/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_product02.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-8fc6572 [2020-07-10 13:54:43,054 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-10 13:54:43,057 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-10 13:54:43,075 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-10 13:54:43,075 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-10 13:54:43,077 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-10 13:54:43,078 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-10 13:54:43,080 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-10 13:54:43,082 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-10 13:54:43,083 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-10 13:54:43,084 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-10 13:54:43,085 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-10 13:54:43,085 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-10 13:54:43,086 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-10 13:54:43,087 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-10 13:54:43,088 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-10 13:54:43,089 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-10 13:54:43,090 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-10 13:54:43,092 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-10 13:54:43,093 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-10 13:54:43,095 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-10 13:54:43,096 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-10 13:54:43,097 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-10 13:54:43,098 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-10 13:54:43,100 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-10 13:54:43,100 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-10 13:54:43,101 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-10 13:54:43,102 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-10 13:54:43,102 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-10 13:54:43,103 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-10 13:54:43,103 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-10 13:54:43,104 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-10 13:54:43,105 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-10 13:54:43,106 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-10 13:54:43,107 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-10 13:54:43,107 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-10 13:54:43,108 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-10 13:54:43,108 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-10 13:54:43,108 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-10 13:54:43,109 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-10 13:54:43,110 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-10 13:54:43,110 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 [2020-07-10 13:54:43,124 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-10 13:54:43,125 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-10 13:54:43,126 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-10 13:54:43,126 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-10 13:54:43,126 INFO L138 SettingsManager]: * Use SBE=true [2020-07-10 13:54:43,127 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-10 13:54:43,127 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-10 13:54:43,127 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-10 13:54:43,127 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-10 13:54:43,127 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-10 13:54:43,128 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-10 13:54:43,128 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-10 13:54:43,128 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-10 13:54:43,128 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-10 13:54:43,128 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-10 13:54:43,128 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-10 13:54:43,129 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-10 13:54:43,129 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-10 13:54:43,129 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-10 13:54:43,129 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-10 13:54:43,130 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-10 13:54:43,130 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-10 13:54:43,130 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-10 13:54:43,130 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-10 13:54:43,130 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-10 13:54:43,131 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-10 13:54:43,131 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-10 13:54:43,131 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-10 13:54:43,131 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-10 13:54:43,131 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-10 13:54:43,414 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-10 13:54:43,425 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-10 13:54:43,428 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-10 13:54:43,429 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-10 13:54:43,429 INFO L275 PluginConnector]: CDTParser initialized [2020-07-10 13:54:43,430 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product02.cil.c [2020-07-10 13:54:43,509 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e196c808/ce4efe6bca874e199d75596022982455/FLAG3284efb51 [2020-07-10 13:54:44,099 INFO L306 CDTParser]: Found 1 translation units. [2020-07-10 13:54:44,100 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product02.cil.c [2020-07-10 13:54:44,111 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e196c808/ce4efe6bca874e199d75596022982455/FLAG3284efb51 [2020-07-10 13:54:44,401 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e196c808/ce4efe6bca874e199d75596022982455 [2020-07-10 13:54:44,410 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-10 13:54:44,412 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-10 13:54:44,413 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-10 13:54:44,413 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-10 13:54:44,417 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-10 13:54:44,418 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 01:54:44" (1/1) ... [2020-07-10 13:54:44,424 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4577aea5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 01:54:44, skipping insertion in model container [2020-07-10 13:54:44,424 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 01:54:44" (1/1) ... [2020-07-10 13:54:44,432 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-10 13:54:44,489 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-10 13:54:44,964 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-10 13:54:44,978 INFO L203 MainTranslator]: Completed pre-run [2020-07-10 13:54:45,064 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-10 13:54:45,101 INFO L208 MainTranslator]: Completed translation [2020-07-10 13:54:45,102 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 01:54:45 WrapperNode [2020-07-10 13:54:45,102 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-10 13:54:45,103 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-10 13:54:45,103 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-10 13:54:45,103 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-10 13:54:45,119 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 01:54:45" (1/1) ... [2020-07-10 13:54:45,122 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 01:54:45" (1/1) ... [2020-07-10 13:54:45,140 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 01:54:45" (1/1) ... [2020-07-10 13:54:45,140 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 01:54:45" (1/1) ... [2020-07-10 13:54:45,198 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 01:54:45" (1/1) ... [2020-07-10 13:54:45,217 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 01:54:45" (1/1) ... [2020-07-10 13:54:45,223 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 01:54:45" (1/1) ... [2020-07-10 13:54:45,247 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-10 13:54:45,247 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-10 13:54:45,248 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-10 13:54:45,248 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-10 13:54:45,249 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 01:54:45" (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 [2020-07-10 13:54:45,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-10 13:54:45,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-10 13:54:45,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-10 13:54:45,339 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-10 13:54:45,340 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-10 13:54:45,340 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-10 13:54:45,340 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-10 13:54:45,340 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-10 13:54:45,340 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-10 13:54:45,340 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-10 13:54:45,341 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-10 13:54:45,341 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-10 13:54:45,342 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-10 13:54:45,343 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-10 13:54:45,343 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-10 13:54:45,344 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-10 13:54:45,344 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-10 13:54:45,344 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-10 13:54:45,344 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-10 13:54:45,344 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-10 13:54:45,344 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-10 13:54:45,345 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-10 13:54:45,345 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-07-10 13:54:45,345 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-10 13:54:45,346 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-10 13:54:45,346 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-10 13:54:45,346 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-10 13:54:45,346 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-10 13:54:45,346 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-10 13:54:45,347 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-10 13:54:45,347 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-10 13:54:45,347 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-10 13:54:45,347 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-10 13:54:45,347 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-10 13:54:45,347 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-10 13:54:45,347 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-10 13:54:45,348 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-10 13:54:45,348 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-10 13:54:45,348 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-10 13:54:45,348 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-10 13:54:45,349 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-10 13:54:45,349 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-10 13:54:45,349 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-10 13:54:45,349 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-10 13:54:45,349 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-10 13:54:45,350 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-10 13:54:45,350 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-10 13:54:45,350 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-10 13:54:45,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-10 13:54:45,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-10 13:54:45,351 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-10 13:54:45,351 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-10 13:54:45,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-10 13:54:45,351 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-10 13:54:45,351 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-10 13:54:45,351 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-10 13:54:45,351 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-10 13:54:45,352 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-10 13:54:45,352 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-10 13:54:45,352 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-10 13:54:45,352 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-10 13:54:45,352 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-10 13:54:45,352 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-10 13:54:45,352 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-10 13:54:45,353 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-10 13:54:45,353 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-10 13:54:45,353 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-10 13:54:45,353 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-10 13:54:45,354 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-10 13:54:45,354 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-07-10 13:54:45,354 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-10 13:54:45,354 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-10 13:54:45,354 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-10 13:54:45,355 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-10 13:54:45,355 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-10 13:54:45,355 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-10 13:54:45,355 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-10 13:54:45,356 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-10 13:54:45,356 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-10 13:54:45,356 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-10 13:54:45,356 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-10 13:54:45,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-10 13:54:45,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-10 13:54:45,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-10 13:54:46,938 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-10 13:54:46,938 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-10 13:54:46,943 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 01:54:46 BoogieIcfgContainer [2020-07-10 13:54:46,943 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-10 13:54:46,945 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-10 13:54:46,945 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-10 13:54:46,948 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-10 13:54:46,949 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.07 01:54:44" (1/3) ... [2020-07-10 13:54:46,949 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8e2aed6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 01:54:46, skipping insertion in model container [2020-07-10 13:54:46,950 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 01:54:45" (2/3) ... [2020-07-10 13:54:46,950 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8e2aed6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 01:54:46, skipping insertion in model container [2020-07-10 13:54:46,950 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 01:54:46" (3/3) ... [2020-07-10 13:54:46,952 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product02.cil.c [2020-07-10 13:54:46,963 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-10 13:54:46,971 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-10 13:54:46,985 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-10 13:54:47,010 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-10 13:54:47,011 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-10 13:54:47,011 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-10 13:54:47,011 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-10 13:54:47,012 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-10 13:54:47,012 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-10 13:54:47,012 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-10 13:54:47,012 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-10 13:54:47,036 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states. [2020-07-10 13:54:47,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-10 13:54:47,047 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 13:54:47,048 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] [2020-07-10 13:54:47,049 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 13:54:47,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 13:54:47,057 INFO L82 PathProgramCache]: Analyzing trace with hash 761454740, now seen corresponding path program 1 times [2020-07-10 13:54:47,069 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-10 13:54:47,069 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801091895] [2020-07-10 13:54:47,070 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 13:54:47,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:54:47,833 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-10 13:54:47,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:54:47,926 INFO L280 TraceCheckUtils]: 0: Hoare triple {163#(and (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string24.base| |old(#t~string24.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string44.base| |old(#t~string44.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(30);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(9);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(21);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(25);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(13);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string40.base, #t~string40.offset, 1);call write~init~int(110, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 2 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(102, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(102, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 3 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string44.base, #t~string44.offset, 1);call write~init~int(80, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(117, #t~string44.base, 2 + #t~string44.offset, 1);call write~init~int(109, #t~string44.base, 3 + #t~string44.offset, 1);call write~init~int(112, #t~string44.base, 4 + #t~string44.offset, 1);call write~init~int(58, #t~string44.base, 5 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 6 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string50.base, #t~string50.offset, 1);call write~init~int(32, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 2 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string52.base, #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 1 + #t~string52.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(13);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string64.base, #t~string64.offset, 1);call write~init~int(77, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(101, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(116, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(104, #t~string64.base, 4 + #t~string64.offset, 1);call write~init~int(58, #t~string64.base, 5 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 6 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string66.base, #t~string66.offset, 1);call write~init~int(82, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(73, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(84, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 4 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string68.base, #t~string68.offset, 1);call write~init~int(75, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 2 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string70.base, #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 1 + #t~string70.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {140#true} is VALID [2020-07-10 13:54:47,927 INFO L280 TraceCheckUtils]: 1: Hoare triple {140#true} assume true; {140#true} is VALID [2020-07-10 13:54:47,927 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {140#true} {140#true} #447#return; {140#true} is VALID [2020-07-10 13:54:47,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:54:47,939 INFO L280 TraceCheckUtils]: 0: Hoare triple {140#true} assume true; {140#true} is VALID [2020-07-10 13:54:47,939 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {140#true} {140#true} #369#return; {140#true} is VALID [2020-07-10 13:54:47,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:54:47,942 INFO L280 TraceCheckUtils]: 0: Hoare triple {140#true} assume true; {140#true} is VALID [2020-07-10 13:54:47,943 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {140#true} {140#true} #371#return; {140#true} is VALID [2020-07-10 13:54:47,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:54:47,949 INFO L280 TraceCheckUtils]: 0: Hoare triple {140#true} havoc ~retValue_acc~1;~retValue_acc~1 := 1;#res := ~retValue_acc~1; {140#true} is VALID [2020-07-10 13:54:47,950 INFO L280 TraceCheckUtils]: 1: Hoare triple {140#true} assume true; {140#true} is VALID [2020-07-10 13:54:47,950 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {140#true} {140#true} #373#return; {140#true} is VALID [2020-07-10 13:54:47,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:54:47,957 INFO L280 TraceCheckUtils]: 0: Hoare triple {140#true} assume true; {140#true} is VALID [2020-07-10 13:54:47,957 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {140#true} {140#true} #375#return; {140#true} is VALID [2020-07-10 13:54:47,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:54:47,962 INFO L280 TraceCheckUtils]: 0: Hoare triple {140#true} havoc ~retValue_acc~8;~retValue_acc~8 := ~methaneLevelCritical~0;#res := ~retValue_acc~8; {140#true} is VALID [2020-07-10 13:54:47,962 INFO L280 TraceCheckUtils]: 1: Hoare triple {140#true} assume true; {140#true} is VALID [2020-07-10 13:54:47,963 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {140#true} {141#false} #439#return; {141#false} is VALID [2020-07-10 13:54:47,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:54:47,969 INFO L280 TraceCheckUtils]: 0: Hoare triple {140#true} havoc ~retValue_acc~9;~retValue_acc~9 := ~waterLevel~0;#res := ~retValue_acc~9; {140#true} is VALID [2020-07-10 13:54:47,969 INFO L280 TraceCheckUtils]: 1: Hoare triple {140#true} assume true; {140#true} is VALID [2020-07-10 13:54:47,969 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {140#true} {141#false} #441#return; {141#false} is VALID [2020-07-10 13:54:47,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:54:47,974 INFO L280 TraceCheckUtils]: 0: Hoare triple {140#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~pumpRunning~0;#res := ~retValue_acc~6; {140#true} is VALID [2020-07-10 13:54:47,974 INFO L280 TraceCheckUtils]: 1: Hoare triple {140#true} assume true; {140#true} is VALID [2020-07-10 13:54:47,975 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {140#true} {141#false} #443#return; {141#false} is VALID [2020-07-10 13:54:47,981 INFO L263 TraceCheckUtils]: 0: Hoare triple {140#true} call ULTIMATE.init(); {163#(and (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string24.base| |old(#t~string24.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string44.base| |old(#t~string44.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|))} is VALID [2020-07-10 13:54:47,981 INFO L280 TraceCheckUtils]: 1: Hoare triple {163#(and (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string24.base| |old(#t~string24.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string44.base| |old(#t~string44.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(30);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(9);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(21);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(25);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(13);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string40.base, #t~string40.offset, 1);call write~init~int(110, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 2 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(102, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(102, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 3 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string44.base, #t~string44.offset, 1);call write~init~int(80, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(117, #t~string44.base, 2 + #t~string44.offset, 1);call write~init~int(109, #t~string44.base, 3 + #t~string44.offset, 1);call write~init~int(112, #t~string44.base, 4 + #t~string44.offset, 1);call write~init~int(58, #t~string44.base, 5 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 6 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string50.base, #t~string50.offset, 1);call write~init~int(32, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 2 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string52.base, #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 1 + #t~string52.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(13);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string64.base, #t~string64.offset, 1);call write~init~int(77, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(101, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(116, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(104, #t~string64.base, 4 + #t~string64.offset, 1);call write~init~int(58, #t~string64.base, 5 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 6 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string66.base, #t~string66.offset, 1);call write~init~int(82, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(73, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(84, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 4 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string68.base, #t~string68.offset, 1);call write~init~int(75, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 2 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string70.base, #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 1 + #t~string70.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {140#true} is VALID [2020-07-10 13:54:47,982 INFO L280 TraceCheckUtils]: 2: Hoare triple {140#true} assume true; {140#true} is VALID [2020-07-10 13:54:47,982 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {140#true} {140#true} #447#return; {140#true} is VALID [2020-07-10 13:54:47,982 INFO L263 TraceCheckUtils]: 4: Hoare triple {140#true} call #t~ret71 := main(); {140#true} is VALID [2020-07-10 13:54:47,983 INFO L280 TraceCheckUtils]: 5: Hoare triple {140#true} havoc ~retValue_acc~7;havoc ~tmp~5; {140#true} is VALID [2020-07-10 13:54:47,983 INFO L263 TraceCheckUtils]: 6: Hoare triple {140#true} call select_helpers(); {140#true} is VALID [2020-07-10 13:54:47,983 INFO L280 TraceCheckUtils]: 7: Hoare triple {140#true} assume true; {140#true} is VALID [2020-07-10 13:54:47,984 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {140#true} {140#true} #369#return; {140#true} is VALID [2020-07-10 13:54:47,984 INFO L263 TraceCheckUtils]: 9: Hoare triple {140#true} call select_features(); {140#true} is VALID [2020-07-10 13:54:47,984 INFO L280 TraceCheckUtils]: 10: Hoare triple {140#true} assume true; {140#true} is VALID [2020-07-10 13:54:47,985 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {140#true} {140#true} #371#return; {140#true} is VALID [2020-07-10 13:54:47,985 INFO L263 TraceCheckUtils]: 12: Hoare triple {140#true} call #t~ret60 := valid_product(); {140#true} is VALID [2020-07-10 13:54:47,985 INFO L280 TraceCheckUtils]: 13: Hoare triple {140#true} havoc ~retValue_acc~1;~retValue_acc~1 := 1;#res := ~retValue_acc~1; {140#true} is VALID [2020-07-10 13:54:47,986 INFO L280 TraceCheckUtils]: 14: Hoare triple {140#true} assume true; {140#true} is VALID [2020-07-10 13:54:47,986 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {140#true} {140#true} #373#return; {140#true} is VALID [2020-07-10 13:54:47,986 INFO L280 TraceCheckUtils]: 16: Hoare triple {140#true} assume -2147483648 <= #t~ret60 && #t~ret60 <= 2147483647;~tmp~5 := #t~ret60;havoc #t~ret60; {140#true} is VALID [2020-07-10 13:54:47,987 INFO L280 TraceCheckUtils]: 17: Hoare triple {140#true} assume 0 != ~tmp~5; {140#true} is VALID [2020-07-10 13:54:47,987 INFO L263 TraceCheckUtils]: 18: Hoare triple {140#true} call setup(); {140#true} is VALID [2020-07-10 13:54:47,987 INFO L280 TraceCheckUtils]: 19: Hoare triple {140#true} assume true; {140#true} is VALID [2020-07-10 13:54:47,988 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {140#true} {140#true} #375#return; {140#true} is VALID [2020-07-10 13:54:47,988 INFO L263 TraceCheckUtils]: 21: Hoare triple {140#true} call runTest(); {140#true} is VALID [2020-07-10 13:54:47,988 INFO L263 TraceCheckUtils]: 22: Hoare triple {140#true} call test(); {140#true} is VALID [2020-07-10 13:54:47,989 INFO L280 TraceCheckUtils]: 23: Hoare triple {140#true} havoc ~splverifierCounter~0;havoc ~tmp~4;havoc ~tmp___0~1;havoc ~tmp___1~1;havoc ~tmp___2~0;~splverifierCounter~0 := 0; {140#true} is VALID [2020-07-10 13:54:47,990 INFO L280 TraceCheckUtils]: 24: Hoare triple {140#true} assume !true; {141#false} is VALID [2020-07-10 13:54:47,991 INFO L263 TraceCheckUtils]: 25: Hoare triple {141#false} call cleanup(); {141#false} is VALID [2020-07-10 13:54:47,991 INFO L280 TraceCheckUtils]: 26: Hoare triple {141#false} havoc ~i~0;havoc ~__cil_tmp2~0; {141#false} is VALID [2020-07-10 13:54:47,992 INFO L263 TraceCheckUtils]: 27: Hoare triple {141#false} call timeShift(); {141#false} is VALID [2020-07-10 13:54:47,992 INFO L280 TraceCheckUtils]: 28: Hoare triple {141#false} assume !(0 != ~pumpRunning~0); {141#false} is VALID [2020-07-10 13:54:47,992 INFO L280 TraceCheckUtils]: 29: Hoare triple {141#false} assume !(0 != ~systemActive~0); {141#false} is VALID [2020-07-10 13:54:47,993 INFO L263 TraceCheckUtils]: 30: Hoare triple {141#false} call __utac_acc__Specification3_spec__1(); {141#false} is VALID [2020-07-10 13:54:47,993 INFO L280 TraceCheckUtils]: 31: Hoare triple {141#false} havoc ~tmp~3;havoc ~tmp___0~0;havoc ~tmp___1~0; {141#false} is VALID [2020-07-10 13:54:47,993 INFO L263 TraceCheckUtils]: 32: Hoare triple {141#false} call #t~ret53 := isMethaneLevelCritical(); {140#true} is VALID [2020-07-10 13:54:47,994 INFO L280 TraceCheckUtils]: 33: Hoare triple {140#true} havoc ~retValue_acc~8;~retValue_acc~8 := ~methaneLevelCritical~0;#res := ~retValue_acc~8; {140#true} is VALID [2020-07-10 13:54:47,994 INFO L280 TraceCheckUtils]: 34: Hoare triple {140#true} assume true; {140#true} is VALID [2020-07-10 13:54:47,994 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {140#true} {141#false} #439#return; {141#false} is VALID [2020-07-10 13:54:47,994 INFO L280 TraceCheckUtils]: 36: Hoare triple {141#false} assume -2147483648 <= #t~ret53 && #t~ret53 <= 2147483647;~tmp~3 := #t~ret53;havoc #t~ret53; {141#false} is VALID [2020-07-10 13:54:47,995 INFO L280 TraceCheckUtils]: 37: Hoare triple {141#false} assume !(0 != ~tmp~3); {141#false} is VALID [2020-07-10 13:54:47,995 INFO L263 TraceCheckUtils]: 38: Hoare triple {141#false} call #t~ret54 := getWaterLevel(); {140#true} is VALID [2020-07-10 13:54:47,995 INFO L280 TraceCheckUtils]: 39: Hoare triple {140#true} havoc ~retValue_acc~9;~retValue_acc~9 := ~waterLevel~0;#res := ~retValue_acc~9; {140#true} is VALID [2020-07-10 13:54:47,996 INFO L280 TraceCheckUtils]: 40: Hoare triple {140#true} assume true; {140#true} is VALID [2020-07-10 13:54:47,996 INFO L275 TraceCheckUtils]: 41: Hoare quadruple {140#true} {141#false} #441#return; {141#false} is VALID [2020-07-10 13:54:47,996 INFO L280 TraceCheckUtils]: 42: Hoare triple {141#false} assume -2147483648 <= #t~ret54 && #t~ret54 <= 2147483647;~tmp___0~0 := #t~ret54;havoc #t~ret54; {141#false} is VALID [2020-07-10 13:54:47,997 INFO L280 TraceCheckUtils]: 43: Hoare triple {141#false} assume 2 == ~tmp___0~0; {141#false} is VALID [2020-07-10 13:54:47,997 INFO L263 TraceCheckUtils]: 44: Hoare triple {141#false} call #t~ret55 := isPumpRunning(); {140#true} is VALID [2020-07-10 13:54:47,997 INFO L280 TraceCheckUtils]: 45: Hoare triple {140#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~pumpRunning~0;#res := ~retValue_acc~6; {140#true} is VALID [2020-07-10 13:54:47,998 INFO L280 TraceCheckUtils]: 46: Hoare triple {140#true} assume true; {140#true} is VALID [2020-07-10 13:54:47,998 INFO L275 TraceCheckUtils]: 47: Hoare quadruple {140#true} {141#false} #443#return; {141#false} is VALID [2020-07-10 13:54:47,998 INFO L280 TraceCheckUtils]: 48: Hoare triple {141#false} assume -2147483648 <= #t~ret55 && #t~ret55 <= 2147483647;~tmp___1~0 := #t~ret55;havoc #t~ret55; {141#false} is VALID [2020-07-10 13:54:47,999 INFO L280 TraceCheckUtils]: 49: Hoare triple {141#false} assume !(0 != ~tmp___1~0); {141#false} is VALID [2020-07-10 13:54:47,999 INFO L263 TraceCheckUtils]: 50: Hoare triple {141#false} call __automaton_fail(); {141#false} is VALID [2020-07-10 13:54:47,999 INFO L280 TraceCheckUtils]: 51: Hoare triple {141#false} assume !false; {141#false} is VALID [2020-07-10 13:54:48,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-10 13:54:48,008 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801091895] [2020-07-10 13:54:48,009 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-10 13:54:48,009 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-10 13:54:48,010 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173547683] [2020-07-10 13:54:48,017 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-10 13:54:48,021 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 13:54:48,025 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-10 13:54:48,137 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 52 edges. 52 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 13:54:48,138 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-10 13:54:48,138 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-10 13:54:48,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-10 13:54:48,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-10 13:54:48,150 INFO L87 Difference]: Start difference. First operand 137 states. Second operand 3 states. [2020-07-10 13:54:51,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 13:54:51,669 INFO L93 Difference]: Finished difference Result 220 states and 294 transitions. [2020-07-10 13:54:51,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-10 13:54:51,669 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-10 13:54:51,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 13:54:51,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-10 13:54:51,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 294 transitions. [2020-07-10 13:54:51,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-10 13:54:51,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 294 transitions. [2020-07-10 13:54:51,733 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 294 transitions. [2020-07-10 13:54:52,739 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 294 edges. 294 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 13:54:52,760 INFO L225 Difference]: With dead ends: 220 [2020-07-10 13:54:52,761 INFO L226 Difference]: Without dead ends: 120 [2020-07-10 13:54:52,765 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-10 13:54:52,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2020-07-10 13:54:53,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 91. [2020-07-10 13:54:53,658 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 13:54:53,659 INFO L82 GeneralOperation]: Start isEquivalent. First operand 120 states. Second operand 91 states. [2020-07-10 13:54:53,659 INFO L74 IsIncluded]: Start isIncluded. First operand 120 states. Second operand 91 states. [2020-07-10 13:54:53,659 INFO L87 Difference]: Start difference. First operand 120 states. Second operand 91 states. [2020-07-10 13:54:53,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 13:54:53,673 INFO L93 Difference]: Finished difference Result 120 states and 152 transitions. [2020-07-10 13:54:53,673 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 152 transitions. [2020-07-10 13:54:53,676 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 13:54:53,676 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 13:54:53,676 INFO L74 IsIncluded]: Start isIncluded. First operand 91 states. Second operand 120 states. [2020-07-10 13:54:53,676 INFO L87 Difference]: Start difference. First operand 91 states. Second operand 120 states. [2020-07-10 13:54:53,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 13:54:53,687 INFO L93 Difference]: Finished difference Result 120 states and 152 transitions. [2020-07-10 13:54:53,688 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 152 transitions. [2020-07-10 13:54:53,690 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 13:54:53,690 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 13:54:53,690 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 13:54:53,690 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 13:54:53,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2020-07-10 13:54:53,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 105 transitions. [2020-07-10 13:54:53,698 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 105 transitions. Word has length 52 [2020-07-10 13:54:53,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 13:54:53,698 INFO L479 AbstractCegarLoop]: Abstraction has 91 states and 105 transitions. [2020-07-10 13:54:53,699 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-10 13:54:53,699 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 105 transitions. [2020-07-10 13:54:53,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-07-10 13:54:53,701 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 13:54:53,701 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] [2020-07-10 13:54:53,702 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-10 13:54:53,702 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 13:54:53,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 13:54:53,702 INFO L82 PathProgramCache]: Analyzing trace with hash -873378410, now seen corresponding path program 1 times [2020-07-10 13:54:53,703 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-10 13:54:53,703 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746332303] [2020-07-10 13:54:53,703 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 13:54:53,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:54:54,065 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-10 13:54:54,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:54:54,158 INFO L280 TraceCheckUtils]: 0: Hoare triple {868#(and (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string24.base| |old(#t~string24.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string44.base| |old(#t~string44.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(30);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(9);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(21);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(25);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(13);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string40.base, #t~string40.offset, 1);call write~init~int(110, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 2 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(102, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(102, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 3 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string44.base, #t~string44.offset, 1);call write~init~int(80, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(117, #t~string44.base, 2 + #t~string44.offset, 1);call write~init~int(109, #t~string44.base, 3 + #t~string44.offset, 1);call write~init~int(112, #t~string44.base, 4 + #t~string44.offset, 1);call write~init~int(58, #t~string44.base, 5 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 6 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string50.base, #t~string50.offset, 1);call write~init~int(32, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 2 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string52.base, #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 1 + #t~string52.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(13);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string64.base, #t~string64.offset, 1);call write~init~int(77, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(101, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(116, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(104, #t~string64.base, 4 + #t~string64.offset, 1);call write~init~int(58, #t~string64.base, 5 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 6 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string66.base, #t~string66.offset, 1);call write~init~int(82, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(73, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(84, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 4 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string68.base, #t~string68.offset, 1);call write~init~int(75, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 2 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string70.base, #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 1 + #t~string70.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {844#true} is VALID [2020-07-10 13:54:54,158 INFO L280 TraceCheckUtils]: 1: Hoare triple {844#true} assume true; {844#true} is VALID [2020-07-10 13:54:54,159 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {844#true} {844#true} #447#return; {844#true} is VALID [2020-07-10 13:54:54,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:54:54,166 INFO L280 TraceCheckUtils]: 0: Hoare triple {844#true} assume true; {844#true} is VALID [2020-07-10 13:54:54,167 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {844#true} {844#true} #369#return; {844#true} is VALID [2020-07-10 13:54:54,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:54:54,170 INFO L280 TraceCheckUtils]: 0: Hoare triple {844#true} assume true; {844#true} is VALID [2020-07-10 13:54:54,170 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {844#true} {844#true} #371#return; {844#true} is VALID [2020-07-10 13:54:54,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:54:54,174 INFO L280 TraceCheckUtils]: 0: Hoare triple {844#true} havoc ~retValue_acc~1;~retValue_acc~1 := 1;#res := ~retValue_acc~1; {844#true} is VALID [2020-07-10 13:54:54,174 INFO L280 TraceCheckUtils]: 1: Hoare triple {844#true} assume true; {844#true} is VALID [2020-07-10 13:54:54,175 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {844#true} {844#true} #373#return; {844#true} is VALID [2020-07-10 13:54:54,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:54:54,178 INFO L280 TraceCheckUtils]: 0: Hoare triple {844#true} assume true; {844#true} is VALID [2020-07-10 13:54:54,178 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {844#true} {844#true} #375#return; {844#true} is VALID [2020-07-10 13:54:54,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:54:54,181 INFO L280 TraceCheckUtils]: 0: Hoare triple {844#true} havoc ~retValue_acc~8;~retValue_acc~8 := ~methaneLevelCritical~0;#res := ~retValue_acc~8; {844#true} is VALID [2020-07-10 13:54:54,182 INFO L280 TraceCheckUtils]: 1: Hoare triple {844#true} assume true; {844#true} is VALID [2020-07-10 13:54:54,182 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {844#true} {845#false} #439#return; {845#false} is VALID [2020-07-10 13:54:54,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:54:54,186 INFO L280 TraceCheckUtils]: 0: Hoare triple {844#true} havoc ~retValue_acc~9;~retValue_acc~9 := ~waterLevel~0;#res := ~retValue_acc~9; {844#true} is VALID [2020-07-10 13:54:54,187 INFO L280 TraceCheckUtils]: 1: Hoare triple {844#true} assume true; {844#true} is VALID [2020-07-10 13:54:54,187 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {844#true} {845#false} #441#return; {845#false} is VALID [2020-07-10 13:54:54,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:54:54,190 INFO L280 TraceCheckUtils]: 0: Hoare triple {844#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~pumpRunning~0;#res := ~retValue_acc~6; {844#true} is VALID [2020-07-10 13:54:54,191 INFO L280 TraceCheckUtils]: 1: Hoare triple {844#true} assume true; {844#true} is VALID [2020-07-10 13:54:54,191 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {844#true} {845#false} #443#return; {845#false} is VALID [2020-07-10 13:54:54,196 INFO L263 TraceCheckUtils]: 0: Hoare triple {844#true} call ULTIMATE.init(); {868#(and (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string24.base| |old(#t~string24.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string44.base| |old(#t~string44.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|))} is VALID [2020-07-10 13:54:54,196 INFO L280 TraceCheckUtils]: 1: Hoare triple {868#(and (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string24.base| |old(#t~string24.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string44.base| |old(#t~string44.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(30);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(9);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(21);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(25);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(13);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string40.base, #t~string40.offset, 1);call write~init~int(110, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 2 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(102, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(102, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 3 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string44.base, #t~string44.offset, 1);call write~init~int(80, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(117, #t~string44.base, 2 + #t~string44.offset, 1);call write~init~int(109, #t~string44.base, 3 + #t~string44.offset, 1);call write~init~int(112, #t~string44.base, 4 + #t~string44.offset, 1);call write~init~int(58, #t~string44.base, 5 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 6 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string50.base, #t~string50.offset, 1);call write~init~int(32, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 2 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string52.base, #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 1 + #t~string52.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(13);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string64.base, #t~string64.offset, 1);call write~init~int(77, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(101, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(116, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(104, #t~string64.base, 4 + #t~string64.offset, 1);call write~init~int(58, #t~string64.base, 5 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 6 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string66.base, #t~string66.offset, 1);call write~init~int(82, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(73, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(84, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 4 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string68.base, #t~string68.offset, 1);call write~init~int(75, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 2 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string70.base, #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 1 + #t~string70.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {844#true} is VALID [2020-07-10 13:54:54,197 INFO L280 TraceCheckUtils]: 2: Hoare triple {844#true} assume true; {844#true} is VALID [2020-07-10 13:54:54,197 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {844#true} {844#true} #447#return; {844#true} is VALID [2020-07-10 13:54:54,197 INFO L263 TraceCheckUtils]: 4: Hoare triple {844#true} call #t~ret71 := main(); {844#true} is VALID [2020-07-10 13:54:54,197 INFO L280 TraceCheckUtils]: 5: Hoare triple {844#true} havoc ~retValue_acc~7;havoc ~tmp~5; {844#true} is VALID [2020-07-10 13:54:54,198 INFO L263 TraceCheckUtils]: 6: Hoare triple {844#true} call select_helpers(); {844#true} is VALID [2020-07-10 13:54:54,198 INFO L280 TraceCheckUtils]: 7: Hoare triple {844#true} assume true; {844#true} is VALID [2020-07-10 13:54:54,198 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {844#true} {844#true} #369#return; {844#true} is VALID [2020-07-10 13:54:54,199 INFO L263 TraceCheckUtils]: 9: Hoare triple {844#true} call select_features(); {844#true} is VALID [2020-07-10 13:54:54,199 INFO L280 TraceCheckUtils]: 10: Hoare triple {844#true} assume true; {844#true} is VALID [2020-07-10 13:54:54,199 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {844#true} {844#true} #371#return; {844#true} is VALID [2020-07-10 13:54:54,199 INFO L263 TraceCheckUtils]: 12: Hoare triple {844#true} call #t~ret60 := valid_product(); {844#true} is VALID [2020-07-10 13:54:54,200 INFO L280 TraceCheckUtils]: 13: Hoare triple {844#true} havoc ~retValue_acc~1;~retValue_acc~1 := 1;#res := ~retValue_acc~1; {844#true} is VALID [2020-07-10 13:54:54,200 INFO L280 TraceCheckUtils]: 14: Hoare triple {844#true} assume true; {844#true} is VALID [2020-07-10 13:54:54,200 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {844#true} {844#true} #373#return; {844#true} is VALID [2020-07-10 13:54:54,200 INFO L280 TraceCheckUtils]: 16: Hoare triple {844#true} assume -2147483648 <= #t~ret60 && #t~ret60 <= 2147483647;~tmp~5 := #t~ret60;havoc #t~ret60; {844#true} is VALID [2020-07-10 13:54:54,201 INFO L280 TraceCheckUtils]: 17: Hoare triple {844#true} assume 0 != ~tmp~5; {844#true} is VALID [2020-07-10 13:54:54,201 INFO L263 TraceCheckUtils]: 18: Hoare triple {844#true} call setup(); {844#true} is VALID [2020-07-10 13:54:54,201 INFO L280 TraceCheckUtils]: 19: Hoare triple {844#true} assume true; {844#true} is VALID [2020-07-10 13:54:54,202 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {844#true} {844#true} #375#return; {844#true} is VALID [2020-07-10 13:54:54,202 INFO L263 TraceCheckUtils]: 21: Hoare triple {844#true} call runTest(); {844#true} is VALID [2020-07-10 13:54:54,202 INFO L263 TraceCheckUtils]: 22: Hoare triple {844#true} call test(); {844#true} is VALID [2020-07-10 13:54:54,203 INFO L280 TraceCheckUtils]: 23: Hoare triple {844#true} havoc ~splverifierCounter~0;havoc ~tmp~4;havoc ~tmp___0~1;havoc ~tmp___1~1;havoc ~tmp___2~0;~splverifierCounter~0 := 0; {858#(= 0 test_~splverifierCounter~0)} is VALID [2020-07-10 13:54:54,203 INFO L280 TraceCheckUtils]: 24: Hoare triple {858#(= 0 test_~splverifierCounter~0)} assume !false; {858#(= 0 test_~splverifierCounter~0)} is VALID [2020-07-10 13:54:54,204 INFO L280 TraceCheckUtils]: 25: Hoare triple {858#(= 0 test_~splverifierCounter~0)} assume !(~splverifierCounter~0 < 4); {845#false} is VALID [2020-07-10 13:54:54,204 INFO L263 TraceCheckUtils]: 26: Hoare triple {845#false} call cleanup(); {845#false} is VALID [2020-07-10 13:54:54,205 INFO L280 TraceCheckUtils]: 27: Hoare triple {845#false} havoc ~i~0;havoc ~__cil_tmp2~0; {845#false} is VALID [2020-07-10 13:54:54,205 INFO L263 TraceCheckUtils]: 28: Hoare triple {845#false} call timeShift(); {845#false} is VALID [2020-07-10 13:54:54,205 INFO L280 TraceCheckUtils]: 29: Hoare triple {845#false} assume !(0 != ~pumpRunning~0); {845#false} is VALID [2020-07-10 13:54:54,205 INFO L280 TraceCheckUtils]: 30: Hoare triple {845#false} assume !(0 != ~systemActive~0); {845#false} is VALID [2020-07-10 13:54:54,206 INFO L263 TraceCheckUtils]: 31: Hoare triple {845#false} call __utac_acc__Specification3_spec__1(); {845#false} is VALID [2020-07-10 13:54:54,206 INFO L280 TraceCheckUtils]: 32: Hoare triple {845#false} havoc ~tmp~3;havoc ~tmp___0~0;havoc ~tmp___1~0; {845#false} is VALID [2020-07-10 13:54:54,206 INFO L263 TraceCheckUtils]: 33: Hoare triple {845#false} call #t~ret53 := isMethaneLevelCritical(); {844#true} is VALID [2020-07-10 13:54:54,206 INFO L280 TraceCheckUtils]: 34: Hoare triple {844#true} havoc ~retValue_acc~8;~retValue_acc~8 := ~methaneLevelCritical~0;#res := ~retValue_acc~8; {844#true} is VALID [2020-07-10 13:54:54,207 INFO L280 TraceCheckUtils]: 35: Hoare triple {844#true} assume true; {844#true} is VALID [2020-07-10 13:54:54,207 INFO L275 TraceCheckUtils]: 36: Hoare quadruple {844#true} {845#false} #439#return; {845#false} is VALID [2020-07-10 13:54:54,207 INFO L280 TraceCheckUtils]: 37: Hoare triple {845#false} assume -2147483648 <= #t~ret53 && #t~ret53 <= 2147483647;~tmp~3 := #t~ret53;havoc #t~ret53; {845#false} is VALID [2020-07-10 13:54:54,208 INFO L280 TraceCheckUtils]: 38: Hoare triple {845#false} assume !(0 != ~tmp~3); {845#false} is VALID [2020-07-10 13:54:54,208 INFO L263 TraceCheckUtils]: 39: Hoare triple {845#false} call #t~ret54 := getWaterLevel(); {844#true} is VALID [2020-07-10 13:54:54,208 INFO L280 TraceCheckUtils]: 40: Hoare triple {844#true} havoc ~retValue_acc~9;~retValue_acc~9 := ~waterLevel~0;#res := ~retValue_acc~9; {844#true} is VALID [2020-07-10 13:54:54,208 INFO L280 TraceCheckUtils]: 41: Hoare triple {844#true} assume true; {844#true} is VALID [2020-07-10 13:54:54,209 INFO L275 TraceCheckUtils]: 42: Hoare quadruple {844#true} {845#false} #441#return; {845#false} is VALID [2020-07-10 13:54:54,209 INFO L280 TraceCheckUtils]: 43: Hoare triple {845#false} assume -2147483648 <= #t~ret54 && #t~ret54 <= 2147483647;~tmp___0~0 := #t~ret54;havoc #t~ret54; {845#false} is VALID [2020-07-10 13:54:54,209 INFO L280 TraceCheckUtils]: 44: Hoare triple {845#false} assume 2 == ~tmp___0~0; {845#false} is VALID [2020-07-10 13:54:54,209 INFO L263 TraceCheckUtils]: 45: Hoare triple {845#false} call #t~ret55 := isPumpRunning(); {844#true} is VALID [2020-07-10 13:54:54,210 INFO L280 TraceCheckUtils]: 46: Hoare triple {844#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~pumpRunning~0;#res := ~retValue_acc~6; {844#true} is VALID [2020-07-10 13:54:54,210 INFO L280 TraceCheckUtils]: 47: Hoare triple {844#true} assume true; {844#true} is VALID [2020-07-10 13:54:54,210 INFO L275 TraceCheckUtils]: 48: Hoare quadruple {844#true} {845#false} #443#return; {845#false} is VALID [2020-07-10 13:54:54,210 INFO L280 TraceCheckUtils]: 49: Hoare triple {845#false} assume -2147483648 <= #t~ret55 && #t~ret55 <= 2147483647;~tmp___1~0 := #t~ret55;havoc #t~ret55; {845#false} is VALID [2020-07-10 13:54:54,211 INFO L280 TraceCheckUtils]: 50: Hoare triple {845#false} assume !(0 != ~tmp___1~0); {845#false} is VALID [2020-07-10 13:54:54,211 INFO L263 TraceCheckUtils]: 51: Hoare triple {845#false} call __automaton_fail(); {845#false} is VALID [2020-07-10 13:54:54,211 INFO L280 TraceCheckUtils]: 52: Hoare triple {845#false} assume !false; {845#false} is VALID [2020-07-10 13:54:54,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-10 13:54:54,217 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746332303] [2020-07-10 13:54:54,218 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-10 13:54:54,218 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-10 13:54:54,218 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071075901] [2020-07-10 13:54:54,220 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2020-07-10 13:54:54,220 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 13:54:54,221 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-10 13:54:54,293 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 53 edges. 53 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 13:54:54,293 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-10 13:54:54,294 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-10 13:54:54,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-10 13:54:54,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-10 13:54:54,294 INFO L87 Difference]: Start difference. First operand 91 states and 105 transitions. Second operand 4 states. [2020-07-10 13:54:55,513 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-10 13:54:57,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 13:54:57,819 INFO L93 Difference]: Finished difference Result 149 states and 181 transitions. [2020-07-10 13:54:57,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-10 13:54:57,820 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2020-07-10 13:54:57,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 13:54:57,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-10 13:54:57,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 181 transitions. [2020-07-10 13:54:57,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-10 13:54:57,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 181 transitions. [2020-07-10 13:54:57,832 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 181 transitions. [2020-07-10 13:54:58,485 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 181 edges. 181 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 13:54:58,491 INFO L225 Difference]: With dead ends: 149 [2020-07-10 13:54:58,492 INFO L226 Difference]: Without dead ends: 104 [2020-07-10 13:54:58,493 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-10 13:54:58,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2020-07-10 13:54:59,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 82. [2020-07-10 13:54:59,401 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 13:54:59,401 INFO L82 GeneralOperation]: Start isEquivalent. First operand 104 states. Second operand 82 states. [2020-07-10 13:54:59,401 INFO L74 IsIncluded]: Start isIncluded. First operand 104 states. Second operand 82 states. [2020-07-10 13:54:59,401 INFO L87 Difference]: Start difference. First operand 104 states. Second operand 82 states. [2020-07-10 13:54:59,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 13:54:59,408 INFO L93 Difference]: Finished difference Result 104 states and 128 transitions. [2020-07-10 13:54:59,409 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 128 transitions. [2020-07-10 13:54:59,410 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 13:54:59,410 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 13:54:59,410 INFO L74 IsIncluded]: Start isIncluded. First operand 82 states. Second operand 104 states. [2020-07-10 13:54:59,410 INFO L87 Difference]: Start difference. First operand 82 states. Second operand 104 states. [2020-07-10 13:54:59,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 13:54:59,416 INFO L93 Difference]: Finished difference Result 104 states and 128 transitions. [2020-07-10 13:54:59,417 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 128 transitions. [2020-07-10 13:54:59,418 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 13:54:59,418 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 13:54:59,418 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 13:54:59,418 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 13:54:59,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2020-07-10 13:54:59,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 93 transitions. [2020-07-10 13:54:59,422 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 93 transitions. Word has length 53 [2020-07-10 13:54:59,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 13:54:59,423 INFO L479 AbstractCegarLoop]: Abstraction has 82 states and 93 transitions. [2020-07-10 13:54:59,423 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-10 13:54:59,423 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 93 transitions. [2020-07-10 13:54:59,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-07-10 13:54:59,425 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 13:54:59,425 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] [2020-07-10 13:54:59,425 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-10 13:54:59,425 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 13:54:59,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 13:54:59,426 INFO L82 PathProgramCache]: Analyzing trace with hash -646748837, now seen corresponding path program 1 times [2020-07-10 13:54:59,426 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-10 13:54:59,426 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575462390] [2020-07-10 13:54:59,427 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 13:54:59,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:54:59,811 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-10 13:54:59,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:54:59,897 INFO L280 TraceCheckUtils]: 0: Hoare triple {1442#(and (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string24.base| |old(#t~string24.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string44.base| |old(#t~string44.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(30);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(9);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(21);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(25);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(13);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string40.base, #t~string40.offset, 1);call write~init~int(110, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 2 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(102, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(102, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 3 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string44.base, #t~string44.offset, 1);call write~init~int(80, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(117, #t~string44.base, 2 + #t~string44.offset, 1);call write~init~int(109, #t~string44.base, 3 + #t~string44.offset, 1);call write~init~int(112, #t~string44.base, 4 + #t~string44.offset, 1);call write~init~int(58, #t~string44.base, 5 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 6 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string50.base, #t~string50.offset, 1);call write~init~int(32, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 2 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string52.base, #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 1 + #t~string52.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(13);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string64.base, #t~string64.offset, 1);call write~init~int(77, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(101, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(116, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(104, #t~string64.base, 4 + #t~string64.offset, 1);call write~init~int(58, #t~string64.base, 5 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 6 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string66.base, #t~string66.offset, 1);call write~init~int(82, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(73, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(84, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 4 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string68.base, #t~string68.offset, 1);call write~init~int(75, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 2 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string70.base, #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 1 + #t~string70.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {1420#(= 1 ~systemActive~0)} is VALID [2020-07-10 13:54:59,899 INFO L280 TraceCheckUtils]: 1: Hoare triple {1420#(= 1 ~systemActive~0)} assume true; {1420#(= 1 ~systemActive~0)} is VALID [2020-07-10 13:54:59,899 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1420#(= 1 ~systemActive~0)} {1415#true} #447#return; {1420#(= 1 ~systemActive~0)} is VALID [2020-07-10 13:54:59,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:54:59,904 INFO L280 TraceCheckUtils]: 0: Hoare triple {1415#true} assume true; {1415#true} is VALID [2020-07-10 13:54:59,905 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1415#true} {1420#(= 1 ~systemActive~0)} #369#return; {1420#(= 1 ~systemActive~0)} is VALID [2020-07-10 13:54:59,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:54:59,909 INFO L280 TraceCheckUtils]: 0: Hoare triple {1415#true} assume true; {1415#true} is VALID [2020-07-10 13:54:59,910 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1415#true} {1420#(= 1 ~systemActive~0)} #371#return; {1420#(= 1 ~systemActive~0)} is VALID [2020-07-10 13:54:59,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:54:59,958 INFO L280 TraceCheckUtils]: 0: Hoare triple {1415#true} havoc ~retValue_acc~1;~retValue_acc~1 := 1;#res := ~retValue_acc~1; {1443#(and (<= |valid_product_#res| 1) (< 0 |valid_product_#res|))} is VALID [2020-07-10 13:54:59,959 INFO L280 TraceCheckUtils]: 1: Hoare triple {1443#(and (<= |valid_product_#res| 1) (< 0 |valid_product_#res|))} assume true; {1443#(and (<= |valid_product_#res| 1) (< 0 |valid_product_#res|))} is VALID [2020-07-10 13:54:59,960 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1443#(and (<= |valid_product_#res| 1) (< 0 |valid_product_#res|))} {1420#(= 1 ~systemActive~0)} #373#return; {1428#(= |main_#t~ret60| ~systemActive~0)} is VALID [2020-07-10 13:54:59,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:54:59,964 INFO L280 TraceCheckUtils]: 0: Hoare triple {1415#true} assume true; {1415#true} is VALID [2020-07-10 13:54:59,965 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1415#true} {1430#(not (= 0 ~systemActive~0))} #375#return; {1430#(not (= 0 ~systemActive~0))} is VALID [2020-07-10 13:54:59,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:54:59,968 INFO L280 TraceCheckUtils]: 0: Hoare triple {1415#true} havoc ~retValue_acc~8;~retValue_acc~8 := ~methaneLevelCritical~0;#res := ~retValue_acc~8; {1415#true} is VALID [2020-07-10 13:54:59,968 INFO L280 TraceCheckUtils]: 1: Hoare triple {1415#true} assume true; {1415#true} is VALID [2020-07-10 13:54:59,969 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1415#true} {1416#false} #439#return; {1416#false} is VALID [2020-07-10 13:54:59,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:54:59,972 INFO L280 TraceCheckUtils]: 0: Hoare triple {1415#true} havoc ~retValue_acc~9;~retValue_acc~9 := ~waterLevel~0;#res := ~retValue_acc~9; {1415#true} is VALID [2020-07-10 13:54:59,972 INFO L280 TraceCheckUtils]: 1: Hoare triple {1415#true} assume true; {1415#true} is VALID [2020-07-10 13:54:59,973 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1415#true} {1416#false} #441#return; {1416#false} is VALID [2020-07-10 13:54:59,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:54:59,979 INFO L280 TraceCheckUtils]: 0: Hoare triple {1415#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~pumpRunning~0;#res := ~retValue_acc~6; {1415#true} is VALID [2020-07-10 13:54:59,980 INFO L280 TraceCheckUtils]: 1: Hoare triple {1415#true} assume true; {1415#true} is VALID [2020-07-10 13:54:59,980 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1415#true} {1416#false} #443#return; {1416#false} is VALID [2020-07-10 13:54:59,984 INFO L263 TraceCheckUtils]: 0: Hoare triple {1415#true} call ULTIMATE.init(); {1442#(and (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string24.base| |old(#t~string24.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string44.base| |old(#t~string44.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|))} is VALID [2020-07-10 13:54:59,990 INFO L280 TraceCheckUtils]: 1: Hoare triple {1442#(and (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string24.base| |old(#t~string24.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string44.base| |old(#t~string44.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(30);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(9);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(21);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(25);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(13);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string40.base, #t~string40.offset, 1);call write~init~int(110, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 2 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(102, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(102, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 3 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string44.base, #t~string44.offset, 1);call write~init~int(80, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(117, #t~string44.base, 2 + #t~string44.offset, 1);call write~init~int(109, #t~string44.base, 3 + #t~string44.offset, 1);call write~init~int(112, #t~string44.base, 4 + #t~string44.offset, 1);call write~init~int(58, #t~string44.base, 5 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 6 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string50.base, #t~string50.offset, 1);call write~init~int(32, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 2 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string52.base, #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 1 + #t~string52.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(13);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string64.base, #t~string64.offset, 1);call write~init~int(77, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(101, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(116, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(104, #t~string64.base, 4 + #t~string64.offset, 1);call write~init~int(58, #t~string64.base, 5 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 6 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string66.base, #t~string66.offset, 1);call write~init~int(82, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(73, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(84, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 4 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string68.base, #t~string68.offset, 1);call write~init~int(75, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 2 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string70.base, #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 1 + #t~string70.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {1420#(= 1 ~systemActive~0)} is VALID [2020-07-10 13:54:59,991 INFO L280 TraceCheckUtils]: 2: Hoare triple {1420#(= 1 ~systemActive~0)} assume true; {1420#(= 1 ~systemActive~0)} is VALID [2020-07-10 13:54:59,991 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {1420#(= 1 ~systemActive~0)} {1415#true} #447#return; {1420#(= 1 ~systemActive~0)} is VALID [2020-07-10 13:54:59,992 INFO L263 TraceCheckUtils]: 4: Hoare triple {1420#(= 1 ~systemActive~0)} call #t~ret71 := main(); {1420#(= 1 ~systemActive~0)} is VALID [2020-07-10 13:54:59,993 INFO L280 TraceCheckUtils]: 5: Hoare triple {1420#(= 1 ~systemActive~0)} havoc ~retValue_acc~7;havoc ~tmp~5; {1420#(= 1 ~systemActive~0)} is VALID [2020-07-10 13:54:59,993 INFO L263 TraceCheckUtils]: 6: Hoare triple {1420#(= 1 ~systemActive~0)} call select_helpers(); {1415#true} is VALID [2020-07-10 13:54:59,993 INFO L280 TraceCheckUtils]: 7: Hoare triple {1415#true} assume true; {1415#true} is VALID [2020-07-10 13:54:59,994 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {1415#true} {1420#(= 1 ~systemActive~0)} #369#return; {1420#(= 1 ~systemActive~0)} is VALID [2020-07-10 13:54:59,994 INFO L263 TraceCheckUtils]: 9: Hoare triple {1420#(= 1 ~systemActive~0)} call select_features(); {1415#true} is VALID [2020-07-10 13:54:59,994 INFO L280 TraceCheckUtils]: 10: Hoare triple {1415#true} assume true; {1415#true} is VALID [2020-07-10 13:54:59,995 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {1415#true} {1420#(= 1 ~systemActive~0)} #371#return; {1420#(= 1 ~systemActive~0)} is VALID [2020-07-10 13:54:59,995 INFO L263 TraceCheckUtils]: 12: Hoare triple {1420#(= 1 ~systemActive~0)} call #t~ret60 := valid_product(); {1415#true} is VALID [2020-07-10 13:54:59,996 INFO L280 TraceCheckUtils]: 13: Hoare triple {1415#true} havoc ~retValue_acc~1;~retValue_acc~1 := 1;#res := ~retValue_acc~1; {1443#(and (<= |valid_product_#res| 1) (< 0 |valid_product_#res|))} is VALID [2020-07-10 13:54:59,997 INFO L280 TraceCheckUtils]: 14: Hoare triple {1443#(and (<= |valid_product_#res| 1) (< 0 |valid_product_#res|))} assume true; {1443#(and (<= |valid_product_#res| 1) (< 0 |valid_product_#res|))} is VALID [2020-07-10 13:54:59,998 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {1443#(and (<= |valid_product_#res| 1) (< 0 |valid_product_#res|))} {1420#(= 1 ~systemActive~0)} #373#return; {1428#(= |main_#t~ret60| ~systemActive~0)} is VALID [2020-07-10 13:54:59,998 INFO L280 TraceCheckUtils]: 16: Hoare triple {1428#(= |main_#t~ret60| ~systemActive~0)} assume -2147483648 <= #t~ret60 && #t~ret60 <= 2147483647;~tmp~5 := #t~ret60;havoc #t~ret60; {1429#(= main_~tmp~5 ~systemActive~0)} is VALID [2020-07-10 13:54:59,999 INFO L280 TraceCheckUtils]: 17: Hoare triple {1429#(= main_~tmp~5 ~systemActive~0)} assume 0 != ~tmp~5; {1430#(not (= 0 ~systemActive~0))} is VALID [2020-07-10 13:54:59,999 INFO L263 TraceCheckUtils]: 18: Hoare triple {1430#(not (= 0 ~systemActive~0))} call setup(); {1415#true} is VALID [2020-07-10 13:54:59,999 INFO L280 TraceCheckUtils]: 19: Hoare triple {1415#true} assume true; {1415#true} is VALID [2020-07-10 13:55:00,000 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {1415#true} {1430#(not (= 0 ~systemActive~0))} #375#return; {1430#(not (= 0 ~systemActive~0))} is VALID [2020-07-10 13:55:00,000 INFO L263 TraceCheckUtils]: 21: Hoare triple {1430#(not (= 0 ~systemActive~0))} call runTest(); {1430#(not (= 0 ~systemActive~0))} is VALID [2020-07-10 13:55:00,001 INFO L263 TraceCheckUtils]: 22: Hoare triple {1430#(not (= 0 ~systemActive~0))} call test(); {1430#(not (= 0 ~systemActive~0))} is VALID [2020-07-10 13:55:00,002 INFO L280 TraceCheckUtils]: 23: Hoare triple {1430#(not (= 0 ~systemActive~0))} havoc ~splverifierCounter~0;havoc ~tmp~4;havoc ~tmp___0~1;havoc ~tmp___1~1;havoc ~tmp___2~0;~splverifierCounter~0 := 0; {1430#(not (= 0 ~systemActive~0))} is VALID [2020-07-10 13:55:00,005 INFO L280 TraceCheckUtils]: 24: Hoare triple {1430#(not (= 0 ~systemActive~0))} assume !false; {1430#(not (= 0 ~systemActive~0))} is VALID [2020-07-10 13:55:00,006 INFO L280 TraceCheckUtils]: 25: Hoare triple {1430#(not (= 0 ~systemActive~0))} assume ~splverifierCounter~0 < 4; {1430#(not (= 0 ~systemActive~0))} is VALID [2020-07-10 13:55:00,007 INFO L280 TraceCheckUtils]: 26: Hoare triple {1430#(not (= 0 ~systemActive~0))} assume -2147483648 <= #t~nondet56 && #t~nondet56 <= 2147483647;~tmp~4 := #t~nondet56;havoc #t~nondet56; {1430#(not (= 0 ~systemActive~0))} is VALID [2020-07-10 13:55:00,007 INFO L280 TraceCheckUtils]: 27: Hoare triple {1430#(not (= 0 ~systemActive~0))} assume !(0 != ~tmp~4); {1430#(not (= 0 ~systemActive~0))} is VALID [2020-07-10 13:55:00,008 INFO L280 TraceCheckUtils]: 28: Hoare triple {1430#(not (= 0 ~systemActive~0))} assume -2147483648 <= #t~nondet57 && #t~nondet57 <= 2147483647;~tmp___0~1 := #t~nondet57;havoc #t~nondet57; {1430#(not (= 0 ~systemActive~0))} is VALID [2020-07-10 13:55:00,008 INFO L280 TraceCheckUtils]: 29: Hoare triple {1430#(not (= 0 ~systemActive~0))} assume !(0 != ~tmp___0~1); {1430#(not (= 0 ~systemActive~0))} is VALID [2020-07-10 13:55:00,008 INFO L280 TraceCheckUtils]: 30: Hoare triple {1430#(not (= 0 ~systemActive~0))} assume -2147483648 <= #t~nondet58 && #t~nondet58 <= 2147483647;~tmp___2~0 := #t~nondet58;havoc #t~nondet58; {1430#(not (= 0 ~systemActive~0))} is VALID [2020-07-10 13:55:00,009 INFO L280 TraceCheckUtils]: 31: Hoare triple {1430#(not (= 0 ~systemActive~0))} assume !(0 != ~tmp___2~0);assume -2147483648 <= #t~nondet59 && #t~nondet59 <= 2147483647;~tmp___1~1 := #t~nondet59;havoc #t~nondet59; {1430#(not (= 0 ~systemActive~0))} is VALID [2020-07-10 13:55:00,009 INFO L280 TraceCheckUtils]: 32: Hoare triple {1430#(not (= 0 ~systemActive~0))} assume !(0 != ~tmp___1~1); {1430#(not (= 0 ~systemActive~0))} is VALID [2020-07-10 13:55:00,010 INFO L263 TraceCheckUtils]: 33: Hoare triple {1430#(not (= 0 ~systemActive~0))} call timeShift(); {1430#(not (= 0 ~systemActive~0))} is VALID [2020-07-10 13:55:00,010 INFO L280 TraceCheckUtils]: 34: Hoare triple {1430#(not (= 0 ~systemActive~0))} assume !(0 != ~pumpRunning~0); {1430#(not (= 0 ~systemActive~0))} is VALID [2020-07-10 13:55:00,011 INFO L280 TraceCheckUtils]: 35: Hoare triple {1430#(not (= 0 ~systemActive~0))} assume !(0 != ~systemActive~0); {1416#false} is VALID [2020-07-10 13:55:00,011 INFO L263 TraceCheckUtils]: 36: Hoare triple {1416#false} call __utac_acc__Specification3_spec__1(); {1416#false} is VALID [2020-07-10 13:55:00,011 INFO L280 TraceCheckUtils]: 37: Hoare triple {1416#false} havoc ~tmp~3;havoc ~tmp___0~0;havoc ~tmp___1~0; {1416#false} is VALID [2020-07-10 13:55:00,011 INFO L263 TraceCheckUtils]: 38: Hoare triple {1416#false} call #t~ret53 := isMethaneLevelCritical(); {1415#true} is VALID [2020-07-10 13:55:00,011 INFO L280 TraceCheckUtils]: 39: Hoare triple {1415#true} havoc ~retValue_acc~8;~retValue_acc~8 := ~methaneLevelCritical~0;#res := ~retValue_acc~8; {1415#true} is VALID [2020-07-10 13:55:00,011 INFO L280 TraceCheckUtils]: 40: Hoare triple {1415#true} assume true; {1415#true} is VALID [2020-07-10 13:55:00,012 INFO L275 TraceCheckUtils]: 41: Hoare quadruple {1415#true} {1416#false} #439#return; {1416#false} is VALID [2020-07-10 13:55:00,012 INFO L280 TraceCheckUtils]: 42: Hoare triple {1416#false} assume -2147483648 <= #t~ret53 && #t~ret53 <= 2147483647;~tmp~3 := #t~ret53;havoc #t~ret53; {1416#false} is VALID [2020-07-10 13:55:00,012 INFO L280 TraceCheckUtils]: 43: Hoare triple {1416#false} assume !(0 != ~tmp~3); {1416#false} is VALID [2020-07-10 13:55:00,012 INFO L263 TraceCheckUtils]: 44: Hoare triple {1416#false} call #t~ret54 := getWaterLevel(); {1415#true} is VALID [2020-07-10 13:55:00,013 INFO L280 TraceCheckUtils]: 45: Hoare triple {1415#true} havoc ~retValue_acc~9;~retValue_acc~9 := ~waterLevel~0;#res := ~retValue_acc~9; {1415#true} is VALID [2020-07-10 13:55:00,013 INFO L280 TraceCheckUtils]: 46: Hoare triple {1415#true} assume true; {1415#true} is VALID [2020-07-10 13:55:00,013 INFO L275 TraceCheckUtils]: 47: Hoare quadruple {1415#true} {1416#false} #441#return; {1416#false} is VALID [2020-07-10 13:55:00,013 INFO L280 TraceCheckUtils]: 48: Hoare triple {1416#false} assume -2147483648 <= #t~ret54 && #t~ret54 <= 2147483647;~tmp___0~0 := #t~ret54;havoc #t~ret54; {1416#false} is VALID [2020-07-10 13:55:00,013 INFO L280 TraceCheckUtils]: 49: Hoare triple {1416#false} assume 2 == ~tmp___0~0; {1416#false} is VALID [2020-07-10 13:55:00,014 INFO L263 TraceCheckUtils]: 50: Hoare triple {1416#false} call #t~ret55 := isPumpRunning(); {1415#true} is VALID [2020-07-10 13:55:00,014 INFO L280 TraceCheckUtils]: 51: Hoare triple {1415#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~pumpRunning~0;#res := ~retValue_acc~6; {1415#true} is VALID [2020-07-10 13:55:00,014 INFO L280 TraceCheckUtils]: 52: Hoare triple {1415#true} assume true; {1415#true} is VALID [2020-07-10 13:55:00,014 INFO L275 TraceCheckUtils]: 53: Hoare quadruple {1415#true} {1416#false} #443#return; {1416#false} is VALID [2020-07-10 13:55:00,014 INFO L280 TraceCheckUtils]: 54: Hoare triple {1416#false} assume -2147483648 <= #t~ret55 && #t~ret55 <= 2147483647;~tmp___1~0 := #t~ret55;havoc #t~ret55; {1416#false} is VALID [2020-07-10 13:55:00,015 INFO L280 TraceCheckUtils]: 55: Hoare triple {1416#false} assume !(0 != ~tmp___1~0); {1416#false} is VALID [2020-07-10 13:55:00,015 INFO L263 TraceCheckUtils]: 56: Hoare triple {1416#false} call __automaton_fail(); {1416#false} is VALID [2020-07-10 13:55:00,015 INFO L280 TraceCheckUtils]: 57: Hoare triple {1416#false} assume !false; {1416#false} is VALID [2020-07-10 13:55:00,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-10 13:55:00,024 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575462390] [2020-07-10 13:55:00,024 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-10 13:55:00,024 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-10 13:55:00,025 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073176915] [2020-07-10 13:55:00,025 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58 [2020-07-10 13:55:00,026 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 13:55:00,026 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2020-07-10 13:55:00,117 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 58 edges. 58 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 13:55:00,117 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-10 13:55:00,118 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-10 13:55:00,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-10 13:55:00,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-10 13:55:00,119 INFO L87 Difference]: Start difference. First operand 82 states and 93 transitions. Second operand 8 states. [2020-07-10 13:55:00,907 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-10 13:55:01,856 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-10 13:55:02,297 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-10 13:55:02,623 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-10 13:55:07,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 13:55:07,753 INFO L93 Difference]: Finished difference Result 162 states and 199 transitions. [2020-07-10 13:55:07,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-10 13:55:07,754 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58 [2020-07-10 13:55:07,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 13:55:07,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-10 13:55:07,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 199 transitions. [2020-07-10 13:55:07,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-10 13:55:07,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 199 transitions. [2020-07-10 13:55:07,764 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 199 transitions. [2020-07-10 13:55:08,477 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 199 edges. 199 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 13:55:08,484 INFO L225 Difference]: With dead ends: 162 [2020-07-10 13:55:08,484 INFO L226 Difference]: Without dead ends: 104 [2020-07-10 13:55:08,485 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-07-10 13:55:08,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2020-07-10 13:55:09,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 82. [2020-07-10 13:55:09,456 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 13:55:09,456 INFO L82 GeneralOperation]: Start isEquivalent. First operand 104 states. Second operand 82 states. [2020-07-10 13:55:09,456 INFO L74 IsIncluded]: Start isIncluded. First operand 104 states. Second operand 82 states. [2020-07-10 13:55:09,456 INFO L87 Difference]: Start difference. First operand 104 states. Second operand 82 states. [2020-07-10 13:55:09,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 13:55:09,462 INFO L93 Difference]: Finished difference Result 104 states and 126 transitions. [2020-07-10 13:55:09,462 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 126 transitions. [2020-07-10 13:55:09,463 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 13:55:09,463 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 13:55:09,463 INFO L74 IsIncluded]: Start isIncluded. First operand 82 states. Second operand 104 states. [2020-07-10 13:55:09,463 INFO L87 Difference]: Start difference. First operand 82 states. Second operand 104 states. [2020-07-10 13:55:09,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 13:55:09,469 INFO L93 Difference]: Finished difference Result 104 states and 126 transitions. [2020-07-10 13:55:09,469 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 126 transitions. [2020-07-10 13:55:09,470 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 13:55:09,470 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 13:55:09,470 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 13:55:09,470 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 13:55:09,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2020-07-10 13:55:09,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 92 transitions. [2020-07-10 13:55:09,474 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 92 transitions. Word has length 58 [2020-07-10 13:55:09,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 13:55:09,474 INFO L479 AbstractCegarLoop]: Abstraction has 82 states and 92 transitions. [2020-07-10 13:55:09,474 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-10 13:55:09,475 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 92 transitions. [2020-07-10 13:55:09,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-07-10 13:55:09,476 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 13:55:09,476 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] [2020-07-10 13:55:09,476 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-10 13:55:09,477 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 13:55:09,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 13:55:09,477 INFO L82 PathProgramCache]: Analyzing trace with hash 387624930, now seen corresponding path program 1 times [2020-07-10 13:55:09,477 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-10 13:55:09,477 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077916413] [2020-07-10 13:55:09,478 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 13:55:09,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:55:09,838 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-10 13:55:09,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:55:09,915 INFO L280 TraceCheckUtils]: 0: Hoare triple {2041#(and (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string24.base| |old(#t~string24.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string44.base| |old(#t~string44.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(30);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(9);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(21);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(25);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(13);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string40.base, #t~string40.offset, 1);call write~init~int(110, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 2 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(102, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(102, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 3 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string44.base, #t~string44.offset, 1);call write~init~int(80, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(117, #t~string44.base, 2 + #t~string44.offset, 1);call write~init~int(109, #t~string44.base, 3 + #t~string44.offset, 1);call write~init~int(112, #t~string44.base, 4 + #t~string44.offset, 1);call write~init~int(58, #t~string44.base, 5 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 6 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string50.base, #t~string50.offset, 1);call write~init~int(32, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 2 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string52.base, #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 1 + #t~string52.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(13);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string64.base, #t~string64.offset, 1);call write~init~int(77, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(101, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(116, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(104, #t~string64.base, 4 + #t~string64.offset, 1);call write~init~int(58, #t~string64.base, 5 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 6 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string66.base, #t~string66.offset, 1);call write~init~int(82, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(73, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(84, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 4 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string68.base, #t~string68.offset, 1);call write~init~int(75, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 2 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string70.base, #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 1 + #t~string70.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {2018#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:55:09,916 INFO L280 TraceCheckUtils]: 1: Hoare triple {2018#(= 1 ~waterLevel~0)} assume true; {2018#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:55:09,916 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2018#(= 1 ~waterLevel~0)} {2013#true} #447#return; {2018#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:55:09,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:55:09,926 INFO L280 TraceCheckUtils]: 0: Hoare triple {2013#true} assume true; {2013#true} is VALID [2020-07-10 13:55:09,928 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {2013#true} {2018#(= 1 ~waterLevel~0)} #369#return; {2018#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:55:09,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:55:09,933 INFO L280 TraceCheckUtils]: 0: Hoare triple {2013#true} assume true; {2013#true} is VALID [2020-07-10 13:55:09,938 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {2013#true} {2018#(= 1 ~waterLevel~0)} #371#return; {2018#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:55:09,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:55:09,942 INFO L280 TraceCheckUtils]: 0: Hoare triple {2013#true} havoc ~retValue_acc~1;~retValue_acc~1 := 1;#res := ~retValue_acc~1; {2013#true} is VALID [2020-07-10 13:55:09,943 INFO L280 TraceCheckUtils]: 1: Hoare triple {2013#true} assume true; {2013#true} is VALID [2020-07-10 13:55:09,944 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2013#true} {2018#(= 1 ~waterLevel~0)} #373#return; {2018#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:55:09,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:55:09,947 INFO L280 TraceCheckUtils]: 0: Hoare triple {2013#true} assume true; {2013#true} is VALID [2020-07-10 13:55:09,949 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {2013#true} {2018#(= 1 ~waterLevel~0)} #375#return; {2018#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:55:09,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:55:09,952 INFO L280 TraceCheckUtils]: 0: Hoare triple {2013#true} assume true; {2013#true} is VALID [2020-07-10 13:55:09,953 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {2013#true} {2018#(= 1 ~waterLevel~0)} #421#return; {2018#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:55:09,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:55:09,958 INFO L280 TraceCheckUtils]: 0: Hoare triple {2013#true} havoc ~retValue_acc~8;~retValue_acc~8 := ~methaneLevelCritical~0;#res := ~retValue_acc~8; {2013#true} is VALID [2020-07-10 13:55:09,958 INFO L280 TraceCheckUtils]: 1: Hoare triple {2013#true} assume true; {2013#true} is VALID [2020-07-10 13:55:09,959 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2013#true} {2018#(= 1 ~waterLevel~0)} #439#return; {2018#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:55:09,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:55:09,978 INFO L280 TraceCheckUtils]: 0: Hoare triple {2013#true} havoc ~retValue_acc~9;~retValue_acc~9 := ~waterLevel~0;#res := ~retValue_acc~9; {2042#(= |getWaterLevel_#res| ~waterLevel~0)} is VALID [2020-07-10 13:55:09,978 INFO L280 TraceCheckUtils]: 1: Hoare triple {2042#(= |getWaterLevel_#res| ~waterLevel~0)} assume true; {2042#(= |getWaterLevel_#res| ~waterLevel~0)} is VALID [2020-07-10 13:55:09,979 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2042#(= |getWaterLevel_#res| ~waterLevel~0)} {2018#(= 1 ~waterLevel~0)} #441#return; {2036#(= 1 |__utac_acc__Specification3_spec__1_#t~ret54|)} is VALID [2020-07-10 13:55:09,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:55:09,983 INFO L280 TraceCheckUtils]: 0: Hoare triple {2013#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~pumpRunning~0;#res := ~retValue_acc~6; {2013#true} is VALID [2020-07-10 13:55:09,983 INFO L280 TraceCheckUtils]: 1: Hoare triple {2013#true} assume true; {2013#true} is VALID [2020-07-10 13:55:09,984 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2013#true} {2014#false} #443#return; {2014#false} is VALID [2020-07-10 13:55:09,988 INFO L263 TraceCheckUtils]: 0: Hoare triple {2013#true} call ULTIMATE.init(); {2041#(and (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string24.base| |old(#t~string24.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string44.base| |old(#t~string44.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|))} is VALID [2020-07-10 13:55:09,993 INFO L280 TraceCheckUtils]: 1: Hoare triple {2041#(and (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string24.base| |old(#t~string24.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string44.base| |old(#t~string44.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(30);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(9);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(21);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(25);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(13);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string40.base, #t~string40.offset, 1);call write~init~int(110, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 2 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(102, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(102, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 3 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string44.base, #t~string44.offset, 1);call write~init~int(80, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(117, #t~string44.base, 2 + #t~string44.offset, 1);call write~init~int(109, #t~string44.base, 3 + #t~string44.offset, 1);call write~init~int(112, #t~string44.base, 4 + #t~string44.offset, 1);call write~init~int(58, #t~string44.base, 5 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 6 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string50.base, #t~string50.offset, 1);call write~init~int(32, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 2 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string52.base, #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 1 + #t~string52.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(13);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string64.base, #t~string64.offset, 1);call write~init~int(77, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(101, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(116, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(104, #t~string64.base, 4 + #t~string64.offset, 1);call write~init~int(58, #t~string64.base, 5 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 6 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string66.base, #t~string66.offset, 1);call write~init~int(82, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(73, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(84, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 4 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string68.base, #t~string68.offset, 1);call write~init~int(75, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 2 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string70.base, #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 1 + #t~string70.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {2018#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:55:09,994 INFO L280 TraceCheckUtils]: 2: Hoare triple {2018#(= 1 ~waterLevel~0)} assume true; {2018#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:55:09,995 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {2018#(= 1 ~waterLevel~0)} {2013#true} #447#return; {2018#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:55:09,996 INFO L263 TraceCheckUtils]: 4: Hoare triple {2018#(= 1 ~waterLevel~0)} call #t~ret71 := main(); {2018#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:55:09,996 INFO L280 TraceCheckUtils]: 5: Hoare triple {2018#(= 1 ~waterLevel~0)} havoc ~retValue_acc~7;havoc ~tmp~5; {2018#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:55:09,997 INFO L263 TraceCheckUtils]: 6: Hoare triple {2018#(= 1 ~waterLevel~0)} call select_helpers(); {2013#true} is VALID [2020-07-10 13:55:09,997 INFO L280 TraceCheckUtils]: 7: Hoare triple {2013#true} assume true; {2013#true} is VALID [2020-07-10 13:55:09,998 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {2013#true} {2018#(= 1 ~waterLevel~0)} #369#return; {2018#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:55:09,998 INFO L263 TraceCheckUtils]: 9: Hoare triple {2018#(= 1 ~waterLevel~0)} call select_features(); {2013#true} is VALID [2020-07-10 13:55:09,998 INFO L280 TraceCheckUtils]: 10: Hoare triple {2013#true} assume true; {2013#true} is VALID [2020-07-10 13:55:09,999 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {2013#true} {2018#(= 1 ~waterLevel~0)} #371#return; {2018#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:55:09,999 INFO L263 TraceCheckUtils]: 12: Hoare triple {2018#(= 1 ~waterLevel~0)} call #t~ret60 := valid_product(); {2013#true} is VALID [2020-07-10 13:55:10,000 INFO L280 TraceCheckUtils]: 13: Hoare triple {2013#true} havoc ~retValue_acc~1;~retValue_acc~1 := 1;#res := ~retValue_acc~1; {2013#true} is VALID [2020-07-10 13:55:10,000 INFO L280 TraceCheckUtils]: 14: Hoare triple {2013#true} assume true; {2013#true} is VALID [2020-07-10 13:55:10,001 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {2013#true} {2018#(= 1 ~waterLevel~0)} #373#return; {2018#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:55:10,002 INFO L280 TraceCheckUtils]: 16: Hoare triple {2018#(= 1 ~waterLevel~0)} assume -2147483648 <= #t~ret60 && #t~ret60 <= 2147483647;~tmp~5 := #t~ret60;havoc #t~ret60; {2018#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:55:10,002 INFO L280 TraceCheckUtils]: 17: Hoare triple {2018#(= 1 ~waterLevel~0)} assume 0 != ~tmp~5; {2018#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:55:10,002 INFO L263 TraceCheckUtils]: 18: Hoare triple {2018#(= 1 ~waterLevel~0)} call setup(); {2013#true} is VALID [2020-07-10 13:55:10,003 INFO L280 TraceCheckUtils]: 19: Hoare triple {2013#true} assume true; {2013#true} is VALID [2020-07-10 13:55:10,003 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {2013#true} {2018#(= 1 ~waterLevel~0)} #375#return; {2018#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:55:10,004 INFO L263 TraceCheckUtils]: 21: Hoare triple {2018#(= 1 ~waterLevel~0)} call runTest(); {2018#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:55:10,005 INFO L263 TraceCheckUtils]: 22: Hoare triple {2018#(= 1 ~waterLevel~0)} call test(); {2018#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:55:10,005 INFO L280 TraceCheckUtils]: 23: Hoare triple {2018#(= 1 ~waterLevel~0)} havoc ~splverifierCounter~0;havoc ~tmp~4;havoc ~tmp___0~1;havoc ~tmp___1~1;havoc ~tmp___2~0;~splverifierCounter~0 := 0; {2018#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:55:10,006 INFO L280 TraceCheckUtils]: 24: Hoare triple {2018#(= 1 ~waterLevel~0)} assume !false; {2018#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:55:10,007 INFO L280 TraceCheckUtils]: 25: Hoare triple {2018#(= 1 ~waterLevel~0)} assume ~splverifierCounter~0 < 4; {2018#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:55:10,007 INFO L280 TraceCheckUtils]: 26: Hoare triple {2018#(= 1 ~waterLevel~0)} assume -2147483648 <= #t~nondet56 && #t~nondet56 <= 2147483647;~tmp~4 := #t~nondet56;havoc #t~nondet56; {2018#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:55:10,008 INFO L280 TraceCheckUtils]: 27: Hoare triple {2018#(= 1 ~waterLevel~0)} assume !(0 != ~tmp~4); {2018#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:55:10,008 INFO L280 TraceCheckUtils]: 28: Hoare triple {2018#(= 1 ~waterLevel~0)} assume -2147483648 <= #t~nondet57 && #t~nondet57 <= 2147483647;~tmp___0~1 := #t~nondet57;havoc #t~nondet57; {2018#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:55:10,009 INFO L280 TraceCheckUtils]: 29: Hoare triple {2018#(= 1 ~waterLevel~0)} assume !(0 != ~tmp___0~1); {2018#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:55:10,010 INFO L280 TraceCheckUtils]: 30: Hoare triple {2018#(= 1 ~waterLevel~0)} assume -2147483648 <= #t~nondet58 && #t~nondet58 <= 2147483647;~tmp___2~0 := #t~nondet58;havoc #t~nondet58; {2018#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:55:10,010 INFO L280 TraceCheckUtils]: 31: Hoare triple {2018#(= 1 ~waterLevel~0)} assume !(0 != ~tmp___2~0);assume -2147483648 <= #t~nondet59 && #t~nondet59 <= 2147483647;~tmp___1~1 := #t~nondet59;havoc #t~nondet59; {2018#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:55:10,011 INFO L280 TraceCheckUtils]: 32: Hoare triple {2018#(= 1 ~waterLevel~0)} assume !(0 != ~tmp___1~1); {2018#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:55:10,012 INFO L263 TraceCheckUtils]: 33: Hoare triple {2018#(= 1 ~waterLevel~0)} call timeShift(); {2018#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:55:10,012 INFO L280 TraceCheckUtils]: 34: Hoare triple {2018#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {2018#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:55:10,013 INFO L280 TraceCheckUtils]: 35: Hoare triple {2018#(= 1 ~waterLevel~0)} assume 0 != ~systemActive~0; {2018#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:55:10,013 INFO L263 TraceCheckUtils]: 36: Hoare triple {2018#(= 1 ~waterLevel~0)} call processEnvironment(); {2013#true} is VALID [2020-07-10 13:55:10,013 INFO L280 TraceCheckUtils]: 37: Hoare triple {2013#true} assume true; {2013#true} is VALID [2020-07-10 13:55:10,014 INFO L275 TraceCheckUtils]: 38: Hoare quadruple {2013#true} {2018#(= 1 ~waterLevel~0)} #421#return; {2018#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:55:10,015 INFO L263 TraceCheckUtils]: 39: Hoare triple {2018#(= 1 ~waterLevel~0)} call __utac_acc__Specification3_spec__1(); {2018#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:55:10,015 INFO L280 TraceCheckUtils]: 40: Hoare triple {2018#(= 1 ~waterLevel~0)} havoc ~tmp~3;havoc ~tmp___0~0;havoc ~tmp___1~0; {2018#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:55:10,016 INFO L263 TraceCheckUtils]: 41: Hoare triple {2018#(= 1 ~waterLevel~0)} call #t~ret53 := isMethaneLevelCritical(); {2013#true} is VALID [2020-07-10 13:55:10,016 INFO L280 TraceCheckUtils]: 42: Hoare triple {2013#true} havoc ~retValue_acc~8;~retValue_acc~8 := ~methaneLevelCritical~0;#res := ~retValue_acc~8; {2013#true} is VALID [2020-07-10 13:55:10,016 INFO L280 TraceCheckUtils]: 43: Hoare triple {2013#true} assume true; {2013#true} is VALID [2020-07-10 13:55:10,017 INFO L275 TraceCheckUtils]: 44: Hoare quadruple {2013#true} {2018#(= 1 ~waterLevel~0)} #439#return; {2018#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:55:10,017 INFO L280 TraceCheckUtils]: 45: Hoare triple {2018#(= 1 ~waterLevel~0)} assume -2147483648 <= #t~ret53 && #t~ret53 <= 2147483647;~tmp~3 := #t~ret53;havoc #t~ret53; {2018#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:55:10,018 INFO L280 TraceCheckUtils]: 46: Hoare triple {2018#(= 1 ~waterLevel~0)} assume !(0 != ~tmp~3); {2018#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:55:10,018 INFO L263 TraceCheckUtils]: 47: Hoare triple {2018#(= 1 ~waterLevel~0)} call #t~ret54 := getWaterLevel(); {2013#true} is VALID [2020-07-10 13:55:10,019 INFO L280 TraceCheckUtils]: 48: Hoare triple {2013#true} havoc ~retValue_acc~9;~retValue_acc~9 := ~waterLevel~0;#res := ~retValue_acc~9; {2042#(= |getWaterLevel_#res| ~waterLevel~0)} is VALID [2020-07-10 13:55:10,019 INFO L280 TraceCheckUtils]: 49: Hoare triple {2042#(= |getWaterLevel_#res| ~waterLevel~0)} assume true; {2042#(= |getWaterLevel_#res| ~waterLevel~0)} is VALID [2020-07-10 13:55:10,020 INFO L275 TraceCheckUtils]: 50: Hoare quadruple {2042#(= |getWaterLevel_#res| ~waterLevel~0)} {2018#(= 1 ~waterLevel~0)} #441#return; {2036#(= 1 |__utac_acc__Specification3_spec__1_#t~ret54|)} is VALID [2020-07-10 13:55:10,021 INFO L280 TraceCheckUtils]: 51: Hoare triple {2036#(= 1 |__utac_acc__Specification3_spec__1_#t~ret54|)} assume -2147483648 <= #t~ret54 && #t~ret54 <= 2147483647;~tmp___0~0 := #t~ret54;havoc #t~ret54; {2037#(= 1 __utac_acc__Specification3_spec__1_~tmp___0~0)} is VALID [2020-07-10 13:55:10,022 INFO L280 TraceCheckUtils]: 52: Hoare triple {2037#(= 1 __utac_acc__Specification3_spec__1_~tmp___0~0)} assume 2 == ~tmp___0~0; {2014#false} is VALID [2020-07-10 13:55:10,022 INFO L263 TraceCheckUtils]: 53: Hoare triple {2014#false} call #t~ret55 := isPumpRunning(); {2013#true} is VALID [2020-07-10 13:55:10,022 INFO L280 TraceCheckUtils]: 54: Hoare triple {2013#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~pumpRunning~0;#res := ~retValue_acc~6; {2013#true} is VALID [2020-07-10 13:55:10,023 INFO L280 TraceCheckUtils]: 55: Hoare triple {2013#true} assume true; {2013#true} is VALID [2020-07-10 13:55:10,023 INFO L275 TraceCheckUtils]: 56: Hoare quadruple {2013#true} {2014#false} #443#return; {2014#false} is VALID [2020-07-10 13:55:10,023 INFO L280 TraceCheckUtils]: 57: Hoare triple {2014#false} assume -2147483648 <= #t~ret55 && #t~ret55 <= 2147483647;~tmp___1~0 := #t~ret55;havoc #t~ret55; {2014#false} is VALID [2020-07-10 13:55:10,023 INFO L280 TraceCheckUtils]: 58: Hoare triple {2014#false} assume !(0 != ~tmp___1~0); {2014#false} is VALID [2020-07-10 13:55:10,024 INFO L263 TraceCheckUtils]: 59: Hoare triple {2014#false} call __automaton_fail(); {2014#false} is VALID [2020-07-10 13:55:10,024 INFO L280 TraceCheckUtils]: 60: Hoare triple {2014#false} assume !false; {2014#false} is VALID [2020-07-10 13:55:10,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-10 13:55:10,032 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077916413] [2020-07-10 13:55:10,033 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-10 13:55:10,033 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-10 13:55:10,033 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423125177] [2020-07-10 13:55:10,034 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2020-07-10 13:55:10,034 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 13:55:10,034 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2020-07-10 13:55:10,108 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 61 edges. 61 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 13:55:10,108 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-10 13:55:10,108 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-10 13:55:10,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-10 13:55:10,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-07-10 13:55:10,109 INFO L87 Difference]: Start difference. First operand 82 states and 92 transitions. Second operand 7 states. [2020-07-10 13:55:10,929 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-10 13:55:15,626 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-10 13:55:16,204 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-10 13:55:16,560 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-10 13:55:17,011 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-10 13:55:18,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 13:55:18,299 INFO L93 Difference]: Finished difference Result 209 states and 259 transitions. [2020-07-10 13:55:18,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-10 13:55:18,299 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2020-07-10 13:55:18,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 13:55:18,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-10 13:55:18,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 259 transitions. [2020-07-10 13:55:18,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-10 13:55:18,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 259 transitions. [2020-07-10 13:55:18,315 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 259 transitions. [2020-07-10 13:55:19,217 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 259 edges. 259 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 13:55:19,223 INFO L225 Difference]: With dead ends: 209 [2020-07-10 13:55:19,223 INFO L226 Difference]: Without dead ends: 151 [2020-07-10 13:55:19,224 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 [2020-07-10 13:55:19,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2020-07-10 13:55:20,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 136. [2020-07-10 13:55:20,655 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 13:55:20,655 INFO L82 GeneralOperation]: Start isEquivalent. First operand 151 states. Second operand 136 states. [2020-07-10 13:55:20,656 INFO L74 IsIncluded]: Start isIncluded. First operand 151 states. Second operand 136 states. [2020-07-10 13:55:20,656 INFO L87 Difference]: Start difference. First operand 151 states. Second operand 136 states. [2020-07-10 13:55:20,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 13:55:20,663 INFO L93 Difference]: Finished difference Result 151 states and 182 transitions. [2020-07-10 13:55:20,663 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 182 transitions. [2020-07-10 13:55:20,664 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 13:55:20,664 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 13:55:20,665 INFO L74 IsIncluded]: Start isIncluded. First operand 136 states. Second operand 151 states. [2020-07-10 13:55:20,665 INFO L87 Difference]: Start difference. First operand 136 states. Second operand 151 states. [2020-07-10 13:55:20,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 13:55:20,672 INFO L93 Difference]: Finished difference Result 151 states and 182 transitions. [2020-07-10 13:55:20,672 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 182 transitions. [2020-07-10 13:55:20,673 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 13:55:20,673 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 13:55:20,673 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 13:55:20,673 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 13:55:20,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2020-07-10 13:55:20,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 158 transitions. [2020-07-10 13:55:20,679 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 158 transitions. Word has length 61 [2020-07-10 13:55:20,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 13:55:20,679 INFO L479 AbstractCegarLoop]: Abstraction has 136 states and 158 transitions. [2020-07-10 13:55:20,679 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-10 13:55:20,679 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 158 transitions. [2020-07-10 13:55:20,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-10 13:55:20,681 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 13:55:20,681 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-10 13:55:20,681 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-10 13:55:20,681 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 13:55:20,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 13:55:20,682 INFO L82 PathProgramCache]: Analyzing trace with hash 914156220, now seen corresponding path program 1 times [2020-07-10 13:55:20,682 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-10 13:55:20,682 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450057975] [2020-07-10 13:55:20,682 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 13:55:20,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:55:21,021 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-10 13:55:21,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:55:21,081 INFO L280 TraceCheckUtils]: 0: Hoare triple {2878#(and (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string24.base| |old(#t~string24.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string44.base| |old(#t~string44.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(30);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(9);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(21);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(25);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(13);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string40.base, #t~string40.offset, 1);call write~init~int(110, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 2 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(102, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(102, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 3 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string44.base, #t~string44.offset, 1);call write~init~int(80, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(117, #t~string44.base, 2 + #t~string44.offset, 1);call write~init~int(109, #t~string44.base, 3 + #t~string44.offset, 1);call write~init~int(112, #t~string44.base, 4 + #t~string44.offset, 1);call write~init~int(58, #t~string44.base, 5 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 6 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string50.base, #t~string50.offset, 1);call write~init~int(32, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 2 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string52.base, #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 1 + #t~string52.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(13);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string64.base, #t~string64.offset, 1);call write~init~int(77, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(101, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(116, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(104, #t~string64.base, 4 + #t~string64.offset, 1);call write~init~int(58, #t~string64.base, 5 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 6 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string66.base, #t~string66.offset, 1);call write~init~int(82, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(73, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(84, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 4 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string68.base, #t~string68.offset, 1);call write~init~int(75, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 2 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string70.base, #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 1 + #t~string70.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {2854#(= 0 ~pumpRunning~0)} is VALID [2020-07-10 13:55:21,082 INFO L280 TraceCheckUtils]: 1: Hoare triple {2854#(= 0 ~pumpRunning~0)} assume true; {2854#(= 0 ~pumpRunning~0)} is VALID [2020-07-10 13:55:21,083 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2854#(= 0 ~pumpRunning~0)} {2849#true} #447#return; {2854#(= 0 ~pumpRunning~0)} is VALID [2020-07-10 13:55:21,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:55:21,086 INFO L280 TraceCheckUtils]: 0: Hoare triple {2849#true} assume true; {2849#true} is VALID [2020-07-10 13:55:21,087 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {2849#true} {2854#(= 0 ~pumpRunning~0)} #369#return; {2854#(= 0 ~pumpRunning~0)} is VALID [2020-07-10 13:55:21,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:55:21,090 INFO L280 TraceCheckUtils]: 0: Hoare triple {2849#true} assume true; {2849#true} is VALID [2020-07-10 13:55:21,091 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {2849#true} {2854#(= 0 ~pumpRunning~0)} #371#return; {2854#(= 0 ~pumpRunning~0)} is VALID [2020-07-10 13:55:21,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:55:21,096 INFO L280 TraceCheckUtils]: 0: Hoare triple {2849#true} havoc ~retValue_acc~1;~retValue_acc~1 := 1;#res := ~retValue_acc~1; {2849#true} is VALID [2020-07-10 13:55:21,096 INFO L280 TraceCheckUtils]: 1: Hoare triple {2849#true} assume true; {2849#true} is VALID [2020-07-10 13:55:21,097 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2849#true} {2854#(= 0 ~pumpRunning~0)} #373#return; {2854#(= 0 ~pumpRunning~0)} is VALID [2020-07-10 13:55:21,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:55:21,100 INFO L280 TraceCheckUtils]: 0: Hoare triple {2849#true} assume true; {2849#true} is VALID [2020-07-10 13:55:21,101 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {2849#true} {2854#(= 0 ~pumpRunning~0)} #375#return; {2854#(= 0 ~pumpRunning~0)} is VALID [2020-07-10 13:55:21,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:55:21,113 INFO L280 TraceCheckUtils]: 0: Hoare triple {2879#(= ~waterLevel~0 |old(~waterLevel~0)|)} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {2849#true} is VALID [2020-07-10 13:55:21,113 INFO L280 TraceCheckUtils]: 1: Hoare triple {2849#true} assume true; {2849#true} is VALID [2020-07-10 13:55:21,113 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2849#true} {2850#false} #419#return; {2850#false} is VALID [2020-07-10 13:55:21,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:55:21,116 INFO L280 TraceCheckUtils]: 0: Hoare triple {2849#true} assume true; {2849#true} is VALID [2020-07-10 13:55:21,116 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {2849#true} {2850#false} #421#return; {2850#false} is VALID [2020-07-10 13:55:21,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:55:21,119 INFO L280 TraceCheckUtils]: 0: Hoare triple {2849#true} havoc ~retValue_acc~8;~retValue_acc~8 := ~methaneLevelCritical~0;#res := ~retValue_acc~8; {2849#true} is VALID [2020-07-10 13:55:21,120 INFO L280 TraceCheckUtils]: 1: Hoare triple {2849#true} assume true; {2849#true} is VALID [2020-07-10 13:55:21,120 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2849#true} {2850#false} #439#return; {2850#false} is VALID [2020-07-10 13:55:21,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:55:21,123 INFO L280 TraceCheckUtils]: 0: Hoare triple {2849#true} havoc ~retValue_acc~9;~retValue_acc~9 := ~waterLevel~0;#res := ~retValue_acc~9; {2849#true} is VALID [2020-07-10 13:55:21,123 INFO L280 TraceCheckUtils]: 1: Hoare triple {2849#true} assume true; {2849#true} is VALID [2020-07-10 13:55:21,123 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2849#true} {2850#false} #441#return; {2850#false} is VALID [2020-07-10 13:55:21,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:55:21,126 INFO L280 TraceCheckUtils]: 0: Hoare triple {2849#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~pumpRunning~0;#res := ~retValue_acc~6; {2849#true} is VALID [2020-07-10 13:55:21,126 INFO L280 TraceCheckUtils]: 1: Hoare triple {2849#true} assume true; {2849#true} is VALID [2020-07-10 13:55:21,127 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2849#true} {2850#false} #443#return; {2850#false} is VALID [2020-07-10 13:55:21,131 INFO L263 TraceCheckUtils]: 0: Hoare triple {2849#true} call ULTIMATE.init(); {2878#(and (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string24.base| |old(#t~string24.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string44.base| |old(#t~string44.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|))} is VALID [2020-07-10 13:55:21,137 INFO L280 TraceCheckUtils]: 1: Hoare triple {2878#(and (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string24.base| |old(#t~string24.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string44.base| |old(#t~string44.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(30);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(9);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(21);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(25);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(13);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string40.base, #t~string40.offset, 1);call write~init~int(110, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 2 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(102, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(102, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 3 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string44.base, #t~string44.offset, 1);call write~init~int(80, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(117, #t~string44.base, 2 + #t~string44.offset, 1);call write~init~int(109, #t~string44.base, 3 + #t~string44.offset, 1);call write~init~int(112, #t~string44.base, 4 + #t~string44.offset, 1);call write~init~int(58, #t~string44.base, 5 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 6 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string50.base, #t~string50.offset, 1);call write~init~int(32, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 2 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string52.base, #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 1 + #t~string52.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(13);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string64.base, #t~string64.offset, 1);call write~init~int(77, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(101, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(116, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(104, #t~string64.base, 4 + #t~string64.offset, 1);call write~init~int(58, #t~string64.base, 5 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 6 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string66.base, #t~string66.offset, 1);call write~init~int(82, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(73, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(84, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 4 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string68.base, #t~string68.offset, 1);call write~init~int(75, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 2 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string70.base, #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 1 + #t~string70.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {2854#(= 0 ~pumpRunning~0)} is VALID [2020-07-10 13:55:21,138 INFO L280 TraceCheckUtils]: 2: Hoare triple {2854#(= 0 ~pumpRunning~0)} assume true; {2854#(= 0 ~pumpRunning~0)} is VALID [2020-07-10 13:55:21,139 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {2854#(= 0 ~pumpRunning~0)} {2849#true} #447#return; {2854#(= 0 ~pumpRunning~0)} is VALID [2020-07-10 13:55:21,139 INFO L263 TraceCheckUtils]: 4: Hoare triple {2854#(= 0 ~pumpRunning~0)} call #t~ret71 := main(); {2854#(= 0 ~pumpRunning~0)} is VALID [2020-07-10 13:55:21,140 INFO L280 TraceCheckUtils]: 5: Hoare triple {2854#(= 0 ~pumpRunning~0)} havoc ~retValue_acc~7;havoc ~tmp~5; {2854#(= 0 ~pumpRunning~0)} is VALID [2020-07-10 13:55:21,140 INFO L263 TraceCheckUtils]: 6: Hoare triple {2854#(= 0 ~pumpRunning~0)} call select_helpers(); {2849#true} is VALID [2020-07-10 13:55:21,141 INFO L280 TraceCheckUtils]: 7: Hoare triple {2849#true} assume true; {2849#true} is VALID [2020-07-10 13:55:21,141 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {2849#true} {2854#(= 0 ~pumpRunning~0)} #369#return; {2854#(= 0 ~pumpRunning~0)} is VALID [2020-07-10 13:55:21,142 INFO L263 TraceCheckUtils]: 9: Hoare triple {2854#(= 0 ~pumpRunning~0)} call select_features(); {2849#true} is VALID [2020-07-10 13:55:21,142 INFO L280 TraceCheckUtils]: 10: Hoare triple {2849#true} assume true; {2849#true} is VALID [2020-07-10 13:55:21,143 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {2849#true} {2854#(= 0 ~pumpRunning~0)} #371#return; {2854#(= 0 ~pumpRunning~0)} is VALID [2020-07-10 13:55:21,143 INFO L263 TraceCheckUtils]: 12: Hoare triple {2854#(= 0 ~pumpRunning~0)} call #t~ret60 := valid_product(); {2849#true} is VALID [2020-07-10 13:55:21,143 INFO L280 TraceCheckUtils]: 13: Hoare triple {2849#true} havoc ~retValue_acc~1;~retValue_acc~1 := 1;#res := ~retValue_acc~1; {2849#true} is VALID [2020-07-10 13:55:21,143 INFO L280 TraceCheckUtils]: 14: Hoare triple {2849#true} assume true; {2849#true} is VALID [2020-07-10 13:55:21,144 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {2849#true} {2854#(= 0 ~pumpRunning~0)} #373#return; {2854#(= 0 ~pumpRunning~0)} is VALID [2020-07-10 13:55:21,145 INFO L280 TraceCheckUtils]: 16: Hoare triple {2854#(= 0 ~pumpRunning~0)} assume -2147483648 <= #t~ret60 && #t~ret60 <= 2147483647;~tmp~5 := #t~ret60;havoc #t~ret60; {2854#(= 0 ~pumpRunning~0)} is VALID [2020-07-10 13:55:21,145 INFO L280 TraceCheckUtils]: 17: Hoare triple {2854#(= 0 ~pumpRunning~0)} assume 0 != ~tmp~5; {2854#(= 0 ~pumpRunning~0)} is VALID [2020-07-10 13:55:21,145 INFO L263 TraceCheckUtils]: 18: Hoare triple {2854#(= 0 ~pumpRunning~0)} call setup(); {2849#true} is VALID [2020-07-10 13:55:21,146 INFO L280 TraceCheckUtils]: 19: Hoare triple {2849#true} assume true; {2849#true} is VALID [2020-07-10 13:55:21,146 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {2849#true} {2854#(= 0 ~pumpRunning~0)} #375#return; {2854#(= 0 ~pumpRunning~0)} is VALID [2020-07-10 13:55:21,147 INFO L263 TraceCheckUtils]: 21: Hoare triple {2854#(= 0 ~pumpRunning~0)} call runTest(); {2854#(= 0 ~pumpRunning~0)} is VALID [2020-07-10 13:55:21,148 INFO L263 TraceCheckUtils]: 22: Hoare triple {2854#(= 0 ~pumpRunning~0)} call test(); {2854#(= 0 ~pumpRunning~0)} is VALID [2020-07-10 13:55:21,148 INFO L280 TraceCheckUtils]: 23: Hoare triple {2854#(= 0 ~pumpRunning~0)} havoc ~splverifierCounter~0;havoc ~tmp~4;havoc ~tmp___0~1;havoc ~tmp___1~1;havoc ~tmp___2~0;~splverifierCounter~0 := 0; {2854#(= 0 ~pumpRunning~0)} is VALID [2020-07-10 13:55:21,149 INFO L280 TraceCheckUtils]: 24: Hoare triple {2854#(= 0 ~pumpRunning~0)} assume !false; {2854#(= 0 ~pumpRunning~0)} is VALID [2020-07-10 13:55:21,149 INFO L280 TraceCheckUtils]: 25: Hoare triple {2854#(= 0 ~pumpRunning~0)} assume ~splverifierCounter~0 < 4; {2854#(= 0 ~pumpRunning~0)} is VALID [2020-07-10 13:55:21,150 INFO L280 TraceCheckUtils]: 26: Hoare triple {2854#(= 0 ~pumpRunning~0)} assume -2147483648 <= #t~nondet56 && #t~nondet56 <= 2147483647;~tmp~4 := #t~nondet56;havoc #t~nondet56; {2854#(= 0 ~pumpRunning~0)} is VALID [2020-07-10 13:55:21,150 INFO L280 TraceCheckUtils]: 27: Hoare triple {2854#(= 0 ~pumpRunning~0)} assume !(0 != ~tmp~4); {2854#(= 0 ~pumpRunning~0)} is VALID [2020-07-10 13:55:21,151 INFO L280 TraceCheckUtils]: 28: Hoare triple {2854#(= 0 ~pumpRunning~0)} assume -2147483648 <= #t~nondet57 && #t~nondet57 <= 2147483647;~tmp___0~1 := #t~nondet57;havoc #t~nondet57; {2854#(= 0 ~pumpRunning~0)} is VALID [2020-07-10 13:55:21,151 INFO L280 TraceCheckUtils]: 29: Hoare triple {2854#(= 0 ~pumpRunning~0)} assume !(0 != ~tmp___0~1); {2854#(= 0 ~pumpRunning~0)} is VALID [2020-07-10 13:55:21,152 INFO L280 TraceCheckUtils]: 30: Hoare triple {2854#(= 0 ~pumpRunning~0)} assume -2147483648 <= #t~nondet58 && #t~nondet58 <= 2147483647;~tmp___2~0 := #t~nondet58;havoc #t~nondet58; {2854#(= 0 ~pumpRunning~0)} is VALID [2020-07-10 13:55:21,153 INFO L280 TraceCheckUtils]: 31: Hoare triple {2854#(= 0 ~pumpRunning~0)} assume !(0 != ~tmp___2~0);assume -2147483648 <= #t~nondet59 && #t~nondet59 <= 2147483647;~tmp___1~1 := #t~nondet59;havoc #t~nondet59; {2854#(= 0 ~pumpRunning~0)} is VALID [2020-07-10 13:55:21,153 INFO L280 TraceCheckUtils]: 32: Hoare triple {2854#(= 0 ~pumpRunning~0)} assume !(0 != ~tmp___1~1); {2854#(= 0 ~pumpRunning~0)} is VALID [2020-07-10 13:55:21,154 INFO L263 TraceCheckUtils]: 33: Hoare triple {2854#(= 0 ~pumpRunning~0)} call timeShift(); {2854#(= 0 ~pumpRunning~0)} is VALID [2020-07-10 13:55:21,155 INFO L280 TraceCheckUtils]: 34: Hoare triple {2854#(= 0 ~pumpRunning~0)} assume 0 != ~pumpRunning~0; {2850#false} is VALID [2020-07-10 13:55:21,155 INFO L263 TraceCheckUtils]: 35: Hoare triple {2850#false} call lowerWaterLevel(); {2879#(= ~waterLevel~0 |old(~waterLevel~0)|)} is VALID [2020-07-10 13:55:21,155 INFO L280 TraceCheckUtils]: 36: Hoare triple {2879#(= ~waterLevel~0 |old(~waterLevel~0)|)} assume ~waterLevel~0 > 0;~waterLevel~0 := ~waterLevel~0 - 1; {2849#true} is VALID [2020-07-10 13:55:21,155 INFO L280 TraceCheckUtils]: 37: Hoare triple {2849#true} assume true; {2849#true} is VALID [2020-07-10 13:55:21,155 INFO L275 TraceCheckUtils]: 38: Hoare quadruple {2849#true} {2850#false} #419#return; {2850#false} is VALID [2020-07-10 13:55:21,156 INFO L280 TraceCheckUtils]: 39: Hoare triple {2850#false} assume 0 != ~systemActive~0; {2850#false} is VALID [2020-07-10 13:55:21,156 INFO L263 TraceCheckUtils]: 40: Hoare triple {2850#false} call processEnvironment(); {2849#true} is VALID [2020-07-10 13:55:21,156 INFO L280 TraceCheckUtils]: 41: Hoare triple {2849#true} assume true; {2849#true} is VALID [2020-07-10 13:55:21,156 INFO L275 TraceCheckUtils]: 42: Hoare quadruple {2849#true} {2850#false} #421#return; {2850#false} is VALID [2020-07-10 13:55:21,157 INFO L263 TraceCheckUtils]: 43: Hoare triple {2850#false} call __utac_acc__Specification3_spec__1(); {2850#false} is VALID [2020-07-10 13:55:21,157 INFO L280 TraceCheckUtils]: 44: Hoare triple {2850#false} havoc ~tmp~3;havoc ~tmp___0~0;havoc ~tmp___1~0; {2850#false} is VALID [2020-07-10 13:55:21,157 INFO L263 TraceCheckUtils]: 45: Hoare triple {2850#false} call #t~ret53 := isMethaneLevelCritical(); {2849#true} is VALID [2020-07-10 13:55:21,157 INFO L280 TraceCheckUtils]: 46: Hoare triple {2849#true} havoc ~retValue_acc~8;~retValue_acc~8 := ~methaneLevelCritical~0;#res := ~retValue_acc~8; {2849#true} is VALID [2020-07-10 13:55:21,157 INFO L280 TraceCheckUtils]: 47: Hoare triple {2849#true} assume true; {2849#true} is VALID [2020-07-10 13:55:21,158 INFO L275 TraceCheckUtils]: 48: Hoare quadruple {2849#true} {2850#false} #439#return; {2850#false} is VALID [2020-07-10 13:55:21,158 INFO L280 TraceCheckUtils]: 49: Hoare triple {2850#false} assume -2147483648 <= #t~ret53 && #t~ret53 <= 2147483647;~tmp~3 := #t~ret53;havoc #t~ret53; {2850#false} is VALID [2020-07-10 13:55:21,158 INFO L280 TraceCheckUtils]: 50: Hoare triple {2850#false} assume !(0 != ~tmp~3); {2850#false} is VALID [2020-07-10 13:55:21,158 INFO L263 TraceCheckUtils]: 51: Hoare triple {2850#false} call #t~ret54 := getWaterLevel(); {2849#true} is VALID [2020-07-10 13:55:21,158 INFO L280 TraceCheckUtils]: 52: Hoare triple {2849#true} havoc ~retValue_acc~9;~retValue_acc~9 := ~waterLevel~0;#res := ~retValue_acc~9; {2849#true} is VALID [2020-07-10 13:55:21,159 INFO L280 TraceCheckUtils]: 53: Hoare triple {2849#true} assume true; {2849#true} is VALID [2020-07-10 13:55:21,159 INFO L275 TraceCheckUtils]: 54: Hoare quadruple {2849#true} {2850#false} #441#return; {2850#false} is VALID [2020-07-10 13:55:21,159 INFO L280 TraceCheckUtils]: 55: Hoare triple {2850#false} assume -2147483648 <= #t~ret54 && #t~ret54 <= 2147483647;~tmp___0~0 := #t~ret54;havoc #t~ret54; {2850#false} is VALID [2020-07-10 13:55:21,159 INFO L280 TraceCheckUtils]: 56: Hoare triple {2850#false} assume 2 == ~tmp___0~0; {2850#false} is VALID [2020-07-10 13:55:21,160 INFO L263 TraceCheckUtils]: 57: Hoare triple {2850#false} call #t~ret55 := isPumpRunning(); {2849#true} is VALID [2020-07-10 13:55:21,160 INFO L280 TraceCheckUtils]: 58: Hoare triple {2849#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~pumpRunning~0;#res := ~retValue_acc~6; {2849#true} is VALID [2020-07-10 13:55:21,160 INFO L280 TraceCheckUtils]: 59: Hoare triple {2849#true} assume true; {2849#true} is VALID [2020-07-10 13:55:21,160 INFO L275 TraceCheckUtils]: 60: Hoare quadruple {2849#true} {2850#false} #443#return; {2850#false} is VALID [2020-07-10 13:55:21,161 INFO L280 TraceCheckUtils]: 61: Hoare triple {2850#false} assume -2147483648 <= #t~ret55 && #t~ret55 <= 2147483647;~tmp___1~0 := #t~ret55;havoc #t~ret55; {2850#false} is VALID [2020-07-10 13:55:21,161 INFO L280 TraceCheckUtils]: 62: Hoare triple {2850#false} assume !(0 != ~tmp___1~0); {2850#false} is VALID [2020-07-10 13:55:21,161 INFO L263 TraceCheckUtils]: 63: Hoare triple {2850#false} call __automaton_fail(); {2850#false} is VALID [2020-07-10 13:55:21,161 INFO L280 TraceCheckUtils]: 64: Hoare triple {2850#false} assume !false; {2850#false} is VALID [2020-07-10 13:55:21,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-10 13:55:21,168 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450057975] [2020-07-10 13:55:21,169 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-10 13:55:21,169 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-10 13:55:21,169 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080617400] [2020-07-10 13:55:21,170 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2020-07-10 13:55:21,170 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 13:55:21,170 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-10 13:55:21,252 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 65 edges. 65 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 13:55:21,252 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-10 13:55:21,252 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-10 13:55:21,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-10 13:55:21,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-10 13:55:21,253 INFO L87 Difference]: Start difference. First operand 136 states and 158 transitions. Second operand 5 states. [2020-07-10 13:55:21,793 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-10 13:55:24,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 13:55:24,952 INFO L93 Difference]: Finished difference Result 205 states and 247 transitions. [2020-07-10 13:55:24,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-10 13:55:24,952 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2020-07-10 13:55:24,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 13:55:24,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-10 13:55:24,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 202 transitions. [2020-07-10 13:55:24,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-10 13:55:24,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 202 transitions. [2020-07-10 13:55:24,961 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 202 transitions. [2020-07-10 13:55:25,610 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 202 edges. 202 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 13:55:25,614 INFO L225 Difference]: With dead ends: 205 [2020-07-10 13:55:25,615 INFO L226 Difference]: Without dead ends: 136 [2020-07-10 13:55:25,616 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 [2020-07-10 13:55:25,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2020-07-10 13:55:26,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 123. [2020-07-10 13:55:26,904 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 13:55:26,904 INFO L82 GeneralOperation]: Start isEquivalent. First operand 136 states. Second operand 123 states. [2020-07-10 13:55:26,904 INFO L74 IsIncluded]: Start isIncluded. First operand 136 states. Second operand 123 states. [2020-07-10 13:55:26,905 INFO L87 Difference]: Start difference. First operand 136 states. Second operand 123 states. [2020-07-10 13:55:26,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 13:55:26,911 INFO L93 Difference]: Finished difference Result 136 states and 159 transitions. [2020-07-10 13:55:26,911 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 159 transitions. [2020-07-10 13:55:26,911 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 13:55:26,912 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 13:55:26,912 INFO L74 IsIncluded]: Start isIncluded. First operand 123 states. Second operand 136 states. [2020-07-10 13:55:26,912 INFO L87 Difference]: Start difference. First operand 123 states. Second operand 136 states. [2020-07-10 13:55:26,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 13:55:26,917 INFO L93 Difference]: Finished difference Result 136 states and 159 transitions. [2020-07-10 13:55:26,917 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 159 transitions. [2020-07-10 13:55:26,918 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 13:55:26,918 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 13:55:26,918 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 13:55:26,918 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 13:55:26,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2020-07-10 13:55:26,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 138 transitions. [2020-07-10 13:55:26,923 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 138 transitions. Word has length 65 [2020-07-10 13:55:26,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 13:55:26,923 INFO L479 AbstractCegarLoop]: Abstraction has 123 states and 138 transitions. [2020-07-10 13:55:26,923 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-10 13:55:26,923 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 138 transitions. [2020-07-10 13:55:26,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-10 13:55:26,924 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 13:55:26,925 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-10 13:55:26,925 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-10 13:55:26,925 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 13:55:26,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 13:55:26,925 INFO L82 PathProgramCache]: Analyzing trace with hash -1045725272, now seen corresponding path program 1 times [2020-07-10 13:55:26,926 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-10 13:55:26,926 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746096930] [2020-07-10 13:55:26,926 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 13:55:26,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-10 13:55:27,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-10 13:55:27,160 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-10 13:55:27,160 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-10 13:55:27,161 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-10 13:55:27,381 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_freeENTRY has no Hoare annotation [2020-07-10 13:55:27,382 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_resetENTRY has no Hoare annotation [2020-07-10 13:55:27,382 WARN L170 areAnnotationChecker]: select_helpersFINAL has no Hoare annotation [2020-07-10 13:55:27,382 WARN L170 areAnnotationChecker]: valid_productENTRY has no Hoare annotation [2020-07-10 13:55:27,382 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-10 13:55:27,382 WARN L170 areAnnotationChecker]: Specification2ENTRY has no Hoare annotation [2020-07-10 13:55:27,382 WARN L170 areAnnotationChecker]: Specification2ENTRY has no Hoare annotation [2020-07-10 13:55:27,382 WARN L170 areAnnotationChecker]: isPumpRunningENTRY has no Hoare annotation [2020-07-10 13:55:27,382 WARN L170 areAnnotationChecker]: printPumpENTRY has no Hoare annotation [2020-07-10 13:55:27,382 WARN L170 areAnnotationChecker]: select_featuresFINAL has no Hoare annotation [2020-07-10 13:55:27,382 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_setENTRY has no Hoare annotation [2020-07-10 13:55:27,383 WARN L170 areAnnotationChecker]: __utac__get_this_argtypeENTRY has no Hoare annotation [2020-07-10 13:55:27,383 WARN L170 areAnnotationChecker]: runTestENTRY has no Hoare annotation [2020-07-10 13:55:27,383 WARN L170 areAnnotationChecker]: runTestENTRY has no Hoare annotation [2020-07-10 13:55:27,383 WARN L170 areAnnotationChecker]: isMethaneAlarmENTRY has no Hoare annotation [2020-07-10 13:55:27,383 WARN L170 areAnnotationChecker]: deactivatePumpENTRY has no Hoare annotation [2020-07-10 13:55:27,383 WARN L170 areAnnotationChecker]: processEnvironmentFINAL has no Hoare annotation [2020-07-10 13:55:27,383 WARN L170 areAnnotationChecker]: testENTRY has no Hoare annotation [2020-07-10 13:55:27,383 WARN L170 areAnnotationChecker]: __utac__get_this_argENTRY has no Hoare annotation [2020-07-10 13:55:27,383 WARN L170 areAnnotationChecker]: ULTIMATE.initENTRY has no Hoare annotation [2020-07-10 13:55:27,383 WARN L170 areAnnotationChecker]: select_oneENTRY has no Hoare annotation [2020-07-10 13:55:27,384 WARN L170 areAnnotationChecker]: __utac__error_stack_mgtENTRY has no Hoare annotation [2020-07-10 13:55:27,384 WARN L170 areAnnotationChecker]: printEnvironmentENTRY has no Hoare annotation [2020-07-10 13:55:27,384 WARN L170 areAnnotationChecker]: activatePumpENTRY has no Hoare annotation [2020-07-10 13:55:27,384 WARN L170 areAnnotationChecker]: ##fun~int~X~int~TO~intENTRY has no Hoare annotation [2020-07-10 13:55:27,384 WARN L170 areAnnotationChecker]: changeMethaneLevelENTRY has no Hoare annotation [2020-07-10 13:55:27,384 WARN L170 areAnnotationChecker]: changeMethaneLevelENTRY has no Hoare annotation [2020-07-10 13:55:27,384 WARN L170 areAnnotationChecker]: getWaterLevelENTRY has no Hoare annotation [2020-07-10 13:55:27,384 WARN L170 areAnnotationChecker]: timeShiftENTRY has no Hoare annotation [2020-07-10 13:55:27,384 WARN L170 areAnnotationChecker]: timeShiftENTRY has no Hoare annotation [2020-07-10 13:55:27,384 WARN L170 areAnnotationChecker]: __utac_acc__Specification3_spec__1ENTRY has no Hoare annotation [2020-07-10 13:55:27,385 WARN L170 areAnnotationChecker]: cleanupENTRY has no Hoare annotation [2020-07-10 13:55:27,385 WARN L170 areAnnotationChecker]: isMethaneLevelCriticalENTRY has no Hoare annotation [2020-07-10 13:55:27,385 WARN L170 areAnnotationChecker]: lowerWaterLevelENTRY has no Hoare annotation [2020-07-10 13:55:27,385 WARN L170 areAnnotationChecker]: lowerWaterLevelENTRY has no Hoare annotation [2020-07-10 13:55:27,385 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-10 13:55:27,385 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-10 13:55:27,385 WARN L170 areAnnotationChecker]: setupFINAL has no Hoare annotation [2020-07-10 13:55:27,385 WARN L170 areAnnotationChecker]: startSystemENTRY has no Hoare annotation [2020-07-10 13:55:27,385 WARN L170 areAnnotationChecker]: waterRiseENTRY has no Hoare annotation [2020-07-10 13:55:27,385 WARN L170 areAnnotationChecker]: waterRiseENTRY has no Hoare annotation [2020-07-10 13:55:27,386 WARN L170 areAnnotationChecker]: __automaton_failENTRY has no Hoare annotation [2020-07-10 13:55:27,386 WARN L170 areAnnotationChecker]: __automaton_failENTRY has no Hoare annotation [2020-07-10 13:55:27,386 WARN L170 areAnnotationChecker]: L164-2 has no Hoare annotation [2020-07-10 13:55:27,386 WARN L170 areAnnotationChecker]: L164-2 has no Hoare annotation [2020-07-10 13:55:27,386 WARN L170 areAnnotationChecker]: L164-2 has no Hoare annotation [2020-07-10 13:55:27,386 WARN L170 areAnnotationChecker]: L221-2 has no Hoare annotation [2020-07-10 13:55:27,386 WARN L170 areAnnotationChecker]: L221-2 has no Hoare annotation [2020-07-10 13:55:27,386 WARN L170 areAnnotationChecker]: L221-2 has no Hoare annotation [2020-07-10 13:55:27,386 WARN L170 areAnnotationChecker]: select_helpersEXIT has no Hoare annotation [2020-07-10 13:55:27,387 WARN L170 areAnnotationChecker]: valid_productFINAL has no Hoare annotation [2020-07-10 13:55:27,387 WARN L170 areAnnotationChecker]: L761 has no Hoare annotation [2020-07-10 13:55:27,387 WARN L170 areAnnotationChecker]: L761 has no Hoare annotation [2020-07-10 13:55:27,387 WARN L170 areAnnotationChecker]: L719 has no Hoare annotation [2020-07-10 13:55:27,387 WARN L170 areAnnotationChecker]: L719 has no Hoare annotation [2020-07-10 13:55:27,387 WARN L170 areAnnotationChecker]: isPumpRunningFINAL has no Hoare annotation [2020-07-10 13:55:27,387 WARN L170 areAnnotationChecker]: L540 has no Hoare annotation [2020-07-10 13:55:27,387 WARN L170 areAnnotationChecker]: L540 has no Hoare annotation [2020-07-10 13:55:27,387 WARN L170 areAnnotationChecker]: select_featuresEXIT has no Hoare annotation [2020-07-10 13:55:27,387 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_setFINAL has no Hoare annotation [2020-07-10 13:55:27,387 WARN L170 areAnnotationChecker]: L420 has no Hoare annotation [2020-07-10 13:55:27,388 WARN L170 areAnnotationChecker]: L420 has no Hoare annotation [2020-07-10 13:55:27,388 WARN L170 areAnnotationChecker]: runTestFINAL has no Hoare annotation [2020-07-10 13:55:27,388 WARN L170 areAnnotationChecker]: L518 has no Hoare annotation [2020-07-10 13:55:27,388 WARN L170 areAnnotationChecker]: L518 has no Hoare annotation [2020-07-10 13:55:27,388 WARN L170 areAnnotationChecker]: deactivatePumpFINAL has no Hoare annotation [2020-07-10 13:55:27,388 WARN L170 areAnnotationChecker]: processEnvironmentEXIT has no Hoare annotation [2020-07-10 13:55:27,388 WARN L170 areAnnotationChecker]: L671 has no Hoare annotation [2020-07-10 13:55:27,388 WARN L170 areAnnotationChecker]: L671 has no Hoare annotation [2020-07-10 13:55:27,388 WARN L170 areAnnotationChecker]: L671 has no Hoare annotation [2020-07-10 13:55:27,388 WARN L170 areAnnotationChecker]: L374 has no Hoare annotation [2020-07-10 13:55:27,389 WARN L170 areAnnotationChecker]: L374 has no Hoare annotation [2020-07-10 13:55:27,389 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-10 13:55:27,389 WARN L170 areAnnotationChecker]: select_oneFINAL has no Hoare annotation [2020-07-10 13:55:27,389 WARN L170 areAnnotationChecker]: L281 has no Hoare annotation [2020-07-10 13:55:27,389 WARN L170 areAnnotationChecker]: L281 has no Hoare annotation [2020-07-10 13:55:27,389 WARN L170 areAnnotationChecker]: L834 has no Hoare annotation [2020-07-10 13:55:27,389 WARN L170 areAnnotationChecker]: L834 has no Hoare annotation [2020-07-10 13:55:27,389 WARN L170 areAnnotationChecker]: activatePumpFINAL has no Hoare annotation [2020-07-10 13:55:27,389 WARN L170 areAnnotationChecker]: ##fun~int~X~int~TO~intFINAL has no Hoare annotation [2020-07-10 13:55:27,389 WARN L170 areAnnotationChecker]: L809-1 has no Hoare annotation [2020-07-10 13:55:27,390 WARN L170 areAnnotationChecker]: getWaterLevelFINAL has no Hoare annotation [2020-07-10 13:55:27,390 WARN L170 areAnnotationChecker]: L472 has no Hoare annotation [2020-07-10 13:55:27,390 WARN L170 areAnnotationChecker]: L472 has no Hoare annotation [2020-07-10 13:55:27,390 WARN L170 areAnnotationChecker]: L470 has no Hoare annotation [2020-07-10 13:55:27,390 WARN L170 areAnnotationChecker]: L470 has no Hoare annotation [2020-07-10 13:55:27,390 WARN L170 areAnnotationChecker]: L586 has no Hoare annotation [2020-07-10 13:55:27,390 WARN L170 areAnnotationChecker]: L586 has no Hoare annotation [2020-07-10 13:55:27,390 WARN L170 areAnnotationChecker]: L690 has no Hoare annotation [2020-07-10 13:55:27,390 WARN L170 areAnnotationChecker]: L690 has no Hoare annotation [2020-07-10 13:55:27,390 WARN L170 areAnnotationChecker]: isMethaneLevelCriticalFINAL has no Hoare annotation [2020-07-10 13:55:27,391 WARN L170 areAnnotationChecker]: L785-1 has no Hoare annotation [2020-07-10 13:55:27,391 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-10 13:55:27,391 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-10 13:55:27,391 WARN L170 areAnnotationChecker]: setupEXIT has no Hoare annotation [2020-07-10 13:55:27,391 WARN L170 areAnnotationChecker]: startSystemFINAL has no Hoare annotation [2020-07-10 13:55:27,391 WARN L170 areAnnotationChecker]: L797-1 has no Hoare annotation [2020-07-10 13:55:27,391 WARN L170 areAnnotationChecker]: __automaton_failFINAL has no Hoare annotation [2020-07-10 13:55:27,391 WARN L170 areAnnotationChecker]: L186 has no Hoare annotation [2020-07-10 13:55:27,391 WARN L170 areAnnotationChecker]: L165 has no Hoare annotation [2020-07-10 13:55:27,391 WARN L170 areAnnotationChecker]: L247 has no Hoare annotation [2020-07-10 13:55:27,392 WARN L170 areAnnotationChecker]: L247 has no Hoare annotation [2020-07-10 13:55:27,392 WARN L170 areAnnotationChecker]: L222 has no Hoare annotation [2020-07-10 13:55:27,392 WARN L170 areAnnotationChecker]: L761-1 has no Hoare annotation [2020-07-10 13:55:27,392 WARN L170 areAnnotationChecker]: L761-1 has no Hoare annotation [2020-07-10 13:55:27,392 WARN L170 areAnnotationChecker]: valid_productEXIT has no Hoare annotation [2020-07-10 13:55:27,392 WARN L170 areAnnotationChecker]: L720 has no Hoare annotation [2020-07-10 13:55:27,392 WARN L170 areAnnotationChecker]: L720 has no Hoare annotation [2020-07-10 13:55:27,392 WARN L170 areAnnotationChecker]: isPumpRunningEXIT has no Hoare annotation [2020-07-10 13:55:27,392 WARN L170 areAnnotationChecker]: L540-2 has no Hoare annotation [2020-07-10 13:55:27,392 WARN L170 areAnnotationChecker]: L762 has no Hoare annotation [2020-07-10 13:55:27,392 WARN L170 areAnnotationChecker]: L762 has no Hoare annotation [2020-07-10 13:55:27,393 WARN L170 areAnnotationChecker]: L426 has no Hoare annotation [2020-07-10 13:55:27,393 WARN L170 areAnnotationChecker]: L426 has no Hoare annotation [2020-07-10 13:55:27,393 WARN L170 areAnnotationChecker]: L420-1 has no Hoare annotation [2020-07-10 13:55:27,393 WARN L170 areAnnotationChecker]: runTestEXIT has no Hoare annotation [2020-07-10 13:55:27,393 WARN L170 areAnnotationChecker]: L518-1 has no Hoare annotation [2020-07-10 13:55:27,393 WARN L170 areAnnotationChecker]: L477 has no Hoare annotation [2020-07-10 13:55:27,393 WARN L170 areAnnotationChecker]: L477 has no Hoare annotation [2020-07-10 13:55:27,393 WARN L170 areAnnotationChecker]: L674 has no Hoare annotation [2020-07-10 13:55:27,393 WARN L170 areAnnotationChecker]: L674 has no Hoare annotation [2020-07-10 13:55:27,393 WARN L170 areAnnotationChecker]: L627 has no Hoare annotation [2020-07-10 13:55:27,394 WARN L170 areAnnotationChecker]: L627 has no Hoare annotation [2020-07-10 13:55:27,394 WARN L170 areAnnotationChecker]: L380 has no Hoare annotation [2020-07-10 13:55:27,394 WARN L170 areAnnotationChecker]: L380 has no Hoare annotation [2020-07-10 13:55:27,394 WARN L170 areAnnotationChecker]: L374-1 has no Hoare annotation [2020-07-10 13:55:27,394 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-10 13:55:27,394 WARN L170 areAnnotationChecker]: __utac__error_stack_mgtFINAL has no Hoare annotation [2020-07-10 13:55:27,394 WARN L170 areAnnotationChecker]: L286 has no Hoare annotation [2020-07-10 13:55:27,394 WARN L170 areAnnotationChecker]: L286 has no Hoare annotation [2020-07-10 13:55:27,394 WARN L170 areAnnotationChecker]: L834-2 has no Hoare annotation [2020-07-10 13:55:27,394 WARN L170 areAnnotationChecker]: ##fun~int~X~int~TO~intEXIT has no Hoare annotation [2020-07-10 13:55:27,395 WARN L170 areAnnotationChecker]: changeMethaneLevelEXIT has no Hoare annotation [2020-07-10 13:55:27,395 WARN L170 areAnnotationChecker]: changeMethaneLevelEXIT has no Hoare annotation [2020-07-10 13:55:27,395 WARN L170 areAnnotationChecker]: getWaterLevelEXIT has no Hoare annotation [2020-07-10 13:55:27,395 WARN L170 areAnnotationChecker]: L479 has no Hoare annotation [2020-07-10 13:55:27,395 WARN L170 areAnnotationChecker]: L479 has no Hoare annotation [2020-07-10 13:55:27,395 WARN L170 areAnnotationChecker]: L586-1 has no Hoare annotation [2020-07-10 13:55:27,395 WARN L170 areAnnotationChecker]: L690-1 has no Hoare annotation [2020-07-10 13:55:27,395 WARN L170 areAnnotationChecker]: isMethaneLevelCriticalEXIT has no Hoare annotation [2020-07-10 13:55:27,395 WARN L170 areAnnotationChecker]: isMethaneLevelCriticalEXIT has no Hoare annotation [2020-07-10 13:55:27,396 WARN L170 areAnnotationChecker]: lowerWaterLevelEXIT has no Hoare annotation [2020-07-10 13:55:27,396 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-10 13:55:27,396 WARN L170 areAnnotationChecker]: L767-1 has no Hoare annotation [2020-07-10 13:55:27,396 WARN L170 areAnnotationChecker]: L767-1 has no Hoare annotation [2020-07-10 13:55:27,396 WARN L170 areAnnotationChecker]: startSystemEXIT has no Hoare annotation [2020-07-10 13:55:27,396 WARN L170 areAnnotationChecker]: waterRiseEXIT has no Hoare annotation [2020-07-10 13:55:27,396 WARN L170 areAnnotationChecker]: waterRiseEXIT has no Hoare annotation [2020-07-10 13:55:27,396 WARN L170 areAnnotationChecker]: __automaton_failEXIT has no Hoare annotation [2020-07-10 13:55:27,396 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_freeFINAL has no Hoare annotation [2020-07-10 13:55:27,396 WARN L170 areAnnotationChecker]: L170 has no Hoare annotation [2020-07-10 13:55:27,397 WARN L170 areAnnotationChecker]: L170 has no Hoare annotation [2020-07-10 13:55:27,397 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_resetFINAL has no Hoare annotation [2020-07-10 13:55:27,397 WARN L170 areAnnotationChecker]: L227 has no Hoare annotation [2020-07-10 13:55:27,397 WARN L170 areAnnotationChecker]: L227 has no Hoare annotation [2020-07-10 13:55:27,397 WARN L170 areAnnotationChecker]: L763 has no Hoare annotation [2020-07-10 13:55:27,397 WARN L170 areAnnotationChecker]: L721 has no Hoare annotation [2020-07-10 13:55:27,397 WARN L170 areAnnotationChecker]: L721 has no Hoare annotation [2020-07-10 13:55:27,397 WARN L170 areAnnotationChecker]: L596-1 has no Hoare annotation [2020-07-10 13:55:27,397 WARN L170 areAnnotationChecker]: L552 has no Hoare annotation [2020-07-10 13:55:27,398 WARN L170 areAnnotationChecker]: L552 has no Hoare annotation [2020-07-10 13:55:27,398 WARN L170 areAnnotationChecker]: __utac__get_this_argtypeFINAL has no Hoare annotation [2020-07-10 13:55:27,398 WARN L170 areAnnotationChecker]: L765-1 has no Hoare annotation [2020-07-10 13:55:27,398 WARN L170 areAnnotationChecker]: isMethaneAlarmFINAL has no Hoare annotation [2020-07-10 13:55:27,398 WARN L170 areAnnotationChecker]: timeShiftFINAL has no Hoare annotation [2020-07-10 13:55:27,398 WARN L170 areAnnotationChecker]: testFINAL has no Hoare annotation [2020-07-10 13:55:27,398 WARN L170 areAnnotationChecker]: L628 has no Hoare annotation [2020-07-10 13:55:27,398 WARN L170 areAnnotationChecker]: __utac__get_this_argFINAL has no Hoare annotation [2020-07-10 13:55:27,398 WARN L170 areAnnotationChecker]: L303 has no Hoare annotation [2020-07-10 13:55:27,398 WARN L170 areAnnotationChecker]: L303 has no Hoare annotation [2020-07-10 13:55:27,399 WARN L170 areAnnotationChecker]: printEnvironmentFINAL has no Hoare annotation [2020-07-10 13:55:27,399 WARN L170 areAnnotationChecker]: L240-1 has no Hoare annotation [2020-07-10 13:55:27,399 WARN L170 areAnnotationChecker]: L729 has no Hoare annotation [2020-07-10 13:55:27,399 WARN L170 areAnnotationChecker]: L729 has no Hoare annotation [2020-07-10 13:55:27,399 WARN L170 areAnnotationChecker]: L646-1 has no Hoare annotation [2020-07-10 13:55:27,399 WARN L170 areAnnotationChecker]: L592-1 has no Hoare annotation [2020-07-10 13:55:27,399 WARN L170 areAnnotationChecker]: L588 has no Hoare annotation [2020-07-10 13:55:27,399 WARN L170 areAnnotationChecker]: L588 has no Hoare annotation [2020-07-10 13:55:27,399 WARN L170 areAnnotationChecker]: L694-2 has no Hoare annotation [2020-07-10 13:55:27,399 WARN L170 areAnnotationChecker]: L694-2 has no Hoare annotation [2020-07-10 13:55:27,400 WARN L170 areAnnotationChecker]: L694-2 has no Hoare annotation [2020-07-10 13:55:27,400 WARN L170 areAnnotationChecker]: L664-2 has no Hoare annotation [2020-07-10 13:55:27,400 WARN L170 areAnnotationChecker]: L664-2 has no Hoare annotation [2020-07-10 13:55:27,400 WARN L170 areAnnotationChecker]: L725 has no Hoare annotation [2020-07-10 13:55:27,400 WARN L170 areAnnotationChecker]: L725 has no Hoare annotation [2020-07-10 13:55:27,400 WARN L170 areAnnotationChecker]: L636-1 has no Hoare annotation [2020-07-10 13:55:27,400 WARN L170 areAnnotationChecker]: L594-1 has no Hoare annotation [2020-07-10 13:55:27,400 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_freeEXIT has no Hoare annotation [2020-07-10 13:55:27,400 WARN L170 areAnnotationChecker]: L170-1 has no Hoare annotation [2020-07-10 13:55:27,400 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_resetEXIT has no Hoare annotation [2020-07-10 13:55:27,401 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_resetEXIT has no Hoare annotation [2020-07-10 13:55:27,401 WARN L170 areAnnotationChecker]: L227-1 has no Hoare annotation [2020-07-10 13:55:27,401 WARN L170 areAnnotationChecker]: L765 has no Hoare annotation [2020-07-10 13:55:27,401 WARN L170 areAnnotationChecker]: L765 has no Hoare annotation [2020-07-10 13:55:27,401 WARN L170 areAnnotationChecker]: L722 has no Hoare annotation [2020-07-10 13:55:27,401 WARN L170 areAnnotationChecker]: L722 has no Hoare annotation [2020-07-10 13:55:27,401 WARN L170 areAnnotationChecker]: L598 has no Hoare annotation [2020-07-10 13:55:27,401 WARN L170 areAnnotationChecker]: L598 has no Hoare annotation [2020-07-10 13:55:27,401 WARN L170 areAnnotationChecker]: L552-2 has no Hoare annotation [2020-07-10 13:55:27,401 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-10 13:55:27,402 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-10 13:55:27,402 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-10 13:55:27,402 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-10 13:55:27,402 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-10 13:55:27,402 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-10 13:55:27,402 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-10 13:55:27,402 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-10 13:55:27,402 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-10 13:55:27,402 WARN L170 areAnnotationChecker]: testEXIT has no Hoare annotation [2020-07-10 13:55:27,403 WARN L170 areAnnotationChecker]: L636 has no Hoare annotation [2020-07-10 13:55:27,403 WARN L170 areAnnotationChecker]: L636 has no Hoare annotation [2020-07-10 13:55:27,403 WARN L170 areAnnotationChecker]: L306-2 has no Hoare annotation [2020-07-10 13:55:27,403 WARN L170 areAnnotationChecker]: L306-2 has no Hoare annotation [2020-07-10 13:55:27,403 WARN L170 areAnnotationChecker]: L306-2 has no Hoare annotation [2020-07-10 13:55:27,403 WARN L170 areAnnotationChecker]: L345 has no Hoare annotation [2020-07-10 13:55:27,403 WARN L170 areAnnotationChecker]: L345 has no Hoare annotation [2020-07-10 13:55:27,403 WARN L170 areAnnotationChecker]: printEnvironmentEXIT has no Hoare annotation [2020-07-10 13:55:27,403 WARN L170 areAnnotationChecker]: L730 has no Hoare annotation [2020-07-10 13:55:27,403 WARN L170 areAnnotationChecker]: L730 has no Hoare annotation [2020-07-10 13:55:27,404 WARN L170 areAnnotationChecker]: L656 has no Hoare annotation [2020-07-10 13:55:27,404 WARN L170 areAnnotationChecker]: L656 has no Hoare annotation [2020-07-10 13:55:27,404 WARN L170 areAnnotationChecker]: L594 has no Hoare annotation [2020-07-10 13:55:27,404 WARN L170 areAnnotationChecker]: L594 has no Hoare annotation [2020-07-10 13:55:27,404 WARN L170 areAnnotationChecker]: L592 has no Hoare annotation [2020-07-10 13:55:27,404 WARN L170 areAnnotationChecker]: L592 has no Hoare annotation [2020-07-10 13:55:27,404 WARN L170 areAnnotationChecker]: L709 has no Hoare annotation [2020-07-10 13:55:27,404 WARN L170 areAnnotationChecker]: L695 has no Hoare annotation [2020-07-10 13:55:27,404 WARN L170 areAnnotationChecker]: L726 has no Hoare annotation [2020-07-10 13:55:27,404 WARN L170 areAnnotationChecker]: L726 has no Hoare annotation [2020-07-10 13:55:27,405 WARN L170 areAnnotationChecker]: L646 has no Hoare annotation [2020-07-10 13:55:27,405 WARN L170 areAnnotationChecker]: L646 has no Hoare annotation [2020-07-10 13:55:27,405 WARN L170 areAnnotationChecker]: __utac_acc__Specification3_spec__1EXIT has no Hoare annotation [2020-07-10 13:55:27,405 WARN L170 areAnnotationChecker]: L322-1 has no Hoare annotation [2020-07-10 13:55:27,405 WARN L170 areAnnotationChecker]: L338-1 has no Hoare annotation [2020-07-10 13:55:27,405 WARN L170 areAnnotationChecker]: L240 has no Hoare annotation [2020-07-10 13:55:27,405 WARN L170 areAnnotationChecker]: L240 has no Hoare annotation [2020-07-10 13:55:27,405 WARN L170 areAnnotationChecker]: L767 has no Hoare annotation [2020-07-10 13:55:27,405 WARN L170 areAnnotationChecker]: L767 has no Hoare annotation [2020-07-10 13:55:27,406 WARN L170 areAnnotationChecker]: L723 has no Hoare annotation [2020-07-10 13:55:27,406 WARN L170 areAnnotationChecker]: L723 has no Hoare annotation [2020-07-10 13:55:27,406 WARN L170 areAnnotationChecker]: L602 has no Hoare annotation [2020-07-10 13:55:27,406 WARN L170 areAnnotationChecker]: L602 has no Hoare annotation [2020-07-10 13:55:27,406 WARN L170 areAnnotationChecker]: L563 has no Hoare annotation [2020-07-10 13:55:27,406 WARN L170 areAnnotationChecker]: L563 has no Hoare annotation [2020-07-10 13:55:27,406 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-10 13:55:27,406 WARN L170 areAnnotationChecker]: L727 has no Hoare annotation [2020-07-10 13:55:27,406 WARN L170 areAnnotationChecker]: L727 has no Hoare annotation [2020-07-10 13:55:27,407 WARN L170 areAnnotationChecker]: L731 has no Hoare annotation [2020-07-10 13:55:27,407 WARN L170 areAnnotationChecker]: L731 has no Hoare annotation [2020-07-10 13:55:27,407 WARN L170 areAnnotationChecker]: L705 has no Hoare annotation [2020-07-10 13:55:27,407 WARN L170 areAnnotationChecker]: L638 has no Hoare annotation [2020-07-10 13:55:27,407 WARN L170 areAnnotationChecker]: L638 has no Hoare annotation [2020-07-10 13:55:27,407 WARN L170 areAnnotationChecker]: L327 has no Hoare annotation [2020-07-10 13:55:27,407 WARN L170 areAnnotationChecker]: L307 has no Hoare annotation [2020-07-10 13:55:27,407 WARN L170 areAnnotationChecker]: L307 has no Hoare annotation [2020-07-10 13:55:27,407 WARN L170 areAnnotationChecker]: L346 has no Hoare annotation [2020-07-10 13:55:27,408 WARN L170 areAnnotationChecker]: L346 has no Hoare annotation [2020-07-10 13:55:27,408 WARN L170 areAnnotationChecker]: L563-1 has no Hoare annotation [2020-07-10 13:55:27,408 WARN L170 areAnnotationChecker]: L658 has no Hoare annotation [2020-07-10 13:55:27,408 WARN L170 areAnnotationChecker]: L658 has no Hoare annotation [2020-07-10 13:55:27,408 WARN L170 areAnnotationChecker]: L664 has no Hoare annotation [2020-07-10 13:55:27,408 WARN L170 areAnnotationChecker]: L664 has no Hoare annotation [2020-07-10 13:55:27,408 WARN L170 areAnnotationChecker]: L596 has no Hoare annotation [2020-07-10 13:55:27,408 WARN L170 areAnnotationChecker]: L596 has no Hoare annotation [2020-07-10 13:55:27,409 WARN L170 areAnnotationChecker]: cleanupEXIT has no Hoare annotation [2020-07-10 13:55:27,409 WARN L170 areAnnotationChecker]: cleanupEXIT has no Hoare annotation [2020-07-10 13:55:27,409 WARN L170 areAnnotationChecker]: L698 has no Hoare annotation [2020-07-10 13:55:27,409 WARN L170 areAnnotationChecker]: L698 has no Hoare annotation [2020-07-10 13:55:27,409 WARN L170 areAnnotationChecker]: L648 has no Hoare annotation [2020-07-10 13:55:27,409 WARN L170 areAnnotationChecker]: L648 has no Hoare annotation [2020-07-10 13:55:27,409 WARN L170 areAnnotationChecker]: L724 has no Hoare annotation [2020-07-10 13:55:27,409 WARN L170 areAnnotationChecker]: L724 has no Hoare annotation [2020-07-10 13:55:27,409 WARN L170 areAnnotationChecker]: L728 has no Hoare annotation [2020-07-10 13:55:27,410 WARN L170 areAnnotationChecker]: L728 has no Hoare annotation [2020-07-10 13:55:27,410 WARN L170 areAnnotationChecker]: L732 has no Hoare annotation [2020-07-10 13:55:27,410 WARN L170 areAnnotationChecker]: L732 has no Hoare annotation [2020-07-10 13:55:27,410 WARN L170 areAnnotationChecker]: L338 has no Hoare annotation [2020-07-10 13:55:27,410 WARN L170 areAnnotationChecker]: L338 has no Hoare annotation [2020-07-10 13:55:27,410 WARN L170 areAnnotationChecker]: L308 has no Hoare annotation [2020-07-10 13:55:27,410 WARN L170 areAnnotationChecker]: printPumpFINAL has no Hoare annotation [2020-07-10 13:55:27,410 WARN L170 areAnnotationChecker]: Specification2FINAL has no Hoare annotation [2020-07-10 13:55:27,410 WARN L170 areAnnotationChecker]: L698-1 has no Hoare annotation [2020-07-10 13:55:27,410 WARN L170 areAnnotationChecker]: L698-1 has no Hoare annotation [2020-07-10 13:55:27,410 WARN L170 areAnnotationChecker]: L322 has no Hoare annotation [2020-07-10 13:55:27,411 WARN L170 areAnnotationChecker]: L322 has no Hoare annotation [2020-07-10 13:55:27,411 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-10 13:55:27,411 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-10 13:55:27,411 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-10 13:55:27,411 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-10 13:55:27,411 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-10 13:55:27,411 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-10 13:55:27,411 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-10 13:55:27,412 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. [2020-07-10 13:55:27,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.07 01:55:27 BoogieIcfgContainer [2020-07-10 13:55:27,415 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-10 13:55:27,417 INFO L168 Benchmark]: Toolchain (without parser) took 43005.61 ms. Allocated memory was 146.3 MB in the beginning and 656.4 MB in the end (delta: 510.1 MB). Free memory was 103.0 MB in the beginning and 591.7 MB in the end (delta: -488.7 MB). Peak memory consumption was 510.9 MB. Max. memory is 7.1 GB. [2020-07-10 13:55:27,418 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 146.3 MB. Free memory is still 122.1 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-10 13:55:27,418 INFO L168 Benchmark]: CACSL2BoogieTranslator took 689.63 ms. Allocated memory was 146.3 MB in the beginning and 202.4 MB in the end (delta: 56.1 MB). Free memory was 102.6 MB in the beginning and 167.3 MB in the end (delta: -64.6 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2020-07-10 13:55:27,419 INFO L168 Benchmark]: Boogie Preprocessor took 144.22 ms. Allocated memory is still 202.4 MB. Free memory was 167.3 MB in the beginning and 161.6 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 7.1 GB. [2020-07-10 13:55:27,420 INFO L168 Benchmark]: RCFGBuilder took 1696.23 ms. Allocated memory was 202.4 MB in the beginning and 234.9 MB in the end (delta: 32.5 MB). Free memory was 161.6 MB in the beginning and 96.6 MB in the end (delta: 65.0 MB). Peak memory consumption was 97.5 MB. Max. memory is 7.1 GB. [2020-07-10 13:55:27,421 INFO L168 Benchmark]: TraceAbstraction took 40470.23 ms. Allocated memory was 234.9 MB in the beginning and 656.4 MB in the end (delta: 421.5 MB). Free memory was 94.9 MB in the beginning and 591.7 MB in the end (delta: -496.9 MB). Peak memory consumption was 414.1 MB. Max. memory is 7.1 GB. [2020-07-10 13:55:27,423 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 0.20 ms. Allocated memory is still 146.3 MB. Free memory is still 122.1 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 689.63 ms. Allocated memory was 146.3 MB in the beginning and 202.4 MB in the end (delta: 56.1 MB). Free memory was 102.6 MB in the beginning and 167.3 MB in the end (delta: -64.6 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 144.22 ms. Allocated memory is still 202.4 MB. Free memory was 167.3 MB in the beginning and 161.6 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1696.23 ms. Allocated memory was 202.4 MB in the beginning and 234.9 MB in the end (delta: 32.5 MB). Free memory was 161.6 MB in the beginning and 96.6 MB in the end (delta: 65.0 MB). Peak memory consumption was 97.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 40470.23 ms. Allocated memory was 234.9 MB in the beginning and 656.4 MB in the end (delta: 421.5 MB). Free memory was 94.9 MB in the beginning and 591.7 MB in the end (delta: -496.9 MB). Peak memory consumption was 414.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 82]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L256] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L462] int pumpRunning = 0; [L463] int systemActive = 1; [L683] int cleanupTimeShifts = 4; [L779] int waterLevel = 1; [L780] int methaneLevelCritical = 0; VAL [\old(cleanupTimeShifts)=171, \old(head)=161, \old(head)=176, \old(methaneLevelCritical)=142, \old(pumpRunning)=132, \old(systemActive)=131, \old(waterLevel)=136, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L756] int retValue_acc ; [L757] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L761] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L762] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L763] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L763] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L763] tmp = valid_product() [L765] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L767] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L768] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L750] CALL test() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L617] int splverifierCounter ; [L618] int tmp ; [L619] int tmp___0 ; [L620] int tmp___1 ; [L621] int tmp___2 ; [L624] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L626] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L628] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L634] tmp = __VERIFIER_nondet_int() [L636] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L638] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L797] COND TRUE waterLevel < 2 [L798] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L638] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L644] tmp___0 = __VERIFIER_nondet_int() [L646] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L654] tmp___2 = __VERIFIER_nondet_int() [L656] COND FALSE !(\read(tmp___2)) [L662] tmp___1 = __VERIFIER_nondet_int() [L664] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=0, tmp___2=0, waterLevel=2] [L671] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L470] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L477] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L479] FCALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L485] CALL __utac_acc__Specification3_spec__1() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L580] int tmp ; [L581] int tmp___0 ; [L582] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L586] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L818] int retValue_acc ; [L821] retValue_acc = methaneLevelCritical [L822] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L586] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L586] tmp = isMethaneLevelCritical() [L588] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L592] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L850] int retValue_acc ; [L853] retValue_acc = waterLevel [L854] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=1, waterLevel=2] [L592] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L592] tmp___0 = getWaterLevel() [L594] COND TRUE tmp___0 == 2 VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L596] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L525] int retValue_acc ; [L528] retValue_acc = pumpRunning [L529] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L596] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L596] tmp___1 = isPumpRunning() [L598] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L602] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L82] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(systemActive)=1, \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, 201 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 40.1s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 30.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 386 SDtfs, 517 SDslu, 214 SDs, 0 SdLazy, 1003 SolverSat, 318 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 124 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 4.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=137occurred 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, 101 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 354 NumberOfCodeBlocks, 354 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 284 ConstructedInterpolants, 0 QuantifiedInterpolants, 80396 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...