/usr/bin/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_product25.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 04:34:56,828 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 04:34:56,831 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 04:34:56,849 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 04:34:56,849 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 04:34:56,851 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 04:34:56,853 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 04:34:56,865 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 04:34:56,867 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 04:34:56,868 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 04:34:56,869 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 04:34:56,870 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 04:34:56,871 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 04:34:56,871 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 04:34:56,872 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 04:34:56,874 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 04:34:56,874 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 04:34:56,875 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 04:34:56,877 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 04:34:56,880 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 04:34:56,882 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 04:34:56,884 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 04:34:56,886 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 04:34:56,887 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 04:34:56,891 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 04:34:56,891 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 04:34:56,892 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 04:34:56,894 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 04:34:56,894 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 04:34:56,897 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 04:34:56,897 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 04:34:56,898 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 04:34:56,899 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 04:34:56,900 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 04:34:56,904 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 04:34:56,904 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 04:34:56,905 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 04:34:56,905 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 04:34:56,905 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 04:34:56,910 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 04:34:56,911 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 04:34:56,913 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 [2019-11-07 04:34:56,935 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 04:34:56,935 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 04:34:56,939 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 04:34:56,939 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 04:34:56,940 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 04:34:56,940 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 04:34:56,940 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 04:34:56,940 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 04:34:56,941 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 04:34:56,941 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 04:34:56,942 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 04:34:56,942 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 04:34:56,942 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 04:34:56,943 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 04:34:56,943 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 04:34:56,943 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 04:34:56,944 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 04:34:56,944 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 04:34:56,944 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 04:34:56,944 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 04:34:56,944 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 04:34:56,945 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 04:34:56,945 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 04:34:56,945 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 04:34:56,945 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 04:34:56,946 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 04:34:56,946 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 04:34:56,946 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 04:34:56,946 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 [2019-11-07 04:34:57,258 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 04:34:57,278 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 04:34:57,282 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 04:34:57,284 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 04:34:57,284 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 04:34:57,285 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product25.cil.c [2019-11-07 04:34:57,356 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6724d3720/7610199f9fb4461ab9da7c0f4e5e35d2/FLAG5d052b8d3 [2019-11-07 04:34:57,855 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 04:34:57,856 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product25.cil.c [2019-11-07 04:34:57,886 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6724d3720/7610199f9fb4461ab9da7c0f4e5e35d2/FLAG5d052b8d3 [2019-11-07 04:34:58,145 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6724d3720/7610199f9fb4461ab9da7c0f4e5e35d2 [2019-11-07 04:34:58,164 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 04:34:58,166 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 04:34:58,177 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 04:34:58,178 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 04:34:58,186 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 04:34:58,189 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:34:58" (1/1) ... [2019-11-07 04:34:58,197 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3da64b57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:34:58, skipping insertion in model container [2019-11-07 04:34:58,197 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:34:58" (1/1) ... [2019-11-07 04:34:58,214 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 04:34:58,279 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 04:34:58,751 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:34:58,767 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 04:34:58,865 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:34:58,899 INFO L192 MainTranslator]: Completed translation [2019-11-07 04:34:58,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:34:58 WrapperNode [2019-11-07 04:34:58,900 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 04:34:58,901 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 04:34:58,901 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 04:34:58,901 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 04:34:58,911 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:34:58" (1/1) ... [2019-11-07 04:34:58,911 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:34:58" (1/1) ... [2019-11-07 04:34:58,929 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:34:58" (1/1) ... [2019-11-07 04:34:58,930 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:34:58" (1/1) ... [2019-11-07 04:34:58,957 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:34:58" (1/1) ... [2019-11-07 04:34:58,967 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:34:58" (1/1) ... [2019-11-07 04:34:58,972 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:34:58" (1/1) ... [2019-11-07 04:34:58,980 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 04:34:58,980 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 04:34:58,980 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 04:34:58,981 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 04:34:58,982 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:34:58" (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 [2019-11-07 04:34:59,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 04:34:59,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 04:34:59,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 04:34:59,059 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 04:34:59,059 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 04:34:59,061 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 04:34:59,062 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 04:34:59,062 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 04:34:59,063 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-07 04:34:59,063 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-07 04:34:59,063 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-11-07 04:34:59,064 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-11-07 04:34:59,064 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-11-07 04:34:59,065 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-07 04:34:59,065 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-11-07 04:34:59,065 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-11-07 04:34:59,067 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-11-07 04:34:59,068 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-11-07 04:34:59,068 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 04:34:59,068 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-07 04:34:59,068 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-11-07 04:34:59,069 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 04:34:59,069 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-11-07 04:34:59,069 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 04:34:59,069 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-11-07 04:34:59,069 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-07 04:34:59,069 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-07 04:34:59,070 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-07 04:34:59,070 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-11-07 04:34:59,070 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-11-07 04:34:59,070 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-11-07 04:34:59,070 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 04:34:59,070 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 04:34:59,071 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 04:34:59,071 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 04:34:59,071 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 04:34:59,071 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 04:34:59,071 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-11-07 04:34:59,071 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-11-07 04:34:59,071 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-11-07 04:34:59,072 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 04:34:59,072 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 04:34:59,072 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 04:34:59,072 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 04:34:59,072 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 04:34:59,072 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 04:34:59,072 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 04:34:59,073 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 04:34:59,073 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-11-07 04:34:59,073 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-07 04:34:59,073 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-11-07 04:34:59,073 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-11-07 04:34:59,073 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-07 04:34:59,073 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-11-07 04:34:59,074 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-07 04:34:59,074 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-11-07 04:34:59,074 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-11-07 04:34:59,074 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-11-07 04:34:59,074 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-11-07 04:34:59,075 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-11-07 04:34:59,075 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-07 04:34:59,076 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-11-07 04:34:59,076 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-11-07 04:34:59,076 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-11-07 04:34:59,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 04:34:59,076 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-07 04:34:59,076 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-07 04:34:59,076 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-07 04:34:59,077 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 04:34:59,077 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-11-07 04:34:59,077 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 04:34:59,077 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-11-07 04:34:59,077 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-11-07 04:34:59,078 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 04:34:59,078 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-11-07 04:34:59,079 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 04:34:59,079 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 04:34:59,080 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 04:34:59,080 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 04:34:59,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 04:34:59,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 04:34:59,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 04:34:59,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 04:34:59,081 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 04:34:59,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 04:34:59,082 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 04:34:59,082 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 04:34:59,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 04:34:59,084 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 04:34:59,084 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 04:34:59,084 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 04:34:59,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 04:34:59,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 04:34:59,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 04:35:00,597 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 04:35:00,598 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-07 04:35:00,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:35:00 BoogieIcfgContainer [2019-11-07 04:35:00,599 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 04:35:00,600 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 04:35:00,600 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 04:35:00,604 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 04:35:00,604 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:34:58" (1/3) ... [2019-11-07 04:35:00,605 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b8c97d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:35:00, skipping insertion in model container [2019-11-07 04:35:00,605 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:34:58" (2/3) ... [2019-11-07 04:35:00,605 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b8c97d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:35:00, skipping insertion in model container [2019-11-07 04:35:00,606 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:35:00" (3/3) ... [2019-11-07 04:35:00,608 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product25.cil.c [2019-11-07 04:35:00,618 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 04:35:00,630 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 04:35:00,643 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 04:35:00,675 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 04:35:00,676 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 04:35:00,676 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 04:35:00,676 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 04:35:00,677 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 04:35:00,677 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 04:35:00,677 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 04:35:00,677 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 04:35:00,706 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states. [2019-11-07 04:35:00,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-07 04:35:00,719 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:35:00,720 INFO L410 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] [2019-11-07 04:35:00,723 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:35:00,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:35:00,731 INFO L82 PathProgramCache]: Analyzing trace with hash 447905579, now seen corresponding path program 1 times [2019-11-07 04:35:00,743 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:35:00,743 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847837466] [2019-11-07 04:35:00,743 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:35:00,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:35:01,130 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-07 04:35:01,131 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847837466] [2019-11-07 04:35:01,131 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:35:01,132 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-07 04:35:01,133 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436280385] [2019-11-07 04:35:01,138 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-07 04:35:01,139 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:35:01,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-07 04:35:01,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 04:35:01,156 INFO L87 Difference]: Start difference. First operand 129 states. Second operand 2 states. [2019-11-07 04:35:01,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:35:01,195 INFO L93 Difference]: Finished difference Result 188 states and 227 transitions. [2019-11-07 04:35:01,195 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-07 04:35:01,196 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-11-07 04:35:01,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:35:01,207 INFO L225 Difference]: With dead ends: 188 [2019-11-07 04:35:01,208 INFO L226 Difference]: Without dead ends: 96 [2019-11-07 04:35:01,212 INFO L630 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 [2019-11-07 04:35:01,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2019-11-07 04:35:01,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2019-11-07 04:35:01,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2019-11-07 04:35:01,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 109 transitions. [2019-11-07 04:35:01,268 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 109 transitions. Word has length 52 [2019-11-07 04:35:01,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:35:01,269 INFO L462 AbstractCegarLoop]: Abstraction has 96 states and 109 transitions. [2019-11-07 04:35:01,269 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-07 04:35:01,269 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 109 transitions. [2019-11-07 04:35:01,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-11-07 04:35:01,273 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:35:01,273 INFO L410 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] [2019-11-07 04:35:01,274 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:35:01,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:35:01,274 INFO L82 PathProgramCache]: Analyzing trace with hash -1967716735, now seen corresponding path program 1 times [2019-11-07 04:35:01,275 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:35:01,275 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476227433] [2019-11-07 04:35:01,275 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:35:01,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:35:01,426 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-07 04:35:01,427 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476227433] [2019-11-07 04:35:01,427 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:35:01,428 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 04:35:01,428 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541571099] [2019-11-07 04:35:01,430 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 04:35:01,431 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:35:01,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 04:35:01,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:35:01,432 INFO L87 Difference]: Start difference. First operand 96 states and 109 transitions. Second operand 3 states. [2019-11-07 04:35:01,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:35:01,464 INFO L93 Difference]: Finished difference Result 146 states and 166 transitions. [2019-11-07 04:35:01,464 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 04:35:01,464 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-11-07 04:35:01,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:35:01,467 INFO L225 Difference]: With dead ends: 146 [2019-11-07 04:35:01,467 INFO L226 Difference]: Without dead ends: 88 [2019-11-07 04:35:01,468 INFO L630 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 [2019-11-07 04:35:01,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2019-11-07 04:35:01,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2019-11-07 04:35:01,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2019-11-07 04:35:01,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 98 transitions. [2019-11-07 04:35:01,482 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 98 transitions. Word has length 53 [2019-11-07 04:35:01,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:35:01,483 INFO L462 AbstractCegarLoop]: Abstraction has 88 states and 98 transitions. [2019-11-07 04:35:01,483 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 04:35:01,483 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 98 transitions. [2019-11-07 04:35:01,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-11-07 04:35:01,486 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:35:01,486 INFO L410 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] [2019-11-07 04:35:01,486 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:35:01,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:35:01,487 INFO L82 PathProgramCache]: Analyzing trace with hash 688068040, now seen corresponding path program 1 times [2019-11-07 04:35:01,487 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:35:01,488 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475259397] [2019-11-07 04:35:01,488 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:35:01,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:35:01,726 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-07 04:35:01,727 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475259397] [2019-11-07 04:35:01,727 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:35:01,727 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-07 04:35:01,729 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295341819] [2019-11-07 04:35:01,730 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-07 04:35:01,731 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:35:01,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-07 04:35:01,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-07 04:35:01,732 INFO L87 Difference]: Start difference. First operand 88 states and 98 transitions. Second operand 7 states. [2019-11-07 04:35:02,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:35:02,089 INFO L93 Difference]: Finished difference Result 151 states and 172 transitions. [2019-11-07 04:35:02,093 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-07 04:35:02,093 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 55 [2019-11-07 04:35:02,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:35:02,095 INFO L225 Difference]: With dead ends: 151 [2019-11-07 04:35:02,095 INFO L226 Difference]: Without dead ends: 88 [2019-11-07 04:35:02,098 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-11-07 04:35:02,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2019-11-07 04:35:02,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2019-11-07 04:35:02,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2019-11-07 04:35:02,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 97 transitions. [2019-11-07 04:35:02,116 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 97 transitions. Word has length 55 [2019-11-07 04:35:02,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:35:02,118 INFO L462 AbstractCegarLoop]: Abstraction has 88 states and 97 transitions. [2019-11-07 04:35:02,118 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-07 04:35:02,118 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 97 transitions. [2019-11-07 04:35:02,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-11-07 04:35:02,121 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:35:02,121 INFO L410 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, 1, 1, 1, 1] [2019-11-07 04:35:02,121 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:35:02,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:35:02,123 INFO L82 PathProgramCache]: Analyzing trace with hash 543240605, now seen corresponding path program 1 times [2019-11-07 04:35:02,124 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:35:02,124 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952508333] [2019-11-07 04:35:02,124 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:35:02,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:35:02,269 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-07 04:35:02,270 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952508333] [2019-11-07 04:35:02,270 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:35:02,270 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-07 04:35:02,270 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143880676] [2019-11-07 04:35:02,271 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-07 04:35:02,271 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:35:02,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-07 04:35:02,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-07 04:35:02,273 INFO L87 Difference]: Start difference. First operand 88 states and 97 transitions. Second operand 7 states. [2019-11-07 04:35:02,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:35:02,598 INFO L93 Difference]: Finished difference Result 133 states and 152 transitions. [2019-11-07 04:35:02,598 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-07 04:35:02,598 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 63 [2019-11-07 04:35:02,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:35:02,599 INFO L225 Difference]: With dead ends: 133 [2019-11-07 04:35:02,599 INFO L226 Difference]: Without dead ends: 0 [2019-11-07 04:35:02,603 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-11-07 04:35:02,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-07 04:35:02,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-07 04:35:02,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-07 04:35:02,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-07 04:35:02,604 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 63 [2019-11-07 04:35:02,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:35:02,608 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-07 04:35:02,608 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-07 04:35:02,608 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-07 04:35:02,608 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-07 04:35:02,613 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-07 04:35:03,084 INFO L443 ceAbstractionStarter]: For program point L604-2(lines 604 625) no Hoare annotation was computed. [2019-11-07 04:35:03,085 INFO L443 ceAbstractionStarter]: For program point L626(lines 603 627) no Hoare annotation was computed. [2019-11-07 04:35:03,085 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 579 634) no Hoare annotation was computed. [2019-11-07 04:35:03,085 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 579 634) no Hoare annotation was computed. [2019-11-07 04:35:03,085 INFO L443 ceAbstractionStarter]: For program point L610(lines 610 614) no Hoare annotation was computed. [2019-11-07 04:35:03,085 INFO L443 ceAbstractionStarter]: For program point L667(lines 667 671) no Hoare annotation was computed. [2019-11-07 04:35:03,085 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 635 694) no Hoare annotation was computed. [2019-11-07 04:35:03,085 INFO L443 ceAbstractionStarter]: For program point L661-2(lines 661 686) no Hoare annotation was computed. [2019-11-07 04:35:03,086 INFO L443 ceAbstractionStarter]: For program point L687(lines 660 688) no Hoare annotation was computed. [2019-11-07 04:35:03,086 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 635 694) no Hoare annotation was computed. [2019-11-07 04:35:03,086 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 635 694) no Hoare annotation was computed. [2019-11-07 04:35:03,086 INFO L443 ceAbstractionStarter]: For program point L680(line 680) no Hoare annotation was computed. [2019-11-07 04:35:03,086 INFO L443 ceAbstractionStarter]: For program point L680-1(line 680) no Hoare annotation was computed. [2019-11-07 04:35:03,087 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2019-11-07 04:35:03,087 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2019-11-07 04:35:03,087 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2019-11-07 04:35:03,087 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2019-11-07 04:35:03,087 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 894 901) the Hoare annotation is: true [2019-11-07 04:35:03,087 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 894 901) no Hoare annotation was computed. [2019-11-07 04:35:03,087 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 902 911) the Hoare annotation is: true [2019-11-07 04:35:03,088 INFO L443 ceAbstractionStarter]: For program point L907(line 907) no Hoare annotation was computed. [2019-11-07 04:35:03,088 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 902 911) no Hoare annotation was computed. [2019-11-07 04:35:03,088 INFO L439 ceAbstractionStarter]: At program point L927(line 927) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2019-11-07 04:35:03,088 INFO L443 ceAbstractionStarter]: For program point L925(lines 925 931) no Hoare annotation was computed. [2019-11-07 04:35:03,088 INFO L443 ceAbstractionStarter]: For program point L924(lines 924 934) no Hoare annotation was computed. [2019-11-07 04:35:03,088 INFO L446 ceAbstractionStarter]: At program point L922(line 922) the Hoare annotation is: true [2019-11-07 04:35:03,088 INFO L443 ceAbstractionStarter]: For program point L922-1(line 922) no Hoare annotation was computed. [2019-11-07 04:35:03,089 INFO L443 ceAbstractionStarter]: For program point L920(lines 920 937) no Hoare annotation was computed. [2019-11-07 04:35:03,089 INFO L443 ceAbstractionStarter]: For program point L920-1(lines 912 940) no Hoare annotation was computed. [2019-11-07 04:35:03,089 INFO L446 ceAbstractionStarter]: At program point L918(line 918) the Hoare annotation is: true [2019-11-07 04:35:03,089 INFO L443 ceAbstractionStarter]: For program point L918-1(line 918) no Hoare annotation was computed. [2019-11-07 04:35:03,089 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 912 940) the Hoare annotation is: true [2019-11-07 04:35:03,089 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 912 940) no Hoare annotation was computed. [2019-11-07 04:35:03,089 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 413 435) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-11-07 04:35:03,089 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 413 435) no Hoare annotation was computed. [2019-11-07 04:35:03,090 INFO L439 ceAbstractionStarter]: At program point L425(line 425) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= main_~tmp~4 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-11-07 04:35:03,090 INFO L439 ceAbstractionStarter]: At program point L425-1(line 425) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= main_~tmp~4 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-11-07 04:35:03,090 INFO L443 ceAbstractionStarter]: For program point L423(lines 423 430) no Hoare annotation was computed. [2019-11-07 04:35:03,090 INFO L443 ceAbstractionStarter]: For program point L423-1(lines 423 430) no Hoare annotation was computed. [2019-11-07 04:35:03,090 INFO L443 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2019-11-07 04:35:03,090 INFO L439 ceAbstractionStarter]: At program point L420(line 420) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-11-07 04:35:03,091 INFO L439 ceAbstractionStarter]: At program point L419(line 419) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-11-07 04:35:03,091 INFO L439 ceAbstractionStarter]: At program point L419-1(line 419) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-11-07 04:35:03,091 INFO L443 ceAbstractionStarter]: For program point L385(line 385) no Hoare annotation was computed. [2019-11-07 04:35:03,091 INFO L443 ceAbstractionStarter]: For program point L384(line 384) no Hoare annotation was computed. [2019-11-07 04:35:03,091 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 370 393) no Hoare annotation was computed. [2019-11-07 04:35:03,091 INFO L443 ceAbstractionStarter]: For program point L383(line 383) no Hoare annotation was computed. [2019-11-07 04:35:03,091 INFO L443 ceAbstractionStarter]: For program point L382(line 382) no Hoare annotation was computed. [2019-11-07 04:35:03,092 INFO L443 ceAbstractionStarter]: For program point L381(line 381) no Hoare annotation was computed. [2019-11-07 04:35:03,092 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 370 393) no Hoare annotation was computed. [2019-11-07 04:35:03,092 INFO L443 ceAbstractionStarter]: For program point L380(line 380) no Hoare annotation was computed. [2019-11-07 04:35:03,092 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 370 393) no Hoare annotation was computed. [2019-11-07 04:35:03,092 INFO L443 ceAbstractionStarter]: For program point L379(line 379) no Hoare annotation was computed. [2019-11-07 04:35:03,092 INFO L443 ceAbstractionStarter]: For program point L378(line 378) no Hoare annotation was computed. [2019-11-07 04:35:03,092 INFO L443 ceAbstractionStarter]: For program point L377(line 377) no Hoare annotation was computed. [2019-11-07 04:35:03,093 INFO L443 ceAbstractionStarter]: For program point L376(line 376) no Hoare annotation was computed. [2019-11-07 04:35:03,093 INFO L443 ceAbstractionStarter]: For program point L375(line 375) no Hoare annotation was computed. [2019-11-07 04:35:03,093 INFO L443 ceAbstractionStarter]: For program point L388(line 388) no Hoare annotation was computed. [2019-11-07 04:35:03,093 INFO L443 ceAbstractionStarter]: For program point L387(line 387) no Hoare annotation was computed. [2019-11-07 04:35:03,093 INFO L443 ceAbstractionStarter]: For program point L386(line 386) no Hoare annotation was computed. [2019-11-07 04:35:03,093 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 206 214) no Hoare annotation was computed. [2019-11-07 04:35:03,093 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 206 214) the Hoare annotation is: true [2019-11-07 04:35:03,094 INFO L443 ceAbstractionStarter]: For program point L258-1(line 258) no Hoare annotation was computed. [2019-11-07 04:35:03,094 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 251 269) the Hoare annotation is: true [2019-11-07 04:35:03,094 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 251 269) no Hoare annotation was computed. [2019-11-07 04:35:03,094 INFO L446 ceAbstractionStarter]: At program point L258(line 258) the Hoare annotation is: true [2019-11-07 04:35:03,094 INFO L443 ceAbstractionStarter]: For program point L245(line 245) no Hoare annotation was computed. [2019-11-07 04:35:03,094 INFO L443 ceAbstractionStarter]: For program point L245-1(line 245) no Hoare annotation was computed. [2019-11-07 04:35:03,095 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 215 250) no Hoare annotation was computed. [2019-11-07 04:35:03,095 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 215 250) no Hoare annotation was computed. [2019-11-07 04:35:03,095 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2019-11-07 04:35:03,095 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2019-11-07 04:35:03,095 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 533 578) no Hoare annotation was computed. [2019-11-07 04:35:03,095 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 533 578) no Hoare annotation was computed. [2019-11-07 04:35:03,095 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 846 891) no Hoare annotation was computed. [2019-11-07 04:35:03,095 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 846 891) no Hoare annotation was computed. [2019-11-07 04:35:03,096 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 402 412) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-11-07 04:35:03,096 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 402 412) no Hoare annotation was computed. [2019-11-07 04:35:03,096 INFO L439 ceAbstractionStarter]: At program point L407(line 407) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-11-07 04:35:03,096 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 402 412) no Hoare annotation was computed. [2019-11-07 04:35:03,096 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 195 205) no Hoare annotation was computed. [2019-11-07 04:35:03,096 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 195 205) no Hoare annotation was computed. [2019-11-07 04:35:03,096 INFO L443 ceAbstractionStarter]: For program point L200(line 200) no Hoare annotation was computed. [2019-11-07 04:35:03,097 INFO L443 ceAbstractionStarter]: For program point L200-1(line 200) no Hoare annotation was computed. [2019-11-07 04:35:03,097 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 187 194) the Hoare annotation is: true [2019-11-07 04:35:03,097 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 187 194) no Hoare annotation was computed. [2019-11-07 04:35:03,097 INFO L439 ceAbstractionStarter]: At program point L155(line 155) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-11-07 04:35:03,097 INFO L443 ceAbstractionStarter]: For program point L155-1(lines 136 160) no Hoare annotation was computed. [2019-11-07 04:35:03,097 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 136 160) no Hoare annotation was computed. [2019-11-07 04:35:03,097 INFO L439 ceAbstractionStarter]: At program point L150(line 150) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-11-07 04:35:03,098 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 136 160) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-11-07 04:35:03,098 INFO L439 ceAbstractionStarter]: At program point L146(line 146) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-11-07 04:35:03,098 INFO L443 ceAbstractionStarter]: For program point L144(lines 144 152) no Hoare annotation was computed. [2019-11-07 04:35:03,098 INFO L439 ceAbstractionStarter]: At program point L142(line 142) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-11-07 04:35:03,098 INFO L443 ceAbstractionStarter]: For program point L142-1(line 142) no Hoare annotation was computed. [2019-11-07 04:35:03,098 INFO L443 ceAbstractionStarter]: For program point L140(lines 140 157) no Hoare annotation was computed. [2019-11-07 04:35:03,098 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 128 134) no Hoare annotation was computed. [2019-11-07 04:35:03,099 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 128 134) the Hoare annotation is: true [2019-11-07 04:35:03,099 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 274 337) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-11-07 04:35:03,099 INFO L439 ceAbstractionStarter]: At program point L320-2(lines 314 325) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1))) [2019-11-07 04:35:03,099 INFO L443 ceAbstractionStarter]: For program point L285(lines 284 329) no Hoare annotation was computed. [2019-11-07 04:35:03,099 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 274 337) no Hoare annotation was computed. [2019-11-07 04:35:03,099 INFO L439 ceAbstractionStarter]: At program point L306(line 306) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1))) [2019-11-07 04:35:03,100 INFO L443 ceAbstractionStarter]: For program point L304(lines 304 310) no Hoare annotation was computed. [2019-11-07 04:35:03,100 INFO L443 ceAbstractionStarter]: For program point L304-1(lines 304 310) no Hoare annotation was computed. [2019-11-07 04:35:03,100 INFO L439 ceAbstractionStarter]: At program point L296(line 296) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1))) [2019-11-07 04:35:03,100 INFO L439 ceAbstractionStarter]: At program point L327(lines 284 329) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1))) [2019-11-07 04:35:03,100 INFO L443 ceAbstractionStarter]: For program point L294(lines 294 300) no Hoare annotation was computed. [2019-11-07 04:35:03,100 INFO L443 ceAbstractionStarter]: For program point L294-1(lines 294 300) no Hoare annotation was computed. [2019-11-07 04:35:03,100 INFO L439 ceAbstractionStarter]: At program point L330(lines 283 331) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-11-07 04:35:03,100 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 274 337) no Hoare annotation was computed. [2019-11-07 04:35:03,101 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 800 845) no Hoare annotation was computed. [2019-11-07 04:35:03,101 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 800 845) no Hoare annotation was computed. [2019-11-07 04:35:03,101 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 161 168) no Hoare annotation was computed. [2019-11-07 04:35:03,101 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 161 168) no Hoare annotation was computed. [2019-11-07 04:35:03,101 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 517 525) the Hoare annotation is: true [2019-11-07 04:35:03,101 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 517 525) no Hoare annotation was computed. [2019-11-07 04:35:03,101 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 485 507) no Hoare annotation was computed. [2019-11-07 04:35:03,101 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 485 507) no Hoare annotation was computed. [2019-11-07 04:35:03,102 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2019-11-07 04:35:03,102 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2019-11-07 04:35:03,102 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 697 799) no Hoare annotation was computed. [2019-11-07 04:35:03,102 INFO L443 ceAbstractionStarter]: For program point L762(line 762) no Hoare annotation was computed. [2019-11-07 04:35:03,102 INFO L443 ceAbstractionStarter]: For program point L762-1(line 762) no Hoare annotation was computed. [2019-11-07 04:35:03,102 INFO L443 ceAbstractionStarter]: For program point L721(lines 721 725) no Hoare annotation was computed. [2019-11-07 04:35:03,103 INFO L443 ceAbstractionStarter]: For program point L746-2(lines 746 766) no Hoare annotation was computed. [2019-11-07 04:35:03,103 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 697 799) no Hoare annotation was computed. [2019-11-07 04:35:03,103 INFO L443 ceAbstractionStarter]: For program point L767(lines 745 768) no Hoare annotation was computed. [2019-11-07 04:35:03,103 INFO L443 ceAbstractionStarter]: For program point L726(lines 726 742) no Hoare annotation was computed. [2019-11-07 04:35:03,103 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 697 799) no Hoare annotation was computed. [2019-11-07 04:35:03,103 INFO L443 ceAbstractionStarter]: For program point L747(lines 746 766) no Hoare annotation was computed. [2019-11-07 04:35:03,103 INFO L443 ceAbstractionStarter]: For program point L778(line 778) no Hoare annotation was computed. [2019-11-07 04:35:03,104 INFO L443 ceAbstractionStarter]: For program point L778-1(line 778) no Hoare annotation was computed. [2019-11-07 04:35:03,104 INFO L443 ceAbstractionStarter]: For program point L743(lines 743 784) no Hoare annotation was computed. [2019-11-07 04:35:03,104 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-11-07 04:35:03,104 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-11-07 04:35:03,104 INFO L443 ceAbstractionStarter]: For program point L177(lines 177 183) no Hoare annotation was computed. [2019-11-07 04:35:03,104 INFO L443 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2019-11-07 04:35:03,104 INFO L443 ceAbstractionStarter]: For program point L175-1(line 175) no Hoare annotation was computed. [2019-11-07 04:35:03,105 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 170 186) no Hoare annotation was computed. [2019-11-07 04:35:03,105 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 170 186) no Hoare annotation was computed. [2019-11-07 04:35:03,105 INFO L443 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2019-11-07 04:35:03,105 INFO L443 ceAbstractionStarter]: For program point L181-1(lines 170 186) no Hoare annotation was computed. [2019-11-07 04:35:03,105 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 508 516) the Hoare annotation is: true [2019-11-07 04:35:03,105 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 508 516) no Hoare annotation was computed. [2019-11-07 04:35:03,105 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 464 475) the Hoare annotation is: true [2019-11-07 04:35:03,105 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 464 475) no Hoare annotation was computed. [2019-11-07 04:35:03,106 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-11-07 04:35:03,106 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-11-07 04:35:03,106 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalENTRY(lines 476 484) no Hoare annotation was computed. [2019-11-07 04:35:03,106 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 476 484) no Hoare annotation was computed. [2019-11-07 04:35:03,106 INFO L439 ceAbstractionStarter]: At program point L117(line 117) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-11-07 04:35:03,106 INFO L439 ceAbstractionStarter]: At program point L115(lines 115 121) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-11-07 04:35:03,106 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 101 127) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-11-07 04:35:03,107 INFO L439 ceAbstractionStarter]: At program point L110(line 110) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-11-07 04:35:03,107 INFO L443 ceAbstractionStarter]: For program point L108(lines 104 126) no Hoare annotation was computed. [2019-11-07 04:35:03,107 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 101 127) no Hoare annotation was computed. [2019-11-07 04:35:03,107 INFO L443 ceAbstractionStarter]: For program point L106(lines 104 126) no Hoare annotation was computed. [2019-11-07 04:35:03,107 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 101 127) no Hoare annotation was computed. [2019-11-07 04:35:03,107 INFO L446 ceAbstractionStarter]: At program point L354-1(lines 354 358) the Hoare annotation is: true [2019-11-07 04:35:03,107 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 340 369) no Hoare annotation was computed. [2019-11-07 04:35:03,108 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 340 369) the Hoare annotation is: true [2019-11-07 04:35:03,108 INFO L446 ceAbstractionStarter]: At program point L350-2(lines 350 364) the Hoare annotation is: true [2019-11-07 04:35:03,108 INFO L446 ceAbstractionStarter]: At program point L346(line 346) the Hoare annotation is: true [2019-11-07 04:35:03,108 INFO L443 ceAbstractionStarter]: For program point L346-1(line 346) no Hoare annotation was computed. [2019-11-07 04:35:03,108 INFO L446 ceAbstractionStarter]: At program point L365(lines 340 369) the Hoare annotation is: true [2019-11-07 04:35:03,108 INFO L443 ceAbstractionStarter]: For program point L361(line 361) no Hoare annotation was computed. [2019-11-07 04:35:03,108 INFO L443 ceAbstractionStarter]: For program point L354(lines 354 358) no Hoare annotation was computed. [2019-11-07 04:35:03,108 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 440 451) the Hoare annotation is: true [2019-11-07 04:35:03,108 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 440 451) no Hoare annotation was computed. [2019-11-07 04:35:03,109 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 394 400) no Hoare annotation was computed. [2019-11-07 04:35:03,109 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 394 400) the Hoare annotation is: true [2019-11-07 04:35:03,109 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-07 04:35:03,109 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2019-11-07 04:35:03,109 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-07 04:35:03,109 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-07 04:35:03,109 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 452 463) no Hoare annotation was computed. [2019-11-07 04:35:03,109 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 452 463) the Hoare annotation is: true [2019-11-07 04:35:03,109 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 78 85) the Hoare annotation is: true [2019-11-07 04:35:03,109 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 82) no Hoare annotation was computed. [2019-11-07 04:35:03,109 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 78 85) no Hoare annotation was computed. [2019-11-07 04:35:03,122 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 04:35:03 BoogieIcfgContainer [2019-11-07 04:35:03,123 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-07 04:35:03,125 INFO L168 Benchmark]: Toolchain (without parser) took 4958.59 ms. Allocated memory was 142.1 MB in the beginning and 255.3 MB in the end (delta: 113.2 MB). Free memory was 98.0 MB in the beginning and 210.0 MB in the end (delta: -112.0 MB). Peak memory consumption was 133.4 MB. Max. memory is 7.1 GB. [2019-11-07 04:35:03,126 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 142.1 MB. Free memory is still 116.7 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-11-07 04:35:03,127 INFO L168 Benchmark]: CACSL2BoogieTranslator took 723.15 ms. Allocated memory was 142.1 MB in the beginning and 200.3 MB in the end (delta: 58.2 MB). Free memory was 98.0 MB in the beginning and 167.1 MB in the end (delta: -69.1 MB). Peak memory consumption was 21.2 MB. Max. memory is 7.1 GB. [2019-11-07 04:35:03,128 INFO L168 Benchmark]: Boogie Preprocessor took 79.16 ms. Allocated memory is still 200.3 MB. Free memory was 167.1 MB in the beginning and 162.9 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-11-07 04:35:03,129 INFO L168 Benchmark]: RCFGBuilder took 1619.07 ms. Allocated memory was 200.3 MB in the beginning and 227.0 MB in the end (delta: 26.7 MB). Free memory was 162.9 MB in the beginning and 146.3 MB in the end (delta: 16.6 MB). Peak memory consumption was 88.6 MB. Max. memory is 7.1 GB. [2019-11-07 04:35:03,130 INFO L168 Benchmark]: TraceAbstraction took 2522.46 ms. Allocated memory was 227.0 MB in the beginning and 255.3 MB in the end (delta: 28.3 MB). Free memory was 146.3 MB in the beginning and 210.0 MB in the end (delta: -63.6 MB). Peak memory consumption was 96.7 MB. Max. memory is 7.1 GB. [2019-11-07 04:35:03,134 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 142.1 MB. Free memory is still 116.7 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 723.15 ms. Allocated memory was 142.1 MB in the beginning and 200.3 MB in the end (delta: 58.2 MB). Free memory was 98.0 MB in the beginning and 167.1 MB in the end (delta: -69.1 MB). Peak memory consumption was 21.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 79.16 ms. Allocated memory is still 200.3 MB. Free memory was 167.1 MB in the beginning and 162.9 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1619.07 ms. Allocated memory was 200.3 MB in the beginning and 227.0 MB in the end (delta: 26.7 MB). Free memory was 162.9 MB in the beginning and 146.3 MB in the end (delta: 16.6 MB). Peak memory consumption was 88.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2522.46 ms. Allocated memory was 227.0 MB in the beginning and 255.3 MB in the end (delta: 28.3 MB). Free memory was 146.3 MB in the beginning and 210.0 MB in the end (delta: -63.6 MB). Peak memory consumption was 96.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 82]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: !(0 == \old(pumpRunning)) || !(systemActive == 1) - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 340]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 284]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || (0 == splverifierCounter && pumpRunning == 0)) || !(systemActive == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 181 locations, 1 error locations. Result: SAFE, OverallTime: 2.4s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, HoareTripleCheckerStatistics: 363 SDtfs, 149 SDslu, 367 SDs, 0 SdLazy, 253 SolverSat, 65 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=129occurred 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, 52 LocationsWithAnnotation, 170 PreInvPairs, 177 NumberOfFragments, 330 HoareAnnotationTreeSize, 170 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 52 FomulaSimplificationsInter, 372 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 223 NumberOfCodeBlocks, 223 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 219 ConstructedInterpolants, 0 QuantifiedInterpolants, 20387 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...