java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product15.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 19:38:49,683 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 19:38:49,686 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 19:38:49,699 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 19:38:49,699 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 19:38:49,701 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 19:38:49,702 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 19:38:49,704 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 19:38:49,706 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 19:38:49,707 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 19:38:49,708 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 19:38:49,709 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 19:38:49,709 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 19:38:49,710 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 19:38:49,711 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 19:38:49,712 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 19:38:49,713 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 19:38:49,714 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 19:38:49,715 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 19:38:49,717 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 19:38:49,719 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 19:38:49,720 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 19:38:49,721 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 19:38:49,722 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 19:38:49,724 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 19:38:49,724 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 19:38:49,725 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 19:38:49,726 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 19:38:49,726 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 19:38:49,727 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 19:38:49,727 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 19:38:49,728 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 19:38:49,729 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 19:38:49,730 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 19:38:49,731 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 19:38:49,731 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 19:38:49,732 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 19:38:49,732 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 19:38:49,732 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 19:38:49,733 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 19:38:49,734 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 19:38:49,735 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 19:38:49,749 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 19:38:49,750 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 19:38:49,751 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 19:38:49,751 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 19:38:49,751 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 19:38:49,752 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 19:38:49,752 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 19:38:49,752 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 19:38:49,752 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 19:38:49,752 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 19:38:49,753 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 19:38:49,753 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 19:38:49,753 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 19:38:49,753 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 19:38:49,753 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 19:38:49,754 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 19:38:49,754 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 19:38:49,754 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 19:38:49,754 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 19:38:49,755 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 19:38:49,755 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 19:38:49,755 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 19:38:49,755 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 19:38:49,756 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 19:38:49,756 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 19:38:49,756 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 19:38:49,756 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 19:38:49,756 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 19:38:49,757 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-13 19:38:50,016 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 19:38:50,030 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 19:38:50,033 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 19:38:50,035 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 19:38:50,035 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 19:38:50,036 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product15.cil.c [2019-10-13 19:38:50,097 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a7deac52/3ba0194235304b67826be684f80e671b/FLAG6f86e6390 [2019-10-13 19:38:50,624 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 19:38:50,625 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product15.cil.c [2019-10-13 19:38:50,646 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a7deac52/3ba0194235304b67826be684f80e671b/FLAG6f86e6390 [2019-10-13 19:38:50,939 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a7deac52/3ba0194235304b67826be684f80e671b [2019-10-13 19:38:50,950 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 19:38:50,951 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 19:38:50,952 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 19:38:50,953 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 19:38:50,956 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 19:38:50,957 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:38:50" (1/1) ... [2019-10-13 19:38:50,960 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@437675f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:38:50, skipping insertion in model container [2019-10-13 19:38:50,961 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:38:50" (1/1) ... [2019-10-13 19:38:50,969 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 19:38:51,026 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 19:38:51,464 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:38:51,489 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 19:38:51,587 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:38:51,620 INFO L192 MainTranslator]: Completed translation [2019-10-13 19:38:51,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:38:51 WrapperNode [2019-10-13 19:38:51,621 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 19:38:51,622 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 19:38:51,622 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 19:38:51,622 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 19:38:51,636 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:38:51" (1/1) ... [2019-10-13 19:38:51,637 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:38:51" (1/1) ... [2019-10-13 19:38:51,658 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:38:51" (1/1) ... [2019-10-13 19:38:51,658 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:38:51" (1/1) ... [2019-10-13 19:38:51,700 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:38:51" (1/1) ... [2019-10-13 19:38:51,709 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:38:51" (1/1) ... [2019-10-13 19:38:51,714 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:38:51" (1/1) ... [2019-10-13 19:38:51,723 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 19:38:51,724 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 19:38:51,724 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 19:38:51,724 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 19:38:51,725 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:38:51" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 19:38:51,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 19:38:51,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 19:38:51,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 19:38:51,786 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 19:38:51,786 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 19:38:51,786 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 19:38:51,787 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 19:38:51,787 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 19:38:51,787 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 19:38:51,787 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 19:38:51,787 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-10-13 19:38:51,787 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 19:38:51,788 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2019-10-13 19:38:51,788 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 19:38:51,788 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 19:38:51,788 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 19:38:51,788 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 19:38:51,789 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 19:38:51,789 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-13 19:38:51,789 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 19:38:51,789 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 19:38:51,789 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 19:38:51,789 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 19:38:51,790 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 19:38:51,790 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 19:38:51,790 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 19:38:51,790 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 19:38:51,790 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 19:38:51,790 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 19:38:51,791 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 19:38:51,791 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 19:38:51,791 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 19:38:51,791 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 19:38:51,791 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 19:38:51,792 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 19:38:51,792 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 19:38:51,792 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-10-13 19:38:51,792 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 19:38:51,792 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 19:38:51,792 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 19:38:51,793 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 19:38:51,793 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 19:38:51,793 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 19:38:51,793 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 19:38:51,793 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 19:38:51,793 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 19:38:51,794 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 19:38:51,794 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-13 19:38:51,794 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 19:38:51,794 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 19:38:51,794 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 19:38:51,794 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 19:38:51,795 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 19:38:51,795 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 19:38:51,795 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 19:38:51,795 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 19:38:51,795 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 19:38:51,795 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 19:38:51,796 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-10-13 19:38:51,796 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 19:38:51,796 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-10-13 19:38:51,796 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 19:38:51,796 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2019-10-13 19:38:51,796 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 19:38:51,797 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 19:38:51,797 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 19:38:51,797 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 19:38:51,797 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 19:38:51,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 19:38:51,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 19:38:51,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 19:38:51,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 19:38:51,798 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 19:38:51,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 19:38:51,798 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 19:38:51,799 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 19:38:51,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 19:38:51,799 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 19:38:51,799 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 19:38:51,799 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 19:38:51,799 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 19:38:51,799 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 19:38:51,800 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 19:38:51,800 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 19:38:51,800 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 19:38:51,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 19:38:51,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 19:38:51,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 19:38:52,836 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 19:38:52,837 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 19:38:52,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:38:52 BoogieIcfgContainer [2019-10-13 19:38:52,839 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 19:38:52,840 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 19:38:52,840 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 19:38:52,843 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 19:38:52,844 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:38:50" (1/3) ... [2019-10-13 19:38:52,845 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b55422b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:38:52, skipping insertion in model container [2019-10-13 19:38:52,845 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:38:51" (2/3) ... [2019-10-13 19:38:52,845 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b55422b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:38:52, skipping insertion in model container [2019-10-13 19:38:52,846 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:38:52" (3/3) ... [2019-10-13 19:38:52,848 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product15.cil.c [2019-10-13 19:38:52,859 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 19:38:52,868 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 19:38:52,879 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 19:38:52,906 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 19:38:52,907 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 19:38:52,907 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 19:38:52,907 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 19:38:52,907 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 19:38:52,908 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 19:38:52,908 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 19:38:52,908 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 19:38:52,932 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states. [2019-10-13 19:38:52,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-13 19:38:52,942 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:38:52,943 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 19:38:52,945 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:38:52,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:38:52,951 INFO L82 PathProgramCache]: Analyzing trace with hash 143568661, now seen corresponding path program 1 times [2019-10-13 19:38:52,961 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:38:52,961 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317137370] [2019-10-13 19:38:52,962 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:38:52,962 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:38:52,962 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:38:53,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:53,679 WARN L191 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-13 19:38:53,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:53,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:53,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:53,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:53,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:53,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:53,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:53,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 19:38:53,774 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317137370] [2019-10-13 19:38:53,775 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:38:53,776 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 19:38:53,776 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26005303] [2019-10-13 19:38:53,782 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 19:38:53,783 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:38:53,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 19:38:53,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 19:38:53,805 INFO L87 Difference]: Start difference. First operand 159 states. Second operand 3 states. [2019-10-13 19:38:54,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:38:54,987 INFO L93 Difference]: Finished difference Result 257 states and 340 transitions. [2019-10-13 19:38:54,987 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 19:38:54,989 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2019-10-13 19:38:54,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:38:55,003 INFO L225 Difference]: With dead ends: 257 [2019-10-13 19:38:55,003 INFO L226 Difference]: Without dead ends: 140 [2019-10-13 19:38:55,010 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 19:38:55,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2019-10-13 19:38:55,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 108. [2019-10-13 19:38:55,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2019-10-13 19:38:55,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 126 transitions. [2019-10-13 19:38:55,093 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 126 transitions. Word has length 46 [2019-10-13 19:38:55,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:38:55,094 INFO L462 AbstractCegarLoop]: Abstraction has 108 states and 126 transitions. [2019-10-13 19:38:55,094 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 19:38:55,094 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 126 transitions. [2019-10-13 19:38:55,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-13 19:38:55,097 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:38:55,097 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 19:38:55,098 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:38:55,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:38:55,098 INFO L82 PathProgramCache]: Analyzing trace with hash 1665995157, now seen corresponding path program 1 times [2019-10-13 19:38:55,098 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:38:55,099 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080723415] [2019-10-13 19:38:55,099 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:38:55,099 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:38:55,099 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:38:55,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:55,443 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-13 19:38:55,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:55,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:55,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:55,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:55,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:55,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:55,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:55,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 19:38:55,478 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080723415] [2019-10-13 19:38:55,479 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:38:55,479 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 19:38:55,479 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286559955] [2019-10-13 19:38:55,481 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 19:38:55,481 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:38:55,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 19:38:55,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 19:38:55,482 INFO L87 Difference]: Start difference. First operand 108 states and 126 transitions. Second operand 4 states. [2019-10-13 19:38:55,984 WARN L191 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-10-13 19:38:56,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:38:56,654 INFO L93 Difference]: Finished difference Result 184 states and 223 transitions. [2019-10-13 19:38:56,654 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-13 19:38:56,655 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2019-10-13 19:38:56,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:38:56,657 INFO L225 Difference]: With dead ends: 184 [2019-10-13 19:38:56,658 INFO L226 Difference]: Without dead ends: 124 [2019-10-13 19:38:56,659 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-13 19:38:56,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2019-10-13 19:38:56,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 99. [2019-10-13 19:38:56,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2019-10-13 19:38:56,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 114 transitions. [2019-10-13 19:38:56,691 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 114 transitions. Word has length 47 [2019-10-13 19:38:56,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:38:56,692 INFO L462 AbstractCegarLoop]: Abstraction has 99 states and 114 transitions. [2019-10-13 19:38:56,692 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 19:38:56,692 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 114 transitions. [2019-10-13 19:38:56,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-13 19:38:56,704 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:38:56,704 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 19:38:56,704 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:38:56,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:38:56,705 INFO L82 PathProgramCache]: Analyzing trace with hash 1977159256, now seen corresponding path program 1 times [2019-10-13 19:38:56,705 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:38:56,705 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639794389] [2019-10-13 19:38:56,707 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:38:56,708 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:38:56,708 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:38:56,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:57,087 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-13 19:38:57,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:57,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:57,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:57,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:57,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:57,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:57,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:38:57,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 19:38:57,276 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639794389] [2019-10-13 19:38:57,277 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:38:57,277 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-13 19:38:57,277 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751834674] [2019-10-13 19:38:57,279 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 19:38:57,279 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:38:57,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 19:38:57,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-10-13 19:38:57,281 INFO L87 Difference]: Start difference. First operand 99 states and 114 transitions. Second operand 8 states. [2019-10-13 19:38:57,832 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-10-13 19:38:58,171 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-13 19:38:58,449 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-13 19:38:58,723 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-13 19:38:59,480 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-10-13 19:39:00,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:39:00,897 INFO L93 Difference]: Finished difference Result 345 states and 428 transitions. [2019-10-13 19:39:00,899 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-13 19:39:00,899 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2019-10-13 19:39:00,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:39:00,904 INFO L225 Difference]: With dead ends: 345 [2019-10-13 19:39:00,904 INFO L226 Difference]: Without dead ends: 270 [2019-10-13 19:39:00,905 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2019-10-13 19:39:00,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2019-10-13 19:39:00,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 216. [2019-10-13 19:39:00,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2019-10-13 19:39:00,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 260 transitions. [2019-10-13 19:39:00,980 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 260 transitions. Word has length 51 [2019-10-13 19:39:00,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:39:00,981 INFO L462 AbstractCegarLoop]: Abstraction has 216 states and 260 transitions. [2019-10-13 19:39:00,981 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 19:39:00,981 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 260 transitions. [2019-10-13 19:39:00,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-13 19:39:00,983 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:39:00,983 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 19:39:00,983 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:39:00,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:39:00,984 INFO L82 PathProgramCache]: Analyzing trace with hash -1061912152, now seen corresponding path program 1 times [2019-10-13 19:39:00,984 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:39:00,984 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277870182] [2019-10-13 19:39:00,985 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:39:00,985 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:39:00,985 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:39:01,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:01,349 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-13 19:39:01,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:01,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:01,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:01,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:01,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:01,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:01,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:01,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:01,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 19:39:01,461 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277870182] [2019-10-13 19:39:01,461 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:39:01,461 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-10-13 19:39:01,461 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499157416] [2019-10-13 19:39:01,462 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-13 19:39:01,462 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:39:01,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-13 19:39:01,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2019-10-13 19:39:01,463 INFO L87 Difference]: Start difference. First operand 216 states and 260 transitions. Second operand 12 states. [2019-10-13 19:39:02,047 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-10-13 19:39:02,425 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-13 19:39:02,756 WARN L191 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-13 19:39:03,022 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-13 19:39:03,696 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-10-13 19:39:04,717 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-13 19:39:05,122 WARN L191 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-13 19:39:05,454 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-13 19:39:05,758 WARN L191 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2019-10-13 19:39:06,058 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-10-13 19:39:06,407 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-13 19:39:06,747 WARN L191 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-13 19:39:07,112 WARN L191 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-13 19:39:08,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:39:08,431 INFO L93 Difference]: Finished difference Result 855 states and 1150 transitions. [2019-10-13 19:39:08,431 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-10-13 19:39:08,432 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 57 [2019-10-13 19:39:08,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:39:08,441 INFO L225 Difference]: With dead ends: 855 [2019-10-13 19:39:08,441 INFO L226 Difference]: Without dead ends: 663 [2019-10-13 19:39:08,444 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2019-10-13 19:39:08,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 663 states. [2019-10-13 19:39:08,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 663 to 570. [2019-10-13 19:39:08,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 570 states. [2019-10-13 19:39:08,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 570 states and 706 transitions. [2019-10-13 19:39:08,577 INFO L78 Accepts]: Start accepts. Automaton has 570 states and 706 transitions. Word has length 57 [2019-10-13 19:39:08,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:39:08,577 INFO L462 AbstractCegarLoop]: Abstraction has 570 states and 706 transitions. [2019-10-13 19:39:08,577 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-10-13 19:39:08,578 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 706 transitions. [2019-10-13 19:39:08,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-10-13 19:39:08,580 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:39:08,580 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 19:39:08,581 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:39:08,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:39:08,581 INFO L82 PathProgramCache]: Analyzing trace with hash -1238507602, now seen corresponding path program 1 times [2019-10-13 19:39:08,581 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:39:08,581 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181181887] [2019-10-13 19:39:08,582 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:39:08,582 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:39:08,582 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:39:08,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:08,935 WARN L191 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-13 19:39:08,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:08,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:08,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:08,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:08,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:08,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:09,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:09,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:09,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:09,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 19:39:09,018 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181181887] [2019-10-13 19:39:09,018 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:39:09,019 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 19:39:09,019 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769085509] [2019-10-13 19:39:09,019 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 19:39:09,020 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:39:09,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 19:39:09,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-13 19:39:09,020 INFO L87 Difference]: Start difference. First operand 570 states and 706 transitions. Second operand 6 states. [2019-10-13 19:39:09,478 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-10-13 19:39:10,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:39:10,261 INFO L93 Difference]: Finished difference Result 961 states and 1237 transitions. [2019-10-13 19:39:10,261 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 19:39:10,261 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2019-10-13 19:39:10,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:39:10,265 INFO L225 Difference]: With dead ends: 961 [2019-10-13 19:39:10,265 INFO L226 Difference]: Without dead ends: 415 [2019-10-13 19:39:10,268 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2019-10-13 19:39:10,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2019-10-13 19:39:10,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 390. [2019-10-13 19:39:10,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 390 states. [2019-10-13 19:39:10,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 449 transitions. [2019-10-13 19:39:10,346 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 449 transitions. Word has length 61 [2019-10-13 19:39:10,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:39:10,346 INFO L462 AbstractCegarLoop]: Abstraction has 390 states and 449 transitions. [2019-10-13 19:39:10,346 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 19:39:10,346 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 449 transitions. [2019-10-13 19:39:10,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-10-13 19:39:10,349 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:39:10,349 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 19:39:10,349 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:39:10,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:39:10,350 INFO L82 PathProgramCache]: Analyzing trace with hash 5395237, now seen corresponding path program 1 times [2019-10-13 19:39:10,350 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:39:10,350 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920510029] [2019-10-13 19:39:10,351 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:39:10,351 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:39:10,351 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:39:10,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:10,714 WARN L191 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-13 19:39:10,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:10,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:10,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:10,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:10,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:10,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:10,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:10,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:10,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:10,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:10,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:10,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:10,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:10,836 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-13 19:39:10,837 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920510029] [2019-10-13 19:39:10,837 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [410250399] [2019-10-13 19:39:10,846 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 19:39:11,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:39:11,039 INFO L256 TraceCheckSpWp]: Trace formula consists of 750 conjuncts, 15 conjunts are in the unsatisfiable core [2019-10-13 19:39:11,056 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 19:39:11,223 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 19:39:11,224 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-13 19:39:11,224 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7] total 15 [2019-10-13 19:39:11,224 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057872868] [2019-10-13 19:39:11,225 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-10-13 19:39:11,225 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:39:11,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-10-13 19:39:11,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2019-10-13 19:39:11,226 INFO L87 Difference]: Start difference. First operand 390 states and 449 transitions. Second operand 15 states. [2019-10-13 19:39:11,873 WARN L191 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-13 19:39:12,608 WARN L191 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-13 19:39:13,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:39:13,610 INFO L93 Difference]: Finished difference Result 522 states and 614 transitions. [2019-10-13 19:39:13,610 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-13 19:39:13,610 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 88 [2019-10-13 19:39:13,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:39:13,611 INFO L225 Difference]: With dead ends: 522 [2019-10-13 19:39:13,611 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 19:39:13,613 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=129, Invalid=423, Unknown=0, NotChecked=0, Total=552 [2019-10-13 19:39:13,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 19:39:13,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 19:39:13,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 19:39:13,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 19:39:13,614 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 88 [2019-10-13 19:39:13,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:39:13,614 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 19:39:13,614 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-10-13 19:39:13,615 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 19:39:13,615 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 19:39:13,820 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 19:39:13,826 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 19:39:14,058 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 19 [2019-10-13 19:39:14,506 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 21 [2019-10-13 19:39:16,567 WARN L191 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 18 [2019-10-13 19:39:16,750 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2019-10-13 19:39:17,329 WARN L191 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 21 [2019-10-13 19:39:17,572 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 1 [2019-10-13 19:39:17,729 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2019-10-13 19:39:18,008 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-13 19:39:18,217 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 1 [2019-10-13 19:39:18,700 WARN L191 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 21 [2019-10-13 19:39:19,148 WARN L191 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 17 [2019-10-13 19:39:19,344 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2019-10-13 19:39:19,844 WARN L191 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 17 [2019-10-13 19:39:20,025 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2019-10-13 19:39:20,225 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 1 [2019-10-13 19:39:20,742 WARN L191 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 24 [2019-10-13 19:39:20,945 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2019-10-13 19:39:21,102 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2019-10-13 19:39:21,564 WARN L191 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 18 [2019-10-13 19:39:21,717 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2019-10-13 19:39:21,890 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2019-10-13 19:39:22,058 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2019-10-13 19:39:22,683 WARN L191 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 21 [2019-10-13 19:39:22,686 INFO L443 ceAbstractionStarter]: For program point L415(lines 415 419) no Hoare annotation was computed. [2019-10-13 19:39:22,687 INFO L443 ceAbstractionStarter]: For program point L415-1(lines 415 419) no Hoare annotation was computed. [2019-10-13 19:39:22,687 INFO L443 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2019-10-13 19:39:22,687 INFO L443 ceAbstractionStarter]: For program point L409-2(lines 409 430) no Hoare annotation was computed. [2019-10-13 19:39:22,687 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 384 439) no Hoare annotation was computed. [2019-10-13 19:39:22,687 INFO L443 ceAbstractionStarter]: For program point L431(lines 408 432) no Hoare annotation was computed. [2019-10-13 19:39:22,687 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 384 439) no Hoare annotation was computed. [2019-10-13 19:39:22,687 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 384 439) no Hoare annotation was computed. [2019-10-13 19:39:22,688 INFO L443 ceAbstractionStarter]: For program point L472(lines 472 476) no Hoare annotation was computed. [2019-10-13 19:39:22,688 INFO L443 ceAbstractionStarter]: For program point L472-1(lines 472 476) no Hoare annotation was computed. [2019-10-13 19:39:22,688 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 440 499) no Hoare annotation was computed. [2019-10-13 19:39:22,688 INFO L443 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2019-10-13 19:39:22,688 INFO L443 ceAbstractionStarter]: For program point L466-2(lines 466 491) no Hoare annotation was computed. [2019-10-13 19:39:22,688 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 440 499) no Hoare annotation was computed. [2019-10-13 19:39:22,688 INFO L443 ceAbstractionStarter]: For program point L492(lines 465 493) no Hoare annotation was computed. [2019-10-13 19:39:22,688 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 440 499) no Hoare annotation was computed. [2019-10-13 19:39:22,688 INFO L443 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2019-10-13 19:39:22,688 INFO L443 ceAbstractionStarter]: For program point L485-1(line 485) no Hoare annotation was computed. [2019-10-13 19:39:22,689 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2019-10-13 19:39:22,689 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2019-10-13 19:39:22,689 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2019-10-13 19:39:22,689 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2019-10-13 19:39:22,689 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2019-10-13 19:39:22,689 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 875 899) the Hoare annotation is: true [2019-10-13 19:39:22,689 INFO L439 ceAbstractionStarter]: At program point L889(line 889) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0))) (or .cse0 (not (= ~waterLevel~0 1))))) [2019-10-13 19:39:22,689 INFO L443 ceAbstractionStarter]: For program point L887(lines 887 893) no Hoare annotation was computed. [2019-10-13 19:39:22,689 INFO L439 ceAbstractionStarter]: At program point L885(line 885) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0))) (or .cse0 (not (= ~waterLevel~0 1))))) [2019-10-13 19:39:22,690 INFO L443 ceAbstractionStarter]: For program point L885-1(line 885) no Hoare annotation was computed. [2019-10-13 19:39:22,690 INFO L443 ceAbstractionStarter]: For program point L883(lines 883 896) no Hoare annotation was computed. [2019-10-13 19:39:22,690 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 875 899) no Hoare annotation was computed. [2019-10-13 19:39:22,690 INFO L443 ceAbstractionStarter]: For program point L883-1(lines 875 899) no Hoare annotation was computed. [2019-10-13 19:39:22,690 INFO L446 ceAbstractionStarter]: At program point L881(line 881) the Hoare annotation is: true [2019-10-13 19:39:22,690 INFO L443 ceAbstractionStarter]: For program point L881-1(line 881) no Hoare annotation was computed. [2019-10-13 19:39:22,690 INFO L439 ceAbstractionStarter]: At program point L863(line 863) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~6 ~systemActive~0) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 19:39:22,690 INFO L439 ceAbstractionStarter]: At program point L863-1(line 863) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~6 ~systemActive~0) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 19:39:22,691 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 851 873) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 19:39:22,691 INFO L443 ceAbstractionStarter]: For program point L861(lines 861 868) no Hoare annotation was computed. [2019-10-13 19:39:22,691 INFO L443 ceAbstractionStarter]: For program point L861-1(lines 861 868) no Hoare annotation was computed. [2019-10-13 19:39:22,691 INFO L443 ceAbstractionStarter]: For program point L859(line 859) no Hoare annotation was computed. [2019-10-13 19:39:22,691 INFO L439 ceAbstractionStarter]: At program point L858(line 858) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 19:39:22,691 INFO L439 ceAbstractionStarter]: At program point L857(line 857) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 19:39:22,692 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 851 873) no Hoare annotation was computed. [2019-10-13 19:39:22,692 INFO L439 ceAbstractionStarter]: At program point L857-1(line 857) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 19:39:22,692 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 851 873) no Hoare annotation was computed. [2019-10-13 19:39:22,692 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 810 833) no Hoare annotation was computed. [2019-10-13 19:39:22,692 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 810 833) no Hoare annotation was computed. [2019-10-13 19:39:22,692 INFO L443 ceAbstractionStarter]: For program point L828(line 828) no Hoare annotation was computed. [2019-10-13 19:39:22,692 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 810 833) no Hoare annotation was computed. [2019-10-13 19:39:22,692 INFO L443 ceAbstractionStarter]: For program point L827(line 827) no Hoare annotation was computed. [2019-10-13 19:39:22,692 INFO L443 ceAbstractionStarter]: For program point L826(line 826) no Hoare annotation was computed. [2019-10-13 19:39:22,692 INFO L443 ceAbstractionStarter]: For program point L825(line 825) no Hoare annotation was computed. [2019-10-13 19:39:22,693 INFO L443 ceAbstractionStarter]: For program point L824(line 824) no Hoare annotation was computed. [2019-10-13 19:39:22,693 INFO L443 ceAbstractionStarter]: For program point L823(line 823) no Hoare annotation was computed. [2019-10-13 19:39:22,693 INFO L443 ceAbstractionStarter]: For program point L822(line 822) no Hoare annotation was computed. [2019-10-13 19:39:22,693 INFO L443 ceAbstractionStarter]: For program point L821(line 821) no Hoare annotation was computed. [2019-10-13 19:39:22,693 INFO L443 ceAbstractionStarter]: For program point L820(line 820) no Hoare annotation was computed. [2019-10-13 19:39:22,693 INFO L443 ceAbstractionStarter]: For program point L819(line 819) no Hoare annotation was computed. [2019-10-13 19:39:22,693 INFO L443 ceAbstractionStarter]: For program point L818(line 818) no Hoare annotation was computed. [2019-10-13 19:39:22,693 INFO L443 ceAbstractionStarter]: For program point L817(line 817) no Hoare annotation was computed. [2019-10-13 19:39:22,693 INFO L443 ceAbstractionStarter]: For program point L816(line 816) no Hoare annotation was computed. [2019-10-13 19:39:22,693 INFO L443 ceAbstractionStarter]: For program point L815(line 815) no Hoare annotation was computed. [2019-10-13 19:39:22,694 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 194 200) no Hoare annotation was computed. [2019-10-13 19:39:22,694 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 194 200) the Hoare annotation is: true [2019-10-13 19:39:22,694 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 316 330) no Hoare annotation was computed. [2019-10-13 19:39:22,694 INFO L443 ceAbstractionStarter]: For program point L320(lines 320 326) no Hoare annotation was computed. [2019-10-13 19:39:22,694 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 316 330) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~pumpRunning~0 0)))) (and (or (or .cse0 (not (= ~waterLevel~0 1))) .cse1) (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1))) [2019-10-13 19:39:22,694 INFO L443 ceAbstractionStarter]: For program point stopSystemFINAL(lines 316 330) no Hoare annotation was computed. [2019-10-13 19:39:22,694 INFO L439 ceAbstractionStarter]: At program point L322(line 322) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~waterLevel~0))) [2019-10-13 19:39:22,694 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__baseEXIT(lines 227 234) no Hoare annotation was computed. [2019-10-13 19:39:22,694 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__baseENTRY(lines 227 234) no Hoare annotation was computed. [2019-10-13 19:39:22,695 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__baseFINAL(lines 227 234) no Hoare annotation was computed. [2019-10-13 19:39:22,695 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 271 279) no Hoare annotation was computed. [2019-10-13 19:39:22,695 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 271 279) the Hoare annotation is: true [2019-10-13 19:39:22,695 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 271 279) no Hoare annotation was computed. [2019-10-13 19:39:22,695 INFO L443 ceAbstractionStarter]: For program point L287(lines 287 295) no Hoare annotation was computed. [2019-10-13 19:39:22,695 INFO L443 ceAbstractionStarter]: For program point L287-2(lines 287 295) no Hoare annotation was computed. [2019-10-13 19:39:22,695 INFO L443 ceAbstractionStarter]: For program point L310(line 310) no Hoare annotation was computed. [2019-10-13 19:39:22,696 INFO L443 ceAbstractionStarter]: For program point L310-1(line 310) no Hoare annotation was computed. [2019-10-13 19:39:22,696 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 280 315) no Hoare annotation was computed. [2019-10-13 19:39:22,696 INFO L443 ceAbstractionStarter]: For program point L299(lines 299 307) no Hoare annotation was computed. [2019-10-13 19:39:22,696 INFO L443 ceAbstractionStarter]: For program point L299-2(lines 299 307) no Hoare annotation was computed. [2019-10-13 19:39:22,696 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 280 315) no Hoare annotation was computed. [2019-10-13 19:39:22,696 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 280 315) no Hoare annotation was computed. [2019-10-13 19:39:22,696 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2019-10-13 19:39:22,696 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2019-10-13 19:39:22,696 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 338 383) no Hoare annotation was computed. [2019-10-13 19:39:22,696 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 338 383) no Hoare annotation was computed. [2019-10-13 19:39:22,697 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 338 383) no Hoare annotation was computed. [2019-10-13 19:39:22,697 INFO L443 ceAbstractionStarter]: For program point L671(lines 671 678) no Hoare annotation was computed. [2019-10-13 19:39:22,697 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 651 696) no Hoare annotation was computed. [2019-10-13 19:39:22,697 INFO L443 ceAbstractionStarter]: For program point L665(lines 665 685) no Hoare annotation was computed. [2019-10-13 19:39:22,697 INFO L443 ceAbstractionStarter]: For program point L665-1(lines 665 685) no Hoare annotation was computed. [2019-10-13 19:39:22,697 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 651 696) no Hoare annotation was computed. [2019-10-13 19:39:22,697 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 651 696) no Hoare annotation was computed. [2019-10-13 19:39:22,697 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 841 850) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 19:39:22,697 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 841 850) no Hoare annotation was computed. [2019-10-13 19:39:22,698 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 841 850) no Hoare annotation was computed. [2019-10-13 19:39:22,698 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 260 270) the Hoare annotation is: true [2019-10-13 19:39:22,698 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 260 270) no Hoare annotation was computed. [2019-10-13 19:39:22,698 INFO L446 ceAbstractionStarter]: At program point L265(line 265) the Hoare annotation is: true [2019-10-13 19:39:22,698 INFO L443 ceAbstractionStarter]: For program point L265-1(line 265) no Hoare annotation was computed. [2019-10-13 19:39:22,698 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 260 270) no Hoare annotation was computed. [2019-10-13 19:39:22,698 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 252 259) the Hoare annotation is: true [2019-10-13 19:39:22,698 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 252 259) no Hoare annotation was computed. [2019-10-13 19:39:22,698 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 252 259) no Hoare annotation was computed. [2019-10-13 19:39:22,699 INFO L439 ceAbstractionStarter]: At program point L221(line 221) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse0 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse1 .cse2 (not (<= 2 ~waterLevel~0)) .cse0))) [2019-10-13 19:39:22,699 INFO L443 ceAbstractionStarter]: For program point L221-1(lines 202 226) no Hoare annotation was computed. [2019-10-13 19:39:22,699 INFO L439 ceAbstractionStarter]: At program point L216(line 216) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-13 19:39:22,699 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 202 226) no Hoare annotation was computed. [2019-10-13 19:39:22,699 INFO L439 ceAbstractionStarter]: At program point L212(line 212) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-13 19:39:22,699 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 202 226) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse0 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse1 .cse2 (not (<= 2 ~waterLevel~0)) .cse0))) [2019-10-13 19:39:22,699 INFO L443 ceAbstractionStarter]: For program point L210(lines 210 218) no Hoare annotation was computed. [2019-10-13 19:39:22,699 INFO L439 ceAbstractionStarter]: At program point L208(line 208) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-13 19:39:22,700 INFO L443 ceAbstractionStarter]: For program point L208-1(line 208) no Hoare annotation was computed. [2019-10-13 19:39:22,700 INFO L443 ceAbstractionStarter]: For program point L206(lines 206 223) no Hoare annotation was computed. [2019-10-13 19:39:22,700 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 92 157) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 19:39:22,700 INFO L439 ceAbstractionStarter]: At program point L124(line 124) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1))) [2019-10-13 19:39:22,700 INFO L443 ceAbstractionStarter]: For program point L122(lines 122 128) no Hoare annotation was computed. [2019-10-13 19:39:22,700 INFO L443 ceAbstractionStarter]: For program point L122-1(lines 122 128) no Hoare annotation was computed. [2019-10-13 19:39:22,700 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 92 157) no Hoare annotation was computed. [2019-10-13 19:39:22,701 INFO L439 ceAbstractionStarter]: At program point L147(lines 102 149) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1))) [2019-10-13 19:39:22,701 INFO L439 ceAbstractionStarter]: At program point L114(line 114) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2019-10-13 19:39:22,701 INFO L443 ceAbstractionStarter]: For program point L112(lines 112 118) no Hoare annotation was computed. [2019-10-13 19:39:22,701 INFO L443 ceAbstractionStarter]: For program point L112-1(lines 112 118) no Hoare annotation was computed. [2019-10-13 19:39:22,701 INFO L443 ceAbstractionStarter]: For program point L104(lines 104 108) no Hoare annotation was computed. [2019-10-13 19:39:22,701 INFO L439 ceAbstractionStarter]: At program point L150(lines 101 151) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-13 19:39:22,701 INFO L439 ceAbstractionStarter]: At program point L140(line 140) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= ~pumpRunning~0 0))) (or (and (and .cse0 (= ~waterLevel~0 |old(~waterLevel~0)|)) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1))) [2019-10-13 19:39:22,701 INFO L443 ceAbstractionStarter]: For program point L138(lines 138 144) no Hoare annotation was computed. [2019-10-13 19:39:22,702 INFO L439 ceAbstractionStarter]: At program point L138-1(lines 132 145) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1))) [2019-10-13 19:39:22,702 INFO L443 ceAbstractionStarter]: For program point L103(lines 102 149) no Hoare annotation was computed. [2019-10-13 19:39:22,702 INFO L443 ceAbstractionStarter]: For program point L132(lines 132 145) no Hoare annotation was computed. [2019-10-13 19:39:22,702 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 92 157) no Hoare annotation was computed. [2019-10-13 19:39:22,702 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 605 650) no Hoare annotation was computed. [2019-10-13 19:39:22,702 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 605 650) no Hoare annotation was computed. [2019-10-13 19:39:22,702 INFO L443 ceAbstractionStarter]: For program point L625(lines 625 632) no Hoare annotation was computed. [2019-10-13 19:39:22,702 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 605 650) no Hoare annotation was computed. [2019-10-13 19:39:22,702 INFO L443 ceAbstractionStarter]: For program point L619(lines 619 639) no Hoare annotation was computed. [2019-10-13 19:39:22,702 INFO L443 ceAbstractionStarter]: For program point L619-1(lines 619 639) no Hoare annotation was computed. [2019-10-13 19:39:22,702 INFO L443 ceAbstractionStarter]: For program point L754-2(lines 754 762) no Hoare annotation was computed. [2019-10-13 19:39:22,703 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 746 768) no Hoare annotation was computed. [2019-10-13 19:39:22,703 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 746 768) no Hoare annotation was computed. [2019-10-13 19:39:22,703 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 746 768) no Hoare annotation was computed. [2019-10-13 19:39:22,703 INFO L443 ceAbstractionStarter]: For program point L754(lines 754 762) no Hoare annotation was computed. [2019-10-13 19:39:22,703 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2019-10-13 19:39:22,703 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2019-10-13 19:39:22,703 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2019-10-13 19:39:22,703 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 502 604) no Hoare annotation was computed. [2019-10-13 19:39:22,703 INFO L443 ceAbstractionStarter]: For program point L572(lines 550 573) no Hoare annotation was computed. [2019-10-13 19:39:22,703 INFO L443 ceAbstractionStarter]: For program point L531(lines 531 547) no Hoare annotation was computed. [2019-10-13 19:39:22,704 INFO L443 ceAbstractionStarter]: For program point L591(lines 591 598) no Hoare annotation was computed. [2019-10-13 19:39:22,704 INFO L443 ceAbstractionStarter]: For program point L552(lines 551 571) no Hoare annotation was computed. [2019-10-13 19:39:22,704 INFO L443 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2019-10-13 19:39:22,704 INFO L443 ceAbstractionStarter]: For program point L583-1(line 583) no Hoare annotation was computed. [2019-10-13 19:39:22,704 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 502 604) no Hoare annotation was computed. [2019-10-13 19:39:22,704 INFO L443 ceAbstractionStarter]: For program point L548(lines 548 589) no Hoare annotation was computed. [2019-10-13 19:39:22,704 INFO L443 ceAbstractionStarter]: For program point L567(line 567) no Hoare annotation was computed. [2019-10-13 19:39:22,704 INFO L443 ceAbstractionStarter]: For program point L567-1(line 567) no Hoare annotation was computed. [2019-10-13 19:39:22,704 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 502 604) no Hoare annotation was computed. [2019-10-13 19:39:22,704 INFO L443 ceAbstractionStarter]: For program point L526(lines 526 530) no Hoare annotation was computed. [2019-10-13 19:39:22,704 INFO L443 ceAbstractionStarter]: For program point L590(lines 590 601) no Hoare annotation was computed. [2019-10-13 19:39:22,705 INFO L443 ceAbstractionStarter]: For program point L553(lines 553 557) no Hoare annotation was computed. [2019-10-13 19:39:22,705 INFO L443 ceAbstractionStarter]: For program point L551-2(lines 551 571) no Hoare annotation was computed. [2019-10-13 19:39:22,705 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 19:39:22,705 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string51.base| |old(#t~string51.base)|) (= |#t~string17.base| |old(#t~string17.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string11.offset| |old(#t~string11.offset)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string11.base| |old(#t~string11.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|)) [2019-10-13 19:39:22,705 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 19:39:22,706 INFO L443 ceAbstractionStarter]: For program point L240(line 240) no Hoare annotation was computed. [2019-10-13 19:39:22,706 INFO L443 ceAbstractionStarter]: For program point L240-1(line 240) no Hoare annotation was computed. [2019-10-13 19:39:22,706 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 235 251) no Hoare annotation was computed. [2019-10-13 19:39:22,706 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 235 251) no Hoare annotation was computed. [2019-10-13 19:39:22,706 INFO L443 ceAbstractionStarter]: For program point L246(line 246) no Hoare annotation was computed. [2019-10-13 19:39:22,706 INFO L443 ceAbstractionStarter]: For program point L246-1(lines 235 251) no Hoare annotation was computed. [2019-10-13 19:39:22,707 INFO L443 ceAbstractionStarter]: For program point L242(lines 242 248) no Hoare annotation was computed. [2019-10-13 19:39:22,707 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 769 777) the Hoare annotation is: true [2019-10-13 19:39:22,707 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 769 777) no Hoare annotation was computed. [2019-10-13 19:39:22,707 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 769 777) no Hoare annotation was computed. [2019-10-13 19:39:22,707 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 725 736) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or .cse0 (not (= ~waterLevel~0 1)) .cse1))) [2019-10-13 19:39:22,707 INFO L443 ceAbstractionStarter]: For program point L729-1(lines 725 736) no Hoare annotation was computed. [2019-10-13 19:39:22,708 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 725 736) no Hoare annotation was computed. [2019-10-13 19:39:22,708 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 19:39:22,708 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 19:39:22,708 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-13 19:39:22,708 INFO L439 ceAbstractionStarter]: At program point L183(line 183) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1 .cse2)) (or (and (= 1 ~waterLevel~0) .cse1 .cse2) .cse0 (not (= |old(~waterLevel~0)| 1))))) [2019-10-13 19:39:22,709 INFO L439 ceAbstractionStarter]: At program point L181(lines 181 187) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 0))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and (= 1 ~waterLevel~0) .cse1)) (or .cse0 (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1) (not (<= 2 |old(~waterLevel~0)|))))) [2019-10-13 19:39:22,709 INFO L439 ceAbstractionStarter]: At program point L176(line 176) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1))) (or .cse0 (not (<= 2 |old(~waterLevel~0)|))))) [2019-10-13 19:39:22,709 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 170 193) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 0))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and (= 1 ~waterLevel~0) .cse1)) (or .cse0 (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1) (not (<= 2 |old(~waterLevel~0)|))))) [2019-10-13 19:39:22,709 INFO L443 ceAbstractionStarter]: For program point L174(lines 173 192) no Hoare annotation was computed. [2019-10-13 19:39:22,709 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 170 193) no Hoare annotation was computed. [2019-10-13 19:39:22,709 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 170 193) no Hoare annotation was computed. [2019-10-13 19:39:22,710 INFO L443 ceAbstractionStarter]: For program point L801(line 801) no Hoare annotation was computed. [2019-10-13 19:39:22,710 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 780 809) no Hoare annotation was computed. [2019-10-13 19:39:22,710 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 780 809) the Hoare annotation is: true [2019-10-13 19:39:22,710 INFO L443 ceAbstractionStarter]: For program point L794(lines 794 798) no Hoare annotation was computed. [2019-10-13 19:39:22,710 INFO L446 ceAbstractionStarter]: At program point L794-1(lines 794 798) the Hoare annotation is: true [2019-10-13 19:39:22,710 INFO L443 ceAbstractionStarter]: For program point L791(line 791) no Hoare annotation was computed. [2019-10-13 19:39:22,710 INFO L446 ceAbstractionStarter]: At program point L790-2(lines 790 804) the Hoare annotation is: true [2019-10-13 19:39:22,711 INFO L446 ceAbstractionStarter]: At program point L786(line 786) the Hoare annotation is: true [2019-10-13 19:39:22,711 INFO L443 ceAbstractionStarter]: For program point L786-1(line 786) no Hoare annotation was computed. [2019-10-13 19:39:22,711 INFO L446 ceAbstractionStarter]: At program point L805(lines 780 809) the Hoare annotation is: true [2019-10-13 19:39:22,711 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 737 745) the Hoare annotation is: true [2019-10-13 19:39:22,711 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 737 745) no Hoare annotation was computed. [2019-10-13 19:39:22,711 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 737 745) no Hoare annotation was computed. [2019-10-13 19:39:22,711 INFO L443 ceAbstractionStarter]: For program point L705-1(lines 701 712) no Hoare annotation was computed. [2019-10-13 19:39:22,712 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 701 712) the Hoare annotation is: true [2019-10-13 19:39:22,712 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 701 712) no Hoare annotation was computed. [2019-10-13 19:39:22,712 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 834 840) no Hoare annotation was computed. [2019-10-13 19:39:22,712 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 834 840) the Hoare annotation is: true [2019-10-13 19:39:22,712 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 19:39:22,712 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-13 19:39:22,713 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 19:39:22,713 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 19:39:22,713 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 713 724) no Hoare annotation was computed. [2019-10-13 19:39:22,713 INFO L443 ceAbstractionStarter]: For program point L717-1(lines 713 724) no Hoare annotation was computed. [2019-10-13 19:39:22,713 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 713 724) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) (= 1 ~waterLevel~0)) (or (= ~waterLevel~0 |old(~waterLevel~0)|) .cse0 (not (<= 2 |old(~waterLevel~0)|))))) [2019-10-13 19:39:22,713 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 78 85) no Hoare annotation was computed. [2019-10-13 19:39:22,714 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 82) no Hoare annotation was computed. [2019-10-13 19:39:22,714 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 78 85) the Hoare annotation is: true [2019-10-13 19:39:22,714 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 78 85) no Hoare annotation was computed. [2019-10-13 19:39:22,729 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 07:39:22 BoogieIcfgContainer [2019-10-13 19:39:22,730 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 19:39:22,732 INFO L168 Benchmark]: Toolchain (without parser) took 31780.55 ms. Allocated memory was 137.9 MB in the beginning and 619.2 MB in the end (delta: 481.3 MB). Free memory was 101.5 MB in the beginning and 93.1 MB in the end (delta: 8.4 MB). Peak memory consumption was 490.5 MB. Max. memory is 7.1 GB. [2019-10-13 19:39:22,733 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 137.9 MB. Free memory was 121.2 MB in the beginning and 121.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-13 19:39:22,734 INFO L168 Benchmark]: CACSL2BoogieTranslator took 669.19 ms. Allocated memory was 137.9 MB in the beginning and 201.9 MB in the end (delta: 64.0 MB). Free memory was 101.0 MB in the beginning and 170.5 MB in the end (delta: -69.4 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. [2019-10-13 19:39:22,734 INFO L168 Benchmark]: Boogie Preprocessor took 101.80 ms. Allocated memory is still 201.9 MB. Free memory was 170.5 MB in the beginning and 166.4 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-10-13 19:39:22,735 INFO L168 Benchmark]: RCFGBuilder took 1114.64 ms. Allocated memory was 201.9 MB in the beginning and 234.4 MB in the end (delta: 32.5 MB). Free memory was 166.4 MB in the beginning and 199.8 MB in the end (delta: -33.4 MB). Peak memory consumption was 84.5 MB. Max. memory is 7.1 GB. [2019-10-13 19:39:22,736 INFO L168 Benchmark]: TraceAbstraction took 29890.00 ms. Allocated memory was 234.4 MB in the beginning and 619.2 MB in the end (delta: 384.8 MB). Free memory was 199.8 MB in the beginning and 93.1 MB in the end (delta: 106.7 MB). Peak memory consumption was 492.4 MB. Max. memory is 7.1 GB. [2019-10-13 19:39:22,741 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 137.9 MB. Free memory was 121.2 MB in the beginning and 121.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 669.19 ms. Allocated memory was 137.9 MB in the beginning and 201.9 MB in the end (delta: 64.0 MB). Free memory was 101.0 MB in the beginning and 170.5 MB in the end (delta: -69.4 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 101.80 ms. Allocated memory is still 201.9 MB. Free memory was 170.5 MB in the beginning and 166.4 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1114.64 ms. Allocated memory was 201.9 MB in the beginning and 234.4 MB in the end (delta: 32.5 MB). Free memory was 166.4 MB in the beginning and 199.8 MB in the end (delta: -33.4 MB). Peak memory consumption was 84.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 29890.00 ms. Allocated memory was 234.4 MB in the beginning and 619.2 MB in the end (delta: 384.8 MB). Free memory was 199.8 MB in the beginning and 93.1 MB in the end (delta: 106.7 MB). Peak memory consumption was 492.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 82]: 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: 101]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 102]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || ((0 == splverifierCounter && waterLevel == \old(waterLevel)) && pumpRunning == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || ((2 <= waterLevel && 0 == splverifierCounter) && pumpRunning == 0) - InvariantResult [Line: 790]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 780]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 217 locations, 1 error locations. Result: SAFE, OverallTime: 29.8s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 16.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.8s, HoareTripleCheckerStatistics: 562 SDtfs, 1065 SDslu, 675 SDs, 0 SdLazy, 3176 SolverSat, 705 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 272 GetRequests, 201 SyntacticMatches, 1 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 184 ImplicationChecksByTransitivity, 8.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=570occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 229 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 52 LocationsWithAnnotation, 618 PreInvPairs, 669 NumberOfFragments, 1002 HoareAnnotationTreeSize, 618 FomulaSimplifications, 68688 FormulaSimplificationTreeSizeReduction, 2.2s HoareSimplificationTime, 52 FomulaSimplificationsInter, 16168 FormulaSimplificationTreeSizeReductionInter, 6.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 438 NumberOfCodeBlocks, 438 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 431 ConstructedInterpolants, 0 QuantifiedInterpolants, 125709 SizeOfPredicates, 3 NumberOfNonLiveVariables, 750 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 43/46 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...