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 --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product63.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 21:20:07,793 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 21:20:07,796 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 21:20:07,808 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 21:20:07,809 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 21:20:07,810 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 21:20:07,811 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 21:20:07,813 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 21:20:07,815 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 21:20:07,816 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 21:20:07,817 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 21:20:07,818 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 21:20:07,818 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 21:20:07,819 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 21:20:07,820 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 21:20:07,822 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 21:20:07,822 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 21:20:07,823 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 21:20:07,825 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 21:20:07,827 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 21:20:07,829 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 21:20:07,830 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 21:20:07,831 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 21:20:07,832 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 21:20:07,834 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 21:20:07,834 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 21:20:07,834 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 21:20:07,835 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 21:20:07,836 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 21:20:07,837 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 21:20:07,837 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 21:20:07,838 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 21:20:07,839 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 21:20:07,839 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 21:20:07,840 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 21:20:07,841 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 21:20:07,841 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 21:20:07,842 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 21:20:07,842 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 21:20:07,843 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 21:20:07,844 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 21:20:07,844 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 21:20:07,859 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 21:20:07,859 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 21:20:07,860 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 21:20:07,861 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 21:20:07,861 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 21:20:07,861 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 21:20:07,861 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 21:20:07,861 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 21:20:07,862 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 21:20:07,862 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 21:20:07,862 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 21:20:07,862 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 21:20:07,862 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 21:20:07,863 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 21:20:07,863 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 21:20:07,864 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 21:20:07,865 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 21:20:07,865 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 21:20:07,865 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 21:20:07,865 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 21:20:07,866 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 21:20:07,866 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:20:07,866 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 21:20:07,866 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 21:20:07,867 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 21:20:07,867 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 21:20:07,867 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 21:20:07,867 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 21:20:07,867 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-13 21:20:08,140 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 21:20:08,154 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 21:20:08,165 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 21:20:08,166 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 21:20:08,167 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 21:20:08,167 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product63.cil.c [2019-10-13 21:20:08,242 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f5a37806/4e70a26f7a244b8b96dd9549ed74edd7/FLAG70d5e1759 [2019-10-13 21:20:08,812 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 21:20:08,813 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product63.cil.c [2019-10-13 21:20:08,834 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f5a37806/4e70a26f7a244b8b96dd9549ed74edd7/FLAG70d5e1759 [2019-10-13 21:20:09,110 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f5a37806/4e70a26f7a244b8b96dd9549ed74edd7 [2019-10-13 21:20:09,121 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 21:20:09,123 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 21:20:09,124 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 21:20:09,124 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 21:20:09,128 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 21:20:09,129 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:20:09" (1/1) ... [2019-10-13 21:20:09,132 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@790ce9f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:09, skipping insertion in model container [2019-10-13 21:20:09,132 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:20:09" (1/1) ... [2019-10-13 21:20:09,140 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 21:20:09,205 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 21:20:09,640 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:20:09,668 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 21:20:09,771 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:20:09,816 INFO L192 MainTranslator]: Completed translation [2019-10-13 21:20:09,817 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:09 WrapperNode [2019-10-13 21:20:09,817 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 21:20:09,818 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 21:20:09,818 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 21:20:09,818 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 21:20:09,829 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:09" (1/1) ... [2019-10-13 21:20:09,830 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:09" (1/1) ... [2019-10-13 21:20:09,849 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:09" (1/1) ... [2019-10-13 21:20:09,849 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:09" (1/1) ... [2019-10-13 21:20:09,877 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:09" (1/1) ... [2019-10-13 21:20:09,890 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:09" (1/1) ... [2019-10-13 21:20:09,898 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:09" (1/1) ... [2019-10-13 21:20:09,919 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 21:20:09,919 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 21:20:09,920 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 21:20:09,920 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 21:20:09,921 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:09" (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 21:20:09,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 21:20:09,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 21:20:09,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 21:20:09,990 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 21:20:09,990 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-13 21:20:09,990 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-13 21:20:09,990 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-10-13 21:20:09,990 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 21:20:09,990 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-13 21:20:09,991 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 21:20:09,991 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 21:20:09,991 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 21:20:09,991 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 21:20:09,991 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 21:20:09,992 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-13 21:20:09,992 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-13 21:20:09,992 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-13 21:20:09,992 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 21:20:09,992 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 21:20:09,992 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 21:20:09,993 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 21:20:09,993 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 21:20:09,993 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 21:20:09,993 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 21:20:09,993 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 21:20:09,993 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 21:20:09,994 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 21:20:09,994 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 21:20:09,994 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 21:20:09,994 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 21:20:09,994 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-10-13 21:20:09,994 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 21:20:09,995 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 21:20:09,995 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 21:20:09,995 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 21:20:09,995 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 21:20:09,995 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 21:20:09,995 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-13 21:20:09,995 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-13 21:20:09,996 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 21:20:09,996 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 21:20:09,996 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 21:20:09,996 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 21:20:09,996 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 21:20:09,996 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 21:20:09,997 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 21:20:09,997 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 21:20:09,997 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 21:20:09,997 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 21:20:09,997 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-13 21:20:09,997 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-13 21:20:09,997 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 21:20:09,998 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 21:20:09,998 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 21:20:09,998 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 21:20:09,998 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 21:20:09,998 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-13 21:20:09,998 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-10-13 21:20:09,999 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 21:20:09,999 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-13 21:20:09,999 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-13 21:20:09,999 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-13 21:20:09,999 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-13 21:20:09,999 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-10-13 21:20:10,000 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 21:20:10,000 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-13 21:20:10,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 21:20:10,000 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 21:20:10,000 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 21:20:10,000 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 21:20:10,001 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 21:20:10,001 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 21:20:10,001 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 21:20:10,001 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 21:20:10,001 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 21:20:10,001 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 21:20:10,001 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 21:20:10,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 21:20:10,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 21:20:10,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 21:20:10,002 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 21:20:10,002 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 21:20:10,002 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 21:20:10,003 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 21:20:10,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 21:20:10,003 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 21:20:10,003 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 21:20:10,003 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 21:20:10,003 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 21:20:10,004 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 21:20:10,004 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 21:20:10,004 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 21:20:10,004 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 21:20:10,004 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 21:20:10,004 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 21:20:10,005 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 21:20:10,005 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 21:20:10,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 21:20:10,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 21:20:10,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 21:20:11,136 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 21:20:11,136 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 21:20:11,138 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:20:11 BoogieIcfgContainer [2019-10-13 21:20:11,138 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 21:20:11,139 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 21:20:11,140 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 21:20:11,144 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 21:20:11,144 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:20:09" (1/3) ... [2019-10-13 21:20:11,145 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@582035c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:20:11, skipping insertion in model container [2019-10-13 21:20:11,145 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:09" (2/3) ... [2019-10-13 21:20:11,146 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@582035c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:20:11, skipping insertion in model container [2019-10-13 21:20:11,146 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:20:11" (3/3) ... [2019-10-13 21:20:11,148 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product63.cil.c [2019-10-13 21:20:11,160 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 21:20:11,170 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 21:20:11,183 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 21:20:11,215 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 21:20:11,215 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 21:20:11,215 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 21:20:11,215 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 21:20:11,216 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 21:20:11,216 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 21:20:11,216 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 21:20:11,216 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 21:20:11,241 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states. [2019-10-13 21:20:11,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-13 21:20:11,252 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:11,253 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:20:11,255 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:11,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:11,262 INFO L82 PathProgramCache]: Analyzing trace with hash -1613581470, now seen corresponding path program 1 times [2019-10-13 21:20:11,272 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:11,272 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886644175] [2019-10-13 21:20:11,273 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:11,273 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:11,273 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:11,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:11,621 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 21:20:11,622 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886644175] [2019-10-13 21:20:11,624 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:11,625 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 21:20:11,625 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188708262] [2019-10-13 21:20:11,634 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:20:11,637 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:11,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:20:11,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:20:11,670 INFO L87 Difference]: Start difference. First operand 199 states. Second operand 2 states. [2019-10-13 21:20:11,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:11,770 INFO L93 Difference]: Finished difference Result 312 states and 391 transitions. [2019-10-13 21:20:11,770 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:20:11,771 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-10-13 21:20:11,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:11,798 INFO L225 Difference]: With dead ends: 312 [2019-10-13 21:20:11,798 INFO L226 Difference]: Without dead ends: 156 [2019-10-13 21:20:11,807 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 21:20:11,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2019-10-13 21:20:11,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2019-10-13 21:20:11,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2019-10-13 21:20:11,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 187 transitions. [2019-10-13 21:20:11,901 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 187 transitions. Word has length 46 [2019-10-13 21:20:11,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:11,902 INFO L462 AbstractCegarLoop]: Abstraction has 156 states and 187 transitions. [2019-10-13 21:20:11,902 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:20:11,902 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 187 transitions. [2019-10-13 21:20:11,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-13 21:20:11,914 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:11,914 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 21:20:11,914 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:11,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:11,916 INFO L82 PathProgramCache]: Analyzing trace with hash -1476283687, now seen corresponding path program 1 times [2019-10-13 21:20:11,916 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:11,917 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483427946] [2019-10-13 21:20:11,917 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:11,917 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:11,917 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:12,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:12,138 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 21:20:12,139 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483427946] [2019-10-13 21:20:12,139 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:12,139 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:20:12,140 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361363424] [2019-10-13 21:20:12,141 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:20:12,142 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:12,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:20:12,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:20:12,143 INFO L87 Difference]: Start difference. First operand 156 states and 187 transitions. Second operand 3 states. [2019-10-13 21:20:12,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:12,172 INFO L93 Difference]: Finished difference Result 255 states and 305 transitions. [2019-10-13 21:20:12,172 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:20:12,172 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-10-13 21:20:12,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:12,178 INFO L225 Difference]: With dead ends: 255 [2019-10-13 21:20:12,178 INFO L226 Difference]: Without dead ends: 147 [2019-10-13 21:20:12,182 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 21:20:12,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2019-10-13 21:20:12,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2019-10-13 21:20:12,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2019-10-13 21:20:12,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 175 transitions. [2019-10-13 21:20:12,213 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 175 transitions. Word has length 47 [2019-10-13 21:20:12,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:12,213 INFO L462 AbstractCegarLoop]: Abstraction has 147 states and 175 transitions. [2019-10-13 21:20:12,213 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:20:12,214 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 175 transitions. [2019-10-13 21:20:12,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-13 21:20:12,219 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:12,219 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 21:20:12,219 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:12,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:12,220 INFO L82 PathProgramCache]: Analyzing trace with hash 474549322, now seen corresponding path program 1 times [2019-10-13 21:20:12,220 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:12,220 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134461289] [2019-10-13 21:20:12,222 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:12,222 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:12,223 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:12,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:12,392 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 21:20:12,392 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134461289] [2019-10-13 21:20:12,392 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:12,392 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 21:20:12,393 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452517918] [2019-10-13 21:20:12,394 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 21:20:12,394 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:12,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 21:20:12,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:20:12,395 INFO L87 Difference]: Start difference. First operand 147 states and 175 transitions. Second operand 7 states. [2019-10-13 21:20:13,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:13,029 INFO L93 Difference]: Finished difference Result 443 states and 543 transitions. [2019-10-13 21:20:13,029 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 21:20:13,029 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2019-10-13 21:20:13,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:13,034 INFO L225 Difference]: With dead ends: 443 [2019-10-13 21:20:13,034 INFO L226 Difference]: Without dead ends: 320 [2019-10-13 21:20:13,036 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 21:20:13,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2019-10-13 21:20:13,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 312. [2019-10-13 21:20:13,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 312 states. [2019-10-13 21:20:13,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 382 transitions. [2019-10-13 21:20:13,091 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 382 transitions. Word has length 51 [2019-10-13 21:20:13,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:13,092 INFO L462 AbstractCegarLoop]: Abstraction has 312 states and 382 transitions. [2019-10-13 21:20:13,092 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 21:20:13,092 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 382 transitions. [2019-10-13 21:20:13,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-13 21:20:13,094 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:13,094 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:20:13,095 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:13,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:13,095 INFO L82 PathProgramCache]: Analyzing trace with hash 912243430, now seen corresponding path program 1 times [2019-10-13 21:20:13,095 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:13,096 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926355213] [2019-10-13 21:20:13,096 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:13,096 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:13,096 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:13,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:13,196 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 21:20:13,196 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926355213] [2019-10-13 21:20:13,197 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:13,197 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 21:20:13,197 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699358113] [2019-10-13 21:20:13,198 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 21:20:13,198 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:13,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 21:20:13,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 21:20:13,199 INFO L87 Difference]: Start difference. First operand 312 states and 382 transitions. Second operand 6 states. [2019-10-13 21:20:13,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:13,485 INFO L93 Difference]: Finished difference Result 873 states and 1094 transitions. [2019-10-13 21:20:13,489 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:20:13,489 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2019-10-13 21:20:13,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:13,496 INFO L225 Difference]: With dead ends: 873 [2019-10-13 21:20:13,496 INFO L226 Difference]: Without dead ends: 585 [2019-10-13 21:20:13,498 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 21:20:13,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 585 states. [2019-10-13 21:20:13,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 585 to 579. [2019-10-13 21:20:13,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 579 states. [2019-10-13 21:20:13,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 579 states and 714 transitions. [2019-10-13 21:20:13,575 INFO L78 Accepts]: Start accepts. Automaton has 579 states and 714 transitions. Word has length 57 [2019-10-13 21:20:13,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:13,576 INFO L462 AbstractCegarLoop]: Abstraction has 579 states and 714 transitions. [2019-10-13 21:20:13,577 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 21:20:13,577 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 714 transitions. [2019-10-13 21:20:13,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-10-13 21:20:13,581 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:13,581 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:20:13,582 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:13,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:13,582 INFO L82 PathProgramCache]: Analyzing trace with hash -1983295510, now seen corresponding path program 1 times [2019-10-13 21:20:13,582 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:13,583 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200354063] [2019-10-13 21:20:13,583 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:13,583 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:13,583 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:13,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:13,706 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 21:20:13,706 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200354063] [2019-10-13 21:20:13,706 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:13,706 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 21:20:13,707 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849107140] [2019-10-13 21:20:13,708 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 21:20:13,708 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:13,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 21:20:13,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 21:20:13,709 INFO L87 Difference]: Start difference. First operand 579 states and 714 transitions. Second operand 6 states. [2019-10-13 21:20:14,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:14,028 INFO L93 Difference]: Finished difference Result 1364 states and 1744 transitions. [2019-10-13 21:20:14,028 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:20:14,028 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2019-10-13 21:20:14,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:14,038 INFO L225 Difference]: With dead ends: 1364 [2019-10-13 21:20:14,039 INFO L226 Difference]: Without dead ends: 809 [2019-10-13 21:20:14,042 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 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 21:20:14,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 809 states. [2019-10-13 21:20:14,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 809 to 791. [2019-10-13 21:20:14,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 791 states. [2019-10-13 21:20:14,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 791 states and 967 transitions. [2019-10-13 21:20:14,119 INFO L78 Accepts]: Start accepts. Automaton has 791 states and 967 transitions. Word has length 61 [2019-10-13 21:20:14,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:14,119 INFO L462 AbstractCegarLoop]: Abstraction has 791 states and 967 transitions. [2019-10-13 21:20:14,120 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 21:20:14,120 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 967 transitions. [2019-10-13 21:20:14,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-10-13 21:20:14,123 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:14,123 INFO L380 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1] [2019-10-13 21:20:14,123 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:14,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:14,124 INFO L82 PathProgramCache]: Analyzing trace with hash -575696431, now seen corresponding path program 1 times [2019-10-13 21:20:14,124 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:14,124 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027319448] [2019-10-13 21:20:14,124 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:14,125 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:14,125 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:14,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:14,218 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:20:14,219 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027319448] [2019-10-13 21:20:14,219 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:14,219 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 21:20:14,219 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949176327] [2019-10-13 21:20:14,220 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 21:20:14,220 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:14,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 21:20:14,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 21:20:14,221 INFO L87 Difference]: Start difference. First operand 791 states and 967 transitions. Second operand 6 states. [2019-10-13 21:20:14,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:14,280 INFO L93 Difference]: Finished difference Result 1586 states and 2014 transitions. [2019-10-13 21:20:14,281 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 21:20:14,281 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 103 [2019-10-13 21:20:14,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:14,290 INFO L225 Difference]: With dead ends: 1586 [2019-10-13 21:20:14,290 INFO L226 Difference]: Without dead ends: 819 [2019-10-13 21:20:14,294 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:20:14,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 819 states. [2019-10-13 21:20:14,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 819 to 811. [2019-10-13 21:20:14,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 811 states. [2019-10-13 21:20:14,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 811 states and 987 transitions. [2019-10-13 21:20:14,351 INFO L78 Accepts]: Start accepts. Automaton has 811 states and 987 transitions. Word has length 103 [2019-10-13 21:20:14,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:14,352 INFO L462 AbstractCegarLoop]: Abstraction has 811 states and 987 transitions. [2019-10-13 21:20:14,352 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 21:20:14,353 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 987 transitions. [2019-10-13 21:20:14,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-10-13 21:20:14,363 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:14,363 INFO L380 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1] [2019-10-13 21:20:14,364 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:14,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:14,364 INFO L82 PathProgramCache]: Analyzing trace with hash -928784813, now seen corresponding path program 1 times [2019-10-13 21:20:14,364 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:14,365 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948292441] [2019-10-13 21:20:14,365 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:14,365 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:14,365 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:14,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:14,512 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:20:14,513 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948292441] [2019-10-13 21:20:14,513 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:14,513 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-13 21:20:14,514 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116809574] [2019-10-13 21:20:14,515 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 21:20:14,516 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:14,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 21:20:14,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:20:14,516 INFO L87 Difference]: Start difference. First operand 811 states and 987 transitions. Second operand 8 states. [2019-10-13 21:20:14,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:14,601 INFO L93 Difference]: Finished difference Result 1626 states and 2054 transitions. [2019-10-13 21:20:14,601 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:20:14,602 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 103 [2019-10-13 21:20:14,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:14,608 INFO L225 Difference]: With dead ends: 1626 [2019-10-13 21:20:14,608 INFO L226 Difference]: Without dead ends: 839 [2019-10-13 21:20:14,611 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:20:14,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 839 states. [2019-10-13 21:20:14,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 839 to 827. [2019-10-13 21:20:14,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 827 states. [2019-10-13 21:20:14,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 827 states and 1003 transitions. [2019-10-13 21:20:14,682 INFO L78 Accepts]: Start accepts. Automaton has 827 states and 1003 transitions. Word has length 103 [2019-10-13 21:20:14,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:14,682 INFO L462 AbstractCegarLoop]: Abstraction has 827 states and 1003 transitions. [2019-10-13 21:20:14,682 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 21:20:14,683 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 1003 transitions. [2019-10-13 21:20:14,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-10-13 21:20:14,685 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:14,685 INFO L380 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1] [2019-10-13 21:20:14,686 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:14,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:14,686 INFO L82 PathProgramCache]: Analyzing trace with hash 204405780, now seen corresponding path program 1 times [2019-10-13 21:20:14,687 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:14,687 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174286702] [2019-10-13 21:20:14,688 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:14,688 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:14,688 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:14,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:14,780 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:20:14,780 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174286702] [2019-10-13 21:20:14,781 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:14,781 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 21:20:14,781 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759696594] [2019-10-13 21:20:14,782 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 21:20:14,782 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:14,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 21:20:14,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 21:20:14,783 INFO L87 Difference]: Start difference. First operand 827 states and 1003 transitions. Second operand 4 states. [2019-10-13 21:20:15,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:15,106 INFO L93 Difference]: Finished difference Result 2661 states and 3378 transitions. [2019-10-13 21:20:15,107 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-13 21:20:15,107 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 103 [2019-10-13 21:20:15,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:15,120 INFO L225 Difference]: With dead ends: 2661 [2019-10-13 21:20:15,120 INFO L226 Difference]: Without dead ends: 1858 [2019-10-13 21:20:15,124 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 21:20:15,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1858 states. [2019-10-13 21:20:15,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1858 to 1827. [2019-10-13 21:20:15,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1827 states. [2019-10-13 21:20:15,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1827 states to 1827 states and 2263 transitions. [2019-10-13 21:20:15,237 INFO L78 Accepts]: Start accepts. Automaton has 1827 states and 2263 transitions. Word has length 103 [2019-10-13 21:20:15,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:15,237 INFO L462 AbstractCegarLoop]: Abstraction has 1827 states and 2263 transitions. [2019-10-13 21:20:15,237 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 21:20:15,237 INFO L276 IsEmpty]: Start isEmpty. Operand 1827 states and 2263 transitions. [2019-10-13 21:20:15,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-10-13 21:20:15,242 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:15,242 INFO L380 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:20:15,242 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:15,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:15,243 INFO L82 PathProgramCache]: Analyzing trace with hash -796699686, now seen corresponding path program 1 times [2019-10-13 21:20:15,243 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:15,243 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209964832] [2019-10-13 21:20:15,243 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:15,243 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:15,244 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:15,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:15,429 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 21:20:15,429 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209964832] [2019-10-13 21:20:15,429 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1449895571] [2019-10-13 21:20:15,430 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 21:20:15,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:15,621 INFO L256 TraceCheckSpWp]: Trace formula consists of 785 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-13 21:20:15,632 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:20:15,826 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:20:15,826 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:20:17,167 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 21:20:17,167 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-13 21:20:17,168 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2019-10-13 21:20:17,168 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794434382] [2019-10-13 21:20:17,169 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 21:20:17,169 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:17,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 21:20:17,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-13 21:20:17,170 INFO L87 Difference]: Start difference. First operand 1827 states and 2263 transitions. Second operand 8 states. [2019-10-13 21:20:17,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:17,623 INFO L93 Difference]: Finished difference Result 3618 states and 4502 transitions. [2019-10-13 21:20:17,623 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:20:17,624 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 107 [2019-10-13 21:20:17,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:17,638 INFO L225 Difference]: With dead ends: 3618 [2019-10-13 21:20:17,639 INFO L226 Difference]: Without dead ends: 1815 [2019-10-13 21:20:17,646 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 196 SyntacticMatches, 8 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-13 21:20:17,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1815 states. [2019-10-13 21:20:17,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1815 to 1815. [2019-10-13 21:20:17,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1815 states. [2019-10-13 21:20:17,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1815 states to 1815 states and 2199 transitions. [2019-10-13 21:20:17,833 INFO L78 Accepts]: Start accepts. Automaton has 1815 states and 2199 transitions. Word has length 107 [2019-10-13 21:20:17,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:17,834 INFO L462 AbstractCegarLoop]: Abstraction has 1815 states and 2199 transitions. [2019-10-13 21:20:17,834 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 21:20:17,834 INFO L276 IsEmpty]: Start isEmpty. Operand 1815 states and 2199 transitions. [2019-10-13 21:20:17,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2019-10-13 21:20:17,842 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:17,842 INFO L380 BasicCegarLoop]: trace histogram [4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:20:18,047 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:20:18,047 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:18,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:18,048 INFO L82 PathProgramCache]: Analyzing trace with hash 649218157, now seen corresponding path program 1 times [2019-10-13 21:20:18,048 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:18,048 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411928860] [2019-10-13 21:20:18,049 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:18,049 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:18,049 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:18,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:18,235 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-10-13 21:20:18,235 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411928860] [2019-10-13 21:20:18,236 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1922259373] [2019-10-13 21:20:18,236 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 21:20:18,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:18,475 INFO L256 TraceCheckSpWp]: Trace formula consists of 944 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-13 21:20:18,493 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:20:18,657 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-13 21:20:18,658 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:20:19,289 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-10-13 21:20:19,290 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-13 21:20:19,290 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2019-10-13 21:20:19,290 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601358731] [2019-10-13 21:20:19,291 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 21:20:19,291 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:19,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 21:20:19,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-13 21:20:19,292 INFO L87 Difference]: Start difference. First operand 1815 states and 2199 transitions. Second operand 8 states. [2019-10-13 21:20:19,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:19,750 INFO L93 Difference]: Finished difference Result 3047 states and 3747 transitions. [2019-10-13 21:20:19,750 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:20:19,750 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 176 [2019-10-13 21:20:19,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:19,752 INFO L225 Difference]: With dead ends: 3047 [2019-10-13 21:20:19,752 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 21:20:19,762 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 365 GetRequests, 337 SyntacticMatches, 5 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-13 21:20:19,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 21:20:19,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 21:20:19,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 21:20:19,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 21:20:19,764 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 176 [2019-10-13 21:20:19,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:19,764 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 21:20:19,764 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 21:20:19,765 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 21:20:19,765 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 21:20:19,971 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:20:19,975 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 21:20:20,907 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 17 [2019-10-13 21:20:21,282 WARN L191 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 28 [2019-10-13 21:20:21,393 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 18 [2019-10-13 21:20:21,805 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 20 [2019-10-13 21:20:21,952 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 29 [2019-10-13 21:20:22,086 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 17 [2019-10-13 21:20:22,283 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 30 [2019-10-13 21:20:22,924 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 17 [2019-10-13 21:20:23,085 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 14 [2019-10-13 21:20:23,191 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 17 [2019-10-13 21:20:23,460 WARN L191 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 31 [2019-10-13 21:20:23,709 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 21 [2019-10-13 21:20:24,008 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 17 [2019-10-13 21:20:24,364 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 25 [2019-10-13 21:20:24,691 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 28 [2019-10-13 21:20:24,909 INFO L443 ceAbstractionStarter]: For program point L469(lines 469 473) no Hoare annotation was computed. [2019-10-13 21:20:24,909 INFO L443 ceAbstractionStarter]: For program point L469-1(lines 469 473) no Hoare annotation was computed. [2019-10-13 21:20:24,909 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 438 493) no Hoare annotation was computed. [2019-10-13 21:20:24,910 INFO L443 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2019-10-13 21:20:24,910 INFO L443 ceAbstractionStarter]: For program point L463-2(lines 463 484) no Hoare annotation was computed. [2019-10-13 21:20:24,910 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 438 493) no Hoare annotation was computed. [2019-10-13 21:20:24,910 INFO L443 ceAbstractionStarter]: For program point L485(lines 462 486) no Hoare annotation was computed. [2019-10-13 21:20:24,910 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 438 493) no Hoare annotation was computed. [2019-10-13 21:20:24,910 INFO L443 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2019-10-13 21:20:24,910 INFO L443 ceAbstractionStarter]: For program point L539-1(line 539) no Hoare annotation was computed. [2019-10-13 21:20:24,910 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 494 553) no Hoare annotation was computed. [2019-10-13 21:20:24,910 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 494 553) no Hoare annotation was computed. [2019-10-13 21:20:24,910 INFO L443 ceAbstractionStarter]: For program point L526(lines 526 530) no Hoare annotation was computed. [2019-10-13 21:20:24,910 INFO L443 ceAbstractionStarter]: For program point L526-1(lines 526 530) no Hoare annotation was computed. [2019-10-13 21:20:24,911 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 494 553) no Hoare annotation was computed. [2019-10-13 21:20:24,911 INFO L443 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2019-10-13 21:20:24,911 INFO L443 ceAbstractionStarter]: For program point L520-2(lines 520 545) no Hoare annotation was computed. [2019-10-13 21:20:24,911 INFO L443 ceAbstractionStarter]: For program point L546(lines 519 547) no Hoare annotation was computed. [2019-10-13 21:20:24,911 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 999 1005) the Hoare annotation is: true [2019-10-13 21:20:24,911 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 999 1005) no Hoare annotation was computed. [2019-10-13 21:20:24,912 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 1006 1014) no Hoare annotation was computed. [2019-10-13 21:20:24,912 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 1006 1014) the Hoare annotation is: true [2019-10-13 21:20:24,912 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 1006 1014) no Hoare annotation was computed. [2019-10-13 21:20:24,912 INFO L439 ceAbstractionStarter]: At program point L833(line 833) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:20:24,912 INFO L439 ceAbstractionStarter]: At program point L833-1(line 833) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:20:24,912 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 827 849) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:20:24,913 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 827 849) no Hoare annotation was computed. [2019-10-13 21:20:24,913 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 827 849) no Hoare annotation was computed. [2019-10-13 21:20:24,913 INFO L439 ceAbstractionStarter]: At program point L839(line 839) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= main_~tmp~10 ~systemActive~0) (= main_~tmp~10 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:20:24,913 INFO L439 ceAbstractionStarter]: At program point L839-1(line 839) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= main_~tmp~10 ~systemActive~0) (= main_~tmp~10 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:20:24,913 INFO L443 ceAbstractionStarter]: For program point L837(lines 837 844) no Hoare annotation was computed. [2019-10-13 21:20:24,914 INFO L443 ceAbstractionStarter]: For program point L837-1(lines 837 844) no Hoare annotation was computed. [2019-10-13 21:20:24,914 INFO L443 ceAbstractionStarter]: For program point L835(line 835) no Hoare annotation was computed. [2019-10-13 21:20:24,914 INFO L439 ceAbstractionStarter]: At program point L834(line 834) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:20:24,914 INFO L443 ceAbstractionStarter]: For program point L801(line 801) no Hoare annotation was computed. [2019-10-13 21:20:24,914 INFO L443 ceAbstractionStarter]: For program point L800(line 800) no Hoare annotation was computed. [2019-10-13 21:20:24,914 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 783 806) no Hoare annotation was computed. [2019-10-13 21:20:24,914 INFO L443 ceAbstractionStarter]: For program point L799(line 799) no Hoare annotation was computed. [2019-10-13 21:20:24,914 INFO L443 ceAbstractionStarter]: For program point L798(line 798) no Hoare annotation was computed. [2019-10-13 21:20:24,914 INFO L443 ceAbstractionStarter]: For program point L797(line 797) no Hoare annotation was computed. [2019-10-13 21:20:24,914 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 783 806) no Hoare annotation was computed. [2019-10-13 21:20:24,914 INFO L443 ceAbstractionStarter]: For program point L796(line 796) no Hoare annotation was computed. [2019-10-13 21:20:24,915 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 783 806) no Hoare annotation was computed. [2019-10-13 21:20:24,915 INFO L443 ceAbstractionStarter]: For program point L795(line 795) no Hoare annotation was computed. [2019-10-13 21:20:24,915 INFO L443 ceAbstractionStarter]: For program point L794(line 794) no Hoare annotation was computed. [2019-10-13 21:20:24,915 INFO L443 ceAbstractionStarter]: For program point L793(line 793) no Hoare annotation was computed. [2019-10-13 21:20:24,915 INFO L443 ceAbstractionStarter]: For program point L792(line 792) no Hoare annotation was computed. [2019-10-13 21:20:24,915 INFO L443 ceAbstractionStarter]: For program point L791(line 791) no Hoare annotation was computed. [2019-10-13 21:20:24,915 INFO L443 ceAbstractionStarter]: For program point L790(line 790) no Hoare annotation was computed. [2019-10-13 21:20:24,915 INFO L443 ceAbstractionStarter]: For program point L789(line 789) no Hoare annotation was computed. [2019-10-13 21:20:24,915 INFO L443 ceAbstractionStarter]: For program point L788(line 788) no Hoare annotation was computed. [2019-10-13 21:20:24,916 INFO L439 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1))) [2019-10-13 21:20:24,916 INFO L439 ceAbstractionStarter]: At program point L123(line 123) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1))) [2019-10-13 21:20:24,916 INFO L443 ceAbstractionStarter]: For program point L121(lines 121 129) no Hoare annotation was computed. [2019-10-13 21:20:24,916 INFO L439 ceAbstractionStarter]: At program point L119(line 119) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1))) [2019-10-13 21:20:24,916 INFO L443 ceAbstractionStarter]: For program point L119-1(line 119) no Hoare annotation was computed. [2019-10-13 21:20:24,916 INFO L443 ceAbstractionStarter]: For program point L117(lines 117 134) no Hoare annotation was computed. [2019-10-13 21:20:24,916 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 113 137) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or .cse2 (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1))) [2019-10-13 21:20:24,916 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 113 137) no Hoare annotation was computed. [2019-10-13 21:20:24,917 INFO L439 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= ~systemActive~0 0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or .cse1 (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse0))) [2019-10-13 21:20:24,917 INFO L443 ceAbstractionStarter]: For program point L132-1(lines 113 137) no Hoare annotation was computed. [2019-10-13 21:20:24,917 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 291 305) no Hoare annotation was computed. [2019-10-13 21:20:24,917 INFO L439 ceAbstractionStarter]: At program point L297(line 297) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 1 ~systemActive~0)) (.cse3 (not (= |old(~systemActive~0)| 1))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (= |old(~systemActive~0)| 0)) (.cse6 (not (= 0 ~systemActive~0)))) (and (or .cse0 .cse1) (or .cse2 .cse3 .cse4) (or .cse1 .cse4) (or .cse0 .cse2 .cse3) (or .cse5 .cse6 .cse4) (or .cse0 .cse5 .cse6))) [2019-10-13 21:20:24,917 INFO L443 ceAbstractionStarter]: For program point L295(lines 295 301) no Hoare annotation was computed. [2019-10-13 21:20:24,917 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 291 305) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (not (= |old(~systemActive~0)| 1))) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (= |old(~systemActive~0)| 0)) (.cse7 (not (= 0 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5) (or .cse3 .cse0 .cse1) (or .cse4 (or .cse5 .cse2)) (or .cse6 .cse7 .cse2) (or .cse3 .cse6 .cse7))) [2019-10-13 21:20:24,917 INFO L443 ceAbstractionStarter]: For program point stopSystemFINAL(lines 291 305) no Hoare annotation was computed. [2019-10-13 21:20:24,917 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 208 216) no Hoare annotation was computed. [2019-10-13 21:20:24,917 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 208 216) the Hoare annotation is: true [2019-10-13 21:20:24,918 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 208 216) no Hoare annotation was computed. [2019-10-13 21:20:24,918 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 272 290) the Hoare annotation is: true [2019-10-13 21:20:24,918 INFO L443 ceAbstractionStarter]: For program point L281(lines 281 285) no Hoare annotation was computed. [2019-10-13 21:20:24,918 INFO L446 ceAbstractionStarter]: At program point L279(line 279) the Hoare annotation is: true [2019-10-13 21:20:24,918 INFO L443 ceAbstractionStarter]: For program point L281-2(lines 281 285) no Hoare annotation was computed. [2019-10-13 21:20:24,918 INFO L443 ceAbstractionStarter]: For program point L279-1(line 279) no Hoare annotation was computed. [2019-10-13 21:20:24,918 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 272 290) no Hoare annotation was computed. [2019-10-13 21:20:24,918 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 272 290) no Hoare annotation was computed. [2019-10-13 21:20:24,918 INFO L443 ceAbstractionStarter]: For program point L224(lines 224 232) no Hoare annotation was computed. [2019-10-13 21:20:24,918 INFO L443 ceAbstractionStarter]: For program point L224-2(lines 224 232) no Hoare annotation was computed. [2019-10-13 21:20:24,918 INFO L443 ceAbstractionStarter]: For program point L247(line 247) no Hoare annotation was computed. [2019-10-13 21:20:24,918 INFO L443 ceAbstractionStarter]: For program point L247-1(line 247) no Hoare annotation was computed. [2019-10-13 21:20:24,919 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 217 252) no Hoare annotation was computed. [2019-10-13 21:20:24,919 INFO L443 ceAbstractionStarter]: For program point L236(lines 236 244) no Hoare annotation was computed. [2019-10-13 21:20:24,919 INFO L443 ceAbstractionStarter]: For program point L236-2(lines 236 244) no Hoare annotation was computed. [2019-10-13 21:20:24,919 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 217 252) no Hoare annotation was computed. [2019-10-13 21:20:24,919 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 217 252) no Hoare annotation was computed. [2019-10-13 21:20:24,919 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 992 998) no Hoare annotation was computed. [2019-10-13 21:20:24,919 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 992 998) the Hoare annotation is: true [2019-10-13 21:20:24,919 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 392 437) no Hoare annotation was computed. [2019-10-13 21:20:24,920 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 392 437) no Hoare annotation was computed. [2019-10-13 21:20:24,920 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 392 437) no Hoare annotation was computed. [2019-10-13 21:20:24,920 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 705 750) no Hoare annotation was computed. [2019-10-13 21:20:24,920 INFO L443 ceAbstractionStarter]: For program point L725(lines 725 732) no Hoare annotation was computed. [2019-10-13 21:20:24,920 INFO L443 ceAbstractionStarter]: For program point L719(lines 719 739) no Hoare annotation was computed. [2019-10-13 21:20:24,920 INFO L443 ceAbstractionStarter]: For program point L719-1(lines 719 739) no Hoare annotation was computed. [2019-10-13 21:20:24,920 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 705 750) no Hoare annotation was computed. [2019-10-13 21:20:24,920 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 705 750) no Hoare annotation was computed. [2019-10-13 21:20:24,921 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 814 823) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:20:24,921 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 814 823) no Hoare annotation was computed. [2019-10-13 21:20:24,921 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 814 823) no Hoare annotation was computed. [2019-10-13 21:20:24,921 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 197 207) the Hoare annotation is: true [2019-10-13 21:20:24,921 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 197 207) no Hoare annotation was computed. [2019-10-13 21:20:24,921 INFO L446 ceAbstractionStarter]: At program point L202(line 202) the Hoare annotation is: true [2019-10-13 21:20:24,922 INFO L443 ceAbstractionStarter]: For program point L202-1(line 202) no Hoare annotation was computed. [2019-10-13 21:20:24,922 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 197 207) no Hoare annotation was computed. [2019-10-13 21:20:24,922 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 189 196) the Hoare annotation is: true [2019-10-13 21:20:24,922 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 189 196) no Hoare annotation was computed. [2019-10-13 21:20:24,922 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 189 196) no Hoare annotation was computed. [2019-10-13 21:20:24,922 INFO L443 ceAbstractionStarter]: For program point L961(lines 961 967) no Hoare annotation was computed. [2019-10-13 21:20:24,922 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 957 970) no Hoare annotation was computed. [2019-10-13 21:20:24,922 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 957 970) the Hoare annotation is: true [2019-10-13 21:20:24,923 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 957 970) no Hoare annotation was computed. [2019-10-13 21:20:24,923 INFO L439 ceAbstractionStarter]: At program point L158(line 158) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (= ~pumpRunning~0 0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1))) [2019-10-13 21:20:24,923 INFO L443 ceAbstractionStarter]: For program point L158-1(lines 139 163) no Hoare annotation was computed. [2019-10-13 21:20:24,923 INFO L439 ceAbstractionStarter]: At program point L153(line 153) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0))) [2019-10-13 21:20:24,923 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 139 163) no Hoare annotation was computed. [2019-10-13 21:20:24,923 INFO L439 ceAbstractionStarter]: At program point L149(line 149) the Hoare annotation is: (let ((.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (<= ~methaneLevelCritical~0 processEnvironment_~tmp~2) .cse2 .cse1) (or .cse2 .cse0 .cse1))) [2019-10-13 21:20:24,924 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 139 163) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or .cse2 (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1))) [2019-10-13 21:20:24,924 INFO L443 ceAbstractionStarter]: For program point L147(lines 147 155) no Hoare annotation was computed. [2019-10-13 21:20:24,924 INFO L439 ceAbstractionStarter]: At program point L145(line 145) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1))) [2019-10-13 21:20:24,924 INFO L443 ceAbstractionStarter]: For program point L145-1(line 145) no Hoare annotation was computed. [2019-10-13 21:20:24,924 INFO L443 ceAbstractionStarter]: For program point L143(lines 143 160) no Hoare annotation was computed. [2019-10-13 21:20:24,924 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 79 85) no Hoare annotation was computed. [2019-10-13 21:20:24,925 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 79 85) the Hoare annotation is: true [2019-10-13 21:20:24,925 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 310 375) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:20:24,925 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 310 375) no Hoare annotation was computed. [2019-10-13 21:20:24,925 INFO L439 ceAbstractionStarter]: At program point L368(lines 319 369) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:20:24,925 INFO L439 ceAbstractionStarter]: At program point L358(line 358) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse4 (not (= 0 ~systemActive~0)))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2) (and .cse1 .cse3 .cse2) (not (= |old(~systemActive~0)| 1)) (and .cse1 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 .cse4))) [2019-10-13 21:20:24,925 INFO L443 ceAbstractionStarter]: For program point L356(lines 356 362) no Hoare annotation was computed. [2019-10-13 21:20:24,926 INFO L439 ceAbstractionStarter]: At program point L356-1(lines 350 363) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse3 .cse2) (not (= |old(~systemActive~0)| 1)) (and .cse1 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 .cse4))) [2019-10-13 21:20:24,926 INFO L443 ceAbstractionStarter]: For program point L321(lines 320 367) no Hoare annotation was computed. [2019-10-13 21:20:24,926 INFO L443 ceAbstractionStarter]: For program point L350(lines 350 363) no Hoare annotation was computed. [2019-10-13 21:20:24,926 INFO L439 ceAbstractionStarter]: At program point L342(line 342) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 (<= 1 ~methaneLevelCritical~0) .cse2) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 (not (= 0 ~systemActive~0))))) [2019-10-13 21:20:24,926 INFO L443 ceAbstractionStarter]: For program point L340(lines 340 346) no Hoare annotation was computed. [2019-10-13 21:20:24,926 INFO L443 ceAbstractionStarter]: For program point L340-1(lines 340 346) no Hoare annotation was computed. [2019-10-13 21:20:24,927 INFO L439 ceAbstractionStarter]: At program point L365(lines 320 367) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 (<= 1 ~methaneLevelCritical~0) .cse2) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 (not (= 0 ~systemActive~0))))) [2019-10-13 21:20:24,927 INFO L439 ceAbstractionStarter]: At program point L332(line 332) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 (<= 1 ~methaneLevelCritical~0) .cse2) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 (not (= 0 ~systemActive~0))))) [2019-10-13 21:20:24,927 INFO L443 ceAbstractionStarter]: For program point L330(lines 330 336) no Hoare annotation was computed. [2019-10-13 21:20:24,927 INFO L443 ceAbstractionStarter]: For program point L330-1(lines 330 336) no Hoare annotation was computed. [2019-10-13 21:20:24,927 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 310 375) no Hoare annotation was computed. [2019-10-13 21:20:24,927 INFO L443 ceAbstractionStarter]: For program point L322(lines 322 326) no Hoare annotation was computed. [2019-10-13 21:20:24,928 INFO L443 ceAbstractionStarter]: For program point L673(lines 673 693) no Hoare annotation was computed. [2019-10-13 21:20:24,928 INFO L443 ceAbstractionStarter]: For program point L673-1(lines 673 693) no Hoare annotation was computed. [2019-10-13 21:20:24,928 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 659 704) no Hoare annotation was computed. [2019-10-13 21:20:24,928 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 659 704) no Hoare annotation was computed. [2019-10-13 21:20:24,928 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 659 704) no Hoare annotation was computed. [2019-10-13 21:20:24,928 INFO L443 ceAbstractionStarter]: For program point L679(lines 679 686) no Hoare annotation was computed. [2019-10-13 21:20:24,928 INFO L439 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 164 171) the Hoare annotation is: (or (= ~waterLevel~0 1) (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 0)) [2019-10-13 21:20:24,929 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 164 171) no Hoare annotation was computed. [2019-10-13 21:20:24,929 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 164 171) no Hoare annotation was computed. [2019-10-13 21:20:24,929 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 971 979) no Hoare annotation was computed. [2019-10-13 21:20:24,929 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 971 979) the Hoare annotation is: true [2019-10-13 21:20:24,929 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 971 979) no Hoare annotation was computed. [2019-10-13 21:20:24,929 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 925 947) no Hoare annotation was computed. [2019-10-13 21:20:24,929 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 925 947) no Hoare annotation was computed. [2019-10-13 21:20:24,930 INFO L443 ceAbstractionStarter]: For program point L933(lines 933 941) no Hoare annotation was computed. [2019-10-13 21:20:24,930 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 925 947) no Hoare annotation was computed. [2019-10-13 21:20:24,930 INFO L443 ceAbstractionStarter]: For program point L933-2(lines 933 941) no Hoare annotation was computed. [2019-10-13 21:20:24,930 INFO L443 ceAbstractionStarter]: For program point L607(lines 607 611) no Hoare annotation was computed. [2019-10-13 21:20:24,930 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 556 658) no Hoare annotation was computed. [2019-10-13 21:20:24,930 INFO L443 ceAbstractionStarter]: For program point L605-2(lines 605 625) no Hoare annotation was computed. [2019-10-13 21:20:24,930 INFO L443 ceAbstractionStarter]: For program point L626(lines 604 627) no Hoare annotation was computed. [2019-10-13 21:20:24,930 INFO L443 ceAbstractionStarter]: For program point L585(lines 585 601) no Hoare annotation was computed. [2019-10-13 21:20:24,930 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 556 658) no Hoare annotation was computed. [2019-10-13 21:20:24,931 INFO L443 ceAbstractionStarter]: For program point L645(lines 645 652) no Hoare annotation was computed. [2019-10-13 21:20:24,931 INFO L443 ceAbstractionStarter]: For program point L606(lines 605 625) no Hoare annotation was computed. [2019-10-13 21:20:24,931 INFO L443 ceAbstractionStarter]: For program point L637(line 637) no Hoare annotation was computed. [2019-10-13 21:20:24,931 INFO L443 ceAbstractionStarter]: For program point L637-1(line 637) no Hoare annotation was computed. [2019-10-13 21:20:24,932 INFO L443 ceAbstractionStarter]: For program point L602(lines 602 643) no Hoare annotation was computed. [2019-10-13 21:20:24,932 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 556 658) no Hoare annotation was computed. [2019-10-13 21:20:24,932 INFO L443 ceAbstractionStarter]: For program point L621(line 621) no Hoare annotation was computed. [2019-10-13 21:20:24,932 INFO L443 ceAbstractionStarter]: For program point L621-1(line 621) no Hoare annotation was computed. [2019-10-13 21:20:24,932 INFO L443 ceAbstractionStarter]: For program point L580(lines 580 584) no Hoare annotation was computed. [2019-10-13 21:20:24,932 INFO L443 ceAbstractionStarter]: For program point L644(lines 644 655) no Hoare annotation was computed. [2019-10-13 21:20:24,932 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 982 991) no Hoare annotation was computed. [2019-10-13 21:20:24,933 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 982 991) no Hoare annotation was computed. [2019-10-13 21:20:24,933 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 982 991) no Hoare annotation was computed. [2019-10-13 21:20:24,934 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:20:24,934 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-10-13 21:20:24,934 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:20:24,934 INFO L439 ceAbstractionStarter]: At program point L177(line 177) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (= ~pumpRunning~0 0))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3))) [2019-10-13 21:20:24,934 INFO L443 ceAbstractionStarter]: For program point L177-1(line 177) no Hoare annotation was computed. [2019-10-13 21:20:24,934 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 172 188) no Hoare annotation was computed. [2019-10-13 21:20:24,934 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 172 188) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (= ~pumpRunning~0 0))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3))) [2019-10-13 21:20:24,935 INFO L439 ceAbstractionStarter]: At program point L183(line 183) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 0)) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2))) [2019-10-13 21:20:24,936 INFO L443 ceAbstractionStarter]: For program point L183-1(lines 172 188) no Hoare annotation was computed. [2019-10-13 21:20:24,936 INFO L443 ceAbstractionStarter]: For program point L179(lines 179 185) no Hoare annotation was computed. [2019-10-13 21:20:24,936 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 253 271) no Hoare annotation was computed. [2019-10-13 21:20:24,936 INFO L443 ceAbstractionStarter]: For program point L262(lines 262 266) no Hoare annotation was computed. [2019-10-13 21:20:24,936 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 253 271) the Hoare annotation is: true [2019-10-13 21:20:24,936 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 253 271) no Hoare annotation was computed. [2019-10-13 21:20:24,936 INFO L446 ceAbstractionStarter]: At program point L260(line 260) the Hoare annotation is: true [2019-10-13 21:20:24,936 INFO L443 ceAbstractionStarter]: For program point L262-2(lines 262 266) no Hoare annotation was computed. [2019-10-13 21:20:24,937 INFO L443 ceAbstractionStarter]: For program point L260-1(line 260) no Hoare annotation was computed. [2019-10-13 21:20:24,937 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 948 956) no Hoare annotation was computed. [2019-10-13 21:20:24,937 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 948 956) no Hoare annotation was computed. [2019-10-13 21:20:24,937 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 948 956) no Hoare annotation was computed. [2019-10-13 21:20:24,937 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 904 915) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse2 (not (= |old(~methaneLevelCritical~0)| 0)))) (and (or .cse0 .cse1 .cse2) (or (not (<= 1 |old(~methaneLevelCritical~0)|)) .cse0 (<= 1 ~methaneLevelCritical~0)) (or (= ~systemActive~0 0) .cse1 .cse2))) [2019-10-13 21:20:24,937 INFO L443 ceAbstractionStarter]: For program point L908-1(lines 904 915) no Hoare annotation was computed. [2019-10-13 21:20:24,937 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 904 915) no Hoare annotation was computed. [2019-10-13 21:20:24,938 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:20:24,938 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 21:20:24,938 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:20:24,938 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 916 924) the Hoare annotation is: true [2019-10-13 21:20:24,938 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 916 924) no Hoare annotation was computed. [2019-10-13 21:20:24,938 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 916 924) no Hoare annotation was computed. [2019-10-13 21:20:24,938 INFO L439 ceAbstractionStarter]: At program point L61(line 61) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-10-13 21:20:24,939 INFO L443 ceAbstractionStarter]: For program point L59(lines 58 77) no Hoare annotation was computed. [2019-10-13 21:20:24,939 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 55 78) the Hoare annotation is: (let ((.cse7 (= 1 ~waterLevel~0)) (.cse3 (= |old(~waterLevel~0)| 1))) (let ((.cse8 (not .cse3)) (.cse1 (= ~pumpRunning~0 0)) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (= ~systemActive~0 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not .cse7)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse2 .cse5) (or .cse6 .cse0 (and .cse7 .cse1) .cse8) (or .cse7 .cse0 .cse8 .cse2) (or .cse6 .cse3 .cse0 (and .cse5 .cse1)) (or .cse6 .cse3 .cse5 .cse4) (or .cse3 .cse0 .cse5 .cse2)))) [2019-10-13 21:20:24,939 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 55 78) no Hoare annotation was computed. [2019-10-13 21:20:24,940 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 55 78) no Hoare annotation was computed. [2019-10-13 21:20:24,940 INFO L439 ceAbstractionStarter]: At program point L68(line 68) the Hoare annotation is: (let ((.cse5 (= |old(~waterLevel~0)| 1)) (.cse7 (= 1 ~waterLevel~0)) (.cse8 (= ~pumpRunning~0 0)) (.cse9 (not (= 0 ~systemActive~0)))) (let ((.cse0 (and .cse7 .cse8 .cse9)) (.cse3 (not .cse5)) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse6 (and (not .cse7) .cse8 .cse9))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse0 .cse3 .cse4) (or .cse1 .cse5 .cse2 .cse6) (or .cse5 .cse2 .cse4 .cse6)))) [2019-10-13 21:20:24,941 INFO L439 ceAbstractionStarter]: At program point L66(lines 66 72) the Hoare annotation is: (let ((.cse9 (= 1 ~waterLevel~0))) (let ((.cse7 (not .cse9)) (.cse5 (= |old(~waterLevel~0)| 1)) (.cse8 (= ~pumpRunning~0 0))) (let ((.cse2 (and .cse9 .cse8)) (.cse3 (not .cse5)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (and .cse7 .cse8)) (.cse0 (not (<= 1 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse1 .cse3 .cse4) (or .cse5 .cse1 .cse6 .cse4 (and .cse7 (not (= 0 ~systemActive~0)))) (or .cse0 .cse5 .cse1 .cse6) (or .cse0 (= ~systemActive~0 0) .cse8))))) [2019-10-13 21:20:24,941 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 753 782) no Hoare annotation was computed. [2019-10-13 21:20:24,941 INFO L443 ceAbstractionStarter]: For program point L767(lines 767 771) no Hoare annotation was computed. [2019-10-13 21:20:24,941 INFO L446 ceAbstractionStarter]: At program point L767-1(lines 767 771) the Hoare annotation is: true [2019-10-13 21:20:24,942 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 753 782) the Hoare annotation is: true [2019-10-13 21:20:24,942 INFO L443 ceAbstractionStarter]: For program point L764(line 764) no Hoare annotation was computed. [2019-10-13 21:20:24,942 INFO L446 ceAbstractionStarter]: At program point L763-2(lines 763 777) the Hoare annotation is: true [2019-10-13 21:20:24,942 INFO L446 ceAbstractionStarter]: At program point L759(line 759) the Hoare annotation is: true [2019-10-13 21:20:24,942 INFO L443 ceAbstractionStarter]: For program point L759-1(line 759) no Hoare annotation was computed. [2019-10-13 21:20:24,942 INFO L446 ceAbstractionStarter]: At program point L778(lines 753 782) the Hoare annotation is: true [2019-10-13 21:20:24,942 INFO L443 ceAbstractionStarter]: For program point L774(line 774) no Hoare annotation was computed. [2019-10-13 21:20:24,942 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 880 891) the Hoare annotation is: true [2019-10-13 21:20:24,943 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 880 891) no Hoare annotation was computed. [2019-10-13 21:20:24,943 INFO L443 ceAbstractionStarter]: For program point L884-1(lines 880 891) no Hoare annotation was computed. [2019-10-13 21:20:24,943 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 807 813) no Hoare annotation was computed. [2019-10-13 21:20:24,943 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 807 813) the Hoare annotation is: true [2019-10-13 21:20:24,943 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:20:24,943 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-13 21:20:24,943 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 21:20:24,943 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:20:24,944 INFO L439 ceAbstractionStarter]: At program point L97(line 97) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (and (not (= 1 ~waterLevel~0)) (= ~pumpRunning~0 0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2019-10-13 21:20:24,944 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 87 111) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or .cse2 (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1))) [2019-10-13 21:20:24,944 INFO L443 ceAbstractionStarter]: For program point L95(lines 95 103) no Hoare annotation was computed. [2019-10-13 21:20:24,944 INFO L439 ceAbstractionStarter]: At program point L93(line 93) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= ~systemActive~0 0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or .cse1 (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse0))) [2019-10-13 21:20:24,944 INFO L443 ceAbstractionStarter]: For program point L93-1(line 93) no Hoare annotation was computed. [2019-10-13 21:20:24,944 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 87 111) no Hoare annotation was computed. [2019-10-13 21:20:24,945 INFO L443 ceAbstractionStarter]: For program point L91(lines 91 108) no Hoare annotation was computed. [2019-10-13 21:20:24,945 INFO L439 ceAbstractionStarter]: At program point L106(line 106) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1))) [2019-10-13 21:20:24,945 INFO L443 ceAbstractionStarter]: For program point L106-1(lines 87 111) no Hoare annotation was computed. [2019-10-13 21:20:24,945 INFO L439 ceAbstractionStarter]: At program point L101(line 101) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~0) (= ~pumpRunning~0 0)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2019-10-13 21:20:24,946 INFO L443 ceAbstractionStarter]: For program point L896-1(lines 892 903) no Hoare annotation was computed. [2019-10-13 21:20:24,946 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 892 903) no Hoare annotation was computed. [2019-10-13 21:20:24,946 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 892 903) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (= 1 ~waterLevel~0)) (.cse2 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse0 .cse2))) [2019-10-13 21:20:24,946 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 377 384) no Hoare annotation was computed. [2019-10-13 21:20:24,946 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 381) no Hoare annotation was computed. [2019-10-13 21:20:24,946 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 377 384) the Hoare annotation is: true [2019-10-13 21:20:24,946 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 377 384) no Hoare annotation was computed. [2019-10-13 21:20:24,947 INFO L439 ceAbstractionStarter]: At program point L865(line 865) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= 0 ~pumpRunning~0)))) (and (or (= ~systemActive~0 0) .cse0) (or .cse1 .cse0) (or (not (<= 1 ~methaneLevelCritical~0)) .cse1))) [2019-10-13 21:20:24,947 INFO L443 ceAbstractionStarter]: For program point L863(lines 863 869) no Hoare annotation was computed. [2019-10-13 21:20:24,947 INFO L439 ceAbstractionStarter]: At program point L861(line 861) 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 21:20:24,947 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 851 875) the Hoare annotation is: true [2019-10-13 21:20:24,947 INFO L443 ceAbstractionStarter]: For program point L861-1(line 861) no Hoare annotation was computed. [2019-10-13 21:20:24,947 INFO L443 ceAbstractionStarter]: For program point L859(lines 859 872) no Hoare annotation was computed. [2019-10-13 21:20:24,947 INFO L443 ceAbstractionStarter]: For program point L859-1(lines 851 875) no Hoare annotation was computed. [2019-10-13 21:20:24,950 INFO L446 ceAbstractionStarter]: At program point L857(line 857) the Hoare annotation is: true [2019-10-13 21:20:24,950 INFO L443 ceAbstractionStarter]: For program point L857-1(line 857) no Hoare annotation was computed. [2019-10-13 21:20:24,950 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 851 875) no Hoare annotation was computed. [2019-10-13 21:20:24,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 09:20:24 BoogieIcfgContainer [2019-10-13 21:20:24,979 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 21:20:24,981 INFO L168 Benchmark]: Toolchain (without parser) took 15858.14 ms. Allocated memory was 137.9 MB in the beginning and 470.8 MB in the end (delta: 332.9 MB). Free memory was 100.5 MB in the beginning and 236.2 MB in the end (delta: -135.7 MB). Peak memory consumption was 350.2 MB. Max. memory is 7.1 GB. [2019-10-13 21:20:24,982 INFO L168 Benchmark]: CDTParser took 1.05 ms. Allocated memory is still 137.9 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-10-13 21:20:24,987 INFO L168 Benchmark]: CACSL2BoogieTranslator took 693.40 ms. Allocated memory was 137.9 MB in the beginning and 201.9 MB in the end (delta: 64.0 MB). Free memory was 100.3 MB in the beginning and 169.5 MB in the end (delta: -69.2 MB). Peak memory consumption was 29.0 MB. Max. memory is 7.1 GB. [2019-10-13 21:20:24,988 INFO L168 Benchmark]: Boogie Preprocessor took 100.85 ms. Allocated memory is still 201.9 MB. Free memory was 169.5 MB in the beginning and 164.8 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2019-10-13 21:20:24,989 INFO L168 Benchmark]: RCFGBuilder took 1219.01 ms. Allocated memory was 201.9 MB in the beginning and 233.8 MB in the end (delta: 32.0 MB). Free memory was 164.8 MB in the beginning and 193.3 MB in the end (delta: -28.5 MB). Peak memory consumption was 83.7 MB. Max. memory is 7.1 GB. [2019-10-13 21:20:24,991 INFO L168 Benchmark]: TraceAbstraction took 13839.56 ms. Allocated memory was 233.8 MB in the beginning and 470.8 MB in the end (delta: 237.0 MB). Free memory was 193.3 MB in the beginning and 236.2 MB in the end (delta: -42.9 MB). Peak memory consumption was 347.0 MB. Max. memory is 7.1 GB. [2019-10-13 21:20:24,999 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.05 ms. Allocated memory is still 137.9 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 693.40 ms. Allocated memory was 137.9 MB in the beginning and 201.9 MB in the end (delta: 64.0 MB). Free memory was 100.3 MB in the beginning and 169.5 MB in the end (delta: -69.2 MB). Peak memory consumption was 29.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 100.85 ms. Allocated memory is still 201.9 MB. Free memory was 169.5 MB in the beginning and 164.8 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1219.01 ms. Allocated memory was 201.9 MB in the beginning and 233.8 MB in the end (delta: 32.0 MB). Free memory was 164.8 MB in the beginning and 193.3 MB in the end (delta: -28.5 MB). Peak memory consumption was 83.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 13839.56 ms. Allocated memory was 233.8 MB in the beginning and 470.8 MB in the end (delta: 237.0 MB). Free memory was 193.3 MB in the beginning and 236.2 MB in the end (delta: -42.9 MB). Peak memory consumption was 347.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 381]: 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: 319]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 320]: Loop Invariant Derived loop invariant: (((((((0 == methaneLevelCritical && 0 == splverifierCounter) && pumpRunning == 0) || !(0 == \old(pumpRunning))) || ((0 == splverifierCounter && 1 <= methaneLevelCritical) && pumpRunning == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((0 == methaneLevelCritical && 0 == splverifierCounter) && !(0 == systemActive)) - InvariantResult [Line: 763]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 753]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 258 locations, 1 error locations. Result: SAFE, OverallTime: 13.7s, OverallIterations: 10, TraceHistogramMax: 4, AutomataDifference: 2.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.9s, HoareTripleCheckerStatistics: 2207 SDtfs, 1071 SDslu, 6077 SDs, 0 SdLazy, 1181 SolverSat, 98 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 657 GetRequests, 562 SyntacticMatches, 13 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1827occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 10 MinimizatonAttempts, 83 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 71 LocationsWithAnnotation, 3726 PreInvPairs, 3953 NumberOfFragments, 1702 HoareAnnotationTreeSize, 3726 FomulaSimplifications, 2439 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 71 FomulaSimplificationsInter, 14066 FormulaSimplificationTreeSizeReductionInter, 4.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 1137 NumberOfCodeBlocks, 1137 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1406 ConstructedInterpolants, 0 QuantifiedInterpolants, 253361 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1729 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 14 InterpolantComputations, 10 PerfectInterpolantSequences, 166/174 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...