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_spec1_product64.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 23:14:41,889 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 23:14:41,892 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 23:14:41,911 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 23:14:41,912 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 23:14:41,913 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 23:14:41,915 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 23:14:41,917 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 23:14:41,924 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 23:14:41,928 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 23:14:41,929 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 23:14:41,934 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 23:14:41,934 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 23:14:41,938 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 23:14:41,939 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 23:14:41,940 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 23:14:41,941 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 23:14:41,946 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 23:14:41,949 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 23:14:41,951 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 23:14:41,955 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 23:14:41,959 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 23:14:41,961 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 23:14:41,961 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 23:14:41,966 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 23:14:41,967 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 23:14:41,967 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 23:14:41,968 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 23:14:41,971 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 23:14:41,972 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 23:14:41,973 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 23:14:41,975 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 23:14:41,976 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 23:14:41,976 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 23:14:41,978 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 23:14:41,979 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 23:14:41,979 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 23:14:41,979 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 23:14:41,980 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 23:14:41,982 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 23:14:41,983 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 23:14:41,984 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 23:14:42,001 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 23:14:42,002 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 23:14:42,003 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 23:14:42,003 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 23:14:42,004 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 23:14:42,004 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 23:14:42,004 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 23:14:42,005 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 23:14:42,005 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 23:14:42,005 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 23:14:42,005 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 23:14:42,005 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 23:14:42,006 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 23:14:42,006 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 23:14:42,006 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 23:14:42,006 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 23:14:42,007 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 23:14:42,007 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 23:14:42,007 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 23:14:42,007 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 23:14:42,007 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 23:14:42,008 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:14:42,008 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 23:14:42,008 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 23:14:42,008 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 23:14:42,009 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 23:14:42,009 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 23:14:42,009 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 23:14:42,009 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-13 23:14:42,334 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 23:14:42,348 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 23:14:42,352 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 23:14:42,354 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 23:14:42,354 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 23:14:42,355 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product64.cil.c [2019-10-13 23:14:42,425 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/104fbec32/1da973a749f24699b2c487b74deada69/FLAG70bcd7dca [2019-10-13 23:14:43,005 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 23:14:43,006 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product64.cil.c [2019-10-13 23:14:43,020 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/104fbec32/1da973a749f24699b2c487b74deada69/FLAG70bcd7dca [2019-10-13 23:14:43,224 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/104fbec32/1da973a749f24699b2c487b74deada69 [2019-10-13 23:14:43,234 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 23:14:43,235 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 23:14:43,236 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 23:14:43,237 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 23:14:43,239 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 23:14:43,240 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:14:43" (1/1) ... [2019-10-13 23:14:43,244 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9515a38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:43, skipping insertion in model container [2019-10-13 23:14:43,244 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:14:43" (1/1) ... [2019-10-13 23:14:43,252 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 23:14:43,315 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 23:14:43,741 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:14:43,758 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 23:14:43,872 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:14:43,920 INFO L192 MainTranslator]: Completed translation [2019-10-13 23:14:43,921 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:43 WrapperNode [2019-10-13 23:14:43,922 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 23:14:43,923 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 23:14:43,923 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 23:14:43,923 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 23:14:43,935 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:43" (1/1) ... [2019-10-13 23:14:43,935 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:43" (1/1) ... [2019-10-13 23:14:43,954 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:43" (1/1) ... [2019-10-13 23:14:43,954 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:43" (1/1) ... [2019-10-13 23:14:43,996 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:43" (1/1) ... [2019-10-13 23:14:44,008 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:43" (1/1) ... [2019-10-13 23:14:44,016 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:43" (1/1) ... [2019-10-13 23:14:44,035 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 23:14:44,035 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 23:14:44,035 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 23:14:44,036 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 23:14:44,037 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:43" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:14:44,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 23:14:44,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 23:14:44,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 23:14:44,121 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 23:14:44,121 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 23:14:44,122 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 23:14:44,122 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 23:14:44,123 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 23:14:44,123 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-10-13 23:14:44,123 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 23:14:44,123 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 23:14:44,124 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 23:14:44,125 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 23:14:44,125 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 23:14:44,125 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 23:14:44,125 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 23:14:44,128 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 23:14:44,129 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 23:14:44,129 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 23:14:44,129 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 23:14:44,129 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 23:14:44,129 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-13 23:14:44,130 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-13 23:14:44,130 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-10-13 23:14:44,130 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 23:14:44,130 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-13 23:14:44,130 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 23:14:44,130 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 23:14:44,131 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 23:14:44,131 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 23:14:44,131 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 23:14:44,131 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-13 23:14:44,131 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-13 23:14:44,131 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-13 23:14:44,132 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-13 23:14:44,132 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 23:14:44,133 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 23:14:44,133 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 23:14:44,133 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 23:14:44,133 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 23:14:44,133 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 23:14:44,134 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-13 23:14:44,134 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-13 23:14:44,134 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 23:14:44,134 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 23:14:44,134 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 23:14:44,135 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 23:14:44,135 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 23:14:44,135 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 23:14:44,135 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 23:14:44,135 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 23:14:44,135 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 23:14:44,136 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 23:14:44,136 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 23:14:44,136 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-10-13 23:14:44,136 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 23:14:44,136 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 23:14:44,137 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 23:14:44,137 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 23:14:44,137 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 23:14:44,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 23:14:44,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 23:14:44,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 23:14:44,138 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 23:14:44,138 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 23:14:44,139 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 23:14:44,139 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 23:14:44,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 23:14:44,139 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 23:14:44,139 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 23:14:44,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 23:14:44,139 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 23:14:44,140 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 23:14:44,140 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 23:14:44,141 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 23:14:44,141 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 23:14:44,141 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 23:14:44,142 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 23:14:44,142 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 23:14:44,142 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 23:14:44,142 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 23:14:44,143 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 23:14:44,143 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 23:14:44,143 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 23:14:44,144 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-13 23:14:44,144 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-13 23:14:44,144 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 23:14:44,145 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 23:14:44,145 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-13 23:14:44,145 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-13 23:14:44,145 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 23:14:44,145 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-13 23:14:44,146 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-13 23:14:44,146 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-13 23:14:44,146 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-13 23:14:44,146 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-10-13 23:14:44,146 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 23:14:44,146 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-13 23:14:44,146 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 23:14:44,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 23:14:44,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 23:14:44,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 23:14:45,948 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 23:14:45,948 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 23:14:45,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:14:45 BoogieIcfgContainer [2019-10-13 23:14:45,950 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 23:14:45,952 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 23:14:45,952 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 23:14:45,955 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 23:14:45,956 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:14:43" (1/3) ... [2019-10-13 23:14:45,957 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5106ef3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:14:45, skipping insertion in model container [2019-10-13 23:14:45,957 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:43" (2/3) ... [2019-10-13 23:14:45,958 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5106ef3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:14:45, skipping insertion in model container [2019-10-13 23:14:45,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:14:45" (3/3) ... [2019-10-13 23:14:45,961 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product64.cil.c [2019-10-13 23:14:45,973 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 23:14:45,984 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 23:14:45,997 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 23:14:46,042 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 23:14:46,042 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 23:14:46,043 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 23:14:46,043 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 23:14:46,044 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 23:14:46,044 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 23:14:46,045 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 23:14:46,045 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 23:14:46,074 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states. [2019-10-13 23:14:46,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-13 23:14:46,089 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:14:46,090 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:14:46,092 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:14:46,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:14:46,098 INFO L82 PathProgramCache]: Analyzing trace with hash -471381877, now seen corresponding path program 1 times [2019-10-13 23:14:46,109 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:14:46,109 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117965217] [2019-10-13 23:14:46,110 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:46,110 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:46,110 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:14:46,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:14:46,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:14:46,471 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117965217] [2019-10-13 23:14:46,472 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:14:46,473 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 23:14:46,473 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156610964] [2019-10-13 23:14:46,479 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 23:14:46,480 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:14:46,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 23:14:46,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 23:14:46,499 INFO L87 Difference]: Start difference. First operand 170 states. Second operand 2 states. [2019-10-13 23:14:46,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:14:46,571 INFO L93 Difference]: Finished difference Result 273 states and 336 transitions. [2019-10-13 23:14:46,571 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 23:14:46,573 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 42 [2019-10-13 23:14:46,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:14:46,590 INFO L225 Difference]: With dead ends: 273 [2019-10-13 23:14:46,590 INFO L226 Difference]: Without dead ends: 137 [2019-10-13 23:14:46,595 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 23:14:46,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2019-10-13 23:14:46,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2019-10-13 23:14:46,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2019-10-13 23:14:46,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 162 transitions. [2019-10-13 23:14:46,685 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 162 transitions. Word has length 42 [2019-10-13 23:14:46,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:14:46,686 INFO L462 AbstractCegarLoop]: Abstraction has 137 states and 162 transitions. [2019-10-13 23:14:46,686 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 23:14:46,687 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 162 transitions. [2019-10-13 23:14:46,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-13 23:14:46,699 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:14:46,700 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:14:46,700 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:14:46,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:14:46,703 INFO L82 PathProgramCache]: Analyzing trace with hash 519651401, now seen corresponding path program 1 times [2019-10-13 23:14:46,704 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:14:46,704 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609403870] [2019-10-13 23:14:46,704 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:46,705 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:46,705 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:14:46,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:14:46,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:14:46,916 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609403870] [2019-10-13 23:14:46,917 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:14:46,917 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:14:46,917 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061596158] [2019-10-13 23:14:46,920 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:14:46,920 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:14:46,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:14:46,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:14:46,922 INFO L87 Difference]: Start difference. First operand 137 states and 162 transitions. Second operand 3 states. [2019-10-13 23:14:46,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:14:46,960 INFO L93 Difference]: Finished difference Result 221 states and 261 transitions. [2019-10-13 23:14:46,960 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:14:46,961 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2019-10-13 23:14:46,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:14:46,964 INFO L225 Difference]: With dead ends: 221 [2019-10-13 23:14:46,964 INFO L226 Difference]: Without dead ends: 129 [2019-10-13 23:14:46,966 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:14:46,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2019-10-13 23:14:46,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2019-10-13 23:14:46,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2019-10-13 23:14:46,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 151 transitions. [2019-10-13 23:14:46,997 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 151 transitions. Word has length 43 [2019-10-13 23:14:46,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:14:46,998 INFO L462 AbstractCegarLoop]: Abstraction has 129 states and 151 transitions. [2019-10-13 23:14:46,998 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:14:46,998 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 151 transitions. [2019-10-13 23:14:46,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-13 23:14:47,000 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:14:47,000 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:14:47,000 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:14:47,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:14:47,026 INFO L82 PathProgramCache]: Analyzing trace with hash 61008957, now seen corresponding path program 1 times [2019-10-13 23:14:47,026 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:14:47,027 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673897147] [2019-10-13 23:14:47,027 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:47,027 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:47,027 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:14:47,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:14:47,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:14:47,171 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673897147] [2019-10-13 23:14:47,171 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:14:47,172 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 23:14:47,172 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247722741] [2019-10-13 23:14:47,173 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 23:14:47,173 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:14:47,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 23:14:47,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 23:14:47,174 INFO L87 Difference]: Start difference. First operand 129 states and 151 transitions. Second operand 7 states. [2019-10-13 23:14:47,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:14:47,704 INFO L93 Difference]: Finished difference Result 388 states and 469 transitions. [2019-10-13 23:14:47,704 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 23:14:47,705 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 47 [2019-10-13 23:14:47,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:14:47,709 INFO L225 Difference]: With dead ends: 388 [2019-10-13 23:14:47,709 INFO L226 Difference]: Without dead ends: 281 [2019-10-13 23:14:47,711 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-13 23:14:47,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2019-10-13 23:14:47,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 269. [2019-10-13 23:14:47,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 269 states. [2019-10-13 23:14:47,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 324 transitions. [2019-10-13 23:14:47,784 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 324 transitions. Word has length 47 [2019-10-13 23:14:47,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:14:47,785 INFO L462 AbstractCegarLoop]: Abstraction has 269 states and 324 transitions. [2019-10-13 23:14:47,785 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 23:14:47,785 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 324 transitions. [2019-10-13 23:14:47,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-13 23:14:47,790 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:14:47,790 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:14:47,790 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:14:47,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:14:47,791 INFO L82 PathProgramCache]: Analyzing trace with hash 53947420, now seen corresponding path program 1 times [2019-10-13 23:14:47,791 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:14:47,791 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256464777] [2019-10-13 23:14:47,791 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:47,792 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:47,792 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:14:47,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:14:47,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:14:47,946 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256464777] [2019-10-13 23:14:47,946 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:14:47,946 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 23:14:47,946 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500105301] [2019-10-13 23:14:47,947 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 23:14:47,947 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:14:47,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 23:14:47,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 23:14:47,948 INFO L87 Difference]: Start difference. First operand 269 states and 324 transitions. Second operand 6 states. [2019-10-13 23:14:48,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:14:48,259 INFO L93 Difference]: Finished difference Result 748 states and 921 transitions. [2019-10-13 23:14:48,261 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 23:14:48,261 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 51 [2019-10-13 23:14:48,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:14:48,269 INFO L225 Difference]: With dead ends: 748 [2019-10-13 23:14:48,269 INFO L226 Difference]: Without dead ends: 501 [2019-10-13 23:14:48,276 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-13 23:14:48,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 501 states. [2019-10-13 23:14:48,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 501 to 489. [2019-10-13 23:14:48,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 489 states. [2019-10-13 23:14:48,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 594 transitions. [2019-10-13 23:14:48,358 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 594 transitions. Word has length 51 [2019-10-13 23:14:48,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:14:48,358 INFO L462 AbstractCegarLoop]: Abstraction has 489 states and 594 transitions. [2019-10-13 23:14:48,359 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 23:14:48,359 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 594 transitions. [2019-10-13 23:14:48,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-10-13 23:14:48,362 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:14:48,363 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:14:48,363 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:14:48,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:14:48,363 INFO L82 PathProgramCache]: Analyzing trace with hash 1169125624, now seen corresponding path program 1 times [2019-10-13 23:14:48,364 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:14:48,364 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653689659] [2019-10-13 23:14:48,364 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:48,364 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:48,365 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:14:48,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:14:48,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:14:48,505 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653689659] [2019-10-13 23:14:48,506 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:14:48,506 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 23:14:48,507 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244614278] [2019-10-13 23:14:48,507 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 23:14:48,507 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:14:48,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 23:14:48,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-13 23:14:48,509 INFO L87 Difference]: Start difference. First operand 489 states and 594 transitions. Second operand 7 states. [2019-10-13 23:14:49,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:14:49,175 INFO L93 Difference]: Finished difference Result 1307 states and 1704 transitions. [2019-10-13 23:14:49,176 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-13 23:14:49,176 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 54 [2019-10-13 23:14:49,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:14:49,183 INFO L225 Difference]: With dead ends: 1307 [2019-10-13 23:14:49,183 INFO L226 Difference]: Without dead ends: 840 [2019-10-13 23:14:49,186 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-13 23:14:49,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 840 states. [2019-10-13 23:14:49,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 840 to 751. [2019-10-13 23:14:49,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 751 states. [2019-10-13 23:14:49,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 751 states to 751 states and 901 transitions. [2019-10-13 23:14:49,271 INFO L78 Accepts]: Start accepts. Automaton has 751 states and 901 transitions. Word has length 54 [2019-10-13 23:14:49,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:14:49,272 INFO L462 AbstractCegarLoop]: Abstraction has 751 states and 901 transitions. [2019-10-13 23:14:49,272 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 23:14:49,273 INFO L276 IsEmpty]: Start isEmpty. Operand 751 states and 901 transitions. [2019-10-13 23:14:49,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2019-10-13 23:14:49,277 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:14:49,278 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:14:49,278 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:14:49,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:14:49,278 INFO L82 PathProgramCache]: Analyzing trace with hash -20884908, now seen corresponding path program 1 times [2019-10-13 23:14:49,279 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:14:49,279 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120695153] [2019-10-13 23:14:49,279 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:49,279 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:49,279 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:14:49,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:14:49,504 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 23:14:49,504 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120695153] [2019-10-13 23:14:49,505 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1512328378] [2019-10-13 23:14:49,505 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 23:14:49,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:14:49,708 INFO L256 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 25 conjunts are in the unsatisfiable core [2019-10-13 23:14:49,719 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 23:14:49,810 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:14:49,810 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 23:14:50,501 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 23:14:50,501 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-13 23:14:50,502 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [14, 11] total 23 [2019-10-13 23:14:50,502 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914987666] [2019-10-13 23:14:50,503 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-13 23:14:50,503 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:14:50,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-13 23:14:50,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=431, Unknown=0, NotChecked=0, Total=506 [2019-10-13 23:14:50,504 INFO L87 Difference]: Start difference. First operand 751 states and 901 transitions. Second operand 11 states. [2019-10-13 23:14:51,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:14:51,288 INFO L93 Difference]: Finished difference Result 1807 states and 2261 transitions. [2019-10-13 23:14:51,289 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-13 23:14:51,289 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 90 [2019-10-13 23:14:51,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:14:51,296 INFO L225 Difference]: With dead ends: 1807 [2019-10-13 23:14:51,296 INFO L226 Difference]: Without dead ends: 1078 [2019-10-13 23:14:51,300 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=129, Invalid=683, Unknown=0, NotChecked=0, Total=812 [2019-10-13 23:14:51,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1078 states. [2019-10-13 23:14:51,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1078 to 1058. [2019-10-13 23:14:51,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1058 states. [2019-10-13 23:14:51,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1058 states to 1058 states and 1284 transitions. [2019-10-13 23:14:51,365 INFO L78 Accepts]: Start accepts. Automaton has 1058 states and 1284 transitions. Word has length 90 [2019-10-13 23:14:51,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:14:51,366 INFO L462 AbstractCegarLoop]: Abstraction has 1058 states and 1284 transitions. [2019-10-13 23:14:51,366 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-13 23:14:51,366 INFO L276 IsEmpty]: Start isEmpty. Operand 1058 states and 1284 transitions. [2019-10-13 23:14:51,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2019-10-13 23:14:51,371 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:14:51,372 INFO L380 BasicCegarLoop]: trace histogram [4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:14:51,578 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 23:14:51,579 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:14:51,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:14:51,580 INFO L82 PathProgramCache]: Analyzing trace with hash 820878287, now seen corresponding path program 1 times [2019-10-13 23:14:51,580 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:14:51,581 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450225898] [2019-10-13 23:14:51,581 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:51,581 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:51,582 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:14:51,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:14:51,838 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 17 proven. 6 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-10-13 23:14:51,839 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450225898] [2019-10-13 23:14:51,839 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1970964212] [2019-10-13 23:14:51,839 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 23:14:52,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:14:52,064 INFO L256 TraceCheckSpWp]: Trace formula consists of 918 conjuncts, 25 conjunts are in the unsatisfiable core [2019-10-13 23:14:52,077 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 23:14:52,346 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-13 23:14:52,346 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 23:14:52,840 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-10-13 23:14:52,841 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-13 23:14:52,841 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [14, 11] total 29 [2019-10-13 23:14:52,841 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971553369] [2019-10-13 23:14:52,842 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-13 23:14:52,842 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:14:52,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-13 23:14:52,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=728, Unknown=0, NotChecked=0, Total=812 [2019-10-13 23:14:52,843 INFO L87 Difference]: Start difference. First operand 1058 states and 1284 transitions. Second operand 11 states. [2019-10-13 23:14:53,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:14:53,606 INFO L93 Difference]: Finished difference Result 2617 states and 3249 transitions. [2019-10-13 23:14:53,607 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-13 23:14:53,607 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 151 [2019-10-13 23:14:53,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:14:53,609 INFO L225 Difference]: With dead ends: 2617 [2019-10-13 23:14:53,609 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 23:14:53,616 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 326 GetRequests, 293 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=138, Invalid=1052, Unknown=0, NotChecked=0, Total=1190 [2019-10-13 23:14:53,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 23:14:53,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 23:14:53,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 23:14:53,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 23:14:53,618 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 151 [2019-10-13 23:14:53,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:14:53,618 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 23:14:53,618 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-13 23:14:53,619 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 23:14:53,619 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 23:14:53,824 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 23:14:53,830 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 23:14:55,049 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 14 [2019-10-13 23:14:56,291 INFO L443 ceAbstractionStarter]: For program point L192-2(lines 192 213) no Hoare annotation was computed. [2019-10-13 23:14:56,293 INFO L443 ceAbstractionStarter]: For program point L214(lines 191 215) no Hoare annotation was computed. [2019-10-13 23:14:56,293 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 167 222) no Hoare annotation was computed. [2019-10-13 23:14:56,294 INFO L443 ceAbstractionStarter]: For program point L198(lines 198 202) no Hoare annotation was computed. [2019-10-13 23:14:56,294 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 167 222) no Hoare annotation was computed. [2019-10-13 23:14:56,294 INFO L443 ceAbstractionStarter]: For program point L255(lines 255 259) no Hoare annotation was computed. [2019-10-13 23:14:56,294 INFO L443 ceAbstractionStarter]: For program point L249-2(lines 249 274) no Hoare annotation was computed. [2019-10-13 23:14:56,294 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 223 282) no Hoare annotation was computed. [2019-10-13 23:14:56,294 INFO L443 ceAbstractionStarter]: For program point L275(lines 248 276) no Hoare annotation was computed. [2019-10-13 23:14:56,294 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 223 282) no Hoare annotation was computed. [2019-10-13 23:14:56,294 INFO L443 ceAbstractionStarter]: For program point L268(line 268) no Hoare annotation was computed. [2019-10-13 23:14:56,295 INFO L443 ceAbstractionStarter]: For program point L268-1(line 268) no Hoare annotation was computed. [2019-10-13 23:14:56,295 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 223 282) no Hoare annotation was computed. [2019-10-13 23:14:56,295 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 70 76) the Hoare annotation is: true [2019-10-13 23:14:56,295 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 70 76) no Hoare annotation was computed. [2019-10-13 23:14:56,295 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 77 85) no Hoare annotation was computed. [2019-10-13 23:14:56,295 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 77 85) the Hoare annotation is: true [2019-10-13 23:14:56,295 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 558 580) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:56,296 INFO L439 ceAbstractionStarter]: At program point L570(line 570) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= main_~tmp~4 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:56,296 INFO L439 ceAbstractionStarter]: At program point L570-1(line 570) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= main_~tmp~4 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:56,296 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 558 580) no Hoare annotation was computed. [2019-10-13 23:14:56,296 INFO L443 ceAbstractionStarter]: For program point L568(lines 568 575) no Hoare annotation was computed. [2019-10-13 23:14:56,296 INFO L443 ceAbstractionStarter]: For program point L568-1(lines 568 575) no Hoare annotation was computed. [2019-10-13 23:14:56,296 INFO L443 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2019-10-13 23:14:56,296 INFO L439 ceAbstractionStarter]: At program point L565(line 565) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:56,296 INFO L439 ceAbstractionStarter]: At program point L564(line 564) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:56,297 INFO L439 ceAbstractionStarter]: At program point L564-1(line 564) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:56,297 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 516 539) no Hoare annotation was computed. [2019-10-13 23:14:56,297 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 516 539) no Hoare annotation was computed. [2019-10-13 23:14:56,300 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 516 539) no Hoare annotation was computed. [2019-10-13 23:14:56,300 INFO L443 ceAbstractionStarter]: For program point L534(line 534) no Hoare annotation was computed. [2019-10-13 23:14:56,300 INFO L443 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2019-10-13 23:14:56,300 INFO L443 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2019-10-13 23:14:56,300 INFO L443 ceAbstractionStarter]: For program point L531(line 531) no Hoare annotation was computed. [2019-10-13 23:14:56,300 INFO L443 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2019-10-13 23:14:56,301 INFO L443 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2019-10-13 23:14:56,301 INFO L443 ceAbstractionStarter]: For program point L528(line 528) no Hoare annotation was computed. [2019-10-13 23:14:56,301 INFO L443 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2019-10-13 23:14:56,301 INFO L443 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2019-10-13 23:14:56,301 INFO L443 ceAbstractionStarter]: For program point L525(line 525) no Hoare annotation was computed. [2019-10-13 23:14:56,301 INFO L443 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2019-10-13 23:14:56,301 INFO L443 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2019-10-13 23:14:56,301 INFO L443 ceAbstractionStarter]: For program point L522(line 522) no Hoare annotation was computed. [2019-10-13 23:14:56,301 INFO L443 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2019-10-13 23:14:56,302 INFO L439 ceAbstractionStarter]: At program point L670(line 670) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (= ~pumpRunning~0 0))) (and (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) .cse1 .cse0))) [2019-10-13 23:14:56,302 INFO L443 ceAbstractionStarter]: For program point L670-1(lines 651 675) no Hoare annotation was computed. [2019-10-13 23:14:56,302 INFO L439 ceAbstractionStarter]: At program point L665(line 665) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-10-13 23:14:56,302 INFO L439 ceAbstractionStarter]: At program point L661(line 661) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-10-13 23:14:56,302 INFO L443 ceAbstractionStarter]: For program point L659(lines 659 667) no Hoare annotation was computed. [2019-10-13 23:14:56,302 INFO L439 ceAbstractionStarter]: At program point L657(line 657) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-10-13 23:14:56,303 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 651 675) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 0)) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-10-13 23:14:56,303 INFO L443 ceAbstractionStarter]: For program point L657-1(line 657) no Hoare annotation was computed. [2019-10-13 23:14:56,303 INFO L443 ceAbstractionStarter]: For program point L655(lines 655 672) no Hoare annotation was computed. [2019-10-13 23:14:56,303 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 651 675) no Hoare annotation was computed. [2019-10-13 23:14:56,303 INFO L443 ceAbstractionStarter]: For program point L833(lines 833 839) no Hoare annotation was computed. [2019-10-13 23:14:56,303 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 829 843) no Hoare annotation was computed. [2019-10-13 23:14:56,303 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 829 843) the Hoare annotation is: (and (or (= |old(~systemActive~0)| 0) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0)))) (or (not (= |old(~systemActive~0)| 1)) (= 1 ~systemActive~0)) (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0))) [2019-10-13 23:14:56,303 INFO L439 ceAbstractionStarter]: At program point L835(line 835) the Hoare annotation is: (and (not (= 0 |old(~pumpRunning~0)|)) (or (= |old(~systemActive~0)| 0) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0)))) (or (not (= |old(~systemActive~0)| 1)) (= 1 ~systemActive~0))) [2019-10-13 23:14:56,304 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 746 754) no Hoare annotation was computed. [2019-10-13 23:14:56,304 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 746 754) the Hoare annotation is: true [2019-10-13 23:14:56,304 INFO L446 ceAbstractionStarter]: At program point L817(line 817) the Hoare annotation is: true [2019-10-13 23:14:56,304 INFO L443 ceAbstractionStarter]: For program point L817-1(line 817) no Hoare annotation was computed. [2019-10-13 23:14:56,304 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 810 828) the Hoare annotation is: true [2019-10-13 23:14:56,304 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 810 828) no Hoare annotation was computed. [2019-10-13 23:14:56,304 INFO L443 ceAbstractionStarter]: For program point L785(line 785) no Hoare annotation was computed. [2019-10-13 23:14:56,304 INFO L443 ceAbstractionStarter]: For program point L785-1(line 785) no Hoare annotation was computed. [2019-10-13 23:14:56,304 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 755 790) no Hoare annotation was computed. [2019-10-13 23:14:56,305 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 755 790) no Hoare annotation was computed. [2019-10-13 23:14:56,305 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 63 69) no Hoare annotation was computed. [2019-10-13 23:14:56,305 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 63 69) the Hoare annotation is: true [2019-10-13 23:14:56,305 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 121 166) no Hoare annotation was computed. [2019-10-13 23:14:56,305 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 121 166) no Hoare annotation was computed. [2019-10-13 23:14:56,305 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 434 479) no Hoare annotation was computed. [2019-10-13 23:14:56,305 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 434 479) no Hoare annotation was computed. [2019-10-13 23:14:56,305 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 548 557) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:56,306 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 548 557) no Hoare annotation was computed. [2019-10-13 23:14:56,306 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 548 557) no Hoare annotation was computed. [2019-10-13 23:14:56,306 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 735 745) the Hoare annotation is: true [2019-10-13 23:14:56,306 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 735 745) no Hoare annotation was computed. [2019-10-13 23:14:56,306 INFO L446 ceAbstractionStarter]: At program point L740(line 740) the Hoare annotation is: true [2019-10-13 23:14:56,306 INFO L443 ceAbstractionStarter]: For program point L740-1(line 740) no Hoare annotation was computed. [2019-10-13 23:14:56,306 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 727 734) the Hoare annotation is: (or (= ~systemActive~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2019-10-13 23:14:56,306 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 727 734) no Hoare annotation was computed. [2019-10-13 23:14:56,306 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 933 946) no Hoare annotation was computed. [2019-10-13 23:14:56,307 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 933 946) the Hoare annotation is: true [2019-10-13 23:14:56,307 INFO L439 ceAbstractionStarter]: At program point L696(line 696) the Hoare annotation is: (or (= ~systemActive~0 0) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 0))) [2019-10-13 23:14:56,307 INFO L443 ceAbstractionStarter]: For program point L696-1(lines 677 701) no Hoare annotation was computed. [2019-10-13 23:14:56,307 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 677 701) no Hoare annotation was computed. [2019-10-13 23:14:56,307 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 677 701) the Hoare annotation is: (or (= ~systemActive~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2019-10-13 23:14:56,307 INFO L439 ceAbstractionStarter]: At program point L691(line 691) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0))) (and (or .cse0 (and (= ~methaneLevelCritical~0 processEnvironment_~tmp~7) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0))) [2019-10-13 23:14:56,307 INFO L439 ceAbstractionStarter]: At program point L687(line 687) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or .cse0 (and (= ~methaneLevelCritical~0 processEnvironment_~tmp~7) (= ~pumpRunning~0 |old(~pumpRunning~0)|))))) [2019-10-13 23:14:56,308 INFO L443 ceAbstractionStarter]: For program point L685(lines 685 693) no Hoare annotation was computed. [2019-10-13 23:14:56,311 INFO L439 ceAbstractionStarter]: At program point L683(line 683) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0))) [2019-10-13 23:14:56,311 INFO L443 ceAbstractionStarter]: For program point L683-1(line 683) no Hoare annotation was computed. [2019-10-13 23:14:56,311 INFO L443 ceAbstractionStarter]: For program point L681(lines 681 698) no Hoare annotation was computed. [2019-10-13 23:14:56,312 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 617 623) no Hoare annotation was computed. [2019-10-13 23:14:56,312 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 617 623) the Hoare annotation is: true [2019-10-13 23:14:56,312 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 957 1024) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:56,312 INFO L439 ceAbstractionStarter]: At program point L989(line 989) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 0)) (and .cse0 (not (= 0 ~systemActive~0))) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-13 23:14:56,312 INFO L443 ceAbstractionStarter]: For program point L987(lines 987 993) no Hoare annotation was computed. [2019-10-13 23:14:56,312 INFO L443 ceAbstractionStarter]: For program point L987-1(lines 987 993) no Hoare annotation was computed. [2019-10-13 23:14:56,312 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 957 1024) no Hoare annotation was computed. [2019-10-13 23:14:56,313 INFO L439 ceAbstractionStarter]: At program point L1014(lines 967 1016) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0 (not (= 0 ~systemActive~0))))) [2019-10-13 23:14:56,313 INFO L439 ceAbstractionStarter]: At program point L979(line 979) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0 (not (= 0 ~systemActive~0))))) [2019-10-13 23:14:56,313 INFO L443 ceAbstractionStarter]: For program point L977(lines 977 983) no Hoare annotation was computed. [2019-10-13 23:14:56,313 INFO L443 ceAbstractionStarter]: For program point L977-1(lines 977 983) no Hoare annotation was computed. [2019-10-13 23:14:56,313 INFO L439 ceAbstractionStarter]: At program point L1017(lines 966 1018) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:56,316 INFO L439 ceAbstractionStarter]: At program point L1007(line 1007) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 0)) (and .cse0 (not (= 0 ~systemActive~0))) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-13 23:14:56,316 INFO L443 ceAbstractionStarter]: For program point L1005(lines 1005 1011) no Hoare annotation was computed. [2019-10-13 23:14:56,316 INFO L439 ceAbstractionStarter]: At program point L1005-1(lines 997 1012) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 0)) (and .cse0 (not (= 0 ~systemActive~0))) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-13 23:14:56,316 INFO L443 ceAbstractionStarter]: For program point L968(lines 967 1016) no Hoare annotation was computed. [2019-10-13 23:14:56,317 INFO L439 ceAbstractionStarter]: At program point L999(line 999) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 test_~splverifierCounter~0) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:56,317 INFO L443 ceAbstractionStarter]: For program point L997(lines 997 1012) no Hoare annotation was computed. [2019-10-13 23:14:56,317 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 957 1024) no Hoare annotation was computed. [2019-10-13 23:14:56,317 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 388 433) no Hoare annotation was computed. [2019-10-13 23:14:56,317 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 388 433) no Hoare annotation was computed. [2019-10-13 23:14:56,317 INFO L439 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 702 709) the Hoare annotation is: (or (= ~pumpRunning~0 0) (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (not (= ~methaneLevelCritical~0 0))) [2019-10-13 23:14:56,317 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 702 709) no Hoare annotation was computed. [2019-10-13 23:14:56,318 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 947 955) the Hoare annotation is: true [2019-10-13 23:14:56,318 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 947 955) no Hoare annotation was computed. [2019-10-13 23:14:56,318 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 901 923) no Hoare annotation was computed. [2019-10-13 23:14:56,318 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 901 923) no Hoare annotation was computed. [2019-10-13 23:14:56,318 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 53 62) no Hoare annotation was computed. [2019-10-13 23:14:56,318 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 53 62) no Hoare annotation was computed. [2019-10-13 23:14:56,318 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 285 387) no Hoare annotation was computed. [2019-10-13 23:14:56,318 INFO L443 ceAbstractionStarter]: For program point L314(lines 314 330) no Hoare annotation was computed. [2019-10-13 23:14:56,319 INFO L443 ceAbstractionStarter]: For program point L335(lines 334 354) no Hoare annotation was computed. [2019-10-13 23:14:56,319 INFO L443 ceAbstractionStarter]: For program point L366(line 366) no Hoare annotation was computed. [2019-10-13 23:14:56,319 INFO L443 ceAbstractionStarter]: For program point L366-1(line 366) no Hoare annotation was computed. [2019-10-13 23:14:56,319 INFO L443 ceAbstractionStarter]: For program point L331(lines 331 372) no Hoare annotation was computed. [2019-10-13 23:14:56,319 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 285 387) no Hoare annotation was computed. [2019-10-13 23:14:56,319 INFO L443 ceAbstractionStarter]: For program point L350(line 350) no Hoare annotation was computed. [2019-10-13 23:14:56,319 INFO L443 ceAbstractionStarter]: For program point L350-1(line 350) no Hoare annotation was computed. [2019-10-13 23:14:56,319 INFO L443 ceAbstractionStarter]: For program point L309(lines 309 313) no Hoare annotation was computed. [2019-10-13 23:14:56,320 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 285 387) no Hoare annotation was computed. [2019-10-13 23:14:56,320 INFO L443 ceAbstractionStarter]: For program point L334-2(lines 334 354) no Hoare annotation was computed. [2019-10-13 23:14:56,320 INFO L443 ceAbstractionStarter]: For program point L355(lines 333 356) no Hoare annotation was computed. [2019-10-13 23:14:56,320 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-13 23:14:56,320 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:14:56,320 INFO L439 ceAbstractionStarter]: At program point L721(line 721) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 activatePump_~tmp~8))) [2019-10-13 23:14:56,320 INFO L443 ceAbstractionStarter]: For program point L721-1(lines 710 726) no Hoare annotation was computed. [2019-10-13 23:14:56,320 INFO L443 ceAbstractionStarter]: For program point L717(lines 717 723) no Hoare annotation was computed. [2019-10-13 23:14:56,321 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 710 726) no Hoare annotation was computed. [2019-10-13 23:14:56,321 INFO L439 ceAbstractionStarter]: At program point L715(line 715) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= ~pumpRunning~0 0)) [2019-10-13 23:14:56,321 INFO L443 ceAbstractionStarter]: For program point L715-1(line 715) no Hoare annotation was computed. [2019-10-13 23:14:56,321 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 710 726) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= ~pumpRunning~0 0)) [2019-10-13 23:14:56,321 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 791 809) no Hoare annotation was computed. [2019-10-13 23:14:56,321 INFO L446 ceAbstractionStarter]: At program point L798(line 798) the Hoare annotation is: true [2019-10-13 23:14:56,321 INFO L443 ceAbstractionStarter]: For program point L798-1(line 798) no Hoare annotation was computed. [2019-10-13 23:14:56,322 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 791 809) the Hoare annotation is: true [2019-10-13 23:14:56,322 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 924 932) no Hoare annotation was computed. [2019-10-13 23:14:56,322 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 924 932) no Hoare annotation was computed. [2019-10-13 23:14:56,322 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:14:56,322 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 23:14:56,323 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 880 891) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (not (= |old(~methaneLevelCritical~0)| 0)))) (and (or (not (= 0 ~pumpRunning~0)) .cse0 .cse1) (or .cse0 (= ~systemActive~0 0) .cse1))) [2019-10-13 23:14:56,323 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 880 891) no Hoare annotation was computed. [2019-10-13 23:14:56,323 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 892 900) the Hoare annotation is: true [2019-10-13 23:14:56,323 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 892 900) no Hoare annotation was computed. [2019-10-13 23:14:56,323 INFO L439 ceAbstractionStarter]: At program point L606(line 606) the Hoare annotation is: (and (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 ~systemActive~0))) (or (= ~systemActive~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2019-10-13 23:14:56,323 INFO L439 ceAbstractionStarter]: At program point L604(lines 604 610) the Hoare annotation is: (let ((.cse1 (and (= 0 ~methaneLevelCritical~0) (not (= 0 ~systemActive~0)))) (.cse0 (= ~pumpRunning~0 0))) (and (or .cse0 (= ~systemActive~0 0) .cse1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse1 .cse0))) [2019-10-13 23:14:56,324 INFO L439 ceAbstractionStarter]: At program point L599(line 599) the Hoare annotation is: (and (not (= 0 |old(~pumpRunning~0)|)) (or (= ~systemActive~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2019-10-13 23:14:56,324 INFO L443 ceAbstractionStarter]: For program point L597(lines 596 615) no Hoare annotation was computed. [2019-10-13 23:14:56,324 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 593 616) the Hoare annotation is: (and (or (= ~systemActive~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0))) [2019-10-13 23:14:56,324 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 593 616) no Hoare annotation was computed. [2019-10-13 23:14:56,324 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 593 616) no Hoare annotation was computed. [2019-10-13 23:14:56,324 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 483 512) no Hoare annotation was computed. [2019-10-13 23:14:56,324 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 483 512) the Hoare annotation is: true [2019-10-13 23:14:56,324 INFO L446 ceAbstractionStarter]: At program point L508(lines 483 512) the Hoare annotation is: true [2019-10-13 23:14:56,324 INFO L443 ceAbstractionStarter]: For program point L504(line 504) no Hoare annotation was computed. [2019-10-13 23:14:56,325 INFO L443 ceAbstractionStarter]: For program point L497(lines 497 501) no Hoare annotation was computed. [2019-10-13 23:14:56,325 INFO L446 ceAbstractionStarter]: At program point L497-1(lines 497 501) the Hoare annotation is: true [2019-10-13 23:14:56,325 INFO L446 ceAbstractionStarter]: At program point L493-2(lines 493 507) the Hoare annotation is: true [2019-10-13 23:14:56,325 INFO L446 ceAbstractionStarter]: At program point L489(line 489) the Hoare annotation is: true [2019-10-13 23:14:56,325 INFO L443 ceAbstractionStarter]: For program point L489-1(line 489) no Hoare annotation was computed. [2019-10-13 23:14:56,325 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 856 867) the Hoare annotation is: true [2019-10-13 23:14:56,325 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 856 867) no Hoare annotation was computed. [2019-10-13 23:14:56,325 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 540 546) no Hoare annotation was computed. [2019-10-13 23:14:56,326 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 540 546) the Hoare annotation is: true [2019-10-13 23:14:56,326 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:14:56,326 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-13 23:14:56,326 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 23:14:56,326 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 23:14:56,326 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 844 851) no Hoare annotation was computed. [2019-10-13 23:14:56,326 INFO L446 ceAbstractionStarter]: At program point startSystemENTRY(lines 844 851) the Hoare annotation is: true [2019-10-13 23:14:56,326 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 625 649) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 0)) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-10-13 23:14:56,326 INFO L439 ceAbstractionStarter]: At program point L639(line 639) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (= ~pumpRunning~0 0))) (and (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) .cse1 .cse0))) [2019-10-13 23:14:56,327 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 625 649) no Hoare annotation was computed. [2019-10-13 23:14:56,327 INFO L439 ceAbstractionStarter]: At program point L635(line 635) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (= ~pumpRunning~0 0))) (and (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) .cse1 .cse0))) [2019-10-13 23:14:56,327 INFO L443 ceAbstractionStarter]: For program point L633(lines 633 641) no Hoare annotation was computed. [2019-10-13 23:14:56,327 INFO L439 ceAbstractionStarter]: At program point L631(line 631) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (= ~pumpRunning~0 0))) (and (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) .cse1 .cse0))) [2019-10-13 23:14:56,327 INFO L443 ceAbstractionStarter]: For program point L631-1(line 631) no Hoare annotation was computed. [2019-10-13 23:14:56,327 INFO L443 ceAbstractionStarter]: For program point L629(lines 629 646) no Hoare annotation was computed. [2019-10-13 23:14:56,327 INFO L439 ceAbstractionStarter]: At program point L644(line 644) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-10-13 23:14:56,327 INFO L443 ceAbstractionStarter]: For program point L644-1(lines 625 649) no Hoare annotation was computed. [2019-10-13 23:14:56,328 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 868 879) no Hoare annotation was computed. [2019-10-13 23:14:56,328 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 868 879) the Hoare annotation is: true [2019-10-13 23:14:56,328 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2019-10-13 23:14:56,328 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2019-10-13 23:14:56,328 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-10-13 23:14:56,328 INFO L443 ceAbstractionStarter]: For program point L97(lines 97 110) no Hoare annotation was computed. [2019-10-13 23:14:56,328 INFO L443 ceAbstractionStarter]: For program point L97-1(lines 89 113) no Hoare annotation was computed. [2019-10-13 23:14:56,329 INFO L446 ceAbstractionStarter]: At program point L95(line 95) the Hoare annotation is: true [2019-10-13 23:14:56,329 INFO L443 ceAbstractionStarter]: For program point L95-1(line 95) no Hoare annotation was computed. [2019-10-13 23:14:56,329 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 89 113) the Hoare annotation is: true [2019-10-13 23:14:56,329 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 89 113) no Hoare annotation was computed. [2019-10-13 23:14:56,329 INFO L439 ceAbstractionStarter]: At program point L103(line 103) the Hoare annotation is: (and (or (= ~systemActive~0 0) (not (= ~methaneLevelCritical~0 0))) (not (= 0 ~pumpRunning~0))) [2019-10-13 23:14:56,329 INFO L443 ceAbstractionStarter]: For program point L101(lines 101 107) no Hoare annotation was computed. [2019-10-13 23:14:56,329 INFO L439 ceAbstractionStarter]: At program point L99(line 99) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~systemActive~0 0) .cse0) (or (not (= 0 ~pumpRunning~0)) .cse0))) [2019-10-13 23:14:56,330 INFO L443 ceAbstractionStarter]: For program point L99-1(line 99) no Hoare annotation was computed. [2019-10-13 23:14:56,344 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 11:14:56 BoogieIcfgContainer [2019-10-13 23:14:56,344 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 23:14:56,346 INFO L168 Benchmark]: Toolchain (without parser) took 13110.96 ms. Allocated memory was 146.3 MB in the beginning and 411.6 MB in the end (delta: 265.3 MB). Free memory was 102.8 MB in the beginning and 267.6 MB in the end (delta: -164.8 MB). Peak memory consumption was 228.6 MB. Max. memory is 7.1 GB. [2019-10-13 23:14:56,347 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 146.3 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-13 23:14:56,348 INFO L168 Benchmark]: CACSL2BoogieTranslator took 685.93 ms. Allocated memory was 146.3 MB in the beginning and 203.9 MB in the end (delta: 57.7 MB). Free memory was 102.6 MB in the beginning and 169.6 MB in the end (delta: -67.0 MB). Peak memory consumption was 21.9 MB. Max. memory is 7.1 GB. [2019-10-13 23:14:56,349 INFO L168 Benchmark]: Boogie Preprocessor took 112.22 ms. Allocated memory is still 203.9 MB. Free memory was 169.6 MB in the beginning and 165.0 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2019-10-13 23:14:56,350 INFO L168 Benchmark]: RCFGBuilder took 1914.81 ms. Allocated memory was 203.9 MB in the beginning and 234.9 MB in the end (delta: 30.9 MB). Free memory was 165.0 MB in the beginning and 138.1 MB in the end (delta: 26.9 MB). Peak memory consumption was 78.8 MB. Max. memory is 7.1 GB. [2019-10-13 23:14:56,351 INFO L168 Benchmark]: TraceAbstraction took 10392.58 ms. Allocated memory was 234.9 MB in the beginning and 411.6 MB in the end (delta: 176.7 MB). Free memory was 138.1 MB in the beginning and 267.6 MB in the end (delta: -129.5 MB). Peak memory consumption was 175.3 MB. Max. memory is 7.1 GB. [2019-10-13 23:14:56,356 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 146.3 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 685.93 ms. Allocated memory was 146.3 MB in the beginning and 203.9 MB in the end (delta: 57.7 MB). Free memory was 102.6 MB in the beginning and 169.6 MB in the end (delta: -67.0 MB). Peak memory consumption was 21.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 112.22 ms. Allocated memory is still 203.9 MB. Free memory was 169.6 MB in the beginning and 165.0 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1914.81 ms. Allocated memory was 203.9 MB in the beginning and 234.9 MB in the end (delta: 30.9 MB). Free memory was 165.0 MB in the beginning and 138.1 MB in the end (delta: 26.9 MB). Peak memory consumption was 78.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 10392.58 ms. Allocated memory was 234.9 MB in the beginning and 411.6 MB in the end (delta: 176.7 MB). Free memory was 138.1 MB in the beginning and 267.6 MB in the end (delta: -129.5 MB). Peak memory consumption was 175.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 493]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 966]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 483]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 967]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || (0 == splverifierCounter && pumpRunning == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((0 == methaneLevelCritical && 0 == splverifierCounter) && !(0 == systemActive)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 44 procedures, 209 locations, 1 error locations. Result: SAFE, OverallTime: 10.2s, OverallIterations: 7, TraceHistogramMax: 4, AutomataDifference: 3.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.4s, HoareTripleCheckerStatistics: 1175 SDtfs, 775 SDslu, 3761 SDs, 0 SdLazy, 1897 SolverSat, 150 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 579 GetRequests, 492 SyntacticMatches, 0 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 263 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1058occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 7 MinimizatonAttempts, 133 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 73 LocationsWithAnnotation, 2330 PreInvPairs, 2492 NumberOfFragments, 972 HoareAnnotationTreeSize, 2330 FomulaSimplifications, 2838 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 73 FomulaSimplificationsInter, 5188 FormulaSimplificationTreeSizeReductionInter, 1.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 719 NumberOfCodeBlocks, 719 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 949 ConstructedInterpolants, 0 QuantifiedInterpolants, 172407 SizeOfPredicates, 18 NumberOfNonLiveVariables, 1680 ConjunctsInSsa, 50 ConjunctsInUnsatCore, 11 InterpolantComputations, 7 PerfectInterpolantSequences, 132/141 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...