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 NeverFluid --sifa.intern.fluid NeverFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product26.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-19 23:01:55,157 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-19 23:01:55,159 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-19 23:01:55,172 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-19 23:01:55,172 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-19 23:01:55,173 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-19 23:01:55,174 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-19 23:01:55,176 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-19 23:01:55,179 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-19 23:01:55,179 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-19 23:01:55,180 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-19 23:01:55,184 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-19 23:01:55,185 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-19 23:01:55,186 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-19 23:01:55,189 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-19 23:01:55,190 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-19 23:01:55,191 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-19 23:01:55,191 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-19 23:01:55,193 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-19 23:01:55,195 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-19 23:01:55,196 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-19 23:01:55,197 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-19 23:01:55,198 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-19 23:01:55,199 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-19 23:01:55,201 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-19 23:01:55,201 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-19 23:01:55,201 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-19 23:01:55,202 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-19 23:01:55,202 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-19 23:01:55,203 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-19 23:01:55,204 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-19 23:01:55,204 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-19 23:01:55,205 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-19 23:01:55,206 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-19 23:01:55,207 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-19 23:01:55,207 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-19 23:01:55,207 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-19 23:01:55,208 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-19 23:01:55,208 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-19 23:01:55,209 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-19 23:01:55,209 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-19 23:01:55,210 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-19 23:01:55,225 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-19 23:01:55,226 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-19 23:01:55,227 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-19 23:01:55,227 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-19 23:01:55,227 INFO L138 SettingsManager]: * Use SBE=true [2019-09-19 23:01:55,227 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-19 23:01:55,228 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-19 23:01:55,228 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-19 23:01:55,228 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-19 23:01:55,228 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-19 23:01:55,228 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-19 23:01:55,228 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-19 23:01:55,229 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-19 23:01:55,229 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-19 23:01:55,229 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-19 23:01:55,229 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-19 23:01:55,229 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-19 23:01:55,230 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-19 23:01:55,230 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-19 23:01:55,230 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-19 23:01:55,230 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-19 23:01:55,230 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-19 23:01:55,231 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-19 23:01:55,231 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-19 23:01:55,231 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-19 23:01:55,231 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-19 23:01:55,231 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-19 23:01:55,232 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-19 23:01:55,232 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 -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-19 23:01:55,273 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-19 23:01:55,292 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-19 23:01:55,297 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-19 23:01:55,299 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-19 23:01:55,299 INFO L275 PluginConnector]: CDTParser initialized [2019-09-19 23:01:55,300 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product26.cil.c [2019-09-19 23:01:55,369 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/040ef4b97/27d03c0e3f4345e09275ade2e5332d0b/FLAGe40471e5f [2019-09-19 23:01:55,882 INFO L306 CDTParser]: Found 1 translation units. [2019-09-19 23:01:55,882 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product26.cil.c [2019-09-19 23:01:55,900 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/040ef4b97/27d03c0e3f4345e09275ade2e5332d0b/FLAGe40471e5f [2019-09-19 23:01:56,201 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/040ef4b97/27d03c0e3f4345e09275ade2e5332d0b [2019-09-19 23:01:56,211 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-19 23:01:56,212 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-19 23:01:56,213 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-19 23:01:56,213 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-19 23:01:56,216 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-19 23:01:56,216 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 11:01:56" (1/1) ... [2019-09-19 23:01:56,219 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e4ad246 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:01:56, skipping insertion in model container [2019-09-19 23:01:56,219 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 11:01:56" (1/1) ... [2019-09-19 23:01:56,226 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-19 23:01:56,279 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-19 23:01:56,704 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 23:01:56,728 INFO L188 MainTranslator]: Completed pre-run [2019-09-19 23:01:56,845 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 23:01:56,880 INFO L192 MainTranslator]: Completed translation [2019-09-19 23:01:56,880 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:01:56 WrapperNode [2019-09-19 23:01:56,880 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-19 23:01:56,881 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-19 23:01:56,881 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-19 23:01:56,881 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-19 23:01:56,891 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:01:56" (1/1) ... [2019-09-19 23:01:56,891 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:01:56" (1/1) ... [2019-09-19 23:01:56,908 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:01:56" (1/1) ... [2019-09-19 23:01:56,908 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:01:56" (1/1) ... [2019-09-19 23:01:56,935 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:01:56" (1/1) ... [2019-09-19 23:01:56,945 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:01:56" (1/1) ... [2019-09-19 23:01:56,950 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:01:56" (1/1) ... [2019-09-19 23:01:56,958 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-19 23:01:56,958 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-19 23:01:56,958 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-19 23:01:56,959 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-19 23:01:56,959 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 11:01:56" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-19 23:01:57,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-19 23:01:57,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-19 23:01:57,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-19 23:01:57,025 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-19 23:01:57,026 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-19 23:01:57,026 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-19 23:01:57,026 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-19 23:01:57,027 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-09-19 23:01:57,027 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-09-19 23:01:57,027 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-19 23:01:57,027 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-19 23:01:57,028 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-19 23:01:57,028 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-19 23:01:57,028 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-19 23:01:57,029 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-19 23:01:57,029 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-19 23:01:57,031 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-19 23:01:57,031 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-19 23:01:57,031 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-19 23:01:57,031 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-19 23:01:57,032 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-19 23:01:57,032 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-19 23:01:57,032 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-19 23:01:57,033 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-19 23:01:57,033 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-19 23:01:57,033 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-19 23:01:57,033 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-19 23:01:57,033 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-19 23:01:57,033 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-19 23:01:57,034 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-19 23:01:57,034 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-19 23:01:57,034 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-19 23:01:57,034 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-19 23:01:57,034 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-19 23:01:57,035 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-19 23:01:57,035 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-19 23:01:57,035 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-19 23:01:57,035 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-19 23:01:57,035 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-19 23:01:57,035 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-19 23:01:57,035 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-19 23:01:57,036 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-19 23:01:57,036 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-19 23:01:57,036 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-19 23:01:57,036 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-19 23:01:57,036 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-19 23:01:57,037 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-19 23:01:57,038 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-19 23:01:57,038 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-19 23:01:57,038 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-19 23:01:57,038 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-09-19 23:01:57,039 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-09-19 23:01:57,039 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-19 23:01:57,039 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-19 23:01:57,039 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-19 23:01:57,039 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-19 23:01:57,040 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-19 23:01:57,040 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-19 23:01:57,040 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-19 23:01:57,040 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-19 23:01:57,040 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-19 23:01:57,041 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-19 23:01:57,041 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-19 23:01:57,041 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-19 23:01:57,041 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-19 23:01:57,041 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-19 23:01:57,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-19 23:01:57,041 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-19 23:01:57,042 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-19 23:01:57,042 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-19 23:01:57,042 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-19 23:01:57,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-19 23:01:57,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-19 23:01:57,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-19 23:01:57,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-19 23:01:57,043 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-19 23:01:57,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-19 23:01:57,044 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-19 23:01:57,045 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-19 23:01:57,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-19 23:01:57,045 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-19 23:01:57,045 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-19 23:01:57,046 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-19 23:01:57,046 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-19 23:01:57,046 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-19 23:01:57,046 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-19 23:01:57,046 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-19 23:01:57,046 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-19 23:01:57,046 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-19 23:01:57,047 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-19 23:01:57,047 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-19 23:01:57,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-19 23:01:57,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-19 23:01:57,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-19 23:01:58,523 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-19 23:01:58,523 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-19 23:01:58,525 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 11:01:58 BoogieIcfgContainer [2019-09-19 23:01:58,525 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-19 23:01:58,526 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-19 23:01:58,526 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-19 23:01:58,526 INFO L275 PluginConnector]: Sifa initialized [2019-09-19 23:01:58,527 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 11:01:58" (1/1) ... [2019-09-19 23:01:58,528 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=NeverFluid ♦ 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=NeverFluid [2019-09-19 23:01:58,559 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-19 23:01:58,560 INFO L169 IcfgInterpreter]: Building call graph [2019-09-19 23:01:58,567 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-19 23:01:58,575 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-19 23:01:58,576 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-19 23:02:20,192 WARN L191 SmtUtils]: Spent 12.59 s on a formula simplification that was a NOOP. DAG size: 466 [2019-09-19 23:02:21,757 WARN L191 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-19 23:02:25,665 WARN L191 SmtUtils]: Spent 3.90 s on a formula simplification. DAG size of input: 474 DAG size of output: 424 [2019-09-19 23:02:27,422 WARN L191 SmtUtils]: Spent 1.75 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-19 23:02:29,138 WARN L191 SmtUtils]: Spent 1.71 s on a formula simplification that was a NOOP. DAG size: 424 [2019-09-19 23:02:29,153 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 434 for LOIs [2019-09-19 23:02:29,223 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 434 for LOIs [2019-09-19 23:02:29,241 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 434 for LOIs [2019-09-19 23:02:40,190 WARN L191 SmtUtils]: Spent 10.79 s on a formula simplification. DAG size of input: 447 DAG size of output: 446 [2019-09-19 23:02:45,433 WARN L191 SmtUtils]: Spent 5.24 s on a formula simplification that was a NOOP. DAG size: 446 [2019-09-19 23:02:56,051 WARN L191 SmtUtils]: Spent 10.62 s on a formula simplification. DAG size of input: 447 DAG size of output: 446 [2019-09-19 23:03:01,295 WARN L191 SmtUtils]: Spent 5.24 s on a formula simplification that was a NOOP. DAG size: 446 [2019-09-19 23:03:11,912 WARN L191 SmtUtils]: Spent 10.62 s on a formula simplification. DAG size of input: 447 DAG size of output: 446 [2019-09-19 23:03:17,167 WARN L191 SmtUtils]: Spent 5.25 s on a formula simplification that was a NOOP. DAG size: 446 [2019-09-19 23:03:27,836 WARN L191 SmtUtils]: Spent 10.67 s on a formula simplification. DAG size of input: 447 DAG size of output: 446 [2019-09-19 23:03:33,095 WARN L191 SmtUtils]: Spent 5.26 s on a formula simplification that was a NOOP. DAG size: 446 [2019-09-19 23:03:43,654 WARN L191 SmtUtils]: Spent 10.56 s on a formula simplification. DAG size of input: 447 DAG size of output: 446 [2019-09-19 23:03:48,918 WARN L191 SmtUtils]: Spent 5.26 s on a formula simplification that was a NOOP. DAG size: 446 [2019-09-19 23:03:59,578 WARN L191 SmtUtils]: Spent 10.66 s on a formula simplification. DAG size of input: 447 DAG size of output: 446 [2019-09-19 23:04:04,845 WARN L191 SmtUtils]: Spent 5.27 s on a formula simplification that was a NOOP. DAG size: 446 [2019-09-19 23:04:15,399 WARN L191 SmtUtils]: Spent 10.55 s on a formula simplification. DAG size of input: 447 DAG size of output: 446 [2019-09-19 23:04:20,618 WARN L191 SmtUtils]: Spent 5.22 s on a formula simplification that was a NOOP. DAG size: 446 [2019-09-19 23:04:31,174 WARN L191 SmtUtils]: Spent 10.55 s on a formula simplification. DAG size of input: 447 DAG size of output: 446 [2019-09-19 23:04:36,441 WARN L191 SmtUtils]: Spent 5.27 s on a formula simplification that was a NOOP. DAG size: 446 [2019-09-19 23:04:47,046 WARN L191 SmtUtils]: Spent 10.60 s on a formula simplification. DAG size of input: 447 DAG size of output: 446 [2019-09-19 23:04:52,306 WARN L191 SmtUtils]: Spent 5.26 s on a formula simplification that was a NOOP. DAG size: 446 [2019-09-19 23:05:10,145 WARN L191 SmtUtils]: Spent 17.71 s on a formula simplification. DAG size of input: 465 DAG size of output: 463 [2019-09-19 23:05:18,952 WARN L191 SmtUtils]: Spent 8.80 s on a formula simplification that was a NOOP. DAG size: 463 [2019-09-19 23:05:36,668 WARN L191 SmtUtils]: Spent 17.71 s on a formula simplification. DAG size of input: 465 DAG size of output: 463 [2019-09-19 23:05:45,550 WARN L191 SmtUtils]: Spent 8.88 s on a formula simplification that was a NOOP. DAG size: 463 [2019-09-19 23:06:17,105 WARN L191 SmtUtils]: Spent 31.50 s on a formula simplification. DAG size of input: 482 DAG size of output: 482 [2019-09-19 23:06:32,851 WARN L191 SmtUtils]: Spent 15.74 s on a formula simplification that was a NOOP. DAG size: 482 [2019-09-19 23:06:51,658 WARN L191 SmtUtils]: Spent 18.06 s on a formula simplification. DAG size of input: 470 DAG size of output: 469 [2019-09-19 23:07:00,768 WARN L191 SmtUtils]: Spent 9.11 s on a formula simplification that was a NOOP. DAG size: 469 [2019-09-19 23:07:18,993 WARN L191 SmtUtils]: Spent 18.22 s on a formula simplification. DAG size of input: 478 DAG size of output: 476 [2019-09-19 23:07:28,047 WARN L191 SmtUtils]: Spent 9.05 s on a formula simplification that was a NOOP. DAG size: 476 [2019-09-19 23:07:46,200 WARN L191 SmtUtils]: Spent 18.15 s on a formula simplification. DAG size of input: 478 DAG size of output: 476 [2019-09-19 23:07:55,249 WARN L191 SmtUtils]: Spent 9.05 s on a formula simplification that was a NOOP. DAG size: 476 [2019-09-19 23:08:07,912 WARN L191 SmtUtils]: Spent 12.61 s on a formula simplification that was a NOOP. DAG size: 481 [2019-09-19 23:08:08,833 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 53 [2019-09-19 23:08:09,076 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 53 [2019-09-19 23:08:27,071 WARN L191 SmtUtils]: Spent 17.78 s on a formula simplification. DAG size of input: 465 DAG size of output: 463 [2019-09-19 23:08:35,989 WARN L191 SmtUtils]: Spent 8.92 s on a formula simplification that was a NOOP. DAG size: 463 [2019-09-19 23:08:53,731 WARN L191 SmtUtils]: Spent 17.74 s on a formula simplification. DAG size of input: 465 DAG size of output: 463 [2019-09-19 23:09:02,664 WARN L191 SmtUtils]: Spent 8.93 s on a formula simplification that was a NOOP. DAG size: 463 [2019-09-19 23:09:34,349 WARN L191 SmtUtils]: Spent 31.66 s on a formula simplification. DAG size of input: 482 DAG size of output: 482 [2019-09-19 23:09:50,079 WARN L191 SmtUtils]: Spent 15.73 s on a formula simplification that was a NOOP. DAG size: 482 [2019-09-19 23:10:08,269 WARN L191 SmtUtils]: Spent 18.10 s on a formula simplification. DAG size of input: 470 DAG size of output: 469 [2019-09-19 23:10:17,343 WARN L191 SmtUtils]: Spent 9.07 s on a formula simplification that was a NOOP. DAG size: 469 [2019-09-19 23:10:35,522 WARN L191 SmtUtils]: Spent 18.18 s on a formula simplification. DAG size of input: 478 DAG size of output: 476 [2019-09-19 23:10:44,577 WARN L191 SmtUtils]: Spent 9.05 s on a formula simplification that was a NOOP. DAG size: 476 [2019-09-19 23:11:02,785 WARN L191 SmtUtils]: Spent 18.21 s on a formula simplification. DAG size of input: 478 DAG size of output: 476 [2019-09-19 23:11:11,794 WARN L191 SmtUtils]: Spent 9.01 s on a formula simplification that was a NOOP. DAG size: 476 [2019-09-19 23:11:24,351 WARN L191 SmtUtils]: Spent 12.54 s on a formula simplification that was a NOOP. DAG size: 481 [2019-09-19 23:11:25,043 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 53 [2019-09-19 23:11:25,287 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 53 [2019-09-19 23:11:43,240 WARN L191 SmtUtils]: Spent 17.80 s on a formula simplification. DAG size of input: 465 DAG size of output: 463 [2019-09-19 23:11:52,067 WARN L191 SmtUtils]: Spent 8.83 s on a formula simplification that was a NOOP. DAG size: 463 [2019-09-19 23:12:09,830 WARN L191 SmtUtils]: Spent 17.76 s on a formula simplification. DAG size of input: 465 DAG size of output: 463 [2019-09-19 23:12:18,664 WARN L191 SmtUtils]: Spent 8.83 s on a formula simplification that was a NOOP. DAG size: 463 [2019-09-19 23:12:50,421 WARN L191 SmtUtils]: Spent 31.73 s on a formula simplification. DAG size of input: 482 DAG size of output: 482 [2019-09-19 23:13:06,255 WARN L191 SmtUtils]: Spent 15.83 s on a formula simplification that was a NOOP. DAG size: 482 [2019-09-19 23:13:24,592 WARN L191 SmtUtils]: Spent 18.24 s on a formula simplification. DAG size of input: 470 DAG size of output: 469 [2019-09-19 23:13:33,628 WARN L191 SmtUtils]: Spent 9.03 s on a formula simplification that was a NOOP. DAG size: 469 [2019-09-19 23:13:51,764 WARN L191 SmtUtils]: Spent 18.13 s on a formula simplification. DAG size of input: 478 DAG size of output: 476 [2019-09-19 23:14:00,800 WARN L191 SmtUtils]: Spent 9.03 s on a formula simplification that was a NOOP. DAG size: 476 [2019-09-19 23:14:19,085 WARN L191 SmtUtils]: Spent 18.28 s on a formula simplification. DAG size of input: 478 DAG size of output: 476 [2019-09-19 23:14:28,134 WARN L191 SmtUtils]: Spent 9.05 s on a formula simplification that was a NOOP. DAG size: 476 [2019-09-19 23:14:40,708 WARN L191 SmtUtils]: Spent 12.55 s on a formula simplification that was a NOOP. DAG size: 481 [2019-09-19 23:14:41,501 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 53 [2019-09-19 23:14:41,737 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 53 [2019-09-19 23:14:43,796 WARN L191 SmtUtils]: Spent 1.84 s on a formula simplification that was a NOOP. DAG size: 471 [2019-09-19 23:14:45,663 WARN L191 SmtUtils]: Spent 1.87 s on a formula simplification that was a NOOP. DAG size: 471 [2019-09-19 23:14:45,806 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 46 [2019-09-19 23:15:03,498 WARN L191 SmtUtils]: Spent 17.59 s on a formula simplification. DAG size of input: 465 DAG size of output: 463