java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product12.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 23:14:57,857 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 23:14:57,860 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 23:14:57,874 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 23:14:57,875 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 23:14:57,876 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 23:14:57,877 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 23:14:57,879 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 23:14:57,881 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 23:14:57,882 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 23:14:57,883 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 23:14:57,884 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 23:14:57,884 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 23:14:57,885 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 23:14:57,886 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 23:14:57,888 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 23:14:57,889 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 23:14:57,890 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 23:14:57,891 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 23:14:57,893 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 23:14:57,895 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 23:14:57,896 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 23:14:57,897 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 23:14:57,898 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 23:14:57,900 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 23:14:57,900 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 23:14:57,900 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 23:14:57,901 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 23:14:57,902 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 23:14:57,903 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 23:14:57,903 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 23:14:57,904 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 23:14:57,904 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 23:14:57,905 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 23:14:57,906 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 23:14:57,906 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 23:14:57,907 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 23:14:57,907 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 23:14:57,908 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 23:14:57,909 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 23:14:57,909 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 23:14:57,910 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 23:14:57,924 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 23:14:57,924 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 23:14:57,926 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 23:14:57,926 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 23:14:57,926 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 23:14:57,926 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 23:14:57,927 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 23:14:57,927 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 23:14:57,927 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 23:14:57,927 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 23:14:57,927 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 23:14:57,928 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 23:14:57,928 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 23:14:57,928 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 23:14:57,928 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 23:14:57,928 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 23:14:57,929 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 23:14:57,929 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 23:14:57,929 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 23:14:57,929 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 23:14:57,929 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 23:14:57,930 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:14:57,930 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 23:14:57,930 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 23:14:57,930 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 23:14:57,930 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 23:14:57,931 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 23:14:57,931 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 23:14:57,931 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 [2019-10-13 23:14:58,222 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 23:14:58,240 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 23:14:58,246 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 23:14:58,247 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 23:14:58,248 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 23:14:58,249 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product12.cil.c [2019-10-13 23:14:58,324 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4baee15f/c275a65a634c45dfa8c9388d15f372ff/FLAG9979df890 [2019-10-13 23:14:58,861 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 23:14:58,862 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product12.cil.c [2019-10-13 23:14:58,877 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4baee15f/c275a65a634c45dfa8c9388d15f372ff/FLAG9979df890 [2019-10-13 23:14:59,175 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4baee15f/c275a65a634c45dfa8c9388d15f372ff [2019-10-13 23:14:59,185 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 23:14:59,187 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 23:14:59,188 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 23:14:59,188 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 23:14:59,191 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 23:14:59,191 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:14:59" (1/1) ... [2019-10-13 23:14:59,194 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bbc4866 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:59, skipping insertion in model container [2019-10-13 23:14:59,194 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:14:59" (1/1) ... [2019-10-13 23:14:59,200 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 23:14:59,255 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 23:14:59,749 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:14:59,763 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 23:14:59,857 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:14:59,892 INFO L192 MainTranslator]: Completed translation [2019-10-13 23:14:59,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:59 WrapperNode [2019-10-13 23:14:59,893 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 23:14:59,893 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 23:14:59,894 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 23:14:59,894 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 23:14:59,909 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:59" (1/1) ... [2019-10-13 23:14:59,909 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:59" (1/1) ... [2019-10-13 23:14:59,931 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:59" (1/1) ... [2019-10-13 23:14:59,932 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:59" (1/1) ... [2019-10-13 23:14:59,969 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:59" (1/1) ... [2019-10-13 23:14:59,981 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:59" (1/1) ... [2019-10-13 23:14:59,991 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:59" (1/1) ... [2019-10-13 23:15:00,001 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 23:15:00,005 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 23:15:00,005 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 23:15:00,005 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 23:15:00,006 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:59" (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 23:15:00,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 23:15:00,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 23:15:00,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 23:15:00,060 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 23:15:00,060 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 23:15:00,060 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 23:15:00,060 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 23:15:00,060 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 23:15:00,061 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 23:15:00,061 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 23:15:00,061 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2019-10-13 23:15:00,061 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 23:15:00,061 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 23:15:00,061 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 23:15:00,062 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 23:15:00,062 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 23:15:00,062 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-13 23:15:00,062 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-13 23:15:00,062 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-10-13 23:15:00,063 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-10-13 23:15:00,063 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 23:15:00,063 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 23:15:00,063 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 23:15:00,063 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 23:15:00,063 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 23:15:00,064 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 23:15:00,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 23:15:00,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 23:15:00,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 23:15:00,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 23:15:00,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 23:15:00,065 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 23:15:00,065 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 23:15:00,065 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 23:15:00,065 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 23:15:00,065 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 23:15:00,065 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 23:15:00,066 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 23:15:00,066 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 23:15:00,066 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 23:15:00,066 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 23:15:00,066 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 23:15:00,066 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 23:15:00,067 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 23:15:00,067 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 23:15:00,067 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 23:15:00,067 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 23:15:00,067 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-13 23:15:00,067 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-13 23:15:00,068 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 23:15:00,068 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 23:15:00,068 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 23:15:00,068 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 23:15:00,068 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 23:15:00,068 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 23:15:00,069 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 23:15:00,069 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 23:15:00,069 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 23:15:00,069 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 23:15:00,069 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-10-13 23:15:00,069 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 23:15:00,070 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2019-10-13 23:15:00,070 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 23:15:00,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 23:15:00,070 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 23:15:00,070 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-10-13 23:15:00,070 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 23:15:00,071 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 23:15:00,071 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 23:15:00,071 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 23:15:00,071 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 23:15:00,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 23:15:00,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 23:15:00,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 23:15:00,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 23:15:00,072 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 23:15:00,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 23:15:00,072 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 23:15:00,072 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 23:15:00,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 23:15:00,073 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 23:15:00,073 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 23:15:00,073 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 23:15:00,073 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 23:15:00,073 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 23:15:00,074 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 23:15:00,074 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 23:15:00,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 23:15:00,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 23:15:00,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 23:15:01,713 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 23:15:01,714 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 23:15:01,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:15:01 BoogieIcfgContainer [2019-10-13 23:15:01,716 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 23:15:01,717 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 23:15:01,717 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 23:15:01,721 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 23:15:01,721 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:14:59" (1/3) ... [2019-10-13 23:15:01,722 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46ae465f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:15:01, skipping insertion in model container [2019-10-13 23:15:01,722 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:59" (2/3) ... [2019-10-13 23:15:01,723 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46ae465f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:15:01, skipping insertion in model container [2019-10-13 23:15:01,723 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:15:01" (3/3) ... [2019-10-13 23:15:01,726 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product12.cil.c [2019-10-13 23:15:01,736 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 23:15:01,746 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 23:15:01,757 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 23:15:01,793 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 23:15:01,793 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 23:15:01,793 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 23:15:01,794 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 23:15:01,794 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 23:15:01,794 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 23:15:01,794 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 23:15:01,794 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 23:15:01,813 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states. [2019-10-13 23:15:01,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-13 23:15:01,820 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:15:01,821 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:15:01,824 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:15:01,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:15:01,830 INFO L82 PathProgramCache]: Analyzing trace with hash 1876402438, now seen corresponding path program 1 times [2019-10-13 23:15:01,840 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:15:01,840 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156952] [2019-10-13 23:15:01,841 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:15:01,841 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:15:01,841 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:15:02,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:15:02,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:15:02,171 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156952] [2019-10-13 23:15:02,172 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:15:02,173 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 23:15:02,173 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448908531] [2019-10-13 23:15:02,179 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 23:15:02,180 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:15:02,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 23:15:02,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 23:15:02,203 INFO L87 Difference]: Start difference. First operand 128 states. Second operand 2 states. [2019-10-13 23:15:02,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:15:02,247 INFO L93 Difference]: Finished difference Result 168 states and 205 transitions. [2019-10-13 23:15:02,247 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 23:15:02,248 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-10-13 23:15:02,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:15:02,260 INFO L225 Difference]: With dead ends: 168 [2019-10-13 23:15:02,260 INFO L226 Difference]: Without dead ends: 86 [2019-10-13 23:15:02,264 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 23:15:02,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2019-10-13 23:15:02,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2019-10-13 23:15:02,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2019-10-13 23:15:02,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 98 transitions. [2019-10-13 23:15:02,316 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 98 transitions. Word has length 46 [2019-10-13 23:15:02,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:15:02,317 INFO L462 AbstractCegarLoop]: Abstraction has 86 states and 98 transitions. [2019-10-13 23:15:02,317 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 23:15:02,317 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 98 transitions. [2019-10-13 23:15:02,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-13 23:15:02,321 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:15:02,321 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:15:02,321 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:15:02,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:15:02,322 INFO L82 PathProgramCache]: Analyzing trace with hash 185355703, now seen corresponding path program 1 times [2019-10-13 23:15:02,322 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:15:02,322 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726378118] [2019-10-13 23:15:02,323 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:15:02,323 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:15:02,323 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:15:02,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:15:02,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:15:02,455 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726378118] [2019-10-13 23:15:02,456 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:15:02,456 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:15:02,457 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142739401] [2019-10-13 23:15:02,460 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:15:02,460 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:15:02,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:15:02,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:15:02,462 INFO L87 Difference]: Start difference. First operand 86 states and 98 transitions. Second operand 3 states. [2019-10-13 23:15:02,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:15:02,492 INFO L93 Difference]: Finished difference Result 114 states and 129 transitions. [2019-10-13 23:15:02,492 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:15:02,493 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-10-13 23:15:02,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:15:02,495 INFO L225 Difference]: With dead ends: 114 [2019-10-13 23:15:02,495 INFO L226 Difference]: Without dead ends: 78 [2019-10-13 23:15:02,496 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:15:02,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2019-10-13 23:15:02,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2019-10-13 23:15:02,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2019-10-13 23:15:02,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 87 transitions. [2019-10-13 23:15:02,510 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 87 transitions. Word has length 47 [2019-10-13 23:15:02,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:15:02,511 INFO L462 AbstractCegarLoop]: Abstraction has 78 states and 87 transitions. [2019-10-13 23:15:02,511 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:15:02,511 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 87 transitions. [2019-10-13 23:15:02,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-13 23:15:02,513 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:15:02,513 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:15:02,514 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:15:02,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:15:02,514 INFO L82 PathProgramCache]: Analyzing trace with hash -916376892, now seen corresponding path program 1 times [2019-10-13 23:15:02,515 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:15:02,515 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25340714] [2019-10-13 23:15:02,515 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:15:02,515 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:15:02,516 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:15:02,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:15:02,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:15:02,752 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25340714] [2019-10-13 23:15:02,752 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:15:02,752 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 23:15:02,752 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415957896] [2019-10-13 23:15:02,753 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 23:15:02,753 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:15:02,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 23:15:02,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 23:15:02,754 INFO L87 Difference]: Start difference. First operand 78 states and 87 transitions. Second operand 7 states. [2019-10-13 23:15:03,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:15:03,190 INFO L93 Difference]: Finished difference Result 230 states and 273 transitions. [2019-10-13 23:15:03,191 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 23:15:03,191 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2019-10-13 23:15:03,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:15:03,194 INFO L225 Difference]: With dead ends: 230 [2019-10-13 23:15:03,194 INFO L226 Difference]: Without dead ends: 177 [2019-10-13 23:15:03,195 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-13 23:15:03,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2019-10-13 23:15:03,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 155. [2019-10-13 23:15:03,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2019-10-13 23:15:03,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 181 transitions. [2019-10-13 23:15:03,237 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 181 transitions. Word has length 51 [2019-10-13 23:15:03,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:15:03,237 INFO L462 AbstractCegarLoop]: Abstraction has 155 states and 181 transitions. [2019-10-13 23:15:03,237 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 23:15:03,237 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 181 transitions. [2019-10-13 23:15:03,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-10-13 23:15:03,243 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:15:03,244 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:15:03,244 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:15:03,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:15:03,245 INFO L82 PathProgramCache]: Analyzing trace with hash 1753368516, now seen corresponding path program 1 times [2019-10-13 23:15:03,246 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:15:03,246 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954643948] [2019-10-13 23:15:03,246 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:15:03,246 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:15:03,246 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:15:03,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:15:03,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:15:03,451 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954643948] [2019-10-13 23:15:03,451 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:15:03,451 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 23:15:03,451 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995645359] [2019-10-13 23:15:03,452 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 23:15:03,453 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:15:03,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 23:15:03,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 23:15:03,454 INFO L87 Difference]: Start difference. First operand 155 states and 181 transitions. Second operand 6 states. [2019-10-13 23:15:03,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:15:03,651 INFO L93 Difference]: Finished difference Result 397 states and 480 transitions. [2019-10-13 23:15:03,651 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 23:15:03,652 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 54 [2019-10-13 23:15:03,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:15:03,661 INFO L225 Difference]: With dead ends: 397 [2019-10-13 23:15:03,662 INFO L226 Difference]: Without dead ends: 267 [2019-10-13 23:15:03,667 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-13 23:15:03,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2019-10-13 23:15:03,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 255. [2019-10-13 23:15:03,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 255 states. [2019-10-13 23:15:03,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 299 transitions. [2019-10-13 23:15:03,716 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 299 transitions. Word has length 54 [2019-10-13 23:15:03,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:15:03,717 INFO L462 AbstractCegarLoop]: Abstraction has 255 states and 299 transitions. [2019-10-13 23:15:03,717 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 23:15:03,717 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 299 transitions. [2019-10-13 23:15:03,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-13 23:15:03,722 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:15:03,723 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:15:03,723 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:15:03,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:15:03,729 INFO L82 PathProgramCache]: Analyzing trace with hash 4524492, now seen corresponding path program 1 times [2019-10-13 23:15:03,729 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:15:03,729 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201275694] [2019-10-13 23:15:03,730 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:15:03,730 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:15:03,730 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:15:03,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:15:03,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:15:03,872 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201275694] [2019-10-13 23:15:03,873 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:15:03,873 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 23:15:03,873 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975117480] [2019-10-13 23:15:03,874 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 23:15:03,875 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:15:03,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 23:15:03,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 23:15:03,876 INFO L87 Difference]: Start difference. First operand 255 states and 299 transitions. Second operand 6 states. [2019-10-13 23:15:04,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:15:04,077 INFO L93 Difference]: Finished difference Result 461 states and 560 transitions. [2019-10-13 23:15:04,077 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 23:15:04,077 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2019-10-13 23:15:04,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:15:04,078 INFO L225 Difference]: With dead ends: 461 [2019-10-13 23:15:04,078 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 23:15:04,084 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-13 23:15:04,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 23:15:04,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 23:15:04,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 23:15:04,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 23:15:04,086 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 57 [2019-10-13 23:15:04,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:15:04,086 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 23:15:04,086 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 23:15:04,087 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 23:15:04,087 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 23:15:04,092 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 23:15:04,738 INFO L443 ceAbstractionStarter]: For program point L538(lines 515 539) no Hoare annotation was computed. [2019-10-13 23:15:04,738 INFO L443 ceAbstractionStarter]: For program point L522(lines 522 526) no Hoare annotation was computed. [2019-10-13 23:15:04,738 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 491 546) no Hoare annotation was computed. [2019-10-13 23:15:04,738 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 491 546) no Hoare annotation was computed. [2019-10-13 23:15:04,739 INFO L443 ceAbstractionStarter]: For program point L516-2(lines 516 537) no Hoare annotation was computed. [2019-10-13 23:15:04,739 INFO L443 ceAbstractionStarter]: For program point L573-2(lines 573 598) no Hoare annotation was computed. [2019-10-13 23:15:04,739 INFO L443 ceAbstractionStarter]: For program point L599(lines 572 600) no Hoare annotation was computed. [2019-10-13 23:15:04,739 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 547 606) no Hoare annotation was computed. [2019-10-13 23:15:04,739 INFO L443 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2019-10-13 23:15:04,739 INFO L443 ceAbstractionStarter]: For program point L592-1(line 592) no Hoare annotation was computed. [2019-10-13 23:15:04,739 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 547 606) no Hoare annotation was computed. [2019-10-13 23:15:04,739 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 547 606) no Hoare annotation was computed. [2019-10-13 23:15:04,740 INFO L443 ceAbstractionStarter]: For program point L579(lines 579 583) no Hoare annotation was computed. [2019-10-13 23:15:04,740 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2019-10-13 23:15:04,740 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2019-10-13 23:15:04,740 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2019-10-13 23:15:04,740 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2019-10-13 23:15:04,741 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 878 900) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:15:04,741 INFO L439 ceAbstractionStarter]: At program point L890(line 890) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= main_~tmp~6 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:15:04,741 INFO L439 ceAbstractionStarter]: At program point L890-1(line 890) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= main_~tmp~6 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:15:04,741 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 878 900) no Hoare annotation was computed. [2019-10-13 23:15:04,741 INFO L443 ceAbstractionStarter]: For program point L888(lines 888 895) no Hoare annotation was computed. [2019-10-13 23:15:04,742 INFO L443 ceAbstractionStarter]: For program point L888-1(lines 888 895) no Hoare annotation was computed. [2019-10-13 23:15:04,742 INFO L443 ceAbstractionStarter]: For program point L886(line 886) no Hoare annotation was computed. [2019-10-13 23:15:04,742 INFO L439 ceAbstractionStarter]: At program point L885(line 885) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:15:04,742 INFO L439 ceAbstractionStarter]: At program point L884(line 884) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:15:04,742 INFO L439 ceAbstractionStarter]: At program point L884-1(line 884) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:15:04,743 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 836 859) no Hoare annotation was computed. [2019-10-13 23:15:04,743 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 836 859) no Hoare annotation was computed. [2019-10-13 23:15:04,743 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 836 859) no Hoare annotation was computed. [2019-10-13 23:15:04,743 INFO L443 ceAbstractionStarter]: For program point L854(line 854) no Hoare annotation was computed. [2019-10-13 23:15:04,743 INFO L443 ceAbstractionStarter]: For program point L853(line 853) no Hoare annotation was computed. [2019-10-13 23:15:04,743 INFO L443 ceAbstractionStarter]: For program point L852(line 852) no Hoare annotation was computed. [2019-10-13 23:15:04,743 INFO L443 ceAbstractionStarter]: For program point L851(line 851) no Hoare annotation was computed. [2019-10-13 23:15:04,744 INFO L443 ceAbstractionStarter]: For program point L850(line 850) no Hoare annotation was computed. [2019-10-13 23:15:04,744 INFO L443 ceAbstractionStarter]: For program point L849(line 849) no Hoare annotation was computed. [2019-10-13 23:15:04,744 INFO L443 ceAbstractionStarter]: For program point L848(line 848) no Hoare annotation was computed. [2019-10-13 23:15:04,744 INFO L443 ceAbstractionStarter]: For program point L847(line 847) no Hoare annotation was computed. [2019-10-13 23:15:04,744 INFO L443 ceAbstractionStarter]: For program point L846(line 846) no Hoare annotation was computed. [2019-10-13 23:15:04,744 INFO L443 ceAbstractionStarter]: For program point L845(line 845) no Hoare annotation was computed. [2019-10-13 23:15:04,744 INFO L443 ceAbstractionStarter]: For program point L844(line 844) no Hoare annotation was computed. [2019-10-13 23:15:04,744 INFO L443 ceAbstractionStarter]: For program point L843(line 843) no Hoare annotation was computed. [2019-10-13 23:15:04,745 INFO L443 ceAbstractionStarter]: For program point L842(line 842) no Hoare annotation was computed. [2019-10-13 23:15:04,745 INFO L443 ceAbstractionStarter]: For program point L841(line 841) no Hoare annotation was computed. [2019-10-13 23:15:04,745 INFO L443 ceAbstractionStarter]: For program point L289(lines 289 295) no Hoare annotation was computed. [2019-10-13 23:15:04,745 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 285 299) no Hoare annotation was computed. [2019-10-13 23:15:04,745 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 285 299) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0)) [2019-10-13 23:15:04,745 INFO L439 ceAbstractionStarter]: At program point L291(line 291) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2019-10-13 23:15:04,745 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__baseEXIT(lines 195 202) no Hoare annotation was computed. [2019-10-13 23:15:04,746 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__baseENTRY(lines 195 202) no Hoare annotation was computed. [2019-10-13 23:15:04,746 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 240 248) no Hoare annotation was computed. [2019-10-13 23:15:04,746 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 240 248) the Hoare annotation is: true [2019-10-13 23:15:04,746 INFO L443 ceAbstractionStarter]: For program point L279(line 279) no Hoare annotation was computed. [2019-10-13 23:15:04,746 INFO L443 ceAbstractionStarter]: For program point L279-1(line 279) no Hoare annotation was computed. [2019-10-13 23:15:04,746 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 249 284) no Hoare annotation was computed. [2019-10-13 23:15:04,746 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 249 284) no Hoare annotation was computed. [2019-10-13 23:15:04,747 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2019-10-13 23:15:04,747 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2019-10-13 23:15:04,747 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 445 490) no Hoare annotation was computed. [2019-10-13 23:15:04,747 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 445 490) no Hoare annotation was computed. [2019-10-13 23:15:04,747 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 758 803) no Hoare annotation was computed. [2019-10-13 23:15:04,747 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 758 803) no Hoare annotation was computed. [2019-10-13 23:15:04,748 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 867 877) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:15:04,748 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 867 877) no Hoare annotation was computed. [2019-10-13 23:15:04,748 INFO L439 ceAbstractionStarter]: At program point L872(line 872) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:15:04,748 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 867 877) no Hoare annotation was computed. [2019-10-13 23:15:04,748 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 229 239) no Hoare annotation was computed. [2019-10-13 23:15:04,748 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 229 239) no Hoare annotation was computed. [2019-10-13 23:15:04,748 INFO L443 ceAbstractionStarter]: For program point L234(line 234) no Hoare annotation was computed. [2019-10-13 23:15:04,749 INFO L443 ceAbstractionStarter]: For program point L234-1(line 234) no Hoare annotation was computed. [2019-10-13 23:15:04,749 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 221 228) the Hoare annotation is: true [2019-10-13 23:15:04,749 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 221 228) no Hoare annotation was computed. [2019-10-13 23:15:04,749 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 188 194) no Hoare annotation was computed. [2019-10-13 23:15:04,749 INFO L446 ceAbstractionStarter]: At program point processEnvironmentFINAL(lines 188 194) the Hoare annotation is: true [2019-10-13 23:15:04,749 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 84 151) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:15:04,749 INFO L443 ceAbstractionStarter]: For program point L95(lines 94 143) no Hoare annotation was computed. [2019-10-13 23:15:04,750 INFO L439 ceAbstractionStarter]: At program point L126(line 126) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:15:04,750 INFO L443 ceAbstractionStarter]: For program point L124(lines 124 139) no Hoare annotation was computed. [2019-10-13 23:15:04,750 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 84 151) no Hoare annotation was computed. [2019-10-13 23:15:04,750 INFO L439 ceAbstractionStarter]: At program point L116(line 116) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:15:04,750 INFO L443 ceAbstractionStarter]: For program point L114(lines 114 120) no Hoare annotation was computed. [2019-10-13 23:15:04,750 INFO L443 ceAbstractionStarter]: For program point L114-1(lines 114 120) no Hoare annotation was computed. [2019-10-13 23:15:04,750 INFO L439 ceAbstractionStarter]: At program point L141(lines 94 143) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:15:04,751 INFO L439 ceAbstractionStarter]: At program point L106(line 106) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:15:04,751 INFO L443 ceAbstractionStarter]: For program point L104(lines 104 110) no Hoare annotation was computed. [2019-10-13 23:15:04,751 INFO L443 ceAbstractionStarter]: For program point L104-1(lines 104 110) no Hoare annotation was computed. [2019-10-13 23:15:04,751 INFO L439 ceAbstractionStarter]: At program point L144(lines 93 145) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:15:04,751 INFO L439 ceAbstractionStarter]: At program point L134(line 134) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:15:04,752 INFO L443 ceAbstractionStarter]: For program point L132(lines 132 138) no Hoare annotation was computed. [2019-10-13 23:15:04,752 INFO L439 ceAbstractionStarter]: At program point L132-1(lines 124 139) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:15:04,752 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 84 151) no Hoare annotation was computed. [2019-10-13 23:15:04,752 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 712 757) no Hoare annotation was computed. [2019-10-13 23:15:04,752 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 712 757) no Hoare annotation was computed. [2019-10-13 23:15:04,752 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 319 347) the Hoare annotation is: true [2019-10-13 23:15:04,753 INFO L439 ceAbstractionStarter]: At program point L334(line 334) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2019-10-13 23:15:04,753 INFO L443 ceAbstractionStarter]: For program point L332(lines 332 338) no Hoare annotation was computed. [2019-10-13 23:15:04,753 INFO L443 ceAbstractionStarter]: For program point L331(lines 331 341) no Hoare annotation was computed. [2019-10-13 23:15:04,753 INFO L439 ceAbstractionStarter]: At program point L329(line 329) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~methaneLevelCritical~0 0))) [2019-10-13 23:15:04,753 INFO L443 ceAbstractionStarter]: For program point L329-1(line 329) no Hoare annotation was computed. [2019-10-13 23:15:04,753 INFO L443 ceAbstractionStarter]: For program point L327(lines 327 344) no Hoare annotation was computed. [2019-10-13 23:15:04,753 INFO L443 ceAbstractionStarter]: For program point L327-1(lines 319 347) no Hoare annotation was computed. [2019-10-13 23:15:04,754 INFO L446 ceAbstractionStarter]: At program point L325(line 325) the Hoare annotation is: true [2019-10-13 23:15:04,754 INFO L443 ceAbstractionStarter]: For program point L325-1(line 325) no Hoare annotation was computed. [2019-10-13 23:15:04,754 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 319 347) no Hoare annotation was computed. [2019-10-13 23:15:04,754 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 397 419) no Hoare annotation was computed. [2019-10-13 23:15:04,754 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 397 419) no Hoare annotation was computed. [2019-10-13 23:15:04,754 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 311 318) the Hoare annotation is: true [2019-10-13 23:15:04,754 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 311 318) no Hoare annotation was computed. [2019-10-13 23:15:04,755 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2019-10-13 23:15:04,755 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2019-10-13 23:15:04,755 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 609 711) no Hoare annotation was computed. [2019-10-13 23:15:04,755 INFO L443 ceAbstractionStarter]: For program point L638(lines 638 654) no Hoare annotation was computed. [2019-10-13 23:15:04,755 INFO L443 ceAbstractionStarter]: For program point L659(lines 658 678) no Hoare annotation was computed. [2019-10-13 23:15:04,755 INFO L443 ceAbstractionStarter]: For program point L690(line 690) no Hoare annotation was computed. [2019-10-13 23:15:04,755 INFO L443 ceAbstractionStarter]: For program point L690-1(line 690) no Hoare annotation was computed. [2019-10-13 23:15:04,755 INFO L443 ceAbstractionStarter]: For program point L655(lines 655 696) no Hoare annotation was computed. [2019-10-13 23:15:04,756 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 609 711) no Hoare annotation was computed. [2019-10-13 23:15:04,756 INFO L443 ceAbstractionStarter]: For program point L674(line 674) no Hoare annotation was computed. [2019-10-13 23:15:04,756 INFO L443 ceAbstractionStarter]: For program point L674-1(line 674) no Hoare annotation was computed. [2019-10-13 23:15:04,756 INFO L443 ceAbstractionStarter]: For program point L633(lines 633 637) no Hoare annotation was computed. [2019-10-13 23:15:04,756 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 609 711) no Hoare annotation was computed. [2019-10-13 23:15:04,756 INFO L443 ceAbstractionStarter]: For program point L658-2(lines 658 678) no Hoare annotation was computed. [2019-10-13 23:15:04,756 INFO L443 ceAbstractionStarter]: For program point L679(lines 657 680) no Hoare annotation was computed. [2019-10-13 23:15:04,756 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-10-13 23:15:04,757 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:15:04,757 INFO L443 ceAbstractionStarter]: For program point L209(line 209) no Hoare annotation was computed. [2019-10-13 23:15:04,757 INFO L443 ceAbstractionStarter]: For program point L209-1(line 209) no Hoare annotation was computed. [2019-10-13 23:15:04,757 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 204 220) no Hoare annotation was computed. [2019-10-13 23:15:04,757 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 204 220) no Hoare annotation was computed. [2019-10-13 23:15:04,757 INFO L443 ceAbstractionStarter]: For program point L215(line 215) no Hoare annotation was computed. [2019-10-13 23:15:04,757 INFO L443 ceAbstractionStarter]: For program point L215-1(lines 204 220) no Hoare annotation was computed. [2019-10-13 23:15:04,757 INFO L443 ceAbstractionStarter]: For program point L211(lines 211 217) no Hoare annotation was computed. [2019-10-13 23:15:04,758 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 420 428) no Hoare annotation was computed. [2019-10-13 23:15:04,758 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 420 428) no Hoare annotation was computed. [2019-10-13 23:15:04,758 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 376 387) the Hoare annotation is: true [2019-10-13 23:15:04,758 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 376 387) no Hoare annotation was computed. [2019-10-13 23:15:04,758 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:15:04,758 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 23:15:04,758 INFO L439 ceAbstractionStarter]: At program point L177(line 177) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= 0 ~systemActive~0))) [2019-10-13 23:15:04,758 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 164 187) the Hoare annotation is: true [2019-10-13 23:15:04,759 INFO L446 ceAbstractionStarter]: At program point L175(lines 175 181) the Hoare annotation is: true [2019-10-13 23:15:04,759 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 164 187) no Hoare annotation was computed. [2019-10-13 23:15:04,759 INFO L439 ceAbstractionStarter]: At program point L170(line 170) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2019-10-13 23:15:04,759 INFO L443 ceAbstractionStarter]: For program point L168(lines 167 186) no Hoare annotation was computed. [2019-10-13 23:15:04,759 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 164 187) no Hoare annotation was computed. [2019-10-13 23:15:04,759 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 806 835) no Hoare annotation was computed. [2019-10-13 23:15:04,759 INFO L446 ceAbstractionStarter]: At program point L831(lines 806 835) the Hoare annotation is: true [2019-10-13 23:15:04,760 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 806 835) the Hoare annotation is: true [2019-10-13 23:15:04,760 INFO L443 ceAbstractionStarter]: For program point L827(line 827) no Hoare annotation was computed. [2019-10-13 23:15:04,760 INFO L443 ceAbstractionStarter]: For program point L820(lines 820 824) no Hoare annotation was computed. [2019-10-13 23:15:04,760 INFO L446 ceAbstractionStarter]: At program point L820-1(lines 820 824) the Hoare annotation is: true [2019-10-13 23:15:04,760 INFO L446 ceAbstractionStarter]: At program point L816-2(lines 816 830) the Hoare annotation is: true [2019-10-13 23:15:04,760 INFO L446 ceAbstractionStarter]: At program point L812(line 812) the Hoare annotation is: true [2019-10-13 23:15:04,760 INFO L443 ceAbstractionStarter]: For program point L812-1(line 812) no Hoare annotation was computed. [2019-10-13 23:15:04,760 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 388 396) the Hoare annotation is: true [2019-10-13 23:15:04,760 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 388 396) no Hoare annotation was computed. [2019-10-13 23:15:04,761 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 352 363) the Hoare annotation is: true [2019-10-13 23:15:04,761 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 352 363) no Hoare annotation was computed. [2019-10-13 23:15:04,761 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 860 866) no Hoare annotation was computed. [2019-10-13 23:15:04,761 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 860 866) the Hoare annotation is: true [2019-10-13 23:15:04,761 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:15:04,761 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-13 23:15:04,761 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 23:15:04,762 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 23:15:04,762 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 300 307) no Hoare annotation was computed. [2019-10-13 23:15:04,762 INFO L446 ceAbstractionStarter]: At program point startSystemENTRY(lines 300 307) the Hoare annotation is: true [2019-10-13 23:15:04,762 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 364 375) no Hoare annotation was computed. [2019-10-13 23:15:04,762 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 364 375) the Hoare annotation is: true [2019-10-13 23:15:04,762 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 434) no Hoare annotation was computed. [2019-10-13 23:15:04,762 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 430 437) the Hoare annotation is: true [2019-10-13 23:15:04,763 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 430 437) no Hoare annotation was computed. [2019-10-13 23:15:04,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 11:15:04 BoogieIcfgContainer [2019-10-13 23:15:04,777 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 23:15:04,780 INFO L168 Benchmark]: Toolchain (without parser) took 5592.68 ms. Allocated memory was 146.8 MB in the beginning and 243.3 MB in the end (delta: 96.5 MB). Free memory was 102.2 MB in the beginning and 104.9 MB in the end (delta: -2.7 MB). Peak memory consumption was 93.8 MB. Max. memory is 7.1 GB. [2019-10-13 23:15:04,781 INFO L168 Benchmark]: CDTParser took 1.25 ms. Allocated memory is still 146.8 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-13 23:15:04,782 INFO L168 Benchmark]: CACSL2BoogieTranslator took 705.52 ms. Allocated memory was 146.8 MB in the beginning and 203.9 MB in the end (delta: 57.1 MB). Free memory was 102.0 MB in the beginning and 174.0 MB in the end (delta: -72.0 MB). Peak memory consumption was 24.5 MB. Max. memory is 7.1 GB. [2019-10-13 23:15:04,783 INFO L168 Benchmark]: Boogie Preprocessor took 108.38 ms. Allocated memory is still 203.9 MB. Free memory was 174.0 MB in the beginning and 169.5 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2019-10-13 23:15:04,784 INFO L168 Benchmark]: RCFGBuilder took 1711.85 ms. Allocated memory was 203.9 MB in the beginning and 232.8 MB in the end (delta: 28.8 MB). Free memory was 169.5 MB in the beginning and 152.3 MB in the end (delta: 17.2 MB). Peak memory consumption was 81.4 MB. Max. memory is 7.1 GB. [2019-10-13 23:15:04,785 INFO L168 Benchmark]: TraceAbstraction took 3060.25 ms. Allocated memory was 232.8 MB in the beginning and 243.3 MB in the end (delta: 10.5 MB). Free memory was 152.3 MB in the beginning and 104.9 MB in the end (delta: 47.5 MB). Peak memory consumption was 58.0 MB. Max. memory is 7.1 GB. [2019-10-13 23:15:04,789 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.25 ms. Allocated memory is still 146.8 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 705.52 ms. Allocated memory was 146.8 MB in the beginning and 203.9 MB in the end (delta: 57.1 MB). Free memory was 102.0 MB in the beginning and 174.0 MB in the end (delta: -72.0 MB). Peak memory consumption was 24.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 108.38 ms. Allocated memory is still 203.9 MB. Free memory was 174.0 MB in the beginning and 169.5 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1711.85 ms. Allocated memory was 203.9 MB in the beginning and 232.8 MB in the end (delta: 28.8 MB). Free memory was 169.5 MB in the beginning and 152.3 MB in the end (delta: 17.2 MB). Peak memory consumption was 81.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3060.25 ms. Allocated memory was 232.8 MB in the beginning and 243.3 MB in the end (delta: 10.5 MB). Free memory was 152.3 MB in the beginning and 104.9 MB in the end (delta: 47.5 MB). Peak memory consumption was 58.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 434]: 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: 93]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (0 == splverifierCounter && pumpRunning == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 816]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 806]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 171 locations, 1 error locations. Result: SAFE, OverallTime: 2.9s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, HoareTripleCheckerStatistics: 464 SDtfs, 252 SDslu, 850 SDs, 0 SdLazy, 249 SolverSat, 49 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=255occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 34 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 48 LocationsWithAnnotation, 304 PreInvPairs, 344 NumberOfFragments, 419 HoareAnnotationTreeSize, 304 FomulaSimplifications, 356 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 48 FomulaSimplificationsInter, 1223 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 255 NumberOfCodeBlocks, 255 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 250 ConstructedInterpolants, 0 QuantifiedInterpolants, 23276 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...