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 SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product22.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-17 06:04:26,919 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 06:04:26,921 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 06:04:26,934 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 06:04:26,934 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 06:04:26,936 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 06:04:26,938 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 06:04:26,941 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 06:04:26,944 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 06:04:26,947 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 06:04:26,949 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 06:04:26,958 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 06:04:26,958 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 06:04:26,960 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 06:04:26,962 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 06:04:26,963 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 06:04:26,965 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 06:04:26,966 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 06:04:26,968 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 06:04:26,973 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 06:04:26,975 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 06:04:26,978 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 06:04:26,979 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 06:04:26,981 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 06:04:26,984 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-17 06:04:26,985 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-17 06:04:26,986 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-17 06:04:26,988 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-17 06:04:26,990 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-17 06:04:26,991 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-17 06:04:26,992 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-17 06:04:26,993 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-17 06:04:26,994 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-17 06:04:26,995 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-17 06:04:26,997 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-17 06:04:26,997 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-17 06:04:26,998 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-17 06:04:26,998 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-17 06:04:26,998 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 06:04:26,999 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 06:04:27,002 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 06:04:27,003 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 [2019-09-17 06:04:27,037 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 06:04:27,037 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 06:04:27,039 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 06:04:27,039 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 06:04:27,039 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 06:04:27,040 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 06:04:27,040 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 06:04:27,040 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 06:04:27,040 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 06:04:27,040 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 06:04:27,041 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 06:04:27,042 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 06:04:27,042 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 06:04:27,042 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 06:04:27,042 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 06:04:27,043 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 06:04:27,043 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 06:04:27,043 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 06:04:27,043 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 06:04:27,043 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 06:04:27,043 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 06:04:27,044 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 06:04:27,044 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 06:04:27,044 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 06:04:27,044 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 06:04:27,045 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 06:04:27,045 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 06:04:27,045 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 06:04:27,045 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 -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-09-17 06:04:27,094 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 06:04:27,111 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 06:04:27,117 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 06:04:27,119 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 06:04:27,119 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 06:04:27,120 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product22.cil.c [2019-09-17 06:04:27,196 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2181c96d1/dfdf1903d5b94cda9ff93e6ecd86ae3d/FLAG9dffb2e2d [2019-09-17 06:04:27,730 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 06:04:27,731 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product22.cil.c [2019-09-17 06:04:27,746 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2181c96d1/dfdf1903d5b94cda9ff93e6ecd86ae3d/FLAG9dffb2e2d [2019-09-17 06:04:28,034 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2181c96d1/dfdf1903d5b94cda9ff93e6ecd86ae3d [2019-09-17 06:04:28,043 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 06:04:28,045 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 06:04:28,046 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 06:04:28,046 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 06:04:28,050 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 06:04:28,051 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 06:04:28" (1/1) ... [2019-09-17 06:04:28,054 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24847820 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:04:28, skipping insertion in model container [2019-09-17 06:04:28,055 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 06:04:28" (1/1) ... [2019-09-17 06:04:28,062 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 06:04:28,125 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 06:04:28,574 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 06:04:28,595 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 06:04:28,741 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 06:04:28,788 INFO L192 MainTranslator]: Completed translation [2019-09-17 06:04:28,788 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:04:28 WrapperNode [2019-09-17 06:04:28,789 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 06:04:28,790 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 06:04:28,790 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 06:04:28,790 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 06:04:28,802 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:04:28" (1/1) ... [2019-09-17 06:04:28,802 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:04:28" (1/1) ... [2019-09-17 06:04:28,821 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:04:28" (1/1) ... [2019-09-17 06:04:28,822 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:04:28" (1/1) ... [2019-09-17 06:04:28,861 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:04:28" (1/1) ... [2019-09-17 06:04:28,871 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:04:28" (1/1) ... [2019-09-17 06:04:28,877 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:04:28" (1/1) ... [2019-09-17 06:04:28,884 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 06:04:28,885 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 06:04:28,885 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 06:04:28,885 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 06:04:28,886 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 06:04:28" (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 [2019-09-17 06:04:28,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 06:04:28,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 06:04:28,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-17 06:04:28,942 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-17 06:04:28,942 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-17 06:04:28,943 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-17 06:04:28,943 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-17 06:04:28,943 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-17 06:04:28,943 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-17 06:04:28,943 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-17 06:04:28,943 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-17 06:04:28,944 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-17 06:04:28,944 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-17 06:04:28,944 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 06:04:28,944 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-17 06:04:28,944 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-17 06:04:28,944 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-17 06:04:28,945 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-17 06:04:28,945 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-17 06:04:28,945 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-17 06:04:28,945 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-17 06:04:28,945 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-17 06:04:28,945 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-17 06:04:28,946 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-17 06:04:28,946 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-17 06:04:28,946 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-17 06:04:28,946 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-17 06:04:28,946 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-09-17 06:04:28,946 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-09-17 06:04:28,946 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-17 06:04:28,947 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-17 06:04:28,947 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-17 06:04:28,947 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-17 06:04:28,947 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-17 06:04:28,947 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-17 06:04:28,947 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-17 06:04:28,948 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-17 06:04:28,948 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-17 06:04:28,948 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-17 06:04:28,948 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-17 06:04:28,948 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 06:04:28,949 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-17 06:04:28,949 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-17 06:04:28,949 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-17 06:04:28,949 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-17 06:04:28,949 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-17 06:04:28,949 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-17 06:04:28,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-17 06:04:28,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-17 06:04:28,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-17 06:04:28,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-17 06:04:28,950 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-17 06:04:28,950 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-17 06:04:28,950 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-17 06:04:28,951 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-17 06:04:28,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-17 06:04:28,951 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-17 06:04:28,951 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-17 06:04:28,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-17 06:04:28,951 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-17 06:04:28,952 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-17 06:04:28,952 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-17 06:04:28,952 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-17 06:04:28,952 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-17 06:04:28,952 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-17 06:04:28,952 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-17 06:04:28,953 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-17 06:04:28,953 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-09-17 06:04:28,953 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-17 06:04:28,953 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-17 06:04:28,953 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-17 06:04:28,953 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-17 06:04:28,953 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-17 06:04:28,954 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 06:04:28,954 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-17 06:04:28,954 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-17 06:04:28,954 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-17 06:04:28,954 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-17 06:04:28,954 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-17 06:04:28,955 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-17 06:04:28,955 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-17 06:04:28,955 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-17 06:04:28,955 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-09-17 06:04:28,955 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-17 06:04:28,955 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-17 06:04:28,956 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-17 06:04:28,956 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-17 06:04:28,956 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-17 06:04:28,956 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-17 06:04:28,956 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-17 06:04:28,957 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-17 06:04:28,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 06:04:28,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-17 06:04:28,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 06:04:30,481 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 06:04:30,481 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-17 06:04:30,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 06:04:30 BoogieIcfgContainer [2019-09-17 06:04:30,483 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 06:04:30,484 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 06:04:30,484 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 06:04:30,485 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 06:04:30,486 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 06:04:30" (1/1) ... [2019-09-17 06:04:30,487 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-17 06:04:30,515 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-17 06:04:30,515 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 06:04:30,524 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 06:04:30,533 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 06:04:30,534 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 06:04:40,230 WARN L191 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-09-17 06:04:41,962 WARN L191 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-17 06:04:42,089 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-17 06:04:42,260 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-17 06:04:42,376 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-09-17 06:04:42,393 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 484 for LOIs [2019-09-17 06:04:42,451 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 484 for LOIs [2019-09-17 06:04:42,468 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 484 for LOIs [2019-09-17 06:04:42,966 WARN L191 SmtUtils]: Spent 440.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-17 06:04:43,332 WARN L191 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2019-09-17 06:04:43,838 WARN L191 SmtUtils]: Spent 459.00 ms on a formula simplification that was a NOOP. DAG size: 515 [2019-09-17 06:04:44,216 WARN L191 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 515 [2019-09-17 06:04:44,952 WARN L191 SmtUtils]: Spent 677.00 ms on a formula simplification that was a NOOP. DAG size: 538 [2019-09-17 06:04:45,537 WARN L191 SmtUtils]: Spent 583.00 ms on a formula simplification that was a NOOP. DAG size: 538 [2019-09-17 06:04:46,333 WARN L191 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 548 DAG size of output: 538 [2019-09-17 06:04:46,677 WARN L191 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 538 [2019-09-17 06:04:47,085 WARN L191 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 543 [2019-09-17 06:04:47,468 WARN L191 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 543 [2019-09-17 06:04:48,002 WARN L191 SmtUtils]: Spent 458.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2019-09-17 06:04:48,464 WARN L191 SmtUtils]: Spent 461.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2019-09-17 06:04:49,306 WARN L191 SmtUtils]: Spent 765.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-09-17 06:04:50,029 WARN L191 SmtUtils]: Spent 720.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-09-17 06:04:51,866 WARN L191 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 610 DAG size of output: 600 [2019-09-17 06:04:53,247 WARN L191 SmtUtils]: Spent 1.38 s on a formula simplification that was a NOOP. DAG size: 600 [2019-09-17 06:04:54,155 WARN L191 SmtUtils]: Spent 766.00 ms on a formula simplification. DAG size of input: 574 DAG size of output: 561 [2019-09-17 06:04:54,782 WARN L191 SmtUtils]: Spent 626.00 ms on a formula simplification that was a NOOP. DAG size: 561 [2019-09-17 06:04:55,740 WARN L191 SmtUtils]: Spent 931.00 ms on a formula simplification that was a NOOP. DAG size: 580 [2019-09-17 06:04:55,821 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 10 for LOIs [2019-09-17 06:04:55,860 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 10 for LOIs [2019-09-17 06:04:55,874 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification2_spec__2 with input of size 24 for LOIs [2019-09-17 06:04:55,880 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 35 for LOIs [2019-09-17 06:04:55,886 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-17 06:04:55,887 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-17 06:04:55,889 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 385#(and (not (= 0 ~methAndRunningLastTime~0)) (<= ~pumpRunning~0 2147483647) (or (and (= 0 ~waterLevel~0) (not (= 0 ~systemActive~0))) (and (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0)) (= 0 ~systemActive~0))) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (not (= ~pumpRunning~0 0))) [2019-09-17 06:04:55,908 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-17 06:04:55,909 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-17 06:04:55,923 INFO L168 Benchmark]: Toolchain (without parser) took 27878.25 ms. Allocated memory was 137.9 MB in the beginning and 944.8 MB in the end (delta: 806.9 MB). Free memory was 84.9 MB in the beginning and 69.5 MB in the end (delta: 15.4 MB). Peak memory consumption was 822.3 MB. Max. memory is 7.1 GB. [2019-09-17 06:04:55,925 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 137.9 MB. Free memory was 104.1 MB in the beginning and 103.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-17 06:04:55,926 INFO L168 Benchmark]: CACSL2BoogieTranslator took 743.68 ms. Allocated memory was 137.9 MB in the beginning and 197.7 MB in the end (delta: 59.8 MB). Free memory was 84.7 MB in the beginning and 161.0 MB in the end (delta: -76.3 MB). Peak memory consumption was 21.9 MB. Max. memory is 7.1 GB. [2019-09-17 06:04:55,928 INFO L168 Benchmark]: Boogie Preprocessor took 94.54 ms. Allocated memory is still 197.7 MB. Free memory was 161.0 MB in the beginning and 157.1 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2019-09-17 06:04:55,930 INFO L168 Benchmark]: RCFGBuilder took 1598.87 ms. Allocated memory was 197.7 MB in the beginning and 218.1 MB in the end (delta: 20.4 MB). Free memory was 157.1 MB in the beginning and 139.7 MB in the end (delta: 17.4 MB). Peak memory consumption was 92.7 MB. Max. memory is 7.1 GB. [2019-09-17 06:04:55,933 INFO L168 Benchmark]: Sifa took 25435.91 ms. Allocated memory was 218.1 MB in the beginning and 944.8 MB in the end (delta: 726.7 MB). Free memory was 139.7 MB in the beginning and 69.5 MB in the end (delta: 70.3 MB). Peak memory consumption was 796.9 MB. Max. memory is 7.1 GB. [2019-09-17 06:04:55,942 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 137.9 MB. Free memory was 104.1 MB in the beginning and 103.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 743.68 ms. Allocated memory was 137.9 MB in the beginning and 197.7 MB in the end (delta: 59.8 MB). Free memory was 84.7 MB in the beginning and 161.0 MB in the end (delta: -76.3 MB). Peak memory consumption was 21.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 94.54 ms. Allocated memory is still 197.7 MB. Free memory was 161.0 MB in the beginning and 157.1 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1598.87 ms. Allocated memory was 197.7 MB in the beginning and 218.1 MB in the end (delta: 20.4 MB). Free memory was 157.1 MB in the beginning and 139.7 MB in the end (delta: 17.4 MB). Peak memory consumption was 92.7 MB. Max. memory is 7.1 GB. * Sifa took 25435.91 ms. Allocated memory was 218.1 MB in the beginning and 944.8 MB in the end (delta: 726.7 MB). Free memory was 139.7 MB in the beginning and 69.5 MB in the end (delta: 70.3 MB). Peak memory consumption was 796.9 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]: 25374, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 202, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 131, TOOLS_POST_TIME[ms]: 11654, TOOLS_POST_CALL_APPLICATIONS: 61, TOOLS_POST_CALL_TIME[ms]: 353, TOOLS_POST_RETURN_APPLICATIONS: 52, TOOLS_POST_RETURN_TIME[ms]: 205, TOOLS_QUANTIFIERELIM_APPLICATIONS: 244, TOOLS_QUANTIFIERELIM_TIME[ms]: 12088, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 11496, FLUID_QUERY_TIME[ms]: 12, FLUID_QUERIES: 208, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 61, DOMAIN_JOIN_TIME[ms]: 11132, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 1722, DOMAIN_ISSUBSETEQ_APPLICATIONS: 6, DOMAIN_ISSUBSETEQ_TIME[ms]: 43, DOMAIN_ISBOTTOM_APPLICATIONS: 30, DOMAIN_ISBOTTOM_TIME[ms]: 123, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 13324, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 13324, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 6, CALL_SUMMARIZER_APPLICATIONS: 52, CALL_SUMMARIZER_CACHE_MISSES: 24, CALL_SUMMARIZER_OVERALL_TIME[ms]: 11956, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 11955, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 8, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 30, DAG_COMPRESSION_PROCESSED_NODES: 334, DAG_COMPRESSION_RETAINED_NODES: 191 - UnprovableResult [Line: 778]: 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 385#(and (not (= 0 ~methAndRunningLastTime~0)) (<= ~pumpRunning~0 2147483647) (or (and (= 0 ~waterLevel~0) (not (= 0 ~systemActive~0))) (and (or (< 0 (+ ~waterLevel~0 1)) (<= ~waterLevel~0 0)) (= 0 ~systemActive~0))) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...