java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product46.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:04:19,814 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:04:19,816 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:04:19,828 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:04:19,829 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:04:19,830 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:04:19,831 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:04:19,833 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:04:19,835 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:04:19,836 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:04:19,837 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:04:19,838 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:04:19,839 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:04:19,840 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:04:19,841 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:04:19,842 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:04:19,843 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:04:19,844 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:04:19,846 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:04:19,848 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:04:19,850 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:04:19,852 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:04:19,853 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:04:19,854 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:04:19,856 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 13:04:19,857 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 13:04:19,857 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 13:04:19,858 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 13:04:19,859 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 13:04:19,860 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 13:04:19,860 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:04:19,861 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:04:19,862 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:04:19,863 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:04:19,864 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:04:19,864 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:04:19,865 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:04:19,865 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:04:19,865 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:04:19,866 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:04:19,867 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:04:19,868 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 [2019-09-20 13:04:19,883 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:04:19,884 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:04:19,885 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 13:04:19,885 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 13:04:19,885 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 13:04:19,886 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:04:19,886 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:04:19,886 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 13:04:19,886 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:04:19,886 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:04:19,886 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:04:19,887 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:04:19,887 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:04:19,887 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:04:19,887 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:04:19,887 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 13:04:19,888 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:04:19,888 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:04:19,888 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:04:19,888 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 13:04:19,888 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 13:04:19,889 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:04:19,889 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:04:19,889 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:04:19,889 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 13:04:19,889 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 13:04:19,890 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:04:19,890 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 13:04:19,890 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:04:19,919 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:04:19,933 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:04:19,937 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:04:19,938 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:04:19,939 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:04:19,940 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product46.cil.c [2019-09-20 13:04:20,013 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca4529b7b/956d67f6138643f08080b343d85f78cd/FLAGdc705aa1b [2019-09-20 13:04:20,587 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:04:20,587 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product46.cil.c [2019-09-20 13:04:20,601 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca4529b7b/956d67f6138643f08080b343d85f78cd/FLAGdc705aa1b [2019-09-20 13:04:20,815 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca4529b7b/956d67f6138643f08080b343d85f78cd [2019-09-20 13:04:20,824 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:04:20,825 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:04:20,826 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:04:20,826 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:04:20,830 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:04:20,831 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:04:20" (1/1) ... [2019-09-20 13:04:20,834 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c9b5beb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:20, skipping insertion in model container [2019-09-20 13:04:20,834 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:04:20" (1/1) ... [2019-09-20 13:04:20,841 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:04:20,900 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:04:21,344 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:04:21,359 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:04:21,496 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:04:21,537 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:04:21,537 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:21 WrapperNode [2019-09-20 13:04:21,537 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:04:21,538 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:04:21,538 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:04:21,538 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:04:21,549 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:21" (1/1) ... [2019-09-20 13:04:21,549 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:21" (1/1) ... [2019-09-20 13:04:21,568 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:21" (1/1) ... [2019-09-20 13:04:21,568 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:21" (1/1) ... [2019-09-20 13:04:21,605 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:21" (1/1) ... [2019-09-20 13:04:21,615 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:21" (1/1) ... [2019-09-20 13:04:21,621 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:21" (1/1) ... [2019-09-20 13:04:21,629 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:04:21,629 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:04:21,629 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:04:21,630 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:04:21,631 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:21" (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 [2019-09-20 13:04:21,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:04:21,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:04:21,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 13:04:21,699 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 13:04:21,702 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 13:04:21,703 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 13:04:21,703 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-09-20 13:04:21,703 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 13:04:21,703 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2019-09-20 13:04:21,703 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 13:04:21,703 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 13:04:21,704 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 13:04:21,704 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 13:04:21,704 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 13:04:21,705 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-20 13:04:21,705 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-20 13:04:21,708 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 13:04:21,708 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 13:04:21,708 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 13:04:21,708 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 13:04:21,709 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:04:21,709 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 13:04:21,710 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 13:04:21,710 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 13:04:21,710 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 13:04:21,710 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 13:04:21,711 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-09-20 13:04:21,711 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 13:04:21,711 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 13:04:21,711 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 13:04:21,711 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 13:04:21,711 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 13:04:21,712 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 13:04:21,712 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-20 13:04:21,712 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 13:04:21,712 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 13:04:21,712 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 13:04:21,712 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 13:04:21,712 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 13:04:21,713 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 13:04:21,713 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:04:21,713 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:04:21,714 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 13:04:21,714 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 13:04:21,714 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 13:04:21,714 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-20 13:04:21,714 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 13:04:21,714 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 13:04:21,715 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 13:04:21,715 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 13:04:21,715 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 13:04:21,715 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 13:04:21,715 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-20 13:04:21,715 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 13:04:21,715 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 13:04:21,716 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 13:04:21,716 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 13:04:21,716 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-09-20 13:04:21,716 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 13:04:21,716 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 13:04:21,716 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-20 13:04:21,716 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-09-20 13:04:21,717 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 13:04:21,717 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2019-09-20 13:04:21,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:04:21,717 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 13:04:21,718 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 13:04:21,718 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 13:04:21,718 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 13:04:21,718 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 13:04:21,719 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 13:04:21,719 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:04:21,719 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 13:04:21,719 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 13:04:21,720 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 13:04:21,720 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 13:04:21,720 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 13:04:21,720 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 13:04:21,721 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 13:04:21,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 13:04:21,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 13:04:21,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 13:04:21,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 13:04:21,722 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 13:04:21,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:04:21,722 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 13:04:21,722 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 13:04:21,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 13:04:21,723 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 13:04:21,724 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 13:04:21,724 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 13:04:21,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:04:21,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 13:04:21,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:04:22,921 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:04:22,921 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 13:04:22,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:04:22 BoogieIcfgContainer [2019-09-20 13:04:22,923 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:04:22,924 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:04:22,924 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:04:22,928 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:04:22,928 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:04:20" (1/3) ... [2019-09-20 13:04:22,929 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@684b72ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:04:22, skipping insertion in model container [2019-09-20 13:04:22,929 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:21" (2/3) ... [2019-09-20 13:04:22,929 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@684b72ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:04:22, skipping insertion in model container [2019-09-20 13:04:22,930 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:04:22" (3/3) ... [2019-09-20 13:04:22,931 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product46.cil.c [2019-09-20 13:04:22,941 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:04:22,952 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 13:04:22,969 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 13:04:23,001 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-20 13:04:23,002 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:04:23,002 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-20 13:04:23,003 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:04:23,003 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:04:23,003 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:04:23,003 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:04:23,004 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:04:23,004 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:04:23,030 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states. [2019-09-20 13:04:23,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-09-20 13:04:23,046 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:04:23,047 INFO L407 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] [2019-09-20 13:04:23,051 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:04:23,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:04:23,059 INFO L82 PathProgramCache]: Analyzing trace with hash 1417441614, now seen corresponding path program 1 times [2019-09-20 13:04:23,061 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:04:23,062 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:04:23,120 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:23,120 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:23,120 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:23,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:23,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:04:23,479 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:04:23,480 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-20 13:04:23,484 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-20 13:04:23,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-20 13:04:23,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:04:23,502 INFO L87 Difference]: Start difference. First operand 177 states. Second operand 2 states. [2019-09-20 13:04:23,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:04:23,548 INFO L93 Difference]: Finished difference Result 268 states and 333 transitions. [2019-09-20 13:04:23,548 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-20 13:04:23,549 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-09-20 13:04:23,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:04:23,563 INFO L225 Difference]: With dead ends: 268 [2019-09-20 13:04:23,564 INFO L226 Difference]: Without dead ends: 134 [2019-09-20 13:04:23,569 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:04:23,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2019-09-20 13:04:23,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2019-09-20 13:04:23,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2019-09-20 13:04:23,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 158 transitions. [2019-09-20 13:04:23,630 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 158 transitions. Word has length 46 [2019-09-20 13:04:23,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:04:23,630 INFO L475 AbstractCegarLoop]: Abstraction has 134 states and 158 transitions. [2019-09-20 13:04:23,630 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-20 13:04:23,631 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 158 transitions. [2019-09-20 13:04:23,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-09-20 13:04:23,634 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:04:23,635 INFO L407 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] [2019-09-20 13:04:23,635 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:04:23,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:04:23,636 INFO L82 PathProgramCache]: Analyzing trace with hash -1689810546, now seen corresponding path program 1 times [2019-09-20 13:04:23,636 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:04:23,636 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:04:23,641 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:23,641 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:23,641 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:23,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:23,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:04:23,800 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:04:23,800 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:04:23,804 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:04:23,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:04:23,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:04:23,806 INFO L87 Difference]: Start difference. First operand 134 states and 158 transitions. Second operand 3 states. [2019-09-20 13:04:23,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:04:23,834 INFO L93 Difference]: Finished difference Result 213 states and 251 transitions. [2019-09-20 13:04:23,834 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:04:23,835 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-09-20 13:04:23,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:04:23,837 INFO L225 Difference]: With dead ends: 213 [2019-09-20 13:04:23,837 INFO L226 Difference]: Without dead ends: 125 [2019-09-20 13:04:23,839 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:04:23,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2019-09-20 13:04:23,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2019-09-20 13:04:23,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2019-09-20 13:04:23,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 146 transitions. [2019-09-20 13:04:23,856 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 146 transitions. Word has length 47 [2019-09-20 13:04:23,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:04:23,857 INFO L475 AbstractCegarLoop]: Abstraction has 125 states and 146 transitions. [2019-09-20 13:04:23,857 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:04:23,857 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 146 transitions. [2019-09-20 13:04:23,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-09-20 13:04:23,864 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:04:23,864 INFO L407 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] [2019-09-20 13:04:23,864 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:04:23,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:04:23,865 INFO L82 PathProgramCache]: Analyzing trace with hash -1011180464, now seen corresponding path program 1 times [2019-09-20 13:04:23,865 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:04:23,866 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:04:23,868 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:23,869 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:23,869 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:23,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:24,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:04:24,107 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:04:24,107 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-20 13:04:24,108 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-20 13:04:24,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-20 13:04:24,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:04:24,111 INFO L87 Difference]: Start difference. First operand 125 states and 146 transitions. Second operand 7 states. [2019-09-20 13:04:24,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:04:24,446 INFO L93 Difference]: Finished difference Result 226 states and 269 transitions. [2019-09-20 13:04:24,446 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-20 13:04:24,447 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2019-09-20 13:04:24,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:04:24,449 INFO L225 Difference]: With dead ends: 226 [2019-09-20 13:04:24,450 INFO L226 Difference]: Without dead ends: 125 [2019-09-20 13:04:24,451 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-09-20 13:04:24,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2019-09-20 13:04:24,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2019-09-20 13:04:24,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2019-09-20 13:04:24,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 145 transitions. [2019-09-20 13:04:24,476 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 145 transitions. Word has length 52 [2019-09-20 13:04:24,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:04:24,477 INFO L475 AbstractCegarLoop]: Abstraction has 125 states and 145 transitions. [2019-09-20 13:04:24,477 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-20 13:04:24,477 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 145 transitions. [2019-09-20 13:04:24,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-09-20 13:04:24,483 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:04:24,484 INFO L407 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] [2019-09-20 13:04:24,484 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:04:24,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:04:24,485 INFO L82 PathProgramCache]: Analyzing trace with hash 1017334303, now seen corresponding path program 1 times [2019-09-20 13:04:24,485 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:04:24,485 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:04:24,491 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:24,492 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:24,492 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:24,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:24,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:04:24,642 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:04:24,643 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-20 13:04:24,643 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-20 13:04:24,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-20 13:04:24,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-20 13:04:24,644 INFO L87 Difference]: Start difference. First operand 125 states and 145 transitions. Second operand 5 states. [2019-09-20 13:04:25,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:04:25,217 INFO L93 Difference]: Finished difference Result 332 states and 400 transitions. [2019-09-20 13:04:25,218 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-20 13:04:25,218 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2019-09-20 13:04:25,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:04:25,227 INFO L225 Difference]: With dead ends: 332 [2019-09-20 13:04:25,228 INFO L226 Difference]: Without dead ends: 231 [2019-09-20 13:04:25,230 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-09-20 13:04:25,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2019-09-20 13:04:25,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 212. [2019-09-20 13:04:25,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2019-09-20 13:04:25,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 241 transitions. [2019-09-20 13:04:25,293 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 241 transitions. Word has length 65 [2019-09-20 13:04:25,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:04:25,294 INFO L475 AbstractCegarLoop]: Abstraction has 212 states and 241 transitions. [2019-09-20 13:04:25,294 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-20 13:04:25,294 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 241 transitions. [2019-09-20 13:04:25,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-09-20 13:04:25,296 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:04:25,297 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:04:25,297 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:04:25,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:04:25,297 INFO L82 PathProgramCache]: Analyzing trace with hash 1244154125, now seen corresponding path program 1 times [2019-09-20 13:04:25,298 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:04:25,298 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:04:25,300 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:25,300 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:25,301 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:25,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:25,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:04:25,414 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:04:25,414 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-20 13:04:25,415 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-20 13:04:25,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-20 13:04:25,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:04:25,416 INFO L87 Difference]: Start difference. First operand 212 states and 241 transitions. Second operand 6 states. [2019-09-20 13:04:25,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:04:25,662 INFO L93 Difference]: Finished difference Result 573 states and 673 transitions. [2019-09-20 13:04:25,663 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-20 13:04:25,663 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 79 [2019-09-20 13:04:25,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:04:25,668 INFO L225 Difference]: With dead ends: 573 [2019-09-20 13:04:25,668 INFO L226 Difference]: Without dead ends: 385 [2019-09-20 13:04:25,670 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-20 13:04:25,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2019-09-20 13:04:25,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 379. [2019-09-20 13:04:25,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2019-09-20 13:04:25,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 432 transitions. [2019-09-20 13:04:25,733 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 432 transitions. Word has length 79 [2019-09-20 13:04:25,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:04:25,734 INFO L475 AbstractCegarLoop]: Abstraction has 379 states and 432 transitions. [2019-09-20 13:04:25,734 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-20 13:04:25,734 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 432 transitions. [2019-09-20 13:04:25,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-09-20 13:04:25,737 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:04:25,737 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:04:25,738 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:04:25,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:04:25,738 INFO L82 PathProgramCache]: Analyzing trace with hash -1996569391, now seen corresponding path program 1 times [2019-09-20 13:04:25,738 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:04:25,738 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:04:25,742 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:25,742 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:25,742 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:25,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:25,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:04:25,909 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:04:25,910 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-20 13:04:25,910 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-20 13:04:25,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-20 13:04:25,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:04:25,911 INFO L87 Difference]: Start difference. First operand 379 states and 432 transitions. Second operand 7 states. [2019-09-20 13:04:26,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:04:26,558 INFO L93 Difference]: Finished difference Result 414 states and 486 transitions. [2019-09-20 13:04:26,559 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-09-20 13:04:26,559 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 83 [2019-09-20 13:04:26,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:04:26,565 INFO L225 Difference]: With dead ends: 414 [2019-09-20 13:04:26,565 INFO L226 Difference]: Without dead ends: 411 [2019-09-20 13:04:26,566 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-09-20 13:04:26,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2019-09-20 13:04:26,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 379. [2019-09-20 13:04:26,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2019-09-20 13:04:26,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 431 transitions. [2019-09-20 13:04:26,601 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 431 transitions. Word has length 83 [2019-09-20 13:04:26,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:04:26,601 INFO L475 AbstractCegarLoop]: Abstraction has 379 states and 431 transitions. [2019-09-20 13:04:26,602 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-20 13:04:26,602 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 431 transitions. [2019-09-20 13:04:26,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-09-20 13:04:26,604 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:04:26,604 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:04:26,604 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:04:26,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:04:26,605 INFO L82 PathProgramCache]: Analyzing trace with hash -1098775200, now seen corresponding path program 1 times [2019-09-20 13:04:26,605 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:04:26,605 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:04:26,607 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:26,608 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:26,608 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:26,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:26,699 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-20 13:04:26,700 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:04:26,700 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-20 13:04:26,700 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-20 13:04:26,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-20 13:04:26,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:04:26,701 INFO L87 Difference]: Start difference. First operand 379 states and 431 transitions. Second operand 6 states. [2019-09-20 13:04:26,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:04:26,754 INFO L93 Difference]: Finished difference Result 748 states and 870 transitions. [2019-09-20 13:04:26,754 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-20 13:04:26,754 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 99 [2019-09-20 13:04:26,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:04:26,758 INFO L225 Difference]: With dead ends: 748 [2019-09-20 13:04:26,759 INFO L226 Difference]: Without dead ends: 393 [2019-09-20 13:04:26,760 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:04:26,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2019-09-20 13:04:26,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 389. [2019-09-20 13:04:26,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 389 states. [2019-09-20 13:04:26,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 441 transitions. [2019-09-20 13:04:26,804 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 441 transitions. Word has length 99 [2019-09-20 13:04:26,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:04:26,805 INFO L475 AbstractCegarLoop]: Abstraction has 389 states and 441 transitions. [2019-09-20 13:04:26,805 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-20 13:04:26,805 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 441 transitions. [2019-09-20 13:04:26,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-09-20 13:04:26,808 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:04:26,809 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:04:26,809 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:04:26,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:04:26,810 INFO L82 PathProgramCache]: Analyzing trace with hash -205288862, now seen corresponding path program 1 times [2019-09-20 13:04:26,810 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:04:26,810 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:04:26,814 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:26,814 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:26,814 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:26,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:27,017 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-20 13:04:27,017 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:04:27,018 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-09-20 13:04:27,019 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-20 13:04:27,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-20 13:04:27,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-20 13:04:27,020 INFO L87 Difference]: Start difference. First operand 389 states and 441 transitions. Second operand 8 states. [2019-09-20 13:04:27,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:04:27,073 INFO L93 Difference]: Finished difference Result 768 states and 892 transitions. [2019-09-20 13:04:27,074 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-20 13:04:27,074 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 99 [2019-09-20 13:04:27,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:04:27,080 INFO L225 Difference]: With dead ends: 768 [2019-09-20 13:04:27,080 INFO L226 Difference]: Without dead ends: 403 [2019-09-20 13:04:27,082 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-20 13:04:27,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2019-09-20 13:04:27,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 397. [2019-09-20 13:04:27,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 397 states. [2019-09-20 13:04:27,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 449 transitions. [2019-09-20 13:04:27,119 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 449 transitions. Word has length 99 [2019-09-20 13:04:27,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:04:27,120 INFO L475 AbstractCegarLoop]: Abstraction has 397 states and 449 transitions. [2019-09-20 13:04:27,120 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-20 13:04:27,120 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 449 transitions. [2019-09-20 13:04:27,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-09-20 13:04:27,123 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:04:27,124 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:04:27,124 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:04:27,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:04:27,124 INFO L82 PathProgramCache]: Analyzing trace with hash -213048221, now seen corresponding path program 1 times [2019-09-20 13:04:27,125 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:04:27,125 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:04:27,128 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:27,128 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:27,128 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:27,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:27,245 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-20 13:04:27,245 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:04:27,245 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-20 13:04:27,246 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-20 13:04:27,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-20 13:04:27,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-20 13:04:27,248 INFO L87 Difference]: Start difference. First operand 397 states and 449 transitions. Second operand 4 states. [2019-09-20 13:04:27,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:04:27,496 INFO L93 Difference]: Finished difference Result 1179 states and 1402 transitions. [2019-09-20 13:04:27,497 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-20 13:04:27,497 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 99 [2019-09-20 13:04:27,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:04:27,503 INFO L225 Difference]: With dead ends: 1179 [2019-09-20 13:04:27,503 INFO L226 Difference]: Without dead ends: 806 [2019-09-20 13:04:27,505 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-20 13:04:27,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 806 states. [2019-09-20 13:04:27,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 806 to 791. [2019-09-20 13:04:27,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 791 states. [2019-09-20 13:04:27,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 791 states and 921 transitions. [2019-09-20 13:04:27,561 INFO L78 Accepts]: Start accepts. Automaton has 791 states and 921 transitions. Word has length 99 [2019-09-20 13:04:27,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:04:27,562 INFO L475 AbstractCegarLoop]: Abstraction has 791 states and 921 transitions. [2019-09-20 13:04:27,562 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-20 13:04:27,562 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 921 transitions. [2019-09-20 13:04:27,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-09-20 13:04:27,565 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:04:27,565 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:04:27,565 INFO L418 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:04:27,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:04:27,566 INFO L82 PathProgramCache]: Analyzing trace with hash -1140072279, now seen corresponding path program 1 times [2019-09-20 13:04:27,566 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:04:27,566 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:04:27,568 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:27,568 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:27,569 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:27,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:27,707 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-09-20 13:04:27,708 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:04:27,708 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-20 13:04:27,795 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:27,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:27,937 INFO L256 TraceCheckSpWp]: Trace formula consists of 781 conjuncts, 9 conjunts are in the unsatisfiable core [2019-09-20 13:04:27,949 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:04:28,220 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:04:28,227 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:04:28,227 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2019-09-20 13:04:28,228 INFO L454 AbstractCegarLoop]: Interpolant automaton has 19 states [2019-09-20 13:04:28,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2019-09-20 13:04:28,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2019-09-20 13:04:28,229 INFO L87 Difference]: Start difference. First operand 791 states and 921 transitions. Second operand 19 states. [2019-09-20 13:04:29,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:04:29,590 INFO L93 Difference]: Finished difference Result 1528 states and 1799 transitions. [2019-09-20 13:04:29,591 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-09-20 13:04:29,591 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 103 [2019-09-20 13:04:29,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:04:29,596 INFO L225 Difference]: With dead ends: 1528 [2019-09-20 13:04:29,596 INFO L226 Difference]: Without dead ends: 761 [2019-09-20 13:04:29,600 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 98 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2019-09-20 13:04:29,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 761 states. [2019-09-20 13:04:29,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 761 to 761. [2019-09-20 13:04:29,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 761 states. [2019-09-20 13:04:29,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 761 states to 761 states and 872 transitions. [2019-09-20 13:04:29,649 INFO L78 Accepts]: Start accepts. Automaton has 761 states and 872 transitions. Word has length 103 [2019-09-20 13:04:29,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:04:29,649 INFO L475 AbstractCegarLoop]: Abstraction has 761 states and 872 transitions. [2019-09-20 13:04:29,649 INFO L476 AbstractCegarLoop]: Interpolant automaton has 19 states. [2019-09-20 13:04:29,649 INFO L276 IsEmpty]: Start isEmpty. Operand 761 states and 872 transitions. [2019-09-20 13:04:29,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2019-09-20 13:04:29,654 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:04:29,654 INFO L407 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:04:29,655 INFO L418 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:04:29,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:04:29,655 INFO L82 PathProgramCache]: Analyzing trace with hash 890167406, now seen corresponding path program 1 times [2019-09-20 13:04:29,655 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:04:29,656 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:04:29,658 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:29,658 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:29,658 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:29,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:29,800 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 22 proven. 4 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-09-20 13:04:29,800 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:04:29,800 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-20 13:04:29,896 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:30,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:30,034 INFO L256 TraceCheckSpWp]: Trace formula consists of 912 conjuncts, 4 conjunts are in the unsatisfiable core [2019-09-20 13:04:30,042 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:04:30,107 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-09-20 13:04:30,121 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:04:30,122 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2019-09-20 13:04:30,123 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-20 13:04:30,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-20 13:04:30,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:04:30,124 INFO L87 Difference]: Start difference. First operand 761 states and 872 transitions. Second operand 6 states. [2019-09-20 13:04:30,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:04:30,970 INFO L93 Difference]: Finished difference Result 1665 states and 2002 transitions. [2019-09-20 13:04:30,970 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-20 13:04:30,970 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 159 [2019-09-20 13:04:30,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:04:30,978 INFO L225 Difference]: With dead ends: 1665 [2019-09-20 13:04:30,978 INFO L226 Difference]: Without dead ends: 1056 [2019-09-20 13:04:30,981 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-09-20 13:04:30,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1056 states. [2019-09-20 13:04:31,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1056 to 949. [2019-09-20 13:04:31,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 949 states. [2019-09-20 13:04:31,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 949 states to 949 states and 1104 transitions. [2019-09-20 13:04:31,056 INFO L78 Accepts]: Start accepts. Automaton has 949 states and 1104 transitions. Word has length 159 [2019-09-20 13:04:31,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:04:31,057 INFO L475 AbstractCegarLoop]: Abstraction has 949 states and 1104 transitions. [2019-09-20 13:04:31,057 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-20 13:04:31,057 INFO L276 IsEmpty]: Start isEmpty. Operand 949 states and 1104 transitions. [2019-09-20 13:04:31,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-09-20 13:04:31,061 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:04:31,062 INFO L407 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:04:31,062 INFO L418 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:04:31,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:04:31,063 INFO L82 PathProgramCache]: Analyzing trace with hash 1934361844, now seen corresponding path program 1 times [2019-09-20 13:04:31,063 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:04:31,063 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:04:31,065 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:31,065 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:31,066 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:31,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:31,323 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-09-20 13:04:31,324 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:04:31,324 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-20 13:04:31,390 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:31,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:31,516 INFO L256 TraceCheckSpWp]: Trace formula consists of 903 conjuncts, 9 conjunts are in the unsatisfiable core [2019-09-20 13:04:31,526 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:04:31,688 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-09-20 13:04:31,701 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:04:31,702 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2019-09-20 13:04:31,703 INFO L454 AbstractCegarLoop]: Interpolant automaton has 19 states [2019-09-20 13:04:31,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2019-09-20 13:04:31,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2019-09-20 13:04:31,704 INFO L87 Difference]: Start difference. First operand 949 states and 1104 transitions. Second operand 19 states. [2019-09-20 13:04:33,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:04:33,068 INFO L93 Difference]: Finished difference Result 1630 states and 1927 transitions. [2019-09-20 13:04:33,069 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-09-20 13:04:33,069 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 155 [2019-09-20 13:04:33,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:04:33,070 INFO L225 Difference]: With dead ends: 1630 [2019-09-20 13:04:33,070 INFO L226 Difference]: Without dead ends: 0 [2019-09-20 13:04:33,075 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 152 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2019-09-20 13:04:33,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-20 13:04:33,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-20 13:04:33,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-20 13:04:33,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-20 13:04:33,077 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 155 [2019-09-20 13:04:33,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:04:33,077 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-20 13:04:33,077 INFO L476 AbstractCegarLoop]: Interpolant automaton has 19 states. [2019-09-20 13:04:33,077 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-20 13:04:33,077 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-20 13:04:33,082 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-09-20 13:04:33,970 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 16 [2019-09-20 13:04:34,098 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 24 [2019-09-20 13:04:34,360 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 24 [2019-09-20 13:04:34,615 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 25 [2019-09-20 13:04:35,034 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 20 [2019-09-20 13:04:35,147 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 22 [2019-09-20 13:04:35,624 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 20 [2019-09-20 13:04:35,732 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 19 [2019-09-20 13:04:36,242 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 29 [2019-09-20 13:04:36,763 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 22 [2019-09-20 13:04:37,028 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 27 [2019-09-20 13:04:37,261 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 22 [2019-09-20 13:04:37,264 INFO L443 ceAbstractionStarter]: For program point L671(lines 671 675) no Hoare annotation was computed. [2019-09-20 13:04:37,265 INFO L443 ceAbstractionStarter]: For program point L671-1(lines 671 675) no Hoare annotation was computed. [2019-09-20 13:04:37,265 INFO L443 ceAbstractionStarter]: For program point L666(line 666) no Hoare annotation was computed. [2019-09-20 13:04:37,265 INFO L443 ceAbstractionStarter]: For program point L665-2(lines 665 686) no Hoare annotation was computed. [2019-09-20 13:04:37,265 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 640 695) no Hoare annotation was computed. [2019-09-20 13:04:37,266 INFO L443 ceAbstractionStarter]: For program point L687(lines 664 688) no Hoare annotation was computed. [2019-09-20 13:04:37,266 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 640 695) no Hoare annotation was computed. [2019-09-20 13:04:37,266 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 640 695) no Hoare annotation was computed. [2019-09-20 13:04:37,266 INFO L443 ceAbstractionStarter]: For program point L728(lines 728 732) no Hoare annotation was computed. [2019-09-20 13:04:37,266 INFO L443 ceAbstractionStarter]: For program point L728-1(lines 728 732) no Hoare annotation was computed. [2019-09-20 13:04:37,266 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 696 755) no Hoare annotation was computed. [2019-09-20 13:04:37,266 INFO L443 ceAbstractionStarter]: For program point L723(line 723) no Hoare annotation was computed. [2019-09-20 13:04:37,266 INFO L443 ceAbstractionStarter]: For program point L722-2(lines 722 747) no Hoare annotation was computed. [2019-09-20 13:04:37,267 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 696 755) no Hoare annotation was computed. [2019-09-20 13:04:37,267 INFO L443 ceAbstractionStarter]: For program point L748(lines 721 749) no Hoare annotation was computed. [2019-09-20 13:04:37,267 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 696 755) no Hoare annotation was computed. [2019-09-20 13:04:37,267 INFO L443 ceAbstractionStarter]: For program point L741(line 741) no Hoare annotation was computed. [2019-09-20 13:04:37,267 INFO L443 ceAbstractionStarter]: For program point L741-1(line 741) no Hoare annotation was computed. [2019-09-20 13:04:37,267 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 441 447) the Hoare annotation is: true [2019-09-20 13:04:37,267 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 441 447) no Hoare annotation was computed. [2019-09-20 13:04:37,268 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 448 456) no Hoare annotation was computed. [2019-09-20 13:04:37,268 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 448 456) the Hoare annotation is: true [2019-09-20 13:04:37,268 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 448 456) no Hoare annotation was computed. [2019-09-20 13:04:37,269 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 399 421) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:04:37,270 INFO L439 ceAbstractionStarter]: At program point L411(line 411) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~5 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0) (= main_~tmp~5 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:04:37,270 INFO L439 ceAbstractionStarter]: At program point L411-1(line 411) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~5 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0) (= main_~tmp~5 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:04:37,270 INFO L443 ceAbstractionStarter]: For program point L409(lines 409 416) no Hoare annotation was computed. [2019-09-20 13:04:37,270 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 399 421) no Hoare annotation was computed. [2019-09-20 13:04:37,270 INFO L443 ceAbstractionStarter]: For program point L409-1(lines 409 416) no Hoare annotation was computed. [2019-09-20 13:04:37,270 INFO L443 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2019-09-20 13:04:37,270 INFO L439 ceAbstractionStarter]: At program point L406(line 406) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:04:37,271 INFO L439 ceAbstractionStarter]: At program point L405(line 405) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:04:37,271 INFO L439 ceAbstractionStarter]: At program point L405-1(line 405) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:04:37,271 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 399 421) no Hoare annotation was computed. [2019-09-20 13:04:37,271 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 355 378) no Hoare annotation was computed. [2019-09-20 13:04:37,271 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 355 378) no Hoare annotation was computed. [2019-09-20 13:04:37,271 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 355 378) no Hoare annotation was computed. [2019-09-20 13:04:37,271 INFO L443 ceAbstractionStarter]: For program point L373(line 373) no Hoare annotation was computed. [2019-09-20 13:04:37,272 INFO L443 ceAbstractionStarter]: For program point L372(line 372) no Hoare annotation was computed. [2019-09-20 13:04:37,272 INFO L443 ceAbstractionStarter]: For program point L371(line 371) no Hoare annotation was computed. [2019-09-20 13:04:37,272 INFO L443 ceAbstractionStarter]: For program point L370(line 370) no Hoare annotation was computed. [2019-09-20 13:04:37,272 INFO L443 ceAbstractionStarter]: For program point L369(line 369) no Hoare annotation was computed. [2019-09-20 13:04:37,272 INFO L443 ceAbstractionStarter]: For program point L368(line 368) no Hoare annotation was computed. [2019-09-20 13:04:37,272 INFO L443 ceAbstractionStarter]: For program point L367(line 367) no Hoare annotation was computed. [2019-09-20 13:04:37,272 INFO L443 ceAbstractionStarter]: For program point L366(line 366) no Hoare annotation was computed. [2019-09-20 13:04:37,272 INFO L443 ceAbstractionStarter]: For program point L365(line 365) no Hoare annotation was computed. [2019-09-20 13:04:37,272 INFO L443 ceAbstractionStarter]: For program point L364(line 364) no Hoare annotation was computed. [2019-09-20 13:04:37,273 INFO L443 ceAbstractionStarter]: For program point L363(line 363) no Hoare annotation was computed. [2019-09-20 13:04:37,273 INFO L443 ceAbstractionStarter]: For program point L362(line 362) no Hoare annotation was computed. [2019-09-20 13:04:37,273 INFO L443 ceAbstractionStarter]: For program point L361(line 361) no Hoare annotation was computed. [2019-09-20 13:04:37,273 INFO L443 ceAbstractionStarter]: For program point L360(line 360) no Hoare annotation was computed. [2019-09-20 13:04:37,273 INFO L443 ceAbstractionStarter]: For program point L162-1(line 162) no Hoare annotation was computed. [2019-09-20 13:04:37,273 INFO L443 ceAbstractionStarter]: For program point L160(lines 160 177) no Hoare annotation was computed. [2019-09-20 13:04:37,273 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 156 180) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 0)) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-09-20 13:04:37,274 INFO L439 ceAbstractionStarter]: At program point L175(line 175) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2))) [2019-09-20 13:04:37,274 INFO L443 ceAbstractionStarter]: For program point L175-1(lines 156 180) no Hoare annotation was computed. [2019-09-20 13:04:37,274 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 156 180) no Hoare annotation was computed. [2019-09-20 13:04:37,274 INFO L439 ceAbstractionStarter]: At program point L170(line 170) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse0 (not (= ~systemActive~0 1))) (.cse3 (and (= processEnvironment__wrappee__methaneQuery_~tmp~1 0) (= ~pumpRunning~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse3) (or (not (= ~methaneLevelCritical~0 1)) (not .cse2) .cse0 .cse3))) [2019-09-20 13:04:37,274 INFO L439 ceAbstractionStarter]: At program point L166(line 166) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1))) (.cse0 (<= 2 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1) .cse2) (or .cse2 (not (= ~methaneLevelCritical~0 0)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1)))) [2019-09-20 13:04:37,274 INFO L443 ceAbstractionStarter]: For program point L164(lines 164 172) no Hoare annotation was computed. [2019-09-20 13:04:37,275 INFO L439 ceAbstractionStarter]: At program point L162(line 162) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse0 (not (= ~systemActive~0 1))) (.cse3 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) (not .cse2) .cse0 .cse3))) [2019-09-20 13:04:37,275 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 251 259) no Hoare annotation was computed. [2019-09-20 13:04:37,275 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 251 259) the Hoare annotation is: true [2019-09-20 13:04:37,275 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 251 259) no Hoare annotation was computed. [2019-09-20 13:04:37,275 INFO L443 ceAbstractionStarter]: For program point L290-1(line 290) no Hoare annotation was computed. [2019-09-20 13:04:37,275 INFO L443 ceAbstractionStarter]: For program point L279(lines 279 287) no Hoare annotation was computed. [2019-09-20 13:04:37,275 INFO L443 ceAbstractionStarter]: For program point L279-2(lines 279 287) no Hoare annotation was computed. [2019-09-20 13:04:37,275 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 260 295) no Hoare annotation was computed. [2019-09-20 13:04:37,276 INFO L443 ceAbstractionStarter]: For program point L267(lines 267 275) no Hoare annotation was computed. [2019-09-20 13:04:37,276 INFO L443 ceAbstractionStarter]: For program point L267-2(lines 267 275) no Hoare annotation was computed. [2019-09-20 13:04:37,276 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 260 295) no Hoare annotation was computed. [2019-09-20 13:04:37,276 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 260 295) no Hoare annotation was computed. [2019-09-20 13:04:37,276 INFO L443 ceAbstractionStarter]: For program point L290(line 290) no Hoare annotation was computed. [2019-09-20 13:04:37,276 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 434 440) no Hoare annotation was computed. [2019-09-20 13:04:37,276 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 434 440) the Hoare annotation is: true [2019-09-20 13:04:37,276 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 594 639) no Hoare annotation was computed. [2019-09-20 13:04:37,276 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 594 639) no Hoare annotation was computed. [2019-09-20 13:04:37,277 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 594 639) no Hoare annotation was computed. [2019-09-20 13:04:37,277 INFO L443 ceAbstractionStarter]: For program point L927(lines 927 934) no Hoare annotation was computed. [2019-09-20 13:04:37,277 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 907 952) no Hoare annotation was computed. [2019-09-20 13:04:37,277 INFO L443 ceAbstractionStarter]: For program point L921(lines 921 941) no Hoare annotation was computed. [2019-09-20 13:04:37,277 INFO L443 ceAbstractionStarter]: For program point L921-1(lines 921 941) no Hoare annotation was computed. [2019-09-20 13:04:37,277 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 907 952) no Hoare annotation was computed. [2019-09-20 13:04:37,277 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 907 952) no Hoare annotation was computed. [2019-09-20 13:04:37,277 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 386 395) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:04:37,277 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 386 395) no Hoare annotation was computed. [2019-09-20 13:04:37,278 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 386 395) no Hoare annotation was computed. [2019-09-20 13:04:37,278 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 240 250) the Hoare annotation is: true [2019-09-20 13:04:37,278 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 240 250) no Hoare annotation was computed. [2019-09-20 13:04:37,278 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 240 250) no Hoare annotation was computed. [2019-09-20 13:04:37,278 INFO L446 ceAbstractionStarter]: At program point L245(line 245) the Hoare annotation is: true [2019-09-20 13:04:37,278 INFO L443 ceAbstractionStarter]: For program point L245-1(line 245) no Hoare annotation was computed. [2019-09-20 13:04:37,278 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 232 239) the Hoare annotation is: (or (not (= ~methaneLevelCritical~0 1)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= ~systemActive~0 1)) (= 0 |old(~pumpRunning~0)|)) [2019-09-20 13:04:37,278 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 232 239) no Hoare annotation was computed. [2019-09-20 13:04:37,279 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 232 239) no Hoare annotation was computed. [2019-09-20 13:04:37,279 INFO L443 ceAbstractionStarter]: For program point L577(lines 577 583) no Hoare annotation was computed. [2019-09-20 13:04:37,279 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 573 586) no Hoare annotation was computed. [2019-09-20 13:04:37,279 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 573 586) the Hoare annotation is: true [2019-09-20 13:04:37,279 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 573 586) no Hoare annotation was computed. [2019-09-20 13:04:37,279 INFO L439 ceAbstractionStarter]: At program point L192(line 192) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (and (= ~methaneLevelCritical~0 processEnvironment_~tmp~2) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) .cse1) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or .cse1 (not (= ~methaneLevelCritical~0 0))))) [2019-09-20 13:04:37,279 INFO L443 ceAbstractionStarter]: For program point L190(lines 190 198) no Hoare annotation was computed. [2019-09-20 13:04:37,280 INFO L439 ceAbstractionStarter]: At program point L188(line 188) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse1) (or .cse3 .cse0 .cse1) (or .cse4 .cse1 .cse2))) [2019-09-20 13:04:37,280 INFO L443 ceAbstractionStarter]: For program point L188-1(line 188) no Hoare annotation was computed. [2019-09-20 13:04:37,280 INFO L443 ceAbstractionStarter]: For program point L186(lines 186 203) no Hoare annotation was computed. [2019-09-20 13:04:37,280 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 182 206) no Hoare annotation was computed. [2019-09-20 13:04:37,280 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 182 206) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2019-09-20 13:04:37,281 INFO L439 ceAbstractionStarter]: At program point L201(line 201) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 0)) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= ~systemActive~0 1))) (.cse2 (= 0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse4) (or .cse4 .cse0 .cse1) (or .cse3 .cse0 .cse2))) [2019-09-20 13:04:37,281 INFO L443 ceAbstractionStarter]: For program point L201-1(lines 182 206) no Hoare annotation was computed. [2019-09-20 13:04:37,281 INFO L439 ceAbstractionStarter]: At program point L196(line 196) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (and (= ~methaneLevelCritical~0 processEnvironment_~tmp~2) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse0))) [2019-09-20 13:04:37,281 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 148 154) no Hoare annotation was computed. [2019-09-20 13:04:37,281 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 148 154) the Hoare annotation is: true [2019-09-20 13:04:37,281 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 45 110) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:04:37,281 INFO L443 ceAbstractionStarter]: For program point L93(lines 93 97) no Hoare annotation was computed. [2019-09-20 13:04:37,282 INFO L439 ceAbstractionStarter]: At program point L93-2(lines 85 98) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 (= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-09-20 13:04:37,282 INFO L443 ceAbstractionStarter]: For program point L56(lines 55 102) no Hoare annotation was computed. [2019-09-20 13:04:37,282 INFO L439 ceAbstractionStarter]: At program point L87(line 87) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 (= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-09-20 13:04:37,282 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 45 110) no Hoare annotation was computed. [2019-09-20 13:04:37,282 INFO L443 ceAbstractionStarter]: For program point L85(lines 85 98) no Hoare annotation was computed. [2019-09-20 13:04:37,282 INFO L439 ceAbstractionStarter]: At program point L77(line 77) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (= ~pumpRunning~0 0) (= 1 ~methaneLevelCritical~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-09-20 13:04:37,283 INFO L443 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2019-09-20 13:04:37,283 INFO L443 ceAbstractionStarter]: For program point L75-1(lines 75 81) no Hoare annotation was computed. [2019-09-20 13:04:37,283 INFO L439 ceAbstractionStarter]: At program point L100(lines 55 102) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (= ~pumpRunning~0 0) (= 1 ~methaneLevelCritical~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-09-20 13:04:37,283 INFO L439 ceAbstractionStarter]: At program point L67(line 67) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1) (and (and .cse0 .cse1 (= ~pumpRunning~0 0)) (= 1 ~methaneLevelCritical~0)) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-09-20 13:04:37,283 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 71) no Hoare annotation was computed. [2019-09-20 13:04:37,283 INFO L443 ceAbstractionStarter]: For program point L65-1(lines 65 71) no Hoare annotation was computed. [2019-09-20 13:04:37,283 INFO L443 ceAbstractionStarter]: For program point L57(lines 57 61) no Hoare annotation was computed. [2019-09-20 13:04:37,284 INFO L439 ceAbstractionStarter]: At program point L103(lines 54 104) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:04:37,284 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 45 110) no Hoare annotation was computed. [2019-09-20 13:04:37,284 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 861 906) no Hoare annotation was computed. [2019-09-20 13:04:37,284 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 861 906) no Hoare annotation was computed. [2019-09-20 13:04:37,284 INFO L443 ceAbstractionStarter]: For program point L881(lines 881 888) no Hoare annotation was computed. [2019-09-20 13:04:37,284 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 861 906) no Hoare annotation was computed. [2019-09-20 13:04:37,284 INFO L443 ceAbstractionStarter]: For program point L875(lines 875 895) no Hoare annotation was computed. [2019-09-20 13:04:37,284 INFO L443 ceAbstractionStarter]: For program point L875-1(lines 875 895) no Hoare annotation was computed. [2019-09-20 13:04:37,285 INFO L439 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 207 214) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 2 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 0)) [2019-09-20 13:04:37,285 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 207 214) no Hoare annotation was computed. [2019-09-20 13:04:37,285 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 207 214) no Hoare annotation was computed. [2019-09-20 13:04:37,285 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 541 563) no Hoare annotation was computed. [2019-09-20 13:04:37,285 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 541 563) no Hoare annotation was computed. [2019-09-20 13:04:37,285 INFO L443 ceAbstractionStarter]: For program point L549(lines 549 557) no Hoare annotation was computed. [2019-09-20 13:04:37,285 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 541 563) no Hoare annotation was computed. [2019-09-20 13:04:37,285 INFO L443 ceAbstractionStarter]: For program point L549-2(lines 549 557) no Hoare annotation was computed. [2019-09-20 13:04:37,286 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 424 433) no Hoare annotation was computed. [2019-09-20 13:04:37,286 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 424 433) no Hoare annotation was computed. [2019-09-20 13:04:37,286 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 424 433) no Hoare annotation was computed. [2019-09-20 13:04:37,286 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 758 860) no Hoare annotation was computed. [2019-09-20 13:04:37,286 INFO L443 ceAbstractionStarter]: For program point L828(lines 806 829) no Hoare annotation was computed. [2019-09-20 13:04:37,286 INFO L443 ceAbstractionStarter]: For program point L787(lines 787 803) no Hoare annotation was computed. [2019-09-20 13:04:37,286 INFO L443 ceAbstractionStarter]: For program point L847(lines 847 854) no Hoare annotation was computed. [2019-09-20 13:04:37,286 INFO L443 ceAbstractionStarter]: For program point L808(lines 807 827) no Hoare annotation was computed. [2019-09-20 13:04:37,286 INFO L443 ceAbstractionStarter]: For program point L839(line 839) no Hoare annotation was computed. [2019-09-20 13:04:37,287 INFO L443 ceAbstractionStarter]: For program point L839-1(line 839) no Hoare annotation was computed. [2019-09-20 13:04:37,287 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 758 860) no Hoare annotation was computed. [2019-09-20 13:04:37,287 INFO L443 ceAbstractionStarter]: For program point L804(lines 804 845) no Hoare annotation was computed. [2019-09-20 13:04:37,287 INFO L443 ceAbstractionStarter]: For program point L823(line 823) no Hoare annotation was computed. [2019-09-20 13:04:37,287 INFO L443 ceAbstractionStarter]: For program point L823-1(line 823) no Hoare annotation was computed. [2019-09-20 13:04:37,287 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 758 860) no Hoare annotation was computed. [2019-09-20 13:04:37,287 INFO L443 ceAbstractionStarter]: For program point L782(lines 782 786) no Hoare annotation was computed. [2019-09-20 13:04:37,287 INFO L443 ceAbstractionStarter]: For program point L846(lines 846 857) no Hoare annotation was computed. [2019-09-20 13:04:37,288 INFO L443 ceAbstractionStarter]: For program point L809(lines 809 813) no Hoare annotation was computed. [2019-09-20 13:04:37,288 INFO L443 ceAbstractionStarter]: For program point L807-2(lines 807 827) no Hoare annotation was computed. [2019-09-20 13:04:37,288 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:04:37,288 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) [2019-09-20 13:04:37,288 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:04:37,288 INFO L443 ceAbstractionStarter]: For program point L226-1(lines 215 231) no Hoare annotation was computed. [2019-09-20 13:04:37,288 INFO L443 ceAbstractionStarter]: For program point L222(lines 222 228) no Hoare annotation was computed. [2019-09-20 13:04:37,288 INFO L439 ceAbstractionStarter]: At program point L220(line 220) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 2 ~waterLevel~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (= ~pumpRunning~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2019-09-20 13:04:37,289 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 215 231) no Hoare annotation was computed. [2019-09-20 13:04:37,289 INFO L443 ceAbstractionStarter]: For program point L220-1(line 220) no Hoare annotation was computed. [2019-09-20 13:04:37,289 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 215 231) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 2 ~waterLevel~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (= ~pumpRunning~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2019-09-20 13:04:37,289 INFO L439 ceAbstractionStarter]: At program point L226(line 226) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 2 ~waterLevel~0))) (.cse2 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 (and (= ~methaneLevelCritical~0 activatePump_~tmp~3) (= ~pumpRunning~0 0)) .cse2 (not (= ~methaneLevelCritical~0 0))))) [2019-09-20 13:04:37,289 INFO L443 ceAbstractionStarter]: For program point L305(lines 305 309) no Hoare annotation was computed. [2019-09-20 13:04:37,289 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 296 314) no Hoare annotation was computed. [2019-09-20 13:04:37,290 INFO L446 ceAbstractionStarter]: At program point L303(line 303) the Hoare annotation is: true [2019-09-20 13:04:37,290 INFO L443 ceAbstractionStarter]: For program point L305-2(lines 305 309) no Hoare annotation was computed. [2019-09-20 13:04:37,290 INFO L443 ceAbstractionStarter]: For program point L303-1(line 303) no Hoare annotation was computed. [2019-09-20 13:04:37,291 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 296 314) the Hoare annotation is: true [2019-09-20 13:04:37,291 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 296 314) no Hoare annotation was computed. [2019-09-20 13:04:37,291 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 564 572) no Hoare annotation was computed. [2019-09-20 13:04:37,291 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 564 572) no Hoare annotation was computed. [2019-09-20 13:04:37,291 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 564 572) no Hoare annotation was computed. [2019-09-20 13:04:37,291 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 520 531) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= |old(~methaneLevelCritical~0)| 1)) (not (= 0 ~pumpRunning~0)) .cse0 (= 1 ~methaneLevelCritical~0)) (or (= 0 ~methaneLevelCritical~0) .cse0 (not (= |old(~methaneLevelCritical~0)| 0))))) [2019-09-20 13:04:37,291 INFO L443 ceAbstractionStarter]: For program point L524-1(lines 520 531) no Hoare annotation was computed. [2019-09-20 13:04:37,291 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 520 531) no Hoare annotation was computed. [2019-09-20 13:04:37,292 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:04:37,292 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-09-20 13:04:37,292 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:04:37,292 INFO L443 ceAbstractionStarter]: For program point L128(lines 127 146) no Hoare annotation was computed. [2019-09-20 13:04:37,292 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 124 147) the Hoare annotation is: (let ((.cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or .cse0 (not (= ~methaneLevelCritical~0 1)) .cse1))) [2019-09-20 13:04:37,292 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 124 147) no Hoare annotation was computed. [2019-09-20 13:04:37,292 INFO L439 ceAbstractionStarter]: At program point L137(line 137) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or (and .cse2 .cse3) .cse1 (not (= ~methaneLevelCritical~0 0)) (and .cse4 .cse2)) (or .cse3 (or .cse0 .cse4 .cse1)))) [2019-09-20 13:04:37,293 INFO L439 ceAbstractionStarter]: At program point L135(lines 135 141) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= 0 |old(~pumpRunning~0)|)))) (and (let ((.cse1 (= ~pumpRunning~0 0))) (or (not (= ~methaneLevelCritical~0 1)) (and .cse0 .cse1) .cse2 (and .cse3 .cse1))) (let ((.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (or (and .cse4 .cse0) (and (<= 2 ~waterLevel~0) .cse0) .cse2 (not (= ~methaneLevelCritical~0 0)) (and .cse3 .cse4))))) [2019-09-20 13:04:37,293 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 124 147) no Hoare annotation was computed. [2019-09-20 13:04:37,294 INFO L439 ceAbstractionStarter]: At program point L130(line 130) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 (and .cse1 .cse2) .cse3) (or .cse4 .cse0 .cse3) (or (not (= ~methaneLevelCritical~0 1)) (and .cse4 .cse1 .cse2) .cse0))) [2019-09-20 13:04:37,294 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 325 354) no Hoare annotation was computed. [2019-09-20 13:04:37,294 INFO L446 ceAbstractionStarter]: At program point L350(lines 325 354) the Hoare annotation is: true [2019-09-20 13:04:37,294 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 325 354) the Hoare annotation is: true [2019-09-20 13:04:37,295 INFO L443 ceAbstractionStarter]: For program point L346(line 346) no Hoare annotation was computed. [2019-09-20 13:04:37,295 INFO L443 ceAbstractionStarter]: For program point L339(lines 339 343) no Hoare annotation was computed. [2019-09-20 13:04:37,295 INFO L446 ceAbstractionStarter]: At program point L339-1(lines 339 343) the Hoare annotation is: true [2019-09-20 13:04:37,295 INFO L443 ceAbstractionStarter]: For program point L336(line 336) no Hoare annotation was computed. [2019-09-20 13:04:37,295 INFO L446 ceAbstractionStarter]: At program point L335-2(lines 335 349) the Hoare annotation is: true [2019-09-20 13:04:37,295 INFO L446 ceAbstractionStarter]: At program point L331(line 331) the Hoare annotation is: true [2019-09-20 13:04:37,295 INFO L443 ceAbstractionStarter]: For program point L331-1(line 331) no Hoare annotation was computed. [2019-09-20 13:04:37,295 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 532 540) the Hoare annotation is: true [2019-09-20 13:04:37,296 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 532 540) no Hoare annotation was computed. [2019-09-20 13:04:37,296 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 532 540) no Hoare annotation was computed. [2019-09-20 13:04:37,296 INFO L439 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 496 507) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (= 0 ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 (or .cse1 .cse2)) (or .cse0 (or .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2)))) [2019-09-20 13:04:37,296 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 496 507) no Hoare annotation was computed. [2019-09-20 13:04:37,296 INFO L443 ceAbstractionStarter]: For program point L500-1(lines 496 507) no Hoare annotation was computed. [2019-09-20 13:04:37,297 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 379 385) no Hoare annotation was computed. [2019-09-20 13:04:37,297 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 379 385) the Hoare annotation is: true [2019-09-20 13:04:37,298 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:04:37,298 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-09-20 13:04:37,298 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-09-20 13:04:37,298 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:04:37,298 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 315 322) no Hoare annotation was computed. [2019-09-20 13:04:37,298 INFO L439 ceAbstractionStarter]: At program point startSystemENTRY(lines 315 322) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (not (= |old(~systemActive~0)| 1)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or .cse0 (not (= ~methaneLevelCritical~0 1)) .cse1))) [2019-09-20 13:04:37,298 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 315 322) no Hoare annotation was computed. [2019-09-20 13:04:37,298 INFO L443 ceAbstractionStarter]: For program point L512-1(lines 508 519) no Hoare annotation was computed. [2019-09-20 13:04:37,298 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 508 519) no Hoare annotation was computed. [2019-09-20 13:04:37,299 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 508 519) the Hoare annotation is: (let ((.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) (or (not (= 0 ~pumpRunning~0)) .cse0) .cse1) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-09-20 13:04:37,299 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 458 465) no Hoare annotation was computed. [2019-09-20 13:04:37,299 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 462) no Hoare annotation was computed. [2019-09-20 13:04:37,299 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 458 465) the Hoare annotation is: true [2019-09-20 13:04:37,299 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 458 465) no Hoare annotation was computed. [2019-09-20 13:04:37,299 INFO L439 ceAbstractionStarter]: At program point L481(line 481) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 ~pumpRunning~0)) .cse0) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-09-20 13:04:37,299 INFO L443 ceAbstractionStarter]: For program point L479(lines 479 485) no Hoare annotation was computed. [2019-09-20 13:04:37,300 INFO L439 ceAbstractionStarter]: At program point L477(line 477) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2019-09-20 13:04:37,300 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 467 491) the Hoare annotation is: true [2019-09-20 13:04:37,300 INFO L443 ceAbstractionStarter]: For program point L477-1(line 477) no Hoare annotation was computed. [2019-09-20 13:04:37,300 INFO L443 ceAbstractionStarter]: For program point L475(lines 475 488) no Hoare annotation was computed. [2019-09-20 13:04:37,300 INFO L443 ceAbstractionStarter]: For program point L475-1(lines 467 491) no Hoare annotation was computed. [2019-09-20 13:04:37,300 INFO L446 ceAbstractionStarter]: At program point L473(line 473) the Hoare annotation is: true [2019-09-20 13:04:37,300 INFO L443 ceAbstractionStarter]: For program point L473-1(line 473) no Hoare annotation was computed. [2019-09-20 13:04:37,300 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 467 491) no Hoare annotation was computed. [2019-09-20 13:04:37,322 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:04:37 BoogieIcfgContainer [2019-09-20 13:04:37,322 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-20 13:04:37,325 INFO L168 Benchmark]: Toolchain (without parser) took 16498.85 ms. Allocated memory was 139.5 MB in the beginning and 533.7 MB in the end (delta: 394.3 MB). Free memory was 84.9 MB in the beginning and 473.1 MB in the end (delta: -388.3 MB). Peak memory consumption was 334.2 MB. Max. memory is 7.1 GB. [2019-09-20 13:04:37,327 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 139.5 MB. Free memory was 104.1 MB in the beginning and 103.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 13:04:37,331 INFO L168 Benchmark]: CACSL2BoogieTranslator took 711.67 ms. Allocated memory was 139.5 MB in the beginning and 200.3 MB in the end (delta: 60.8 MB). Free memory was 84.6 MB in the beginning and 165.7 MB in the end (delta: -81.0 MB). Peak memory consumption was 22.1 MB. Max. memory is 7.1 GB. [2019-09-20 13:04:37,331 INFO L168 Benchmark]: Boogie Preprocessor took 90.74 ms. Allocated memory is still 200.3 MB. Free memory was 165.7 MB in the beginning and 161.3 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-09-20 13:04:37,332 INFO L168 Benchmark]: RCFGBuilder took 1293.87 ms. Allocated memory was 200.3 MB in the beginning and 223.3 MB in the end (delta: 23.1 MB). Free memory was 161.3 MB in the beginning and 194.0 MB in the end (delta: -32.7 MB). Peak memory consumption was 91.5 MB. Max. memory is 7.1 GB. [2019-09-20 13:04:37,333 INFO L168 Benchmark]: TraceAbstraction took 14398.03 ms. Allocated memory was 223.3 MB in the beginning and 533.7 MB in the end (delta: 310.4 MB). Free memory was 192.7 MB in the beginning and 473.1 MB in the end (delta: -280.4 MB). Peak memory consumption was 358.2 MB. Max. memory is 7.1 GB. [2019-09-20 13:04:37,336 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 139.5 MB. Free memory was 104.1 MB in the beginning and 103.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 711.67 ms. Allocated memory was 139.5 MB in the beginning and 200.3 MB in the end (delta: 60.8 MB). Free memory was 84.6 MB in the beginning and 165.7 MB in the end (delta: -81.0 MB). Peak memory consumption was 22.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 90.74 ms. Allocated memory is still 200.3 MB. Free memory was 165.7 MB in the beginning and 161.3 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1293.87 ms. Allocated memory was 200.3 MB in the beginning and 223.3 MB in the end (delta: 23.1 MB). Free memory was 161.3 MB in the beginning and 194.0 MB in the end (delta: -32.7 MB). Peak memory consumption was 91.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 14398.03 ms. Allocated memory was 223.3 MB in the beginning and 533.7 MB in the end (delta: 310.4 MB). Free memory was 192.7 MB in the beginning and 473.1 MB in the end (delta: -280.4 MB). Peak memory consumption was 358.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 462]: 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: 54]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 325]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && 0 == methaneLevelCritical) && 0 == splverifierCounter) || !(\old(systemActive) == 1)) || !(0 == \old(pumpRunning))) || (((1 == systemActive && 0 == splverifierCounter) && pumpRunning == 0) && 1 == methaneLevelCritical)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 236 locations, 1 error locations. SAFE Result, 14.3s OverallTime, 12 OverallIterations, 4 TraceHistogramMax, 5.9s AutomataDifference, 0.0s DeadEndRemovalTime, 4.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 2153 SDtfs, 1610 SDslu, 7239 SDs, 0 SdLazy, 3607 SolverSat, 525 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 575 GetRequests, 459 SyntacticMatches, 2 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 307 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=949occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 12 MinimizatonAttempts, 189 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 1938 PreInvPairs, 2073 NumberOfFragments, 1401 HoareAnnotationTreeSize, 1938 FomulaSimplifications, 5427 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 62 FomulaSimplificationsInter, 12435 FormulaSimplificationTreeSizeReductionInter, 3.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 1503 NumberOfCodeBlocks, 1503 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1488 ConstructedInterpolants, 0 QuantifiedInterpolants, 267330 SizeOfPredicates, 6 NumberOfNonLiveVariables, 2596 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 15 InterpolantComputations, 12 PerfectInterpolantSequences, 211/219 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...