/usr/bin/java -ea -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product15.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 21:21:17,255 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 21:21:17,258 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 21:21:17,278 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 21:21:17,278 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 21:21:17,280 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 21:21:17,282 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 21:21:17,295 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 21:21:17,297 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 21:21:17,298 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 21:21:17,299 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 21:21:17,302 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 21:21:17,302 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 21:21:17,305 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 21:21:17,307 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 21:21:17,309 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 21:21:17,310 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 21:21:17,311 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 21:21:17,312 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 21:21:17,318 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 21:21:17,322 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 21:21:17,323 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 21:21:17,325 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 21:21:17,325 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 21:21:17,328 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-17 21:21:17,328 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-17 21:21:17,328 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-17 21:21:17,331 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-17 21:21:17,332 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-17 21:21:17,334 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-17 21:21:17,334 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-17 21:21:17,335 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-17 21:21:17,336 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-17 21:21:17,337 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-17 21:21:17,339 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-17 21:21:17,339 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-17 21:21:17,342 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-17 21:21:17,342 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-17 21:21:17,342 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 21:21:17,343 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 21:21:17,344 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 21:21:17,345 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-17 21:21:17,366 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 21:21:17,367 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 21:21:17,369 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-17 21:21:17,369 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-17 21:21:17,369 INFO L138 SettingsManager]: * Use SBE=true [2020-07-17 21:21:17,369 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 21:21:17,369 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 21:21:17,370 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 21:21:17,370 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 21:21:17,370 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 21:21:17,371 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 21:21:17,371 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 21:21:17,372 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 21:21:17,372 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 21:21:17,372 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 21:21:17,372 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 21:21:17,373 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 21:21:17,373 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 21:21:17,373 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-17 21:21:17,373 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 21:21:17,373 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 21:21:17,374 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 21:21:17,374 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 21:21:17,374 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-17 21:21:17,374 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-17 21:21:17,374 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-17 21:21:17,375 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-17 21:21:17,375 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 21:21:17,375 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-17 21:21:17,375 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-17 21:21:17,648 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 21:21:17,661 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 21:21:17,664 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 21:21:17,666 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 21:21:17,666 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 21:21:17,667 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product15.cil.c [2020-07-17 21:21:17,737 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c160d77e/5bb9b987f13a488d835caca3e31c8271/FLAG322bce5a5 [2020-07-17 21:21:18,235 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 21:21:18,236 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product15.cil.c [2020-07-17 21:21:18,246 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c160d77e/5bb9b987f13a488d835caca3e31c8271/FLAG322bce5a5 [2020-07-17 21:21:18,595 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c160d77e/5bb9b987f13a488d835caca3e31c8271 [2020-07-17 21:21:18,603 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 21:21:18,605 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 21:21:18,606 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 21:21:18,606 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 21:21:18,609 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 21:21:18,611 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 09:21:18" (1/1) ... [2020-07-17 21:21:18,614 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12d97467 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:21:18, skipping insertion in model container [2020-07-17 21:21:18,614 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 09:21:18" (1/1) ... [2020-07-17 21:21:18,621 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 21:21:18,659 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 21:21:19,130 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 21:21:19,155 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 21:21:19,235 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 21:21:19,268 INFO L208 MainTranslator]: Completed translation [2020-07-17 21:21:19,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:21:19 WrapperNode [2020-07-17 21:21:19,268 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 21:21:19,269 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 21:21:19,269 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 21:21:19,269 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 21:21:19,284 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:21:19" (1/1) ... [2020-07-17 21:21:19,284 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:21:19" (1/1) ... [2020-07-17 21:21:19,302 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:21:19" (1/1) ... [2020-07-17 21:21:19,303 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:21:19" (1/1) ... [2020-07-17 21:21:19,350 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:21:19" (1/1) ... [2020-07-17 21:21:19,364 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:21:19" (1/1) ... [2020-07-17 21:21:19,369 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:21:19" (1/1) ... [2020-07-17 21:21:19,376 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 21:21:19,377 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 21:21:19,377 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 21:21:19,377 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 21:21:19,378 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:21:19" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 21:21:19,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 21:21:19,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 21:21:19,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-17 21:21:19,459 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-17 21:21:19,459 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-07-17 21:21:19,459 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-17 21:21:19,459 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-07-17 21:21:19,459 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-17 21:21:19,459 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-17 21:21:19,460 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-17 21:21:19,460 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-17 21:21:19,461 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-17 21:21:19,461 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-17 21:21:19,462 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-17 21:21:19,462 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-17 21:21:19,463 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-17 21:21:19,463 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-17 21:21:19,463 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-17 21:21:19,463 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-17 21:21:19,463 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-17 21:21:19,463 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-17 21:21:19,463 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-17 21:21:19,464 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-17 21:21:19,464 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-17 21:21:19,464 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-17 21:21:19,465 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-17 21:21:19,465 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-17 21:21:19,465 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-17 21:21:19,465 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-17 21:21:19,465 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-17 21:21:19,466 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 21:21:19,466 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-07-17 21:21:19,466 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-17 21:21:19,466 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-17 21:21:19,466 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-17 21:21:19,466 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-17 21:21:19,466 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-17 21:21:19,467 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 21:21:19,467 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-17 21:21:19,467 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-17 21:21:19,467 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-17 21:21:19,468 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-17 21:21:19,468 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-17 21:21:19,468 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-17 21:21:19,468 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-17 21:21:19,468 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-17 21:21:19,468 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-17 21:21:19,468 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-17 21:21:19,469 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-17 21:21:19,469 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-07-17 21:21:19,469 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-17 21:21:19,469 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-07-17 21:21:19,469 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-17 21:21:19,469 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-07-17 21:21:19,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-17 21:21:19,470 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-17 21:21:19,470 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-17 21:21:19,470 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-17 21:21:19,470 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-17 21:21:19,470 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-17 21:21:19,470 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-17 21:21:19,470 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-17 21:21:19,471 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-17 21:21:19,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-17 21:21:19,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-17 21:21:19,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-17 21:21:19,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-17 21:21:19,472 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-17 21:21:19,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-17 21:21:19,472 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-17 21:21:19,472 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-17 21:21:19,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-17 21:21:19,472 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-17 21:21:19,473 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-17 21:21:19,473 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-17 21:21:19,473 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-17 21:21:19,474 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-17 21:21:19,474 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-17 21:21:19,474 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-17 21:21:19,474 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-17 21:21:19,474 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-17 21:21:19,475 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-17 21:21:19,475 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 21:21:19,475 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-17 21:21:19,475 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-17 21:21:19,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 21:21:19,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-17 21:21:19,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 21:21:21,040 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 21:21:21,040 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-17 21:21:21,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 09:21:21 BoogieIcfgContainer [2020-07-17 21:21:21,045 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 21:21:21,047 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 21:21:21,047 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 21:21:21,051 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 21:21:21,051 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 09:21:18" (1/3) ... [2020-07-17 21:21:21,052 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e10c2e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 09:21:21, skipping insertion in model container [2020-07-17 21:21:21,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:21:19" (2/3) ... [2020-07-17 21:21:21,053 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e10c2e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 09:21:21, skipping insertion in model container [2020-07-17 21:21:21,053 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 09:21:21" (3/3) ... [2020-07-17 21:21:21,055 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product15.cil.c [2020-07-17 21:21:21,067 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-17 21:21:21,075 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 21:21:21,091 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 21:21:21,118 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 21:21:21,118 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 21:21:21,119 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-17 21:21:21,119 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 21:21:21,119 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 21:21:21,119 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 21:21:21,120 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 21:21:21,120 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 21:21:21,169 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states. [2020-07-17 21:21:21,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-17 21:21:21,179 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 21:21:21,180 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 21:21:21,181 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 21:21:21,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 21:21:21,187 INFO L82 PathProgramCache]: Analyzing trace with hash -1150223249, now seen corresponding path program 1 times [2020-07-17 21:21:21,197 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 21:21:21,198 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304873040] [2020-07-17 21:21:21,198 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 21:21:21,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:21,915 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 21:21:21,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:22,029 INFO L280 TraceCheckUtils]: 0: Hoare triple {188#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string51.base| |old(#t~string51.base)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(110, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 2 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 3 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(80, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(117, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(109, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(112, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(32, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string18.base, #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 1 + #t~string18.offset, 1);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(30);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(21);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(30);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(9);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(21);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(30);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(9);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(25);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(25);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(13);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(77, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(101, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(116, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(104, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string63.base, #t~string63.offset, 1);call write~init~int(82, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(73, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(84, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 4 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(75, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; {165#true} is VALID [2020-07-17 21:21:22,030 INFO L280 TraceCheckUtils]: 1: Hoare triple {165#true} assume true; {165#true} is VALID [2020-07-17 21:21:22,030 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {165#true} {165#true} #498#return; {165#true} is VALID [2020-07-17 21:21:22,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:22,040 INFO L280 TraceCheckUtils]: 0: Hoare triple {165#true} assume true; {165#true} is VALID [2020-07-17 21:21:22,040 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {165#true} {165#true} #406#return; {165#true} is VALID [2020-07-17 21:21:22,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:22,044 INFO L280 TraceCheckUtils]: 0: Hoare triple {165#true} assume true; {165#true} is VALID [2020-07-17 21:21:22,044 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {165#true} {165#true} #408#return; {165#true} is VALID [2020-07-17 21:21:22,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:22,048 INFO L280 TraceCheckUtils]: 0: Hoare triple {165#true} havoc ~retValue_acc~9;~retValue_acc~9 := 1;#res := ~retValue_acc~9; {165#true} is VALID [2020-07-17 21:21:22,048 INFO L280 TraceCheckUtils]: 1: Hoare triple {165#true} assume true; {165#true} is VALID [2020-07-17 21:21:22,048 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {165#true} {165#true} #410#return; {165#true} is VALID [2020-07-17 21:21:22,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:22,052 INFO L280 TraceCheckUtils]: 0: Hoare triple {165#true} assume true; {165#true} is VALID [2020-07-17 21:21:22,052 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {165#true} {165#true} #412#return; {165#true} is VALID [2020-07-17 21:21:22,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:22,056 INFO L280 TraceCheckUtils]: 0: Hoare triple {165#true} havoc ~retValue_acc~5;~retValue_acc~5 := ~methaneLevelCritical~0;#res := ~retValue_acc~5; {165#true} is VALID [2020-07-17 21:21:22,056 INFO L280 TraceCheckUtils]: 1: Hoare triple {165#true} assume true; {165#true} is VALID [2020-07-17 21:21:22,057 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {165#true} {166#false} #490#return; {166#false} is VALID [2020-07-17 21:21:22,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:22,060 INFO L280 TraceCheckUtils]: 0: Hoare triple {165#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~waterLevel~0;#res := ~retValue_acc~6; {165#true} is VALID [2020-07-17 21:21:22,061 INFO L280 TraceCheckUtils]: 1: Hoare triple {165#true} assume true; {165#true} is VALID [2020-07-17 21:21:22,061 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {165#true} {166#false} #492#return; {166#false} is VALID [2020-07-17 21:21:22,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:22,065 INFO L280 TraceCheckUtils]: 0: Hoare triple {165#true} havoc ~retValue_acc~1;~retValue_acc~1 := ~pumpRunning~0;#res := ~retValue_acc~1; {165#true} is VALID [2020-07-17 21:21:22,065 INFO L280 TraceCheckUtils]: 1: Hoare triple {165#true} assume true; {165#true} is VALID [2020-07-17 21:21:22,066 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {165#true} {166#false} #494#return; {166#false} is VALID [2020-07-17 21:21:22,071 INFO L263 TraceCheckUtils]: 0: Hoare triple {165#true} call ULTIMATE.init(); {188#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string51.base| |old(#t~string51.base)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|))} is VALID [2020-07-17 21:21:22,072 INFO L280 TraceCheckUtils]: 1: Hoare triple {188#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string51.base| |old(#t~string51.base)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(110, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 2 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 3 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(80, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(117, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(109, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(112, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(32, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string18.base, #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 1 + #t~string18.offset, 1);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(30);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(21);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(30);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(9);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(21);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(30);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(9);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(25);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(25);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(13);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(77, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(101, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(116, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(104, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string63.base, #t~string63.offset, 1);call write~init~int(82, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(73, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(84, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 4 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(75, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; {165#true} is VALID [2020-07-17 21:21:22,072 INFO L280 TraceCheckUtils]: 2: Hoare triple {165#true} assume true; {165#true} is VALID [2020-07-17 21:21:22,072 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {165#true} {165#true} #498#return; {165#true} is VALID [2020-07-17 21:21:22,073 INFO L263 TraceCheckUtils]: 4: Hoare triple {165#true} call #t~ret73 := main(); {165#true} is VALID [2020-07-17 21:21:22,073 INFO L280 TraceCheckUtils]: 5: Hoare triple {165#true} havoc ~retValue_acc~7;havoc ~tmp~6; {165#true} is VALID [2020-07-17 21:21:22,073 INFO L263 TraceCheckUtils]: 6: Hoare triple {165#true} call select_helpers(); {165#true} is VALID [2020-07-17 21:21:22,074 INFO L280 TraceCheckUtils]: 7: Hoare triple {165#true} assume true; {165#true} is VALID [2020-07-17 21:21:22,074 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {165#true} {165#true} #406#return; {165#true} is VALID [2020-07-17 21:21:22,074 INFO L263 TraceCheckUtils]: 9: Hoare triple {165#true} call select_features(); {165#true} is VALID [2020-07-17 21:21:22,074 INFO L280 TraceCheckUtils]: 10: Hoare triple {165#true} assume true; {165#true} is VALID [2020-07-17 21:21:22,075 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {165#true} {165#true} #408#return; {165#true} is VALID [2020-07-17 21:21:22,075 INFO L263 TraceCheckUtils]: 12: Hoare triple {165#true} call #t~ret68 := valid_product(); {165#true} is VALID [2020-07-17 21:21:22,075 INFO L280 TraceCheckUtils]: 13: Hoare triple {165#true} havoc ~retValue_acc~9;~retValue_acc~9 := 1;#res := ~retValue_acc~9; {165#true} is VALID [2020-07-17 21:21:22,076 INFO L280 TraceCheckUtils]: 14: Hoare triple {165#true} assume true; {165#true} is VALID [2020-07-17 21:21:22,076 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {165#true} {165#true} #410#return; {165#true} is VALID [2020-07-17 21:21:22,076 INFO L280 TraceCheckUtils]: 16: Hoare triple {165#true} assume -2147483648 <= #t~ret68 && #t~ret68 <= 2147483647;~tmp~6 := #t~ret68;havoc #t~ret68; {165#true} is VALID [2020-07-17 21:21:22,077 INFO L280 TraceCheckUtils]: 17: Hoare triple {165#true} assume 0 != ~tmp~6; {165#true} is VALID [2020-07-17 21:21:22,077 INFO L263 TraceCheckUtils]: 18: Hoare triple {165#true} call setup(); {165#true} is VALID [2020-07-17 21:21:22,077 INFO L280 TraceCheckUtils]: 19: Hoare triple {165#true} assume true; {165#true} is VALID [2020-07-17 21:21:22,078 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {165#true} {165#true} #412#return; {165#true} is VALID [2020-07-17 21:21:22,078 INFO L263 TraceCheckUtils]: 21: Hoare triple {165#true} call runTest(); {165#true} is VALID [2020-07-17 21:21:22,078 INFO L263 TraceCheckUtils]: 22: Hoare triple {165#true} call test(); {165#true} is VALID [2020-07-17 21:21:22,078 INFO L280 TraceCheckUtils]: 23: Hoare triple {165#true} havoc ~splverifierCounter~0;havoc ~tmp~2;havoc ~tmp___0~0;havoc ~tmp___1~0;havoc ~tmp___2~0;~splverifierCounter~0 := 0; {165#true} is VALID [2020-07-17 21:21:22,079 INFO L280 TraceCheckUtils]: 24: Hoare triple {165#true} assume false; {166#false} is VALID [2020-07-17 21:21:22,080 INFO L263 TraceCheckUtils]: 25: Hoare triple {166#false} call cleanup(); {166#false} is VALID [2020-07-17 21:21:22,080 INFO L280 TraceCheckUtils]: 26: Hoare triple {166#false} havoc ~i~0;havoc ~__cil_tmp2~0; {166#false} is VALID [2020-07-17 21:21:22,080 INFO L263 TraceCheckUtils]: 27: Hoare triple {166#false} call timeShift(); {166#false} is VALID [2020-07-17 21:21:22,081 INFO L280 TraceCheckUtils]: 28: Hoare triple {166#false} assume !(0 != ~pumpRunning~0); {166#false} is VALID [2020-07-17 21:21:22,081 INFO L280 TraceCheckUtils]: 29: Hoare triple {166#false} assume !(0 != ~systemActive~0); {166#false} is VALID [2020-07-17 21:21:22,081 INFO L263 TraceCheckUtils]: 30: Hoare triple {166#false} call __utac_acc__Specification3_spec__1(); {166#false} is VALID [2020-07-17 21:21:22,082 INFO L280 TraceCheckUtils]: 31: Hoare triple {166#false} havoc ~tmp~7;havoc ~tmp___0~1;havoc ~tmp___1~1; {166#false} is VALID [2020-07-17 21:21:22,082 INFO L263 TraceCheckUtils]: 32: Hoare triple {166#false} call #t~ret69 := isMethaneLevelCritical(); {165#true} is VALID [2020-07-17 21:21:22,082 INFO L280 TraceCheckUtils]: 33: Hoare triple {165#true} havoc ~retValue_acc~5;~retValue_acc~5 := ~methaneLevelCritical~0;#res := ~retValue_acc~5; {165#true} is VALID [2020-07-17 21:21:22,083 INFO L280 TraceCheckUtils]: 34: Hoare triple {165#true} assume true; {165#true} is VALID [2020-07-17 21:21:22,083 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {165#true} {166#false} #490#return; {166#false} is VALID [2020-07-17 21:21:22,083 INFO L280 TraceCheckUtils]: 36: Hoare triple {166#false} assume -2147483648 <= #t~ret69 && #t~ret69 <= 2147483647;~tmp~7 := #t~ret69;havoc #t~ret69; {166#false} is VALID [2020-07-17 21:21:22,084 INFO L280 TraceCheckUtils]: 37: Hoare triple {166#false} assume !(0 != ~tmp~7); {166#false} is VALID [2020-07-17 21:21:22,084 INFO L263 TraceCheckUtils]: 38: Hoare triple {166#false} call #t~ret70 := getWaterLevel(); {165#true} is VALID [2020-07-17 21:21:22,084 INFO L280 TraceCheckUtils]: 39: Hoare triple {165#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~waterLevel~0;#res := ~retValue_acc~6; {165#true} is VALID [2020-07-17 21:21:22,085 INFO L280 TraceCheckUtils]: 40: Hoare triple {165#true} assume true; {165#true} is VALID [2020-07-17 21:21:22,085 INFO L275 TraceCheckUtils]: 41: Hoare quadruple {165#true} {166#false} #492#return; {166#false} is VALID [2020-07-17 21:21:22,085 INFO L280 TraceCheckUtils]: 42: Hoare triple {166#false} assume -2147483648 <= #t~ret70 && #t~ret70 <= 2147483647;~tmp___0~1 := #t~ret70;havoc #t~ret70; {166#false} is VALID [2020-07-17 21:21:22,086 INFO L280 TraceCheckUtils]: 43: Hoare triple {166#false} assume 2 == ~tmp___0~1; {166#false} is VALID [2020-07-17 21:21:22,086 INFO L263 TraceCheckUtils]: 44: Hoare triple {166#false} call #t~ret71 := isPumpRunning(); {165#true} is VALID [2020-07-17 21:21:22,086 INFO L280 TraceCheckUtils]: 45: Hoare triple {165#true} havoc ~retValue_acc~1;~retValue_acc~1 := ~pumpRunning~0;#res := ~retValue_acc~1; {165#true} is VALID [2020-07-17 21:21:22,087 INFO L280 TraceCheckUtils]: 46: Hoare triple {165#true} assume true; {165#true} is VALID [2020-07-17 21:21:22,087 INFO L275 TraceCheckUtils]: 47: Hoare quadruple {165#true} {166#false} #494#return; {166#false} is VALID [2020-07-17 21:21:22,087 INFO L280 TraceCheckUtils]: 48: Hoare triple {166#false} assume -2147483648 <= #t~ret71 && #t~ret71 <= 2147483647;~tmp___1~1 := #t~ret71;havoc #t~ret71; {166#false} is VALID [2020-07-17 21:21:22,087 INFO L280 TraceCheckUtils]: 49: Hoare triple {166#false} assume !(0 != ~tmp___1~1); {166#false} is VALID [2020-07-17 21:21:22,088 INFO L263 TraceCheckUtils]: 50: Hoare triple {166#false} call __automaton_fail(); {166#false} is VALID [2020-07-17 21:21:22,088 INFO L280 TraceCheckUtils]: 51: Hoare triple {166#false} assume !false; {166#false} is VALID [2020-07-17 21:21:22,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 21:21:22,097 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304873040] [2020-07-17 21:21:22,098 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 21:21:22,098 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-17 21:21:22,099 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478449352] [2020-07-17 21:21:22,105 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-17 21:21:22,108 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 21:21:22,112 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-17 21:21:22,215 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 52 edges. 52 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 21:21:22,215 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-17 21:21:22,215 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 21:21:22,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-17 21:21:22,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-17 21:21:22,227 INFO L87 Difference]: Start difference. First operand 162 states. Second operand 3 states. [2020-07-17 21:21:26,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:21:26,218 INFO L93 Difference]: Finished difference Result 263 states and 350 transitions. [2020-07-17 21:21:26,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-17 21:21:26,218 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-17 21:21:26,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 21:21:26,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-17 21:21:26,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 350 transitions. [2020-07-17 21:21:26,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-17 21:21:26,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 350 transitions. [2020-07-17 21:21:26,266 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 350 transitions. [2020-07-17 21:21:27,419 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 350 edges. 350 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 21:21:27,443 INFO L225 Difference]: With dead ends: 263 [2020-07-17 21:21:27,443 INFO L226 Difference]: Without dead ends: 143 [2020-07-17 21:21:27,448 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 [2020-07-17 21:21:27,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2020-07-17 21:21:28,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 111. [2020-07-17 21:21:28,672 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 21:21:28,673 INFO L82 GeneralOperation]: Start isEquivalent. First operand 143 states. Second operand 111 states. [2020-07-17 21:21:28,674 INFO L74 IsIncluded]: Start isIncluded. First operand 143 states. Second operand 111 states. [2020-07-17 21:21:28,674 INFO L87 Difference]: Start difference. First operand 143 states. Second operand 111 states. [2020-07-17 21:21:28,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:21:28,690 INFO L93 Difference]: Finished difference Result 143 states and 182 transitions. [2020-07-17 21:21:28,690 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 182 transitions. [2020-07-17 21:21:28,693 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 21:21:28,693 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 21:21:28,694 INFO L74 IsIncluded]: Start isIncluded. First operand 111 states. Second operand 143 states. [2020-07-17 21:21:28,694 INFO L87 Difference]: Start difference. First operand 111 states. Second operand 143 states. [2020-07-17 21:21:28,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:21:28,706 INFO L93 Difference]: Finished difference Result 143 states and 182 transitions. [2020-07-17 21:21:28,706 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 182 transitions. [2020-07-17 21:21:28,709 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 21:21:28,709 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 21:21:28,709 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 21:21:28,710 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 21:21:28,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-07-17 21:21:28,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 131 transitions. [2020-07-17 21:21:28,718 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 131 transitions. Word has length 52 [2020-07-17 21:21:28,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 21:21:28,719 INFO L479 AbstractCegarLoop]: Abstraction has 111 states and 131 transitions. [2020-07-17 21:21:28,719 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-17 21:21:28,719 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 131 transitions. [2020-07-17 21:21:28,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-07-17 21:21:28,721 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 21:21:28,721 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 21:21:28,722 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 21:21:28,722 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 21:21:28,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 21:21:28,723 INFO L82 PathProgramCache]: Analyzing trace with hash 780273255, now seen corresponding path program 1 times [2020-07-17 21:21:28,723 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 21:21:28,723 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547085586] [2020-07-17 21:21:28,723 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 21:21:28,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:29,062 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 21:21:29,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:29,137 INFO L280 TraceCheckUtils]: 0: Hoare triple {1029#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string51.base| |old(#t~string51.base)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(110, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 2 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 3 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(80, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(117, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(109, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(112, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(32, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string18.base, #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 1 + #t~string18.offset, 1);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(30);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(21);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(30);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(9);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(21);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(30);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(9);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(25);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(25);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(13);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(77, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(101, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(116, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(104, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string63.base, #t~string63.offset, 1);call write~init~int(82, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(73, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(84, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 4 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(75, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; {1005#true} is VALID [2020-07-17 21:21:29,137 INFO L280 TraceCheckUtils]: 1: Hoare triple {1005#true} assume true; {1005#true} is VALID [2020-07-17 21:21:29,138 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1005#true} {1005#true} #498#return; {1005#true} is VALID [2020-07-17 21:21:29,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:29,141 INFO L280 TraceCheckUtils]: 0: Hoare triple {1005#true} assume true; {1005#true} is VALID [2020-07-17 21:21:29,142 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1005#true} {1005#true} #406#return; {1005#true} is VALID [2020-07-17 21:21:29,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:29,144 INFO L280 TraceCheckUtils]: 0: Hoare triple {1005#true} assume true; {1005#true} is VALID [2020-07-17 21:21:29,145 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1005#true} {1005#true} #408#return; {1005#true} is VALID [2020-07-17 21:21:29,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:29,157 INFO L280 TraceCheckUtils]: 0: Hoare triple {1005#true} havoc ~retValue_acc~9;~retValue_acc~9 := 1;#res := ~retValue_acc~9; {1005#true} is VALID [2020-07-17 21:21:29,158 INFO L280 TraceCheckUtils]: 1: Hoare triple {1005#true} assume true; {1005#true} is VALID [2020-07-17 21:21:29,159 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1005#true} {1005#true} #410#return; {1005#true} is VALID [2020-07-17 21:21:29,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:29,162 INFO L280 TraceCheckUtils]: 0: Hoare triple {1005#true} assume true; {1005#true} is VALID [2020-07-17 21:21:29,162 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1005#true} {1005#true} #412#return; {1005#true} is VALID [2020-07-17 21:21:29,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:29,166 INFO L280 TraceCheckUtils]: 0: Hoare triple {1005#true} havoc ~retValue_acc~5;~retValue_acc~5 := ~methaneLevelCritical~0;#res := ~retValue_acc~5; {1005#true} is VALID [2020-07-17 21:21:29,167 INFO L280 TraceCheckUtils]: 1: Hoare triple {1005#true} assume true; {1005#true} is VALID [2020-07-17 21:21:29,167 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1005#true} {1006#false} #490#return; {1006#false} is VALID [2020-07-17 21:21:29,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:29,172 INFO L280 TraceCheckUtils]: 0: Hoare triple {1005#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~waterLevel~0;#res := ~retValue_acc~6; {1005#true} is VALID [2020-07-17 21:21:29,173 INFO L280 TraceCheckUtils]: 1: Hoare triple {1005#true} assume true; {1005#true} is VALID [2020-07-17 21:21:29,173 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1005#true} {1006#false} #492#return; {1006#false} is VALID [2020-07-17 21:21:29,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:29,177 INFO L280 TraceCheckUtils]: 0: Hoare triple {1005#true} havoc ~retValue_acc~1;~retValue_acc~1 := ~pumpRunning~0;#res := ~retValue_acc~1; {1005#true} is VALID [2020-07-17 21:21:29,177 INFO L280 TraceCheckUtils]: 1: Hoare triple {1005#true} assume true; {1005#true} is VALID [2020-07-17 21:21:29,177 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1005#true} {1006#false} #494#return; {1006#false} is VALID [2020-07-17 21:21:29,181 INFO L263 TraceCheckUtils]: 0: Hoare triple {1005#true} call ULTIMATE.init(); {1029#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string51.base| |old(#t~string51.base)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|))} is VALID [2020-07-17 21:21:29,182 INFO L280 TraceCheckUtils]: 1: Hoare triple {1029#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string51.base| |old(#t~string51.base)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(110, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 2 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 3 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(80, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(117, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(109, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(112, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(32, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string18.base, #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 1 + #t~string18.offset, 1);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(30);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(21);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(30);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(9);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(21);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(30);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(9);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(25);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(25);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(13);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(77, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(101, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(116, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(104, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string63.base, #t~string63.offset, 1);call write~init~int(82, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(73, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(84, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 4 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(75, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; {1005#true} is VALID [2020-07-17 21:21:29,182 INFO L280 TraceCheckUtils]: 2: Hoare triple {1005#true} assume true; {1005#true} is VALID [2020-07-17 21:21:29,182 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {1005#true} {1005#true} #498#return; {1005#true} is VALID [2020-07-17 21:21:29,182 INFO L263 TraceCheckUtils]: 4: Hoare triple {1005#true} call #t~ret73 := main(); {1005#true} is VALID [2020-07-17 21:21:29,183 INFO L280 TraceCheckUtils]: 5: Hoare triple {1005#true} havoc ~retValue_acc~7;havoc ~tmp~6; {1005#true} is VALID [2020-07-17 21:21:29,183 INFO L263 TraceCheckUtils]: 6: Hoare triple {1005#true} call select_helpers(); {1005#true} is VALID [2020-07-17 21:21:29,183 INFO L280 TraceCheckUtils]: 7: Hoare triple {1005#true} assume true; {1005#true} is VALID [2020-07-17 21:21:29,184 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {1005#true} {1005#true} #406#return; {1005#true} is VALID [2020-07-17 21:21:29,184 INFO L263 TraceCheckUtils]: 9: Hoare triple {1005#true} call select_features(); {1005#true} is VALID [2020-07-17 21:21:29,184 INFO L280 TraceCheckUtils]: 10: Hoare triple {1005#true} assume true; {1005#true} is VALID [2020-07-17 21:21:29,184 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {1005#true} {1005#true} #408#return; {1005#true} is VALID [2020-07-17 21:21:29,185 INFO L263 TraceCheckUtils]: 12: Hoare triple {1005#true} call #t~ret68 := valid_product(); {1005#true} is VALID [2020-07-17 21:21:29,185 INFO L280 TraceCheckUtils]: 13: Hoare triple {1005#true} havoc ~retValue_acc~9;~retValue_acc~9 := 1;#res := ~retValue_acc~9; {1005#true} is VALID [2020-07-17 21:21:29,185 INFO L280 TraceCheckUtils]: 14: Hoare triple {1005#true} assume true; {1005#true} is VALID [2020-07-17 21:21:29,186 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {1005#true} {1005#true} #410#return; {1005#true} is VALID [2020-07-17 21:21:29,186 INFO L280 TraceCheckUtils]: 16: Hoare triple {1005#true} assume -2147483648 <= #t~ret68 && #t~ret68 <= 2147483647;~tmp~6 := #t~ret68;havoc #t~ret68; {1005#true} is VALID [2020-07-17 21:21:29,186 INFO L280 TraceCheckUtils]: 17: Hoare triple {1005#true} assume 0 != ~tmp~6; {1005#true} is VALID [2020-07-17 21:21:29,186 INFO L263 TraceCheckUtils]: 18: Hoare triple {1005#true} call setup(); {1005#true} is VALID [2020-07-17 21:21:29,187 INFO L280 TraceCheckUtils]: 19: Hoare triple {1005#true} assume true; {1005#true} is VALID [2020-07-17 21:21:29,187 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {1005#true} {1005#true} #412#return; {1005#true} is VALID [2020-07-17 21:21:29,187 INFO L263 TraceCheckUtils]: 21: Hoare triple {1005#true} call runTest(); {1005#true} is VALID [2020-07-17 21:21:29,188 INFO L263 TraceCheckUtils]: 22: Hoare triple {1005#true} call test(); {1005#true} is VALID [2020-07-17 21:21:29,189 INFO L280 TraceCheckUtils]: 23: Hoare triple {1005#true} havoc ~splverifierCounter~0;havoc ~tmp~2;havoc ~tmp___0~0;havoc ~tmp___1~0;havoc ~tmp___2~0;~splverifierCounter~0 := 0; {1019#(= 0 test_~splverifierCounter~0)} is VALID [2020-07-17 21:21:29,190 INFO L280 TraceCheckUtils]: 24: Hoare triple {1019#(= 0 test_~splverifierCounter~0)} assume !false; {1019#(= 0 test_~splverifierCounter~0)} is VALID [2020-07-17 21:21:29,190 INFO L280 TraceCheckUtils]: 25: Hoare triple {1019#(= 0 test_~splverifierCounter~0)} assume !(~splverifierCounter~0 < 4); {1006#false} is VALID [2020-07-17 21:21:29,190 INFO L263 TraceCheckUtils]: 26: Hoare triple {1006#false} call cleanup(); {1006#false} is VALID [2020-07-17 21:21:29,191 INFO L280 TraceCheckUtils]: 27: Hoare triple {1006#false} havoc ~i~0;havoc ~__cil_tmp2~0; {1006#false} is VALID [2020-07-17 21:21:29,191 INFO L263 TraceCheckUtils]: 28: Hoare triple {1006#false} call timeShift(); {1006#false} is VALID [2020-07-17 21:21:29,191 INFO L280 TraceCheckUtils]: 29: Hoare triple {1006#false} assume !(0 != ~pumpRunning~0); {1006#false} is VALID [2020-07-17 21:21:29,192 INFO L280 TraceCheckUtils]: 30: Hoare triple {1006#false} assume !(0 != ~systemActive~0); {1006#false} is VALID [2020-07-17 21:21:29,192 INFO L263 TraceCheckUtils]: 31: Hoare triple {1006#false} call __utac_acc__Specification3_spec__1(); {1006#false} is VALID [2020-07-17 21:21:29,195 INFO L280 TraceCheckUtils]: 32: Hoare triple {1006#false} havoc ~tmp~7;havoc ~tmp___0~1;havoc ~tmp___1~1; {1006#false} is VALID [2020-07-17 21:21:29,196 INFO L263 TraceCheckUtils]: 33: Hoare triple {1006#false} call #t~ret69 := isMethaneLevelCritical(); {1005#true} is VALID [2020-07-17 21:21:29,196 INFO L280 TraceCheckUtils]: 34: Hoare triple {1005#true} havoc ~retValue_acc~5;~retValue_acc~5 := ~methaneLevelCritical~0;#res := ~retValue_acc~5; {1005#true} is VALID [2020-07-17 21:21:29,196 INFO L280 TraceCheckUtils]: 35: Hoare triple {1005#true} assume true; {1005#true} is VALID [2020-07-17 21:21:29,196 INFO L275 TraceCheckUtils]: 36: Hoare quadruple {1005#true} {1006#false} #490#return; {1006#false} is VALID [2020-07-17 21:21:29,197 INFO L280 TraceCheckUtils]: 37: Hoare triple {1006#false} assume -2147483648 <= #t~ret69 && #t~ret69 <= 2147483647;~tmp~7 := #t~ret69;havoc #t~ret69; {1006#false} is VALID [2020-07-17 21:21:29,197 INFO L280 TraceCheckUtils]: 38: Hoare triple {1006#false} assume !(0 != ~tmp~7); {1006#false} is VALID [2020-07-17 21:21:29,197 INFO L263 TraceCheckUtils]: 39: Hoare triple {1006#false} call #t~ret70 := getWaterLevel(); {1005#true} is VALID [2020-07-17 21:21:29,197 INFO L280 TraceCheckUtils]: 40: Hoare triple {1005#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~waterLevel~0;#res := ~retValue_acc~6; {1005#true} is VALID [2020-07-17 21:21:29,198 INFO L280 TraceCheckUtils]: 41: Hoare triple {1005#true} assume true; {1005#true} is VALID [2020-07-17 21:21:29,198 INFO L275 TraceCheckUtils]: 42: Hoare quadruple {1005#true} {1006#false} #492#return; {1006#false} is VALID [2020-07-17 21:21:29,198 INFO L280 TraceCheckUtils]: 43: Hoare triple {1006#false} assume -2147483648 <= #t~ret70 && #t~ret70 <= 2147483647;~tmp___0~1 := #t~ret70;havoc #t~ret70; {1006#false} is VALID [2020-07-17 21:21:29,198 INFO L280 TraceCheckUtils]: 44: Hoare triple {1006#false} assume 2 == ~tmp___0~1; {1006#false} is VALID [2020-07-17 21:21:29,198 INFO L263 TraceCheckUtils]: 45: Hoare triple {1006#false} call #t~ret71 := isPumpRunning(); {1005#true} is VALID [2020-07-17 21:21:29,199 INFO L280 TraceCheckUtils]: 46: Hoare triple {1005#true} havoc ~retValue_acc~1;~retValue_acc~1 := ~pumpRunning~0;#res := ~retValue_acc~1; {1005#true} is VALID [2020-07-17 21:21:29,199 INFO L280 TraceCheckUtils]: 47: Hoare triple {1005#true} assume true; {1005#true} is VALID [2020-07-17 21:21:29,199 INFO L275 TraceCheckUtils]: 48: Hoare quadruple {1005#true} {1006#false} #494#return; {1006#false} is VALID [2020-07-17 21:21:29,199 INFO L280 TraceCheckUtils]: 49: Hoare triple {1006#false} assume -2147483648 <= #t~ret71 && #t~ret71 <= 2147483647;~tmp___1~1 := #t~ret71;havoc #t~ret71; {1006#false} is VALID [2020-07-17 21:21:29,200 INFO L280 TraceCheckUtils]: 50: Hoare triple {1006#false} assume !(0 != ~tmp___1~1); {1006#false} is VALID [2020-07-17 21:21:29,200 INFO L263 TraceCheckUtils]: 51: Hoare triple {1006#false} call __automaton_fail(); {1006#false} is VALID [2020-07-17 21:21:29,200 INFO L280 TraceCheckUtils]: 52: Hoare triple {1006#false} assume !false; {1006#false} is VALID [2020-07-17 21:21:29,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 21:21:29,206 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547085586] [2020-07-17 21:21:29,207 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 21:21:29,207 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-17 21:21:29,207 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78284357] [2020-07-17 21:21:29,209 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2020-07-17 21:21:29,210 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 21:21:29,210 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-17 21:21:29,285 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 53 edges. 53 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 21:21:29,285 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-17 21:21:29,286 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 21:21:29,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-17 21:21:29,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-17 21:21:29,286 INFO L87 Difference]: Start difference. First operand 111 states and 131 transitions. Second operand 4 states. [2020-07-17 21:21:30,537 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 21:21:33,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:21:33,488 INFO L93 Difference]: Finished difference Result 190 states and 233 transitions. [2020-07-17 21:21:33,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-17 21:21:33,488 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2020-07-17 21:21:33,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 21:21:33,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-17 21:21:33,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 233 transitions. [2020-07-17 21:21:33,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-17 21:21:33,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 233 transitions. [2020-07-17 21:21:33,502 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 233 transitions. [2020-07-17 21:21:34,284 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 233 edges. 233 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 21:21:34,290 INFO L225 Difference]: With dead ends: 190 [2020-07-17 21:21:34,290 INFO L226 Difference]: Without dead ends: 127 [2020-07-17 21:21:34,291 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-17 21:21:34,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2020-07-17 21:21:35,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 102. [2020-07-17 21:21:35,431 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 21:21:35,431 INFO L82 GeneralOperation]: Start isEquivalent. First operand 127 states. Second operand 102 states. [2020-07-17 21:21:35,431 INFO L74 IsIncluded]: Start isIncluded. First operand 127 states. Second operand 102 states. [2020-07-17 21:21:35,431 INFO L87 Difference]: Start difference. First operand 127 states. Second operand 102 states. [2020-07-17 21:21:35,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:21:35,440 INFO L93 Difference]: Finished difference Result 127 states and 158 transitions. [2020-07-17 21:21:35,440 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 158 transitions. [2020-07-17 21:21:35,441 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 21:21:35,441 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 21:21:35,442 INFO L74 IsIncluded]: Start isIncluded. First operand 102 states. Second operand 127 states. [2020-07-17 21:21:35,445 INFO L87 Difference]: Start difference. First operand 102 states. Second operand 127 states. [2020-07-17 21:21:35,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:21:35,455 INFO L93 Difference]: Finished difference Result 127 states and 158 transitions. [2020-07-17 21:21:35,456 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 158 transitions. [2020-07-17 21:21:35,466 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 21:21:35,466 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 21:21:35,466 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 21:21:35,466 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 21:21:35,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2020-07-17 21:21:35,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 119 transitions. [2020-07-17 21:21:35,476 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 119 transitions. Word has length 53 [2020-07-17 21:21:35,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 21:21:35,478 INFO L479 AbstractCegarLoop]: Abstraction has 102 states and 119 transitions. [2020-07-17 21:21:35,478 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-17 21:21:35,478 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 119 transitions. [2020-07-17 21:21:35,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-17 21:21:35,483 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 21:21:35,483 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 21:21:35,483 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 21:21:35,483 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 21:21:35,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 21:21:35,484 INFO L82 PathProgramCache]: Analyzing trace with hash 1294233432, now seen corresponding path program 1 times [2020-07-17 21:21:35,484 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 21:21:35,484 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224179495] [2020-07-17 21:21:35,484 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 21:21:35,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:35,914 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 21:21:35,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:36,010 INFO L280 TraceCheckUtils]: 0: Hoare triple {1736#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string51.base| |old(#t~string51.base)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(110, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 2 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 3 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(80, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(117, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(109, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(112, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(32, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string18.base, #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 1 + #t~string18.offset, 1);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(30);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(21);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(30);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(9);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(21);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(30);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(9);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(25);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(25);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(13);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(77, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(101, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(116, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(104, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string63.base, #t~string63.offset, 1);call write~init~int(82, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(73, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(84, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 4 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(75, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; {1714#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:21:36,011 INFO L280 TraceCheckUtils]: 1: Hoare triple {1714#(= 1 ~systemActive~0)} assume true; {1714#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:21:36,012 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1714#(= 1 ~systemActive~0)} {1709#true} #498#return; {1714#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:21:36,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:36,016 INFO L280 TraceCheckUtils]: 0: Hoare triple {1709#true} assume true; {1709#true} is VALID [2020-07-17 21:21:36,017 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1709#true} {1714#(= 1 ~systemActive~0)} #406#return; {1714#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:21:36,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:36,022 INFO L280 TraceCheckUtils]: 0: Hoare triple {1709#true} assume true; {1709#true} is VALID [2020-07-17 21:21:36,022 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1709#true} {1714#(= 1 ~systemActive~0)} #408#return; {1714#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:21:36,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:36,046 INFO L280 TraceCheckUtils]: 0: Hoare triple {1709#true} havoc ~retValue_acc~9;~retValue_acc~9 := 1;#res := ~retValue_acc~9; {1737#(= 1 |valid_product_#res|)} is VALID [2020-07-17 21:21:36,047 INFO L280 TraceCheckUtils]: 1: Hoare triple {1737#(= 1 |valid_product_#res|)} assume true; {1737#(= 1 |valid_product_#res|)} is VALID [2020-07-17 21:21:36,048 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1737#(= 1 |valid_product_#res|)} {1714#(= 1 ~systemActive~0)} #410#return; {1722#(= |main_#t~ret68| ~systemActive~0)} is VALID [2020-07-17 21:21:36,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:36,051 INFO L280 TraceCheckUtils]: 0: Hoare triple {1709#true} assume true; {1709#true} is VALID [2020-07-17 21:21:36,052 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1709#true} {1724#(not (= 0 ~systemActive~0))} #412#return; {1724#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:21:36,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:36,055 INFO L280 TraceCheckUtils]: 0: Hoare triple {1709#true} havoc ~retValue_acc~5;~retValue_acc~5 := ~methaneLevelCritical~0;#res := ~retValue_acc~5; {1709#true} is VALID [2020-07-17 21:21:36,055 INFO L280 TraceCheckUtils]: 1: Hoare triple {1709#true} assume true; {1709#true} is VALID [2020-07-17 21:21:36,055 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1709#true} {1710#false} #490#return; {1710#false} is VALID [2020-07-17 21:21:36,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:36,058 INFO L280 TraceCheckUtils]: 0: Hoare triple {1709#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~waterLevel~0;#res := ~retValue_acc~6; {1709#true} is VALID [2020-07-17 21:21:36,058 INFO L280 TraceCheckUtils]: 1: Hoare triple {1709#true} assume true; {1709#true} is VALID [2020-07-17 21:21:36,059 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1709#true} {1710#false} #492#return; {1710#false} is VALID [2020-07-17 21:21:36,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:36,061 INFO L280 TraceCheckUtils]: 0: Hoare triple {1709#true} havoc ~retValue_acc~1;~retValue_acc~1 := ~pumpRunning~0;#res := ~retValue_acc~1; {1709#true} is VALID [2020-07-17 21:21:36,062 INFO L280 TraceCheckUtils]: 1: Hoare triple {1709#true} assume true; {1709#true} is VALID [2020-07-17 21:21:36,062 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1709#true} {1710#false} #494#return; {1710#false} is VALID [2020-07-17 21:21:36,067 INFO L263 TraceCheckUtils]: 0: Hoare triple {1709#true} call ULTIMATE.init(); {1736#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string51.base| |old(#t~string51.base)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|))} is VALID [2020-07-17 21:21:36,072 INFO L280 TraceCheckUtils]: 1: Hoare triple {1736#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string51.base| |old(#t~string51.base)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(110, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 2 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 3 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(80, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(117, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(109, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(112, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(32, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string18.base, #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 1 + #t~string18.offset, 1);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(30);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(21);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(30);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(9);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(21);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(30);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(9);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(25);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(25);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(13);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(77, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(101, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(116, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(104, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string63.base, #t~string63.offset, 1);call write~init~int(82, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(73, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(84, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 4 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(75, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; {1714#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:21:36,073 INFO L280 TraceCheckUtils]: 2: Hoare triple {1714#(= 1 ~systemActive~0)} assume true; {1714#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:21:36,073 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {1714#(= 1 ~systemActive~0)} {1709#true} #498#return; {1714#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:21:36,074 INFO L263 TraceCheckUtils]: 4: Hoare triple {1714#(= 1 ~systemActive~0)} call #t~ret73 := main(); {1714#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:21:36,075 INFO L280 TraceCheckUtils]: 5: Hoare triple {1714#(= 1 ~systemActive~0)} havoc ~retValue_acc~7;havoc ~tmp~6; {1714#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:21:36,075 INFO L263 TraceCheckUtils]: 6: Hoare triple {1714#(= 1 ~systemActive~0)} call select_helpers(); {1709#true} is VALID [2020-07-17 21:21:36,075 INFO L280 TraceCheckUtils]: 7: Hoare triple {1709#true} assume true; {1709#true} is VALID [2020-07-17 21:21:36,076 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {1709#true} {1714#(= 1 ~systemActive~0)} #406#return; {1714#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:21:36,076 INFO L263 TraceCheckUtils]: 9: Hoare triple {1714#(= 1 ~systemActive~0)} call select_features(); {1709#true} is VALID [2020-07-17 21:21:36,076 INFO L280 TraceCheckUtils]: 10: Hoare triple {1709#true} assume true; {1709#true} is VALID [2020-07-17 21:21:36,077 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {1709#true} {1714#(= 1 ~systemActive~0)} #408#return; {1714#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:21:36,077 INFO L263 TraceCheckUtils]: 12: Hoare triple {1714#(= 1 ~systemActive~0)} call #t~ret68 := valid_product(); {1709#true} is VALID [2020-07-17 21:21:36,078 INFO L280 TraceCheckUtils]: 13: Hoare triple {1709#true} havoc ~retValue_acc~9;~retValue_acc~9 := 1;#res := ~retValue_acc~9; {1737#(= 1 |valid_product_#res|)} is VALID [2020-07-17 21:21:36,078 INFO L280 TraceCheckUtils]: 14: Hoare triple {1737#(= 1 |valid_product_#res|)} assume true; {1737#(= 1 |valid_product_#res|)} is VALID [2020-07-17 21:21:36,079 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {1737#(= 1 |valid_product_#res|)} {1714#(= 1 ~systemActive~0)} #410#return; {1722#(= |main_#t~ret68| ~systemActive~0)} is VALID [2020-07-17 21:21:36,080 INFO L280 TraceCheckUtils]: 16: Hoare triple {1722#(= |main_#t~ret68| ~systemActive~0)} assume -2147483648 <= #t~ret68 && #t~ret68 <= 2147483647;~tmp~6 := #t~ret68;havoc #t~ret68; {1723#(= main_~tmp~6 ~systemActive~0)} is VALID [2020-07-17 21:21:36,081 INFO L280 TraceCheckUtils]: 17: Hoare triple {1723#(= main_~tmp~6 ~systemActive~0)} assume 0 != ~tmp~6; {1724#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:21:36,081 INFO L263 TraceCheckUtils]: 18: Hoare triple {1724#(not (= 0 ~systemActive~0))} call setup(); {1709#true} is VALID [2020-07-17 21:21:36,081 INFO L280 TraceCheckUtils]: 19: Hoare triple {1709#true} assume true; {1709#true} is VALID [2020-07-17 21:21:36,082 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {1709#true} {1724#(not (= 0 ~systemActive~0))} #412#return; {1724#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:21:36,082 INFO L263 TraceCheckUtils]: 21: Hoare triple {1724#(not (= 0 ~systemActive~0))} call runTest(); {1724#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:21:36,083 INFO L263 TraceCheckUtils]: 22: Hoare triple {1724#(not (= 0 ~systemActive~0))} call test(); {1724#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:21:36,084 INFO L280 TraceCheckUtils]: 23: Hoare triple {1724#(not (= 0 ~systemActive~0))} havoc ~splverifierCounter~0;havoc ~tmp~2;havoc ~tmp___0~0;havoc ~tmp___1~0;havoc ~tmp___2~0;~splverifierCounter~0 := 0; {1724#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:21:36,084 INFO L280 TraceCheckUtils]: 24: Hoare triple {1724#(not (= 0 ~systemActive~0))} assume !false; {1724#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:21:36,085 INFO L280 TraceCheckUtils]: 25: Hoare triple {1724#(not (= 0 ~systemActive~0))} assume ~splverifierCounter~0 < 4; {1724#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:21:36,085 INFO L280 TraceCheckUtils]: 26: Hoare triple {1724#(not (= 0 ~systemActive~0))} assume -2147483648 <= #t~nondet19 && #t~nondet19 <= 2147483647;~tmp~2 := #t~nondet19;havoc #t~nondet19; {1724#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:21:36,086 INFO L280 TraceCheckUtils]: 27: Hoare triple {1724#(not (= 0 ~systemActive~0))} assume !(0 != ~tmp~2); {1724#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:21:36,087 INFO L280 TraceCheckUtils]: 28: Hoare triple {1724#(not (= 0 ~systemActive~0))} assume -2147483648 <= #t~nondet20 && #t~nondet20 <= 2147483647;~tmp___0~0 := #t~nondet20;havoc #t~nondet20; {1724#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:21:36,087 INFO L280 TraceCheckUtils]: 29: Hoare triple {1724#(not (= 0 ~systemActive~0))} assume !(0 != ~tmp___0~0); {1724#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:21:36,088 INFO L280 TraceCheckUtils]: 30: Hoare triple {1724#(not (= 0 ~systemActive~0))} assume -2147483648 <= #t~nondet21 && #t~nondet21 <= 2147483647;~tmp___2~0 := #t~nondet21;havoc #t~nondet21; {1724#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:21:36,088 INFO L280 TraceCheckUtils]: 31: Hoare triple {1724#(not (= 0 ~systemActive~0))} assume 0 != ~tmp___2~0; {1724#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:21:36,089 INFO L263 TraceCheckUtils]: 32: Hoare triple {1724#(not (= 0 ~systemActive~0))} call timeShift(); {1724#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:21:36,090 INFO L280 TraceCheckUtils]: 33: Hoare triple {1724#(not (= 0 ~systemActive~0))} assume !(0 != ~pumpRunning~0); {1724#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:21:36,090 INFO L280 TraceCheckUtils]: 34: Hoare triple {1724#(not (= 0 ~systemActive~0))} assume !(0 != ~systemActive~0); {1710#false} is VALID [2020-07-17 21:21:36,090 INFO L263 TraceCheckUtils]: 35: Hoare triple {1710#false} call __utac_acc__Specification3_spec__1(); {1710#false} is VALID [2020-07-17 21:21:36,091 INFO L280 TraceCheckUtils]: 36: Hoare triple {1710#false} havoc ~tmp~7;havoc ~tmp___0~1;havoc ~tmp___1~1; {1710#false} is VALID [2020-07-17 21:21:36,091 INFO L263 TraceCheckUtils]: 37: Hoare triple {1710#false} call #t~ret69 := isMethaneLevelCritical(); {1709#true} is VALID [2020-07-17 21:21:36,091 INFO L280 TraceCheckUtils]: 38: Hoare triple {1709#true} havoc ~retValue_acc~5;~retValue_acc~5 := ~methaneLevelCritical~0;#res := ~retValue_acc~5; {1709#true} is VALID [2020-07-17 21:21:36,091 INFO L280 TraceCheckUtils]: 39: Hoare triple {1709#true} assume true; {1709#true} is VALID [2020-07-17 21:21:36,092 INFO L275 TraceCheckUtils]: 40: Hoare quadruple {1709#true} {1710#false} #490#return; {1710#false} is VALID [2020-07-17 21:21:36,092 INFO L280 TraceCheckUtils]: 41: Hoare triple {1710#false} assume -2147483648 <= #t~ret69 && #t~ret69 <= 2147483647;~tmp~7 := #t~ret69;havoc #t~ret69; {1710#false} is VALID [2020-07-17 21:21:36,092 INFO L280 TraceCheckUtils]: 42: Hoare triple {1710#false} assume !(0 != ~tmp~7); {1710#false} is VALID [2020-07-17 21:21:36,092 INFO L263 TraceCheckUtils]: 43: Hoare triple {1710#false} call #t~ret70 := getWaterLevel(); {1709#true} is VALID [2020-07-17 21:21:36,092 INFO L280 TraceCheckUtils]: 44: Hoare triple {1709#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~waterLevel~0;#res := ~retValue_acc~6; {1709#true} is VALID [2020-07-17 21:21:36,093 INFO L280 TraceCheckUtils]: 45: Hoare triple {1709#true} assume true; {1709#true} is VALID [2020-07-17 21:21:36,093 INFO L275 TraceCheckUtils]: 46: Hoare quadruple {1709#true} {1710#false} #492#return; {1710#false} is VALID [2020-07-17 21:21:36,093 INFO L280 TraceCheckUtils]: 47: Hoare triple {1710#false} assume -2147483648 <= #t~ret70 && #t~ret70 <= 2147483647;~tmp___0~1 := #t~ret70;havoc #t~ret70; {1710#false} is VALID [2020-07-17 21:21:36,093 INFO L280 TraceCheckUtils]: 48: Hoare triple {1710#false} assume 2 == ~tmp___0~1; {1710#false} is VALID [2020-07-17 21:21:36,094 INFO L263 TraceCheckUtils]: 49: Hoare triple {1710#false} call #t~ret71 := isPumpRunning(); {1709#true} is VALID [2020-07-17 21:21:36,094 INFO L280 TraceCheckUtils]: 50: Hoare triple {1709#true} havoc ~retValue_acc~1;~retValue_acc~1 := ~pumpRunning~0;#res := ~retValue_acc~1; {1709#true} is VALID [2020-07-17 21:21:36,094 INFO L280 TraceCheckUtils]: 51: Hoare triple {1709#true} assume true; {1709#true} is VALID [2020-07-17 21:21:36,094 INFO L275 TraceCheckUtils]: 52: Hoare quadruple {1709#true} {1710#false} #494#return; {1710#false} is VALID [2020-07-17 21:21:36,095 INFO L280 TraceCheckUtils]: 53: Hoare triple {1710#false} assume -2147483648 <= #t~ret71 && #t~ret71 <= 2147483647;~tmp___1~1 := #t~ret71;havoc #t~ret71; {1710#false} is VALID [2020-07-17 21:21:36,095 INFO L280 TraceCheckUtils]: 54: Hoare triple {1710#false} assume !(0 != ~tmp___1~1); {1710#false} is VALID [2020-07-17 21:21:36,095 INFO L263 TraceCheckUtils]: 55: Hoare triple {1710#false} call __automaton_fail(); {1710#false} is VALID [2020-07-17 21:21:36,095 INFO L280 TraceCheckUtils]: 56: Hoare triple {1710#false} assume !false; {1710#false} is VALID [2020-07-17 21:21:36,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 21:21:36,104 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224179495] [2020-07-17 21:21:36,104 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 21:21:36,104 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-17 21:21:36,104 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455604428] [2020-07-17 21:21:36,105 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 57 [2020-07-17 21:21:36,105 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 21:21:36,106 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2020-07-17 21:21:36,181 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 57 edges. 57 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 21:21:36,182 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-17 21:21:36,182 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 21:21:36,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-17 21:21:36,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-17 21:21:36,183 INFO L87 Difference]: Start difference. First operand 102 states and 119 transitions. Second operand 8 states. [2020-07-17 21:21:37,040 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 21:21:37,935 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 21:21:38,312 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 21:21:38,647 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 21:21:42,110 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 21:21:50,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:21:50,364 INFO L93 Difference]: Finished difference Result 360 states and 450 transitions. [2020-07-17 21:21:50,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-17 21:21:50,364 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 57 [2020-07-17 21:21:50,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 21:21:50,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-17 21:21:50,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 450 transitions. [2020-07-17 21:21:50,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-17 21:21:50,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 450 transitions. [2020-07-17 21:21:50,384 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states and 450 transitions. [2020-07-17 21:21:51,927 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 450 edges. 450 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 21:21:51,939 INFO L225 Difference]: With dead ends: 360 [2020-07-17 21:21:51,939 INFO L226 Difference]: Without dead ends: 282 [2020-07-17 21:21:51,941 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-07-17 21:21:51,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2020-07-17 21:21:54,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 228. [2020-07-17 21:21:54,320 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 21:21:54,320 INFO L82 GeneralOperation]: Start isEquivalent. First operand 282 states. Second operand 228 states. [2020-07-17 21:21:54,320 INFO L74 IsIncluded]: Start isIncluded. First operand 282 states. Second operand 228 states. [2020-07-17 21:21:54,320 INFO L87 Difference]: Start difference. First operand 282 states. Second operand 228 states. [2020-07-17 21:21:54,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:21:54,336 INFO L93 Difference]: Finished difference Result 282 states and 348 transitions. [2020-07-17 21:21:54,336 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 348 transitions. [2020-07-17 21:21:54,338 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 21:21:54,338 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 21:21:54,338 INFO L74 IsIncluded]: Start isIncluded. First operand 228 states. Second operand 282 states. [2020-07-17 21:21:54,339 INFO L87 Difference]: Start difference. First operand 228 states. Second operand 282 states. [2020-07-17 21:21:54,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:21:54,353 INFO L93 Difference]: Finished difference Result 282 states and 348 transitions. [2020-07-17 21:21:54,353 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 348 transitions. [2020-07-17 21:21:54,355 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 21:21:54,355 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 21:21:54,355 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 21:21:54,355 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 21:21:54,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2020-07-17 21:21:54,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 277 transitions. [2020-07-17 21:21:54,365 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 277 transitions. Word has length 57 [2020-07-17 21:21:54,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 21:21:54,366 INFO L479 AbstractCegarLoop]: Abstraction has 228 states and 277 transitions. [2020-07-17 21:21:54,366 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-17 21:21:54,366 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 277 transitions. [2020-07-17 21:21:54,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-07-17 21:21:54,367 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 21:21:54,367 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 21:21:54,368 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-17 21:21:54,368 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 21:21:54,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 21:21:54,368 INFO L82 PathProgramCache]: Analyzing trace with hash -914462432, now seen corresponding path program 1 times [2020-07-17 21:21:54,369 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 21:21:54,369 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723447371] [2020-07-17 21:21:54,369 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 21:21:54,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:54,720 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 21:21:54,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:54,791 INFO L280 TraceCheckUtils]: 0: Hoare triple {3176#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string51.base| |old(#t~string51.base)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(110, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 2 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 3 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(80, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(117, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(109, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(112, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(32, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string18.base, #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 1 + #t~string18.offset, 1);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(30);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(21);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(30);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(9);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(21);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(30);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(9);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(25);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(25);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(13);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(77, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(101, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(116, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(104, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string63.base, #t~string63.offset, 1);call write~init~int(82, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(73, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(84, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 4 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(75, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; {3151#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:54,797 INFO L280 TraceCheckUtils]: 1: Hoare triple {3151#(= 1 ~waterLevel~0)} assume true; {3151#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:54,798 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {3151#(= 1 ~waterLevel~0)} {3146#true} #498#return; {3151#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:54,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:54,806 INFO L280 TraceCheckUtils]: 0: Hoare triple {3146#true} assume true; {3146#true} is VALID [2020-07-17 21:21:54,807 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {3146#true} {3151#(= 1 ~waterLevel~0)} #406#return; {3151#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:54,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:54,812 INFO L280 TraceCheckUtils]: 0: Hoare triple {3146#true} assume true; {3146#true} is VALID [2020-07-17 21:21:54,814 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {3146#true} {3151#(= 1 ~waterLevel~0)} #408#return; {3151#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:54,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:54,823 INFO L280 TraceCheckUtils]: 0: Hoare triple {3146#true} havoc ~retValue_acc~9;~retValue_acc~9 := 1;#res := ~retValue_acc~9; {3146#true} is VALID [2020-07-17 21:21:54,824 INFO L280 TraceCheckUtils]: 1: Hoare triple {3146#true} assume true; {3146#true} is VALID [2020-07-17 21:21:54,824 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {3146#true} {3151#(= 1 ~waterLevel~0)} #410#return; {3151#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:54,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:54,828 INFO L280 TraceCheckUtils]: 0: Hoare triple {3146#true} assume true; {3146#true} is VALID [2020-07-17 21:21:54,829 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {3146#true} {3151#(= 1 ~waterLevel~0)} #412#return; {3151#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:54,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:54,849 INFO L280 TraceCheckUtils]: 0: Hoare triple {3177#(and (= ~systemActive~0 |old(~systemActive~0)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|))} assume !(0 != ~pumpRunning~0); {3146#true} is VALID [2020-07-17 21:21:54,849 INFO L280 TraceCheckUtils]: 1: Hoare triple {3146#true} ~systemActive~0 := 0; {3146#true} is VALID [2020-07-17 21:21:54,849 INFO L280 TraceCheckUtils]: 2: Hoare triple {3146#true} assume true; {3146#true} is VALID [2020-07-17 21:21:54,850 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {3146#true} {3151#(= 1 ~waterLevel~0)} #460#return; {3151#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:54,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:54,854 INFO L280 TraceCheckUtils]: 0: Hoare triple {3146#true} havoc ~retValue_acc~5;~retValue_acc~5 := ~methaneLevelCritical~0;#res := ~retValue_acc~5; {3146#true} is VALID [2020-07-17 21:21:54,855 INFO L280 TraceCheckUtils]: 1: Hoare triple {3146#true} assume true; {3146#true} is VALID [2020-07-17 21:21:54,855 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {3146#true} {3151#(= 1 ~waterLevel~0)} #490#return; {3151#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:54,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:54,872 INFO L280 TraceCheckUtils]: 0: Hoare triple {3146#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~waterLevel~0;#res := ~retValue_acc~6; {3178#(= |getWaterLevel_#res| ~waterLevel~0)} is VALID [2020-07-17 21:21:54,873 INFO L280 TraceCheckUtils]: 1: Hoare triple {3178#(= |getWaterLevel_#res| ~waterLevel~0)} assume true; {3178#(= |getWaterLevel_#res| ~waterLevel~0)} is VALID [2020-07-17 21:21:54,874 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {3178#(= |getWaterLevel_#res| ~waterLevel~0)} {3151#(= 1 ~waterLevel~0)} #492#return; {3171#(= 1 |__utac_acc__Specification3_spec__1_#t~ret70|)} is VALID [2020-07-17 21:21:54,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:54,887 INFO L280 TraceCheckUtils]: 0: Hoare triple {3146#true} havoc ~retValue_acc~1;~retValue_acc~1 := ~pumpRunning~0;#res := ~retValue_acc~1; {3146#true} is VALID [2020-07-17 21:21:54,900 INFO L280 TraceCheckUtils]: 1: Hoare triple {3146#true} assume true; {3146#true} is VALID [2020-07-17 21:21:54,900 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {3146#true} {3147#false} #494#return; {3147#false} is VALID [2020-07-17 21:21:54,905 INFO L263 TraceCheckUtils]: 0: Hoare triple {3146#true} call ULTIMATE.init(); {3176#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string51.base| |old(#t~string51.base)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|))} is VALID [2020-07-17 21:21:54,911 INFO L280 TraceCheckUtils]: 1: Hoare triple {3176#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string51.base| |old(#t~string51.base)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(110, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 2 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 3 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(80, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(117, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(109, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(112, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(32, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string18.base, #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 1 + #t~string18.offset, 1);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(30);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(21);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(30);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(9);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(21);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(30);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(9);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(25);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(25);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(13);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(77, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(101, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(116, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(104, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string63.base, #t~string63.offset, 1);call write~init~int(82, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(73, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(84, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 4 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(75, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; {3151#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:54,912 INFO L280 TraceCheckUtils]: 2: Hoare triple {3151#(= 1 ~waterLevel~0)} assume true; {3151#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:54,913 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {3151#(= 1 ~waterLevel~0)} {3146#true} #498#return; {3151#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:54,914 INFO L263 TraceCheckUtils]: 4: Hoare triple {3151#(= 1 ~waterLevel~0)} call #t~ret73 := main(); {3151#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:54,914 INFO L280 TraceCheckUtils]: 5: Hoare triple {3151#(= 1 ~waterLevel~0)} havoc ~retValue_acc~7;havoc ~tmp~6; {3151#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:54,915 INFO L263 TraceCheckUtils]: 6: Hoare triple {3151#(= 1 ~waterLevel~0)} call select_helpers(); {3146#true} is VALID [2020-07-17 21:21:54,915 INFO L280 TraceCheckUtils]: 7: Hoare triple {3146#true} assume true; {3146#true} is VALID [2020-07-17 21:21:54,915 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {3146#true} {3151#(= 1 ~waterLevel~0)} #406#return; {3151#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:54,916 INFO L263 TraceCheckUtils]: 9: Hoare triple {3151#(= 1 ~waterLevel~0)} call select_features(); {3146#true} is VALID [2020-07-17 21:21:54,916 INFO L280 TraceCheckUtils]: 10: Hoare triple {3146#true} assume true; {3146#true} is VALID [2020-07-17 21:21:54,917 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {3146#true} {3151#(= 1 ~waterLevel~0)} #408#return; {3151#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:54,917 INFO L263 TraceCheckUtils]: 12: Hoare triple {3151#(= 1 ~waterLevel~0)} call #t~ret68 := valid_product(); {3146#true} is VALID [2020-07-17 21:21:54,917 INFO L280 TraceCheckUtils]: 13: Hoare triple {3146#true} havoc ~retValue_acc~9;~retValue_acc~9 := 1;#res := ~retValue_acc~9; {3146#true} is VALID [2020-07-17 21:21:54,917 INFO L280 TraceCheckUtils]: 14: Hoare triple {3146#true} assume true; {3146#true} is VALID [2020-07-17 21:21:54,919 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {3146#true} {3151#(= 1 ~waterLevel~0)} #410#return; {3151#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:54,920 INFO L280 TraceCheckUtils]: 16: Hoare triple {3151#(= 1 ~waterLevel~0)} assume -2147483648 <= #t~ret68 && #t~ret68 <= 2147483647;~tmp~6 := #t~ret68;havoc #t~ret68; {3151#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:54,921 INFO L280 TraceCheckUtils]: 17: Hoare triple {3151#(= 1 ~waterLevel~0)} assume 0 != ~tmp~6; {3151#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:54,921 INFO L263 TraceCheckUtils]: 18: Hoare triple {3151#(= 1 ~waterLevel~0)} call setup(); {3146#true} is VALID [2020-07-17 21:21:54,921 INFO L280 TraceCheckUtils]: 19: Hoare triple {3146#true} assume true; {3146#true} is VALID [2020-07-17 21:21:54,922 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {3146#true} {3151#(= 1 ~waterLevel~0)} #412#return; {3151#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:54,922 INFO L263 TraceCheckUtils]: 21: Hoare triple {3151#(= 1 ~waterLevel~0)} call runTest(); {3151#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:54,923 INFO L263 TraceCheckUtils]: 22: Hoare triple {3151#(= 1 ~waterLevel~0)} call test(); {3151#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:54,924 INFO L280 TraceCheckUtils]: 23: Hoare triple {3151#(= 1 ~waterLevel~0)} havoc ~splverifierCounter~0;havoc ~tmp~2;havoc ~tmp___0~0;havoc ~tmp___1~0;havoc ~tmp___2~0;~splverifierCounter~0 := 0; {3151#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:54,924 INFO L280 TraceCheckUtils]: 24: Hoare triple {3151#(= 1 ~waterLevel~0)} assume !false; {3151#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:54,926 INFO L280 TraceCheckUtils]: 25: Hoare triple {3151#(= 1 ~waterLevel~0)} assume ~splverifierCounter~0 < 4; {3151#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:54,927 INFO L280 TraceCheckUtils]: 26: Hoare triple {3151#(= 1 ~waterLevel~0)} assume -2147483648 <= #t~nondet19 && #t~nondet19 <= 2147483647;~tmp~2 := #t~nondet19;havoc #t~nondet19; {3151#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:54,928 INFO L280 TraceCheckUtils]: 27: Hoare triple {3151#(= 1 ~waterLevel~0)} assume !(0 != ~tmp~2); {3151#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:54,928 INFO L280 TraceCheckUtils]: 28: Hoare triple {3151#(= 1 ~waterLevel~0)} assume -2147483648 <= #t~nondet20 && #t~nondet20 <= 2147483647;~tmp___0~0 := #t~nondet20;havoc #t~nondet20; {3151#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:54,929 INFO L280 TraceCheckUtils]: 29: Hoare triple {3151#(= 1 ~waterLevel~0)} assume !(0 != ~tmp___0~0); {3151#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:54,930 INFO L280 TraceCheckUtils]: 30: Hoare triple {3151#(= 1 ~waterLevel~0)} assume -2147483648 <= #t~nondet21 && #t~nondet21 <= 2147483647;~tmp___2~0 := #t~nondet21;havoc #t~nondet21; {3151#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:54,930 INFO L280 TraceCheckUtils]: 31: Hoare triple {3151#(= 1 ~waterLevel~0)} assume !(0 != ~tmp___2~0);assume -2147483648 <= #t~nondet22 && #t~nondet22 <= 2147483647;~tmp___1~0 := #t~nondet22;havoc #t~nondet22; {3151#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:54,931 INFO L280 TraceCheckUtils]: 32: Hoare triple {3151#(= 1 ~waterLevel~0)} assume 0 != ~tmp___1~0; {3151#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:54,932 INFO L263 TraceCheckUtils]: 33: Hoare triple {3151#(= 1 ~waterLevel~0)} call stopSystem(); {3177#(and (= ~systemActive~0 |old(~systemActive~0)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|))} is VALID [2020-07-17 21:21:54,932 INFO L280 TraceCheckUtils]: 34: Hoare triple {3177#(and (= ~systemActive~0 |old(~systemActive~0)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|))} assume !(0 != ~pumpRunning~0); {3146#true} is VALID [2020-07-17 21:21:54,933 INFO L280 TraceCheckUtils]: 35: Hoare triple {3146#true} ~systemActive~0 := 0; {3146#true} is VALID [2020-07-17 21:21:54,933 INFO L280 TraceCheckUtils]: 36: Hoare triple {3146#true} assume true; {3146#true} is VALID [2020-07-17 21:21:54,935 INFO L275 TraceCheckUtils]: 37: Hoare quadruple {3146#true} {3151#(= 1 ~waterLevel~0)} #460#return; {3151#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:54,936 INFO L263 TraceCheckUtils]: 38: Hoare triple {3151#(= 1 ~waterLevel~0)} call timeShift(); {3151#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:54,937 INFO L280 TraceCheckUtils]: 39: Hoare triple {3151#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {3151#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:54,937 INFO L280 TraceCheckUtils]: 40: Hoare triple {3151#(= 1 ~waterLevel~0)} assume !(0 != ~systemActive~0); {3151#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:54,938 INFO L263 TraceCheckUtils]: 41: Hoare triple {3151#(= 1 ~waterLevel~0)} call __utac_acc__Specification3_spec__1(); {3151#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:54,939 INFO L280 TraceCheckUtils]: 42: Hoare triple {3151#(= 1 ~waterLevel~0)} havoc ~tmp~7;havoc ~tmp___0~1;havoc ~tmp___1~1; {3151#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:54,939 INFO L263 TraceCheckUtils]: 43: Hoare triple {3151#(= 1 ~waterLevel~0)} call #t~ret69 := isMethaneLevelCritical(); {3146#true} is VALID [2020-07-17 21:21:54,939 INFO L280 TraceCheckUtils]: 44: Hoare triple {3146#true} havoc ~retValue_acc~5;~retValue_acc~5 := ~methaneLevelCritical~0;#res := ~retValue_acc~5; {3146#true} is VALID [2020-07-17 21:21:54,939 INFO L280 TraceCheckUtils]: 45: Hoare triple {3146#true} assume true; {3146#true} is VALID [2020-07-17 21:21:54,940 INFO L275 TraceCheckUtils]: 46: Hoare quadruple {3146#true} {3151#(= 1 ~waterLevel~0)} #490#return; {3151#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:54,941 INFO L280 TraceCheckUtils]: 47: Hoare triple {3151#(= 1 ~waterLevel~0)} assume -2147483648 <= #t~ret69 && #t~ret69 <= 2147483647;~tmp~7 := #t~ret69;havoc #t~ret69; {3151#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:54,941 INFO L280 TraceCheckUtils]: 48: Hoare triple {3151#(= 1 ~waterLevel~0)} assume !(0 != ~tmp~7); {3151#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:54,942 INFO L263 TraceCheckUtils]: 49: Hoare triple {3151#(= 1 ~waterLevel~0)} call #t~ret70 := getWaterLevel(); {3146#true} is VALID [2020-07-17 21:21:54,943 INFO L280 TraceCheckUtils]: 50: Hoare triple {3146#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~waterLevel~0;#res := ~retValue_acc~6; {3178#(= |getWaterLevel_#res| ~waterLevel~0)} is VALID [2020-07-17 21:21:54,943 INFO L280 TraceCheckUtils]: 51: Hoare triple {3178#(= |getWaterLevel_#res| ~waterLevel~0)} assume true; {3178#(= |getWaterLevel_#res| ~waterLevel~0)} is VALID [2020-07-17 21:21:54,944 INFO L275 TraceCheckUtils]: 52: Hoare quadruple {3178#(= |getWaterLevel_#res| ~waterLevel~0)} {3151#(= 1 ~waterLevel~0)} #492#return; {3171#(= 1 |__utac_acc__Specification3_spec__1_#t~ret70|)} is VALID [2020-07-17 21:21:54,945 INFO L280 TraceCheckUtils]: 53: Hoare triple {3171#(= 1 |__utac_acc__Specification3_spec__1_#t~ret70|)} assume -2147483648 <= #t~ret70 && #t~ret70 <= 2147483647;~tmp___0~1 := #t~ret70;havoc #t~ret70; {3172#(= 1 __utac_acc__Specification3_spec__1_~tmp___0~1)} is VALID [2020-07-17 21:21:54,946 INFO L280 TraceCheckUtils]: 54: Hoare triple {3172#(= 1 __utac_acc__Specification3_spec__1_~tmp___0~1)} assume 2 == ~tmp___0~1; {3147#false} is VALID [2020-07-17 21:21:54,946 INFO L263 TraceCheckUtils]: 55: Hoare triple {3147#false} call #t~ret71 := isPumpRunning(); {3146#true} is VALID [2020-07-17 21:21:54,946 INFO L280 TraceCheckUtils]: 56: Hoare triple {3146#true} havoc ~retValue_acc~1;~retValue_acc~1 := ~pumpRunning~0;#res := ~retValue_acc~1; {3146#true} is VALID [2020-07-17 21:21:54,946 INFO L280 TraceCheckUtils]: 57: Hoare triple {3146#true} assume true; {3146#true} is VALID [2020-07-17 21:21:54,947 INFO L275 TraceCheckUtils]: 58: Hoare quadruple {3146#true} {3147#false} #494#return; {3147#false} is VALID [2020-07-17 21:21:54,947 INFO L280 TraceCheckUtils]: 59: Hoare triple {3147#false} assume -2147483648 <= #t~ret71 && #t~ret71 <= 2147483647;~tmp___1~1 := #t~ret71;havoc #t~ret71; {3147#false} is VALID [2020-07-17 21:21:54,947 INFO L280 TraceCheckUtils]: 60: Hoare triple {3147#false} assume !(0 != ~tmp___1~1); {3147#false} is VALID [2020-07-17 21:21:54,947 INFO L263 TraceCheckUtils]: 61: Hoare triple {3147#false} call __automaton_fail(); {3147#false} is VALID [2020-07-17 21:21:54,948 INFO L280 TraceCheckUtils]: 62: Hoare triple {3147#false} assume !false; {3147#false} is VALID [2020-07-17 21:21:54,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 21:21:54,958 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723447371] [2020-07-17 21:21:54,958 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 21:21:54,958 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-17 21:21:54,958 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375560899] [2020-07-17 21:21:54,959 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 63 [2020-07-17 21:21:54,959 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 21:21:54,960 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2020-07-17 21:21:55,039 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 63 edges. 63 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 21:21:55,039 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-17 21:21:55,039 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 21:21:55,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-17 21:21:55,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-17 21:21:55,040 INFO L87 Difference]: Start difference. First operand 228 states and 277 transitions. Second operand 8 states. [2020-07-17 21:21:55,784 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 21:22:03,352 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 21:22:04,009 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 21:22:04,431 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 21:22:04,874 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 21:22:09,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:22:09,095 INFO L93 Difference]: Finished difference Result 696 states and 923 transitions. [2020-07-17 21:22:09,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-17 21:22:09,095 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 63 [2020-07-17 21:22:09,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 21:22:09,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-17 21:22:09,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 411 transitions. [2020-07-17 21:22:09,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-17 21:22:09,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 411 transitions. [2020-07-17 21:22:09,113 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states and 411 transitions. [2020-07-17 21:22:10,430 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 411 edges. 411 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 21:22:10,454 INFO L225 Difference]: With dead ends: 696 [2020-07-17 21:22:10,454 INFO L226 Difference]: Without dead ends: 492 [2020-07-17 21:22:10,456 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2020-07-17 21:22:10,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 492 states. [2020-07-17 21:22:14,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 492 to 429. [2020-07-17 21:22:14,791 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 21:22:14,791 INFO L82 GeneralOperation]: Start isEquivalent. First operand 492 states. Second operand 429 states. [2020-07-17 21:22:14,791 INFO L74 IsIncluded]: Start isIncluded. First operand 492 states. Second operand 429 states. [2020-07-17 21:22:14,791 INFO L87 Difference]: Start difference. First operand 492 states. Second operand 429 states. [2020-07-17 21:22:14,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:22:14,820 INFO L93 Difference]: Finished difference Result 492 states and 642 transitions. [2020-07-17 21:22:14,820 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 642 transitions. [2020-07-17 21:22:14,823 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 21:22:14,823 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 21:22:14,823 INFO L74 IsIncluded]: Start isIncluded. First operand 429 states. Second operand 492 states. [2020-07-17 21:22:14,823 INFO L87 Difference]: Start difference. First operand 429 states. Second operand 492 states. [2020-07-17 21:22:14,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:22:14,853 INFO L93 Difference]: Finished difference Result 492 states and 642 transitions. [2020-07-17 21:22:14,853 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 642 transitions. [2020-07-17 21:22:14,856 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 21:22:14,856 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 21:22:14,856 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 21:22:14,856 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 21:22:14,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 429 states. [2020-07-17 21:22:14,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 535 transitions. [2020-07-17 21:22:14,880 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 535 transitions. Word has length 63 [2020-07-17 21:22:14,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 21:22:14,880 INFO L479 AbstractCegarLoop]: Abstraction has 429 states and 535 transitions. [2020-07-17 21:22:14,880 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-17 21:22:14,880 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 535 transitions. [2020-07-17 21:22:14,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-07-17 21:22:14,882 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 21:22:14,883 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 21:22:14,883 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-17 21:22:14,883 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 21:22:14,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 21:22:14,883 INFO L82 PathProgramCache]: Analyzing trace with hash -1013606138, now seen corresponding path program 1 times [2020-07-17 21:22:14,884 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 21:22:14,884 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467955530] [2020-07-17 21:22:14,884 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 21:22:14,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 21:22:14,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 21:22:15,079 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-17 21:22:15,080 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-17 21:22:15,080 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-17 21:22:15,201 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_freeENTRY has no Hoare annotation [2020-07-17 21:22:15,201 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_resetENTRY has no Hoare annotation [2020-07-17 21:22:15,201 WARN L170 areAnnotationChecker]: select_helpersFINAL has no Hoare annotation [2020-07-17 21:22:15,201 WARN L170 areAnnotationChecker]: valid_productENTRY has no Hoare annotation [2020-07-17 21:22:15,201 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-17 21:22:15,202 WARN L170 areAnnotationChecker]: processEnvironment__wrappee__methaneQueryFINAL has no Hoare annotation [2020-07-17 21:22:15,202 WARN L170 areAnnotationChecker]: Specification2ENTRY has no Hoare annotation [2020-07-17 21:22:15,202 WARN L170 areAnnotationChecker]: Specification2ENTRY has no Hoare annotation [2020-07-17 21:22:15,202 WARN L170 areAnnotationChecker]: stopSystemENTRY has no Hoare annotation [2020-07-17 21:22:15,202 WARN L170 areAnnotationChecker]: stopSystemENTRY has no Hoare annotation [2020-07-17 21:22:15,202 WARN L170 areAnnotationChecker]: activatePump__wrappee__baseENTRY has no Hoare annotation [2020-07-17 21:22:15,202 WARN L170 areAnnotationChecker]: isPumpRunningENTRY has no Hoare annotation [2020-07-17 21:22:15,202 WARN L170 areAnnotationChecker]: printPumpENTRY has no Hoare annotation [2020-07-17 21:22:15,202 WARN L170 areAnnotationChecker]: select_featuresFINAL has no Hoare annotation [2020-07-17 21:22:15,203 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_setENTRY has no Hoare annotation [2020-07-17 21:22:15,203 WARN L170 areAnnotationChecker]: __utac__get_this_argtypeENTRY has no Hoare annotation [2020-07-17 21:22:15,203 WARN L170 areAnnotationChecker]: runTestENTRY has no Hoare annotation [2020-07-17 21:22:15,203 WARN L170 areAnnotationChecker]: runTestENTRY has no Hoare annotation [2020-07-17 21:22:15,203 WARN L170 areAnnotationChecker]: isMethaneAlarmENTRY has no Hoare annotation [2020-07-17 21:22:15,203 WARN L170 areAnnotationChecker]: deactivatePumpENTRY has no Hoare annotation [2020-07-17 21:22:15,203 WARN L170 areAnnotationChecker]: processEnvironmentENTRY has no Hoare annotation [2020-07-17 21:22:15,203 WARN L170 areAnnotationChecker]: testENTRY has no Hoare annotation [2020-07-17 21:22:15,203 WARN L170 areAnnotationChecker]: __utac__get_this_argENTRY has no Hoare annotation [2020-07-17 21:22:15,203 WARN L170 areAnnotationChecker]: ULTIMATE.initENTRY has no Hoare annotation [2020-07-17 21:22:15,204 WARN L170 areAnnotationChecker]: __utac__error_stack_mgtENTRY has no Hoare annotation [2020-07-17 21:22:15,204 WARN L170 areAnnotationChecker]: printEnvironmentENTRY has no Hoare annotation [2020-07-17 21:22:15,204 WARN L170 areAnnotationChecker]: select_oneENTRY has no Hoare annotation [2020-07-17 21:22:15,204 WARN L170 areAnnotationChecker]: activatePumpENTRY has no Hoare annotation [2020-07-17 21:22:15,204 WARN L170 areAnnotationChecker]: ##fun~int~X~int~TO~intENTRY has no Hoare annotation [2020-07-17 21:22:15,204 WARN L170 areAnnotationChecker]: changeMethaneLevelENTRY has no Hoare annotation [2020-07-17 21:22:15,204 WARN L170 areAnnotationChecker]: changeMethaneLevelENTRY has no Hoare annotation [2020-07-17 21:22:15,204 WARN L170 areAnnotationChecker]: getWaterLevelENTRY has no Hoare annotation [2020-07-17 21:22:15,205 WARN L170 areAnnotationChecker]: timeShiftENTRY has no Hoare annotation [2020-07-17 21:22:15,205 WARN L170 areAnnotationChecker]: timeShiftENTRY has no Hoare annotation [2020-07-17 21:22:15,205 WARN L170 areAnnotationChecker]: isMethaneLevelCriticalENTRY has no Hoare annotation [2020-07-17 21:22:15,205 WARN L170 areAnnotationChecker]: cleanupENTRY has no Hoare annotation [2020-07-17 21:22:15,205 WARN L170 areAnnotationChecker]: __utac_acc__Specification3_spec__1ENTRY has no Hoare annotation [2020-07-17 21:22:15,205 WARN L170 areAnnotationChecker]: lowerWaterLevelENTRY has no Hoare annotation [2020-07-17 21:22:15,205 WARN L170 areAnnotationChecker]: lowerWaterLevelENTRY has no Hoare annotation [2020-07-17 21:22:15,205 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-17 21:22:15,205 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-17 21:22:15,205 WARN L170 areAnnotationChecker]: setupFINAL has no Hoare annotation [2020-07-17 21:22:15,206 WARN L170 areAnnotationChecker]: waterRiseENTRY has no Hoare annotation [2020-07-17 21:22:15,206 WARN L170 areAnnotationChecker]: waterRiseENTRY has no Hoare annotation [2020-07-17 21:22:15,206 WARN L170 areAnnotationChecker]: __automaton_failENTRY has no Hoare annotation [2020-07-17 21:22:15,206 WARN L170 areAnnotationChecker]: __automaton_failENTRY has no Hoare annotation [2020-07-17 21:22:15,206 WARN L170 areAnnotationChecker]: L362-2 has no Hoare annotation [2020-07-17 21:22:15,206 WARN L170 areAnnotationChecker]: L362-2 has no Hoare annotation [2020-07-17 21:22:15,206 WARN L170 areAnnotationChecker]: L362-2 has no Hoare annotation [2020-07-17 21:22:15,206 WARN L170 areAnnotationChecker]: L419-2 has no Hoare annotation [2020-07-17 21:22:15,207 WARN L170 areAnnotationChecker]: L419-2 has no Hoare annotation [2020-07-17 21:22:15,207 WARN L170 areAnnotationChecker]: L419-2 has no Hoare annotation [2020-07-17 21:22:15,207 WARN L170 areAnnotationChecker]: select_helpersEXIT has no Hoare annotation [2020-07-17 21:22:15,207 WARN L170 areAnnotationChecker]: valid_productFINAL has no Hoare annotation [2020-07-17 21:22:15,207 WARN L170 areAnnotationChecker]: L813 has no Hoare annotation [2020-07-17 21:22:15,207 WARN L170 areAnnotationChecker]: L813 has no Hoare annotation [2020-07-17 21:22:15,207 WARN L170 areAnnotationChecker]: processEnvironment__wrappee__methaneQueryEXIT has no Hoare annotation [2020-07-17 21:22:15,207 WARN L170 areAnnotationChecker]: processEnvironment__wrappee__methaneQueryEXIT has no Hoare annotation [2020-07-17 21:22:15,207 WARN L170 areAnnotationChecker]: L768 has no Hoare annotation [2020-07-17 21:22:15,208 WARN L170 areAnnotationChecker]: L768 has no Hoare annotation [2020-07-17 21:22:15,208 WARN L170 areAnnotationChecker]: L205 has no Hoare annotation [2020-07-17 21:22:15,208 WARN L170 areAnnotationChecker]: L205 has no Hoare annotation [2020-07-17 21:22:15,208 WARN L170 areAnnotationChecker]: L203 has no Hoare annotation [2020-07-17 21:22:15,208 WARN L170 areAnnotationChecker]: activatePump__wrappee__baseFINAL has no Hoare annotation [2020-07-17 21:22:15,208 WARN L170 areAnnotationChecker]: isPumpRunningFINAL has no Hoare annotation [2020-07-17 21:22:15,208 WARN L170 areAnnotationChecker]: L170 has no Hoare annotation [2020-07-17 21:22:15,208 WARN L170 areAnnotationChecker]: L170 has no Hoare annotation [2020-07-17 21:22:15,208 WARN L170 areAnnotationChecker]: select_featuresEXIT has no Hoare annotation [2020-07-17 21:22:15,209 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_setFINAL has no Hoare annotation [2020-07-17 21:22:15,209 WARN L170 areAnnotationChecker]: L618 has no Hoare annotation [2020-07-17 21:22:15,209 WARN L170 areAnnotationChecker]: L618 has no Hoare annotation [2020-07-17 21:22:15,209 WARN L170 areAnnotationChecker]: runTestFINAL has no Hoare annotation [2020-07-17 21:22:15,209 WARN L170 areAnnotationChecker]: L148 has no Hoare annotation [2020-07-17 21:22:15,209 WARN L170 areAnnotationChecker]: L148 has no Hoare annotation [2020-07-17 21:22:15,209 WARN L170 areAnnotationChecker]: deactivatePumpFINAL has no Hoare annotation [2020-07-17 21:22:15,209 WARN L170 areAnnotationChecker]: L89 has no Hoare annotation [2020-07-17 21:22:15,209 WARN L170 areAnnotationChecker]: L89 has no Hoare annotation [2020-07-17 21:22:15,209 WARN L170 areAnnotationChecker]: L273 has no Hoare annotation [2020-07-17 21:22:15,210 WARN L170 areAnnotationChecker]: L273 has no Hoare annotation [2020-07-17 21:22:15,210 WARN L170 areAnnotationChecker]: L273 has no Hoare annotation [2020-07-17 21:22:15,210 WARN L170 areAnnotationChecker]: L572 has no Hoare annotation [2020-07-17 21:22:15,210 WARN L170 areAnnotationChecker]: L572 has no Hoare annotation [2020-07-17 21:22:15,210 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-17 21:22:15,210 WARN L170 areAnnotationChecker]: L479 has no Hoare annotation [2020-07-17 21:22:15,210 WARN L170 areAnnotationChecker]: L479 has no Hoare annotation [2020-07-17 21:22:15,210 WARN L170 areAnnotationChecker]: L707 has no Hoare annotation [2020-07-17 21:22:15,210 WARN L170 areAnnotationChecker]: L707 has no Hoare annotation [2020-07-17 21:22:15,210 WARN L170 areAnnotationChecker]: select_oneFINAL has no Hoare annotation [2020-07-17 21:22:15,211 WARN L170 areAnnotationChecker]: L123 has no Hoare annotation [2020-07-17 21:22:15,211 WARN L170 areAnnotationChecker]: L123 has no Hoare annotation [2020-07-17 21:22:15,211 WARN L170 areAnnotationChecker]: ##fun~int~X~int~TO~intFINAL has no Hoare annotation [2020-07-17 21:22:15,211 WARN L170 areAnnotationChecker]: L682-1 has no Hoare annotation [2020-07-17 21:22:15,211 WARN L170 areAnnotationChecker]: getWaterLevelFINAL has no Hoare annotation [2020-07-17 21:22:15,211 WARN L170 areAnnotationChecker]: L59 has no Hoare annotation [2020-07-17 21:22:15,211 WARN L170 areAnnotationChecker]: L59 has no Hoare annotation [2020-07-17 21:22:15,211 WARN L170 areAnnotationChecker]: L57 has no Hoare annotation [2020-07-17 21:22:15,211 WARN L170 areAnnotationChecker]: L57 has no Hoare annotation [2020-07-17 21:22:15,211 WARN L170 areAnnotationChecker]: isMethaneLevelCriticalFINAL has no Hoare annotation [2020-07-17 21:22:15,212 WARN L170 areAnnotationChecker]: L739 has no Hoare annotation [2020-07-17 21:22:15,212 WARN L170 areAnnotationChecker]: L739 has no Hoare annotation [2020-07-17 21:22:15,212 WARN L170 areAnnotationChecker]: L839 has no Hoare annotation [2020-07-17 21:22:15,212 WARN L170 areAnnotationChecker]: L839 has no Hoare annotation [2020-07-17 21:22:15,212 WARN L170 areAnnotationChecker]: L658-1 has no Hoare annotation [2020-07-17 21:22:15,212 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-17 21:22:15,212 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-17 21:22:15,212 WARN L170 areAnnotationChecker]: setupEXIT has no Hoare annotation [2020-07-17 21:22:15,212 WARN L170 areAnnotationChecker]: L670-1 has no Hoare annotation [2020-07-17 21:22:15,213 WARN L170 areAnnotationChecker]: __automaton_failFINAL has no Hoare annotation [2020-07-17 21:22:15,213 WARN L170 areAnnotationChecker]: L384 has no Hoare annotation [2020-07-17 21:22:15,213 WARN L170 areAnnotationChecker]: L363 has no Hoare annotation [2020-07-17 21:22:15,213 WARN L170 areAnnotationChecker]: L445 has no Hoare annotation [2020-07-17 21:22:15,213 WARN L170 areAnnotationChecker]: L445 has no Hoare annotation [2020-07-17 21:22:15,213 WARN L170 areAnnotationChecker]: L420 has no Hoare annotation [2020-07-17 21:22:15,213 WARN L170 areAnnotationChecker]: L813-1 has no Hoare annotation [2020-07-17 21:22:15,213 WARN L170 areAnnotationChecker]: L813-1 has no Hoare annotation [2020-07-17 21:22:15,213 WARN L170 areAnnotationChecker]: valid_productEXIT has no Hoare annotation [2020-07-17 21:22:15,214 WARN L170 areAnnotationChecker]: L104-1 has no Hoare annotation [2020-07-17 21:22:15,214 WARN L170 areAnnotationChecker]: L769 has no Hoare annotation [2020-07-17 21:22:15,214 WARN L170 areAnnotationChecker]: L769 has no Hoare annotation [2020-07-17 21:22:15,214 WARN L170 areAnnotationChecker]: stopSystemFINAL has no Hoare annotation [2020-07-17 21:22:15,214 WARN L170 areAnnotationChecker]: activatePump__wrappee__baseEXIT has no Hoare annotation [2020-07-17 21:22:15,214 WARN L170 areAnnotationChecker]: isPumpRunningEXIT has no Hoare annotation [2020-07-17 21:22:15,214 WARN L170 areAnnotationChecker]: L170-2 has no Hoare annotation [2020-07-17 21:22:15,214 WARN L170 areAnnotationChecker]: L814 has no Hoare annotation [2020-07-17 21:22:15,214 WARN L170 areAnnotationChecker]: L814 has no Hoare annotation [2020-07-17 21:22:15,214 WARN L170 areAnnotationChecker]: L624 has no Hoare annotation [2020-07-17 21:22:15,215 WARN L170 areAnnotationChecker]: L624 has no Hoare annotation [2020-07-17 21:22:15,215 WARN L170 areAnnotationChecker]: L618-1 has no Hoare annotation [2020-07-17 21:22:15,215 WARN L170 areAnnotationChecker]: runTestEXIT has no Hoare annotation [2020-07-17 21:22:15,215 WARN L170 areAnnotationChecker]: L148-1 has no Hoare annotation [2020-07-17 21:22:15,215 WARN L170 areAnnotationChecker]: deactivatePumpEXIT has no Hoare annotation [2020-07-17 21:22:15,215 WARN L170 areAnnotationChecker]: deactivatePumpEXIT has no Hoare annotation [2020-07-17 21:22:15,215 WARN L170 areAnnotationChecker]: L91 has no Hoare annotation [2020-07-17 21:22:15,215 WARN L170 areAnnotationChecker]: L91 has no Hoare annotation [2020-07-17 21:22:15,215 WARN L170 areAnnotationChecker]: L104 has no Hoare annotation [2020-07-17 21:22:15,215 WARN L170 areAnnotationChecker]: L104 has no Hoare annotation [2020-07-17 21:22:15,216 WARN L170 areAnnotationChecker]: L276 has no Hoare annotation [2020-07-17 21:22:15,216 WARN L170 areAnnotationChecker]: L276 has no Hoare annotation [2020-07-17 21:22:15,216 WARN L170 areAnnotationChecker]: L229 has no Hoare annotation [2020-07-17 21:22:15,216 WARN L170 areAnnotationChecker]: L229 has no Hoare annotation [2020-07-17 21:22:15,216 WARN L170 areAnnotationChecker]: L578 has no Hoare annotation [2020-07-17 21:22:15,216 WARN L170 areAnnotationChecker]: L578 has no Hoare annotation [2020-07-17 21:22:15,216 WARN L170 areAnnotationChecker]: L572-1 has no Hoare annotation [2020-07-17 21:22:15,216 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-17 21:22:15,216 WARN L170 areAnnotationChecker]: __utac__error_stack_mgtFINAL has no Hoare annotation [2020-07-17 21:22:15,216 WARN L170 areAnnotationChecker]: L484 has no Hoare annotation [2020-07-17 21:22:15,217 WARN L170 areAnnotationChecker]: L484 has no Hoare annotation [2020-07-17 21:22:15,217 WARN L170 areAnnotationChecker]: L707-2 has no Hoare annotation [2020-07-17 21:22:15,217 WARN L170 areAnnotationChecker]: L123-1 has no Hoare annotation [2020-07-17 21:22:15,217 WARN L170 areAnnotationChecker]: ##fun~int~X~int~TO~intEXIT has no Hoare annotation [2020-07-17 21:22:15,217 WARN L170 areAnnotationChecker]: changeMethaneLevelEXIT has no Hoare annotation [2020-07-17 21:22:15,217 WARN L170 areAnnotationChecker]: changeMethaneLevelEXIT has no Hoare annotation [2020-07-17 21:22:15,217 WARN L170 areAnnotationChecker]: getWaterLevelEXIT has no Hoare annotation [2020-07-17 21:22:15,217 WARN L170 areAnnotationChecker]: L66 has no Hoare annotation [2020-07-17 21:22:15,217 WARN L170 areAnnotationChecker]: L66 has no Hoare annotation [2020-07-17 21:22:15,217 WARN L170 areAnnotationChecker]: L64 has no Hoare annotation [2020-07-17 21:22:15,218 WARN L170 areAnnotationChecker]: L64 has no Hoare annotation [2020-07-17 21:22:15,218 WARN L170 areAnnotationChecker]: isMethaneLevelCriticalEXIT has no Hoare annotation [2020-07-17 21:22:15,218 WARN L170 areAnnotationChecker]: isMethaneLevelCriticalEXIT has no Hoare annotation [2020-07-17 21:22:15,218 WARN L170 areAnnotationChecker]: L739-1 has no Hoare annotation [2020-07-17 21:22:15,218 WARN L170 areAnnotationChecker]: L839-1 has no Hoare annotation [2020-07-17 21:22:15,218 WARN L170 areAnnotationChecker]: lowerWaterLevelEXIT has no Hoare annotation [2020-07-17 21:22:15,218 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-17 21:22:15,218 WARN L170 areAnnotationChecker]: L819-1 has no Hoare annotation [2020-07-17 21:22:15,218 WARN L170 areAnnotationChecker]: L819-1 has no Hoare annotation [2020-07-17 21:22:15,218 WARN L170 areAnnotationChecker]: waterRiseEXIT has no Hoare annotation [2020-07-17 21:22:15,219 WARN L170 areAnnotationChecker]: waterRiseEXIT has no Hoare annotation [2020-07-17 21:22:15,219 WARN L170 areAnnotationChecker]: __automaton_failEXIT has no Hoare annotation [2020-07-17 21:22:15,219 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_freeFINAL has no Hoare annotation [2020-07-17 21:22:15,219 WARN L170 areAnnotationChecker]: L368 has no Hoare annotation [2020-07-17 21:22:15,219 WARN L170 areAnnotationChecker]: L368 has no Hoare annotation [2020-07-17 21:22:15,219 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_resetFINAL has no Hoare annotation [2020-07-17 21:22:15,219 WARN L170 areAnnotationChecker]: L425 has no Hoare annotation [2020-07-17 21:22:15,219 WARN L170 areAnnotationChecker]: L425 has no Hoare annotation [2020-07-17 21:22:15,219 WARN L170 areAnnotationChecker]: L815 has no Hoare annotation [2020-07-17 21:22:15,220 WARN L170 areAnnotationChecker]: processEnvironmentEXIT has no Hoare annotation [2020-07-17 21:22:15,220 WARN L170 areAnnotationChecker]: L770 has no Hoare annotation [2020-07-17 21:22:15,220 WARN L170 areAnnotationChecker]: L770 has no Hoare annotation [2020-07-17 21:22:15,220 WARN L170 areAnnotationChecker]: stopSystemEXIT has no Hoare annotation [2020-07-17 21:22:15,220 WARN L170 areAnnotationChecker]: L129-1 has no Hoare annotation [2020-07-17 21:22:15,220 WARN L170 areAnnotationChecker]: L849-1 has no Hoare annotation [2020-07-17 21:22:15,220 WARN L170 areAnnotationChecker]: L182 has no Hoare annotation [2020-07-17 21:22:15,220 WARN L170 areAnnotationChecker]: L182 has no Hoare annotation [2020-07-17 21:22:15,220 WARN L170 areAnnotationChecker]: __utac__get_this_argtypeFINAL has no Hoare annotation [2020-07-17 21:22:15,220 WARN L170 areAnnotationChecker]: L817-1 has no Hoare annotation [2020-07-17 21:22:15,221 WARN L170 areAnnotationChecker]: isMethaneAlarmFINAL has no Hoare annotation [2020-07-17 21:22:15,221 WARN L170 areAnnotationChecker]: L91-1 has no Hoare annotation [2020-07-17 21:22:15,221 WARN L170 areAnnotationChecker]: testFINAL has no Hoare annotation [2020-07-17 21:22:15,221 WARN L170 areAnnotationChecker]: L230 has no Hoare annotation [2020-07-17 21:22:15,221 WARN L170 areAnnotationChecker]: __utac__get_this_argFINAL has no Hoare annotation [2020-07-17 21:22:15,221 WARN L170 areAnnotationChecker]: L501 has no Hoare annotation [2020-07-17 21:22:15,221 WARN L170 areAnnotationChecker]: L501 has no Hoare annotation [2020-07-17 21:22:15,221 WARN L170 areAnnotationChecker]: printEnvironmentFINAL has no Hoare annotation [2020-07-17 21:22:15,221 WARN L170 areAnnotationChecker]: L125 has no Hoare annotation [2020-07-17 21:22:15,221 WARN L170 areAnnotationChecker]: L125 has no Hoare annotation [2020-07-17 21:22:15,222 WARN L170 areAnnotationChecker]: L438-1 has no Hoare annotation [2020-07-17 21:22:15,222 WARN L170 areAnnotationChecker]: L778 has no Hoare annotation [2020-07-17 21:22:15,222 WARN L170 areAnnotationChecker]: L778 has no Hoare annotation [2020-07-17 21:22:15,222 WARN L170 areAnnotationChecker]: L248-1 has no Hoare annotation [2020-07-17 21:22:15,222 WARN L170 areAnnotationChecker]: L845-1 has no Hoare annotation [2020-07-17 21:22:15,222 WARN L170 areAnnotationChecker]: timeShiftFINAL has no Hoare annotation [2020-07-17 21:22:15,222 WARN L170 areAnnotationChecker]: L743-2 has no Hoare annotation [2020-07-17 21:22:15,222 WARN L170 areAnnotationChecker]: L743-2 has no Hoare annotation [2020-07-17 21:22:15,222 WARN L170 areAnnotationChecker]: L743-2 has no Hoare annotation [2020-07-17 21:22:15,222 WARN L170 areAnnotationChecker]: L841 has no Hoare annotation [2020-07-17 21:22:15,223 WARN L170 areAnnotationChecker]: L841 has no Hoare annotation [2020-07-17 21:22:15,223 WARN L170 areAnnotationChecker]: L774 has no Hoare annotation [2020-07-17 21:22:15,223 WARN L170 areAnnotationChecker]: L774 has no Hoare annotation [2020-07-17 21:22:15,223 WARN L170 areAnnotationChecker]: L238-1 has no Hoare annotation [2020-07-17 21:22:15,223 WARN L170 areAnnotationChecker]: L847-1 has no Hoare annotation [2020-07-17 21:22:15,223 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_freeEXIT has no Hoare annotation [2020-07-17 21:22:15,223 WARN L170 areAnnotationChecker]: L368-1 has no Hoare annotation [2020-07-17 21:22:15,223 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_resetEXIT has no Hoare annotation [2020-07-17 21:22:15,223 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_resetEXIT has no Hoare annotation [2020-07-17 21:22:15,224 WARN L170 areAnnotationChecker]: L425-1 has no Hoare annotation [2020-07-17 21:22:15,224 WARN L170 areAnnotationChecker]: L817 has no Hoare annotation [2020-07-17 21:22:15,224 WARN L170 areAnnotationChecker]: L817 has no Hoare annotation [2020-07-17 21:22:15,224 WARN L170 areAnnotationChecker]: L771 has no Hoare annotation [2020-07-17 21:22:15,224 WARN L170 areAnnotationChecker]: L771 has no Hoare annotation [2020-07-17 21:22:15,224 WARN L170 areAnnotationChecker]: L264-1 has no Hoare annotation [2020-07-17 21:22:15,224 WARN L170 areAnnotationChecker]: L264-1 has no Hoare annotation [2020-07-17 21:22:15,224 WARN L170 areAnnotationChecker]: L851 has no Hoare annotation [2020-07-17 21:22:15,224 WARN L170 areAnnotationChecker]: L851 has no Hoare annotation [2020-07-17 21:22:15,224 WARN L170 areAnnotationChecker]: L182-2 has no Hoare annotation [2020-07-17 21:22:15,225 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-17 21:22:15,225 WARN L170 areAnnotationChecker]: isMethaneAlarmEXIT has no Hoare annotation [2020-07-17 21:22:15,225 WARN L170 areAnnotationChecker]: isMethaneAlarmEXIT has no Hoare annotation [2020-07-17 21:22:15,225 WARN L170 areAnnotationChecker]: L93 has no Hoare annotation [2020-07-17 21:22:15,225 WARN L170 areAnnotationChecker]: L93 has no Hoare annotation [2020-07-17 21:22:15,225 WARN L170 areAnnotationChecker]: testEXIT has no Hoare annotation [2020-07-17 21:22:15,225 WARN L170 areAnnotationChecker]: L238 has no Hoare annotation [2020-07-17 21:22:15,225 WARN L170 areAnnotationChecker]: L238 has no Hoare annotation [2020-07-17 21:22:15,225 WARN L170 areAnnotationChecker]: L504-2 has no Hoare annotation [2020-07-17 21:22:15,225 WARN L170 areAnnotationChecker]: L504-2 has no Hoare annotation [2020-07-17 21:22:15,226 WARN L170 areAnnotationChecker]: L504-2 has no Hoare annotation [2020-07-17 21:22:15,226 WARN L170 areAnnotationChecker]: L543 has no Hoare annotation [2020-07-17 21:22:15,226 WARN L170 areAnnotationChecker]: L543 has no Hoare annotation [2020-07-17 21:22:15,226 WARN L170 areAnnotationChecker]: printEnvironmentEXIT has no Hoare annotation [2020-07-17 21:22:15,226 WARN L170 areAnnotationChecker]: L129 has no Hoare annotation [2020-07-17 21:22:15,226 WARN L170 areAnnotationChecker]: L129 has no Hoare annotation [2020-07-17 21:22:15,226 WARN L170 areAnnotationChecker]: L779 has no Hoare annotation [2020-07-17 21:22:15,226 WARN L170 areAnnotationChecker]: L779 has no Hoare annotation [2020-07-17 21:22:15,227 WARN L170 areAnnotationChecker]: L258 has no Hoare annotation [2020-07-17 21:22:15,227 WARN L170 areAnnotationChecker]: L258 has no Hoare annotation [2020-07-17 21:22:15,227 WARN L170 areAnnotationChecker]: L847 has no Hoare annotation [2020-07-17 21:22:15,227 WARN L170 areAnnotationChecker]: L847 has no Hoare annotation [2020-07-17 21:22:15,227 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-17 21:22:15,227 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-17 21:22:15,227 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-17 21:22:15,227 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-17 21:22:15,228 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-17 21:22:15,228 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-17 21:22:15,228 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-17 21:22:15,228 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-17 21:22:15,228 WARN L170 areAnnotationChecker]: L758 has no Hoare annotation [2020-07-17 21:22:15,228 WARN L170 areAnnotationChecker]: L744 has no Hoare annotation [2020-07-17 21:22:15,228 WARN L170 areAnnotationChecker]: L845 has no Hoare annotation [2020-07-17 21:22:15,228 WARN L170 areAnnotationChecker]: L845 has no Hoare annotation [2020-07-17 21:22:15,228 WARN L170 areAnnotationChecker]: L775 has no Hoare annotation [2020-07-17 21:22:15,229 WARN L170 areAnnotationChecker]: L775 has no Hoare annotation [2020-07-17 21:22:15,229 WARN L170 areAnnotationChecker]: L248 has no Hoare annotation [2020-07-17 21:22:15,229 WARN L170 areAnnotationChecker]: L248 has no Hoare annotation [2020-07-17 21:22:15,229 WARN L170 areAnnotationChecker]: __utac_acc__Specification3_spec__1EXIT has no Hoare annotation [2020-07-17 21:22:15,229 WARN L170 areAnnotationChecker]: L520-1 has no Hoare annotation [2020-07-17 21:22:15,229 WARN L170 areAnnotationChecker]: L536-1 has no Hoare annotation [2020-07-17 21:22:15,229 WARN L170 areAnnotationChecker]: L438 has no Hoare annotation [2020-07-17 21:22:15,229 WARN L170 areAnnotationChecker]: L438 has no Hoare annotation [2020-07-17 21:22:15,229 WARN L170 areAnnotationChecker]: L819 has no Hoare annotation [2020-07-17 21:22:15,230 WARN L170 areAnnotationChecker]: L819 has no Hoare annotation [2020-07-17 21:22:15,230 WARN L170 areAnnotationChecker]: L772 has no Hoare annotation [2020-07-17 21:22:15,230 WARN L170 areAnnotationChecker]: L772 has no Hoare annotation [2020-07-17 21:22:15,230 WARN L170 areAnnotationChecker]: L855 has no Hoare annotation [2020-07-17 21:22:15,230 WARN L170 areAnnotationChecker]: L855 has no Hoare annotation [2020-07-17 21:22:15,230 WARN L170 areAnnotationChecker]: L193 has no Hoare annotation [2020-07-17 21:22:15,230 WARN L170 areAnnotationChecker]: L193 has no Hoare annotation [2020-07-17 21:22:15,230 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-17 21:22:15,230 WARN L170 areAnnotationChecker]: L95 has no Hoare annotation [2020-07-17 21:22:15,230 WARN L170 areAnnotationChecker]: L95 has no Hoare annotation [2020-07-17 21:22:15,231 WARN L170 areAnnotationChecker]: L99 has no Hoare annotation [2020-07-17 21:22:15,231 WARN L170 areAnnotationChecker]: L99 has no Hoare annotation [2020-07-17 21:22:15,231 WARN L170 areAnnotationChecker]: L240 has no Hoare annotation [2020-07-17 21:22:15,231 WARN L170 areAnnotationChecker]: L240 has no Hoare annotation [2020-07-17 21:22:15,231 WARN L170 areAnnotationChecker]: L525 has no Hoare annotation [2020-07-17 21:22:15,231 WARN L170 areAnnotationChecker]: L505 has no Hoare annotation [2020-07-17 21:22:15,231 WARN L170 areAnnotationChecker]: L505 has no Hoare annotation [2020-07-17 21:22:15,231 WARN L170 areAnnotationChecker]: L544 has no Hoare annotation [2020-07-17 21:22:15,231 WARN L170 areAnnotationChecker]: L544 has no Hoare annotation [2020-07-17 21:22:15,232 WARN L170 areAnnotationChecker]: L193-1 has no Hoare annotation [2020-07-17 21:22:15,232 WARN L170 areAnnotationChecker]: L780 has no Hoare annotation [2020-07-17 21:22:15,232 WARN L170 areAnnotationChecker]: L780 has no Hoare annotation [2020-07-17 21:22:15,232 WARN L170 areAnnotationChecker]: L264 has no Hoare annotation [2020-07-17 21:22:15,232 WARN L170 areAnnotationChecker]: L264 has no Hoare annotation [2020-07-17 21:22:15,232 WARN L170 areAnnotationChecker]: L849 has no Hoare annotation [2020-07-17 21:22:15,232 WARN L170 areAnnotationChecker]: L849 has no Hoare annotation [2020-07-17 21:22:15,232 WARN L170 areAnnotationChecker]: L776 has no Hoare annotation [2020-07-17 21:22:15,232 WARN L170 areAnnotationChecker]: L776 has no Hoare annotation [2020-07-17 21:22:15,232 WARN L170 areAnnotationChecker]: L754 has no Hoare annotation [2020-07-17 21:22:15,233 WARN L170 areAnnotationChecker]: cleanupEXIT has no Hoare annotation [2020-07-17 21:22:15,233 WARN L170 areAnnotationChecker]: cleanupEXIT has no Hoare annotation [2020-07-17 21:22:15,233 WARN L170 areAnnotationChecker]: L747 has no Hoare annotation [2020-07-17 21:22:15,233 WARN L170 areAnnotationChecker]: L747 has no Hoare annotation [2020-07-17 21:22:15,233 WARN L170 areAnnotationChecker]: L250 has no Hoare annotation [2020-07-17 21:22:15,233 WARN L170 areAnnotationChecker]: L250 has no Hoare annotation [2020-07-17 21:22:15,233 WARN L170 areAnnotationChecker]: L773 has no Hoare annotation [2020-07-17 21:22:15,233 WARN L170 areAnnotationChecker]: L773 has no Hoare annotation [2020-07-17 21:22:15,233 WARN L170 areAnnotationChecker]: L536 has no Hoare annotation [2020-07-17 21:22:15,233 WARN L170 areAnnotationChecker]: L536 has no Hoare annotation [2020-07-17 21:22:15,234 WARN L170 areAnnotationChecker]: L506 has no Hoare annotation [2020-07-17 21:22:15,234 WARN L170 areAnnotationChecker]: printPumpFINAL has no Hoare annotation [2020-07-17 21:22:15,234 WARN L170 areAnnotationChecker]: L781 has no Hoare annotation [2020-07-17 21:22:15,234 WARN L170 areAnnotationChecker]: L781 has no Hoare annotation [2020-07-17 21:22:15,234 WARN L170 areAnnotationChecker]: L266 has no Hoare annotation [2020-07-17 21:22:15,234 WARN L170 areAnnotationChecker]: L266 has no Hoare annotation [2020-07-17 21:22:15,234 WARN L170 areAnnotationChecker]: L777 has no Hoare annotation [2020-07-17 21:22:15,234 WARN L170 areAnnotationChecker]: L777 has no Hoare annotation [2020-07-17 21:22:15,234 WARN L170 areAnnotationChecker]: Specification2FINAL has no Hoare annotation [2020-07-17 21:22:15,234 WARN L170 areAnnotationChecker]: L747-1 has no Hoare annotation [2020-07-17 21:22:15,235 WARN L170 areAnnotationChecker]: L747-1 has no Hoare annotation [2020-07-17 21:22:15,235 WARN L170 areAnnotationChecker]: L520 has no Hoare annotation [2020-07-17 21:22:15,235 WARN L170 areAnnotationChecker]: L520 has no Hoare annotation [2020-07-17 21:22:15,235 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-17 21:22:15,235 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-17 21:22:15,235 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-17 21:22:15,235 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-17 21:22:15,235 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-17 21:22:15,235 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-17 21:22:15,235 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-17 21:22:15,236 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-17 21:22:15,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 09:22:15 BoogieIcfgContainer [2020-07-17 21:22:15,239 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 21:22:15,241 INFO L168 Benchmark]: Toolchain (without parser) took 56636.89 ms. Allocated memory was 140.0 MB in the beginning and 702.5 MB in the end (delta: 562.6 MB). Free memory was 103.4 MB in the beginning and 343.7 MB in the end (delta: -240.4 MB). Peak memory consumption was 322.2 MB. Max. memory is 7.1 GB. [2020-07-17 21:22:15,242 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 140.0 MB. Free memory was 123.1 MB in the beginning and 122.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-17 21:22:15,243 INFO L168 Benchmark]: CACSL2BoogieTranslator took 662.72 ms. Allocated memory was 140.0 MB in the beginning and 203.9 MB in the end (delta: 64.0 MB). Free memory was 102.9 MB in the beginning and 170.1 MB in the end (delta: -67.2 MB). Peak memory consumption was 27.8 MB. Max. memory is 7.1 GB. [2020-07-17 21:22:15,243 INFO L168 Benchmark]: Boogie Preprocessor took 107.40 ms. Allocated memory is still 203.9 MB. Free memory was 170.1 MB in the beginning and 164.8 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 7.1 GB. [2020-07-17 21:22:15,244 INFO L168 Benchmark]: RCFGBuilder took 1668.82 ms. Allocated memory was 203.9 MB in the beginning and 235.4 MB in the end (delta: 31.5 MB). Free memory was 164.2 MB in the beginning and 92.2 MB in the end (delta: 72.0 MB). Peak memory consumption was 103.4 MB. Max. memory is 7.1 GB. [2020-07-17 21:22:15,245 INFO L168 Benchmark]: TraceAbstraction took 54191.70 ms. Allocated memory was 235.4 MB in the beginning and 702.5 MB in the end (delta: 467.1 MB). Free memory was 92.2 MB in the beginning and 343.7 MB in the end (delta: -251.5 MB). Peak memory consumption was 215.6 MB. Max. memory is 7.1 GB. [2020-07-17 21:22:15,248 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 0.21 ms. Allocated memory is still 140.0 MB. Free memory was 123.1 MB in the beginning and 122.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 662.72 ms. Allocated memory was 140.0 MB in the beginning and 203.9 MB in the end (delta: 64.0 MB). Free memory was 102.9 MB in the beginning and 170.1 MB in the end (delta: -67.2 MB). Peak memory consumption was 27.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 107.40 ms. Allocated memory is still 203.9 MB. Free memory was 170.1 MB in the beginning and 164.8 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1668.82 ms. Allocated memory was 203.9 MB in the beginning and 235.4 MB in the end (delta: 31.5 MB). Free memory was 164.2 MB in the beginning and 92.2 MB in the end (delta: 72.0 MB). Peak memory consumption was 103.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 54191.70 ms. Allocated memory was 235.4 MB in the beginning and 702.5 MB in the end (delta: 467.1 MB). Free memory was 92.2 MB in the beginning and 343.7 MB in the end (delta: -251.5 MB). Peak memory consumption was 215.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 870]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L49] int pumpRunning = 0; [L50] int systemActive = 1; [L454] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L652] int waterLevel = 1; [L653] int methaneLevelCritical = 0; [L732] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=172, \old(head)=176, \old(head)=165, \old(methaneLevelCritical)=146, \old(pumpRunning)=139, \old(systemActive)=138, \old(waterLevel)=144, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L808] int retValue_acc ; [L809] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L813] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L814] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L815] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L901] int retValue_acc ; [L904] retValue_acc = 1 [L905] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L815] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L815] tmp = valid_product() [L817] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L819] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L820] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L799] CALL test() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L219] int splverifierCounter ; [L220] int tmp ; [L221] int tmp___0 ; [L222] int tmp___1 ; [L223] int tmp___2 ; [L226] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L228] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L230] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L236] tmp = __VERIFIER_nondet_int() [L238] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, waterLevel=1] [L240] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L670] COND TRUE waterLevel < 2 [L671] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L240] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, waterLevel=2] [L246] tmp___0 = __VERIFIER_nondet_int() [L248] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, tmp___0=0, waterLevel=2] [L256] tmp___2 = __VERIFIER_nondet_int() [L258] COND FALSE !(\read(tmp___2)) [L262] tmp___1 = __VERIFIER_nondet_int() [L264] COND TRUE \read(tmp___1) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, tmp___0=0, tmp___1=-2, tmp___2=0, waterLevel=2] [L266] CALL stopSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L203] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L210] systemActive = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L266] RET stopSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=0, tmp=-1, tmp___0=0, tmp___1=-2, tmp___2=0, waterLevel=2] [L273] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L57] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L64] COND FALSE !(\read(systemActive)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L72] CALL __utac_acc__Specification3_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L833] int tmp ; [L834] int tmp___0 ; [L835] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L839] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L691] int retValue_acc ; [L694] retValue_acc = methaneLevelCritical [L695] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2] [L839] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L839] tmp = isMethaneLevelCritical() [L841] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, waterLevel=2] [L845] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L723] int retValue_acc ; [L726] retValue_acc = waterLevel [L727] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=0, waterLevel=2] [L845] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, waterLevel=2] [L845] tmp___0 = getWaterLevel() [L847] COND TRUE tmp___0 == 2 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, waterLevel=2] [L849] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L155] int retValue_acc ; [L158] retValue_acc = pumpRunning [L159] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2] [L849] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, waterLevel=2] [L849] tmp___1 = isPumpRunning() [L851] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L855] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L870] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 220 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 53.9s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 41.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 412 SDtfs, 578 SDslu, 330 SDs, 0 SdLazy, 1657 SolverSat, 352 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 102 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 4.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=429occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 9.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 174 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 292 NumberOfCodeBlocks, 292 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 221 ConstructedInterpolants, 0 QuantifiedInterpolants, 61524 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...