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_product02.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 03:22:17,810 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 03:22:17,813 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 03:22:17,832 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 03:22:17,833 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 03:22:17,835 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 03:22:17,837 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 03:22:17,851 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 03:22:17,853 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 03:22:17,853 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 03:22:17,855 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 03:22:17,857 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 03:22:17,857 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 03:22:17,861 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 03:22:17,863 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 03:22:17,864 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 03:22:17,864 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 03:22:17,867 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 03:22:17,868 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 03:22:17,875 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 03:22:17,878 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 03:22:17,879 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 03:22:17,884 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 03:22:17,884 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 03:22:17,888 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 03:22:17,888 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 03:22:17,889 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 03:22:17,890 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 03:22:17,892 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 03:22:17,893 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 03:22:17,894 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 03:22:17,894 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 03:22:17,895 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 03:22:17,896 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 03:22:17,898 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 03:22:17,898 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 03:22:17,898 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 03:22:17,899 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 03:22:17,899 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 03:22:17,901 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 03:22:17,902 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 03:22:17,903 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 [2019-10-15 03:22:17,923 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 03:22:17,923 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 03:22:17,925 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 03:22:17,925 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 03:22:17,925 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 03:22:17,926 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 03:22:17,926 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 03:22:17,926 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 03:22:17,926 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 03:22:17,926 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 03:22:17,927 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 03:22:17,928 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 03:22:17,928 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 03:22:17,928 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 03:22:17,928 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 03:22:17,929 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 03:22:17,929 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 03:22:17,929 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 03:22:17,929 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 03:22:17,929 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 03:22:17,930 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 03:22:17,930 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 03:22:17,930 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 03:22:17,930 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 03:22:17,930 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 03:22:17,931 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 03:22:17,931 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 03:22:17,931 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 03:22:17,931 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 [2019-10-15 03:22:18,203 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 03:22:18,226 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 03:22:18,229 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 03:22:18,231 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 03:22:18,232 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 03:22:18,232 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product02.cil.c [2019-10-15 03:22:18,307 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/485855ca9/8043419a1c074e98b3473d2792949e94/FLAG917a34eb6 [2019-10-15 03:22:18,845 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 03:22:18,846 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product02.cil.c [2019-10-15 03:22:18,865 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/485855ca9/8043419a1c074e98b3473d2792949e94/FLAG917a34eb6 [2019-10-15 03:22:19,218 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/485855ca9/8043419a1c074e98b3473d2792949e94 [2019-10-15 03:22:19,226 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 03:22:19,227 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 03:22:19,228 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 03:22:19,228 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 03:22:19,231 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 03:22:19,232 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:22:19" (1/1) ... [2019-10-15 03:22:19,235 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@392121d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:22:19, skipping insertion in model container [2019-10-15 03:22:19,235 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:22:19" (1/1) ... [2019-10-15 03:22:19,242 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 03:22:19,285 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 03:22:19,613 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:22:19,716 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 03:22:19,829 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:22:19,867 INFO L192 MainTranslator]: Completed translation [2019-10-15 03:22:19,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:22:19 WrapperNode [2019-10-15 03:22:19,868 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 03:22:19,869 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 03:22:19,869 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 03:22:19,870 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 03:22:19,886 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:22:19" (1/1) ... [2019-10-15 03:22:19,886 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:22:19" (1/1) ... [2019-10-15 03:22:19,921 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:22:19" (1/1) ... [2019-10-15 03:22:19,924 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:22:19" (1/1) ... [2019-10-15 03:22:19,977 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:22:19" (1/1) ... [2019-10-15 03:22:19,989 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:22:19" (1/1) ... [2019-10-15 03:22:19,995 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:22:19" (1/1) ... [2019-10-15 03:22:20,004 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 03:22:20,005 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 03:22:20,005 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 03:22:20,005 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 03:22:20,006 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:22:19" (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 [2019-10-15 03:22:20,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 03:22:20,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 03:22:20,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 03:22:20,061 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 03:22:20,061 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 03:22:20,061 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 03:22:20,061 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 03:22:20,061 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 03:22:20,062 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 03:22:20,062 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-15 03:22:20,062 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-15 03:22:20,062 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-15 03:22:20,062 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-15 03:22:20,062 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-15 03:22:20,063 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-15 03:22:20,063 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-15 03:22:20,065 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-15 03:22:20,065 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-15 03:22:20,066 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-15 03:22:20,066 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-15 03:22:20,066 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-15 03:22:20,066 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-15 03:22:20,066 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-15 03:22:20,067 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 03:22:20,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 03:22:20,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-10-15 03:22:20,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-10-15 03:22:20,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-10-15 03:22:20,067 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 03:22:20,067 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 03:22:20,068 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 03:22:20,068 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 03:22:20,068 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-15 03:22:20,068 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-15 03:22:20,069 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 03:22:20,069 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-15 03:22:20,069 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 03:22:20,069 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 03:22:20,069 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 03:22:20,069 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 03:22:20,069 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 03:22:20,070 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 03:22:20,070 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 03:22:20,070 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 03:22:20,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 03:22:20,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 03:22:20,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 03:22:20,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 03:22:20,071 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 03:22:20,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 03:22:20,071 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 03:22:20,071 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 03:22:20,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 03:22:20,071 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 03:22:20,072 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 03:22:20,072 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 03:22:20,072 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 03:22:20,072 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-15 03:22:20,072 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-15 03:22:20,073 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-15 03:22:20,073 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-15 03:22:20,073 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-15 03:22:20,073 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-15 03:22:20,074 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-15 03:22:20,074 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-15 03:22:20,074 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-15 03:22:20,074 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-15 03:22:20,074 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-15 03:22:20,074 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-15 03:22:20,074 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-10-15 03:22:20,075 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-10-15 03:22:20,075 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-15 03:22:20,075 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-15 03:22:20,076 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-15 03:22:20,076 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 03:22:20,076 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 03:22:20,076 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-10-15 03:22:20,076 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 03:22:20,077 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 03:22:20,077 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 03:22:20,077 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 03:22:20,077 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-15 03:22:20,077 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 03:22:20,077 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-15 03:22:20,078 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 03:22:20,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 03:22:20,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 03:22:20,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 03:22:21,589 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 03:22:21,589 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-15 03:22:21,591 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:22:21 BoogieIcfgContainer [2019-10-15 03:22:21,591 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 03:22:21,592 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 03:22:21,592 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 03:22:21,597 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 03:22:21,598 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 03:22:19" (1/3) ... [2019-10-15 03:22:21,599 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76f1192a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:22:21, skipping insertion in model container [2019-10-15 03:22:21,599 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:22:19" (2/3) ... [2019-10-15 03:22:21,600 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76f1192a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:22:21, skipping insertion in model container [2019-10-15 03:22:21,600 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:22:21" (3/3) ... [2019-10-15 03:22:21,603 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product02.cil.c [2019-10-15 03:22:21,615 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 03:22:21,625 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 03:22:21,639 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 03:22:21,671 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 03:22:21,671 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 03:22:21,671 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 03:22:21,672 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 03:22:21,672 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 03:22:21,672 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 03:22:21,672 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 03:22:21,673 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 03:22:21,699 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states. [2019-10-15 03:22:21,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-15 03:22:21,709 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:22:21,710 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] [2019-10-15 03:22:21,713 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:22:21,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:22:21,721 INFO L82 PathProgramCache]: Analyzing trace with hash -363226432, now seen corresponding path program 1 times [2019-10-15 03:22:21,733 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:22:21,734 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143141884] [2019-10-15 03:22:21,734 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:22:21,734 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:22:21,735 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:22:22,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:22:22,175 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-15 03:22:22,176 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143141884] [2019-10-15 03:22:22,178 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:22:22,179 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 03:22:22,179 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623155940] [2019-10-15 03:22:22,186 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 03:22:22,187 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:22:22,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 03:22:22,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 03:22:22,202 INFO L87 Difference]: Start difference. First operand 115 states. Second operand 2 states. [2019-10-15 03:22:22,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:22:22,239 INFO L93 Difference]: Finished difference Result 160 states and 195 transitions. [2019-10-15 03:22:22,239 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 03:22:22,241 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-10-15 03:22:22,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:22:22,252 INFO L225 Difference]: With dead ends: 160 [2019-10-15 03:22:22,253 INFO L226 Difference]: Without dead ends: 82 [2019-10-15 03:22:22,257 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 [2019-10-15 03:22:22,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2019-10-15 03:22:22,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2019-10-15 03:22:22,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2019-10-15 03:22:22,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 93 transitions. [2019-10-15 03:22:22,312 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 93 transitions. Word has length 52 [2019-10-15 03:22:22,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:22:22,313 INFO L462 AbstractCegarLoop]: Abstraction has 82 states and 93 transitions. [2019-10-15 03:22:22,313 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 03:22:22,313 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 93 transitions. [2019-10-15 03:22:22,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-15 03:22:22,316 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:22:22,317 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] [2019-10-15 03:22:22,317 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:22:22,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:22:22,318 INFO L82 PathProgramCache]: Analyzing trace with hash -1582227820, now seen corresponding path program 1 times [2019-10-15 03:22:22,318 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:22:22,318 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487169880] [2019-10-15 03:22:22,318 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:22:22,318 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:22:22,319 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:22:22,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:22:22,480 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-15 03:22:22,481 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487169880] [2019-10-15 03:22:22,481 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:22:22,482 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:22:22,482 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050228582] [2019-10-15 03:22:22,485 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:22:22,486 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:22:22,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:22:22,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:22:22,486 INFO L87 Difference]: Start difference. First operand 82 states and 93 transitions. Second operand 3 states. [2019-10-15 03:22:22,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:22:22,524 INFO L93 Difference]: Finished difference Result 114 states and 129 transitions. [2019-10-15 03:22:22,525 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:22:22,525 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-10-15 03:22:22,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:22:22,528 INFO L225 Difference]: With dead ends: 114 [2019-10-15 03:22:22,529 INFO L226 Difference]: Without dead ends: 74 [2019-10-15 03:22:22,530 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 [2019-10-15 03:22:22,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2019-10-15 03:22:22,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2019-10-15 03:22:22,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2019-10-15 03:22:22,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 82 transitions. [2019-10-15 03:22:22,554 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 82 transitions. Word has length 53 [2019-10-15 03:22:22,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:22:22,554 INFO L462 AbstractCegarLoop]: Abstraction has 74 states and 82 transitions. [2019-10-15 03:22:22,555 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:22:22,555 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 82 transitions. [2019-10-15 03:22:22,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-10-15 03:22:22,562 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:22:22,562 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] [2019-10-15 03:22:22,562 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:22:22,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:22:22,563 INFO L82 PathProgramCache]: Analyzing trace with hash 792408721, now seen corresponding path program 1 times [2019-10-15 03:22:22,564 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:22:22,564 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894275046] [2019-10-15 03:22:22,564 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:22:22,564 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:22:22,564 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:22:22,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:22:22,816 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-15 03:22:22,816 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894275046] [2019-10-15 03:22:22,816 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:22:22,817 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 03:22:22,817 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995810529] [2019-10-15 03:22:22,818 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 03:22:22,819 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:22:22,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 03:22:22,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-15 03:22:22,820 INFO L87 Difference]: Start difference. First operand 74 states and 82 transitions. Second operand 7 states. [2019-10-15 03:22:23,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:22:23,164 INFO L93 Difference]: Finished difference Result 123 states and 140 transitions. [2019-10-15 03:22:23,165 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 03:22:23,166 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2019-10-15 03:22:23,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:22:23,167 INFO L225 Difference]: With dead ends: 123 [2019-10-15 03:22:23,167 INFO L226 Difference]: Without dead ends: 74 [2019-10-15 03:22:23,168 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 [2019-10-15 03:22:23,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2019-10-15 03:22:23,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2019-10-15 03:22:23,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2019-10-15 03:22:23,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 81 transitions. [2019-10-15 03:22:23,184 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 81 transitions. Word has length 56 [2019-10-15 03:22:23,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:22:23,188 INFO L462 AbstractCegarLoop]: Abstraction has 74 states and 81 transitions. [2019-10-15 03:22:23,188 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 03:22:23,189 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 81 transitions. [2019-10-15 03:22:23,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-10-15 03:22:23,193 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:22:23,193 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] [2019-10-15 03:22:23,194 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:22:23,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:22:23,194 INFO L82 PathProgramCache]: Analyzing trace with hash 273488100, now seen corresponding path program 1 times [2019-10-15 03:22:23,194 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:22:23,195 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242671732] [2019-10-15 03:22:23,195 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:22:23,195 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:22:23,195 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:22:23,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:22:23,352 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-15 03:22:23,353 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242671732] [2019-10-15 03:22:23,353 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:22:23,353 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 03:22:23,353 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539326491] [2019-10-15 03:22:23,354 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 03:22:23,354 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:22:23,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 03:22:23,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 03:22:23,355 INFO L87 Difference]: Start difference. First operand 74 states and 81 transitions. Second operand 6 states. [2019-10-15 03:22:23,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:22:23,519 INFO L93 Difference]: Finished difference Result 118 states and 134 transitions. [2019-10-15 03:22:23,520 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 03:22:23,520 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 59 [2019-10-15 03:22:23,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:22:23,521 INFO L225 Difference]: With dead ends: 118 [2019-10-15 03:22:23,521 INFO L226 Difference]: Without dead ends: 0 [2019-10-15 03:22:23,522 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-15 03:22:23,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-15 03:22:23,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-15 03:22:23,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-15 03:22:23,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-15 03:22:23,523 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 59 [2019-10-15 03:22:23,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:22:23,523 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-15 03:22:23,524 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 03:22:23,524 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-15 03:22:23,524 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-15 03:22:23,529 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-15 03:22:23,935 INFO L443 ceAbstractionStarter]: For program point L123(lines 123 127) no Hoare annotation was computed. [2019-10-15 03:22:23,935 INFO L443 ceAbstractionStarter]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2019-10-15 03:22:23,935 INFO L443 ceAbstractionStarter]: For program point L139(lines 116 140) no Hoare annotation was computed. [2019-10-15 03:22:23,935 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2019-10-15 03:22:23,935 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2019-10-15 03:22:23,936 INFO L443 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-10-15 03:22:23,936 INFO L443 ceAbstractionStarter]: For program point L193-1(line 193) no Hoare annotation was computed. [2019-10-15 03:22:23,936 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2019-10-15 03:22:23,936 INFO L443 ceAbstractionStarter]: For program point L180(lines 180 184) no Hoare annotation was computed. [2019-10-15 03:22:23,936 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2019-10-15 03:22:23,936 INFO L443 ceAbstractionStarter]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2019-10-15 03:22:23,936 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2019-10-15 03:22:23,936 INFO L443 ceAbstractionStarter]: For program point L200(lines 173 201) no Hoare annotation was computed. [2019-10-15 03:22:23,937 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 765 771) the Hoare annotation is: true [2019-10-15 03:22:23,937 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 765 771) no Hoare annotation was computed. [2019-10-15 03:22:23,937 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 772 780) no Hoare annotation was computed. [2019-10-15 03:22:23,939 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 772 780) the Hoare annotation is: true [2019-10-15 03:22:23,939 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 696 703) the Hoare annotation is: true [2019-10-15 03:22:23,939 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 696 703) no Hoare annotation was computed. [2019-10-15 03:22:23,939 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 704 713) the Hoare annotation is: true [2019-10-15 03:22:23,939 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 704 713) no Hoare annotation was computed. [2019-10-15 03:22:23,939 INFO L443 ceAbstractionStarter]: For program point L709(line 709) no Hoare annotation was computed. [2019-10-15 03:22:23,940 INFO L439 ceAbstractionStarter]: At program point L729(line 729) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2019-10-15 03:22:23,940 INFO L443 ceAbstractionStarter]: For program point L727(lines 727 733) no Hoare annotation was computed. [2019-10-15 03:22:23,940 INFO L443 ceAbstractionStarter]: For program point L726(lines 726 736) no Hoare annotation was computed. [2019-10-15 03:22:23,940 INFO L446 ceAbstractionStarter]: At program point L724(line 724) the Hoare annotation is: true [2019-10-15 03:22:23,940 INFO L443 ceAbstractionStarter]: For program point L724-1(line 724) no Hoare annotation was computed. [2019-10-15 03:22:23,940 INFO L443 ceAbstractionStarter]: For program point L722(lines 722 739) no Hoare annotation was computed. [2019-10-15 03:22:23,941 INFO L443 ceAbstractionStarter]: For program point L722-1(lines 714 742) no Hoare annotation was computed. [2019-10-15 03:22:23,941 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 714 742) the Hoare annotation is: true [2019-10-15 03:22:23,941 INFO L446 ceAbstractionStarter]: At program point L720(line 720) the Hoare annotation is: true [2019-10-15 03:22:23,941 INFO L443 ceAbstractionStarter]: For program point L720-1(line 720) no Hoare annotation was computed. [2019-10-15 03:22:23,941 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 714 742) no Hoare annotation was computed. [2019-10-15 03:22:23,942 INFO L443 ceAbstractionStarter]: For program point L865(lines 865 872) no Hoare annotation was computed. [2019-10-15 03:22:23,942 INFO L443 ceAbstractionStarter]: For program point L865-1(lines 865 872) no Hoare annotation was computed. [2019-10-15 03:22:23,942 INFO L443 ceAbstractionStarter]: For program point L863(line 863) no Hoare annotation was computed. [2019-10-15 03:22:23,943 INFO L439 ceAbstractionStarter]: At program point L862(line 862) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (= 1 ~systemActive~0)) [2019-10-15 03:22:23,943 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 855 877) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (= 1 ~systemActive~0)) [2019-10-15 03:22:23,944 INFO L439 ceAbstractionStarter]: At program point L861(line 861) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (= 1 ~systemActive~0)) [2019-10-15 03:22:23,944 INFO L439 ceAbstractionStarter]: At program point L861-1(line 861) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (= 1 ~systemActive~0)) [2019-10-15 03:22:23,944 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 855 877) no Hoare annotation was computed. [2019-10-15 03:22:23,945 INFO L439 ceAbstractionStarter]: At program point L867(line 867) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= main_~tmp~5 ~systemActive~0)) (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1))) [2019-10-15 03:22:23,945 INFO L439 ceAbstractionStarter]: At program point L867-1(line 867) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= main_~tmp~5 ~systemActive~0)) (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1))) [2019-10-15 03:22:23,945 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 813 836) no Hoare annotation was computed. [2019-10-15 03:22:23,945 INFO L443 ceAbstractionStarter]: For program point L831(line 831) no Hoare annotation was computed. [2019-10-15 03:22:23,946 INFO L443 ceAbstractionStarter]: For program point L830(line 830) no Hoare annotation was computed. [2019-10-15 03:22:23,946 INFO L443 ceAbstractionStarter]: For program point L829(line 829) no Hoare annotation was computed. [2019-10-15 03:22:23,946 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 813 836) no Hoare annotation was computed. [2019-10-15 03:22:23,946 INFO L443 ceAbstractionStarter]: For program point L828(line 828) no Hoare annotation was computed. [2019-10-15 03:22:23,946 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 813 836) no Hoare annotation was computed. [2019-10-15 03:22:23,946 INFO L443 ceAbstractionStarter]: For program point L827(line 827) no Hoare annotation was computed. [2019-10-15 03:22:23,947 INFO L443 ceAbstractionStarter]: For program point L826(line 826) no Hoare annotation was computed. [2019-10-15 03:22:23,947 INFO L443 ceAbstractionStarter]: For program point L825(line 825) no Hoare annotation was computed. [2019-10-15 03:22:23,947 INFO L443 ceAbstractionStarter]: For program point L824(line 824) no Hoare annotation was computed. [2019-10-15 03:22:23,947 INFO L443 ceAbstractionStarter]: For program point L823(line 823) no Hoare annotation was computed. [2019-10-15 03:22:23,947 INFO L443 ceAbstractionStarter]: For program point L822(line 822) no Hoare annotation was computed. [2019-10-15 03:22:23,947 INFO L443 ceAbstractionStarter]: For program point L821(line 821) no Hoare annotation was computed. [2019-10-15 03:22:23,948 INFO L443 ceAbstractionStarter]: For program point L820(line 820) no Hoare annotation was computed. [2019-10-15 03:22:23,948 INFO L443 ceAbstractionStarter]: For program point L819(line 819) no Hoare annotation was computed. [2019-10-15 03:22:23,948 INFO L443 ceAbstractionStarter]: For program point L818(line 818) no Hoare annotation was computed. [2019-10-15 03:22:23,948 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 564 572) no Hoare annotation was computed. [2019-10-15 03:22:23,948 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 564 572) the Hoare annotation is: true [2019-10-15 03:22:23,948 INFO L443 ceAbstractionStarter]: For program point L603(line 603) no Hoare annotation was computed. [2019-10-15 03:22:23,948 INFO L443 ceAbstractionStarter]: For program point L603-1(line 603) no Hoare annotation was computed. [2019-10-15 03:22:23,949 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 573 608) no Hoare annotation was computed. [2019-10-15 03:22:23,949 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 573 608) no Hoare annotation was computed. [2019-10-15 03:22:23,949 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 758 764) no Hoare annotation was computed. [2019-10-15 03:22:23,949 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 758 764) the Hoare annotation is: true [2019-10-15 03:22:23,949 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2019-10-15 03:22:23,949 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2019-10-15 03:22:23,950 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2019-10-15 03:22:23,950 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2019-10-15 03:22:23,950 INFO L439 ceAbstractionStarter]: At program point L849(line 849) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (= 1 ~systemActive~0)) [2019-10-15 03:22:23,950 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 844 854) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (= 1 ~systemActive~0)) [2019-10-15 03:22:23,950 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 844 854) no Hoare annotation was computed. [2019-10-15 03:22:23,950 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 844 854) no Hoare annotation was computed. [2019-10-15 03:22:23,950 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 553 563) no Hoare annotation was computed. [2019-10-15 03:22:23,951 INFO L443 ceAbstractionStarter]: For program point L558(line 558) no Hoare annotation was computed. [2019-10-15 03:22:23,951 INFO L443 ceAbstractionStarter]: For program point L558-1(line 558) no Hoare annotation was computed. [2019-10-15 03:22:23,951 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 553 563) no Hoare annotation was computed. [2019-10-15 03:22:23,951 INFO L443 ceAbstractionStarter]: For program point deactivatePumpENTRY(lines 545 552) no Hoare annotation was computed. [2019-10-15 03:22:23,951 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 545 552) no Hoare annotation was computed. [2019-10-15 03:22:23,951 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 530 536) no Hoare annotation was computed. [2019-10-15 03:22:23,951 INFO L446 ceAbstractionStarter]: At program point processEnvironmentFINAL(lines 530 536) the Hoare annotation is: true [2019-10-15 03:22:23,952 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 619 684) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (= 1 ~systemActive~0)) [2019-10-15 03:22:23,952 INFO L439 ceAbstractionStarter]: At program point L667-2(lines 659 672) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0))) [2019-10-15 03:22:23,952 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 619 684) no Hoare annotation was computed. [2019-10-15 03:22:23,952 INFO L443 ceAbstractionStarter]: For program point L630(lines 629 676) no Hoare annotation was computed. [2019-10-15 03:22:23,952 INFO L439 ceAbstractionStarter]: At program point L661(line 661) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0))) [2019-10-15 03:22:23,952 INFO L443 ceAbstractionStarter]: For program point L659(lines 659 672) no Hoare annotation was computed. [2019-10-15 03:22:23,953 INFO L439 ceAbstractionStarter]: At program point L651(line 651) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0))) [2019-10-15 03:22:23,953 INFO L443 ceAbstractionStarter]: For program point L649(lines 649 655) no Hoare annotation was computed. [2019-10-15 03:22:23,953 INFO L443 ceAbstractionStarter]: For program point L649-1(lines 649 655) no Hoare annotation was computed. [2019-10-15 03:22:23,953 INFO L439 ceAbstractionStarter]: At program point L674(lines 629 676) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0))) [2019-10-15 03:22:23,953 INFO L439 ceAbstractionStarter]: At program point L641(line 641) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 0 test_~splverifierCounter~0))) [2019-10-15 03:22:23,954 INFO L443 ceAbstractionStarter]: For program point L639(lines 639 645) no Hoare annotation was computed. [2019-10-15 03:22:23,954 INFO L443 ceAbstractionStarter]: For program point L639-1(lines 639 645) no Hoare annotation was computed. [2019-10-15 03:22:23,954 INFO L439 ceAbstractionStarter]: At program point L677(lines 628 678) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1))) [2019-10-15 03:22:23,955 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 619 684) no Hoare annotation was computed. [2019-10-15 03:22:23,955 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2019-10-15 03:22:23,955 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2019-10-15 03:22:23,955 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 459 481) no Hoare annotation was computed. [2019-10-15 03:22:23,955 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 459 481) no Hoare annotation was computed. [2019-10-15 03:22:23,955 INFO L443 ceAbstractionStarter]: For program point L256(lines 256 297) no Hoare annotation was computed. [2019-10-15 03:22:23,956 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2019-10-15 03:22:23,956 INFO L443 ceAbstractionStarter]: For program point L275(line 275) no Hoare annotation was computed. [2019-10-15 03:22:23,956 INFO L443 ceAbstractionStarter]: For program point L275-1(line 275) no Hoare annotation was computed. [2019-10-15 03:22:23,956 INFO L443 ceAbstractionStarter]: For program point L234(lines 234 238) no Hoare annotation was computed. [2019-10-15 03:22:23,956 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2019-10-15 03:22:23,956 INFO L443 ceAbstractionStarter]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2019-10-15 03:22:23,956 INFO L443 ceAbstractionStarter]: For program point L280(lines 258 281) no Hoare annotation was computed. [2019-10-15 03:22:23,956 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2019-10-15 03:22:23,957 INFO L443 ceAbstractionStarter]: For program point L239(lines 239 255) no Hoare annotation was computed. [2019-10-15 03:22:23,957 INFO L443 ceAbstractionStarter]: For program point L260(lines 259 279) no Hoare annotation was computed. [2019-10-15 03:22:23,957 INFO L443 ceAbstractionStarter]: For program point L291(line 291) no Hoare annotation was computed. [2019-10-15 03:22:23,957 INFO L443 ceAbstractionStarter]: For program point L291-1(line 291) no Hoare annotation was computed. [2019-10-15 03:22:23,957 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 748 757) no Hoare annotation was computed. [2019-10-15 03:22:23,957 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 748 757) no Hoare annotation was computed. [2019-10-15 03:22:23,957 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-10-15 03:22:23,961 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-15 03:22:23,962 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 537 544) no Hoare annotation was computed. [2019-10-15 03:22:23,962 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 537 544) no Hoare annotation was computed. [2019-10-15 03:22:23,962 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 482 490) the Hoare annotation is: true [2019-10-15 03:22:23,962 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 482 490) no Hoare annotation was computed. [2019-10-15 03:22:23,962 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-15 03:22:23,962 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-15 03:22:23,962 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 438 449) the Hoare annotation is: true [2019-10-15 03:22:23,963 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 438 449) no Hoare annotation was computed. [2019-10-15 03:22:23,963 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalENTRY(lines 450 458) no Hoare annotation was computed. [2019-10-15 03:22:23,966 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 450 458) no Hoare annotation was computed. [2019-10-15 03:22:23,966 INFO L439 ceAbstractionStarter]: At program point L512(line 512) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2019-10-15 03:22:23,966 INFO L443 ceAbstractionStarter]: For program point L510(lines 506 528) no Hoare annotation was computed. [2019-10-15 03:22:23,966 INFO L443 ceAbstractionStarter]: For program point L508(lines 506 528) no Hoare annotation was computed. [2019-10-15 03:22:23,966 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 503 529) the Hoare annotation is: true [2019-10-15 03:22:23,966 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 503 529) no Hoare annotation was computed. [2019-10-15 03:22:23,967 INFO L446 ceAbstractionStarter]: At program point L519(line 519) the Hoare annotation is: true [2019-10-15 03:22:23,967 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 503 529) no Hoare annotation was computed. [2019-10-15 03:22:23,967 INFO L446 ceAbstractionStarter]: At program point L517(lines 517 523) the Hoare annotation is: true [2019-10-15 03:22:23,967 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 783 812) no Hoare annotation was computed. [2019-10-15 03:22:23,967 INFO L443 ceAbstractionStarter]: For program point L797(lines 797 801) no Hoare annotation was computed. [2019-10-15 03:22:23,967 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 783 812) the Hoare annotation is: true [2019-10-15 03:22:23,967 INFO L446 ceAbstractionStarter]: At program point L797-1(lines 797 801) the Hoare annotation is: true [2019-10-15 03:22:23,968 INFO L446 ceAbstractionStarter]: At program point L793-2(lines 793 807) the Hoare annotation is: true [2019-10-15 03:22:23,968 INFO L446 ceAbstractionStarter]: At program point L789(line 789) the Hoare annotation is: true [2019-10-15 03:22:23,968 INFO L443 ceAbstractionStarter]: For program point L789-1(line 789) no Hoare annotation was computed. [2019-10-15 03:22:23,968 INFO L446 ceAbstractionStarter]: At program point L808(lines 783 812) the Hoare annotation is: true [2019-10-15 03:22:23,969 INFO L443 ceAbstractionStarter]: For program point L804(line 804) no Hoare annotation was computed. [2019-10-15 03:22:23,969 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 414 425) the Hoare annotation is: true [2019-10-15 03:22:23,969 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 414 425) no Hoare annotation was computed. [2019-10-15 03:22:23,969 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 837 843) no Hoare annotation was computed. [2019-10-15 03:22:23,969 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 837 843) the Hoare annotation is: true [2019-10-15 03:22:23,969 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-15 03:22:23,969 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2019-10-15 03:22:23,970 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-15 03:22:23,970 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-15 03:22:23,970 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 609 616) no Hoare annotation was computed. [2019-10-15 03:22:23,970 INFO L439 ceAbstractionStarter]: At program point startSystemENTRY(lines 609 616) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (= 1 ~systemActive~0)) [2019-10-15 03:22:23,970 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 426 437) no Hoare annotation was computed. [2019-10-15 03:22:23,970 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 426 437) the Hoare annotation is: true [2019-10-15 03:22:23,970 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 690) no Hoare annotation was computed. [2019-10-15 03:22:23,971 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 686 693) the Hoare annotation is: true [2019-10-15 03:22:23,971 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 686 693) no Hoare annotation was computed. [2019-10-15 03:22:24,000 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 03:22:24 BoogieIcfgContainer [2019-10-15 03:22:24,001 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-15 03:22:24,013 INFO L168 Benchmark]: Toolchain (without parser) took 4781.48 ms. Allocated memory was 140.0 MB in the beginning and 248.5 MB in the end (delta: 108.5 MB). Free memory was 102.2 MB in the beginning and 96.1 MB in the end (delta: 6.1 MB). Peak memory consumption was 114.6 MB. Max. memory is 7.1 GB. [2019-10-15 03:22:24,014 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 140.0 MB. Free memory is still 121.3 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-15 03:22:24,015 INFO L168 Benchmark]: CACSL2BoogieTranslator took 640.88 ms. Allocated memory was 140.0 MB in the beginning and 202.9 MB in the end (delta: 62.9 MB). Free memory was 101.8 MB in the beginning and 173.4 MB in the end (delta: -71.6 MB). Peak memory consumption was 27.4 MB. Max. memory is 7.1 GB. [2019-10-15 03:22:24,016 INFO L168 Benchmark]: Boogie Preprocessor took 135.04 ms. Allocated memory is still 202.9 MB. Free memory was 173.4 MB in the beginning and 169.3 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-10-15 03:22:24,018 INFO L168 Benchmark]: RCFGBuilder took 1586.36 ms. Allocated memory was 202.9 MB in the beginning and 235.9 MB in the end (delta: 33.0 MB). Free memory was 169.3 MB in the beginning and 156.3 MB in the end (delta: 13.1 MB). Peak memory consumption was 85.9 MB. Max. memory is 7.1 GB. [2019-10-15 03:22:24,019 INFO L168 Benchmark]: TraceAbstraction took 2408.59 ms. Allocated memory was 235.9 MB in the beginning and 248.5 MB in the end (delta: 12.6 MB). Free memory was 156.3 MB in the beginning and 96.1 MB in the end (delta: 60.2 MB). Peak memory consumption was 72.8 MB. Max. memory is 7.1 GB. [2019-10-15 03:22:24,023 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 140.0 MB. Free memory is still 121.3 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 640.88 ms. Allocated memory was 140.0 MB in the beginning and 202.9 MB in the end (delta: 62.9 MB). Free memory was 101.8 MB in the beginning and 173.4 MB in the end (delta: -71.6 MB). Peak memory consumption was 27.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 135.04 ms. Allocated memory is still 202.9 MB. Free memory was 173.4 MB in the beginning and 169.3 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1586.36 ms. Allocated memory was 202.9 MB in the beginning and 235.9 MB in the end (delta: 33.0 MB). Free memory was 169.3 MB in the beginning and 156.3 MB in the end (delta: 13.1 MB). Peak memory consumption was 85.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2408.59 ms. Allocated memory was 235.9 MB in the beginning and 248.5 MB in the end (delta: 12.6 MB). Free memory was 156.3 MB in the beginning and 96.1 MB in the end (delta: 60.2 MB). Peak memory consumption was 72.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 690]: 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: 793]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 629]: Loop Invariant Derived loop invariant: (!(0 == pumpRunning) || !(\old(systemActive) == 1)) || (1 == systemActive && 0 == splverifierCounter) - InvariantResult [Line: 783]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 628]: Loop Invariant Derived loop invariant: !(0 == pumpRunning) || !(\old(systemActive) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 162 locations, 1 error locations. Result: SAFE, OverallTime: 2.3s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, HoareTripleCheckerStatistics: 332 SDtfs, 119 SDslu, 394 SDs, 0 SdLazy, 140 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 27 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=115occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 130 PreInvPairs, 138 NumberOfFragments, 268 HoareAnnotationTreeSize, 130 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 45 FomulaSimplificationsInter, 308 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.5s 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...