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-19 17:27:40,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-19 17:27:42,441 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-19 17:27:42,441 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-19 17:27:42,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 05:27:42 BoogieIcfgContainer [2019-09-19 17:27:42,443 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-19 17:27:42,443 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-19 17:27:42,444 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-19 17:27:42,444 INFO L275 PluginConnector]: Sifa initialized [2019-09-19 17:27:42,445 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 05:27:42" (1/1) ... [2019-09-19 17:27:42,446 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 [2019-09-19 17:27:42,473 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-19 17:27:42,473 INFO L169 IcfgInterpreter]: Building call graph [2019-09-19 17:27:42,486 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-19 17:27:42,498 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-19 17:27:42,499 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-19 17:28:03,305 WARN L191 SmtUtils]: Spent 12.03 s on a formula simplification that was a NOOP. DAG size: 466 [2019-09-19 17:28:05,086 WARN L191 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-19 17:28:09,010 WARN L191 SmtUtils]: Spent 3.92 s on a formula simplification. DAG size of input: 474 DAG size of output: 424 [2019-09-19 17:28:10,932 WARN L191 SmtUtils]: Spent 1.92 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-19 17:28:12,864 WARN L191 SmtUtils]: Spent 1.93 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-19 17:28:12,884 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 16 for LOIs [2019-09-19 17:28:12,933 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 16 for LOIs [2019-09-19 17:28:12,944 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 18 for LOIs [2019-09-19 17:28:13,584 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 10 for LOIs [2019-09-19 17:28:13,645 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 10 for LOIs [2019-09-19 17:28:13,668 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 1 for LOIs [2019-09-19 17:28:13,679 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 3 for LOIs [2019-09-19 17:28:13,685 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-19 17:28:13,685 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-19 17:28:13,687 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 668#(= ~switchedOnBeforeTS~0 0) [2019-09-19 17:28:13,701 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-19 17:28:13,702 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-19 17:28:13,705 INFO L168 Benchmark]: Toolchain (without parser) took 33940.68 ms. Allocated memory was 134.2 MB in the beginning and 442.0 MB in the end (delta: 307.8 MB). Free memory was 88.8 MB in the beginning and 259.6 MB in the end (delta: -170.8 MB). Peak memory consumption was 136.9 MB. Max. memory is 7.1 GB. [2019-09-19 17:28:13,706 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 134.2 MB. Free memory was 108.5 MB in the beginning and 108.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-19 17:28:13,708 INFO L168 Benchmark]: CACSL2BoogieTranslator took 688.10 ms. Allocated memory was 134.2 MB in the beginning and 200.8 MB in the end (delta: 66.6 MB). Free memory was 88.6 MB in the beginning and 165.2 MB in the end (delta: -76.6 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. [2019-09-19 17:28:13,710 INFO L168 Benchmark]: Boogie Preprocessor took 86.43 ms. Allocated memory is still 200.8 MB. Free memory was 165.2 MB in the beginning and 160.9 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-09-19 17:28:13,717 INFO L168 Benchmark]: RCFGBuilder took 1903.29 ms. Allocated memory was 200.8 MB in the beginning and 227.5 MB in the end (delta: 26.7 MB). Free memory was 160.9 MB in the beginning and 146.0 MB in the end (delta: 14.9 MB). Peak memory consumption was 86.9 MB. Max. memory is 7.1 GB. [2019-09-19 17:28:13,718 INFO L168 Benchmark]: Sifa took 31258.66 ms. Allocated memory was 227.5 MB in the beginning and 442.0 MB in the end (delta: 214.4 MB). Free memory was 146.0 MB in the beginning and 259.6 MB in the end (delta: -113.6 MB). Peak memory consumption was 100.8 MB. Max. memory is 7.1 GB. [2019-09-19 17:28:13,731 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 134.2 MB. Free memory was 108.5 MB in the beginning and 108.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 688.10 ms. Allocated memory was 134.2 MB in the beginning and 200.8 MB in the end (delta: 66.6 MB). Free memory was 88.6 MB in the beginning and 165.2 MB in the end (delta: -76.6 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 86.43 ms. Allocated memory is still 200.8 MB. Free memory was 165.2 MB in the beginning and 160.9 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1903.29 ms. Allocated memory was 200.8 MB in the beginning and 227.5 MB in the end (delta: 26.7 MB). Free memory was 160.9 MB in the beginning and 146.0 MB in the end (delta: 14.9 MB). Peak memory consumption was 86.9 MB. Max. memory is 7.1 GB. * Sifa took 31258.66 ms. Allocated memory was 227.5 MB in the beginning and 442.0 MB in the end (delta: 214.4 MB). Free memory was 146.0 MB in the beginning and 259.6 MB in the end (delta: -113.6 MB). Peak memory consumption was 100.8 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]: 31214, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 212, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 145, TOOLS_POST_TIME[ms]: 26466, TOOLS_POST_CALL_APPLICATIONS: 59, TOOLS_POST_CALL_TIME[ms]: 52, TOOLS_POST_RETURN_APPLICATIONS: 50, TOOLS_POST_RETURN_TIME[ms]: 34, TOOLS_QUANTIFIERELIM_APPLICATIONS: 254, TOOLS_QUANTIFIERELIM_TIME[ms]: 26495, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 26433, FLUID_QUERY_TIME[ms]: 0, FLUID_QUERIES: 215, FLUID_YES_ANSWERS: 215, DOMAIN_JOIN_APPLICATIONS: 76, DOMAIN_JOIN_TIME[ms]: 4304, DOMAIN_ALPHA_APPLICATIONS: 215, DOMAIN_ALPHA_TIME[ms]: 189, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3, DOMAIN_ISSUBSETEQ_TIME[ms]: 1, DOMAIN_ISBOTTOM_APPLICATIONS: 41, DOMAIN_ISBOTTOM_TIME[ms]: 36, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 411, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 411, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 50, CALL_SUMMARIZER_CACHE_MISSES: 23, CALL_SUMMARIZER_OVERALL_TIME[ms]: 30583, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 30582, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 35, DAG_COMPRESSION_PROCESSED_NODES: 453, DAG_COMPRESSION_RETAINED_NODES: 238 - UnprovableResult [Line: 44]: 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 668#(= ~switchedOnBeforeTS~0 0). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...