/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_product09.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 21:20:31,939 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 21:20:31,941 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 21:20:31,954 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 21:20:31,954 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 21:20:31,955 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 21:20:31,957 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 21:20:31,958 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 21:20:31,960 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 21:20:31,961 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 21:20:31,962 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 21:20:31,963 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 21:20:31,963 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 21:20:31,964 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 21:20:31,965 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 21:20:31,966 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 21:20:31,967 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 21:20:31,968 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 21:20:31,970 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 21:20:31,972 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 21:20:31,973 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 21:20:31,974 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 21:20:31,975 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 21:20:31,976 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 21:20:31,981 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-17 21:20:31,981 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-17 21:20:31,984 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-17 21:20:31,985 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-17 21:20:31,986 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-17 21:20:31,987 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-17 21:20:31,987 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-17 21:20:31,987 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-17 21:20:31,988 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-17 21:20:31,989 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-17 21:20:31,992 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-17 21:20:31,993 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-17 21:20:31,994 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-17 21:20:31,994 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-17 21:20:31,994 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 21:20:31,997 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 21:20:31,998 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 21:20:31,999 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 [2020-07-17 21:20:32,023 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 21:20:32,024 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 21:20:32,025 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-17 21:20:32,025 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-17 21:20:32,026 INFO L138 SettingsManager]: * Use SBE=true [2020-07-17 21:20:32,026 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 21:20:32,026 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 21:20:32,026 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 21:20:32,026 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 21:20:32,027 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 21:20:32,028 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 21:20:32,028 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 21:20:32,028 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 21:20:32,028 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 21:20:32,029 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 21:20:32,029 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 21:20:32,029 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 21:20:32,029 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 21:20:32,029 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-17 21:20:32,030 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 21:20:32,030 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 21:20:32,030 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 21:20:32,030 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 21:20:32,030 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-17 21:20:32,031 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-17 21:20:32,031 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-17 21:20:32,031 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-17 21:20:32,031 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 21:20:32,031 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-17 21:20:32,031 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-17 21:20:32,296 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 21:20:32,314 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 21:20:32,317 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 21:20:32,318 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 21:20:32,319 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 21:20:32,320 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product09.cil.c [2020-07-17 21:20:32,392 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39ead3820/6a384fc51b1347d68753a8b18cc4515d/FLAG032978dd7 [2020-07-17 21:20:32,941 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 21:20:32,942 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product09.cil.c [2020-07-17 21:20:32,954 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39ead3820/6a384fc51b1347d68753a8b18cc4515d/FLAG032978dd7 [2020-07-17 21:20:33,237 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39ead3820/6a384fc51b1347d68753a8b18cc4515d [2020-07-17 21:20:33,247 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 21:20:33,250 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 21:20:33,251 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 21:20:33,251 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 21:20:33,254 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 21:20:33,256 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 09:20:33" (1/1) ... [2020-07-17 21:20:33,259 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c053451 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:20:33, skipping insertion in model container [2020-07-17 21:20:33,259 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 09:20:33" (1/1) ... [2020-07-17 21:20:33,266 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 21:20:33,311 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 21:20:33,643 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 21:20:33,757 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 21:20:33,845 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 21:20:33,890 INFO L208 MainTranslator]: Completed translation [2020-07-17 21:20:33,891 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:20:33 WrapperNode [2020-07-17 21:20:33,891 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 21:20:33,892 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 21:20:33,892 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 21:20:33,892 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 21:20:33,908 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:20:33" (1/1) ... [2020-07-17 21:20:33,908 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:20:33" (1/1) ... [2020-07-17 21:20:33,926 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:20:33" (1/1) ... [2020-07-17 21:20:33,926 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:20:33" (1/1) ... [2020-07-17 21:20:33,979 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:20:33" (1/1) ... [2020-07-17 21:20:33,992 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:20:33" (1/1) ... [2020-07-17 21:20:33,997 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:20:33" (1/1) ... [2020-07-17 21:20:34,006 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 21:20:34,007 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 21:20:34,007 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 21:20:34,007 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 21:20:34,008 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:20:33" (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 [2020-07-17 21:20:34,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 21:20:34,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 21:20:34,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-17 21:20:34,064 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-17 21:20:34,064 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-17 21:20:34,064 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-17 21:20:34,064 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-17 21:20:34,064 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 21:20:34,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-17 21:20:34,064 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-17 21:20:34,064 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-17 21:20:34,065 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-17 21:20:34,065 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-07-17 21:20:34,065 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-17 21:20:34,065 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-17 21:20:34,065 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-17 21:20:34,066 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-17 21:20:34,066 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-17 21:20:34,066 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-07-17 21:20:34,066 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-17 21:20:34,066 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-17 21:20:34,066 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-17 21:20:34,067 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-17 21:20:34,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-17 21:20:34,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-17 21:20:34,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-17 21:20:34,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-17 21:20:34,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-17 21:20:34,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-17 21:20:34,068 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-17 21:20:34,068 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-17 21:20:34,068 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-17 21:20:34,068 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-17 21:20:34,068 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-17 21:20:34,068 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-17 21:20:34,069 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 21:20:34,069 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-17 21:20:34,069 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-17 21:20:34,069 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-17 21:20:34,069 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-17 21:20:34,069 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-17 21:20:34,069 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-17 21:20:34,070 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-17 21:20:34,070 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-17 21:20:34,070 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-17 21:20:34,070 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-17 21:20:34,070 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-17 21:20:34,070 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-17 21:20:34,070 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-17 21:20:34,071 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-17 21:20:34,071 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 21:20:34,071 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-17 21:20:34,071 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-17 21:20:34,071 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-17 21:20:34,071 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-17 21:20:34,071 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-17 21:20:34,072 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-17 21:20:34,072 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-17 21:20:34,072 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-07-17 21:20:34,072 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-17 21:20:34,072 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-07-17 21:20:34,072 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-17 21:20:34,072 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-17 21:20:34,073 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-17 21:20:34,073 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-17 21:20:34,073 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-17 21:20:34,073 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-17 21:20:34,073 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-17 21:20:34,073 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-17 21:20:34,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-17 21:20:34,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-17 21:20:34,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-17 21:20:34,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-17 21:20:34,074 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-17 21:20:34,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-17 21:20:34,074 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-17 21:20:34,074 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-17 21:20:34,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-17 21:20:34,075 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-17 21:20:34,075 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-17 21:20:34,075 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-17 21:20:34,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 21:20:34,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-17 21:20:34,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 21:20:35,573 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 21:20:35,574 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-17 21:20:35,579 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 09:20:35 BoogieIcfgContainer [2020-07-17 21:20:35,579 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 21:20:35,581 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 21:20:35,581 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 21:20:35,584 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 21:20:35,584 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 09:20:33" (1/3) ... [2020-07-17 21:20:35,585 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36736daf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 09:20:35, skipping insertion in model container [2020-07-17 21:20:35,586 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:20:33" (2/3) ... [2020-07-17 21:20:35,586 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36736daf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 09:20:35, skipping insertion in model container [2020-07-17 21:20:35,586 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 09:20:35" (3/3) ... [2020-07-17 21:20:35,589 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product09.cil.c [2020-07-17 21:20:35,602 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-17 21:20:35,611 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 21:20:35,626 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 21:20:35,651 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 21:20:35,652 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 21:20:35,652 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-17 21:20:35,652 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 21:20:35,652 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 21:20:35,653 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 21:20:35,653 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 21:20:35,653 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 21:20:35,676 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states. [2020-07-17 21:20:35,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-17 21:20:35,687 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 21:20:35,688 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] [2020-07-17 21:20:35,688 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 21:20:35,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 21:20:35,695 INFO L82 PathProgramCache]: Analyzing trace with hash -243884949, now seen corresponding path program 1 times [2020-07-17 21:20:35,706 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 21:20:35,706 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709812964] [2020-07-17 21:20:35,707 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 21:20:35,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:20:36,515 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 21:20:36,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:20:36,596 INFO L280 TraceCheckUtils]: 0: Hoare triple {167#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#valid| |old(#valid)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string69.base| |old(#t~string69.base)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(110, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 3 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string14.base, #t~string14.offset, 1);call write~init~int(80, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(117, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(109, #t~string14.base, 3 + #t~string14.offset, 1);call write~init~int(112, #t~string14.base, 4 + #t~string14.offset, 1);call write~init~int(58, #t~string14.base, 5 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 6 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string20.base, #t~string20.offset, 1);call write~init~int(32, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string22.base, #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 1 + #t~string22.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(30);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(9);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(21);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(30);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(21);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(25);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(25);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;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {144#true} is VALID [2020-07-17 21:20:36,597 INFO L280 TraceCheckUtils]: 1: Hoare triple {144#true} assume true; {144#true} is VALID [2020-07-17 21:20:36,597 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {144#true} {144#true} #457#return; {144#true} is VALID [2020-07-17 21:20:36,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:20:36,606 INFO L280 TraceCheckUtils]: 0: Hoare triple {144#true} assume true; {144#true} is VALID [2020-07-17 21:20:36,606 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {144#true} {144#true} #377#return; {144#true} is VALID [2020-07-17 21:20:36,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:20:36,610 INFO L280 TraceCheckUtils]: 0: Hoare triple {144#true} assume true; {144#true} is VALID [2020-07-17 21:20:36,610 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {144#true} {144#true} #379#return; {144#true} is VALID [2020-07-17 21:20:36,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:20:36,615 INFO L280 TraceCheckUtils]: 0: Hoare triple {144#true} havoc ~retValue_acc~4;~retValue_acc~4 := 1;#res := ~retValue_acc~4; {144#true} is VALID [2020-07-17 21:20:36,615 INFO L280 TraceCheckUtils]: 1: Hoare triple {144#true} assume true; {144#true} is VALID [2020-07-17 21:20:36,616 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {144#true} {144#true} #381#return; {144#true} is VALID [2020-07-17 21:20:36,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:20:36,619 INFO L280 TraceCheckUtils]: 0: Hoare triple {144#true} assume true; {144#true} is VALID [2020-07-17 21:20:36,620 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {144#true} {144#true} #383#return; {144#true} is VALID [2020-07-17 21:20:36,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:20:36,624 INFO L280 TraceCheckUtils]: 0: Hoare triple {144#true} havoc ~retValue_acc~8;~retValue_acc~8 := ~methaneLevelCritical~0;#res := ~retValue_acc~8; {144#true} is VALID [2020-07-17 21:20:36,624 INFO L280 TraceCheckUtils]: 1: Hoare triple {144#true} assume true; {144#true} is VALID [2020-07-17 21:20:36,625 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {144#true} {145#false} #449#return; {145#false} is VALID [2020-07-17 21:20:36,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:20:36,629 INFO L280 TraceCheckUtils]: 0: Hoare triple {144#true} havoc ~retValue_acc~9;~retValue_acc~9 := ~waterLevel~0;#res := ~retValue_acc~9; {144#true} is VALID [2020-07-17 21:20:36,629 INFO L280 TraceCheckUtils]: 1: Hoare triple {144#true} assume true; {144#true} is VALID [2020-07-17 21:20:36,630 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {144#true} {145#false} #451#return; {145#false} is VALID [2020-07-17 21:20:36,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:20:36,634 INFO L280 TraceCheckUtils]: 0: Hoare triple {144#true} havoc ~retValue_acc~2;~retValue_acc~2 := ~pumpRunning~0;#res := ~retValue_acc~2; {144#true} is VALID [2020-07-17 21:20:36,634 INFO L280 TraceCheckUtils]: 1: Hoare triple {144#true} assume true; {144#true} is VALID [2020-07-17 21:20:36,635 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {144#true} {145#false} #453#return; {145#false} is VALID [2020-07-17 21:20:36,641 INFO L263 TraceCheckUtils]: 0: Hoare triple {144#true} call ULTIMATE.init(); {167#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#valid| |old(#valid)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string69.base| |old(#t~string69.base)|))} is VALID [2020-07-17 21:20:36,642 INFO L280 TraceCheckUtils]: 1: Hoare triple {167#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#valid| |old(#valid)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string69.base| |old(#t~string69.base)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(110, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 3 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string14.base, #t~string14.offset, 1);call write~init~int(80, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(117, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(109, #t~string14.base, 3 + #t~string14.offset, 1);call write~init~int(112, #t~string14.base, 4 + #t~string14.offset, 1);call write~init~int(58, #t~string14.base, 5 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 6 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string20.base, #t~string20.offset, 1);call write~init~int(32, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string22.base, #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 1 + #t~string22.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(30);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(9);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(21);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(30);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(21);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(25);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(25);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;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {144#true} is VALID [2020-07-17 21:20:36,642 INFO L280 TraceCheckUtils]: 2: Hoare triple {144#true} assume true; {144#true} is VALID [2020-07-17 21:20:36,642 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {144#true} {144#true} #457#return; {144#true} is VALID [2020-07-17 21:20:36,643 INFO L263 TraceCheckUtils]: 4: Hoare triple {144#true} call #t~ret72 := main(); {144#true} is VALID [2020-07-17 21:20:36,643 INFO L280 TraceCheckUtils]: 5: Hoare triple {144#true} havoc ~retValue_acc~0;havoc ~tmp~0; {144#true} is VALID [2020-07-17 21:20:36,643 INFO L263 TraceCheckUtils]: 6: Hoare triple {144#true} call select_helpers(); {144#true} is VALID [2020-07-17 21:20:36,644 INFO L280 TraceCheckUtils]: 7: Hoare triple {144#true} assume true; {144#true} is VALID [2020-07-17 21:20:36,644 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {144#true} {144#true} #377#return; {144#true} is VALID [2020-07-17 21:20:36,644 INFO L263 TraceCheckUtils]: 9: Hoare triple {144#true} call select_features(); {144#true} is VALID [2020-07-17 21:20:36,645 INFO L280 TraceCheckUtils]: 10: Hoare triple {144#true} assume true; {144#true} is VALID [2020-07-17 21:20:36,645 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {144#true} {144#true} #379#return; {144#true} is VALID [2020-07-17 21:20:36,645 INFO L263 TraceCheckUtils]: 12: Hoare triple {144#true} call #t~ret0 := valid_product(); {144#true} is VALID [2020-07-17 21:20:36,646 INFO L280 TraceCheckUtils]: 13: Hoare triple {144#true} havoc ~retValue_acc~4;~retValue_acc~4 := 1;#res := ~retValue_acc~4; {144#true} is VALID [2020-07-17 21:20:36,646 INFO L280 TraceCheckUtils]: 14: Hoare triple {144#true} assume true; {144#true} is VALID [2020-07-17 21:20:36,646 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {144#true} {144#true} #381#return; {144#true} is VALID [2020-07-17 21:20:36,647 INFO L280 TraceCheckUtils]: 16: Hoare triple {144#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647;~tmp~0 := #t~ret0;havoc #t~ret0; {144#true} is VALID [2020-07-17 21:20:36,647 INFO L280 TraceCheckUtils]: 17: Hoare triple {144#true} assume 0 != ~tmp~0; {144#true} is VALID [2020-07-17 21:20:36,647 INFO L263 TraceCheckUtils]: 18: Hoare triple {144#true} call setup(); {144#true} is VALID [2020-07-17 21:20:36,648 INFO L280 TraceCheckUtils]: 19: Hoare triple {144#true} assume true; {144#true} is VALID [2020-07-17 21:20:36,648 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {144#true} {144#true} #383#return; {144#true} is VALID [2020-07-17 21:20:36,648 INFO L263 TraceCheckUtils]: 21: Hoare triple {144#true} call runTest(); {144#true} is VALID [2020-07-17 21:20:36,649 INFO L263 TraceCheckUtils]: 22: Hoare triple {144#true} call test(); {144#true} is VALID [2020-07-17 21:20:36,649 INFO L280 TraceCheckUtils]: 23: Hoare triple {144#true} havoc ~splverifierCounter~0;havoc ~tmp~1;havoc ~tmp___0~0;havoc ~tmp___1~0;havoc ~tmp___2~0;~splverifierCounter~0 := 0; {144#true} is VALID [2020-07-17 21:20:36,650 INFO L280 TraceCheckUtils]: 24: Hoare triple {144#true} assume !true; {145#false} is VALID [2020-07-17 21:20:36,651 INFO L263 TraceCheckUtils]: 25: Hoare triple {145#false} call cleanup(); {145#false} is VALID [2020-07-17 21:20:36,651 INFO L280 TraceCheckUtils]: 26: Hoare triple {145#false} havoc ~i~0;havoc ~__cil_tmp2~0; {145#false} is VALID [2020-07-17 21:20:36,651 INFO L263 TraceCheckUtils]: 27: Hoare triple {145#false} call timeShift(); {145#false} is VALID [2020-07-17 21:20:36,652 INFO L280 TraceCheckUtils]: 28: Hoare triple {145#false} assume !(0 != ~pumpRunning~0); {145#false} is VALID [2020-07-17 21:20:36,652 INFO L280 TraceCheckUtils]: 29: Hoare triple {145#false} assume !(0 != ~systemActive~0); {145#false} is VALID [2020-07-17 21:20:36,652 INFO L263 TraceCheckUtils]: 30: Hoare triple {145#false} call __utac_acc__Specification3_spec__1(); {145#false} is VALID [2020-07-17 21:20:36,653 INFO L280 TraceCheckUtils]: 31: Hoare triple {145#false} havoc ~tmp~3;havoc ~tmp___0~1;havoc ~tmp___1~1; {145#false} is VALID [2020-07-17 21:20:36,653 INFO L263 TraceCheckUtils]: 32: Hoare triple {145#false} call #t~ret23 := isMethaneLevelCritical(); {144#true} is VALID [2020-07-17 21:20:36,653 INFO L280 TraceCheckUtils]: 33: Hoare triple {144#true} havoc ~retValue_acc~8;~retValue_acc~8 := ~methaneLevelCritical~0;#res := ~retValue_acc~8; {144#true} is VALID [2020-07-17 21:20:36,654 INFO L280 TraceCheckUtils]: 34: Hoare triple {144#true} assume true; {144#true} is VALID [2020-07-17 21:20:36,654 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {144#true} {145#false} #449#return; {145#false} is VALID [2020-07-17 21:20:36,654 INFO L280 TraceCheckUtils]: 36: Hoare triple {145#false} assume -2147483648 <= #t~ret23 && #t~ret23 <= 2147483647;~tmp~3 := #t~ret23;havoc #t~ret23; {145#false} is VALID [2020-07-17 21:20:36,654 INFO L280 TraceCheckUtils]: 37: Hoare triple {145#false} assume !(0 != ~tmp~3); {145#false} is VALID [2020-07-17 21:20:36,655 INFO L263 TraceCheckUtils]: 38: Hoare triple {145#false} call #t~ret24 := getWaterLevel(); {144#true} is VALID [2020-07-17 21:20:36,655 INFO L280 TraceCheckUtils]: 39: Hoare triple {144#true} havoc ~retValue_acc~9;~retValue_acc~9 := ~waterLevel~0;#res := ~retValue_acc~9; {144#true} is VALID [2020-07-17 21:20:36,656 INFO L280 TraceCheckUtils]: 40: Hoare triple {144#true} assume true; {144#true} is VALID [2020-07-17 21:20:36,656 INFO L275 TraceCheckUtils]: 41: Hoare quadruple {144#true} {145#false} #451#return; {145#false} is VALID [2020-07-17 21:20:36,656 INFO L280 TraceCheckUtils]: 42: Hoare triple {145#false} assume -2147483648 <= #t~ret24 && #t~ret24 <= 2147483647;~tmp___0~1 := #t~ret24;havoc #t~ret24; {145#false} is VALID [2020-07-17 21:20:36,656 INFO L280 TraceCheckUtils]: 43: Hoare triple {145#false} assume 2 == ~tmp___0~1; {145#false} is VALID [2020-07-17 21:20:36,657 INFO L263 TraceCheckUtils]: 44: Hoare triple {145#false} call #t~ret25 := isPumpRunning(); {144#true} is VALID [2020-07-17 21:20:36,657 INFO L280 TraceCheckUtils]: 45: Hoare triple {144#true} havoc ~retValue_acc~2;~retValue_acc~2 := ~pumpRunning~0;#res := ~retValue_acc~2; {144#true} is VALID [2020-07-17 21:20:36,657 INFO L280 TraceCheckUtils]: 46: Hoare triple {144#true} assume true; {144#true} is VALID [2020-07-17 21:20:36,658 INFO L275 TraceCheckUtils]: 47: Hoare quadruple {144#true} {145#false} #453#return; {145#false} is VALID [2020-07-17 21:20:36,658 INFO L280 TraceCheckUtils]: 48: Hoare triple {145#false} assume -2147483648 <= #t~ret25 && #t~ret25 <= 2147483647;~tmp___1~1 := #t~ret25;havoc #t~ret25; {145#false} is VALID [2020-07-17 21:20:36,658 INFO L280 TraceCheckUtils]: 49: Hoare triple {145#false} assume !(0 != ~tmp___1~1); {145#false} is VALID [2020-07-17 21:20:36,659 INFO L263 TraceCheckUtils]: 50: Hoare triple {145#false} call __automaton_fail(); {145#false} is VALID [2020-07-17 21:20:36,659 INFO L280 TraceCheckUtils]: 51: Hoare triple {145#false} assume !false; {145#false} is VALID [2020-07-17 21:20:36,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 21:20:36,669 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709812964] [2020-07-17 21:20:36,670 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 21:20:36,670 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-17 21:20:36,671 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225512623] [2020-07-17 21:20:36,678 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-17 21:20:36,681 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 21:20:36,685 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-17 21:20:36,774 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 52 edges. 52 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 21:20:36,775 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-17 21:20:36,775 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 21:20:36,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-17 21:20:36,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-17 21:20:36,787 INFO L87 Difference]: Start difference. First operand 141 states. Second operand 3 states. [2020-07-17 21:20:40,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:20:40,098 INFO L93 Difference]: Finished difference Result 211 states and 284 transitions. [2020-07-17 21:20:40,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-17 21:20:40,098 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-17 21:20:40,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 21:20:40,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-17 21:20:40,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 284 transitions. [2020-07-17 21:20:40,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-17 21:20:40,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 284 transitions. [2020-07-17 21:20:40,176 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 284 transitions. [2020-07-17 21:20:41,200 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 284 edges. 284 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 21:20:41,220 INFO L225 Difference]: With dead ends: 211 [2020-07-17 21:20:41,220 INFO L226 Difference]: Without dead ends: 115 [2020-07-17 21:20:41,224 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-17 21:20:41,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2020-07-17 21:20:42,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 87. [2020-07-17 21:20:42,208 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 21:20:42,209 INFO L82 GeneralOperation]: Start isEquivalent. First operand 115 states. Second operand 87 states. [2020-07-17 21:20:42,210 INFO L74 IsIncluded]: Start isIncluded. First operand 115 states. Second operand 87 states. [2020-07-17 21:20:42,211 INFO L87 Difference]: Start difference. First operand 115 states. Second operand 87 states. [2020-07-17 21:20:42,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:20:42,244 INFO L93 Difference]: Finished difference Result 115 states and 146 transitions. [2020-07-17 21:20:42,244 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 146 transitions. [2020-07-17 21:20:42,251 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 21:20:42,252 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 21:20:42,254 INFO L74 IsIncluded]: Start isIncluded. First operand 87 states. Second operand 115 states. [2020-07-17 21:20:42,254 INFO L87 Difference]: Start difference. First operand 87 states. Second operand 115 states. [2020-07-17 21:20:42,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:20:42,283 INFO L93 Difference]: Finished difference Result 115 states and 146 transitions. [2020-07-17 21:20:42,283 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 146 transitions. [2020-07-17 21:20:42,288 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 21:20:42,291 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 21:20:42,291 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 21:20:42,291 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 21:20:42,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-07-17 21:20:42,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 101 transitions. [2020-07-17 21:20:42,308 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 101 transitions. Word has length 52 [2020-07-17 21:20:42,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 21:20:42,308 INFO L479 AbstractCegarLoop]: Abstraction has 87 states and 101 transitions. [2020-07-17 21:20:42,309 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-17 21:20:42,309 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 101 transitions. [2020-07-17 21:20:42,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-07-17 21:20:42,317 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 21:20:42,317 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] [2020-07-17 21:20:42,318 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 21:20:42,318 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 21:20:42,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 21:20:42,319 INFO L82 PathProgramCache]: Analyzing trace with hash -665178200, now seen corresponding path program 1 times [2020-07-17 21:20:42,319 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 21:20:42,319 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517143082] [2020-07-17 21:20:42,319 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 21:20:42,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:20:42,746 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 21:20:42,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:20:42,815 INFO L280 TraceCheckUtils]: 0: Hoare triple {842#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#valid| |old(#valid)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string69.base| |old(#t~string69.base)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(110, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 3 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string14.base, #t~string14.offset, 1);call write~init~int(80, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(117, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(109, #t~string14.base, 3 + #t~string14.offset, 1);call write~init~int(112, #t~string14.base, 4 + #t~string14.offset, 1);call write~init~int(58, #t~string14.base, 5 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 6 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string20.base, #t~string20.offset, 1);call write~init~int(32, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string22.base, #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 1 + #t~string22.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(30);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(9);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(21);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(30);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(21);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(25);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(25);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;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {818#true} is VALID [2020-07-17 21:20:42,815 INFO L280 TraceCheckUtils]: 1: Hoare triple {818#true} assume true; {818#true} is VALID [2020-07-17 21:20:42,816 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {818#true} {818#true} #457#return; {818#true} is VALID [2020-07-17 21:20:42,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:20:42,827 INFO L280 TraceCheckUtils]: 0: Hoare triple {818#true} assume true; {818#true} is VALID [2020-07-17 21:20:42,828 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {818#true} {818#true} #377#return; {818#true} is VALID [2020-07-17 21:20:42,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:20:42,831 INFO L280 TraceCheckUtils]: 0: Hoare triple {818#true} assume true; {818#true} is VALID [2020-07-17 21:20:42,831 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {818#true} {818#true} #379#return; {818#true} is VALID [2020-07-17 21:20:42,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:20:42,837 INFO L280 TraceCheckUtils]: 0: Hoare triple {818#true} havoc ~retValue_acc~4;~retValue_acc~4 := 1;#res := ~retValue_acc~4; {818#true} is VALID [2020-07-17 21:20:42,837 INFO L280 TraceCheckUtils]: 1: Hoare triple {818#true} assume true; {818#true} is VALID [2020-07-17 21:20:42,837 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {818#true} {818#true} #381#return; {818#true} is VALID [2020-07-17 21:20:42,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:20:42,840 INFO L280 TraceCheckUtils]: 0: Hoare triple {818#true} assume true; {818#true} is VALID [2020-07-17 21:20:42,840 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {818#true} {818#true} #383#return; {818#true} is VALID [2020-07-17 21:20:42,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:20:42,844 INFO L280 TraceCheckUtils]: 0: Hoare triple {818#true} havoc ~retValue_acc~8;~retValue_acc~8 := ~methaneLevelCritical~0;#res := ~retValue_acc~8; {818#true} is VALID [2020-07-17 21:20:42,845 INFO L280 TraceCheckUtils]: 1: Hoare triple {818#true} assume true; {818#true} is VALID [2020-07-17 21:20:42,845 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {818#true} {819#false} #449#return; {819#false} is VALID [2020-07-17 21:20:42,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:20:42,850 INFO L280 TraceCheckUtils]: 0: Hoare triple {818#true} havoc ~retValue_acc~9;~retValue_acc~9 := ~waterLevel~0;#res := ~retValue_acc~9; {818#true} is VALID [2020-07-17 21:20:42,850 INFO L280 TraceCheckUtils]: 1: Hoare triple {818#true} assume true; {818#true} is VALID [2020-07-17 21:20:42,851 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {818#true} {819#false} #451#return; {819#false} is VALID [2020-07-17 21:20:42,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:20:42,854 INFO L280 TraceCheckUtils]: 0: Hoare triple {818#true} havoc ~retValue_acc~2;~retValue_acc~2 := ~pumpRunning~0;#res := ~retValue_acc~2; {818#true} is VALID [2020-07-17 21:20:42,854 INFO L280 TraceCheckUtils]: 1: Hoare triple {818#true} assume true; {818#true} is VALID [2020-07-17 21:20:42,855 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {818#true} {819#false} #453#return; {819#false} is VALID [2020-07-17 21:20:42,859 INFO L263 TraceCheckUtils]: 0: Hoare triple {818#true} call ULTIMATE.init(); {842#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#valid| |old(#valid)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string69.base| |old(#t~string69.base)|))} is VALID [2020-07-17 21:20:42,860 INFO L280 TraceCheckUtils]: 1: Hoare triple {842#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#valid| |old(#valid)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string69.base| |old(#t~string69.base)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(110, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 3 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string14.base, #t~string14.offset, 1);call write~init~int(80, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(117, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(109, #t~string14.base, 3 + #t~string14.offset, 1);call write~init~int(112, #t~string14.base, 4 + #t~string14.offset, 1);call write~init~int(58, #t~string14.base, 5 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 6 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string20.base, #t~string20.offset, 1);call write~init~int(32, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string22.base, #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 1 + #t~string22.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(30);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(9);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(21);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(30);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(21);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(25);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(25);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;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {818#true} is VALID [2020-07-17 21:20:42,860 INFO L280 TraceCheckUtils]: 2: Hoare triple {818#true} assume true; {818#true} is VALID [2020-07-17 21:20:42,860 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {818#true} {818#true} #457#return; {818#true} is VALID [2020-07-17 21:20:42,861 INFO L263 TraceCheckUtils]: 4: Hoare triple {818#true} call #t~ret72 := main(); {818#true} is VALID [2020-07-17 21:20:42,861 INFO L280 TraceCheckUtils]: 5: Hoare triple {818#true} havoc ~retValue_acc~0;havoc ~tmp~0; {818#true} is VALID [2020-07-17 21:20:42,861 INFO L263 TraceCheckUtils]: 6: Hoare triple {818#true} call select_helpers(); {818#true} is VALID [2020-07-17 21:20:42,862 INFO L280 TraceCheckUtils]: 7: Hoare triple {818#true} assume true; {818#true} is VALID [2020-07-17 21:20:42,862 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {818#true} {818#true} #377#return; {818#true} is VALID [2020-07-17 21:20:42,862 INFO L263 TraceCheckUtils]: 9: Hoare triple {818#true} call select_features(); {818#true} is VALID [2020-07-17 21:20:42,862 INFO L280 TraceCheckUtils]: 10: Hoare triple {818#true} assume true; {818#true} is VALID [2020-07-17 21:20:42,863 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {818#true} {818#true} #379#return; {818#true} is VALID [2020-07-17 21:20:42,863 INFO L263 TraceCheckUtils]: 12: Hoare triple {818#true} call #t~ret0 := valid_product(); {818#true} is VALID [2020-07-17 21:20:42,863 INFO L280 TraceCheckUtils]: 13: Hoare triple {818#true} havoc ~retValue_acc~4;~retValue_acc~4 := 1;#res := ~retValue_acc~4; {818#true} is VALID [2020-07-17 21:20:42,864 INFO L280 TraceCheckUtils]: 14: Hoare triple {818#true} assume true; {818#true} is VALID [2020-07-17 21:20:42,864 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {818#true} {818#true} #381#return; {818#true} is VALID [2020-07-17 21:20:42,864 INFO L280 TraceCheckUtils]: 16: Hoare triple {818#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647;~tmp~0 := #t~ret0;havoc #t~ret0; {818#true} is VALID [2020-07-17 21:20:42,864 INFO L280 TraceCheckUtils]: 17: Hoare triple {818#true} assume 0 != ~tmp~0; {818#true} is VALID [2020-07-17 21:20:42,865 INFO L263 TraceCheckUtils]: 18: Hoare triple {818#true} call setup(); {818#true} is VALID [2020-07-17 21:20:42,865 INFO L280 TraceCheckUtils]: 19: Hoare triple {818#true} assume true; {818#true} is VALID [2020-07-17 21:20:42,865 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {818#true} {818#true} #383#return; {818#true} is VALID [2020-07-17 21:20:42,866 INFO L263 TraceCheckUtils]: 21: Hoare triple {818#true} call runTest(); {818#true} is VALID [2020-07-17 21:20:42,866 INFO L263 TraceCheckUtils]: 22: Hoare triple {818#true} call test(); {818#true} is VALID [2020-07-17 21:20:42,867 INFO L280 TraceCheckUtils]: 23: Hoare triple {818#true} havoc ~splverifierCounter~0;havoc ~tmp~1;havoc ~tmp___0~0;havoc ~tmp___1~0;havoc ~tmp___2~0;~splverifierCounter~0 := 0; {832#(= 0 test_~splverifierCounter~0)} is VALID [2020-07-17 21:20:42,868 INFO L280 TraceCheckUtils]: 24: Hoare triple {832#(= 0 test_~splverifierCounter~0)} assume !false; {832#(= 0 test_~splverifierCounter~0)} is VALID [2020-07-17 21:20:42,869 INFO L280 TraceCheckUtils]: 25: Hoare triple {832#(= 0 test_~splverifierCounter~0)} assume !(~splverifierCounter~0 < 4); {819#false} is VALID [2020-07-17 21:20:42,870 INFO L263 TraceCheckUtils]: 26: Hoare triple {819#false} call cleanup(); {819#false} is VALID [2020-07-17 21:20:42,870 INFO L280 TraceCheckUtils]: 27: Hoare triple {819#false} havoc ~i~0;havoc ~__cil_tmp2~0; {819#false} is VALID [2020-07-17 21:20:42,870 INFO L263 TraceCheckUtils]: 28: Hoare triple {819#false} call timeShift(); {819#false} is VALID [2020-07-17 21:20:42,870 INFO L280 TraceCheckUtils]: 29: Hoare triple {819#false} assume !(0 != ~pumpRunning~0); {819#false} is VALID [2020-07-17 21:20:42,871 INFO L280 TraceCheckUtils]: 30: Hoare triple {819#false} assume !(0 != ~systemActive~0); {819#false} is VALID [2020-07-17 21:20:42,871 INFO L263 TraceCheckUtils]: 31: Hoare triple {819#false} call __utac_acc__Specification3_spec__1(); {819#false} is VALID [2020-07-17 21:20:42,871 INFO L280 TraceCheckUtils]: 32: Hoare triple {819#false} havoc ~tmp~3;havoc ~tmp___0~1;havoc ~tmp___1~1; {819#false} is VALID [2020-07-17 21:20:42,872 INFO L263 TraceCheckUtils]: 33: Hoare triple {819#false} call #t~ret23 := isMethaneLevelCritical(); {818#true} is VALID [2020-07-17 21:20:42,872 INFO L280 TraceCheckUtils]: 34: Hoare triple {818#true} havoc ~retValue_acc~8;~retValue_acc~8 := ~methaneLevelCritical~0;#res := ~retValue_acc~8; {818#true} is VALID [2020-07-17 21:20:42,872 INFO L280 TraceCheckUtils]: 35: Hoare triple {818#true} assume true; {818#true} is VALID [2020-07-17 21:20:42,872 INFO L275 TraceCheckUtils]: 36: Hoare quadruple {818#true} {819#false} #449#return; {819#false} is VALID [2020-07-17 21:20:42,873 INFO L280 TraceCheckUtils]: 37: Hoare triple {819#false} assume -2147483648 <= #t~ret23 && #t~ret23 <= 2147483647;~tmp~3 := #t~ret23;havoc #t~ret23; {819#false} is VALID [2020-07-17 21:20:42,873 INFO L280 TraceCheckUtils]: 38: Hoare triple {819#false} assume !(0 != ~tmp~3); {819#false} is VALID [2020-07-17 21:20:42,873 INFO L263 TraceCheckUtils]: 39: Hoare triple {819#false} call #t~ret24 := getWaterLevel(); {818#true} is VALID [2020-07-17 21:20:42,873 INFO L280 TraceCheckUtils]: 40: Hoare triple {818#true} havoc ~retValue_acc~9;~retValue_acc~9 := ~waterLevel~0;#res := ~retValue_acc~9; {818#true} is VALID [2020-07-17 21:20:42,874 INFO L280 TraceCheckUtils]: 41: Hoare triple {818#true} assume true; {818#true} is VALID [2020-07-17 21:20:42,874 INFO L275 TraceCheckUtils]: 42: Hoare quadruple {818#true} {819#false} #451#return; {819#false} is VALID [2020-07-17 21:20:42,874 INFO L280 TraceCheckUtils]: 43: Hoare triple {819#false} assume -2147483648 <= #t~ret24 && #t~ret24 <= 2147483647;~tmp___0~1 := #t~ret24;havoc #t~ret24; {819#false} is VALID [2020-07-17 21:20:42,875 INFO L280 TraceCheckUtils]: 44: Hoare triple {819#false} assume 2 == ~tmp___0~1; {819#false} is VALID [2020-07-17 21:20:42,875 INFO L263 TraceCheckUtils]: 45: Hoare triple {819#false} call #t~ret25 := isPumpRunning(); {818#true} is VALID [2020-07-17 21:20:42,875 INFO L280 TraceCheckUtils]: 46: Hoare triple {818#true} havoc ~retValue_acc~2;~retValue_acc~2 := ~pumpRunning~0;#res := ~retValue_acc~2; {818#true} is VALID [2020-07-17 21:20:42,875 INFO L280 TraceCheckUtils]: 47: Hoare triple {818#true} assume true; {818#true} is VALID [2020-07-17 21:20:42,876 INFO L275 TraceCheckUtils]: 48: Hoare quadruple {818#true} {819#false} #453#return; {819#false} is VALID [2020-07-17 21:20:42,876 INFO L280 TraceCheckUtils]: 49: Hoare triple {819#false} assume -2147483648 <= #t~ret25 && #t~ret25 <= 2147483647;~tmp___1~1 := #t~ret25;havoc #t~ret25; {819#false} is VALID [2020-07-17 21:20:42,876 INFO L280 TraceCheckUtils]: 50: Hoare triple {819#false} assume !(0 != ~tmp___1~1); {819#false} is VALID [2020-07-17 21:20:42,876 INFO L263 TraceCheckUtils]: 51: Hoare triple {819#false} call __automaton_fail(); {819#false} is VALID [2020-07-17 21:20:42,877 INFO L280 TraceCheckUtils]: 52: Hoare triple {819#false} assume !false; {819#false} is VALID [2020-07-17 21:20:42,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 21:20:42,883 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517143082] [2020-07-17 21:20:42,883 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 21:20:42,884 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-17 21:20:42,884 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052059924] [2020-07-17 21:20:42,886 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2020-07-17 21:20:42,887 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 21:20:42,887 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-17 21:20:42,956 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 53 edges. 53 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 21:20:42,956 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-17 21:20:42,956 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 21:20:42,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-17 21:20:42,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-17 21:20:42,957 INFO L87 Difference]: Start difference. First operand 87 states and 101 transitions. Second operand 4 states. [2020-07-17 21:20:44,253 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 21:20:46,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:20:46,303 INFO L93 Difference]: Finished difference Result 144 states and 175 transitions. [2020-07-17 21:20:46,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-17 21:20:46,304 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2020-07-17 21:20:46,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 21:20:46,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-17 21:20:46,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 175 transitions. [2020-07-17 21:20:46,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-17 21:20:46,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 175 transitions. [2020-07-17 21:20:46,320 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 175 transitions. [2020-07-17 21:20:46,951 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 175 edges. 175 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 21:20:46,957 INFO L225 Difference]: With dead ends: 144 [2020-07-17 21:20:46,957 INFO L226 Difference]: Without dead ends: 99 [2020-07-17 21:20:46,959 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-17 21:20:46,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2020-07-17 21:20:47,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 78. [2020-07-17 21:20:47,831 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 21:20:47,832 INFO L82 GeneralOperation]: Start isEquivalent. First operand 99 states. Second operand 78 states. [2020-07-17 21:20:47,832 INFO L74 IsIncluded]: Start isIncluded. First operand 99 states. Second operand 78 states. [2020-07-17 21:20:47,832 INFO L87 Difference]: Start difference. First operand 99 states. Second operand 78 states. [2020-07-17 21:20:47,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:20:47,839 INFO L93 Difference]: Finished difference Result 99 states and 122 transitions. [2020-07-17 21:20:47,839 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 122 transitions. [2020-07-17 21:20:47,840 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 21:20:47,840 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 21:20:47,840 INFO L74 IsIncluded]: Start isIncluded. First operand 78 states. Second operand 99 states. [2020-07-17 21:20:47,841 INFO L87 Difference]: Start difference. First operand 78 states. Second operand 99 states. [2020-07-17 21:20:47,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:20:47,847 INFO L93 Difference]: Finished difference Result 99 states and 122 transitions. [2020-07-17 21:20:47,847 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 122 transitions. [2020-07-17 21:20:47,848 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 21:20:47,848 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 21:20:47,849 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 21:20:47,849 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 21:20:47,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-07-17 21:20:47,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 89 transitions. [2020-07-17 21:20:47,853 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 89 transitions. Word has length 53 [2020-07-17 21:20:47,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 21:20:47,853 INFO L479 AbstractCegarLoop]: Abstraction has 78 states and 89 transitions. [2020-07-17 21:20:47,854 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-17 21:20:47,854 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 89 transitions. [2020-07-17 21:20:47,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-17 21:20:47,855 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 21:20:47,855 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] [2020-07-17 21:20:47,856 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 21:20:47,856 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 21:20:47,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 21:20:47,856 INFO L82 PathProgramCache]: Analyzing trace with hash 884065604, now seen corresponding path program 1 times [2020-07-17 21:20:47,857 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 21:20:47,857 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275471907] [2020-07-17 21:20:47,857 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 21:20:47,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:20:48,250 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 21:20:48,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:20:48,365 INFO L280 TraceCheckUtils]: 0: Hoare triple {1392#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#valid| |old(#valid)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string69.base| |old(#t~string69.base)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(110, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 3 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string14.base, #t~string14.offset, 1);call write~init~int(80, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(117, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(109, #t~string14.base, 3 + #t~string14.offset, 1);call write~init~int(112, #t~string14.base, 4 + #t~string14.offset, 1);call write~init~int(58, #t~string14.base, 5 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 6 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string20.base, #t~string20.offset, 1);call write~init~int(32, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string22.base, #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 1 + #t~string22.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(30);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(9);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(21);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(30);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(21);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(25);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(25);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;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {1370#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:20:48,366 INFO L280 TraceCheckUtils]: 1: Hoare triple {1370#(= 1 ~systemActive~0)} assume true; {1370#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:20:48,366 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1370#(= 1 ~systemActive~0)} {1365#true} #457#return; {1370#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:20:48,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:20:48,371 INFO L280 TraceCheckUtils]: 0: Hoare triple {1365#true} assume true; {1365#true} is VALID [2020-07-17 21:20:48,372 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1365#true} {1370#(= 1 ~systemActive~0)} #377#return; {1370#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:20:48,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:20:48,377 INFO L280 TraceCheckUtils]: 0: Hoare triple {1365#true} assume true; {1365#true} is VALID [2020-07-17 21:20:48,378 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1365#true} {1370#(= 1 ~systemActive~0)} #379#return; {1370#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:20:48,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:20:48,445 INFO L280 TraceCheckUtils]: 0: Hoare triple {1365#true} havoc ~retValue_acc~4;~retValue_acc~4 := 1;#res := ~retValue_acc~4; {1393#(and (<= |valid_product_#res| 1) (< 0 |valid_product_#res|))} is VALID [2020-07-17 21:20:48,445 INFO L280 TraceCheckUtils]: 1: Hoare triple {1393#(and (<= |valid_product_#res| 1) (< 0 |valid_product_#res|))} assume true; {1393#(and (<= |valid_product_#res| 1) (< 0 |valid_product_#res|))} is VALID [2020-07-17 21:20:48,447 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1393#(and (<= |valid_product_#res| 1) (< 0 |valid_product_#res|))} {1370#(= 1 ~systemActive~0)} #381#return; {1378#(= |main_#t~ret0| ~systemActive~0)} is VALID [2020-07-17 21:20:48,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:20:48,450 INFO L280 TraceCheckUtils]: 0: Hoare triple {1365#true} assume true; {1365#true} is VALID [2020-07-17 21:20:48,450 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1365#true} {1380#(not (= 0 ~systemActive~0))} #383#return; {1380#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:20:48,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:20:48,452 INFO L280 TraceCheckUtils]: 0: Hoare triple {1365#true} havoc ~retValue_acc~8;~retValue_acc~8 := ~methaneLevelCritical~0;#res := ~retValue_acc~8; {1365#true} is VALID [2020-07-17 21:20:48,453 INFO L280 TraceCheckUtils]: 1: Hoare triple {1365#true} assume true; {1365#true} is VALID [2020-07-17 21:20:48,453 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1365#true} {1366#false} #449#return; {1366#false} is VALID [2020-07-17 21:20:48,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:20:48,455 INFO L280 TraceCheckUtils]: 0: Hoare triple {1365#true} havoc ~retValue_acc~9;~retValue_acc~9 := ~waterLevel~0;#res := ~retValue_acc~9; {1365#true} is VALID [2020-07-17 21:20:48,455 INFO L280 TraceCheckUtils]: 1: Hoare triple {1365#true} assume true; {1365#true} is VALID [2020-07-17 21:20:48,455 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1365#true} {1366#false} #451#return; {1366#false} is VALID [2020-07-17 21:20:48,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:20:48,458 INFO L280 TraceCheckUtils]: 0: Hoare triple {1365#true} havoc ~retValue_acc~2;~retValue_acc~2 := ~pumpRunning~0;#res := ~retValue_acc~2; {1365#true} is VALID [2020-07-17 21:20:48,458 INFO L280 TraceCheckUtils]: 1: Hoare triple {1365#true} assume true; {1365#true} is VALID [2020-07-17 21:20:48,458 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1365#true} {1366#false} #453#return; {1366#false} is VALID [2020-07-17 21:20:48,463 INFO L263 TraceCheckUtils]: 0: Hoare triple {1365#true} call ULTIMATE.init(); {1392#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#valid| |old(#valid)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string69.base| |old(#t~string69.base)|))} is VALID [2020-07-17 21:20:48,467 INFO L280 TraceCheckUtils]: 1: Hoare triple {1392#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#valid| |old(#valid)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string69.base| |old(#t~string69.base)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(110, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 3 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string14.base, #t~string14.offset, 1);call write~init~int(80, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(117, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(109, #t~string14.base, 3 + #t~string14.offset, 1);call write~init~int(112, #t~string14.base, 4 + #t~string14.offset, 1);call write~init~int(58, #t~string14.base, 5 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 6 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string20.base, #t~string20.offset, 1);call write~init~int(32, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string22.base, #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 1 + #t~string22.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(30);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(9);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(21);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(30);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(21);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(25);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(25);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;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {1370#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:20:48,468 INFO L280 TraceCheckUtils]: 2: Hoare triple {1370#(= 1 ~systemActive~0)} assume true; {1370#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:20:48,469 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {1370#(= 1 ~systemActive~0)} {1365#true} #457#return; {1370#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:20:48,469 INFO L263 TraceCheckUtils]: 4: Hoare triple {1370#(= 1 ~systemActive~0)} call #t~ret72 := main(); {1370#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:20:48,470 INFO L280 TraceCheckUtils]: 5: Hoare triple {1370#(= 1 ~systemActive~0)} havoc ~retValue_acc~0;havoc ~tmp~0; {1370#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:20:48,470 INFO L263 TraceCheckUtils]: 6: Hoare triple {1370#(= 1 ~systemActive~0)} call select_helpers(); {1365#true} is VALID [2020-07-17 21:20:48,471 INFO L280 TraceCheckUtils]: 7: Hoare triple {1365#true} assume true; {1365#true} is VALID [2020-07-17 21:20:48,471 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {1365#true} {1370#(= 1 ~systemActive~0)} #377#return; {1370#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:20:48,472 INFO L263 TraceCheckUtils]: 9: Hoare triple {1370#(= 1 ~systemActive~0)} call select_features(); {1365#true} is VALID [2020-07-17 21:20:48,472 INFO L280 TraceCheckUtils]: 10: Hoare triple {1365#true} assume true; {1365#true} is VALID [2020-07-17 21:20:48,472 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {1365#true} {1370#(= 1 ~systemActive~0)} #379#return; {1370#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:20:48,473 INFO L263 TraceCheckUtils]: 12: Hoare triple {1370#(= 1 ~systemActive~0)} call #t~ret0 := valid_product(); {1365#true} is VALID [2020-07-17 21:20:48,473 INFO L280 TraceCheckUtils]: 13: Hoare triple {1365#true} havoc ~retValue_acc~4;~retValue_acc~4 := 1;#res := ~retValue_acc~4; {1393#(and (<= |valid_product_#res| 1) (< 0 |valid_product_#res|))} is VALID [2020-07-17 21:20:48,474 INFO L280 TraceCheckUtils]: 14: Hoare triple {1393#(and (<= |valid_product_#res| 1) (< 0 |valid_product_#res|))} assume true; {1393#(and (<= |valid_product_#res| 1) (< 0 |valid_product_#res|))} is VALID [2020-07-17 21:20:48,475 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {1393#(and (<= |valid_product_#res| 1) (< 0 |valid_product_#res|))} {1370#(= 1 ~systemActive~0)} #381#return; {1378#(= |main_#t~ret0| ~systemActive~0)} is VALID [2020-07-17 21:20:48,476 INFO L280 TraceCheckUtils]: 16: Hoare triple {1378#(= |main_#t~ret0| ~systemActive~0)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647;~tmp~0 := #t~ret0;havoc #t~ret0; {1379#(= main_~tmp~0 ~systemActive~0)} is VALID [2020-07-17 21:20:48,476 INFO L280 TraceCheckUtils]: 17: Hoare triple {1379#(= main_~tmp~0 ~systemActive~0)} assume 0 != ~tmp~0; {1380#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:20:48,477 INFO L263 TraceCheckUtils]: 18: Hoare triple {1380#(not (= 0 ~systemActive~0))} call setup(); {1365#true} is VALID [2020-07-17 21:20:48,477 INFO L280 TraceCheckUtils]: 19: Hoare triple {1365#true} assume true; {1365#true} is VALID [2020-07-17 21:20:48,477 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {1365#true} {1380#(not (= 0 ~systemActive~0))} #383#return; {1380#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:20:48,479 INFO L263 TraceCheckUtils]: 21: Hoare triple {1380#(not (= 0 ~systemActive~0))} call runTest(); {1380#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:20:48,479 INFO L263 TraceCheckUtils]: 22: Hoare triple {1380#(not (= 0 ~systemActive~0))} call test(); {1380#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:20:48,480 INFO L280 TraceCheckUtils]: 23: Hoare triple {1380#(not (= 0 ~systemActive~0))} havoc ~splverifierCounter~0;havoc ~tmp~1;havoc ~tmp___0~0;havoc ~tmp___1~0;havoc ~tmp___2~0;~splverifierCounter~0 := 0; {1380#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:20:48,484 INFO L280 TraceCheckUtils]: 24: Hoare triple {1380#(not (= 0 ~systemActive~0))} assume !false; {1380#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:20:48,484 INFO L280 TraceCheckUtils]: 25: Hoare triple {1380#(not (= 0 ~systemActive~0))} assume ~splverifierCounter~0 < 4; {1380#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:20:48,485 INFO L280 TraceCheckUtils]: 26: Hoare triple {1380#(not (= 0 ~systemActive~0))} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647;~tmp~1 := #t~nondet1;havoc #t~nondet1; {1380#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:20:48,485 INFO L280 TraceCheckUtils]: 27: Hoare triple {1380#(not (= 0 ~systemActive~0))} assume !(0 != ~tmp~1); {1380#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:20:48,486 INFO L280 TraceCheckUtils]: 28: Hoare triple {1380#(not (= 0 ~systemActive~0))} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647;~tmp___0~0 := #t~nondet2;havoc #t~nondet2; {1380#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:20:48,486 INFO L280 TraceCheckUtils]: 29: Hoare triple {1380#(not (= 0 ~systemActive~0))} assume !(0 != ~tmp___0~0); {1380#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:20:48,486 INFO L280 TraceCheckUtils]: 30: Hoare triple {1380#(not (= 0 ~systemActive~0))} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647;~tmp___2~0 := #t~nondet3;havoc #t~nondet3; {1380#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:20:48,487 INFO L280 TraceCheckUtils]: 31: Hoare triple {1380#(not (= 0 ~systemActive~0))} assume 0 != ~tmp___2~0; {1380#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:20:48,487 INFO L263 TraceCheckUtils]: 32: Hoare triple {1380#(not (= 0 ~systemActive~0))} call timeShift(); {1380#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:20:48,488 INFO L280 TraceCheckUtils]: 33: Hoare triple {1380#(not (= 0 ~systemActive~0))} assume !(0 != ~pumpRunning~0); {1380#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:20:48,488 INFO L280 TraceCheckUtils]: 34: Hoare triple {1380#(not (= 0 ~systemActive~0))} assume !(0 != ~systemActive~0); {1366#false} is VALID [2020-07-17 21:20:48,488 INFO L263 TraceCheckUtils]: 35: Hoare triple {1366#false} call __utac_acc__Specification3_spec__1(); {1366#false} is VALID [2020-07-17 21:20:48,488 INFO L280 TraceCheckUtils]: 36: Hoare triple {1366#false} havoc ~tmp~3;havoc ~tmp___0~1;havoc ~tmp___1~1; {1366#false} is VALID [2020-07-17 21:20:48,489 INFO L263 TraceCheckUtils]: 37: Hoare triple {1366#false} call #t~ret23 := isMethaneLevelCritical(); {1365#true} is VALID [2020-07-17 21:20:48,489 INFO L280 TraceCheckUtils]: 38: Hoare triple {1365#true} havoc ~retValue_acc~8;~retValue_acc~8 := ~methaneLevelCritical~0;#res := ~retValue_acc~8; {1365#true} is VALID [2020-07-17 21:20:48,489 INFO L280 TraceCheckUtils]: 39: Hoare triple {1365#true} assume true; {1365#true} is VALID [2020-07-17 21:20:48,489 INFO L275 TraceCheckUtils]: 40: Hoare quadruple {1365#true} {1366#false} #449#return; {1366#false} is VALID [2020-07-17 21:20:48,489 INFO L280 TraceCheckUtils]: 41: Hoare triple {1366#false} assume -2147483648 <= #t~ret23 && #t~ret23 <= 2147483647;~tmp~3 := #t~ret23;havoc #t~ret23; {1366#false} is VALID [2020-07-17 21:20:48,489 INFO L280 TraceCheckUtils]: 42: Hoare triple {1366#false} assume !(0 != ~tmp~3); {1366#false} is VALID [2020-07-17 21:20:48,490 INFO L263 TraceCheckUtils]: 43: Hoare triple {1366#false} call #t~ret24 := getWaterLevel(); {1365#true} is VALID [2020-07-17 21:20:48,490 INFO L280 TraceCheckUtils]: 44: Hoare triple {1365#true} havoc ~retValue_acc~9;~retValue_acc~9 := ~waterLevel~0;#res := ~retValue_acc~9; {1365#true} is VALID [2020-07-17 21:20:48,490 INFO L280 TraceCheckUtils]: 45: Hoare triple {1365#true} assume true; {1365#true} is VALID [2020-07-17 21:20:48,490 INFO L275 TraceCheckUtils]: 46: Hoare quadruple {1365#true} {1366#false} #451#return; {1366#false} is VALID [2020-07-17 21:20:48,490 INFO L280 TraceCheckUtils]: 47: Hoare triple {1366#false} assume -2147483648 <= #t~ret24 && #t~ret24 <= 2147483647;~tmp___0~1 := #t~ret24;havoc #t~ret24; {1366#false} is VALID [2020-07-17 21:20:48,491 INFO L280 TraceCheckUtils]: 48: Hoare triple {1366#false} assume 2 == ~tmp___0~1; {1366#false} is VALID [2020-07-17 21:20:48,491 INFO L263 TraceCheckUtils]: 49: Hoare triple {1366#false} call #t~ret25 := isPumpRunning(); {1365#true} is VALID [2020-07-17 21:20:48,491 INFO L280 TraceCheckUtils]: 50: Hoare triple {1365#true} havoc ~retValue_acc~2;~retValue_acc~2 := ~pumpRunning~0;#res := ~retValue_acc~2; {1365#true} is VALID [2020-07-17 21:20:48,491 INFO L280 TraceCheckUtils]: 51: Hoare triple {1365#true} assume true; {1365#true} is VALID [2020-07-17 21:20:48,491 INFO L275 TraceCheckUtils]: 52: Hoare quadruple {1365#true} {1366#false} #453#return; {1366#false} is VALID [2020-07-17 21:20:48,492 INFO L280 TraceCheckUtils]: 53: Hoare triple {1366#false} assume -2147483648 <= #t~ret25 && #t~ret25 <= 2147483647;~tmp___1~1 := #t~ret25;havoc #t~ret25; {1366#false} is VALID [2020-07-17 21:20:48,492 INFO L280 TraceCheckUtils]: 54: Hoare triple {1366#false} assume !(0 != ~tmp___1~1); {1366#false} is VALID [2020-07-17 21:20:48,492 INFO L263 TraceCheckUtils]: 55: Hoare triple {1366#false} call __automaton_fail(); {1366#false} is VALID [2020-07-17 21:20:48,492 INFO L280 TraceCheckUtils]: 56: Hoare triple {1366#false} assume !false; {1366#false} is VALID [2020-07-17 21:20:48,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 21:20:48,501 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275471907] [2020-07-17 21:20:48,501 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 21:20:48,501 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-17 21:20:48,501 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157804388] [2020-07-17 21:20:48,502 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 57 [2020-07-17 21:20:48,502 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 21:20:48,502 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2020-07-17 21:20:48,576 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 57 edges. 57 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 21:20:48,577 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-17 21:20:48,577 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 21:20:48,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-17 21:20:48,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-17 21:20:48,578 INFO L87 Difference]: Start difference. First operand 78 states and 89 transitions. Second operand 8 states. [2020-07-17 21:20:49,364 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 21:20:50,413 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 21:20:50,852 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 21:20:51,192 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 21:20:56,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:20:56,114 INFO L93 Difference]: Finished difference Result 153 states and 189 transitions. [2020-07-17 21:20:56,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-17 21:20:56,115 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 57 [2020-07-17 21:20:56,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 21:20:56,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-17 21:20:56,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 189 transitions. [2020-07-17 21:20:56,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-17 21:20:56,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 189 transitions. [2020-07-17 21:20:56,126 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 189 transitions. [2020-07-17 21:20:56,793 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 189 edges. 189 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 21:20:56,798 INFO L225 Difference]: With dead ends: 153 [2020-07-17 21:20:56,798 INFO L226 Difference]: Without dead ends: 99 [2020-07-17 21:20:56,799 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-07-17 21:20:56,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2020-07-17 21:20:57,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 78. [2020-07-17 21:20:57,743 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 21:20:57,743 INFO L82 GeneralOperation]: Start isEquivalent. First operand 99 states. Second operand 78 states. [2020-07-17 21:20:57,743 INFO L74 IsIncluded]: Start isIncluded. First operand 99 states. Second operand 78 states. [2020-07-17 21:20:57,743 INFO L87 Difference]: Start difference. First operand 99 states. Second operand 78 states. [2020-07-17 21:20:57,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:20:57,749 INFO L93 Difference]: Finished difference Result 99 states and 120 transitions. [2020-07-17 21:20:57,749 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 120 transitions. [2020-07-17 21:20:57,750 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 21:20:57,750 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 21:20:57,750 INFO L74 IsIncluded]: Start isIncluded. First operand 78 states. Second operand 99 states. [2020-07-17 21:20:57,750 INFO L87 Difference]: Start difference. First operand 78 states. Second operand 99 states. [2020-07-17 21:20:57,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:20:57,756 INFO L93 Difference]: Finished difference Result 99 states and 120 transitions. [2020-07-17 21:20:57,756 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 120 transitions. [2020-07-17 21:20:57,757 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 21:20:57,757 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 21:20:57,757 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 21:20:57,757 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 21:20:57,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-07-17 21:20:57,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 88 transitions. [2020-07-17 21:20:57,760 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 88 transitions. Word has length 57 [2020-07-17 21:20:57,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 21:20:57,761 INFO L479 AbstractCegarLoop]: Abstraction has 78 states and 88 transitions. [2020-07-17 21:20:57,761 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-17 21:20:57,761 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 88 transitions. [2020-07-17 21:20:57,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-17 21:20:57,762 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 21:20:57,763 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] [2020-07-17 21:20:57,763 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-17 21:20:57,763 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 21:20:57,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 21:20:57,763 INFO L82 PathProgramCache]: Analyzing trace with hash 1049632545, now seen corresponding path program 1 times [2020-07-17 21:20:57,764 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 21:20:57,764 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565774728] [2020-07-17 21:20:57,764 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 21:20:57,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:20:58,136 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 21:20:58,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:20:58,253 INFO L280 TraceCheckUtils]: 0: Hoare triple {1961#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#valid| |old(#valid)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string69.base| |old(#t~string69.base)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(110, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 3 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string14.base, #t~string14.offset, 1);call write~init~int(80, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(117, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(109, #t~string14.base, 3 + #t~string14.offset, 1);call write~init~int(112, #t~string14.base, 4 + #t~string14.offset, 1);call write~init~int(58, #t~string14.base, 5 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 6 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string20.base, #t~string20.offset, 1);call write~init~int(32, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string22.base, #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 1 + #t~string22.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(30);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(9);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(21);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(30);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(21);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(25);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(25);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;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {1938#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:58,254 INFO L280 TraceCheckUtils]: 1: Hoare triple {1938#(= 1 ~waterLevel~0)} assume true; {1938#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:58,255 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1938#(= 1 ~waterLevel~0)} {1933#true} #457#return; {1938#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:58,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:20:58,260 INFO L280 TraceCheckUtils]: 0: Hoare triple {1933#true} assume true; {1933#true} is VALID [2020-07-17 21:20:58,261 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1933#true} {1938#(= 1 ~waterLevel~0)} #377#return; {1938#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:58,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:20:58,266 INFO L280 TraceCheckUtils]: 0: Hoare triple {1933#true} assume true; {1933#true} is VALID [2020-07-17 21:20:58,267 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1933#true} {1938#(= 1 ~waterLevel~0)} #379#return; {1938#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:58,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:20:58,275 INFO L280 TraceCheckUtils]: 0: Hoare triple {1933#true} havoc ~retValue_acc~4;~retValue_acc~4 := 1;#res := ~retValue_acc~4; {1933#true} is VALID [2020-07-17 21:20:58,275 INFO L280 TraceCheckUtils]: 1: Hoare triple {1933#true} assume true; {1933#true} is VALID [2020-07-17 21:20:58,276 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1933#true} {1938#(= 1 ~waterLevel~0)} #381#return; {1938#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:58,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:20:58,280 INFO L280 TraceCheckUtils]: 0: Hoare triple {1933#true} assume true; {1933#true} is VALID [2020-07-17 21:20:58,281 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1933#true} {1938#(= 1 ~waterLevel~0)} #383#return; {1938#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:58,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:20:58,284 INFO L280 TraceCheckUtils]: 0: Hoare triple {1933#true} assume true; {1933#true} is VALID [2020-07-17 21:20:58,284 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1933#true} {1938#(= 1 ~waterLevel~0)} #431#return; {1938#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:58,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:20:58,288 INFO L280 TraceCheckUtils]: 0: Hoare triple {1933#true} havoc ~retValue_acc~8;~retValue_acc~8 := ~methaneLevelCritical~0;#res := ~retValue_acc~8; {1933#true} is VALID [2020-07-17 21:20:58,289 INFO L280 TraceCheckUtils]: 1: Hoare triple {1933#true} assume true; {1933#true} is VALID [2020-07-17 21:20:58,289 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1933#true} {1938#(= 1 ~waterLevel~0)} #449#return; {1938#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:58,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:20:58,306 INFO L280 TraceCheckUtils]: 0: Hoare triple {1933#true} havoc ~retValue_acc~9;~retValue_acc~9 := ~waterLevel~0;#res := ~retValue_acc~9; {1962#(= |getWaterLevel_#res| ~waterLevel~0)} is VALID [2020-07-17 21:20:58,307 INFO L280 TraceCheckUtils]: 1: Hoare triple {1962#(= |getWaterLevel_#res| ~waterLevel~0)} assume true; {1962#(= |getWaterLevel_#res| ~waterLevel~0)} is VALID [2020-07-17 21:20:58,307 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1962#(= |getWaterLevel_#res| ~waterLevel~0)} {1938#(= 1 ~waterLevel~0)} #451#return; {1956#(= 1 |__utac_acc__Specification3_spec__1_#t~ret24|)} is VALID [2020-07-17 21:20:58,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:20:58,312 INFO L280 TraceCheckUtils]: 0: Hoare triple {1933#true} havoc ~retValue_acc~2;~retValue_acc~2 := ~pumpRunning~0;#res := ~retValue_acc~2; {1933#true} is VALID [2020-07-17 21:20:58,312 INFO L280 TraceCheckUtils]: 1: Hoare triple {1933#true} assume true; {1933#true} is VALID [2020-07-17 21:20:58,312 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1933#true} {1934#false} #453#return; {1934#false} is VALID [2020-07-17 21:20:58,316 INFO L263 TraceCheckUtils]: 0: Hoare triple {1933#true} call ULTIMATE.init(); {1961#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#valid| |old(#valid)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string69.base| |old(#t~string69.base)|))} is VALID [2020-07-17 21:20:58,322 INFO L280 TraceCheckUtils]: 1: Hoare triple {1961#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#valid| |old(#valid)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string69.base| |old(#t~string69.base)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(110, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 3 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string14.base, #t~string14.offset, 1);call write~init~int(80, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(117, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(109, #t~string14.base, 3 + #t~string14.offset, 1);call write~init~int(112, #t~string14.base, 4 + #t~string14.offset, 1);call write~init~int(58, #t~string14.base, 5 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 6 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string20.base, #t~string20.offset, 1);call write~init~int(32, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string22.base, #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 1 + #t~string22.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(30);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(9);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(21);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(30);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(21);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(25);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(25);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;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {1938#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:58,322 INFO L280 TraceCheckUtils]: 2: Hoare triple {1938#(= 1 ~waterLevel~0)} assume true; {1938#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:58,324 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {1938#(= 1 ~waterLevel~0)} {1933#true} #457#return; {1938#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:58,326 INFO L263 TraceCheckUtils]: 4: Hoare triple {1938#(= 1 ~waterLevel~0)} call #t~ret72 := main(); {1938#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:58,327 INFO L280 TraceCheckUtils]: 5: Hoare triple {1938#(= 1 ~waterLevel~0)} havoc ~retValue_acc~0;havoc ~tmp~0; {1938#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:58,327 INFO L263 TraceCheckUtils]: 6: Hoare triple {1938#(= 1 ~waterLevel~0)} call select_helpers(); {1933#true} is VALID [2020-07-17 21:20:58,327 INFO L280 TraceCheckUtils]: 7: Hoare triple {1933#true} assume true; {1933#true} is VALID [2020-07-17 21:20:58,330 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {1933#true} {1938#(= 1 ~waterLevel~0)} #377#return; {1938#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:58,330 INFO L263 TraceCheckUtils]: 9: Hoare triple {1938#(= 1 ~waterLevel~0)} call select_features(); {1933#true} is VALID [2020-07-17 21:20:58,331 INFO L280 TraceCheckUtils]: 10: Hoare triple {1933#true} assume true; {1933#true} is VALID [2020-07-17 21:20:58,332 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {1933#true} {1938#(= 1 ~waterLevel~0)} #379#return; {1938#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:58,332 INFO L263 TraceCheckUtils]: 12: Hoare triple {1938#(= 1 ~waterLevel~0)} call #t~ret0 := valid_product(); {1933#true} is VALID [2020-07-17 21:20:58,332 INFO L280 TraceCheckUtils]: 13: Hoare triple {1933#true} havoc ~retValue_acc~4;~retValue_acc~4 := 1;#res := ~retValue_acc~4; {1933#true} is VALID [2020-07-17 21:20:58,332 INFO L280 TraceCheckUtils]: 14: Hoare triple {1933#true} assume true; {1933#true} is VALID [2020-07-17 21:20:58,333 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {1933#true} {1938#(= 1 ~waterLevel~0)} #381#return; {1938#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:58,334 INFO L280 TraceCheckUtils]: 16: Hoare triple {1938#(= 1 ~waterLevel~0)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647;~tmp~0 := #t~ret0;havoc #t~ret0; {1938#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:58,334 INFO L280 TraceCheckUtils]: 17: Hoare triple {1938#(= 1 ~waterLevel~0)} assume 0 != ~tmp~0; {1938#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:58,334 INFO L263 TraceCheckUtils]: 18: Hoare triple {1938#(= 1 ~waterLevel~0)} call setup(); {1933#true} is VALID [2020-07-17 21:20:58,335 INFO L280 TraceCheckUtils]: 19: Hoare triple {1933#true} assume true; {1933#true} is VALID [2020-07-17 21:20:58,335 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {1933#true} {1938#(= 1 ~waterLevel~0)} #383#return; {1938#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:58,336 INFO L263 TraceCheckUtils]: 21: Hoare triple {1938#(= 1 ~waterLevel~0)} call runTest(); {1938#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:58,336 INFO L263 TraceCheckUtils]: 22: Hoare triple {1938#(= 1 ~waterLevel~0)} call test(); {1938#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:58,337 INFO L280 TraceCheckUtils]: 23: Hoare triple {1938#(= 1 ~waterLevel~0)} havoc ~splverifierCounter~0;havoc ~tmp~1;havoc ~tmp___0~0;havoc ~tmp___1~0;havoc ~tmp___2~0;~splverifierCounter~0 := 0; {1938#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:58,337 INFO L280 TraceCheckUtils]: 24: Hoare triple {1938#(= 1 ~waterLevel~0)} assume !false; {1938#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:58,338 INFO L280 TraceCheckUtils]: 25: Hoare triple {1938#(= 1 ~waterLevel~0)} assume ~splverifierCounter~0 < 4; {1938#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:58,339 INFO L280 TraceCheckUtils]: 26: Hoare triple {1938#(= 1 ~waterLevel~0)} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647;~tmp~1 := #t~nondet1;havoc #t~nondet1; {1938#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:58,340 INFO L280 TraceCheckUtils]: 27: Hoare triple {1938#(= 1 ~waterLevel~0)} assume !(0 != ~tmp~1); {1938#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:58,341 INFO L280 TraceCheckUtils]: 28: Hoare triple {1938#(= 1 ~waterLevel~0)} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647;~tmp___0~0 := #t~nondet2;havoc #t~nondet2; {1938#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:58,341 INFO L280 TraceCheckUtils]: 29: Hoare triple {1938#(= 1 ~waterLevel~0)} assume !(0 != ~tmp___0~0); {1938#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:58,342 INFO L280 TraceCheckUtils]: 30: Hoare triple {1938#(= 1 ~waterLevel~0)} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647;~tmp___2~0 := #t~nondet3;havoc #t~nondet3; {1938#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:58,343 INFO L280 TraceCheckUtils]: 31: Hoare triple {1938#(= 1 ~waterLevel~0)} assume 0 != ~tmp___2~0; {1938#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:58,343 INFO L263 TraceCheckUtils]: 32: Hoare triple {1938#(= 1 ~waterLevel~0)} call timeShift(); {1938#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:58,344 INFO L280 TraceCheckUtils]: 33: Hoare triple {1938#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {1938#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:58,344 INFO L280 TraceCheckUtils]: 34: Hoare triple {1938#(= 1 ~waterLevel~0)} assume 0 != ~systemActive~0; {1938#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:58,345 INFO L263 TraceCheckUtils]: 35: Hoare triple {1938#(= 1 ~waterLevel~0)} call processEnvironment(); {1933#true} is VALID [2020-07-17 21:20:58,345 INFO L280 TraceCheckUtils]: 36: Hoare triple {1933#true} assume true; {1933#true} is VALID [2020-07-17 21:20:58,346 INFO L275 TraceCheckUtils]: 37: Hoare quadruple {1933#true} {1938#(= 1 ~waterLevel~0)} #431#return; {1938#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:58,346 INFO L263 TraceCheckUtils]: 38: Hoare triple {1938#(= 1 ~waterLevel~0)} call __utac_acc__Specification3_spec__1(); {1938#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:58,347 INFO L280 TraceCheckUtils]: 39: Hoare triple {1938#(= 1 ~waterLevel~0)} havoc ~tmp~3;havoc ~tmp___0~1;havoc ~tmp___1~1; {1938#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:58,347 INFO L263 TraceCheckUtils]: 40: Hoare triple {1938#(= 1 ~waterLevel~0)} call #t~ret23 := isMethaneLevelCritical(); {1933#true} is VALID [2020-07-17 21:20:58,347 INFO L280 TraceCheckUtils]: 41: Hoare triple {1933#true} havoc ~retValue_acc~8;~retValue_acc~8 := ~methaneLevelCritical~0;#res := ~retValue_acc~8; {1933#true} is VALID [2020-07-17 21:20:58,347 INFO L280 TraceCheckUtils]: 42: Hoare triple {1933#true} assume true; {1933#true} is VALID [2020-07-17 21:20:58,348 INFO L275 TraceCheckUtils]: 43: Hoare quadruple {1933#true} {1938#(= 1 ~waterLevel~0)} #449#return; {1938#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:58,348 INFO L280 TraceCheckUtils]: 44: Hoare triple {1938#(= 1 ~waterLevel~0)} assume -2147483648 <= #t~ret23 && #t~ret23 <= 2147483647;~tmp~3 := #t~ret23;havoc #t~ret23; {1938#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:58,349 INFO L280 TraceCheckUtils]: 45: Hoare triple {1938#(= 1 ~waterLevel~0)} assume !(0 != ~tmp~3); {1938#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:58,349 INFO L263 TraceCheckUtils]: 46: Hoare triple {1938#(= 1 ~waterLevel~0)} call #t~ret24 := getWaterLevel(); {1933#true} is VALID [2020-07-17 21:20:58,350 INFO L280 TraceCheckUtils]: 47: Hoare triple {1933#true} havoc ~retValue_acc~9;~retValue_acc~9 := ~waterLevel~0;#res := ~retValue_acc~9; {1962#(= |getWaterLevel_#res| ~waterLevel~0)} is VALID [2020-07-17 21:20:58,350 INFO L280 TraceCheckUtils]: 48: Hoare triple {1962#(= |getWaterLevel_#res| ~waterLevel~0)} assume true; {1962#(= |getWaterLevel_#res| ~waterLevel~0)} is VALID [2020-07-17 21:20:58,351 INFO L275 TraceCheckUtils]: 49: Hoare quadruple {1962#(= |getWaterLevel_#res| ~waterLevel~0)} {1938#(= 1 ~waterLevel~0)} #451#return; {1956#(= 1 |__utac_acc__Specification3_spec__1_#t~ret24|)} is VALID [2020-07-17 21:20:58,352 INFO L280 TraceCheckUtils]: 50: Hoare triple {1956#(= 1 |__utac_acc__Specification3_spec__1_#t~ret24|)} assume -2147483648 <= #t~ret24 && #t~ret24 <= 2147483647;~tmp___0~1 := #t~ret24;havoc #t~ret24; {1957#(= 1 __utac_acc__Specification3_spec__1_~tmp___0~1)} is VALID [2020-07-17 21:20:58,352 INFO L280 TraceCheckUtils]: 51: Hoare triple {1957#(= 1 __utac_acc__Specification3_spec__1_~tmp___0~1)} assume 2 == ~tmp___0~1; {1934#false} is VALID [2020-07-17 21:20:58,353 INFO L263 TraceCheckUtils]: 52: Hoare triple {1934#false} call #t~ret25 := isPumpRunning(); {1933#true} is VALID [2020-07-17 21:20:58,353 INFO L280 TraceCheckUtils]: 53: Hoare triple {1933#true} havoc ~retValue_acc~2;~retValue_acc~2 := ~pumpRunning~0;#res := ~retValue_acc~2; {1933#true} is VALID [2020-07-17 21:20:58,353 INFO L280 TraceCheckUtils]: 54: Hoare triple {1933#true} assume true; {1933#true} is VALID [2020-07-17 21:20:58,353 INFO L275 TraceCheckUtils]: 55: Hoare quadruple {1933#true} {1934#false} #453#return; {1934#false} is VALID [2020-07-17 21:20:58,353 INFO L280 TraceCheckUtils]: 56: Hoare triple {1934#false} assume -2147483648 <= #t~ret25 && #t~ret25 <= 2147483647;~tmp___1~1 := #t~ret25;havoc #t~ret25; {1934#false} is VALID [2020-07-17 21:20:58,354 INFO L280 TraceCheckUtils]: 57: Hoare triple {1934#false} assume !(0 != ~tmp___1~1); {1934#false} is VALID [2020-07-17 21:20:58,354 INFO L263 TraceCheckUtils]: 58: Hoare triple {1934#false} call __automaton_fail(); {1934#false} is VALID [2020-07-17 21:20:58,354 INFO L280 TraceCheckUtils]: 59: Hoare triple {1934#false} assume !false; {1934#false} is VALID [2020-07-17 21:20:58,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 21:20:58,363 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565774728] [2020-07-17 21:20:58,364 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 21:20:58,364 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-17 21:20:58,364 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199761272] [2020-07-17 21:20:58,367 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 60 [2020-07-17 21:20:58,371 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 21:20:58,371 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2020-07-17 21:20:58,452 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 60 edges. 60 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 21:20:58,453 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-17 21:20:58,453 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 21:20:58,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-17 21:20:58,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-07-17 21:20:58,454 INFO L87 Difference]: Start difference. First operand 78 states and 88 transitions. Second operand 7 states. [2020-07-17 21:20:59,278 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 21:21:03,778 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 21:21:04,371 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 21:21:04,726 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 21:21:05,148 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 21:21:06,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:21:06,442 INFO L93 Difference]: Finished difference Result 196 states and 245 transitions. [2020-07-17 21:21:06,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-17 21:21:06,442 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 60 [2020-07-17 21:21:06,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 21:21:06,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-17 21:21:06,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 245 transitions. [2020-07-17 21:21:06,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-17 21:21:06,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 245 transitions. [2020-07-17 21:21:06,465 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 245 transitions. [2020-07-17 21:21:07,304 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 245 edges. 245 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 21:21:07,311 INFO L225 Difference]: With dead ends: 196 [2020-07-17 21:21:07,311 INFO L226 Difference]: Without dead ends: 142 [2020-07-17 21:21:07,312 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2020-07-17 21:21:07,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2020-07-17 21:21:08,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 128. [2020-07-17 21:21:08,713 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 21:21:08,713 INFO L82 GeneralOperation]: Start isEquivalent. First operand 142 states. Second operand 128 states. [2020-07-17 21:21:08,713 INFO L74 IsIncluded]: Start isIncluded. First operand 142 states. Second operand 128 states. [2020-07-17 21:21:08,713 INFO L87 Difference]: Start difference. First operand 142 states. Second operand 128 states. [2020-07-17 21:21:08,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:21:08,721 INFO L93 Difference]: Finished difference Result 142 states and 172 transitions. [2020-07-17 21:21:08,721 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 172 transitions. [2020-07-17 21:21:08,722 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 21:21:08,722 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 21:21:08,722 INFO L74 IsIncluded]: Start isIncluded. First operand 128 states. Second operand 142 states. [2020-07-17 21:21:08,722 INFO L87 Difference]: Start difference. First operand 128 states. Second operand 142 states. [2020-07-17 21:21:08,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:21:08,729 INFO L93 Difference]: Finished difference Result 142 states and 172 transitions. [2020-07-17 21:21:08,729 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 172 transitions. [2020-07-17 21:21:08,730 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 21:21:08,730 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 21:21:08,730 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 21:21:08,731 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 21:21:08,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2020-07-17 21:21:08,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 150 transitions. [2020-07-17 21:21:08,736 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 150 transitions. Word has length 60 [2020-07-17 21:21:08,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 21:21:08,736 INFO L479 AbstractCegarLoop]: Abstraction has 128 states and 150 transitions. [2020-07-17 21:21:08,736 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-17 21:21:08,737 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 150 transitions. [2020-07-17 21:21:08,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-07-17 21:21:08,738 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 21:21:08,738 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] [2020-07-17 21:21:08,738 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-17 21:21:08,738 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 21:21:08,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 21:21:08,739 INFO L82 PathProgramCache]: Analyzing trace with hash 412614971, now seen corresponding path program 1 times [2020-07-17 21:21:08,739 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 21:21:08,739 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155467503] [2020-07-17 21:21:08,739 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 21:21:08,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:09,058 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 21:21:09,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:09,151 INFO L280 TraceCheckUtils]: 0: Hoare triple {2748#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#valid| |old(#valid)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string69.base| |old(#t~string69.base)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(110, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 3 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string14.base, #t~string14.offset, 1);call write~init~int(80, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(117, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(109, #t~string14.base, 3 + #t~string14.offset, 1);call write~init~int(112, #t~string14.base, 4 + #t~string14.offset, 1);call write~init~int(58, #t~string14.base, 5 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 6 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string20.base, #t~string20.offset, 1);call write~init~int(32, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string22.base, #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 1 + #t~string22.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(30);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(9);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(21);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(30);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(21);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(25);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(25);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;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {2724#(= 0 ~pumpRunning~0)} is VALID [2020-07-17 21:21:09,152 INFO L280 TraceCheckUtils]: 1: Hoare triple {2724#(= 0 ~pumpRunning~0)} assume true; {2724#(= 0 ~pumpRunning~0)} is VALID [2020-07-17 21:21:09,152 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2724#(= 0 ~pumpRunning~0)} {2719#true} #457#return; {2724#(= 0 ~pumpRunning~0)} is VALID [2020-07-17 21:21:09,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:09,156 INFO L280 TraceCheckUtils]: 0: Hoare triple {2719#true} assume true; {2719#true} is VALID [2020-07-17 21:21:09,156 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {2719#true} {2724#(= 0 ~pumpRunning~0)} #377#return; {2724#(= 0 ~pumpRunning~0)} is VALID [2020-07-17 21:21:09,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:09,159 INFO L280 TraceCheckUtils]: 0: Hoare triple {2719#true} assume true; {2719#true} is VALID [2020-07-17 21:21:09,160 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {2719#true} {2724#(= 0 ~pumpRunning~0)} #379#return; {2724#(= 0 ~pumpRunning~0)} is VALID [2020-07-17 21:21:09,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:09,164 INFO L280 TraceCheckUtils]: 0: Hoare triple {2719#true} havoc ~retValue_acc~4;~retValue_acc~4 := 1;#res := ~retValue_acc~4; {2719#true} is VALID [2020-07-17 21:21:09,164 INFO L280 TraceCheckUtils]: 1: Hoare triple {2719#true} assume true; {2719#true} is VALID [2020-07-17 21:21:09,165 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2719#true} {2724#(= 0 ~pumpRunning~0)} #381#return; {2724#(= 0 ~pumpRunning~0)} is VALID [2020-07-17 21:21:09,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:09,171 INFO L280 TraceCheckUtils]: 0: Hoare triple {2719#true} assume true; {2719#true} is VALID [2020-07-17 21:21:09,171 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {2719#true} {2724#(= 0 ~pumpRunning~0)} #383#return; {2724#(= 0 ~pumpRunning~0)} is VALID [2020-07-17 21:21:09,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:09,187 INFO L280 TraceCheckUtils]: 0: Hoare triple {2749#(= ~waterLevel~0 |old(~waterLevel~0)|)} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {2719#true} is VALID [2020-07-17 21:21:09,188 INFO L280 TraceCheckUtils]: 1: Hoare triple {2719#true} assume true; {2719#true} is VALID [2020-07-17 21:21:09,188 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2719#true} {2720#false} #429#return; {2720#false} is VALID [2020-07-17 21:21:09,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:09,192 INFO L280 TraceCheckUtils]: 0: Hoare triple {2719#true} assume true; {2719#true} is VALID [2020-07-17 21:21:09,192 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {2719#true} {2720#false} #431#return; {2720#false} is VALID [2020-07-17 21:21:09,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:09,195 INFO L280 TraceCheckUtils]: 0: Hoare triple {2719#true} havoc ~retValue_acc~8;~retValue_acc~8 := ~methaneLevelCritical~0;#res := ~retValue_acc~8; {2719#true} is VALID [2020-07-17 21:21:09,195 INFO L280 TraceCheckUtils]: 1: Hoare triple {2719#true} assume true; {2719#true} is VALID [2020-07-17 21:21:09,195 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2719#true} {2720#false} #449#return; {2720#false} is VALID [2020-07-17 21:21:09,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:09,199 INFO L280 TraceCheckUtils]: 0: Hoare triple {2719#true} havoc ~retValue_acc~9;~retValue_acc~9 := ~waterLevel~0;#res := ~retValue_acc~9; {2719#true} is VALID [2020-07-17 21:21:09,199 INFO L280 TraceCheckUtils]: 1: Hoare triple {2719#true} assume true; {2719#true} is VALID [2020-07-17 21:21:09,200 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2719#true} {2720#false} #451#return; {2720#false} is VALID [2020-07-17 21:21:09,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:09,205 INFO L280 TraceCheckUtils]: 0: Hoare triple {2719#true} havoc ~retValue_acc~2;~retValue_acc~2 := ~pumpRunning~0;#res := ~retValue_acc~2; {2719#true} is VALID [2020-07-17 21:21:09,206 INFO L280 TraceCheckUtils]: 1: Hoare triple {2719#true} assume true; {2719#true} is VALID [2020-07-17 21:21:09,206 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2719#true} {2720#false} #453#return; {2720#false} is VALID [2020-07-17 21:21:09,211 INFO L263 TraceCheckUtils]: 0: Hoare triple {2719#true} call ULTIMATE.init(); {2748#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#valid| |old(#valid)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string69.base| |old(#t~string69.base)|))} is VALID [2020-07-17 21:21:09,217 INFO L280 TraceCheckUtils]: 1: Hoare triple {2748#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#valid| |old(#valid)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string69.base| |old(#t~string69.base)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(110, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 3 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string14.base, #t~string14.offset, 1);call write~init~int(80, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(117, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(109, #t~string14.base, 3 + #t~string14.offset, 1);call write~init~int(112, #t~string14.base, 4 + #t~string14.offset, 1);call write~init~int(58, #t~string14.base, 5 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 6 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string20.base, #t~string20.offset, 1);call write~init~int(32, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string22.base, #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 1 + #t~string22.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(30);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(9);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(21);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(30);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(21);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(25);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(25);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;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {2724#(= 0 ~pumpRunning~0)} is VALID [2020-07-17 21:21:09,218 INFO L280 TraceCheckUtils]: 2: Hoare triple {2724#(= 0 ~pumpRunning~0)} assume true; {2724#(= 0 ~pumpRunning~0)} is VALID [2020-07-17 21:21:09,218 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {2724#(= 0 ~pumpRunning~0)} {2719#true} #457#return; {2724#(= 0 ~pumpRunning~0)} is VALID [2020-07-17 21:21:09,219 INFO L263 TraceCheckUtils]: 4: Hoare triple {2724#(= 0 ~pumpRunning~0)} call #t~ret72 := main(); {2724#(= 0 ~pumpRunning~0)} is VALID [2020-07-17 21:21:09,219 INFO L280 TraceCheckUtils]: 5: Hoare triple {2724#(= 0 ~pumpRunning~0)} havoc ~retValue_acc~0;havoc ~tmp~0; {2724#(= 0 ~pumpRunning~0)} is VALID [2020-07-17 21:21:09,220 INFO L263 TraceCheckUtils]: 6: Hoare triple {2724#(= 0 ~pumpRunning~0)} call select_helpers(); {2719#true} is VALID [2020-07-17 21:21:09,220 INFO L280 TraceCheckUtils]: 7: Hoare triple {2719#true} assume true; {2719#true} is VALID [2020-07-17 21:21:09,220 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {2719#true} {2724#(= 0 ~pumpRunning~0)} #377#return; {2724#(= 0 ~pumpRunning~0)} is VALID [2020-07-17 21:21:09,221 INFO L263 TraceCheckUtils]: 9: Hoare triple {2724#(= 0 ~pumpRunning~0)} call select_features(); {2719#true} is VALID [2020-07-17 21:21:09,221 INFO L280 TraceCheckUtils]: 10: Hoare triple {2719#true} assume true; {2719#true} is VALID [2020-07-17 21:21:09,221 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {2719#true} {2724#(= 0 ~pumpRunning~0)} #379#return; {2724#(= 0 ~pumpRunning~0)} is VALID [2020-07-17 21:21:09,222 INFO L263 TraceCheckUtils]: 12: Hoare triple {2724#(= 0 ~pumpRunning~0)} call #t~ret0 := valid_product(); {2719#true} is VALID [2020-07-17 21:21:09,222 INFO L280 TraceCheckUtils]: 13: Hoare triple {2719#true} havoc ~retValue_acc~4;~retValue_acc~4 := 1;#res := ~retValue_acc~4; {2719#true} is VALID [2020-07-17 21:21:09,222 INFO L280 TraceCheckUtils]: 14: Hoare triple {2719#true} assume true; {2719#true} is VALID [2020-07-17 21:21:09,223 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {2719#true} {2724#(= 0 ~pumpRunning~0)} #381#return; {2724#(= 0 ~pumpRunning~0)} is VALID [2020-07-17 21:21:09,223 INFO L280 TraceCheckUtils]: 16: Hoare triple {2724#(= 0 ~pumpRunning~0)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647;~tmp~0 := #t~ret0;havoc #t~ret0; {2724#(= 0 ~pumpRunning~0)} is VALID [2020-07-17 21:21:09,224 INFO L280 TraceCheckUtils]: 17: Hoare triple {2724#(= 0 ~pumpRunning~0)} assume 0 != ~tmp~0; {2724#(= 0 ~pumpRunning~0)} is VALID [2020-07-17 21:21:09,224 INFO L263 TraceCheckUtils]: 18: Hoare triple {2724#(= 0 ~pumpRunning~0)} call setup(); {2719#true} is VALID [2020-07-17 21:21:09,225 INFO L280 TraceCheckUtils]: 19: Hoare triple {2719#true} assume true; {2719#true} is VALID [2020-07-17 21:21:09,225 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {2719#true} {2724#(= 0 ~pumpRunning~0)} #383#return; {2724#(= 0 ~pumpRunning~0)} is VALID [2020-07-17 21:21:09,226 INFO L263 TraceCheckUtils]: 21: Hoare triple {2724#(= 0 ~pumpRunning~0)} call runTest(); {2724#(= 0 ~pumpRunning~0)} is VALID [2020-07-17 21:21:09,227 INFO L263 TraceCheckUtils]: 22: Hoare triple {2724#(= 0 ~pumpRunning~0)} call test(); {2724#(= 0 ~pumpRunning~0)} is VALID [2020-07-17 21:21:09,227 INFO L280 TraceCheckUtils]: 23: Hoare triple {2724#(= 0 ~pumpRunning~0)} havoc ~splverifierCounter~0;havoc ~tmp~1;havoc ~tmp___0~0;havoc ~tmp___1~0;havoc ~tmp___2~0;~splverifierCounter~0 := 0; {2724#(= 0 ~pumpRunning~0)} is VALID [2020-07-17 21:21:09,228 INFO L280 TraceCheckUtils]: 24: Hoare triple {2724#(= 0 ~pumpRunning~0)} assume !false; {2724#(= 0 ~pumpRunning~0)} is VALID [2020-07-17 21:21:09,228 INFO L280 TraceCheckUtils]: 25: Hoare triple {2724#(= 0 ~pumpRunning~0)} assume ~splverifierCounter~0 < 4; {2724#(= 0 ~pumpRunning~0)} is VALID [2020-07-17 21:21:09,229 INFO L280 TraceCheckUtils]: 26: Hoare triple {2724#(= 0 ~pumpRunning~0)} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647;~tmp~1 := #t~nondet1;havoc #t~nondet1; {2724#(= 0 ~pumpRunning~0)} is VALID [2020-07-17 21:21:09,230 INFO L280 TraceCheckUtils]: 27: Hoare triple {2724#(= 0 ~pumpRunning~0)} assume !(0 != ~tmp~1); {2724#(= 0 ~pumpRunning~0)} is VALID [2020-07-17 21:21:09,230 INFO L280 TraceCheckUtils]: 28: Hoare triple {2724#(= 0 ~pumpRunning~0)} assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647;~tmp___0~0 := #t~nondet2;havoc #t~nondet2; {2724#(= 0 ~pumpRunning~0)} is VALID [2020-07-17 21:21:09,231 INFO L280 TraceCheckUtils]: 29: Hoare triple {2724#(= 0 ~pumpRunning~0)} assume !(0 != ~tmp___0~0); {2724#(= 0 ~pumpRunning~0)} is VALID [2020-07-17 21:21:09,231 INFO L280 TraceCheckUtils]: 30: Hoare triple {2724#(= 0 ~pumpRunning~0)} assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647;~tmp___2~0 := #t~nondet3;havoc #t~nondet3; {2724#(= 0 ~pumpRunning~0)} is VALID [2020-07-17 21:21:09,232 INFO L280 TraceCheckUtils]: 31: Hoare triple {2724#(= 0 ~pumpRunning~0)} assume 0 != ~tmp___2~0; {2724#(= 0 ~pumpRunning~0)} is VALID [2020-07-17 21:21:09,233 INFO L263 TraceCheckUtils]: 32: Hoare triple {2724#(= 0 ~pumpRunning~0)} call timeShift(); {2724#(= 0 ~pumpRunning~0)} is VALID [2020-07-17 21:21:09,233 INFO L280 TraceCheckUtils]: 33: Hoare triple {2724#(= 0 ~pumpRunning~0)} assume 0 != ~pumpRunning~0; {2720#false} is VALID [2020-07-17 21:21:09,233 INFO L263 TraceCheckUtils]: 34: Hoare triple {2720#false} call lowerWaterLevel(); {2749#(= ~waterLevel~0 |old(~waterLevel~0)|)} is VALID [2020-07-17 21:21:09,234 INFO L280 TraceCheckUtils]: 35: Hoare triple {2749#(= ~waterLevel~0 |old(~waterLevel~0)|)} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {2719#true} is VALID [2020-07-17 21:21:09,234 INFO L280 TraceCheckUtils]: 36: Hoare triple {2719#true} assume true; {2719#true} is VALID [2020-07-17 21:21:09,234 INFO L275 TraceCheckUtils]: 37: Hoare quadruple {2719#true} {2720#false} #429#return; {2720#false} is VALID [2020-07-17 21:21:09,234 INFO L280 TraceCheckUtils]: 38: Hoare triple {2720#false} assume 0 != ~systemActive~0; {2720#false} is VALID [2020-07-17 21:21:09,234 INFO L263 TraceCheckUtils]: 39: Hoare triple {2720#false} call processEnvironment(); {2719#true} is VALID [2020-07-17 21:21:09,235 INFO L280 TraceCheckUtils]: 40: Hoare triple {2719#true} assume true; {2719#true} is VALID [2020-07-17 21:21:09,235 INFO L275 TraceCheckUtils]: 41: Hoare quadruple {2719#true} {2720#false} #431#return; {2720#false} is VALID [2020-07-17 21:21:09,235 INFO L263 TraceCheckUtils]: 42: Hoare triple {2720#false} call __utac_acc__Specification3_spec__1(); {2720#false} is VALID [2020-07-17 21:21:09,235 INFO L280 TraceCheckUtils]: 43: Hoare triple {2720#false} havoc ~tmp~3;havoc ~tmp___0~1;havoc ~tmp___1~1; {2720#false} is VALID [2020-07-17 21:21:09,236 INFO L263 TraceCheckUtils]: 44: Hoare triple {2720#false} call #t~ret23 := isMethaneLevelCritical(); {2719#true} is VALID [2020-07-17 21:21:09,236 INFO L280 TraceCheckUtils]: 45: Hoare triple {2719#true} havoc ~retValue_acc~8;~retValue_acc~8 := ~methaneLevelCritical~0;#res := ~retValue_acc~8; {2719#true} is VALID [2020-07-17 21:21:09,236 INFO L280 TraceCheckUtils]: 46: Hoare triple {2719#true} assume true; {2719#true} is VALID [2020-07-17 21:21:09,236 INFO L275 TraceCheckUtils]: 47: Hoare quadruple {2719#true} {2720#false} #449#return; {2720#false} is VALID [2020-07-17 21:21:09,237 INFO L280 TraceCheckUtils]: 48: Hoare triple {2720#false} assume -2147483648 <= #t~ret23 && #t~ret23 <= 2147483647;~tmp~3 := #t~ret23;havoc #t~ret23; {2720#false} is VALID [2020-07-17 21:21:09,237 INFO L280 TraceCheckUtils]: 49: Hoare triple {2720#false} assume !(0 != ~tmp~3); {2720#false} is VALID [2020-07-17 21:21:09,237 INFO L263 TraceCheckUtils]: 50: Hoare triple {2720#false} call #t~ret24 := getWaterLevel(); {2719#true} is VALID [2020-07-17 21:21:09,237 INFO L280 TraceCheckUtils]: 51: Hoare triple {2719#true} havoc ~retValue_acc~9;~retValue_acc~9 := ~waterLevel~0;#res := ~retValue_acc~9; {2719#true} is VALID [2020-07-17 21:21:09,237 INFO L280 TraceCheckUtils]: 52: Hoare triple {2719#true} assume true; {2719#true} is VALID [2020-07-17 21:21:09,238 INFO L275 TraceCheckUtils]: 53: Hoare quadruple {2719#true} {2720#false} #451#return; {2720#false} is VALID [2020-07-17 21:21:09,238 INFO L280 TraceCheckUtils]: 54: Hoare triple {2720#false} assume -2147483648 <= #t~ret24 && #t~ret24 <= 2147483647;~tmp___0~1 := #t~ret24;havoc #t~ret24; {2720#false} is VALID [2020-07-17 21:21:09,238 INFO L280 TraceCheckUtils]: 55: Hoare triple {2720#false} assume 2 == ~tmp___0~1; {2720#false} is VALID [2020-07-17 21:21:09,238 INFO L263 TraceCheckUtils]: 56: Hoare triple {2720#false} call #t~ret25 := isPumpRunning(); {2719#true} is VALID [2020-07-17 21:21:09,238 INFO L280 TraceCheckUtils]: 57: Hoare triple {2719#true} havoc ~retValue_acc~2;~retValue_acc~2 := ~pumpRunning~0;#res := ~retValue_acc~2; {2719#true} is VALID [2020-07-17 21:21:09,239 INFO L280 TraceCheckUtils]: 58: Hoare triple {2719#true} assume true; {2719#true} is VALID [2020-07-17 21:21:09,239 INFO L275 TraceCheckUtils]: 59: Hoare quadruple {2719#true} {2720#false} #453#return; {2720#false} is VALID [2020-07-17 21:21:09,239 INFO L280 TraceCheckUtils]: 60: Hoare triple {2720#false} assume -2147483648 <= #t~ret25 && #t~ret25 <= 2147483647;~tmp___1~1 := #t~ret25;havoc #t~ret25; {2720#false} is VALID [2020-07-17 21:21:09,239 INFO L280 TraceCheckUtils]: 61: Hoare triple {2720#false} assume !(0 != ~tmp___1~1); {2720#false} is VALID [2020-07-17 21:21:09,240 INFO L263 TraceCheckUtils]: 62: Hoare triple {2720#false} call __automaton_fail(); {2720#false} is VALID [2020-07-17 21:21:09,240 INFO L280 TraceCheckUtils]: 63: Hoare triple {2720#false} assume !false; {2720#false} is VALID [2020-07-17 21:21:09,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 21:21:09,248 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155467503] [2020-07-17 21:21:09,248 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 21:21:09,248 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-17 21:21:09,249 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320350530] [2020-07-17 21:21:09,249 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2020-07-17 21:21:09,249 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 21:21:09,250 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-17 21:21:09,336 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 64 edges. 64 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 21:21:09,336 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-17 21:21:09,336 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 21:21:09,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-17 21:21:09,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-17 21:21:09,337 INFO L87 Difference]: Start difference. First operand 128 states and 150 transitions. Second operand 5 states. [2020-07-17 21:21:09,978 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 21:21:12,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:21:12,873 INFO L93 Difference]: Finished difference Result 192 states and 233 transitions. [2020-07-17 21:21:12,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-17 21:21:12,874 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2020-07-17 21:21:12,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 21:21:12,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-17 21:21:12,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 190 transitions. [2020-07-17 21:21:12,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-17 21:21:12,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 190 transitions. [2020-07-17 21:21:12,882 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 190 transitions. [2020-07-17 21:21:13,475 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 190 edges. 190 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 21:21:13,480 INFO L225 Difference]: With dead ends: 192 [2020-07-17 21:21:13,480 INFO L226 Difference]: Without dead ends: 127 [2020-07-17 21:21:13,481 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-17 21:21:13,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2020-07-17 21:21:14,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 115. [2020-07-17 21:21:14,697 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 21:21:14,697 INFO L82 GeneralOperation]: Start isEquivalent. First operand 127 states. Second operand 115 states. [2020-07-17 21:21:14,697 INFO L74 IsIncluded]: Start isIncluded. First operand 127 states. Second operand 115 states. [2020-07-17 21:21:14,698 INFO L87 Difference]: Start difference. First operand 127 states. Second operand 115 states. [2020-07-17 21:21:14,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:21:14,703 INFO L93 Difference]: Finished difference Result 127 states and 149 transitions. [2020-07-17 21:21:14,703 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 149 transitions. [2020-07-17 21:21:14,703 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 21:21:14,703 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 21:21:14,703 INFO L74 IsIncluded]: Start isIncluded. First operand 115 states. Second operand 127 states. [2020-07-17 21:21:14,704 INFO L87 Difference]: Start difference. First operand 115 states. Second operand 127 states. [2020-07-17 21:21:14,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:21:14,709 INFO L93 Difference]: Finished difference Result 127 states and 149 transitions. [2020-07-17 21:21:14,709 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 149 transitions. [2020-07-17 21:21:14,709 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 21:21:14,709 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 21:21:14,710 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 21:21:14,710 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 21:21:14,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-07-17 21:21:14,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 130 transitions. [2020-07-17 21:21:14,714 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 130 transitions. Word has length 64 [2020-07-17 21:21:14,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 21:21:14,714 INFO L479 AbstractCegarLoop]: Abstraction has 115 states and 130 transitions. [2020-07-17 21:21:14,715 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-17 21:21:14,715 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 130 transitions. [2020-07-17 21:21:14,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-07-17 21:21:14,716 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 21:21:14,716 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] [2020-07-17 21:21:14,716 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-17 21:21:14,716 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 21:21:14,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 21:21:14,717 INFO L82 PathProgramCache]: Analyzing trace with hash -509227045, now seen corresponding path program 1 times [2020-07-17 21:21:14,717 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 21:21:14,717 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159858419] [2020-07-17 21:21:14,717 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 21:21:14,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 21:21:14,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 21:21:14,888 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-17 21:21:14,888 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-17 21:21:14,889 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-17 21:21:15,007 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_freeENTRY has no Hoare annotation [2020-07-17 21:21:15,008 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_resetENTRY has no Hoare annotation [2020-07-17 21:21:15,008 WARN L170 areAnnotationChecker]: select_helpersFINAL has no Hoare annotation [2020-07-17 21:21:15,008 WARN L170 areAnnotationChecker]: valid_productENTRY has no Hoare annotation [2020-07-17 21:21:15,008 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-17 21:21:15,008 WARN L170 areAnnotationChecker]: Specification2ENTRY has no Hoare annotation [2020-07-17 21:21:15,008 WARN L170 areAnnotationChecker]: Specification2ENTRY has no Hoare annotation [2020-07-17 21:21:15,008 WARN L170 areAnnotationChecker]: activatePump__wrappee__baseENTRY has no Hoare annotation [2020-07-17 21:21:15,008 WARN L170 areAnnotationChecker]: isPumpRunningENTRY has no Hoare annotation [2020-07-17 21:21:15,009 WARN L170 areAnnotationChecker]: printPumpENTRY has no Hoare annotation [2020-07-17 21:21:15,009 WARN L170 areAnnotationChecker]: select_featuresFINAL has no Hoare annotation [2020-07-17 21:21:15,009 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_setENTRY has no Hoare annotation [2020-07-17 21:21:15,009 WARN L170 areAnnotationChecker]: runTestENTRY has no Hoare annotation [2020-07-17 21:21:15,009 WARN L170 areAnnotationChecker]: runTestENTRY has no Hoare annotation [2020-07-17 21:21:15,009 WARN L170 areAnnotationChecker]: __utac__get_this_argtypeENTRY has no Hoare annotation [2020-07-17 21:21:15,009 WARN L170 areAnnotationChecker]: isMethaneAlarmENTRY has no Hoare annotation [2020-07-17 21:21:15,009 WARN L170 areAnnotationChecker]: deactivatePumpENTRY has no Hoare annotation [2020-07-17 21:21:15,010 WARN L170 areAnnotationChecker]: processEnvironmentFINAL has no Hoare annotation [2020-07-17 21:21:15,010 WARN L170 areAnnotationChecker]: testENTRY has no Hoare annotation [2020-07-17 21:21:15,010 WARN L170 areAnnotationChecker]: __utac__get_this_argENTRY has no Hoare annotation [2020-07-17 21:21:15,010 WARN L170 areAnnotationChecker]: ULTIMATE.initENTRY has no Hoare annotation [2020-07-17 21:21:15,010 WARN L170 areAnnotationChecker]: select_oneENTRY has no Hoare annotation [2020-07-17 21:21:15,010 WARN L170 areAnnotationChecker]: __utac__error_stack_mgtENTRY has no Hoare annotation [2020-07-17 21:21:15,010 WARN L170 areAnnotationChecker]: printEnvironmentENTRY has no Hoare annotation [2020-07-17 21:21:15,010 WARN L170 areAnnotationChecker]: activatePumpENTRY has no Hoare annotation [2020-07-17 21:21:15,010 WARN L170 areAnnotationChecker]: ##fun~int~X~int~TO~intENTRY has no Hoare annotation [2020-07-17 21:21:15,011 WARN L170 areAnnotationChecker]: changeMethaneLevelENTRY has no Hoare annotation [2020-07-17 21:21:15,011 WARN L170 areAnnotationChecker]: changeMethaneLevelENTRY has no Hoare annotation [2020-07-17 21:21:15,011 WARN L170 areAnnotationChecker]: getWaterLevelENTRY has no Hoare annotation [2020-07-17 21:21:15,011 WARN L170 areAnnotationChecker]: cleanupENTRY has no Hoare annotation [2020-07-17 21:21:15,011 WARN L170 areAnnotationChecker]: timeShiftENTRY has no Hoare annotation [2020-07-17 21:21:15,011 WARN L170 areAnnotationChecker]: timeShiftENTRY has no Hoare annotation [2020-07-17 21:21:15,011 WARN L170 areAnnotationChecker]: __utac_acc__Specification3_spec__1ENTRY has no Hoare annotation [2020-07-17 21:21:15,011 WARN L170 areAnnotationChecker]: isMethaneLevelCriticalENTRY has no Hoare annotation [2020-07-17 21:21:15,011 WARN L170 areAnnotationChecker]: lowerWaterLevelENTRY has no Hoare annotation [2020-07-17 21:21:15,012 WARN L170 areAnnotationChecker]: lowerWaterLevelENTRY has no Hoare annotation [2020-07-17 21:21:15,012 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-17 21:21:15,012 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-17 21:21:15,012 WARN L170 areAnnotationChecker]: setupFINAL has no Hoare annotation [2020-07-17 21:21:15,012 WARN L170 areAnnotationChecker]: waterRiseENTRY has no Hoare annotation [2020-07-17 21:21:15,012 WARN L170 areAnnotationChecker]: waterRiseENTRY has no Hoare annotation [2020-07-17 21:21:15,012 WARN L170 areAnnotationChecker]: __automaton_failENTRY has no Hoare annotation [2020-07-17 21:21:15,012 WARN L170 areAnnotationChecker]: __automaton_failENTRY has no Hoare annotation [2020-07-17 21:21:15,013 WARN L170 areAnnotationChecker]: L497-2 has no Hoare annotation [2020-07-17 21:21:15,013 WARN L170 areAnnotationChecker]: L497-2 has no Hoare annotation [2020-07-17 21:21:15,013 WARN L170 areAnnotationChecker]: L497-2 has no Hoare annotation [2020-07-17 21:21:15,013 WARN L170 areAnnotationChecker]: L554-2 has no Hoare annotation [2020-07-17 21:21:15,013 WARN L170 areAnnotationChecker]: L554-2 has no Hoare annotation [2020-07-17 21:21:15,013 WARN L170 areAnnotationChecker]: L554-2 has no Hoare annotation [2020-07-17 21:21:15,013 WARN L170 areAnnotationChecker]: select_helpersEXIT has no Hoare annotation [2020-07-17 21:21:15,013 WARN L170 areAnnotationChecker]: valid_productFINAL has no Hoare annotation [2020-07-17 21:21:15,013 WARN L170 areAnnotationChecker]: L126 has no Hoare annotation [2020-07-17 21:21:15,014 WARN L170 areAnnotationChecker]: L126 has no Hoare annotation [2020-07-17 21:21:15,014 WARN L170 areAnnotationChecker]: L80 has no Hoare annotation [2020-07-17 21:21:15,014 WARN L170 areAnnotationChecker]: L80 has no Hoare annotation [2020-07-17 21:21:15,014 WARN L170 areAnnotationChecker]: activatePump__wrappee__baseFINAL has no Hoare annotation [2020-07-17 21:21:15,014 WARN L170 areAnnotationChecker]: isPumpRunningFINAL has no Hoare annotation [2020-07-17 21:21:15,014 WARN L170 areAnnotationChecker]: L320 has no Hoare annotation [2020-07-17 21:21:15,014 WARN L170 areAnnotationChecker]: L320 has no Hoare annotation [2020-07-17 21:21:15,014 WARN L170 areAnnotationChecker]: select_featuresEXIT has no Hoare annotation [2020-07-17 21:21:15,014 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_setFINAL has no Hoare annotation [2020-07-17 21:21:15,015 WARN L170 areAnnotationChecker]: runTestFINAL has no Hoare annotation [2020-07-17 21:21:15,015 WARN L170 areAnnotationChecker]: L753 has no Hoare annotation [2020-07-17 21:21:15,015 WARN L170 areAnnotationChecker]: L753 has no Hoare annotation [2020-07-17 21:21:15,015 WARN L170 areAnnotationChecker]: L298 has no Hoare annotation [2020-07-17 21:21:15,015 WARN L170 areAnnotationChecker]: L298 has no Hoare annotation [2020-07-17 21:21:15,015 WARN L170 areAnnotationChecker]: deactivatePumpFINAL has no Hoare annotation [2020-07-17 21:21:15,015 WARN L170 areAnnotationChecker]: processEnvironmentEXIT has no Hoare annotation [2020-07-17 21:21:15,015 WARN L170 areAnnotationChecker]: L206 has no Hoare annotation [2020-07-17 21:21:15,015 WARN L170 areAnnotationChecker]: L206 has no Hoare annotation [2020-07-17 21:21:15,016 WARN L170 areAnnotationChecker]: L206 has no Hoare annotation [2020-07-17 21:21:15,016 WARN L170 areAnnotationChecker]: L707 has no Hoare annotation [2020-07-17 21:21:15,016 WARN L170 areAnnotationChecker]: L707 has no Hoare annotation [2020-07-17 21:21:15,016 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-17 21:21:15,016 WARN L170 areAnnotationChecker]: select_oneFINAL has no Hoare annotation [2020-07-17 21:21:15,016 WARN L170 areAnnotationChecker]: L614 has no Hoare annotation [2020-07-17 21:21:15,016 WARN L170 areAnnotationChecker]: L614 has no Hoare annotation [2020-07-17 21:21:15,016 WARN L170 areAnnotationChecker]: L841 has no Hoare annotation [2020-07-17 21:21:15,016 WARN L170 areAnnotationChecker]: L841 has no Hoare annotation [2020-07-17 21:21:15,017 WARN L170 areAnnotationChecker]: L273 has no Hoare annotation [2020-07-17 21:21:15,017 WARN L170 areAnnotationChecker]: L273 has no Hoare annotation [2020-07-17 21:21:15,017 WARN L170 areAnnotationChecker]: ##fun~int~X~int~TO~intFINAL has no Hoare annotation [2020-07-17 21:21:15,017 WARN L170 areAnnotationChecker]: L816-1 has no Hoare annotation [2020-07-17 21:21:15,017 WARN L170 areAnnotationChecker]: getWaterLevelFINAL has no Hoare annotation [2020-07-17 21:21:15,017 WARN L170 areAnnotationChecker]: L48 has no Hoare annotation [2020-07-17 21:21:15,017 WARN L170 areAnnotationChecker]: L48 has no Hoare annotation [2020-07-17 21:21:15,017 WARN L170 areAnnotationChecker]: L234 has no Hoare annotation [2020-07-17 21:21:15,017 WARN L170 areAnnotationChecker]: L234 has no Hoare annotation [2020-07-17 21:21:15,017 WARN L170 areAnnotationChecker]: L232 has no Hoare annotation [2020-07-17 21:21:15,018 WARN L170 areAnnotationChecker]: L232 has no Hoare annotation [2020-07-17 21:21:15,018 WARN L170 areAnnotationChecker]: L358 has no Hoare annotation [2020-07-17 21:21:15,018 WARN L170 areAnnotationChecker]: L358 has no Hoare annotation [2020-07-17 21:21:15,018 WARN L170 areAnnotationChecker]: isMethaneLevelCriticalFINAL has no Hoare annotation [2020-07-17 21:21:15,018 WARN L170 areAnnotationChecker]: L792-1 has no Hoare annotation [2020-07-17 21:21:15,018 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-17 21:21:15,018 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-17 21:21:15,018 WARN L170 areAnnotationChecker]: setupEXIT has no Hoare annotation [2020-07-17 21:21:15,018 WARN L170 areAnnotationChecker]: L804-1 has no Hoare annotation [2020-07-17 21:21:15,019 WARN L170 areAnnotationChecker]: __automaton_failFINAL has no Hoare annotation [2020-07-17 21:21:15,019 WARN L170 areAnnotationChecker]: L519 has no Hoare annotation [2020-07-17 21:21:15,019 WARN L170 areAnnotationChecker]: L498 has no Hoare annotation [2020-07-17 21:21:15,019 WARN L170 areAnnotationChecker]: L580 has no Hoare annotation [2020-07-17 21:21:15,019 WARN L170 areAnnotationChecker]: L580 has no Hoare annotation [2020-07-17 21:21:15,019 WARN L170 areAnnotationChecker]: L555 has no Hoare annotation [2020-07-17 21:21:15,019 WARN L170 areAnnotationChecker]: L126-1 has no Hoare annotation [2020-07-17 21:21:15,019 WARN L170 areAnnotationChecker]: L126-1 has no Hoare annotation [2020-07-17 21:21:15,019 WARN L170 areAnnotationChecker]: valid_productEXIT has no Hoare annotation [2020-07-17 21:21:15,019 WARN L170 areAnnotationChecker]: L81 has no Hoare annotation [2020-07-17 21:21:15,019 WARN L170 areAnnotationChecker]: L81 has no Hoare annotation [2020-07-17 21:21:15,020 WARN L170 areAnnotationChecker]: activatePump__wrappee__baseEXIT has no Hoare annotation [2020-07-17 21:21:15,020 WARN L170 areAnnotationChecker]: isPumpRunningEXIT has no Hoare annotation [2020-07-17 21:21:15,020 WARN L170 areAnnotationChecker]: L320-2 has no Hoare annotation [2020-07-17 21:21:15,020 WARN L170 areAnnotationChecker]: L127 has no Hoare annotation [2020-07-17 21:21:15,020 WARN L170 areAnnotationChecker]: L127 has no Hoare annotation [2020-07-17 21:21:15,020 WARN L170 areAnnotationChecker]: runTestEXIT has no Hoare annotation [2020-07-17 21:21:15,020 WARN L170 areAnnotationChecker]: L759 has no Hoare annotation [2020-07-17 21:21:15,020 WARN L170 areAnnotationChecker]: L759 has no Hoare annotation [2020-07-17 21:21:15,020 WARN L170 areAnnotationChecker]: L753-1 has no Hoare annotation [2020-07-17 21:21:15,021 WARN L170 areAnnotationChecker]: L298-1 has no Hoare annotation [2020-07-17 21:21:15,021 WARN L170 areAnnotationChecker]: L239 has no Hoare annotation [2020-07-17 21:21:15,021 WARN L170 areAnnotationChecker]: L239 has no Hoare annotation [2020-07-17 21:21:15,021 WARN L170 areAnnotationChecker]: L209 has no Hoare annotation [2020-07-17 21:21:15,021 WARN L170 areAnnotationChecker]: L209 has no Hoare annotation [2020-07-17 21:21:15,021 WARN L170 areAnnotationChecker]: L164 has no Hoare annotation [2020-07-17 21:21:15,021 WARN L170 areAnnotationChecker]: L164 has no Hoare annotation [2020-07-17 21:21:15,021 WARN L170 areAnnotationChecker]: L713 has no Hoare annotation [2020-07-17 21:21:15,021 WARN L170 areAnnotationChecker]: L713 has no Hoare annotation [2020-07-17 21:21:15,021 WARN L170 areAnnotationChecker]: L707-1 has no Hoare annotation [2020-07-17 21:21:15,022 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-17 21:21:15,022 WARN L170 areAnnotationChecker]: __utac__error_stack_mgtFINAL has no Hoare annotation [2020-07-17 21:21:15,022 WARN L170 areAnnotationChecker]: L619 has no Hoare annotation [2020-07-17 21:21:15,022 WARN L170 areAnnotationChecker]: L619 has no Hoare annotation [2020-07-17 21:21:15,022 WARN L170 areAnnotationChecker]: L841-2 has no Hoare annotation [2020-07-17 21:21:15,022 WARN L170 areAnnotationChecker]: L273-1 has no Hoare annotation [2020-07-17 21:21:15,022 WARN L170 areAnnotationChecker]: ##fun~int~X~int~TO~intEXIT has no Hoare annotation [2020-07-17 21:21:15,022 WARN L170 areAnnotationChecker]: changeMethaneLevelEXIT has no Hoare annotation [2020-07-17 21:21:15,022 WARN L170 areAnnotationChecker]: changeMethaneLevelEXIT has no Hoare annotation [2020-07-17 21:21:15,022 WARN L170 areAnnotationChecker]: getWaterLevelEXIT has no Hoare annotation [2020-07-17 21:21:15,023 WARN L170 areAnnotationChecker]: L48-1 has no Hoare annotation [2020-07-17 21:21:15,023 WARN L170 areAnnotationChecker]: L241 has no Hoare annotation [2020-07-17 21:21:15,023 WARN L170 areAnnotationChecker]: L241 has no Hoare annotation [2020-07-17 21:21:15,023 WARN L170 areAnnotationChecker]: L358-1 has no Hoare annotation [2020-07-17 21:21:15,023 WARN L170 areAnnotationChecker]: isMethaneLevelCriticalEXIT has no Hoare annotation [2020-07-17 21:21:15,023 WARN L170 areAnnotationChecker]: isMethaneLevelCriticalEXIT has no Hoare annotation [2020-07-17 21:21:15,023 WARN L170 areAnnotationChecker]: lowerWaterLevelEXIT has no Hoare annotation [2020-07-17 21:21:15,023 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-17 21:21:15,023 WARN L170 areAnnotationChecker]: L132-1 has no Hoare annotation [2020-07-17 21:21:15,023 WARN L170 areAnnotationChecker]: L132-1 has no Hoare annotation [2020-07-17 21:21:15,024 WARN L170 areAnnotationChecker]: waterRiseEXIT has no Hoare annotation [2020-07-17 21:21:15,024 WARN L170 areAnnotationChecker]: waterRiseEXIT has no Hoare annotation [2020-07-17 21:21:15,024 WARN L170 areAnnotationChecker]: __automaton_failEXIT has no Hoare annotation [2020-07-17 21:21:15,024 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_freeFINAL has no Hoare annotation [2020-07-17 21:21:15,024 WARN L170 areAnnotationChecker]: L503 has no Hoare annotation [2020-07-17 21:21:15,024 WARN L170 areAnnotationChecker]: L503 has no Hoare annotation [2020-07-17 21:21:15,024 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_resetFINAL has no Hoare annotation [2020-07-17 21:21:15,024 WARN L170 areAnnotationChecker]: L560 has no Hoare annotation [2020-07-17 21:21:15,024 WARN L170 areAnnotationChecker]: L560 has no Hoare annotation [2020-07-17 21:21:15,024 WARN L170 areAnnotationChecker]: L128 has no Hoare annotation [2020-07-17 21:21:15,025 WARN L170 areAnnotationChecker]: L82 has no Hoare annotation [2020-07-17 21:21:15,025 WARN L170 areAnnotationChecker]: L82 has no Hoare annotation [2020-07-17 21:21:15,025 WARN L170 areAnnotationChecker]: L279-1 has no Hoare annotation [2020-07-17 21:21:15,025 WARN L170 areAnnotationChecker]: L368-1 has no Hoare annotation [2020-07-17 21:21:15,025 WARN L170 areAnnotationChecker]: L332 has no Hoare annotation [2020-07-17 21:21:15,025 WARN L170 areAnnotationChecker]: L332 has no Hoare annotation [2020-07-17 21:21:15,025 WARN L170 areAnnotationChecker]: L130-1 has no Hoare annotation [2020-07-17 21:21:15,025 WARN L170 areAnnotationChecker]: __utac__get_this_argtypeFINAL has no Hoare annotation [2020-07-17 21:21:15,025 WARN L170 areAnnotationChecker]: isMethaneAlarmFINAL has no Hoare annotation [2020-07-17 21:21:15,025 WARN L170 areAnnotationChecker]: timeShiftFINAL has no Hoare annotation [2020-07-17 21:21:15,026 WARN L170 areAnnotationChecker]: testFINAL has no Hoare annotation [2020-07-17 21:21:15,026 WARN L170 areAnnotationChecker]: L165 has no Hoare annotation [2020-07-17 21:21:15,026 WARN L170 areAnnotationChecker]: __utac__get_this_argFINAL has no Hoare annotation [2020-07-17 21:21:15,026 WARN L170 areAnnotationChecker]: L636 has no Hoare annotation [2020-07-17 21:21:15,026 WARN L170 areAnnotationChecker]: L636 has no Hoare annotation [2020-07-17 21:21:15,026 WARN L170 areAnnotationChecker]: printEnvironmentFINAL has no Hoare annotation [2020-07-17 21:21:15,026 WARN L170 areAnnotationChecker]: L275 has no Hoare annotation [2020-07-17 21:21:15,026 WARN L170 areAnnotationChecker]: L275 has no Hoare annotation [2020-07-17 21:21:15,026 WARN L170 areAnnotationChecker]: L573-1 has no Hoare annotation [2020-07-17 21:21:15,027 WARN L170 areAnnotationChecker]: L90 has no Hoare annotation [2020-07-17 21:21:15,027 WARN L170 areAnnotationChecker]: L90 has no Hoare annotation [2020-07-17 21:21:15,027 WARN L170 areAnnotationChecker]: L183-1 has no Hoare annotation [2020-07-17 21:21:15,027 WARN L170 areAnnotationChecker]: L364-1 has no Hoare annotation [2020-07-17 21:21:15,027 WARN L170 areAnnotationChecker]: L52-2 has no Hoare annotation [2020-07-17 21:21:15,027 WARN L170 areAnnotationChecker]: L52-2 has no Hoare annotation [2020-07-17 21:21:15,027 WARN L170 areAnnotationChecker]: L52-2 has no Hoare annotation [2020-07-17 21:21:15,027 WARN L170 areAnnotationChecker]: L360 has no Hoare annotation [2020-07-17 21:21:15,027 WARN L170 areAnnotationChecker]: L360 has no Hoare annotation [2020-07-17 21:21:15,027 WARN L170 areAnnotationChecker]: L86 has no Hoare annotation [2020-07-17 21:21:15,028 WARN L170 areAnnotationChecker]: L86 has no Hoare annotation [2020-07-17 21:21:15,028 WARN L170 areAnnotationChecker]: L173-1 has no Hoare annotation [2020-07-17 21:21:15,028 WARN L170 areAnnotationChecker]: L366-1 has no Hoare annotation [2020-07-17 21:21:15,028 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_freeEXIT has no Hoare annotation [2020-07-17 21:21:15,028 WARN L170 areAnnotationChecker]: L503-1 has no Hoare annotation [2020-07-17 21:21:15,028 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_resetEXIT has no Hoare annotation [2020-07-17 21:21:15,028 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_resetEXIT has no Hoare annotation [2020-07-17 21:21:15,028 WARN L170 areAnnotationChecker]: L560-1 has no Hoare annotation [2020-07-17 21:21:15,028 WARN L170 areAnnotationChecker]: L130 has no Hoare annotation [2020-07-17 21:21:15,028 WARN L170 areAnnotationChecker]: L130 has no Hoare annotation [2020-07-17 21:21:15,029 WARN L170 areAnnotationChecker]: L83 has no Hoare annotation [2020-07-17 21:21:15,029 WARN L170 areAnnotationChecker]: L83 has no Hoare annotation [2020-07-17 21:21:15,029 WARN L170 areAnnotationChecker]: L370 has no Hoare annotation [2020-07-17 21:21:15,029 WARN L170 areAnnotationChecker]: L370 has no Hoare annotation [2020-07-17 21:21:15,029 WARN L170 areAnnotationChecker]: L332-2 has no Hoare annotation [2020-07-17 21:21:15,029 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-17 21:21:15,029 WARN L170 areAnnotationChecker]: isMethaneAlarmEXIT has no Hoare annotation [2020-07-17 21:21:15,029 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-17 21:21:15,029 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-17 21:21:15,029 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-17 21:21:15,030 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-17 21:21:15,030 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-17 21:21:15,030 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-17 21:21:15,030 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-17 21:21:15,030 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-17 21:21:15,030 WARN L170 areAnnotationChecker]: testEXIT has no Hoare annotation [2020-07-17 21:21:15,030 WARN L170 areAnnotationChecker]: L173 has no Hoare annotation [2020-07-17 21:21:15,030 WARN L170 areAnnotationChecker]: L173 has no Hoare annotation [2020-07-17 21:21:15,030 WARN L170 areAnnotationChecker]: L639-2 has no Hoare annotation [2020-07-17 21:21:15,031 WARN L170 areAnnotationChecker]: L639-2 has no Hoare annotation [2020-07-17 21:21:15,031 WARN L170 areAnnotationChecker]: L639-2 has no Hoare annotation [2020-07-17 21:21:15,031 WARN L170 areAnnotationChecker]: L678 has no Hoare annotation [2020-07-17 21:21:15,031 WARN L170 areAnnotationChecker]: L678 has no Hoare annotation [2020-07-17 21:21:15,031 WARN L170 areAnnotationChecker]: printEnvironmentEXIT has no Hoare annotation [2020-07-17 21:21:15,031 WARN L170 areAnnotationChecker]: L279 has no Hoare annotation [2020-07-17 21:21:15,031 WARN L170 areAnnotationChecker]: L279 has no Hoare annotation [2020-07-17 21:21:15,031 WARN L170 areAnnotationChecker]: L91 has no Hoare annotation [2020-07-17 21:21:15,031 WARN L170 areAnnotationChecker]: L91 has no Hoare annotation [2020-07-17 21:21:15,031 WARN L170 areAnnotationChecker]: L193 has no Hoare annotation [2020-07-17 21:21:15,032 WARN L170 areAnnotationChecker]: L193 has no Hoare annotation [2020-07-17 21:21:15,032 WARN L170 areAnnotationChecker]: L366 has no Hoare annotation [2020-07-17 21:21:15,032 WARN L170 areAnnotationChecker]: L366 has no Hoare annotation [2020-07-17 21:21:15,032 WARN L170 areAnnotationChecker]: L67 has no Hoare annotation [2020-07-17 21:21:15,032 WARN L170 areAnnotationChecker]: L53 has no Hoare annotation [2020-07-17 21:21:15,032 WARN L170 areAnnotationChecker]: L364 has no Hoare annotation [2020-07-17 21:21:15,032 WARN L170 areAnnotationChecker]: L364 has no Hoare annotation [2020-07-17 21:21:15,032 WARN L170 areAnnotationChecker]: L87 has no Hoare annotation [2020-07-17 21:21:15,032 WARN L170 areAnnotationChecker]: L87 has no Hoare annotation [2020-07-17 21:21:15,032 WARN L170 areAnnotationChecker]: L183 has no Hoare annotation [2020-07-17 21:21:15,033 WARN L170 areAnnotationChecker]: L183 has no Hoare annotation [2020-07-17 21:21:15,033 WARN L170 areAnnotationChecker]: __utac_acc__Specification3_spec__1EXIT has no Hoare annotation [2020-07-17 21:21:15,033 WARN L170 areAnnotationChecker]: L655-1 has no Hoare annotation [2020-07-17 21:21:15,033 WARN L170 areAnnotationChecker]: L671-1 has no Hoare annotation [2020-07-17 21:21:15,033 WARN L170 areAnnotationChecker]: L573 has no Hoare annotation [2020-07-17 21:21:15,033 WARN L170 areAnnotationChecker]: L573 has no Hoare annotation [2020-07-17 21:21:15,033 WARN L170 areAnnotationChecker]: L132 has no Hoare annotation [2020-07-17 21:21:15,033 WARN L170 areAnnotationChecker]: L132 has no Hoare annotation [2020-07-17 21:21:15,033 WARN L170 areAnnotationChecker]: L84 has no Hoare annotation [2020-07-17 21:21:15,033 WARN L170 areAnnotationChecker]: L84 has no Hoare annotation [2020-07-17 21:21:15,034 WARN L170 areAnnotationChecker]: L374 has no Hoare annotation [2020-07-17 21:21:15,034 WARN L170 areAnnotationChecker]: L374 has no Hoare annotation [2020-07-17 21:21:15,034 WARN L170 areAnnotationChecker]: L343 has no Hoare annotation [2020-07-17 21:21:15,034 WARN L170 areAnnotationChecker]: L343 has no Hoare annotation [2020-07-17 21:21:15,034 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-17 21:21:15,034 WARN L170 areAnnotationChecker]: L88 has no Hoare annotation [2020-07-17 21:21:15,034 WARN L170 areAnnotationChecker]: L88 has no Hoare annotation [2020-07-17 21:21:15,034 WARN L170 areAnnotationChecker]: L92 has no Hoare annotation [2020-07-17 21:21:15,034 WARN L170 areAnnotationChecker]: L92 has no Hoare annotation [2020-07-17 21:21:15,035 WARN L170 areAnnotationChecker]: L63 has no Hoare annotation [2020-07-17 21:21:15,035 WARN L170 areAnnotationChecker]: L175 has no Hoare annotation [2020-07-17 21:21:15,035 WARN L170 areAnnotationChecker]: L175 has no Hoare annotation [2020-07-17 21:21:15,035 WARN L170 areAnnotationChecker]: L660 has no Hoare annotation [2020-07-17 21:21:15,035 WARN L170 areAnnotationChecker]: L640 has no Hoare annotation [2020-07-17 21:21:15,035 WARN L170 areAnnotationChecker]: L640 has no Hoare annotation [2020-07-17 21:21:15,035 WARN L170 areAnnotationChecker]: L679 has no Hoare annotation [2020-07-17 21:21:15,035 WARN L170 areAnnotationChecker]: L679 has no Hoare annotation [2020-07-17 21:21:15,036 WARN L170 areAnnotationChecker]: L343-1 has no Hoare annotation [2020-07-17 21:21:15,036 WARN L170 areAnnotationChecker]: L199-2 has no Hoare annotation [2020-07-17 21:21:15,036 WARN L170 areAnnotationChecker]: L199-2 has no Hoare annotation [2020-07-17 21:21:15,036 WARN L170 areAnnotationChecker]: L199 has no Hoare annotation [2020-07-17 21:21:15,036 WARN L170 areAnnotationChecker]: L199 has no Hoare annotation [2020-07-17 21:21:15,036 WARN L170 areAnnotationChecker]: L368 has no Hoare annotation [2020-07-17 21:21:15,036 WARN L170 areAnnotationChecker]: L368 has no Hoare annotation [2020-07-17 21:21:15,036 WARN L170 areAnnotationChecker]: cleanupEXIT has no Hoare annotation [2020-07-17 21:21:15,036 WARN L170 areAnnotationChecker]: cleanupEXIT has no Hoare annotation [2020-07-17 21:21:15,036 WARN L170 areAnnotationChecker]: L56 has no Hoare annotation [2020-07-17 21:21:15,037 WARN L170 areAnnotationChecker]: L56 has no Hoare annotation [2020-07-17 21:21:15,037 WARN L170 areAnnotationChecker]: L185 has no Hoare annotation [2020-07-17 21:21:15,037 WARN L170 areAnnotationChecker]: L185 has no Hoare annotation [2020-07-17 21:21:15,037 WARN L170 areAnnotationChecker]: L85 has no Hoare annotation [2020-07-17 21:21:15,037 WARN L170 areAnnotationChecker]: L85 has no Hoare annotation [2020-07-17 21:21:15,037 WARN L170 areAnnotationChecker]: L89 has no Hoare annotation [2020-07-17 21:21:15,037 WARN L170 areAnnotationChecker]: L89 has no Hoare annotation [2020-07-17 21:21:15,037 WARN L170 areAnnotationChecker]: L93 has no Hoare annotation [2020-07-17 21:21:15,037 WARN L170 areAnnotationChecker]: L93 has no Hoare annotation [2020-07-17 21:21:15,037 WARN L170 areAnnotationChecker]: L671 has no Hoare annotation [2020-07-17 21:21:15,038 WARN L170 areAnnotationChecker]: L671 has no Hoare annotation [2020-07-17 21:21:15,038 WARN L170 areAnnotationChecker]: L641 has no Hoare annotation [2020-07-17 21:21:15,038 WARN L170 areAnnotationChecker]: printPumpFINAL has no Hoare annotation [2020-07-17 21:21:15,038 WARN L170 areAnnotationChecker]: Specification2FINAL has no Hoare annotation [2020-07-17 21:21:15,038 WARN L170 areAnnotationChecker]: L56-1 has no Hoare annotation [2020-07-17 21:21:15,038 WARN L170 areAnnotationChecker]: L56-1 has no Hoare annotation [2020-07-17 21:21:15,038 WARN L170 areAnnotationChecker]: L655 has no Hoare annotation [2020-07-17 21:21:15,038 WARN L170 areAnnotationChecker]: L655 has no Hoare annotation [2020-07-17 21:21:15,038 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-17 21:21:15,038 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-17 21:21:15,039 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-17 21:21:15,039 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-17 21:21:15,039 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-17 21:21:15,039 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-17 21:21:15,039 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-17 21:21:15,039 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. [2020-07-17 21:21:15,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 09:21:15 BoogieIcfgContainer [2020-07-17 21:21:15,042 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 21:21:15,044 INFO L168 Benchmark]: Toolchain (without parser) took 41795.78 ms. Allocated memory was 135.8 MB in the beginning and 692.1 MB in the end (delta: 556.3 MB). Free memory was 99.3 MB in the beginning and 253.4 MB in the end (delta: -154.1 MB). Peak memory consumption was 402.2 MB. Max. memory is 7.1 GB. [2020-07-17 21:21:15,045 INFO L168 Benchmark]: CDTParser took 0.46 ms. Allocated memory is still 135.8 MB. Free memory was 118.8 MB in the beginning and 118.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-17 21:21:15,046 INFO L168 Benchmark]: CACSL2BoogieTranslator took 640.53 ms. Allocated memory was 135.8 MB in the beginning and 199.8 MB in the end (delta: 64.0 MB). Free memory was 98.8 MB in the beginning and 169.0 MB in the end (delta: -70.2 MB). Peak memory consumption was 30.1 MB. Max. memory is 7.1 GB. [2020-07-17 21:21:15,046 INFO L168 Benchmark]: Boogie Preprocessor took 114.65 ms. Allocated memory is still 199.8 MB. Free memory was 169.0 MB in the beginning and 162.8 MB in the end (delta: 6.2 MB). Peak memory consumption was 6.2 MB. Max. memory is 7.1 GB. [2020-07-17 21:21:15,047 INFO L168 Benchmark]: RCFGBuilder took 1572.73 ms. Allocated memory was 199.8 MB in the beginning and 228.1 MB in the end (delta: 28.3 MB). Free memory was 162.8 MB in the beginning and 100.9 MB in the end (delta: 62.0 MB). Peak memory consumption was 90.3 MB. Max. memory is 7.1 GB. [2020-07-17 21:21:15,048 INFO L168 Benchmark]: TraceAbstraction took 39461.46 ms. Allocated memory was 228.1 MB in the beginning and 692.1 MB in the end (delta: 464.0 MB). Free memory was 100.9 MB in the beginning and 253.4 MB in the end (delta: -152.5 MB). Peak memory consumption was 311.5 MB. Max. memory is 7.1 GB. [2020-07-17 21:21:15,051 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 0.46 ms. Allocated memory is still 135.8 MB. Free memory was 118.8 MB in the beginning and 118.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 640.53 ms. Allocated memory was 135.8 MB in the beginning and 199.8 MB in the end (delta: 64.0 MB). Free memory was 98.8 MB in the beginning and 169.0 MB in the end (delta: -70.2 MB). Peak memory consumption was 30.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 114.65 ms. Allocated memory is still 199.8 MB. Free memory was 169.0 MB in the beginning and 162.8 MB in the end (delta: 6.2 MB). Peak memory consumption was 6.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1572.73 ms. Allocated memory was 199.8 MB in the beginning and 228.1 MB in the end (delta: 28.3 MB). Free memory was 162.8 MB in the beginning and 100.9 MB in the end (delta: 62.0 MB). Peak memory consumption was 90.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 39461.46 ms. Allocated memory was 228.1 MB in the beginning and 692.1 MB in the end (delta: 464.0 MB). Free memory was 100.9 MB in the beginning and 253.4 MB in the end (delta: -152.5 MB). Peak memory consumption was 311.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 148]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L40] int cleanupTimeShifts = 4; [L224] int pumpRunning = 0; [L225] int systemActive = 1; [L589] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L786] int waterLevel = 1; [L787] int methaneLevelCritical = 0; VAL [\old(cleanupTimeShifts)=171, \old(head)=176, \old(head)=164, \old(methaneLevelCritical)=150, \old(pumpRunning)=140, \old(systemActive)=139, \old(waterLevel)=148, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L121] int retValue_acc ; [L122] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L126] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L127] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L128] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L411] int retValue_acc ; [L414] retValue_acc = 1 [L415] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L128] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L128] tmp = valid_product() [L130] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L132] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L133] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L112] CALL test() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L154] int splverifierCounter ; [L155] int tmp ; [L156] int tmp___0 ; [L157] int tmp___1 ; [L158] int tmp___2 ; [L161] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L163] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L165] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L171] tmp = __VERIFIER_nondet_int() [L173] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L175] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L804] COND TRUE waterLevel < 2 [L805] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L175] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L181] tmp___0 = __VERIFIER_nondet_int() [L183] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L191] tmp___2 = __VERIFIER_nondet_int() [L193] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L206] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L232] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L239] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L241] FCALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L247] CALL __utac_acc__Specification3_spec__1() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L352] int tmp ; [L353] int tmp___0 ; [L354] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L358] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L825] int retValue_acc ; [L828] retValue_acc = methaneLevelCritical [L829] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L358] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L358] tmp = isMethaneLevelCritical() [L360] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L364] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L857] int retValue_acc ; [L860] retValue_acc = waterLevel [L861] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=1, waterLevel=2] [L364] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L364] tmp___0 = getWaterLevel() [L366] COND TRUE tmp___0 == 2 VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L368] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L305] int retValue_acc ; [L308] retValue_acc = pumpRunning [L309] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L368] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L368] tmp___1 = isPumpRunning() [L370] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L374] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L148] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 35 procedures, 204 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 39.2s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 29.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 364 SDtfs, 509 SDslu, 193 SDs, 0 SdLazy, 957 SolverSat, 289 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 121 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 4.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=141occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 5.5s AutomataMinimizationTime, 5 MinimizatonAttempts, 96 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 350 NumberOfCodeBlocks, 350 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 281 ConstructedInterpolants, 0 QuantifiedInterpolants, 78876 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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...