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_spec3_product50.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 15:18:31,760 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 15:18:31,763 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 15:18:31,781 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 15:18:31,781 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 15:18:31,783 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 15:18:31,785 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 15:18:31,797 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 15:18:31,798 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 15:18:31,800 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 15:18:31,801 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 15:18:31,803 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 15:18:31,804 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 15:18:31,804 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 15:18:31,805 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 15:18:31,807 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 15:18:31,809 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 15:18:31,810 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 15:18:31,812 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 15:18:31,818 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 15:18:31,822 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 15:18:31,823 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 15:18:31,826 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 15:18:31,827 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 15:18:31,830 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 15:18:31,830 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 15:18:31,831 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 15:18:31,832 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 15:18:31,834 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 15:18:31,835 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 15:18:31,835 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 15:18:31,836 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 15:18:31,837 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 15:18:31,837 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 15:18:31,839 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 15:18:31,839 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 15:18:31,840 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 15:18:31,840 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 15:18:31,840 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 15:18:31,842 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 15:18:31,844 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 15:18:31,845 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 15:18:31,865 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 15:18:31,865 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 15:18:31,869 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 15:18:31,869 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 15:18:31,870 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 15:18:31,870 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 15:18:31,870 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 15:18:31,871 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 15:18:31,871 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 15:18:31,871 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 15:18:31,872 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 15:18:31,872 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 15:18:31,873 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 15:18:31,873 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 15:18:31,873 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 15:18:31,873 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 15:18:31,874 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 15:18:31,874 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 15:18:31,874 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 15:18:31,874 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 15:18:31,875 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 15:18:31,875 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:18:31,875 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 15:18:31,876 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 15:18:31,876 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 15:18:31,876 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 15:18:31,877 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 15:18:31,877 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 15:18:31,877 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 15:18:32,177 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 15:18:32,196 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 15:18:32,200 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 15:18:32,202 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 15:18:32,202 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 15:18:32,203 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product50.cil.c [2019-10-07 15:18:32,278 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e2c1b91f/434165347fff4377936fd867ae123d85/FLAG2817f13b3 [2019-10-07 15:18:32,880 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 15:18:32,883 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product50.cil.c [2019-10-07 15:18:32,904 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e2c1b91f/434165347fff4377936fd867ae123d85/FLAG2817f13b3 [2019-10-07 15:18:33,131 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e2c1b91f/434165347fff4377936fd867ae123d85 [2019-10-07 15:18:33,139 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 15:18:33,141 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 15:18:33,143 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 15:18:33,144 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 15:18:33,147 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 15:18:33,148 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:18:33" (1/1) ... [2019-10-07 15:18:33,151 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4626f4a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:33, skipping insertion in model container [2019-10-07 15:18:33,151 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:18:33" (1/1) ... [2019-10-07 15:18:33,158 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 15:18:33,214 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 15:18:33,667 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:18:33,680 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 15:18:33,763 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:18:33,801 INFO L192 MainTranslator]: Completed translation [2019-10-07 15:18:33,802 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:33 WrapperNode [2019-10-07 15:18:33,802 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 15:18:33,803 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 15:18:33,803 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 15:18:33,803 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 15:18:33,815 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:33" (1/1) ... [2019-10-07 15:18:33,815 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:33" (1/1) ... [2019-10-07 15:18:33,834 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:33" (1/1) ... [2019-10-07 15:18:33,835 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:33" (1/1) ... [2019-10-07 15:18:33,866 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:33" (1/1) ... [2019-10-07 15:18:33,877 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:33" (1/1) ... [2019-10-07 15:18:33,884 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:33" (1/1) ... [2019-10-07 15:18:33,891 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 15:18:33,892 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 15:18:33,892 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 15:18:33,892 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 15:18:33,893 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:33" (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 15:18:33,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 15:18:33,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 15:18:33,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 15:18:33,951 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 15:18:33,952 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 15:18:33,953 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 15:18:33,954 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 15:18:33,954 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 15:18:33,954 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 15:18:33,954 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-10-07 15:18:33,955 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-07 15:18:33,956 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-07 15:18:33,956 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-07 15:18:33,956 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-07 15:18:33,956 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-07 15:18:33,956 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-07 15:18:33,958 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-07 15:18:33,959 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-07 15:18:33,959 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-07 15:18:33,959 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-07 15:18:33,959 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 15:18:33,959 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-07 15:18:33,960 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 15:18:33,960 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 15:18:33,960 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 15:18:33,961 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 15:18:33,961 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 15:18:33,961 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 15:18:33,961 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 15:18:33,962 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-07 15:18:33,963 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-07 15:18:33,963 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-07 15:18:33,963 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-07 15:18:33,963 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-07 15:18:33,963 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-07 15:18:33,963 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-07 15:18:33,964 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-07 15:18:33,964 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-07 15:18:33,964 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-07 15:18:33,964 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-07 15:18:33,964 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-07 15:18:33,964 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 15:18:33,964 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 15:18:33,965 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 15:18:33,965 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 15:18:33,965 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 15:18:33,965 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 15:18:33,965 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 15:18:33,965 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 15:18:33,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 15:18:33,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 15:18:33,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 15:18:33,966 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 15:18:33,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 15:18:33,966 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 15:18:33,966 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 15:18:33,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 15:18:33,967 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 15:18:33,967 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 15:18:33,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 15:18:33,968 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 15:18:33,968 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 15:18:33,968 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-07 15:18:33,969 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-07 15:18:33,969 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-07 15:18:33,969 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-10-07 15:18:33,969 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-07 15:18:33,969 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-07 15:18:33,969 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-07 15:18:33,969 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-07 15:18:33,970 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-07 15:18:33,970 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-07 15:18:33,970 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-07 15:18:33,971 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-07 15:18:33,971 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-07 15:18:33,971 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-07 15:18:33,972 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 15:18:33,972 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 15:18:33,972 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-07 15:18:33,972 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 15:18:33,972 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 15:18:33,973 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 15:18:33,973 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 15:18:33,973 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 15:18:33,974 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-07 15:18:33,974 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-07 15:18:33,974 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-07 15:18:33,975 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-07 15:18:33,975 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-07 15:18:33,975 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-07 15:18:33,975 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-07 15:18:33,975 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-07 15:18:33,976 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-07 15:18:33,976 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 15:18:33,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 15:18:33,977 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 15:18:35,670 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 15:18:35,670 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-07 15:18:35,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:18:35 BoogieIcfgContainer [2019-10-07 15:18:35,672 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 15:18:35,673 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 15:18:35,674 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 15:18:35,677 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 15:18:35,677 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:18:33" (1/3) ... [2019-10-07 15:18:35,678 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2993422a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:18:35, skipping insertion in model container [2019-10-07 15:18:35,678 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:33" (2/3) ... [2019-10-07 15:18:35,679 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2993422a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:18:35, skipping insertion in model container [2019-10-07 15:18:35,679 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:18:35" (3/3) ... [2019-10-07 15:18:35,681 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product50.cil.c [2019-10-07 15:18:35,691 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 15:18:35,699 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 15:18:35,711 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 15:18:35,744 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 15:18:35,744 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 15:18:35,744 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 15:18:35,745 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 15:18:35,745 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 15:18:35,745 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 15:18:35,745 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 15:18:35,745 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 15:18:35,780 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states. [2019-10-07 15:18:35,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-07 15:18:35,798 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:18:35,800 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] [2019-10-07 15:18:35,805 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:18:35,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:18:35,812 INFO L82 PathProgramCache]: Analyzing trace with hash -1015534356, now seen corresponding path program 1 times [2019-10-07 15:18:35,823 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:18:35,823 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:35,823 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:35,824 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:35,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:18:36,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:36,197 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 15:18:36,198 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:36,198 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:18:36,199 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 15:18:36,203 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 15:18:36,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 15:18:36,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:18:36,219 INFO L87 Difference]: Start difference. First operand 150 states. Second operand 2 states. [2019-10-07 15:18:36,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:18:36,272 INFO L93 Difference]: Finished difference Result 229 states and 274 transitions. [2019-10-07 15:18:36,272 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 15:18:36,273 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 47 [2019-10-07 15:18:36,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:18:36,287 INFO L225 Difference]: With dead ends: 229 [2019-10-07 15:18:36,287 INFO L226 Difference]: Without dead ends: 115 [2019-10-07 15:18:36,294 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 15:18:36,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2019-10-07 15:18:36,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2019-10-07 15:18:36,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2019-10-07 15:18:36,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 131 transitions. [2019-10-07 15:18:36,382 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 131 transitions. Word has length 47 [2019-10-07 15:18:36,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:18:36,383 INFO L462 AbstractCegarLoop]: Abstraction has 115 states and 131 transitions. [2019-10-07 15:18:36,383 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 15:18:36,383 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 131 transitions. [2019-10-07 15:18:36,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-10-07 15:18:36,387 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:18:36,387 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] [2019-10-07 15:18:36,387 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:18:36,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:18:36,388 INFO L82 PathProgramCache]: Analyzing trace with hash -1372913068, now seen corresponding path program 1 times [2019-10-07 15:18:36,388 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:18:36,388 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:36,389 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:36,389 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:36,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:18:36,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:36,549 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 15:18:36,550 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:36,550 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:18:36,551 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:18:36,554 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:18:36,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:18:36,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:18:36,555 INFO L87 Difference]: Start difference. First operand 115 states and 131 transitions. Second operand 3 states. [2019-10-07 15:18:36,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:18:36,607 INFO L93 Difference]: Finished difference Result 183 states and 208 transitions. [2019-10-07 15:18:36,607 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:18:36,608 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2019-10-07 15:18:36,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:18:36,611 INFO L225 Difference]: With dead ends: 183 [2019-10-07 15:18:36,612 INFO L226 Difference]: Without dead ends: 107 [2019-10-07 15:18:36,615 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 15:18:36,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2019-10-07 15:18:36,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2019-10-07 15:18:36,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2019-10-07 15:18:36,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 120 transitions. [2019-10-07 15:18:36,643 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 120 transitions. Word has length 48 [2019-10-07 15:18:36,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:18:36,644 INFO L462 AbstractCegarLoop]: Abstraction has 107 states and 120 transitions. [2019-10-07 15:18:36,644 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:18:36,644 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 120 transitions. [2019-10-07 15:18:36,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-07 15:18:36,652 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:18:36,652 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] [2019-10-07 15:18:36,653 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:18:36,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:18:36,654 INFO L82 PathProgramCache]: Analyzing trace with hash -1148251982, now seen corresponding path program 1 times [2019-10-07 15:18:36,655 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:18:36,655 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:36,655 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:36,655 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:36,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:18:36,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:36,911 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 15:18:36,912 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:36,912 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:18:36,912 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:18:36,913 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:18:36,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:18:36,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:18:36,914 INFO L87 Difference]: Start difference. First operand 107 states and 120 transitions. Second operand 7 states. [2019-10-07 15:18:37,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:18:37,235 INFO L93 Difference]: Finished difference Result 192 states and 219 transitions. [2019-10-07 15:18:37,236 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 15:18:37,236 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2019-10-07 15:18:37,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:18:37,238 INFO L225 Difference]: With dead ends: 192 [2019-10-07 15:18:37,238 INFO L226 Difference]: Without dead ends: 107 [2019-10-07 15:18:37,240 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 15:18:37,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2019-10-07 15:18:37,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2019-10-07 15:18:37,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2019-10-07 15:18:37,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 119 transitions. [2019-10-07 15:18:37,253 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 119 transitions. Word has length 51 [2019-10-07 15:18:37,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:18:37,254 INFO L462 AbstractCegarLoop]: Abstraction has 107 states and 119 transitions. [2019-10-07 15:18:37,254 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:18:37,254 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 119 transitions. [2019-10-07 15:18:37,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-10-07 15:18:37,255 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:18:37,256 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, 1, 1, 1, 1, 1] [2019-10-07 15:18:37,256 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:18:37,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:18:37,256 INFO L82 PathProgramCache]: Analyzing trace with hash 1320208278, now seen corresponding path program 1 times [2019-10-07 15:18:37,257 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:18:37,257 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:37,257 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:37,258 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:37,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:18:37,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:37,359 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 15:18:37,359 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:37,360 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:18:37,360 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 15:18:37,361 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 15:18:37,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 15:18:37,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 15:18:37,362 INFO L87 Difference]: Start difference. First operand 107 states and 119 transitions. Second operand 5 states. [2019-10-07 15:18:37,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:18:37,868 INFO L93 Difference]: Finished difference Result 290 states and 340 transitions. [2019-10-07 15:18:37,869 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 15:18:37,869 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2019-10-07 15:18:37,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:18:37,872 INFO L225 Difference]: With dead ends: 290 [2019-10-07 15:18:37,872 INFO L226 Difference]: Without dead ends: 205 [2019-10-07 15:18:37,873 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-07 15:18:37,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2019-10-07 15:18:37,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 188. [2019-10-07 15:18:37,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2019-10-07 15:18:37,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 208 transitions. [2019-10-07 15:18:37,903 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 208 transitions. Word has length 64 [2019-10-07 15:18:37,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:18:37,904 INFO L462 AbstractCegarLoop]: Abstraction has 188 states and 208 transitions. [2019-10-07 15:18:37,904 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 15:18:37,904 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 208 transitions. [2019-10-07 15:18:37,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-10-07 15:18:37,905 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:18:37,906 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:18:37,906 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:18:37,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:18:37,906 INFO L82 PathProgramCache]: Analyzing trace with hash -193530087, now seen corresponding path program 1 times [2019-10-07 15:18:37,907 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:18:37,907 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:37,907 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:37,907 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:37,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:18:37,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:38,014 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 15:18:38,014 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:38,015 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:18:38,015 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 15:18:38,015 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 15:18:38,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 15:18:38,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-07 15:18:38,016 INFO L87 Difference]: Start difference. First operand 188 states and 208 transitions. Second operand 6 states. [2019-10-07 15:18:38,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:18:38,242 INFO L93 Difference]: Finished difference Result 456 states and 521 transitions. [2019-10-07 15:18:38,243 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 15:18:38,243 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 73 [2019-10-07 15:18:38,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:18:38,247 INFO L225 Difference]: With dead ends: 456 [2019-10-07 15:18:38,248 INFO L226 Difference]: Without dead ends: 290 [2019-10-07 15:18:38,249 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-07 15:18:38,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2019-10-07 15:18:38,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 280. [2019-10-07 15:18:38,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2019-10-07 15:18:38,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 314 transitions. [2019-10-07 15:18:38,289 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 314 transitions. Word has length 73 [2019-10-07 15:18:38,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:18:38,290 INFO L462 AbstractCegarLoop]: Abstraction has 280 states and 314 transitions. [2019-10-07 15:18:38,290 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 15:18:38,290 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 314 transitions. [2019-10-07 15:18:38,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-10-07 15:18:38,292 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:18:38,292 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:18:38,293 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:18:38,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:18:38,293 INFO L82 PathProgramCache]: Analyzing trace with hash 1352329710, now seen corresponding path program 1 times [2019-10-07 15:18:38,293 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:18:38,293 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:38,294 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:38,294 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:38,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:18:38,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:38,426 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 15:18:38,427 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:38,427 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:18:38,427 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-07 15:18:38,428 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-07 15:18:38,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-07 15:18:38,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-10-07 15:18:38,429 INFO L87 Difference]: Start difference. First operand 280 states and 314 transitions. Second operand 10 states. [2019-10-07 15:18:38,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:18:38,698 INFO L93 Difference]: Finished difference Result 544 states and 613 transitions. [2019-10-07 15:18:38,700 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-07 15:18:38,700 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 76 [2019-10-07 15:18:38,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:18:38,706 INFO L225 Difference]: With dead ends: 544 [2019-10-07 15:18:38,706 INFO L226 Difference]: Without dead ends: 286 [2019-10-07 15:18:38,708 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2019-10-07 15:18:38,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2019-10-07 15:18:38,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 265. [2019-10-07 15:18:38,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 265 states. [2019-10-07 15:18:38,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 286 transitions. [2019-10-07 15:18:38,745 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 286 transitions. Word has length 76 [2019-10-07 15:18:38,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:18:38,745 INFO L462 AbstractCegarLoop]: Abstraction has 265 states and 286 transitions. [2019-10-07 15:18:38,746 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-07 15:18:38,746 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 286 transitions. [2019-10-07 15:18:38,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-10-07 15:18:38,749 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:18:38,750 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:18:38,750 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:18:38,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:18:38,750 INFO L82 PathProgramCache]: Analyzing trace with hash -1852285, now seen corresponding path program 1 times [2019-10-07 15:18:38,751 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:18:38,751 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:38,751 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:38,751 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:38,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:18:38,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:39,031 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 15:18:39,031 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:39,032 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:18:39,032 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2019-10-07 15:18:39,032 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-10-07 15:18:39,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-10-07 15:18:39,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2019-10-07 15:18:39,033 INFO L87 Difference]: Start difference. First operand 265 states and 286 transitions. Second operand 14 states. [2019-10-07 15:18:39,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:18:39,435 INFO L93 Difference]: Finished difference Result 533 states and 592 transitions. [2019-10-07 15:18:39,435 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-07 15:18:39,436 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 76 [2019-10-07 15:18:39,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:18:39,439 INFO L225 Difference]: With dead ends: 533 [2019-10-07 15:18:39,439 INFO L226 Difference]: Without dead ends: 367 [2019-10-07 15:18:39,440 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=84, Invalid=296, Unknown=0, NotChecked=0, Total=380 [2019-10-07 15:18:39,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2019-10-07 15:18:39,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 332. [2019-10-07 15:18:39,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 332 states. [2019-10-07 15:18:39,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 361 transitions. [2019-10-07 15:18:39,464 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 361 transitions. Word has length 76 [2019-10-07 15:18:39,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:18:39,465 INFO L462 AbstractCegarLoop]: Abstraction has 332 states and 361 transitions. [2019-10-07 15:18:39,465 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-10-07 15:18:39,465 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 361 transitions. [2019-10-07 15:18:39,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2019-10-07 15:18:39,467 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:18:39,467 INFO L385 BasicCegarLoop]: trace histogram [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, 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 15:18:39,467 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:18:39,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:18:39,468 INFO L82 PathProgramCache]: Analyzing trace with hash -1354936616, now seen corresponding path program 1 times [2019-10-07 15:18:39,468 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:18:39,468 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:39,468 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:39,468 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:39,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:18:39,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:39,568 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 16 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-10-07 15:18:39,568 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:39,568 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 15:18:39,568 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 15:18:39,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:39,785 INFO L256 TraceCheckSpWp]: Trace formula consists of 836 conjuncts, 32 conjunts are in the unsatisfiable core [2019-10-07 15:18:39,798 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 15:18:39,989 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-07 15:18:39,998 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 15:18:40,303 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:18:40,304 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:18:40,368 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:18:40,434 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:18:40,447 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:18:40,507 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 15:18:40,508 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-07 15:18:40,508 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [7, 9] total 21 [2019-10-07 15:18:40,509 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-07 15:18:40,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-07 15:18:40,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=357, Unknown=0, NotChecked=0, Total=420 [2019-10-07 15:18:40,511 INFO L87 Difference]: Start difference. First operand 332 states and 361 transitions. Second operand 9 states. [2019-10-07 15:18:40,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:18:40,914 INFO L93 Difference]: Finished difference Result 715 states and 797 transitions. [2019-10-07 15:18:40,915 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-07 15:18:40,915 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 114 [2019-10-07 15:18:40,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:18:40,916 INFO L225 Difference]: With dead ends: 715 [2019-10-07 15:18:40,916 INFO L226 Difference]: Without dead ends: 0 [2019-10-07 15:18:40,918 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 218 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=92, Invalid=508, Unknown=0, NotChecked=0, Total=600 [2019-10-07 15:18:40,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-07 15:18:40,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-07 15:18:40,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-07 15:18:40,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-07 15:18:40,920 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 114 [2019-10-07 15:18:40,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:18:40,920 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-07 15:18:40,920 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-07 15:18:40,920 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-07 15:18:40,920 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-07 15:18:41,126 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:18:41,132 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-07 15:18:41,604 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 23 [2019-10-07 15:18:42,146 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 35 [2019-10-07 15:18:42,514 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 27 [2019-10-07 15:18:42,761 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 38 [2019-10-07 15:18:44,060 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 34 [2019-10-07 15:18:44,075 INFO L443 ceAbstractionStarter]: For program point L123(lines 123 127) no Hoare annotation was computed. [2019-10-07 15:18:44,075 INFO L443 ceAbstractionStarter]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2019-10-07 15:18:44,075 INFO L443 ceAbstractionStarter]: For program point L139(lines 116 140) no Hoare annotation was computed. [2019-10-07 15:18:44,075 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2019-10-07 15:18:44,075 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2019-10-07 15:18:44,075 INFO L443 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-10-07 15:18:44,075 INFO L443 ceAbstractionStarter]: For program point L193-1(line 193) no Hoare annotation was computed. [2019-10-07 15:18:44,076 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2019-10-07 15:18:44,076 INFO L443 ceAbstractionStarter]: For program point L180(lines 180 184) no Hoare annotation was computed. [2019-10-07 15:18:44,076 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2019-10-07 15:18:44,076 INFO L443 ceAbstractionStarter]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2019-10-07 15:18:44,076 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2019-10-07 15:18:44,076 INFO L443 ceAbstractionStarter]: For program point L200(lines 173 201) no Hoare annotation was computed. [2019-10-07 15:18:44,077 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 673 679) the Hoare annotation is: true [2019-10-07 15:18:44,077 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 673 679) no Hoare annotation was computed. [2019-10-07 15:18:44,077 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 680 688) no Hoare annotation was computed. [2019-10-07 15:18:44,078 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 680 688) the Hoare annotation is: true [2019-10-07 15:18:44,078 INFO L443 ceAbstractionStarter]: For program point L641(lines 641 648) no Hoare annotation was computed. [2019-10-07 15:18:44,078 INFO L443 ceAbstractionStarter]: For program point L641-1(lines 641 648) no Hoare annotation was computed. [2019-10-07 15:18:44,078 INFO L443 ceAbstractionStarter]: For program point L639(line 639) no Hoare annotation was computed. [2019-10-07 15:18:44,079 INFO L439 ceAbstractionStarter]: At program point L638(line 638) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:18:44,080 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 631 653) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:18:44,080 INFO L439 ceAbstractionStarter]: At program point L637(line 637) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:18:44,080 INFO L439 ceAbstractionStarter]: At program point L637-1(line 637) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:18:44,081 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 631 653) no Hoare annotation was computed. [2019-10-07 15:18:44,081 INFO L439 ceAbstractionStarter]: At program point L643(line 643) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~4 ~systemActive~0) (= main_~tmp~4 1) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:18:44,081 INFO L439 ceAbstractionStarter]: At program point L643-1(line 643) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~4 ~systemActive~0) (= main_~tmp~4 1) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:18:44,081 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 586 609) no Hoare annotation was computed. [2019-10-07 15:18:44,081 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 586 609) no Hoare annotation was computed. [2019-10-07 15:18:44,081 INFO L443 ceAbstractionStarter]: For program point L604(line 604) no Hoare annotation was computed. [2019-10-07 15:18:44,081 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 586 609) no Hoare annotation was computed. [2019-10-07 15:18:44,082 INFO L443 ceAbstractionStarter]: For program point L603(line 603) no Hoare annotation was computed. [2019-10-07 15:18:44,082 INFO L443 ceAbstractionStarter]: For program point L602(line 602) no Hoare annotation was computed. [2019-10-07 15:18:44,082 INFO L443 ceAbstractionStarter]: For program point L601(line 601) no Hoare annotation was computed. [2019-10-07 15:18:44,082 INFO L443 ceAbstractionStarter]: For program point L600(line 600) no Hoare annotation was computed. [2019-10-07 15:18:44,082 INFO L443 ceAbstractionStarter]: For program point L599(line 599) no Hoare annotation was computed. [2019-10-07 15:18:44,082 INFO L443 ceAbstractionStarter]: For program point L598(line 598) no Hoare annotation was computed. [2019-10-07 15:18:44,082 INFO L443 ceAbstractionStarter]: For program point L597(line 597) no Hoare annotation was computed. [2019-10-07 15:18:44,082 INFO L443 ceAbstractionStarter]: For program point L596(line 596) no Hoare annotation was computed. [2019-10-07 15:18:44,082 INFO L443 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2019-10-07 15:18:44,083 INFO L443 ceAbstractionStarter]: For program point L594(line 594) no Hoare annotation was computed. [2019-10-07 15:18:44,083 INFO L443 ceAbstractionStarter]: For program point L593(line 593) no Hoare annotation was computed. [2019-10-07 15:18:44,083 INFO L443 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2019-10-07 15:18:44,083 INFO L443 ceAbstractionStarter]: For program point L591(line 591) no Hoare annotation was computed. [2019-10-07 15:18:44,083 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 882 890) no Hoare annotation was computed. [2019-10-07 15:18:44,083 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 882 890) the Hoare annotation is: true [2019-10-07 15:18:44,083 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 946 964) the Hoare annotation is: true [2019-10-07 15:18:44,083 INFO L446 ceAbstractionStarter]: At program point L953(line 953) the Hoare annotation is: true [2019-10-07 15:18:44,084 INFO L443 ceAbstractionStarter]: For program point L953-1(line 953) no Hoare annotation was computed. [2019-10-07 15:18:44,084 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 946 964) no Hoare annotation was computed. [2019-10-07 15:18:44,084 INFO L443 ceAbstractionStarter]: For program point L921(line 921) no Hoare annotation was computed. [2019-10-07 15:18:44,084 INFO L443 ceAbstractionStarter]: For program point L921-1(line 921) no Hoare annotation was computed. [2019-10-07 15:18:44,084 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 891 926) no Hoare annotation was computed. [2019-10-07 15:18:44,084 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 891 926) no Hoare annotation was computed. [2019-10-07 15:18:44,084 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 666 672) no Hoare annotation was computed. [2019-10-07 15:18:44,084 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 666 672) the Hoare annotation is: true [2019-10-07 15:18:44,085 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2019-10-07 15:18:44,085 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2019-10-07 15:18:44,085 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2019-10-07 15:18:44,085 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2019-10-07 15:18:44,085 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 618 627) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:18:44,085 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 618 627) no Hoare annotation was computed. [2019-10-07 15:18:44,085 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 618 627) no Hoare annotation was computed. [2019-10-07 15:18:44,085 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 871 881) no Hoare annotation was computed. [2019-10-07 15:18:44,086 INFO L443 ceAbstractionStarter]: For program point L876(line 876) no Hoare annotation was computed. [2019-10-07 15:18:44,086 INFO L443 ceAbstractionStarter]: For program point L876-1(line 876) no Hoare annotation was computed. [2019-10-07 15:18:44,086 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 871 881) no Hoare annotation was computed. [2019-10-07 15:18:44,086 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 863 870) the Hoare annotation is: (or (not (< ~waterLevel~0 2)) (not (= 1 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (= ~pumpRunning~0 1)) [2019-10-07 15:18:44,086 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 863 870) no Hoare annotation was computed. [2019-10-07 15:18:44,086 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 529 542) no Hoare annotation was computed. [2019-10-07 15:18:44,086 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 529 542) the Hoare annotation is: true [2019-10-07 15:18:44,086 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 830 854) no Hoare annotation was computed. [2019-10-07 15:18:44,087 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 830 854) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (= ~pumpRunning~0 0) (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0) (or (not (< ~waterLevel~0 2)) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)))) [2019-10-07 15:18:44,087 INFO L439 ceAbstractionStarter]: At program point L849(line 849) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (= ~pumpRunning~0 0) (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0) (or (not (< ~waterLevel~0 2)) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2019-10-07 15:18:44,087 INFO L443 ceAbstractionStarter]: For program point L849-1(lines 830 854) no Hoare annotation was computed. [2019-10-07 15:18:44,087 INFO L439 ceAbstractionStarter]: At program point L844(line 844) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0) (or (not (< ~waterLevel~0 2)) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)))) [2019-10-07 15:18:44,087 INFO L439 ceAbstractionStarter]: At program point L840(line 840) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0) (or (not (< ~waterLevel~0 2)) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)))) [2019-10-07 15:18:44,087 INFO L443 ceAbstractionStarter]: For program point L838(lines 838 846) no Hoare annotation was computed. [2019-10-07 15:18:44,089 INFO L439 ceAbstractionStarter]: At program point L836(line 836) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0) (or (not (< ~waterLevel~0 2)) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)))) [2019-10-07 15:18:44,089 INFO L443 ceAbstractionStarter]: For program point L836-1(line 836) no Hoare annotation was computed. [2019-10-07 15:18:44,089 INFO L443 ceAbstractionStarter]: For program point L834(lines 834 851) no Hoare annotation was computed. [2019-10-07 15:18:44,089 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 796 802) no Hoare annotation was computed. [2019-10-07 15:18:44,089 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 796 802) the Hoare annotation is: true [2019-10-07 15:18:44,089 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 700 765) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:18:44,090 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 700 765) no Hoare annotation was computed. [2019-10-07 15:18:44,090 INFO L439 ceAbstractionStarter]: At program point L758(lines 709 759) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:18:44,090 INFO L439 ceAbstractionStarter]: At program point L748-2(lines 740 753) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse2 (< ~waterLevel~0 3))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 (= ~pumpRunning~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 (= ~pumpRunning~0 0)))) [2019-10-07 15:18:44,090 INFO L443 ceAbstractionStarter]: For program point L711(lines 710 757) no Hoare annotation was computed. [2019-10-07 15:18:44,090 INFO L439 ceAbstractionStarter]: At program point L742(line 742) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse2 (< ~waterLevel~0 3))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 (= ~pumpRunning~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 (= ~pumpRunning~0 0)))) [2019-10-07 15:18:44,091 INFO L443 ceAbstractionStarter]: For program point L740(lines 740 753) no Hoare annotation was computed. [2019-10-07 15:18:44,091 INFO L439 ceAbstractionStarter]: At program point L732(line 732) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse2 (< ~waterLevel~0 3))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 (= ~pumpRunning~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 (= ~pumpRunning~0 0)))) [2019-10-07 15:18:44,092 INFO L443 ceAbstractionStarter]: For program point L730(lines 730 736) no Hoare annotation was computed. [2019-10-07 15:18:44,092 INFO L443 ceAbstractionStarter]: For program point L730-1(lines 730 736) no Hoare annotation was computed. [2019-10-07 15:18:44,092 INFO L439 ceAbstractionStarter]: At program point L755(lines 710 757) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse2 (< ~waterLevel~0 3))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 (= ~pumpRunning~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 (not (= ~waterLevel~0 2)) .cse1 .cse2 (= ~pumpRunning~0 0)))) [2019-10-07 15:18:44,092 INFO L439 ceAbstractionStarter]: At program point L722(line 722) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse2 (< ~waterLevel~0 3))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (and .cse0 .cse1 (= ~pumpRunning~0 0)) .cse2) (and .cse0 .cse1 .cse2 (= ~pumpRunning~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2019-10-07 15:18:44,092 INFO L443 ceAbstractionStarter]: For program point L720(lines 720 726) no Hoare annotation was computed. [2019-10-07 15:18:44,092 INFO L443 ceAbstractionStarter]: For program point L720-1(lines 720 726) no Hoare annotation was computed. [2019-10-07 15:18:44,092 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 700 765) no Hoare annotation was computed. [2019-10-07 15:18:44,093 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2019-10-07 15:18:44,093 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2019-10-07 15:18:44,093 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 543 551) the Hoare annotation is: true [2019-10-07 15:18:44,093 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 543 551) no Hoare annotation was computed. [2019-10-07 15:18:44,093 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 497 519) no Hoare annotation was computed. [2019-10-07 15:18:44,093 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 497 519) no Hoare annotation was computed. [2019-10-07 15:18:44,093 INFO L443 ceAbstractionStarter]: For program point L256(lines 256 297) no Hoare annotation was computed. [2019-10-07 15:18:44,093 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2019-10-07 15:18:44,093 INFO L443 ceAbstractionStarter]: For program point L275(line 275) no Hoare annotation was computed. [2019-10-07 15:18:44,094 INFO L443 ceAbstractionStarter]: For program point L275-1(line 275) no Hoare annotation was computed. [2019-10-07 15:18:44,094 INFO L443 ceAbstractionStarter]: For program point L234(lines 234 238) no Hoare annotation was computed. [2019-10-07 15:18:44,094 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2019-10-07 15:18:44,094 INFO L443 ceAbstractionStarter]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2019-10-07 15:18:44,094 INFO L443 ceAbstractionStarter]: For program point L280(lines 258 281) no Hoare annotation was computed. [2019-10-07 15:18:44,094 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2019-10-07 15:18:44,094 INFO L443 ceAbstractionStarter]: For program point L239(lines 239 255) no Hoare annotation was computed. [2019-10-07 15:18:44,094 INFO L443 ceAbstractionStarter]: For program point L260(lines 259 279) no Hoare annotation was computed. [2019-10-07 15:18:44,095 INFO L443 ceAbstractionStarter]: For program point L291(line 291) no Hoare annotation was computed. [2019-10-07 15:18:44,095 INFO L443 ceAbstractionStarter]: For program point L291-1(line 291) no Hoare annotation was computed. [2019-10-07 15:18:44,095 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 656 665) no Hoare annotation was computed. [2019-10-07 15:18:44,095 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 656 665) no Hoare annotation was computed. [2019-10-07 15:18:44,095 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (or (< ~waterLevel~0 3) (<= 3 |old(~waterLevel~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2019-10-07 15:18:44,095 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:18:44,095 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 855 862) no Hoare annotation was computed. [2019-10-07 15:18:44,095 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 855 862) the Hoare annotation is: (or (= ~pumpRunning~0 0) (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) (not (= ~systemActive~0 1))) [2019-10-07 15:18:44,096 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 520 528) the Hoare annotation is: true [2019-10-07 15:18:44,096 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 520 528) no Hoare annotation was computed. [2019-10-07 15:18:44,096 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 927 945) no Hoare annotation was computed. [2019-10-07 15:18:44,096 INFO L446 ceAbstractionStarter]: At program point L934(line 934) the Hoare annotation is: true [2019-10-07 15:18:44,096 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 927 945) the Hoare annotation is: true [2019-10-07 15:18:44,096 INFO L443 ceAbstractionStarter]: For program point L934-1(line 934) no Hoare annotation was computed. [2019-10-07 15:18:44,096 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:18:44,096 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-07 15:18:44,096 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 476 487) the Hoare annotation is: true [2019-10-07 15:18:44,097 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 476 487) no Hoare annotation was computed. [2019-10-07 15:18:44,097 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 488 496) the Hoare annotation is: true [2019-10-07 15:18:44,097 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 488 496) no Hoare annotation was computed. [2019-10-07 15:18:44,097 INFO L439 ceAbstractionStarter]: At program point L785(line 785) the Hoare annotation is: (let ((.cse1 (not (< |old(~waterLevel~0)| 3))) (.cse3 (< ~waterLevel~0 2)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or (and (< ~waterLevel~0 3) (= ~pumpRunning~0 0)) .cse0 .cse1 .cse2) (or .cse1 (or (not (= 1 |old(~pumpRunning~0)|)) .cse2) (and (= ~pumpRunning~0 1) .cse3)) (or (not (< |old(~waterLevel~0)| 2)) .cse0 .cse2 .cse3) (or .cse0 .cse2 (= 1 ~waterLevel~0) (not (= |old(~waterLevel~0)| 1))))) [2019-10-07 15:18:44,097 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 772 795) the Hoare annotation is: (let ((.cse6 (not (= ~systemActive~0 1)))) (let ((.cse0 (not (< |old(~waterLevel~0)| 2))) (.cse1 (< ~waterLevel~0 2)) (.cse5 (not (< |old(~waterLevel~0)| 3))) (.cse3 (< ~waterLevel~0 3)) (.cse2 (or (not (= 1 |old(~pumpRunning~0)|)) .cse6)) (.cse4 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2) (or (and .cse3 (= ~pumpRunning~0 0)) .cse4 .cse5 .cse6) (or .cse0 .cse4 .cse6 .cse1) (or .cse5 (and .cse3 (= ~pumpRunning~0 1)) .cse2) (or .cse4 .cse6 (= 1 ~waterLevel~0) (not (= |old(~waterLevel~0)| 1)))))) [2019-10-07 15:18:44,098 INFO L439 ceAbstractionStarter]: At program point L783(lines 783 789) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (not (< |old(~waterLevel~0)| 3))) (.cse4 (= ~pumpRunning~0 1)) (.cse2 (< ~waterLevel~0 2)) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 (and .cse1 .cse2) (or (not (= 1 |old(~pumpRunning~0)|)) .cse3) (and .cse4 .cse2)) (let ((.cse5 (< ~waterLevel~0 3))) (or (and (not (= ~waterLevel~0 2)) .cse5 .cse1) .cse6 .cse0 .cse3 (and .cse5 .cse4))) (or (not (< |old(~waterLevel~0)| 2)) .cse6 .cse2 .cse3) (or .cse6 (= 1 ~waterLevel~0) .cse3 (not (= |old(~waterLevel~0)| 1))))) [2019-10-07 15:18:44,098 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 772 795) no Hoare annotation was computed. [2019-10-07 15:18:44,098 INFO L439 ceAbstractionStarter]: At program point L778(line 778) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 1 |old(~pumpRunning~0)|)) .cse2)) (.cse1 (not (< |old(~waterLevel~0)| 3)))) (and (or (not (< |old(~waterLevel~0)| 2)) (< ~waterLevel~0 2) .cse0) (or .cse1 (and (< ~waterLevel~0 3) (= ~pumpRunning~0 1)) .cse0) (or (not (= 0 |old(~pumpRunning~0)|)) .cse1 .cse2)))) [2019-10-07 15:18:44,098 INFO L443 ceAbstractionStarter]: For program point L776(lines 775 794) no Hoare annotation was computed. [2019-10-07 15:18:44,098 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 772 795) no Hoare annotation was computed. [2019-10-07 15:18:44,098 INFO L443 ceAbstractionStarter]: For program point L576(line 576) no Hoare annotation was computed. [2019-10-07 15:18:44,098 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 555 584) no Hoare annotation was computed. [2019-10-07 15:18:44,099 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 555 584) the Hoare annotation is: true [2019-10-07 15:18:44,099 INFO L443 ceAbstractionStarter]: For program point L569(lines 569 573) no Hoare annotation was computed. [2019-10-07 15:18:44,099 INFO L446 ceAbstractionStarter]: At program point L569-1(lines 569 573) the Hoare annotation is: true [2019-10-07 15:18:44,099 INFO L446 ceAbstractionStarter]: At program point L565-2(lines 565 579) the Hoare annotation is: true [2019-10-07 15:18:44,099 INFO L446 ceAbstractionStarter]: At program point L561(line 561) the Hoare annotation is: true [2019-10-07 15:18:44,099 INFO L443 ceAbstractionStarter]: For program point L561-1(line 561) no Hoare annotation was computed. [2019-10-07 15:18:44,099 INFO L446 ceAbstractionStarter]: At program point L580(lines 555 584) the Hoare annotation is: true [2019-10-07 15:18:44,099 INFO L446 ceAbstractionStarter]: At program point L417(line 417) the Hoare annotation is: true [2019-10-07 15:18:44,100 INFO L443 ceAbstractionStarter]: For program point L417-1(line 417) no Hoare annotation was computed. [2019-10-07 15:18:44,100 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 410 442) no Hoare annotation was computed. [2019-10-07 15:18:44,100 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 410 442) the Hoare annotation is: true [2019-10-07 15:18:44,100 INFO L439 ceAbstractionStarter]: At program point L433(line 433) the Hoare annotation is: (let ((.cse0 (not (< ~waterLevel~0 3))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (= ~waterLevel~0 2) (not (= 0 ~pumpRunning~0)) .cse0 .cse1) (or .cse0 (not (= 1 ~pumpRunning~0)) .cse1))) [2019-10-07 15:18:44,100 INFO L443 ceAbstractionStarter]: For program point L429(lines 429 435) no Hoare annotation was computed. [2019-10-07 15:18:44,100 INFO L439 ceAbstractionStarter]: At program point L427(line 427) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (= ~waterLevel~0 2) (not (= 0 ~pumpRunning~0)) (not (< ~waterLevel~0 3)) .cse0) (or (not (< ~waterLevel~0 2)) (not (= 1 ~pumpRunning~0)) .cse0))) [2019-10-07 15:18:44,101 INFO L443 ceAbstractionStarter]: For program point L427-1(line 427) no Hoare annotation was computed. [2019-10-07 15:18:44,101 INFO L443 ceAbstractionStarter]: For program point L425(lines 425 438) no Hoare annotation was computed. [2019-10-07 15:18:44,101 INFO L443 ceAbstractionStarter]: For program point L425-1(lines 410 442) no Hoare annotation was computed. [2019-10-07 15:18:44,101 INFO L446 ceAbstractionStarter]: At program point L423(line 423) the Hoare annotation is: true [2019-10-07 15:18:44,101 INFO L443 ceAbstractionStarter]: For program point L423-1(line 423) no Hoare annotation was computed. [2019-10-07 15:18:44,102 INFO L443 ceAbstractionStarter]: For program point L419(lines 419 439) no Hoare annotation was computed. [2019-10-07 15:18:44,102 INFO L439 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 452 463) the Hoare annotation is: (let ((.cse0 (or (not (= ~systemActive~0 1)) (not (= 1 ~pumpRunning~0))))) (and (or (not (< |old(~waterLevel~0)| 2)) .cse0 (< ~waterLevel~0 2)) (or .cse0 (not (< |old(~waterLevel~0)| 3)) (< ~waterLevel~0 3)))) [2019-10-07 15:18:44,102 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 452 463) no Hoare annotation was computed. [2019-10-07 15:18:44,102 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 610 616) no Hoare annotation was computed. [2019-10-07 15:18:44,102 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 610 616) the Hoare annotation is: true [2019-10-07 15:18:44,102 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:18:44,102 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 15:18:44,102 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-07 15:18:44,103 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-07 15:18:44,103 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 965 972) no Hoare annotation was computed. [2019-10-07 15:18:44,103 INFO L439 ceAbstractionStarter]: At program point startSystemENTRY(lines 965 972) the Hoare annotation is: (let ((.cse1 (not (< ~waterLevel~0 3))) (.cse0 (= 1 ~systemActive~0)) (.cse2 (not (= |old(~systemActive~0)| 1)))) (and (or .cse0 (not (= 0 ~pumpRunning~0)) .cse1 .cse2) (or .cse1 .cse0 (or (not (= 1 ~pumpRunning~0)) .cse2)))) [2019-10-07 15:18:44,103 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 804 828) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (= ~pumpRunning~0 0) (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0) (or (not (< ~waterLevel~0 2)) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)))) [2019-10-07 15:18:44,103 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 804 828) no Hoare annotation was computed. [2019-10-07 15:18:44,103 INFO L439 ceAbstractionStarter]: At program point L823(line 823) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0) (or (not (< ~waterLevel~0 2)) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)))) [2019-10-07 15:18:44,104 INFO L443 ceAbstractionStarter]: For program point L823-1(lines 804 828) no Hoare annotation was computed. [2019-10-07 15:18:44,104 INFO L439 ceAbstractionStarter]: At program point L818(line 818) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (and (not (= ~waterLevel~0 2)) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0) (or (not (< ~waterLevel~0 2)) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2019-10-07 15:18:44,104 INFO L439 ceAbstractionStarter]: At program point L814(line 814) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0 (and (or (not (= ~waterLevel~0 2)) (= 1 processEnvironment__wrappee__highWaterSensor_~tmp~6)) (= ~pumpRunning~0 0))) (or (not (< ~waterLevel~0 2)) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2019-10-07 15:18:44,104 INFO L443 ceAbstractionStarter]: For program point L812(lines 812 820) no Hoare annotation was computed. [2019-10-07 15:18:44,104 INFO L439 ceAbstractionStarter]: At program point L810(line 810) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (= ~pumpRunning~0 0) (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0) (or (not (< ~waterLevel~0 2)) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2019-10-07 15:18:44,104 INFO L443 ceAbstractionStarter]: For program point L810-1(line 810) no Hoare annotation was computed. [2019-10-07 15:18:44,104 INFO L443 ceAbstractionStarter]: For program point L808(lines 808 825) no Hoare annotation was computed. [2019-10-07 15:18:44,105 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 464 475) no Hoare annotation was computed. [2019-10-07 15:18:44,105 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 464 475) the Hoare annotation is: (let ((.cse6 (not (= ~systemActive~0 1)))) (let ((.cse1 (< ~waterLevel~0 3)) (.cse0 (not (< |old(~waterLevel~0)| 3))) (.cse3 (or (not (= 0 ~pumpRunning~0)) .cse6)) (.cse4 (not (< |old(~waterLevel~0)| 2))) (.cse5 (< ~waterLevel~0 2)) (.cse2 (or (not (= 1 ~pumpRunning~0)) .cse6))) (and (or .cse0 .cse1 .cse2) (or .cse1 .cse0 .cse3) (or .cse4 .cse5 .cse3) (or .cse4 .cse5 .cse2)))) [2019-10-07 15:18:44,105 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 694) no Hoare annotation was computed. [2019-10-07 15:18:44,105 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 690 697) the Hoare annotation is: true [2019-10-07 15:18:44,105 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 690 697) no Hoare annotation was computed. [2019-10-07 15:18:44,126 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.10 03:18:44 BoogieIcfgContainer [2019-10-07 15:18:44,127 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-07 15:18:44,129 INFO L168 Benchmark]: Toolchain (without parser) took 10987.82 ms. Allocated memory was 141.6 MB in the beginning and 359.1 MB in the end (delta: 217.6 MB). Free memory was 96.4 MB in the beginning and 182.0 MB in the end (delta: -85.6 MB). Peak memory consumption was 238.3 MB. Max. memory is 7.1 GB. [2019-10-07 15:18:44,131 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 141.6 MB. Free memory was 116.7 MB in the beginning and 116.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-07 15:18:44,133 INFO L168 Benchmark]: CACSL2BoogieTranslator took 658.79 ms. Allocated memory was 141.6 MB in the beginning and 199.2 MB in the end (delta: 57.7 MB). Free memory was 96.2 MB in the beginning and 165.1 MB in the end (delta: -68.9 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB. [2019-10-07 15:18:44,134 INFO L168 Benchmark]: Boogie Preprocessor took 89.13 ms. Allocated memory is still 199.2 MB. Free memory was 165.1 MB in the beginning and 159.9 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. [2019-10-07 15:18:44,141 INFO L168 Benchmark]: RCFGBuilder took 1780.20 ms. Allocated memory was 199.2 MB in the beginning and 224.9 MB in the end (delta: 25.7 MB). Free memory was 159.9 MB in the beginning and 139.0 MB in the end (delta: 20.9 MB). Peak memory consumption was 87.8 MB. Max. memory is 7.1 GB. [2019-10-07 15:18:44,142 INFO L168 Benchmark]: TraceAbstraction took 8453.44 ms. Allocated memory was 224.9 MB in the beginning and 359.1 MB in the end (delta: 134.2 MB). Free memory was 137.6 MB in the beginning and 182.0 MB in the end (delta: -44.4 MB). Peak memory consumption was 196.1 MB. Max. memory is 7.1 GB. [2019-10-07 15:18:44,155 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 141.6 MB. Free memory was 116.7 MB in the beginning and 116.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 658.79 ms. Allocated memory was 141.6 MB in the beginning and 199.2 MB in the end (delta: 57.7 MB). Free memory was 96.2 MB in the beginning and 165.1 MB in the end (delta: -68.9 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 89.13 ms. Allocated memory is still 199.2 MB. Free memory was 165.1 MB in the beginning and 159.9 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1780.20 ms. Allocated memory was 199.2 MB in the beginning and 224.9 MB in the end (delta: 25.7 MB). Free memory was 159.9 MB in the beginning and 139.0 MB in the end (delta: 20.9 MB). Peak memory consumption was 87.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 8453.44 ms. Allocated memory was 224.9 MB in the beginning and 359.1 MB in the end (delta: 134.2 MB). Free memory was 137.6 MB in the beginning and 182.0 MB in the end (delta: -44.4 MB). Peak memory consumption was 196.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 694]: 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: 710]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || (((1 == systemActive && 0 == splverifierCounter) && waterLevel < 3) && pumpRunning == 1)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || ((((1 == systemActive && !(waterLevel == 2)) && 0 == splverifierCounter) && waterLevel < 3) && pumpRunning == 0) - InvariantResult [Line: 565]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 709]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 555]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 189 locations, 1 error locations. Result: SAFE, OverallTime: 8.3s, OverallIterations: 8, TraceHistogramMax: 2, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.9s, HoareTripleCheckerStatistics: 1057 SDtfs, 922 SDslu, 3345 SDs, 0 SdLazy, 890 SolverSat, 442 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 327 GetRequests, 251 SyntacticMatches, 2 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=332occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 83 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 785 PreInvPairs, 838 NumberOfFragments, 1308 HoareAnnotationTreeSize, 785 FomulaSimplifications, 1646 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 62 FomulaSimplificationsInter, 6349 FormulaSimplificationTreeSizeReductionInter, 2.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 663 NumberOfCodeBlocks, 663 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 767 ConstructedInterpolants, 0 QuantifiedInterpolants, 128985 SizeOfPredicates, 7 NumberOfNonLiveVariables, 836 ConjunctsInSsa, 32 ConjunctsInUnsatCore, 10 InterpolantComputations, 8 PerfectInterpolantSequences, 61/66 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...