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_spec1_product27.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 15:15:12,716 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 15:15:12,718 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 15:15:12,730 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 15:15:12,731 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 15:15:12,732 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 15:15:12,733 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 15:15:12,735 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 15:15:12,737 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 15:15:12,738 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 15:15:12,739 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 15:15:12,740 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 15:15:12,741 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 15:15:12,742 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 15:15:12,743 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 15:15:12,744 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 15:15:12,745 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 15:15:12,746 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 15:15:12,748 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 15:15:12,750 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 15:15:12,751 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 15:15:12,752 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 15:15:12,753 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 15:15:12,754 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 15:15:12,756 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 15:15:12,756 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 15:15:12,757 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 15:15:12,758 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 15:15:12,758 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 15:15:12,759 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 15:15:12,759 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 15:15:12,760 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 15:15:12,761 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 15:15:12,762 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 15:15:12,763 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 15:15:12,763 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 15:15:12,764 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 15:15:12,764 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 15:15:12,764 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 15:15:12,765 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 15:15:12,766 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 15:15:12,767 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 15:15:12,784 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 15:15:12,785 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 15:15:12,786 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 15:15:12,786 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 15:15:12,786 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 15:15:12,787 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 15:15:12,787 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 15:15:12,787 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 15:15:12,787 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 15:15:12,788 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 15:15:12,788 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 15:15:12,788 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 15:15:12,788 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 15:15:12,788 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 15:15:12,789 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 15:15:12,789 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 15:15:12,789 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 15:15:12,789 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 15:15:12,789 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 15:15:12,790 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 15:15:12,790 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 15:15:12,790 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:15:12,790 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 15:15:12,791 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 15:15:12,791 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 15:15:12,791 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 15:15:12,791 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 15:15:12,791 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 15:15:12,791 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 15:15:13,144 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 15:15:13,158 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 15:15:13,162 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 15:15:13,163 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 15:15:13,164 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 15:15:13,165 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product27.cil.c [2019-10-07 15:15:13,229 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3ec74aac/5bb62146e140461b9524f69421e19a9c/FLAG7f6399baf [2019-10-07 15:15:13,807 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 15:15:13,808 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product27.cil.c [2019-10-07 15:15:13,828 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3ec74aac/5bb62146e140461b9524f69421e19a9c/FLAG7f6399baf [2019-10-07 15:15:14,108 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3ec74aac/5bb62146e140461b9524f69421e19a9c [2019-10-07 15:15:14,119 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 15:15:14,120 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 15:15:14,122 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 15:15:14,122 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 15:15:14,125 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 15:15:14,127 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:15:14" (1/1) ... [2019-10-07 15:15:14,130 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e20f8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:14, skipping insertion in model container [2019-10-07 15:15:14,130 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:15:14" (1/1) ... [2019-10-07 15:15:14,138 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 15:15:14,203 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 15:15:14,682 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:15:14,703 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 15:15:14,805 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:15:14,846 INFO L192 MainTranslator]: Completed translation [2019-10-07 15:15:14,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:14 WrapperNode [2019-10-07 15:15:14,847 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 15:15:14,847 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 15:15:14,848 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 15:15:14,848 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 15:15:14,858 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:14" (1/1) ... [2019-10-07 15:15:14,859 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:14" (1/1) ... [2019-10-07 15:15:14,879 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:14" (1/1) ... [2019-10-07 15:15:14,880 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:14" (1/1) ... [2019-10-07 15:15:14,927 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:14" (1/1) ... [2019-10-07 15:15:14,946 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:14" (1/1) ... [2019-10-07 15:15:14,952 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:14" (1/1) ... [2019-10-07 15:15:14,966 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 15:15:14,967 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 15:15:14,967 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 15:15:14,967 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 15:15:14,969 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:14" (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 15:15:15,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 15:15:15,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 15:15:15,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 15:15:15,027 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 15:15:15,027 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 15:15:15,027 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 15:15:15,027 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 15:15:15,027 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 15:15:15,028 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-07 15:15:15,028 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-07 15:15:15,028 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-07 15:15:15,028 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-07 15:15:15,028 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-07 15:15:15,028 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-07 15:15:15,029 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-07 15:15:15,029 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-10-07 15:15:15,029 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-07 15:15:15,029 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-07 15:15:15,029 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 15:15:15,030 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-07 15:15:15,030 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 15:15:15,030 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 15:15:15,030 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 15:15:15,031 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 15:15:15,031 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 15:15:15,031 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 15:15:15,031 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 15:15:15,031 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 15:15:15,032 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-07 15:15:15,032 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-07 15:15:15,032 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-07 15:15:15,032 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-07 15:15:15,032 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-07 15:15:15,033 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-07 15:15:15,033 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-07 15:15:15,033 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-07 15:15:15,033 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-07 15:15:15,033 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-07 15:15:15,033 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-07 15:15:15,034 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 15:15:15,034 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 15:15:15,034 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 15:15:15,034 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 15:15:15,034 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 15:15:15,034 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 15:15:15,035 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 15:15:15,035 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 15:15:15,035 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-07 15:15:15,035 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-07 15:15:15,035 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-07 15:15:15,035 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-07 15:15:15,035 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-07 15:15:15,035 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-07 15:15:15,035 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-07 15:15:15,036 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 15:15:15,036 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-07 15:15:15,036 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-10-07 15:15:15,036 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-07 15:15:15,036 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-07 15:15:15,036 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-07 15:15:15,036 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-07 15:15:15,037 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 15:15:15,037 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 15:15:15,037 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-07 15:15:15,037 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 15:15:15,037 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 15:15:15,037 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 15:15:15,037 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 15:15:15,037 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 15:15:15,038 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 15:15:15,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 15:15:15,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 15:15:15,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 15:15:15,038 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 15:15:15,038 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 15:15:15,038 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 15:15:15,039 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 15:15:15,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 15:15:15,039 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 15:15:15,039 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 15:15:15,039 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 15:15:15,039 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-07 15:15:15,039 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-07 15:15:15,040 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-07 15:15:15,040 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-07 15:15:15,040 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-07 15:15:15,040 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-07 15:15:15,040 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-07 15:15:15,040 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-07 15:15:15,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 15:15:15,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 15:15:15,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 15:15:16,647 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 15:15:16,647 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-07 15:15:16,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:15:16 BoogieIcfgContainer [2019-10-07 15:15:16,649 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 15:15:16,651 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 15:15:16,651 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 15:15:16,654 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 15:15:16,655 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:15:14" (1/3) ... [2019-10-07 15:15:16,656 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b4e39d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:15:16, skipping insertion in model container [2019-10-07 15:15:16,656 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:14" (2/3) ... [2019-10-07 15:15:16,657 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b4e39d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:15:16, skipping insertion in model container [2019-10-07 15:15:16,657 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:15:16" (3/3) ... [2019-10-07 15:15:16,660 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product27.cil.c [2019-10-07 15:15:16,670 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 15:15:16,680 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 15:15:16,691 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 15:15:16,728 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 15:15:16,728 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 15:15:16,728 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 15:15:16,728 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 15:15:16,729 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 15:15:16,729 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 15:15:16,729 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 15:15:16,729 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 15:15:16,756 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states. [2019-10-07 15:15:16,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-07 15:15:16,765 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:15:16,766 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:15:16,768 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:15:16,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:15:16,775 INFO L82 PathProgramCache]: Analyzing trace with hash 541139360, now seen corresponding path program 1 times [2019-10-07 15:15:16,784 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:15:16,784 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:16,785 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:16,785 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:16,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:15:16,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:15:17,082 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 15:15:17,083 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:17,084 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:15:17,084 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 15:15:17,089 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 15:15:17,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 15:15:17,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:15:17,110 INFO L87 Difference]: Start difference. First operand 137 states. Second operand 2 states. [2019-10-07 15:15:17,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:15:17,158 INFO L93 Difference]: Finished difference Result 189 states and 232 transitions. [2019-10-07 15:15:17,158 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 15:15:17,159 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 42 [2019-10-07 15:15:17,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:15:17,170 INFO L225 Difference]: With dead ends: 189 [2019-10-07 15:15:17,170 INFO L226 Difference]: Without dead ends: 95 [2019-10-07 15:15:17,175 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 15:15:17,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2019-10-07 15:15:17,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2019-10-07 15:15:17,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2019-10-07 15:15:17,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 110 transitions. [2019-10-07 15:15:17,225 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 110 transitions. Word has length 42 [2019-10-07 15:15:17,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:15:17,226 INFO L462 AbstractCegarLoop]: Abstraction has 95 states and 110 transitions. [2019-10-07 15:15:17,226 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 15:15:17,227 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 110 transitions. [2019-10-07 15:15:17,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-07 15:15:17,230 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:15:17,230 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:15:17,231 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:15:17,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:15:17,231 INFO L82 PathProgramCache]: Analyzing trace with hash -1959897277, now seen corresponding path program 1 times [2019-10-07 15:15:17,232 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:15:17,232 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:17,232 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:17,232 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:17,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:15:17,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:15:17,409 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 15:15:17,409 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:17,409 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:15:17,410 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:15:17,413 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:15:17,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:15:17,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:15:17,415 INFO L87 Difference]: Start difference. First operand 95 states and 110 transitions. Second operand 3 states. [2019-10-07 15:15:17,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:15:17,439 INFO L93 Difference]: Finished difference Result 140 states and 160 transitions. [2019-10-07 15:15:17,439 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:15:17,440 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2019-10-07 15:15:17,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:15:17,442 INFO L225 Difference]: With dead ends: 140 [2019-10-07 15:15:17,442 INFO L226 Difference]: Without dead ends: 87 [2019-10-07 15:15:17,444 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 15:15:17,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2019-10-07 15:15:17,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2019-10-07 15:15:17,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2019-10-07 15:15:17,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 99 transitions. [2019-10-07 15:15:17,458 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 99 transitions. Word has length 43 [2019-10-07 15:15:17,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:15:17,459 INFO L462 AbstractCegarLoop]: Abstraction has 87 states and 99 transitions. [2019-10-07 15:15:17,459 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:15:17,459 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 99 transitions. [2019-10-07 15:15:17,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-07 15:15:17,461 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:15:17,461 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 15:15:17,462 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:15:17,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:15:17,462 INFO L82 PathProgramCache]: Analyzing trace with hash -2050366462, now seen corresponding path program 1 times [2019-10-07 15:15:17,463 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:15:17,463 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:17,463 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:17,463 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:17,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:15:17,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:15:17,635 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 15:15:17,635 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:17,635 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:15:17,636 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:15:17,638 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:15:17,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:15:17,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:15:17,639 INFO L87 Difference]: Start difference. First operand 87 states and 99 transitions. Second operand 7 states. [2019-10-07 15:15:18,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:15:18,041 INFO L93 Difference]: Finished difference Result 261 states and 310 transitions. [2019-10-07 15:15:18,042 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 15:15:18,042 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 46 [2019-10-07 15:15:18,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:15:18,046 INFO L225 Difference]: With dead ends: 261 [2019-10-07 15:15:18,046 INFO L226 Difference]: Without dead ends: 196 [2019-10-07 15:15:18,047 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 15:15:18,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2019-10-07 15:15:18,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 188. [2019-10-07 15:15:18,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2019-10-07 15:15:18,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 223 transitions. [2019-10-07 15:15:18,091 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 223 transitions. Word has length 46 [2019-10-07 15:15:18,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:15:18,092 INFO L462 AbstractCegarLoop]: Abstraction has 188 states and 223 transitions. [2019-10-07 15:15:18,092 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:15:18,092 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 223 transitions. [2019-10-07 15:15:18,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-07 15:15:18,097 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:15:18,097 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:15:18,098 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:15:18,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:15:18,099 INFO L82 PathProgramCache]: Analyzing trace with hash -1373847131, now seen corresponding path program 1 times [2019-10-07 15:15:18,099 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:15:18,099 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:18,099 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:18,099 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:18,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:15:18,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:15:18,238 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 15:15:18,239 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:18,239 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:15:18,239 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 15:15:18,240 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 15:15:18,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 15:15:18,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-07 15:15:18,240 INFO L87 Difference]: Start difference. First operand 188 states and 223 transitions. Second operand 6 states. [2019-10-07 15:15:18,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:15:18,429 INFO L93 Difference]: Finished difference Result 505 states and 618 transitions. [2019-10-07 15:15:18,429 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 15:15:18,429 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 51 [2019-10-07 15:15:18,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:15:18,434 INFO L225 Difference]: With dead ends: 505 [2019-10-07 15:15:18,434 INFO L226 Difference]: Without dead ends: 339 [2019-10-07 15:15:18,436 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 15:15:18,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2019-10-07 15:15:18,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 327. [2019-10-07 15:15:18,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 327 states. [2019-10-07 15:15:18,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 392 transitions. [2019-10-07 15:15:18,477 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 392 transitions. Word has length 51 [2019-10-07 15:15:18,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:15:18,477 INFO L462 AbstractCegarLoop]: Abstraction has 327 states and 392 transitions. [2019-10-07 15:15:18,477 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 15:15:18,477 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 392 transitions. [2019-10-07 15:15:18,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-10-07 15:15:18,480 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:15:18,481 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] [2019-10-07 15:15:18,481 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:15:18,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:15:18,481 INFO L82 PathProgramCache]: Analyzing trace with hash -954532702, now seen corresponding path program 1 times [2019-10-07 15:15:18,482 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:15:18,482 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:18,482 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:18,482 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:18,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:15:18,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:15:18,650 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 15:15:18,651 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:18,651 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:15:18,652 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:15:18,652 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:15:18,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:15:18,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:15:18,653 INFO L87 Difference]: Start difference. First operand 327 states and 392 transitions. Second operand 7 states. [2019-10-07 15:15:19,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:15:19,022 INFO L93 Difference]: Finished difference Result 555 states and 692 transitions. [2019-10-07 15:15:19,023 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 15:15:19,023 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 54 [2019-10-07 15:15:19,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:15:19,024 INFO L225 Difference]: With dead ends: 555 [2019-10-07 15:15:19,024 INFO L226 Difference]: Without dead ends: 0 [2019-10-07 15:15:19,026 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-10-07 15:15:19,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-07 15:15:19,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-07 15:15:19,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-07 15:15:19,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-07 15:15:19,027 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2019-10-07 15:15:19,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:15:19,027 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-07 15:15:19,028 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:15:19,028 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-07 15:15:19,028 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-07 15:15:19,034 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-07 15:15:19,998 INFO L443 ceAbstractionStarter]: For program point L386-2(lines 386 407) no Hoare annotation was computed. [2019-10-07 15:15:19,998 INFO L443 ceAbstractionStarter]: For program point L408(lines 385 409) no Hoare annotation was computed. [2019-10-07 15:15:19,998 INFO L443 ceAbstractionStarter]: For program point L392(lines 392 396) no Hoare annotation was computed. [2019-10-07 15:15:19,998 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 361 416) no Hoare annotation was computed. [2019-10-07 15:15:19,998 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 361 416) no Hoare annotation was computed. [2019-10-07 15:15:19,999 INFO L443 ceAbstractionStarter]: For program point L449(lines 449 453) no Hoare annotation was computed. [2019-10-07 15:15:19,999 INFO L443 ceAbstractionStarter]: For program point L443-2(lines 443 468) no Hoare annotation was computed. [2019-10-07 15:15:19,999 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 417 476) no Hoare annotation was computed. [2019-10-07 15:15:19,999 INFO L443 ceAbstractionStarter]: For program point L469(lines 442 470) no Hoare annotation was computed. [2019-10-07 15:15:19,999 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 417 476) no Hoare annotation was computed. [2019-10-07 15:15:19,999 INFO L443 ceAbstractionStarter]: For program point L462(line 462) no Hoare annotation was computed. [2019-10-07 15:15:19,999 INFO L443 ceAbstractionStarter]: For program point L462-1(line 462) no Hoare annotation was computed. [2019-10-07 15:15:20,000 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 417 476) no Hoare annotation was computed. [2019-10-07 15:15:20,000 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2019-10-07 15:15:20,000 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2019-10-07 15:15:20,000 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2019-10-07 15:15:20,000 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2019-10-07 15:15:20,001 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 285 307) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:15:20,001 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 285 307) no Hoare annotation was computed. [2019-10-07 15:15:20,001 INFO L439 ceAbstractionStarter]: At program point L297(line 297) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= main_~tmp~1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:15:20,001 INFO L439 ceAbstractionStarter]: At program point L297-1(line 297) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= main_~tmp~1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:15:20,002 INFO L443 ceAbstractionStarter]: For program point L295(lines 295 302) no Hoare annotation was computed. [2019-10-07 15:15:20,002 INFO L443 ceAbstractionStarter]: For program point L295-1(lines 295 302) no Hoare annotation was computed. [2019-10-07 15:15:20,002 INFO L443 ceAbstractionStarter]: For program point L293(line 293) no Hoare annotation was computed. [2019-10-07 15:15:20,002 INFO L439 ceAbstractionStarter]: At program point L292(line 292) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:15:20,002 INFO L439 ceAbstractionStarter]: At program point L291(line 291) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:15:20,003 INFO L439 ceAbstractionStarter]: At program point L291-1(line 291) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:15:20,003 INFO L443 ceAbstractionStarter]: For program point L257(line 257) no Hoare annotation was computed. [2019-10-07 15:15:20,003 INFO L443 ceAbstractionStarter]: For program point L256(line 256) no Hoare annotation was computed. [2019-10-07 15:15:20,003 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 243 266) no Hoare annotation was computed. [2019-10-07 15:15:20,003 INFO L443 ceAbstractionStarter]: For program point L255(line 255) no Hoare annotation was computed. [2019-10-07 15:15:20,003 INFO L443 ceAbstractionStarter]: For program point L254(line 254) no Hoare annotation was computed. [2019-10-07 15:15:20,003 INFO L443 ceAbstractionStarter]: For program point L253(line 253) no Hoare annotation was computed. [2019-10-07 15:15:20,004 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 243 266) no Hoare annotation was computed. [2019-10-07 15:15:20,004 INFO L443 ceAbstractionStarter]: For program point L252(line 252) no Hoare annotation was computed. [2019-10-07 15:15:20,004 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 243 266) no Hoare annotation was computed. [2019-10-07 15:15:20,004 INFO L443 ceAbstractionStarter]: For program point L251(line 251) no Hoare annotation was computed. [2019-10-07 15:15:20,004 INFO L443 ceAbstractionStarter]: For program point L250(line 250) no Hoare annotation was computed. [2019-10-07 15:15:20,004 INFO L443 ceAbstractionStarter]: For program point L249(line 249) no Hoare annotation was computed. [2019-10-07 15:15:20,005 INFO L443 ceAbstractionStarter]: For program point L248(line 248) no Hoare annotation was computed. [2019-10-07 15:15:20,005 INFO L443 ceAbstractionStarter]: For program point L261(line 261) no Hoare annotation was computed. [2019-10-07 15:15:20,005 INFO L443 ceAbstractionStarter]: For program point L260(line 260) no Hoare annotation was computed. [2019-10-07 15:15:20,005 INFO L443 ceAbstractionStarter]: For program point L259(line 259) no Hoare annotation was computed. [2019-10-07 15:15:20,005 INFO L443 ceAbstractionStarter]: For program point L258(line 258) no Hoare annotation was computed. [2019-10-07 15:15:20,005 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 914 928) no Hoare annotation was computed. [2019-10-07 15:15:20,005 INFO L439 ceAbstractionStarter]: At program point L920(line 920) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2019-10-07 15:15:20,006 INFO L443 ceAbstractionStarter]: For program point L918(lines 918 924) no Hoare annotation was computed. [2019-10-07 15:15:20,006 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 914 928) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (= 1 ~systemActive~0) (not (= |old(~systemActive~0)| 1))) (or .cse0 (= ~pumpRunning~0 0)) (or .cse0 (= |old(~systemActive~0)| 0) (not (= 0 ~systemActive~0))))) [2019-10-07 15:15:20,006 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 850 858) no Hoare annotation was computed. [2019-10-07 15:15:20,006 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 850 858) the Hoare annotation is: true [2019-10-07 15:15:20,006 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 895 913) the Hoare annotation is: true [2019-10-07 15:15:20,006 INFO L446 ceAbstractionStarter]: At program point L902(line 902) the Hoare annotation is: true [2019-10-07 15:15:20,006 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 895 913) no Hoare annotation was computed. [2019-10-07 15:15:20,007 INFO L443 ceAbstractionStarter]: For program point L902-1(line 902) no Hoare annotation was computed. [2019-10-07 15:15:20,007 INFO L443 ceAbstractionStarter]: For program point L889(line 889) no Hoare annotation was computed. [2019-10-07 15:15:20,007 INFO L443 ceAbstractionStarter]: For program point L889-1(line 889) no Hoare annotation was computed. [2019-10-07 15:15:20,007 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 859 894) no Hoare annotation was computed. [2019-10-07 15:15:20,007 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 859 894) no Hoare annotation was computed. [2019-10-07 15:15:20,007 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2019-10-07 15:15:20,007 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2019-10-07 15:15:20,008 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 315 360) no Hoare annotation was computed. [2019-10-07 15:15:20,008 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 315 360) no Hoare annotation was computed. [2019-10-07 15:15:20,008 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 628 673) no Hoare annotation was computed. [2019-10-07 15:15:20,008 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 628 673) no Hoare annotation was computed. [2019-10-07 15:15:20,008 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 275 284) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:15:20,008 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 275 284) no Hoare annotation was computed. [2019-10-07 15:15:20,008 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 275 284) no Hoare annotation was computed. [2019-10-07 15:15:20,009 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 839 849) no Hoare annotation was computed. [2019-10-07 15:15:20,009 INFO L443 ceAbstractionStarter]: For program point L844(line 844) no Hoare annotation was computed. [2019-10-07 15:15:20,009 INFO L443 ceAbstractionStarter]: For program point L844-1(line 844) no Hoare annotation was computed. [2019-10-07 15:15:20,009 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 839 849) no Hoare annotation was computed. [2019-10-07 15:15:20,009 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 831 838) the Hoare annotation is: true [2019-10-07 15:15:20,009 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 831 838) no Hoare annotation was computed. [2019-10-07 15:15:20,009 INFO L439 ceAbstractionStarter]: At program point L799(line 799) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= ~pumpRunning~0 0)) [2019-10-07 15:15:20,009 INFO L443 ceAbstractionStarter]: For program point L799-1(lines 780 804) no Hoare annotation was computed. [2019-10-07 15:15:20,010 INFO L439 ceAbstractionStarter]: At program point L794(line 794) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-07 15:15:20,010 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 780 804) no Hoare annotation was computed. [2019-10-07 15:15:20,010 INFO L439 ceAbstractionStarter]: At program point L790(line 790) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-07 15:15:20,010 INFO L443 ceAbstractionStarter]: For program point L788(lines 788 796) no Hoare annotation was computed. [2019-10-07 15:15:20,010 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 780 804) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= ~pumpRunning~0 0)) [2019-10-07 15:15:20,010 INFO L439 ceAbstractionStarter]: At program point L786(line 786) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2019-10-07 15:15:20,011 INFO L443 ceAbstractionStarter]: For program point L786-1(line 786) no Hoare annotation was computed. [2019-10-07 15:15:20,011 INFO L443 ceAbstractionStarter]: For program point L784(lines 784 801) no Hoare annotation was computed. [2019-10-07 15:15:20,011 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 772 778) no Hoare annotation was computed. [2019-10-07 15:15:20,011 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 772 778) the Hoare annotation is: true [2019-10-07 15:15:20,011 INFO L443 ceAbstractionStarter]: For program point L706-1(lines 706 712) no Hoare annotation was computed. [2019-10-07 15:15:20,011 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 676 741) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:15:20,011 INFO L439 ceAbstractionStarter]: At program point L731(lines 686 733) 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))) [2019-10-07 15:15:20,012 INFO L439 ceAbstractionStarter]: At program point L698(line 698) 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))) [2019-10-07 15:15:20,012 INFO L443 ceAbstractionStarter]: For program point L696(lines 696 702) no Hoare annotation was computed. [2019-10-07 15:15:20,012 INFO L443 ceAbstractionStarter]: For program point L696-1(lines 696 702) no Hoare annotation was computed. [2019-10-07 15:15:20,012 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 676 741) no Hoare annotation was computed. [2019-10-07 15:15:20,012 INFO L439 ceAbstractionStarter]: At program point L734(lines 685 735) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:15:20,012 INFO L439 ceAbstractionStarter]: At program point L724(line 724) 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))) [2019-10-07 15:15:20,013 INFO L443 ceAbstractionStarter]: For program point L722(lines 722 728) no Hoare annotation was computed. [2019-10-07 15:15:20,013 INFO L439 ceAbstractionStarter]: At program point L722-1(lines 716 729) 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))) [2019-10-07 15:15:20,013 INFO L443 ceAbstractionStarter]: For program point L687(lines 686 733) no Hoare annotation was computed. [2019-10-07 15:15:20,013 INFO L443 ceAbstractionStarter]: For program point L716(lines 716 729) no Hoare annotation was computed. [2019-10-07 15:15:20,013 INFO L439 ceAbstractionStarter]: At program point L708(line 708) 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))) [2019-10-07 15:15:20,013 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 676 741) no Hoare annotation was computed. [2019-10-07 15:15:20,014 INFO L443 ceAbstractionStarter]: For program point L706(lines 706 712) no Hoare annotation was computed. [2019-10-07 15:15:20,014 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 582 627) no Hoare annotation was computed. [2019-10-07 15:15:20,014 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 582 627) no Hoare annotation was computed. [2019-10-07 15:15:20,014 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 805 812) no Hoare annotation was computed. [2019-10-07 15:15:20,014 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 805 812) no Hoare annotation was computed. [2019-10-07 15:15:20,014 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 173 181) the Hoare annotation is: true [2019-10-07 15:15:20,014 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 173 181) no Hoare annotation was computed. [2019-10-07 15:15:20,014 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 141 163) no Hoare annotation was computed. [2019-10-07 15:15:20,015 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 141 163) no Hoare annotation was computed. [2019-10-07 15:15:20,015 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2019-10-07 15:15:20,015 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2019-10-07 15:15:20,015 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 479 581) no Hoare annotation was computed. [2019-10-07 15:15:20,015 INFO L443 ceAbstractionStarter]: For program point L508(lines 508 524) no Hoare annotation was computed. [2019-10-07 15:15:20,015 INFO L443 ceAbstractionStarter]: For program point L529(lines 528 548) no Hoare annotation was computed. [2019-10-07 15:15:20,015 INFO L443 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2019-10-07 15:15:20,015 INFO L443 ceAbstractionStarter]: For program point L560-1(line 560) no Hoare annotation was computed. [2019-10-07 15:15:20,016 INFO L443 ceAbstractionStarter]: For program point L525(lines 525 566) no Hoare annotation was computed. [2019-10-07 15:15:20,016 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 479 581) no Hoare annotation was computed. [2019-10-07 15:15:20,016 INFO L443 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2019-10-07 15:15:20,016 INFO L443 ceAbstractionStarter]: For program point L544-1(line 544) no Hoare annotation was computed. [2019-10-07 15:15:20,016 INFO L443 ceAbstractionStarter]: For program point L503(lines 503 507) no Hoare annotation was computed. [2019-10-07 15:15:20,016 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 479 581) no Hoare annotation was computed. [2019-10-07 15:15:20,016 INFO L443 ceAbstractionStarter]: For program point L528-2(lines 528 548) no Hoare annotation was computed. [2019-10-07 15:15:20,016 INFO L443 ceAbstractionStarter]: For program point L549(lines 527 550) no Hoare annotation was computed. [2019-10-07 15:15:20,017 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-07 15:15:20,017 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:15:20,017 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 814 830) no Hoare annotation was computed. [2019-10-07 15:15:20,017 INFO L443 ceAbstractionStarter]: For program point L825(line 825) no Hoare annotation was computed. [2019-10-07 15:15:20,017 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 814 830) no Hoare annotation was computed. [2019-10-07 15:15:20,017 INFO L443 ceAbstractionStarter]: For program point L825-1(lines 814 830) no Hoare annotation was computed. [2019-10-07 15:15:20,017 INFO L443 ceAbstractionStarter]: For program point L821(lines 821 827) no Hoare annotation was computed. [2019-10-07 15:15:20,018 INFO L443 ceAbstractionStarter]: For program point L819(line 819) no Hoare annotation was computed. [2019-10-07 15:15:20,018 INFO L443 ceAbstractionStarter]: For program point L819-1(line 819) no Hoare annotation was computed. [2019-10-07 15:15:20,018 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 164 172) no Hoare annotation was computed. [2019-10-07 15:15:20,018 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 164 172) no Hoare annotation was computed. [2019-10-07 15:15:20,018 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 120 131) the Hoare annotation is: true [2019-10-07 15:15:20,018 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 120 131) no Hoare annotation was computed. [2019-10-07 15:15:20,018 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:15:20,018 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-07 15:15:20,019 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 132 140) the Hoare annotation is: true [2019-10-07 15:15:20,019 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 132 140) no Hoare annotation was computed. [2019-10-07 15:15:20,019 INFO L439 ceAbstractionStarter]: At program point L761(line 761) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) [2019-10-07 15:15:20,019 INFO L439 ceAbstractionStarter]: At program point L759(lines 759 765) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0)) [2019-10-07 15:15:20,019 INFO L439 ceAbstractionStarter]: At program point L754(line 754) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2019-10-07 15:15:20,019 INFO L443 ceAbstractionStarter]: For program point L752(lines 751 770) no Hoare annotation was computed. [2019-10-07 15:15:20,019 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 748 771) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0)) [2019-10-07 15:15:20,020 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 748 771) no Hoare annotation was computed. [2019-10-07 15:15:20,020 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 748 771) no Hoare annotation was computed. [2019-10-07 15:15:20,020 INFO L446 ceAbstractionStarter]: At program point L226-1(lines 226 230) the Hoare annotation is: true [2019-10-07 15:15:20,020 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 212 241) no Hoare annotation was computed. [2019-10-07 15:15:20,020 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 212 241) the Hoare annotation is: true [2019-10-07 15:15:20,020 INFO L446 ceAbstractionStarter]: At program point L222-2(lines 222 236) the Hoare annotation is: true [2019-10-07 15:15:20,020 INFO L446 ceAbstractionStarter]: At program point L218(line 218) the Hoare annotation is: true [2019-10-07 15:15:20,020 INFO L443 ceAbstractionStarter]: For program point L218-1(line 218) no Hoare annotation was computed. [2019-10-07 15:15:20,021 INFO L446 ceAbstractionStarter]: At program point L237(lines 212 241) the Hoare annotation is: true [2019-10-07 15:15:20,021 INFO L443 ceAbstractionStarter]: For program point L233(line 233) no Hoare annotation was computed. [2019-10-07 15:15:20,021 INFO L443 ceAbstractionStarter]: For program point L226(lines 226 230) no Hoare annotation was computed. [2019-10-07 15:15:20,021 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 96 107) the Hoare annotation is: true [2019-10-07 15:15:20,021 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 96 107) no Hoare annotation was computed. [2019-10-07 15:15:20,021 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 267 273) no Hoare annotation was computed. [2019-10-07 15:15:20,021 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 267 273) the Hoare annotation is: true [2019-10-07 15:15:20,021 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:15:20,022 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 15:15:20,022 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-07 15:15:20,022 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-07 15:15:20,022 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 108 119) no Hoare annotation was computed. [2019-10-07 15:15:20,022 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 108 119) the Hoare annotation is: true [2019-10-07 15:15:20,022 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 78 85) the Hoare annotation is: true [2019-10-07 15:15:20,022 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 78 85) no Hoare annotation was computed. [2019-10-07 15:15:20,023 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 82) no Hoare annotation was computed. [2019-10-07 15:15:20,023 INFO L443 ceAbstractionStarter]: For program point L194-1(line 194) no Hoare annotation was computed. [2019-10-07 15:15:20,023 INFO L443 ceAbstractionStarter]: For program point L192(lines 192 205) no Hoare annotation was computed. [2019-10-07 15:15:20,023 INFO L443 ceAbstractionStarter]: For program point L192-1(lines 184 208) no Hoare annotation was computed. [2019-10-07 15:15:20,023 INFO L446 ceAbstractionStarter]: At program point L190(line 190) the Hoare annotation is: true [2019-10-07 15:15:20,023 INFO L443 ceAbstractionStarter]: For program point L190-1(line 190) no Hoare annotation was computed. [2019-10-07 15:15:20,023 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 184 208) the Hoare annotation is: true [2019-10-07 15:15:20,023 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 184 208) no Hoare annotation was computed. [2019-10-07 15:15:20,024 INFO L439 ceAbstractionStarter]: At program point L198(line 198) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2019-10-07 15:15:20,024 INFO L443 ceAbstractionStarter]: For program point L196(lines 196 202) no Hoare annotation was computed. [2019-10-07 15:15:20,024 INFO L439 ceAbstractionStarter]: At program point L194(line 194) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~methaneLevelCritical~0 0))) [2019-10-07 15:15:20,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.10 03:15:20 BoogieIcfgContainer [2019-10-07 15:15:20,042 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-07 15:15:20,045 INFO L168 Benchmark]: Toolchain (without parser) took 5923.21 ms. Allocated memory was 147.3 MB in the beginning and 277.9 MB in the end (delta: 130.5 MB). Free memory was 103.9 MB in the beginning and 170.4 MB in the end (delta: -66.6 MB). Peak memory consumption was 105.2 MB. Max. memory is 7.1 GB. [2019-10-07 15:15:20,046 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 147.3 MB. Free memory was 123.7 MB in the beginning and 123.5 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-10-07 15:15:20,047 INFO L168 Benchmark]: CACSL2BoogieTranslator took 725.52 ms. Allocated memory was 147.3 MB in the beginning and 201.9 MB in the end (delta: 54.5 MB). Free memory was 103.6 MB in the beginning and 169.5 MB in the end (delta: -65.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 7.1 GB. [2019-10-07 15:15:20,048 INFO L168 Benchmark]: Boogie Preprocessor took 118.77 ms. Allocated memory is still 201.9 MB. Free memory was 169.5 MB in the beginning and 165.0 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2019-10-07 15:15:20,049 INFO L168 Benchmark]: RCFGBuilder took 1682.41 ms. Allocated memory was 201.9 MB in the beginning and 233.8 MB in the end (delta: 32.0 MB). Free memory was 165.0 MB in the beginning and 145.0 MB in the end (delta: 20.0 MB). Peak memory consumption was 78.1 MB. Max. memory is 7.1 GB. [2019-10-07 15:15:20,050 INFO L168 Benchmark]: TraceAbstraction took 3390.75 ms. Allocated memory was 233.8 MB in the beginning and 277.9 MB in the end (delta: 44.0 MB). Free memory was 143.6 MB in the beginning and 170.4 MB in the end (delta: -26.8 MB). Peak memory consumption was 58.4 MB. Max. memory is 7.1 GB. [2019-10-07 15:15:20,055 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 147.3 MB. Free memory was 123.7 MB in the beginning and 123.5 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 725.52 ms. Allocated memory was 147.3 MB in the beginning and 201.9 MB in the end (delta: 54.5 MB). Free memory was 103.6 MB in the beginning and 169.5 MB in the end (delta: -65.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 118.77 ms. Allocated memory is still 201.9 MB. Free memory was 169.5 MB in the beginning and 165.0 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1682.41 ms. Allocated memory was 201.9 MB in the beginning and 233.8 MB in the end (delta: 32.0 MB). Free memory was 165.0 MB in the beginning and 145.0 MB in the end (delta: 20.0 MB). Peak memory consumption was 78.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3390.75 ms. Allocated memory was 233.8 MB in the beginning and 277.9 MB in the end (delta: 44.0 MB). Free memory was 143.6 MB in the beginning and 170.4 MB in the end (delta: -26.8 MB). Peak memory consumption was 58.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 82]: 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: 685]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 222]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 212]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 686]: 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 39 procedures, 180 locations, 1 error locations. Result: SAFE, OverallTime: 3.2s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.9s, HoareTripleCheckerStatistics: 519 SDtfs, 286 SDslu, 984 SDs, 0 SdLazy, 367 SolverSat, 63 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=327occurred 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, 20 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 52 LocationsWithAnnotation, 430 PreInvPairs, 472 NumberOfFragments, 468 HoareAnnotationTreeSize, 430 FomulaSimplifications, 401 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 52 FomulaSimplificationsInter, 1763 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 236 NumberOfCodeBlocks, 236 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 231 ConstructedInterpolants, 0 QuantifiedInterpolants, 20569 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...