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_product10.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 15:16:21,953 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 15:16:21,956 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 15:16:21,967 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 15:16:21,968 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 15:16:21,969 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 15:16:21,970 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 15:16:21,972 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 15:16:21,973 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 15:16:21,974 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 15:16:21,975 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 15:16:21,976 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 15:16:21,977 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 15:16:21,978 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 15:16:21,978 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 15:16:21,980 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 15:16:21,980 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 15:16:21,981 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 15:16:21,983 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 15:16:21,985 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 15:16:21,987 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 15:16:21,988 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 15:16:21,989 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 15:16:21,990 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 15:16:21,993 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 15:16:21,993 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 15:16:21,993 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 15:16:21,994 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 15:16:21,995 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 15:16:21,996 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 15:16:21,996 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 15:16:21,997 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 15:16:21,998 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 15:16:21,999 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 15:16:22,000 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 15:16:22,000 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 15:16:22,001 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 15:16:22,002 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 15:16:22,002 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 15:16:22,003 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 15:16:22,008 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 15:16:22,009 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 15:16:22,036 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 15:16:22,037 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 15:16:22,039 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 15:16:22,039 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 15:16:22,039 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 15:16:22,040 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 15:16:22,040 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 15:16:22,040 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 15:16:22,041 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 15:16:22,041 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 15:16:22,041 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 15:16:22,041 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 15:16:22,042 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 15:16:22,042 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 15:16:22,042 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 15:16:22,043 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 15:16:22,044 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 15:16:22,044 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 15:16:22,044 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 15:16:22,044 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 15:16:22,044 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 15:16:22,045 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:16:22,045 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 15:16:22,045 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 15:16:22,045 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 15:16:22,045 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 15:16:22,046 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 15:16:22,046 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 15:16:22,047 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 15:16:22,335 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 15:16:22,350 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 15:16:22,354 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 15:16:22,355 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 15:16:22,356 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 15:16:22,356 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product10.cil.c [2019-10-07 15:16:22,420 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba90546b6/927fc7c7fada48589e9693b020b8fd0e/FLAG50a006a4c [2019-10-07 15:16:22,983 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 15:16:22,984 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product10.cil.c [2019-10-07 15:16:23,005 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba90546b6/927fc7c7fada48589e9693b020b8fd0e/FLAG50a006a4c [2019-10-07 15:16:23,275 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba90546b6/927fc7c7fada48589e9693b020b8fd0e [2019-10-07 15:16:23,287 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 15:16:23,289 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 15:16:23,293 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 15:16:23,293 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 15:16:23,296 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 15:16:23,297 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:16:23" (1/1) ... [2019-10-07 15:16:23,301 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@761c7118 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:16:23, skipping insertion in model container [2019-10-07 15:16:23,301 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:16:23" (1/1) ... [2019-10-07 15:16:23,309 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 15:16:23,359 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 15:16:23,754 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:16:23,778 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 15:16:23,916 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:16:23,951 INFO L192 MainTranslator]: Completed translation [2019-10-07 15:16:23,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:16:23 WrapperNode [2019-10-07 15:16:23,952 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 15:16:23,953 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 15:16:23,953 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 15:16:23,953 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 15:16:23,968 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:16:23" (1/1) ... [2019-10-07 15:16:23,969 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:16:23" (1/1) ... [2019-10-07 15:16:23,990 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:16:23" (1/1) ... [2019-10-07 15:16:23,991 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:16:23" (1/1) ... [2019-10-07 15:16:24,024 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:16:23" (1/1) ... [2019-10-07 15:16:24,041 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:16:23" (1/1) ... [2019-10-07 15:16:24,046 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:16:23" (1/1) ... [2019-10-07 15:16:24,058 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 15:16:24,061 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 15:16:24,061 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 15:16:24,061 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 15:16:24,065 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:16:23" (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 15:16:24,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 15:16:24,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 15:16:24,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 15:16:24,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 15:16:24,151 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-07 15:16:24,152 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-07 15:16:24,153 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-07 15:16:24,153 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-07 15:16:24,153 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-07 15:16:24,153 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-07 15:16:24,153 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 15:16:24,154 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 15:16:24,155 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 15:16:24,155 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 15:16:24,155 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 15:16:24,155 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 15:16:24,157 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 15:16:24,158 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 15:16:24,158 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 15:16:24,158 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 15:16:24,158 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 15:16:24,158 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-07 15:16:24,159 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-07 15:16:24,159 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2019-10-07 15:16:24,159 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-07 15:16:24,159 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-07 15:16:24,159 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-07 15:16:24,159 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-07 15:16:24,159 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-07 15:16:24,160 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-07 15:16:24,160 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-10-07 15:16:24,160 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-10-07 15:16:24,160 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-07 15:16:24,161 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-07 15:16:24,161 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 15:16:24,161 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-07 15:16:24,161 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 15:16:24,161 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 15:16:24,161 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 15:16:24,162 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 15:16:24,162 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 15:16:24,162 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-07 15:16:24,162 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-07 15:16:24,162 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-07 15:16:24,162 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-07 15:16:24,162 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-07 15:16:24,163 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-07 15:16:24,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 15:16:24,163 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 15:16:24,163 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 15:16:24,163 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 15:16:24,163 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 15:16:24,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 15:16:24,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 15:16:24,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 15:16:24,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 15:16:24,164 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 15:16:24,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 15:16:24,165 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 15:16:24,165 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 15:16:24,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 15:16:24,165 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 15:16:24,166 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 15:16:24,166 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 15:16:24,166 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 15:16:24,166 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 15:16:24,166 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 15:16:24,167 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 15:16:24,167 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-07 15:16:24,167 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-07 15:16:24,167 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-07 15:16:24,167 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 15:16:24,167 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-07 15:16:24,168 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-07 15:16:24,169 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-07 15:16:24,169 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-07 15:16:24,169 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-10-07 15:16:24,170 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-07 15:16:24,170 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2019-10-07 15:16:24,170 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-07 15:16:24,171 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-10-07 15:16:24,171 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-07 15:16:24,171 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 15:16:24,171 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-07 15:16:24,171 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 15:16:24,172 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 15:16:24,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 15:16:24,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 15:16:25,791 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 15:16:25,791 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-07 15:16:25,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:16:25 BoogieIcfgContainer [2019-10-07 15:16:25,793 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 15:16:25,794 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 15:16:25,794 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 15:16:25,797 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 15:16:25,798 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:16:23" (1/3) ... [2019-10-07 15:16:25,799 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f33f7f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:16:25, skipping insertion in model container [2019-10-07 15:16:25,799 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:16:23" (2/3) ... [2019-10-07 15:16:25,799 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f33f7f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:16:25, skipping insertion in model container [2019-10-07 15:16:25,800 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:16:25" (3/3) ... [2019-10-07 15:16:25,801 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product10.cil.c [2019-10-07 15:16:25,811 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 15:16:25,820 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 15:16:25,832 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 15:16:25,859 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 15:16:25,860 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 15:16:25,860 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 15:16:25,860 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 15:16:25,861 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 15:16:25,861 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 15:16:25,861 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 15:16:25,861 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 15:16:25,883 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states. [2019-10-07 15:16:25,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-07 15:16:25,891 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:16:25,893 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] [2019-10-07 15:16:25,895 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:16:25,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:16:25,901 INFO L82 PathProgramCache]: Analyzing trace with hash 524772044, now seen corresponding path program 1 times [2019-10-07 15:16:25,909 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:16:25,910 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:16:25,910 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:16:25,910 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:16:25,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:16:26,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:16:26,290 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 15:16:26,291 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:16:26,292 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:16:26,292 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 15:16:26,297 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 15:16:26,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 15:16:26,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:16:26,311 INFO L87 Difference]: Start difference. First operand 120 states. Second operand 2 states. [2019-10-07 15:16:26,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:16:26,370 INFO L93 Difference]: Finished difference Result 152 states and 185 transitions. [2019-10-07 15:16:26,371 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 15:16:26,372 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-10-07 15:16:26,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:16:26,389 INFO L225 Difference]: With dead ends: 152 [2019-10-07 15:16:26,390 INFO L226 Difference]: Without dead ends: 78 [2019-10-07 15:16:26,400 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 15:16:26,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2019-10-07 15:16:26,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2019-10-07 15:16:26,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2019-10-07 15:16:26,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 88 transitions. [2019-10-07 15:16:26,482 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 88 transitions. Word has length 46 [2019-10-07 15:16:26,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:16:26,483 INFO L462 AbstractCegarLoop]: Abstraction has 78 states and 88 transitions. [2019-10-07 15:16:26,483 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 15:16:26,483 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 88 transitions. [2019-10-07 15:16:26,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-07 15:16:26,490 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:16:26,490 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 15:16:26,492 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:16:26,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:16:26,493 INFO L82 PathProgramCache]: Analyzing trace with hash -1896741154, now seen corresponding path program 1 times [2019-10-07 15:16:26,494 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:16:26,494 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:16:26,494 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:16:26,494 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:16:26,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:16:26,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:16:26,632 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 15:16:26,632 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:16:26,633 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:16:26,633 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:16:26,635 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:16:26,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:16:26,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:16:26,636 INFO L87 Difference]: Start difference. First operand 78 states and 88 transitions. Second operand 3 states. [2019-10-07 15:16:26,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:16:26,653 INFO L93 Difference]: Finished difference Result 106 states and 119 transitions. [2019-10-07 15:16:26,653 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:16:26,653 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-10-07 15:16:26,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:16:26,655 INFO L225 Difference]: With dead ends: 106 [2019-10-07 15:16:26,655 INFO L226 Difference]: Without dead ends: 70 [2019-10-07 15:16:26,657 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 15:16:26,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2019-10-07 15:16:26,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2019-10-07 15:16:26,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2019-10-07 15:16:26,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 77 transitions. [2019-10-07 15:16:26,668 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 77 transitions. Word has length 47 [2019-10-07 15:16:26,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:16:26,668 INFO L462 AbstractCegarLoop]: Abstraction has 70 states and 77 transitions. [2019-10-07 15:16:26,669 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:16:26,669 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 77 transitions. [2019-10-07 15:16:26,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-10-07 15:16:26,671 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:16:26,671 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] [2019-10-07 15:16:26,671 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:16:26,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:16:26,672 INFO L82 PathProgramCache]: Analyzing trace with hash -1638035110, now seen corresponding path program 1 times [2019-10-07 15:16:26,672 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:16:26,672 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:16:26,672 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:16:26,673 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:16:26,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:16:26,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:16:26,858 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 15:16:26,858 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:16:26,859 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:16:26,859 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:16:26,860 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:16:26,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:16:26,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:16:26,861 INFO L87 Difference]: Start difference. First operand 70 states and 77 transitions. Second operand 7 states. [2019-10-07 15:16:27,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:16:27,138 INFO L93 Difference]: Finished difference Result 115 states and 130 transitions. [2019-10-07 15:16:27,140 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 15:16:27,140 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 50 [2019-10-07 15:16:27,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:16:27,142 INFO L225 Difference]: With dead ends: 115 [2019-10-07 15:16:27,143 INFO L226 Difference]: Without dead ends: 70 [2019-10-07 15:16:27,144 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 15:16:27,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2019-10-07 15:16:27,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2019-10-07 15:16:27,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2019-10-07 15:16:27,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 76 transitions. [2019-10-07 15:16:27,159 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 76 transitions. Word has length 50 [2019-10-07 15:16:27,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:16:27,159 INFO L462 AbstractCegarLoop]: Abstraction has 70 states and 76 transitions. [2019-10-07 15:16:27,160 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:16:27,160 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 76 transitions. [2019-10-07 15:16:27,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-07 15:16:27,168 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:16:27,168 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:16:27,170 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:16:27,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:16:27,171 INFO L82 PathProgramCache]: Analyzing trace with hash -2040570515, now seen corresponding path program 1 times [2019-10-07 15:16:27,171 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:16:27,171 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:16:27,171 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:16:27,171 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:16:27,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:16:27,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:16:27,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:16:27,322 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:16:27,322 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:16:27,322 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 15:16:27,323 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 15:16:27,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 15:16:27,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-07 15:16:27,323 INFO L87 Difference]: Start difference. First operand 70 states and 76 transitions. Second operand 6 states. [2019-10-07 15:16:27,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:16:27,476 INFO L93 Difference]: Finished difference Result 152 states and 172 transitions. [2019-10-07 15:16:27,477 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 15:16:27,477 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 53 [2019-10-07 15:16:27,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:16:27,481 INFO L225 Difference]: With dead ends: 152 [2019-10-07 15:16:27,481 INFO L226 Difference]: Without dead ends: 107 [2019-10-07 15:16:27,482 INFO L606 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 [2019-10-07 15:16:27,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2019-10-07 15:16:27,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 103. [2019-10-07 15:16:27,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2019-10-07 15:16:27,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 113 transitions. [2019-10-07 15:16:27,500 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 113 transitions. Word has length 53 [2019-10-07 15:16:27,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:16:27,500 INFO L462 AbstractCegarLoop]: Abstraction has 103 states and 113 transitions. [2019-10-07 15:16:27,500 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 15:16:27,501 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 113 transitions. [2019-10-07 15:16:27,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-10-07 15:16:27,504 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:16:27,504 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] [2019-10-07 15:16:27,505 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:16:27,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:16:27,505 INFO L82 PathProgramCache]: Analyzing trace with hash -686182090, now seen corresponding path program 1 times [2019-10-07 15:16:27,505 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:16:27,505 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:16:27,506 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:16:27,506 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:16:27,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:16:27,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:16:27,635 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 15:16:27,636 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:16:27,636 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:16:27,636 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 15:16:27,637 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 15:16:27,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 15:16:27,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-07 15:16:27,639 INFO L87 Difference]: Start difference. First operand 103 states and 113 transitions. Second operand 6 states. [2019-10-07 15:16:27,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:16:27,790 INFO L93 Difference]: Finished difference Result 173 states and 196 transitions. [2019-10-07 15:16:27,792 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 15:16:27,792 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 56 [2019-10-07 15:16:27,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:16:27,793 INFO L225 Difference]: With dead ends: 173 [2019-10-07 15:16:27,793 INFO L226 Difference]: Without dead ends: 0 [2019-10-07 15:16:27,796 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 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 15:16:27,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-07 15:16:27,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-07 15:16:27,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-07 15:16:27,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-07 15:16:27,799 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2019-10-07 15:16:27,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:16:27,800 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-07 15:16:27,800 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 15:16:27,800 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-07 15:16:27,800 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-07 15:16:27,807 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-07 15:16:28,393 INFO L443 ceAbstractionStarter]: For program point L218(lines 218 222) no Hoare annotation was computed. [2019-10-07 15:16:28,393 INFO L443 ceAbstractionStarter]: For program point L212-2(lines 212 233) no Hoare annotation was computed. [2019-10-07 15:16:28,393 INFO L443 ceAbstractionStarter]: For program point L234(lines 211 235) no Hoare annotation was computed. [2019-10-07 15:16:28,393 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 187 242) no Hoare annotation was computed. [2019-10-07 15:16:28,393 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 187 242) no Hoare annotation was computed. [2019-10-07 15:16:28,393 INFO L443 ceAbstractionStarter]: For program point L288(line 288) no Hoare annotation was computed. [2019-10-07 15:16:28,394 INFO L443 ceAbstractionStarter]: For program point L288-1(line 288) no Hoare annotation was computed. [2019-10-07 15:16:28,394 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 243 302) no Hoare annotation was computed. [2019-10-07 15:16:28,394 INFO L443 ceAbstractionStarter]: For program point L275(lines 275 279) no Hoare annotation was computed. [2019-10-07 15:16:28,394 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 243 302) no Hoare annotation was computed. [2019-10-07 15:16:28,394 INFO L443 ceAbstractionStarter]: For program point L269-2(lines 269 294) no Hoare annotation was computed. [2019-10-07 15:16:28,395 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 243 302) no Hoare annotation was computed. [2019-10-07 15:16:28,395 INFO L443 ceAbstractionStarter]: For program point L295(lines 268 296) no Hoare annotation was computed. [2019-10-07 15:16:28,395 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 522 528) the Hoare annotation is: true [2019-10-07 15:16:28,395 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 522 528) no Hoare annotation was computed. [2019-10-07 15:16:28,395 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 529 537) no Hoare annotation was computed. [2019-10-07 15:16:28,395 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 529 537) the Hoare annotation is: true [2019-10-07 15:16:28,396 INFO L439 ceAbstractionStarter]: At program point L865(line 865) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:16:28,396 INFO L439 ceAbstractionStarter]: At program point L865-1(line 865) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:16:28,397 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 859 881) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:16:28,397 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 859 881) no Hoare annotation was computed. [2019-10-07 15:16:28,398 INFO L439 ceAbstractionStarter]: At program point L871(line 871) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= main_~tmp~6 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:16:28,398 INFO L439 ceAbstractionStarter]: At program point L871-1(line 871) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= main_~tmp~6 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:16:28,398 INFO L443 ceAbstractionStarter]: For program point L869(lines 869 876) no Hoare annotation was computed. [2019-10-07 15:16:28,398 INFO L443 ceAbstractionStarter]: For program point L869-1(lines 869 876) no Hoare annotation was computed. [2019-10-07 15:16:28,398 INFO L443 ceAbstractionStarter]: For program point L867(line 867) no Hoare annotation was computed. [2019-10-07 15:16:28,399 INFO L439 ceAbstractionStarter]: At program point L866(line 866) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:16:28,399 INFO L443 ceAbstractionStarter]: For program point L833(line 833) no Hoare annotation was computed. [2019-10-07 15:16:28,400 INFO L443 ceAbstractionStarter]: For program point L832(line 832) no Hoare annotation was computed. [2019-10-07 15:16:28,400 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 817 840) no Hoare annotation was computed. [2019-10-07 15:16:28,400 INFO L443 ceAbstractionStarter]: For program point L831(line 831) no Hoare annotation was computed. [2019-10-07 15:16:28,400 INFO L443 ceAbstractionStarter]: For program point L830(line 830) no Hoare annotation was computed. [2019-10-07 15:16:28,400 INFO L443 ceAbstractionStarter]: For program point L829(line 829) no Hoare annotation was computed. [2019-10-07 15:16:28,400 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 817 840) no Hoare annotation was computed. [2019-10-07 15:16:28,400 INFO L443 ceAbstractionStarter]: For program point L828(line 828) no Hoare annotation was computed. [2019-10-07 15:16:28,400 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 817 840) no Hoare annotation was computed. [2019-10-07 15:16:28,401 INFO L443 ceAbstractionStarter]: For program point L827(line 827) no Hoare annotation was computed. [2019-10-07 15:16:28,401 INFO L443 ceAbstractionStarter]: For program point L826(line 826) no Hoare annotation was computed. [2019-10-07 15:16:28,401 INFO L443 ceAbstractionStarter]: For program point L825(line 825) no Hoare annotation was computed. [2019-10-07 15:16:28,401 INFO L443 ceAbstractionStarter]: For program point L824(line 824) no Hoare annotation was computed. [2019-10-07 15:16:28,401 INFO L443 ceAbstractionStarter]: For program point L823(line 823) no Hoare annotation was computed. [2019-10-07 15:16:28,401 INFO L443 ceAbstractionStarter]: For program point L822(line 822) no Hoare annotation was computed. [2019-10-07 15:16:28,401 INFO L443 ceAbstractionStarter]: For program point L835(line 835) no Hoare annotation was computed. [2019-10-07 15:16:28,402 INFO L443 ceAbstractionStarter]: For program point L834(line 834) no Hoare annotation was computed. [2019-10-07 15:16:28,402 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__baseEXIT(lines 648 655) no Hoare annotation was computed. [2019-10-07 15:16:28,402 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__baseENTRY(lines 648 655) no Hoare annotation was computed. [2019-10-07 15:16:28,402 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 693 701) no Hoare annotation was computed. [2019-10-07 15:16:28,402 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 693 701) the Hoare annotation is: true [2019-10-07 15:16:28,402 INFO L443 ceAbstractionStarter]: For program point L732(line 732) no Hoare annotation was computed. [2019-10-07 15:16:28,402 INFO L443 ceAbstractionStarter]: For program point L732-1(line 732) no Hoare annotation was computed. [2019-10-07 15:16:28,402 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 702 737) no Hoare annotation was computed. [2019-10-07 15:16:28,403 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 702 737) no Hoare annotation was computed. [2019-10-07 15:16:28,403 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 515 521) no Hoare annotation was computed. [2019-10-07 15:16:28,403 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 515 521) the Hoare annotation is: true [2019-10-07 15:16:28,403 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 141 186) no Hoare annotation was computed. [2019-10-07 15:16:28,403 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 141 186) no Hoare annotation was computed. [2019-10-07 15:16:28,403 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 454 499) no Hoare annotation was computed. [2019-10-07 15:16:28,403 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 454 499) no Hoare annotation was computed. [2019-10-07 15:16:28,404 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 848 858) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:16:28,404 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 848 858) no Hoare annotation was computed. [2019-10-07 15:16:28,404 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 848 858) no Hoare annotation was computed. [2019-10-07 15:16:28,404 INFO L439 ceAbstractionStarter]: At program point L853(line 853) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:16:28,404 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 682 692) no Hoare annotation was computed. [2019-10-07 15:16:28,404 INFO L443 ceAbstractionStarter]: For program point L687(line 687) no Hoare annotation was computed. [2019-10-07 15:16:28,405 INFO L443 ceAbstractionStarter]: For program point L687-1(line 687) no Hoare annotation was computed. [2019-10-07 15:16:28,405 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 682 692) no Hoare annotation was computed. [2019-10-07 15:16:28,405 INFO L443 ceAbstractionStarter]: For program point deactivatePumpENTRY(lines 674 681) no Hoare annotation was computed. [2019-10-07 15:16:28,405 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 674 681) no Hoare annotation was computed. [2019-10-07 15:16:28,405 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 641 647) no Hoare annotation was computed. [2019-10-07 15:16:28,405 INFO L446 ceAbstractionStarter]: At program point processEnvironmentFINAL(lines 641 647) the Hoare annotation is: true [2019-10-07 15:16:28,405 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 542 607) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:16:28,406 INFO L439 ceAbstractionStarter]: At program point L574(line 574) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0))) [2019-10-07 15:16:28,406 INFO L443 ceAbstractionStarter]: For program point L572(lines 572 578) no Hoare annotation was computed. [2019-10-07 15:16:28,406 INFO L443 ceAbstractionStarter]: For program point L572-1(lines 572 578) no Hoare annotation was computed. [2019-10-07 15:16:28,406 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 542 607) no Hoare annotation was computed. [2019-10-07 15:16:28,406 INFO L439 ceAbstractionStarter]: At program point L597(lines 552 599) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0))) [2019-10-07 15:16:28,406 INFO L439 ceAbstractionStarter]: At program point L564(line 564) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0))) [2019-10-07 15:16:28,407 INFO L443 ceAbstractionStarter]: For program point L562(lines 562 568) no Hoare annotation was computed. [2019-10-07 15:16:28,407 INFO L443 ceAbstractionStarter]: For program point L562-1(lines 562 568) no Hoare annotation was computed. [2019-10-07 15:16:28,407 INFO L439 ceAbstractionStarter]: At program point L600(lines 551 601) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:16:28,407 INFO L439 ceAbstractionStarter]: At program point L590-2(lines 582 595) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0))) [2019-10-07 15:16:28,407 INFO L443 ceAbstractionStarter]: For program point L553(lines 552 599) no Hoare annotation was computed. [2019-10-07 15:16:28,407 INFO L439 ceAbstractionStarter]: At program point L584(line 584) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0))) [2019-10-07 15:16:28,407 INFO L443 ceAbstractionStarter]: For program point L582(lines 582 595) no Hoare annotation was computed. [2019-10-07 15:16:28,408 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 542 607) no Hoare annotation was computed. [2019-10-07 15:16:28,408 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 408 453) no Hoare annotation was computed. [2019-10-07 15:16:28,408 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 408 453) no Hoare annotation was computed. [2019-10-07 15:16:28,408 INFO L443 ceAbstractionStarter]: For program point L769(lines 769 775) no Hoare annotation was computed. [2019-10-07 15:16:28,409 INFO L443 ceAbstractionStarter]: For program point L768(lines 768 778) no Hoare annotation was computed. [2019-10-07 15:16:28,413 INFO L439 ceAbstractionStarter]: At program point L766(line 766) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2019-10-07 15:16:28,413 INFO L443 ceAbstractionStarter]: For program point L766-1(line 766) no Hoare annotation was computed. [2019-10-07 15:16:28,413 INFO L443 ceAbstractionStarter]: For program point L764(lines 764 781) no Hoare annotation was computed. [2019-10-07 15:16:28,413 INFO L443 ceAbstractionStarter]: For program point L764-1(lines 756 784) no Hoare annotation was computed. [2019-10-07 15:16:28,413 INFO L446 ceAbstractionStarter]: At program point L762(line 762) the Hoare annotation is: true [2019-10-07 15:16:28,414 INFO L443 ceAbstractionStarter]: For program point L762-1(line 762) no Hoare annotation was computed. [2019-10-07 15:16:28,414 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 756 784) the Hoare annotation is: true [2019-10-07 15:16:28,414 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 756 784) no Hoare annotation was computed. [2019-10-07 15:16:28,414 INFO L439 ceAbstractionStarter]: At program point L771(line 771) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2019-10-07 15:16:28,414 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 102 124) no Hoare annotation was computed. [2019-10-07 15:16:28,414 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 102 124) no Hoare annotation was computed. [2019-10-07 15:16:28,417 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 748 755) the Hoare annotation is: true [2019-10-07 15:16:28,417 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 748 755) no Hoare annotation was computed. [2019-10-07 15:16:28,417 INFO L443 ceAbstractionStarter]: For program point L386-1(line 386) no Hoare annotation was computed. [2019-10-07 15:16:28,417 INFO L443 ceAbstractionStarter]: For program point L351(lines 351 392) no Hoare annotation was computed. [2019-10-07 15:16:28,417 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 305 407) no Hoare annotation was computed. [2019-10-07 15:16:28,417 INFO L443 ceAbstractionStarter]: For program point L370(line 370) no Hoare annotation was computed. [2019-10-07 15:16:28,417 INFO L443 ceAbstractionStarter]: For program point L370-1(line 370) no Hoare annotation was computed. [2019-10-07 15:16:28,417 INFO L443 ceAbstractionStarter]: For program point L329(lines 329 333) no Hoare annotation was computed. [2019-10-07 15:16:28,418 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 305 407) no Hoare annotation was computed. [2019-10-07 15:16:28,418 INFO L443 ceAbstractionStarter]: For program point L354-2(lines 354 374) no Hoare annotation was computed. [2019-10-07 15:16:28,418 INFO L443 ceAbstractionStarter]: For program point L375(lines 353 376) no Hoare annotation was computed. [2019-10-07 15:16:28,418 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 305 407) no Hoare annotation was computed. [2019-10-07 15:16:28,418 INFO L443 ceAbstractionStarter]: For program point L334(lines 334 350) no Hoare annotation was computed. [2019-10-07 15:16:28,418 INFO L443 ceAbstractionStarter]: For program point L355(lines 354 374) no Hoare annotation was computed. [2019-10-07 15:16:28,418 INFO L443 ceAbstractionStarter]: For program point L386(line 386) no Hoare annotation was computed. [2019-10-07 15:16:28,418 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 505 514) no Hoare annotation was computed. [2019-10-07 15:16:28,419 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 505 514) no Hoare annotation was computed. [2019-10-07 15:16:28,419 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-10-07 15:16:28,419 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:16:28,419 INFO L443 ceAbstractionStarter]: For program point L668(line 668) no Hoare annotation was computed. [2019-10-07 15:16:28,419 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 657 673) no Hoare annotation was computed. [2019-10-07 15:16:28,419 INFO L443 ceAbstractionStarter]: For program point L668-1(lines 657 673) no Hoare annotation was computed. [2019-10-07 15:16:28,419 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 657 673) no Hoare annotation was computed. [2019-10-07 15:16:28,419 INFO L443 ceAbstractionStarter]: For program point L664(lines 664 670) no Hoare annotation was computed. [2019-10-07 15:16:28,420 INFO L443 ceAbstractionStarter]: For program point L662(line 662) no Hoare annotation was computed. [2019-10-07 15:16:28,420 INFO L443 ceAbstractionStarter]: For program point L662-1(line 662) no Hoare annotation was computed. [2019-10-07 15:16:28,420 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 125 133) no Hoare annotation was computed. [2019-10-07 15:16:28,420 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 125 133) no Hoare annotation was computed. [2019-10-07 15:16:28,420 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 81 92) the Hoare annotation is: true [2019-10-07 15:16:28,420 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 81 92) no Hoare annotation was computed. [2019-10-07 15:16:28,420 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:16:28,420 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-07 15:16:28,420 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 93 101) the Hoare annotation is: true [2019-10-07 15:16:28,421 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 93 101) no Hoare annotation was computed. [2019-10-07 15:16:28,421 INFO L446 ceAbstractionStarter]: At program point L630(line 630) the Hoare annotation is: true [2019-10-07 15:16:28,421 INFO L446 ceAbstractionStarter]: At program point L628(lines 628 634) the Hoare annotation is: true [2019-10-07 15:16:28,421 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 617 640) the Hoare annotation is: true [2019-10-07 15:16:28,421 INFO L439 ceAbstractionStarter]: At program point L623(line 623) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2019-10-07 15:16:28,421 INFO L443 ceAbstractionStarter]: For program point L621(lines 620 639) no Hoare annotation was computed. [2019-10-07 15:16:28,421 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 617 640) no Hoare annotation was computed. [2019-10-07 15:16:28,421 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 617 640) no Hoare annotation was computed. [2019-10-07 15:16:28,422 INFO L443 ceAbstractionStarter]: For program point L801(lines 801 805) no Hoare annotation was computed. [2019-10-07 15:16:28,422 INFO L446 ceAbstractionStarter]: At program point L801-1(lines 801 805) the Hoare annotation is: true [2019-10-07 15:16:28,422 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 787 816) no Hoare annotation was computed. [2019-10-07 15:16:28,422 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 787 816) the Hoare annotation is: true [2019-10-07 15:16:28,422 INFO L446 ceAbstractionStarter]: At program point L797-2(lines 797 811) the Hoare annotation is: true [2019-10-07 15:16:28,422 INFO L446 ceAbstractionStarter]: At program point L793(line 793) the Hoare annotation is: true [2019-10-07 15:16:28,422 INFO L443 ceAbstractionStarter]: For program point L793-1(line 793) no Hoare annotation was computed. [2019-10-07 15:16:28,423 INFO L446 ceAbstractionStarter]: At program point L812(lines 787 816) the Hoare annotation is: true [2019-10-07 15:16:28,423 INFO L443 ceAbstractionStarter]: For program point L808(line 808) no Hoare annotation was computed. [2019-10-07 15:16:28,423 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 57 68) the Hoare annotation is: true [2019-10-07 15:16:28,423 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 57 68) no Hoare annotation was computed. [2019-10-07 15:16:28,423 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 841 847) no Hoare annotation was computed. [2019-10-07 15:16:28,423 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 841 847) the Hoare annotation is: true [2019-10-07 15:16:28,423 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:16:28,423 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-07 15:16:28,424 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-07 15:16:28,424 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-07 15:16:28,424 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 738 745) no Hoare annotation was computed. [2019-10-07 15:16:28,424 INFO L439 ceAbstractionStarter]: At program point startSystemENTRY(lines 738 745) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (= 1 ~systemActive~0)) [2019-10-07 15:16:28,424 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 69 80) no Hoare annotation was computed. [2019-10-07 15:16:28,424 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 69 80) the Hoare annotation is: true [2019-10-07 15:16:28,424 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2019-10-07 15:16:28,425 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-10-07 15:16:28,425 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2019-10-07 15:16:28,451 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.10 03:16:28 BoogieIcfgContainer [2019-10-07 15:16:28,451 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-07 15:16:28,455 INFO L168 Benchmark]: Toolchain (without parser) took 5163.84 ms. Allocated memory was 145.8 MB in the beginning and 246.4 MB in the end (delta: 100.7 MB). Free memory was 102.8 MB in the beginning and 153.7 MB in the end (delta: -50.9 MB). Peak memory consumption was 115.8 MB. Max. memory is 7.1 GB. [2019-10-07 15:16:28,456 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 145.8 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-07 15:16:28,459 INFO L168 Benchmark]: CACSL2BoogieTranslator took 660.13 ms. Allocated memory was 145.8 MB in the beginning and 202.4 MB in the end (delta: 56.6 MB). Free memory was 102.6 MB in the beginning and 169.8 MB in the end (delta: -67.1 MB). Peak memory consumption was 19.9 MB. Max. memory is 7.1 GB. [2019-10-07 15:16:28,460 INFO L168 Benchmark]: Boogie Preprocessor took 105.53 ms. Allocated memory is still 202.4 MB. Free memory was 169.8 MB in the beginning and 165.1 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2019-10-07 15:16:28,461 INFO L168 Benchmark]: RCFGBuilder took 1733.74 ms. Allocated memory was 202.4 MB in the beginning and 235.9 MB in the end (delta: 33.6 MB). Free memory was 165.1 MB in the beginning and 153.2 MB in the end (delta: 11.9 MB). Peak memory consumption was 81.1 MB. Max. memory is 7.1 GB. [2019-10-07 15:16:28,463 INFO L168 Benchmark]: TraceAbstraction took 2657.20 ms. Allocated memory was 235.9 MB in the beginning and 246.4 MB in the end (delta: 10.5 MB). Free memory was 153.2 MB in the beginning and 153.7 MB in the end (delta: -544.5 kB). Peak memory consumption was 76.0 MB. Max. memory is 7.1 GB. [2019-10-07 15:16:28,475 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 145.8 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 660.13 ms. Allocated memory was 145.8 MB in the beginning and 202.4 MB in the end (delta: 56.6 MB). Free memory was 102.6 MB in the beginning and 169.8 MB in the end (delta: -67.1 MB). Peak memory consumption was 19.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 105.53 ms. Allocated memory is still 202.4 MB. Free memory was 169.8 MB in the beginning and 165.1 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1733.74 ms. Allocated memory was 202.4 MB in the beginning and 235.9 MB in the end (delta: 33.6 MB). Free memory was 165.1 MB in the beginning and 153.2 MB in the end (delta: 11.9 MB). Peak memory consumption was 81.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2657.20 ms. Allocated memory was 235.9 MB in the beginning and 246.4 MB in the end (delta: 10.5 MB). Free memory was 153.2 MB in the beginning and 153.7 MB in the end (delta: -544.5 kB). Peak memory consumption was 76.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 797]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 787]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 551]: Loop Invariant Derived loop invariant: (!(0 == pumpRunning) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 552]: Loop Invariant Derived loop invariant: ((!(0 == pumpRunning) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0)) || (1 == systemActive && 0 == splverifierCounter) - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 165 locations, 1 error locations. Result: SAFE, OverallTime: 2.5s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, HoareTripleCheckerStatistics: 392 SDtfs, 145 SDslu, 626 SDs, 0 SdLazy, 179 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 39 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=120occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 161 PreInvPairs, 175 NumberOfFragments, 376 HoareAnnotationTreeSize, 161 FomulaSimplifications, 75 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 44 FomulaSimplificationsInter, 577 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...