java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product14.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 15:20:35,169 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 15:20:35,171 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 15:20:35,189 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 15:20:35,189 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 15:20:35,191 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 15:20:35,193 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 15:20:35,198 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 15:20:35,199 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 15:20:35,201 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 15:20:35,202 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 15:20:35,203 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 15:20:35,203 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 15:20:35,204 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 15:20:35,205 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 15:20:35,206 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 15:20:35,207 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 15:20:35,208 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 15:20:35,209 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 15:20:35,211 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 15:20:35,212 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 15:20:35,213 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 15:20:35,214 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 15:20:35,215 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 15:20:35,217 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 15:20:35,218 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 15:20:35,218 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 15:20:35,219 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 15:20:35,219 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 15:20:35,220 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 15:20:35,220 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 15:20:35,221 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 15:20:35,221 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 15:20:35,222 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 15:20:35,224 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 15:20:35,224 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 15:20:35,227 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 15:20:35,227 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 15:20:35,227 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 15:20:35,228 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 15:20:35,229 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 15:20:35,231 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 [2019-10-07 15:20:35,252 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 15:20:35,253 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 15:20:35,256 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 15:20:35,256 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 15:20:35,257 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 15:20:35,257 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 15:20:35,257 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 15:20:35,257 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 15:20:35,258 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 15:20:35,258 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 15:20:35,259 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 15:20:35,259 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 15:20:35,259 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 15:20:35,260 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 15:20:35,260 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 15:20:35,260 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 15:20:35,260 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 15:20:35,260 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 15:20:35,261 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 15:20:35,261 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 15:20:35,261 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 15:20:35,262 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:20:35,262 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 15:20:35,262 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 15:20:35,262 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 15:20:35,263 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 15:20:35,263 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 15:20:35,263 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 15:20:35,263 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-07 15:20:35,537 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 15:20:35,549 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 15:20:35,553 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 15:20:35,554 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 15:20:35,554 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 15:20:35,555 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product14.cil.c [2019-10-07 15:20:35,615 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/545c1d8db/57cfba2362e54bc4b3f4efebce0741a8/FLAG321cbea76 [2019-10-07 15:20:36,117 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 15:20:36,117 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product14.cil.c [2019-10-07 15:20:36,138 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/545c1d8db/57cfba2362e54bc4b3f4efebce0741a8/FLAG321cbea76 [2019-10-07 15:20:36,455 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/545c1d8db/57cfba2362e54bc4b3f4efebce0741a8 [2019-10-07 15:20:36,465 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 15:20:36,467 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 15:20:36,468 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 15:20:36,468 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 15:20:36,471 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 15:20:36,472 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:20:36" (1/1) ... [2019-10-07 15:20:36,475 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2551e251 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:36, skipping insertion in model container [2019-10-07 15:20:36,475 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:20:36" (1/1) ... [2019-10-07 15:20:36,482 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 15:20:36,522 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 15:20:36,901 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:20:36,919 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 15:20:37,056 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:20:37,090 INFO L192 MainTranslator]: Completed translation [2019-10-07 15:20:37,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:37 WrapperNode [2019-10-07 15:20:37,091 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 15:20:37,091 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 15:20:37,092 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 15:20:37,092 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 15:20:37,102 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:37" (1/1) ... [2019-10-07 15:20:37,102 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:37" (1/1) ... [2019-10-07 15:20:37,125 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:37" (1/1) ... [2019-10-07 15:20:37,126 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:37" (1/1) ... [2019-10-07 15:20:37,160 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:37" (1/1) ... [2019-10-07 15:20:37,169 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:37" (1/1) ... [2019-10-07 15:20:37,174 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:37" (1/1) ... [2019-10-07 15:20:37,181 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 15:20:37,181 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 15:20:37,182 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 15:20:37,182 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 15:20:37,183 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:37" (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 [2019-10-07 15:20:37,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 15:20:37,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 15:20:37,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 15:20:37,259 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-10-07 15:20:37,259 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-10-07 15:20:37,259 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-10-07 15:20:37,259 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-07 15:20:37,260 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-07 15:20:37,260 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 15:20:37,260 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-07 15:20:37,260 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 15:20:37,260 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 15:20:37,260 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 15:20:37,261 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 15:20:37,261 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 15:20:37,261 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 15:20:37,261 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 15:20:37,261 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-07 15:20:37,262 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-10-07 15:20:37,262 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-07 15:20:37,262 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2019-10-07 15:20:37,262 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-07 15:20:37,262 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-07 15:20:37,262 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-07 15:20:37,262 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-07 15:20:37,263 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-07 15:20:37,263 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-07 15:20:37,263 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-07 15:20:37,263 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-07 15:20:37,263 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-07 15:20:37,264 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-07 15:20:37,264 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-07 15:20:37,264 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-07 15:20:37,264 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 15:20:37,264 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 15:20:37,264 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 15:20:37,264 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 15:20:37,265 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 15:20:37,265 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 15:20:37,265 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 15:20:37,265 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 15:20:37,265 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 15:20:37,265 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 15:20:37,266 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-07 15:20:37,266 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-07 15:20:37,266 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-10-07 15:20:37,266 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-10-07 15:20:37,266 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-10-07 15:20:37,267 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-07 15:20:37,267 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-07 15:20:37,267 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-07 15:20:37,267 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-07 15:20:37,267 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-07 15:20:37,268 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-07 15:20:37,268 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 15:20:37,268 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 15:20:37,268 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-07 15:20:37,268 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 15:20:37,269 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 15:20:37,269 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 15:20:37,269 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 15:20:37,269 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 15:20:37,269 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 15:20:37,269 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 15:20:37,270 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 15:20:37,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 15:20:37,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 15:20:37,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 15:20:37,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 15:20:37,270 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 15:20:37,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 15:20:37,271 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 15:20:37,271 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 15:20:37,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 15:20:37,271 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 15:20:37,271 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 15:20:37,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 15:20:37,272 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 15:20:37,272 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-07 15:20:37,272 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-07 15:20:37,272 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-07 15:20:37,272 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-07 15:20:37,273 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-07 15:20:37,273 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-07 15:20:37,273 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-07 15:20:37,273 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-10-07 15:20:37,273 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-07 15:20:37,273 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2019-10-07 15:20:37,273 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 15:20:37,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 15:20:37,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 15:20:37,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 15:20:38,799 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 15:20:38,800 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-07 15:20:38,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:20:38 BoogieIcfgContainer [2019-10-07 15:20:38,801 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 15:20:38,802 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 15:20:38,803 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 15:20:38,806 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 15:20:38,806 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:20:36" (1/3) ... [2019-10-07 15:20:38,807 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c91a1cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:20:38, skipping insertion in model container [2019-10-07 15:20:38,807 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:20:37" (2/3) ... [2019-10-07 15:20:38,807 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c91a1cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:20:38, skipping insertion in model container [2019-10-07 15:20:38,808 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:20:38" (3/3) ... [2019-10-07 15:20:38,809 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product14.cil.c [2019-10-07 15:20:38,819 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 15:20:38,827 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 15:20:38,837 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 15:20:38,864 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 15:20:38,864 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 15:20:38,864 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 15:20:38,864 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 15:20:38,865 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 15:20:38,865 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 15:20:38,865 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 15:20:38,865 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 15:20:38,887 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states. [2019-10-07 15:20:38,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-07 15:20:38,896 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:20:38,897 INFO L385 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:20:38,899 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:20:38,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:20:38,905 INFO L82 PathProgramCache]: Analyzing trace with hash -843394818, now seen corresponding path program 1 times [2019-10-07 15:20:38,913 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:20:38,914 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:38,914 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:38,914 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:38,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:20:39,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:20:39,286 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-07 15:20:39,287 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:39,287 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:20:39,288 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 15:20:39,294 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 15:20:39,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 15:20:39,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:20:39,311 INFO L87 Difference]: Start difference. First operand 140 states. Second operand 2 states. [2019-10-07 15:20:39,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:20:39,364 INFO L93 Difference]: Finished difference Result 196 states and 237 transitions. [2019-10-07 15:20:39,364 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 15:20:39,366 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-10-07 15:20:39,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:20:39,383 INFO L225 Difference]: With dead ends: 196 [2019-10-07 15:20:39,383 INFO L226 Difference]: Without dead ends: 100 [2019-10-07 15:20:39,401 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:20:39,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2019-10-07 15:20:39,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2019-10-07 15:20:39,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2019-10-07 15:20:39,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 114 transitions. [2019-10-07 15:20:39,454 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 114 transitions. Word has length 52 [2019-10-07 15:20:39,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:20:39,455 INFO L462 AbstractCegarLoop]: Abstraction has 100 states and 114 transitions. [2019-10-07 15:20:39,455 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 15:20:39,455 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 114 transitions. [2019-10-07 15:20:39,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-07 15:20:39,459 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:20:39,459 INFO L385 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:20:39,460 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:20:39,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:20:39,460 INFO L82 PathProgramCache]: Analyzing trace with hash -1340382028, now seen corresponding path program 1 times [2019-10-07 15:20:39,461 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:20:39,461 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:39,461 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:39,461 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:39,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:20:39,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:20:39,627 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-07 15:20:39,627 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:39,628 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:20:39,628 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:20:39,630 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:20:39,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:20:39,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:20:39,631 INFO L87 Difference]: Start difference. First operand 100 states and 114 transitions. Second operand 3 states. [2019-10-07 15:20:39,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:20:39,669 INFO L93 Difference]: Finished difference Result 150 states and 171 transitions. [2019-10-07 15:20:39,669 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:20:39,670 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-10-07 15:20:39,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:20:39,674 INFO L225 Difference]: With dead ends: 150 [2019-10-07 15:20:39,674 INFO L226 Difference]: Without dead ends: 92 [2019-10-07 15:20:39,677 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:20:39,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2019-10-07 15:20:39,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2019-10-07 15:20:39,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2019-10-07 15:20:39,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 103 transitions. [2019-10-07 15:20:39,689 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 103 transitions. Word has length 53 [2019-10-07 15:20:39,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:20:39,690 INFO L462 AbstractCegarLoop]: Abstraction has 92 states and 103 transitions. [2019-10-07 15:20:39,690 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:20:39,690 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 103 transitions. [2019-10-07 15:20:39,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-10-07 15:20:39,692 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:20:39,692 INFO L385 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:20:39,693 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:20:39,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:20:39,693 INFO L82 PathProgramCache]: Analyzing trace with hash 1976624149, now seen corresponding path program 1 times [2019-10-07 15:20:39,693 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:20:39,694 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:39,694 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:39,694 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:39,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:20:39,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:20:39,906 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-07 15:20:39,907 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:39,907 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:20:39,907 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:20:39,907 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:20:39,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:20:39,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:20:39,910 INFO L87 Difference]: Start difference. First operand 92 states and 103 transitions. Second operand 7 states. [2019-10-07 15:20:40,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:20:40,210 INFO L93 Difference]: Finished difference Result 159 states and 182 transitions. [2019-10-07 15:20:40,212 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 15:20:40,212 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2019-10-07 15:20:40,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:20:40,214 INFO L225 Difference]: With dead ends: 159 [2019-10-07 15:20:40,214 INFO L226 Difference]: Without dead ends: 92 [2019-10-07 15:20:40,216 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-07 15:20:40,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2019-10-07 15:20:40,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2019-10-07 15:20:40,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2019-10-07 15:20:40,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 102 transitions. [2019-10-07 15:20:40,235 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 102 transitions. Word has length 56 [2019-10-07 15:20:40,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:20:40,237 INFO L462 AbstractCegarLoop]: Abstraction has 92 states and 102 transitions. [2019-10-07 15:20:40,237 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:20:40,237 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 102 transitions. [2019-10-07 15:20:40,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-10-07 15:20:40,239 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:20:40,239 INFO L385 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:20:40,239 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:20:40,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:20:40,239 INFO L82 PathProgramCache]: Analyzing trace with hash 989811829, now seen corresponding path program 1 times [2019-10-07 15:20:40,240 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:20:40,240 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:40,240 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:40,240 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:20:40,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:20:40,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:20:40,388 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-07 15:20:40,388 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:20:40,388 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:20:40,389 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:20:40,389 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:20:40,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:20:40,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:20:40,390 INFO L87 Difference]: Start difference. First operand 92 states and 102 transitions. Second operand 7 states. [2019-10-07 15:20:40,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:20:40,710 INFO L93 Difference]: Finished difference Result 141 states and 162 transitions. [2019-10-07 15:20:40,711 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 15:20:40,711 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 64 [2019-10-07 15:20:40,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:20:40,712 INFO L225 Difference]: With dead ends: 141 [2019-10-07 15:20:40,712 INFO L226 Difference]: Without dead ends: 0 [2019-10-07 15:20:40,714 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-10-07 15:20:40,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-07 15:20:40,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-07 15:20:40,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-07 15:20:40,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-07 15:20:40,718 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 64 [2019-10-07 15:20:40,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:20:40,722 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-07 15:20:40,722 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:20:40,722 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-07 15:20:40,722 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-07 15:20:40,729 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-07 15:20:41,235 INFO L443 ceAbstractionStarter]: For program point L280(lines 280 284) no Hoare annotation was computed. [2019-10-07 15:20:41,235 INFO L443 ceAbstractionStarter]: For program point L274-2(lines 274 295) no Hoare annotation was computed. [2019-10-07 15:20:41,235 INFO L443 ceAbstractionStarter]: For program point L296(lines 273 297) no Hoare annotation was computed. [2019-10-07 15:20:41,236 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 249 304) no Hoare annotation was computed. [2019-10-07 15:20:41,236 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 249 304) no Hoare annotation was computed. [2019-10-07 15:20:41,236 INFO L443 ceAbstractionStarter]: For program point L350(line 350) no Hoare annotation was computed. [2019-10-07 15:20:41,236 INFO L443 ceAbstractionStarter]: For program point L350-1(line 350) no Hoare annotation was computed. [2019-10-07 15:20:41,236 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 305 364) no Hoare annotation was computed. [2019-10-07 15:20:41,236 INFO L443 ceAbstractionStarter]: For program point L337(lines 337 341) no Hoare annotation was computed. [2019-10-07 15:20:41,236 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 305 364) no Hoare annotation was computed. [2019-10-07 15:20:41,237 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 305 364) no Hoare annotation was computed. [2019-10-07 15:20:41,237 INFO L443 ceAbstractionStarter]: For program point L331-2(lines 331 356) no Hoare annotation was computed. [2019-10-07 15:20:41,237 INFO L443 ceAbstractionStarter]: For program point L357(lines 330 358) no Hoare annotation was computed. [2019-10-07 15:20:41,238 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 895 901) the Hoare annotation is: true [2019-10-07 15:20:41,239 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 895 901) no Hoare annotation was computed. [2019-10-07 15:20:41,239 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 902 910) no Hoare annotation was computed. [2019-10-07 15:20:41,239 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 902 910) the Hoare annotation is: true [2019-10-07 15:20:41,239 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 44 51) the Hoare annotation is: true [2019-10-07 15:20:41,239 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 44 51) no Hoare annotation was computed. [2019-10-07 15:20:41,239 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 52 61) the Hoare annotation is: true [2019-10-07 15:20:41,239 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 52 61) no Hoare annotation was computed. [2019-10-07 15:20:41,240 INFO L443 ceAbstractionStarter]: For program point L57(line 57) no Hoare annotation was computed. [2019-10-07 15:20:41,240 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 62 90) the Hoare annotation is: true [2019-10-07 15:20:41,240 INFO L439 ceAbstractionStarter]: At program point L77(line 77) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2019-10-07 15:20:41,240 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 62 90) no Hoare annotation was computed. [2019-10-07 15:20:41,241 INFO L443 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2019-10-07 15:20:41,241 INFO L443 ceAbstractionStarter]: For program point L74(lines 74 84) no Hoare annotation was computed. [2019-10-07 15:20:41,241 INFO L446 ceAbstractionStarter]: At program point L72(line 72) the Hoare annotation is: true [2019-10-07 15:20:41,242 INFO L443 ceAbstractionStarter]: For program point L72-1(line 72) no Hoare annotation was computed. [2019-10-07 15:20:41,242 INFO L443 ceAbstractionStarter]: For program point L70(lines 70 87) no Hoare annotation was computed. [2019-10-07 15:20:41,242 INFO L443 ceAbstractionStarter]: For program point L70-1(lines 62 90) no Hoare annotation was computed. [2019-10-07 15:20:41,242 INFO L446 ceAbstractionStarter]: At program point L68(line 68) the Hoare annotation is: true [2019-10-07 15:20:41,243 INFO L443 ceAbstractionStarter]: For program point L68-1(line 68) no Hoare annotation was computed. [2019-10-07 15:20:41,243 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 173 195) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:41,244 INFO L439 ceAbstractionStarter]: At program point L185(line 185) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= main_~tmp~1 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-10-07 15:20:41,244 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 173 195) no Hoare annotation was computed. [2019-10-07 15:20:41,244 INFO L439 ceAbstractionStarter]: At program point L185-1(line 185) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= main_~tmp~1 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-10-07 15:20:41,244 INFO L443 ceAbstractionStarter]: For program point L183(lines 183 190) no Hoare annotation was computed. [2019-10-07 15:20:41,244 INFO L443 ceAbstractionStarter]: For program point L183-1(lines 183 190) no Hoare annotation was computed. [2019-10-07 15:20:41,245 INFO L443 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2019-10-07 15:20:41,245 INFO L439 ceAbstractionStarter]: At program point L180(line 180) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:41,245 INFO L439 ceAbstractionStarter]: At program point L179(line 179) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:41,245 INFO L439 ceAbstractionStarter]: At program point L179-1(line 179) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:41,246 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 127 150) no Hoare annotation was computed. [2019-10-07 15:20:41,246 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 127 150) no Hoare annotation was computed. [2019-10-07 15:20:41,246 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 127 150) no Hoare annotation was computed. [2019-10-07 15:20:41,246 INFO L443 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2019-10-07 15:20:41,246 INFO L443 ceAbstractionStarter]: For program point L144(line 144) no Hoare annotation was computed. [2019-10-07 15:20:41,246 INFO L443 ceAbstractionStarter]: For program point L143(line 143) no Hoare annotation was computed. [2019-10-07 15:20:41,246 INFO L443 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2019-10-07 15:20:41,246 INFO L443 ceAbstractionStarter]: For program point L141(line 141) no Hoare annotation was computed. [2019-10-07 15:20:41,247 INFO L443 ceAbstractionStarter]: For program point L140(line 140) no Hoare annotation was computed. [2019-10-07 15:20:41,247 INFO L443 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2019-10-07 15:20:41,247 INFO L443 ceAbstractionStarter]: For program point L138(line 138) no Hoare annotation was computed. [2019-10-07 15:20:41,247 INFO L443 ceAbstractionStarter]: For program point L137(line 137) no Hoare annotation was computed. [2019-10-07 15:20:41,247 INFO L443 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2019-10-07 15:20:41,247 INFO L443 ceAbstractionStarter]: For program point L135(line 135) no Hoare annotation was computed. [2019-10-07 15:20:41,247 INFO L443 ceAbstractionStarter]: For program point L134(line 134) no Hoare annotation was computed. [2019-10-07 15:20:41,247 INFO L443 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2019-10-07 15:20:41,247 INFO L443 ceAbstractionStarter]: For program point L132(line 132) no Hoare annotation was computed. [2019-10-07 15:20:41,247 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 599 605) no Hoare annotation was computed. [2019-10-07 15:20:41,248 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 599 605) the Hoare annotation is: true [2019-10-07 15:20:41,248 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__baseEXIT(lines 632 639) no Hoare annotation was computed. [2019-10-07 15:20:41,248 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__baseENTRY(lines 632 639) no Hoare annotation was computed. [2019-10-07 15:20:41,248 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 676 684) no Hoare annotation was computed. [2019-10-07 15:20:41,248 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 676 684) the Hoare annotation is: true [2019-10-07 15:20:41,248 INFO L443 ceAbstractionStarter]: For program point L715(line 715) no Hoare annotation was computed. [2019-10-07 15:20:41,248 INFO L443 ceAbstractionStarter]: For program point L715-1(line 715) no Hoare annotation was computed. [2019-10-07 15:20:41,248 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 685 720) no Hoare annotation was computed. [2019-10-07 15:20:41,249 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 685 720) no Hoare annotation was computed. [2019-10-07 15:20:41,250 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 888 894) no Hoare annotation was computed. [2019-10-07 15:20:41,250 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 888 894) the Hoare annotation is: true [2019-10-07 15:20:41,250 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 203 248) no Hoare annotation was computed. [2019-10-07 15:20:41,250 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 203 248) no Hoare annotation was computed. [2019-10-07 15:20:41,250 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 516 561) no Hoare annotation was computed. [2019-10-07 15:20:41,250 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 516 561) no Hoare annotation was computed. [2019-10-07 15:20:41,250 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 159 169) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:41,251 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 159 169) no Hoare annotation was computed. [2019-10-07 15:20:41,251 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 159 169) no Hoare annotation was computed. [2019-10-07 15:20:41,251 INFO L439 ceAbstractionStarter]: At program point L164(line 164) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:41,251 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 665 675) the Hoare annotation is: true [2019-10-07 15:20:41,251 INFO L446 ceAbstractionStarter]: At program point L670(line 670) the Hoare annotation is: true [2019-10-07 15:20:41,251 INFO L443 ceAbstractionStarter]: For program point L670-1(line 670) no Hoare annotation was computed. [2019-10-07 15:20:41,251 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 665 675) no Hoare annotation was computed. [2019-10-07 15:20:41,251 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 657 664) the Hoare annotation is: true [2019-10-07 15:20:41,252 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 657 664) no Hoare annotation was computed. [2019-10-07 15:20:41,252 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 607 631) no Hoare annotation was computed. [2019-10-07 15:20:41,252 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 607 631) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-07 15:20:41,252 INFO L439 ceAbstractionStarter]: At program point L626(line 626) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-07 15:20:41,252 INFO L443 ceAbstractionStarter]: For program point L626-1(lines 607 631) no Hoare annotation was computed. [2019-10-07 15:20:41,252 INFO L439 ceAbstractionStarter]: At program point L621(line 621) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-07 15:20:41,252 INFO L439 ceAbstractionStarter]: At program point L617(line 617) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-07 15:20:41,252 INFO L443 ceAbstractionStarter]: For program point L615(lines 615 623) no Hoare annotation was computed. [2019-10-07 15:20:41,253 INFO L439 ceAbstractionStarter]: At program point L613(line 613) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-07 15:20:41,253 INFO L443 ceAbstractionStarter]: For program point L613-1(line 613) no Hoare annotation was computed. [2019-10-07 15:20:41,253 INFO L443 ceAbstractionStarter]: For program point L611(lines 611 628) no Hoare annotation was computed. [2019-10-07 15:20:41,253 INFO L439 ceAbstractionStarter]: At program point L865(lines 820 867) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:41,253 INFO L439 ceAbstractionStarter]: At program point L832(line 832) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:41,253 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 810 875) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:41,253 INFO L443 ceAbstractionStarter]: For program point L830(lines 830 836) no Hoare annotation was computed. [2019-10-07 15:20:41,254 INFO L443 ceAbstractionStarter]: For program point L830-1(lines 830 836) no Hoare annotation was computed. [2019-10-07 15:20:41,254 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 810 875) no Hoare annotation was computed. [2019-10-07 15:20:41,254 INFO L439 ceAbstractionStarter]: At program point L868(lines 819 869) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:41,254 INFO L439 ceAbstractionStarter]: At program point L858-2(lines 850 863) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:41,254 INFO L443 ceAbstractionStarter]: For program point L821(lines 820 867) no Hoare annotation was computed. [2019-10-07 15:20:41,254 INFO L439 ceAbstractionStarter]: At program point L852(line 852) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:41,254 INFO L443 ceAbstractionStarter]: For program point L850(lines 850 863) no Hoare annotation was computed. [2019-10-07 15:20:41,254 INFO L439 ceAbstractionStarter]: At program point L842(line 842) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:41,255 INFO L443 ceAbstractionStarter]: For program point L840(lines 840 846) no Hoare annotation was computed. [2019-10-07 15:20:41,255 INFO L443 ceAbstractionStarter]: For program point L840-1(lines 840 846) no Hoare annotation was computed. [2019-10-07 15:20:41,255 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 810 875) no Hoare annotation was computed. [2019-10-07 15:20:41,255 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 470 515) no Hoare annotation was computed. [2019-10-07 15:20:41,255 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 470 515) no Hoare annotation was computed. [2019-10-07 15:20:41,255 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 777 799) no Hoare annotation was computed. [2019-10-07 15:20:41,255 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 777 799) no Hoare annotation was computed. [2019-10-07 15:20:41,255 INFO L443 ceAbstractionStarter]: For program point L417(lines 416 436) no Hoare annotation was computed. [2019-10-07 15:20:41,255 INFO L443 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2019-10-07 15:20:41,256 INFO L443 ceAbstractionStarter]: For program point L448-1(line 448) no Hoare annotation was computed. [2019-10-07 15:20:41,256 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 367 469) no Hoare annotation was computed. [2019-10-07 15:20:41,256 INFO L443 ceAbstractionStarter]: For program point L413(lines 413 454) no Hoare annotation was computed. [2019-10-07 15:20:41,256 INFO L443 ceAbstractionStarter]: For program point L432(line 432) no Hoare annotation was computed. [2019-10-07 15:20:41,256 INFO L443 ceAbstractionStarter]: For program point L432-1(line 432) no Hoare annotation was computed. [2019-10-07 15:20:41,256 INFO L443 ceAbstractionStarter]: For program point L391(lines 391 395) no Hoare annotation was computed. [2019-10-07 15:20:41,257 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 367 469) no Hoare annotation was computed. [2019-10-07 15:20:41,257 INFO L443 ceAbstractionStarter]: For program point L416-2(lines 416 436) no Hoare annotation was computed. [2019-10-07 15:20:41,257 INFO L443 ceAbstractionStarter]: For program point L437(lines 415 438) no Hoare annotation was computed. [2019-10-07 15:20:41,257 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 367 469) no Hoare annotation was computed. [2019-10-07 15:20:41,257 INFO L443 ceAbstractionStarter]: For program point L396(lines 396 412) no Hoare annotation was computed. [2019-10-07 15:20:41,257 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 878 887) no Hoare annotation was computed. [2019-10-07 15:20:41,258 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 878 887) no Hoare annotation was computed. [2019-10-07 15:20:41,258 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-07 15:20:41,258 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:20:41,258 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 640 656) no Hoare annotation was computed. [2019-10-07 15:20:41,258 INFO L443 ceAbstractionStarter]: For program point L651(line 651) no Hoare annotation was computed. [2019-10-07 15:20:41,258 INFO L443 ceAbstractionStarter]: For program point L651-1(lines 640 656) no Hoare annotation was computed. [2019-10-07 15:20:41,258 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 640 656) no Hoare annotation was computed. [2019-10-07 15:20:41,259 INFO L443 ceAbstractionStarter]: For program point L647(lines 647 653) no Hoare annotation was computed. [2019-10-07 15:20:41,259 INFO L443 ceAbstractionStarter]: For program point L645(line 645) no Hoare annotation was computed. [2019-10-07 15:20:41,259 INFO L443 ceAbstractionStarter]: For program point L645-1(line 645) no Hoare annotation was computed. [2019-10-07 15:20:41,259 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 800 808) the Hoare annotation is: true [2019-10-07 15:20:41,259 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 800 808) no Hoare annotation was computed. [2019-10-07 15:20:41,260 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 756 767) the Hoare annotation is: true [2019-10-07 15:20:41,260 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 756 767) no Hoare annotation was computed. [2019-10-07 15:20:41,260 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:20:41,260 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-07 15:20:41,260 INFO L443 ceAbstractionStarter]: For program point L577(lines 575 597) no Hoare annotation was computed. [2019-10-07 15:20:41,260 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 572 598) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-07 15:20:41,260 INFO L439 ceAbstractionStarter]: At program point L588(line 588) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-07 15:20:41,260 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 572 598) no Hoare annotation was computed. [2019-10-07 15:20:41,261 INFO L439 ceAbstractionStarter]: At program point L586(lines 586 592) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-07 15:20:41,261 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 572 598) no Hoare annotation was computed. [2019-10-07 15:20:41,261 INFO L439 ceAbstractionStarter]: At program point L581(line 581) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-07 15:20:41,261 INFO L443 ceAbstractionStarter]: For program point L579(lines 575 597) no Hoare annotation was computed. [2019-10-07 15:20:41,261 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 94 123) no Hoare annotation was computed. [2019-10-07 15:20:41,261 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 94 123) the Hoare annotation is: true [2019-10-07 15:20:41,263 INFO L446 ceAbstractionStarter]: At program point L119(lines 94 123) the Hoare annotation is: true [2019-10-07 15:20:41,263 INFO L443 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2019-10-07 15:20:41,263 INFO L443 ceAbstractionStarter]: For program point L108(lines 108 112) no Hoare annotation was computed. [2019-10-07 15:20:41,263 INFO L446 ceAbstractionStarter]: At program point L108-1(lines 108 112) the Hoare annotation is: true [2019-10-07 15:20:41,264 INFO L446 ceAbstractionStarter]: At program point L104-2(lines 104 118) the Hoare annotation is: true [2019-10-07 15:20:41,264 INFO L446 ceAbstractionStarter]: At program point L100(line 100) the Hoare annotation is: true [2019-10-07 15:20:41,264 INFO L443 ceAbstractionStarter]: For program point L100-1(line 100) no Hoare annotation was computed. [2019-10-07 15:20:41,264 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 768 776) the Hoare annotation is: true [2019-10-07 15:20:41,265 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 768 776) no Hoare annotation was computed. [2019-10-07 15:20:41,265 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 732 743) the Hoare annotation is: true [2019-10-07 15:20:41,265 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 732 743) no Hoare annotation was computed. [2019-10-07 15:20:41,265 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 151 157) no Hoare annotation was computed. [2019-10-07 15:20:41,265 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 151 157) the Hoare annotation is: true [2019-10-07 15:20:41,265 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:20:41,265 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2019-10-07 15:20:41,265 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-07 15:20:41,266 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-07 15:20:41,266 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 721 728) no Hoare annotation was computed. [2019-10-07 15:20:41,266 INFO L439 ceAbstractionStarter]: At program point startSystemENTRY(lines 721 728) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 1 ~systemActive~0) (not (= |old(~systemActive~0)| 1))) [2019-10-07 15:20:41,266 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 744 755) no Hoare annotation was computed. [2019-10-07 15:20:41,266 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 744 755) the Hoare annotation is: true [2019-10-07 15:20:41,266 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 916) no Hoare annotation was computed. [2019-10-07 15:20:41,267 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 912 919) the Hoare annotation is: true [2019-10-07 15:20:41,267 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 912 919) no Hoare annotation was computed. [2019-10-07 15:20:41,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.10 03:20:41 BoogieIcfgContainer [2019-10-07 15:20:41,299 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-07 15:20:41,307 INFO L168 Benchmark]: Toolchain (without parser) took 4834.13 ms. Allocated memory was 146.3 MB in the beginning and 247.5 MB in the end (delta: 101.2 MB). Free memory was 103.0 MB in the beginning and 156.2 MB in the end (delta: -53.1 MB). Peak memory consumption was 115.4 MB. Max. memory is 7.1 GB. [2019-10-07 15:20:41,309 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 146.3 MB. Free memory was 122.7 MB in the beginning and 122.4 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-07 15:20:41,311 INFO L168 Benchmark]: CACSL2BoogieTranslator took 623.42 ms. Allocated memory was 146.3 MB in the beginning and 203.9 MB in the end (delta: 57.7 MB). Free memory was 102.8 MB in the beginning and 171.4 MB in the end (delta: -68.6 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. [2019-10-07 15:20:41,312 INFO L168 Benchmark]: Boogie Preprocessor took 89.72 ms. Allocated memory is still 203.9 MB. Free memory was 171.4 MB in the beginning and 167.1 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-10-07 15:20:41,314 INFO L168 Benchmark]: RCFGBuilder took 1619.97 ms. Allocated memory was 203.9 MB in the beginning and 237.0 MB in the end (delta: 33.0 MB). Free memory was 167.1 MB in the beginning and 150.3 MB in the end (delta: 16.8 MB). Peak memory consumption was 81.2 MB. Max. memory is 7.1 GB. [2019-10-07 15:20:41,315 INFO L168 Benchmark]: TraceAbstraction took 2496.67 ms. Allocated memory was 237.0 MB in the beginning and 247.5 MB in the end (delta: 10.5 MB). Free memory was 150.3 MB in the beginning and 156.2 MB in the end (delta: -5.9 MB). Peak memory consumption was 72.0 MB. Max. memory is 7.1 GB. [2019-10-07 15:20:41,320 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 146.3 MB. Free memory was 122.7 MB in the beginning and 122.4 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 623.42 ms. Allocated memory was 146.3 MB in the beginning and 203.9 MB in the end (delta: 57.7 MB). Free memory was 102.8 MB in the beginning and 171.4 MB in the end (delta: -68.6 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 89.72 ms. Allocated memory is still 203.9 MB. Free memory was 171.4 MB in the beginning and 167.1 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1619.97 ms. Allocated memory was 203.9 MB in the beginning and 237.0 MB in the end (delta: 33.0 MB). Free memory was 167.1 MB in the beginning and 150.3 MB in the end (delta: 16.8 MB). Peak memory consumption was 81.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2496.67 ms. Allocated memory was 237.0 MB in the beginning and 247.5 MB in the end (delta: 10.5 MB). Free memory was 150.3 MB in the beginning and 156.2 MB in the end (delta: -5.9 MB). Peak memory consumption was 72.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 916]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 819]: Loop Invariant Derived loop invariant: !(0 == \old(pumpRunning)) || !(\old(systemActive) == 1) - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 820]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || ((1 == systemActive && 0 == splverifierCounter) && pumpRunning == 0)) || !(\old(systemActive) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 179 locations, 1 error locations. Result: SAFE, OverallTime: 2.4s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, HoareTripleCheckerStatistics: 382 SDtfs, 200 SDslu, 385 SDs, 0 SdLazy, 267 SolverSat, 109 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=140occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 175 PreInvPairs, 183 NumberOfFragments, 407 HoareAnnotationTreeSize, 175 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 54 FomulaSimplificationsInter, 336 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 225 NumberOfCodeBlocks, 225 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 221 ConstructedInterpolants, 0 QuantifiedInterpolants, 21051 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 8/8 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...