java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AbstractInterpretationC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product04.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 04:48:13,740 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 04:48:13,742 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 04:48:13,754 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 04:48:13,755 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 04:48:13,756 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 04:48:13,757 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 04:48:13,759 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 04:48:13,761 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 04:48:13,762 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 04:48:13,763 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 04:48:13,764 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 04:48:13,764 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 04:48:13,765 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 04:48:13,766 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 04:48:13,768 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 04:48:13,768 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 04:48:13,769 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 04:48:13,771 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 04:48:13,773 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 04:48:13,775 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 04:48:13,776 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 04:48:13,778 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 04:48:13,779 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 04:48:13,781 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 04:48:13,781 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 04:48:13,782 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 04:48:13,783 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 04:48:13,783 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 04:48:13,784 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 04:48:13,784 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 04:48:13,785 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 04:48:13,786 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 04:48:13,787 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 04:48:13,788 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 04:48:13,788 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 04:48:13,789 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 04:48:13,789 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 04:48:13,789 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 04:48:13,790 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 04:48:13,791 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 04:48:13,792 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 [2019-10-15 04:48:13,806 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 04:48:13,807 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 04:48:13,808 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 04:48:13,808 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 04:48:13,808 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 04:48:13,809 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 04:48:13,809 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 04:48:13,809 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 04:48:13,810 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 04:48:13,810 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 04:48:13,810 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 04:48:13,811 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 04:48:13,811 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 04:48:13,811 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 04:48:13,811 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 04:48:13,811 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 04:48:13,812 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 04:48:13,812 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 04:48:13,813 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 04:48:13,813 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 04:48:13,814 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 04:48:13,814 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 04:48:13,814 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 04:48:13,814 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 04:48:13,814 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 04:48:13,815 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 04:48:13,815 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 04:48:13,815 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 04:48:13,815 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain [2019-10-15 04:48:14,126 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 04:48:14,141 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 04:48:14,145 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 04:48:14,147 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 04:48:14,148 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 04:48:14,149 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product04.cil.c [2019-10-15 04:48:14,242 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28472e9a5/4371f9d851b747d7b195171bda8f5fe1/FLAGd03692421 [2019-10-15 04:48:14,873 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 04:48:14,874 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product04.cil.c [2019-10-15 04:48:14,897 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28472e9a5/4371f9d851b747d7b195171bda8f5fe1/FLAGd03692421 [2019-10-15 04:48:15,125 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28472e9a5/4371f9d851b747d7b195171bda8f5fe1 [2019-10-15 04:48:15,136 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 04:48:15,138 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 04:48:15,142 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 04:48:15,142 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 04:48:15,145 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 04:48:15,146 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:48:15" (1/1) ... [2019-10-15 04:48:15,149 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37442555 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:48:15, skipping insertion in model container [2019-10-15 04:48:15,150 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:48:15" (1/1) ... [2019-10-15 04:48:15,158 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 04:48:15,215 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 04:48:15,585 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 04:48:15,599 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 04:48:15,685 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 04:48:15,724 INFO L192 MainTranslator]: Completed translation [2019-10-15 04:48:15,724 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:48:15 WrapperNode [2019-10-15 04:48:15,725 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 04:48:15,725 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 04:48:15,725 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 04:48:15,726 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 04:48:15,738 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:48:15" (1/1) ... [2019-10-15 04:48:15,738 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:48:15" (1/1) ... [2019-10-15 04:48:15,758 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:48:15" (1/1) ... [2019-10-15 04:48:15,759 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:48:15" (1/1) ... [2019-10-15 04:48:15,798 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:48:15" (1/1) ... [2019-10-15 04:48:15,807 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:48:15" (1/1) ... [2019-10-15 04:48:15,813 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:48:15" (1/1) ... [2019-10-15 04:48:15,820 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 04:48:15,820 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 04:48:15,821 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 04:48:15,821 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 04:48:15,822 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:48:15" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 04:48:15,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 04:48:15,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 04:48:15,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 04:48:15,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 04:48:15,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 04:48:15,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 04:48:15,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 04:48:15,885 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 04:48:15,885 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 04:48:15,885 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 04:48:15,885 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 04:48:15,885 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 04:48:15,886 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 04:48:15,886 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-15 04:48:15,886 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-15 04:48:15,886 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 04:48:15,886 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-15 04:48:15,887 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 04:48:15,887 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 04:48:15,887 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-15 04:48:15,887 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-15 04:48:15,887 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-15 04:48:15,887 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-15 04:48:15,888 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-15 04:48:15,888 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-15 04:48:15,888 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-15 04:48:15,888 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-15 04:48:15,888 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-15 04:48:15,888 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 04:48:15,889 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-15 04:48:15,889 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-15 04:48:15,889 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-15 04:48:15,889 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-15 04:48:15,889 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-15 04:48:15,889 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-15 04:48:15,890 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-10-15 04:48:15,890 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-10-15 04:48:15,890 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 04:48:15,890 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 04:48:15,890 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 04:48:15,891 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 04:48:15,891 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 04:48:15,891 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 04:48:15,891 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 04:48:15,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 04:48:15,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 04:48:15,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 04:48:15,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 04:48:15,892 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 04:48:15,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 04:48:15,892 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 04:48:15,892 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 04:48:15,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 04:48:15,893 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 04:48:15,893 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 04:48:15,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 04:48:15,893 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 04:48:15,893 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 04:48:15,894 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 04:48:15,894 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 04:48:15,894 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 04:48:15,894 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-15 04:48:15,894 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-15 04:48:15,894 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-15 04:48:15,894 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-15 04:48:15,895 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-15 04:48:15,895 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-15 04:48:15,895 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 04:48:15,895 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-10-15 04:48:15,895 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 04:48:15,895 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-15 04:48:15,896 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 04:48:15,896 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-15 04:48:15,896 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-15 04:48:15,896 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-15 04:48:15,896 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-15 04:48:15,896 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-15 04:48:15,897 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-15 04:48:15,897 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-15 04:48:15,897 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-15 04:48:15,897 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-10-15 04:48:15,897 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-15 04:48:15,897 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-15 04:48:15,898 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 04:48:15,898 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-15 04:48:15,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 04:48:15,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 04:48:15,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 04:48:16,915 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 04:48:16,916 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-15 04:48:16,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:48:16 BoogieIcfgContainer [2019-10-15 04:48:16,917 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 04:48:16,918 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-15 04:48:16,918 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-15 04:48:16,919 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-15 04:48:16,920 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:48:16" (1/1) ... [2019-10-15 04:48:16,952 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-15 04:48:17,073 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-15 04:48:17,083 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 71 root evaluator evaluations with a maximum evaluation depth of 0. Performed 71 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 132 variables. [2019-10-15 04:48:17,083 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-10-15 04:48:17,086 INFO L168 Benchmark]: Toolchain (without parser) took 1947.73 ms. Allocated memory was 138.4 MB in the beginning and 234.4 MB in the end (delta: 95.9 MB). Free memory was 101.9 MB in the beginning and 193.5 MB in the end (delta: -91.7 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-10-15 04:48:17,087 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 138.4 MB. Free memory is still 121.3 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-15 04:48:17,088 INFO L168 Benchmark]: CACSL2BoogieTranslator took 583.04 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 101.9 MB in the beginning and 169.7 MB in the end (delta: -67.8 MB). Peak memory consumption was 24.9 MB. Max. memory is 7.1 GB. [2019-10-15 04:48:17,088 INFO L168 Benchmark]: Boogie Preprocessor took 94.86 ms. Allocated memory is still 201.9 MB. Free memory was 169.7 MB in the beginning and 165.5 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2019-10-15 04:48:17,089 INFO L168 Benchmark]: RCFGBuilder took 1097.15 ms. Allocated memory was 201.9 MB in the beginning and 234.4 MB in the end (delta: 32.5 MB). Free memory was 165.5 MB in the beginning and 200.4 MB in the end (delta: -34.9 MB). Peak memory consumption was 83.5 MB. Max. memory is 7.1 GB. [2019-10-15 04:48:17,090 INFO L168 Benchmark]: Abstract Interpretation took 165.19 ms. Allocated memory is still 234.4 MB. Free memory was 198.7 MB in the beginning and 193.5 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. [2019-10-15 04:48:17,094 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 138.4 MB. Free memory is still 121.3 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 583.04 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 101.9 MB in the beginning and 169.7 MB in the end (delta: -67.8 MB). Peak memory consumption was 24.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 94.86 ms. Allocated memory is still 201.9 MB. Free memory was 169.7 MB in the beginning and 165.5 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1097.15 ms. Allocated memory was 201.9 MB in the beginning and 234.4 MB in the end (delta: 32.5 MB). Free memory was 165.5 MB in the beginning and 200.4 MB in the end (delta: -34.9 MB). Peak memory consumption was 83.5 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 165.19 ms. Allocated memory is still 234.4 MB. Free memory was 198.7 MB in the beginning and 193.5 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - PositiveResult [Line: 759]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location RESULT: Ultimate proved your program to be correct! Received shutdown request...