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_spec2_product11.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 23:14:56,870 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 23:14:56,872 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 23:14:56,893 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 23:14:56,894 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 23:14:56,896 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 23:14:56,898 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 23:14:56,911 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 23:14:56,913 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 23:14:56,914 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 23:14:56,915 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 23:14:56,917 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 23:14:56,917 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 23:14:56,921 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 23:14:56,924 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 23:14:56,925 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 23:14:56,927 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 23:14:56,929 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 23:14:56,931 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 23:14:56,938 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 23:14:56,943 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 23:14:56,946 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 23:14:56,947 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 23:14:56,948 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 23:14:56,953 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 23:14:56,953 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 23:14:56,953 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 23:14:56,955 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 23:14:56,956 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 23:14:56,958 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 23:14:56,958 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 23:14:56,959 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 23:14:56,961 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 23:14:56,961 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 23:14:56,963 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 23:14:56,963 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 23:14:56,964 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 23:14:56,964 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 23:14:56,964 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 23:14:56,965 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 23:14:56,966 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 23:14:56,967 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 [2019-10-13 23:14:56,988 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 23:14:56,988 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 23:14:56,991 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 23:14:56,991 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 23:14:56,991 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 23:14:56,991 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 23:14:56,991 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 23:14:56,992 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 23:14:56,992 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 23:14:56,992 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 23:14:56,992 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 23:14:56,992 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 23:14:56,993 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 23:14:56,993 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 23:14:56,993 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 23:14:56,993 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 23:14:56,993 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 23:14:56,994 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 23:14:56,994 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 23:14:56,994 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 23:14:56,994 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 23:14:56,994 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:14:56,995 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 23:14:56,995 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 23:14:56,995 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 23:14:56,995 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 23:14:56,995 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 23:14:56,996 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 23:14:56,996 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 [2019-10-13 23:14:57,282 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 23:14:57,296 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 23:14:57,299 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 23:14:57,301 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 23:14:57,301 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 23:14:57,302 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product11.cil.c [2019-10-13 23:14:57,364 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3b08b926/78bfb0729d9647029578b738c7e27523/FLAG7a70a2b2b [2019-10-13 23:14:57,888 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 23:14:57,891 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product11.cil.c [2019-10-13 23:14:57,908 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3b08b926/78bfb0729d9647029578b738c7e27523/FLAG7a70a2b2b [2019-10-13 23:14:58,147 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3b08b926/78bfb0729d9647029578b738c7e27523 [2019-10-13 23:14:58,157 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 23:14:58,159 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 23:14:58,160 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 23:14:58,160 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 23:14:58,163 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 23:14:58,165 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:14:58" (1/1) ... [2019-10-13 23:14:58,168 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bbca3b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:58, skipping insertion in model container [2019-10-13 23:14:58,168 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:14:58" (1/1) ... [2019-10-13 23:14:58,175 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 23:14:58,235 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 23:14:58,679 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:14:58,693 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 23:14:58,785 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:14:58,824 INFO L192 MainTranslator]: Completed translation [2019-10-13 23:14:58,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:58 WrapperNode [2019-10-13 23:14:58,825 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 23:14:58,826 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 23:14:58,826 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 23:14:58,826 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 23:14:58,840 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:58" (1/1) ... [2019-10-13 23:14:58,841 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:58" (1/1) ... [2019-10-13 23:14:58,858 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:58" (1/1) ... [2019-10-13 23:14:58,860 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:58" (1/1) ... [2019-10-13 23:14:58,903 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:58" (1/1) ... [2019-10-13 23:14:58,927 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:58" (1/1) ... [2019-10-13 23:14:58,931 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:58" (1/1) ... [2019-10-13 23:14:58,949 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 23:14:58,950 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 23:14:58,951 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 23:14:58,951 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 23:14:58,952 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:58" (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 [2019-10-13 23:14:59,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 23:14:59,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 23:14:59,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 23:14:59,027 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 23:14:59,027 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 23:14:59,028 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 23:14:59,029 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 23:14:59,029 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 23:14:59,029 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 23:14:59,030 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 23:14:59,030 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 23:14:59,031 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 23:14:59,031 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 23:14:59,031 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 23:14:59,032 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 23:14:59,032 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2019-10-13 23:14:59,034 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 23:14:59,035 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 23:14:59,035 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 23:14:59,035 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 23:14:59,035 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 23:14:59,036 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-13 23:14:59,036 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 23:14:59,036 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 23:14:59,036 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-10-13 23:14:59,036 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-10-13 23:14:59,037 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 23:14:59,037 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 23:14:59,037 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 23:14:59,037 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 23:14:59,037 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 23:14:59,038 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 23:14:59,038 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 23:14:59,038 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 23:14:59,038 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 23:14:59,039 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 23:14:59,039 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 23:14:59,039 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 23:14:59,039 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 23:14:59,039 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 23:14:59,039 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 23:14:59,040 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 23:14:59,040 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 23:14:59,040 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 23:14:59,040 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 23:14:59,040 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 23:14:59,040 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 23:14:59,041 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 23:14:59,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 23:14:59,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 23:14:59,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 23:14:59,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 23:14:59,043 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 23:14:59,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 23:14:59,044 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 23:14:59,044 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 23:14:59,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 23:14:59,044 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 23:14:59,044 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 23:14:59,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 23:14:59,045 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 23:14:59,045 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 23:14:59,046 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 23:14:59,046 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 23:14:59,046 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 23:14:59,046 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 23:14:59,046 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 23:14:59,046 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 23:14:59,046 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 23:14:59,047 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-13 23:14:59,047 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-10-13 23:14:59,047 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 23:14:59,047 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2019-10-13 23:14:59,048 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 23:14:59,048 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 23:14:59,048 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 23:14:59,049 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 23:14:59,049 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 23:14:59,049 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 23:14:59,049 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-10-13 23:14:59,050 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 23:14:59,051 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 23:14:59,051 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 23:14:59,051 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 23:14:59,051 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 23:14:59,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 23:14:59,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 23:14:59,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 23:15:00,415 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 23:15:00,415 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 23:15:00,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:15:00 BoogieIcfgContainer [2019-10-13 23:15:00,417 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 23:15:00,418 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 23:15:00,418 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 23:15:00,421 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 23:15:00,422 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:14:58" (1/3) ... [2019-10-13 23:15:00,422 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fc168c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:15:00, skipping insertion in model container [2019-10-13 23:15:00,423 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:58" (2/3) ... [2019-10-13 23:15:00,423 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fc168c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:15:00, skipping insertion in model container [2019-10-13 23:15:00,423 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:15:00" (3/3) ... [2019-10-13 23:15:00,425 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product11.cil.c [2019-10-13 23:15:00,435 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 23:15:00,444 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 23:15:00,456 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 23:15:00,483 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 23:15:00,483 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 23:15:00,483 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 23:15:00,484 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 23:15:00,484 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 23:15:00,485 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 23:15:00,485 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 23:15:00,485 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 23:15:00,513 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states. [2019-10-13 23:15:00,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-13 23:15:00,524 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:15:00,525 INFO L380 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] [2019-10-13 23:15:00,529 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:15:00,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:15:00,535 INFO L82 PathProgramCache]: Analyzing trace with hash 1240647086, now seen corresponding path program 1 times [2019-10-13 23:15:00,545 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:15:00,545 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487338864] [2019-10-13 23:15:00,545 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:15:00,546 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:15:00,546 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:15:00,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:15:00,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:15:00,952 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487338864] [2019-10-13 23:15:00,953 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:15:00,954 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 23:15:00,955 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649815139] [2019-10-13 23:15:00,961 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 23:15:00,962 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:15:00,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 23:15:00,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 23:15:00,988 INFO L87 Difference]: Start difference. First operand 125 states. Second operand 2 states. [2019-10-13 23:15:01,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:15:01,042 INFO L93 Difference]: Finished difference Result 162 states and 199 transitions. [2019-10-13 23:15:01,043 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 23:15:01,045 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-10-13 23:15:01,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:15:01,059 INFO L225 Difference]: With dead ends: 162 [2019-10-13 23:15:01,059 INFO L226 Difference]: Without dead ends: 83 [2019-10-13 23:15:01,065 INFO L600 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 [2019-10-13 23:15:01,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2019-10-13 23:15:01,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2019-10-13 23:15:01,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2019-10-13 23:15:01,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 95 transitions. [2019-10-13 23:15:01,147 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 95 transitions. Word has length 46 [2019-10-13 23:15:01,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:15:01,147 INFO L462 AbstractCegarLoop]: Abstraction has 83 states and 95 transitions. [2019-10-13 23:15:01,147 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 23:15:01,148 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 95 transitions. [2019-10-13 23:15:01,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-13 23:15:01,154 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:15:01,154 INFO L380 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] [2019-10-13 23:15:01,154 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:15:01,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:15:01,156 INFO L82 PathProgramCache]: Analyzing trace with hash 317195835, now seen corresponding path program 1 times [2019-10-13 23:15:01,156 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:15:01,157 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944601082] [2019-10-13 23:15:01,157 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:15:01,157 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:15:01,157 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:15:01,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:15:01,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:15:01,322 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944601082] [2019-10-13 23:15:01,322 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:15:01,322 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:15:01,322 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704182842] [2019-10-13 23:15:01,325 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:15:01,325 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:15:01,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:15:01,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:15:01,326 INFO L87 Difference]: Start difference. First operand 83 states and 95 transitions. Second operand 3 states. [2019-10-13 23:15:01,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:15:01,354 INFO L93 Difference]: Finished difference Result 111 states and 126 transitions. [2019-10-13 23:15:01,355 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:15:01,355 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-10-13 23:15:01,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:15:01,357 INFO L225 Difference]: With dead ends: 111 [2019-10-13 23:15:01,357 INFO L226 Difference]: Without dead ends: 75 [2019-10-13 23:15:01,358 INFO L600 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 [2019-10-13 23:15:01,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2019-10-13 23:15:01,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2019-10-13 23:15:01,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2019-10-13 23:15:01,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 84 transitions. [2019-10-13 23:15:01,369 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 84 transitions. Word has length 47 [2019-10-13 23:15:01,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:15:01,369 INFO L462 AbstractCegarLoop]: Abstraction has 75 states and 84 transitions. [2019-10-13 23:15:01,369 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:15:01,370 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 84 transitions. [2019-10-13 23:15:01,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-10-13 23:15:01,371 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:15:01,372 INFO L380 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] [2019-10-13 23:15:01,372 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:15:01,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:15:01,372 INFO L82 PathProgramCache]: Analyzing trace with hash 497300282, now seen corresponding path program 1 times [2019-10-13 23:15:01,373 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:15:01,373 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430818553] [2019-10-13 23:15:01,373 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:15:01,373 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:15:01,374 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:15:01,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:15:01,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:15:01,598 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430818553] [2019-10-13 23:15:01,598 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:15:01,598 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 23:15:01,598 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403308342] [2019-10-13 23:15:01,599 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 23:15:01,599 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:15:01,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 23:15:01,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 23:15:01,600 INFO L87 Difference]: Start difference. First operand 75 states and 84 transitions. Second operand 7 states. [2019-10-13 23:15:01,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:15:01,921 INFO L93 Difference]: Finished difference Result 220 states and 261 transitions. [2019-10-13 23:15:01,921 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 23:15:01,921 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 50 [2019-10-13 23:15:01,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:15:01,926 INFO L225 Difference]: With dead ends: 220 [2019-10-13 23:15:01,927 INFO L226 Difference]: Without dead ends: 170 [2019-10-13 23:15:01,928 INFO L600 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 [2019-10-13 23:15:01,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2019-10-13 23:15:01,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 152. [2019-10-13 23:15:01,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2019-10-13 23:15:01,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 178 transitions. [2019-10-13 23:15:01,955 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 178 transitions. Word has length 50 [2019-10-13 23:15:01,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:15:01,955 INFO L462 AbstractCegarLoop]: Abstraction has 152 states and 178 transitions. [2019-10-13 23:15:01,955 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 23:15:01,955 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 178 transitions. [2019-10-13 23:15:01,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-13 23:15:01,957 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:15:01,957 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:15:01,958 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:15:01,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:15:01,958 INFO L82 PathProgramCache]: Analyzing trace with hash 808021038, now seen corresponding path program 1 times [2019-10-13 23:15:01,958 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:15:01,958 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960532060] [2019-10-13 23:15:01,959 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:15:01,959 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:15:01,959 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:15:01,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:15:02,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:15:02,096 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960532060] [2019-10-13 23:15:02,096 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:15:02,096 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 23:15:02,096 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877730091] [2019-10-13 23:15:02,097 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 23:15:02,097 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:15:02,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 23:15:02,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 23:15:02,098 INFO L87 Difference]: Start difference. First operand 152 states and 178 transitions. Second operand 6 states. [2019-10-13 23:15:02,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:15:02,282 INFO L93 Difference]: Finished difference Result 388 states and 471 transitions. [2019-10-13 23:15:02,282 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 23:15:02,282 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 53 [2019-10-13 23:15:02,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:15:02,286 INFO L225 Difference]: With dead ends: 388 [2019-10-13 23:15:02,286 INFO L226 Difference]: Without dead ends: 261 [2019-10-13 23:15:02,288 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-13 23:15:02,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2019-10-13 23:15:02,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 249. [2019-10-13 23:15:02,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 249 states. [2019-10-13 23:15:02,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 293 transitions. [2019-10-13 23:15:02,337 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 293 transitions. Word has length 53 [2019-10-13 23:15:02,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:15:02,337 INFO L462 AbstractCegarLoop]: Abstraction has 249 states and 293 transitions. [2019-10-13 23:15:02,337 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 23:15:02,338 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 293 transitions. [2019-10-13 23:15:02,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-10-13 23:15:02,340 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:15:02,340 INFO L380 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] [2019-10-13 23:15:02,340 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:15:02,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:15:02,341 INFO L82 PathProgramCache]: Analyzing trace with hash -1330328852, now seen corresponding path program 1 times [2019-10-13 23:15:02,341 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:15:02,341 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070569720] [2019-10-13 23:15:02,341 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:15:02,342 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:15:02,342 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:15:02,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:15:02,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:15:02,450 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070569720] [2019-10-13 23:15:02,450 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:15:02,451 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 23:15:02,451 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787681594] [2019-10-13 23:15:02,451 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 23:15:02,452 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:15:02,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 23:15:02,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 23:15:02,453 INFO L87 Difference]: Start difference. First operand 249 states and 293 transitions. Second operand 6 states. [2019-10-13 23:15:02,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:15:02,609 INFO L93 Difference]: Finished difference Result 449 states and 548 transitions. [2019-10-13 23:15:02,610 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 23:15:02,610 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 56 [2019-10-13 23:15:02,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:15:02,611 INFO L225 Difference]: With dead ends: 449 [2019-10-13 23:15:02,611 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 23:15:02,614 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-13 23:15:02,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 23:15:02,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 23:15:02,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 23:15:02,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 23:15:02,615 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2019-10-13 23:15:02,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:15:02,616 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 23:15:02,616 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 23:15:02,616 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 23:15:02,616 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 23:15:02,621 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 23:15:03,264 INFO L443 ceAbstractionStarter]: For program point L161(lines 161 165) no Hoare annotation was computed. [2019-10-13 23:15:03,264 INFO L443 ceAbstractionStarter]: For program point L155-2(lines 155 176) no Hoare annotation was computed. [2019-10-13 23:15:03,264 INFO L443 ceAbstractionStarter]: For program point L177(lines 154 178) no Hoare annotation was computed. [2019-10-13 23:15:03,264 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 130 185) no Hoare annotation was computed. [2019-10-13 23:15:03,265 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 130 185) no Hoare annotation was computed. [2019-10-13 23:15:03,265 INFO L443 ceAbstractionStarter]: For program point L218(lines 218 222) no Hoare annotation was computed. [2019-10-13 23:15:03,265 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 186 245) no Hoare annotation was computed. [2019-10-13 23:15:03,265 INFO L443 ceAbstractionStarter]: For program point L212-2(lines 212 237) no Hoare annotation was computed. [2019-10-13 23:15:03,265 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 186 245) no Hoare annotation was computed. [2019-10-13 23:15:03,265 INFO L443 ceAbstractionStarter]: For program point L238(lines 211 239) no Hoare annotation was computed. [2019-10-13 23:15:03,265 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 186 245) no Hoare annotation was computed. [2019-10-13 23:15:03,265 INFO L443 ceAbstractionStarter]: For program point L231(line 231) no Hoare annotation was computed. [2019-10-13 23:15:03,265 INFO L443 ceAbstractionStarter]: For program point L231-1(line 231) no Hoare annotation was computed. [2019-10-13 23:15:03,265 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2019-10-13 23:15:03,265 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2019-10-13 23:15:03,266 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2019-10-13 23:15:03,266 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2019-10-13 23:15:03,266 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 866 888) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:15:03,266 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 866 888) no Hoare annotation was computed. [2019-10-13 23:15:03,266 INFO L439 ceAbstractionStarter]: At program point L878(line 878) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= main_~tmp~6 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:15:03,267 INFO L439 ceAbstractionStarter]: At program point L878-1(line 878) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= main_~tmp~6 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:15:03,267 INFO L443 ceAbstractionStarter]: For program point L876(lines 876 883) no Hoare annotation was computed. [2019-10-13 23:15:03,267 INFO L443 ceAbstractionStarter]: For program point L876-1(lines 876 883) no Hoare annotation was computed. [2019-10-13 23:15:03,267 INFO L443 ceAbstractionStarter]: For program point L874(line 874) no Hoare annotation was computed. [2019-10-13 23:15:03,267 INFO L439 ceAbstractionStarter]: At program point L873(line 873) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:15:03,267 INFO L439 ceAbstractionStarter]: At program point L872(line 872) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:15:03,268 INFO L439 ceAbstractionStarter]: At program point L872-1(line 872) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:15:03,268 INFO L443 ceAbstractionStarter]: For program point L833(line 833) no Hoare annotation was computed. [2019-10-13 23:15:03,268 INFO L443 ceAbstractionStarter]: For program point L832(line 832) no Hoare annotation was computed. [2019-10-13 23:15:03,268 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 824 847) no Hoare annotation was computed. [2019-10-13 23:15:03,268 INFO L443 ceAbstractionStarter]: For program point L831(line 831) no Hoare annotation was computed. [2019-10-13 23:15:03,268 INFO L443 ceAbstractionStarter]: For program point L830(line 830) no Hoare annotation was computed. [2019-10-13 23:15:03,268 INFO L443 ceAbstractionStarter]: For program point L829(line 829) no Hoare annotation was computed. [2019-10-13 23:15:03,269 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 824 847) no Hoare annotation was computed. [2019-10-13 23:15:03,269 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 824 847) no Hoare annotation was computed. [2019-10-13 23:15:03,269 INFO L443 ceAbstractionStarter]: For program point L842(line 842) no Hoare annotation was computed. [2019-10-13 23:15:03,269 INFO L443 ceAbstractionStarter]: For program point L841(line 841) no Hoare annotation was computed. [2019-10-13 23:15:03,269 INFO L443 ceAbstractionStarter]: For program point L840(line 840) no Hoare annotation was computed. [2019-10-13 23:15:03,269 INFO L443 ceAbstractionStarter]: For program point L839(line 839) no Hoare annotation was computed. [2019-10-13 23:15:03,269 INFO L443 ceAbstractionStarter]: For program point L838(line 838) no Hoare annotation was computed. [2019-10-13 23:15:03,269 INFO L443 ceAbstractionStarter]: For program point L837(line 837) no Hoare annotation was computed. [2019-10-13 23:15:03,269 INFO L443 ceAbstractionStarter]: For program point L836(line 836) no Hoare annotation was computed. [2019-10-13 23:15:03,269 INFO L443 ceAbstractionStarter]: For program point L835(line 835) no Hoare annotation was computed. [2019-10-13 23:15:03,269 INFO L443 ceAbstractionStarter]: For program point L834(line 834) no Hoare annotation was computed. [2019-10-13 23:15:03,270 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 578 592) no Hoare annotation was computed. [2019-10-13 23:15:03,270 INFO L439 ceAbstractionStarter]: At program point L584(line 584) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2019-10-13 23:15:03,270 INFO L443 ceAbstractionStarter]: For program point L582(lines 582 588) no Hoare annotation was computed. [2019-10-13 23:15:03,270 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 578 592) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0)) [2019-10-13 23:15:03,270 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__baseEXIT(lines 488 495) no Hoare annotation was computed. [2019-10-13 23:15:03,270 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__baseENTRY(lines 488 495) no Hoare annotation was computed. [2019-10-13 23:15:03,270 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 533 541) no Hoare annotation was computed. [2019-10-13 23:15:03,270 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 533 541) the Hoare annotation is: true [2019-10-13 23:15:03,270 INFO L443 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2019-10-13 23:15:03,270 INFO L443 ceAbstractionStarter]: For program point L572-1(line 572) no Hoare annotation was computed. [2019-10-13 23:15:03,270 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 542 577) no Hoare annotation was computed. [2019-10-13 23:15:03,271 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 542 577) no Hoare annotation was computed. [2019-10-13 23:15:03,271 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2019-10-13 23:15:03,271 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2019-10-13 23:15:03,271 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 84 129) no Hoare annotation was computed. [2019-10-13 23:15:03,271 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 84 129) no Hoare annotation was computed. [2019-10-13 23:15:03,271 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 397 442) no Hoare annotation was computed. [2019-10-13 23:15:03,271 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 397 442) no Hoare annotation was computed. [2019-10-13 23:15:03,271 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 855 865) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:15:03,271 INFO L439 ceAbstractionStarter]: At program point L860(line 860) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:15:03,271 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 855 865) no Hoare annotation was computed. [2019-10-13 23:15:03,272 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 855 865) no Hoare annotation was computed. [2019-10-13 23:15:03,272 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 522 532) no Hoare annotation was computed. [2019-10-13 23:15:03,272 INFO L443 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2019-10-13 23:15:03,272 INFO L443 ceAbstractionStarter]: For program point L527-1(line 527) no Hoare annotation was computed. [2019-10-13 23:15:03,272 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 522 532) no Hoare annotation was computed. [2019-10-13 23:15:03,272 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 514 521) the Hoare annotation is: true [2019-10-13 23:15:03,272 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 514 521) no Hoare annotation was computed. [2019-10-13 23:15:03,272 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 481 487) no Hoare annotation was computed. [2019-10-13 23:15:03,272 INFO L446 ceAbstractionStarter]: At program point processEnvironmentFINAL(lines 481 487) the Hoare annotation is: true [2019-10-13 23:15:03,272 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 597 662) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:15:03,272 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 597 662) no Hoare annotation was computed. [2019-10-13 23:15:03,273 INFO L439 ceAbstractionStarter]: At program point L655(lines 606 656) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:15:03,273 INFO L439 ceAbstractionStarter]: At program point L645(line 645) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:15:03,273 INFO L443 ceAbstractionStarter]: For program point L643(lines 643 649) no Hoare annotation was computed. [2019-10-13 23:15:03,273 INFO L439 ceAbstractionStarter]: At program point L643-1(lines 637 650) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:15:03,273 INFO L443 ceAbstractionStarter]: For program point L608(lines 607 654) no Hoare annotation was computed. [2019-10-13 23:15:03,273 INFO L443 ceAbstractionStarter]: For program point L637(lines 637 650) no Hoare annotation was computed. [2019-10-13 23:15:03,273 INFO L439 ceAbstractionStarter]: At program point L629(line 629) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:15:03,273 INFO L443 ceAbstractionStarter]: For program point L627(lines 627 633) no Hoare annotation was computed. [2019-10-13 23:15:03,274 INFO L443 ceAbstractionStarter]: For program point L627-1(lines 627 633) no Hoare annotation was computed. [2019-10-13 23:15:03,274 INFO L439 ceAbstractionStarter]: At program point L652(lines 607 654) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:15:03,274 INFO L439 ceAbstractionStarter]: At program point L619(line 619) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:15:03,274 INFO L443 ceAbstractionStarter]: For program point L617(lines 617 623) no Hoare annotation was computed. [2019-10-13 23:15:03,274 INFO L443 ceAbstractionStarter]: For program point L617-1(lines 617 623) no Hoare annotation was computed. [2019-10-13 23:15:03,274 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 597 662) no Hoare annotation was computed. [2019-10-13 23:15:03,274 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 351 396) no Hoare annotation was computed. [2019-10-13 23:15:03,275 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 351 396) no Hoare annotation was computed. [2019-10-13 23:15:03,275 INFO L439 ceAbstractionStarter]: At program point L697(line 697) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2019-10-13 23:15:03,275 INFO L443 ceAbstractionStarter]: For program point L695(lines 695 701) no Hoare annotation was computed. [2019-10-13 23:15:03,275 INFO L443 ceAbstractionStarter]: For program point L694(lines 694 704) no Hoare annotation was computed. [2019-10-13 23:15:03,275 INFO L439 ceAbstractionStarter]: At program point L692(line 692) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~methaneLevelCritical~0 0))) [2019-10-13 23:15:03,275 INFO L443 ceAbstractionStarter]: For program point L692-1(line 692) no Hoare annotation was computed. [2019-10-13 23:15:03,275 INFO L443 ceAbstractionStarter]: For program point L690(lines 690 707) no Hoare annotation was computed. [2019-10-13 23:15:03,275 INFO L443 ceAbstractionStarter]: For program point L690-1(lines 682 710) no Hoare annotation was computed. [2019-10-13 23:15:03,276 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 682 710) the Hoare annotation is: true [2019-10-13 23:15:03,276 INFO L446 ceAbstractionStarter]: At program point L688(line 688) the Hoare annotation is: true [2019-10-13 23:15:03,276 INFO L443 ceAbstractionStarter]: For program point L688-1(line 688) no Hoare annotation was computed. [2019-10-13 23:15:03,276 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 682 710) no Hoare annotation was computed. [2019-10-13 23:15:03,276 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 760 782) no Hoare annotation was computed. [2019-10-13 23:15:03,276 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 760 782) no Hoare annotation was computed. [2019-10-13 23:15:03,276 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 674 681) the Hoare annotation is: true [2019-10-13 23:15:03,276 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 674 681) no Hoare annotation was computed. [2019-10-13 23:15:03,277 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2019-10-13 23:15:03,277 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2019-10-13 23:15:03,277 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 248 350) no Hoare annotation was computed. [2019-10-13 23:15:03,277 INFO L443 ceAbstractionStarter]: For program point L318(lines 296 319) no Hoare annotation was computed. [2019-10-13 23:15:03,277 INFO L443 ceAbstractionStarter]: For program point L277(lines 277 293) no Hoare annotation was computed. [2019-10-13 23:15:03,277 INFO L443 ceAbstractionStarter]: For program point L298(lines 297 317) no Hoare annotation was computed. [2019-10-13 23:15:03,277 INFO L443 ceAbstractionStarter]: For program point L329(line 329) no Hoare annotation was computed. [2019-10-13 23:15:03,277 INFO L443 ceAbstractionStarter]: For program point L329-1(line 329) no Hoare annotation was computed. [2019-10-13 23:15:03,277 INFO L443 ceAbstractionStarter]: For program point L294(lines 294 335) no Hoare annotation was computed. [2019-10-13 23:15:03,277 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 248 350) no Hoare annotation was computed. [2019-10-13 23:15:03,277 INFO L443 ceAbstractionStarter]: For program point L313(line 313) no Hoare annotation was computed. [2019-10-13 23:15:03,277 INFO L443 ceAbstractionStarter]: For program point L313-1(line 313) no Hoare annotation was computed. [2019-10-13 23:15:03,278 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 248 350) no Hoare annotation was computed. [2019-10-13 23:15:03,278 INFO L443 ceAbstractionStarter]: For program point L272(lines 272 276) no Hoare annotation was computed. [2019-10-13 23:15:03,278 INFO L443 ceAbstractionStarter]: For program point L297-2(lines 297 317) no Hoare annotation was computed. [2019-10-13 23:15:03,278 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-10-13 23:15:03,278 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:15:03,278 INFO L443 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2019-10-13 23:15:03,278 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 497 513) no Hoare annotation was computed. [2019-10-13 23:15:03,278 INFO L443 ceAbstractionStarter]: For program point L508-1(lines 497 513) no Hoare annotation was computed. [2019-10-13 23:15:03,279 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 497 513) no Hoare annotation was computed. [2019-10-13 23:15:03,279 INFO L443 ceAbstractionStarter]: For program point L504(lines 504 510) no Hoare annotation was computed. [2019-10-13 23:15:03,279 INFO L443 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2019-10-13 23:15:03,279 INFO L443 ceAbstractionStarter]: For program point L502-1(line 502) no Hoare annotation was computed. [2019-10-13 23:15:03,279 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 783 791) no Hoare annotation was computed. [2019-10-13 23:15:03,279 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 783 791) no Hoare annotation was computed. [2019-10-13 23:15:03,279 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:15:03,279 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 23:15:03,280 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 739 750) the Hoare annotation is: true [2019-10-13 23:15:03,280 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 739 750) no Hoare annotation was computed. [2019-10-13 23:15:03,280 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 751 759) the Hoare annotation is: true [2019-10-13 23:15:03,280 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 751 759) no Hoare annotation was computed. [2019-10-13 23:15:03,280 INFO L439 ceAbstractionStarter]: At program point L470(line 470) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= 0 ~systemActive~0))) [2019-10-13 23:15:03,280 INFO L446 ceAbstractionStarter]: At program point L468(lines 468 474) the Hoare annotation is: true [2019-10-13 23:15:03,280 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 457 480) the Hoare annotation is: true [2019-10-13 23:15:03,280 INFO L439 ceAbstractionStarter]: At program point L463(line 463) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2019-10-13 23:15:03,281 INFO L443 ceAbstractionStarter]: For program point L461(lines 460 479) no Hoare annotation was computed. [2019-10-13 23:15:03,281 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 457 480) no Hoare annotation was computed. [2019-10-13 23:15:03,281 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 457 480) no Hoare annotation was computed. [2019-10-13 23:15:03,281 INFO L446 ceAbstractionStarter]: At program point L800(line 800) the Hoare annotation is: true [2019-10-13 23:15:03,281 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 794 823) no Hoare annotation was computed. [2019-10-13 23:15:03,281 INFO L443 ceAbstractionStarter]: For program point L800-1(line 800) no Hoare annotation was computed. [2019-10-13 23:15:03,281 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 794 823) the Hoare annotation is: true [2019-10-13 23:15:03,281 INFO L446 ceAbstractionStarter]: At program point L819(lines 794 823) the Hoare annotation is: true [2019-10-13 23:15:03,282 INFO L443 ceAbstractionStarter]: For program point L815(line 815) no Hoare annotation was computed. [2019-10-13 23:15:03,282 INFO L443 ceAbstractionStarter]: For program point L808(lines 808 812) no Hoare annotation was computed. [2019-10-13 23:15:03,282 INFO L446 ceAbstractionStarter]: At program point L808-1(lines 808 812) the Hoare annotation is: true [2019-10-13 23:15:03,282 INFO L446 ceAbstractionStarter]: At program point L804-2(lines 804 818) the Hoare annotation is: true [2019-10-13 23:15:03,282 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 715 726) the Hoare annotation is: true [2019-10-13 23:15:03,282 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 715 726) no Hoare annotation was computed. [2019-10-13 23:15:03,282 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 848 854) no Hoare annotation was computed. [2019-10-13 23:15:03,282 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 848 854) the Hoare annotation is: true [2019-10-13 23:15:03,282 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:15:03,283 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-13 23:15:03,283 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 23:15:03,283 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 23:15:03,283 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 727 738) no Hoare annotation was computed. [2019-10-13 23:15:03,283 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 727 738) the Hoare annotation is: true [2019-10-13 23:15:03,283 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 668) no Hoare annotation was computed. [2019-10-13 23:15:03,284 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 664 671) the Hoare annotation is: true [2019-10-13 23:15:03,284 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 664 671) no Hoare annotation was computed. [2019-10-13 23:15:03,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 11:15:03 BoogieIcfgContainer [2019-10-13 23:15:03,309 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 23:15:03,312 INFO L168 Benchmark]: Toolchain (without parser) took 5151.87 ms. Allocated memory was 139.5 MB in the beginning and 246.4 MB in the end (delta: 107.0 MB). Free memory was 102.9 MB in the beginning and 125.2 MB in the end (delta: -22.3 MB). Peak memory consumption was 119.9 MB. Max. memory is 7.1 GB. [2019-10-13 23:15:03,313 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory was 122.7 MB in the beginning and 122.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-13 23:15:03,314 INFO L168 Benchmark]: CACSL2BoogieTranslator took 665.91 ms. Allocated memory was 139.5 MB in the beginning and 204.5 MB in the end (delta: 65.0 MB). Free memory was 102.7 MB in the beginning and 170.4 MB in the end (delta: -67.7 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. [2019-10-13 23:15:03,315 INFO L168 Benchmark]: Boogie Preprocessor took 122.72 ms. Allocated memory is still 204.5 MB. Free memory was 170.4 MB in the beginning and 166.3 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-10-13 23:15:03,316 INFO L168 Benchmark]: RCFGBuilder took 1466.74 ms. Allocated memory was 204.5 MB in the beginning and 235.9 MB in the end (delta: 31.5 MB). Free memory was 166.3 MB in the beginning and 152.3 MB in the end (delta: 14.1 MB). Peak memory consumption was 79.7 MB. Max. memory is 7.1 GB. [2019-10-13 23:15:03,317 INFO L168 Benchmark]: TraceAbstraction took 2890.78 ms. Allocated memory was 235.9 MB in the beginning and 246.4 MB in the end (delta: 10.5 MB). Free memory was 150.9 MB in the beginning and 125.2 MB in the end (delta: 25.7 MB). Peak memory consumption was 71.4 MB. Max. memory is 7.1 GB. [2019-10-13 23:15:03,321 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory was 122.7 MB in the beginning and 122.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 665.91 ms. Allocated memory was 139.5 MB in the beginning and 204.5 MB in the end (delta: 65.0 MB). Free memory was 102.7 MB in the beginning and 170.4 MB in the end (delta: -67.7 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 122.72 ms. Allocated memory is still 204.5 MB. Free memory was 170.4 MB in the beginning and 166.3 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1466.74 ms. Allocated memory was 204.5 MB in the beginning and 235.9 MB in the end (delta: 31.5 MB). Free memory was 166.3 MB in the beginning and 152.3 MB in the end (delta: 14.1 MB). Peak memory consumption was 79.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2890.78 ms. Allocated memory was 235.9 MB in the beginning and 246.4 MB in the end (delta: 10.5 MB). Free memory was 150.9 MB in the beginning and 125.2 MB in the end (delta: 25.7 MB). Peak memory consumption was 71.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 668]: 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: 606]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 804]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 794]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 607]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (0 == splverifierCounter && pumpRunning == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 168 locations, 1 error locations. Result: SAFE, OverallTime: 2.8s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, HoareTripleCheckerStatistics: 446 SDtfs, 212 SDslu, 878 SDs, 0 SdLazy, 236 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=249occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 30 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 46 LocationsWithAnnotation, 296 PreInvPairs, 334 NumberOfFragments, 398 HoareAnnotationTreeSize, 296 FomulaSimplifications, 313 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 46 FomulaSimplificationsInter, 1199 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 252 NumberOfCodeBlocks, 252 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 247 ConstructedInterpolants, 0 QuantifiedInterpolants, 22402 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 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...