/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_product07.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-46f3038-m [2020-07-08 11:13:10,871 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-08 11:13:10,873 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-08 11:13:10,890 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-08 11:13:10,890 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-08 11:13:10,892 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-08 11:13:10,894 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-08 11:13:10,904 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-08 11:13:10,907 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-08 11:13:10,909 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-08 11:13:10,911 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-08 11:13:10,913 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-08 11:13:10,913 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-08 11:13:10,915 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-08 11:13:10,917 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-08 11:13:10,918 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-08 11:13:10,919 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-08 11:13:10,920 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-08 11:13:10,921 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-08 11:13:10,926 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-08 11:13:10,930 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-08 11:13:10,934 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-08 11:13:10,934 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-08 11:13:10,935 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-08 11:13:10,937 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-08 11:13:10,937 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-08 11:13:10,938 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-08 11:13:10,940 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-08 11:13:10,940 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-08 11:13:10,942 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-08 11:13:10,942 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-08 11:13:10,943 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-08 11:13:10,944 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-08 11:13:10,944 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-08 11:13:10,945 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-08 11:13:10,946 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-08 11:13:10,946 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-08 11:13:10,946 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-08 11:13:10,947 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-08 11:13:10,947 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-08 11:13:10,948 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-08 11:13:10,949 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 11:13:10,984 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-08 11:13:10,984 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-08 11:13:10,989 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-08 11:13:10,989 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-08 11:13:10,989 INFO L138 SettingsManager]: * Use SBE=true [2020-07-08 11:13:10,990 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-08 11:13:10,990 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-08 11:13:10,990 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-08 11:13:10,990 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-08 11:13:10,990 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-08 11:13:10,991 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-08 11:13:10,991 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-08 11:13:10,991 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-08 11:13:10,991 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-08 11:13:10,991 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-08 11:13:10,991 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-08 11:13:10,992 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-08 11:13:10,992 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-08 11:13:10,992 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-08 11:13:10,992 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-08 11:13:10,992 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-08 11:13:10,993 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-08 11:13:10,993 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-08 11:13:10,993 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-08 11:13:10,993 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-08 11:13:10,993 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-08 11:13:10,993 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-08 11:13:10,994 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-08 11:13:10,994 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-08 11:13:10,994 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-08 11:13:11,261 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-08 11:13:11,275 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-08 11:13:11,279 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-08 11:13:11,280 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-08 11:13:11,281 INFO L275 PluginConnector]: CDTParser initialized [2020-07-08 11:13:11,281 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product07.cil.c [2020-07-08 11:13:11,353 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46db14762/2384dc7393a9479d94c1b42bbf809bd2/FLAG17f496432 [2020-07-08 11:13:11,857 INFO L306 CDTParser]: Found 1 translation units. [2020-07-08 11:13:11,861 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product07.cil.c [2020-07-08 11:13:11,883 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46db14762/2384dc7393a9479d94c1b42bbf809bd2/FLAG17f496432 [2020-07-08 11:13:12,146 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46db14762/2384dc7393a9479d94c1b42bbf809bd2 [2020-07-08 11:13:12,156 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-08 11:13:12,157 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-08 11:13:12,158 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-08 11:13:12,159 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-08 11:13:12,162 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-08 11:13:12,163 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 11:13:12" (1/1) ... [2020-07-08 11:13:12,166 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d021259 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:13:12, skipping insertion in model container [2020-07-08 11:13:12,166 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 11:13:12" (1/1) ... [2020-07-08 11:13:12,174 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-08 11:13:12,228 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-08 11:13:12,628 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 11:13:12,640 INFO L203 MainTranslator]: Completed pre-run [2020-07-08 11:13:12,746 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 11:13:12,780 INFO L208 MainTranslator]: Completed translation [2020-07-08 11:13:12,780 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:13:12 WrapperNode [2020-07-08 11:13:12,780 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-08 11:13:12,781 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-08 11:13:12,781 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-08 11:13:12,781 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-08 11:13:12,794 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:13:12" (1/1) ... [2020-07-08 11:13:12,794 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:13:12" (1/1) ... [2020-07-08 11:13:12,814 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:13:12" (1/1) ... [2020-07-08 11:13:12,815 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:13:12" (1/1) ... [2020-07-08 11:13:12,884 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:13:12" (1/1) ... [2020-07-08 11:13:12,907 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:13:12" (1/1) ... [2020-07-08 11:13:12,912 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:13:12" (1/1) ... [2020-07-08 11:13:12,929 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-08 11:13:12,930 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-08 11:13:12,930 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-08 11:13:12,930 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-08 11:13:12,931 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:13:12" (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 11:13:13,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-08 11:13:13,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-08 11:13:13,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-08 11:13:13,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-08 11:13:13,001 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-08 11:13:13,001 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-08 11:13:13,002 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-08 11:13:13,002 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-08 11:13:13,002 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-08 11:13:13,002 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-08 11:13:13,002 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-08 11:13:13,003 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-08 11:13:13,003 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-08 11:13:13,004 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-08 11:13:13,004 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-08 11:13:13,005 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-08 11:13:13,005 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-08 11:13:13,005 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-08 11:13:13,005 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-08 11:13:13,006 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-07-08 11:13:13,006 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-08 11:13:13,006 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-08 11:13:13,006 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-08 11:13:13,006 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-08 11:13:13,006 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-08 11:13:13,007 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-08 11:13:13,007 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-08 11:13:13,007 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-08 11:13:13,008 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-08 11:13:13,008 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-08 11:13:13,008 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-08 11:13:13,008 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-08 11:13:13,008 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-08 11:13:13,008 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-08 11:13:13,008 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-08 11:13:13,009 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-08 11:13:13,009 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-08 11:13:13,009 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-08 11:13:13,009 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-08 11:13:13,009 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-08 11:13:13,010 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-08 11:13:13,010 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-08 11:13:13,010 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-08 11:13:13,010 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-08 11:13:13,010 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-08 11:13:13,010 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-08 11:13:13,010 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-08 11:13:13,011 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-08 11:13:13,011 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-08 11:13:13,011 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-08 11:13:13,011 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-08 11:13:13,011 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-08 11:13:13,011 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-08 11:13:13,011 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-08 11:13:13,012 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-08 11:13:13,012 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-08 11:13:13,012 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-08 11:13:13,012 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-08 11:13:13,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-08 11:13:13,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-08 11:13:13,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-08 11:13:13,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-08 11:13:13,013 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-08 11:13:13,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-08 11:13:13,013 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-08 11:13:13,013 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-08 11:13:13,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-08 11:13:13,013 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-08 11:13:13,014 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-08 11:13:13,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-08 11:13:13,014 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-08 11:13:13,014 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-08 11:13:13,015 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-08 11:13:13,015 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-08 11:13:13,016 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-07-08 11:13:13,016 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-08 11:13:13,016 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-08 11:13:13,016 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-08 11:13:13,016 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-08 11:13:13,016 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-08 11:13:13,016 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-08 11:13:13,017 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-08 11:13:13,018 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-08 11:13:13,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-08 11:13:13,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-08 11:13:13,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-08 11:13:14,493 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-08 11:13:14,494 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-08 11:13:14,499 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 11:13:14 BoogieIcfgContainer [2020-07-08 11:13:14,499 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-08 11:13:14,501 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-08 11:13:14,501 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-08 11:13:14,505 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-08 11:13:14,505 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.07 11:13:12" (1/3) ... [2020-07-08 11:13:14,506 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67f7f2d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 11:13:14, skipping insertion in model container [2020-07-08 11:13:14,506 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:13:12" (2/3) ... [2020-07-08 11:13:14,507 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67f7f2d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 11:13:14, skipping insertion in model container [2020-07-08 11:13:14,507 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 11:13:14" (3/3) ... [2020-07-08 11:13:14,509 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product07.cil.c [2020-07-08 11:13:14,522 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-08 11:13:14,530 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-08 11:13:14,547 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-08 11:13:14,573 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-08 11:13:14,573 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-08 11:13:14,574 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-08 11:13:14,574 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-08 11:13:14,574 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-08 11:13:14,574 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-08 11:13:14,575 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-08 11:13:14,575 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-08 11:13:14,597 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states. [2020-07-08 11:13:14,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-08 11:13:14,608 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 11:13:14,609 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 11:13:14,609 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 11:13:14,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 11:13:14,616 INFO L82 PathProgramCache]: Analyzing trace with hash -1046284201, now seen corresponding path program 1 times [2020-07-08 11:13:14,626 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-08 11:13:14,627 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175475825] [2020-07-08 11:13:14,627 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 11:13:14,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 11:13:15,426 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-08 11:13:15,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 11:13:15,509 INFO L280 TraceCheckUtils]: 0: Hoare triple {180#(and (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string25.base| |old(#t~string25.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string51.base| |old(#t~string51.base)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#valid| |old(#valid)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(30);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(9);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(21);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(30);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(9);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(21);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(25);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(25);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(13);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(110, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 2 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string47.base, #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 3 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string49.base, #t~string49.offset, 1);call write~init~int(80, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(117, #t~string49.base, 2 + #t~string49.offset, 1);call write~init~int(109, #t~string49.base, 3 + #t~string49.offset, 1);call write~init~int(112, #t~string49.base, 4 + #t~string49.offset, 1);call write~init~int(58, #t~string49.base, 5 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 6 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(110, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 2 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 3 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string55.base, #t~string55.offset, 1);call write~init~int(32, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string57.base, #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 1 + #t~string57.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(13);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(77, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(101, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(116, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(104, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string67.base, #t~string67.offset, 1);call write~init~int(82, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(73, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(84, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 4 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(75, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {157#true} is VALID [2020-07-08 11:13:15,510 INFO L280 TraceCheckUtils]: 1: Hoare triple {157#true} assume true; {157#true} is VALID [2020-07-08 11:13:15,510 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {157#true} {157#true} #483#return; {157#true} is VALID [2020-07-08 11:13:15,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 11:13:15,520 INFO L280 TraceCheckUtils]: 0: Hoare triple {157#true} assume true; {157#true} is VALID [2020-07-08 11:13:15,521 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {157#true} {157#true} #395#return; {157#true} is VALID [2020-07-08 11:13:15,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 11:13:15,524 INFO L280 TraceCheckUtils]: 0: Hoare triple {157#true} assume true; {157#true} is VALID [2020-07-08 11:13:15,525 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {157#true} {157#true} #397#return; {157#true} is VALID [2020-07-08 11:13:15,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 11:13:15,530 INFO L280 TraceCheckUtils]: 0: Hoare triple {157#true} havoc ~retValue_acc~1;~retValue_acc~1 := 1;#res := ~retValue_acc~1; {157#true} is VALID [2020-07-08 11:13:15,531 INFO L280 TraceCheckUtils]: 1: Hoare triple {157#true} assume true; {157#true} is VALID [2020-07-08 11:13:15,531 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {157#true} {157#true} #399#return; {157#true} is VALID [2020-07-08 11:13:15,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 11:13:15,536 INFO L280 TraceCheckUtils]: 0: Hoare triple {157#true} assume true; {157#true} is VALID [2020-07-08 11:13:15,536 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {157#true} {157#true} #401#return; {157#true} is VALID [2020-07-08 11:13:15,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 11:13:15,545 INFO L280 TraceCheckUtils]: 0: Hoare triple {157#true} havoc ~retValue_acc~8;~retValue_acc~8 := ~methaneLevelCritical~0;#res := ~retValue_acc~8; {157#true} is VALID [2020-07-08 11:13:15,546 INFO L280 TraceCheckUtils]: 1: Hoare triple {157#true} assume true; {157#true} is VALID [2020-07-08 11:13:15,546 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {157#true} {158#false} #475#return; {158#false} is VALID [2020-07-08 11:13:15,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 11:13:15,553 INFO L280 TraceCheckUtils]: 0: Hoare triple {157#true} havoc ~retValue_acc~9;~retValue_acc~9 := ~waterLevel~0;#res := ~retValue_acc~9; {157#true} is VALID [2020-07-08 11:13:15,553 INFO L280 TraceCheckUtils]: 1: Hoare triple {157#true} assume true; {157#true} is VALID [2020-07-08 11:13:15,554 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {157#true} {158#false} #477#return; {158#false} is VALID [2020-07-08 11:13:15,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 11:13:15,559 INFO L280 TraceCheckUtils]: 0: Hoare triple {157#true} havoc ~retValue_acc~7;~retValue_acc~7 := ~pumpRunning~0;#res := ~retValue_acc~7; {157#true} is VALID [2020-07-08 11:13:15,559 INFO L280 TraceCheckUtils]: 1: Hoare triple {157#true} assume true; {157#true} is VALID [2020-07-08 11:13:15,560 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {157#true} {158#false} #479#return; {158#false} is VALID [2020-07-08 11:13:15,566 INFO L263 TraceCheckUtils]: 0: Hoare triple {157#true} call ULTIMATE.init(); {180#(and (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string25.base| |old(#t~string25.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string51.base| |old(#t~string51.base)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#valid| |old(#valid)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|))} is VALID [2020-07-08 11:13:15,567 INFO L280 TraceCheckUtils]: 1: Hoare triple {180#(and (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string25.base| |old(#t~string25.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string51.base| |old(#t~string51.base)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#valid| |old(#valid)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(30);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(9);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(21);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(30);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(9);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(21);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(25);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(25);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(13);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(110, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 2 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string47.base, #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 3 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string49.base, #t~string49.offset, 1);call write~init~int(80, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(117, #t~string49.base, 2 + #t~string49.offset, 1);call write~init~int(109, #t~string49.base, 3 + #t~string49.offset, 1);call write~init~int(112, #t~string49.base, 4 + #t~string49.offset, 1);call write~init~int(58, #t~string49.base, 5 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 6 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(110, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 2 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 3 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string55.base, #t~string55.offset, 1);call write~init~int(32, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string57.base, #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 1 + #t~string57.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(13);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(77, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(101, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(116, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(104, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string67.base, #t~string67.offset, 1);call write~init~int(82, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(73, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(84, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 4 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(75, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {157#true} is VALID [2020-07-08 11:13:15,567 INFO L280 TraceCheckUtils]: 2: Hoare triple {157#true} assume true; {157#true} is VALID [2020-07-08 11:13:15,567 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {157#true} {157#true} #483#return; {157#true} is VALID [2020-07-08 11:13:15,568 INFO L263 TraceCheckUtils]: 4: Hoare triple {157#true} call #t~ret72 := main(); {157#true} is VALID [2020-07-08 11:13:15,568 INFO L280 TraceCheckUtils]: 5: Hoare triple {157#true} havoc ~retValue_acc~2;havoc ~tmp~0; {157#true} is VALID [2020-07-08 11:13:15,568 INFO L263 TraceCheckUtils]: 6: Hoare triple {157#true} call select_helpers(); {157#true} is VALID [2020-07-08 11:13:15,568 INFO L280 TraceCheckUtils]: 7: Hoare triple {157#true} assume true; {157#true} is VALID [2020-07-08 11:13:15,569 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {157#true} {157#true} #395#return; {157#true} is VALID [2020-07-08 11:13:15,569 INFO L263 TraceCheckUtils]: 9: Hoare triple {157#true} call select_features(); {157#true} is VALID [2020-07-08 11:13:15,569 INFO L280 TraceCheckUtils]: 10: Hoare triple {157#true} assume true; {157#true} is VALID [2020-07-08 11:13:15,570 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {157#true} {157#true} #397#return; {157#true} is VALID [2020-07-08 11:13:15,570 INFO L263 TraceCheckUtils]: 12: Hoare triple {157#true} call #t~ret1 := valid_product(); {157#true} is VALID [2020-07-08 11:13:15,570 INFO L280 TraceCheckUtils]: 13: Hoare triple {157#true} havoc ~retValue_acc~1;~retValue_acc~1 := 1;#res := ~retValue_acc~1; {157#true} is VALID [2020-07-08 11:13:15,570 INFO L280 TraceCheckUtils]: 14: Hoare triple {157#true} assume true; {157#true} is VALID [2020-07-08 11:13:15,571 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {157#true} {157#true} #399#return; {157#true} is VALID [2020-07-08 11:13:15,571 INFO L280 TraceCheckUtils]: 16: Hoare triple {157#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;~tmp~0 := #t~ret1;havoc #t~ret1; {157#true} is VALID [2020-07-08 11:13:15,571 INFO L280 TraceCheckUtils]: 17: Hoare triple {157#true} assume 0 != ~tmp~0; {157#true} is VALID [2020-07-08 11:13:15,572 INFO L263 TraceCheckUtils]: 18: Hoare triple {157#true} call setup(); {157#true} is VALID [2020-07-08 11:13:15,572 INFO L280 TraceCheckUtils]: 19: Hoare triple {157#true} assume true; {157#true} is VALID [2020-07-08 11:13:15,572 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {157#true} {157#true} #401#return; {157#true} is VALID [2020-07-08 11:13:15,573 INFO L263 TraceCheckUtils]: 21: Hoare triple {157#true} call runTest(); {157#true} is VALID [2020-07-08 11:13:15,573 INFO L263 TraceCheckUtils]: 22: Hoare triple {157#true} call test(); {157#true} is VALID [2020-07-08 11:13:15,573 INFO L280 TraceCheckUtils]: 23: Hoare triple {157#true} havoc ~splverifierCounter~0;havoc ~tmp~6;havoc ~tmp___0~1;havoc ~tmp___1~1;havoc ~tmp___2~0;~splverifierCounter~0 := 0; {157#true} is VALID [2020-07-08 11:13:15,574 INFO L280 TraceCheckUtils]: 24: Hoare triple {157#true} assume !true; {158#false} is VALID [2020-07-08 11:13:15,575 INFO L263 TraceCheckUtils]: 25: Hoare triple {158#false} call cleanup(); {158#false} is VALID [2020-07-08 11:13:15,575 INFO L280 TraceCheckUtils]: 26: Hoare triple {158#false} havoc ~i~0;havoc ~__cil_tmp2~0; {158#false} is VALID [2020-07-08 11:13:15,575 INFO L263 TraceCheckUtils]: 27: Hoare triple {158#false} call timeShift(); {158#false} is VALID [2020-07-08 11:13:15,576 INFO L280 TraceCheckUtils]: 28: Hoare triple {158#false} assume !(0 != ~pumpRunning~0); {158#false} is VALID [2020-07-08 11:13:15,576 INFO L280 TraceCheckUtils]: 29: Hoare triple {158#false} assume !(0 != ~systemActive~0); {158#false} is VALID [2020-07-08 11:13:15,576 INFO L263 TraceCheckUtils]: 30: Hoare triple {158#false} call __utac_acc__Specification3_spec__1(); {158#false} is VALID [2020-07-08 11:13:15,577 INFO L280 TraceCheckUtils]: 31: Hoare triple {158#false} havoc ~tmp~4;havoc ~tmp___0~0;havoc ~tmp___1~0; {158#false} is VALID [2020-07-08 11:13:15,577 INFO L263 TraceCheckUtils]: 32: Hoare triple {158#false} call #t~ret37 := isMethaneLevelCritical(); {157#true} is VALID [2020-07-08 11:13:15,577 INFO L280 TraceCheckUtils]: 33: Hoare triple {157#true} havoc ~retValue_acc~8;~retValue_acc~8 := ~methaneLevelCritical~0;#res := ~retValue_acc~8; {157#true} is VALID [2020-07-08 11:13:15,578 INFO L280 TraceCheckUtils]: 34: Hoare triple {157#true} assume true; {157#true} is VALID [2020-07-08 11:13:15,578 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {157#true} {158#false} #475#return; {158#false} is VALID [2020-07-08 11:13:15,578 INFO L280 TraceCheckUtils]: 36: Hoare triple {158#false} assume -2147483648 <= #t~ret37 && #t~ret37 <= 2147483647;~tmp~4 := #t~ret37;havoc #t~ret37; {158#false} is VALID [2020-07-08 11:13:15,578 INFO L280 TraceCheckUtils]: 37: Hoare triple {158#false} assume !(0 != ~tmp~4); {158#false} is VALID [2020-07-08 11:13:15,579 INFO L263 TraceCheckUtils]: 38: Hoare triple {158#false} call #t~ret38 := getWaterLevel(); {157#true} is VALID [2020-07-08 11:13:15,579 INFO L280 TraceCheckUtils]: 39: Hoare triple {157#true} havoc ~retValue_acc~9;~retValue_acc~9 := ~waterLevel~0;#res := ~retValue_acc~9; {157#true} is VALID [2020-07-08 11:13:15,579 INFO L280 TraceCheckUtils]: 40: Hoare triple {157#true} assume true; {157#true} is VALID [2020-07-08 11:13:15,580 INFO L275 TraceCheckUtils]: 41: Hoare quadruple {157#true} {158#false} #477#return; {158#false} is VALID [2020-07-08 11:13:15,580 INFO L280 TraceCheckUtils]: 42: Hoare triple {158#false} assume -2147483648 <= #t~ret38 && #t~ret38 <= 2147483647;~tmp___0~0 := #t~ret38;havoc #t~ret38; {158#false} is VALID [2020-07-08 11:13:15,580 INFO L280 TraceCheckUtils]: 43: Hoare triple {158#false} assume 2 == ~tmp___0~0; {158#false} is VALID [2020-07-08 11:13:15,581 INFO L263 TraceCheckUtils]: 44: Hoare triple {158#false} call #t~ret39 := isPumpRunning(); {157#true} is VALID [2020-07-08 11:13:15,581 INFO L280 TraceCheckUtils]: 45: Hoare triple {157#true} havoc ~retValue_acc~7;~retValue_acc~7 := ~pumpRunning~0;#res := ~retValue_acc~7; {157#true} is VALID [2020-07-08 11:13:15,581 INFO L280 TraceCheckUtils]: 46: Hoare triple {157#true} assume true; {157#true} is VALID [2020-07-08 11:13:15,582 INFO L275 TraceCheckUtils]: 47: Hoare quadruple {157#true} {158#false} #479#return; {158#false} is VALID [2020-07-08 11:13:15,582 INFO L280 TraceCheckUtils]: 48: Hoare triple {158#false} assume -2147483648 <= #t~ret39 && #t~ret39 <= 2147483647;~tmp___1~0 := #t~ret39;havoc #t~ret39; {158#false} is VALID [2020-07-08 11:13:15,582 INFO L280 TraceCheckUtils]: 49: Hoare triple {158#false} assume !(0 != ~tmp___1~0); {158#false} is VALID [2020-07-08 11:13:15,583 INFO L263 TraceCheckUtils]: 50: Hoare triple {158#false} call __automaton_fail(); {158#false} is VALID [2020-07-08 11:13:15,583 INFO L280 TraceCheckUtils]: 51: Hoare triple {158#false} assume !false; {158#false} is VALID [2020-07-08 11:13:15,591 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 11:13:15,591 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175475825] [2020-07-08 11:13:15,592 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 11:13:15,592 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-08 11:13:15,593 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178081089] [2020-07-08 11:13:15,599 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-08 11:13:15,602 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 11:13:15,606 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-08 11:13:15,697 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 11:13:15,697 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-08 11:13:15,697 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-08 11:13:15,706 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-08 11:13:15,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-08 11:13:15,709 INFO L87 Difference]: Start difference. First operand 154 states. Second operand 3 states. [2020-07-08 11:13:19,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 11:13:19,660 INFO L93 Difference]: Finished difference Result 263 states and 350 transitions. [2020-07-08 11:13:19,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-08 11:13:19,660 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-08 11:13:19,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 11:13:19,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-08 11:13:19,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 350 transitions. [2020-07-08 11:13:19,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-08 11:13:19,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 350 transitions. [2020-07-08 11:13:19,736 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 350 transitions. [2020-07-08 11:13:20,879 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 11:13:20,901 INFO L225 Difference]: With dead ends: 263 [2020-07-08 11:13:20,901 INFO L226 Difference]: Without dead ends: 143 [2020-07-08 11:13:20,905 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 11:13:20,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2020-07-08 11:13:22,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 111. [2020-07-08 11:13:22,250 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 11:13:22,251 INFO L82 GeneralOperation]: Start isEquivalent. First operand 143 states. Second operand 111 states. [2020-07-08 11:13:22,252 INFO L74 IsIncluded]: Start isIncluded. First operand 143 states. Second operand 111 states. [2020-07-08 11:13:22,252 INFO L87 Difference]: Start difference. First operand 143 states. Second operand 111 states. [2020-07-08 11:13:22,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 11:13:22,281 INFO L93 Difference]: Finished difference Result 143 states and 182 transitions. [2020-07-08 11:13:22,281 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 182 transitions. [2020-07-08 11:13:22,287 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 11:13:22,287 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 11:13:22,287 INFO L74 IsIncluded]: Start isIncluded. First operand 111 states. Second operand 143 states. [2020-07-08 11:13:22,288 INFO L87 Difference]: Start difference. First operand 111 states. Second operand 143 states. [2020-07-08 11:13:22,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 11:13:22,312 INFO L93 Difference]: Finished difference Result 143 states and 182 transitions. [2020-07-08 11:13:22,312 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 182 transitions. [2020-07-08 11:13:22,317 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 11:13:22,318 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 11:13:22,318 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 11:13:22,321 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 11:13:22,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-07-08 11:13:22,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 131 transitions. [2020-07-08 11:13:22,331 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 131 transitions. Word has length 52 [2020-07-08 11:13:22,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 11:13:22,331 INFO L479 AbstractCegarLoop]: Abstraction has 111 states and 131 transitions. [2020-07-08 11:13:22,331 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-08 11:13:22,332 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 131 transitions. [2020-07-08 11:13:22,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-07-08 11:13:22,335 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 11:13:22,335 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 11:13:22,335 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-08 11:13:22,335 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 11:13:22,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 11:13:22,336 INFO L82 PathProgramCache]: Analyzing trace with hash 1021968907, now seen corresponding path program 1 times [2020-07-08 11:13:22,336 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-08 11:13:22,337 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865786390] [2020-07-08 11:13:22,339 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 11:13:22,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 11:13:22,718 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-08 11:13:22,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 11:13:22,788 INFO L280 TraceCheckUtils]: 0: Hoare triple {1021#(and (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string25.base| |old(#t~string25.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string51.base| |old(#t~string51.base)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#valid| |old(#valid)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(30);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(9);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(21);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(30);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(9);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(21);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(25);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(25);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(13);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(110, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 2 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string47.base, #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 3 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string49.base, #t~string49.offset, 1);call write~init~int(80, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(117, #t~string49.base, 2 + #t~string49.offset, 1);call write~init~int(109, #t~string49.base, 3 + #t~string49.offset, 1);call write~init~int(112, #t~string49.base, 4 + #t~string49.offset, 1);call write~init~int(58, #t~string49.base, 5 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 6 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(110, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 2 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 3 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string55.base, #t~string55.offset, 1);call write~init~int(32, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string57.base, #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 1 + #t~string57.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(13);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(77, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(101, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(116, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(104, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string67.base, #t~string67.offset, 1);call write~init~int(82, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(73, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(84, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 4 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(75, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {997#true} is VALID [2020-07-08 11:13:22,789 INFO L280 TraceCheckUtils]: 1: Hoare triple {997#true} assume true; {997#true} is VALID [2020-07-08 11:13:22,789 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {997#true} {997#true} #483#return; {997#true} is VALID [2020-07-08 11:13:22,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 11:13:22,797 INFO L280 TraceCheckUtils]: 0: Hoare triple {997#true} assume true; {997#true} is VALID [2020-07-08 11:13:22,797 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {997#true} {997#true} #395#return; {997#true} is VALID [2020-07-08 11:13:22,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 11:13:22,801 INFO L280 TraceCheckUtils]: 0: Hoare triple {997#true} assume true; {997#true} is VALID [2020-07-08 11:13:22,802 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {997#true} {997#true} #397#return; {997#true} is VALID [2020-07-08 11:13:22,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 11:13:22,809 INFO L280 TraceCheckUtils]: 0: Hoare triple {997#true} havoc ~retValue_acc~1;~retValue_acc~1 := 1;#res := ~retValue_acc~1; {997#true} is VALID [2020-07-08 11:13:22,809 INFO L280 TraceCheckUtils]: 1: Hoare triple {997#true} assume true; {997#true} is VALID [2020-07-08 11:13:22,809 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {997#true} {997#true} #399#return; {997#true} is VALID [2020-07-08 11:13:22,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 11:13:22,812 INFO L280 TraceCheckUtils]: 0: Hoare triple {997#true} assume true; {997#true} is VALID [2020-07-08 11:13:22,813 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {997#true} {997#true} #401#return; {997#true} is VALID [2020-07-08 11:13:22,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 11:13:22,816 INFO L280 TraceCheckUtils]: 0: Hoare triple {997#true} havoc ~retValue_acc~8;~retValue_acc~8 := ~methaneLevelCritical~0;#res := ~retValue_acc~8; {997#true} is VALID [2020-07-08 11:13:22,816 INFO L280 TraceCheckUtils]: 1: Hoare triple {997#true} assume true; {997#true} is VALID [2020-07-08 11:13:22,817 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {997#true} {998#false} #475#return; {998#false} is VALID [2020-07-08 11:13:22,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 11:13:22,820 INFO L280 TraceCheckUtils]: 0: Hoare triple {997#true} havoc ~retValue_acc~9;~retValue_acc~9 := ~waterLevel~0;#res := ~retValue_acc~9; {997#true} is VALID [2020-07-08 11:13:22,820 INFO L280 TraceCheckUtils]: 1: Hoare triple {997#true} assume true; {997#true} is VALID [2020-07-08 11:13:22,820 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {997#true} {998#false} #477#return; {998#false} is VALID [2020-07-08 11:13:22,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 11:13:22,824 INFO L280 TraceCheckUtils]: 0: Hoare triple {997#true} havoc ~retValue_acc~7;~retValue_acc~7 := ~pumpRunning~0;#res := ~retValue_acc~7; {997#true} is VALID [2020-07-08 11:13:22,824 INFO L280 TraceCheckUtils]: 1: Hoare triple {997#true} assume true; {997#true} is VALID [2020-07-08 11:13:22,825 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {997#true} {998#false} #479#return; {998#false} is VALID [2020-07-08 11:13:22,829 INFO L263 TraceCheckUtils]: 0: Hoare triple {997#true} call ULTIMATE.init(); {1021#(and (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string25.base| |old(#t~string25.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string51.base| |old(#t~string51.base)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#valid| |old(#valid)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|))} is VALID [2020-07-08 11:13:22,830 INFO L280 TraceCheckUtils]: 1: Hoare triple {1021#(and (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string25.base| |old(#t~string25.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string51.base| |old(#t~string51.base)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#valid| |old(#valid)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(30);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(9);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(21);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(30);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(9);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(21);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(25);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(25);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(13);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(110, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 2 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string47.base, #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 3 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string49.base, #t~string49.offset, 1);call write~init~int(80, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(117, #t~string49.base, 2 + #t~string49.offset, 1);call write~init~int(109, #t~string49.base, 3 + #t~string49.offset, 1);call write~init~int(112, #t~string49.base, 4 + #t~string49.offset, 1);call write~init~int(58, #t~string49.base, 5 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 6 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(110, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 2 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 3 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string55.base, #t~string55.offset, 1);call write~init~int(32, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string57.base, #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 1 + #t~string57.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(13);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(77, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(101, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(116, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(104, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string67.base, #t~string67.offset, 1);call write~init~int(82, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(73, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(84, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 4 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(75, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {997#true} is VALID [2020-07-08 11:13:22,830 INFO L280 TraceCheckUtils]: 2: Hoare triple {997#true} assume true; {997#true} is VALID [2020-07-08 11:13:22,830 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {997#true} {997#true} #483#return; {997#true} is VALID [2020-07-08 11:13:22,831 INFO L263 TraceCheckUtils]: 4: Hoare triple {997#true} call #t~ret72 := main(); {997#true} is VALID [2020-07-08 11:13:22,831 INFO L280 TraceCheckUtils]: 5: Hoare triple {997#true} havoc ~retValue_acc~2;havoc ~tmp~0; {997#true} is VALID [2020-07-08 11:13:22,831 INFO L263 TraceCheckUtils]: 6: Hoare triple {997#true} call select_helpers(); {997#true} is VALID [2020-07-08 11:13:22,831 INFO L280 TraceCheckUtils]: 7: Hoare triple {997#true} assume true; {997#true} is VALID [2020-07-08 11:13:22,832 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {997#true} {997#true} #395#return; {997#true} is VALID [2020-07-08 11:13:22,832 INFO L263 TraceCheckUtils]: 9: Hoare triple {997#true} call select_features(); {997#true} is VALID [2020-07-08 11:13:22,832 INFO L280 TraceCheckUtils]: 10: Hoare triple {997#true} assume true; {997#true} is VALID [2020-07-08 11:13:22,833 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {997#true} {997#true} #397#return; {997#true} is VALID [2020-07-08 11:13:22,833 INFO L263 TraceCheckUtils]: 12: Hoare triple {997#true} call #t~ret1 := valid_product(); {997#true} is VALID [2020-07-08 11:13:22,833 INFO L280 TraceCheckUtils]: 13: Hoare triple {997#true} havoc ~retValue_acc~1;~retValue_acc~1 := 1;#res := ~retValue_acc~1; {997#true} is VALID [2020-07-08 11:13:22,833 INFO L280 TraceCheckUtils]: 14: Hoare triple {997#true} assume true; {997#true} is VALID [2020-07-08 11:13:22,834 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {997#true} {997#true} #399#return; {997#true} is VALID [2020-07-08 11:13:22,834 INFO L280 TraceCheckUtils]: 16: Hoare triple {997#true} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;~tmp~0 := #t~ret1;havoc #t~ret1; {997#true} is VALID [2020-07-08 11:13:22,834 INFO L280 TraceCheckUtils]: 17: Hoare triple {997#true} assume 0 != ~tmp~0; {997#true} is VALID [2020-07-08 11:13:22,835 INFO L263 TraceCheckUtils]: 18: Hoare triple {997#true} call setup(); {997#true} is VALID [2020-07-08 11:13:22,835 INFO L280 TraceCheckUtils]: 19: Hoare triple {997#true} assume true; {997#true} is VALID [2020-07-08 11:13:22,835 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {997#true} {997#true} #401#return; {997#true} is VALID [2020-07-08 11:13:22,835 INFO L263 TraceCheckUtils]: 21: Hoare triple {997#true} call runTest(); {997#true} is VALID [2020-07-08 11:13:22,836 INFO L263 TraceCheckUtils]: 22: Hoare triple {997#true} call test(); {997#true} is VALID [2020-07-08 11:13:22,837 INFO L280 TraceCheckUtils]: 23: Hoare triple {997#true} havoc ~splverifierCounter~0;havoc ~tmp~6;havoc ~tmp___0~1;havoc ~tmp___1~1;havoc ~tmp___2~0;~splverifierCounter~0 := 0; {1011#(= 0 test_~splverifierCounter~0)} is VALID [2020-07-08 11:13:22,838 INFO L280 TraceCheckUtils]: 24: Hoare triple {1011#(= 0 test_~splverifierCounter~0)} assume !false; {1011#(= 0 test_~splverifierCounter~0)} is VALID [2020-07-08 11:13:22,838 INFO L280 TraceCheckUtils]: 25: Hoare triple {1011#(= 0 test_~splverifierCounter~0)} assume !(~splverifierCounter~0 < 4); {998#false} is VALID [2020-07-08 11:13:22,839 INFO L263 TraceCheckUtils]: 26: Hoare triple {998#false} call cleanup(); {998#false} is VALID [2020-07-08 11:13:22,839 INFO L280 TraceCheckUtils]: 27: Hoare triple {998#false} havoc ~i~0;havoc ~__cil_tmp2~0; {998#false} is VALID [2020-07-08 11:13:22,839 INFO L263 TraceCheckUtils]: 28: Hoare triple {998#false} call timeShift(); {998#false} is VALID [2020-07-08 11:13:22,839 INFO L280 TraceCheckUtils]: 29: Hoare triple {998#false} assume !(0 != ~pumpRunning~0); {998#false} is VALID [2020-07-08 11:13:22,840 INFO L280 TraceCheckUtils]: 30: Hoare triple {998#false} assume !(0 != ~systemActive~0); {998#false} is VALID [2020-07-08 11:13:22,840 INFO L263 TraceCheckUtils]: 31: Hoare triple {998#false} call __utac_acc__Specification3_spec__1(); {998#false} is VALID [2020-07-08 11:13:22,840 INFO L280 TraceCheckUtils]: 32: Hoare triple {998#false} havoc ~tmp~4;havoc ~tmp___0~0;havoc ~tmp___1~0; {998#false} is VALID [2020-07-08 11:13:22,841 INFO L263 TraceCheckUtils]: 33: Hoare triple {998#false} call #t~ret37 := isMethaneLevelCritical(); {997#true} is VALID [2020-07-08 11:13:22,841 INFO L280 TraceCheckUtils]: 34: Hoare triple {997#true} havoc ~retValue_acc~8;~retValue_acc~8 := ~methaneLevelCritical~0;#res := ~retValue_acc~8; {997#true} is VALID [2020-07-08 11:13:22,841 INFO L280 TraceCheckUtils]: 35: Hoare triple {997#true} assume true; {997#true} is VALID [2020-07-08 11:13:22,841 INFO L275 TraceCheckUtils]: 36: Hoare quadruple {997#true} {998#false} #475#return; {998#false} is VALID [2020-07-08 11:13:22,842 INFO L280 TraceCheckUtils]: 37: Hoare triple {998#false} assume -2147483648 <= #t~ret37 && #t~ret37 <= 2147483647;~tmp~4 := #t~ret37;havoc #t~ret37; {998#false} is VALID [2020-07-08 11:13:22,842 INFO L280 TraceCheckUtils]: 38: Hoare triple {998#false} assume !(0 != ~tmp~4); {998#false} is VALID [2020-07-08 11:13:22,842 INFO L263 TraceCheckUtils]: 39: Hoare triple {998#false} call #t~ret38 := getWaterLevel(); {997#true} is VALID [2020-07-08 11:13:22,842 INFO L280 TraceCheckUtils]: 40: Hoare triple {997#true} havoc ~retValue_acc~9;~retValue_acc~9 := ~waterLevel~0;#res := ~retValue_acc~9; {997#true} is VALID [2020-07-08 11:13:22,843 INFO L280 TraceCheckUtils]: 41: Hoare triple {997#true} assume true; {997#true} is VALID [2020-07-08 11:13:22,843 INFO L275 TraceCheckUtils]: 42: Hoare quadruple {997#true} {998#false} #477#return; {998#false} is VALID [2020-07-08 11:13:22,843 INFO L280 TraceCheckUtils]: 43: Hoare triple {998#false} assume -2147483648 <= #t~ret38 && #t~ret38 <= 2147483647;~tmp___0~0 := #t~ret38;havoc #t~ret38; {998#false} is VALID [2020-07-08 11:13:22,843 INFO L280 TraceCheckUtils]: 44: Hoare triple {998#false} assume 2 == ~tmp___0~0; {998#false} is VALID [2020-07-08 11:13:22,844 INFO L263 TraceCheckUtils]: 45: Hoare triple {998#false} call #t~ret39 := isPumpRunning(); {997#true} is VALID [2020-07-08 11:13:22,844 INFO L280 TraceCheckUtils]: 46: Hoare triple {997#true} havoc ~retValue_acc~7;~retValue_acc~7 := ~pumpRunning~0;#res := ~retValue_acc~7; {997#true} is VALID [2020-07-08 11:13:22,844 INFO L280 TraceCheckUtils]: 47: Hoare triple {997#true} assume true; {997#true} is VALID [2020-07-08 11:13:22,845 INFO L275 TraceCheckUtils]: 48: Hoare quadruple {997#true} {998#false} #479#return; {998#false} is VALID [2020-07-08 11:13:22,845 INFO L280 TraceCheckUtils]: 49: Hoare triple {998#false} assume -2147483648 <= #t~ret39 && #t~ret39 <= 2147483647;~tmp___1~0 := #t~ret39;havoc #t~ret39; {998#false} is VALID [2020-07-08 11:13:22,845 INFO L280 TraceCheckUtils]: 50: Hoare triple {998#false} assume !(0 != ~tmp___1~0); {998#false} is VALID [2020-07-08 11:13:22,845 INFO L263 TraceCheckUtils]: 51: Hoare triple {998#false} call __automaton_fail(); {998#false} is VALID [2020-07-08 11:13:22,846 INFO L280 TraceCheckUtils]: 52: Hoare triple {998#false} assume !false; {998#false} is VALID [2020-07-08 11:13:22,851 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 11:13:22,852 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865786390] [2020-07-08 11:13:22,852 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 11:13:22,852 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-08 11:13:22,852 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860076474] [2020-07-08 11:13:22,854 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2020-07-08 11:13:22,855 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 11:13:22,855 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-08 11:13:22,930 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 11:13:22,930 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-08 11:13:22,931 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-08 11:13:22,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-08 11:13:22,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-08 11:13:22,931 INFO L87 Difference]: Start difference. First operand 111 states and 131 transitions. Second operand 4 states. [2020-07-08 11:13:24,219 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-08 11:13:27,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 11:13:27,107 INFO L93 Difference]: Finished difference Result 190 states and 233 transitions. [2020-07-08 11:13:27,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-08 11:13:27,108 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2020-07-08 11:13:27,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 11:13:27,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-08 11:13:27,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 233 transitions. [2020-07-08 11:13:27,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-08 11:13:27,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 233 transitions. [2020-07-08 11:13:27,126 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 233 transitions. [2020-07-08 11:13:27,904 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 11:13:27,910 INFO L225 Difference]: With dead ends: 190 [2020-07-08 11:13:27,910 INFO L226 Difference]: Without dead ends: 127 [2020-07-08 11:13:27,912 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-08 11:13:27,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2020-07-08 11:13:29,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 102. [2020-07-08 11:13:29,069 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 11:13:29,069 INFO L82 GeneralOperation]: Start isEquivalent. First operand 127 states. Second operand 102 states. [2020-07-08 11:13:29,069 INFO L74 IsIncluded]: Start isIncluded. First operand 127 states. Second operand 102 states. [2020-07-08 11:13:29,069 INFO L87 Difference]: Start difference. First operand 127 states. Second operand 102 states. [2020-07-08 11:13:29,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 11:13:29,077 INFO L93 Difference]: Finished difference Result 127 states and 158 transitions. [2020-07-08 11:13:29,078 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 158 transitions. [2020-07-08 11:13:29,079 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 11:13:29,079 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 11:13:29,079 INFO L74 IsIncluded]: Start isIncluded. First operand 102 states. Second operand 127 states. [2020-07-08 11:13:29,079 INFO L87 Difference]: Start difference. First operand 102 states. Second operand 127 states. [2020-07-08 11:13:29,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 11:13:29,087 INFO L93 Difference]: Finished difference Result 127 states and 158 transitions. [2020-07-08 11:13:29,087 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 158 transitions. [2020-07-08 11:13:29,088 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 11:13:29,088 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 11:13:29,088 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 11:13:29,088 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 11:13:29,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2020-07-08 11:13:29,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 119 transitions. [2020-07-08 11:13:29,093 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 119 transitions. Word has length 53 [2020-07-08 11:13:29,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 11:13:29,094 INFO L479 AbstractCegarLoop]: Abstraction has 102 states and 119 transitions. [2020-07-08 11:13:29,094 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-08 11:13:29,094 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 119 transitions. [2020-07-08 11:13:29,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-08 11:13:29,096 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 11:13:29,096 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 11:13:29,096 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-08 11:13:29,096 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 11:13:29,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 11:13:29,097 INFO L82 PathProgramCache]: Analyzing trace with hash 1636314529, now seen corresponding path program 1 times [2020-07-08 11:13:29,097 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-08 11:13:29,097 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113623231] [2020-07-08 11:13:29,097 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 11:13:29,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 11:13:29,500 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-08 11:13:29,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 11:13:29,578 INFO L280 TraceCheckUtils]: 0: Hoare triple {1728#(and (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string25.base| |old(#t~string25.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string51.base| |old(#t~string51.base)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#valid| |old(#valid)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(30);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(9);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(21);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(30);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(9);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(21);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(25);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(25);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(13);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(110, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 2 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string47.base, #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 3 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string49.base, #t~string49.offset, 1);call write~init~int(80, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(117, #t~string49.base, 2 + #t~string49.offset, 1);call write~init~int(109, #t~string49.base, 3 + #t~string49.offset, 1);call write~init~int(112, #t~string49.base, 4 + #t~string49.offset, 1);call write~init~int(58, #t~string49.base, 5 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 6 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(110, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 2 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 3 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string55.base, #t~string55.offset, 1);call write~init~int(32, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string57.base, #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 1 + #t~string57.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(13);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(77, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(101, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(116, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(104, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string67.base, #t~string67.offset, 1);call write~init~int(82, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(73, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(84, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 4 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(75, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {1706#(= 1 ~systemActive~0)} is VALID [2020-07-08 11:13:29,579 INFO L280 TraceCheckUtils]: 1: Hoare triple {1706#(= 1 ~systemActive~0)} assume true; {1706#(= 1 ~systemActive~0)} is VALID [2020-07-08 11:13:29,579 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1706#(= 1 ~systemActive~0)} {1701#true} #483#return; {1706#(= 1 ~systemActive~0)} is VALID [2020-07-08 11:13:29,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 11:13:29,583 INFO L280 TraceCheckUtils]: 0: Hoare triple {1701#true} assume true; {1701#true} is VALID [2020-07-08 11:13:29,584 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1701#true} {1706#(= 1 ~systemActive~0)} #395#return; {1706#(= 1 ~systemActive~0)} is VALID [2020-07-08 11:13:29,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 11:13:29,587 INFO L280 TraceCheckUtils]: 0: Hoare triple {1701#true} assume true; {1701#true} is VALID [2020-07-08 11:13:29,587 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1701#true} {1706#(= 1 ~systemActive~0)} #397#return; {1706#(= 1 ~systemActive~0)} is VALID [2020-07-08 11:13:29,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 11:13:29,671 INFO L280 TraceCheckUtils]: 0: Hoare triple {1701#true} havoc ~retValue_acc~1;~retValue_acc~1 := 1;#res := ~retValue_acc~1; {1729#(and (<= |valid_product_#res| 1) (< 0 |valid_product_#res|))} is VALID [2020-07-08 11:13:29,671 INFO L280 TraceCheckUtils]: 1: Hoare triple {1729#(and (<= |valid_product_#res| 1) (< 0 |valid_product_#res|))} assume true; {1729#(and (<= |valid_product_#res| 1) (< 0 |valid_product_#res|))} is VALID [2020-07-08 11:13:29,673 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1729#(and (<= |valid_product_#res| 1) (< 0 |valid_product_#res|))} {1706#(= 1 ~systemActive~0)} #399#return; {1714#(= |main_#t~ret1| ~systemActive~0)} is VALID [2020-07-08 11:13:29,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 11:13:29,679 INFO L280 TraceCheckUtils]: 0: Hoare triple {1701#true} assume true; {1701#true} is VALID [2020-07-08 11:13:29,680 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1701#true} {1716#(not (= 0 ~systemActive~0))} #401#return; {1716#(not (= 0 ~systemActive~0))} is VALID [2020-07-08 11:13:29,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 11:13:29,685 INFO L280 TraceCheckUtils]: 0: Hoare triple {1701#true} havoc ~retValue_acc~8;~retValue_acc~8 := ~methaneLevelCritical~0;#res := ~retValue_acc~8; {1701#true} is VALID [2020-07-08 11:13:29,686 INFO L280 TraceCheckUtils]: 1: Hoare triple {1701#true} assume true; {1701#true} is VALID [2020-07-08 11:13:29,686 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1701#true} {1702#false} #475#return; {1702#false} is VALID [2020-07-08 11:13:29,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 11:13:29,690 INFO L280 TraceCheckUtils]: 0: Hoare triple {1701#true} havoc ~retValue_acc~9;~retValue_acc~9 := ~waterLevel~0;#res := ~retValue_acc~9; {1701#true} is VALID [2020-07-08 11:13:29,690 INFO L280 TraceCheckUtils]: 1: Hoare triple {1701#true} assume true; {1701#true} is VALID [2020-07-08 11:13:29,690 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1701#true} {1702#false} #477#return; {1702#false} is VALID [2020-07-08 11:13:29,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 11:13:29,696 INFO L280 TraceCheckUtils]: 0: Hoare triple {1701#true} havoc ~retValue_acc~7;~retValue_acc~7 := ~pumpRunning~0;#res := ~retValue_acc~7; {1701#true} is VALID [2020-07-08 11:13:29,697 INFO L280 TraceCheckUtils]: 1: Hoare triple {1701#true} assume true; {1701#true} is VALID [2020-07-08 11:13:29,697 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1701#true} {1702#false} #479#return; {1702#false} is VALID [2020-07-08 11:13:29,702 INFO L263 TraceCheckUtils]: 0: Hoare triple {1701#true} call ULTIMATE.init(); {1728#(and (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string25.base| |old(#t~string25.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string51.base| |old(#t~string51.base)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#valid| |old(#valid)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|))} is VALID [2020-07-08 11:13:29,707 INFO L280 TraceCheckUtils]: 1: Hoare triple {1728#(and (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string25.base| |old(#t~string25.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string51.base| |old(#t~string51.base)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#valid| |old(#valid)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(30);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(9);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(21);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(30);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(9);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(21);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(25);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(25);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(13);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(110, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 2 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string47.base, #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 3 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string49.base, #t~string49.offset, 1);call write~init~int(80, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(117, #t~string49.base, 2 + #t~string49.offset, 1);call write~init~int(109, #t~string49.base, 3 + #t~string49.offset, 1);call write~init~int(112, #t~string49.base, 4 + #t~string49.offset, 1);call write~init~int(58, #t~string49.base, 5 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 6 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(110, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 2 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 3 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string55.base, #t~string55.offset, 1);call write~init~int(32, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string57.base, #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 1 + #t~string57.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(13);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(77, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(101, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(116, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(104, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string67.base, #t~string67.offset, 1);call write~init~int(82, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(73, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(84, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 4 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(75, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {1706#(= 1 ~systemActive~0)} is VALID [2020-07-08 11:13:29,707 INFO L280 TraceCheckUtils]: 2: Hoare triple {1706#(= 1 ~systemActive~0)} assume true; {1706#(= 1 ~systemActive~0)} is VALID [2020-07-08 11:13:29,708 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {1706#(= 1 ~systemActive~0)} {1701#true} #483#return; {1706#(= 1 ~systemActive~0)} is VALID [2020-07-08 11:13:29,709 INFO L263 TraceCheckUtils]: 4: Hoare triple {1706#(= 1 ~systemActive~0)} call #t~ret72 := main(); {1706#(= 1 ~systemActive~0)} is VALID [2020-07-08 11:13:29,709 INFO L280 TraceCheckUtils]: 5: Hoare triple {1706#(= 1 ~systemActive~0)} havoc ~retValue_acc~2;havoc ~tmp~0; {1706#(= 1 ~systemActive~0)} is VALID [2020-07-08 11:13:29,710 INFO L263 TraceCheckUtils]: 6: Hoare triple {1706#(= 1 ~systemActive~0)} call select_helpers(); {1701#true} is VALID [2020-07-08 11:13:29,710 INFO L280 TraceCheckUtils]: 7: Hoare triple {1701#true} assume true; {1701#true} is VALID [2020-07-08 11:13:29,711 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {1701#true} {1706#(= 1 ~systemActive~0)} #395#return; {1706#(= 1 ~systemActive~0)} is VALID [2020-07-08 11:13:29,711 INFO L263 TraceCheckUtils]: 9: Hoare triple {1706#(= 1 ~systemActive~0)} call select_features(); {1701#true} is VALID [2020-07-08 11:13:29,711 INFO L280 TraceCheckUtils]: 10: Hoare triple {1701#true} assume true; {1701#true} is VALID [2020-07-08 11:13:29,712 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {1701#true} {1706#(= 1 ~systemActive~0)} #397#return; {1706#(= 1 ~systemActive~0)} is VALID [2020-07-08 11:13:29,712 INFO L263 TraceCheckUtils]: 12: Hoare triple {1706#(= 1 ~systemActive~0)} call #t~ret1 := valid_product(); {1701#true} is VALID [2020-07-08 11:13:29,713 INFO L280 TraceCheckUtils]: 13: Hoare triple {1701#true} havoc ~retValue_acc~1;~retValue_acc~1 := 1;#res := ~retValue_acc~1; {1729#(and (<= |valid_product_#res| 1) (< 0 |valid_product_#res|))} is VALID [2020-07-08 11:13:29,713 INFO L280 TraceCheckUtils]: 14: Hoare triple {1729#(and (<= |valid_product_#res| 1) (< 0 |valid_product_#res|))} assume true; {1729#(and (<= |valid_product_#res| 1) (< 0 |valid_product_#res|))} is VALID [2020-07-08 11:13:29,715 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {1729#(and (<= |valid_product_#res| 1) (< 0 |valid_product_#res|))} {1706#(= 1 ~systemActive~0)} #399#return; {1714#(= |main_#t~ret1| ~systemActive~0)} is VALID [2020-07-08 11:13:29,715 INFO L280 TraceCheckUtils]: 16: Hoare triple {1714#(= |main_#t~ret1| ~systemActive~0)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;~tmp~0 := #t~ret1;havoc #t~ret1; {1715#(= main_~tmp~0 ~systemActive~0)} is VALID [2020-07-08 11:13:29,716 INFO L280 TraceCheckUtils]: 17: Hoare triple {1715#(= main_~tmp~0 ~systemActive~0)} assume 0 != ~tmp~0; {1716#(not (= 0 ~systemActive~0))} is VALID [2020-07-08 11:13:29,716 INFO L263 TraceCheckUtils]: 18: Hoare triple {1716#(not (= 0 ~systemActive~0))} call setup(); {1701#true} is VALID [2020-07-08 11:13:29,717 INFO L280 TraceCheckUtils]: 19: Hoare triple {1701#true} assume true; {1701#true} is VALID [2020-07-08 11:13:29,717 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {1701#true} {1716#(not (= 0 ~systemActive~0))} #401#return; {1716#(not (= 0 ~systemActive~0))} is VALID [2020-07-08 11:13:29,718 INFO L263 TraceCheckUtils]: 21: Hoare triple {1716#(not (= 0 ~systemActive~0))} call runTest(); {1716#(not (= 0 ~systemActive~0))} is VALID [2020-07-08 11:13:29,718 INFO L263 TraceCheckUtils]: 22: Hoare triple {1716#(not (= 0 ~systemActive~0))} call test(); {1716#(not (= 0 ~systemActive~0))} is VALID [2020-07-08 11:13:29,719 INFO L280 TraceCheckUtils]: 23: Hoare triple {1716#(not (= 0 ~systemActive~0))} havoc ~splverifierCounter~0;havoc ~tmp~6;havoc ~tmp___0~1;havoc ~tmp___1~1;havoc ~tmp___2~0;~splverifierCounter~0 := 0; {1716#(not (= 0 ~systemActive~0))} is VALID [2020-07-08 11:13:29,720 INFO L280 TraceCheckUtils]: 24: Hoare triple {1716#(not (= 0 ~systemActive~0))} assume !false; {1716#(not (= 0 ~systemActive~0))} is VALID [2020-07-08 11:13:29,720 INFO L280 TraceCheckUtils]: 25: Hoare triple {1716#(not (= 0 ~systemActive~0))} assume ~splverifierCounter~0 < 4; {1716#(not (= 0 ~systemActive~0))} is VALID [2020-07-08 11:13:29,721 INFO L280 TraceCheckUtils]: 26: Hoare triple {1716#(not (= 0 ~systemActive~0))} assume -2147483648 <= #t~nondet58 && #t~nondet58 <= 2147483647;~tmp~6 := #t~nondet58;havoc #t~nondet58; {1716#(not (= 0 ~systemActive~0))} is VALID [2020-07-08 11:13:29,721 INFO L280 TraceCheckUtils]: 27: Hoare triple {1716#(not (= 0 ~systemActive~0))} assume !(0 != ~tmp~6); {1716#(not (= 0 ~systemActive~0))} is VALID [2020-07-08 11:13:29,722 INFO L280 TraceCheckUtils]: 28: Hoare triple {1716#(not (= 0 ~systemActive~0))} assume -2147483648 <= #t~nondet59 && #t~nondet59 <= 2147483647;~tmp___0~1 := #t~nondet59;havoc #t~nondet59; {1716#(not (= 0 ~systemActive~0))} is VALID [2020-07-08 11:13:29,723 INFO L280 TraceCheckUtils]: 29: Hoare triple {1716#(not (= 0 ~systemActive~0))} assume !(0 != ~tmp___0~1); {1716#(not (= 0 ~systemActive~0))} is VALID [2020-07-08 11:13:29,723 INFO L280 TraceCheckUtils]: 30: Hoare triple {1716#(not (= 0 ~systemActive~0))} assume -2147483648 <= #t~nondet60 && #t~nondet60 <= 2147483647;~tmp___2~0 := #t~nondet60;havoc #t~nondet60; {1716#(not (= 0 ~systemActive~0))} is VALID [2020-07-08 11:13:29,724 INFO L280 TraceCheckUtils]: 31: Hoare triple {1716#(not (= 0 ~systemActive~0))} assume 0 != ~tmp___2~0; {1716#(not (= 0 ~systemActive~0))} is VALID [2020-07-08 11:13:29,725 INFO L263 TraceCheckUtils]: 32: Hoare triple {1716#(not (= 0 ~systemActive~0))} call timeShift(); {1716#(not (= 0 ~systemActive~0))} is VALID [2020-07-08 11:13:29,725 INFO L280 TraceCheckUtils]: 33: Hoare triple {1716#(not (= 0 ~systemActive~0))} assume !(0 != ~pumpRunning~0); {1716#(not (= 0 ~systemActive~0))} is VALID [2020-07-08 11:13:29,726 INFO L280 TraceCheckUtils]: 34: Hoare triple {1716#(not (= 0 ~systemActive~0))} assume !(0 != ~systemActive~0); {1702#false} is VALID [2020-07-08 11:13:29,726 INFO L263 TraceCheckUtils]: 35: Hoare triple {1702#false} call __utac_acc__Specification3_spec__1(); {1702#false} is VALID [2020-07-08 11:13:29,726 INFO L280 TraceCheckUtils]: 36: Hoare triple {1702#false} havoc ~tmp~4;havoc ~tmp___0~0;havoc ~tmp___1~0; {1702#false} is VALID [2020-07-08 11:13:29,727 INFO L263 TraceCheckUtils]: 37: Hoare triple {1702#false} call #t~ret37 := isMethaneLevelCritical(); {1701#true} is VALID [2020-07-08 11:13:29,727 INFO L280 TraceCheckUtils]: 38: Hoare triple {1701#true} havoc ~retValue_acc~8;~retValue_acc~8 := ~methaneLevelCritical~0;#res := ~retValue_acc~8; {1701#true} is VALID [2020-07-08 11:13:29,727 INFO L280 TraceCheckUtils]: 39: Hoare triple {1701#true} assume true; {1701#true} is VALID [2020-07-08 11:13:29,727 INFO L275 TraceCheckUtils]: 40: Hoare quadruple {1701#true} {1702#false} #475#return; {1702#false} is VALID [2020-07-08 11:13:29,727 INFO L280 TraceCheckUtils]: 41: Hoare triple {1702#false} assume -2147483648 <= #t~ret37 && #t~ret37 <= 2147483647;~tmp~4 := #t~ret37;havoc #t~ret37; {1702#false} is VALID [2020-07-08 11:13:29,728 INFO L280 TraceCheckUtils]: 42: Hoare triple {1702#false} assume !(0 != ~tmp~4); {1702#false} is VALID [2020-07-08 11:13:29,728 INFO L263 TraceCheckUtils]: 43: Hoare triple {1702#false} call #t~ret38 := getWaterLevel(); {1701#true} is VALID [2020-07-08 11:13:29,728 INFO L280 TraceCheckUtils]: 44: Hoare triple {1701#true} havoc ~retValue_acc~9;~retValue_acc~9 := ~waterLevel~0;#res := ~retValue_acc~9; {1701#true} is VALID [2020-07-08 11:13:29,728 INFO L280 TraceCheckUtils]: 45: Hoare triple {1701#true} assume true; {1701#true} is VALID [2020-07-08 11:13:29,729 INFO L275 TraceCheckUtils]: 46: Hoare quadruple {1701#true} {1702#false} #477#return; {1702#false} is VALID [2020-07-08 11:13:29,729 INFO L280 TraceCheckUtils]: 47: Hoare triple {1702#false} assume -2147483648 <= #t~ret38 && #t~ret38 <= 2147483647;~tmp___0~0 := #t~ret38;havoc #t~ret38; {1702#false} is VALID [2020-07-08 11:13:29,729 INFO L280 TraceCheckUtils]: 48: Hoare triple {1702#false} assume 2 == ~tmp___0~0; {1702#false} is VALID [2020-07-08 11:13:29,729 INFO L263 TraceCheckUtils]: 49: Hoare triple {1702#false} call #t~ret39 := isPumpRunning(); {1701#true} is VALID [2020-07-08 11:13:29,730 INFO L280 TraceCheckUtils]: 50: Hoare triple {1701#true} havoc ~retValue_acc~7;~retValue_acc~7 := ~pumpRunning~0;#res := ~retValue_acc~7; {1701#true} is VALID [2020-07-08 11:13:29,730 INFO L280 TraceCheckUtils]: 51: Hoare triple {1701#true} assume true; {1701#true} is VALID [2020-07-08 11:13:29,730 INFO L275 TraceCheckUtils]: 52: Hoare quadruple {1701#true} {1702#false} #479#return; {1702#false} is VALID [2020-07-08 11:13:29,730 INFO L280 TraceCheckUtils]: 53: Hoare triple {1702#false} assume -2147483648 <= #t~ret39 && #t~ret39 <= 2147483647;~tmp___1~0 := #t~ret39;havoc #t~ret39; {1702#false} is VALID [2020-07-08 11:13:29,730 INFO L280 TraceCheckUtils]: 54: Hoare triple {1702#false} assume !(0 != ~tmp___1~0); {1702#false} is VALID [2020-07-08 11:13:29,731 INFO L263 TraceCheckUtils]: 55: Hoare triple {1702#false} call __automaton_fail(); {1702#false} is VALID [2020-07-08 11:13:29,731 INFO L280 TraceCheckUtils]: 56: Hoare triple {1702#false} assume !false; {1702#false} is VALID [2020-07-08 11:13:29,740 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 11:13:29,740 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113623231] [2020-07-08 11:13:29,741 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 11:13:29,741 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-08 11:13:29,741 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674537131] [2020-07-08 11:13:29,741 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 57 [2020-07-08 11:13:29,742 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 11:13:29,742 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2020-07-08 11:13:29,810 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 11:13:29,810 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-08 11:13:29,810 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-08 11:13:29,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-08 11:13:29,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-08 11:13:29,811 INFO L87 Difference]: Start difference. First operand 102 states and 119 transitions. Second operand 8 states. [2020-07-08 11:13:30,604 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-08 11:13:31,528 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-08 11:13:31,929 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-08 11:13:32,260 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-08 11:13:35,990 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-08 11:13:44,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 11:13:44,229 INFO L93 Difference]: Finished difference Result 360 states and 450 transitions. [2020-07-08 11:13:44,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-08 11:13:44,229 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 57 [2020-07-08 11:13:44,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 11:13:44,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-08 11:13:44,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 450 transitions. [2020-07-08 11:13:44,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-08 11:13:44,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 450 transitions. [2020-07-08 11:13:44,249 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states and 450 transitions. [2020-07-08 11:13:45,795 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 11:13:45,810 INFO L225 Difference]: With dead ends: 360 [2020-07-08 11:13:45,810 INFO L226 Difference]: Without dead ends: 282 [2020-07-08 11:13:45,811 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-07-08 11:13:45,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2020-07-08 11:13:48,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 228. [2020-07-08 11:13:48,326 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 11:13:48,326 INFO L82 GeneralOperation]: Start isEquivalent. First operand 282 states. Second operand 228 states. [2020-07-08 11:13:48,326 INFO L74 IsIncluded]: Start isIncluded. First operand 282 states. Second operand 228 states. [2020-07-08 11:13:48,326 INFO L87 Difference]: Start difference. First operand 282 states. Second operand 228 states. [2020-07-08 11:13:48,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 11:13:48,341 INFO L93 Difference]: Finished difference Result 282 states and 348 transitions. [2020-07-08 11:13:48,342 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 348 transitions. [2020-07-08 11:13:48,343 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 11:13:48,343 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 11:13:48,343 INFO L74 IsIncluded]: Start isIncluded. First operand 228 states. Second operand 282 states. [2020-07-08 11:13:48,344 INFO L87 Difference]: Start difference. First operand 228 states. Second operand 282 states. [2020-07-08 11:13:48,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 11:13:48,358 INFO L93 Difference]: Finished difference Result 282 states and 348 transitions. [2020-07-08 11:13:48,358 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 348 transitions. [2020-07-08 11:13:48,360 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 11:13:48,360 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 11:13:48,360 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 11:13:48,360 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 11:13:48,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2020-07-08 11:13:48,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 277 transitions. [2020-07-08 11:13:48,370 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 277 transitions. Word has length 57 [2020-07-08 11:13:48,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 11:13:48,371 INFO L479 AbstractCegarLoop]: Abstraction has 228 states and 277 transitions. [2020-07-08 11:13:48,371 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-08 11:13:48,371 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 277 transitions. [2020-07-08 11:13:48,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-07-08 11:13:48,373 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 11:13:48,373 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 11:13:48,373 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-08 11:13:48,373 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 11:13:48,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 11:13:48,374 INFO L82 PathProgramCache]: Analyzing trace with hash -384943424, now seen corresponding path program 1 times [2020-07-08 11:13:48,374 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-08 11:13:48,374 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73301446] [2020-07-08 11:13:48,374 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 11:13:48,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 11:13:48,719 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-08 11:13:48,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 11:13:48,798 INFO L280 TraceCheckUtils]: 0: Hoare triple {3168#(and (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string25.base| |old(#t~string25.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string51.base| |old(#t~string51.base)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#valid| |old(#valid)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(30);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(9);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(21);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(30);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(9);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(21);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(25);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(25);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(13);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(110, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 2 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string47.base, #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 3 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string49.base, #t~string49.offset, 1);call write~init~int(80, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(117, #t~string49.base, 2 + #t~string49.offset, 1);call write~init~int(109, #t~string49.base, 3 + #t~string49.offset, 1);call write~init~int(112, #t~string49.base, 4 + #t~string49.offset, 1);call write~init~int(58, #t~string49.base, 5 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 6 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(110, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 2 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 3 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string55.base, #t~string55.offset, 1);call write~init~int(32, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string57.base, #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 1 + #t~string57.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(13);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(77, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(101, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(116, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(104, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string67.base, #t~string67.offset, 1);call write~init~int(82, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(73, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(84, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 4 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(75, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {3143#(= 1 ~waterLevel~0)} is VALID [2020-07-08 11:13:48,799 INFO L280 TraceCheckUtils]: 1: Hoare triple {3143#(= 1 ~waterLevel~0)} assume true; {3143#(= 1 ~waterLevel~0)} is VALID [2020-07-08 11:13:48,800 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {3143#(= 1 ~waterLevel~0)} {3138#true} #483#return; {3143#(= 1 ~waterLevel~0)} is VALID [2020-07-08 11:13:48,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 11:13:48,806 INFO L280 TraceCheckUtils]: 0: Hoare triple {3138#true} assume true; {3138#true} is VALID [2020-07-08 11:13:48,807 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {3138#true} {3143#(= 1 ~waterLevel~0)} #395#return; {3143#(= 1 ~waterLevel~0)} is VALID [2020-07-08 11:13:48,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 11:13:48,818 INFO L280 TraceCheckUtils]: 0: Hoare triple {3138#true} assume true; {3138#true} is VALID [2020-07-08 11:13:48,821 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {3138#true} {3143#(= 1 ~waterLevel~0)} #397#return; {3143#(= 1 ~waterLevel~0)} is VALID [2020-07-08 11:13:48,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 11:13:48,830 INFO L280 TraceCheckUtils]: 0: Hoare triple {3138#true} havoc ~retValue_acc~1;~retValue_acc~1 := 1;#res := ~retValue_acc~1; {3138#true} is VALID [2020-07-08 11:13:48,831 INFO L280 TraceCheckUtils]: 1: Hoare triple {3138#true} assume true; {3138#true} is VALID [2020-07-08 11:13:48,831 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {3138#true} {3143#(= 1 ~waterLevel~0)} #399#return; {3143#(= 1 ~waterLevel~0)} is VALID [2020-07-08 11:13:48,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 11:13:48,836 INFO L280 TraceCheckUtils]: 0: Hoare triple {3138#true} assume true; {3138#true} is VALID [2020-07-08 11:13:48,836 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {3138#true} {3143#(= 1 ~waterLevel~0)} #401#return; {3143#(= 1 ~waterLevel~0)} is VALID [2020-07-08 11:13:48,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 11:13:48,855 INFO L280 TraceCheckUtils]: 0: Hoare triple {3169#(and (= ~systemActive~0 |old(~systemActive~0)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|))} assume !(0 != ~pumpRunning~0); {3138#true} is VALID [2020-07-08 11:13:48,855 INFO L280 TraceCheckUtils]: 1: Hoare triple {3138#true} ~systemActive~0 := 0; {3138#true} is VALID [2020-07-08 11:13:48,855 INFO L280 TraceCheckUtils]: 2: Hoare triple {3138#true} assume true; {3138#true} is VALID [2020-07-08 11:13:48,856 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {3138#true} {3143#(= 1 ~waterLevel~0)} #449#return; {3143#(= 1 ~waterLevel~0)} is VALID [2020-07-08 11:13:48,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 11:13:48,860 INFO L280 TraceCheckUtils]: 0: Hoare triple {3138#true} havoc ~retValue_acc~8;~retValue_acc~8 := ~methaneLevelCritical~0;#res := ~retValue_acc~8; {3138#true} is VALID [2020-07-08 11:13:48,860 INFO L280 TraceCheckUtils]: 1: Hoare triple {3138#true} assume true; {3138#true} is VALID [2020-07-08 11:13:48,864 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {3138#true} {3143#(= 1 ~waterLevel~0)} #475#return; {3143#(= 1 ~waterLevel~0)} is VALID [2020-07-08 11:13:48,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 11:13:48,880 INFO L280 TraceCheckUtils]: 0: Hoare triple {3138#true} havoc ~retValue_acc~9;~retValue_acc~9 := ~waterLevel~0;#res := ~retValue_acc~9; {3170#(= |getWaterLevel_#res| ~waterLevel~0)} is VALID [2020-07-08 11:13:48,881 INFO L280 TraceCheckUtils]: 1: Hoare triple {3170#(= |getWaterLevel_#res| ~waterLevel~0)} assume true; {3170#(= |getWaterLevel_#res| ~waterLevel~0)} is VALID [2020-07-08 11:13:48,882 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {3170#(= |getWaterLevel_#res| ~waterLevel~0)} {3143#(= 1 ~waterLevel~0)} #477#return; {3163#(= 1 |__utac_acc__Specification3_spec__1_#t~ret38|)} is VALID [2020-07-08 11:13:48,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 11:13:48,890 INFO L280 TraceCheckUtils]: 0: Hoare triple {3138#true} havoc ~retValue_acc~7;~retValue_acc~7 := ~pumpRunning~0;#res := ~retValue_acc~7; {3138#true} is VALID [2020-07-08 11:13:48,891 INFO L280 TraceCheckUtils]: 1: Hoare triple {3138#true} assume true; {3138#true} is VALID [2020-07-08 11:13:48,891 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {3138#true} {3139#false} #479#return; {3139#false} is VALID [2020-07-08 11:13:48,895 INFO L263 TraceCheckUtils]: 0: Hoare triple {3138#true} call ULTIMATE.init(); {3168#(and (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string25.base| |old(#t~string25.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string51.base| |old(#t~string51.base)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#valid| |old(#valid)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|))} is VALID [2020-07-08 11:13:48,900 INFO L280 TraceCheckUtils]: 1: Hoare triple {3168#(and (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string25.base| |old(#t~string25.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string51.base| |old(#t~string51.base)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#valid| |old(#valid)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(30);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(9);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(21);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(30);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(9);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(21);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(25);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(25);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(13);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(110, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 2 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string47.base, #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 3 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string49.base, #t~string49.offset, 1);call write~init~int(80, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(117, #t~string49.base, 2 + #t~string49.offset, 1);call write~init~int(109, #t~string49.base, 3 + #t~string49.offset, 1);call write~init~int(112, #t~string49.base, 4 + #t~string49.offset, 1);call write~init~int(58, #t~string49.base, 5 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 6 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(110, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 2 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 3 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string55.base, #t~string55.offset, 1);call write~init~int(32, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string57.base, #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 1 + #t~string57.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(13);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(77, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(101, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(116, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(104, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string67.base, #t~string67.offset, 1);call write~init~int(82, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(73, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(84, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 4 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(75, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {3143#(= 1 ~waterLevel~0)} is VALID [2020-07-08 11:13:48,901 INFO L280 TraceCheckUtils]: 2: Hoare triple {3143#(= 1 ~waterLevel~0)} assume true; {3143#(= 1 ~waterLevel~0)} is VALID [2020-07-08 11:13:48,902 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {3143#(= 1 ~waterLevel~0)} {3138#true} #483#return; {3143#(= 1 ~waterLevel~0)} is VALID [2020-07-08 11:13:48,903 INFO L263 TraceCheckUtils]: 4: Hoare triple {3143#(= 1 ~waterLevel~0)} call #t~ret72 := main(); {3143#(= 1 ~waterLevel~0)} is VALID [2020-07-08 11:13:48,903 INFO L280 TraceCheckUtils]: 5: Hoare triple {3143#(= 1 ~waterLevel~0)} havoc ~retValue_acc~2;havoc ~tmp~0; {3143#(= 1 ~waterLevel~0)} is VALID [2020-07-08 11:13:48,903 INFO L263 TraceCheckUtils]: 6: Hoare triple {3143#(= 1 ~waterLevel~0)} call select_helpers(); {3138#true} is VALID [2020-07-08 11:13:48,904 INFO L280 TraceCheckUtils]: 7: Hoare triple {3138#true} assume true; {3138#true} is VALID [2020-07-08 11:13:48,904 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {3138#true} {3143#(= 1 ~waterLevel~0)} #395#return; {3143#(= 1 ~waterLevel~0)} is VALID [2020-07-08 11:13:48,905 INFO L263 TraceCheckUtils]: 9: Hoare triple {3143#(= 1 ~waterLevel~0)} call select_features(); {3138#true} is VALID [2020-07-08 11:13:48,905 INFO L280 TraceCheckUtils]: 10: Hoare triple {3138#true} assume true; {3138#true} is VALID [2020-07-08 11:13:48,905 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {3138#true} {3143#(= 1 ~waterLevel~0)} #397#return; {3143#(= 1 ~waterLevel~0)} is VALID [2020-07-08 11:13:48,906 INFO L263 TraceCheckUtils]: 12: Hoare triple {3143#(= 1 ~waterLevel~0)} call #t~ret1 := valid_product(); {3138#true} is VALID [2020-07-08 11:13:48,906 INFO L280 TraceCheckUtils]: 13: Hoare triple {3138#true} havoc ~retValue_acc~1;~retValue_acc~1 := 1;#res := ~retValue_acc~1; {3138#true} is VALID [2020-07-08 11:13:48,906 INFO L280 TraceCheckUtils]: 14: Hoare triple {3138#true} assume true; {3138#true} is VALID [2020-07-08 11:13:48,907 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {3138#true} {3143#(= 1 ~waterLevel~0)} #399#return; {3143#(= 1 ~waterLevel~0)} is VALID [2020-07-08 11:13:48,907 INFO L280 TraceCheckUtils]: 16: Hoare triple {3143#(= 1 ~waterLevel~0)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;~tmp~0 := #t~ret1;havoc #t~ret1; {3143#(= 1 ~waterLevel~0)} is VALID [2020-07-08 11:13:48,908 INFO L280 TraceCheckUtils]: 17: Hoare triple {3143#(= 1 ~waterLevel~0)} assume 0 != ~tmp~0; {3143#(= 1 ~waterLevel~0)} is VALID [2020-07-08 11:13:48,908 INFO L263 TraceCheckUtils]: 18: Hoare triple {3143#(= 1 ~waterLevel~0)} call setup(); {3138#true} is VALID [2020-07-08 11:13:48,908 INFO L280 TraceCheckUtils]: 19: Hoare triple {3138#true} assume true; {3138#true} is VALID [2020-07-08 11:13:48,909 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {3138#true} {3143#(= 1 ~waterLevel~0)} #401#return; {3143#(= 1 ~waterLevel~0)} is VALID [2020-07-08 11:13:48,910 INFO L263 TraceCheckUtils]: 21: Hoare triple {3143#(= 1 ~waterLevel~0)} call runTest(); {3143#(= 1 ~waterLevel~0)} is VALID [2020-07-08 11:13:48,910 INFO L263 TraceCheckUtils]: 22: Hoare triple {3143#(= 1 ~waterLevel~0)} call test(); {3143#(= 1 ~waterLevel~0)} is VALID [2020-07-08 11:13:48,911 INFO L280 TraceCheckUtils]: 23: Hoare triple {3143#(= 1 ~waterLevel~0)} havoc ~splverifierCounter~0;havoc ~tmp~6;havoc ~tmp___0~1;havoc ~tmp___1~1;havoc ~tmp___2~0;~splverifierCounter~0 := 0; {3143#(= 1 ~waterLevel~0)} is VALID [2020-07-08 11:13:48,911 INFO L280 TraceCheckUtils]: 24: Hoare triple {3143#(= 1 ~waterLevel~0)} assume !false; {3143#(= 1 ~waterLevel~0)} is VALID [2020-07-08 11:13:48,912 INFO L280 TraceCheckUtils]: 25: Hoare triple {3143#(= 1 ~waterLevel~0)} assume ~splverifierCounter~0 < 4; {3143#(= 1 ~waterLevel~0)} is VALID [2020-07-08 11:13:48,912 INFO L280 TraceCheckUtils]: 26: Hoare triple {3143#(= 1 ~waterLevel~0)} assume -2147483648 <= #t~nondet58 && #t~nondet58 <= 2147483647;~tmp~6 := #t~nondet58;havoc #t~nondet58; {3143#(= 1 ~waterLevel~0)} is VALID [2020-07-08 11:13:48,913 INFO L280 TraceCheckUtils]: 27: Hoare triple {3143#(= 1 ~waterLevel~0)} assume !(0 != ~tmp~6); {3143#(= 1 ~waterLevel~0)} is VALID [2020-07-08 11:13:48,914 INFO L280 TraceCheckUtils]: 28: Hoare triple {3143#(= 1 ~waterLevel~0)} assume -2147483648 <= #t~nondet59 && #t~nondet59 <= 2147483647;~tmp___0~1 := #t~nondet59;havoc #t~nondet59; {3143#(= 1 ~waterLevel~0)} is VALID [2020-07-08 11:13:48,914 INFO L280 TraceCheckUtils]: 29: Hoare triple {3143#(= 1 ~waterLevel~0)} assume !(0 != ~tmp___0~1); {3143#(= 1 ~waterLevel~0)} is VALID [2020-07-08 11:13:48,915 INFO L280 TraceCheckUtils]: 30: Hoare triple {3143#(= 1 ~waterLevel~0)} assume -2147483648 <= #t~nondet60 && #t~nondet60 <= 2147483647;~tmp___2~0 := #t~nondet60;havoc #t~nondet60; {3143#(= 1 ~waterLevel~0)} is VALID [2020-07-08 11:13:48,915 INFO L280 TraceCheckUtils]: 31: Hoare triple {3143#(= 1 ~waterLevel~0)} assume !(0 != ~tmp___2~0);assume -2147483648 <= #t~nondet61 && #t~nondet61 <= 2147483647;~tmp___1~1 := #t~nondet61;havoc #t~nondet61; {3143#(= 1 ~waterLevel~0)} is VALID [2020-07-08 11:13:48,916 INFO L280 TraceCheckUtils]: 32: Hoare triple {3143#(= 1 ~waterLevel~0)} assume 0 != ~tmp___1~1; {3143#(= 1 ~waterLevel~0)} is VALID [2020-07-08 11:13:48,917 INFO L263 TraceCheckUtils]: 33: Hoare triple {3143#(= 1 ~waterLevel~0)} call stopSystem(); {3169#(and (= ~systemActive~0 |old(~systemActive~0)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|))} is VALID [2020-07-08 11:13:48,917 INFO L280 TraceCheckUtils]: 34: Hoare triple {3169#(and (= ~systemActive~0 |old(~systemActive~0)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|))} assume !(0 != ~pumpRunning~0); {3138#true} is VALID [2020-07-08 11:13:48,917 INFO L280 TraceCheckUtils]: 35: Hoare triple {3138#true} ~systemActive~0 := 0; {3138#true} is VALID [2020-07-08 11:13:48,917 INFO L280 TraceCheckUtils]: 36: Hoare triple {3138#true} assume true; {3138#true} is VALID [2020-07-08 11:13:48,918 INFO L275 TraceCheckUtils]: 37: Hoare quadruple {3138#true} {3143#(= 1 ~waterLevel~0)} #449#return; {3143#(= 1 ~waterLevel~0)} is VALID [2020-07-08 11:13:48,919 INFO L263 TraceCheckUtils]: 38: Hoare triple {3143#(= 1 ~waterLevel~0)} call timeShift(); {3143#(= 1 ~waterLevel~0)} is VALID [2020-07-08 11:13:48,919 INFO L280 TraceCheckUtils]: 39: Hoare triple {3143#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {3143#(= 1 ~waterLevel~0)} is VALID [2020-07-08 11:13:48,920 INFO L280 TraceCheckUtils]: 40: Hoare triple {3143#(= 1 ~waterLevel~0)} assume !(0 != ~systemActive~0); {3143#(= 1 ~waterLevel~0)} is VALID [2020-07-08 11:13:48,920 INFO L263 TraceCheckUtils]: 41: Hoare triple {3143#(= 1 ~waterLevel~0)} call __utac_acc__Specification3_spec__1(); {3143#(= 1 ~waterLevel~0)} is VALID [2020-07-08 11:13:48,921 INFO L280 TraceCheckUtils]: 42: Hoare triple {3143#(= 1 ~waterLevel~0)} havoc ~tmp~4;havoc ~tmp___0~0;havoc ~tmp___1~0; {3143#(= 1 ~waterLevel~0)} is VALID [2020-07-08 11:13:48,921 INFO L263 TraceCheckUtils]: 43: Hoare triple {3143#(= 1 ~waterLevel~0)} call #t~ret37 := isMethaneLevelCritical(); {3138#true} is VALID [2020-07-08 11:13:48,921 INFO L280 TraceCheckUtils]: 44: Hoare triple {3138#true} havoc ~retValue_acc~8;~retValue_acc~8 := ~methaneLevelCritical~0;#res := ~retValue_acc~8; {3138#true} is VALID [2020-07-08 11:13:48,922 INFO L280 TraceCheckUtils]: 45: Hoare triple {3138#true} assume true; {3138#true} is VALID [2020-07-08 11:13:48,922 INFO L275 TraceCheckUtils]: 46: Hoare quadruple {3138#true} {3143#(= 1 ~waterLevel~0)} #475#return; {3143#(= 1 ~waterLevel~0)} is VALID [2020-07-08 11:13:48,923 INFO L280 TraceCheckUtils]: 47: Hoare triple {3143#(= 1 ~waterLevel~0)} assume -2147483648 <= #t~ret37 && #t~ret37 <= 2147483647;~tmp~4 := #t~ret37;havoc #t~ret37; {3143#(= 1 ~waterLevel~0)} is VALID [2020-07-08 11:13:48,923 INFO L280 TraceCheckUtils]: 48: Hoare triple {3143#(= 1 ~waterLevel~0)} assume !(0 != ~tmp~4); {3143#(= 1 ~waterLevel~0)} is VALID [2020-07-08 11:13:48,924 INFO L263 TraceCheckUtils]: 49: Hoare triple {3143#(= 1 ~waterLevel~0)} call #t~ret38 := getWaterLevel(); {3138#true} is VALID [2020-07-08 11:13:48,924 INFO L280 TraceCheckUtils]: 50: Hoare triple {3138#true} havoc ~retValue_acc~9;~retValue_acc~9 := ~waterLevel~0;#res := ~retValue_acc~9; {3170#(= |getWaterLevel_#res| ~waterLevel~0)} is VALID [2020-07-08 11:13:48,925 INFO L280 TraceCheckUtils]: 51: Hoare triple {3170#(= |getWaterLevel_#res| ~waterLevel~0)} assume true; {3170#(= |getWaterLevel_#res| ~waterLevel~0)} is VALID [2020-07-08 11:13:48,926 INFO L275 TraceCheckUtils]: 52: Hoare quadruple {3170#(= |getWaterLevel_#res| ~waterLevel~0)} {3143#(= 1 ~waterLevel~0)} #477#return; {3163#(= 1 |__utac_acc__Specification3_spec__1_#t~ret38|)} is VALID [2020-07-08 11:13:48,926 INFO L280 TraceCheckUtils]: 53: Hoare triple {3163#(= 1 |__utac_acc__Specification3_spec__1_#t~ret38|)} assume -2147483648 <= #t~ret38 && #t~ret38 <= 2147483647;~tmp___0~0 := #t~ret38;havoc #t~ret38; {3164#(= 1 __utac_acc__Specification3_spec__1_~tmp___0~0)} is VALID [2020-07-08 11:13:48,927 INFO L280 TraceCheckUtils]: 54: Hoare triple {3164#(= 1 __utac_acc__Specification3_spec__1_~tmp___0~0)} assume 2 == ~tmp___0~0; {3139#false} is VALID [2020-07-08 11:13:48,927 INFO L263 TraceCheckUtils]: 55: Hoare triple {3139#false} call #t~ret39 := isPumpRunning(); {3138#true} is VALID [2020-07-08 11:13:48,927 INFO L280 TraceCheckUtils]: 56: Hoare triple {3138#true} havoc ~retValue_acc~7;~retValue_acc~7 := ~pumpRunning~0;#res := ~retValue_acc~7; {3138#true} is VALID [2020-07-08 11:13:48,928 INFO L280 TraceCheckUtils]: 57: Hoare triple {3138#true} assume true; {3138#true} is VALID [2020-07-08 11:13:48,928 INFO L275 TraceCheckUtils]: 58: Hoare quadruple {3138#true} {3139#false} #479#return; {3139#false} is VALID [2020-07-08 11:13:48,928 INFO L280 TraceCheckUtils]: 59: Hoare triple {3139#false} assume -2147483648 <= #t~ret39 && #t~ret39 <= 2147483647;~tmp___1~0 := #t~ret39;havoc #t~ret39; {3139#false} is VALID [2020-07-08 11:13:48,928 INFO L280 TraceCheckUtils]: 60: Hoare triple {3139#false} assume !(0 != ~tmp___1~0); {3139#false} is VALID [2020-07-08 11:13:48,929 INFO L263 TraceCheckUtils]: 61: Hoare triple {3139#false} call __automaton_fail(); {3139#false} is VALID [2020-07-08 11:13:48,929 INFO L280 TraceCheckUtils]: 62: Hoare triple {3139#false} assume !false; {3139#false} is VALID [2020-07-08 11:13:48,937 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 11:13:48,938 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73301446] [2020-07-08 11:13:48,938 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 11:13:48,938 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-08 11:13:48,938 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767915857] [2020-07-08 11:13:48,939 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 63 [2020-07-08 11:13:48,939 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 11:13:48,939 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2020-07-08 11:13:49,014 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 11:13:49,014 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-08 11:13:49,015 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-08 11:13:49,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-08 11:13:49,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-08 11:13:49,016 INFO L87 Difference]: Start difference. First operand 228 states and 277 transitions. Second operand 8 states. [2020-07-08 11:13:49,730 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-08 11:13:57,356 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-08 11:13:58,023 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-08 11:13:58,447 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-08 11:13:58,892 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-08 11:14:03,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 11:14:03,156 INFO L93 Difference]: Finished difference Result 696 states and 923 transitions. [2020-07-08 11:14:03,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-08 11:14:03,156 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 63 [2020-07-08 11:14:03,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 11:14:03,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-08 11:14:03,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 411 transitions. [2020-07-08 11:14:03,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-08 11:14:03,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 411 transitions. [2020-07-08 11:14:03,174 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states and 411 transitions. [2020-07-08 11:14:04,540 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 11:14:04,567 INFO L225 Difference]: With dead ends: 696 [2020-07-08 11:14:04,567 INFO L226 Difference]: Without dead ends: 492 [2020-07-08 11:14:04,569 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 11:14:04,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 492 states. [2020-07-08 11:14:09,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 492 to 429. [2020-07-08 11:14:09,053 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 11:14:09,053 INFO L82 GeneralOperation]: Start isEquivalent. First operand 492 states. Second operand 429 states. [2020-07-08 11:14:09,053 INFO L74 IsIncluded]: Start isIncluded. First operand 492 states. Second operand 429 states. [2020-07-08 11:14:09,054 INFO L87 Difference]: Start difference. First operand 492 states. Second operand 429 states. [2020-07-08 11:14:09,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 11:14:09,083 INFO L93 Difference]: Finished difference Result 492 states and 642 transitions. [2020-07-08 11:14:09,083 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 642 transitions. [2020-07-08 11:14:09,085 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 11:14:09,085 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 11:14:09,085 INFO L74 IsIncluded]: Start isIncluded. First operand 429 states. Second operand 492 states. [2020-07-08 11:14:09,085 INFO L87 Difference]: Start difference. First operand 429 states. Second operand 492 states. [2020-07-08 11:14:09,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 11:14:09,114 INFO L93 Difference]: Finished difference Result 492 states and 642 transitions. [2020-07-08 11:14:09,115 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 642 transitions. [2020-07-08 11:14:09,117 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 11:14:09,117 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 11:14:09,117 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 11:14:09,117 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 11:14:09,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 429 states. [2020-07-08 11:14:09,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 535 transitions. [2020-07-08 11:14:09,141 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 535 transitions. Word has length 63 [2020-07-08 11:14:09,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 11:14:09,141 INFO L479 AbstractCegarLoop]: Abstraction has 429 states and 535 transitions. [2020-07-08 11:14:09,141 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-08 11:14:09,142 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 535 transitions. [2020-07-08 11:14:09,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-07-08 11:14:09,144 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 11:14:09,144 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 11:14:09,144 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-08 11:14:09,144 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 11:14:09,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 11:14:09,145 INFO L82 PathProgramCache]: Analyzing trace with hash -1334484666, now seen corresponding path program 1 times [2020-07-08 11:14:09,145 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-08 11:14:09,145 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036976360] [2020-07-08 11:14:09,145 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 11:14:09,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-08 11:14:09,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-08 11:14:09,342 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-08 11:14:09,342 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-08 11:14:09,343 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-08 11:14:09,490 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_freeENTRY has no Hoare annotation [2020-07-08 11:14:09,490 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_resetENTRY has no Hoare annotation [2020-07-08 11:14:09,490 WARN L170 areAnnotationChecker]: select_helpersFINAL has no Hoare annotation [2020-07-08 11:14:09,490 WARN L170 areAnnotationChecker]: valid_productENTRY has no Hoare annotation [2020-07-08 11:14:09,490 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-08 11:14:09,490 WARN L170 areAnnotationChecker]: Specification2ENTRY has no Hoare annotation [2020-07-08 11:14:09,491 WARN L170 areAnnotationChecker]: Specification2ENTRY has no Hoare annotation [2020-07-08 11:14:09,491 WARN L170 areAnnotationChecker]: stopSystemENTRY has no Hoare annotation [2020-07-08 11:14:09,491 WARN L170 areAnnotationChecker]: stopSystemENTRY has no Hoare annotation [2020-07-08 11:14:09,491 WARN L170 areAnnotationChecker]: isPumpRunningENTRY has no Hoare annotation [2020-07-08 11:14:09,491 WARN L170 areAnnotationChecker]: printPumpENTRY has no Hoare annotation [2020-07-08 11:14:09,491 WARN L170 areAnnotationChecker]: select_featuresFINAL has no Hoare annotation [2020-07-08 11:14:09,491 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_setENTRY has no Hoare annotation [2020-07-08 11:14:09,491 WARN L170 areAnnotationChecker]: runTestENTRY has no Hoare annotation [2020-07-08 11:14:09,491 WARN L170 areAnnotationChecker]: runTestENTRY has no Hoare annotation [2020-07-08 11:14:09,492 WARN L170 areAnnotationChecker]: __utac__get_this_argtypeENTRY has no Hoare annotation [2020-07-08 11:14:09,492 WARN L170 areAnnotationChecker]: isMethaneAlarmENTRY has no Hoare annotation [2020-07-08 11:14:09,492 WARN L170 areAnnotationChecker]: deactivatePumpENTRY has no Hoare annotation [2020-07-08 11:14:09,492 WARN L170 areAnnotationChecker]: processEnvironmentENTRY has no Hoare annotation [2020-07-08 11:14:09,492 WARN L170 areAnnotationChecker]: processEnvironment__wrappee__baseFINAL has no Hoare annotation [2020-07-08 11:14:09,492 WARN L170 areAnnotationChecker]: testENTRY has no Hoare annotation [2020-07-08 11:14:09,492 WARN L170 areAnnotationChecker]: __utac__get_this_argENTRY has no Hoare annotation [2020-07-08 11:14:09,492 WARN L170 areAnnotationChecker]: ULTIMATE.initENTRY has no Hoare annotation [2020-07-08 11:14:09,492 WARN L170 areAnnotationChecker]: select_oneENTRY has no Hoare annotation [2020-07-08 11:14:09,493 WARN L170 areAnnotationChecker]: __utac__error_stack_mgtENTRY has no Hoare annotation [2020-07-08 11:14:09,493 WARN L170 areAnnotationChecker]: printEnvironmentENTRY has no Hoare annotation [2020-07-08 11:14:09,493 WARN L170 areAnnotationChecker]: activatePumpENTRY has no Hoare annotation [2020-07-08 11:14:09,493 WARN L170 areAnnotationChecker]: ##fun~int~X~int~TO~intENTRY has no Hoare annotation [2020-07-08 11:14:09,493 WARN L170 areAnnotationChecker]: changeMethaneLevelENTRY has no Hoare annotation [2020-07-08 11:14:09,493 WARN L170 areAnnotationChecker]: changeMethaneLevelENTRY has no Hoare annotation [2020-07-08 11:14:09,493 WARN L170 areAnnotationChecker]: getWaterLevelENTRY has no Hoare annotation [2020-07-08 11:14:09,493 WARN L170 areAnnotationChecker]: cleanupENTRY has no Hoare annotation [2020-07-08 11:14:09,493 WARN L170 areAnnotationChecker]: __utac_acc__Specification3_spec__1ENTRY has no Hoare annotation [2020-07-08 11:14:09,493 WARN L170 areAnnotationChecker]: timeShiftENTRY has no Hoare annotation [2020-07-08 11:14:09,494 WARN L170 areAnnotationChecker]: timeShiftENTRY has no Hoare annotation [2020-07-08 11:14:09,494 WARN L170 areAnnotationChecker]: isMethaneLevelCriticalENTRY has no Hoare annotation [2020-07-08 11:14:09,494 WARN L170 areAnnotationChecker]: lowerWaterLevelENTRY has no Hoare annotation [2020-07-08 11:14:09,494 WARN L170 areAnnotationChecker]: lowerWaterLevelENTRY has no Hoare annotation [2020-07-08 11:14:09,494 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-08 11:14:09,496 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-08 11:14:09,496 WARN L170 areAnnotationChecker]: setupFINAL has no Hoare annotation [2020-07-08 11:14:09,496 WARN L170 areAnnotationChecker]: waterRiseENTRY has no Hoare annotation [2020-07-08 11:14:09,496 WARN L170 areAnnotationChecker]: waterRiseENTRY has no Hoare annotation [2020-07-08 11:14:09,497 WARN L170 areAnnotationChecker]: __automaton_failENTRY has no Hoare annotation [2020-07-08 11:14:09,497 WARN L170 areAnnotationChecker]: __automaton_failENTRY has no Hoare annotation [2020-07-08 11:14:09,497 WARN L170 areAnnotationChecker]: L265-2 has no Hoare annotation [2020-07-08 11:14:09,497 WARN L170 areAnnotationChecker]: L265-2 has no Hoare annotation [2020-07-08 11:14:09,497 WARN L170 areAnnotationChecker]: L265-2 has no Hoare annotation [2020-07-08 11:14:09,497 WARN L170 areAnnotationChecker]: L322-2 has no Hoare annotation [2020-07-08 11:14:09,497 WARN L170 areAnnotationChecker]: L322-2 has no Hoare annotation [2020-07-08 11:14:09,497 WARN L170 areAnnotationChecker]: L322-2 has no Hoare annotation [2020-07-08 11:14:09,497 WARN L170 areAnnotationChecker]: select_helpersEXIT has no Hoare annotation [2020-07-08 11:14:09,497 WARN L170 areAnnotationChecker]: valid_productFINAL has no Hoare annotation [2020-07-08 11:14:09,497 WARN L170 areAnnotationChecker]: L170 has no Hoare annotation [2020-07-08 11:14:09,497 WARN L170 areAnnotationChecker]: L170 has no Hoare annotation [2020-07-08 11:14:09,498 WARN L170 areAnnotationChecker]: L127 has no Hoare annotation [2020-07-08 11:14:09,498 WARN L170 areAnnotationChecker]: L127 has no Hoare annotation [2020-07-08 11:14:09,498 WARN L170 areAnnotationChecker]: L734 has no Hoare annotation [2020-07-08 11:14:09,498 WARN L170 areAnnotationChecker]: L734 has no Hoare annotation [2020-07-08 11:14:09,498 WARN L170 areAnnotationChecker]: L732 has no Hoare annotation [2020-07-08 11:14:09,498 WARN L170 areAnnotationChecker]: isPumpRunningFINAL has no Hoare annotation [2020-07-08 11:14:09,498 WARN L170 areAnnotationChecker]: L699 has no Hoare annotation [2020-07-08 11:14:09,498 WARN L170 areAnnotationChecker]: L699 has no Hoare annotation [2020-07-08 11:14:09,498 WARN L170 areAnnotationChecker]: select_featuresEXIT has no Hoare annotation [2020-07-08 11:14:09,498 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_setFINAL has no Hoare annotation [2020-07-08 11:14:09,498 WARN L170 areAnnotationChecker]: runTestFINAL has no Hoare annotation [2020-07-08 11:14:09,498 WARN L170 areAnnotationChecker]: L521 has no Hoare annotation [2020-07-08 11:14:09,498 WARN L170 areAnnotationChecker]: L521 has no Hoare annotation [2020-07-08 11:14:09,498 WARN L170 areAnnotationChecker]: L677 has no Hoare annotation [2020-07-08 11:14:09,498 WARN L170 areAnnotationChecker]: L677 has no Hoare annotation [2020-07-08 11:14:09,499 WARN L170 areAnnotationChecker]: deactivatePumpFINAL has no Hoare annotation [2020-07-08 11:14:09,499 WARN L170 areAnnotationChecker]: L635 has no Hoare annotation [2020-07-08 11:14:09,499 WARN L170 areAnnotationChecker]: L635 has no Hoare annotation [2020-07-08 11:14:09,499 WARN L170 areAnnotationChecker]: processEnvironment__wrappee__baseEXIT has no Hoare annotation [2020-07-08 11:14:09,499 WARN L170 areAnnotationChecker]: processEnvironment__wrappee__baseEXIT has no Hoare annotation [2020-07-08 11:14:09,499 WARN L170 areAnnotationChecker]: L799 has no Hoare annotation [2020-07-08 11:14:09,499 WARN L170 areAnnotationChecker]: L799 has no Hoare annotation [2020-07-08 11:14:09,499 WARN L170 areAnnotationChecker]: L799 has no Hoare annotation [2020-07-08 11:14:09,499 WARN L170 areAnnotationChecker]: L475 has no Hoare annotation [2020-07-08 11:14:09,501 WARN L170 areAnnotationChecker]: L475 has no Hoare annotation [2020-07-08 11:14:09,501 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-08 11:14:09,502 WARN L170 areAnnotationChecker]: select_oneFINAL has no Hoare annotation [2020-07-08 11:14:09,502 WARN L170 areAnnotationChecker]: L382 has no Hoare annotation [2020-07-08 11:14:09,502 WARN L170 areAnnotationChecker]: L382 has no Hoare annotation [2020-07-08 11:14:09,502 WARN L170 areAnnotationChecker]: L866 has no Hoare annotation [2020-07-08 11:14:09,502 WARN L170 areAnnotationChecker]: L866 has no Hoare annotation [2020-07-08 11:14:09,502 WARN L170 areAnnotationChecker]: activatePumpFINAL has no Hoare annotation [2020-07-08 11:14:09,503 WARN L170 areAnnotationChecker]: ##fun~int~X~int~TO~intFINAL has no Hoare annotation [2020-07-08 11:14:09,503 WARN L170 areAnnotationChecker]: L841-1 has no Hoare annotation [2020-07-08 11:14:09,503 WARN L170 areAnnotationChecker]: getWaterLevelFINAL has no Hoare annotation [2020-07-08 11:14:09,503 WARN L170 areAnnotationChecker]: L95 has no Hoare annotation [2020-07-08 11:14:09,503 WARN L170 areAnnotationChecker]: L95 has no Hoare annotation [2020-07-08 11:14:09,503 WARN L170 areAnnotationChecker]: L564 has no Hoare annotation [2020-07-08 11:14:09,504 WARN L170 areAnnotationChecker]: L564 has no Hoare annotation [2020-07-08 11:14:09,504 WARN L170 areAnnotationChecker]: L605 has no Hoare annotation [2020-07-08 11:14:09,504 WARN L170 areAnnotationChecker]: L605 has no Hoare annotation [2020-07-08 11:14:09,504 WARN L170 areAnnotationChecker]: L603 has no Hoare annotation [2020-07-08 11:14:09,504 WARN L170 areAnnotationChecker]: L603 has no Hoare annotation [2020-07-08 11:14:09,504 WARN L170 areAnnotationChecker]: isMethaneLevelCriticalFINAL has no Hoare annotation [2020-07-08 11:14:09,505 WARN L170 areAnnotationChecker]: L817-1 has no Hoare annotation [2020-07-08 11:14:09,505 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-08 11:14:09,505 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-08 11:14:09,505 WARN L170 areAnnotationChecker]: setupEXIT has no Hoare annotation [2020-07-08 11:14:09,505 WARN L170 areAnnotationChecker]: L829-1 has no Hoare annotation [2020-07-08 11:14:09,505 WARN L170 areAnnotationChecker]: __automaton_failFINAL has no Hoare annotation [2020-07-08 11:14:09,506 WARN L170 areAnnotationChecker]: L287 has no Hoare annotation [2020-07-08 11:14:09,506 WARN L170 areAnnotationChecker]: L266 has no Hoare annotation [2020-07-08 11:14:09,506 WARN L170 areAnnotationChecker]: L348 has no Hoare annotation [2020-07-08 11:14:09,506 WARN L170 areAnnotationChecker]: L348 has no Hoare annotation [2020-07-08 11:14:09,506 WARN L170 areAnnotationChecker]: L323 has no Hoare annotation [2020-07-08 11:14:09,506 WARN L170 areAnnotationChecker]: L170-1 has no Hoare annotation [2020-07-08 11:14:09,506 WARN L170 areAnnotationChecker]: L170-1 has no Hoare annotation [2020-07-08 11:14:09,507 WARN L170 areAnnotationChecker]: valid_productEXIT has no Hoare annotation [2020-07-08 11:14:09,507 WARN L170 areAnnotationChecker]: L128 has no Hoare annotation [2020-07-08 11:14:09,507 WARN L170 areAnnotationChecker]: L128 has no Hoare annotation [2020-07-08 11:14:09,507 WARN L170 areAnnotationChecker]: stopSystemFINAL has no Hoare annotation [2020-07-08 11:14:09,507 WARN L170 areAnnotationChecker]: isPumpRunningEXIT has no Hoare annotation [2020-07-08 11:14:09,507 WARN L170 areAnnotationChecker]: L699-2 has no Hoare annotation [2020-07-08 11:14:09,507 WARN L170 areAnnotationChecker]: L171 has no Hoare annotation [2020-07-08 11:14:09,508 WARN L170 areAnnotationChecker]: L171 has no Hoare annotation [2020-07-08 11:14:09,508 WARN L170 areAnnotationChecker]: runTestEXIT has no Hoare annotation [2020-07-08 11:14:09,508 WARN L170 areAnnotationChecker]: L527 has no Hoare annotation [2020-07-08 11:14:09,508 WARN L170 areAnnotationChecker]: L527 has no Hoare annotation [2020-07-08 11:14:09,508 WARN L170 areAnnotationChecker]: L521-1 has no Hoare annotation [2020-07-08 11:14:09,508 WARN L170 areAnnotationChecker]: L677-1 has no Hoare annotation [2020-07-08 11:14:09,509 WARN L170 areAnnotationChecker]: deactivatePumpEXIT has no Hoare annotation [2020-07-08 11:14:09,509 WARN L170 areAnnotationChecker]: deactivatePumpEXIT has no Hoare annotation [2020-07-08 11:14:09,509 WARN L170 areAnnotationChecker]: L637 has no Hoare annotation [2020-07-08 11:14:09,509 WARN L170 areAnnotationChecker]: L637 has no Hoare annotation [2020-07-08 11:14:09,509 WARN L170 areAnnotationChecker]: L650 has no Hoare annotation [2020-07-08 11:14:09,509 WARN L170 areAnnotationChecker]: L650 has no Hoare annotation [2020-07-08 11:14:09,509 WARN L170 areAnnotationChecker]: L650-1 has no Hoare annotation [2020-07-08 11:14:09,510 WARN L170 areAnnotationChecker]: L802 has no Hoare annotation [2020-07-08 11:14:09,510 WARN L170 areAnnotationChecker]: L802 has no Hoare annotation [2020-07-08 11:14:09,510 WARN L170 areAnnotationChecker]: L755 has no Hoare annotation [2020-07-08 11:14:09,510 WARN L170 areAnnotationChecker]: L755 has no Hoare annotation [2020-07-08 11:14:09,510 WARN L170 areAnnotationChecker]: L481 has no Hoare annotation [2020-07-08 11:14:09,510 WARN L170 areAnnotationChecker]: L481 has no Hoare annotation [2020-07-08 11:14:09,511 WARN L170 areAnnotationChecker]: L475-1 has no Hoare annotation [2020-07-08 11:14:09,511 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-08 11:14:09,511 WARN L170 areAnnotationChecker]: __utac__error_stack_mgtFINAL has no Hoare annotation [2020-07-08 11:14:09,511 WARN L170 areAnnotationChecker]: L387 has no Hoare annotation [2020-07-08 11:14:09,511 WARN L170 areAnnotationChecker]: L387 has no Hoare annotation [2020-07-08 11:14:09,511 WARN L170 areAnnotationChecker]: L866-2 has no Hoare annotation [2020-07-08 11:14:09,512 WARN L170 areAnnotationChecker]: ##fun~int~X~int~TO~intEXIT has no Hoare annotation [2020-07-08 11:14:09,512 WARN L170 areAnnotationChecker]: changeMethaneLevelEXIT has no Hoare annotation [2020-07-08 11:14:09,512 WARN L170 areAnnotationChecker]: changeMethaneLevelEXIT has no Hoare annotation [2020-07-08 11:14:09,512 WARN L170 areAnnotationChecker]: getWaterLevelEXIT has no Hoare annotation [2020-07-08 11:14:09,512 WARN L170 areAnnotationChecker]: L95-1 has no Hoare annotation [2020-07-08 11:14:09,512 WARN L170 areAnnotationChecker]: L564-1 has no Hoare annotation [2020-07-08 11:14:09,513 WARN L170 areAnnotationChecker]: L612 has no Hoare annotation [2020-07-08 11:14:09,513 WARN L170 areAnnotationChecker]: L612 has no Hoare annotation [2020-07-08 11:14:09,513 WARN L170 areAnnotationChecker]: L610 has no Hoare annotation [2020-07-08 11:14:09,513 WARN L170 areAnnotationChecker]: L610 has no Hoare annotation [2020-07-08 11:14:09,513 WARN L170 areAnnotationChecker]: isMethaneLevelCriticalEXIT has no Hoare annotation [2020-07-08 11:14:09,513 WARN L170 areAnnotationChecker]: isMethaneLevelCriticalEXIT has no Hoare annotation [2020-07-08 11:14:09,513 WARN L170 areAnnotationChecker]: lowerWaterLevelEXIT has no Hoare annotation [2020-07-08 11:14:09,514 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-08 11:14:09,514 WARN L170 areAnnotationChecker]: L176-1 has no Hoare annotation [2020-07-08 11:14:09,514 WARN L170 areAnnotationChecker]: L176-1 has no Hoare annotation [2020-07-08 11:14:09,514 WARN L170 areAnnotationChecker]: waterRiseEXIT has no Hoare annotation [2020-07-08 11:14:09,514 WARN L170 areAnnotationChecker]: waterRiseEXIT has no Hoare annotation [2020-07-08 11:14:09,514 WARN L170 areAnnotationChecker]: __automaton_failEXIT has no Hoare annotation [2020-07-08 11:14:09,514 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_freeFINAL has no Hoare annotation [2020-07-08 11:14:09,514 WARN L170 areAnnotationChecker]: L271 has no Hoare annotation [2020-07-08 11:14:09,514 WARN L170 areAnnotationChecker]: L271 has no Hoare annotation [2020-07-08 11:14:09,515 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_resetFINAL has no Hoare annotation [2020-07-08 11:14:09,515 WARN L170 areAnnotationChecker]: L328 has no Hoare annotation [2020-07-08 11:14:09,515 WARN L170 areAnnotationChecker]: L328 has no Hoare annotation [2020-07-08 11:14:09,515 WARN L170 areAnnotationChecker]: L172 has no Hoare annotation [2020-07-08 11:14:09,515 WARN L170 areAnnotationChecker]: L129 has no Hoare annotation [2020-07-08 11:14:09,515 WARN L170 areAnnotationChecker]: L129 has no Hoare annotation [2020-07-08 11:14:09,515 WARN L170 areAnnotationChecker]: stopSystemEXIT has no Hoare annotation [2020-07-08 11:14:09,515 WARN L170 areAnnotationChecker]: L574-1 has no Hoare annotation [2020-07-08 11:14:09,516 WARN L170 areAnnotationChecker]: L711 has no Hoare annotation [2020-07-08 11:14:09,516 WARN L170 areAnnotationChecker]: L711 has no Hoare annotation [2020-07-08 11:14:09,516 WARN L170 areAnnotationChecker]: L174-1 has no Hoare annotation [2020-07-08 11:14:09,516 WARN L170 areAnnotationChecker]: __utac__get_this_argtypeFINAL has no Hoare annotation [2020-07-08 11:14:09,516 WARN L170 areAnnotationChecker]: isMethaneAlarmFINAL has no Hoare annotation [2020-07-08 11:14:09,517 WARN L170 areAnnotationChecker]: L637-1 has no Hoare annotation [2020-07-08 11:14:09,517 WARN L170 areAnnotationChecker]: processEnvironmentEXIT has no Hoare annotation [2020-07-08 11:14:09,517 WARN L170 areAnnotationChecker]: testFINAL has no Hoare annotation [2020-07-08 11:14:09,517 WARN L170 areAnnotationChecker]: L756 has no Hoare annotation [2020-07-08 11:14:09,517 WARN L170 areAnnotationChecker]: __utac__get_this_argFINAL has no Hoare annotation [2020-07-08 11:14:09,517 WARN L170 areAnnotationChecker]: L404 has no Hoare annotation [2020-07-08 11:14:09,517 WARN L170 areAnnotationChecker]: L404 has no Hoare annotation [2020-07-08 11:14:09,517 WARN L170 areAnnotationChecker]: printEnvironmentFINAL has no Hoare annotation [2020-07-08 11:14:09,518 WARN L170 areAnnotationChecker]: L341-1 has no Hoare annotation [2020-07-08 11:14:09,518 WARN L170 areAnnotationChecker]: L137 has no Hoare annotation [2020-07-08 11:14:09,518 WARN L170 areAnnotationChecker]: L137 has no Hoare annotation [2020-07-08 11:14:09,518 WARN L170 areAnnotationChecker]: L774-1 has no Hoare annotation [2020-07-08 11:14:09,518 WARN L170 areAnnotationChecker]: L570-1 has no Hoare annotation [2020-07-08 11:14:09,518 WARN L170 areAnnotationChecker]: L99-2 has no Hoare annotation [2020-07-08 11:14:09,518 WARN L170 areAnnotationChecker]: L99-2 has no Hoare annotation [2020-07-08 11:14:09,518 WARN L170 areAnnotationChecker]: L99-2 has no Hoare annotation [2020-07-08 11:14:09,518 WARN L170 areAnnotationChecker]: L566 has no Hoare annotation [2020-07-08 11:14:09,518 WARN L170 areAnnotationChecker]: L566 has no Hoare annotation [2020-07-08 11:14:09,519 WARN L170 areAnnotationChecker]: timeShiftFINAL has no Hoare annotation [2020-07-08 11:14:09,519 WARN L170 areAnnotationChecker]: L133 has no Hoare annotation [2020-07-08 11:14:09,519 WARN L170 areAnnotationChecker]: L133 has no Hoare annotation [2020-07-08 11:14:09,519 WARN L170 areAnnotationChecker]: L764-1 has no Hoare annotation [2020-07-08 11:14:09,519 WARN L170 areAnnotationChecker]: L572-1 has no Hoare annotation [2020-07-08 11:14:09,519 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_freeEXIT has no Hoare annotation [2020-07-08 11:14:09,519 WARN L170 areAnnotationChecker]: L271-1 has no Hoare annotation [2020-07-08 11:14:09,519 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_resetEXIT has no Hoare annotation [2020-07-08 11:14:09,519 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_resetEXIT has no Hoare annotation [2020-07-08 11:14:09,519 WARN L170 areAnnotationChecker]: L328-1 has no Hoare annotation [2020-07-08 11:14:09,520 WARN L170 areAnnotationChecker]: L174 has no Hoare annotation [2020-07-08 11:14:09,520 WARN L170 areAnnotationChecker]: L174 has no Hoare annotation [2020-07-08 11:14:09,520 WARN L170 areAnnotationChecker]: L130 has no Hoare annotation [2020-07-08 11:14:09,520 WARN L170 areAnnotationChecker]: L130 has no Hoare annotation [2020-07-08 11:14:09,520 WARN L170 areAnnotationChecker]: L790-1 has no Hoare annotation [2020-07-08 11:14:09,520 WARN L170 areAnnotationChecker]: L790-1 has no Hoare annotation [2020-07-08 11:14:09,520 WARN L170 areAnnotationChecker]: L576 has no Hoare annotation [2020-07-08 11:14:09,520 WARN L170 areAnnotationChecker]: L576 has no Hoare annotation [2020-07-08 11:14:09,520 WARN L170 areAnnotationChecker]: L711-2 has no Hoare annotation [2020-07-08 11:14:09,520 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-08 11:14:09,521 WARN L170 areAnnotationChecker]: isMethaneAlarmEXIT has no Hoare annotation [2020-07-08 11:14:09,521 WARN L170 areAnnotationChecker]: L639 has no Hoare annotation [2020-07-08 11:14:09,521 WARN L170 areAnnotationChecker]: L639 has no Hoare annotation [2020-07-08 11:14:09,521 WARN L170 areAnnotationChecker]: testEXIT has no Hoare annotation [2020-07-08 11:14:09,521 WARN L170 areAnnotationChecker]: L764 has no Hoare annotation [2020-07-08 11:14:09,521 WARN L170 areAnnotationChecker]: L764 has no Hoare annotation [2020-07-08 11:14:09,521 WARN L170 areAnnotationChecker]: L407-2 has no Hoare annotation [2020-07-08 11:14:09,521 WARN L170 areAnnotationChecker]: L407-2 has no Hoare annotation [2020-07-08 11:14:09,521 WARN L170 areAnnotationChecker]: L407-2 has no Hoare annotation [2020-07-08 11:14:09,521 WARN L170 areAnnotationChecker]: L446 has no Hoare annotation [2020-07-08 11:14:09,522 WARN L170 areAnnotationChecker]: L446 has no Hoare annotation [2020-07-08 11:14:09,522 WARN L170 areAnnotationChecker]: printEnvironmentEXIT has no Hoare annotation [2020-07-08 11:14:09,522 WARN L170 areAnnotationChecker]: L138 has no Hoare annotation [2020-07-08 11:14:09,522 WARN L170 areAnnotationChecker]: L138 has no Hoare annotation [2020-07-08 11:14:09,522 WARN L170 areAnnotationChecker]: L784 has no Hoare annotation [2020-07-08 11:14:09,522 WARN L170 areAnnotationChecker]: L784 has no Hoare annotation [2020-07-08 11:14:09,522 WARN L170 areAnnotationChecker]: L572 has no Hoare annotation [2020-07-08 11:14:09,522 WARN L170 areAnnotationChecker]: L572 has no Hoare annotation [2020-07-08 11:14:09,522 WARN L170 areAnnotationChecker]: L114 has no Hoare annotation [2020-07-08 11:14:09,522 WARN L170 areAnnotationChecker]: L100 has no Hoare annotation [2020-07-08 11:14:09,523 WARN L170 areAnnotationChecker]: L570 has no Hoare annotation [2020-07-08 11:14:09,523 WARN L170 areAnnotationChecker]: L570 has no Hoare annotation [2020-07-08 11:14:09,523 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-08 11:14:09,523 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-08 11:14:09,523 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-08 11:14:09,523 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-08 11:14:09,523 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-08 11:14:09,523 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-08 11:14:09,524 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-08 11:14:09,524 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-08 11:14:09,524 WARN L170 areAnnotationChecker]: L134 has no Hoare annotation [2020-07-08 11:14:09,525 WARN L170 areAnnotationChecker]: L134 has no Hoare annotation [2020-07-08 11:14:09,525 WARN L170 areAnnotationChecker]: L774 has no Hoare annotation [2020-07-08 11:14:09,525 WARN L170 areAnnotationChecker]: L774 has no Hoare annotation [2020-07-08 11:14:09,525 WARN L170 areAnnotationChecker]: __utac_acc__Specification3_spec__1EXIT has no Hoare annotation [2020-07-08 11:14:09,525 WARN L170 areAnnotationChecker]: L423-1 has no Hoare annotation [2020-07-08 11:14:09,525 WARN L170 areAnnotationChecker]: L439-1 has no Hoare annotation [2020-07-08 11:14:09,526 WARN L170 areAnnotationChecker]: L341 has no Hoare annotation [2020-07-08 11:14:09,527 WARN L170 areAnnotationChecker]: L341 has no Hoare annotation [2020-07-08 11:14:09,527 WARN L170 areAnnotationChecker]: L176 has no Hoare annotation [2020-07-08 11:14:09,528 WARN L170 areAnnotationChecker]: L176 has no Hoare annotation [2020-07-08 11:14:09,528 WARN L170 areAnnotationChecker]: L131 has no Hoare annotation [2020-07-08 11:14:09,528 WARN L170 areAnnotationChecker]: L131 has no Hoare annotation [2020-07-08 11:14:09,528 WARN L170 areAnnotationChecker]: L580 has no Hoare annotation [2020-07-08 11:14:09,528 WARN L170 areAnnotationChecker]: L580 has no Hoare annotation [2020-07-08 11:14:09,528 WARN L170 areAnnotationChecker]: L722 has no Hoare annotation [2020-07-08 11:14:09,528 WARN L170 areAnnotationChecker]: L722 has no Hoare annotation [2020-07-08 11:14:09,529 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-08 11:14:09,529 WARN L170 areAnnotationChecker]: L641 has no Hoare annotation [2020-07-08 11:14:09,529 WARN L170 areAnnotationChecker]: L641 has no Hoare annotation [2020-07-08 11:14:09,529 WARN L170 areAnnotationChecker]: L645 has no Hoare annotation [2020-07-08 11:14:09,529 WARN L170 areAnnotationChecker]: L645 has no Hoare annotation [2020-07-08 11:14:09,529 WARN L170 areAnnotationChecker]: L766 has no Hoare annotation [2020-07-08 11:14:09,529 WARN L170 areAnnotationChecker]: L766 has no Hoare annotation [2020-07-08 11:14:09,530 WARN L170 areAnnotationChecker]: L428 has no Hoare annotation [2020-07-08 11:14:09,530 WARN L170 areAnnotationChecker]: L408 has no Hoare annotation [2020-07-08 11:14:09,530 WARN L170 areAnnotationChecker]: L408 has no Hoare annotation [2020-07-08 11:14:09,530 WARN L170 areAnnotationChecker]: L447 has no Hoare annotation [2020-07-08 11:14:09,530 WARN L170 areAnnotationChecker]: L447 has no Hoare annotation [2020-07-08 11:14:09,530 WARN L170 areAnnotationChecker]: L722-1 has no Hoare annotation [2020-07-08 11:14:09,531 WARN L170 areAnnotationChecker]: L139 has no Hoare annotation [2020-07-08 11:14:09,531 WARN L170 areAnnotationChecker]: L139 has no Hoare annotation [2020-07-08 11:14:09,531 WARN L170 areAnnotationChecker]: L790 has no Hoare annotation [2020-07-08 11:14:09,531 WARN L170 areAnnotationChecker]: L790 has no Hoare annotation [2020-07-08 11:14:09,531 WARN L170 areAnnotationChecker]: L574 has no Hoare annotation [2020-07-08 11:14:09,531 WARN L170 areAnnotationChecker]: L574 has no Hoare annotation [2020-07-08 11:14:09,531 WARN L170 areAnnotationChecker]: cleanupEXIT has no Hoare annotation [2020-07-08 11:14:09,532 WARN L170 areAnnotationChecker]: cleanupEXIT has no Hoare annotation [2020-07-08 11:14:09,532 WARN L170 areAnnotationChecker]: L103 has no Hoare annotation [2020-07-08 11:14:09,532 WARN L170 areAnnotationChecker]: L103 has no Hoare annotation [2020-07-08 11:14:09,532 WARN L170 areAnnotationChecker]: L135 has no Hoare annotation [2020-07-08 11:14:09,532 WARN L170 areAnnotationChecker]: L135 has no Hoare annotation [2020-07-08 11:14:09,532 WARN L170 areAnnotationChecker]: L110 has no Hoare annotation [2020-07-08 11:14:09,533 WARN L170 areAnnotationChecker]: L776 has no Hoare annotation [2020-07-08 11:14:09,533 WARN L170 areAnnotationChecker]: L776 has no Hoare annotation [2020-07-08 11:14:09,533 WARN L170 areAnnotationChecker]: L132 has no Hoare annotation [2020-07-08 11:14:09,533 WARN L170 areAnnotationChecker]: L132 has no Hoare annotation [2020-07-08 11:14:09,533 WARN L170 areAnnotationChecker]: L439 has no Hoare annotation [2020-07-08 11:14:09,533 WARN L170 areAnnotationChecker]: L439 has no Hoare annotation [2020-07-08 11:14:09,534 WARN L170 areAnnotationChecker]: L409 has no Hoare annotation [2020-07-08 11:14:09,534 WARN L170 areAnnotationChecker]: printPumpFINAL has no Hoare annotation [2020-07-08 11:14:09,534 WARN L170 areAnnotationChecker]: L140 has no Hoare annotation [2020-07-08 11:14:09,534 WARN L170 areAnnotationChecker]: L140 has no Hoare annotation [2020-07-08 11:14:09,534 WARN L170 areAnnotationChecker]: L792 has no Hoare annotation [2020-07-08 11:14:09,534 WARN L170 areAnnotationChecker]: L792 has no Hoare annotation [2020-07-08 11:14:09,534 WARN L170 areAnnotationChecker]: Specification2FINAL has no Hoare annotation [2020-07-08 11:14:09,535 WARN L170 areAnnotationChecker]: L103-1 has no Hoare annotation [2020-07-08 11:14:09,535 WARN L170 areAnnotationChecker]: L103-1 has no Hoare annotation [2020-07-08 11:14:09,535 WARN L170 areAnnotationChecker]: L136 has no Hoare annotation [2020-07-08 11:14:09,535 WARN L170 areAnnotationChecker]: L136 has no Hoare annotation [2020-07-08 11:14:09,535 WARN L170 areAnnotationChecker]: L423 has no Hoare annotation [2020-07-08 11:14:09,535 WARN L170 areAnnotationChecker]: L423 has no Hoare annotation [2020-07-08 11:14:09,535 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-08 11:14:09,535 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-08 11:14:09,536 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-08 11:14:09,536 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-08 11:14:09,536 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-08 11:14:09,536 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-08 11:14:09,536 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-08 11:14:09,536 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 11:14:09,541 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.07 11:14:09 BoogieIcfgContainer [2020-07-08 11:14:09,541 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-08 11:14:09,543 INFO L168 Benchmark]: Toolchain (without parser) took 57386.18 ms. Allocated memory was 136.8 MB in the beginning and 731.9 MB in the end (delta: 595.1 MB). Free memory was 99.5 MB in the beginning and 500.8 MB in the end (delta: -401.3 MB). Peak memory consumption was 193.7 MB. Max. memory is 7.1 GB. [2020-07-08 11:14:09,545 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 136.8 MB. Free memory was 118.7 MB in the beginning and 118.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-08 11:14:09,547 INFO L168 Benchmark]: CACSL2BoogieTranslator took 622.23 ms. Allocated memory was 136.8 MB in the beginning and 200.8 MB in the end (delta: 64.0 MB). Free memory was 99.3 MB in the beginning and 168.1 MB in the end (delta: -68.8 MB). Peak memory consumption was 28.7 MB. Max. memory is 7.1 GB. [2020-07-08 11:14:09,551 INFO L168 Benchmark]: Boogie Preprocessor took 148.38 ms. Allocated memory is still 200.8 MB. Free memory was 168.1 MB in the beginning and 162.1 MB in the end (delta: 5.9 MB). Peak memory consumption was 5.9 MB. Max. memory is 7.1 GB. [2020-07-08 11:14:09,552 INFO L168 Benchmark]: RCFGBuilder took 1569.78 ms. Allocated memory was 200.8 MB in the beginning and 231.2 MB in the end (delta: 30.4 MB). Free memory was 162.1 MB in the beginning and 96.2 MB in the end (delta: 66.0 MB). Peak memory consumption was 96.4 MB. Max. memory is 7.1 GB. [2020-07-08 11:14:09,553 INFO L168 Benchmark]: TraceAbstraction took 55040.23 ms. Allocated memory was 231.2 MB in the beginning and 731.9 MB in the end (delta: 500.7 MB). Free memory was 94.8 MB in the beginning and 500.8 MB in the end (delta: -406.1 MB). Peak memory consumption was 94.6 MB. Max. memory is 7.1 GB. [2020-07-08 11:14:09,561 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 0.17 ms. Allocated memory is still 136.8 MB. Free memory was 118.7 MB in the beginning and 118.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 622.23 ms. Allocated memory was 136.8 MB in the beginning and 200.8 MB in the end (delta: 64.0 MB). Free memory was 99.3 MB in the beginning and 168.1 MB in the end (delta: -68.8 MB). Peak memory consumption was 28.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 148.38 ms. Allocated memory is still 200.8 MB. Free memory was 168.1 MB in the beginning and 162.1 MB in the end (delta: 5.9 MB). Peak memory consumption was 5.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1569.78 ms. Allocated memory was 200.8 MB in the beginning and 231.2 MB in the end (delta: 30.4 MB). Free memory was 162.1 MB in the beginning and 96.2 MB in the end (delta: 66.0 MB). Peak memory consumption was 96.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 55040.23 ms. Allocated memory was 231.2 MB in the beginning and 731.9 MB in the end (delta: 500.7 MB). Free memory was 94.8 MB in the beginning and 500.8 MB in the end (delta: -406.1 MB). Peak memory consumption was 94.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 44]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L87] int cleanupTimeShifts = 4; [L357] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L596] int pumpRunning = 0; [L597] int systemActive = 1; [L811] int waterLevel = 1; [L812] int methaneLevelCritical = 0; VAL [\old(cleanupTimeShifts)=171, \old(head)=176, \old(head)=162, \old(methaneLevelCritical)=145, \old(pumpRunning)=135, \old(systemActive)=134, \old(waterLevel)=139, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L165] int retValue_acc ; [L166] 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] [L170] 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] [L171] 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] [L172] 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] [L78] int retValue_acc ; [L81] retValue_acc = 1 [L82] 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] [L172] 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] [L172] tmp = valid_product() [L174] 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] [L176] 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] [L177] 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] [L159] 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] [L745] int splverifierCounter ; [L746] int tmp ; [L747] int tmp___0 ; [L748] int tmp___1 ; [L749] int tmp___2 ; [L752] 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] [L754] 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] [L756] 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] [L762] tmp = __VERIFIER_nondet_int() [L764] 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] [L766] 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] [L829] COND TRUE waterLevel < 2 [L830] 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] [L766] 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] [L772] tmp___0 = __VERIFIER_nondet_int() [L774] 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] [L782] tmp___2 = __VERIFIER_nondet_int() [L784] COND FALSE !(\read(tmp___2)) [L788] tmp___1 = __VERIFIER_nondet_int() [L790] 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=1, tmp___2=0, waterLevel=2] [L792] 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] [L732] 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] [L739] 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] [L792] 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=1, tmp___2=0, waterLevel=2] [L799] 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] [L603] 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] [L610] 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] [L618] 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] [L558] int tmp ; [L559] int tmp___0 ; [L560] 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] [L564] 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] [L850] int retValue_acc ; [L853] retValue_acc = methaneLevelCritical [L854] 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] [L564] 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] [L564] tmp = isMethaneLevelCritical() [L566] 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] [L570] 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] [L882] int retValue_acc ; [L885] retValue_acc = waterLevel [L886] 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] [L570] 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] [L570] tmp___0 = getWaterLevel() [L572] 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] [L574] 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] [L684] int retValue_acc ; [L687] retValue_acc = pumpRunning [L688] 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] [L574] 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] [L574] tmp___1 = isPumpRunning() [L576] 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] [L580] 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] [L44] __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 36 procedures, 213 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 54.7s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 41.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 417 SDtfs, 636 SDslu, 312 SDs, 0 SdLazy, 1610 SolverSat, 407 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 102 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 4.4s 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: 9.7s 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, 61972 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...