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_spec4_product30.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-14 23:38:27,631 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 23:38:27,633 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 23:38:27,645 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 23:38:27,645 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 23:38:27,646 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 23:38:27,648 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 23:38:27,649 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 23:38:27,651 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 23:38:27,652 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 23:38:27,653 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 23:38:27,654 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 23:38:27,654 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 23:38:27,655 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 23:38:27,656 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 23:38:27,657 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 23:38:27,658 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 23:38:27,660 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 23:38:27,662 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 23:38:27,666 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 23:38:27,668 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 23:38:27,671 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 23:38:27,673 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 23:38:27,674 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 23:38:27,678 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 23:38:27,679 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 23:38:27,679 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 23:38:27,680 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 23:38:27,680 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 23:38:27,683 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 23:38:27,683 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 23:38:27,684 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 23:38:27,686 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 23:38:27,687 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 23:38:27,690 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 23:38:27,690 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 23:38:27,691 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 23:38:27,691 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 23:38:27,691 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 23:38:27,693 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 23:38:27,695 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 23:38:27,696 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 [2019-10-14 23:38:27,715 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 23:38:27,715 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 23:38:27,717 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 23:38:27,717 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 23:38:27,718 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 23:38:27,718 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 23:38:27,718 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 23:38:27,718 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 23:38:27,718 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 23:38:27,719 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 23:38:27,720 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 23:38:27,720 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 23:38:27,720 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 23:38:27,720 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 23:38:27,721 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 23:38:27,721 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 23:38:27,721 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 23:38:27,721 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 23:38:27,721 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 23:38:27,722 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 23:38:27,722 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 23:38:27,722 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 23:38:27,722 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 23:38:27,722 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 23:38:27,722 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 23:38:27,723 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 23:38:27,723 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 23:38:27,723 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 23:38:27,723 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-14 23:38:28,002 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 23:38:28,023 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 23:38:28,027 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 23:38:28,028 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 23:38:28,029 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 23:38:28,030 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product30.cil.c [2019-10-14 23:38:28,111 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96f9e4d1d/5f55f0316b48446490497f1e90cc60b2/FLAG70a2c01fd [2019-10-14 23:38:28,632 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 23:38:28,633 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product30.cil.c [2019-10-14 23:38:28,659 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96f9e4d1d/5f55f0316b48446490497f1e90cc60b2/FLAG70a2c01fd [2019-10-14 23:38:28,955 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96f9e4d1d/5f55f0316b48446490497f1e90cc60b2 [2019-10-14 23:38:28,966 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 23:38:28,967 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 23:38:28,971 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 23:38:28,972 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 23:38:28,975 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 23:38:28,976 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:38:28" (1/1) ... [2019-10-14 23:38:28,980 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@283ca1de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:38:28, skipping insertion in model container [2019-10-14 23:38:28,980 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:38:28" (1/1) ... [2019-10-14 23:38:28,987 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 23:38:29,051 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 23:38:29,555 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:38:29,580 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 23:38:29,668 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:38:29,701 INFO L192 MainTranslator]: Completed translation [2019-10-14 23:38:29,702 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:38:29 WrapperNode [2019-10-14 23:38:29,702 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 23:38:29,703 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 23:38:29,703 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 23:38:29,703 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 23:38:29,717 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:38:29" (1/1) ... [2019-10-14 23:38:29,717 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:38:29" (1/1) ... [2019-10-14 23:38:29,737 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:38:29" (1/1) ... [2019-10-14 23:38:29,738 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:38:29" (1/1) ... [2019-10-14 23:38:29,765 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:38:29" (1/1) ... [2019-10-14 23:38:29,775 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:38:29" (1/1) ... [2019-10-14 23:38:29,780 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:38:29" (1/1) ... [2019-10-14 23:38:29,790 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 23:38:29,790 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 23:38:29,790 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 23:38:29,791 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 23:38:29,792 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:38:29" (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 [2019-10-14 23:38:29,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 23:38:29,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 23:38:29,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-14 23:38:29,851 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-14 23:38:29,851 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-14 23:38:29,851 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-14 23:38:29,851 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-14 23:38:29,851 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-14 23:38:29,851 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-14 23:38:29,852 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-14 23:38:29,852 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-10-14 23:38:29,852 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-14 23:38:29,852 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-14 23:38:29,852 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-10-14 23:38:29,852 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-14 23:38:29,853 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-14 23:38:29,853 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-14 23:38:29,853 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-14 23:38:29,853 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-14 23:38:29,853 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-14 23:38:29,853 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-14 23:38:29,854 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-14 23:38:29,854 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-14 23:38:29,854 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-14 23:38:29,854 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-14 23:38:29,854 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-14 23:38:29,854 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-14 23:38:29,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-14 23:38:29,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-14 23:38:29,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-14 23:38:29,855 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-14 23:38:29,855 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-14 23:38:29,855 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-14 23:38:29,856 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-14 23:38:29,856 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 23:38:29,856 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-14 23:38:29,856 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-14 23:38:29,856 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-14 23:38:29,856 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-14 23:38:29,857 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-14 23:38:29,857 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 23:38:29,857 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 23:38:29,857 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-14 23:38:29,857 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-14 23:38:29,857 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-14 23:38:29,858 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-14 23:38:29,858 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-14 23:38:29,858 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-14 23:38:29,858 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-14 23:38:29,858 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-14 23:38:29,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 23:38:29,858 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-14 23:38:29,858 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-14 23:38:29,858 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-10-14 23:38:29,859 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-14 23:38:29,859 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-14 23:38:29,859 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-14 23:38:29,859 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-14 23:38:29,859 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-14 23:38:29,859 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-14 23:38:29,859 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-14 23:38:29,860 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-14 23:38:29,860 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-10-14 23:38:29,860 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-14 23:38:29,860 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-14 23:38:29,860 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-14 23:38:29,860 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-14 23:38:29,860 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-14 23:38:29,860 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-14 23:38:29,861 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-14 23:38:29,861 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-14 23:38:29,861 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-14 23:38:29,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-14 23:38:29,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 23:38:29,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-14 23:38:29,861 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-14 23:38:29,862 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 23:38:29,862 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-14 23:38:29,862 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-14 23:38:29,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 23:38:29,862 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-14 23:38:29,862 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-14 23:38:29,862 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-14 23:38:29,863 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-14 23:38:29,863 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-14 23:38:29,863 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-14 23:38:29,863 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-14 23:38:29,863 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-14 23:38:29,863 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-14 23:38:29,863 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 23:38:29,864 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-14 23:38:29,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 23:38:29,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-14 23:38:29,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 23:38:30,983 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 23:38:30,984 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-14 23:38:30,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:38:30 BoogieIcfgContainer [2019-10-14 23:38:30,986 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 23:38:30,987 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-14 23:38:30,987 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-14 23:38:30,991 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-14 23:38:30,991 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:38:28" (1/3) ... [2019-10-14 23:38:30,992 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1038c0a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:38:30, skipping insertion in model container [2019-10-14 23:38:30,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:38:29" (2/3) ... [2019-10-14 23:38:30,993 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1038c0a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:38:30, skipping insertion in model container [2019-10-14 23:38:30,993 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:38:30" (3/3) ... [2019-10-14 23:38:30,996 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product30.cil.c [2019-10-14 23:38:31,006 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-14 23:38:31,016 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-14 23:38:31,027 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-14 23:38:31,064 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-14 23:38:31,064 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-14 23:38:31,064 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-14 23:38:31,064 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-14 23:38:31,065 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-14 23:38:31,065 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-14 23:38:31,065 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-14 23:38:31,065 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-14 23:38:31,096 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states. [2019-10-14 23:38:31,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-14 23:38:31,106 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:38:31,107 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:38:31,109 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:38:31,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:38:31,115 INFO L82 PathProgramCache]: Analyzing trace with hash -1185825638, now seen corresponding path program 1 times [2019-10-14 23:38:31,125 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:38:31,125 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288524277] [2019-10-14 23:38:31,126 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:38:31,126 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:38:31,126 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:38:31,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:31,740 WARN L191 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-14 23:38:31,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:31,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:31,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:31,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:31,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:31,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:31,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:31,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 23:38:31,813 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288524277] [2019-10-14 23:38:31,814 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:38:31,815 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-14 23:38:31,815 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376957251] [2019-10-14 23:38:31,820 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-14 23:38:31,820 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:38:31,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-14 23:38:31,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-14 23:38:31,838 INFO L87 Difference]: Start difference. First operand 177 states. Second operand 3 states. [2019-10-14 23:38:32,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:38:32,999 INFO L93 Difference]: Finished difference Result 294 states and 384 transitions. [2019-10-14 23:38:33,000 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-14 23:38:33,001 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2019-10-14 23:38:33,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:38:33,016 INFO L225 Difference]: With dead ends: 294 [2019-10-14 23:38:33,016 INFO L226 Difference]: Without dead ends: 159 [2019-10-14 23:38:33,021 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-14 23:38:33,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2019-10-14 23:38:33,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 126. [2019-10-14 23:38:33,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2019-10-14 23:38:33,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 147 transitions. [2019-10-14 23:38:33,105 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 147 transitions. Word has length 46 [2019-10-14 23:38:33,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:38:33,106 INFO L462 AbstractCegarLoop]: Abstraction has 126 states and 147 transitions. [2019-10-14 23:38:33,106 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-14 23:38:33,106 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 147 transitions. [2019-10-14 23:38:33,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-14 23:38:33,110 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:38:33,110 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:38:33,110 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:38:33,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:38:33,111 INFO L82 PathProgramCache]: Analyzing trace with hash 64634253, now seen corresponding path program 1 times [2019-10-14 23:38:33,111 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:38:33,111 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74211983] [2019-10-14 23:38:33,111 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:38:33,111 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:38:33,112 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:38:33,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:33,483 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-14 23:38:33,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:33,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:33,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:33,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:33,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:33,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:33,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:33,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 23:38:33,545 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74211983] [2019-10-14 23:38:33,546 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:38:33,546 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-14 23:38:33,547 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645729304] [2019-10-14 23:38:33,549 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-14 23:38:33,549 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:38:33,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-14 23:38:33,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-14 23:38:33,551 INFO L87 Difference]: Start difference. First operand 126 states and 147 transitions. Second operand 4 states. [2019-10-14 23:38:34,024 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-10-14 23:38:34,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:38:34,826 INFO L93 Difference]: Finished difference Result 223 states and 271 transitions. [2019-10-14 23:38:34,826 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-14 23:38:34,827 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2019-10-14 23:38:34,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:38:34,830 INFO L225 Difference]: With dead ends: 223 [2019-10-14 23:38:34,830 INFO L226 Difference]: Without dead ends: 143 [2019-10-14 23:38:34,831 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-14 23:38:34,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2019-10-14 23:38:34,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 117. [2019-10-14 23:38:34,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2019-10-14 23:38:34,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 135 transitions. [2019-10-14 23:38:34,866 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 135 transitions. Word has length 47 [2019-10-14 23:38:34,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:38:34,866 INFO L462 AbstractCegarLoop]: Abstraction has 117 states and 135 transitions. [2019-10-14 23:38:34,866 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-14 23:38:34,866 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 135 transitions. [2019-10-14 23:38:34,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-14 23:38:34,868 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:38:34,869 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:38:34,869 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:38:34,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:38:34,869 INFO L82 PathProgramCache]: Analyzing trace with hash -974818796, now seen corresponding path program 1 times [2019-10-14 23:38:34,870 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:38:34,870 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357794507] [2019-10-14 23:38:34,870 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:38:34,870 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:38:34,870 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:38:34,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:35,200 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-14 23:38:35,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:35,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:35,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:35,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:35,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:35,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:35,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:35,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 23:38:35,279 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357794507] [2019-10-14 23:38:35,279 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:38:35,279 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-14 23:38:35,280 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708532965] [2019-10-14 23:38:35,280 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-14 23:38:35,280 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:38:35,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-14 23:38:35,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-10-14 23:38:35,281 INFO L87 Difference]: Start difference. First operand 117 states and 135 transitions. Second operand 8 states. [2019-10-14 23:38:35,715 WARN L191 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-10-14 23:38:36,054 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-14 23:38:36,337 WARN L191 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-14 23:38:36,608 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-14 23:38:37,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:38:37,905 INFO L93 Difference]: Finished difference Result 236 states and 289 transitions. [2019-10-14 23:38:37,905 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-14 23:38:37,906 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2019-10-14 23:38:37,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:38:37,908 INFO L225 Difference]: With dead ends: 236 [2019-10-14 23:38:37,908 INFO L226 Difference]: Without dead ends: 143 [2019-10-14 23:38:37,910 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2019-10-14 23:38:37,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2019-10-14 23:38:37,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 117. [2019-10-14 23:38:37,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2019-10-14 23:38:37,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 134 transitions. [2019-10-14 23:38:37,942 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 134 transitions. Word has length 52 [2019-10-14 23:38:37,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:38:37,943 INFO L462 AbstractCegarLoop]: Abstraction has 117 states and 134 transitions. [2019-10-14 23:38:37,943 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-14 23:38:37,943 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 134 transitions. [2019-10-14 23:38:37,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-10-14 23:38:37,945 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:38:37,945 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:38:37,946 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:38:37,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:38:37,946 INFO L82 PathProgramCache]: Analyzing trace with hash 2068919848, now seen corresponding path program 1 times [2019-10-14 23:38:37,946 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:38:37,947 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970414716] [2019-10-14 23:38:37,947 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:38:37,947 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:38:37,947 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:38:37,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:38,276 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-14 23:38:38,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:38,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:38,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:38,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:38,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:38,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:38,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:38,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:38,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:38,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:38,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 23:38:38,416 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970414716] [2019-10-14 23:38:38,416 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:38:38,417 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-10-14 23:38:38,417 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871800692] [2019-10-14 23:38:38,417 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-14 23:38:38,418 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:38:38,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-14 23:38:38,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2019-10-14 23:38:38,419 INFO L87 Difference]: Start difference. First operand 117 states and 134 transitions. Second operand 12 states. [2019-10-14 23:38:38,940 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-10-14 23:38:39,302 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-14 23:38:39,610 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-14 23:38:39,910 WARN L191 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-14 23:38:40,532 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-10-14 23:38:42,035 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-14 23:38:42,464 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-14 23:38:42,805 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-14 23:38:43,147 WARN L191 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2019-10-14 23:38:43,423 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-10-14 23:38:43,805 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-14 23:38:44,130 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-14 23:38:44,444 WARN L191 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-14 23:38:45,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:38:45,667 INFO L93 Difference]: Finished difference Result 458 states and 603 transitions. [2019-10-14 23:38:45,667 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-10-14 23:38:45,668 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 65 [2019-10-14 23:38:45,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:38:45,673 INFO L225 Difference]: With dead ends: 458 [2019-10-14 23:38:45,673 INFO L226 Difference]: Without dead ends: 365 [2019-10-14 23:38:45,675 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2019-10-14 23:38:45,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2019-10-14 23:38:45,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 292. [2019-10-14 23:38:45,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 292 states. [2019-10-14 23:38:45,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 346 transitions. [2019-10-14 23:38:45,757 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 346 transitions. Word has length 65 [2019-10-14 23:38:45,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:38:45,758 INFO L462 AbstractCegarLoop]: Abstraction has 292 states and 346 transitions. [2019-10-14 23:38:45,758 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-10-14 23:38:45,758 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 346 transitions. [2019-10-14 23:38:45,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-10-14 23:38:45,761 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:38:45,761 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:38:45,762 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:38:45,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:38:45,762 INFO L82 PathProgramCache]: Analyzing trace with hash 704311394, now seen corresponding path program 1 times [2019-10-14 23:38:45,762 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:38:45,763 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879014459] [2019-10-14 23:38:45,763 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:38:45,763 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:38:45,763 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:38:45,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:46,072 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-14 23:38:46,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:46,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:46,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:46,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:46,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:46,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:46,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:46,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:46,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:46,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:46,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:46,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 23:38:46,145 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879014459] [2019-10-14 23:38:46,145 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:38:46,145 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-14 23:38:46,145 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707523609] [2019-10-14 23:38:46,146 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-14 23:38:46,146 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:38:46,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-14 23:38:46,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-14 23:38:46,147 INFO L87 Difference]: Start difference. First operand 292 states and 346 transitions. Second operand 6 states. [2019-10-14 23:38:46,534 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-10-14 23:38:47,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:38:47,178 INFO L93 Difference]: Finished difference Result 459 states and 563 transitions. [2019-10-14 23:38:47,181 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-14 23:38:47,181 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 69 [2019-10-14 23:38:47,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:38:47,183 INFO L225 Difference]: With dead ends: 459 [2019-10-14 23:38:47,183 INFO L226 Difference]: Without dead ends: 191 [2019-10-14 23:38:47,185 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2019-10-14 23:38:47,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2019-10-14 23:38:47,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 178. [2019-10-14 23:38:47,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states. [2019-10-14 23:38:47,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 195 transitions. [2019-10-14 23:38:47,220 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 195 transitions. Word has length 69 [2019-10-14 23:38:47,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:38:47,220 INFO L462 AbstractCegarLoop]: Abstraction has 178 states and 195 transitions. [2019-10-14 23:38:47,221 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-14 23:38:47,221 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 195 transitions. [2019-10-14 23:38:47,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2019-10-14 23:38:47,222 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:38:47,223 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-10-14 23:38:47,223 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:38:47,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:38:47,224 INFO L82 PathProgramCache]: Analyzing trace with hash 490046148, now seen corresponding path program 1 times [2019-10-14 23:38:47,224 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:38:47,224 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079588850] [2019-10-14 23:38:47,224 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:38:47,224 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:38:47,224 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:38:47,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:47,532 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-14 23:38:47,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:47,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:47,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:47,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:47,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:47,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:47,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:47,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:47,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:47,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:47,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:47,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:47,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:47,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:47,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:47,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:47,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:47,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:47,659 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-10-14 23:38:47,660 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079588850] [2019-10-14 23:38:47,660 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [947463252] [2019-10-14 23:38:47,660 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 23:38:47,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:47,853 INFO L256 TraceCheckSpWp]: Trace formula consists of 791 conjuncts, 15 conjunts are in the unsatisfiable core [2019-10-14 23:38:47,864 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-14 23:38:48,022 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 34 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-14 23:38:48,023 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-14 23:38:48,023 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7] total 15 [2019-10-14 23:38:48,024 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479242036] [2019-10-14 23:38:48,026 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-10-14 23:38:48,026 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:38:48,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-10-14 23:38:48,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2019-10-14 23:38:48,027 INFO L87 Difference]: Start difference. First operand 178 states and 195 transitions. Second operand 15 states. [2019-10-14 23:38:48,574 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-14 23:38:49,392 WARN L191 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-14 23:38:50,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:38:50,231 INFO L93 Difference]: Finished difference Result 240 states and 272 transitions. [2019-10-14 23:38:50,232 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-14 23:38:50,232 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 110 [2019-10-14 23:38:50,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:38:50,233 INFO L225 Difference]: With dead ends: 240 [2019-10-14 23:38:50,233 INFO L226 Difference]: Without dead ends: 0 [2019-10-14 23:38:50,234 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=96, Invalid=324, Unknown=0, NotChecked=0, Total=420 [2019-10-14 23:38:50,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-14 23:38:50,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-14 23:38:50,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-14 23:38:50,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-14 23:38:50,236 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 110 [2019-10-14 23:38:50,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:38:50,236 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-14 23:38:50,236 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-10-14 23:38:50,236 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-14 23:38:50,236 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-14 23:38:50,438 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 23:38:50,443 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-14 23:38:50,835 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 208 [2019-10-14 23:38:50,992 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 208 [2019-10-14 23:38:52,327 WARN L191 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 19 [2019-10-14 23:38:52,519 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2019-10-14 23:38:52,975 WARN L191 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 24 [2019-10-14 23:38:53,201 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2019-10-14 23:38:53,378 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 22 [2019-10-14 23:38:53,500 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 22 [2019-10-14 23:38:53,679 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2019-10-14 23:38:53,813 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 22 [2019-10-14 23:38:53,966 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2019-10-14 23:38:54,429 WARN L191 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 19 [2019-10-14 23:38:54,664 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-14 23:38:55,132 WARN L191 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 24 [2019-10-14 23:38:55,293 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2019-10-14 23:38:55,740 WARN L191 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 20 [2019-10-14 23:38:55,912 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 22 [2019-10-14 23:38:56,353 WARN L191 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 19 [2019-10-14 23:38:56,808 WARN L191 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 20 [2019-10-14 23:38:56,959 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2019-10-14 23:38:57,440 WARN L191 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 19 [2019-10-14 23:38:57,884 WARN L191 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 24 [2019-10-14 23:38:58,044 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2019-10-14 23:38:58,208 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2019-10-14 23:38:58,369 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2019-10-14 23:38:58,521 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2019-10-14 23:38:58,670 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2019-10-14 23:38:58,895 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 22 [2019-10-14 23:38:59,329 WARN L191 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 19 [2019-10-14 23:38:59,520 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2019-10-14 23:38:59,552 INFO L443 ceAbstractionStarter]: For program point L539(lines 516 540) no Hoare annotation was computed. [2019-10-14 23:38:59,552 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 492 547) no Hoare annotation was computed. [2019-10-14 23:38:59,552 INFO L443 ceAbstractionStarter]: For program point L523(lines 523 527) no Hoare annotation was computed. [2019-10-14 23:38:59,553 INFO L443 ceAbstractionStarter]: For program point L523-1(lines 523 527) no Hoare annotation was computed. [2019-10-14 23:38:59,553 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 492 547) no Hoare annotation was computed. [2019-10-14 23:38:59,553 INFO L443 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2019-10-14 23:38:59,553 INFO L443 ceAbstractionStarter]: For program point L517-2(lines 517 538) no Hoare annotation was computed. [2019-10-14 23:38:59,553 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 492 547) no Hoare annotation was computed. [2019-10-14 23:38:59,553 INFO L443 ceAbstractionStarter]: For program point L575(line 575) no Hoare annotation was computed. [2019-10-14 23:38:59,553 INFO L443 ceAbstractionStarter]: For program point L574-2(lines 574 599) no Hoare annotation was computed. [2019-10-14 23:38:59,553 INFO L443 ceAbstractionStarter]: For program point L600(lines 573 601) no Hoare annotation was computed. [2019-10-14 23:38:59,553 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 548 607) no Hoare annotation was computed. [2019-10-14 23:38:59,553 INFO L443 ceAbstractionStarter]: For program point L593(line 593) no Hoare annotation was computed. [2019-10-14 23:38:59,553 INFO L443 ceAbstractionStarter]: For program point L593-1(line 593) no Hoare annotation was computed. [2019-10-14 23:38:59,554 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 548 607) no Hoare annotation was computed. [2019-10-14 23:38:59,554 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 548 607) no Hoare annotation was computed. [2019-10-14 23:38:59,554 INFO L443 ceAbstractionStarter]: For program point L580(lines 580 584) no Hoare annotation was computed. [2019-10-14 23:38:59,554 INFO L443 ceAbstractionStarter]: For program point L580-1(lines 580 584) no Hoare annotation was computed. [2019-10-14 23:38:59,554 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 923 929) the Hoare annotation is: true [2019-10-14 23:38:59,554 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 923 929) no Hoare annotation was computed. [2019-10-14 23:38:59,554 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 930 938) no Hoare annotation was computed. [2019-10-14 23:38:59,554 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 930 938) the Hoare annotation is: true [2019-10-14 23:38:59,554 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 930 938) no Hoare annotation was computed. [2019-10-14 23:38:59,554 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 138 162) the Hoare annotation is: true [2019-10-14 23:38:59,555 INFO L439 ceAbstractionStarter]: At program point L152(line 152) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-14 23:38:59,555 INFO L443 ceAbstractionStarter]: For program point L150(lines 150 156) no Hoare annotation was computed. [2019-10-14 23:38:59,555 INFO L439 ceAbstractionStarter]: At program point L148(line 148) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-14 23:38:59,555 INFO L443 ceAbstractionStarter]: For program point L148-1(line 148) no Hoare annotation was computed. [2019-10-14 23:38:59,555 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 138 162) no Hoare annotation was computed. [2019-10-14 23:38:59,555 INFO L443 ceAbstractionStarter]: For program point L146(lines 146 159) no Hoare annotation was computed. [2019-10-14 23:38:59,555 INFO L443 ceAbstractionStarter]: For program point L146-1(lines 138 162) no Hoare annotation was computed. [2019-10-14 23:38:59,556 INFO L446 ceAbstractionStarter]: At program point L144(line 144) the Hoare annotation is: true [2019-10-14 23:38:59,556 INFO L443 ceAbstractionStarter]: For program point L144-1(line 144) no Hoare annotation was computed. [2019-10-14 23:38:59,556 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 881 903) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-14 23:38:59,556 INFO L439 ceAbstractionStarter]: At program point L893(line 893) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= main_~tmp~9 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-14 23:38:59,556 INFO L439 ceAbstractionStarter]: At program point L893-1(line 893) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= main_~tmp~9 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-14 23:38:59,557 INFO L443 ceAbstractionStarter]: For program point L891(lines 891 898) no Hoare annotation was computed. [2019-10-14 23:38:59,557 INFO L443 ceAbstractionStarter]: For program point L891-1(lines 891 898) no Hoare annotation was computed. [2019-10-14 23:38:59,557 INFO L443 ceAbstractionStarter]: For program point L889(line 889) no Hoare annotation was computed. [2019-10-14 23:38:59,557 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 881 903) no Hoare annotation was computed. [2019-10-14 23:38:59,557 INFO L439 ceAbstractionStarter]: At program point L888(line 888) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-14 23:38:59,557 INFO L439 ceAbstractionStarter]: At program point L887(line 887) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-14 23:38:59,558 INFO L439 ceAbstractionStarter]: At program point L887-1(line 887) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-14 23:38:59,558 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 881 903) no Hoare annotation was computed. [2019-10-14 23:38:59,558 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 837 860) no Hoare annotation was computed. [2019-10-14 23:38:59,558 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 837 860) no Hoare annotation was computed. [2019-10-14 23:38:59,558 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 837 860) no Hoare annotation was computed. [2019-10-14 23:38:59,558 INFO L443 ceAbstractionStarter]: For program point L855(line 855) no Hoare annotation was computed. [2019-10-14 23:38:59,558 INFO L443 ceAbstractionStarter]: For program point L854(line 854) no Hoare annotation was computed. [2019-10-14 23:38:59,559 INFO L443 ceAbstractionStarter]: For program point L853(line 853) no Hoare annotation was computed. [2019-10-14 23:38:59,559 INFO L443 ceAbstractionStarter]: For program point L852(line 852) no Hoare annotation was computed. [2019-10-14 23:38:59,559 INFO L443 ceAbstractionStarter]: For program point L851(line 851) no Hoare annotation was computed. [2019-10-14 23:38:59,559 INFO L443 ceAbstractionStarter]: For program point L850(line 850) no Hoare annotation was computed. [2019-10-14 23:38:59,559 INFO L443 ceAbstractionStarter]: For program point L849(line 849) no Hoare annotation was computed. [2019-10-14 23:38:59,559 INFO L443 ceAbstractionStarter]: For program point L848(line 848) no Hoare annotation was computed. [2019-10-14 23:38:59,559 INFO L443 ceAbstractionStarter]: For program point L847(line 847) no Hoare annotation was computed. [2019-10-14 23:38:59,560 INFO L443 ceAbstractionStarter]: For program point L846(line 846) no Hoare annotation was computed. [2019-10-14 23:38:59,560 INFO L443 ceAbstractionStarter]: For program point L845(line 845) no Hoare annotation was computed. [2019-10-14 23:38:59,560 INFO L443 ceAbstractionStarter]: For program point L844(line 844) no Hoare annotation was computed. [2019-10-14 23:38:59,560 INFO L443 ceAbstractionStarter]: For program point L843(line 843) no Hoare annotation was computed. [2019-10-14 23:38:59,560 INFO L443 ceAbstractionStarter]: For program point L842(line 842) no Hoare annotation was computed. [2019-10-14 23:38:59,560 INFO L439 ceAbstractionStarter]: At program point L223(line 223) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse1 .cse0 (not (<= 2 ~waterLevel~0)) .cse2))) [2019-10-14 23:38:59,560 INFO L443 ceAbstractionStarter]: For program point L223-1(lines 204 228) no Hoare annotation was computed. [2019-10-14 23:38:59,561 INFO L439 ceAbstractionStarter]: At program point L218(line 218) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-14 23:38:59,561 INFO L439 ceAbstractionStarter]: At program point L214(line 214) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-14 23:38:59,561 INFO L443 ceAbstractionStarter]: For program point L212(lines 212 220) no Hoare annotation was computed. [2019-10-14 23:38:59,561 INFO L439 ceAbstractionStarter]: At program point L210(line 210) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-14 23:38:59,561 INFO L443 ceAbstractionStarter]: For program point L210-1(line 210) no Hoare annotation was computed. [2019-10-14 23:38:59,561 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 204 228) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse1 .cse0 (not (<= 2 ~waterLevel~0)) .cse2))) [2019-10-14 23:38:59,561 INFO L443 ceAbstractionStarter]: For program point L208(lines 208 225) no Hoare annotation was computed. [2019-10-14 23:38:59,562 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 204 228) no Hoare annotation was computed. [2019-10-14 23:38:59,562 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 299 307) no Hoare annotation was computed. [2019-10-14 23:38:59,562 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 299 307) the Hoare annotation is: true [2019-10-14 23:38:59,562 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 299 307) no Hoare annotation was computed. [2019-10-14 23:38:59,562 INFO L443 ceAbstractionStarter]: For program point L353(lines 353 357) no Hoare annotation was computed. [2019-10-14 23:38:59,562 INFO L446 ceAbstractionStarter]: At program point L351(line 351) the Hoare annotation is: true [2019-10-14 23:38:59,562 INFO L443 ceAbstractionStarter]: For program point L353-2(lines 353 357) no Hoare annotation was computed. [2019-10-14 23:38:59,562 INFO L443 ceAbstractionStarter]: For program point L351-1(line 351) no Hoare annotation was computed. [2019-10-14 23:38:59,562 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 344 362) the Hoare annotation is: true [2019-10-14 23:38:59,563 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 344 362) no Hoare annotation was computed. [2019-10-14 23:38:59,563 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 344 362) no Hoare annotation was computed. [2019-10-14 23:38:59,563 INFO L443 ceAbstractionStarter]: For program point L315(lines 315 323) no Hoare annotation was computed. [2019-10-14 23:38:59,563 INFO L443 ceAbstractionStarter]: For program point L315-2(lines 315 323) no Hoare annotation was computed. [2019-10-14 23:38:59,563 INFO L443 ceAbstractionStarter]: For program point L338(line 338) no Hoare annotation was computed. [2019-10-14 23:38:59,563 INFO L443 ceAbstractionStarter]: For program point L338-1(line 338) no Hoare annotation was computed. [2019-10-14 23:38:59,563 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 308 343) no Hoare annotation was computed. [2019-10-14 23:38:59,563 INFO L443 ceAbstractionStarter]: For program point L327(lines 327 335) no Hoare annotation was computed. [2019-10-14 23:38:59,564 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 308 343) no Hoare annotation was computed. [2019-10-14 23:38:59,564 INFO L443 ceAbstractionStarter]: For program point L327-2(lines 327 335) no Hoare annotation was computed. [2019-10-14 23:38:59,564 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 308 343) no Hoare annotation was computed. [2019-10-14 23:38:59,564 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 916 922) no Hoare annotation was computed. [2019-10-14 23:38:59,564 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 916 922) the Hoare annotation is: true [2019-10-14 23:38:59,564 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 446 491) no Hoare annotation was computed. [2019-10-14 23:38:59,564 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 446 491) no Hoare annotation was computed. [2019-10-14 23:38:59,564 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 446 491) no Hoare annotation was computed. [2019-10-14 23:38:59,565 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 759 804) no Hoare annotation was computed. [2019-10-14 23:38:59,565 INFO L443 ceAbstractionStarter]: For program point L779(lines 779 786) no Hoare annotation was computed. [2019-10-14 23:38:59,565 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 759 804) no Hoare annotation was computed. [2019-10-14 23:38:59,565 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 759 804) no Hoare annotation was computed. [2019-10-14 23:38:59,565 INFO L443 ceAbstractionStarter]: For program point L773(lines 773 793) no Hoare annotation was computed. [2019-10-14 23:38:59,565 INFO L443 ceAbstractionStarter]: For program point L773-1(lines 773 793) no Hoare annotation was computed. [2019-10-14 23:38:59,565 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 868 877) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-14 23:38:59,566 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 868 877) no Hoare annotation was computed. [2019-10-14 23:38:59,566 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 868 877) no Hoare annotation was computed. [2019-10-14 23:38:59,566 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 288 298) the Hoare annotation is: true [2019-10-14 23:38:59,566 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 288 298) no Hoare annotation was computed. [2019-10-14 23:38:59,566 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 288 298) no Hoare annotation was computed. [2019-10-14 23:38:59,566 INFO L446 ceAbstractionStarter]: At program point L293(line 293) the Hoare annotation is: true [2019-10-14 23:38:59,566 INFO L443 ceAbstractionStarter]: For program point L293-1(line 293) no Hoare annotation was computed. [2019-10-14 23:38:59,566 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 280 287) the Hoare annotation is: true [2019-10-14 23:38:59,566 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 280 287) no Hoare annotation was computed. [2019-10-14 23:38:59,567 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 280 287) no Hoare annotation was computed. [2019-10-14 23:38:59,567 INFO L439 ceAbstractionStarter]: At program point L249(line 249) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse1 .cse0 (not (<= 2 ~waterLevel~0)) .cse2))) [2019-10-14 23:38:59,567 INFO L443 ceAbstractionStarter]: For program point L249-1(lines 230 254) no Hoare annotation was computed. [2019-10-14 23:38:59,567 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 230 254) no Hoare annotation was computed. [2019-10-14 23:38:59,567 INFO L439 ceAbstractionStarter]: At program point L244(line 244) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-14 23:38:59,567 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 230 254) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse1 .cse0 (not (<= 2 ~waterLevel~0)) .cse2))) [2019-10-14 23:38:59,568 INFO L439 ceAbstractionStarter]: At program point L240(line 240) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-14 23:38:59,568 INFO L443 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2019-10-14 23:38:59,568 INFO L439 ceAbstractionStarter]: At program point L236(line 236) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-14 23:38:59,568 INFO L443 ceAbstractionStarter]: For program point L236-1(line 236) no Hoare annotation was computed. [2019-10-14 23:38:59,568 INFO L443 ceAbstractionStarter]: For program point L234(lines 234 251) no Hoare annotation was computed. [2019-10-14 23:38:59,568 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 196 202) no Hoare annotation was computed. [2019-10-14 23:38:59,568 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 196 202) the Hoare annotation is: true [2019-10-14 23:38:59,569 INFO L443 ceAbstractionStarter]: For program point L384(lines 383 430) no Hoare annotation was computed. [2019-10-14 23:38:59,569 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 373 438) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-14 23:38:59,569 INFO L439 ceAbstractionStarter]: At program point L415(line 415) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (and (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 test_~splverifierCounter~0)) (<= 1 ~waterLevel~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-14 23:38:59,569 INFO L443 ceAbstractionStarter]: For program point L413(lines 413 426) no Hoare annotation was computed. [2019-10-14 23:38:59,569 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 373 438) no Hoare annotation was computed. [2019-10-14 23:38:59,569 INFO L439 ceAbstractionStarter]: At program point L405(line 405) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (and (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 test_~splverifierCounter~0)) (<= 1 ~waterLevel~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-14 23:38:59,570 INFO L443 ceAbstractionStarter]: For program point L403(lines 403 409) no Hoare annotation was computed. [2019-10-14 23:38:59,570 INFO L443 ceAbstractionStarter]: For program point L403-1(lines 403 409) no Hoare annotation was computed. [2019-10-14 23:38:59,570 INFO L439 ceAbstractionStarter]: At program point L428(lines 383 430) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (and (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 test_~splverifierCounter~0)) (<= 1 ~waterLevel~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-14 23:38:59,570 INFO L439 ceAbstractionStarter]: At program point L395(line 395) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (and (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 test_~splverifierCounter~0)) (<= 1 ~waterLevel~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-14 23:38:59,570 INFO L443 ceAbstractionStarter]: For program point L393(lines 393 399) no Hoare annotation was computed. [2019-10-14 23:38:59,570 INFO L443 ceAbstractionStarter]: For program point L393-1(lines 393 399) no Hoare annotation was computed. [2019-10-14 23:38:59,570 INFO L443 ceAbstractionStarter]: For program point L385(lines 385 389) no Hoare annotation was computed. [2019-10-14 23:38:59,571 INFO L439 ceAbstractionStarter]: At program point L431(lines 382 432) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-14 23:38:59,571 INFO L443 ceAbstractionStarter]: For program point L421(lines 421 425) no Hoare annotation was computed. [2019-10-14 23:38:59,571 INFO L439 ceAbstractionStarter]: At program point L421-2(lines 413 426) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (and (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 test_~splverifierCounter~0)) (<= 1 ~waterLevel~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-14 23:38:59,571 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 373 438) no Hoare annotation was computed. [2019-10-14 23:38:59,571 INFO L443 ceAbstractionStarter]: For program point L733(lines 733 740) no Hoare annotation was computed. [2019-10-14 23:38:59,571 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 713 758) no Hoare annotation was computed. [2019-10-14 23:38:59,571 INFO L443 ceAbstractionStarter]: For program point L727(lines 727 747) no Hoare annotation was computed. [2019-10-14 23:38:59,572 INFO L443 ceAbstractionStarter]: For program point L727-1(lines 727 747) no Hoare annotation was computed. [2019-10-14 23:38:59,572 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 713 758) no Hoare annotation was computed. [2019-10-14 23:38:59,572 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 713 758) no Hoare annotation was computed. [2019-10-14 23:38:59,572 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 255 262) no Hoare annotation was computed. [2019-10-14 23:38:59,572 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 255 262) no Hoare annotation was computed. [2019-10-14 23:38:59,572 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 255 262) no Hoare annotation was computed. [2019-10-14 23:38:59,572 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 126 134) no Hoare annotation was computed. [2019-10-14 23:38:59,572 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 126 134) the Hoare annotation is: true [2019-10-14 23:38:59,573 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 126 134) no Hoare annotation was computed. [2019-10-14 23:38:59,573 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 94 116) no Hoare annotation was computed. [2019-10-14 23:38:59,573 INFO L443 ceAbstractionStarter]: For program point L102(lines 102 110) no Hoare annotation was computed. [2019-10-14 23:38:59,573 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 94 116) no Hoare annotation was computed. [2019-10-14 23:38:59,573 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 94 116) no Hoare annotation was computed. [2019-10-14 23:38:59,573 INFO L443 ceAbstractionStarter]: For program point L102-2(lines 102 110) no Hoare annotation was computed. [2019-10-14 23:38:59,573 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 610 712) no Hoare annotation was computed. [2019-10-14 23:38:59,574 INFO L443 ceAbstractionStarter]: For program point L634(lines 634 638) no Hoare annotation was computed. [2019-10-14 23:38:59,574 INFO L443 ceAbstractionStarter]: For program point L698(lines 698 709) no Hoare annotation was computed. [2019-10-14 23:38:59,574 INFO L443 ceAbstractionStarter]: For program point L661(lines 661 665) no Hoare annotation was computed. [2019-10-14 23:38:59,574 INFO L443 ceAbstractionStarter]: For program point L659-2(lines 659 679) no Hoare annotation was computed. [2019-10-14 23:38:59,574 INFO L443 ceAbstractionStarter]: For program point L680(lines 658 681) no Hoare annotation was computed. [2019-10-14 23:38:59,574 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 610 712) no Hoare annotation was computed. [2019-10-14 23:38:59,574 INFO L443 ceAbstractionStarter]: For program point L639(lines 639 655) no Hoare annotation was computed. [2019-10-14 23:38:59,574 INFO L443 ceAbstractionStarter]: For program point L699(lines 699 706) no Hoare annotation was computed. [2019-10-14 23:38:59,575 INFO L443 ceAbstractionStarter]: For program point L660(lines 659 679) no Hoare annotation was computed. [2019-10-14 23:38:59,575 INFO L443 ceAbstractionStarter]: For program point L691(line 691) no Hoare annotation was computed. [2019-10-14 23:38:59,575 INFO L443 ceAbstractionStarter]: For program point L691-1(line 691) no Hoare annotation was computed. [2019-10-14 23:38:59,575 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 610 712) no Hoare annotation was computed. [2019-10-14 23:38:59,575 INFO L443 ceAbstractionStarter]: For program point L656(lines 656 697) no Hoare annotation was computed. [2019-10-14 23:38:59,575 INFO L443 ceAbstractionStarter]: For program point L675(line 675) no Hoare annotation was computed. [2019-10-14 23:38:59,575 INFO L443 ceAbstractionStarter]: For program point L675-1(line 675) no Hoare annotation was computed. [2019-10-14 23:38:59,575 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 906 915) no Hoare annotation was computed. [2019-10-14 23:38:59,576 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 906 915) no Hoare annotation was computed. [2019-10-14 23:38:59,576 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 906 915) no Hoare annotation was computed. [2019-10-14 23:38:59,576 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-14 23:38:59,576 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string25.base| |old(#t~string25.base)|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string1.offset| |old(#t~string1.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string17.base| |old(#t~string17.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |old(#length)| |#length|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|)) [2019-10-14 23:38:59,576 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-14 23:38:59,576 INFO L443 ceAbstractionStarter]: For program point L274-1(lines 263 279) no Hoare annotation was computed. [2019-10-14 23:38:59,577 INFO L443 ceAbstractionStarter]: For program point L270(lines 270 276) no Hoare annotation was computed. [2019-10-14 23:38:59,577 INFO L443 ceAbstractionStarter]: For program point L268(line 268) no Hoare annotation was computed. [2019-10-14 23:38:59,577 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 263 279) no Hoare annotation was computed. [2019-10-14 23:38:59,577 INFO L443 ceAbstractionStarter]: For program point L268-1(line 268) no Hoare annotation was computed. [2019-10-14 23:38:59,577 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 263 279) no Hoare annotation was computed. [2019-10-14 23:38:59,577 INFO L443 ceAbstractionStarter]: For program point L274(line 274) no Hoare annotation was computed. [2019-10-14 23:38:59,577 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 117 125) the Hoare annotation is: true [2019-10-14 23:38:59,578 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 117 125) no Hoare annotation was computed. [2019-10-14 23:38:59,578 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2019-10-14 23:38:59,578 INFO L443 ceAbstractionStarter]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2019-10-14 23:38:59,578 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or .cse1 .cse0 .cse2 (not (= ~waterLevel~0 1))))) [2019-10-14 23:38:59,578 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2019-10-14 23:38:59,578 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-14 23:38:59,578 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-14 23:38:59,579 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-14 23:38:59,579 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2019-10-14 23:38:59,579 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2019-10-14 23:38:59,579 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2019-10-14 23:38:59,579 INFO L439 ceAbstractionStarter]: At program point L185(line 185) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= ~pumpRunning~0 0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse0) .cse1 (not (<= 2 |old(~waterLevel~0)|)) .cse2) (or .cse1 (and (= 1 ~waterLevel~0) .cse0) .cse2 (not (= |old(~waterLevel~0)| 1))))) [2019-10-14 23:38:59,579 INFO L439 ceAbstractionStarter]: At program point L183(lines 183 189) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (and (= 1 ~waterLevel~0) .cse1) .cse2 (not (= |old(~waterLevel~0)| 1))) (or .cse0 (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1) (not (<= 2 |old(~waterLevel~0)|)) .cse2))) [2019-10-14 23:38:59,580 INFO L439 ceAbstractionStarter]: At program point L178(line 178) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1))) [2019-10-14 23:38:59,580 INFO L443 ceAbstractionStarter]: For program point L176(lines 175 194) no Hoare annotation was computed. [2019-10-14 23:38:59,580 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 172 195) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= ~pumpRunning~0 0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse0) .cse1 (not (<= 2 |old(~waterLevel~0)|)) .cse2) (or .cse1 (and (= 1 ~waterLevel~0) .cse0) .cse2 (not (= |old(~waterLevel~0)| 1))))) [2019-10-14 23:38:59,580 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 172 195) no Hoare annotation was computed. [2019-10-14 23:38:59,580 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 172 195) no Hoare annotation was computed. [2019-10-14 23:38:59,580 INFO L446 ceAbstractionStarter]: At program point L832(lines 807 836) the Hoare annotation is: true [2019-10-14 23:38:59,580 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 807 836) no Hoare annotation was computed. [2019-10-14 23:38:59,580 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 807 836) the Hoare annotation is: true [2019-10-14 23:38:59,581 INFO L443 ceAbstractionStarter]: For program point L828(line 828) no Hoare annotation was computed. [2019-10-14 23:38:59,581 INFO L443 ceAbstractionStarter]: For program point L821(lines 821 825) no Hoare annotation was computed. [2019-10-14 23:38:59,581 INFO L446 ceAbstractionStarter]: At program point L821-1(lines 821 825) the Hoare annotation is: true [2019-10-14 23:38:59,581 INFO L443 ceAbstractionStarter]: For program point L818(line 818) no Hoare annotation was computed. [2019-10-14 23:38:59,581 INFO L446 ceAbstractionStarter]: At program point L817-2(lines 817 831) the Hoare annotation is: true [2019-10-14 23:38:59,581 INFO L446 ceAbstractionStarter]: At program point L813(line 813) the Hoare annotation is: true [2019-10-14 23:38:59,581 INFO L443 ceAbstractionStarter]: For program point L813-1(line 813) no Hoare annotation was computed. [2019-10-14 23:38:59,581 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: true [2019-10-14 23:38:59,582 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2019-10-14 23:38:59,582 INFO L443 ceAbstractionStarter]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2019-10-14 23:38:59,582 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 861 867) no Hoare annotation was computed. [2019-10-14 23:38:59,582 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 861 867) the Hoare annotation is: true [2019-10-14 23:38:59,582 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-14 23:38:59,582 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-14 23:38:59,582 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-14 23:38:59,582 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-14 23:38:59,582 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 363 370) no Hoare annotation was computed. [2019-10-14 23:38:59,583 INFO L439 ceAbstractionStarter]: At program point startSystemENTRY(lines 363 370) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 |old(~systemActive~0)|)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= |old(~systemActive~0)| 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse1 .cse0 (not (<= 2 ~waterLevel~0)) .cse2))) [2019-10-14 23:38:59,583 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 363 370) no Hoare annotation was computed. [2019-10-14 23:38:59,583 INFO L443 ceAbstractionStarter]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2019-10-14 23:38:59,583 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2019-10-14 23:38:59,583 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (= ~waterLevel~0 |old(~waterLevel~0)|) .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 (= 1 ~waterLevel~0) .cse1 (not (= |old(~waterLevel~0)| 1))))) [2019-10-14 23:38:59,583 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 940 947) no Hoare annotation was computed. [2019-10-14 23:38:59,584 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 944) no Hoare annotation was computed. [2019-10-14 23:38:59,584 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 940 947) the Hoare annotation is: true [2019-10-14 23:38:59,584 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 940 947) no Hoare annotation was computed. [2019-10-14 23:38:59,598 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 11:38:59 BoogieIcfgContainer [2019-10-14 23:38:59,598 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-14 23:38:59,600 INFO L168 Benchmark]: Toolchain (without parser) took 30632.47 ms. Allocated memory was 136.8 MB in the beginning and 669.5 MB in the end (delta: 532.7 MB). Free memory was 99.4 MB in the beginning and 213.0 MB in the end (delta: -113.6 MB). Peak memory consumption was 522.9 MB. Max. memory is 7.1 GB. [2019-10-14 23:38:59,601 INFO L168 Benchmark]: CDTParser took 0.56 ms. Allocated memory is still 136.8 MB. Free memory was 118.9 MB in the beginning and 118.6 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-14 23:38:59,601 INFO L168 Benchmark]: CACSL2BoogieTranslator took 731.12 ms. Allocated memory was 136.8 MB in the beginning and 200.8 MB in the end (delta: 64.0 MB). Free memory was 99.2 MB in the beginning and 168.9 MB in the end (delta: -69.7 MB). Peak memory consumption was 27.1 MB. Max. memory is 7.1 GB. [2019-10-14 23:38:59,602 INFO L168 Benchmark]: Boogie Preprocessor took 87.18 ms. Allocated memory is still 200.8 MB. Free memory was 168.9 MB in the beginning and 164.8 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-10-14 23:38:59,603 INFO L168 Benchmark]: RCFGBuilder took 1195.67 ms. Allocated memory was 200.8 MB in the beginning and 230.7 MB in the end (delta: 29.9 MB). Free memory was 164.8 MB in the beginning and 197.6 MB in the end (delta: -32.9 MB). Peak memory consumption was 86.6 MB. Max. memory is 7.1 GB. [2019-10-14 23:38:59,604 INFO L168 Benchmark]: TraceAbstraction took 28610.79 ms. Allocated memory was 230.7 MB in the beginning and 669.5 MB in the end (delta: 438.8 MB). Free memory was 197.6 MB in the beginning and 213.0 MB in the end (delta: -15.4 MB). Peak memory consumption was 527.2 MB. Max. memory is 7.1 GB. [2019-10-14 23:38:59,607 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.56 ms. Allocated memory is still 136.8 MB. Free memory was 118.9 MB in the beginning and 118.6 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 731.12 ms. Allocated memory was 136.8 MB in the beginning and 200.8 MB in the end (delta: 64.0 MB). Free memory was 99.2 MB in the beginning and 168.9 MB in the end (delta: -69.7 MB). Peak memory consumption was 27.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 87.18 ms. Allocated memory is still 200.8 MB. Free memory was 168.9 MB in the beginning and 164.8 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1195.67 ms. Allocated memory was 200.8 MB in the beginning and 230.7 MB in the end (delta: 29.9 MB). Free memory was 164.8 MB in the beginning and 197.6 MB in the end (delta: -32.9 MB). Peak memory consumption was 86.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 28610.79 ms. Allocated memory was 230.7 MB in the beginning and 669.5 MB in the end (delta: 438.8 MB). Free memory was 197.6 MB in the beginning and 213.0 MB in the end (delta: -15.4 MB). Peak memory consumption was 527.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 944]: 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: 807]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 383]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (((1 == systemActive && pumpRunning == \old(pumpRunning)) && 0 == splverifierCounter) && 1 <= waterLevel)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 817]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 382]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 235 locations, 1 error locations. Result: SAFE, OverallTime: 28.5s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 15.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.1s, HoareTripleCheckerStatistics: 599 SDtfs, 1198 SDslu, 498 SDs, 0 SdLazy, 3019 SolverSat, 828 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 310 GetRequests, 244 SyntacticMatches, 1 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 7.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=292occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 171 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 59 LocationsWithAnnotation, 424 PreInvPairs, 447 NumberOfFragments, 1177 HoareAnnotationTreeSize, 424 FomulaSimplifications, 48180 FormulaSimplificationTreeSizeReduction, 1.4s HoareSimplificationTime, 59 FomulaSimplificationsInter, 10541 FormulaSimplificationTreeSizeReductionInter, 7.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 499 NumberOfCodeBlocks, 499 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 492 ConstructedInterpolants, 0 QuantifiedInterpolants, 150399 SizeOfPredicates, 3 NumberOfNonLiveVariables, 791 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 71/74 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...