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 SequenceOfStatements --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product17.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-18 03:33:11,126 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-18 03:33:11,128 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-18 03:33:11,140 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-18 03:33:11,140 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-18 03:33:11,141 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-18 03:33:11,143 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-18 03:33:11,145 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-18 03:33:11,146 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-18 03:33:11,147 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-18 03:33:11,148 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-18 03:33:11,149 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-18 03:33:11,150 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-18 03:33:11,151 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-18 03:33:11,151 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-18 03:33:11,153 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-18 03:33:11,153 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-18 03:33:11,154 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-18 03:33:11,156 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-18 03:33:11,158 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-18 03:33:11,159 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-18 03:33:11,160 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-18 03:33:11,161 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-18 03:33:11,162 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-18 03:33:11,164 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-18 03:33:11,164 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-18 03:33:11,164 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-18 03:33:11,165 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-18 03:33:11,166 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-18 03:33:11,166 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-18 03:33:11,167 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-18 03:33:11,167 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-18 03:33:11,168 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-18 03:33:11,169 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-18 03:33:11,170 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-18 03:33:11,170 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-18 03:33:11,171 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-18 03:33:11,171 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-18 03:33:11,171 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-18 03:33:11,172 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-18 03:33:11,173 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-18 03:33:11,174 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 [2019-09-18 03:33:11,187 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-18 03:33:11,188 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-18 03:33:11,189 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-18 03:33:11,189 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-18 03:33:11,190 INFO L138 SettingsManager]: * Use SBE=true [2019-09-18 03:33:11,190 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-18 03:33:11,190 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-18 03:33:11,190 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-18 03:33:11,190 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-18 03:33:11,190 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-18 03:33:11,191 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-18 03:33:11,191 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-18 03:33:11,191 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-18 03:33:11,191 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-18 03:33:11,191 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-18 03:33:11,192 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-18 03:33:11,192 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-18 03:33:11,192 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-18 03:33:11,192 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-18 03:33:11,192 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-18 03:33:11,193 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-18 03:33:11,193 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 03:33:11,193 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-18 03:33:11,193 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-18 03:33:11,193 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-18 03:33:11,194 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-18 03:33:11,194 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-18 03:33:11,194 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-18 03:33:11,194 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 -> SequenceOfStatements 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_DDA [2019-09-18 03:33:11,224 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-18 03:33:11,236 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-18 03:33:11,240 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-18 03:33:11,241 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-18 03:33:11,242 INFO L275 PluginConnector]: CDTParser initialized [2019-09-18 03:33:11,242 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product17.cil.c [2019-09-18 03:33:11,313 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e53032966/20cb50a6e2474c80a419e5a2c9c57632/FLAGbf019e78a [2019-09-18 03:33:11,870 INFO L306 CDTParser]: Found 1 translation units. [2019-09-18 03:33:11,874 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product17.cil.c [2019-09-18 03:33:11,899 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e53032966/20cb50a6e2474c80a419e5a2c9c57632/FLAGbf019e78a [2019-09-18 03:33:12,139 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e53032966/20cb50a6e2474c80a419e5a2c9c57632 [2019-09-18 03:33:12,149 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-18 03:33:12,152 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-18 03:33:12,153 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-18 03:33:12,153 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-18 03:33:12,157 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-18 03:33:12,157 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 03:33:12" (1/1) ... [2019-09-18 03:33:12,160 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57212d11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:33:12, skipping insertion in model container [2019-09-18 03:33:12,161 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 03:33:12" (1/1) ... [2019-09-18 03:33:12,168 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-18 03:33:12,220 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-18 03:33:12,676 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 03:33:12,701 INFO L188 MainTranslator]: Completed pre-run [2019-09-18 03:33:12,809 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 03:33:12,850 INFO L192 MainTranslator]: Completed translation [2019-09-18 03:33:12,850 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:33:12 WrapperNode [2019-09-18 03:33:12,850 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-18 03:33:12,851 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-18 03:33:12,851 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-18 03:33:12,851 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-18 03:33:12,862 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:33:12" (1/1) ... [2019-09-18 03:33:12,862 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:33:12" (1/1) ... [2019-09-18 03:33:12,880 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:33:12" (1/1) ... [2019-09-18 03:33:12,880 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:33:12" (1/1) ... [2019-09-18 03:33:12,923 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:33:12" (1/1) ... [2019-09-18 03:33:12,941 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:33:12" (1/1) ... [2019-09-18 03:33:12,946 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:33:12" (1/1) ... [2019-09-18 03:33:12,964 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-18 03:33:12,965 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-18 03:33:12,965 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-18 03:33:12,965 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-18 03:33:12,968 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:33:12" (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 [2019-09-18 03:33:13,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-18 03:33:13,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-18 03:33:13,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-18 03:33:13,042 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-09-18 03:33:13,043 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-18 03:33:13,043 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-18 03:33:13,044 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-18 03:33:13,044 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-18 03:33:13,045 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-18 03:33:13,045 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-18 03:33:13,045 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-18 03:33:13,046 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-18 03:33:13,046 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-18 03:33:13,046 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-18 03:33:13,046 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-18 03:33:13,047 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-18 03:33:13,049 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-18 03:33:13,049 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-18 03:33:13,050 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-18 03:33:13,050 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-18 03:33:13,050 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-18 03:33:13,050 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-18 03:33:13,050 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-18 03:33:13,050 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-18 03:33:13,051 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-18 03:33:13,051 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-18 03:33:13,051 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-18 03:33:13,051 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-18 03:33:13,051 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-18 03:33:13,051 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-18 03:33:13,051 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-18 03:33:13,052 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-18 03:33:13,052 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-18 03:33:13,052 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-18 03:33:13,052 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-18 03:33:13,052 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-18 03:33:13,052 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-18 03:33:13,052 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-18 03:33:13,053 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-18 03:33:13,053 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-18 03:33:13,053 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-18 03:33:13,053 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-18 03:33:13,053 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-18 03:33:13,053 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-09-18 03:33:13,053 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-18 03:33:13,054 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-18 03:33:13,054 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-18 03:33:13,054 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-18 03:33:13,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-18 03:33:13,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-18 03:33:13,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-18 03:33:13,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-18 03:33:13,055 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-18 03:33:13,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-18 03:33:13,055 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-18 03:33:13,055 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-18 03:33:13,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-18 03:33:13,056 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-18 03:33:13,056 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-18 03:33:13,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-18 03:33:13,057 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-18 03:33:13,057 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-18 03:33:13,057 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-18 03:33:13,057 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-18 03:33:13,057 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-18 03:33:13,057 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-18 03:33:13,058 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-18 03:33:13,058 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-18 03:33:13,058 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-18 03:33:13,058 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-18 03:33:13,058 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-18 03:33:13,058 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-18 03:33:13,058 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-18 03:33:13,059 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-18 03:33:13,059 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-18 03:33:13,059 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-18 03:33:13,060 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-18 03:33:13,060 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-18 03:33:13,060 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-18 03:33:13,060 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-18 03:33:13,061 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-18 03:33:13,061 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-18 03:33:13,061 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-18 03:33:13,062 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-18 03:33:13,062 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-18 03:33:13,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-18 03:33:13,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-18 03:33:13,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-18 03:33:14,078 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-18 03:33:14,078 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-18 03:33:14,080 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 03:33:14 BoogieIcfgContainer [2019-09-18 03:33:14,080 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-18 03:33:14,080 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-18 03:33:14,080 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-18 03:33:14,081 INFO L275 PluginConnector]: Sifa initialized [2019-09-18 03:33:14,082 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 03:33:14" (1/1) ... [2019-09-18 03:33:14,083 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_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-18 03:33:14,108 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-18 03:33:14,108 INFO L169 IcfgInterpreter]: Building call graph [2019-09-18 03:33:14,118 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-18 03:33:14,126 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-18 03:33:14,127 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-18 03:33:38,735 WARN L191 SmtUtils]: Spent 14.92 s on a formula simplification that was a NOOP. DAG size: 464 [2019-09-18 03:33:40,474 WARN L191 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-18 03:33:44,297 WARN L191 SmtUtils]: Spent 3.82 s on a formula simplification. DAG size of input: 472 DAG size of output: 422 [2019-09-18 03:33:46,006 WARN L191 SmtUtils]: Spent 1.70 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-18 03:33:47,675 WARN L191 SmtUtils]: Spent 1.67 s on a formula simplification that was a NOOP. DAG size: 422 [2019-09-18 03:33:47,689 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 428 for LOIs [2019-09-18 03:33:47,755 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 428 for LOIs [2019-09-18 03:33:47,760 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 428 for LOIs [2019-09-18 03:33:59,145 WARN L191 SmtUtils]: Spent 11.22 s on a formula simplification. DAG size of input: 445 DAG size of output: 444 [2019-09-18 03:34:04,709 WARN L191 SmtUtils]: Spent 5.56 s on a formula simplification that was a NOOP. DAG size: 444 [2019-09-18 03:34:19,486 WARN L191 SmtUtils]: Spent 14.71 s on a formula simplification. DAG size of input: 457 DAG size of output: 456 [2019-09-18 03:34:26,835 WARN L191 SmtUtils]: Spent 7.35 s on a formula simplification that was a NOOP. DAG size: 456 [2019-09-18 03:34:41,602 WARN L191 SmtUtils]: Spent 14.74 s on a formula simplification. DAG size of input: 462 DAG size of output: 458 [2019-09-18 03:34:48,945 WARN L191 SmtUtils]: Spent 7.34 s on a formula simplification that was a NOOP. DAG size: 458 [2019-09-18 03:35:03,774 WARN L191 SmtUtils]: Spent 14.83 s on a formula simplification. DAG size of input: 462 DAG size of output: 458 [2019-09-18 03:35:11,122 WARN L191 SmtUtils]: Spent 7.35 s on a formula simplification that was a NOOP. DAG size: 458 [2019-09-18 03:35:38,646 WARN L191 SmtUtils]: Spent 27.49 s on a formula simplification. DAG size of input: 458 DAG size of output: 455 [2019-09-18 03:35:57,287 WARN L191 SmtUtils]: Spent 18.42 s on a formula simplification. DAG size of input: 463 DAG size of output: 457 [2019-09-18 03:35:57,588 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-18 03:36:16,095 WARN L191 SmtUtils]: Spent 18.51 s on a formula simplification. DAG size of input: 463 DAG size of output: 457 [2019-09-18 03:36:16,390 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-18 03:36:16,602 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 85 [2019-09-18 03:36:16,707 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-09-18 03:36:16,998 WARN L191 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 81 [2019-09-18 03:36:17,675 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2019-09-18 03:36:17,784 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2019-09-18 03:36:18,127 WARN L191 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 469 DAG size of output: 95 [2019-09-18 03:36:18,251 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2019-09-18 03:36:18,586 WARN L191 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 108 [2019-09-18 03:36:18,748 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2019-09-18 03:36:18,919 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2019-09-18 03:36:19,172 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2019-09-18 03:36:19,422 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2019-09-18 03:36:19,694 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2019-09-18 03:36:19,912 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 48 [2019-09-18 03:36:20,157 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 48 [2019-09-18 03:36:20,482 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2019-09-18 03:36:20,733 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2019-09-18 03:36:20,985 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2019-09-18 03:36:21,209 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2019-09-18 03:36:21,510 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2019-09-18 03:36:21,727 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 48 [2019-09-18 03:36:21,953 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 48 [2019-09-18 03:36:22,385 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2019-09-18 03:36:22,635 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2019-09-18 03:36:22,887 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2019-09-18 03:36:23,162 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2019-09-18 03:36:23,382 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 48 [2019-09-18 03:36:23,612 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 48 [2019-09-18 03:36:23,646 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 22 for LOIs [2019-09-18 03:36:24,069 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2019-09-18 03:36:24,239 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 37 [2019-09-18 03:36:24,428 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 42 [2019-09-18 03:36:24,624 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 41 [2019-09-18 03:36:24,876 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2019-09-18 03:36:24,987 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 7 for LOIs [2019-09-18 03:36:25,072 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification1_spec__1 with input of size 11 for LOIs [2019-09-18 03:36:25,076 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 24 for LOIs [2019-09-18 03:36:25,126 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-18 03:36:25,127 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-18 03:36:25,129 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 501#(and (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (or (= 0 ~waterLevel~0) (= 0 ~systemActive~0)) (<= ~methaneLevelCritical~0 2147483647) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (not (= ~pumpRunning~0 0))) [2019-09-18 03:36:25,139 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-18 03:36:25,140 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-18 03:36:25,141 INFO L168 Benchmark]: Toolchain (without parser) took 192990.17 ms. Allocated memory was 132.1 MB in the beginning and 153.6 MB in the end (delta: 21.5 MB). Free memory was 87.6 MB in the beginning and 93.5 MB in the end (delta: -5.9 MB). Peak memory consumption was 15.6 MB. Max. memory is 7.1 GB. [2019-09-18 03:36:25,142 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 132.1 MB. Free memory was 106.5 MB in the beginning and 106.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-09-18 03:36:25,143 INFO L168 Benchmark]: CACSL2BoogieTranslator took 697.73 ms. Allocated memory was 132.1 MB in the beginning and 199.8 MB in the end (delta: 67.6 MB). Free memory was 87.4 MB in the beginning and 165.5 MB in the end (delta: -78.1 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. [2019-09-18 03:36:25,144 INFO L168 Benchmark]: Boogie Preprocessor took 113.33 ms. Allocated memory is still 199.8 MB. Free memory was 165.5 MB in the beginning and 161.6 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2019-09-18 03:36:25,144 INFO L168 Benchmark]: RCFGBuilder took 1115.29 ms. Allocated memory is still 199.8 MB. Free memory was 161.6 MB in the beginning and 78.8 MB in the end (delta: 82.8 MB). Peak memory consumption was 82.8 MB. Max. memory is 7.1 GB. [2019-09-18 03:36:25,145 INFO L168 Benchmark]: Sifa took 191059.34 ms. Allocated memory was 199.8 MB in the beginning and 153.6 MB in the end (delta: -46.1 MB). Free memory was 78.8 MB in the beginning and 93.5 MB in the end (delta: -14.7 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-18 03:36:25,149 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 132.1 MB. Free memory was 106.5 MB in the beginning and 106.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 697.73 ms. Allocated memory was 132.1 MB in the beginning and 199.8 MB in the end (delta: 67.6 MB). Free memory was 87.4 MB in the beginning and 165.5 MB in the end (delta: -78.1 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 113.33 ms. Allocated memory is still 199.8 MB. Free memory was 165.5 MB in the beginning and 161.6 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1115.29 ms. Allocated memory is still 199.8 MB. Free memory was 161.6 MB in the beginning and 78.8 MB in the end (delta: 82.8 MB). Peak memory consumption was 82.8 MB. Max. memory is 7.1 GB. * Sifa took 191059.34 ms. Allocated memory was 199.8 MB in the beginning and 153.6 MB in the end (delta: -46.1 MB). Free memory was 78.8 MB in the beginning and 93.5 MB in the end (delta: -14.7 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 191021, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 244, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 180, TOOLS_POST_TIME[ms]: 30175, TOOLS_POST_CALL_APPLICATIONS: 50, TOOLS_POST_CALL_TIME[ms]: 122, TOOLS_POST_RETURN_APPLICATIONS: 41, TOOLS_POST_RETURN_TIME[ms]: 50, TOOLS_QUANTIFIERELIM_APPLICATIONS: 270, TOOLS_QUANTIFIERELIM_TIME[ms]: 30259, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 30080, FLUID_QUERY_TIME[ms]: 12, FLUID_QUERIES: 252, FLUID_YES_ANSWERS: 1, DOMAIN_JOIN_APPLICATIONS: 83, DOMAIN_JOIN_TIME[ms]: 158976, DOMAIN_ALPHA_APPLICATIONS: 1, DOMAIN_ALPHA_TIME[ms]: 7, DOMAIN_WIDEN_APPLICATIONS: 6, DOMAIN_WIDEN_TIME[ms]: 1214, DOMAIN_ISSUBSETEQ_APPLICATIONS: 8, DOMAIN_ISSUBSETEQ_TIME[ms]: 16, DOMAIN_ISBOTTOM_APPLICATIONS: 54, DOMAIN_ISBOTTOM_TIME[ms]: 303, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 155506, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 155505, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 8, CALL_SUMMARIZER_APPLICATIONS: 41, CALL_SUMMARIZER_CACHE_MISSES: 19, CALL_SUMMARIZER_OVERALL_TIME[ms]: 34059, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 34058, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 33, DAG_COMPRESSION_PROCESSED_NODES: 433, DAG_COMPRESSION_RETAINED_NODES: 212 - UnprovableResult [Line: 543]: 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 501#(and (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (or (= 0 ~waterLevel~0) (= 0 ~systemActive~0)) (<= ~methaneLevelCritical~0 2147483647) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...