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_spec4_product25.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 15:19:10,903 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 15:19:10,906 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 15:19:10,924 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 15:19:10,924 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 15:19:10,926 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 15:19:10,928 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 15:19:10,937 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 15:19:10,942 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 15:19:10,945 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 15:19:10,947 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 15:19:10,948 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 15:19:10,949 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 15:19:10,950 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 15:19:10,953 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 15:19:10,954 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 15:19:10,956 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 15:19:10,958 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 15:19:10,959 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 15:19:10,964 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 15:19:10,968 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 15:19:10,971 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 15:19:10,974 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 15:19:10,975 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 15:19:10,977 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 15:19:10,978 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 15:19:10,978 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 15:19:10,979 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 15:19:10,981 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 15:19:10,982 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 15:19:10,982 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 15:19:10,984 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 15:19:10,985 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 15:19:10,986 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 15:19:10,987 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 15:19:10,987 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 15:19:10,988 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 15:19:10,988 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 15:19:10,988 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 15:19:10,989 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 15:19:10,991 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 15:19:10,991 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 15:19:11,010 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 15:19:11,011 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 15:19:11,012 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 15:19:11,012 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 15:19:11,012 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 15:19:11,013 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 15:19:11,013 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 15:19:11,013 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 15:19:11,013 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 15:19:11,013 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 15:19:11,014 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 15:19:11,014 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 15:19:11,014 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 15:19:11,014 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 15:19:11,014 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 15:19:11,014 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 15:19:11,015 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 15:19:11,015 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 15:19:11,015 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 15:19:11,015 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 15:19:11,015 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 15:19:11,016 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:19:11,016 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 15:19:11,016 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 15:19:11,016 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 15:19:11,016 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 15:19:11,017 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 15:19:11,017 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 15:19:11,017 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 15:19:11,317 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 15:19:11,330 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 15:19:11,334 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 15:19:11,335 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 15:19:11,336 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 15:19:11,337 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product25.cil.c [2019-10-07 15:19:11,416 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1038fd558/36fb0459823344c69d89ca017f1f1f5e/FLAGcc965ccf8 [2019-10-07 15:19:11,980 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 15:19:11,980 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product25.cil.c [2019-10-07 15:19:11,992 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1038fd558/36fb0459823344c69d89ca017f1f1f5e/FLAGcc965ccf8 [2019-10-07 15:19:12,277 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1038fd558/36fb0459823344c69d89ca017f1f1f5e [2019-10-07 15:19:12,289 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 15:19:12,290 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 15:19:12,291 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 15:19:12,292 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 15:19:12,295 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 15:19:12,296 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:19:12" (1/1) ... [2019-10-07 15:19:12,300 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4caf3c15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:12, skipping insertion in model container [2019-10-07 15:19:12,300 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:19:12" (1/1) ... [2019-10-07 15:19:12,308 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 15:19:12,366 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 15:19:12,827 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:19:12,856 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 15:19:12,940 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:19:12,973 INFO L192 MainTranslator]: Completed translation [2019-10-07 15:19:12,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:12 WrapperNode [2019-10-07 15:19:12,974 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 15:19:12,975 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 15:19:12,975 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 15:19:12,975 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 15:19:12,989 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:12" (1/1) ... [2019-10-07 15:19:12,990 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:12" (1/1) ... [2019-10-07 15:19:13,014 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:12" (1/1) ... [2019-10-07 15:19:13,015 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:12" (1/1) ... [2019-10-07 15:19:13,055 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:12" (1/1) ... [2019-10-07 15:19:13,070 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:12" (1/1) ... [2019-10-07 15:19:13,074 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:12" (1/1) ... [2019-10-07 15:19:13,087 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 15:19:13,090 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 15:19:13,091 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 15:19:13,091 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 15:19:13,092 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:12" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:19:13,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 15:19:13,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 15:19:13,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 15:19:13,179 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 15:19:13,179 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 15:19:13,180 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-07 15:19:13,181 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-07 15:19:13,182 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-07 15:19:13,182 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-07 15:19:13,182 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-07 15:19:13,182 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-07 15:19:13,184 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-07 15:19:13,184 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-07 15:19:13,184 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-07 15:19:13,184 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-07 15:19:13,184 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 15:19:13,187 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 15:19:13,187 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 15:19:13,188 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 15:19:13,188 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-10-07 15:19:13,188 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-07 15:19:13,188 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-07 15:19:13,188 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-07 15:19:13,189 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-07 15:19:13,189 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-07 15:19:13,189 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-07 15:19:13,189 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-07 15:19:13,189 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 15:19:13,189 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 15:19:13,190 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 15:19:13,190 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 15:19:13,190 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 15:19:13,190 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 15:19:13,190 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-07 15:19:13,190 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-07 15:19:13,191 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 15:19:13,191 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-07 15:19:13,191 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 15:19:13,191 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 15:19:13,191 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 15:19:13,191 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 15:19:13,191 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 15:19:13,192 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-07 15:19:13,192 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-07 15:19:13,192 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-07 15:19:13,192 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-07 15:19:13,192 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 15:19:13,192 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-07 15:19:13,192 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-07 15:19:13,193 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-07 15:19:13,193 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-07 15:19:13,193 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-07 15:19:13,193 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-07 15:19:13,193 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-07 15:19:13,193 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-07 15:19:13,193 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-10-07 15:19:13,193 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-07 15:19:13,194 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-07 15:19:13,194 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-07 15:19:13,194 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-07 15:19:13,194 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-07 15:19:13,194 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 15:19:13,195 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 15:19:13,195 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 15:19:13,195 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 15:19:13,195 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 15:19:13,195 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-07 15:19:13,195 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 15:19:13,195 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 15:19:13,196 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 15:19:13,196 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 15:19:13,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 15:19:13,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 15:19:13,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 15:19:13,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 15:19:13,197 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 15:19:13,197 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 15:19:13,197 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 15:19:13,197 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 15:19:13,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 15:19:13,197 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 15:19:13,198 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 15:19:13,198 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 15:19:13,198 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-07 15:19:13,198 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 15:19:13,198 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-07 15:19:13,198 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 15:19:13,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 15:19:13,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 15:19:13,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 15:19:14,832 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 15:19:14,833 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-07 15:19:14,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:19:14 BoogieIcfgContainer [2019-10-07 15:19:14,835 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 15:19:14,837 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 15:19:14,837 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 15:19:14,840 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 15:19:14,841 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:19:12" (1/3) ... [2019-10-07 15:19:14,842 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40910223 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:19:14, skipping insertion in model container [2019-10-07 15:19:14,842 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:19:12" (2/3) ... [2019-10-07 15:19:14,843 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40910223 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:19:14, skipping insertion in model container [2019-10-07 15:19:14,843 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:19:14" (3/3) ... [2019-10-07 15:19:14,845 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product25.cil.c [2019-10-07 15:19:14,857 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 15:19:14,868 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 15:19:14,882 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 15:19:14,920 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 15:19:14,921 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 15:19:14,921 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 15:19:14,921 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 15:19:14,921 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 15:19:14,921 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 15:19:14,922 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 15:19:14,922 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 15:19:14,949 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states. [2019-10-07 15:19:14,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-07 15:19:14,962 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:19:14,964 INFO L385 BasicCegarLoop]: trace histogram [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 15:19:14,967 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:19:14,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:19:14,974 INFO L82 PathProgramCache]: Analyzing trace with hash 300055461, now seen corresponding path program 1 times [2019-10-07 15:19:14,983 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:19:14,983 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:14,984 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:14,985 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:14,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:19:15,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:19:15,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:19:15,358 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:15,359 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:19:15,359 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 15:19:15,363 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 15:19:15,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 15:19:15,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:19:15,379 INFO L87 Difference]: Start difference. First operand 121 states. Second operand 2 states. [2019-10-07 15:19:15,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:19:15,415 INFO L93 Difference]: Finished difference Result 175 states and 210 transitions. [2019-10-07 15:19:15,415 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 15:19:15,417 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 42 [2019-10-07 15:19:15,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:19:15,429 INFO L225 Difference]: With dead ends: 175 [2019-10-07 15:19:15,430 INFO L226 Difference]: Without dead ends: 88 [2019-10-07 15:19:15,434 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 15:19:15,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2019-10-07 15:19:15,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2019-10-07 15:19:15,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2019-10-07 15:19:15,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 99 transitions. [2019-10-07 15:19:15,495 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 99 transitions. Word has length 42 [2019-10-07 15:19:15,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:19:15,495 INFO L462 AbstractCegarLoop]: Abstraction has 88 states and 99 transitions. [2019-10-07 15:19:15,496 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 15:19:15,496 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 99 transitions. [2019-10-07 15:19:15,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-07 15:19:15,499 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:19:15,499 INFO L385 BasicCegarLoop]: trace histogram [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 15:19:15,499 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:19:15,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:19:15,500 INFO L82 PathProgramCache]: Analyzing trace with hash -92307311, now seen corresponding path program 1 times [2019-10-07 15:19:15,500 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:19:15,500 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:15,501 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:15,501 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:15,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:19:15,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:19:15,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:19:15,599 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:15,599 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:19:15,600 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:19:15,602 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:19:15,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:19:15,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:19:15,603 INFO L87 Difference]: Start difference. First operand 88 states and 99 transitions. Second operand 3 states. [2019-10-07 15:19:15,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:19:15,621 INFO L93 Difference]: Finished difference Result 133 states and 149 transitions. [2019-10-07 15:19:15,621 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:19:15,621 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2019-10-07 15:19:15,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:19:15,623 INFO L225 Difference]: With dead ends: 133 [2019-10-07 15:19:15,624 INFO L226 Difference]: Without dead ends: 80 [2019-10-07 15:19:15,625 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 15:19:15,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2019-10-07 15:19:15,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2019-10-07 15:19:15,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2019-10-07 15:19:15,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 88 transitions. [2019-10-07 15:19:15,638 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 88 transitions. Word has length 43 [2019-10-07 15:19:15,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:19:15,638 INFO L462 AbstractCegarLoop]: Abstraction has 80 states and 88 transitions. [2019-10-07 15:19:15,639 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:19:15,639 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 88 transitions. [2019-10-07 15:19:15,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-10-07 15:19:15,641 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:19:15,641 INFO L385 BasicCegarLoop]: trace histogram [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 15:19:15,641 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:19:15,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:19:15,642 INFO L82 PathProgramCache]: Analyzing trace with hash -710808915, now seen corresponding path program 1 times [2019-10-07 15:19:15,642 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:19:15,642 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:15,642 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:15,643 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:15,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:19:15,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:19:15,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:19:15,822 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:15,822 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:19:15,822 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:19:15,823 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:19:15,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:19:15,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:19:15,824 INFO L87 Difference]: Start difference. First operand 80 states and 88 transitions. Second operand 7 states. [2019-10-07 15:19:16,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:19:16,149 INFO L93 Difference]: Finished difference Result 138 states and 155 transitions. [2019-10-07 15:19:16,149 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 15:19:16,150 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 45 [2019-10-07 15:19:16,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:19:16,151 INFO L225 Difference]: With dead ends: 138 [2019-10-07 15:19:16,152 INFO L226 Difference]: Without dead ends: 80 [2019-10-07 15:19:16,153 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 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 15:19:16,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2019-10-07 15:19:16,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2019-10-07 15:19:16,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2019-10-07 15:19:16,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 87 transitions. [2019-10-07 15:19:16,164 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 87 transitions. Word has length 45 [2019-10-07 15:19:16,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:19:16,164 INFO L462 AbstractCegarLoop]: Abstraction has 80 states and 87 transitions. [2019-10-07 15:19:16,164 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:19:16,164 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 87 transitions. [2019-10-07 15:19:16,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-07 15:19:16,166 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:19:16,166 INFO L385 BasicCegarLoop]: trace histogram [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 15:19:16,167 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:19:16,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:19:16,167 INFO L82 PathProgramCache]: Analyzing trace with hash -121713276, now seen corresponding path program 1 times [2019-10-07 15:19:16,167 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:19:16,167 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:16,168 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:16,168 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:16,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:19:16,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:19:16,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:19:16,322 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:16,322 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:19:16,322 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-07 15:19:16,323 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-07 15:19:16,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-07 15:19:16,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-10-07 15:19:16,324 INFO L87 Difference]: Start difference. First operand 80 states and 87 transitions. Second operand 10 states. [2019-10-07 15:19:16,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:19:16,823 INFO L93 Difference]: Finished difference Result 237 states and 274 transitions. [2019-10-07 15:19:16,824 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-07 15:19:16,824 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 53 [2019-10-07 15:19:16,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:19:16,828 INFO L225 Difference]: With dead ends: 237 [2019-10-07 15:19:16,828 INFO L226 Difference]: Without dead ends: 179 [2019-10-07 15:19:16,829 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2019-10-07 15:19:16,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2019-10-07 15:19:16,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 171. [2019-10-07 15:19:16,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2019-10-07 15:19:16,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 192 transitions. [2019-10-07 15:19:16,860 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 192 transitions. Word has length 53 [2019-10-07 15:19:16,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:19:16,861 INFO L462 AbstractCegarLoop]: Abstraction has 171 states and 192 transitions. [2019-10-07 15:19:16,861 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-07 15:19:16,861 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 192 transitions. [2019-10-07 15:19:16,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-10-07 15:19:16,865 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:19:16,865 INFO L385 BasicCegarLoop]: trace histogram [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 15:19:16,868 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:19:16,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:19:16,869 INFO L82 PathProgramCache]: Analyzing trace with hash -1529518893, now seen corresponding path program 1 times [2019-10-07 15:19:16,869 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:19:16,869 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:16,869 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:16,869 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:16,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:19:16,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:19:16,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:19:16,977 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:16,977 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:19:16,978 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:19:16,978 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:19:16,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:19:16,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:19:16,979 INFO L87 Difference]: Start difference. First operand 171 states and 192 transitions. Second operand 3 states. [2019-10-07 15:19:17,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:19:17,002 INFO L93 Difference]: Finished difference Result 278 states and 320 transitions. [2019-10-07 15:19:17,004 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:19:17,004 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 59 [2019-10-07 15:19:17,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:19:17,006 INFO L225 Difference]: With dead ends: 278 [2019-10-07 15:19:17,006 INFO L226 Difference]: Without dead ends: 129 [2019-10-07 15:19:17,010 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 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 15:19:17,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2019-10-07 15:19:17,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2019-10-07 15:19:17,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2019-10-07 15:19:17,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 136 transitions. [2019-10-07 15:19:17,037 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 136 transitions. Word has length 59 [2019-10-07 15:19:17,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:19:17,037 INFO L462 AbstractCegarLoop]: Abstraction has 129 states and 136 transitions. [2019-10-07 15:19:17,038 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:19:17,038 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 136 transitions. [2019-10-07 15:19:17,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-10-07 15:19:17,044 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:19:17,044 INFO L385 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-10-07 15:19:17,045 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:19:17,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:19:17,074 INFO L82 PathProgramCache]: Analyzing trace with hash -1980279582, now seen corresponding path program 1 times [2019-10-07 15:19:17,075 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:19:17,075 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:17,075 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:17,075 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:19:17,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:19:17,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:19:17,367 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-07 15:19:17,367 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:19:17,367 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 15:19:17,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:19:17,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:19:17,556 INFO L256 TraceCheckSpWp]: Trace formula consists of 734 conjuncts, 11 conjunts are in the unsatisfiable core [2019-10-07 15:19:17,567 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 15:19:17,666 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-10-07 15:19:17,667 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 15:19:17,868 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-10-07 15:19:17,868 INFO L211 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-07 15:19:17,868 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [15] total 20 [2019-10-07 15:19:17,869 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:19:17,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:19:17,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2019-10-07 15:19:17,870 INFO L87 Difference]: Start difference. First operand 129 states and 136 transitions. Second operand 7 states. [2019-10-07 15:19:18,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:19:18,113 INFO L93 Difference]: Finished difference Result 131 states and 138 transitions. [2019-10-07 15:19:18,113 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 15:19:18,113 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 87 [2019-10-07 15:19:18,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:19:18,114 INFO L225 Difference]: With dead ends: 131 [2019-10-07 15:19:18,114 INFO L226 Difference]: Without dead ends: 0 [2019-10-07 15:19:18,115 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 177 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=401, Unknown=0, NotChecked=0, Total=462 [2019-10-07 15:19:18,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-07 15:19:18,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-07 15:19:18,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-07 15:19:18,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-07 15:19:18,117 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 87 [2019-10-07 15:19:18,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:19:18,117 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-07 15:19:18,117 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:19:18,117 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-07 15:19:18,117 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-07 15:19:18,324 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:19:18,330 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-07 15:19:19,151 INFO L443 ceAbstractionStarter]: For program point L534(lines 534 538) no Hoare annotation was computed. [2019-10-07 15:19:19,151 INFO L443 ceAbstractionStarter]: For program point L528-2(lines 528 549) no Hoare annotation was computed. [2019-10-07 15:19:19,151 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 503 558) no Hoare annotation was computed. [2019-10-07 15:19:19,151 INFO L443 ceAbstractionStarter]: For program point L550(lines 527 551) no Hoare annotation was computed. [2019-10-07 15:19:19,151 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 503 558) no Hoare annotation was computed. [2019-10-07 15:19:19,152 INFO L443 ceAbstractionStarter]: For program point L604(line 604) no Hoare annotation was computed. [2019-10-07 15:19:19,152 INFO L443 ceAbstractionStarter]: For program point L604-1(line 604) no Hoare annotation was computed. [2019-10-07 15:19:19,152 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 559 618) no Hoare annotation was computed. [2019-10-07 15:19:19,152 INFO L443 ceAbstractionStarter]: For program point L591(lines 591 595) no Hoare annotation was computed. [2019-10-07 15:19:19,152 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 559 618) no Hoare annotation was computed. [2019-10-07 15:19:19,152 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 559 618) no Hoare annotation was computed. [2019-10-07 15:19:19,152 INFO L443 ceAbstractionStarter]: For program point L585-2(lines 585 610) no Hoare annotation was computed. [2019-10-07 15:19:19,152 INFO L443 ceAbstractionStarter]: For program point L611(lines 584 612) no Hoare annotation was computed. [2019-10-07 15:19:19,153 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 318 324) the Hoare annotation is: true [2019-10-07 15:19:19,153 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 318 324) no Hoare annotation was computed. [2019-10-07 15:19:19,153 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 325 333) no Hoare annotation was computed. [2019-10-07 15:19:19,153 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 325 333) the Hoare annotation is: true [2019-10-07 15:19:19,154 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 336 360) the Hoare annotation is: true [2019-10-07 15:19:19,154 INFO L439 ceAbstractionStarter]: At program point L350(line 350) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2019-10-07 15:19:19,154 INFO L443 ceAbstractionStarter]: For program point L348(lines 348 354) no Hoare annotation was computed. [2019-10-07 15:19:19,154 INFO L439 ceAbstractionStarter]: At program point L346(line 346) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~waterLevel~0 0) (not (= ~systemActive~0 1))) [2019-10-07 15:19:19,154 INFO L443 ceAbstractionStarter]: For program point L346-1(line 346) no Hoare annotation was computed. [2019-10-07 15:19:19,155 INFO L443 ceAbstractionStarter]: For program point L344(lines 344 357) no Hoare annotation was computed. [2019-10-07 15:19:19,155 INFO L443 ceAbstractionStarter]: For program point L344-1(lines 336 360) no Hoare annotation was computed. [2019-10-07 15:19:19,155 INFO L446 ceAbstractionStarter]: At program point L342(line 342) the Hoare annotation is: true [2019-10-07 15:19:19,155 INFO L443 ceAbstractionStarter]: For program point L342-1(line 342) no Hoare annotation was computed. [2019-10-07 15:19:19,155 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 336 360) no Hoare annotation was computed. [2019-10-07 15:19:19,155 INFO L443 ceAbstractionStarter]: For program point L897(line 897) no Hoare annotation was computed. [2019-10-07 15:19:19,156 INFO L439 ceAbstractionStarter]: At program point L896(line 896) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:19:19,156 INFO L439 ceAbstractionStarter]: At program point L895(line 895) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:19:19,156 INFO L439 ceAbstractionStarter]: At program point L895-1(line 895) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:19:19,157 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 889 911) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:19:19,157 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 889 911) no Hoare annotation was computed. [2019-10-07 15:19:19,157 INFO L439 ceAbstractionStarter]: At program point L901(line 901) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (and (= 1 ~waterLevel~0) (= main_~tmp~8 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-10-07 15:19:19,157 INFO L439 ceAbstractionStarter]: At program point L901-1(line 901) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (and (= 1 ~waterLevel~0) (= main_~tmp~8 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-10-07 15:19:19,157 INFO L443 ceAbstractionStarter]: For program point L899(lines 899 906) no Hoare annotation was computed. [2019-10-07 15:19:19,158 INFO L443 ceAbstractionStarter]: For program point L899-1(lines 899 906) no Hoare annotation was computed. [2019-10-07 15:19:19,158 INFO L443 ceAbstractionStarter]: For program point L865(line 865) no Hoare annotation was computed. [2019-10-07 15:19:19,158 INFO L443 ceAbstractionStarter]: For program point L864(line 864) no Hoare annotation was computed. [2019-10-07 15:19:19,158 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 848 871) no Hoare annotation was computed. [2019-10-07 15:19:19,158 INFO L443 ceAbstractionStarter]: For program point L863(line 863) no Hoare annotation was computed. [2019-10-07 15:19:19,159 INFO L443 ceAbstractionStarter]: For program point L862(line 862) no Hoare annotation was computed. [2019-10-07 15:19:19,159 INFO L443 ceAbstractionStarter]: For program point L861(line 861) no Hoare annotation was computed. [2019-10-07 15:19:19,159 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 848 871) no Hoare annotation was computed. [2019-10-07 15:19:19,159 INFO L443 ceAbstractionStarter]: For program point L860(line 860) no Hoare annotation was computed. [2019-10-07 15:19:19,159 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 848 871) no Hoare annotation was computed. [2019-10-07 15:19:19,159 INFO L443 ceAbstractionStarter]: For program point L859(line 859) no Hoare annotation was computed. [2019-10-07 15:19:19,160 INFO L443 ceAbstractionStarter]: For program point L858(line 858) no Hoare annotation was computed. [2019-10-07 15:19:19,160 INFO L443 ceAbstractionStarter]: For program point L857(line 857) no Hoare annotation was computed. [2019-10-07 15:19:19,160 INFO L443 ceAbstractionStarter]: For program point L856(line 856) no Hoare annotation was computed. [2019-10-07 15:19:19,160 INFO L443 ceAbstractionStarter]: For program point L855(line 855) no Hoare annotation was computed. [2019-10-07 15:19:19,160 INFO L443 ceAbstractionStarter]: For program point L854(line 854) no Hoare annotation was computed. [2019-10-07 15:19:19,160 INFO L443 ceAbstractionStarter]: For program point L853(line 853) no Hoare annotation was computed. [2019-10-07 15:19:19,161 INFO L443 ceAbstractionStarter]: For program point L866(line 866) no Hoare annotation was computed. [2019-10-07 15:19:19,161 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 232 240) no Hoare annotation was computed. [2019-10-07 15:19:19,161 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 232 240) the Hoare annotation is: true [2019-10-07 15:19:19,161 INFO L446 ceAbstractionStarter]: At program point L284(line 284) the Hoare annotation is: true [2019-10-07 15:19:19,161 INFO L443 ceAbstractionStarter]: For program point L284-1(line 284) no Hoare annotation was computed. [2019-10-07 15:19:19,161 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 277 295) the Hoare annotation is: true [2019-10-07 15:19:19,162 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 277 295) no Hoare annotation was computed. [2019-10-07 15:19:19,162 INFO L443 ceAbstractionStarter]: For program point L271(line 271) no Hoare annotation was computed. [2019-10-07 15:19:19,162 INFO L443 ceAbstractionStarter]: For program point L271-1(line 271) no Hoare annotation was computed. [2019-10-07 15:19:19,162 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 241 276) no Hoare annotation was computed. [2019-10-07 15:19:19,162 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 241 276) no Hoare annotation was computed. [2019-10-07 15:19:19,162 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 311 317) no Hoare annotation was computed. [2019-10-07 15:19:19,163 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 311 317) the Hoare annotation is: true [2019-10-07 15:19:19,163 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 457 502) no Hoare annotation was computed. [2019-10-07 15:19:19,163 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 457 502) no Hoare annotation was computed. [2019-10-07 15:19:19,163 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 770 815) no Hoare annotation was computed. [2019-10-07 15:19:19,163 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 770 815) no Hoare annotation was computed. [2019-10-07 15:19:19,164 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 879 888) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:19:19,164 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 879 888) no Hoare annotation was computed. [2019-10-07 15:19:19,164 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 879 888) no Hoare annotation was computed. [2019-10-07 15:19:19,164 INFO L443 ceAbstractionStarter]: For program point L226-1(line 226) no Hoare annotation was computed. [2019-10-07 15:19:19,164 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 221 231) no Hoare annotation was computed. [2019-10-07 15:19:19,164 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 221 231) no Hoare annotation was computed. [2019-10-07 15:19:19,165 INFO L443 ceAbstractionStarter]: For program point L226(line 226) no Hoare annotation was computed. [2019-10-07 15:19:19,165 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 213 220) the Hoare annotation is: true [2019-10-07 15:19:19,165 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 213 220) no Hoare annotation was computed. [2019-10-07 15:19:19,165 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 162 186) no Hoare annotation was computed. [2019-10-07 15:19:19,165 INFO L439 ceAbstractionStarter]: At program point L181(line 181) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (= ~pumpRunning~0 0)) [2019-10-07 15:19:19,166 INFO L443 ceAbstractionStarter]: For program point L181-1(lines 162 186) no Hoare annotation was computed. [2019-10-07 15:19:19,166 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 162 186) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (= ~pumpRunning~0 0)) [2019-10-07 15:19:19,166 INFO L439 ceAbstractionStarter]: At program point L176(line 176) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-07 15:19:19,166 INFO L439 ceAbstractionStarter]: At program point L172(line 172) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-07 15:19:19,166 INFO L443 ceAbstractionStarter]: For program point L170(lines 170 178) no Hoare annotation was computed. [2019-10-07 15:19:19,167 INFO L439 ceAbstractionStarter]: At program point L168(line 168) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-07 15:19:19,167 INFO L443 ceAbstractionStarter]: For program point L168-1(line 168) no Hoare annotation was computed. [2019-10-07 15:19:19,167 INFO L443 ceAbstractionStarter]: For program point L166(lines 166 183) no Hoare annotation was computed. [2019-10-07 15:19:19,167 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 154 160) no Hoare annotation was computed. [2019-10-07 15:19:19,167 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 154 160) the Hoare annotation is: true [2019-10-07 15:19:19,167 INFO L439 ceAbstractionStarter]: At program point L99-2(lines 93 104) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0))) [2019-10-07 15:19:19,168 INFO L443 ceAbstractionStarter]: For program point L64(lines 63 108) no Hoare annotation was computed. [2019-10-07 15:19:19,168 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 53 116) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:19:19,168 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 53 116) no Hoare annotation was computed. [2019-10-07 15:19:19,168 INFO L439 ceAbstractionStarter]: At program point L85(line 85) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0))) [2019-10-07 15:19:19,168 INFO L443 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2019-10-07 15:19:19,169 INFO L443 ceAbstractionStarter]: For program point L83-1(lines 83 89) no Hoare annotation was computed. [2019-10-07 15:19:19,169 INFO L439 ceAbstractionStarter]: At program point L75(line 75) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0))) [2019-10-07 15:19:19,169 INFO L439 ceAbstractionStarter]: At program point L106(lines 63 108) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0))) [2019-10-07 15:19:19,169 INFO L443 ceAbstractionStarter]: For program point L73(lines 73 79) no Hoare annotation was computed. [2019-10-07 15:19:19,169 INFO L443 ceAbstractionStarter]: For program point L73-1(lines 73 79) no Hoare annotation was computed. [2019-10-07 15:19:19,170 INFO L439 ceAbstractionStarter]: At program point L109(lines 62 110) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:19:19,170 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 53 116) no Hoare annotation was computed. [2019-10-07 15:19:19,170 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 724 769) no Hoare annotation was computed. [2019-10-07 15:19:19,170 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 724 769) no Hoare annotation was computed. [2019-10-07 15:19:19,170 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 187 194) no Hoare annotation was computed. [2019-10-07 15:19:19,171 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 187 194) no Hoare annotation was computed. [2019-10-07 15:19:19,171 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 441 449) the Hoare annotation is: true [2019-10-07 15:19:19,171 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 441 449) no Hoare annotation was computed. [2019-10-07 15:19:19,171 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 409 431) no Hoare annotation was computed. [2019-10-07 15:19:19,171 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 409 431) no Hoare annotation was computed. [2019-10-07 15:19:19,171 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 301 310) no Hoare annotation was computed. [2019-10-07 15:19:19,171 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 301 310) no Hoare annotation was computed. [2019-10-07 15:19:19,172 INFO L443 ceAbstractionStarter]: For program point L671(lines 670 690) no Hoare annotation was computed. [2019-10-07 15:19:19,172 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 621 723) no Hoare annotation was computed. [2019-10-07 15:19:19,172 INFO L443 ceAbstractionStarter]: For program point L702(line 702) no Hoare annotation was computed. [2019-10-07 15:19:19,172 INFO L443 ceAbstractionStarter]: For program point L702-1(line 702) no Hoare annotation was computed. [2019-10-07 15:19:19,172 INFO L443 ceAbstractionStarter]: For program point L667(lines 667 708) no Hoare annotation was computed. [2019-10-07 15:19:19,172 INFO L443 ceAbstractionStarter]: For program point L686(line 686) no Hoare annotation was computed. [2019-10-07 15:19:19,173 INFO L443 ceAbstractionStarter]: For program point L686-1(line 686) no Hoare annotation was computed. [2019-10-07 15:19:19,173 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 621 723) no Hoare annotation was computed. [2019-10-07 15:19:19,173 INFO L443 ceAbstractionStarter]: For program point L645(lines 645 649) no Hoare annotation was computed. [2019-10-07 15:19:19,173 INFO L443 ceAbstractionStarter]: For program point L670-2(lines 670 690) no Hoare annotation was computed. [2019-10-07 15:19:19,173 INFO L443 ceAbstractionStarter]: For program point L691(lines 669 692) no Hoare annotation was computed. [2019-10-07 15:19:19,173 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 621 723) no Hoare annotation was computed. [2019-10-07 15:19:19,173 INFO L443 ceAbstractionStarter]: For program point L650(lines 650 666) no Hoare annotation was computed. [2019-10-07 15:19:19,174 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-10-07 15:19:19,174 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:19:19,174 INFO L443 ceAbstractionStarter]: For program point L207(line 207) no Hoare annotation was computed. [2019-10-07 15:19:19,174 INFO L443 ceAbstractionStarter]: For program point L207-1(lines 196 212) no Hoare annotation was computed. [2019-10-07 15:19:19,174 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 196 212) no Hoare annotation was computed. [2019-10-07 15:19:19,174 INFO L443 ceAbstractionStarter]: For program point L203(lines 203 209) no Hoare annotation was computed. [2019-10-07 15:19:19,175 INFO L443 ceAbstractionStarter]: For program point L201(line 201) no Hoare annotation was computed. [2019-10-07 15:19:19,175 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 196 212) no Hoare annotation was computed. [2019-10-07 15:19:19,175 INFO L443 ceAbstractionStarter]: For program point L201-1(line 201) no Hoare annotation was computed. [2019-10-07 15:19:19,175 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 432 440) the Hoare annotation is: true [2019-10-07 15:19:19,175 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 432 440) no Hoare annotation was computed. [2019-10-07 15:19:19,175 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 388 399) the Hoare annotation is: true [2019-10-07 15:19:19,176 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 388 399) no Hoare annotation was computed. [2019-10-07 15:19:19,176 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:19:19,176 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-07 15:19:19,176 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 130 153) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (= ~pumpRunning~0 0)) (or .cse0 (not (= 0 ~waterLevel~0)) (= |old(~waterLevel~0)| 0) .cse1) (or (= 1 ~waterLevel~0) .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))))) [2019-10-07 15:19:19,176 INFO L439 ceAbstractionStarter]: At program point L143(line 143) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (= ~pumpRunning~0 0)) (or .cse0 (not (= 0 ~waterLevel~0)) (= |old(~waterLevel~0)| 0) .cse1) (or (= 1 ~waterLevel~0) .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))))) [2019-10-07 15:19:19,177 INFO L439 ceAbstractionStarter]: At program point L141(lines 141 147) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (= ~pumpRunning~0 0)) (or .cse0 (not (= 0 ~waterLevel~0)) (= |old(~waterLevel~0)| 0) .cse1) (or (= 1 ~waterLevel~0) .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))))) [2019-10-07 15:19:19,177 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 130 153) no Hoare annotation was computed. [2019-10-07 15:19:19,177 INFO L439 ceAbstractionStarter]: At program point L136(line 136) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-07 15:19:19,177 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 130 153) no Hoare annotation was computed. [2019-10-07 15:19:19,177 INFO L443 ceAbstractionStarter]: For program point L134(lines 133 152) no Hoare annotation was computed. [2019-10-07 15:19:19,177 INFO L443 ceAbstractionStarter]: For program point L832(lines 832 836) no Hoare annotation was computed. [2019-10-07 15:19:19,178 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 818 847) no Hoare annotation was computed. [2019-10-07 15:19:19,178 INFO L446 ceAbstractionStarter]: At program point L832-1(lines 832 836) the Hoare annotation is: true [2019-10-07 15:19:19,178 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 818 847) the Hoare annotation is: true [2019-10-07 15:19:19,178 INFO L446 ceAbstractionStarter]: At program point L828-2(lines 828 842) the Hoare annotation is: true [2019-10-07 15:19:19,178 INFO L446 ceAbstractionStarter]: At program point L824(line 824) the Hoare annotation is: true [2019-10-07 15:19:19,178 INFO L443 ceAbstractionStarter]: For program point L824-1(line 824) no Hoare annotation was computed. [2019-10-07 15:19:19,179 INFO L446 ceAbstractionStarter]: At program point L843(lines 818 847) the Hoare annotation is: true [2019-10-07 15:19:19,179 INFO L443 ceAbstractionStarter]: For program point L839(line 839) no Hoare annotation was computed. [2019-10-07 15:19:19,179 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalENTRY(lines 400 408) no Hoare annotation was computed. [2019-10-07 15:19:19,179 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 400 408) no Hoare annotation was computed. [2019-10-07 15:19:19,179 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 364 375) the Hoare annotation is: true [2019-10-07 15:19:19,179 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 364 375) no Hoare annotation was computed. [2019-10-07 15:19:19,180 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 872 878) no Hoare annotation was computed. [2019-10-07 15:19:19,180 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 872 878) the Hoare annotation is: true [2019-10-07 15:19:19,180 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:19:19,180 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-07 15:19:19,180 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-07 15:19:19,213 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-07 15:19:19,213 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 376 387) no Hoare annotation was computed. [2019-10-07 15:19:19,213 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 376 387) the Hoare annotation is: (or (= 1 ~waterLevel~0) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:19:19,213 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-10-07 15:19:19,213 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2019-10-07 15:19:19,213 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2019-10-07 15:19:19,232 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.10 03:19:19 BoogieIcfgContainer [2019-10-07 15:19:19,232 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-07 15:19:19,236 INFO L168 Benchmark]: Toolchain (without parser) took 6943.71 ms. Allocated memory was 139.5 MB in the beginning and 292.6 MB in the end (delta: 153.1 MB). Free memory was 103.0 MB in the beginning and 258.0 MB in the end (delta: -154.9 MB). Peak memory consumption was 167.0 MB. Max. memory is 7.1 GB. [2019-10-07 15:19:19,237 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 139.5 MB. Free memory was 122.7 MB in the beginning and 122.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-07 15:19:19,238 INFO L168 Benchmark]: CACSL2BoogieTranslator took 683.07 ms. Allocated memory was 139.5 MB in the beginning and 201.9 MB in the end (delta: 62.4 MB). Free memory was 102.8 MB in the beginning and 170.7 MB in the end (delta: -67.8 MB). Peak memory consumption was 27.7 MB. Max. memory is 7.1 GB. [2019-10-07 15:19:19,239 INFO L168 Benchmark]: Boogie Preprocessor took 112.10 ms. Allocated memory is still 201.9 MB. Free memory was 170.7 MB in the beginning and 166.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-10-07 15:19:19,240 INFO L168 Benchmark]: RCFGBuilder took 1744.96 ms. Allocated memory was 201.9 MB in the beginning and 236.5 MB in the end (delta: 34.6 MB). Free memory was 166.7 MB in the beginning and 152.3 MB in the end (delta: 14.4 MB). Peak memory consumption was 82.4 MB. Max. memory is 7.1 GB. [2019-10-07 15:19:19,241 INFO L168 Benchmark]: TraceAbstraction took 4395.46 ms. Allocated memory was 236.5 MB in the beginning and 292.6 MB in the end (delta: 56.1 MB). Free memory was 152.3 MB in the beginning and 258.0 MB in the end (delta: -105.7 MB). Peak memory consumption was 119.2 MB. Max. memory is 7.1 GB. [2019-10-07 15:19:19,245 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 139.5 MB. Free memory was 122.7 MB in the beginning and 122.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 683.07 ms. Allocated memory was 139.5 MB in the beginning and 201.9 MB in the end (delta: 62.4 MB). Free memory was 102.8 MB in the beginning and 170.7 MB in the end (delta: -67.8 MB). Peak memory consumption was 27.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 112.10 ms. Allocated memory is still 201.9 MB. Free memory was 170.7 MB in the beginning and 166.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1744.96 ms. Allocated memory was 201.9 MB in the beginning and 236.5 MB in the end (delta: 34.6 MB). Free memory was 166.7 MB in the beginning and 152.3 MB in the end (delta: 14.4 MB). Peak memory consumption was 82.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4395.46 ms. Allocated memory was 236.5 MB in the beginning and 292.6 MB in the end (delta: 56.1 MB). Free memory was 152.3 MB in the beginning and 258.0 MB in the end (delta: -105.7 MB). Peak memory consumption was 119.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 63]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || (0 == splverifierCounter && pumpRunning == 0) - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 173 locations, 1 error locations. Result: SAFE, OverallTime: 4.2s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, HoareTripleCheckerStatistics: 507 SDtfs, 307 SDslu, 988 SDs, 0 SdLazy, 409 SolverSat, 51 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 244 GetRequests, 195 SyntacticMatches, 2 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=171occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 49 LocationsWithAnnotation, 260 PreInvPairs, 278 NumberOfFragments, 524 HoareAnnotationTreeSize, 260 FomulaSimplifications, 119 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 49 FomulaSimplificationsInter, 804 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 416 NumberOfCodeBlocks, 416 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 495 ConstructedInterpolants, 0 QuantifiedInterpolants, 61157 SizeOfPredicates, 2 NumberOfNonLiveVariables, 734 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 8 InterpolantComputations, 7 PerfectInterpolantSequences, 66/81 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...