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 SingleStatement --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product24.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-18 13:02:24,145 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-18 13:02:24,147 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-18 13:02:24,158 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-18 13:02:24,159 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-18 13:02:24,160 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-18 13:02:24,161 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-18 13:02:24,163 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-18 13:02:24,164 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-18 13:02:24,165 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-18 13:02:24,166 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-18 13:02:24,167 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-18 13:02:24,168 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-18 13:02:24,168 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-18 13:02:24,169 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-18 13:02:24,170 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-18 13:02:24,171 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-18 13:02:24,172 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-18 13:02:24,173 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-18 13:02:24,175 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-18 13:02:24,176 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-18 13:02:24,177 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-18 13:02:24,178 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-18 13:02:24,179 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-18 13:02:24,181 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-18 13:02:24,181 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-18 13:02:24,182 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-18 13:02:24,182 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-18 13:02:24,183 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-18 13:02:24,184 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-18 13:02:24,184 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-18 13:02:24,185 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-18 13:02:24,185 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-18 13:02:24,186 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-18 13:02:24,187 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-18 13:02:24,187 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-18 13:02:24,188 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-18 13:02:24,188 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-18 13:02:24,188 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-18 13:02:24,189 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-18 13:02:24,190 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-18 13:02:24,191 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 13:02:24,204 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-18 13:02:24,205 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-18 13:02:24,206 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-18 13:02:24,206 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-18 13:02:24,206 INFO L138 SettingsManager]: * Use SBE=true [2019-09-18 13:02:24,206 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-18 13:02:24,206 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-18 13:02:24,207 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-18 13:02:24,207 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-18 13:02:24,207 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-18 13:02:24,207 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-18 13:02:24,207 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-18 13:02:24,208 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-18 13:02:24,208 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-18 13:02:24,208 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-18 13:02:24,208 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-18 13:02:24,208 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-18 13:02:24,209 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-18 13:02:24,209 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-18 13:02:24,209 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-18 13:02:24,209 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-18 13:02:24,209 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 13:02:24,210 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-18 13:02:24,210 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-18 13:02:24,210 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-18 13:02:24,210 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-18 13:02:24,210 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-18 13:02:24,211 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-18 13:02:24,211 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 -> SingleStatement 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 13:02:24,241 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-18 13:02:24,253 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-18 13:02:24,257 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-18 13:02:24,258 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-18 13:02:24,258 INFO L275 PluginConnector]: CDTParser initialized [2019-09-18 13:02:24,259 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product24.cil.c [2019-09-18 13:02:24,317 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22eee1470/522cbb1187034bd4a3fc36ad2786393e/FLAGcc5b38be6 [2019-09-18 13:02:24,839 INFO L306 CDTParser]: Found 1 translation units. [2019-09-18 13:02:24,840 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product24.cil.c [2019-09-18 13:02:24,854 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22eee1470/522cbb1187034bd4a3fc36ad2786393e/FLAGcc5b38be6 [2019-09-18 13:02:25,173 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22eee1470/522cbb1187034bd4a3fc36ad2786393e [2019-09-18 13:02:25,183 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-18 13:02:25,184 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-18 13:02:25,186 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-18 13:02:25,186 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-18 13:02:25,190 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-18 13:02:25,191 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 01:02:25" (1/1) ... [2019-09-18 13:02:25,193 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@510d583 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 01:02:25, skipping insertion in model container [2019-09-18 13:02:25,194 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 01:02:25" (1/1) ... [2019-09-18 13:02:25,201 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-18 13:02:25,260 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-18 13:02:25,741 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 13:02:25,755 INFO L188 MainTranslator]: Completed pre-run [2019-09-18 13:02:25,887 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 13:02:25,926 INFO L192 MainTranslator]: Completed translation [2019-09-18 13:02:25,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 01:02:25 WrapperNode [2019-09-18 13:02:25,926 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-18 13:02:25,927 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-18 13:02:25,927 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-18 13:02:25,927 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-18 13:02:25,938 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 01:02:25" (1/1) ... [2019-09-18 13:02:25,938 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 01:02:25" (1/1) ... [2019-09-18 13:02:25,966 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 01:02:25" (1/1) ... [2019-09-18 13:02:25,967 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 01:02:25" (1/1) ... [2019-09-18 13:02:25,994 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 01:02:25" (1/1) ... [2019-09-18 13:02:26,004 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 01:02:25" (1/1) ... [2019-09-18 13:02:26,009 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 01:02:25" (1/1) ... [2019-09-18 13:02:26,017 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-18 13:02:26,018 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-18 13:02:26,018 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-18 13:02:26,018 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-18 13:02:26,019 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 01:02:25" (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 13:02:26,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-18 13:02:26,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-18 13:02:26,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-18 13:02:26,086 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-18 13:02:26,086 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-18 13:02:26,087 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-18 13:02:26,087 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-18 13:02:26,087 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-18 13:02:26,087 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-18 13:02:26,087 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-18 13:02:26,087 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-18 13:02:26,088 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-18 13:02:26,088 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-18 13:02:26,088 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-18 13:02:26,088 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-18 13:02:26,088 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-18 13:02:26,088 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-18 13:02:26,089 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-18 13:02:26,089 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-18 13:02:26,089 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-18 13:02:26,089 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-18 13:02:26,089 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-18 13:02:26,089 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-18 13:02:26,090 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-18 13:02:26,090 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-18 13:02:26,090 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-18 13:02:26,090 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-18 13:02:26,090 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-18 13:02:26,090 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-18 13:02:26,091 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-18 13:02:26,091 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-18 13:02:26,091 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-09-18 13:02:26,091 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-09-18 13:02:26,091 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-18 13:02:26,091 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-18 13:02:26,092 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-18 13:02:26,092 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-18 13:02:26,092 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-18 13:02:26,092 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-18 13:02:26,092 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-18 13:02:26,092 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-18 13:02:26,093 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-18 13:02:26,093 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-18 13:02:26,093 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-18 13:02:26,093 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-18 13:02:26,093 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-18 13:02:26,093 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-18 13:02:26,093 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-18 13:02:26,094 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-18 13:02:26,094 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-18 13:02:26,094 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-18 13:02:26,094 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-18 13:02:26,094 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-18 13:02:26,094 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-18 13:02:26,095 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-18 13:02:26,095 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-09-18 13:02:26,095 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-18 13:02:26,095 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-18 13:02:26,095 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-18 13:02:26,095 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-18 13:02:26,096 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-18 13:02:26,096 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-18 13:02:26,096 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-18 13:02:26,096 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-18 13:02:26,096 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-18 13:02:26,096 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-18 13:02:26,096 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-18 13:02:26,097 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-18 13:02:26,097 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-18 13:02:26,097 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-18 13:02:26,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-18 13:02:26,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-18 13:02:26,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-18 13:02:26,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-18 13:02:26,098 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-18 13:02:26,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-18 13:02:26,098 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-18 13:02:26,098 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-18 13:02:26,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-18 13:02:26,099 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-18 13:02:26,099 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-18 13:02:26,099 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-18 13:02:26,099 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-18 13:02:26,099 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-18 13:02:26,099 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-18 13:02:26,099 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-18 13:02:26,100 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-18 13:02:26,100 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-18 13:02:26,100 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-09-18 13:02:26,100 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-18 13:02:26,100 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-18 13:02:26,100 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-18 13:02:26,101 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-18 13:02:26,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-18 13:02:26,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-18 13:02:26,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-18 13:02:27,482 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-18 13:02:27,482 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-18 13:02:27,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 01:02:27 BoogieIcfgContainer [2019-09-18 13:02:27,484 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-18 13:02:27,485 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-18 13:02:27,485 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-18 13:02:27,485 INFO L275 PluginConnector]: Sifa initialized [2019-09-18 13:02:27,486 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 01:02:27" (1/1) ... [2019-09-18 13:02:27,487 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_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-18 13:02:27,509 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-18 13:02:27,510 INFO L169 IcfgInterpreter]: Building call graph [2019-09-18 13:02:27,520 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-18 13:02:27,528 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-18 13:02:27,530 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-18 13:02:28,142 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2019-09-18 13:02:28,316 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 56 [2019-09-18 13:02:28,647 WARN L191 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-18 13:02:28,938 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 78 [2019-09-18 13:02:29,400 WARN L191 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 120 [2019-09-18 13:02:29,816 WARN L191 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 117 [2019-09-18 13:02:30,401 WARN L191 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 139 [2019-09-18 13:02:30,971 WARN L191 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 136 [2019-09-18 13:02:31,613 WARN L191 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 161 [2019-09-18 13:02:32,333 WARN L191 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 160 [2019-09-18 13:02:33,350 WARN L191 SmtUtils]: Spent 887.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 180 [2019-09-18 13:02:34,098 WARN L191 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 175 [2019-09-18 13:02:35,397 WARN L191 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 218 DAG size of output: 200 [2019-09-18 13:02:36,309 WARN L191 SmtUtils]: Spent 780.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 195 [2019-09-18 13:02:37,436 WARN L191 SmtUtils]: Spent 959.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 209 [2019-09-18 13:02:38,447 WARN L191 SmtUtils]: Spent 879.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 204 [2019-09-18 13:02:38,795 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2019-09-18 13:02:40,344 WARN L191 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 296 DAG size of output: 218 [2019-09-18 13:02:41,423 WARN L191 SmtUtils]: Spent 947.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 213 [2019-09-18 13:02:41,884 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-09-18 13:02:43,883 WARN L191 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 352 DAG size of output: 226 [2019-09-18 13:02:45,109 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 269 DAG size of output: 223 [2019-09-18 13:02:45,533 WARN L191 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2019-09-18 13:02:47,187 WARN L191 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 395 DAG size of output: 236 [2019-09-18 13:02:48,559 WARN L191 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 280 DAG size of output: 233 [2019-09-18 13:02:49,437 WARN L191 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 247 [2019-09-18 13:02:52,312 WARN L191 SmtUtils]: Spent 2.86 s on a formula simplification. DAG size of input: 430 DAG size of output: 246 [2019-09-18 13:02:53,776 WARN L191 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 287 DAG size of output: 243 [2019-09-18 13:02:54,803 WARN L191 SmtUtils]: Spent 528.00 ms on a formula simplification that was a NOOP. DAG size: 297 [2019-09-18 13:02:58,416 WARN L191 SmtUtils]: Spent 3.60 s on a formula simplification. DAG size of input: 522 DAG size of output: 256 [2019-09-18 13:02:58,710 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-09-18 13:03:00,133 WARN L191 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 310 DAG size of output: 255 [2019-09-18 13:03:01,466 WARN L191 SmtUtils]: Spent 689.00 ms on a formula simplification that was a NOOP. DAG size: 347 [2019-09-18 13:03:05,515 WARN L191 SmtUtils]: Spent 4.04 s on a formula simplification. DAG size of input: 554 DAG size of output: 268 [2019-09-18 13:03:05,788 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2019-09-18 13:03:07,366 WARN L191 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 326 DAG size of output: 267 [2019-09-18 13:03:08,505 WARN L191 SmtUtils]: Spent 870.00 ms on a formula simplification that was a NOOP. DAG size: 401 [2019-09-18 13:03:11,648 WARN L191 SmtUtils]: Spent 3.13 s on a formula simplification. DAG size of input: 545 DAG size of output: 281 [2019-09-18 13:03:13,625 WARN L191 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 336 DAG size of output: 276 [2019-09-18 13:03:15,746 WARN L191 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 467 [2019-09-18 13:03:21,656 WARN L191 SmtUtils]: Spent 5.89 s on a formula simplification. DAG size of input: 667 DAG size of output: 289 [2019-09-18 13:03:22,051 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-09-18 13:03:23,951 WARN L191 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 355 DAG size of output: 290 [2019-09-18 13:03:26,479 WARN L191 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 525 [2019-09-18 13:03:33,378 WARN L191 SmtUtils]: Spent 6.88 s on a formula simplification. DAG size of input: 707 DAG size of output: 303 [2019-09-18 13:03:33,779 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2019-09-18 13:03:36,013 WARN L191 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 375 DAG size of output: 304 [2019-09-18 13:03:39,194 WARN L191 SmtUtils]: Spent 1.67 s on a formula simplification that was a NOOP. DAG size: 587 [2019-09-18 13:03:47,835 WARN L191 SmtUtils]: Spent 8.62 s on a formula simplification. DAG size of input: 786 DAG size of output: 317 [2019-09-18 13:03:48,243 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2019-09-18 13:03:50,523 WARN L191 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 385 DAG size of output: 314 [2019-09-18 13:03:54,084 WARN L191 SmtUtils]: Spent 2.03 s on a formula simplification that was a NOOP. DAG size: 661 [2019-09-18 13:04:04,609 WARN L191 SmtUtils]: Spent 10.51 s on a formula simplification. DAG size of input: 829 DAG size of output: 335 [2019-09-18 13:04:05,000 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-09-18 13:04:07,536 WARN L191 SmtUtils]: Spent 2.53 s on a formula simplification. DAG size of input: 407 DAG size of output: 332 [2019-09-18 13:04:11,823 WARN L191 SmtUtils]: Spent 2.49 s on a formula simplification that was a NOOP. DAG size: 739 [2019-09-18 13:04:24,452 WARN L191 SmtUtils]: Spent 12.60 s on a formula simplification. DAG size of input: 912 DAG size of output: 345 [2019-09-18 13:04:24,912 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2019-09-18 13:04:27,663 WARN L191 SmtUtils]: Spent 2.74 s on a formula simplification. DAG size of input: 404 DAG size of output: 342 [2019-09-18 13:04:32,821 WARN L191 SmtUtils]: Spent 2.89 s on a formula simplification that was a NOOP. DAG size: 797 [2019-09-18 13:04:47,902 WARN L191 SmtUtils]: Spent 15.05 s on a formula simplification. DAG size of input: 959 DAG size of output: 378 [2019-09-18 13:04:48,360 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-18 13:04:51,452 WARN L191 SmtUtils]: Spent 3.08 s on a formula simplification. DAG size of input: 449 DAG size of output: 373 [2019-09-18 13:04:57,644 WARN L191 SmtUtils]: Spent 3.29 s on a formula simplification that was a NOOP. DAG size: 855 [2019-09-18 13:05:14,627 WARN L191 SmtUtils]: Spent 16.95 s on a formula simplification. DAG size of input: 1053 DAG size of output: 405 [2019-09-18 13:05:15,267 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-09-18 13:05:18,956 WARN L191 SmtUtils]: Spent 3.68 s on a formula simplification. DAG size of input: 480 DAG size of output: 406 [2019-09-18 13:05:25,925 WARN L191 SmtUtils]: Spent 3.68 s on a formula simplification that was a NOOP. DAG size: 913 [2019-09-18 13:05:44,669 WARN L191 SmtUtils]: Spent 18.71 s on a formula simplification. DAG size of input: 1163 DAG size of output: 423 [2019-09-18 13:05:45,258 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-09-18 13:05:49,263 WARN L191 SmtUtils]: Spent 4.00 s on a formula simplification. DAG size of input: 502 DAG size of output: 420 [2019-09-18 13:05:52,784 WARN L191 SmtUtils]: Spent 3.51 s on a formula simplification. DAG size of input: 426 DAG size of output: 424 [2019-09-18 13:05:54,555 WARN L191 SmtUtils]: Spent 1.77 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-18 13:05:54,566 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 434 for LOIs [2019-09-18 13:05:54,637 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 434 for LOIs [2019-09-18 13:05:54,653 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 434 for LOIs [2019-09-18 13:06:06,179 WARN L191 SmtUtils]: Spent 11.32 s on a formula simplification. DAG size of input: 447 DAG size of output: 446 [2019-09-18 13:06:11,747 WARN L191 SmtUtils]: Spent 5.57 s on a formula simplification that was a NOOP. DAG size: 446 [2019-09-18 13:06:23,029 WARN L191 SmtUtils]: Spent 11.28 s on a formula simplification. DAG size of input: 447 DAG size of output: 446 [2019-09-18 13:06:28,677 WARN L191 SmtUtils]: Spent 5.65 s on a formula simplification that was a NOOP. DAG size: 446 [2019-09-18 13:06:47,666 WARN L191 SmtUtils]: Spent 18.82 s on a formula simplification. DAG size of input: 465 DAG size of output: 465 [2019-09-18 13:06:56,971 WARN L191 SmtUtils]: Spent 9.30 s on a formula simplification that was a NOOP. DAG size: 465 [2019-09-18 13:07:15,486 WARN L191 SmtUtils]: Spent 18.45 s on a formula simplification. DAG size of input: 470 DAG size of output: 467 [2019-09-18 13:07:24,760 WARN L191 SmtUtils]: Spent 9.27 s on a formula simplification that was a NOOP. DAG size: 467 [2019-09-18 13:07:43,138 WARN L191 SmtUtils]: Spent 18.38 s on a formula simplification. DAG size of input: 470 DAG size of output: 467 [2019-09-18 13:07:52,321 WARN L191 SmtUtils]: Spent 9.18 s on a formula simplification that was a NOOP. DAG size: 467 [2019-09-18 13:08:09,296 WARN L191 SmtUtils]: Spent 16.91 s on a formula simplification that was a NOOP. DAG size: 487 [2019-09-18 13:08:25,673 WARN L191 SmtUtils]: Spent 16.38 s on a formula simplification that was a NOOP. DAG size: 487 [2019-09-18 13:09:12,786 WARN L191 SmtUtils]: Spent 47.11 s on a formula simplification. DAG size of input: 498 DAG size of output: 498 [2019-09-18 13:09:14,085 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 29 [2019-09-18 13:09:14,523 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 46 [2019-09-18 13:09:14,981 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 35 [2019-09-18 13:09:15,370 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 33 [2019-09-18 13:09:15,641 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 37 [2019-09-18 13:09:15,765 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 10 for LOIs [2019-09-18 13:09:15,911 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 10 for LOIs [2019-09-18 13:09:16,053 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification2_spec__2 with input of size 15 for LOIs [2019-09-18 13:09:16,057 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 27 for LOIs [2019-09-18 13:09:16,112 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-18 13:09:16,112 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-18 13:09:16,116 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 710#(and (not (= 0 ~methAndRunningLastTime~0)) (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (or (= 0 ~waterLevel~0) (= 0 ~systemActive~0)) (not (= ~pumpRunning~0 0))) [2019-09-18 13:09:16,128 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-18 13:09:16,128 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-18 13:09:16,130 INFO L168 Benchmark]: Toolchain (without parser) took 410945.62 ms. Allocated memory was 132.6 MB in the beginning and 147.3 MB in the end (delta: 14.7 MB). Free memory was 86.9 MB in the beginning and 58.7 MB in the end (delta: 28.1 MB). Peak memory consumption was 42.8 MB. Max. memory is 7.1 GB. [2019-09-18 13:09:16,130 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 132.6 MB. Free memory is still 106.6 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-18 13:09:16,137 INFO L168 Benchmark]: CACSL2BoogieTranslator took 740.72 ms. Allocated memory was 132.6 MB in the beginning and 199.8 MB in the end (delta: 67.1 MB). Free memory was 86.9 MB in the beginning and 164.3 MB in the end (delta: -77.4 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. [2019-09-18 13:09:16,137 INFO L168 Benchmark]: Boogie Preprocessor took 90.17 ms. Allocated memory is still 199.8 MB. Free memory was 164.3 MB in the beginning and 159.7 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2019-09-18 13:09:16,139 INFO L168 Benchmark]: RCFGBuilder took 1466.27 ms. Allocated memory was 199.8 MB in the beginning and 223.9 MB in the end (delta: 24.1 MB). Free memory was 159.7 MB in the beginning and 171.5 MB in the end (delta: -11.8 MB). Peak memory consumption was 89.6 MB. Max. memory is 7.1 GB. [2019-09-18 13:09:16,141 INFO L168 Benchmark]: Sifa took 408643.75 ms. Allocated memory was 223.9 MB in the beginning and 147.3 MB in the end (delta: -76.5 MB). Free memory was 171.5 MB in the beginning and 58.7 MB in the end (delta: 112.8 MB). Peak memory consumption was 36.2 MB. Max. memory is 7.1 GB. [2019-09-18 13:09:16,152 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 132.6 MB. Free memory is still 106.6 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 740.72 ms. Allocated memory was 132.6 MB in the beginning and 199.8 MB in the end (delta: 67.1 MB). Free memory was 86.9 MB in the beginning and 164.3 MB in the end (delta: -77.4 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 90.17 ms. Allocated memory is still 199.8 MB. Free memory was 164.3 MB in the beginning and 159.7 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1466.27 ms. Allocated memory was 199.8 MB in the beginning and 223.9 MB in the end (delta: 24.1 MB). Free memory was 159.7 MB in the beginning and 171.5 MB in the end (delta: -11.8 MB). Peak memory consumption was 89.6 MB. Max. memory is 7.1 GB. * Sifa took 408643.75 ms. Allocated memory was 223.9 MB in the beginning and 147.3 MB in the end (delta: -76.5 MB). Free memory was 171.5 MB in the beginning and 58.7 MB in the end (delta: 112.8 MB). Peak memory consumption was 36.2 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]: 408607, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 449, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 367, TOOLS_POST_TIME[ms]: 201737, TOOLS_POST_CALL_APPLICATIONS: 68, TOOLS_POST_CALL_TIME[ms]: 143, TOOLS_POST_RETURN_APPLICATIONS: 59, TOOLS_POST_RETURN_TIME[ms]: 59, TOOLS_QUANTIFIERELIM_APPLICATIONS: 493, TOOLS_QUANTIFIERELIM_TIME[ms]: 201791, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 30304, FLUID_QUERY_TIME[ms]: 17, FLUID_QUERIES: 454, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 86, DOMAIN_JOIN_TIME[ms]: 206089, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 92, DOMAIN_ISSUBSETEQ_APPLICATIONS: 5, DOMAIN_ISSUBSETEQ_TIME[ms]: 10, DOMAIN_ISBOTTOM_APPLICATIONS: 48, DOMAIN_ISBOTTOM_TIME[ms]: 306, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 200023, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 200022, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 5, CALL_SUMMARIZER_APPLICATIONS: 59, CALL_SUMMARIZER_CACHE_MISSES: 25, CALL_SUMMARIZER_OVERALL_TIME[ms]: 208022, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 208022, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 11, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 44, DAG_COMPRESSION_PROCESSED_NODES: 751, DAG_COMPRESSION_RETAINED_NODES: 449 - UnprovableResult [Line: 871]: 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 710#(and (not (= 0 ~methAndRunningLastTime~0)) (<= ~pumpRunning~0 2147483647) (not (= 0 ~methaneLevelCritical~0)) (<= 0 (+ ~pumpRunning~0 2147483648)) (<= ~methaneLevelCritical~0 2147483647) (<= 0 (+ ~methaneLevelCritical~0 2147483648)) (or (= 0 ~waterLevel~0) (= 0 ~systemActive~0)) (not (= ~pumpRunning~0 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...