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_product01.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-19 17:23:19,950 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-19 17:23:19,952 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-19 17:23:19,967 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-19 17:23:19,967 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-19 17:23:19,968 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-19 17:23:19,970 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-19 17:23:19,971 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-19 17:23:19,973 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-19 17:23:19,974 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-19 17:23:19,975 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-19 17:23:19,976 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-19 17:23:19,976 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-19 17:23:19,977 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-19 17:23:19,978 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-19 17:23:19,980 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-19 17:23:19,980 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-19 17:23:19,981 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-19 17:23:19,983 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-19 17:23:19,985 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-19 17:23:19,991 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-19 17:23:19,992 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-19 17:23:19,993 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-19 17:23:19,996 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-19 17:23:19,998 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-19 17:23:19,999 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-19 17:23:19,999 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-19 17:23:20,003 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-19 17:23:20,004 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-19 17:23:20,006 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-19 17:23:20,006 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-19 17:23:20,006 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-19 17:23:20,008 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-19 17:23:20,008 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-19 17:23:20,011 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-19 17:23:20,012 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-19 17:23:20,013 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-19 17:23:20,013 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-19 17:23:20,013 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-19 17:23:20,014 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-19 17:23:20,015 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-19 17:23:20,016 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 17:23:20,046 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-19 17:23:20,046 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-19 17:23:20,049 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-19 17:23:20,049 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-19 17:23:20,049 INFO L138 SettingsManager]: * Use SBE=true [2019-09-19 17:23:20,049 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-19 17:23:20,050 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-19 17:23:20,050 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-19 17:23:20,050 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-19 17:23:20,050 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-19 17:23:20,051 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-19 17:23:20,052 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-19 17:23:20,052 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-19 17:23:20,052 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-19 17:23:20,053 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-19 17:23:20,053 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-19 17:23:20,053 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-19 17:23:20,053 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-19 17:23:20,053 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-19 17:23:20,054 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-19 17:23:20,054 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-19 17:23:20,054 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-19 17:23:20,055 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-19 17:23:20,055 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-19 17:23:20,055 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-19 17:23:20,055 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-19 17:23:20,055 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-19 17:23:20,056 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-19 17:23:20,056 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 17:23:20,116 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-19 17:23:20,131 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-19 17:23:20,136 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-19 17:23:20,138 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-19 17:23:20,138 INFO L275 PluginConnector]: CDTParser initialized [2019-09-19 17:23:20,139 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product01.cil.c [2019-09-19 17:23:20,212 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/532691d30/0d0d1da4b6934cf696afb78b3685665b/FLAG86319e8bf [2019-09-19 17:23:20,742 INFO L306 CDTParser]: Found 1 translation units. [2019-09-19 17:23:20,746 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product01.cil.c [2019-09-19 17:23:20,778 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/532691d30/0d0d1da4b6934cf696afb78b3685665b/FLAG86319e8bf [2019-09-19 17:23:21,082 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/532691d30/0d0d1da4b6934cf696afb78b3685665b [2019-09-19 17:23:21,094 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-19 17:23:21,095 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-19 17:23:21,096 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-19 17:23:21,097 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-19 17:23:21,101 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-19 17:23:21,101 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 05:23:21" (1/1) ... [2019-09-19 17:23:21,104 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@af82b88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:23:21, skipping insertion in model container [2019-09-19 17:23:21,104 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 05:23:21" (1/1) ... [2019-09-19 17:23:21,111 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-19 17:23:21,156 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-19 17:23:21,574 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 17:23:21,590 INFO L188 MainTranslator]: Completed pre-run [2019-09-19 17:23:21,686 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 17:23:21,724 INFO L192 MainTranslator]: Completed translation [2019-09-19 17:23:21,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:23:21 WrapperNode [2019-09-19 17:23:21,726 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-19 17:23:21,727 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-19 17:23:21,727 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-19 17:23:21,727 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-19 17:23:21,741 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:23:21" (1/1) ... [2019-09-19 17:23:21,741 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:23:21" (1/1) ... [2019-09-19 17:23:21,762 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:23:21" (1/1) ... [2019-09-19 17:23:21,762 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:23:21" (1/1) ... [2019-09-19 17:23:21,789 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:23:21" (1/1) ... [2019-09-19 17:23:21,798 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:23:21" (1/1) ... [2019-09-19 17:23:21,803 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:23:21" (1/1) ... [2019-09-19 17:23:21,810 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-19 17:23:21,811 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-19 17:23:21,811 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-19 17:23:21,811 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-19 17:23:21,812 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:23:21" (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 17:23:21,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-19 17:23:21,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-19 17:23:21,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-19 17:23:21,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-19 17:23:21,866 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-19 17:23:21,867 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-19 17:23:21,867 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-19 17:23:21,867 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-19 17:23:21,867 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-19 17:23:21,868 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-19 17:23:21,868 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-19 17:23:21,869 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-19 17:23:21,869 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-19 17:23:21,869 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-19 17:23:21,869 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-19 17:23:21,869 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-19 17:23:21,872 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-19 17:23:21,872 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-19 17:23:21,872 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-19 17:23:21,872 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-19 17:23:21,872 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-19 17:23:21,875 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-19 17:23:21,876 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-19 17:23:21,876 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-19 17:23:21,876 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-19 17:23:21,877 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-19 17:23:21,877 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-19 17:23:21,877 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-19 17:23:21,877 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-19 17:23:21,878 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-19 17:23:21,878 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-19 17:23:21,878 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-19 17:23:21,878 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-19 17:23:21,878 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-19 17:23:21,878 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-19 17:23:21,879 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-19 17:23:21,879 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-19 17:23:21,879 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-19 17:23:21,879 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-19 17:23:21,879 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-19 17:23:21,879 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-19 17:23:21,879 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-19 17:23:21,880 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-19 17:23:21,880 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-19 17:23:21,880 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-19 17:23:21,882 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-19 17:23:21,883 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-19 17:23:21,883 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-19 17:23:21,883 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-19 17:23:21,883 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-19 17:23:21,883 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-19 17:23:21,883 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-19 17:23:21,884 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-19 17:23:21,884 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-19 17:23:21,884 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-19 17:23:21,884 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-19 17:23:21,884 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-19 17:23:21,885 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-19 17:23:21,885 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-19 17:23:21,885 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-19 17:23:21,885 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-19 17:23:21,886 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-19 17:23:21,886 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-19 17:23:21,886 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-19 17:23:21,886 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-19 17:23:21,886 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-19 17:23:21,886 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-19 17:23:21,886 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-19 17:23:21,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-19 17:23:21,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-19 17:23:21,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-19 17:23:21,887 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-19 17:23:21,887 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-19 17:23:21,888 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-19 17:23:21,888 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-19 17:23:21,888 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-19 17:23:21,889 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-19 17:23:21,889 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-19 17:23:21,890 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-19 17:23:21,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-19 17:23:21,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-19 17:23:21,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-19 17:23:23,437 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-19 17:23:23,437 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-19 17:23:23,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 05:23:23 BoogieIcfgContainer [2019-09-19 17:23:23,439 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-19 17:23:23,439 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-19 17:23:23,439 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-19 17:23:23,440 INFO L275 PluginConnector]: Sifa initialized [2019-09-19 17:23:23,441 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 05:23:23" (1/1) ... [2019-09-19 17:23:23,441 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 17:23:23,464 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-19 17:23:23,465 INFO L169 IcfgInterpreter]: Building call graph [2019-09-19 17:23:23,473 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-19 17:23:23,482 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-19 17:23:23,484 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-19 17:23:46,819 WARN L191 SmtUtils]: Spent 14.04 s on a formula simplification that was a NOOP. DAG size: 464 [2019-09-19 17:23:48,434 WARN L191 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-19 17:23:52,454 WARN L191 SmtUtils]: Spent 4.01 s on a formula simplification. DAG size of input: 472 DAG size of output: 422 [2019-09-19 17:23:54,286 WARN L191 SmtUtils]: Spent 1.83 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-19 17:23:56,145 WARN L191 SmtUtils]: Spent 1.86 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-19 17:23:56,158 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 7 for LOIs [2019-09-19 17:23:56,192 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 7 for LOIs [2019-09-19 17:23:56,195 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 7 for LOIs [2019-09-19 17:23:56,781 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 3 for LOIs [2019-09-19 17:23:56,822 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 3 for LOIs [2019-09-19 17:23:56,840 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 1 for LOIs [2019-09-19 17:23:56,848 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 1 for LOIs [2019-09-19 17:23:56,867 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-19 17:23:56,867 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-19 17:23:56,869 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 639#true [2019-09-19 17:23:56,880 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-19 17:23:56,880 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-19 17:23:56,882 INFO L168 Benchmark]: Toolchain (without parser) took 35786.30 ms. Allocated memory was 133.2 MB in the beginning and 415.8 MB in the end (delta: 282.6 MB). Free memory was 88.3 MB in the beginning and 117.6 MB in the end (delta: -29.3 MB). Peak memory consumption was 253.3 MB. Max. memory is 7.1 GB. [2019-09-19 17:23:56,883 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 133.2 MB. Free memory was 107.4 MB in the beginning and 107.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-19 17:23:56,884 INFO L168 Benchmark]: CACSL2BoogieTranslator took 629.87 ms. Allocated memory was 133.2 MB in the beginning and 199.2 MB in the end (delta: 66.1 MB). Free memory was 88.1 MB in the beginning and 165.8 MB in the end (delta: -77.7 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. [2019-09-19 17:23:56,885 INFO L168 Benchmark]: Boogie Preprocessor took 83.56 ms. Allocated memory is still 199.2 MB. Free memory was 165.8 MB in the beginning and 161.5 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-09-19 17:23:56,889 INFO L168 Benchmark]: RCFGBuilder took 1628.20 ms. Allocated memory was 199.2 MB in the beginning and 224.4 MB in the end (delta: 25.2 MB). Free memory was 161.5 MB in the beginning and 154.1 MB in the end (delta: 7.3 MB). Peak memory consumption was 90.7 MB. Max. memory is 7.1 GB. [2019-09-19 17:23:56,890 INFO L168 Benchmark]: Sifa took 33440.86 ms. Allocated memory was 224.4 MB in the beginning and 415.8 MB in the end (delta: 191.4 MB). Free memory was 154.1 MB in the beginning and 117.6 MB in the end (delta: 36.5 MB). Peak memory consumption was 227.9 MB. Max. memory is 7.1 GB. [2019-09-19 17:23:56,899 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 133.2 MB. Free memory was 107.4 MB in the beginning and 107.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 629.87 ms. Allocated memory was 133.2 MB in the beginning and 199.2 MB in the end (delta: 66.1 MB). Free memory was 88.1 MB in the beginning and 165.8 MB in the end (delta: -77.7 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 83.56 ms. Allocated memory is still 199.2 MB. Free memory was 165.8 MB in the beginning and 161.5 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1628.20 ms. Allocated memory was 199.2 MB in the beginning and 224.4 MB in the end (delta: 25.2 MB). Free memory was 161.5 MB in the beginning and 154.1 MB in the end (delta: 7.3 MB). Peak memory consumption was 90.7 MB. Max. memory is 7.1 GB. * Sifa took 33440.86 ms. Allocated memory was 224.4 MB in the beginning and 415.8 MB in the end (delta: 191.4 MB). Free memory was 154.1 MB in the beginning and 117.6 MB in the end (delta: 36.5 MB). Peak memory consumption was 227.9 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]: 33405, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 215, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 146, TOOLS_POST_TIME[ms]: 28947, TOOLS_POST_CALL_APPLICATIONS: 55, TOOLS_POST_CALL_TIME[ms]: 45, TOOLS_POST_RETURN_APPLICATIONS: 46, TOOLS_POST_RETURN_TIME[ms]: 19, TOOLS_QUANTIFIERELIM_APPLICATIONS: 247, TOOLS_QUANTIFIERELIM_TIME[ms]: 28961, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 28901, FLUID_QUERY_TIME[ms]: 0, FLUID_QUERIES: 225, FLUID_YES_ANSWERS: 225, DOMAIN_JOIN_APPLICATIONS: 63, DOMAIN_JOIN_TIME[ms]: 3965, DOMAIN_ALPHA_APPLICATIONS: 225, DOMAIN_ALPHA_TIME[ms]: 278, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 1, DOMAIN_ISSUBSETEQ_APPLICATIONS: 10, DOMAIN_ISSUBSETEQ_TIME[ms]: 8, DOMAIN_ISBOTTOM_APPLICATIONS: 26, DOMAIN_ISBOTTOM_TIME[ms]: 26, LOOP_SUMMARIZER_APPLICATIONS: 9, LOOP_SUMMARIZER_CACHE_MISSES: 9, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 463, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 462, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 10, CALL_SUMMARIZER_APPLICATIONS: 46, CALL_SUMMARIZER_CACHE_MISSES: 14, CALL_SUMMARIZER_OVERALL_TIME[ms]: 32784, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 32784, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 27, DAG_COMPRESSION_PROCESSED_NODES: 570, DAG_COMPRESSION_RETAINED_NODES: 198 - 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 639#true. Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...