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_product05.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 15:16:12,916 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 15:16:12,920 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 15:16:12,933 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 15:16:12,933 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 15:16:12,934 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 15:16:12,935 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 15:16:12,937 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 15:16:12,939 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 15:16:12,940 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 15:16:12,941 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 15:16:12,942 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 15:16:12,942 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 15:16:12,943 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 15:16:12,944 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 15:16:12,945 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 15:16:12,946 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 15:16:12,947 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 15:16:12,949 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 15:16:12,951 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 15:16:12,953 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 15:16:12,954 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 15:16:12,955 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 15:16:12,956 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 15:16:12,958 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 15:16:12,960 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 15:16:12,960 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 15:16:12,964 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 15:16:12,964 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 15:16:12,965 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 15:16:12,966 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 15:16:12,969 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 15:16:12,970 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 15:16:12,971 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 15:16:12,972 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 15:16:12,972 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 15:16:12,973 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 15:16:12,973 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 15:16:12,974 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 15:16:12,975 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 15:16:12,979 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 15:16:12,980 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-07 15:16:13,007 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 15:16:13,007 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 15:16:13,010 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 15:16:13,010 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 15:16:13,010 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 15:16:13,011 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 15:16:13,011 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 15:16:13,011 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 15:16:13,011 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 15:16:13,012 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 15:16:13,013 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 15:16:13,013 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 15:16:13,013 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 15:16:13,014 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 15:16:13,014 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 15:16:13,014 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 15:16:13,015 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 15:16:13,015 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 15:16:13,015 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 15:16:13,015 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 15:16:13,016 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 15:16:13,016 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:16:13,016 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 15:16:13,016 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 15:16:13,017 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 15:16:13,017 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 15:16:13,017 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 15:16:13,017 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 15:16:13,017 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-07 15:16:13,316 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 15:16:13,328 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 15:16:13,332 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 15:16:13,334 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 15:16:13,334 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 15:16:13,334 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product05.cil.c [2019-10-07 15:16:13,410 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e2d87eb2/93ec0ecb0fd34b36841f341ee4935d19/FLAG58f9b51bd [2019-10-07 15:16:13,921 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 15:16:13,925 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product05.cil.c [2019-10-07 15:16:13,943 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e2d87eb2/93ec0ecb0fd34b36841f341ee4935d19/FLAG58f9b51bd [2019-10-07 15:16:14,242 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e2d87eb2/93ec0ecb0fd34b36841f341ee4935d19 [2019-10-07 15:16:14,251 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 15:16:14,252 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 15:16:14,253 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 15:16:14,253 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 15:16:14,255 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 15:16:14,256 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:16:14" (1/1) ... [2019-10-07 15:16:14,258 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79976c1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:16:14, skipping insertion in model container [2019-10-07 15:16:14,259 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:16:14" (1/1) ... [2019-10-07 15:16:14,264 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 15:16:14,308 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 15:16:14,734 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:16:14,762 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 15:16:14,865 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:16:14,896 INFO L192 MainTranslator]: Completed translation [2019-10-07 15:16:14,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:16:14 WrapperNode [2019-10-07 15:16:14,897 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 15:16:14,897 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 15:16:14,897 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 15:16:14,898 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 15:16:14,912 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:16:14" (1/1) ... [2019-10-07 15:16:14,912 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:16:14" (1/1) ... [2019-10-07 15:16:14,938 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:16:14" (1/1) ... [2019-10-07 15:16:14,938 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:16:14" (1/1) ... [2019-10-07 15:16:14,965 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:16:14" (1/1) ... [2019-10-07 15:16:14,975 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:16:14" (1/1) ... [2019-10-07 15:16:14,980 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:16:14" (1/1) ... [2019-10-07 15:16:14,991 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 15:16:14,991 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 15:16:14,991 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 15:16:14,992 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 15:16:14,993 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:16:14" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:16:15,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 15:16:15,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 15:16:15,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 15:16:15,082 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-07 15:16:15,083 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-07 15:16:15,083 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 15:16:15,084 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-07 15:16:15,084 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 15:16:15,084 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-10-07 15:16:15,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-10-07 15:16:15,085 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 15:16:15,086 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-07 15:16:15,086 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-07 15:16:15,086 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-07 15:16:15,086 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-07 15:16:15,086 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-07 15:16:15,089 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-07 15:16:15,089 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-07 15:16:15,089 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-07 15:16:15,090 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 15:16:15,090 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 15:16:15,090 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 15:16:15,090 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 15:16:15,090 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-07 15:16:15,090 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-07 15:16:15,090 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-07 15:16:15,091 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-07 15:16:15,091 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-07 15:16:15,091 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-07 15:16:15,091 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 15:16:15,091 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 15:16:15,092 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 15:16:15,092 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 15:16:15,092 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 15:16:15,092 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 15:16:15,093 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 15:16:15,093 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 15:16:15,093 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 15:16:15,093 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 15:16:15,093 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-07 15:16:15,093 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-07 15:16:15,094 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-07 15:16:15,094 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-07 15:16:15,094 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-07 15:16:15,094 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-07 15:16:15,094 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 15:16:15,094 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-10-07 15:16:15,095 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 15:16:15,095 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-07 15:16:15,095 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 15:16:15,095 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 15:16:15,095 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 15:16:15,095 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 15:16:15,095 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 15:16:15,096 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-07 15:16:15,096 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-07 15:16:15,096 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-10-07 15:16:15,096 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-07 15:16:15,096 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-07 15:16:15,097 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-07 15:16:15,097 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-07 15:16:15,097 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-07 15:16:15,097 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-07 15:16:15,097 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-07 15:16:15,098 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 15:16:15,098 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 15:16:15,098 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-07 15:16:15,098 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 15:16:15,098 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 15:16:15,098 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 15:16:15,098 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 15:16:15,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 15:16:15,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 15:16:15,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 15:16:15,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 15:16:15,100 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 15:16:15,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 15:16:15,101 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 15:16:15,101 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 15:16:15,101 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 15:16:15,102 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 15:16:15,102 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 15:16:15,102 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 15:16:15,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 15:16:15,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 15:16:15,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 15:16:16,604 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 15:16:16,604 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-07 15:16:16,605 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:16:16 BoogieIcfgContainer [2019-10-07 15:16:16,606 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 15:16:16,607 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 15:16:16,607 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 15:16:16,610 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 15:16:16,610 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:16:14" (1/3) ... [2019-10-07 15:16:16,611 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78c074f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:16:16, skipping insertion in model container [2019-10-07 15:16:16,612 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:16:14" (2/3) ... [2019-10-07 15:16:16,612 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78c074f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:16:16, skipping insertion in model container [2019-10-07 15:16:16,612 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:16:16" (3/3) ... [2019-10-07 15:16:16,614 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product05.cil.c [2019-10-07 15:16:16,624 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 15:16:16,635 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 15:16:16,647 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 15:16:16,677 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 15:16:16,677 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 15:16:16,677 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 15:16:16,677 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 15:16:16,678 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 15:16:16,678 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 15:16:16,679 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 15:16:16,679 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 15:16:16,703 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states. [2019-10-07 15:16:16,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-07 15:16:16,713 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:16:16,714 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:16:16,716 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:16:16,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:16:16,724 INFO L82 PathProgramCache]: Analyzing trace with hash 1055874728, now seen corresponding path program 1 times [2019-10-07 15:16:16,733 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:16:16,733 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:16:16,734 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:16:16,734 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:16:16,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:16:16,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:16:17,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:16:17,082 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:16:17,082 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:16:17,083 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 15:16:17,087 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 15:16:17,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 15:16:17,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:16:17,104 INFO L87 Difference]: Start difference. First operand 123 states. Second operand 2 states. [2019-10-07 15:16:17,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:16:17,155 INFO L93 Difference]: Finished difference Result 176 states and 215 transitions. [2019-10-07 15:16:17,156 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 15:16:17,157 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-10-07 15:16:17,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:16:17,169 INFO L225 Difference]: With dead ends: 176 [2019-10-07 15:16:17,169 INFO L226 Difference]: Without dead ends: 90 [2019-10-07 15:16:17,173 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:16:17,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2019-10-07 15:16:17,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2019-10-07 15:16:17,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2019-10-07 15:16:17,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 103 transitions. [2019-10-07 15:16:17,221 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 103 transitions. Word has length 46 [2019-10-07 15:16:17,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:16:17,222 INFO L462 AbstractCegarLoop]: Abstraction has 90 states and 103 transitions. [2019-10-07 15:16:17,222 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 15:16:17,222 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 103 transitions. [2019-10-07 15:16:17,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-07 15:16:17,226 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:16:17,226 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:16:17,226 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:16:17,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:16:17,227 INFO L82 PathProgramCache]: Analyzing trace with hash 1681587532, now seen corresponding path program 1 times [2019-10-07 15:16:17,227 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:16:17,227 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:16:17,228 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:16:17,228 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:16:17,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:16:17,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:16:17,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:16:17,364 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:16:17,364 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:16:17,365 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:16:17,366 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:16:17,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:16:17,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:16:17,368 INFO L87 Difference]: Start difference. First operand 90 states and 103 transitions. Second operand 3 states. [2019-10-07 15:16:17,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:16:17,387 INFO L93 Difference]: Finished difference Result 134 states and 154 transitions. [2019-10-07 15:16:17,388 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:16:17,388 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-10-07 15:16:17,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:16:17,390 INFO L225 Difference]: With dead ends: 134 [2019-10-07 15:16:17,391 INFO L226 Difference]: Without dead ends: 82 [2019-10-07 15:16:17,392 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:16:17,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2019-10-07 15:16:17,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2019-10-07 15:16:17,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2019-10-07 15:16:17,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 92 transitions. [2019-10-07 15:16:17,405 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 92 transitions. Word has length 47 [2019-10-07 15:16:17,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:16:17,405 INFO L462 AbstractCegarLoop]: Abstraction has 82 states and 92 transitions. [2019-10-07 15:16:17,406 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:16:17,406 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 92 transitions. [2019-10-07 15:16:17,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-10-07 15:16:17,408 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:16:17,408 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:16:17,409 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:16:17,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:16:17,409 INFO L82 PathProgramCache]: Analyzing trace with hash -1006715505, now seen corresponding path program 1 times [2019-10-07 15:16:17,409 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:16:17,410 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:16:17,410 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:16:17,410 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:16:17,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:16:17,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:16:17,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:16:17,675 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:16:17,675 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:16:17,676 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:16:17,676 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:16:17,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:16:17,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:16:17,677 INFO L87 Difference]: Start difference. First operand 82 states and 92 transitions. Second operand 7 states. [2019-10-07 15:16:17,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:16:17,992 INFO L93 Difference]: Finished difference Result 139 states and 160 transitions. [2019-10-07 15:16:17,993 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 15:16:17,993 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 49 [2019-10-07 15:16:17,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:16:17,995 INFO L225 Difference]: With dead ends: 139 [2019-10-07 15:16:17,995 INFO L226 Difference]: Without dead ends: 82 [2019-10-07 15:16:17,996 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-07 15:16:17,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2019-10-07 15:16:18,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2019-10-07 15:16:18,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2019-10-07 15:16:18,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 91 transitions. [2019-10-07 15:16:18,007 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 91 transitions. Word has length 49 [2019-10-07 15:16:18,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:16:18,008 INFO L462 AbstractCegarLoop]: Abstraction has 82 states and 91 transitions. [2019-10-07 15:16:18,008 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:16:18,008 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 91 transitions. [2019-10-07 15:16:18,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-07 15:16:18,013 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:16:18,014 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:16:18,014 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:16:18,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:16:18,014 INFO L82 PathProgramCache]: Analyzing trace with hash -1008549590, now seen corresponding path program 1 times [2019-10-07 15:16:18,015 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:16:18,015 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:16:18,015 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:16:18,015 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:16:18,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:16:18,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:16:18,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:16:18,185 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:16:18,185 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:16:18,185 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 15:16:18,186 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 15:16:18,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 15:16:18,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-07 15:16:18,187 INFO L87 Difference]: Start difference. First operand 82 states and 91 transitions. Second operand 6 states. [2019-10-07 15:16:18,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:16:18,421 INFO L93 Difference]: Finished difference Result 188 states and 217 transitions. [2019-10-07 15:16:18,422 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 15:16:18,422 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2019-10-07 15:16:18,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:16:18,428 INFO L225 Difference]: With dead ends: 188 [2019-10-07 15:16:18,429 INFO L226 Difference]: Without dead ends: 131 [2019-10-07 15:16:18,430 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-07 15:16:18,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2019-10-07 15:16:18,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 127. [2019-10-07 15:16:18,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2019-10-07 15:16:18,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 143 transitions. [2019-10-07 15:16:18,463 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 143 transitions. Word has length 57 [2019-10-07 15:16:18,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:16:18,463 INFO L462 AbstractCegarLoop]: Abstraction has 127 states and 143 transitions. [2019-10-07 15:16:18,463 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 15:16:18,464 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 143 transitions. [2019-10-07 15:16:18,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-10-07 15:16:18,465 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:16:18,466 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:16:18,466 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:16:18,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:16:18,466 INFO L82 PathProgramCache]: Analyzing trace with hash 476344310, now seen corresponding path program 1 times [2019-10-07 15:16:18,467 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:16:18,467 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:16:18,467 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:16:18,467 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:16:18,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:16:18,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:16:18,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:16:18,622 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:16:18,623 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:16:18,623 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:16:18,623 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:16:18,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:16:18,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:16:18,624 INFO L87 Difference]: Start difference. First operand 127 states and 143 transitions. Second operand 7 states. [2019-10-07 15:16:18,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:16:18,945 INFO L93 Difference]: Finished difference Result 199 states and 230 transitions. [2019-10-07 15:16:18,946 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 15:16:18,947 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 60 [2019-10-07 15:16:18,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:16:18,947 INFO L225 Difference]: With dead ends: 199 [2019-10-07 15:16:18,947 INFO L226 Difference]: Without dead ends: 0 [2019-10-07 15:16:18,949 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-10-07 15:16:18,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-07 15:16:18,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-07 15:16:18,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-07 15:16:18,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-07 15:16:18,950 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 60 [2019-10-07 15:16:18,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:16:18,951 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-07 15:16:18,951 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:16:18,951 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-07 15:16:18,951 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-07 15:16:18,956 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-07 15:16:19,663 INFO L443 ceAbstractionStarter]: For program point L598(lines 598 602) no Hoare annotation was computed. [2019-10-07 15:16:19,664 INFO L443 ceAbstractionStarter]: For program point L592-2(lines 592 613) no Hoare annotation was computed. [2019-10-07 15:16:19,664 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 567 622) no Hoare annotation was computed. [2019-10-07 15:16:19,664 INFO L443 ceAbstractionStarter]: For program point L614(lines 591 615) no Hoare annotation was computed. [2019-10-07 15:16:19,664 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 567 622) no Hoare annotation was computed. [2019-10-07 15:16:19,664 INFO L443 ceAbstractionStarter]: For program point L668(line 668) no Hoare annotation was computed. [2019-10-07 15:16:19,664 INFO L443 ceAbstractionStarter]: For program point L668-1(line 668) no Hoare annotation was computed. [2019-10-07 15:16:19,665 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 623 682) no Hoare annotation was computed. [2019-10-07 15:16:19,665 INFO L443 ceAbstractionStarter]: For program point L655(lines 655 659) no Hoare annotation was computed. [2019-10-07 15:16:19,665 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 623 682) no Hoare annotation was computed. [2019-10-07 15:16:19,665 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 623 682) no Hoare annotation was computed. [2019-10-07 15:16:19,665 INFO L443 ceAbstractionStarter]: For program point L649-2(lines 649 674) no Hoare annotation was computed. [2019-10-07 15:16:19,665 INFO L443 ceAbstractionStarter]: For program point L675(lines 648 676) no Hoare annotation was computed. [2019-10-07 15:16:19,666 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 408 414) the Hoare annotation is: true [2019-10-07 15:16:19,666 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 408 414) no Hoare annotation was computed. [2019-10-07 15:16:19,666 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 415 423) no Hoare annotation was computed. [2019-10-07 15:16:19,666 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 415 423) the Hoare annotation is: true [2019-10-07 15:16:19,666 INFO L439 ceAbstractionStarter]: At program point L129(line 129) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:16:19,667 INFO L439 ceAbstractionStarter]: At program point L128(line 128) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:16:19,667 INFO L439 ceAbstractionStarter]: At program point L128-1(line 128) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:16:19,668 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 122 144) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:16:19,668 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 122 144) no Hoare annotation was computed. [2019-10-07 15:16:19,669 INFO L439 ceAbstractionStarter]: At program point L134(line 134) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= main_~tmp~0 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0))) [2019-10-07 15:16:19,669 INFO L439 ceAbstractionStarter]: At program point L134-1(line 134) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= main_~tmp~0 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0))) [2019-10-07 15:16:19,669 INFO L443 ceAbstractionStarter]: For program point L132(lines 132 139) no Hoare annotation was computed. [2019-10-07 15:16:19,670 INFO L443 ceAbstractionStarter]: For program point L132-1(lines 132 139) no Hoare annotation was computed. [2019-10-07 15:16:19,670 INFO L443 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2019-10-07 15:16:19,670 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2019-10-07 15:16:19,670 INFO L443 ceAbstractionStarter]: For program point L93(line 93) no Hoare annotation was computed. [2019-10-07 15:16:19,670 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2019-10-07 15:16:19,670 INFO L443 ceAbstractionStarter]: For program point L92(line 92) no Hoare annotation was computed. [2019-10-07 15:16:19,670 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2019-10-07 15:16:19,671 INFO L443 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-10-07 15:16:19,671 INFO L443 ceAbstractionStarter]: For program point L90(line 90) no Hoare annotation was computed. [2019-10-07 15:16:19,671 INFO L443 ceAbstractionStarter]: For program point L89(line 89) no Hoare annotation was computed. [2019-10-07 15:16:19,671 INFO L443 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2019-10-07 15:16:19,671 INFO L443 ceAbstractionStarter]: For program point L87(line 87) no Hoare annotation was computed. [2019-10-07 15:16:19,671 INFO L443 ceAbstractionStarter]: For program point L86(line 86) no Hoare annotation was computed. [2019-10-07 15:16:19,671 INFO L443 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2019-10-07 15:16:19,672 INFO L443 ceAbstractionStarter]: For program point L84(line 84) no Hoare annotation was computed. [2019-10-07 15:16:19,672 INFO L443 ceAbstractionStarter]: For program point L83(line 83) no Hoare annotation was computed. [2019-10-07 15:16:19,672 INFO L443 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-10-07 15:16:19,672 INFO L443 ceAbstractionStarter]: For program point L81(line 81) no Hoare annotation was computed. [2019-10-07 15:16:19,672 INFO L443 ceAbstractionStarter]: For program point L80(line 80) no Hoare annotation was computed. [2019-10-07 15:16:19,672 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 344 352) no Hoare annotation was computed. [2019-10-07 15:16:19,673 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 344 352) the Hoare annotation is: true [2019-10-07 15:16:19,673 INFO L443 ceAbstractionStarter]: For program point L383(line 383) no Hoare annotation was computed. [2019-10-07 15:16:19,673 INFO L443 ceAbstractionStarter]: For program point L383-1(line 383) no Hoare annotation was computed. [2019-10-07 15:16:19,673 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 353 388) no Hoare annotation was computed. [2019-10-07 15:16:19,673 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 353 388) no Hoare annotation was computed. [2019-10-07 15:16:19,673 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 401 407) no Hoare annotation was computed. [2019-10-07 15:16:19,673 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 401 407) the Hoare annotation is: true [2019-10-07 15:16:19,674 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 521 566) no Hoare annotation was computed. [2019-10-07 15:16:19,674 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 521 566) no Hoare annotation was computed. [2019-10-07 15:16:19,674 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 834 879) no Hoare annotation was computed. [2019-10-07 15:16:19,674 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 834 879) no Hoare annotation was computed. [2019-10-07 15:16:19,674 INFO L439 ceAbstractionStarter]: At program point L113(line 113) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:16:19,675 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 108 118) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:16:19,675 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 108 118) no Hoare annotation was computed. [2019-10-07 15:16:19,675 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 108 118) no Hoare annotation was computed. [2019-10-07 15:16:19,675 INFO L443 ceAbstractionStarter]: For program point L338-1(line 338) no Hoare annotation was computed. [2019-10-07 15:16:19,675 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 333 343) the Hoare annotation is: true [2019-10-07 15:16:19,675 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 333 343) no Hoare annotation was computed. [2019-10-07 15:16:19,676 INFO L446 ceAbstractionStarter]: At program point L338(line 338) the Hoare annotation is: true [2019-10-07 15:16:19,676 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 325 332) the Hoare annotation is: true [2019-10-07 15:16:19,676 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 325 332) no Hoare annotation was computed. [2019-10-07 15:16:19,676 INFO L439 ceAbstractionStarter]: At program point L311(line 311) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-07 15:16:19,676 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 292 316) no Hoare annotation was computed. [2019-10-07 15:16:19,676 INFO L443 ceAbstractionStarter]: For program point L311-1(lines 292 316) no Hoare annotation was computed. [2019-10-07 15:16:19,677 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 292 316) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-07 15:16:19,677 INFO L439 ceAbstractionStarter]: At program point L306(line 306) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-07 15:16:19,677 INFO L439 ceAbstractionStarter]: At program point L302(line 302) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-07 15:16:19,677 INFO L443 ceAbstractionStarter]: For program point L300(lines 300 308) no Hoare annotation was computed. [2019-10-07 15:16:19,677 INFO L439 ceAbstractionStarter]: At program point L298(line 298) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-07 15:16:19,677 INFO L443 ceAbstractionStarter]: For program point L298-1(line 298) no Hoare annotation was computed. [2019-10-07 15:16:19,678 INFO L443 ceAbstractionStarter]: For program point L296(lines 296 313) no Hoare annotation was computed. [2019-10-07 15:16:19,678 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 284 290) no Hoare annotation was computed. [2019-10-07 15:16:19,678 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 284 290) the Hoare annotation is: true [2019-10-07 15:16:19,678 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 188 251) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:16:19,678 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 188 251) no Hoare annotation was computed. [2019-10-07 15:16:19,678 INFO L439 ceAbstractionStarter]: At program point L244(lines 197 245) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:16:19,679 INFO L439 ceAbstractionStarter]: At program point L234-2(lines 228 239) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:16:19,680 INFO L443 ceAbstractionStarter]: For program point L199(lines 198 243) no Hoare annotation was computed. [2019-10-07 15:16:19,680 INFO L439 ceAbstractionStarter]: At program point L220(line 220) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:16:19,680 INFO L443 ceAbstractionStarter]: For program point L218(lines 218 224) no Hoare annotation was computed. [2019-10-07 15:16:19,680 INFO L443 ceAbstractionStarter]: For program point L218-1(lines 218 224) no Hoare annotation was computed. [2019-10-07 15:16:19,680 INFO L439 ceAbstractionStarter]: At program point L210(line 210) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:16:19,681 INFO L439 ceAbstractionStarter]: At program point L241(lines 198 243) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:16:19,681 INFO L443 ceAbstractionStarter]: For program point L208(lines 208 214) no Hoare annotation was computed. [2019-10-07 15:16:19,681 INFO L443 ceAbstractionStarter]: For program point L208-1(lines 208 214) no Hoare annotation was computed. [2019-10-07 15:16:19,681 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 188 251) no Hoare annotation was computed. [2019-10-07 15:16:19,682 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 788 833) no Hoare annotation was computed. [2019-10-07 15:16:19,683 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 788 833) no Hoare annotation was computed. [2019-10-07 15:16:19,684 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 158 186) the Hoare annotation is: true [2019-10-07 15:16:19,684 INFO L439 ceAbstractionStarter]: At program point L173(line 173) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2019-10-07 15:16:19,684 INFO L443 ceAbstractionStarter]: For program point L171(lines 171 177) no Hoare annotation was computed. [2019-10-07 15:16:19,684 INFO L443 ceAbstractionStarter]: For program point L170(lines 170 180) no Hoare annotation was computed. [2019-10-07 15:16:19,684 INFO L439 ceAbstractionStarter]: At program point L168(line 168) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2019-10-07 15:16:19,684 INFO L443 ceAbstractionStarter]: For program point L168-1(line 168) no Hoare annotation was computed. [2019-10-07 15:16:19,685 INFO L443 ceAbstractionStarter]: For program point L166(lines 166 183) no Hoare annotation was computed. [2019-10-07 15:16:19,685 INFO L443 ceAbstractionStarter]: For program point L166-1(lines 158 186) no Hoare annotation was computed. [2019-10-07 15:16:19,685 INFO L446 ceAbstractionStarter]: At program point L164(line 164) the Hoare annotation is: true [2019-10-07 15:16:19,687 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 158 186) no Hoare annotation was computed. [2019-10-07 15:16:19,688 INFO L443 ceAbstractionStarter]: For program point L164-1(line 164) no Hoare annotation was computed. [2019-10-07 15:16:19,688 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 150 157) the Hoare annotation is: true [2019-10-07 15:16:19,688 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 150 157) no Hoare annotation was computed. [2019-10-07 15:16:19,688 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 473 495) no Hoare annotation was computed. [2019-10-07 15:16:19,688 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 473 495) no Hoare annotation was computed. [2019-10-07 15:16:19,688 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 391 400) no Hoare annotation was computed. [2019-10-07 15:16:19,689 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 391 400) no Hoare annotation was computed. [2019-10-07 15:16:19,689 INFO L443 ceAbstractionStarter]: For program point L735(lines 734 754) no Hoare annotation was computed. [2019-10-07 15:16:19,689 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 685 787) no Hoare annotation was computed. [2019-10-07 15:16:19,689 INFO L443 ceAbstractionStarter]: For program point L766(line 766) no Hoare annotation was computed. [2019-10-07 15:16:19,689 INFO L443 ceAbstractionStarter]: For program point L766-1(line 766) no Hoare annotation was computed. [2019-10-07 15:16:19,690 INFO L443 ceAbstractionStarter]: For program point L731(lines 731 772) no Hoare annotation was computed. [2019-10-07 15:16:19,690 INFO L443 ceAbstractionStarter]: For program point L750(line 750) no Hoare annotation was computed. [2019-10-07 15:16:19,690 INFO L443 ceAbstractionStarter]: For program point L750-1(line 750) no Hoare annotation was computed. [2019-10-07 15:16:19,690 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 685 787) no Hoare annotation was computed. [2019-10-07 15:16:19,690 INFO L443 ceAbstractionStarter]: For program point L709(lines 709 713) no Hoare annotation was computed. [2019-10-07 15:16:19,690 INFO L443 ceAbstractionStarter]: For program point L734-2(lines 734 754) no Hoare annotation was computed. [2019-10-07 15:16:19,690 INFO L443 ceAbstractionStarter]: For program point L755(lines 733 756) no Hoare annotation was computed. [2019-10-07 15:16:19,690 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 685 787) no Hoare annotation was computed. [2019-10-07 15:16:19,690 INFO L443 ceAbstractionStarter]: For program point L714(lines 714 730) no Hoare annotation was computed. [2019-10-07 15:16:19,691 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-07 15:16:19,691 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:16:19,691 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 317 324) no Hoare annotation was computed. [2019-10-07 15:16:19,692 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 317 324) no Hoare annotation was computed. [2019-10-07 15:16:19,692 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 496 504) no Hoare annotation was computed. [2019-10-07 15:16:19,693 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 496 504) no Hoare annotation was computed. [2019-10-07 15:16:19,693 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 452 463) the Hoare annotation is: true [2019-10-07 15:16:19,693 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 452 463) no Hoare annotation was computed. [2019-10-07 15:16:19,693 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:16:19,693 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-07 15:16:19,693 INFO L439 ceAbstractionStarter]: At program point L273(line 273) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-07 15:16:19,693 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 260 283) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-07 15:16:19,694 INFO L439 ceAbstractionStarter]: At program point L271(lines 271 277) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-07 15:16:19,694 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 260 283) no Hoare annotation was computed. [2019-10-07 15:16:19,694 INFO L439 ceAbstractionStarter]: At program point L266(line 266) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-07 15:16:19,694 INFO L443 ceAbstractionStarter]: For program point L264(lines 263 282) no Hoare annotation was computed. [2019-10-07 15:16:19,694 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 260 283) no Hoare annotation was computed. [2019-10-07 15:16:19,694 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2019-10-07 15:16:19,694 INFO L443 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2019-10-07 15:16:19,695 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2019-10-07 15:16:19,695 INFO L443 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2019-10-07 15:16:19,695 INFO L446 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2019-10-07 15:16:19,695 INFO L446 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2019-10-07 15:16:19,695 INFO L446 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2019-10-07 15:16:19,695 INFO L443 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2019-10-07 15:16:19,695 INFO L446 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2019-10-07 15:16:19,695 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 464 472) the Hoare annotation is: true [2019-10-07 15:16:19,696 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 464 472) no Hoare annotation was computed. [2019-10-07 15:16:19,696 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 428 439) the Hoare annotation is: true [2019-10-07 15:16:19,696 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 428 439) no Hoare annotation was computed. [2019-10-07 15:16:19,696 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2019-10-07 15:16:19,696 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2019-10-07 15:16:19,696 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:16:19,696 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-07 15:16:19,696 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-07 15:16:19,697 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-07 15:16:19,697 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 440 451) no Hoare annotation was computed. [2019-10-07 15:16:19,697 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 440 451) the Hoare annotation is: true [2019-10-07 15:16:19,697 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 506 513) the Hoare annotation is: true [2019-10-07 15:16:19,697 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 506 513) no Hoare annotation was computed. [2019-10-07 15:16:19,697 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 510) no Hoare annotation was computed. [2019-10-07 15:16:19,724 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.10 03:16:19 BoogieIcfgContainer [2019-10-07 15:16:19,724 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-07 15:16:19,727 INFO L168 Benchmark]: Toolchain (without parser) took 5473.86 ms. Allocated memory was 146.8 MB in the beginning and 244.8 MB in the end (delta: 98.0 MB). Free memory was 103.0 MB in the beginning and 98.0 MB in the end (delta: 5.0 MB). Peak memory consumption was 103.0 MB. Max. memory is 7.1 GB. [2019-10-07 15:16:19,729 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 146.8 MB. Free memory was 123.2 MB in the beginning and 123.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-07 15:16:19,731 INFO L168 Benchmark]: CACSL2BoogieTranslator took 644.27 ms. Allocated memory was 146.8 MB in the beginning and 202.9 MB in the end (delta: 56.1 MB). Free memory was 102.8 MB in the beginning and 172.4 MB in the end (delta: -69.6 MB). Peak memory consumption was 23.2 MB. Max. memory is 7.1 GB. [2019-10-07 15:16:19,732 INFO L168 Benchmark]: Boogie Preprocessor took 93.57 ms. Allocated memory is still 202.9 MB. Free memory was 172.4 MB in the beginning and 167.8 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2019-10-07 15:16:19,734 INFO L168 Benchmark]: RCFGBuilder took 1614.46 ms. Allocated memory was 202.9 MB in the beginning and 234.4 MB in the end (delta: 31.5 MB). Free memory was 167.8 MB in the beginning and 153.5 MB in the end (delta: 14.4 MB). Peak memory consumption was 81.4 MB. Max. memory is 7.1 GB. [2019-10-07 15:16:19,735 INFO L168 Benchmark]: TraceAbstraction took 3117.22 ms. Allocated memory was 234.4 MB in the beginning and 244.8 MB in the end (delta: 10.5 MB). Free memory was 153.5 MB in the beginning and 98.0 MB in the end (delta: 55.4 MB). Peak memory consumption was 65.9 MB. Max. memory is 7.1 GB. [2019-10-07 15:16:19,749 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 146.8 MB. Free memory was 123.2 MB in the beginning and 123.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 644.27 ms. Allocated memory was 146.8 MB in the beginning and 202.9 MB in the end (delta: 56.1 MB). Free memory was 102.8 MB in the beginning and 172.4 MB in the end (delta: -69.6 MB). Peak memory consumption was 23.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 93.57 ms. Allocated memory is still 202.9 MB. Free memory was 172.4 MB in the beginning and 167.8 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1614.46 ms. Allocated memory was 202.9 MB in the beginning and 234.4 MB in the end (delta: 31.5 MB). Free memory was 167.8 MB in the beginning and 153.5 MB in the end (delta: 14.4 MB). Peak memory consumption was 81.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3117.22 ms. Allocated memory was 234.4 MB in the beginning and 244.8 MB in the end (delta: 10.5 MB). Free memory was 153.5 MB in the beginning and 98.0 MB in the end (delta: 55.4 MB). Peak memory consumption was 65.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 510]: 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: 198]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (0 == splverifierCounter && pumpRunning == 0)) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 197]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 164 locations, 1 error locations. Result: SAFE, OverallTime: 3.0s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, HoareTripleCheckerStatistics: 441 SDtfs, 228 SDslu, 663 SDs, 0 SdLazy, 293 SolverSat, 92 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=127occurred 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: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 50 LocationsWithAnnotation, 223 PreInvPairs, 235 NumberOfFragments, 433 HoareAnnotationTreeSize, 223 FomulaSimplifications, 70 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 50 FomulaSimplificationsInter, 734 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 259 NumberOfCodeBlocks, 259 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 254 ConstructedInterpolants, 0 QuantifiedInterpolants, 23858 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...