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_spec5_product11.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 23:17:46,883 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 23:17:46,886 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 23:17:46,898 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 23:17:46,898 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 23:17:46,899 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 23:17:46,900 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 23:17:46,903 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 23:17:46,905 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 23:17:46,908 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 23:17:46,909 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 23:17:46,913 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 23:17:46,913 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 23:17:46,914 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 23:17:46,915 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 23:17:46,916 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 23:17:46,917 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 23:17:46,918 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 23:17:46,919 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 23:17:46,921 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 23:17:46,922 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 23:17:46,923 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 23:17:46,924 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 23:17:46,925 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 23:17:46,927 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 23:17:46,927 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 23:17:46,928 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 23:17:46,928 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 23:17:46,929 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 23:17:46,930 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 23:17:46,930 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 23:17:46,931 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 23:17:46,931 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 23:17:46,932 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 23:17:46,933 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 23:17:46,933 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 23:17:46,934 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 23:17:46,934 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 23:17:46,934 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 23:17:46,935 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 23:17:46,936 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 23:17:46,937 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 23:17:46,952 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 23:17:46,953 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 23:17:46,956 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 23:17:46,956 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 23:17:46,956 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 23:17:46,957 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 23:17:46,957 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 23:17:46,957 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 23:17:46,957 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 23:17:46,957 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 23:17:46,958 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 23:17:46,958 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 23:17:46,958 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 23:17:46,960 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 23:17:46,960 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 23:17:46,961 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 23:17:46,961 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 23:17:46,961 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 23:17:46,961 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 23:17:46,962 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 23:17:46,962 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 23:17:46,962 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:17:46,962 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 23:17:46,963 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 23:17:46,963 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 23:17:46,963 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 23:17:46,963 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 23:17:46,963 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 23:17:46,964 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-13 23:17:47,253 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 23:17:47,266 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 23:17:47,269 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 23:17:47,270 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 23:17:47,270 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 23:17:47,271 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product11.cil.c [2019-10-13 23:17:47,330 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aba183e56/5a122508571242d5a5b81b7351e0380b/FLAGc266fac8b [2019-10-13 23:17:47,780 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 23:17:47,781 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product11.cil.c [2019-10-13 23:17:47,799 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aba183e56/5a122508571242d5a5b81b7351e0380b/FLAGc266fac8b [2019-10-13 23:17:48,147 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aba183e56/5a122508571242d5a5b81b7351e0380b [2019-10-13 23:17:48,157 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 23:17:48,158 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 23:17:48,159 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 23:17:48,159 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 23:17:48,163 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 23:17:48,164 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:17:48" (1/1) ... [2019-10-13 23:17:48,169 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e394a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:48, skipping insertion in model container [2019-10-13 23:17:48,169 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:17:48" (1/1) ... [2019-10-13 23:17:48,177 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 23:17:48,234 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 23:17:48,627 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:17:48,642 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 23:17:48,743 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:17:48,776 INFO L192 MainTranslator]: Completed translation [2019-10-13 23:17:48,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:48 WrapperNode [2019-10-13 23:17:48,777 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 23:17:48,778 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 23:17:48,778 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 23:17:48,778 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 23:17:48,790 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:48" (1/1) ... [2019-10-13 23:17:48,790 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:48" (1/1) ... [2019-10-13 23:17:48,807 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:48" (1/1) ... [2019-10-13 23:17:48,808 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:48" (1/1) ... [2019-10-13 23:17:48,838 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:48" (1/1) ... [2019-10-13 23:17:48,848 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:48" (1/1) ... [2019-10-13 23:17:48,854 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:48" (1/1) ... [2019-10-13 23:17:48,861 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 23:17:48,862 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 23:17:48,862 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 23:17:48,862 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 23:17:48,863 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:48" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:17:48,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 23:17:48,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 23:17:48,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 23:17:48,923 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 23:17:48,923 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 23:17:48,923 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 23:17:48,923 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 23:17:48,924 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 23:17:48,924 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 23:17:48,924 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 23:17:48,924 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 23:17:48,924 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 23:17:48,924 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 23:17:48,925 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 23:17:48,925 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 23:17:48,925 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 23:17:48,925 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 23:17:48,925 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 23:17:48,926 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 23:17:48,926 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 23:17:48,926 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 23:17:48,926 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2019-10-13 23:17:48,926 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 23:17:48,926 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 23:17:48,927 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 23:17:48,927 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 23:17:48,927 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 23:17:48,927 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-13 23:17:48,927 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 23:17:48,927 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 23:17:48,928 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 23:17:48,928 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 23:17:48,928 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 23:17:48,928 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 23:17:48,928 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 23:17:48,928 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-10-13 23:17:48,929 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-10-13 23:17:48,929 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-10-13 23:17:48,929 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 23:17:48,929 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 23:17:48,929 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 23:17:48,930 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 23:17:48,930 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 23:17:48,930 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 23:17:48,930 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 23:17:48,930 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 23:17:48,930 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 23:17:48,931 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 23:17:48,931 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 23:17:48,931 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 23:17:48,931 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 23:17:48,931 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 23:17:48,931 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 23:17:48,931 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 23:17:48,932 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-10-13 23:17:48,932 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 23:17:48,932 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 23:17:48,932 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 23:17:48,932 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 23:17:48,933 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 23:17:48,933 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 23:17:48,933 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 23:17:48,933 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 23:17:48,933 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 23:17:48,933 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 23:17:48,933 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-13 23:17:48,934 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-10-13 23:17:48,934 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-10-13 23:17:48,934 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 23:17:48,934 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2019-10-13 23:17:48,934 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 23:17:48,935 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 23:17:48,935 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 23:17:48,935 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 23:17:48,935 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 23:17:48,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 23:17:48,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 23:17:48,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 23:17:48,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 23:17:48,936 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 23:17:48,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 23:17:48,936 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 23:17:48,936 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 23:17:48,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 23:17:48,937 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 23:17:48,937 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 23:17:48,937 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 23:17:48,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 23:17:48,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 23:17:48,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 23:17:50,326 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 23:17:50,326 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 23:17:50,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:17:50 BoogieIcfgContainer [2019-10-13 23:17:50,328 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 23:17:50,329 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 23:17:50,329 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 23:17:50,333 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 23:17:50,333 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:17:48" (1/3) ... [2019-10-13 23:17:50,334 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44699131 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:17:50, skipping insertion in model container [2019-10-13 23:17:50,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:48" (2/3) ... [2019-10-13 23:17:50,335 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44699131 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:17:50, skipping insertion in model container [2019-10-13 23:17:50,335 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:17:50" (3/3) ... [2019-10-13 23:17:50,337 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product11.cil.c [2019-10-13 23:17:50,347 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 23:17:50,356 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 23:17:50,367 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 23:17:50,393 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 23:17:50,393 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 23:17:50,393 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 23:17:50,393 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 23:17:50,394 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 23:17:50,394 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 23:17:50,394 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 23:17:50,394 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 23:17:50,416 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states. [2019-10-13 23:17:50,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-13 23:17:50,424 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:17:50,425 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:17:50,427 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:17:50,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:17:50,433 INFO L82 PathProgramCache]: Analyzing trace with hash 1429946040, now seen corresponding path program 1 times [2019-10-13 23:17:50,443 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:17:50,443 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385216069] [2019-10-13 23:17:50,444 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:17:50,444 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:17:50,444 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:17:50,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:17:50,879 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-13 23:17:50,880 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385216069] [2019-10-13 23:17:50,881 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:17:50,882 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 23:17:50,883 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667207159] [2019-10-13 23:17:50,888 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 23:17:50,889 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:17:50,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 23:17:50,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 23:17:50,909 INFO L87 Difference]: Start difference. First operand 120 states. Second operand 2 states. [2019-10-13 23:17:50,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:17:50,955 INFO L93 Difference]: Finished difference Result 170 states and 209 transitions. [2019-10-13 23:17:50,955 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 23:17:50,956 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-10-13 23:17:50,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:17:50,967 INFO L225 Difference]: With dead ends: 170 [2019-10-13 23:17:50,967 INFO L226 Difference]: Without dead ends: 87 [2019-10-13 23:17:50,971 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 23:17:50,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2019-10-13 23:17:51,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2019-10-13 23:17:51,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2019-10-13 23:17:51,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 100 transitions. [2019-10-13 23:17:51,019 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 100 transitions. Word has length 52 [2019-10-13 23:17:51,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:17:51,020 INFO L462 AbstractCegarLoop]: Abstraction has 87 states and 100 transitions. [2019-10-13 23:17:51,020 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 23:17:51,020 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 100 transitions. [2019-10-13 23:17:51,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-13 23:17:51,023 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:17:51,023 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:17:51,024 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:17:51,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:17:51,024 INFO L82 PathProgramCache]: Analyzing trace with hash 1963458827, now seen corresponding path program 1 times [2019-10-13 23:17:51,025 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:17:51,025 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375019241] [2019-10-13 23:17:51,025 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:17:51,025 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:17:51,026 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:17:51,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:17:51,124 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-13 23:17:51,125 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375019241] [2019-10-13 23:17:51,125 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:17:51,126 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:17:51,126 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091912186] [2019-10-13 23:17:51,128 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:17:51,128 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:17:51,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:17:51,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:17:51,129 INFO L87 Difference]: Start difference. First operand 87 states and 100 transitions. Second operand 3 states. [2019-10-13 23:17:51,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:17:51,148 INFO L93 Difference]: Finished difference Result 119 states and 136 transitions. [2019-10-13 23:17:51,149 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:17:51,149 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-10-13 23:17:51,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:17:51,152 INFO L225 Difference]: With dead ends: 119 [2019-10-13 23:17:51,152 INFO L226 Difference]: Without dead ends: 79 [2019-10-13 23:17:51,153 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:17:51,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2019-10-13 23:17:51,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2019-10-13 23:17:51,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2019-10-13 23:17:51,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 89 transitions. [2019-10-13 23:17:51,167 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 89 transitions. Word has length 53 [2019-10-13 23:17:51,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:17:51,168 INFO L462 AbstractCegarLoop]: Abstraction has 79 states and 89 transitions. [2019-10-13 23:17:51,168 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:17:51,168 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 89 transitions. [2019-10-13 23:17:51,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-10-13 23:17:51,170 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:17:51,171 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:17:51,171 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:17:51,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:17:51,171 INFO L82 PathProgramCache]: Analyzing trace with hash 963249939, now seen corresponding path program 1 times [2019-10-13 23:17:51,172 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:17:51,172 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184411269] [2019-10-13 23:17:51,172 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:17:51,173 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:17:51,173 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:17:51,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:17:51,406 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-13 23:17:51,407 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184411269] [2019-10-13 23:17:51,407 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:17:51,407 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 23:17:51,408 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906715357] [2019-10-13 23:17:51,410 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 23:17:51,410 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:17:51,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 23:17:51,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 23:17:51,412 INFO L87 Difference]: Start difference. First operand 79 states and 89 transitions. Second operand 7 states. [2019-10-13 23:17:51,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:17:51,750 INFO L93 Difference]: Finished difference Result 236 states and 281 transitions. [2019-10-13 23:17:51,750 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 23:17:51,751 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2019-10-13 23:17:51,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:17:51,756 INFO L225 Difference]: With dead ends: 236 [2019-10-13 23:17:51,756 INFO L226 Difference]: Without dead ends: 182 [2019-10-13 23:17:51,757 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-13 23:17:51,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2019-10-13 23:17:51,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 164. [2019-10-13 23:17:51,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2019-10-13 23:17:51,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 193 transitions. [2019-10-13 23:17:51,785 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 193 transitions. Word has length 56 [2019-10-13 23:17:51,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:17:51,785 INFO L462 AbstractCegarLoop]: Abstraction has 164 states and 193 transitions. [2019-10-13 23:17:51,786 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 23:17:51,786 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 193 transitions. [2019-10-13 23:17:51,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-10-13 23:17:51,788 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:17:51,788 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:17:51,788 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:17:51,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:17:51,789 INFO L82 PathProgramCache]: Analyzing trace with hash 461400667, now seen corresponding path program 1 times [2019-10-13 23:17:51,789 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:17:51,789 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464949637] [2019-10-13 23:17:51,789 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:17:51,789 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:17:51,790 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:17:51,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:17:51,890 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 23:17:51,890 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464949637] [2019-10-13 23:17:51,891 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:17:51,891 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 23:17:51,891 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482039986] [2019-10-13 23:17:51,891 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 23:17:51,892 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:17:51,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 23:17:51,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 23:17:51,892 INFO L87 Difference]: Start difference. First operand 164 states and 193 transitions. Second operand 6 states. [2019-10-13 23:17:52,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:17:52,042 INFO L93 Difference]: Finished difference Result 291 states and 355 transitions. [2019-10-13 23:17:52,042 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 23:17:52,042 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 59 [2019-10-13 23:17:52,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:17:52,043 INFO L225 Difference]: With dead ends: 291 [2019-10-13 23:17:52,043 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 23:17:52,046 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-13 23:17:52,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 23:17:52,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 23:17:52,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 23:17:52,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 23:17:52,047 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 59 [2019-10-13 23:17:52,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:17:52,047 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 23:17:52,047 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 23:17:52,048 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 23:17:52,048 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 23:17:52,052 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 23:17:52,441 INFO L443 ceAbstractionStarter]: For program point L573(lines 573 577) no Hoare annotation was computed. [2019-10-13 23:17:52,441 INFO L443 ceAbstractionStarter]: For program point L567-2(lines 567 588) no Hoare annotation was computed. [2019-10-13 23:17:52,441 INFO L443 ceAbstractionStarter]: For program point L589(lines 566 590) no Hoare annotation was computed. [2019-10-13 23:17:52,442 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 542 597) no Hoare annotation was computed. [2019-10-13 23:17:52,442 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 542 597) no Hoare annotation was computed. [2019-10-13 23:17:52,442 INFO L443 ceAbstractionStarter]: For program point L630(lines 630 634) no Hoare annotation was computed. [2019-10-13 23:17:52,442 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 598 657) no Hoare annotation was computed. [2019-10-13 23:17:52,442 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 598 657) no Hoare annotation was computed. [2019-10-13 23:17:52,442 INFO L443 ceAbstractionStarter]: For program point L624-2(lines 624 649) no Hoare annotation was computed. [2019-10-13 23:17:52,442 INFO L443 ceAbstractionStarter]: For program point L650(lines 623 651) no Hoare annotation was computed. [2019-10-13 23:17:52,443 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 598 657) no Hoare annotation was computed. [2019-10-13 23:17:52,443 INFO L443 ceAbstractionStarter]: For program point L643(line 643) no Hoare annotation was computed. [2019-10-13 23:17:52,443 INFO L443 ceAbstractionStarter]: For program point L643-1(line 643) no Hoare annotation was computed. [2019-10-13 23:17:52,443 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 257 263) the Hoare annotation is: true [2019-10-13 23:17:52,443 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 257 263) no Hoare annotation was computed. [2019-10-13 23:17:52,443 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 264 272) no Hoare annotation was computed. [2019-10-13 23:17:52,444 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 264 272) the Hoare annotation is: true [2019-10-13 23:17:52,444 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 857 864) the Hoare annotation is: true [2019-10-13 23:17:52,444 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 857 864) no Hoare annotation was computed. [2019-10-13 23:17:52,444 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 865 874) the Hoare annotation is: true [2019-10-13 23:17:52,444 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 865 874) no Hoare annotation was computed. [2019-10-13 23:17:52,444 INFO L443 ceAbstractionStarter]: For program point L870(line 870) no Hoare annotation was computed. [2019-10-13 23:17:52,445 INFO L439 ceAbstractionStarter]: At program point L890(line 890) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2019-10-13 23:17:52,445 INFO L443 ceAbstractionStarter]: For program point L888(lines 888 894) no Hoare annotation was computed. [2019-10-13 23:17:52,445 INFO L443 ceAbstractionStarter]: For program point L887(lines 887 897) no Hoare annotation was computed. [2019-10-13 23:17:52,445 INFO L446 ceAbstractionStarter]: At program point L885(line 885) the Hoare annotation is: true [2019-10-13 23:17:52,445 INFO L443 ceAbstractionStarter]: For program point L885-1(line 885) no Hoare annotation was computed. [2019-10-13 23:17:52,445 INFO L443 ceAbstractionStarter]: For program point L883(lines 883 900) no Hoare annotation was computed. [2019-10-13 23:17:52,445 INFO L443 ceAbstractionStarter]: For program point L883-1(lines 875 903) no Hoare annotation was computed. [2019-10-13 23:17:52,445 INFO L446 ceAbstractionStarter]: At program point L881(line 881) the Hoare annotation is: true [2019-10-13 23:17:52,446 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 875 903) the Hoare annotation is: true [2019-10-13 23:17:52,446 INFO L443 ceAbstractionStarter]: For program point L881-1(line 881) no Hoare annotation was computed. [2019-10-13 23:17:52,446 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 875 903) no Hoare annotation was computed. [2019-10-13 23:17:52,446 INFO L443 ceAbstractionStarter]: For program point L225(lines 225 232) no Hoare annotation was computed. [2019-10-13 23:17:52,446 INFO L443 ceAbstractionStarter]: For program point L225-1(lines 225 232) no Hoare annotation was computed. [2019-10-13 23:17:52,446 INFO L443 ceAbstractionStarter]: For program point L223(line 223) no Hoare annotation was computed. [2019-10-13 23:17:52,446 INFO L439 ceAbstractionStarter]: At program point L222(line 222) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-10-13 23:17:52,447 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 215 237) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-10-13 23:17:52,447 INFO L439 ceAbstractionStarter]: At program point L221(line 221) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-10-13 23:17:52,447 INFO L439 ceAbstractionStarter]: At program point L221-1(line 221) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-10-13 23:17:52,447 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 215 237) no Hoare annotation was computed. [2019-10-13 23:17:52,447 INFO L439 ceAbstractionStarter]: At program point L227(line 227) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= main_~tmp~0 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1))) [2019-10-13 23:17:52,448 INFO L439 ceAbstractionStarter]: At program point L227-1(line 227) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= main_~tmp~0 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1))) [2019-10-13 23:17:52,449 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 168 191) no Hoare annotation was computed. [2019-10-13 23:17:52,449 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 168 191) no Hoare annotation was computed. [2019-10-13 23:17:52,449 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 168 191) no Hoare annotation was computed. [2019-10-13 23:17:52,449 INFO L443 ceAbstractionStarter]: For program point L186(line 186) no Hoare annotation was computed. [2019-10-13 23:17:52,449 INFO L443 ceAbstractionStarter]: For program point L185(line 185) no Hoare annotation was computed. [2019-10-13 23:17:52,449 INFO L443 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2019-10-13 23:17:52,449 INFO L443 ceAbstractionStarter]: For program point L183(line 183) no Hoare annotation was computed. [2019-10-13 23:17:52,449 INFO L443 ceAbstractionStarter]: For program point L182(line 182) no Hoare annotation was computed. [2019-10-13 23:17:52,450 INFO L443 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2019-10-13 23:17:52,450 INFO L443 ceAbstractionStarter]: For program point L180(line 180) no Hoare annotation was computed. [2019-10-13 23:17:52,450 INFO L443 ceAbstractionStarter]: For program point L179(line 179) no Hoare annotation was computed. [2019-10-13 23:17:52,450 INFO L443 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2019-10-13 23:17:52,450 INFO L443 ceAbstractionStarter]: For program point L177(line 177) no Hoare annotation was computed. [2019-10-13 23:17:52,450 INFO L443 ceAbstractionStarter]: For program point L176(line 176) no Hoare annotation was computed. [2019-10-13 23:17:52,450 INFO L443 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2019-10-13 23:17:52,450 INFO L443 ceAbstractionStarter]: For program point L174(line 174) no Hoare annotation was computed. [2019-10-13 23:17:52,451 INFO L443 ceAbstractionStarter]: For program point L173(line 173) no Hoare annotation was computed. [2019-10-13 23:17:52,451 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 407 421) no Hoare annotation was computed. [2019-10-13 23:17:52,451 INFO L439 ceAbstractionStarter]: At program point L413(line 413) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2019-10-13 23:17:52,452 INFO L443 ceAbstractionStarter]: For program point L411(lines 411 417) no Hoare annotation was computed. [2019-10-13 23:17:52,452 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 407 421) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0)) [2019-10-13 23:17:52,452 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__baseEXIT(lines 317 324) no Hoare annotation was computed. [2019-10-13 23:17:52,452 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__baseENTRY(lines 317 324) no Hoare annotation was computed. [2019-10-13 23:17:52,452 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 362 370) no Hoare annotation was computed. [2019-10-13 23:17:52,452 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 362 370) the Hoare annotation is: true [2019-10-13 23:17:52,452 INFO L443 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2019-10-13 23:17:52,453 INFO L443 ceAbstractionStarter]: For program point L401-1(line 401) no Hoare annotation was computed. [2019-10-13 23:17:52,453 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 371 406) no Hoare annotation was computed. [2019-10-13 23:17:52,453 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 371 406) no Hoare annotation was computed. [2019-10-13 23:17:52,453 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 250 256) no Hoare annotation was computed. [2019-10-13 23:17:52,453 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 250 256) the Hoare annotation is: true [2019-10-13 23:17:52,453 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 496 541) no Hoare annotation was computed. [2019-10-13 23:17:52,453 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 496 541) no Hoare annotation was computed. [2019-10-13 23:17:52,453 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 809 854) no Hoare annotation was computed. [2019-10-13 23:17:52,453 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 809 854) no Hoare annotation was computed. [2019-10-13 23:17:52,454 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 201 211) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-10-13 23:17:52,454 INFO L439 ceAbstractionStarter]: At program point L206(line 206) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-10-13 23:17:52,454 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 201 211) no Hoare annotation was computed. [2019-10-13 23:17:52,454 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 201 211) no Hoare annotation was computed. [2019-10-13 23:17:52,454 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 351 361) no Hoare annotation was computed. [2019-10-13 23:17:52,454 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 351 361) no Hoare annotation was computed. [2019-10-13 23:17:52,454 INFO L443 ceAbstractionStarter]: For program point L356(line 356) no Hoare annotation was computed. [2019-10-13 23:17:52,455 INFO L443 ceAbstractionStarter]: For program point L356-1(line 356) no Hoare annotation was computed. [2019-10-13 23:17:52,455 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 343 350) the Hoare annotation is: true [2019-10-13 23:17:52,455 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 343 350) no Hoare annotation was computed. [2019-10-13 23:17:52,455 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 310 316) no Hoare annotation was computed. [2019-10-13 23:17:52,455 INFO L446 ceAbstractionStarter]: At program point processEnvironmentFINAL(lines 310 316) the Hoare annotation is: true [2019-10-13 23:17:52,455 INFO L439 ceAbstractionStarter]: At program point L481(lines 432 482) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1))) [2019-10-13 23:17:52,456 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 423 488) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-10-13 23:17:52,456 INFO L439 ceAbstractionStarter]: At program point L471(line 471) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-13 23:17:52,456 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 423 488) no Hoare annotation was computed. [2019-10-13 23:17:52,456 INFO L443 ceAbstractionStarter]: For program point L469(lines 469 475) no Hoare annotation was computed. [2019-10-13 23:17:52,456 INFO L439 ceAbstractionStarter]: At program point L469-1(lines 463 476) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-13 23:17:52,456 INFO L443 ceAbstractionStarter]: For program point L434(lines 433 480) no Hoare annotation was computed. [2019-10-13 23:17:52,456 INFO L443 ceAbstractionStarter]: For program point L463(lines 463 476) no Hoare annotation was computed. [2019-10-13 23:17:52,457 INFO L439 ceAbstractionStarter]: At program point L455(line 455) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-13 23:17:52,457 INFO L443 ceAbstractionStarter]: For program point L453(lines 453 459) no Hoare annotation was computed. [2019-10-13 23:17:52,457 INFO L443 ceAbstractionStarter]: For program point L453-1(lines 453 459) no Hoare annotation was computed. [2019-10-13 23:17:52,457 INFO L439 ceAbstractionStarter]: At program point L478(lines 433 480) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-13 23:17:52,457 INFO L439 ceAbstractionStarter]: At program point L445(line 445) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1))) [2019-10-13 23:17:52,457 INFO L443 ceAbstractionStarter]: For program point L443(lines 443 449) no Hoare annotation was computed. [2019-10-13 23:17:52,458 INFO L443 ceAbstractionStarter]: For program point L443-1(lines 443 449) no Hoare annotation was computed. [2019-10-13 23:17:52,458 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 423 488) no Hoare annotation was computed. [2019-10-13 23:17:52,458 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 763 808) no Hoare annotation was computed. [2019-10-13 23:17:52,458 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 763 808) no Hoare annotation was computed. [2019-10-13 23:17:52,458 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 93 115) no Hoare annotation was computed. [2019-10-13 23:17:52,458 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 93 115) no Hoare annotation was computed. [2019-10-13 23:17:52,458 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 240 249) no Hoare annotation was computed. [2019-10-13 23:17:52,459 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 240 249) no Hoare annotation was computed. [2019-10-13 23:17:52,459 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 660 762) no Hoare annotation was computed. [2019-10-13 23:17:52,459 INFO L443 ceAbstractionStarter]: For program point L725(line 725) no Hoare annotation was computed. [2019-10-13 23:17:52,459 INFO L443 ceAbstractionStarter]: For program point L725-1(line 725) no Hoare annotation was computed. [2019-10-13 23:17:52,459 INFO L443 ceAbstractionStarter]: For program point L684(lines 684 688) no Hoare annotation was computed. [2019-10-13 23:17:52,460 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 660 762) no Hoare annotation was computed. [2019-10-13 23:17:52,460 INFO L443 ceAbstractionStarter]: For program point L709-2(lines 709 729) no Hoare annotation was computed. [2019-10-13 23:17:52,460 INFO L443 ceAbstractionStarter]: For program point L730(lines 708 731) no Hoare annotation was computed. [2019-10-13 23:17:52,461 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 660 762) no Hoare annotation was computed. [2019-10-13 23:17:52,461 INFO L443 ceAbstractionStarter]: For program point L689(lines 689 705) no Hoare annotation was computed. [2019-10-13 23:17:52,461 INFO L443 ceAbstractionStarter]: For program point L710(lines 709 729) no Hoare annotation was computed. [2019-10-13 23:17:52,461 INFO L443 ceAbstractionStarter]: For program point L741(line 741) no Hoare annotation was computed. [2019-10-13 23:17:52,461 INFO L443 ceAbstractionStarter]: For program point L741-1(line 741) no Hoare annotation was computed. [2019-10-13 23:17:52,461 INFO L443 ceAbstractionStarter]: For program point L706(lines 706 747) no Hoare annotation was computed. [2019-10-13 23:17:52,461 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-10-13 23:17:52,462 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:17:52,464 INFO L443 ceAbstractionStarter]: For program point L337(line 337) no Hoare annotation was computed. [2019-10-13 23:17:52,464 INFO L443 ceAbstractionStarter]: For program point L337-1(lines 326 342) no Hoare annotation was computed. [2019-10-13 23:17:52,493 INFO L443 ceAbstractionStarter]: For program point L333(lines 333 339) no Hoare annotation was computed. [2019-10-13 23:17:52,493 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 326 342) no Hoare annotation was computed. [2019-10-13 23:17:52,494 INFO L443 ceAbstractionStarter]: For program point L331(line 331) no Hoare annotation was computed. [2019-10-13 23:17:52,494 INFO L443 ceAbstractionStarter]: For program point L331-1(line 331) no Hoare annotation was computed. [2019-10-13 23:17:52,494 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 326 342) no Hoare annotation was computed. [2019-10-13 23:17:52,494 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 116 124) the Hoare annotation is: true [2019-10-13 23:17:52,494 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 116 124) no Hoare annotation was computed. [2019-10-13 23:17:52,494 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 72 83) the Hoare annotation is: true [2019-10-13 23:17:52,494 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 72 83) no Hoare annotation was computed. [2019-10-13 23:17:52,495 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:17:52,495 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 23:17:52,495 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalENTRY(lines 84 92) no Hoare annotation was computed. [2019-10-13 23:17:52,495 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 84 92) no Hoare annotation was computed. [2019-10-13 23:17:52,495 INFO L443 ceAbstractionStarter]: For program point L288(lines 286 308) no Hoare annotation was computed. [2019-10-13 23:17:52,495 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 283 309) the Hoare annotation is: true [2019-10-13 23:17:52,495 INFO L439 ceAbstractionStarter]: At program point L299(line 299) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= 0 ~systemActive~0))) [2019-10-13 23:17:52,495 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 283 309) no Hoare annotation was computed. [2019-10-13 23:17:52,496 INFO L446 ceAbstractionStarter]: At program point L297(lines 297 303) the Hoare annotation is: true [2019-10-13 23:17:52,496 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 283 309) no Hoare annotation was computed. [2019-10-13 23:17:52,496 INFO L439 ceAbstractionStarter]: At program point L292(line 292) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2019-10-13 23:17:52,496 INFO L443 ceAbstractionStarter]: For program point L290(lines 286 308) no Hoare annotation was computed. [2019-10-13 23:17:52,496 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 137 166) no Hoare annotation was computed. [2019-10-13 23:17:52,496 INFO L443 ceAbstractionStarter]: For program point L158(line 158) no Hoare annotation was computed. [2019-10-13 23:17:52,496 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 137 166) the Hoare annotation is: true [2019-10-13 23:17:52,496 INFO L443 ceAbstractionStarter]: For program point L151(lines 151 155) no Hoare annotation was computed. [2019-10-13 23:17:52,497 INFO L446 ceAbstractionStarter]: At program point L151-1(lines 151 155) the Hoare annotation is: true [2019-10-13 23:17:52,497 INFO L446 ceAbstractionStarter]: At program point L147-2(lines 147 161) the Hoare annotation is: true [2019-10-13 23:17:52,497 INFO L446 ceAbstractionStarter]: At program point L143(line 143) the Hoare annotation is: true [2019-10-13 23:17:52,497 INFO L443 ceAbstractionStarter]: For program point L143-1(line 143) no Hoare annotation was computed. [2019-10-13 23:17:52,497 INFO L446 ceAbstractionStarter]: At program point L162(lines 137 166) the Hoare annotation is: true [2019-10-13 23:17:52,497 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 48 59) the Hoare annotation is: true [2019-10-13 23:17:52,497 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 48 59) no Hoare annotation was computed. [2019-10-13 23:17:52,497 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 192 198) no Hoare annotation was computed. [2019-10-13 23:17:52,498 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 192 198) the Hoare annotation is: true [2019-10-13 23:17:52,498 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:17:52,498 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2019-10-13 23:17:52,498 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 23:17:52,498 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 23:17:52,498 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 60 71) no Hoare annotation was computed. [2019-10-13 23:17:52,498 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 60 71) the Hoare annotation is: true [2019-10-13 23:17:52,499 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 126 133) the Hoare annotation is: true [2019-10-13 23:17:52,499 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 130) no Hoare annotation was computed. [2019-10-13 23:17:52,499 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 126 133) no Hoare annotation was computed. [2019-10-13 23:17:52,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 11:17:52 BoogieIcfgContainer [2019-10-13 23:17:52,528 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 23:17:52,532 INFO L168 Benchmark]: Toolchain (without parser) took 4371.57 ms. Allocated memory was 137.4 MB in the beginning and 249.0 MB in the end (delta: 111.7 MB). Free memory was 99.9 MB in the beginning and 214.8 MB in the end (delta: -114.9 MB). Peak memory consumption was 126.4 MB. Max. memory is 7.1 GB. [2019-10-13 23:17:52,533 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 137.4 MB. Free memory was 119.3 MB in the beginning and 119.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-13 23:17:52,536 INFO L168 Benchmark]: CACSL2BoogieTranslator took 618.20 ms. Allocated memory was 137.4 MB in the beginning and 202.9 MB in the end (delta: 65.5 MB). Free memory was 99.7 MB in the beginning and 172.0 MB in the end (delta: -72.3 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. [2019-10-13 23:17:52,537 INFO L168 Benchmark]: Boogie Preprocessor took 83.71 ms. Allocated memory is still 202.9 MB. Free memory was 172.0 MB in the beginning and 167.9 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-10-13 23:17:52,539 INFO L168 Benchmark]: RCFGBuilder took 1466.41 ms. Allocated memory was 202.9 MB in the beginning and 233.8 MB in the end (delta: 30.9 MB). Free memory was 167.9 MB in the beginning and 156.8 MB in the end (delta: 11.1 MB). Peak memory consumption was 86.7 MB. Max. memory is 7.1 GB. [2019-10-13 23:17:52,544 INFO L168 Benchmark]: TraceAbstraction took 2198.58 ms. Allocated memory was 233.8 MB in the beginning and 249.0 MB in the end (delta: 15.2 MB). Free memory was 156.8 MB in the beginning and 214.8 MB in the end (delta: -58.0 MB). Peak memory consumption was 86.7 MB. Max. memory is 7.1 GB. [2019-10-13 23:17:52,554 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 137.4 MB. Free memory was 119.3 MB in the beginning and 119.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 618.20 ms. Allocated memory was 137.4 MB in the beginning and 202.9 MB in the end (delta: 65.5 MB). Free memory was 99.7 MB in the beginning and 172.0 MB in the end (delta: -72.3 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 83.71 ms. Allocated memory is still 202.9 MB. Free memory was 172.0 MB in the beginning and 167.9 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1466.41 ms. Allocated memory was 202.9 MB in the beginning and 233.8 MB in the end (delta: 30.9 MB). Free memory was 167.9 MB in the beginning and 156.8 MB in the end (delta: 11.1 MB). Peak memory consumption was 86.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2198.58 ms. Allocated memory was 233.8 MB in the beginning and 249.0 MB in the end (delta: 15.2 MB). Free memory was 156.8 MB in the beginning and 214.8 MB in the end (delta: -58.0 MB). Peak memory consumption was 86.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 130]: 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: 147]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 433]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || (0 == splverifierCounter && pumpRunning == 0)) || !(\old(systemActive) == 1) - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: !(0 == \old(pumpRunning)) || !(\old(systemActive) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 172 locations, 1 error locations. Result: SAFE, OverallTime: 2.1s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, HoareTripleCheckerStatistics: 388 SDtfs, 182 SDslu, 644 SDs, 0 SdLazy, 205 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=164occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 18 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 47 LocationsWithAnnotation, 197 PreInvPairs, 218 NumberOfFragments, 301 HoareAnnotationTreeSize, 197 FomulaSimplifications, 113 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 47 FomulaSimplificationsInter, 580 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 220 NumberOfCodeBlocks, 220 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 216 ConstructedInterpolants, 0 QuantifiedInterpolants, 19476 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 8/8 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...