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 -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product57.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-02 14:20:13,810 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-02 14:20:13,815 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-02 14:20:13,833 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-02 14:20:13,833 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-02 14:20:13,835 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-02 14:20:13,837 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-02 14:20:13,842 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-02 14:20:13,843 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-02 14:20:13,844 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-02 14:20:13,845 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-02 14:20:13,850 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-02 14:20:13,851 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-02 14:20:13,852 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-02 14:20:13,854 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-02 14:20:13,855 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-02 14:20:13,855 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-02 14:20:13,856 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-02 14:20:13,858 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-02 14:20:13,859 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-02 14:20:13,861 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-02 14:20:13,862 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-02 14:20:13,863 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-02 14:20:13,863 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-02 14:20:13,866 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-02 14:20:13,866 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-02 14:20:13,866 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-02 14:20:13,867 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-02 14:20:13,867 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-02 14:20:13,868 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-02 14:20:13,868 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-02 14:20:13,869 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-02 14:20:13,870 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-02 14:20:13,870 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-02 14:20:13,871 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-02 14:20:13,871 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-02 14:20:13,872 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-02 14:20:13,872 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-02 14:20:13,872 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-02 14:20:13,873 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-02 14:20:13,874 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-02 14:20:13,875 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 [2019-10-02 14:20:13,889 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-02 14:20:13,889 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-02 14:20:13,890 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-02 14:20:13,890 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-02 14:20:13,891 INFO L138 SettingsManager]: * Use SBE=true [2019-10-02 14:20:13,891 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-02 14:20:13,891 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-02 14:20:13,891 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-02 14:20:13,892 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-02 14:20:13,892 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-02 14:20:13,892 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-02 14:20:13,892 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-02 14:20:13,892 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-02 14:20:13,893 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-02 14:20:13,893 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-02 14:20:13,893 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-02 14:20:13,893 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-02 14:20:13,893 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-02 14:20:13,894 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-02 14:20:13,894 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-02 14:20:13,894 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-02 14:20:13,894 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-02 14:20:13,894 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-02 14:20:13,895 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-02 14:20:13,895 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-02 14:20:13,895 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-02 14:20:13,895 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-02 14:20:13,896 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-02 14:20:13,896 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-02 14:20:13,923 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-02 14:20:13,935 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-02 14:20:13,938 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-02 14:20:13,940 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-02 14:20:13,940 INFO L275 PluginConnector]: CDTParser initialized [2019-10-02 14:20:13,941 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product57.cil.c [2019-10-02 14:20:14,008 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4bbbdd291/5d1d3b67e0584e2f8b3815c558c2cb1c/FLAG906470f13 [2019-10-02 14:20:14,546 INFO L306 CDTParser]: Found 1 translation units. [2019-10-02 14:20:14,547 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product57.cil.c [2019-10-02 14:20:14,559 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4bbbdd291/5d1d3b67e0584e2f8b3815c558c2cb1c/FLAG906470f13 [2019-10-02 14:20:14,861 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4bbbdd291/5d1d3b67e0584e2f8b3815c558c2cb1c [2019-10-02 14:20:14,870 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-02 14:20:14,871 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-02 14:20:14,872 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-02 14:20:14,872 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-02 14:20:14,876 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-02 14:20:14,876 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 02:20:14" (1/1) ... [2019-10-02 14:20:14,879 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@337b8df9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:20:14, skipping insertion in model container [2019-10-02 14:20:14,879 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 02:20:14" (1/1) ... [2019-10-02 14:20:14,885 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-02 14:20:14,949 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-02 14:20:15,344 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 14:20:15,372 INFO L188 MainTranslator]: Completed pre-run [2019-10-02 14:20:15,481 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 14:20:15,523 INFO L192 MainTranslator]: Completed translation [2019-10-02 14:20:15,523 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:20:15 WrapperNode [2019-10-02 14:20:15,523 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-02 14:20:15,524 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-02 14:20:15,524 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-02 14:20:15,524 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-02 14:20:15,535 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:20:15" (1/1) ... [2019-10-02 14:20:15,535 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:20:15" (1/1) ... [2019-10-02 14:20:15,553 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:20:15" (1/1) ... [2019-10-02 14:20:15,553 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:20:15" (1/1) ... [2019-10-02 14:20:15,594 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:20:15" (1/1) ... [2019-10-02 14:20:15,606 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:20:15" (1/1) ... [2019-10-02 14:20:15,612 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:20:15" (1/1) ... [2019-10-02 14:20:15,620 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-02 14:20:15,620 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-02 14:20:15,620 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-02 14:20:15,621 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-02 14:20:15,621 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:20:15" (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 [2019-10-02 14:20:15,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-02 14:20:15,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-02 14:20:15,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-02 14:20:15,687 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-10-02 14:20:15,687 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-02 14:20:15,687 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-02 14:20:15,687 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-02 14:20:15,688 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-02 14:20:15,688 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-02 14:20:15,688 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-02 14:20:15,688 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-02 14:20:15,688 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-02 14:20:15,688 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-02 14:20:15,689 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-02 14:20:15,689 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-02 14:20:15,689 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-02 14:20:15,689 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-02 14:20:15,689 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-02 14:20:15,689 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-02 14:20:15,690 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-02 14:20:15,690 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-02 14:20:15,690 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-02 14:20:15,690 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-02 14:20:15,690 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-02 14:20:15,690 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-02 14:20:15,691 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-02 14:20:15,691 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-02 14:20:15,691 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-02 14:20:15,691 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-02 14:20:15,691 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-02 14:20:15,691 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-02 14:20:15,692 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-02 14:20:15,692 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-02 14:20:15,692 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-02 14:20:15,692 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-02 14:20:15,692 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-02 14:20:15,692 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-02 14:20:15,693 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-02 14:20:15,693 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-02 14:20:15,693 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-02 14:20:15,693 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-02 14:20:15,693 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-02 14:20:15,693 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-02 14:20:15,693 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-02 14:20:15,694 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-02 14:20:15,694 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-02 14:20:15,694 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-02 14:20:15,694 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-10-02 14:20:15,694 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-02 14:20:15,694 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-02 14:20:15,695 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-02 14:20:15,695 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-02 14:20:15,695 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-02 14:20:15,695 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-02 14:20:15,695 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-02 14:20:15,695 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-02 14:20:15,696 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-02 14:20:15,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-02 14:20:15,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-02 14:20:15,696 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-02 14:20:15,696 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-02 14:20:15,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-02 14:20:15,696 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-02 14:20:15,697 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-02 14:20:15,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-02 14:20:15,697 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-02 14:20:15,697 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-02 14:20:15,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-02 14:20:15,698 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-02 14:20:15,698 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-02 14:20:15,698 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-02 14:20:15,698 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-02 14:20:15,698 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-02 14:20:15,698 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-02 14:20:15,699 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-02 14:20:15,699 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-02 14:20:15,699 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-02 14:20:15,699 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-02 14:20:15,699 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-02 14:20:15,699 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-02 14:20:15,700 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-02 14:20:15,700 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-02 14:20:15,700 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-02 14:20:15,700 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-02 14:20:15,700 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-02 14:20:15,700 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-02 14:20:15,700 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-02 14:20:15,701 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-02 14:20:15,701 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-02 14:20:15,701 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-02 14:20:15,701 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-02 14:20:15,701 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-02 14:20:15,701 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-02 14:20:15,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-02 14:20:15,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-02 14:20:15,702 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-02 14:20:16,767 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-02 14:20:16,767 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-02 14:20:16,768 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 02:20:16 BoogieIcfgContainer [2019-10-02 14:20:16,769 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-02 14:20:16,770 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-02 14:20:16,770 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-02 14:20:16,773 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-02 14:20:16,773 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.10 02:20:14" (1/3) ... [2019-10-02 14:20:16,774 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f9dc69a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 02:20:16, skipping insertion in model container [2019-10-02 14:20:16,774 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:20:15" (2/3) ... [2019-10-02 14:20:16,775 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f9dc69a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 02:20:16, skipping insertion in model container [2019-10-02 14:20:16,775 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 02:20:16" (3/3) ... [2019-10-02 14:20:16,777 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product57.cil.c [2019-10-02 14:20:16,786 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-02 14:20:16,794 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-02 14:20:16,810 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-02 14:20:16,839 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-10-02 14:20:16,839 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-02 14:20:16,840 INFO L378 AbstractCegarLoop]: Hoare is true [2019-10-02 14:20:16,840 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-02 14:20:16,840 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-02 14:20:16,840 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-02 14:20:16,840 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-02 14:20:16,840 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-02 14:20:16,841 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-02 14:20:16,862 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states. [2019-10-02 14:20:16,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-02 14:20:16,871 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:20:16,872 INFO L411 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] [2019-10-02 14:20:16,874 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:20:16,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:20:16,880 INFO L82 PathProgramCache]: Analyzing trace with hash 135364863, now seen corresponding path program 1 times [2019-10-02 14:20:16,882 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:20:16,883 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:20:16,930 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:20:16,931 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:20:16,931 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:20:17,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:20:17,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 14:20:17,239 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 14:20:17,241 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-02 14:20:17,246 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-02 14:20:17,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-02 14:20:17,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-02 14:20:17,267 INFO L87 Difference]: Start difference. First operand 183 states. Second operand 2 states. [2019-10-02 14:20:17,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:20:17,327 INFO L93 Difference]: Finished difference Result 280 states and 345 transitions. [2019-10-02 14:20:17,327 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-02 14:20:17,329 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-10-02 14:20:17,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:20:17,341 INFO L225 Difference]: With dead ends: 280 [2019-10-02 14:20:17,341 INFO L226 Difference]: Without dead ends: 140 [2019-10-02 14:20:17,345 INFO L640 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 [2019-10-02 14:20:17,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2019-10-02 14:20:17,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2019-10-02 14:20:17,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2019-10-02 14:20:17,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 164 transitions. [2019-10-02 14:20:17,396 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 164 transitions. Word has length 46 [2019-10-02 14:20:17,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:20:17,397 INFO L475 AbstractCegarLoop]: Abstraction has 140 states and 164 transitions. [2019-10-02 14:20:17,397 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-02 14:20:17,397 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 164 transitions. [2019-10-02 14:20:17,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-02 14:20:17,400 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:20:17,401 INFO L411 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] [2019-10-02 14:20:17,401 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:20:17,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:20:17,401 INFO L82 PathProgramCache]: Analyzing trace with hash 327228860, now seen corresponding path program 1 times [2019-10-02 14:20:17,401 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:20:17,402 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:20:17,404 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:20:17,404 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:20:17,405 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:20:17,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:20:17,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 14:20:17,516 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 14:20:17,516 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 14:20:17,518 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 14:20:17,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 14:20:17,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 14:20:17,519 INFO L87 Difference]: Start difference. First operand 140 states and 164 transitions. Second operand 3 states. [2019-10-02 14:20:17,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:20:17,554 INFO L93 Difference]: Finished difference Result 229 states and 267 transitions. [2019-10-02 14:20:17,556 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 14:20:17,556 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-10-02 14:20:17,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:20:17,559 INFO L225 Difference]: With dead ends: 229 [2019-10-02 14:20:17,559 INFO L226 Difference]: Without dead ends: 131 [2019-10-02 14:20:17,561 INFO L640 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 [2019-10-02 14:20:17,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2019-10-02 14:20:17,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2019-10-02 14:20:17,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2019-10-02 14:20:17,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 152 transitions. [2019-10-02 14:20:17,576 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 152 transitions. Word has length 47 [2019-10-02 14:20:17,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:20:17,577 INFO L475 AbstractCegarLoop]: Abstraction has 131 states and 152 transitions. [2019-10-02 14:20:17,577 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 14:20:17,577 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 152 transitions. [2019-10-02 14:20:17,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-02 14:20:17,579 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:20:17,579 INFO L411 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] [2019-10-02 14:20:17,579 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:20:17,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:20:17,580 INFO L82 PathProgramCache]: Analyzing trace with hash -207054876, now seen corresponding path program 1 times [2019-10-02 14:20:17,580 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:20:17,580 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:20:17,582 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:20:17,583 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:20:17,583 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:20:17,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:20:17,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 14:20:17,709 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 14:20:17,709 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-02 14:20:17,710 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-02 14:20:17,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-02 14:20:17,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-02 14:20:17,711 INFO L87 Difference]: Start difference. First operand 131 states and 152 transitions. Second operand 7 states. [2019-10-02 14:20:18,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:20:18,066 INFO L93 Difference]: Finished difference Result 238 states and 281 transitions. [2019-10-02 14:20:18,066 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-02 14:20:18,066 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2019-10-02 14:20:18,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:20:18,068 INFO L225 Difference]: With dead ends: 238 [2019-10-02 14:20:18,068 INFO L226 Difference]: Without dead ends: 131 [2019-10-02 14:20:18,070 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-02 14:20:18,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2019-10-02 14:20:18,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2019-10-02 14:20:18,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2019-10-02 14:20:18,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 151 transitions. [2019-10-02 14:20:18,089 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 151 transitions. Word has length 51 [2019-10-02 14:20:18,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:20:18,089 INFO L475 AbstractCegarLoop]: Abstraction has 131 states and 151 transitions. [2019-10-02 14:20:18,089 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-02 14:20:18,090 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 151 transitions. [2019-10-02 14:20:18,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-10-02 14:20:18,092 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:20:18,092 INFO L411 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, 1, 1, 1] [2019-10-02 14:20:18,093 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:20:18,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:20:18,093 INFO L82 PathProgramCache]: Analyzing trace with hash 1468702982, now seen corresponding path program 1 times [2019-10-02 14:20:18,093 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:20:18,093 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:20:18,096 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:20:18,096 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:20:18,096 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:20:18,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:20:18,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 14:20:18,223 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 14:20:18,224 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 14:20:18,224 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 14:20:18,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 14:20:18,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 14:20:18,225 INFO L87 Difference]: Start difference. First operand 131 states and 151 transitions. Second operand 5 states. [2019-10-02 14:20:18,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:20:18,733 INFO L93 Difference]: Finished difference Result 334 states and 401 transitions. [2019-10-02 14:20:18,733 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-02 14:20:18,734 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2019-10-02 14:20:18,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:20:18,737 INFO L225 Difference]: With dead ends: 334 [2019-10-02 14:20:18,737 INFO L226 Difference]: Without dead ends: 227 [2019-10-02 14:20:18,738 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-02 14:20:18,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2019-10-02 14:20:18,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 209. [2019-10-02 14:20:18,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 209 states. [2019-10-02 14:20:18,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 238 transitions. [2019-10-02 14:20:18,779 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 238 transitions. Word has length 64 [2019-10-02 14:20:18,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:20:18,780 INFO L475 AbstractCegarLoop]: Abstraction has 209 states and 238 transitions. [2019-10-02 14:20:18,780 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 14:20:18,780 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 238 transitions. [2019-10-02 14:20:18,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-10-02 14:20:18,788 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:20:18,788 INFO L411 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 14:20:18,789 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:20:18,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:20:18,792 INFO L82 PathProgramCache]: Analyzing trace with hash -1930431345, now seen corresponding path program 1 times [2019-10-02 14:20:18,793 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:20:18,793 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:20:18,801 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:20:18,801 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:20:18,801 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:20:18,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:20:18,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 14:20:18,956 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 14:20:18,956 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-02 14:20:18,957 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-02 14:20:18,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-02 14:20:18,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-02 14:20:18,957 INFO L87 Difference]: Start difference. First operand 209 states and 238 transitions. Second operand 6 states. [2019-10-02 14:20:19,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:20:19,158 INFO L93 Difference]: Finished difference Result 564 states and 664 transitions. [2019-10-02 14:20:19,158 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-02 14:20:19,158 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 78 [2019-10-02 14:20:19,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:20:19,167 INFO L225 Difference]: With dead ends: 564 [2019-10-02 14:20:19,167 INFO L226 Difference]: Without dead ends: 379 [2019-10-02 14:20:19,169 INFO L640 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 [2019-10-02 14:20:19,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2019-10-02 14:20:19,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 373. [2019-10-02 14:20:19,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 373 states. [2019-10-02 14:20:19,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 426 transitions. [2019-10-02 14:20:19,226 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 426 transitions. Word has length 78 [2019-10-02 14:20:19,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:20:19,226 INFO L475 AbstractCegarLoop]: Abstraction has 373 states and 426 transitions. [2019-10-02 14:20:19,226 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-02 14:20:19,227 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 426 transitions. [2019-10-02 14:20:19,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-10-02 14:20:19,229 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:20:19,229 INFO L411 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 14:20:19,229 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:20:19,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:20:19,230 INFO L82 PathProgramCache]: Analyzing trace with hash -613018165, now seen corresponding path program 1 times [2019-10-02 14:20:19,230 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:20:19,230 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:20:19,233 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:20:19,233 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:20:19,233 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:20:19,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:20:19,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 14:20:19,383 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 14:20:19,383 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-02 14:20:19,384 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-02 14:20:19,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-02 14:20:19,385 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-02 14:20:19,385 INFO L87 Difference]: Start difference. First operand 373 states and 426 transitions. Second operand 7 states. [2019-10-02 14:20:19,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:20:19,983 INFO L93 Difference]: Finished difference Result 406 states and 476 transitions. [2019-10-02 14:20:19,984 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-02 14:20:19,984 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 82 [2019-10-02 14:20:19,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:20:19,988 INFO L225 Difference]: With dead ends: 406 [2019-10-02 14:20:19,988 INFO L226 Difference]: Without dead ends: 403 [2019-10-02 14:20:19,992 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-02 14:20:19,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2019-10-02 14:20:20,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 373. [2019-10-02 14:20:20,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 373 states. [2019-10-02 14:20:20,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 425 transitions. [2019-10-02 14:20:20,023 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 425 transitions. Word has length 82 [2019-10-02 14:20:20,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:20:20,023 INFO L475 AbstractCegarLoop]: Abstraction has 373 states and 425 transitions. [2019-10-02 14:20:20,024 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-02 14:20:20,024 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 425 transitions. [2019-10-02 14:20:20,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-10-02 14:20:20,025 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:20:20,025 INFO L411 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] [2019-10-02 14:20:20,026 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:20:20,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:20:20,026 INFO L82 PathProgramCache]: Analyzing trace with hash -1664141551, now seen corresponding path program 1 times [2019-10-02 14:20:20,026 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:20:20,026 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:20:20,029 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:20:20,029 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:20:20,029 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:20:20,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:20:20,090 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-02 14:20:20,090 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 14:20:20,090 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-02 14:20:20,091 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-02 14:20:20,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-02 14:20:20,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-02 14:20:20,091 INFO L87 Difference]: Start difference. First operand 373 states and 425 transitions. Second operand 6 states. [2019-10-02 14:20:20,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:20:20,134 INFO L93 Difference]: Finished difference Result 736 states and 858 transitions. [2019-10-02 14:20:20,134 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-02 14:20:20,135 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 98 [2019-10-02 14:20:20,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:20:20,138 INFO L225 Difference]: With dead ends: 736 [2019-10-02 14:20:20,138 INFO L226 Difference]: Without dead ends: 387 [2019-10-02 14:20:20,139 INFO L640 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 [2019-10-02 14:20:20,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2019-10-02 14:20:20,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 383. [2019-10-02 14:20:20,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2019-10-02 14:20:20,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 435 transitions. [2019-10-02 14:20:20,162 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 435 transitions. Word has length 98 [2019-10-02 14:20:20,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:20:20,163 INFO L475 AbstractCegarLoop]: Abstraction has 383 states and 435 transitions. [2019-10-02 14:20:20,163 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-02 14:20:20,163 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 435 transitions. [2019-10-02 14:20:20,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-10-02 14:20:20,164 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:20:20,165 INFO L411 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] [2019-10-02 14:20:20,165 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:20:20,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:20:20,165 INFO L82 PathProgramCache]: Analyzing trace with hash -770655213, now seen corresponding path program 1 times [2019-10-02 14:20:20,165 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:20:20,166 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:20:20,168 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:20:20,168 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:20:20,168 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:20:20,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:20:20,242 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-02 14:20:20,243 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 14:20:20,243 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-02 14:20:20,243 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-02 14:20:20,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-02 14:20:20,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-02 14:20:20,244 INFO L87 Difference]: Start difference. First operand 383 states and 435 transitions. Second operand 8 states. [2019-10-02 14:20:20,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:20:20,286 INFO L93 Difference]: Finished difference Result 756 states and 880 transitions. [2019-10-02 14:20:20,289 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-02 14:20:20,289 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 98 [2019-10-02 14:20:20,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:20:20,293 INFO L225 Difference]: With dead ends: 756 [2019-10-02 14:20:20,293 INFO L226 Difference]: Without dead ends: 397 [2019-10-02 14:20:20,296 INFO L640 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 [2019-10-02 14:20:20,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2019-10-02 14:20:20,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 391. [2019-10-02 14:20:20,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 391 states. [2019-10-02 14:20:20,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 443 transitions. [2019-10-02 14:20:20,321 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 443 transitions. Word has length 98 [2019-10-02 14:20:20,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:20:20,322 INFO L475 AbstractCegarLoop]: Abstraction has 391 states and 443 transitions. [2019-10-02 14:20:20,322 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-02 14:20:20,322 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 443 transitions. [2019-10-02 14:20:20,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-10-02 14:20:20,325 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:20:20,326 INFO L411 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] [2019-10-02 14:20:20,326 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:20:20,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:20:20,326 INFO L82 PathProgramCache]: Analyzing trace with hash -778414572, now seen corresponding path program 1 times [2019-10-02 14:20:20,326 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:20:20,327 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:20:20,354 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:20:20,354 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:20:20,354 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:20:20,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:20:20,422 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-02 14:20:20,422 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 14:20:20,422 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-02 14:20:20,423 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-02 14:20:20,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-02 14:20:20,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-02 14:20:20,423 INFO L87 Difference]: Start difference. First operand 391 states and 443 transitions. Second operand 4 states. [2019-10-02 14:20:20,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:20:20,619 INFO L93 Difference]: Finished difference Result 1153 states and 1376 transitions. [2019-10-02 14:20:20,620 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-02 14:20:20,620 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 98 [2019-10-02 14:20:20,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:20:20,626 INFO L225 Difference]: With dead ends: 1153 [2019-10-02 14:20:20,626 INFO L226 Difference]: Without dead ends: 786 [2019-10-02 14:20:20,628 INFO L640 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 [2019-10-02 14:20:20,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 786 states. [2019-10-02 14:20:20,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 786 to 771. [2019-10-02 14:20:20,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 771 states. [2019-10-02 14:20:20,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 771 states and 901 transitions. [2019-10-02 14:20:20,683 INFO L78 Accepts]: Start accepts. Automaton has 771 states and 901 transitions. Word has length 98 [2019-10-02 14:20:20,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:20:20,686 INFO L475 AbstractCegarLoop]: Abstraction has 771 states and 901 transitions. [2019-10-02 14:20:20,686 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-02 14:20:20,686 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 901 transitions. [2019-10-02 14:20:20,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-10-02 14:20:20,688 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:20:20,689 INFO L411 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] [2019-10-02 14:20:20,689 INFO L418 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:20:20,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:20:20,689 INFO L82 PathProgramCache]: Analyzing trace with hash 469491758, now seen corresponding path program 1 times [2019-10-02 14:20:20,689 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:20:20,689 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:20:20,692 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:20:20,692 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:20:20,692 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:20:20,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:20:20,858 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-02 14:20:20,859 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 14:20:20,859 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 14:20:20,934 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:20:21,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:20:21,058 INFO L256 TraceCheckSpWp]: Trace formula consists of 763 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-02 14:20:21,074 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 14:20:21,307 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 14:20:21,314 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-02 14:20:21,315 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2019-10-02 14:20:21,316 INFO L454 AbstractCegarLoop]: Interpolant automaton has 19 states [2019-10-02 14:20:21,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2019-10-02 14:20:21,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2019-10-02 14:20:21,317 INFO L87 Difference]: Start difference. First operand 771 states and 901 transitions. Second operand 19 states. [2019-10-02 14:20:22,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:20:22,554 INFO L93 Difference]: Finished difference Result 1488 states and 1759 transitions. [2019-10-02 14:20:22,554 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-10-02 14:20:22,555 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 102 [2019-10-02 14:20:22,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:20:22,559 INFO L225 Difference]: With dead ends: 1488 [2019-10-02 14:20:22,559 INFO L226 Difference]: Without dead ends: 741 [2019-10-02 14:20:22,562 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 97 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2019-10-02 14:20:22,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2019-10-02 14:20:22,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 741. [2019-10-02 14:20:22,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 741 states. [2019-10-02 14:20:22,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 741 states to 741 states and 852 transitions. [2019-10-02 14:20:22,603 INFO L78 Accepts]: Start accepts. Automaton has 741 states and 852 transitions. Word has length 102 [2019-10-02 14:20:22,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:20:22,603 INFO L475 AbstractCegarLoop]: Abstraction has 741 states and 852 transitions. [2019-10-02 14:20:22,604 INFO L476 AbstractCegarLoop]: Interpolant automaton has 19 states. [2019-10-02 14:20:22,604 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states and 852 transitions. [2019-10-02 14:20:22,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2019-10-02 14:20:22,607 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:20:22,607 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-10-02 14:20:22,607 INFO L418 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:20:22,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:20:22,608 INFO L82 PathProgramCache]: Analyzing trace with hash -102866443, now seen corresponding path program 1 times [2019-10-02 14:20:22,608 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:20:22,608 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:20:22,610 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:20:22,610 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:20:22,611 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:20:22,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:20:22,693 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 21 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-02 14:20:22,693 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 14:20:22,693 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 14:20:22,766 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:20:22,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:20:22,891 INFO L256 TraceCheckSpWp]: Trace formula consists of 891 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-02 14:20:22,898 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 14:20:22,987 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-02 14:20:22,992 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-02 14:20:22,993 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2019-10-02 14:20:22,993 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-02 14:20:22,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-02 14:20:22,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-02 14:20:22,994 INFO L87 Difference]: Start difference. First operand 741 states and 852 transitions. Second operand 6 states. [2019-10-02 14:20:23,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:20:23,679 INFO L93 Difference]: Finished difference Result 1605 states and 1938 transitions. [2019-10-02 14:20:23,679 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-02 14:20:23,679 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 159 [2019-10-02 14:20:23,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:20:23,686 INFO L225 Difference]: With dead ends: 1605 [2019-10-02 14:20:23,686 INFO L226 Difference]: Without dead ends: 1008 [2019-10-02 14:20:23,688 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-10-02 14:20:23,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1008 states. [2019-10-02 14:20:23,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1008 to 913. [2019-10-02 14:20:23,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 913 states. [2019-10-02 14:20:23,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 913 states to 913 states and 1068 transitions. [2019-10-02 14:20:23,750 INFO L78 Accepts]: Start accepts. Automaton has 913 states and 1068 transitions. Word has length 159 [2019-10-02 14:20:23,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:20:23,750 INFO L475 AbstractCegarLoop]: Abstraction has 913 states and 1068 transitions. [2019-10-02 14:20:23,750 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-02 14:20:23,750 INFO L276 IsEmpty]: Start isEmpty. Operand 913 states and 1068 transitions. [2019-10-02 14:20:23,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-10-02 14:20:23,754 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:20:23,754 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-10-02 14:20:23,754 INFO L418 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:20:23,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:20:23,755 INFO L82 PathProgramCache]: Analyzing trace with hash 1698521745, now seen corresponding path program 1 times [2019-10-02 14:20:23,755 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:20:23,755 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:20:23,757 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:20:23,757 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:20:23,757 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:20:23,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:20:23,975 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-02 14:20:23,976 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 14:20:23,976 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 14:20:24,038 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:20:24,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:20:24,154 INFO L256 TraceCheckSpWp]: Trace formula consists of 884 conjuncts, 15 conjunts are in the unsatisfiable core [2019-10-02 14:20:24,170 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 14:20:24,338 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-02 14:20:24,342 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-02 14:20:24,343 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [10] total 16 [2019-10-02 14:20:24,344 INFO L454 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-10-02 14:20:24,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-10-02 14:20:24,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2019-10-02 14:20:24,345 INFO L87 Difference]: Start difference. First operand 913 states and 1068 transitions. Second operand 16 states. [2019-10-02 14:20:26,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:20:26,673 INFO L93 Difference]: Finished difference Result 2777 states and 3546 transitions. [2019-10-02 14:20:26,673 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2019-10-02 14:20:26,673 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 155 [2019-10-02 14:20:26,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:20:26,686 INFO L225 Difference]: With dead ends: 2777 [2019-10-02 14:20:26,686 INFO L226 Difference]: Without dead ends: 2012 [2019-10-02 14:20:26,690 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=198, Invalid=672, Unknown=0, NotChecked=0, Total=870 [2019-10-02 14:20:26,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2012 states. [2019-10-02 14:20:26,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2012 to 1729. [2019-10-02 14:20:26,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1729 states. [2019-10-02 14:20:26,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1729 states to 1729 states and 2019 transitions. [2019-10-02 14:20:26,812 INFO L78 Accepts]: Start accepts. Automaton has 1729 states and 2019 transitions. Word has length 155 [2019-10-02 14:20:26,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:20:26,812 INFO L475 AbstractCegarLoop]: Abstraction has 1729 states and 2019 transitions. [2019-10-02 14:20:26,813 INFO L476 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-10-02 14:20:26,813 INFO L276 IsEmpty]: Start isEmpty. Operand 1729 states and 2019 transitions. [2019-10-02 14:20:26,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-10-02 14:20:26,815 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:20:26,816 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-10-02 14:20:26,816 INFO L418 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:20:26,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:20:26,816 INFO L82 PathProgramCache]: Analyzing trace with hash 1973281359, now seen corresponding path program 1 times [2019-10-02 14:20:26,816 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:20:26,816 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:20:26,820 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:20:26,820 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:20:26,820 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:20:26,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:20:26,927 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-10-02 14:20:26,928 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 14:20:26,928 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-02 14:20:26,930 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-02 14:20:26,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-02 14:20:26,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-10-02 14:20:26,931 INFO L87 Difference]: Start difference. First operand 1729 states and 2019 transitions. Second operand 9 states. [2019-10-02 14:20:27,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:20:27,021 INFO L93 Difference]: Finished difference Result 2139 states and 2492 transitions. [2019-10-02 14:20:27,021 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-02 14:20:27,021 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 155 [2019-10-02 14:20:27,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:20:27,023 INFO L225 Difference]: With dead ends: 2139 [2019-10-02 14:20:27,024 INFO L226 Difference]: Without dead ends: 0 [2019-10-02 14:20:27,028 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-10-02 14:20:27,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-02 14:20:27,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-02 14:20:27,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-02 14:20:27,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-02 14:20:27,030 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 155 [2019-10-02 14:20:27,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:20:27,030 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-02 14:20:27,030 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-02 14:20:27,030 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-02 14:20:27,030 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-02 14:20:27,037 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-02 14:20:27,933 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 19 [2019-10-02 14:20:28,299 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 31 [2019-10-02 14:20:28,567 WARN L191 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 40 [2019-10-02 14:20:28,774 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 30 [2019-10-02 14:20:29,046 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 36 [2019-10-02 14:20:29,167 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 30 [2019-10-02 14:20:29,290 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 26 [2019-10-02 14:20:29,543 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 31 [2019-10-02 14:20:29,665 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 30 [2019-10-02 14:20:29,826 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 29 [2019-10-02 14:20:29,998 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 29 [2019-10-02 14:20:30,245 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 29 [2019-10-02 14:20:30,490 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 32 [2019-10-02 14:20:30,763 WARN L191 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 38 [2019-10-02 14:20:30,888 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 24 [2019-10-02 14:20:31,090 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 30 [2019-10-02 14:20:31,479 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 32 [2019-10-02 14:20:31,671 INFO L443 ceAbstractionStarter]: For program point L190(lines 190 194) no Hoare annotation was computed. [2019-10-02 14:20:31,671 INFO L443 ceAbstractionStarter]: For program point L190-1(lines 190 194) no Hoare annotation was computed. [2019-10-02 14:20:31,671 INFO L443 ceAbstractionStarter]: For program point L185(line 185) no Hoare annotation was computed. [2019-10-02 14:20:31,671 INFO L443 ceAbstractionStarter]: For program point L184-2(lines 184 205) no Hoare annotation was computed. [2019-10-02 14:20:31,672 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 159 214) no Hoare annotation was computed. [2019-10-02 14:20:31,672 INFO L443 ceAbstractionStarter]: For program point L206(lines 183 207) no Hoare annotation was computed. [2019-10-02 14:20:31,672 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 159 214) no Hoare annotation was computed. [2019-10-02 14:20:31,672 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 159 214) no Hoare annotation was computed. [2019-10-02 14:20:31,672 INFO L443 ceAbstractionStarter]: For program point L247(lines 247 251) no Hoare annotation was computed. [2019-10-02 14:20:31,672 INFO L443 ceAbstractionStarter]: For program point L247-1(lines 247 251) no Hoare annotation was computed. [2019-10-02 14:20:31,672 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 215 274) no Hoare annotation was computed. [2019-10-02 14:20:31,672 INFO L443 ceAbstractionStarter]: For program point L242(line 242) no Hoare annotation was computed. [2019-10-02 14:20:31,673 INFO L443 ceAbstractionStarter]: For program point L241-2(lines 241 266) no Hoare annotation was computed. [2019-10-02 14:20:31,673 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 215 274) no Hoare annotation was computed. [2019-10-02 14:20:31,673 INFO L443 ceAbstractionStarter]: For program point L267(lines 240 268) no Hoare annotation was computed. [2019-10-02 14:20:31,673 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 215 274) no Hoare annotation was computed. [2019-10-02 14:20:31,673 INFO L443 ceAbstractionStarter]: For program point L260(line 260) no Hoare annotation was computed. [2019-10-02 14:20:31,673 INFO L443 ceAbstractionStarter]: For program point L260-1(line 260) no Hoare annotation was computed. [2019-10-02 14:20:31,673 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 90 96) the Hoare annotation is: true [2019-10-02 14:20:31,674 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 90 96) no Hoare annotation was computed. [2019-10-02 14:20:31,674 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 97 105) no Hoare annotation was computed. [2019-10-02 14:20:31,674 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 97 105) the Hoare annotation is: true [2019-10-02 14:20:31,674 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 97 105) no Hoare annotation was computed. [2019-10-02 14:20:31,674 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 836 858) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-02 14:20:31,674 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 836 858) no Hoare annotation was computed. [2019-10-02 14:20:31,675 INFO L439 ceAbstractionStarter]: At program point L848(line 848) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0) (= main_~tmp~10 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-02 14:20:31,675 INFO L439 ceAbstractionStarter]: At program point L848-1(line 848) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0) (= main_~tmp~10 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-02 14:20:31,675 INFO L443 ceAbstractionStarter]: For program point L846(lines 846 853) no Hoare annotation was computed. [2019-10-02 14:20:31,675 INFO L443 ceAbstractionStarter]: For program point L846-1(lines 846 853) no Hoare annotation was computed. [2019-10-02 14:20:31,675 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 836 858) no Hoare annotation was computed. [2019-10-02 14:20:31,675 INFO L443 ceAbstractionStarter]: For program point L844(line 844) no Hoare annotation was computed. [2019-10-02 14:20:31,676 INFO L439 ceAbstractionStarter]: At program point L843(line 843) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-02 14:20:31,676 INFO L439 ceAbstractionStarter]: At program point L842(line 842) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-02 14:20:31,676 INFO L439 ceAbstractionStarter]: At program point L842-1(line 842) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-02 14:20:31,676 INFO L443 ceAbstractionStarter]: For program point L801(line 801) no Hoare annotation was computed. [2019-10-02 14:20:31,676 INFO L443 ceAbstractionStarter]: For program point L800(line 800) no Hoare annotation was computed. [2019-10-02 14:20:31,676 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 795 818) no Hoare annotation was computed. [2019-10-02 14:20:31,676 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 795 818) no Hoare annotation was computed. [2019-10-02 14:20:31,677 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 795 818) no Hoare annotation was computed. [2019-10-02 14:20:31,677 INFO L443 ceAbstractionStarter]: For program point L813(line 813) no Hoare annotation was computed. [2019-10-02 14:20:31,677 INFO L443 ceAbstractionStarter]: For program point L812(line 812) no Hoare annotation was computed. [2019-10-02 14:20:31,677 INFO L443 ceAbstractionStarter]: For program point L811(line 811) no Hoare annotation was computed. [2019-10-02 14:20:31,677 INFO L443 ceAbstractionStarter]: For program point L810(line 810) no Hoare annotation was computed. [2019-10-02 14:20:31,677 INFO L443 ceAbstractionStarter]: For program point L809(line 809) no Hoare annotation was computed. [2019-10-02 14:20:31,677 INFO L443 ceAbstractionStarter]: For program point L808(line 808) no Hoare annotation was computed. [2019-10-02 14:20:31,678 INFO L443 ceAbstractionStarter]: For program point L807(line 807) no Hoare annotation was computed. [2019-10-02 14:20:31,678 INFO L443 ceAbstractionStarter]: For program point L806(line 806) no Hoare annotation was computed. [2019-10-02 14:20:31,678 INFO L443 ceAbstractionStarter]: For program point L805(line 805) no Hoare annotation was computed. [2019-10-02 14:20:31,678 INFO L443 ceAbstractionStarter]: For program point L804(line 804) no Hoare annotation was computed. [2019-10-02 14:20:31,678 INFO L443 ceAbstractionStarter]: For program point L803(line 803) no Hoare annotation was computed. [2019-10-02 14:20:31,678 INFO L443 ceAbstractionStarter]: For program point L802(line 802) no Hoare annotation was computed. [2019-10-02 14:20:31,678 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 680 688) no Hoare annotation was computed. [2019-10-02 14:20:31,678 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 680 688) the Hoare annotation is: true [2019-10-02 14:20:31,678 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 680 688) no Hoare annotation was computed. [2019-10-02 14:20:31,679 INFO L443 ceAbstractionStarter]: For program point L753(lines 753 757) no Hoare annotation was computed. [2019-10-02 14:20:31,679 INFO L446 ceAbstractionStarter]: At program point L751(line 751) the Hoare annotation is: true [2019-10-02 14:20:31,679 INFO L443 ceAbstractionStarter]: For program point L753-2(lines 753 757) no Hoare annotation was computed. [2019-10-02 14:20:31,679 INFO L443 ceAbstractionStarter]: For program point L751-1(line 751) no Hoare annotation was computed. [2019-10-02 14:20:31,679 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 744 762) the Hoare annotation is: true [2019-10-02 14:20:31,679 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 744 762) no Hoare annotation was computed. [2019-10-02 14:20:31,679 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 744 762) no Hoare annotation was computed. [2019-10-02 14:20:31,679 INFO L443 ceAbstractionStarter]: For program point L696(lines 696 704) no Hoare annotation was computed. [2019-10-02 14:20:31,680 INFO L443 ceAbstractionStarter]: For program point L696-2(lines 696 704) no Hoare annotation was computed. [2019-10-02 14:20:31,680 INFO L443 ceAbstractionStarter]: For program point L719(line 719) no Hoare annotation was computed. [2019-10-02 14:20:31,680 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 689 724) no Hoare annotation was computed. [2019-10-02 14:20:31,680 INFO L443 ceAbstractionStarter]: For program point L719-1(line 719) no Hoare annotation was computed. [2019-10-02 14:20:31,680 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 689 724) no Hoare annotation was computed. [2019-10-02 14:20:31,680 INFO L443 ceAbstractionStarter]: For program point L708(lines 708 716) no Hoare annotation was computed. [2019-10-02 14:20:31,680 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 689 724) no Hoare annotation was computed. [2019-10-02 14:20:31,680 INFO L443 ceAbstractionStarter]: For program point L708-2(lines 708 716) no Hoare annotation was computed. [2019-10-02 14:20:31,680 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 83 89) no Hoare annotation was computed. [2019-10-02 14:20:31,681 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 83 89) the Hoare annotation is: true [2019-10-02 14:20:31,681 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 113 158) no Hoare annotation was computed. [2019-10-02 14:20:31,681 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 113 158) no Hoare annotation was computed. [2019-10-02 14:20:31,681 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 113 158) no Hoare annotation was computed. [2019-10-02 14:20:31,681 INFO L443 ceAbstractionStarter]: For program point L446(lines 446 453) no Hoare annotation was computed. [2019-10-02 14:20:31,681 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 426 471) no Hoare annotation was computed. [2019-10-02 14:20:31,681 INFO L443 ceAbstractionStarter]: For program point L440(lines 440 460) no Hoare annotation was computed. [2019-10-02 14:20:31,681 INFO L443 ceAbstractionStarter]: For program point L440-1(lines 440 460) no Hoare annotation was computed. [2019-10-02 14:20:31,682 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 426 471) no Hoare annotation was computed. [2019-10-02 14:20:31,682 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 426 471) no Hoare annotation was computed. [2019-10-02 14:20:31,682 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 826 835) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-02 14:20:31,682 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 826 835) no Hoare annotation was computed. [2019-10-02 14:20:31,682 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 826 835) no Hoare annotation was computed. [2019-10-02 14:20:31,682 INFO L443 ceAbstractionStarter]: For program point L674-1(line 674) no Hoare annotation was computed. [2019-10-02 14:20:31,682 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 669 679) the Hoare annotation is: true [2019-10-02 14:20:31,682 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 669 679) no Hoare annotation was computed. [2019-10-02 14:20:31,683 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 669 679) no Hoare annotation was computed. [2019-10-02 14:20:31,683 INFO L446 ceAbstractionStarter]: At program point L674(line 674) the Hoare annotation is: true [2019-10-02 14:20:31,683 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 661 668) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (= 0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3) (or (not (= ~methaneLevelCritical~0 1)) .cse2 .cse0 .cse1 .cse3))) [2019-10-02 14:20:31,683 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 661 668) no Hoare annotation was computed. [2019-10-02 14:20:31,683 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 661 668) no Hoare annotation was computed. [2019-10-02 14:20:31,683 INFO L443 ceAbstractionStarter]: For program point L944(lines 944 950) no Hoare annotation was computed. [2019-10-02 14:20:31,683 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 940 953) no Hoare annotation was computed. [2019-10-02 14:20:31,683 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 940 953) the Hoare annotation is: true [2019-10-02 14:20:31,684 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 940 953) no Hoare annotation was computed. [2019-10-02 14:20:31,684 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 610 634) no Hoare annotation was computed. [2019-10-02 14:20:31,684 INFO L439 ceAbstractionStarter]: At program point L629(line 629) the Hoare annotation is: (let ((.cse3 (= 0 |old(~pumpRunning~0)|)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse3) (or .cse4 .cse5 .cse0 .cse1) (or .cse5 (or (not (<= 2 ~waterLevel~0)) .cse1 .cse2)) (or (or .cse1 (not (= ~waterLevel~0 1)) .cse2) .cse5))) [2019-10-02 14:20:31,684 INFO L443 ceAbstractionStarter]: For program point L629-1(lines 610 634) no Hoare annotation was computed. [2019-10-02 14:20:31,684 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 610 634) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~waterLevel~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse1 .cse2 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-10-02 14:20:31,684 INFO L439 ceAbstractionStarter]: At program point L624(line 624) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2019-10-02 14:20:31,685 INFO L439 ceAbstractionStarter]: At program point L620(line 620) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (not (<= 1 ~waterLevel~0))) (.cse5 (and (= 1 processEnvironment_~tmp~6) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse5 .cse3))) [2019-10-02 14:20:31,685 INFO L443 ceAbstractionStarter]: For program point L618(lines 618 626) no Hoare annotation was computed. [2019-10-02 14:20:31,685 INFO L439 ceAbstractionStarter]: At program point L616(line 616) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 1 ~waterLevel~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse2 .cse3) (or .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse2 .cse3 .cse5))) [2019-10-02 14:20:31,685 INFO L443 ceAbstractionStarter]: For program point L616-1(line 616) no Hoare annotation was computed. [2019-10-02 14:20:31,685 INFO L443 ceAbstractionStarter]: For program point L614(lines 614 631) no Hoare annotation was computed. [2019-10-02 14:20:31,685 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 576 582) no Hoare annotation was computed. [2019-10-02 14:20:31,685 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 576 582) the Hoare annotation is: true [2019-10-02 14:20:31,686 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 477 540) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-02 14:20:31,686 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 477 540) no Hoare annotation was computed. [2019-10-02 14:20:31,686 INFO L439 ceAbstractionStarter]: At program point L533(lines 486 534) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-02 14:20:31,686 INFO L443 ceAbstractionStarter]: For program point L523(lines 523 527) no Hoare annotation was computed. [2019-10-02 14:20:31,686 INFO L439 ceAbstractionStarter]: At program point L523-2(lines 517 528) the Hoare annotation is: (let ((.cse3 (<= 1 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse5 (= 1 ~methaneLevelCritical~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (<= 2 ~waterLevel~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (and (and .cse0 .cse1 .cse2) .cse3) (not (= ~systemActive~0 1)) (and .cse4 .cse1 .cse5) (and .cse1 .cse3 .cse2 .cse5) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse4 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-02 14:20:31,686 INFO L443 ceAbstractionStarter]: For program point L488(lines 487 532) no Hoare annotation was computed. [2019-10-02 14:20:31,686 INFO L443 ceAbstractionStarter]: For program point L517(lines 517 528) no Hoare annotation was computed. [2019-10-02 14:20:31,687 INFO L439 ceAbstractionStarter]: At program point L509(line 509) the Hoare annotation is: (let ((.cse3 (<= 1 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (and (and .cse0 .cse1 .cse2) .cse3) (not (= ~systemActive~0 1)) (and .cse1 .cse3 .cse2 (= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 2 ~waterLevel~0) .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-02 14:20:31,687 INFO L443 ceAbstractionStarter]: For program point L507(lines 507 513) no Hoare annotation was computed. [2019-10-02 14:20:31,687 INFO L443 ceAbstractionStarter]: For program point L507-1(lines 507 513) no Hoare annotation was computed. [2019-10-02 14:20:31,687 INFO L439 ceAbstractionStarter]: At program point L499(line 499) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (<= 1 ~waterLevel~0))) (or (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 2 ~waterLevel~0) .cse1) (and (and .cse0 .cse1 .cse2) .cse3) (and (and (and .cse1 .cse2) (= 1 ~methaneLevelCritical~0)) .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-02 14:20:31,687 INFO L439 ceAbstractionStarter]: At program point L530(lines 487 532) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1) (and (and .cse0 .cse1 .cse2) .cse3) (not (= ~systemActive~0 1)) (and .cse1 .cse3 .cse2 (= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-02 14:20:31,687 INFO L443 ceAbstractionStarter]: For program point L497(lines 497 503) no Hoare annotation was computed. [2019-10-02 14:20:31,688 INFO L443 ceAbstractionStarter]: For program point L497-1(lines 497 503) no Hoare annotation was computed. [2019-10-02 14:20:31,688 INFO L443 ceAbstractionStarter]: For program point L489(lines 489 493) no Hoare annotation was computed. [2019-10-02 14:20:31,688 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 477 540) no Hoare annotation was computed. [2019-10-02 14:20:31,688 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 380 425) no Hoare annotation was computed. [2019-10-02 14:20:31,688 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 380 425) no Hoare annotation was computed. [2019-10-02 14:20:31,688 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 380 425) no Hoare annotation was computed. [2019-10-02 14:20:31,688 INFO L443 ceAbstractionStarter]: For program point L400(lines 400 407) no Hoare annotation was computed. [2019-10-02 14:20:31,688 INFO L443 ceAbstractionStarter]: For program point L394(lines 394 414) no Hoare annotation was computed. [2019-10-02 14:20:31,688 INFO L443 ceAbstractionStarter]: For program point L394-1(lines 394 414) no Hoare annotation was computed. [2019-10-02 14:20:31,689 INFO L439 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 635 642) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 2 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 0)) [2019-10-02 14:20:31,689 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 635 642) no Hoare annotation was computed. [2019-10-02 14:20:31,689 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 635 642) no Hoare annotation was computed. [2019-10-02 14:20:31,689 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 954 962) no Hoare annotation was computed. [2019-10-02 14:20:31,689 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 954 962) the Hoare annotation is: true [2019-10-02 14:20:31,689 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 954 962) no Hoare annotation was computed. [2019-10-02 14:20:31,689 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 908 930) no Hoare annotation was computed. [2019-10-02 14:20:31,689 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 908 930) no Hoare annotation was computed. [2019-10-02 14:20:31,690 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 908 930) no Hoare annotation was computed. [2019-10-02 14:20:31,690 INFO L443 ceAbstractionStarter]: For program point L916(lines 916 924) no Hoare annotation was computed. [2019-10-02 14:20:31,690 INFO L443 ceAbstractionStarter]: For program point L916-2(lines 916 924) no Hoare annotation was computed. [2019-10-02 14:20:31,690 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 73 82) no Hoare annotation was computed. [2019-10-02 14:20:31,690 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 73 82) no Hoare annotation was computed. [2019-10-02 14:20:31,690 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 73 82) no Hoare annotation was computed. [2019-10-02 14:20:31,690 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 277 379) no Hoare annotation was computed. [2019-10-02 14:20:31,690 INFO L443 ceAbstractionStarter]: For program point L347(lines 325 348) no Hoare annotation was computed. [2019-10-02 14:20:31,690 INFO L443 ceAbstractionStarter]: For program point L306(lines 306 322) no Hoare annotation was computed. [2019-10-02 14:20:31,691 INFO L443 ceAbstractionStarter]: For program point L366(lines 366 373) no Hoare annotation was computed. [2019-10-02 14:20:31,691 INFO L443 ceAbstractionStarter]: For program point L327(lines 326 346) no Hoare annotation was computed. [2019-10-02 14:20:31,691 INFO L443 ceAbstractionStarter]: For program point L358(line 358) no Hoare annotation was computed. [2019-10-02 14:20:31,691 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 277 379) no Hoare annotation was computed. [2019-10-02 14:20:31,691 INFO L443 ceAbstractionStarter]: For program point L358-1(line 358) no Hoare annotation was computed. [2019-10-02 14:20:31,691 INFO L443 ceAbstractionStarter]: For program point L323(lines 323 364) no Hoare annotation was computed. [2019-10-02 14:20:31,691 INFO L443 ceAbstractionStarter]: For program point L342(line 342) no Hoare annotation was computed. [2019-10-02 14:20:31,691 INFO L443 ceAbstractionStarter]: For program point L342-1(line 342) no Hoare annotation was computed. [2019-10-02 14:20:31,691 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 277 379) no Hoare annotation was computed. [2019-10-02 14:20:31,691 INFO L443 ceAbstractionStarter]: For program point L301(lines 301 305) no Hoare annotation was computed. [2019-10-02 14:20:31,692 INFO L443 ceAbstractionStarter]: For program point L365(lines 365 376) no Hoare annotation was computed. [2019-10-02 14:20:31,692 INFO L443 ceAbstractionStarter]: For program point L328(lines 328 332) no Hoare annotation was computed. [2019-10-02 14:20:31,692 INFO L443 ceAbstractionStarter]: For program point L326-2(lines 326 346) no Hoare annotation was computed. [2019-10-02 14:20:31,692 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-02 14:20:31,692 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) [2019-10-02 14:20:31,692 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-02 14:20:31,692 INFO L439 ceAbstractionStarter]: At program point L655(line 655) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 2 ~waterLevel~0))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (and (= ~methaneLevelCritical~0 activatePump_~tmp~7) (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2019-10-02 14:20:31,693 INFO L443 ceAbstractionStarter]: For program point L655-1(lines 644 660) no Hoare annotation was computed. [2019-10-02 14:20:31,693 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 644 660) no Hoare annotation was computed. [2019-10-02 14:20:31,693 INFO L443 ceAbstractionStarter]: For program point L651(lines 651 657) no Hoare annotation was computed. [2019-10-02 14:20:31,693 INFO L439 ceAbstractionStarter]: At program point L649(line 649) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 2 ~waterLevel~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (= ~pumpRunning~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2019-10-02 14:20:31,693 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 644 660) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 2 ~waterLevel~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (= ~pumpRunning~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2019-10-02 14:20:31,693 INFO L443 ceAbstractionStarter]: For program point L649-1(line 649) no Hoare annotation was computed. [2019-10-02 14:20:31,693 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 725 743) no Hoare annotation was computed. [2019-10-02 14:20:31,693 INFO L443 ceAbstractionStarter]: For program point L734(lines 734 738) no Hoare annotation was computed. [2019-10-02 14:20:31,694 INFO L446 ceAbstractionStarter]: At program point L732(line 732) the Hoare annotation is: true [2019-10-02 14:20:31,694 INFO L443 ceAbstractionStarter]: For program point L734-2(lines 734 738) no Hoare annotation was computed. [2019-10-02 14:20:31,694 INFO L443 ceAbstractionStarter]: For program point L732-1(line 732) no Hoare annotation was computed. [2019-10-02 14:20:31,694 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 725 743) the Hoare annotation is: true [2019-10-02 14:20:31,694 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 725 743) no Hoare annotation was computed. [2019-10-02 14:20:31,694 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 931 939) no Hoare annotation was computed. [2019-10-02 14:20:31,694 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 931 939) no Hoare annotation was computed. [2019-10-02 14:20:31,694 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 931 939) no Hoare annotation was computed. [2019-10-02 14:20:31,694 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-02 14:20:31,695 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-02 14:20:31,695 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-02 14:20:31,695 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 887 898) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~methaneLevelCritical~0)| 0)))) (and (or (not (= |old(~methaneLevelCritical~0)| 1)) .cse0 (= 1 ~methaneLevelCritical~0) (not (<= 1 ~waterLevel~0)) .cse1) (or (or .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2) .cse3) (or .cse3 (or (not (<= 2 ~waterLevel~0)) .cse1 .cse2)))) [2019-10-02 14:20:31,695 INFO L443 ceAbstractionStarter]: For program point L891-1(lines 887 898) no Hoare annotation was computed. [2019-10-02 14:20:31,695 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 887 898) no Hoare annotation was computed. [2019-10-02 14:20:31,695 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 899 907) the Hoare annotation is: true [2019-10-02 14:20:31,695 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 899 907) no Hoare annotation was computed. [2019-10-02 14:20:31,696 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 899 907) no Hoare annotation was computed. [2019-10-02 14:20:31,696 INFO L439 ceAbstractionStarter]: At program point L565(line 565) the Hoare annotation is: (let ((.cse7 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse2 (and .cse7 (= ~pumpRunning~0 0)))) (and (or .cse0 .cse1 .cse2 (not (<= 1 |old(~waterLevel~0)|)) .cse3) (or (or .cse0 .cse4 .cse3) (and .cse5 .cse6)) (or (and .cse5 .cse7) (and .cse1 .cse5 .cse6) (or .cse4 .cse3 .cse8)) (or (or .cse1 .cse3 (not (= |old(~waterLevel~0)| 1)) .cse8) .cse2)))) [2019-10-02 14:20:31,696 INFO L439 ceAbstractionStarter]: At program point L563(lines 563 569) the Hoare annotation is: (let ((.cse10 (= ~pumpRunning~0 0)) (.cse9 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse5 (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (<= 2 ~waterLevel~0) .cse9)) (.cse2 (not (<= 2 |old(~waterLevel~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse0 (and (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse10)) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (<= 1 |old(~waterLevel~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse8 (and .cse9 .cse10))) (and (or .cse0 (or .cse1 .cse2 .cse3)) (or .cse4 .cse5 .cse6 .cse3 .cse7 .cse8) (or .cse5 (or .cse2 .cse3 .cse7) .cse0) (or .cse1 .cse4 .cse6 .cse3 .cse8)))) [2019-10-02 14:20:31,696 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 552 575) the Hoare annotation is: (let ((.cse7 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse2 (and .cse7 (= ~pumpRunning~0 0))) (.cse4 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse7)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (<= 2 |old(~waterLevel~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (<= 1 |old(~waterLevel~0)|)) .cse3) (or .cse4 (or .cse5 .cse3 .cse6)) (or (or .cse1 .cse3 (not (= |old(~waterLevel~0)| 1)) .cse6) .cse2) (or .cse4 (or .cse0 .cse5 .cse3))))) [2019-10-02 14:20:31,696 INFO L439 ceAbstractionStarter]: At program point L558(line 558) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 1 |old(~waterLevel~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (<= 2 |old(~waterLevel~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse3 .cse4) (or .cse5 (or .cse6 .cse3 .cse4)) (or .cse5 (or .cse0 .cse6 .cse3)))) [2019-10-02 14:20:31,697 INFO L443 ceAbstractionStarter]: For program point L556(lines 555 574) no Hoare annotation was computed. [2019-10-02 14:20:31,697 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 552 575) no Hoare annotation was computed. [2019-10-02 14:20:31,697 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 552 575) no Hoare annotation was computed. [2019-10-02 14:20:31,697 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 765 794) no Hoare annotation was computed. [2019-10-02 14:20:31,697 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 765 794) the Hoare annotation is: true [2019-10-02 14:20:31,697 INFO L446 ceAbstractionStarter]: At program point L790(lines 765 794) the Hoare annotation is: true [2019-10-02 14:20:31,697 INFO L443 ceAbstractionStarter]: For program point L786(line 786) no Hoare annotation was computed. [2019-10-02 14:20:31,697 INFO L443 ceAbstractionStarter]: For program point L779(lines 779 783) no Hoare annotation was computed. [2019-10-02 14:20:31,697 INFO L446 ceAbstractionStarter]: At program point L779-1(lines 779 783) the Hoare annotation is: true [2019-10-02 14:20:31,698 INFO L443 ceAbstractionStarter]: For program point L776(line 776) no Hoare annotation was computed. [2019-10-02 14:20:31,698 INFO L446 ceAbstractionStarter]: At program point L775-2(lines 775 789) the Hoare annotation is: true [2019-10-02 14:20:31,698 INFO L446 ceAbstractionStarter]: At program point L771(line 771) the Hoare annotation is: true [2019-10-02 14:20:31,698 INFO L443 ceAbstractionStarter]: For program point L771-1(line 771) no Hoare annotation was computed. [2019-10-02 14:20:31,698 INFO L439 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 863 874) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (<= 2 |old(~waterLevel~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (= 0 ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (or .cse2 .cse3)) (or .cse0 .cse1 (or .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3)))) [2019-10-02 14:20:31,698 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 863 874) no Hoare annotation was computed. [2019-10-02 14:20:31,698 INFO L443 ceAbstractionStarter]: For program point L867-1(lines 863 874) no Hoare annotation was computed. [2019-10-02 14:20:31,698 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 819 825) no Hoare annotation was computed. [2019-10-02 14:20:31,698 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 819 825) the Hoare annotation is: true [2019-10-02 14:20:31,699 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-02 14:20:31,699 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)) [2019-10-02 14:20:31,699 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-02 14:20:31,699 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-02 14:20:31,699 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 584 608) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= ~pumpRunning~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (not (<= 1 ~waterLevel~0)) .cse2) (or .cse1 (or .cse0 (not (<= 2 ~waterLevel~0)) .cse2 .cse3)) (or (or .cse0 .cse2 (not (= ~waterLevel~0 1)) .cse3) .cse1))) [2019-10-02 14:20:31,699 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 584 608) no Hoare annotation was computed. [2019-10-02 14:20:31,699 INFO L439 ceAbstractionStarter]: At program point L603(line 603) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 1 ~waterLevel~0))) (.cse2 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))))) [2019-10-02 14:20:31,700 INFO L443 ceAbstractionStarter]: For program point L603-1(lines 584 608) no Hoare annotation was computed. [2019-10-02 14:20:31,700 INFO L439 ceAbstractionStarter]: At program point L598(line 598) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~5) (= ~pumpRunning~0 0))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (or .cse1 (not (<= 2 ~waterLevel~0)) .cse2 .cse3)) (or (or .cse1 .cse2 (not (= ~waterLevel~0 1)) .cse3) .cse0) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse0 (not (<= 1 ~waterLevel~0)) .cse2))) [2019-10-02 14:20:31,700 INFO L439 ceAbstractionStarter]: At program point L594(line 594) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (and (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0))) (.cse1 (not (<= 1 ~waterLevel~0))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse3 .cse1 .cse2))) [2019-10-02 14:20:31,700 INFO L443 ceAbstractionStarter]: For program point L592(lines 592 600) no Hoare annotation was computed. [2019-10-02 14:20:31,700 INFO L439 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= ~pumpRunning~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (not (<= 1 ~waterLevel~0)) .cse2) (or .cse1 (or .cse0 (not (<= 2 ~waterLevel~0)) .cse2 .cse3)) (or (or .cse0 .cse2 (not (= ~waterLevel~0 1)) .cse3) .cse1))) [2019-10-02 14:20:31,700 INFO L443 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2019-10-02 14:20:31,700 INFO L443 ceAbstractionStarter]: For program point L588(lines 588 605) no Hoare annotation was computed. [2019-10-02 14:20:31,701 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 875 886) no Hoare annotation was computed. [2019-10-02 14:20:31,701 INFO L443 ceAbstractionStarter]: For program point L879-1(lines 875 886) no Hoare annotation was computed. [2019-10-02 14:20:31,701 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 875 886) the Hoare annotation is: (let ((.cse4 (not (= 0 ~pumpRunning~0))) (.cse5 (not (= ~systemActive~0 1)))) (let ((.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse2 (or .cse4 .cse5)) (.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse5 (not (= |old(~waterLevel~0)| 1)) .cse0) (or .cse0 .cse3 .cse5 .cse6) (or .cse2 (not (<= 1 |old(~waterLevel~0)|)) .cse0 .cse6)))) [2019-10-02 14:20:31,701 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 964 971) no Hoare annotation was computed. [2019-10-02 14:20:31,701 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 968) no Hoare annotation was computed. [2019-10-02 14:20:31,701 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 964 971) the Hoare annotation is: true [2019-10-02 14:20:31,701 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 964 971) no Hoare annotation was computed. [2019-10-02 14:20:31,702 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 43 67) the Hoare annotation is: true [2019-10-02 14:20:31,702 INFO L439 ceAbstractionStarter]: At program point L57(line 57) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse3 (not (<= 1 ~waterLevel~0))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= 2 ~waterLevel~0)) .cse0 .cse1) (or .cse2 .cse3 .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse2 .cse3 .cse0))) [2019-10-02 14:20:31,702 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 43 67) no Hoare annotation was computed. [2019-10-02 14:20:31,702 INFO L443 ceAbstractionStarter]: For program point L55(lines 55 61) no Hoare annotation was computed. [2019-10-02 14:20:31,702 INFO L439 ceAbstractionStarter]: At program point L53(line 53) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (<= 2 ~waterLevel~0)) .cse0 .cse1) (or (not (= 0 ~pumpRunning~0)) (not (<= 1 ~waterLevel~0)) .cse0 .cse1))) [2019-10-02 14:20:31,702 INFO L443 ceAbstractionStarter]: For program point L53-1(line 53) no Hoare annotation was computed. [2019-10-02 14:20:31,702 INFO L443 ceAbstractionStarter]: For program point L51(lines 51 64) no Hoare annotation was computed. [2019-10-02 14:20:31,702 INFO L443 ceAbstractionStarter]: For program point L51-1(lines 43 67) no Hoare annotation was computed. [2019-10-02 14:20:31,702 INFO L446 ceAbstractionStarter]: At program point L49(line 49) the Hoare annotation is: true [2019-10-02 14:20:31,703 INFO L443 ceAbstractionStarter]: For program point L49-1(line 49) no Hoare annotation was computed. [2019-10-02 14:20:31,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.10 02:20:31 BoogieIcfgContainer [2019-10-02 14:20:31,718 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-02 14:20:31,720 INFO L168 Benchmark]: Toolchain (without parser) took 16847.91 ms. Allocated memory was 130.5 MB in the beginning and 567.3 MB in the end (delta: 436.7 MB). Free memory was 84.9 MB in the beginning and 293.5 MB in the end (delta: -208.6 MB). Peak memory consumption was 372.2 MB. Max. memory is 7.1 GB. [2019-10-02 14:20:31,720 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 130.5 MB. Free memory was 104.8 MB in the beginning and 104.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-02 14:20:31,721 INFO L168 Benchmark]: CACSL2BoogieTranslator took 651.49 ms. Allocated memory was 130.5 MB in the beginning and 198.7 MB in the end (delta: 68.2 MB). Free memory was 84.7 MB in the beginning and 163.2 MB in the end (delta: -78.5 MB). Peak memory consumption was 27.8 MB. Max. memory is 7.1 GB. [2019-10-02 14:20:31,722 INFO L168 Benchmark]: Boogie Preprocessor took 95.95 ms. Allocated memory is still 198.7 MB. Free memory was 163.2 MB in the beginning and 159.2 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-10-02 14:20:31,723 INFO L168 Benchmark]: RCFGBuilder took 1148.53 ms. Allocated memory was 198.7 MB in the beginning and 218.6 MB in the end (delta: 19.9 MB). Free memory was 159.2 MB in the beginning and 187.7 MB in the end (delta: -28.5 MB). Peak memory consumption was 94.4 MB. Max. memory is 7.1 GB. [2019-10-02 14:20:31,724 INFO L168 Benchmark]: TraceAbstraction took 14947.91 ms. Allocated memory was 218.6 MB in the beginning and 567.3 MB in the end (delta: 348.7 MB). Free memory was 187.7 MB in the beginning and 293.5 MB in the end (delta: -105.8 MB). Peak memory consumption was 386.9 MB. Max. memory is 7.1 GB. [2019-10-02 14:20:31,728 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 130.5 MB. Free memory was 104.8 MB in the beginning and 104.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 651.49 ms. Allocated memory was 130.5 MB in the beginning and 198.7 MB in the end (delta: 68.2 MB). Free memory was 84.7 MB in the beginning and 163.2 MB in the end (delta: -78.5 MB). Peak memory consumption was 27.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 95.95 ms. Allocated memory is still 198.7 MB. Free memory was 163.2 MB in the beginning and 159.2 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1148.53 ms. Allocated memory was 198.7 MB in the beginning and 218.6 MB in the end (delta: 19.9 MB). Free memory was 159.2 MB in the beginning and 187.7 MB in the end (delta: -28.5 MB). Peak memory consumption was 94.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 14947.91 ms. Allocated memory was 218.6 MB in the beginning and 567.3 MB in the end (delta: 348.7 MB). Free memory was 187.7 MB in the beginning and 293.5 MB in the end (delta: -105.8 MB). Peak memory consumption was 386.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 968]: 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: 765]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 487]: Loop Invariant Derived loop invariant: (((((((0 == methaneLevelCritical && 2 <= waterLevel) && 0 == splverifierCounter) || (((0 == methaneLevelCritical && 0 == splverifierCounter) && pumpRunning == 0) && 1 <= waterLevel)) || !(systemActive == 1)) || (((0 == splverifierCounter && 1 <= waterLevel) && pumpRunning == 0) && 1 == methaneLevelCritical)) || !(0 == \old(pumpRunning))) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 486]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 775]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 242 locations, 1 error locations. SAFE Result, 14.8s OverallTime, 13 OverallIterations, 3 TraceHistogramMax, 6.5s AutomataDifference, 0.0s DeadEndRemovalTime, 4.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 2374 SDtfs, 2347 SDslu, 6871 SDs, 0 SdLazy, 4534 SolverSat, 1091 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 585 GetRequests, 464 SyntacticMatches, 1 SemanticMatches, 120 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 352 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1729occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 13 MinimizatonAttempts, 457 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 63 LocationsWithAnnotation, 2407 PreInvPairs, 2476 NumberOfFragments, 1919 HoareAnnotationTreeSize, 2407 FomulaSimplifications, 7646 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 63 FomulaSimplificationsInter, 10257 FormulaSimplificationTreeSizeReductionInter, 3.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 1649 NumberOfCodeBlocks, 1649 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 1633 ConstructedInterpolants, 0 QuantifiedInterpolants, 314408 SizeOfPredicates, 5 NumberOfNonLiveVariables, 2538 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 16 InterpolantComputations, 13 PerfectInterpolantSequences, 183/193 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...