/usr/bin/java -ea -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_spec3_product15.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-46f3038-m [2020-07-08 11:14:28,765 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-08 11:14:28,767 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-08 11:14:28,782 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-08 11:14:28,782 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-08 11:14:28,784 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-08 11:14:28,785 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-08 11:14:28,787 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-08 11:14:28,788 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-08 11:14:28,789 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-08 11:14:28,790 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-08 11:14:28,791 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-08 11:14:28,791 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-08 11:14:28,792 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-08 11:14:28,793 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-08 11:14:28,794 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-08 11:14:28,795 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-08 11:14:28,796 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-08 11:14:28,798 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-08 11:14:28,800 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-08 11:14:28,801 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-08 11:14:28,802 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-08 11:14:28,803 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-08 11:14:28,804 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-08 11:14:28,806 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-08 11:14:28,806 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-08 11:14:28,807 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-08 11:14:28,808 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-08 11:14:28,808 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-08 11:14:28,809 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-08 11:14:28,809 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-08 11:14:28,810 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-08 11:14:28,811 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-08 11:14:28,811 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-08 11:14:28,813 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-08 11:14:28,813 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-08 11:14:28,813 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-08 11:14:28,814 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-08 11:14:28,814 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-08 11:14:28,815 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-08 11:14:28,816 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-08 11:14:28,816 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 [2020-07-08 11:14:28,831 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-08 11:14:28,831 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-08 11:14:28,832 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-08 11:14:28,832 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-08 11:14:28,833 INFO L138 SettingsManager]: * Use SBE=true [2020-07-08 11:14:28,833 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-08 11:14:28,833 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-08 11:14:28,833 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-08 11:14:28,834 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-08 11:14:28,834 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-08 11:14:28,834 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-08 11:14:28,834 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-08 11:14:28,834 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-08 11:14:28,834 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-08 11:14:28,835 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-08 11:14:28,835 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-08 11:14:28,835 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-08 11:14:28,835 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-08 11:14:28,835 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-08 11:14:28,836 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-08 11:14:28,836 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-08 11:14:28,836 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-08 11:14:28,836 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-08 11:14:28,837 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-08 11:14:28,837 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-08 11:14:28,837 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-08 11:14:28,837 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-08 11:14:28,837 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-08 11:14:28,837 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-08 11:14:28,838 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-08 11:14:29,137 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-08 11:14:29,148 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-08 11:14:29,153 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-08 11:14:29,154 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-08 11:14:29,154 INFO L275 PluginConnector]: CDTParser initialized [2020-07-08 11:14:29,155 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product15.cil.c [2020-07-08 11:14:29,233 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a324c12d/13548ac6a42648cca8dc35bc6f55b568/FLAGb2698040a [2020-07-08 11:14:29,738 INFO L306 CDTParser]: Found 1 translation units. [2020-07-08 11:14:29,739 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product15.cil.c [2020-07-08 11:14:29,752 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a324c12d/13548ac6a42648cca8dc35bc6f55b568/FLAGb2698040a [2020-07-08 11:14:30,083 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a324c12d/13548ac6a42648cca8dc35bc6f55b568 [2020-07-08 11:14:30,092 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-08 11:14:30,094 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-08 11:14:30,095 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-08 11:14:30,096 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-08 11:14:30,099 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-08 11:14:30,101 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 11:14:30" (1/1) ... [2020-07-08 11:14:30,104 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e156ff4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:14:30, skipping insertion in model container [2020-07-08 11:14:30,104 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 11:14:30" (1/1) ... [2020-07-08 11:14:30,111 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-08 11:14:30,170 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-08 11:14:30,596 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 11:14:30,610 INFO L203 MainTranslator]: Completed pre-run [2020-07-08 11:14:30,716 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 11:14:30,759 INFO L208 MainTranslator]: Completed translation [2020-07-08 11:14:30,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:14:30 WrapperNode [2020-07-08 11:14:30,759 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-08 11:14:30,760 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-08 11:14:30,760 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-08 11:14:30,761 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-08 11:14:30,775 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:14:30" (1/1) ... [2020-07-08 11:14:30,775 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:14:30" (1/1) ... [2020-07-08 11:14:30,794 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:14:30" (1/1) ... [2020-07-08 11:14:30,794 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:14:30" (1/1) ... [2020-07-08 11:14:30,844 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:14:30" (1/1) ... [2020-07-08 11:14:30,865 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:14:30" (1/1) ... [2020-07-08 11:14:30,872 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:14:30" (1/1) ... [2020-07-08 11:14:30,880 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-08 11:14:30,881 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-08 11:14:30,881 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-08 11:14:30,881 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-08 11:14:30,882 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:14:30" (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 [2020-07-08 11:14:30,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-08 11:14:30,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-08 11:14:30,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-08 11:14:30,944 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-08 11:14:30,944 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-07-08 11:14:30,944 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-08 11:14:30,944 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-07-08 11:14:30,944 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-08 11:14:30,944 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-08 11:14:30,945 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-08 11:14:30,945 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-08 11:14:30,945 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-08 11:14:30,945 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-08 11:14:30,945 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-08 11:14:30,945 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-08 11:14:30,946 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-08 11:14:30,946 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-08 11:14:30,946 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-08 11:14:30,946 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-08 11:14:30,946 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-08 11:14:30,946 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-08 11:14:30,947 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-08 11:14:30,947 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-08 11:14:30,947 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-08 11:14:30,947 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-08 11:14:30,947 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-08 11:14:30,947 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-08 11:14:30,947 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-08 11:14:30,948 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-08 11:14:30,948 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-08 11:14:30,948 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-08 11:14:30,948 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-07-08 11:14:30,948 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-08 11:14:30,948 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-08 11:14:30,949 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-08 11:14:30,949 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-08 11:14:30,949 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-08 11:14:30,949 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-08 11:14:30,949 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-08 11:14:30,949 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-08 11:14:30,950 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-08 11:14:30,950 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-08 11:14:30,950 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-08 11:14:30,950 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-08 11:14:30,950 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-08 11:14:30,950 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-08 11:14:30,950 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-08 11:14:30,950 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-08 11:14:30,950 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-08 11:14:30,951 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-07-08 11:14:30,951 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-08 11:14:30,951 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-07-08 11:14:30,951 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-08 11:14:30,951 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-07-08 11:14:30,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-08 11:14:30,951 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-08 11:14:30,951 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-08 11:14:30,952 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-08 11:14:30,952 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-08 11:14:30,952 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-08 11:14:30,952 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-08 11:14:30,952 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-08 11:14:30,952 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-08 11:14:30,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-08 11:14:30,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-08 11:14:30,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-08 11:14:30,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-08 11:14:30,953 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-08 11:14:30,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-08 11:14:30,953 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-08 11:14:30,953 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-08 11:14:30,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-08 11:14:30,953 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-08 11:14:30,954 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-08 11:14:30,954 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-08 11:14:30,954 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-08 11:14:30,954 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-08 11:14:30,954 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-08 11:14:30,954 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-08 11:14:30,954 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-08 11:14:30,955 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-08 11:14:30,955 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-08 11:14:30,955 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-08 11:14:30,955 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-08 11:14:30,955 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-08 11:14:30,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-08 11:14:30,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-08 11:14:30,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-08 11:14:32,548 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-08 11:14:32,549 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-08 11:14:32,554 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 11:14:32 BoogieIcfgContainer [2020-07-08 11:14:32,554 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-08 11:14:32,555 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-08 11:14:32,556 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-08 11:14:32,559 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-08 11:14:32,559 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.07 11:14:30" (1/3) ... [2020-07-08 11:14:32,560 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56d09b0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 11:14:32, skipping insertion in model container [2020-07-08 11:14:32,560 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:14:30" (2/3) ... [2020-07-08 11:14:32,561 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56d09b0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 11:14:32, skipping insertion in model container [2020-07-08 11:14:32,561 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 11:14:32" (3/3) ... [2020-07-08 11:14:32,563 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product15.cil.c [2020-07-08 11:14:32,575 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-08 11:14:32,585 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-08 11:14:32,601 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-08 11:14:32,630 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-08 11:14:32,630 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-08 11:14:32,631 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-08 11:14:32,631 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-08 11:14:32,631 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-08 11:14:32,632 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-08 11:14:32,632 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-08 11:14:32,632 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-08 11:14:32,659 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states. [2020-07-08 11:14:32,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-08 11:14:32,670 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 11:14:32,671 INFO L422 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] [2020-07-08 11:14:32,672 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 11:14:32,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 11:14:32,678 INFO L82 PathProgramCache]: Analyzing trace with hash -1150223249, now seen corresponding path program 1 times [2020-07-08 11:14:32,689 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-08 11:14:32,689 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966129100] [2020-07-08 11:14:32,690 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 11:14:32,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 11:14:33,442 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-08 11:14:33,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 11:14:33,545 INFO L280 TraceCheckUtils]: 0: Hoare triple {188#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string51.base| |old(#t~string51.base)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(110, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 2 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 3 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(80, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(117, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(109, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(112, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(32, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string18.base, #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 1 + #t~string18.offset, 1);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(30);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(21);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(30);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(9);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(21);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(30);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(9);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(25);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(25);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(13);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(77, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(101, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(116, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(104, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string63.base, #t~string63.offset, 1);call write~init~int(82, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(73, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(84, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 4 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(75, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; {165#true} is VALID [2020-07-08 11:14:33,546 INFO L280 TraceCheckUtils]: 1: Hoare triple {165#true} assume true; {165#true} is VALID [2020-07-08 11:14:33,547 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {165#true} {165#true} #498#return; {165#true} is VALID [2020-07-08 11:14:33,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 11:14:33,555 INFO L280 TraceCheckUtils]: 0: Hoare triple {165#true} assume true; {165#true} is VALID [2020-07-08 11:14:33,555 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {165#true} {165#true} #406#return; {165#true} is VALID [2020-07-08 11:14:33,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 11:14:33,560 INFO L280 TraceCheckUtils]: 0: Hoare triple {165#true} assume true; {165#true} is VALID [2020-07-08 11:14:33,561 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {165#true} {165#true} #408#return; {165#true} is VALID [2020-07-08 11:14:33,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 11:14:33,568 INFO L280 TraceCheckUtils]: 0: Hoare triple {165#true} havoc ~retValue_acc~9;~retValue_acc~9 := 1;#res := ~retValue_acc~9; {165#true} is VALID [2020-07-08 11:14:33,569 INFO L280 TraceCheckUtils]: 1: Hoare triple {165#true} assume true; {165#true} is VALID [2020-07-08 11:14:33,569 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {165#true} {165#true} #410#return; {165#true} is VALID [2020-07-08 11:14:33,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 11:14:33,573 INFO L280 TraceCheckUtils]: 0: Hoare triple {165#true} assume true; {165#true} is VALID [2020-07-08 11:14:33,574 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {165#true} {165#true} #412#return; {165#true} is VALID [2020-07-08 11:14:33,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 11:14:33,582 INFO L280 TraceCheckUtils]: 0: Hoare triple {165#true} havoc ~retValue_acc~5;~retValue_acc~5 := ~methaneLevelCritical~0;#res := ~retValue_acc~5; {165#true} is VALID [2020-07-08 11:14:33,583 INFO L280 TraceCheckUtils]: 1: Hoare triple {165#true} assume true; {165#true} is VALID [2020-07-08 11:14:33,583 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {165#true} {166#false} #490#return; {166#false} is VALID [2020-07-08 11:14:33,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 11:14:33,591 INFO L280 TraceCheckUtils]: 0: Hoare triple {165#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~waterLevel~0;#res := ~retValue_acc~6; {165#true} is VALID [2020-07-08 11:14:33,591 INFO L280 TraceCheckUtils]: 1: Hoare triple {165#true} assume true; {165#true} is VALID [2020-07-08 11:14:33,592 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {165#true} {166#false} #492#return; {166#false} is VALID [2020-07-08 11:14:33,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 11:14:33,596 INFO L280 TraceCheckUtils]: 0: Hoare triple {165#true} havoc ~retValue_acc~1;~retValue_acc~1 := ~pumpRunning~0;#res := ~retValue_acc~1; {165#true} is VALID [2020-07-08 11:14:33,596 INFO L280 TraceCheckUtils]: 1: Hoare triple {165#true} assume true; {165#true} is VALID [2020-07-08 11:14:33,597 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {165#true} {166#false} #494#return; {166#false} is VALID [2020-07-08 11:14:33,603 INFO L263 TraceCheckUtils]: 0: Hoare triple {165#true} call ULTIMATE.init(); {188#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string51.base| |old(#t~string51.base)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|))} is VALID [2020-07-08 11:14:33,604 INFO L280 TraceCheckUtils]: 1: Hoare triple {188#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string51.base| |old(#t~string51.base)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(110, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 2 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 3 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(80, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(117, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(109, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(112, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(32, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string18.base, #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 1 + #t~string18.offset, 1);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(30);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(21);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(30);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(9);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(21);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(30);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(9);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(25);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(25);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(13);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(77, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(101, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(116, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(104, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string63.base, #t~string63.offset, 1);call write~init~int(82, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(73, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(84, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 4 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(75, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; {165#true} is VALID [2020-07-08 11:14:33,604 INFO L280 TraceCheckUtils]: 2: Hoare triple {165#true} assume true; {165#true} is VALID [2020-07-08 11:14:33,605 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {165#true} {165#true} #498#return; {165#true} is VALID [2020-07-08 11:14:33,605 INFO L263 TraceCheckUtils]: 4: Hoare triple {165#true} call #t~ret73 := main(); {165#true} is VALID [2020-07-08 11:14:33,605 INFO L280 TraceCheckUtils]: 5: Hoare triple {165#true} havoc ~retValue_acc~7;havoc ~tmp~6; {165#true} is VALID [2020-07-08 11:14:33,606 INFO L263 TraceCheckUtils]: 6: Hoare triple {165#true} call select_helpers(); {165#true} is VALID [2020-07-08 11:14:33,606 INFO L280 TraceCheckUtils]: 7: Hoare triple {165#true} assume true; {165#true} is VALID [2020-07-08 11:14:33,606 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {165#true} {165#true} #406#return; {165#true} is VALID [2020-07-08 11:14:33,607 INFO L263 TraceCheckUtils]: 9: Hoare triple {165#true} call select_features(); {165#true} is VALID [2020-07-08 11:14:33,607 INFO L280 TraceCheckUtils]: 10: Hoare triple {165#true} assume true; {165#true} is VALID [2020-07-08 11:14:33,607 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {165#true} {165#true} #408#return; {165#true} is VALID [2020-07-08 11:14:33,608 INFO L263 TraceCheckUtils]: 12: Hoare triple {165#true} call #t~ret68 := valid_product(); {165#true} is VALID [2020-07-08 11:14:33,608 INFO L280 TraceCheckUtils]: 13: Hoare triple {165#true} havoc ~retValue_acc~9;~retValue_acc~9 := 1;#res := ~retValue_acc~9; {165#true} is VALID [2020-07-08 11:14:33,608 INFO L280 TraceCheckUtils]: 14: Hoare triple {165#true} assume true; {165#true} is VALID [2020-07-08 11:14:33,609 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {165#true} {165#true} #410#return; {165#true} is VALID [2020-07-08 11:14:33,609 INFO L280 TraceCheckUtils]: 16: Hoare triple {165#true} assume -2147483648 <= #t~ret68 && #t~ret68 <= 2147483647;~tmp~6 := #t~ret68;havoc #t~ret68; {165#true} is VALID [2020-07-08 11:14:33,609 INFO L280 TraceCheckUtils]: 17: Hoare triple {165#true} assume 0 != ~tmp~6; {165#true} is VALID [2020-07-08 11:14:33,610 INFO L263 TraceCheckUtils]: 18: Hoare triple {165#true} call setup(); {165#true} is VALID [2020-07-08 11:14:33,610 INFO L280 TraceCheckUtils]: 19: Hoare triple {165#true} assume true; {165#true} is VALID [2020-07-08 11:14:33,610 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {165#true} {165#true} #412#return; {165#true} is VALID [2020-07-08 11:14:33,611 INFO L263 TraceCheckUtils]: 21: Hoare triple {165#true} call runTest(); {165#true} is VALID [2020-07-08 11:14:33,611 INFO L263 TraceCheckUtils]: 22: Hoare triple {165#true} call test(); {165#true} is VALID [2020-07-08 11:14:33,611 INFO L280 TraceCheckUtils]: 23: Hoare triple {165#true} havoc ~splverifierCounter~0;havoc ~tmp~2;havoc ~tmp___0~0;havoc ~tmp___1~0;havoc ~tmp___2~0;~splverifierCounter~0 := 0; {165#true} is VALID [2020-07-08 11:14:33,612 INFO L280 TraceCheckUtils]: 24: Hoare triple {165#true} assume false; {166#false} is VALID [2020-07-08 11:14:33,613 INFO L263 TraceCheckUtils]: 25: Hoare triple {166#false} call cleanup(); {166#false} is VALID [2020-07-08 11:14:33,613 INFO L280 TraceCheckUtils]: 26: Hoare triple {166#false} havoc ~i~0;havoc ~__cil_tmp2~0; {166#false} is VALID [2020-07-08 11:14:33,613 INFO L263 TraceCheckUtils]: 27: Hoare triple {166#false} call timeShift(); {166#false} is VALID [2020-07-08 11:14:33,614 INFO L280 TraceCheckUtils]: 28: Hoare triple {166#false} assume !(0 != ~pumpRunning~0); {166#false} is VALID [2020-07-08 11:14:33,614 INFO L280 TraceCheckUtils]: 29: Hoare triple {166#false} assume !(0 != ~systemActive~0); {166#false} is VALID [2020-07-08 11:14:33,614 INFO L263 TraceCheckUtils]: 30: Hoare triple {166#false} call __utac_acc__Specification3_spec__1(); {166#false} is VALID [2020-07-08 11:14:33,615 INFO L280 TraceCheckUtils]: 31: Hoare triple {166#false} havoc ~tmp~7;havoc ~tmp___0~1;havoc ~tmp___1~1; {166#false} is VALID [2020-07-08 11:14:33,615 INFO L263 TraceCheckUtils]: 32: Hoare triple {166#false} call #t~ret69 := isMethaneLevelCritical(); {165#true} is VALID [2020-07-08 11:14:33,615 INFO L280 TraceCheckUtils]: 33: Hoare triple {165#true} havoc ~retValue_acc~5;~retValue_acc~5 := ~methaneLevelCritical~0;#res := ~retValue_acc~5; {165#true} is VALID [2020-07-08 11:14:33,616 INFO L280 TraceCheckUtils]: 34: Hoare triple {165#true} assume true; {165#true} is VALID [2020-07-08 11:14:33,616 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {165#true} {166#false} #490#return; {166#false} is VALID [2020-07-08 11:14:33,616 INFO L280 TraceCheckUtils]: 36: Hoare triple {166#false} assume -2147483648 <= #t~ret69 && #t~ret69 <= 2147483647;~tmp~7 := #t~ret69;havoc #t~ret69; {166#false} is VALID [2020-07-08 11:14:33,617 INFO L280 TraceCheckUtils]: 37: Hoare triple {166#false} assume !(0 != ~tmp~7); {166#false} is VALID [2020-07-08 11:14:33,617 INFO L263 TraceCheckUtils]: 38: Hoare triple {166#false} call #t~ret70 := getWaterLevel(); {165#true} is VALID [2020-07-08 11:14:33,617 INFO L280 TraceCheckUtils]: 39: Hoare triple {165#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~waterLevel~0;#res := ~retValue_acc~6; {165#true} is VALID [2020-07-08 11:14:33,618 INFO L280 TraceCheckUtils]: 40: Hoare triple {165#true} assume true; {165#true} is VALID [2020-07-08 11:14:33,618 INFO L275 TraceCheckUtils]: 41: Hoare quadruple {165#true} {166#false} #492#return; {166#false} is VALID [2020-07-08 11:14:33,618 INFO L280 TraceCheckUtils]: 42: Hoare triple {166#false} assume -2147483648 <= #t~ret70 && #t~ret70 <= 2147483647;~tmp___0~1 := #t~ret70;havoc #t~ret70; {166#false} is VALID [2020-07-08 11:14:33,619 INFO L280 TraceCheckUtils]: 43: Hoare triple {166#false} assume 2 == ~tmp___0~1; {166#false} is VALID [2020-07-08 11:14:33,619 INFO L263 TraceCheckUtils]: 44: Hoare triple {166#false} call #t~ret71 := isPumpRunning(); {165#true} is VALID [2020-07-08 11:14:33,619 INFO L280 TraceCheckUtils]: 45: Hoare triple {165#true} havoc ~retValue_acc~1;~retValue_acc~1 := ~pumpRunning~0;#res := ~retValue_acc~1; {165#true} is VALID [2020-07-08 11:14:33,620 INFO L280 TraceCheckUtils]: 46: Hoare triple {165#true} assume true; {165#true} is VALID [2020-07-08 11:14:33,620 INFO L275 TraceCheckUtils]: 47: Hoare quadruple {165#true} {166#false} #494#return; {166#false} is VALID [2020-07-08 11:14:33,620 INFO L280 TraceCheckUtils]: 48: Hoare triple {166#false} assume -2147483648 <= #t~ret71 && #t~ret71 <= 2147483647;~tmp___1~1 := #t~ret71;havoc #t~ret71; {166#false} is VALID [2020-07-08 11:14:33,621 INFO L280 TraceCheckUtils]: 49: Hoare triple {166#false} assume !(0 != ~tmp___1~1); {166#false} is VALID [2020-07-08 11:14:33,621 INFO L263 TraceCheckUtils]: 50: Hoare triple {166#false} call __automaton_fail(); {166#false} is VALID [2020-07-08 11:14:33,621 INFO L280 TraceCheckUtils]: 51: Hoare triple {166#false} assume !false; {166#false} is VALID [2020-07-08 11:14:33,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 11:14:33,630 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966129100] [2020-07-08 11:14:33,631 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 11:14:33,632 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-08 11:14:33,633 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940466898] [2020-07-08 11:14:33,639 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-08 11:14:33,642 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 11:14:33,646 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-08 11:14:33,736 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 52 edges. 52 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 11:14:33,736 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-08 11:14:33,736 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-08 11:14:33,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-08 11:14:33,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-08 11:14:33,748 INFO L87 Difference]: Start difference. First operand 162 states. Second operand 3 states. [2020-07-08 11:14:37,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 11:14:37,909 INFO L93 Difference]: Finished difference Result 263 states and 350 transitions. [2020-07-08 11:14:37,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-08 11:14:37,909 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-08 11:14:37,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 11:14:37,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-08 11:14:37,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 350 transitions. [2020-07-08 11:14:37,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-08 11:14:37,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 350 transitions. [2020-07-08 11:14:37,974 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 350 transitions. [2020-07-08 11:14:39,172 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 350 edges. 350 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 11:14:39,193 INFO L225 Difference]: With dead ends: 263 [2020-07-08 11:14:39,193 INFO L226 Difference]: Without dead ends: 143 [2020-07-08 11:14:39,198 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-08 11:14:39,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2020-07-08 11:14:40,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 111. [2020-07-08 11:14:40,407 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 11:14:40,408 INFO L82 GeneralOperation]: Start isEquivalent. First operand 143 states. Second operand 111 states. [2020-07-08 11:14:40,409 INFO L74 IsIncluded]: Start isIncluded. First operand 143 states. Second operand 111 states. [2020-07-08 11:14:40,409 INFO L87 Difference]: Start difference. First operand 143 states. Second operand 111 states. [2020-07-08 11:14:40,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 11:14:40,426 INFO L93 Difference]: Finished difference Result 143 states and 182 transitions. [2020-07-08 11:14:40,426 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 182 transitions. [2020-07-08 11:14:40,429 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 11:14:40,430 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 11:14:40,430 INFO L74 IsIncluded]: Start isIncluded. First operand 111 states. Second operand 143 states. [2020-07-08 11:14:40,430 INFO L87 Difference]: Start difference. First operand 111 states. Second operand 143 states. [2020-07-08 11:14:40,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 11:14:40,442 INFO L93 Difference]: Finished difference Result 143 states and 182 transitions. [2020-07-08 11:14:40,443 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 182 transitions. [2020-07-08 11:14:40,446 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 11:14:40,446 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 11:14:40,446 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 11:14:40,446 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 11:14:40,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-07-08 11:14:40,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 131 transitions. [2020-07-08 11:14:40,455 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 131 transitions. Word has length 52 [2020-07-08 11:14:40,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 11:14:40,456 INFO L479 AbstractCegarLoop]: Abstraction has 111 states and 131 transitions. [2020-07-08 11:14:40,456 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-08 11:14:40,456 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 131 transitions. [2020-07-08 11:14:40,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-07-08 11:14:40,459 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 11:14:40,459 INFO L422 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] [2020-07-08 11:14:40,459 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-08 11:14:40,460 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 11:14:40,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 11:14:40,460 INFO L82 PathProgramCache]: Analyzing trace with hash 780273255, now seen corresponding path program 1 times [2020-07-08 11:14:40,461 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-08 11:14:40,461 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722532047] [2020-07-08 11:14:40,463 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 11:14:40,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 11:14:40,863 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-08 11:14:40,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 11:14:40,937 INFO L280 TraceCheckUtils]: 0: Hoare triple {1029#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string51.base| |old(#t~string51.base)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(110, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 2 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 3 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(80, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(117, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(109, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(112, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(32, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string18.base, #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 1 + #t~string18.offset, 1);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(30);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(21);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(30);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(9);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(21);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(30);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(9);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(25);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(25);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(13);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(77, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(101, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(116, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(104, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string63.base, #t~string63.offset, 1);call write~init~int(82, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(73, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(84, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 4 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(75, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; {1005#true} is VALID [2020-07-08 11:14:40,938 INFO L280 TraceCheckUtils]: 1: Hoare triple {1005#true} assume true; {1005#true} is VALID [2020-07-08 11:14:40,938 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1005#true} {1005#true} #498#return; {1005#true} is VALID [2020-07-08 11:14:40,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 11:14:40,942 INFO L280 TraceCheckUtils]: 0: Hoare triple {1005#true} assume true; {1005#true} is VALID [2020-07-08 11:14:40,943 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1005#true} {1005#true} #406#return; {1005#true} is VALID [2020-07-08 11:14:40,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 11:14:40,946 INFO L280 TraceCheckUtils]: 0: Hoare triple {1005#true} assume true; {1005#true} is VALID [2020-07-08 11:14:40,947 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1005#true} {1005#true} #408#return; {1005#true} is VALID [2020-07-08 11:14:40,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 11:14:40,953 INFO L280 TraceCheckUtils]: 0: Hoare triple {1005#true} havoc ~retValue_acc~9;~retValue_acc~9 := 1;#res := ~retValue_acc~9; {1005#true} is VALID [2020-07-08 11:14:40,953 INFO L280 TraceCheckUtils]: 1: Hoare triple {1005#true} assume true; {1005#true} is VALID [2020-07-08 11:14:40,953 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1005#true} {1005#true} #410#return; {1005#true} is VALID [2020-07-08 11:14:40,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 11:14:40,957 INFO L280 TraceCheckUtils]: 0: Hoare triple {1005#true} assume true; {1005#true} is VALID [2020-07-08 11:14:40,957 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1005#true} {1005#true} #412#return; {1005#true} is VALID [2020-07-08 11:14:40,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 11:14:40,963 INFO L280 TraceCheckUtils]: 0: Hoare triple {1005#true} havoc ~retValue_acc~5;~retValue_acc~5 := ~methaneLevelCritical~0;#res := ~retValue_acc~5; {1005#true} is VALID [2020-07-08 11:14:40,963 INFO L280 TraceCheckUtils]: 1: Hoare triple {1005#true} assume true; {1005#true} is VALID [2020-07-08 11:14:40,963 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1005#true} {1006#false} #490#return; {1006#false} is VALID [2020-07-08 11:14:40,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 11:14:40,967 INFO L280 TraceCheckUtils]: 0: Hoare triple {1005#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~waterLevel~0;#res := ~retValue_acc~6; {1005#true} is VALID [2020-07-08 11:14:40,967 INFO L280 TraceCheckUtils]: 1: Hoare triple {1005#true} assume true; {1005#true} is VALID [2020-07-08 11:14:40,967 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1005#true} {1006#false} #492#return; {1006#false} is VALID [2020-07-08 11:14:40,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 11:14:40,971 INFO L280 TraceCheckUtils]: 0: Hoare triple {1005#true} havoc ~retValue_acc~1;~retValue_acc~1 := ~pumpRunning~0;#res := ~retValue_acc~1; {1005#true} is VALID [2020-07-08 11:14:40,971 INFO L280 TraceCheckUtils]: 1: Hoare triple {1005#true} assume true; {1005#true} is VALID [2020-07-08 11:14:40,971 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1005#true} {1006#false} #494#return; {1006#false} is VALID [2020-07-08 11:14:40,976 INFO L263 TraceCheckUtils]: 0: Hoare triple {1005#true} call ULTIMATE.init(); {1029#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string51.base| |old(#t~string51.base)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|))} is VALID [2020-07-08 11:14:40,976 INFO L280 TraceCheckUtils]: 1: Hoare triple {1029#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string51.base| |old(#t~string51.base)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(110, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 2 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 3 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(80, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(117, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(109, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(112, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(32, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string18.base, #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 1 + #t~string18.offset, 1);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(30);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(21);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(30);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(9);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(21);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(30);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(9);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(25);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(25);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(13);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(77, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(101, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(116, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(104, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string63.base, #t~string63.offset, 1);call write~init~int(82, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(73, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(84, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 4 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(75, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; {1005#true} is VALID [2020-07-08 11:14:40,977 INFO L280 TraceCheckUtils]: 2: Hoare triple {1005#true} assume true; {1005#true} is VALID [2020-07-08 11:14:40,977 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {1005#true} {1005#true} #498#return; {1005#true} is VALID [2020-07-08 11:14:40,977 INFO L263 TraceCheckUtils]: 4: Hoare triple {1005#true} call #t~ret73 := main(); {1005#true} is VALID [2020-07-08 11:14:40,978 INFO L280 TraceCheckUtils]: 5: Hoare triple {1005#true} havoc ~retValue_acc~7;havoc ~tmp~6; {1005#true} is VALID [2020-07-08 11:14:40,978 INFO L263 TraceCheckUtils]: 6: Hoare triple {1005#true} call select_helpers(); {1005#true} is VALID [2020-07-08 11:14:40,978 INFO L280 TraceCheckUtils]: 7: Hoare triple {1005#true} assume true; {1005#true} is VALID [2020-07-08 11:14:40,978 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {1005#true} {1005#true} #406#return; {1005#true} is VALID [2020-07-08 11:14:40,979 INFO L263 TraceCheckUtils]: 9: Hoare triple {1005#true} call select_features(); {1005#true} is VALID [2020-07-08 11:14:40,979 INFO L280 TraceCheckUtils]: 10: Hoare triple {1005#true} assume true; {1005#true} is VALID [2020-07-08 11:14:40,979 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {1005#true} {1005#true} #408#return; {1005#true} is VALID [2020-07-08 11:14:40,979 INFO L263 TraceCheckUtils]: 12: Hoare triple {1005#true} call #t~ret68 := valid_product(); {1005#true} is VALID [2020-07-08 11:14:40,980 INFO L280 TraceCheckUtils]: 13: Hoare triple {1005#true} havoc ~retValue_acc~9;~retValue_acc~9 := 1;#res := ~retValue_acc~9; {1005#true} is VALID [2020-07-08 11:14:40,980 INFO L280 TraceCheckUtils]: 14: Hoare triple {1005#true} assume true; {1005#true} is VALID [2020-07-08 11:14:40,980 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {1005#true} {1005#true} #410#return; {1005#true} is VALID [2020-07-08 11:14:40,981 INFO L280 TraceCheckUtils]: 16: Hoare triple {1005#true} assume -2147483648 <= #t~ret68 && #t~ret68 <= 2147483647;~tmp~6 := #t~ret68;havoc #t~ret68; {1005#true} is VALID [2020-07-08 11:14:40,981 INFO L280 TraceCheckUtils]: 17: Hoare triple {1005#true} assume 0 != ~tmp~6; {1005#true} is VALID [2020-07-08 11:14:40,981 INFO L263 TraceCheckUtils]: 18: Hoare triple {1005#true} call setup(); {1005#true} is VALID [2020-07-08 11:14:40,981 INFO L280 TraceCheckUtils]: 19: Hoare triple {1005#true} assume true; {1005#true} is VALID [2020-07-08 11:14:40,982 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {1005#true} {1005#true} #412#return; {1005#true} is VALID [2020-07-08 11:14:40,982 INFO L263 TraceCheckUtils]: 21: Hoare triple {1005#true} call runTest(); {1005#true} is VALID [2020-07-08 11:14:40,982 INFO L263 TraceCheckUtils]: 22: Hoare triple {1005#true} call test(); {1005#true} is VALID [2020-07-08 11:14:40,983 INFO L280 TraceCheckUtils]: 23: Hoare triple {1005#true} havoc ~splverifierCounter~0;havoc ~tmp~2;havoc ~tmp___0~0;havoc ~tmp___1~0;havoc ~tmp___2~0;~splverifierCounter~0 := 0; {1019#(= 0 test_~splverifierCounter~0)} is VALID [2020-07-08 11:14:40,984 INFO L280 TraceCheckUtils]: 24: Hoare triple {1019#(= 0 test_~splverifierCounter~0)} assume !false; {1019#(= 0 test_~splverifierCounter~0)} is VALID [2020-07-08 11:14:40,985 INFO L280 TraceCheckUtils]: 25: Hoare triple {1019#(= 0 test_~splverifierCounter~0)} assume !(~splverifierCounter~0 < 4); {1006#false} is VALID [2020-07-08 11:14:40,985 INFO L263 TraceCheckUtils]: 26: Hoare triple {1006#false} call cleanup(); {1006#false} is VALID [2020-07-08 11:14:40,985 INFO L280 TraceCheckUtils]: 27: Hoare triple {1006#false} havoc ~i~0;havoc ~__cil_tmp2~0; {1006#false} is VALID [2020-07-08 11:14:40,985 INFO L263 TraceCheckUtils]: 28: Hoare triple {1006#false} call timeShift(); {1006#false} is VALID [2020-07-08 11:14:40,986 INFO L280 TraceCheckUtils]: 29: Hoare triple {1006#false} assume !(0 != ~pumpRunning~0); {1006#false} is VALID [2020-07-08 11:14:40,986 INFO L280 TraceCheckUtils]: 30: Hoare triple {1006#false} assume !(0 != ~systemActive~0); {1006#false} is VALID [2020-07-08 11:14:40,986 INFO L263 TraceCheckUtils]: 31: Hoare triple {1006#false} call __utac_acc__Specification3_spec__1(); {1006#false} is VALID [2020-07-08 11:14:40,987 INFO L280 TraceCheckUtils]: 32: Hoare triple {1006#false} havoc ~tmp~7;havoc ~tmp___0~1;havoc ~tmp___1~1; {1006#false} is VALID [2020-07-08 11:14:40,987 INFO L263 TraceCheckUtils]: 33: Hoare triple {1006#false} call #t~ret69 := isMethaneLevelCritical(); {1005#true} is VALID [2020-07-08 11:14:40,987 INFO L280 TraceCheckUtils]: 34: Hoare triple {1005#true} havoc ~retValue_acc~5;~retValue_acc~5 := ~methaneLevelCritical~0;#res := ~retValue_acc~5; {1005#true} is VALID [2020-07-08 11:14:40,987 INFO L280 TraceCheckUtils]: 35: Hoare triple {1005#true} assume true; {1005#true} is VALID [2020-07-08 11:14:40,988 INFO L275 TraceCheckUtils]: 36: Hoare quadruple {1005#true} {1006#false} #490#return; {1006#false} is VALID [2020-07-08 11:14:40,988 INFO L280 TraceCheckUtils]: 37: Hoare triple {1006#false} assume -2147483648 <= #t~ret69 && #t~ret69 <= 2147483647;~tmp~7 := #t~ret69;havoc #t~ret69; {1006#false} is VALID [2020-07-08 11:14:40,988 INFO L280 TraceCheckUtils]: 38: Hoare triple {1006#false} assume !(0 != ~tmp~7); {1006#false} is VALID [2020-07-08 11:14:40,989 INFO L263 TraceCheckUtils]: 39: Hoare triple {1006#false} call #t~ret70 := getWaterLevel(); {1005#true} is VALID [2020-07-08 11:14:40,989 INFO L280 TraceCheckUtils]: 40: Hoare triple {1005#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~waterLevel~0;#res := ~retValue_acc~6; {1005#true} is VALID [2020-07-08 11:14:40,989 INFO L280 TraceCheckUtils]: 41: Hoare triple {1005#true} assume true; {1005#true} is VALID [2020-07-08 11:14:40,989 INFO L275 TraceCheckUtils]: 42: Hoare quadruple {1005#true} {1006#false} #492#return; {1006#false} is VALID [2020-07-08 11:14:40,990 INFO L280 TraceCheckUtils]: 43: Hoare triple {1006#false} assume -2147483648 <= #t~ret70 && #t~ret70 <= 2147483647;~tmp___0~1 := #t~ret70;havoc #t~ret70; {1006#false} is VALID [2020-07-08 11:14:40,990 INFO L280 TraceCheckUtils]: 44: Hoare triple {1006#false} assume 2 == ~tmp___0~1; {1006#false} is VALID [2020-07-08 11:14:40,990 INFO L263 TraceCheckUtils]: 45: Hoare triple {1006#false} call #t~ret71 := isPumpRunning(); {1005#true} is VALID [2020-07-08 11:14:40,990 INFO L280 TraceCheckUtils]: 46: Hoare triple {1005#true} havoc ~retValue_acc~1;~retValue_acc~1 := ~pumpRunning~0;#res := ~retValue_acc~1; {1005#true} is VALID [2020-07-08 11:14:40,991 INFO L280 TraceCheckUtils]: 47: Hoare triple {1005#true} assume true; {1005#true} is VALID [2020-07-08 11:14:40,991 INFO L275 TraceCheckUtils]: 48: Hoare quadruple {1005#true} {1006#false} #494#return; {1006#false} is VALID [2020-07-08 11:14:40,991 INFO L280 TraceCheckUtils]: 49: Hoare triple {1006#false} assume -2147483648 <= #t~ret71 && #t~ret71 <= 2147483647;~tmp___1~1 := #t~ret71;havoc #t~ret71; {1006#false} is VALID [2020-07-08 11:14:40,992 INFO L280 TraceCheckUtils]: 50: Hoare triple {1006#false} assume !(0 != ~tmp___1~1); {1006#false} is VALID [2020-07-08 11:14:40,992 INFO L263 TraceCheckUtils]: 51: Hoare triple {1006#false} call __automaton_fail(); {1006#false} is VALID [2020-07-08 11:14:40,992 INFO L280 TraceCheckUtils]: 52: Hoare triple {1006#false} assume !false; {1006#false} is VALID [2020-07-08 11:14:40,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 11:14:40,999 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722532047] [2020-07-08 11:14:40,999 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 11:14:40,999 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-08 11:14:40,999 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632327275] [2020-07-08 11:14:41,001 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2020-07-08 11:14:41,002 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 11:14:41,002 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-08 11:14:41,089 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 53 edges. 53 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 11:14:41,089 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-08 11:14:41,090 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-08 11:14:41,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-08 11:14:41,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-08 11:14:41,091 INFO L87 Difference]: Start difference. First operand 111 states and 131 transitions. Second operand 4 states. [2020-07-08 11:14:42,369 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-08 11:14:45,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 11:14:45,471 INFO L93 Difference]: Finished difference Result 190 states and 233 transitions. [2020-07-08 11:14:45,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-08 11:14:45,472 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2020-07-08 11:14:45,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 11:14:45,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-08 11:14:45,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 233 transitions. [2020-07-08 11:14:45,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-08 11:14:45,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 233 transitions. [2020-07-08 11:14:45,486 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 233 transitions. [2020-07-08 11:14:46,402 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 233 edges. 233 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 11:14:46,408 INFO L225 Difference]: With dead ends: 190 [2020-07-08 11:14:46,408 INFO L226 Difference]: Without dead ends: 127 [2020-07-08 11:14:46,409 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-08 11:14:46,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2020-07-08 11:14:47,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 102. [2020-07-08 11:14:47,565 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 11:14:47,565 INFO L82 GeneralOperation]: Start isEquivalent. First operand 127 states. Second operand 102 states. [2020-07-08 11:14:47,566 INFO L74 IsIncluded]: Start isIncluded. First operand 127 states. Second operand 102 states. [2020-07-08 11:14:47,566 INFO L87 Difference]: Start difference. First operand 127 states. Second operand 102 states. [2020-07-08 11:14:47,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 11:14:47,574 INFO L93 Difference]: Finished difference Result 127 states and 158 transitions. [2020-07-08 11:14:47,575 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 158 transitions. [2020-07-08 11:14:47,576 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 11:14:47,576 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 11:14:47,576 INFO L74 IsIncluded]: Start isIncluded. First operand 102 states. Second operand 127 states. [2020-07-08 11:14:47,577 INFO L87 Difference]: Start difference. First operand 102 states. Second operand 127 states. [2020-07-08 11:14:47,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 11:14:47,584 INFO L93 Difference]: Finished difference Result 127 states and 158 transitions. [2020-07-08 11:14:47,585 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 158 transitions. [2020-07-08 11:14:47,586 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 11:14:47,586 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 11:14:47,586 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 11:14:47,586 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 11:14:47,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2020-07-08 11:14:47,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 119 transitions. [2020-07-08 11:14:47,591 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 119 transitions. Word has length 53 [2020-07-08 11:14:47,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 11:14:47,592 INFO L479 AbstractCegarLoop]: Abstraction has 102 states and 119 transitions. [2020-07-08 11:14:47,592 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-08 11:14:47,592 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 119 transitions. [2020-07-08 11:14:47,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-08 11:14:47,594 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 11:14:47,594 INFO L422 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] [2020-07-08 11:14:47,594 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-08 11:14:47,594 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 11:14:47,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 11:14:47,595 INFO L82 PathProgramCache]: Analyzing trace with hash 1294233432, now seen corresponding path program 1 times [2020-07-08 11:14:47,595 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-08 11:14:47,595 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603997824] [2020-07-08 11:14:47,595 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 11:14:47,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 11:14:48,077 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-08 11:14:48,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 11:14:48,157 INFO L280 TraceCheckUtils]: 0: Hoare triple {1736#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string51.base| |old(#t~string51.base)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(110, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 2 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 3 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(80, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(117, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(109, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(112, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(32, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string18.base, #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 1 + #t~string18.offset, 1);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(30);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(21);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(30);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(9);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(21);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(30);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(9);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(25);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(25);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(13);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(77, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(101, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(116, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(104, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string63.base, #t~string63.offset, 1);call write~init~int(82, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(73, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(84, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 4 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(75, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; {1714#(= 1 ~systemActive~0)} is VALID [2020-07-08 11:14:48,158 INFO L280 TraceCheckUtils]: 1: Hoare triple {1714#(= 1 ~systemActive~0)} assume true; {1714#(= 1 ~systemActive~0)} is VALID [2020-07-08 11:14:48,159 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1714#(= 1 ~systemActive~0)} {1709#true} #498#return; {1714#(= 1 ~systemActive~0)} is VALID [2020-07-08 11:14:48,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 11:14:48,164 INFO L280 TraceCheckUtils]: 0: Hoare triple {1709#true} assume true; {1709#true} is VALID [2020-07-08 11:14:48,165 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1709#true} {1714#(= 1 ~systemActive~0)} #406#return; {1714#(= 1 ~systemActive~0)} is VALID [2020-07-08 11:14:48,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 11:14:48,175 INFO L280 TraceCheckUtils]: 0: Hoare triple {1709#true} assume true; {1709#true} is VALID [2020-07-08 11:14:48,175 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1709#true} {1714#(= 1 ~systemActive~0)} #408#return; {1714#(= 1 ~systemActive~0)} is VALID [2020-07-08 11:14:48,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 11:14:48,197 INFO L280 TraceCheckUtils]: 0: Hoare triple {1709#true} havoc ~retValue_acc~9;~retValue_acc~9 := 1;#res := ~retValue_acc~9; {1737#(= 1 |valid_product_#res|)} is VALID [2020-07-08 11:14:48,198 INFO L280 TraceCheckUtils]: 1: Hoare triple {1737#(= 1 |valid_product_#res|)} assume true; {1737#(= 1 |valid_product_#res|)} is VALID [2020-07-08 11:14:48,199 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1737#(= 1 |valid_product_#res|)} {1714#(= 1 ~systemActive~0)} #410#return; {1722#(= |main_#t~ret68| ~systemActive~0)} is VALID [2020-07-08 11:14:48,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 11:14:48,203 INFO L280 TraceCheckUtils]: 0: Hoare triple {1709#true} assume true; {1709#true} is VALID [2020-07-08 11:14:48,204 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1709#true} {1724#(not (= 0 ~systemActive~0))} #412#return; {1724#(not (= 0 ~systemActive~0))} is VALID [2020-07-08 11:14:48,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 11:14:48,207 INFO L280 TraceCheckUtils]: 0: Hoare triple {1709#true} havoc ~retValue_acc~5;~retValue_acc~5 := ~methaneLevelCritical~0;#res := ~retValue_acc~5; {1709#true} is VALID [2020-07-08 11:14:48,207 INFO L280 TraceCheckUtils]: 1: Hoare triple {1709#true} assume true; {1709#true} is VALID [2020-07-08 11:14:48,207 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1709#true} {1710#false} #490#return; {1710#false} is VALID [2020-07-08 11:14:48,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 11:14:48,211 INFO L280 TraceCheckUtils]: 0: Hoare triple {1709#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~waterLevel~0;#res := ~retValue_acc~6; {1709#true} is VALID [2020-07-08 11:14:48,211 INFO L280 TraceCheckUtils]: 1: Hoare triple {1709#true} assume true; {1709#true} is VALID [2020-07-08 11:14:48,212 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1709#true} {1710#false} #492#return; {1710#false} is VALID [2020-07-08 11:14:48,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 11:14:48,215 INFO L280 TraceCheckUtils]: 0: Hoare triple {1709#true} havoc ~retValue_acc~1;~retValue_acc~1 := ~pumpRunning~0;#res := ~retValue_acc~1; {1709#true} is VALID [2020-07-08 11:14:48,215 INFO L280 TraceCheckUtils]: 1: Hoare triple {1709#true} assume true; {1709#true} is VALID [2020-07-08 11:14:48,216 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1709#true} {1710#false} #494#return; {1710#false} is VALID [2020-07-08 11:14:48,220 INFO L263 TraceCheckUtils]: 0: Hoare triple {1709#true} call ULTIMATE.init(); {1736#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string51.base| |old(#t~string51.base)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|))} is VALID [2020-07-08 11:14:48,228 INFO L280 TraceCheckUtils]: 1: Hoare triple {1736#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string51.base| |old(#t~string51.base)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(110, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 2 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 3 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(80, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(117, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(109, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(112, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(32, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string18.base, #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 1 + #t~string18.offset, 1);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(30);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(21);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(30);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(9);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(21);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(30);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(9);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(25);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(25);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(13);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(77, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(101, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(116, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(104, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string63.base, #t~string63.offset, 1);call write~init~int(82, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(73, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(84, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 4 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(75, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; {1714#(= 1 ~systemActive~0)} is VALID [2020-07-08 11:14:48,229 INFO L280 TraceCheckUtils]: 2: Hoare triple {1714#(= 1 ~systemActive~0)} assume true; {1714#(= 1 ~systemActive~0)} is VALID [2020-07-08 11:14:48,229 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {1714#(= 1 ~systemActive~0)} {1709#true} #498#return; {1714#(= 1 ~systemActive~0)} is VALID [2020-07-08 11:14:48,230 INFO L263 TraceCheckUtils]: 4: Hoare triple {1714#(= 1 ~systemActive~0)} call #t~ret73 := main(); {1714#(= 1 ~systemActive~0)} is VALID [2020-07-08 11:14:48,231 INFO L280 TraceCheckUtils]: 5: Hoare triple {1714#(= 1 ~systemActive~0)} havoc ~retValue_acc~7;havoc ~tmp~6; {1714#(= 1 ~systemActive~0)} is VALID [2020-07-08 11:14:48,231 INFO L263 TraceCheckUtils]: 6: Hoare triple {1714#(= 1 ~systemActive~0)} call select_helpers(); {1709#true} is VALID [2020-07-08 11:14:48,231 INFO L280 TraceCheckUtils]: 7: Hoare triple {1709#true} assume true; {1709#true} is VALID [2020-07-08 11:14:48,232 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {1709#true} {1714#(= 1 ~systemActive~0)} #406#return; {1714#(= 1 ~systemActive~0)} is VALID [2020-07-08 11:14:48,232 INFO L263 TraceCheckUtils]: 9: Hoare triple {1714#(= 1 ~systemActive~0)} call select_features(); {1709#true} is VALID [2020-07-08 11:14:48,233 INFO L280 TraceCheckUtils]: 10: Hoare triple {1709#true} assume true; {1709#true} is VALID [2020-07-08 11:14:48,233 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {1709#true} {1714#(= 1 ~systemActive~0)} #408#return; {1714#(= 1 ~systemActive~0)} is VALID [2020-07-08 11:14:48,233 INFO L263 TraceCheckUtils]: 12: Hoare triple {1714#(= 1 ~systemActive~0)} call #t~ret68 := valid_product(); {1709#true} is VALID [2020-07-08 11:14:48,234 INFO L280 TraceCheckUtils]: 13: Hoare triple {1709#true} havoc ~retValue_acc~9;~retValue_acc~9 := 1;#res := ~retValue_acc~9; {1737#(= 1 |valid_product_#res|)} is VALID [2020-07-08 11:14:48,235 INFO L280 TraceCheckUtils]: 14: Hoare triple {1737#(= 1 |valid_product_#res|)} assume true; {1737#(= 1 |valid_product_#res|)} is VALID [2020-07-08 11:14:48,236 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {1737#(= 1 |valid_product_#res|)} {1714#(= 1 ~systemActive~0)} #410#return; {1722#(= |main_#t~ret68| ~systemActive~0)} is VALID [2020-07-08 11:14:48,237 INFO L280 TraceCheckUtils]: 16: Hoare triple {1722#(= |main_#t~ret68| ~systemActive~0)} assume -2147483648 <= #t~ret68 && #t~ret68 <= 2147483647;~tmp~6 := #t~ret68;havoc #t~ret68; {1723#(= main_~tmp~6 ~systemActive~0)} is VALID [2020-07-08 11:14:48,237 INFO L280 TraceCheckUtils]: 17: Hoare triple {1723#(= main_~tmp~6 ~systemActive~0)} assume 0 != ~tmp~6; {1724#(not (= 0 ~systemActive~0))} is VALID [2020-07-08 11:14:48,238 INFO L263 TraceCheckUtils]: 18: Hoare triple {1724#(not (= 0 ~systemActive~0))} call setup(); {1709#true} is VALID [2020-07-08 11:14:48,238 INFO L280 TraceCheckUtils]: 19: Hoare triple {1709#true} assume true; {1709#true} is VALID [2020-07-08 11:14:48,239 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {1709#true} {1724#(not (= 0 ~systemActive~0))} #412#return; {1724#(not (= 0 ~systemActive~0))} is VALID [2020-07-08 11:14:48,239 INFO L263 TraceCheckUtils]: 21: Hoare triple {1724#(not (= 0 ~systemActive~0))} call runTest(); {1724#(not (= 0 ~systemActive~0))} is VALID [2020-07-08 11:14:48,240 INFO L263 TraceCheckUtils]: 22: Hoare triple {1724#(not (= 0 ~systemActive~0))} call test(); {1724#(not (= 0 ~systemActive~0))} is VALID [2020-07-08 11:14:48,241 INFO L280 TraceCheckUtils]: 23: Hoare triple {1724#(not (= 0 ~systemActive~0))} havoc ~splverifierCounter~0;havoc ~tmp~2;havoc ~tmp___0~0;havoc ~tmp___1~0;havoc ~tmp___2~0;~splverifierCounter~0 := 0; {1724#(not (= 0 ~systemActive~0))} is VALID [2020-07-08 11:14:48,241 INFO L280 TraceCheckUtils]: 24: Hoare triple {1724#(not (= 0 ~systemActive~0))} assume !false; {1724#(not (= 0 ~systemActive~0))} is VALID [2020-07-08 11:14:48,244 INFO L280 TraceCheckUtils]: 25: Hoare triple {1724#(not (= 0 ~systemActive~0))} assume ~splverifierCounter~0 < 4; {1724#(not (= 0 ~systemActive~0))} is VALID [2020-07-08 11:14:48,252 INFO L280 TraceCheckUtils]: 26: Hoare triple {1724#(not (= 0 ~systemActive~0))} assume -2147483648 <= #t~nondet19 && #t~nondet19 <= 2147483647;~tmp~2 := #t~nondet19;havoc #t~nondet19; {1724#(not (= 0 ~systemActive~0))} is VALID [2020-07-08 11:14:48,252 INFO L280 TraceCheckUtils]: 27: Hoare triple {1724#(not (= 0 ~systemActive~0))} assume !(0 != ~tmp~2); {1724#(not (= 0 ~systemActive~0))} is VALID [2020-07-08 11:14:48,254 INFO L280 TraceCheckUtils]: 28: Hoare triple {1724#(not (= 0 ~systemActive~0))} assume -2147483648 <= #t~nondet20 && #t~nondet20 <= 2147483647;~tmp___0~0 := #t~nondet20;havoc #t~nondet20; {1724#(not (= 0 ~systemActive~0))} is VALID [2020-07-08 11:14:48,254 INFO L280 TraceCheckUtils]: 29: Hoare triple {1724#(not (= 0 ~systemActive~0))} assume !(0 != ~tmp___0~0); {1724#(not (= 0 ~systemActive~0))} is VALID [2020-07-08 11:14:48,255 INFO L280 TraceCheckUtils]: 30: Hoare triple {1724#(not (= 0 ~systemActive~0))} assume -2147483648 <= #t~nondet21 && #t~nondet21 <= 2147483647;~tmp___2~0 := #t~nondet21;havoc #t~nondet21; {1724#(not (= 0 ~systemActive~0))} is VALID [2020-07-08 11:14:48,256 INFO L280 TraceCheckUtils]: 31: Hoare triple {1724#(not (= 0 ~systemActive~0))} assume 0 != ~tmp___2~0; {1724#(not (= 0 ~systemActive~0))} is VALID [2020-07-08 11:14:48,256 INFO L263 TraceCheckUtils]: 32: Hoare triple {1724#(not (= 0 ~systemActive~0))} call timeShift(); {1724#(not (= 0 ~systemActive~0))} is VALID [2020-07-08 11:14:48,257 INFO L280 TraceCheckUtils]: 33: Hoare triple {1724#(not (= 0 ~systemActive~0))} assume !(0 != ~pumpRunning~0); {1724#(not (= 0 ~systemActive~0))} is VALID [2020-07-08 11:14:48,257 INFO L280 TraceCheckUtils]: 34: Hoare triple {1724#(not (= 0 ~systemActive~0))} assume !(0 != ~systemActive~0); {1710#false} is VALID [2020-07-08 11:14:48,258 INFO L263 TraceCheckUtils]: 35: Hoare triple {1710#false} call __utac_acc__Specification3_spec__1(); {1710#false} is VALID [2020-07-08 11:14:48,258 INFO L280 TraceCheckUtils]: 36: Hoare triple {1710#false} havoc ~tmp~7;havoc ~tmp___0~1;havoc ~tmp___1~1; {1710#false} is VALID [2020-07-08 11:14:48,258 INFO L263 TraceCheckUtils]: 37: Hoare triple {1710#false} call #t~ret69 := isMethaneLevelCritical(); {1709#true} is VALID [2020-07-08 11:14:48,258 INFO L280 TraceCheckUtils]: 38: Hoare triple {1709#true} havoc ~retValue_acc~5;~retValue_acc~5 := ~methaneLevelCritical~0;#res := ~retValue_acc~5; {1709#true} is VALID [2020-07-08 11:14:48,259 INFO L280 TraceCheckUtils]: 39: Hoare triple {1709#true} assume true; {1709#true} is VALID [2020-07-08 11:14:48,259 INFO L275 TraceCheckUtils]: 40: Hoare quadruple {1709#true} {1710#false} #490#return; {1710#false} is VALID [2020-07-08 11:14:48,259 INFO L280 TraceCheckUtils]: 41: Hoare triple {1710#false} assume -2147483648 <= #t~ret69 && #t~ret69 <= 2147483647;~tmp~7 := #t~ret69;havoc #t~ret69; {1710#false} is VALID [2020-07-08 11:14:48,259 INFO L280 TraceCheckUtils]: 42: Hoare triple {1710#false} assume !(0 != ~tmp~7); {1710#false} is VALID [2020-07-08 11:14:48,260 INFO L263 TraceCheckUtils]: 43: Hoare triple {1710#false} call #t~ret70 := getWaterLevel(); {1709#true} is VALID [2020-07-08 11:14:48,260 INFO L280 TraceCheckUtils]: 44: Hoare triple {1709#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~waterLevel~0;#res := ~retValue_acc~6; {1709#true} is VALID [2020-07-08 11:14:48,260 INFO L280 TraceCheckUtils]: 45: Hoare triple {1709#true} assume true; {1709#true} is VALID [2020-07-08 11:14:48,260 INFO L275 TraceCheckUtils]: 46: Hoare quadruple {1709#true} {1710#false} #492#return; {1710#false} is VALID [2020-07-08 11:14:48,260 INFO L280 TraceCheckUtils]: 47: Hoare triple {1710#false} assume -2147483648 <= #t~ret70 && #t~ret70 <= 2147483647;~tmp___0~1 := #t~ret70;havoc #t~ret70; {1710#false} is VALID [2020-07-08 11:14:48,261 INFO L280 TraceCheckUtils]: 48: Hoare triple {1710#false} assume 2 == ~tmp___0~1; {1710#false} is VALID [2020-07-08 11:14:48,261 INFO L263 TraceCheckUtils]: 49: Hoare triple {1710#false} call #t~ret71 := isPumpRunning(); {1709#true} is VALID [2020-07-08 11:14:48,261 INFO L280 TraceCheckUtils]: 50: Hoare triple {1709#true} havoc ~retValue_acc~1;~retValue_acc~1 := ~pumpRunning~0;#res := ~retValue_acc~1; {1709#true} is VALID [2020-07-08 11:14:48,261 INFO L280 TraceCheckUtils]: 51: Hoare triple {1709#true} assume true; {1709#true} is VALID [2020-07-08 11:14:48,262 INFO L275 TraceCheckUtils]: 52: Hoare quadruple {1709#true} {1710#false} #494#return; {1710#false} is VALID [2020-07-08 11:14:48,262 INFO L280 TraceCheckUtils]: 53: Hoare triple {1710#false} assume -2147483648 <= #t~ret71 && #t~ret71 <= 2147483647;~tmp___1~1 := #t~ret71;havoc #t~ret71; {1710#false} is VALID [2020-07-08 11:14:48,262 INFO L280 TraceCheckUtils]: 54: Hoare triple {1710#false} assume !(0 != ~tmp___1~1); {1710#false} is VALID [2020-07-08 11:14:48,263 INFO L263 TraceCheckUtils]: 55: Hoare triple {1710#false} call __automaton_fail(); {1710#false} is VALID [2020-07-08 11:14:48,263 INFO L280 TraceCheckUtils]: 56: Hoare triple {1710#false} assume !false; {1710#false} is VALID [2020-07-08 11:14:48,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 11:14:48,272 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603997824] [2020-07-08 11:14:48,272 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 11:14:48,272 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-08 11:14:48,272 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719842988] [2020-07-08 11:14:48,273 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 57 [2020-07-08 11:14:48,273 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 11:14:48,274 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2020-07-08 11:14:48,357 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 57 edges. 57 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 11:14:48,357 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-08 11:14:48,357 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-08 11:14:48,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-08 11:14:48,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-08 11:14:48,358 INFO L87 Difference]: Start difference. First operand 102 states and 119 transitions. Second operand 8 states. [2020-07-08 11:14:49,265 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-08 11:14:50,255 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-08 11:14:50,654 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-08 11:14:50,978 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-08 11:14:54,635 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-08 11:15:03,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 11:15:03,392 INFO L93 Difference]: Finished difference Result 360 states and 450 transitions. [2020-07-08 11:15:03,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-08 11:15:03,392 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 57 [2020-07-08 11:15:03,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 11:15:03,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-08 11:15:03,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 450 transitions. [2020-07-08 11:15:03,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-08 11:15:03,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 450 transitions. [2020-07-08 11:15:03,413 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states and 450 transitions. [2020-07-08 11:15:05,104 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 450 edges. 450 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 11:15:05,116 INFO L225 Difference]: With dead ends: 360 [2020-07-08 11:15:05,117 INFO L226 Difference]: Without dead ends: 282 [2020-07-08 11:15:05,118 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-07-08 11:15:05,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2020-07-08 11:15:07,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 228. [2020-07-08 11:15:07,616 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 11:15:07,617 INFO L82 GeneralOperation]: Start isEquivalent. First operand 282 states. Second operand 228 states. [2020-07-08 11:15:07,617 INFO L74 IsIncluded]: Start isIncluded. First operand 282 states. Second operand 228 states. [2020-07-08 11:15:07,617 INFO L87 Difference]: Start difference. First operand 282 states. Second operand 228 states. [2020-07-08 11:15:07,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 11:15:07,634 INFO L93 Difference]: Finished difference Result 282 states and 348 transitions. [2020-07-08 11:15:07,635 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 348 transitions. [2020-07-08 11:15:07,637 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 11:15:07,637 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 11:15:07,637 INFO L74 IsIncluded]: Start isIncluded. First operand 228 states. Second operand 282 states. [2020-07-08 11:15:07,637 INFO L87 Difference]: Start difference. First operand 228 states. Second operand 282 states. [2020-07-08 11:15:07,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 11:15:07,653 INFO L93 Difference]: Finished difference Result 282 states and 348 transitions. [2020-07-08 11:15:07,654 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 348 transitions. [2020-07-08 11:15:07,655 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 11:15:07,655 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 11:15:07,656 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 11:15:07,656 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 11:15:07,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2020-07-08 11:15:07,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 277 transitions. [2020-07-08 11:15:07,668 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 277 transitions. Word has length 57 [2020-07-08 11:15:07,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 11:15:07,668 INFO L479 AbstractCegarLoop]: Abstraction has 228 states and 277 transitions. [2020-07-08 11:15:07,668 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-08 11:15:07,669 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 277 transitions. [2020-07-08 11:15:07,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-07-08 11:15:07,670 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 11:15:07,671 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 11:15:07,671 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-08 11:15:07,671 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 11:15:07,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 11:15:07,672 INFO L82 PathProgramCache]: Analyzing trace with hash -914462432, now seen corresponding path program 1 times [2020-07-08 11:15:07,672 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-08 11:15:07,673 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870928789] [2020-07-08 11:15:07,673 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 11:15:07,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 11:15:08,043 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-08 11:15:08,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 11:15:08,107 INFO L280 TraceCheckUtils]: 0: Hoare triple {3176#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string51.base| |old(#t~string51.base)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(110, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 2 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 3 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(80, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(117, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(109, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(112, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(32, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string18.base, #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 1 + #t~string18.offset, 1);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(30);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(21);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(30);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(9);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(21);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(30);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(9);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(25);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(25);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(13);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(77, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(101, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(116, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(104, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string63.base, #t~string63.offset, 1);call write~init~int(82, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(73, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(84, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 4 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(75, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; {3151#(= 1 ~waterLevel~0)} is VALID [2020-07-08 11:15:08,107 INFO L280 TraceCheckUtils]: 1: Hoare triple {3151#(= 1 ~waterLevel~0)} assume true; {3151#(= 1 ~waterLevel~0)} is VALID [2020-07-08 11:15:08,108 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {3151#(= 1 ~waterLevel~0)} {3146#true} #498#return; {3151#(= 1 ~waterLevel~0)} is VALID [2020-07-08 11:15:08,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 11:15:08,112 INFO L280 TraceCheckUtils]: 0: Hoare triple {3146#true} assume true; {3146#true} is VALID [2020-07-08 11:15:08,113 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {3146#true} {3151#(= 1 ~waterLevel~0)} #406#return; {3151#(= 1 ~waterLevel~0)} is VALID [2020-07-08 11:15:08,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 11:15:08,116 INFO L280 TraceCheckUtils]: 0: Hoare triple {3146#true} assume true; {3146#true} is VALID [2020-07-08 11:15:08,117 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {3146#true} {3151#(= 1 ~waterLevel~0)} #408#return; {3151#(= 1 ~waterLevel~0)} is VALID [2020-07-08 11:15:08,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 11:15:08,120 INFO L280 TraceCheckUtils]: 0: Hoare triple {3146#true} havoc ~retValue_acc~9;~retValue_acc~9 := 1;#res := ~retValue_acc~9; {3146#true} is VALID [2020-07-08 11:15:08,121 INFO L280 TraceCheckUtils]: 1: Hoare triple {3146#true} assume true; {3146#true} is VALID [2020-07-08 11:15:08,121 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {3146#true} {3151#(= 1 ~waterLevel~0)} #410#return; {3151#(= 1 ~waterLevel~0)} is VALID [2020-07-08 11:15:08,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 11:15:08,125 INFO L280 TraceCheckUtils]: 0: Hoare triple {3146#true} assume true; {3146#true} is VALID [2020-07-08 11:15:08,126 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {3146#true} {3151#(= 1 ~waterLevel~0)} #412#return; {3151#(= 1 ~waterLevel~0)} is VALID [2020-07-08 11:15:08,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 11:15:08,155 INFO L280 TraceCheckUtils]: 0: Hoare triple {3177#(and (= ~systemActive~0 |old(~systemActive~0)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|))} assume !(0 != ~pumpRunning~0); {3146#true} is VALID [2020-07-08 11:15:08,156 INFO L280 TraceCheckUtils]: 1: Hoare triple {3146#true} ~systemActive~0 := 0; {3146#true} is VALID [2020-07-08 11:15:08,156 INFO L280 TraceCheckUtils]: 2: Hoare triple {3146#true} assume true; {3146#true} is VALID [2020-07-08 11:15:08,157 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {3146#true} {3151#(= 1 ~waterLevel~0)} #460#return; {3151#(= 1 ~waterLevel~0)} is VALID [2020-07-08 11:15:08,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 11:15:08,165 INFO L280 TraceCheckUtils]: 0: Hoare triple {3146#true} havoc ~retValue_acc~5;~retValue_acc~5 := ~methaneLevelCritical~0;#res := ~retValue_acc~5; {3146#true} is VALID [2020-07-08 11:15:08,166 INFO L280 TraceCheckUtils]: 1: Hoare triple {3146#true} assume true; {3146#true} is VALID [2020-07-08 11:15:08,166 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {3146#true} {3151#(= 1 ~waterLevel~0)} #490#return; {3151#(= 1 ~waterLevel~0)} is VALID [2020-07-08 11:15:08,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 11:15:08,184 INFO L280 TraceCheckUtils]: 0: Hoare triple {3146#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~waterLevel~0;#res := ~retValue_acc~6; {3178#(= |getWaterLevel_#res| ~waterLevel~0)} is VALID [2020-07-08 11:15:08,185 INFO L280 TraceCheckUtils]: 1: Hoare triple {3178#(= |getWaterLevel_#res| ~waterLevel~0)} assume true; {3178#(= |getWaterLevel_#res| ~waterLevel~0)} is VALID [2020-07-08 11:15:08,185 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {3178#(= |getWaterLevel_#res| ~waterLevel~0)} {3151#(= 1 ~waterLevel~0)} #492#return; {3171#(= 1 |__utac_acc__Specification3_spec__1_#t~ret70|)} is VALID [2020-07-08 11:15:08,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 11:15:08,188 INFO L280 TraceCheckUtils]: 0: Hoare triple {3146#true} havoc ~retValue_acc~1;~retValue_acc~1 := ~pumpRunning~0;#res := ~retValue_acc~1; {3146#true} is VALID [2020-07-08 11:15:08,188 INFO L280 TraceCheckUtils]: 1: Hoare triple {3146#true} assume true; {3146#true} is VALID [2020-07-08 11:15:08,188 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {3146#true} {3147#false} #494#return; {3147#false} is VALID [2020-07-08 11:15:08,193 INFO L263 TraceCheckUtils]: 0: Hoare triple {3146#true} call ULTIMATE.init(); {3176#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string51.base| |old(#t~string51.base)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|))} is VALID [2020-07-08 11:15:08,199 INFO L280 TraceCheckUtils]: 1: Hoare triple {3176#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string51.base| |old(#t~string51.base)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(110, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 2 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 3 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(80, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(117, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(109, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(112, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(32, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string18.base, #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 1 + #t~string18.offset, 1);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(30);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(21);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(30);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(9);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(21);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(30);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(9);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(25);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(25);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(13);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(77, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(101, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(116, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(104, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string63.base, #t~string63.offset, 1);call write~init~int(82, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(73, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(84, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 4 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(75, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; {3151#(= 1 ~waterLevel~0)} is VALID [2020-07-08 11:15:08,200 INFO L280 TraceCheckUtils]: 2: Hoare triple {3151#(= 1 ~waterLevel~0)} assume true; {3151#(= 1 ~waterLevel~0)} is VALID [2020-07-08 11:15:08,202 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {3151#(= 1 ~waterLevel~0)} {3146#true} #498#return; {3151#(= 1 ~waterLevel~0)} is VALID [2020-07-08 11:15:08,205 INFO L263 TraceCheckUtils]: 4: Hoare triple {3151#(= 1 ~waterLevel~0)} call #t~ret73 := main(); {3151#(= 1 ~waterLevel~0)} is VALID [2020-07-08 11:15:08,208 INFO L280 TraceCheckUtils]: 5: Hoare triple {3151#(= 1 ~waterLevel~0)} havoc ~retValue_acc~7;havoc ~tmp~6; {3151#(= 1 ~waterLevel~0)} is VALID [2020-07-08 11:15:08,210 INFO L263 TraceCheckUtils]: 6: Hoare triple {3151#(= 1 ~waterLevel~0)} call select_helpers(); {3146#true} is VALID [2020-07-08 11:15:08,210 INFO L280 TraceCheckUtils]: 7: Hoare triple {3146#true} assume true; {3146#true} is VALID [2020-07-08 11:15:08,212 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {3146#true} {3151#(= 1 ~waterLevel~0)} #406#return; {3151#(= 1 ~waterLevel~0)} is VALID [2020-07-08 11:15:08,212 INFO L263 TraceCheckUtils]: 9: Hoare triple {3151#(= 1 ~waterLevel~0)} call select_features(); {3146#true} is VALID [2020-07-08 11:15:08,212 INFO L280 TraceCheckUtils]: 10: Hoare triple {3146#true} assume true; {3146#true} is VALID [2020-07-08 11:15:08,213 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {3146#true} {3151#(= 1 ~waterLevel~0)} #408#return; {3151#(= 1 ~waterLevel~0)} is VALID [2020-07-08 11:15:08,213 INFO L263 TraceCheckUtils]: 12: Hoare triple {3151#(= 1 ~waterLevel~0)} call #t~ret68 := valid_product(); {3146#true} is VALID [2020-07-08 11:15:08,213 INFO L280 TraceCheckUtils]: 13: Hoare triple {3146#true} havoc ~retValue_acc~9;~retValue_acc~9 := 1;#res := ~retValue_acc~9; {3146#true} is VALID [2020-07-08 11:15:08,213 INFO L280 TraceCheckUtils]: 14: Hoare triple {3146#true} assume true; {3146#true} is VALID [2020-07-08 11:15:08,214 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {3146#true} {3151#(= 1 ~waterLevel~0)} #410#return; {3151#(= 1 ~waterLevel~0)} is VALID [2020-07-08 11:15:08,215 INFO L280 TraceCheckUtils]: 16: Hoare triple {3151#(= 1 ~waterLevel~0)} assume -2147483648 <= #t~ret68 && #t~ret68 <= 2147483647;~tmp~6 := #t~ret68;havoc #t~ret68; {3151#(= 1 ~waterLevel~0)} is VALID [2020-07-08 11:15:08,215 INFO L280 TraceCheckUtils]: 17: Hoare triple {3151#(= 1 ~waterLevel~0)} assume 0 != ~tmp~6; {3151#(= 1 ~waterLevel~0)} is VALID [2020-07-08 11:15:08,215 INFO L263 TraceCheckUtils]: 18: Hoare triple {3151#(= 1 ~waterLevel~0)} call setup(); {3146#true} is VALID [2020-07-08 11:15:08,216 INFO L280 TraceCheckUtils]: 19: Hoare triple {3146#true} assume true; {3146#true} is VALID [2020-07-08 11:15:08,216 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {3146#true} {3151#(= 1 ~waterLevel~0)} #412#return; {3151#(= 1 ~waterLevel~0)} is VALID [2020-07-08 11:15:08,217 INFO L263 TraceCheckUtils]: 21: Hoare triple {3151#(= 1 ~waterLevel~0)} call runTest(); {3151#(= 1 ~waterLevel~0)} is VALID [2020-07-08 11:15:08,218 INFO L263 TraceCheckUtils]: 22: Hoare triple {3151#(= 1 ~waterLevel~0)} call test(); {3151#(= 1 ~waterLevel~0)} is VALID [2020-07-08 11:15:08,218 INFO L280 TraceCheckUtils]: 23: Hoare triple {3151#(= 1 ~waterLevel~0)} havoc ~splverifierCounter~0;havoc ~tmp~2;havoc ~tmp___0~0;havoc ~tmp___1~0;havoc ~tmp___2~0;~splverifierCounter~0 := 0; {3151#(= 1 ~waterLevel~0)} is VALID [2020-07-08 11:15:08,219 INFO L280 TraceCheckUtils]: 24: Hoare triple {3151#(= 1 ~waterLevel~0)} assume !false; {3151#(= 1 ~waterLevel~0)} is VALID [2020-07-08 11:15:08,221 INFO L280 TraceCheckUtils]: 25: Hoare triple {3151#(= 1 ~waterLevel~0)} assume ~splverifierCounter~0 < 4; {3151#(= 1 ~waterLevel~0)} is VALID [2020-07-08 11:15:08,221 INFO L280 TraceCheckUtils]: 26: Hoare triple {3151#(= 1 ~waterLevel~0)} assume -2147483648 <= #t~nondet19 && #t~nondet19 <= 2147483647;~tmp~2 := #t~nondet19;havoc #t~nondet19; {3151#(= 1 ~waterLevel~0)} is VALID [2020-07-08 11:15:08,222 INFO L280 TraceCheckUtils]: 27: Hoare triple {3151#(= 1 ~waterLevel~0)} assume !(0 != ~tmp~2); {3151#(= 1 ~waterLevel~0)} is VALID [2020-07-08 11:15:08,222 INFO L280 TraceCheckUtils]: 28: Hoare triple {3151#(= 1 ~waterLevel~0)} assume -2147483648 <= #t~nondet20 && #t~nondet20 <= 2147483647;~tmp___0~0 := #t~nondet20;havoc #t~nondet20; {3151#(= 1 ~waterLevel~0)} is VALID [2020-07-08 11:15:08,223 INFO L280 TraceCheckUtils]: 29: Hoare triple {3151#(= 1 ~waterLevel~0)} assume !(0 != ~tmp___0~0); {3151#(= 1 ~waterLevel~0)} is VALID [2020-07-08 11:15:08,223 INFO L280 TraceCheckUtils]: 30: Hoare triple {3151#(= 1 ~waterLevel~0)} assume -2147483648 <= #t~nondet21 && #t~nondet21 <= 2147483647;~tmp___2~0 := #t~nondet21;havoc #t~nondet21; {3151#(= 1 ~waterLevel~0)} is VALID [2020-07-08 11:15:08,228 INFO L280 TraceCheckUtils]: 31: Hoare triple {3151#(= 1 ~waterLevel~0)} assume !(0 != ~tmp___2~0);assume -2147483648 <= #t~nondet22 && #t~nondet22 <= 2147483647;~tmp___1~0 := #t~nondet22;havoc #t~nondet22; {3151#(= 1 ~waterLevel~0)} is VALID [2020-07-08 11:15:08,228 INFO L280 TraceCheckUtils]: 32: Hoare triple {3151#(= 1 ~waterLevel~0)} assume 0 != ~tmp___1~0; {3151#(= 1 ~waterLevel~0)} is VALID [2020-07-08 11:15:08,229 INFO L263 TraceCheckUtils]: 33: Hoare triple {3151#(= 1 ~waterLevel~0)} call stopSystem(); {3177#(and (= ~systemActive~0 |old(~systemActive~0)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|))} is VALID [2020-07-08 11:15:08,229 INFO L280 TraceCheckUtils]: 34: Hoare triple {3177#(and (= ~systemActive~0 |old(~systemActive~0)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|))} assume !(0 != ~pumpRunning~0); {3146#true} is VALID [2020-07-08 11:15:08,230 INFO L280 TraceCheckUtils]: 35: Hoare triple {3146#true} ~systemActive~0 := 0; {3146#true} is VALID [2020-07-08 11:15:08,230 INFO L280 TraceCheckUtils]: 36: Hoare triple {3146#true} assume true; {3146#true} is VALID [2020-07-08 11:15:08,231 INFO L275 TraceCheckUtils]: 37: Hoare quadruple {3146#true} {3151#(= 1 ~waterLevel~0)} #460#return; {3151#(= 1 ~waterLevel~0)} is VALID [2020-07-08 11:15:08,231 INFO L263 TraceCheckUtils]: 38: Hoare triple {3151#(= 1 ~waterLevel~0)} call timeShift(); {3151#(= 1 ~waterLevel~0)} is VALID [2020-07-08 11:15:08,232 INFO L280 TraceCheckUtils]: 39: Hoare triple {3151#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {3151#(= 1 ~waterLevel~0)} is VALID [2020-07-08 11:15:08,232 INFO L280 TraceCheckUtils]: 40: Hoare triple {3151#(= 1 ~waterLevel~0)} assume !(0 != ~systemActive~0); {3151#(= 1 ~waterLevel~0)} is VALID [2020-07-08 11:15:08,233 INFO L263 TraceCheckUtils]: 41: Hoare triple {3151#(= 1 ~waterLevel~0)} call __utac_acc__Specification3_spec__1(); {3151#(= 1 ~waterLevel~0)} is VALID [2020-07-08 11:15:08,233 INFO L280 TraceCheckUtils]: 42: Hoare triple {3151#(= 1 ~waterLevel~0)} havoc ~tmp~7;havoc ~tmp___0~1;havoc ~tmp___1~1; {3151#(= 1 ~waterLevel~0)} is VALID [2020-07-08 11:15:08,233 INFO L263 TraceCheckUtils]: 43: Hoare triple {3151#(= 1 ~waterLevel~0)} call #t~ret69 := isMethaneLevelCritical(); {3146#true} is VALID [2020-07-08 11:15:08,234 INFO L280 TraceCheckUtils]: 44: Hoare triple {3146#true} havoc ~retValue_acc~5;~retValue_acc~5 := ~methaneLevelCritical~0;#res := ~retValue_acc~5; {3146#true} is VALID [2020-07-08 11:15:08,234 INFO L280 TraceCheckUtils]: 45: Hoare triple {3146#true} assume true; {3146#true} is VALID [2020-07-08 11:15:08,235 INFO L275 TraceCheckUtils]: 46: Hoare quadruple {3146#true} {3151#(= 1 ~waterLevel~0)} #490#return; {3151#(= 1 ~waterLevel~0)} is VALID [2020-07-08 11:15:08,235 INFO L280 TraceCheckUtils]: 47: Hoare triple {3151#(= 1 ~waterLevel~0)} assume -2147483648 <= #t~ret69 && #t~ret69 <= 2147483647;~tmp~7 := #t~ret69;havoc #t~ret69; {3151#(= 1 ~waterLevel~0)} is VALID [2020-07-08 11:15:08,236 INFO L280 TraceCheckUtils]: 48: Hoare triple {3151#(= 1 ~waterLevel~0)} assume !(0 != ~tmp~7); {3151#(= 1 ~waterLevel~0)} is VALID [2020-07-08 11:15:08,236 INFO L263 TraceCheckUtils]: 49: Hoare triple {3151#(= 1 ~waterLevel~0)} call #t~ret70 := getWaterLevel(); {3146#true} is VALID [2020-07-08 11:15:08,236 INFO L280 TraceCheckUtils]: 50: Hoare triple {3146#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~waterLevel~0;#res := ~retValue_acc~6; {3178#(= |getWaterLevel_#res| ~waterLevel~0)} is VALID [2020-07-08 11:15:08,237 INFO L280 TraceCheckUtils]: 51: Hoare triple {3178#(= |getWaterLevel_#res| ~waterLevel~0)} assume true; {3178#(= |getWaterLevel_#res| ~waterLevel~0)} is VALID [2020-07-08 11:15:08,238 INFO L275 TraceCheckUtils]: 52: Hoare quadruple {3178#(= |getWaterLevel_#res| ~waterLevel~0)} {3151#(= 1 ~waterLevel~0)} #492#return; {3171#(= 1 |__utac_acc__Specification3_spec__1_#t~ret70|)} is VALID [2020-07-08 11:15:08,239 INFO L280 TraceCheckUtils]: 53: Hoare triple {3171#(= 1 |__utac_acc__Specification3_spec__1_#t~ret70|)} assume -2147483648 <= #t~ret70 && #t~ret70 <= 2147483647;~tmp___0~1 := #t~ret70;havoc #t~ret70; {3172#(= 1 __utac_acc__Specification3_spec__1_~tmp___0~1)} is VALID [2020-07-08 11:15:08,239 INFO L280 TraceCheckUtils]: 54: Hoare triple {3172#(= 1 __utac_acc__Specification3_spec__1_~tmp___0~1)} assume 2 == ~tmp___0~1; {3147#false} is VALID [2020-07-08 11:15:08,239 INFO L263 TraceCheckUtils]: 55: Hoare triple {3147#false} call #t~ret71 := isPumpRunning(); {3146#true} is VALID [2020-07-08 11:15:08,240 INFO L280 TraceCheckUtils]: 56: Hoare triple {3146#true} havoc ~retValue_acc~1;~retValue_acc~1 := ~pumpRunning~0;#res := ~retValue_acc~1; {3146#true} is VALID [2020-07-08 11:15:08,240 INFO L280 TraceCheckUtils]: 57: Hoare triple {3146#true} assume true; {3146#true} is VALID [2020-07-08 11:15:08,240 INFO L275 TraceCheckUtils]: 58: Hoare quadruple {3146#true} {3147#false} #494#return; {3147#false} is VALID [2020-07-08 11:15:08,240 INFO L280 TraceCheckUtils]: 59: Hoare triple {3147#false} assume -2147483648 <= #t~ret71 && #t~ret71 <= 2147483647;~tmp___1~1 := #t~ret71;havoc #t~ret71; {3147#false} is VALID [2020-07-08 11:15:08,240 INFO L280 TraceCheckUtils]: 60: Hoare triple {3147#false} assume !(0 != ~tmp___1~1); {3147#false} is VALID [2020-07-08 11:15:08,241 INFO L263 TraceCheckUtils]: 61: Hoare triple {3147#false} call __automaton_fail(); {3147#false} is VALID [2020-07-08 11:15:08,241 INFO L280 TraceCheckUtils]: 62: Hoare triple {3147#false} assume !false; {3147#false} is VALID [2020-07-08 11:15:08,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 11:15:08,253 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870928789] [2020-07-08 11:15:08,253 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 11:15:08,254 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-08 11:15:08,254 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208397626] [2020-07-08 11:15:08,255 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 63 [2020-07-08 11:15:08,256 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 11:15:08,257 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2020-07-08 11:15:08,327 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 63 edges. 63 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 11:15:08,327 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-08 11:15:08,328 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-08 11:15:08,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-08 11:15:08,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-08 11:15:08,328 INFO L87 Difference]: Start difference. First operand 228 states and 277 transitions. Second operand 8 states. [2020-07-08 11:15:09,281 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-08 11:15:17,036 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-08 11:15:17,720 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-08 11:15:18,180 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-08 11:15:18,614 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-08 11:15:22,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 11:15:22,941 INFO L93 Difference]: Finished difference Result 696 states and 923 transitions. [2020-07-08 11:15:22,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-08 11:15:22,941 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 63 [2020-07-08 11:15:22,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 11:15:22,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-08 11:15:22,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 411 transitions. [2020-07-08 11:15:22,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-08 11:15:22,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 411 transitions. [2020-07-08 11:15:22,960 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states and 411 transitions. [2020-07-08 11:15:24,302 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 411 edges. 411 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 11:15:24,329 INFO L225 Difference]: With dead ends: 696 [2020-07-08 11:15:24,329 INFO L226 Difference]: Without dead ends: 492 [2020-07-08 11:15:24,332 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2020-07-08 11:15:24,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 492 states. [2020-07-08 11:15:28,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 492 to 429. [2020-07-08 11:15:28,637 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 11:15:28,637 INFO L82 GeneralOperation]: Start isEquivalent. First operand 492 states. Second operand 429 states. [2020-07-08 11:15:28,637 INFO L74 IsIncluded]: Start isIncluded. First operand 492 states. Second operand 429 states. [2020-07-08 11:15:28,637 INFO L87 Difference]: Start difference. First operand 492 states. Second operand 429 states. [2020-07-08 11:15:28,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 11:15:28,668 INFO L93 Difference]: Finished difference Result 492 states and 642 transitions. [2020-07-08 11:15:28,668 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 642 transitions. [2020-07-08 11:15:28,670 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 11:15:28,671 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 11:15:28,671 INFO L74 IsIncluded]: Start isIncluded. First operand 429 states. Second operand 492 states. [2020-07-08 11:15:28,671 INFO L87 Difference]: Start difference. First operand 429 states. Second operand 492 states. [2020-07-08 11:15:28,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 11:15:28,702 INFO L93 Difference]: Finished difference Result 492 states and 642 transitions. [2020-07-08 11:15:28,702 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 642 transitions. [2020-07-08 11:15:28,704 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 11:15:28,705 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 11:15:28,705 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 11:15:28,705 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 11:15:28,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 429 states. [2020-07-08 11:15:28,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 535 transitions. [2020-07-08 11:15:28,738 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 535 transitions. Word has length 63 [2020-07-08 11:15:28,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 11:15:28,738 INFO L479 AbstractCegarLoop]: Abstraction has 429 states and 535 transitions. [2020-07-08 11:15:28,738 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-08 11:15:28,738 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 535 transitions. [2020-07-08 11:15:28,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-07-08 11:15:28,741 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 11:15:28,741 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 11:15:28,741 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-08 11:15:28,741 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 11:15:28,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 11:15:28,741 INFO L82 PathProgramCache]: Analyzing trace with hash -1013606138, now seen corresponding path program 1 times [2020-07-08 11:15:28,742 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-08 11:15:28,742 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954051177] [2020-07-08 11:15:28,742 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 11:15:28,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-08 11:15:28,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-08 11:15:28,924 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-08 11:15:28,925 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-08 11:15:28,925 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-08 11:15:29,120 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_freeENTRY has no Hoare annotation [2020-07-08 11:15:29,120 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_resetENTRY has no Hoare annotation [2020-07-08 11:15:29,120 WARN L170 areAnnotationChecker]: select_helpersFINAL has no Hoare annotation [2020-07-08 11:15:29,121 WARN L170 areAnnotationChecker]: valid_productENTRY has no Hoare annotation [2020-07-08 11:15:29,121 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-08 11:15:29,121 WARN L170 areAnnotationChecker]: processEnvironment__wrappee__methaneQueryFINAL has no Hoare annotation [2020-07-08 11:15:29,121 WARN L170 areAnnotationChecker]: Specification2ENTRY has no Hoare annotation [2020-07-08 11:15:29,121 WARN L170 areAnnotationChecker]: Specification2ENTRY has no Hoare annotation [2020-07-08 11:15:29,121 WARN L170 areAnnotationChecker]: stopSystemENTRY has no Hoare annotation [2020-07-08 11:15:29,121 WARN L170 areAnnotationChecker]: stopSystemENTRY has no Hoare annotation [2020-07-08 11:15:29,121 WARN L170 areAnnotationChecker]: activatePump__wrappee__baseENTRY has no Hoare annotation [2020-07-08 11:15:29,121 WARN L170 areAnnotationChecker]: isPumpRunningENTRY has no Hoare annotation [2020-07-08 11:15:29,122 WARN L170 areAnnotationChecker]: printPumpENTRY has no Hoare annotation [2020-07-08 11:15:29,122 WARN L170 areAnnotationChecker]: select_featuresFINAL has no Hoare annotation [2020-07-08 11:15:29,122 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_setENTRY has no Hoare annotation [2020-07-08 11:15:29,122 WARN L170 areAnnotationChecker]: __utac__get_this_argtypeENTRY has no Hoare annotation [2020-07-08 11:15:29,122 WARN L170 areAnnotationChecker]: runTestENTRY has no Hoare annotation [2020-07-08 11:15:29,122 WARN L170 areAnnotationChecker]: runTestENTRY has no Hoare annotation [2020-07-08 11:15:29,122 WARN L170 areAnnotationChecker]: isMethaneAlarmENTRY has no Hoare annotation [2020-07-08 11:15:29,122 WARN L170 areAnnotationChecker]: deactivatePumpENTRY has no Hoare annotation [2020-07-08 11:15:29,122 WARN L170 areAnnotationChecker]: processEnvironmentENTRY has no Hoare annotation [2020-07-08 11:15:29,123 WARN L170 areAnnotationChecker]: testENTRY has no Hoare annotation [2020-07-08 11:15:29,123 WARN L170 areAnnotationChecker]: __utac__get_this_argENTRY has no Hoare annotation [2020-07-08 11:15:29,123 WARN L170 areAnnotationChecker]: ULTIMATE.initENTRY has no Hoare annotation [2020-07-08 11:15:29,123 WARN L170 areAnnotationChecker]: __utac__error_stack_mgtENTRY has no Hoare annotation [2020-07-08 11:15:29,123 WARN L170 areAnnotationChecker]: printEnvironmentENTRY has no Hoare annotation [2020-07-08 11:15:29,123 WARN L170 areAnnotationChecker]: select_oneENTRY has no Hoare annotation [2020-07-08 11:15:29,123 WARN L170 areAnnotationChecker]: activatePumpENTRY has no Hoare annotation [2020-07-08 11:15:29,123 WARN L170 areAnnotationChecker]: ##fun~int~X~int~TO~intENTRY has no Hoare annotation [2020-07-08 11:15:29,123 WARN L170 areAnnotationChecker]: changeMethaneLevelENTRY has no Hoare annotation [2020-07-08 11:15:29,123 WARN L170 areAnnotationChecker]: changeMethaneLevelENTRY has no Hoare annotation [2020-07-08 11:15:29,124 WARN L170 areAnnotationChecker]: getWaterLevelENTRY has no Hoare annotation [2020-07-08 11:15:29,124 WARN L170 areAnnotationChecker]: timeShiftENTRY has no Hoare annotation [2020-07-08 11:15:29,124 WARN L170 areAnnotationChecker]: timeShiftENTRY has no Hoare annotation [2020-07-08 11:15:29,124 WARN L170 areAnnotationChecker]: isMethaneLevelCriticalENTRY has no Hoare annotation [2020-07-08 11:15:29,124 WARN L170 areAnnotationChecker]: cleanupENTRY has no Hoare annotation [2020-07-08 11:15:29,124 WARN L170 areAnnotationChecker]: __utac_acc__Specification3_spec__1ENTRY has no Hoare annotation [2020-07-08 11:15:29,124 WARN L170 areAnnotationChecker]: lowerWaterLevelENTRY has no Hoare annotation [2020-07-08 11:15:29,124 WARN L170 areAnnotationChecker]: lowerWaterLevelENTRY has no Hoare annotation [2020-07-08 11:15:29,125 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-08 11:15:29,125 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-08 11:15:29,125 WARN L170 areAnnotationChecker]: setupFINAL has no Hoare annotation [2020-07-08 11:15:29,125 WARN L170 areAnnotationChecker]: waterRiseENTRY has no Hoare annotation [2020-07-08 11:15:29,125 WARN L170 areAnnotationChecker]: waterRiseENTRY has no Hoare annotation [2020-07-08 11:15:29,125 WARN L170 areAnnotationChecker]: __automaton_failENTRY has no Hoare annotation [2020-07-08 11:15:29,126 WARN L170 areAnnotationChecker]: __automaton_failENTRY has no Hoare annotation [2020-07-08 11:15:29,126 WARN L170 areAnnotationChecker]: L362-2 has no Hoare annotation [2020-07-08 11:15:29,126 WARN L170 areAnnotationChecker]: L362-2 has no Hoare annotation [2020-07-08 11:15:29,126 WARN L170 areAnnotationChecker]: L362-2 has no Hoare annotation [2020-07-08 11:15:29,126 WARN L170 areAnnotationChecker]: L419-2 has no Hoare annotation [2020-07-08 11:15:29,127 WARN L170 areAnnotationChecker]: L419-2 has no Hoare annotation [2020-07-08 11:15:29,127 WARN L170 areAnnotationChecker]: L419-2 has no Hoare annotation [2020-07-08 11:15:29,127 WARN L170 areAnnotationChecker]: select_helpersEXIT has no Hoare annotation [2020-07-08 11:15:29,127 WARN L170 areAnnotationChecker]: valid_productFINAL has no Hoare annotation [2020-07-08 11:15:29,127 WARN L170 areAnnotationChecker]: L813 has no Hoare annotation [2020-07-08 11:15:29,127 WARN L170 areAnnotationChecker]: L813 has no Hoare annotation [2020-07-08 11:15:29,128 WARN L170 areAnnotationChecker]: processEnvironment__wrappee__methaneQueryEXIT has no Hoare annotation [2020-07-08 11:15:29,128 WARN L170 areAnnotationChecker]: processEnvironment__wrappee__methaneQueryEXIT has no Hoare annotation [2020-07-08 11:15:29,128 WARN L170 areAnnotationChecker]: L768 has no Hoare annotation [2020-07-08 11:15:29,128 WARN L170 areAnnotationChecker]: L768 has no Hoare annotation [2020-07-08 11:15:29,128 WARN L170 areAnnotationChecker]: L205 has no Hoare annotation [2020-07-08 11:15:29,128 WARN L170 areAnnotationChecker]: L205 has no Hoare annotation [2020-07-08 11:15:29,129 WARN L170 areAnnotationChecker]: L203 has no Hoare annotation [2020-07-08 11:15:29,129 WARN L170 areAnnotationChecker]: activatePump__wrappee__baseFINAL has no Hoare annotation [2020-07-08 11:15:29,129 WARN L170 areAnnotationChecker]: isPumpRunningFINAL has no Hoare annotation [2020-07-08 11:15:29,129 WARN L170 areAnnotationChecker]: L170 has no Hoare annotation [2020-07-08 11:15:29,129 WARN L170 areAnnotationChecker]: L170 has no Hoare annotation [2020-07-08 11:15:29,129 WARN L170 areAnnotationChecker]: select_featuresEXIT has no Hoare annotation [2020-07-08 11:15:29,130 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_setFINAL has no Hoare annotation [2020-07-08 11:15:29,130 WARN L170 areAnnotationChecker]: L618 has no Hoare annotation [2020-07-08 11:15:29,130 WARN L170 areAnnotationChecker]: L618 has no Hoare annotation [2020-07-08 11:15:29,130 WARN L170 areAnnotationChecker]: runTestFINAL has no Hoare annotation [2020-07-08 11:15:29,130 WARN L170 areAnnotationChecker]: L148 has no Hoare annotation [2020-07-08 11:15:29,130 WARN L170 areAnnotationChecker]: L148 has no Hoare annotation [2020-07-08 11:15:29,131 WARN L170 areAnnotationChecker]: deactivatePumpFINAL has no Hoare annotation [2020-07-08 11:15:29,131 WARN L170 areAnnotationChecker]: L89 has no Hoare annotation [2020-07-08 11:15:29,131 WARN L170 areAnnotationChecker]: L89 has no Hoare annotation [2020-07-08 11:15:29,131 WARN L170 areAnnotationChecker]: L273 has no Hoare annotation [2020-07-08 11:15:29,131 WARN L170 areAnnotationChecker]: L273 has no Hoare annotation [2020-07-08 11:15:29,132 WARN L170 areAnnotationChecker]: L273 has no Hoare annotation [2020-07-08 11:15:29,132 WARN L170 areAnnotationChecker]: L572 has no Hoare annotation [2020-07-08 11:15:29,132 WARN L170 areAnnotationChecker]: L572 has no Hoare annotation [2020-07-08 11:15:29,132 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-08 11:15:29,132 WARN L170 areAnnotationChecker]: L479 has no Hoare annotation [2020-07-08 11:15:29,132 WARN L170 areAnnotationChecker]: L479 has no Hoare annotation [2020-07-08 11:15:29,133 WARN L170 areAnnotationChecker]: L707 has no Hoare annotation [2020-07-08 11:15:29,133 WARN L170 areAnnotationChecker]: L707 has no Hoare annotation [2020-07-08 11:15:29,133 WARN L170 areAnnotationChecker]: select_oneFINAL has no Hoare annotation [2020-07-08 11:15:29,133 WARN L170 areAnnotationChecker]: L123 has no Hoare annotation [2020-07-08 11:15:29,133 WARN L170 areAnnotationChecker]: L123 has no Hoare annotation [2020-07-08 11:15:29,133 WARN L170 areAnnotationChecker]: ##fun~int~X~int~TO~intFINAL has no Hoare annotation [2020-07-08 11:15:29,134 WARN L170 areAnnotationChecker]: L682-1 has no Hoare annotation [2020-07-08 11:15:29,134 WARN L170 areAnnotationChecker]: getWaterLevelFINAL has no Hoare annotation [2020-07-08 11:15:29,134 WARN L170 areAnnotationChecker]: L59 has no Hoare annotation [2020-07-08 11:15:29,134 WARN L170 areAnnotationChecker]: L59 has no Hoare annotation [2020-07-08 11:15:29,134 WARN L170 areAnnotationChecker]: L57 has no Hoare annotation [2020-07-08 11:15:29,134 WARN L170 areAnnotationChecker]: L57 has no Hoare annotation [2020-07-08 11:15:29,135 WARN L170 areAnnotationChecker]: isMethaneLevelCriticalFINAL has no Hoare annotation [2020-07-08 11:15:29,135 WARN L170 areAnnotationChecker]: L739 has no Hoare annotation [2020-07-08 11:15:29,135 WARN L170 areAnnotationChecker]: L739 has no Hoare annotation [2020-07-08 11:15:29,135 WARN L170 areAnnotationChecker]: L839 has no Hoare annotation [2020-07-08 11:15:29,135 WARN L170 areAnnotationChecker]: L839 has no Hoare annotation [2020-07-08 11:15:29,135 WARN L170 areAnnotationChecker]: L658-1 has no Hoare annotation [2020-07-08 11:15:29,135 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-08 11:15:29,136 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-08 11:15:29,136 WARN L170 areAnnotationChecker]: setupEXIT has no Hoare annotation [2020-07-08 11:15:29,136 WARN L170 areAnnotationChecker]: L670-1 has no Hoare annotation [2020-07-08 11:15:29,136 WARN L170 areAnnotationChecker]: __automaton_failFINAL has no Hoare annotation [2020-07-08 11:15:29,136 WARN L170 areAnnotationChecker]: L384 has no Hoare annotation [2020-07-08 11:15:29,136 WARN L170 areAnnotationChecker]: L363 has no Hoare annotation [2020-07-08 11:15:29,136 WARN L170 areAnnotationChecker]: L445 has no Hoare annotation [2020-07-08 11:15:29,137 WARN L170 areAnnotationChecker]: L445 has no Hoare annotation [2020-07-08 11:15:29,137 WARN L170 areAnnotationChecker]: L420 has no Hoare annotation [2020-07-08 11:15:29,137 WARN L170 areAnnotationChecker]: L813-1 has no Hoare annotation [2020-07-08 11:15:29,137 WARN L170 areAnnotationChecker]: L813-1 has no Hoare annotation [2020-07-08 11:15:29,137 WARN L170 areAnnotationChecker]: valid_productEXIT has no Hoare annotation [2020-07-08 11:15:29,137 WARN L170 areAnnotationChecker]: L104-1 has no Hoare annotation [2020-07-08 11:15:29,138 WARN L170 areAnnotationChecker]: L769 has no Hoare annotation [2020-07-08 11:15:29,138 WARN L170 areAnnotationChecker]: L769 has no Hoare annotation [2020-07-08 11:15:29,138 WARN L170 areAnnotationChecker]: stopSystemFINAL has no Hoare annotation [2020-07-08 11:15:29,138 WARN L170 areAnnotationChecker]: activatePump__wrappee__baseEXIT has no Hoare annotation [2020-07-08 11:15:29,138 WARN L170 areAnnotationChecker]: isPumpRunningEXIT has no Hoare annotation [2020-07-08 11:15:29,138 WARN L170 areAnnotationChecker]: L170-2 has no Hoare annotation [2020-07-08 11:15:29,139 WARN L170 areAnnotationChecker]: L814 has no Hoare annotation [2020-07-08 11:15:29,139 WARN L170 areAnnotationChecker]: L814 has no Hoare annotation [2020-07-08 11:15:29,139 WARN L170 areAnnotationChecker]: L624 has no Hoare annotation [2020-07-08 11:15:29,139 WARN L170 areAnnotationChecker]: L624 has no Hoare annotation [2020-07-08 11:15:29,139 WARN L170 areAnnotationChecker]: L618-1 has no Hoare annotation [2020-07-08 11:15:29,139 WARN L170 areAnnotationChecker]: runTestEXIT has no Hoare annotation [2020-07-08 11:15:29,140 WARN L170 areAnnotationChecker]: L148-1 has no Hoare annotation [2020-07-08 11:15:29,140 WARN L170 areAnnotationChecker]: deactivatePumpEXIT has no Hoare annotation [2020-07-08 11:15:29,140 WARN L170 areAnnotationChecker]: deactivatePumpEXIT has no Hoare annotation [2020-07-08 11:15:29,140 WARN L170 areAnnotationChecker]: L91 has no Hoare annotation [2020-07-08 11:15:29,140 WARN L170 areAnnotationChecker]: L91 has no Hoare annotation [2020-07-08 11:15:29,140 WARN L170 areAnnotationChecker]: L104 has no Hoare annotation [2020-07-08 11:15:29,140 WARN L170 areAnnotationChecker]: L104 has no Hoare annotation [2020-07-08 11:15:29,141 WARN L170 areAnnotationChecker]: L276 has no Hoare annotation [2020-07-08 11:15:29,141 WARN L170 areAnnotationChecker]: L276 has no Hoare annotation [2020-07-08 11:15:29,141 WARN L170 areAnnotationChecker]: L229 has no Hoare annotation [2020-07-08 11:15:29,141 WARN L170 areAnnotationChecker]: L229 has no Hoare annotation [2020-07-08 11:15:29,141 WARN L170 areAnnotationChecker]: L578 has no Hoare annotation [2020-07-08 11:15:29,141 WARN L170 areAnnotationChecker]: L578 has no Hoare annotation [2020-07-08 11:15:29,141 WARN L170 areAnnotationChecker]: L572-1 has no Hoare annotation [2020-07-08 11:15:29,141 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-08 11:15:29,142 WARN L170 areAnnotationChecker]: __utac__error_stack_mgtFINAL has no Hoare annotation [2020-07-08 11:15:29,142 WARN L170 areAnnotationChecker]: L484 has no Hoare annotation [2020-07-08 11:15:29,142 WARN L170 areAnnotationChecker]: L484 has no Hoare annotation [2020-07-08 11:15:29,142 WARN L170 areAnnotationChecker]: L707-2 has no Hoare annotation [2020-07-08 11:15:29,142 WARN L170 areAnnotationChecker]: L123-1 has no Hoare annotation [2020-07-08 11:15:29,142 WARN L170 areAnnotationChecker]: ##fun~int~X~int~TO~intEXIT has no Hoare annotation [2020-07-08 11:15:29,142 WARN L170 areAnnotationChecker]: changeMethaneLevelEXIT has no Hoare annotation [2020-07-08 11:15:29,142 WARN L170 areAnnotationChecker]: changeMethaneLevelEXIT has no Hoare annotation [2020-07-08 11:15:29,143 WARN L170 areAnnotationChecker]: getWaterLevelEXIT has no Hoare annotation [2020-07-08 11:15:29,143 WARN L170 areAnnotationChecker]: L66 has no Hoare annotation [2020-07-08 11:15:29,143 WARN L170 areAnnotationChecker]: L66 has no Hoare annotation [2020-07-08 11:15:29,143 WARN L170 areAnnotationChecker]: L64 has no Hoare annotation [2020-07-08 11:15:29,143 WARN L170 areAnnotationChecker]: L64 has no Hoare annotation [2020-07-08 11:15:29,143 WARN L170 areAnnotationChecker]: isMethaneLevelCriticalEXIT has no Hoare annotation [2020-07-08 11:15:29,143 WARN L170 areAnnotationChecker]: isMethaneLevelCriticalEXIT has no Hoare annotation [2020-07-08 11:15:29,144 WARN L170 areAnnotationChecker]: L739-1 has no Hoare annotation [2020-07-08 11:15:29,144 WARN L170 areAnnotationChecker]: L839-1 has no Hoare annotation [2020-07-08 11:15:29,144 WARN L170 areAnnotationChecker]: lowerWaterLevelEXIT has no Hoare annotation [2020-07-08 11:15:29,144 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-08 11:15:29,144 WARN L170 areAnnotationChecker]: L819-1 has no Hoare annotation [2020-07-08 11:15:29,144 WARN L170 areAnnotationChecker]: L819-1 has no Hoare annotation [2020-07-08 11:15:29,145 WARN L170 areAnnotationChecker]: waterRiseEXIT has no Hoare annotation [2020-07-08 11:15:29,145 WARN L170 areAnnotationChecker]: waterRiseEXIT has no Hoare annotation [2020-07-08 11:15:29,145 WARN L170 areAnnotationChecker]: __automaton_failEXIT has no Hoare annotation [2020-07-08 11:15:29,145 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_freeFINAL has no Hoare annotation [2020-07-08 11:15:29,145 WARN L170 areAnnotationChecker]: L368 has no Hoare annotation [2020-07-08 11:15:29,145 WARN L170 areAnnotationChecker]: L368 has no Hoare annotation [2020-07-08 11:15:29,146 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_resetFINAL has no Hoare annotation [2020-07-08 11:15:29,146 WARN L170 areAnnotationChecker]: L425 has no Hoare annotation [2020-07-08 11:15:29,146 WARN L170 areAnnotationChecker]: L425 has no Hoare annotation [2020-07-08 11:15:29,146 WARN L170 areAnnotationChecker]: L815 has no Hoare annotation [2020-07-08 11:15:29,146 WARN L170 areAnnotationChecker]: processEnvironmentEXIT has no Hoare annotation [2020-07-08 11:15:29,146 WARN L170 areAnnotationChecker]: L770 has no Hoare annotation [2020-07-08 11:15:29,147 WARN L170 areAnnotationChecker]: L770 has no Hoare annotation [2020-07-08 11:15:29,147 WARN L170 areAnnotationChecker]: stopSystemEXIT has no Hoare annotation [2020-07-08 11:15:29,147 WARN L170 areAnnotationChecker]: L129-1 has no Hoare annotation [2020-07-08 11:15:29,147 WARN L170 areAnnotationChecker]: L849-1 has no Hoare annotation [2020-07-08 11:15:29,147 WARN L170 areAnnotationChecker]: L182 has no Hoare annotation [2020-07-08 11:15:29,147 WARN L170 areAnnotationChecker]: L182 has no Hoare annotation [2020-07-08 11:15:29,148 WARN L170 areAnnotationChecker]: __utac__get_this_argtypeFINAL has no Hoare annotation [2020-07-08 11:15:29,148 WARN L170 areAnnotationChecker]: L817-1 has no Hoare annotation [2020-07-08 11:15:29,148 WARN L170 areAnnotationChecker]: isMethaneAlarmFINAL has no Hoare annotation [2020-07-08 11:15:29,148 WARN L170 areAnnotationChecker]: L91-1 has no Hoare annotation [2020-07-08 11:15:29,148 WARN L170 areAnnotationChecker]: testFINAL has no Hoare annotation [2020-07-08 11:15:29,148 WARN L170 areAnnotationChecker]: L230 has no Hoare annotation [2020-07-08 11:15:29,149 WARN L170 areAnnotationChecker]: __utac__get_this_argFINAL has no Hoare annotation [2020-07-08 11:15:29,149 WARN L170 areAnnotationChecker]: L501 has no Hoare annotation [2020-07-08 11:15:29,149 WARN L170 areAnnotationChecker]: L501 has no Hoare annotation [2020-07-08 11:15:29,149 WARN L170 areAnnotationChecker]: printEnvironmentFINAL has no Hoare annotation [2020-07-08 11:15:29,149 WARN L170 areAnnotationChecker]: L125 has no Hoare annotation [2020-07-08 11:15:29,149 WARN L170 areAnnotationChecker]: L125 has no Hoare annotation [2020-07-08 11:15:29,149 WARN L170 areAnnotationChecker]: L438-1 has no Hoare annotation [2020-07-08 11:15:29,149 WARN L170 areAnnotationChecker]: L778 has no Hoare annotation [2020-07-08 11:15:29,149 WARN L170 areAnnotationChecker]: L778 has no Hoare annotation [2020-07-08 11:15:29,150 WARN L170 areAnnotationChecker]: L248-1 has no Hoare annotation [2020-07-08 11:15:29,150 WARN L170 areAnnotationChecker]: L845-1 has no Hoare annotation [2020-07-08 11:15:29,150 WARN L170 areAnnotationChecker]: timeShiftFINAL has no Hoare annotation [2020-07-08 11:15:29,150 WARN L170 areAnnotationChecker]: L743-2 has no Hoare annotation [2020-07-08 11:15:29,150 WARN L170 areAnnotationChecker]: L743-2 has no Hoare annotation [2020-07-08 11:15:29,150 WARN L170 areAnnotationChecker]: L743-2 has no Hoare annotation [2020-07-08 11:15:29,150 WARN L170 areAnnotationChecker]: L841 has no Hoare annotation [2020-07-08 11:15:29,150 WARN L170 areAnnotationChecker]: L841 has no Hoare annotation [2020-07-08 11:15:29,151 WARN L170 areAnnotationChecker]: L774 has no Hoare annotation [2020-07-08 11:15:29,151 WARN L170 areAnnotationChecker]: L774 has no Hoare annotation [2020-07-08 11:15:29,151 WARN L170 areAnnotationChecker]: L238-1 has no Hoare annotation [2020-07-08 11:15:29,151 WARN L170 areAnnotationChecker]: L847-1 has no Hoare annotation [2020-07-08 11:15:29,151 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_freeEXIT has no Hoare annotation [2020-07-08 11:15:29,151 WARN L170 areAnnotationChecker]: L368-1 has no Hoare annotation [2020-07-08 11:15:29,151 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_resetEXIT has no Hoare annotation [2020-07-08 11:15:29,151 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_resetEXIT has no Hoare annotation [2020-07-08 11:15:29,151 WARN L170 areAnnotationChecker]: L425-1 has no Hoare annotation [2020-07-08 11:15:29,151 WARN L170 areAnnotationChecker]: L817 has no Hoare annotation [2020-07-08 11:15:29,152 WARN L170 areAnnotationChecker]: L817 has no Hoare annotation [2020-07-08 11:15:29,152 WARN L170 areAnnotationChecker]: L771 has no Hoare annotation [2020-07-08 11:15:29,152 WARN L170 areAnnotationChecker]: L771 has no Hoare annotation [2020-07-08 11:15:29,152 WARN L170 areAnnotationChecker]: L264-1 has no Hoare annotation [2020-07-08 11:15:29,152 WARN L170 areAnnotationChecker]: L264-1 has no Hoare annotation [2020-07-08 11:15:29,152 WARN L170 areAnnotationChecker]: L851 has no Hoare annotation [2020-07-08 11:15:29,152 WARN L170 areAnnotationChecker]: L851 has no Hoare annotation [2020-07-08 11:15:29,152 WARN L170 areAnnotationChecker]: L182-2 has no Hoare annotation [2020-07-08 11:15:29,152 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-08 11:15:29,152 WARN L170 areAnnotationChecker]: isMethaneAlarmEXIT has no Hoare annotation [2020-07-08 11:15:29,153 WARN L170 areAnnotationChecker]: isMethaneAlarmEXIT has no Hoare annotation [2020-07-08 11:15:29,153 WARN L170 areAnnotationChecker]: L93 has no Hoare annotation [2020-07-08 11:15:29,153 WARN L170 areAnnotationChecker]: L93 has no Hoare annotation [2020-07-08 11:15:29,153 WARN L170 areAnnotationChecker]: testEXIT has no Hoare annotation [2020-07-08 11:15:29,153 WARN L170 areAnnotationChecker]: L238 has no Hoare annotation [2020-07-08 11:15:29,153 WARN L170 areAnnotationChecker]: L238 has no Hoare annotation [2020-07-08 11:15:29,153 WARN L170 areAnnotationChecker]: L504-2 has no Hoare annotation [2020-07-08 11:15:29,153 WARN L170 areAnnotationChecker]: L504-2 has no Hoare annotation [2020-07-08 11:15:29,153 WARN L170 areAnnotationChecker]: L504-2 has no Hoare annotation [2020-07-08 11:15:29,154 WARN L170 areAnnotationChecker]: L543 has no Hoare annotation [2020-07-08 11:15:29,154 WARN L170 areAnnotationChecker]: L543 has no Hoare annotation [2020-07-08 11:15:29,154 WARN L170 areAnnotationChecker]: printEnvironmentEXIT has no Hoare annotation [2020-07-08 11:15:29,154 WARN L170 areAnnotationChecker]: L129 has no Hoare annotation [2020-07-08 11:15:29,154 WARN L170 areAnnotationChecker]: L129 has no Hoare annotation [2020-07-08 11:15:29,154 WARN L170 areAnnotationChecker]: L779 has no Hoare annotation [2020-07-08 11:15:29,154 WARN L170 areAnnotationChecker]: L779 has no Hoare annotation [2020-07-08 11:15:29,154 WARN L170 areAnnotationChecker]: L258 has no Hoare annotation [2020-07-08 11:15:29,154 WARN L170 areAnnotationChecker]: L258 has no Hoare annotation [2020-07-08 11:15:29,154 WARN L170 areAnnotationChecker]: L847 has no Hoare annotation [2020-07-08 11:15:29,155 WARN L170 areAnnotationChecker]: L847 has no Hoare annotation [2020-07-08 11:15:29,155 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-08 11:15:29,155 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-08 11:15:29,155 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-08 11:15:29,155 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-08 11:15:29,155 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-08 11:15:29,155 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-08 11:15:29,155 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-08 11:15:29,155 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-08 11:15:29,156 WARN L170 areAnnotationChecker]: L758 has no Hoare annotation [2020-07-08 11:15:29,156 WARN L170 areAnnotationChecker]: L744 has no Hoare annotation [2020-07-08 11:15:29,156 WARN L170 areAnnotationChecker]: L845 has no Hoare annotation [2020-07-08 11:15:29,156 WARN L170 areAnnotationChecker]: L845 has no Hoare annotation [2020-07-08 11:15:29,156 WARN L170 areAnnotationChecker]: L775 has no Hoare annotation [2020-07-08 11:15:29,156 WARN L170 areAnnotationChecker]: L775 has no Hoare annotation [2020-07-08 11:15:29,156 WARN L170 areAnnotationChecker]: L248 has no Hoare annotation [2020-07-08 11:15:29,156 WARN L170 areAnnotationChecker]: L248 has no Hoare annotation [2020-07-08 11:15:29,156 WARN L170 areAnnotationChecker]: __utac_acc__Specification3_spec__1EXIT has no Hoare annotation [2020-07-08 11:15:29,157 WARN L170 areAnnotationChecker]: L520-1 has no Hoare annotation [2020-07-08 11:15:29,157 WARN L170 areAnnotationChecker]: L536-1 has no Hoare annotation [2020-07-08 11:15:29,157 WARN L170 areAnnotationChecker]: L438 has no Hoare annotation [2020-07-08 11:15:29,157 WARN L170 areAnnotationChecker]: L438 has no Hoare annotation [2020-07-08 11:15:29,157 WARN L170 areAnnotationChecker]: L819 has no Hoare annotation [2020-07-08 11:15:29,157 WARN L170 areAnnotationChecker]: L819 has no Hoare annotation [2020-07-08 11:15:29,158 WARN L170 areAnnotationChecker]: L772 has no Hoare annotation [2020-07-08 11:15:29,158 WARN L170 areAnnotationChecker]: L772 has no Hoare annotation [2020-07-08 11:15:29,158 WARN L170 areAnnotationChecker]: L855 has no Hoare annotation [2020-07-08 11:15:29,158 WARN L170 areAnnotationChecker]: L855 has no Hoare annotation [2020-07-08 11:15:29,158 WARN L170 areAnnotationChecker]: L193 has no Hoare annotation [2020-07-08 11:15:29,158 WARN L170 areAnnotationChecker]: L193 has no Hoare annotation [2020-07-08 11:15:29,159 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-08 11:15:29,159 WARN L170 areAnnotationChecker]: L95 has no Hoare annotation [2020-07-08 11:15:29,159 WARN L170 areAnnotationChecker]: L95 has no Hoare annotation [2020-07-08 11:15:29,159 WARN L170 areAnnotationChecker]: L99 has no Hoare annotation [2020-07-08 11:15:29,159 WARN L170 areAnnotationChecker]: L99 has no Hoare annotation [2020-07-08 11:15:29,159 WARN L170 areAnnotationChecker]: L240 has no Hoare annotation [2020-07-08 11:15:29,160 WARN L170 areAnnotationChecker]: L240 has no Hoare annotation [2020-07-08 11:15:29,160 WARN L170 areAnnotationChecker]: L525 has no Hoare annotation [2020-07-08 11:15:29,160 WARN L170 areAnnotationChecker]: L505 has no Hoare annotation [2020-07-08 11:15:29,160 WARN L170 areAnnotationChecker]: L505 has no Hoare annotation [2020-07-08 11:15:29,160 WARN L170 areAnnotationChecker]: L544 has no Hoare annotation [2020-07-08 11:15:29,161 WARN L170 areAnnotationChecker]: L544 has no Hoare annotation [2020-07-08 11:15:29,161 WARN L170 areAnnotationChecker]: L193-1 has no Hoare annotation [2020-07-08 11:15:29,161 WARN L170 areAnnotationChecker]: L780 has no Hoare annotation [2020-07-08 11:15:29,161 WARN L170 areAnnotationChecker]: L780 has no Hoare annotation [2020-07-08 11:15:29,161 WARN L170 areAnnotationChecker]: L264 has no Hoare annotation [2020-07-08 11:15:29,161 WARN L170 areAnnotationChecker]: L264 has no Hoare annotation [2020-07-08 11:15:29,162 WARN L170 areAnnotationChecker]: L849 has no Hoare annotation [2020-07-08 11:15:29,162 WARN L170 areAnnotationChecker]: L849 has no Hoare annotation [2020-07-08 11:15:29,162 WARN L170 areAnnotationChecker]: L776 has no Hoare annotation [2020-07-08 11:15:29,162 WARN L170 areAnnotationChecker]: L776 has no Hoare annotation [2020-07-08 11:15:29,162 WARN L170 areAnnotationChecker]: L754 has no Hoare annotation [2020-07-08 11:15:29,162 WARN L170 areAnnotationChecker]: cleanupEXIT has no Hoare annotation [2020-07-08 11:15:29,163 WARN L170 areAnnotationChecker]: cleanupEXIT has no Hoare annotation [2020-07-08 11:15:29,163 WARN L170 areAnnotationChecker]: L747 has no Hoare annotation [2020-07-08 11:15:29,163 WARN L170 areAnnotationChecker]: L747 has no Hoare annotation [2020-07-08 11:15:29,163 WARN L170 areAnnotationChecker]: L250 has no Hoare annotation [2020-07-08 11:15:29,163 WARN L170 areAnnotationChecker]: L250 has no Hoare annotation [2020-07-08 11:15:29,163 WARN L170 areAnnotationChecker]: L773 has no Hoare annotation [2020-07-08 11:15:29,164 WARN L170 areAnnotationChecker]: L773 has no Hoare annotation [2020-07-08 11:15:29,164 WARN L170 areAnnotationChecker]: L536 has no Hoare annotation [2020-07-08 11:15:29,164 WARN L170 areAnnotationChecker]: L536 has no Hoare annotation [2020-07-08 11:15:29,164 WARN L170 areAnnotationChecker]: L506 has no Hoare annotation [2020-07-08 11:15:29,164 WARN L170 areAnnotationChecker]: printPumpFINAL has no Hoare annotation [2020-07-08 11:15:29,164 WARN L170 areAnnotationChecker]: L781 has no Hoare annotation [2020-07-08 11:15:29,165 WARN L170 areAnnotationChecker]: L781 has no Hoare annotation [2020-07-08 11:15:29,165 WARN L170 areAnnotationChecker]: L266 has no Hoare annotation [2020-07-08 11:15:29,165 WARN L170 areAnnotationChecker]: L266 has no Hoare annotation [2020-07-08 11:15:29,165 WARN L170 areAnnotationChecker]: L777 has no Hoare annotation [2020-07-08 11:15:29,165 WARN L170 areAnnotationChecker]: L777 has no Hoare annotation [2020-07-08 11:15:29,165 WARN L170 areAnnotationChecker]: Specification2FINAL has no Hoare annotation [2020-07-08 11:15:29,166 WARN L170 areAnnotationChecker]: L747-1 has no Hoare annotation [2020-07-08 11:15:29,166 WARN L170 areAnnotationChecker]: L747-1 has no Hoare annotation [2020-07-08 11:15:29,166 WARN L170 areAnnotationChecker]: L520 has no Hoare annotation [2020-07-08 11:15:29,166 WARN L170 areAnnotationChecker]: L520 has no Hoare annotation [2020-07-08 11:15:29,166 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-08 11:15:29,166 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-08 11:15:29,166 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-08 11:15:29,167 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-08 11:15:29,167 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-08 11:15:29,167 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-08 11:15:29,167 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-08 11:15:29,167 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-08 11:15:29,170 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.07 11:15:29 BoogieIcfgContainer [2020-07-08 11:15:29,170 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-08 11:15:29,173 INFO L168 Benchmark]: Toolchain (without parser) took 59078.93 ms. Allocated memory was 137.4 MB in the beginning and 780.7 MB in the end (delta: 643.3 MB). Free memory was 100.4 MB in the beginning and 388.4 MB in the end (delta: -288.0 MB). Peak memory consumption was 355.3 MB. Max. memory is 7.1 GB. [2020-07-08 11:15:29,173 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 137.4 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-08 11:15:29,174 INFO L168 Benchmark]: CACSL2BoogieTranslator took 664.45 ms. Allocated memory was 137.4 MB in the beginning and 200.8 MB in the end (delta: 63.4 MB). Free memory was 100.2 MB in the beginning and 166.0 MB in the end (delta: -65.8 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. [2020-07-08 11:15:29,175 INFO L168 Benchmark]: Boogie Preprocessor took 120.00 ms. Allocated memory is still 200.8 MB. Free memory was 166.0 MB in the beginning and 159.5 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 7.1 GB. [2020-07-08 11:15:29,175 INFO L168 Benchmark]: RCFGBuilder took 1673.70 ms. Allocated memory was 200.8 MB in the beginning and 231.7 MB in the end (delta: 30.9 MB). Free memory was 159.5 MB in the beginning and 91.5 MB in the end (delta: 68.0 MB). Peak memory consumption was 98.9 MB. Max. memory is 7.1 GB. [2020-07-08 11:15:29,176 INFO L168 Benchmark]: TraceAbstraction took 56615.04 ms. Allocated memory was 231.7 MB in the beginning and 780.7 MB in the end (delta: 548.9 MB). Free memory was 91.5 MB in the beginning and 388.4 MB in the end (delta: -296.8 MB). Peak memory consumption was 252.1 MB. Max. memory is 7.1 GB. [2020-07-08 11:15:29,180 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 137.4 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 664.45 ms. Allocated memory was 137.4 MB in the beginning and 200.8 MB in the end (delta: 63.4 MB). Free memory was 100.2 MB in the beginning and 166.0 MB in the end (delta: -65.8 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 120.00 ms. Allocated memory is still 200.8 MB. Free memory was 166.0 MB in the beginning and 159.5 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1673.70 ms. Allocated memory was 200.8 MB in the beginning and 231.7 MB in the end (delta: 30.9 MB). Free memory was 159.5 MB in the beginning and 91.5 MB in the end (delta: 68.0 MB). Peak memory consumption was 98.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 56615.04 ms. Allocated memory was 231.7 MB in the beginning and 780.7 MB in the end (delta: 548.9 MB). Free memory was 91.5 MB in the beginning and 388.4 MB in the end (delta: -296.8 MB). Peak memory consumption was 252.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 870]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L49] int pumpRunning = 0; [L50] int systemActive = 1; [L454] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L652] int waterLevel = 1; [L653] int methaneLevelCritical = 0; [L732] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=172, \old(head)=165, \old(head)=176, \old(methaneLevelCritical)=146, \old(pumpRunning)=139, \old(systemActive)=138, \old(waterLevel)=144, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L808] int retValue_acc ; [L809] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L813] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L814] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L815] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L901] int retValue_acc ; [L904] retValue_acc = 1 [L905] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L815] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L815] tmp = valid_product() [L817] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L819] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L820] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L799] CALL test() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L219] int splverifierCounter ; [L220] int tmp ; [L221] int tmp___0 ; [L222] int tmp___1 ; [L223] int tmp___2 ; [L226] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L228] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L230] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L236] tmp = __VERIFIER_nondet_int() [L238] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, waterLevel=1] [L240] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L670] COND TRUE waterLevel < 2 [L671] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L240] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, waterLevel=2] [L246] tmp___0 = __VERIFIER_nondet_int() [L248] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, tmp___0=0, waterLevel=2] [L256] tmp___2 = __VERIFIER_nondet_int() [L258] COND FALSE !(\read(tmp___2)) [L262] tmp___1 = __VERIFIER_nondet_int() [L264] COND TRUE \read(tmp___1) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, tmp___0=0, tmp___1=-2, tmp___2=0, waterLevel=2] [L266] CALL stopSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L203] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L210] systemActive = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L266] RET stopSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=0, tmp=-1, tmp___0=0, tmp___1=-2, tmp___2=0, waterLevel=2] [L273] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L57] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L64] COND FALSE !(\read(systemActive)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L72] CALL __utac_acc__Specification3_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L833] int tmp ; [L834] int tmp___0 ; [L835] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L839] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L691] int retValue_acc ; [L694] retValue_acc = methaneLevelCritical [L695] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2] [L839] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L839] tmp = isMethaneLevelCritical() [L841] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, waterLevel=2] [L845] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L723] int retValue_acc ; [L726] retValue_acc = waterLevel [L727] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=0, waterLevel=2] [L845] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, waterLevel=2] [L845] tmp___0 = getWaterLevel() [L847] COND TRUE tmp___0 == 2 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, waterLevel=2] [L849] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L155] int retValue_acc ; [L158] retValue_acc = pumpRunning [L159] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2] [L849] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, waterLevel=2] [L849] tmp___1 = isPumpRunning() [L851] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L855] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L870] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 220 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 56.2s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 43.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 412 SDtfs, 578 SDslu, 330 SDs, 0 SdLazy, 1657 SolverSat, 352 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 102 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 4.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=429occurred 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: 9.3s AutomataMinimizationTime, 4 MinimizatonAttempts, 174 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 292 NumberOfCodeBlocks, 292 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 221 ConstructedInterpolants, 0 QuantifiedInterpolants, 61524 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...