/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_product16.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 21:21:17,212 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 21:21:17,215 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 21:21:17,233 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 21:21:17,233 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 21:21:17,234 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 21:21:17,236 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 21:21:17,247 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 21:21:17,252 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 21:21:17,256 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 21:21:17,258 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 21:21:17,260 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 21:21:17,260 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 21:21:17,262 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 21:21:17,264 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 21:21:17,265 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 21:21:17,266 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 21:21:17,267 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 21:21:17,269 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 21:21:17,274 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 21:21:17,279 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 21:21:17,282 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 21:21:17,283 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 21:21:17,284 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 21:21:17,286 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-17 21:21:17,286 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-17 21:21:17,287 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-17 21:21:17,289 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-17 21:21:17,289 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-17 21:21:17,290 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-17 21:21:17,290 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-17 21:21:17,291 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-17 21:21:17,292 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-17 21:21:17,293 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-17 21:21:17,294 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-17 21:21:17,294 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-17 21:21:17,295 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-17 21:21:17,295 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-17 21:21:17,295 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 21:21:17,296 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 21:21:17,298 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 21:21:17,298 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 21:21:17,334 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 21:21:17,335 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 21:21:17,339 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-17 21:21:17,339 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-17 21:21:17,340 INFO L138 SettingsManager]: * Use SBE=true [2020-07-17 21:21:17,340 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 21:21:17,340 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 21:21:17,343 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 21:21:17,344 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 21:21:17,344 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 21:21:17,344 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 21:21:17,344 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 21:21:17,344 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 21:21:17,344 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 21:21:17,345 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 21:21:17,345 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 21:21:17,345 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 21:21:17,345 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 21:21:17,345 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-17 21:21:17,346 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 21:21:17,346 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 21:21:17,346 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 21:21:17,347 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 21:21:17,347 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-17 21:21:17,347 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-17 21:21:17,347 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-17 21:21:17,347 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-17 21:21:17,348 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 21:21:17,348 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-17 21:21:17,348 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-17 21:21:17,655 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 21:21:17,671 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 21:21:17,674 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 21:21:17,676 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 21:21:17,676 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 21:21:17,677 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product16.cil.c [2020-07-17 21:21:17,753 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d15287001/8c2b047641a841b6a65aeefa716314c8/FLAGbf3f7342b [2020-07-17 21:21:18,316 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 21:21:18,317 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product16.cil.c [2020-07-17 21:21:18,330 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d15287001/8c2b047641a841b6a65aeefa716314c8/FLAGbf3f7342b [2020-07-17 21:21:18,653 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d15287001/8c2b047641a841b6a65aeefa716314c8 [2020-07-17 21:21:18,661 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 21:21:18,663 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 21:21:18,664 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 21:21:18,665 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 21:21:18,668 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 21:21:18,670 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 09:21:18" (1/1) ... [2020-07-17 21:21:18,673 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41e0f70d 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 21:21:18,674 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 09:21:18" (1/1) ... [2020-07-17 21:21:18,682 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 21:21:18,743 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 21:21:19,162 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 21:21:19,180 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 21:21:19,317 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 21:21:19,351 INFO L208 MainTranslator]: Completed translation [2020-07-17 21:21:19,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:21:19 WrapperNode [2020-07-17 21:21:19,352 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 21:21:19,353 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 21:21:19,353 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 21:21:19,353 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 21:21:19,367 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 21:21:19,368 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 21:21:19,387 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 21:21:19,388 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 21:21:19,438 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 21:21:19,453 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 21:21:19,458 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 21:21:19,469 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 21:21:19,470 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 21:21:19,473 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 21:21:19,473 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 21:21:19,475 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 21:21:19,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 21:21:19,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 21:21:19,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-17 21:21:19,567 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-17 21:21:19,567 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-17 21:21:19,567 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-17 21:21:19,568 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-17 21:21:19,568 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-17 21:21:19,569 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 21:21:19,569 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-17 21:21:19,569 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-17 21:21:19,570 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-17 21:21:19,570 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-17 21:21:19,571 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-17 21:21:19,571 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-17 21:21:19,572 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-17 21:21:19,572 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-17 21:21:19,572 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-07-17 21:21:19,572 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-17 21:21:19,572 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-07-17 21:21:19,572 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-17 21:21:19,573 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-17 21:21:19,573 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-17 21:21:19,573 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-17 21:21:19,573 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-17 21:21:19,574 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-17 21:21:19,574 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-17 21:21:19,574 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-17 21:21:19,574 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-17 21:21:19,575 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-17 21:21:19,575 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-17 21:21:19,575 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-17 21:21:19,575 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-17 21:21:19,575 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-17 21:21:19,575 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-17 21:21:19,575 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-17 21:21:19,576 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-17 21:21:19,576 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-07-17 21:21:19,576 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 21:21:19,576 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-17 21:21:19,576 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-17 21:21:19,577 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-17 21:21:19,577 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-17 21:21:19,577 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-17 21:21:19,577 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-17 21:21:19,577 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-17 21:21:19,577 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-17 21:21:19,578 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-17 21:21:19,578 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-17 21:21:19,579 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-17 21:21:19,579 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-17 21:21:19,579 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-17 21:21:19,579 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-17 21:21:19,579 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-17 21:21:19,579 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 21:21:19,579 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-17 21:21:19,580 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-17 21:21:19,580 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-17 21:21:19,580 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-17 21:21:19,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-17 21:21:19,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-17 21:21:19,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-17 21:21:19,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-17 21:21:19,581 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-17 21:21:19,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-17 21:21:19,581 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-17 21:21:19,581 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-17 21:21:19,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-17 21:21:19,582 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-17 21:21:19,582 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-17 21:21:19,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-17 21:21:19,582 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-17 21:21:19,582 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-17 21:21:19,583 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-17 21:21:19,583 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-17 21:21:19,584 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-17 21:21:19,584 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-17 21:21:19,584 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-17 21:21:19,584 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-17 21:21:19,584 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-17 21:21:19,584 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-07-17 21:21:19,585 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-17 21:21:19,585 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-07-17 21:21:19,585 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-17 21:21:19,585 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-07-17 21:21:19,585 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-17 21:21:19,586 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-17 21:21:19,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 21:21:19,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-17 21:21:19,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 21:21:21,257 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 21:21:21,258 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-17 21:21:21,263 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 09:21:21 BoogieIcfgContainer [2020-07-17 21:21:21,263 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 21:21:21,265 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 21:21:21,265 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 21:21:21,268 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 21:21:21,269 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 09:21:18" (1/3) ... [2020-07-17 21:21:21,270 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62060470 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 21:21:21,270 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 21:21:21,270 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62060470 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 21:21:21,270 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 21:21:21,272 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product16.cil.c [2020-07-17 21:21:21,283 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-17 21:21:21,292 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 21:21:21,307 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 21:21:21,331 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 21:21:21,331 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 21:21:21,331 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-17 21:21:21,331 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 21:21:21,332 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 21:21:21,332 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 21:21:21,332 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 21:21:21,332 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 21:21:21,356 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states. [2020-07-17 21:21:21,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-17 21:21:21,385 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 21:21:21,386 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 21:21:21,387 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 21:21:21,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 21:21:21,392 INFO L82 PathProgramCache]: Analyzing trace with hash -490913979, now seen corresponding path program 1 times [2020-07-17 21:21:21,400 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 21:21:21,400 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085259317] [2020-07-17 21:21:21,401 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 21:21:21,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:22,129 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 21:21:22,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:22,238 INFO L280 TraceCheckUtils]: 0: Hoare triple {192#(and (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(30);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(9);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(21);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(25);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(13);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string50.base, #t~string50.offset, 1);call write~init~int(80, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(117, #t~string50.base, 2 + #t~string50.offset, 1);call write~init~int(109, #t~string50.base, 3 + #t~string50.offset, 1);call write~init~int(112, #t~string50.base, 4 + #t~string50.offset, 1);call write~init~int(58, #t~string50.base, 5 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 6 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(110, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 2 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 2 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 3 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string56.base, #t~string56.offset, 1);call write~init~int(32, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string58.base, #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 1 + #t~string58.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(13);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string63.base, #t~string63.offset, 1);call write~init~int(77, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(101, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(116, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(104, #t~string63.base, 4 + #t~string63.offset, 1);call write~init~int(58, #t~string63.base, 5 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 6 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string65.base, #t~string65.offset, 1);call write~init~int(82, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(73, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(84, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 4 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(75, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {169#true} is VALID [2020-07-17 21:21:22,239 INFO L280 TraceCheckUtils]: 1: Hoare triple {169#true} assume true; {169#true} is VALID [2020-07-17 21:21:22,239 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {169#true} {169#true} #503#return; {169#true} is VALID [2020-07-17 21:21:22,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:22,249 INFO L280 TraceCheckUtils]: 0: Hoare triple {169#true} assume true; {169#true} is VALID [2020-07-17 21:21:22,250 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {169#true} {169#true} #409#return; {169#true} is VALID [2020-07-17 21:21:22,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:22,253 INFO L280 TraceCheckUtils]: 0: Hoare triple {169#true} assume true; {169#true} is VALID [2020-07-17 21:21:22,253 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {169#true} {169#true} #411#return; {169#true} is VALID [2020-07-17 21:21:22,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:22,257 INFO L280 TraceCheckUtils]: 0: Hoare triple {169#true} havoc ~retValue_acc~7;~retValue_acc~7 := 1;#res := ~retValue_acc~7; {169#true} is VALID [2020-07-17 21:21:22,258 INFO L280 TraceCheckUtils]: 1: Hoare triple {169#true} assume true; {169#true} is VALID [2020-07-17 21:21:22,258 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {169#true} {169#true} #413#return; {169#true} is VALID [2020-07-17 21:21:22,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:22,262 INFO L280 TraceCheckUtils]: 0: Hoare triple {169#true} assume true; {169#true} is VALID [2020-07-17 21:21:22,262 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {169#true} {169#true} #415#return; {169#true} is VALID [2020-07-17 21:21:22,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:22,266 INFO L280 TraceCheckUtils]: 0: Hoare triple {169#true} havoc ~retValue_acc~8;~retValue_acc~8 := ~methaneLevelCritical~0;#res := ~retValue_acc~8; {169#true} is VALID [2020-07-17 21:21:22,266 INFO L280 TraceCheckUtils]: 1: Hoare triple {169#true} assume true; {169#true} is VALID [2020-07-17 21:21:22,267 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {169#true} {170#false} #495#return; {170#false} is VALID [2020-07-17 21:21:22,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:22,271 INFO L280 TraceCheckUtils]: 0: Hoare triple {169#true} havoc ~retValue_acc~9;~retValue_acc~9 := ~waterLevel~0;#res := ~retValue_acc~9; {169#true} is VALID [2020-07-17 21:21:22,271 INFO L280 TraceCheckUtils]: 1: Hoare triple {169#true} assume true; {169#true} is VALID [2020-07-17 21:21:22,272 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {169#true} {170#false} #497#return; {170#false} is VALID [2020-07-17 21:21:22,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:22,275 INFO L280 TraceCheckUtils]: 0: Hoare triple {169#true} havoc ~retValue_acc~5;~retValue_acc~5 := ~pumpRunning~0;#res := ~retValue_acc~5; {169#true} is VALID [2020-07-17 21:21:22,276 INFO L280 TraceCheckUtils]: 1: Hoare triple {169#true} assume true; {169#true} is VALID [2020-07-17 21:21:22,276 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {169#true} {170#false} #499#return; {170#false} is VALID [2020-07-17 21:21:22,282 INFO L263 TraceCheckUtils]: 0: Hoare triple {169#true} call ULTIMATE.init(); {192#(and (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|))} is VALID [2020-07-17 21:21:22,283 INFO L280 TraceCheckUtils]: 1: Hoare triple {192#(and (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(30);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(9);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(21);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(25);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(13);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string50.base, #t~string50.offset, 1);call write~init~int(80, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(117, #t~string50.base, 2 + #t~string50.offset, 1);call write~init~int(109, #t~string50.base, 3 + #t~string50.offset, 1);call write~init~int(112, #t~string50.base, 4 + #t~string50.offset, 1);call write~init~int(58, #t~string50.base, 5 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 6 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(110, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 2 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 2 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 3 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string56.base, #t~string56.offset, 1);call write~init~int(32, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string58.base, #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 1 + #t~string58.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(13);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string63.base, #t~string63.offset, 1);call write~init~int(77, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(101, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(116, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(104, #t~string63.base, 4 + #t~string63.offset, 1);call write~init~int(58, #t~string63.base, 5 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 6 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string65.base, #t~string65.offset, 1);call write~init~int(82, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(73, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(84, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 4 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(75, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {169#true} is VALID [2020-07-17 21:21:22,283 INFO L280 TraceCheckUtils]: 2: Hoare triple {169#true} assume true; {169#true} is VALID [2020-07-17 21:21:22,283 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {169#true} {169#true} #503#return; {169#true} is VALID [2020-07-17 21:21:22,284 INFO L263 TraceCheckUtils]: 4: Hoare triple {169#true} call #t~ret73 := main(); {169#true} is VALID [2020-07-17 21:21:22,284 INFO L280 TraceCheckUtils]: 5: Hoare triple {169#true} havoc ~retValue_acc~0;havoc ~tmp~0; {169#true} is VALID [2020-07-17 21:21:22,284 INFO L263 TraceCheckUtils]: 6: Hoare triple {169#true} call select_helpers(); {169#true} is VALID [2020-07-17 21:21:22,285 INFO L280 TraceCheckUtils]: 7: Hoare triple {169#true} assume true; {169#true} is VALID [2020-07-17 21:21:22,285 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {169#true} {169#true} #409#return; {169#true} is VALID [2020-07-17 21:21:22,285 INFO L263 TraceCheckUtils]: 9: Hoare triple {169#true} call select_features(); {169#true} is VALID [2020-07-17 21:21:22,286 INFO L280 TraceCheckUtils]: 10: Hoare triple {169#true} assume true; {169#true} is VALID [2020-07-17 21:21:22,286 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {169#true} {169#true} #411#return; {169#true} is VALID [2020-07-17 21:21:22,286 INFO L263 TraceCheckUtils]: 12: Hoare triple {169#true} call #t~ret0 := valid_product(); {169#true} is VALID [2020-07-17 21:21:22,287 INFO L280 TraceCheckUtils]: 13: Hoare triple {169#true} havoc ~retValue_acc~7;~retValue_acc~7 := 1;#res := ~retValue_acc~7; {169#true} is VALID [2020-07-17 21:21:22,287 INFO L280 TraceCheckUtils]: 14: Hoare triple {169#true} assume true; {169#true} is VALID [2020-07-17 21:21:22,287 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {169#true} {169#true} #413#return; {169#true} is VALID [2020-07-17 21:21:22,288 INFO L280 TraceCheckUtils]: 16: Hoare triple {169#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647;~tmp~0 := #t~ret0;havoc #t~ret0; {169#true} is VALID [2020-07-17 21:21:22,288 INFO L280 TraceCheckUtils]: 17: Hoare triple {169#true} assume 0 != ~tmp~0; {169#true} is VALID [2020-07-17 21:21:22,288 INFO L263 TraceCheckUtils]: 18: Hoare triple {169#true} call setup(); {169#true} is VALID [2020-07-17 21:21:22,289 INFO L280 TraceCheckUtils]: 19: Hoare triple {169#true} assume true; {169#true} is VALID [2020-07-17 21:21:22,289 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {169#true} {169#true} #415#return; {169#true} is VALID [2020-07-17 21:21:22,289 INFO L263 TraceCheckUtils]: 21: Hoare triple {169#true} call runTest(); {169#true} is VALID [2020-07-17 21:21:22,289 INFO L263 TraceCheckUtils]: 22: Hoare triple {169#true} call test(); {169#true} is VALID [2020-07-17 21:21:22,290 INFO L280 TraceCheckUtils]: 23: Hoare triple {169#true} havoc ~splverifierCounter~0;havoc ~tmp~4;havoc ~tmp___0~0;havoc ~tmp___1~0;havoc ~tmp___2~0;~splverifierCounter~0 := 0; {169#true} is VALID [2020-07-17 21:21:22,291 INFO L280 TraceCheckUtils]: 24: Hoare triple {169#true} assume !true; {170#false} is VALID [2020-07-17 21:21:22,291 INFO L263 TraceCheckUtils]: 25: Hoare triple {170#false} call cleanup(); {170#false} is VALID [2020-07-17 21:21:22,292 INFO L280 TraceCheckUtils]: 26: Hoare triple {170#false} havoc ~i~0;havoc ~__cil_tmp2~0; {170#false} is VALID [2020-07-17 21:21:22,292 INFO L263 TraceCheckUtils]: 27: Hoare triple {170#false} call timeShift(); {170#false} is VALID [2020-07-17 21:21:22,292 INFO L280 TraceCheckUtils]: 28: Hoare triple {170#false} assume !(0 != ~pumpRunning~0); {170#false} is VALID [2020-07-17 21:21:22,293 INFO L280 TraceCheckUtils]: 29: Hoare triple {170#false} assume !(0 != ~systemActive~0); {170#false} is VALID [2020-07-17 21:21:22,293 INFO L263 TraceCheckUtils]: 30: Hoare triple {170#false} call __utac_acc__Specification3_spec__1(); {170#false} is VALID [2020-07-17 21:21:22,293 INFO L280 TraceCheckUtils]: 31: Hoare triple {170#false} havoc ~tmp~7;havoc ~tmp___0~1;havoc ~tmp___1~1; {170#false} is VALID [2020-07-17 21:21:22,294 INFO L263 TraceCheckUtils]: 32: Hoare triple {170#false} call #t~ret70 := isMethaneLevelCritical(); {169#true} is VALID [2020-07-17 21:21:22,294 INFO L280 TraceCheckUtils]: 33: Hoare triple {169#true} havoc ~retValue_acc~8;~retValue_acc~8 := ~methaneLevelCritical~0;#res := ~retValue_acc~8; {169#true} is VALID [2020-07-17 21:21:22,294 INFO L280 TraceCheckUtils]: 34: Hoare triple {169#true} assume true; {169#true} is VALID [2020-07-17 21:21:22,294 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {169#true} {170#false} #495#return; {170#false} is VALID [2020-07-17 21:21:22,295 INFO L280 TraceCheckUtils]: 36: Hoare triple {170#false} assume -2147483648 <= #t~ret70 && #t~ret70 <= 2147483647;~tmp~7 := #t~ret70;havoc #t~ret70; {170#false} is VALID [2020-07-17 21:21:22,295 INFO L280 TraceCheckUtils]: 37: Hoare triple {170#false} assume !(0 != ~tmp~7); {170#false} is VALID [2020-07-17 21:21:22,295 INFO L263 TraceCheckUtils]: 38: Hoare triple {170#false} call #t~ret71 := getWaterLevel(); {169#true} is VALID [2020-07-17 21:21:22,296 INFO L280 TraceCheckUtils]: 39: Hoare triple {169#true} havoc ~retValue_acc~9;~retValue_acc~9 := ~waterLevel~0;#res := ~retValue_acc~9; {169#true} is VALID [2020-07-17 21:21:22,296 INFO L280 TraceCheckUtils]: 40: Hoare triple {169#true} assume true; {169#true} is VALID [2020-07-17 21:21:22,296 INFO L275 TraceCheckUtils]: 41: Hoare quadruple {169#true} {170#false} #497#return; {170#false} is VALID [2020-07-17 21:21:22,297 INFO L280 TraceCheckUtils]: 42: Hoare triple {170#false} assume -2147483648 <= #t~ret71 && #t~ret71 <= 2147483647;~tmp___0~1 := #t~ret71;havoc #t~ret71; {170#false} is VALID [2020-07-17 21:21:22,297 INFO L280 TraceCheckUtils]: 43: Hoare triple {170#false} assume 2 == ~tmp___0~1; {170#false} is VALID [2020-07-17 21:21:22,297 INFO L263 TraceCheckUtils]: 44: Hoare triple {170#false} call #t~ret72 := isPumpRunning(); {169#true} is VALID [2020-07-17 21:21:22,298 INFO L280 TraceCheckUtils]: 45: Hoare triple {169#true} havoc ~retValue_acc~5;~retValue_acc~5 := ~pumpRunning~0;#res := ~retValue_acc~5; {169#true} is VALID [2020-07-17 21:21:22,298 INFO L280 TraceCheckUtils]: 46: Hoare triple {169#true} assume true; {169#true} is VALID [2020-07-17 21:21:22,298 INFO L275 TraceCheckUtils]: 47: Hoare quadruple {169#true} {170#false} #499#return; {170#false} is VALID [2020-07-17 21:21:22,299 INFO L280 TraceCheckUtils]: 48: Hoare triple {170#false} assume -2147483648 <= #t~ret72 && #t~ret72 <= 2147483647;~tmp___1~1 := #t~ret72;havoc #t~ret72; {170#false} is VALID [2020-07-17 21:21:22,299 INFO L280 TraceCheckUtils]: 49: Hoare triple {170#false} assume !(0 != ~tmp___1~1); {170#false} is VALID [2020-07-17 21:21:22,299 INFO L263 TraceCheckUtils]: 50: Hoare triple {170#false} call __automaton_fail(); {170#false} is VALID [2020-07-17 21:21:22,299 INFO L280 TraceCheckUtils]: 51: Hoare triple {170#false} assume !false; {170#false} is VALID [2020-07-17 21:21:22,308 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 21:21:22,309 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085259317] [2020-07-17 21:21:22,310 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 21:21:22,310 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-17 21:21:22,311 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127300579] [2020-07-17 21:21:22,317 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-17 21:21:22,320 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 21:21:22,324 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-17 21:21:22,427 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 21:21:22,427 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-17 21:21:22,428 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 21:21:22,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-17 21:21:22,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-17 21:21:22,440 INFO L87 Difference]: Start difference. First operand 166 states. Second operand 3 states. [2020-07-17 21:21:26,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:21:26,632 INFO L93 Difference]: Finished difference Result 272 states and 360 transitions. [2020-07-17 21:21:26,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-17 21:21:26,632 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-17 21:21:26,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 21:21:26,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-17 21:21:26,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 360 transitions. [2020-07-17 21:21:26,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-17 21:21:26,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 360 transitions. [2020-07-17 21:21:26,682 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 360 transitions. [2020-07-17 21:21:27,914 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 360 edges. 360 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 21:21:27,937 INFO L225 Difference]: With dead ends: 272 [2020-07-17 21:21:27,937 INFO L226 Difference]: Without dead ends: 148 [2020-07-17 21:21:27,942 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 21:21:27,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2020-07-17 21:21:29,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 115. [2020-07-17 21:21:29,138 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 21:21:29,139 INFO L82 GeneralOperation]: Start isEquivalent. First operand 148 states. Second operand 115 states. [2020-07-17 21:21:29,140 INFO L74 IsIncluded]: Start isIncluded. First operand 148 states. Second operand 115 states. [2020-07-17 21:21:29,140 INFO L87 Difference]: Start difference. First operand 148 states. Second operand 115 states. [2020-07-17 21:21:29,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:21:29,173 INFO L93 Difference]: Finished difference Result 148 states and 188 transitions. [2020-07-17 21:21:29,174 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 188 transitions. [2020-07-17 21:21:29,181 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 21:21:29,182 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 21:21:29,182 INFO L74 IsIncluded]: Start isIncluded. First operand 115 states. Second operand 148 states. [2020-07-17 21:21:29,182 INFO L87 Difference]: Start difference. First operand 115 states. Second operand 148 states. [2020-07-17 21:21:29,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:21:29,210 INFO L93 Difference]: Finished difference Result 148 states and 188 transitions. [2020-07-17 21:21:29,210 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 188 transitions. [2020-07-17 21:21:29,214 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 21:21:29,217 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 21:21:29,218 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 21:21:29,218 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 21:21:29,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-07-17 21:21:29,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 135 transitions. [2020-07-17 21:21:29,227 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 135 transitions. Word has length 52 [2020-07-17 21:21:29,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 21:21:29,228 INFO L479 AbstractCegarLoop]: Abstraction has 115 states and 135 transitions. [2020-07-17 21:21:29,228 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-17 21:21:29,228 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 135 transitions. [2020-07-17 21:21:29,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-07-17 21:21:29,231 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 21:21:29,231 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 21:21:29,231 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 21:21:29,232 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 21:21:29,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 21:21:29,235 INFO L82 PathProgramCache]: Analyzing trace with hash 30555541, now seen corresponding path program 1 times [2020-07-17 21:21:29,236 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 21:21:29,236 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502149051] [2020-07-17 21:21:29,243 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 21:21:29,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:29,673 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 21:21:29,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:29,739 INFO L280 TraceCheckUtils]: 0: Hoare triple {1063#(and (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(30);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(9);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(21);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(25);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(13);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string50.base, #t~string50.offset, 1);call write~init~int(80, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(117, #t~string50.base, 2 + #t~string50.offset, 1);call write~init~int(109, #t~string50.base, 3 + #t~string50.offset, 1);call write~init~int(112, #t~string50.base, 4 + #t~string50.offset, 1);call write~init~int(58, #t~string50.base, 5 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 6 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(110, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 2 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 2 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 3 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string56.base, #t~string56.offset, 1);call write~init~int(32, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string58.base, #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 1 + #t~string58.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(13);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string63.base, #t~string63.offset, 1);call write~init~int(77, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(101, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(116, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(104, #t~string63.base, 4 + #t~string63.offset, 1);call write~init~int(58, #t~string63.base, 5 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 6 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string65.base, #t~string65.offset, 1);call write~init~int(82, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(73, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(84, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 4 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(75, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {1039#true} is VALID [2020-07-17 21:21:29,740 INFO L280 TraceCheckUtils]: 1: Hoare triple {1039#true} assume true; {1039#true} is VALID [2020-07-17 21:21:29,740 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1039#true} {1039#true} #503#return; {1039#true} is VALID [2020-07-17 21:21:29,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:29,744 INFO L280 TraceCheckUtils]: 0: Hoare triple {1039#true} assume true; {1039#true} is VALID [2020-07-17 21:21:29,744 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1039#true} {1039#true} #409#return; {1039#true} is VALID [2020-07-17 21:21:29,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:29,748 INFO L280 TraceCheckUtils]: 0: Hoare triple {1039#true} assume true; {1039#true} is VALID [2020-07-17 21:21:29,749 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1039#true} {1039#true} #411#return; {1039#true} is VALID [2020-07-17 21:21:29,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:29,753 INFO L280 TraceCheckUtils]: 0: Hoare triple {1039#true} havoc ~retValue_acc~7;~retValue_acc~7 := 1;#res := ~retValue_acc~7; {1039#true} is VALID [2020-07-17 21:21:29,753 INFO L280 TraceCheckUtils]: 1: Hoare triple {1039#true} assume true; {1039#true} is VALID [2020-07-17 21:21:29,754 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1039#true} {1039#true} #413#return; {1039#true} is VALID [2020-07-17 21:21:29,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:29,758 INFO L280 TraceCheckUtils]: 0: Hoare triple {1039#true} assume true; {1039#true} is VALID [2020-07-17 21:21:29,759 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1039#true} {1039#true} #415#return; {1039#true} is VALID [2020-07-17 21:21:29,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:29,763 INFO L280 TraceCheckUtils]: 0: Hoare triple {1039#true} havoc ~retValue_acc~8;~retValue_acc~8 := ~methaneLevelCritical~0;#res := ~retValue_acc~8; {1039#true} is VALID [2020-07-17 21:21:29,764 INFO L280 TraceCheckUtils]: 1: Hoare triple {1039#true} assume true; {1039#true} is VALID [2020-07-17 21:21:29,764 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1039#true} {1040#false} #495#return; {1040#false} is VALID [2020-07-17 21:21:29,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:29,768 INFO L280 TraceCheckUtils]: 0: Hoare triple {1039#true} havoc ~retValue_acc~9;~retValue_acc~9 := ~waterLevel~0;#res := ~retValue_acc~9; {1039#true} is VALID [2020-07-17 21:21:29,769 INFO L280 TraceCheckUtils]: 1: Hoare triple {1039#true} assume true; {1039#true} is VALID [2020-07-17 21:21:29,769 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1039#true} {1040#false} #497#return; {1040#false} is VALID [2020-07-17 21:21:29,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:29,773 INFO L280 TraceCheckUtils]: 0: Hoare triple {1039#true} havoc ~retValue_acc~5;~retValue_acc~5 := ~pumpRunning~0;#res := ~retValue_acc~5; {1039#true} is VALID [2020-07-17 21:21:29,773 INFO L280 TraceCheckUtils]: 1: Hoare triple {1039#true} assume true; {1039#true} is VALID [2020-07-17 21:21:29,774 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1039#true} {1040#false} #499#return; {1040#false} is VALID [2020-07-17 21:21:29,781 INFO L263 TraceCheckUtils]: 0: Hoare triple {1039#true} call ULTIMATE.init(); {1063#(and (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|))} is VALID [2020-07-17 21:21:29,782 INFO L280 TraceCheckUtils]: 1: Hoare triple {1063#(and (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(30);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(9);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(21);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(25);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(13);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string50.base, #t~string50.offset, 1);call write~init~int(80, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(117, #t~string50.base, 2 + #t~string50.offset, 1);call write~init~int(109, #t~string50.base, 3 + #t~string50.offset, 1);call write~init~int(112, #t~string50.base, 4 + #t~string50.offset, 1);call write~init~int(58, #t~string50.base, 5 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 6 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(110, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 2 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 2 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 3 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string56.base, #t~string56.offset, 1);call write~init~int(32, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string58.base, #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 1 + #t~string58.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(13);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string63.base, #t~string63.offset, 1);call write~init~int(77, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(101, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(116, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(104, #t~string63.base, 4 + #t~string63.offset, 1);call write~init~int(58, #t~string63.base, 5 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 6 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string65.base, #t~string65.offset, 1);call write~init~int(82, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(73, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(84, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 4 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(75, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {1039#true} is VALID [2020-07-17 21:21:29,783 INFO L280 TraceCheckUtils]: 2: Hoare triple {1039#true} assume true; {1039#true} is VALID [2020-07-17 21:21:29,783 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {1039#true} {1039#true} #503#return; {1039#true} is VALID [2020-07-17 21:21:29,784 INFO L263 TraceCheckUtils]: 4: Hoare triple {1039#true} call #t~ret73 := main(); {1039#true} is VALID [2020-07-17 21:21:29,784 INFO L280 TraceCheckUtils]: 5: Hoare triple {1039#true} havoc ~retValue_acc~0;havoc ~tmp~0; {1039#true} is VALID [2020-07-17 21:21:29,784 INFO L263 TraceCheckUtils]: 6: Hoare triple {1039#true} call select_helpers(); {1039#true} is VALID [2020-07-17 21:21:29,785 INFO L280 TraceCheckUtils]: 7: Hoare triple {1039#true} assume true; {1039#true} is VALID [2020-07-17 21:21:29,785 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {1039#true} {1039#true} #409#return; {1039#true} is VALID [2020-07-17 21:21:29,786 INFO L263 TraceCheckUtils]: 9: Hoare triple {1039#true} call select_features(); {1039#true} is VALID [2020-07-17 21:21:29,786 INFO L280 TraceCheckUtils]: 10: Hoare triple {1039#true} assume true; {1039#true} is VALID [2020-07-17 21:21:29,787 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {1039#true} {1039#true} #411#return; {1039#true} is VALID [2020-07-17 21:21:29,787 INFO L263 TraceCheckUtils]: 12: Hoare triple {1039#true} call #t~ret0 := valid_product(); {1039#true} is VALID [2020-07-17 21:21:29,788 INFO L280 TraceCheckUtils]: 13: Hoare triple {1039#true} havoc ~retValue_acc~7;~retValue_acc~7 := 1;#res := ~retValue_acc~7; {1039#true} is VALID [2020-07-17 21:21:29,788 INFO L280 TraceCheckUtils]: 14: Hoare triple {1039#true} assume true; {1039#true} is VALID [2020-07-17 21:21:29,788 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {1039#true} {1039#true} #413#return; {1039#true} is VALID [2020-07-17 21:21:29,789 INFO L280 TraceCheckUtils]: 16: Hoare triple {1039#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647;~tmp~0 := #t~ret0;havoc #t~ret0; {1039#true} is VALID [2020-07-17 21:21:29,789 INFO L280 TraceCheckUtils]: 17: Hoare triple {1039#true} assume 0 != ~tmp~0; {1039#true} is VALID [2020-07-17 21:21:29,790 INFO L263 TraceCheckUtils]: 18: Hoare triple {1039#true} call setup(); {1039#true} is VALID [2020-07-17 21:21:29,790 INFO L280 TraceCheckUtils]: 19: Hoare triple {1039#true} assume true; {1039#true} is VALID [2020-07-17 21:21:29,790 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {1039#true} {1039#true} #415#return; {1039#true} is VALID [2020-07-17 21:21:29,791 INFO L263 TraceCheckUtils]: 21: Hoare triple {1039#true} call runTest(); {1039#true} is VALID [2020-07-17 21:21:29,791 INFO L263 TraceCheckUtils]: 22: Hoare triple {1039#true} call test(); {1039#true} is VALID [2020-07-17 21:21:29,793 INFO L280 TraceCheckUtils]: 23: Hoare triple {1039#true} havoc ~splverifierCounter~0;havoc ~tmp~4;havoc ~tmp___0~0;havoc ~tmp___1~0;havoc ~tmp___2~0;~splverifierCounter~0 := 0; {1053#(= 0 test_~splverifierCounter~0)} is VALID [2020-07-17 21:21:29,794 INFO L280 TraceCheckUtils]: 24: Hoare triple {1053#(= 0 test_~splverifierCounter~0)} assume !false; {1053#(= 0 test_~splverifierCounter~0)} is VALID [2020-07-17 21:21:29,795 INFO L280 TraceCheckUtils]: 25: Hoare triple {1053#(= 0 test_~splverifierCounter~0)} assume !(~splverifierCounter~0 < 4); {1040#false} is VALID [2020-07-17 21:21:29,796 INFO L263 TraceCheckUtils]: 26: Hoare triple {1040#false} call cleanup(); {1040#false} is VALID [2020-07-17 21:21:29,796 INFO L280 TraceCheckUtils]: 27: Hoare triple {1040#false} havoc ~i~0;havoc ~__cil_tmp2~0; {1040#false} is VALID [2020-07-17 21:21:29,796 INFO L263 TraceCheckUtils]: 28: Hoare triple {1040#false} call timeShift(); {1040#false} is VALID [2020-07-17 21:21:29,796 INFO L280 TraceCheckUtils]: 29: Hoare triple {1040#false} assume !(0 != ~pumpRunning~0); {1040#false} is VALID [2020-07-17 21:21:29,797 INFO L280 TraceCheckUtils]: 30: Hoare triple {1040#false} assume !(0 != ~systemActive~0); {1040#false} is VALID [2020-07-17 21:21:29,797 INFO L263 TraceCheckUtils]: 31: Hoare triple {1040#false} call __utac_acc__Specification3_spec__1(); {1040#false} is VALID [2020-07-17 21:21:29,797 INFO L280 TraceCheckUtils]: 32: Hoare triple {1040#false} havoc ~tmp~7;havoc ~tmp___0~1;havoc ~tmp___1~1; {1040#false} is VALID [2020-07-17 21:21:29,798 INFO L263 TraceCheckUtils]: 33: Hoare triple {1040#false} call #t~ret70 := isMethaneLevelCritical(); {1039#true} is VALID [2020-07-17 21:21:29,798 INFO L280 TraceCheckUtils]: 34: Hoare triple {1039#true} havoc ~retValue_acc~8;~retValue_acc~8 := ~methaneLevelCritical~0;#res := ~retValue_acc~8; {1039#true} is VALID [2020-07-17 21:21:29,798 INFO L280 TraceCheckUtils]: 35: Hoare triple {1039#true} assume true; {1039#true} is VALID [2020-07-17 21:21:29,799 INFO L275 TraceCheckUtils]: 36: Hoare quadruple {1039#true} {1040#false} #495#return; {1040#false} is VALID [2020-07-17 21:21:29,799 INFO L280 TraceCheckUtils]: 37: Hoare triple {1040#false} assume -2147483648 <= #t~ret70 && #t~ret70 <= 2147483647;~tmp~7 := #t~ret70;havoc #t~ret70; {1040#false} is VALID [2020-07-17 21:21:29,799 INFO L280 TraceCheckUtils]: 38: Hoare triple {1040#false} assume !(0 != ~tmp~7); {1040#false} is VALID [2020-07-17 21:21:29,800 INFO L263 TraceCheckUtils]: 39: Hoare triple {1040#false} call #t~ret71 := getWaterLevel(); {1039#true} is VALID [2020-07-17 21:21:29,800 INFO L280 TraceCheckUtils]: 40: Hoare triple {1039#true} havoc ~retValue_acc~9;~retValue_acc~9 := ~waterLevel~0;#res := ~retValue_acc~9; {1039#true} is VALID [2020-07-17 21:21:29,800 INFO L280 TraceCheckUtils]: 41: Hoare triple {1039#true} assume true; {1039#true} is VALID [2020-07-17 21:21:29,801 INFO L275 TraceCheckUtils]: 42: Hoare quadruple {1039#true} {1040#false} #497#return; {1040#false} is VALID [2020-07-17 21:21:29,801 INFO L280 TraceCheckUtils]: 43: Hoare triple {1040#false} assume -2147483648 <= #t~ret71 && #t~ret71 <= 2147483647;~tmp___0~1 := #t~ret71;havoc #t~ret71; {1040#false} is VALID [2020-07-17 21:21:29,801 INFO L280 TraceCheckUtils]: 44: Hoare triple {1040#false} assume 2 == ~tmp___0~1; {1040#false} is VALID [2020-07-17 21:21:29,801 INFO L263 TraceCheckUtils]: 45: Hoare triple {1040#false} call #t~ret72 := isPumpRunning(); {1039#true} is VALID [2020-07-17 21:21:29,802 INFO L280 TraceCheckUtils]: 46: Hoare triple {1039#true} havoc ~retValue_acc~5;~retValue_acc~5 := ~pumpRunning~0;#res := ~retValue_acc~5; {1039#true} is VALID [2020-07-17 21:21:29,802 INFO L280 TraceCheckUtils]: 47: Hoare triple {1039#true} assume true; {1039#true} is VALID [2020-07-17 21:21:29,802 INFO L275 TraceCheckUtils]: 48: Hoare quadruple {1039#true} {1040#false} #499#return; {1040#false} is VALID [2020-07-17 21:21:29,803 INFO L280 TraceCheckUtils]: 49: Hoare triple {1040#false} assume -2147483648 <= #t~ret72 && #t~ret72 <= 2147483647;~tmp___1~1 := #t~ret72;havoc #t~ret72; {1040#false} is VALID [2020-07-17 21:21:29,803 INFO L280 TraceCheckUtils]: 50: Hoare triple {1040#false} assume !(0 != ~tmp___1~1); {1040#false} is VALID [2020-07-17 21:21:29,803 INFO L263 TraceCheckUtils]: 51: Hoare triple {1040#false} call __automaton_fail(); {1040#false} is VALID [2020-07-17 21:21:29,803 INFO L280 TraceCheckUtils]: 52: Hoare triple {1040#false} assume !false; {1040#false} is VALID [2020-07-17 21:21:29,837 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 21:21:29,838 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502149051] [2020-07-17 21:21:29,838 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 21:21:29,838 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-17 21:21:29,838 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477647357] [2020-07-17 21:21:29,840 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2020-07-17 21:21:29,841 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 21:21:29,841 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-17 21:21:29,915 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 21:21:29,915 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-17 21:21:29,915 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 21:21:29,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-17 21:21:29,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-17 21:21:29,916 INFO L87 Difference]: Start difference. First operand 115 states and 135 transitions. Second operand 4 states. [2020-07-17 21:21:31,260 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 21:21:34,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:21:34,300 INFO L93 Difference]: Finished difference Result 195 states and 239 transitions. [2020-07-17 21:21:34,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-17 21:21:34,301 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2020-07-17 21:21:34,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 21:21:34,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-17 21:21:34,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 239 transitions. [2020-07-17 21:21:34,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-17 21:21:34,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 239 transitions. [2020-07-17 21:21:34,320 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 239 transitions. [2020-07-17 21:21:35,165 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 239 edges. 239 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 21:21:35,171 INFO L225 Difference]: With dead ends: 195 [2020-07-17 21:21:35,171 INFO L226 Difference]: Without dead ends: 132 [2020-07-17 21:21:35,173 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-17 21:21:35,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2020-07-17 21:21:36,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 106. [2020-07-17 21:21:36,378 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 21:21:36,378 INFO L82 GeneralOperation]: Start isEquivalent. First operand 132 states. Second operand 106 states. [2020-07-17 21:21:36,379 INFO L74 IsIncluded]: Start isIncluded. First operand 132 states. Second operand 106 states. [2020-07-17 21:21:36,379 INFO L87 Difference]: Start difference. First operand 132 states. Second operand 106 states. [2020-07-17 21:21:36,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:21:36,388 INFO L93 Difference]: Finished difference Result 132 states and 164 transitions. [2020-07-17 21:21:36,388 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 164 transitions. [2020-07-17 21:21:36,389 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 21:21:36,389 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 21:21:36,389 INFO L74 IsIncluded]: Start isIncluded. First operand 106 states. Second operand 132 states. [2020-07-17 21:21:36,389 INFO L87 Difference]: Start difference. First operand 106 states. Second operand 132 states. [2020-07-17 21:21:36,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:21:36,397 INFO L93 Difference]: Finished difference Result 132 states and 164 transitions. [2020-07-17 21:21:36,397 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 164 transitions. [2020-07-17 21:21:36,398 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 21:21:36,398 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 21:21:36,399 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 21:21:36,399 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 21:21:36,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-07-17 21:21:36,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 123 transitions. [2020-07-17 21:21:36,404 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 123 transitions. Word has length 53 [2020-07-17 21:21:36,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 21:21:36,404 INFO L479 AbstractCegarLoop]: Abstraction has 106 states and 123 transitions. [2020-07-17 21:21:36,405 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-17 21:21:36,405 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 123 transitions. [2020-07-17 21:21:36,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-07-17 21:21:36,406 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 21:21:36,407 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 21:21:36,407 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 21:21:36,407 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 21:21:36,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 21:21:36,407 INFO L82 PathProgramCache]: Analyzing trace with hash -150591273, now seen corresponding path program 1 times [2020-07-17 21:21:36,408 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 21:21:36,408 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661905621] [2020-07-17 21:21:36,408 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 21:21:36,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:36,774 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 21:21:36,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:36,857 INFO L280 TraceCheckUtils]: 0: Hoare triple {1794#(and (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(30);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(9);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(21);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(25);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(13);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string50.base, #t~string50.offset, 1);call write~init~int(80, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(117, #t~string50.base, 2 + #t~string50.offset, 1);call write~init~int(109, #t~string50.base, 3 + #t~string50.offset, 1);call write~init~int(112, #t~string50.base, 4 + #t~string50.offset, 1);call write~init~int(58, #t~string50.base, 5 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 6 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(110, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 2 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 2 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 3 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string56.base, #t~string56.offset, 1);call write~init~int(32, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string58.base, #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 1 + #t~string58.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(13);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string63.base, #t~string63.offset, 1);call write~init~int(77, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(101, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(116, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(104, #t~string63.base, 4 + #t~string63.offset, 1);call write~init~int(58, #t~string63.base, 5 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 6 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string65.base, #t~string65.offset, 1);call write~init~int(82, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(73, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(84, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 4 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(75, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {1772#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:21:36,860 INFO L280 TraceCheckUtils]: 1: Hoare triple {1772#(= 1 ~systemActive~0)} assume true; {1772#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:21:36,864 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1772#(= 1 ~systemActive~0)} {1767#true} #503#return; {1772#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:21:36,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:36,874 INFO L280 TraceCheckUtils]: 0: Hoare triple {1767#true} assume true; {1767#true} is VALID [2020-07-17 21:21:36,877 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1767#true} {1772#(= 1 ~systemActive~0)} #409#return; {1772#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:21:36,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:36,884 INFO L280 TraceCheckUtils]: 0: Hoare triple {1767#true} assume true; {1767#true} is VALID [2020-07-17 21:21:36,885 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1767#true} {1772#(= 1 ~systemActive~0)} #411#return; {1772#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:21:36,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:36,911 INFO L280 TraceCheckUtils]: 0: Hoare triple {1767#true} havoc ~retValue_acc~7;~retValue_acc~7 := 1;#res := ~retValue_acc~7; {1795#(= 1 |valid_product_#res|)} is VALID [2020-07-17 21:21:36,912 INFO L280 TraceCheckUtils]: 1: Hoare triple {1795#(= 1 |valid_product_#res|)} assume true; {1795#(= 1 |valid_product_#res|)} is VALID [2020-07-17 21:21:36,914 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1795#(= 1 |valid_product_#res|)} {1772#(= 1 ~systemActive~0)} #413#return; {1780#(= |main_#t~ret0| ~systemActive~0)} is VALID [2020-07-17 21:21:36,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:36,918 INFO L280 TraceCheckUtils]: 0: Hoare triple {1767#true} assume true; {1767#true} is VALID [2020-07-17 21:21:36,918 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1767#true} {1782#(not (= 0 ~systemActive~0))} #415#return; {1782#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:21:36,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:36,922 INFO L280 TraceCheckUtils]: 0: Hoare triple {1767#true} havoc ~retValue_acc~8;~retValue_acc~8 := ~methaneLevelCritical~0;#res := ~retValue_acc~8; {1767#true} is VALID [2020-07-17 21:21:36,922 INFO L280 TraceCheckUtils]: 1: Hoare triple {1767#true} assume true; {1767#true} is VALID [2020-07-17 21:21:36,922 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1767#true} {1768#false} #495#return; {1768#false} is VALID [2020-07-17 21:21:36,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:36,926 INFO L280 TraceCheckUtils]: 0: Hoare triple {1767#true} havoc ~retValue_acc~9;~retValue_acc~9 := ~waterLevel~0;#res := ~retValue_acc~9; {1767#true} is VALID [2020-07-17 21:21:36,926 INFO L280 TraceCheckUtils]: 1: Hoare triple {1767#true} assume true; {1767#true} is VALID [2020-07-17 21:21:36,926 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1767#true} {1768#false} #497#return; {1768#false} is VALID [2020-07-17 21:21:36,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:36,931 INFO L280 TraceCheckUtils]: 0: Hoare triple {1767#true} havoc ~retValue_acc~5;~retValue_acc~5 := ~pumpRunning~0;#res := ~retValue_acc~5; {1767#true} is VALID [2020-07-17 21:21:36,931 INFO L280 TraceCheckUtils]: 1: Hoare triple {1767#true} assume true; {1767#true} is VALID [2020-07-17 21:21:36,931 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1767#true} {1768#false} #499#return; {1768#false} is VALID [2020-07-17 21:21:36,936 INFO L263 TraceCheckUtils]: 0: Hoare triple {1767#true} call ULTIMATE.init(); {1794#(and (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|))} is VALID [2020-07-17 21:21:36,941 INFO L280 TraceCheckUtils]: 1: Hoare triple {1794#(and (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(30);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(9);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(21);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(25);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(13);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string50.base, #t~string50.offset, 1);call write~init~int(80, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(117, #t~string50.base, 2 + #t~string50.offset, 1);call write~init~int(109, #t~string50.base, 3 + #t~string50.offset, 1);call write~init~int(112, #t~string50.base, 4 + #t~string50.offset, 1);call write~init~int(58, #t~string50.base, 5 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 6 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(110, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 2 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 2 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 3 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string56.base, #t~string56.offset, 1);call write~init~int(32, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string58.base, #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 1 + #t~string58.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(13);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string63.base, #t~string63.offset, 1);call write~init~int(77, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(101, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(116, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(104, #t~string63.base, 4 + #t~string63.offset, 1);call write~init~int(58, #t~string63.base, 5 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 6 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string65.base, #t~string65.offset, 1);call write~init~int(82, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(73, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(84, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 4 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(75, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {1772#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:21:36,942 INFO L280 TraceCheckUtils]: 2: Hoare triple {1772#(= 1 ~systemActive~0)} assume true; {1772#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:21:36,943 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {1772#(= 1 ~systemActive~0)} {1767#true} #503#return; {1772#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:21:36,944 INFO L263 TraceCheckUtils]: 4: Hoare triple {1772#(= 1 ~systemActive~0)} call #t~ret73 := main(); {1772#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:21:36,944 INFO L280 TraceCheckUtils]: 5: Hoare triple {1772#(= 1 ~systemActive~0)} havoc ~retValue_acc~0;havoc ~tmp~0; {1772#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:21:36,945 INFO L263 TraceCheckUtils]: 6: Hoare triple {1772#(= 1 ~systemActive~0)} call select_helpers(); {1767#true} is VALID [2020-07-17 21:21:36,945 INFO L280 TraceCheckUtils]: 7: Hoare triple {1767#true} assume true; {1767#true} is VALID [2020-07-17 21:21:36,946 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {1767#true} {1772#(= 1 ~systemActive~0)} #409#return; {1772#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:21:36,946 INFO L263 TraceCheckUtils]: 9: Hoare triple {1772#(= 1 ~systemActive~0)} call select_features(); {1767#true} is VALID [2020-07-17 21:21:36,946 INFO L280 TraceCheckUtils]: 10: Hoare triple {1767#true} assume true; {1767#true} is VALID [2020-07-17 21:21:36,947 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {1767#true} {1772#(= 1 ~systemActive~0)} #411#return; {1772#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:21:36,947 INFO L263 TraceCheckUtils]: 12: Hoare triple {1772#(= 1 ~systemActive~0)} call #t~ret0 := valid_product(); {1767#true} is VALID [2020-07-17 21:21:36,948 INFO L280 TraceCheckUtils]: 13: Hoare triple {1767#true} havoc ~retValue_acc~7;~retValue_acc~7 := 1;#res := ~retValue_acc~7; {1795#(= 1 |valid_product_#res|)} is VALID [2020-07-17 21:21:36,948 INFO L280 TraceCheckUtils]: 14: Hoare triple {1795#(= 1 |valid_product_#res|)} assume true; {1795#(= 1 |valid_product_#res|)} is VALID [2020-07-17 21:21:36,949 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {1795#(= 1 |valid_product_#res|)} {1772#(= 1 ~systemActive~0)} #413#return; {1780#(= |main_#t~ret0| ~systemActive~0)} is VALID [2020-07-17 21:21:36,950 INFO L280 TraceCheckUtils]: 16: Hoare triple {1780#(= |main_#t~ret0| ~systemActive~0)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647;~tmp~0 := #t~ret0;havoc #t~ret0; {1781#(= main_~tmp~0 ~systemActive~0)} is VALID [2020-07-17 21:21:36,950 INFO L280 TraceCheckUtils]: 17: Hoare triple {1781#(= main_~tmp~0 ~systemActive~0)} assume 0 != ~tmp~0; {1782#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:21:36,951 INFO L263 TraceCheckUtils]: 18: Hoare triple {1782#(not (= 0 ~systemActive~0))} call setup(); {1767#true} is VALID [2020-07-17 21:21:36,951 INFO L280 TraceCheckUtils]: 19: Hoare triple {1767#true} assume true; {1767#true} is VALID [2020-07-17 21:21:36,952 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {1767#true} {1782#(not (= 0 ~systemActive~0))} #415#return; {1782#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:21:36,952 INFO L263 TraceCheckUtils]: 21: Hoare triple {1782#(not (= 0 ~systemActive~0))} call runTest(); {1782#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:21:36,953 INFO L263 TraceCheckUtils]: 22: Hoare triple {1782#(not (= 0 ~systemActive~0))} call test(); {1782#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:21:36,954 INFO L280 TraceCheckUtils]: 23: Hoare triple {1782#(not (= 0 ~systemActive~0))} havoc ~splverifierCounter~0;havoc ~tmp~4;havoc ~tmp___0~0;havoc ~tmp___1~0;havoc ~tmp___2~0;~splverifierCounter~0 := 0; {1782#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:21:36,959 INFO L280 TraceCheckUtils]: 24: Hoare triple {1782#(not (= 0 ~systemActive~0))} assume !false; {1782#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:21:36,959 INFO L280 TraceCheckUtils]: 25: Hoare triple {1782#(not (= 0 ~systemActive~0))} assume ~splverifierCounter~0 < 4; {1782#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:21:36,960 INFO L280 TraceCheckUtils]: 26: Hoare triple {1782#(not (= 0 ~systemActive~0))} assume -2147483648 <= #t~nondet36 && #t~nondet36 <= 2147483647;~tmp~4 := #t~nondet36;havoc #t~nondet36; {1782#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:21:36,960 INFO L280 TraceCheckUtils]: 27: Hoare triple {1782#(not (= 0 ~systemActive~0))} assume !(0 != ~tmp~4); {1782#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:21:36,961 INFO L280 TraceCheckUtils]: 28: Hoare triple {1782#(not (= 0 ~systemActive~0))} assume -2147483648 <= #t~nondet37 && #t~nondet37 <= 2147483647;~tmp___0~0 := #t~nondet37;havoc #t~nondet37; {1782#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:21:36,985 INFO L280 TraceCheckUtils]: 29: Hoare triple {1782#(not (= 0 ~systemActive~0))} assume !(0 != ~tmp___0~0); {1782#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:21:36,985 INFO L280 TraceCheckUtils]: 30: Hoare triple {1782#(not (= 0 ~systemActive~0))} assume -2147483648 <= #t~nondet38 && #t~nondet38 <= 2147483647;~tmp___2~0 := #t~nondet38;havoc #t~nondet38; {1782#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:21:36,986 INFO L280 TraceCheckUtils]: 31: Hoare triple {1782#(not (= 0 ~systemActive~0))} assume !(0 != ~tmp___2~0);assume -2147483648 <= #t~nondet39 && #t~nondet39 <= 2147483647;~tmp___1~0 := #t~nondet39;havoc #t~nondet39; {1782#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:21:36,987 INFO L280 TraceCheckUtils]: 32: Hoare triple {1782#(not (= 0 ~systemActive~0))} assume !(0 != ~tmp___1~0); {1782#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:21:36,987 INFO L263 TraceCheckUtils]: 33: Hoare triple {1782#(not (= 0 ~systemActive~0))} call timeShift(); {1782#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:21:36,988 INFO L280 TraceCheckUtils]: 34: Hoare triple {1782#(not (= 0 ~systemActive~0))} assume !(0 != ~pumpRunning~0); {1782#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:21:36,989 INFO L280 TraceCheckUtils]: 35: Hoare triple {1782#(not (= 0 ~systemActive~0))} assume !(0 != ~systemActive~0); {1768#false} is VALID [2020-07-17 21:21:36,989 INFO L263 TraceCheckUtils]: 36: Hoare triple {1768#false} call __utac_acc__Specification3_spec__1(); {1768#false} is VALID [2020-07-17 21:21:36,989 INFO L280 TraceCheckUtils]: 37: Hoare triple {1768#false} havoc ~tmp~7;havoc ~tmp___0~1;havoc ~tmp___1~1; {1768#false} is VALID [2020-07-17 21:21:36,990 INFO L263 TraceCheckUtils]: 38: Hoare triple {1768#false} call #t~ret70 := isMethaneLevelCritical(); {1767#true} is VALID [2020-07-17 21:21:36,990 INFO L280 TraceCheckUtils]: 39: Hoare triple {1767#true} havoc ~retValue_acc~8;~retValue_acc~8 := ~methaneLevelCritical~0;#res := ~retValue_acc~8; {1767#true} is VALID [2020-07-17 21:21:36,990 INFO L280 TraceCheckUtils]: 40: Hoare triple {1767#true} assume true; {1767#true} is VALID [2020-07-17 21:21:36,990 INFO L275 TraceCheckUtils]: 41: Hoare quadruple {1767#true} {1768#false} #495#return; {1768#false} is VALID [2020-07-17 21:21:36,991 INFO L280 TraceCheckUtils]: 42: Hoare triple {1768#false} assume -2147483648 <= #t~ret70 && #t~ret70 <= 2147483647;~tmp~7 := #t~ret70;havoc #t~ret70; {1768#false} is VALID [2020-07-17 21:21:36,991 INFO L280 TraceCheckUtils]: 43: Hoare triple {1768#false} assume !(0 != ~tmp~7); {1768#false} is VALID [2020-07-17 21:21:36,991 INFO L263 TraceCheckUtils]: 44: Hoare triple {1768#false} call #t~ret71 := getWaterLevel(); {1767#true} is VALID [2020-07-17 21:21:36,991 INFO L280 TraceCheckUtils]: 45: Hoare triple {1767#true} havoc ~retValue_acc~9;~retValue_acc~9 := ~waterLevel~0;#res := ~retValue_acc~9; {1767#true} is VALID [2020-07-17 21:21:36,992 INFO L280 TraceCheckUtils]: 46: Hoare triple {1767#true} assume true; {1767#true} is VALID [2020-07-17 21:21:36,992 INFO L275 TraceCheckUtils]: 47: Hoare quadruple {1767#true} {1768#false} #497#return; {1768#false} is VALID [2020-07-17 21:21:36,992 INFO L280 TraceCheckUtils]: 48: Hoare triple {1768#false} assume -2147483648 <= #t~ret71 && #t~ret71 <= 2147483647;~tmp___0~1 := #t~ret71;havoc #t~ret71; {1768#false} is VALID [2020-07-17 21:21:36,994 INFO L280 TraceCheckUtils]: 49: Hoare triple {1768#false} assume 2 == ~tmp___0~1; {1768#false} is VALID [2020-07-17 21:21:36,994 INFO L263 TraceCheckUtils]: 50: Hoare triple {1768#false} call #t~ret72 := isPumpRunning(); {1767#true} is VALID [2020-07-17 21:21:36,994 INFO L280 TraceCheckUtils]: 51: Hoare triple {1767#true} havoc ~retValue_acc~5;~retValue_acc~5 := ~pumpRunning~0;#res := ~retValue_acc~5; {1767#true} is VALID [2020-07-17 21:21:36,994 INFO L280 TraceCheckUtils]: 52: Hoare triple {1767#true} assume true; {1767#true} is VALID [2020-07-17 21:21:36,994 INFO L275 TraceCheckUtils]: 53: Hoare quadruple {1767#true} {1768#false} #499#return; {1768#false} is VALID [2020-07-17 21:21:36,995 INFO L280 TraceCheckUtils]: 54: Hoare triple {1768#false} assume -2147483648 <= #t~ret72 && #t~ret72 <= 2147483647;~tmp___1~1 := #t~ret72;havoc #t~ret72; {1768#false} is VALID [2020-07-17 21:21:36,995 INFO L280 TraceCheckUtils]: 55: Hoare triple {1768#false} assume !(0 != ~tmp___1~1); {1768#false} is VALID [2020-07-17 21:21:36,995 INFO L263 TraceCheckUtils]: 56: Hoare triple {1768#false} call __automaton_fail(); {1768#false} is VALID [2020-07-17 21:21:36,995 INFO L280 TraceCheckUtils]: 57: Hoare triple {1768#false} assume !false; {1768#false} is VALID [2020-07-17 21:21:37,005 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 21:21:37,005 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661905621] [2020-07-17 21:21:37,005 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 21:21:37,006 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-17 21:21:37,007 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095497497] [2020-07-17 21:21:37,008 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58 [2020-07-17 21:21:37,009 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 21:21:37,009 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2020-07-17 21:21:37,084 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 58 edges. 58 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 21:21:37,085 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-17 21:21:37,085 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 21:21:37,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-17 21:21:37,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-17 21:21:37,086 INFO L87 Difference]: Start difference. First operand 106 states and 123 transitions. Second operand 8 states. [2020-07-17 21:21:37,913 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 21:21:38,831 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 21:21:39,253 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 21:21:39,564 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 21:21:43,521 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 21:21:52,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:21:52,762 INFO L93 Difference]: Finished difference Result 375 states and 467 transitions. [2020-07-17 21:21:52,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-17 21:21:52,762 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58 [2020-07-17 21:21:52,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 21:21:52,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-17 21:21:52,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 467 transitions. [2020-07-17 21:21:52,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-17 21:21:52,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 467 transitions. [2020-07-17 21:21:52,784 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states and 467 transitions. [2020-07-17 21:21:54,599 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 467 edges. 467 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 21:21:54,611 INFO L225 Difference]: With dead ends: 375 [2020-07-17 21:21:54,611 INFO L226 Difference]: Without dead ends: 293 [2020-07-17 21:21:54,613 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 21:21:54,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2020-07-17 21:21:57,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 232. [2020-07-17 21:21:57,276 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 21:21:57,276 INFO L82 GeneralOperation]: Start isEquivalent. First operand 293 states. Second operand 232 states. [2020-07-17 21:21:57,277 INFO L74 IsIncluded]: Start isIncluded. First operand 293 states. Second operand 232 states. [2020-07-17 21:21:57,277 INFO L87 Difference]: Start difference. First operand 293 states. Second operand 232 states. [2020-07-17 21:21:57,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:21:57,294 INFO L93 Difference]: Finished difference Result 293 states and 361 transitions. [2020-07-17 21:21:57,294 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 361 transitions. [2020-07-17 21:21:57,296 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 21:21:57,296 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 21:21:57,296 INFO L74 IsIncluded]: Start isIncluded. First operand 232 states. Second operand 293 states. [2020-07-17 21:21:57,296 INFO L87 Difference]: Start difference. First operand 232 states. Second operand 293 states. [2020-07-17 21:21:57,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:21:57,314 INFO L93 Difference]: Finished difference Result 293 states and 361 transitions. [2020-07-17 21:21:57,314 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 361 transitions. [2020-07-17 21:21:57,316 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 21:21:57,316 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 21:21:57,316 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 21:21:57,316 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 21:21:57,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 232 states. [2020-07-17 21:21:57,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 281 transitions. [2020-07-17 21:21:57,329 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 281 transitions. Word has length 58 [2020-07-17 21:21:57,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 21:21:57,330 INFO L479 AbstractCegarLoop]: Abstraction has 232 states and 281 transitions. [2020-07-17 21:21:57,330 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-17 21:21:57,330 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 281 transitions. [2020-07-17 21:21:57,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-07-17 21:21:57,332 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 21:21:57,332 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 21:21:57,332 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-17 21:21:57,332 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 21:21:57,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 21:21:57,333 INFO L82 PathProgramCache]: Analyzing trace with hash 1860592830, now seen corresponding path program 1 times [2020-07-17 21:21:57,333 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 21:21:57,333 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105707877] [2020-07-17 21:21:57,333 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 21:21:57,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:57,686 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 21:21:57,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:57,784 INFO L280 TraceCheckUtils]: 0: Hoare triple {3286#(and (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(30);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(9);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(21);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(25);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(13);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string50.base, #t~string50.offset, 1);call write~init~int(80, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(117, #t~string50.base, 2 + #t~string50.offset, 1);call write~init~int(109, #t~string50.base, 3 + #t~string50.offset, 1);call write~init~int(112, #t~string50.base, 4 + #t~string50.offset, 1);call write~init~int(58, #t~string50.base, 5 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 6 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(110, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 2 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 2 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 3 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string56.base, #t~string56.offset, 1);call write~init~int(32, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string58.base, #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 1 + #t~string58.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(13);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string63.base, #t~string63.offset, 1);call write~init~int(77, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(101, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(116, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(104, #t~string63.base, 4 + #t~string63.offset, 1);call write~init~int(58, #t~string63.base, 5 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 6 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string65.base, #t~string65.offset, 1);call write~init~int(82, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(73, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(84, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 4 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(75, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {3261#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:57,785 INFO L280 TraceCheckUtils]: 1: Hoare triple {3261#(= 1 ~waterLevel~0)} assume true; {3261#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:57,792 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {3261#(= 1 ~waterLevel~0)} {3256#true} #503#return; {3261#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:57,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:57,800 INFO L280 TraceCheckUtils]: 0: Hoare triple {3256#true} assume true; {3256#true} is VALID [2020-07-17 21:21:57,800 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {3256#true} {3261#(= 1 ~waterLevel~0)} #409#return; {3261#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:57,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:57,806 INFO L280 TraceCheckUtils]: 0: Hoare triple {3256#true} assume true; {3256#true} is VALID [2020-07-17 21:21:57,807 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {3256#true} {3261#(= 1 ~waterLevel~0)} #411#return; {3261#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:57,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:57,812 INFO L280 TraceCheckUtils]: 0: Hoare triple {3256#true} havoc ~retValue_acc~7;~retValue_acc~7 := 1;#res := ~retValue_acc~7; {3256#true} is VALID [2020-07-17 21:21:57,812 INFO L280 TraceCheckUtils]: 1: Hoare triple {3256#true} assume true; {3256#true} is VALID [2020-07-17 21:21:57,813 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {3256#true} {3261#(= 1 ~waterLevel~0)} #413#return; {3261#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:57,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:57,816 INFO L280 TraceCheckUtils]: 0: Hoare triple {3256#true} assume true; {3256#true} is VALID [2020-07-17 21:21:57,817 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {3256#true} {3261#(= 1 ~waterLevel~0)} #415#return; {3261#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:57,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:57,841 INFO L280 TraceCheckUtils]: 0: Hoare triple {3287#(and (= ~systemActive~0 |old(~systemActive~0)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|))} assume !(0 != ~pumpRunning~0); {3256#true} is VALID [2020-07-17 21:21:57,842 INFO L280 TraceCheckUtils]: 1: Hoare triple {3256#true} ~systemActive~0 := 0; {3256#true} is VALID [2020-07-17 21:21:57,842 INFO L280 TraceCheckUtils]: 2: Hoare triple {3256#true} assume true; {3256#true} is VALID [2020-07-17 21:21:57,844 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {3256#true} {3261#(= 1 ~waterLevel~0)} #465#return; {3261#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:57,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:57,848 INFO L280 TraceCheckUtils]: 0: Hoare triple {3256#true} havoc ~retValue_acc~8;~retValue_acc~8 := ~methaneLevelCritical~0;#res := ~retValue_acc~8; {3256#true} is VALID [2020-07-17 21:21:57,849 INFO L280 TraceCheckUtils]: 1: Hoare triple {3256#true} assume true; {3256#true} is VALID [2020-07-17 21:21:57,849 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {3256#true} {3261#(= 1 ~waterLevel~0)} #495#return; {3261#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:57,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:57,868 INFO L280 TraceCheckUtils]: 0: Hoare triple {3256#true} havoc ~retValue_acc~9;~retValue_acc~9 := ~waterLevel~0;#res := ~retValue_acc~9; {3288#(= |getWaterLevel_#res| ~waterLevel~0)} is VALID [2020-07-17 21:21:57,869 INFO L280 TraceCheckUtils]: 1: Hoare triple {3288#(= |getWaterLevel_#res| ~waterLevel~0)} assume true; {3288#(= |getWaterLevel_#res| ~waterLevel~0)} is VALID [2020-07-17 21:21:57,870 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {3288#(= |getWaterLevel_#res| ~waterLevel~0)} {3261#(= 1 ~waterLevel~0)} #497#return; {3281#(= 1 |__utac_acc__Specification3_spec__1_#t~ret71|)} is VALID [2020-07-17 21:21:57,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:57,873 INFO L280 TraceCheckUtils]: 0: Hoare triple {3256#true} havoc ~retValue_acc~5;~retValue_acc~5 := ~pumpRunning~0;#res := ~retValue_acc~5; {3256#true} is VALID [2020-07-17 21:21:57,874 INFO L280 TraceCheckUtils]: 1: Hoare triple {3256#true} assume true; {3256#true} is VALID [2020-07-17 21:21:57,874 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {3256#true} {3257#false} #499#return; {3257#false} is VALID [2020-07-17 21:21:57,878 INFO L263 TraceCheckUtils]: 0: Hoare triple {3256#true} call ULTIMATE.init(); {3286#(and (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|))} is VALID [2020-07-17 21:21:57,883 INFO L280 TraceCheckUtils]: 1: Hoare triple {3286#(and (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(30);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(9);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(21);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(25);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(13);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string50.base, #t~string50.offset, 1);call write~init~int(80, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(117, #t~string50.base, 2 + #t~string50.offset, 1);call write~init~int(109, #t~string50.base, 3 + #t~string50.offset, 1);call write~init~int(112, #t~string50.base, 4 + #t~string50.offset, 1);call write~init~int(58, #t~string50.base, 5 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 6 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(110, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 2 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 2 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 3 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string56.base, #t~string56.offset, 1);call write~init~int(32, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string58.base, #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 1 + #t~string58.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(13);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string63.base, #t~string63.offset, 1);call write~init~int(77, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(101, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(116, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(104, #t~string63.base, 4 + #t~string63.offset, 1);call write~init~int(58, #t~string63.base, 5 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 6 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string65.base, #t~string65.offset, 1);call write~init~int(82, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(73, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(84, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 4 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(75, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {3261#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:57,884 INFO L280 TraceCheckUtils]: 2: Hoare triple {3261#(= 1 ~waterLevel~0)} assume true; {3261#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:57,887 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {3261#(= 1 ~waterLevel~0)} {3256#true} #503#return; {3261#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:57,888 INFO L263 TraceCheckUtils]: 4: Hoare triple {3261#(= 1 ~waterLevel~0)} call #t~ret73 := main(); {3261#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:57,889 INFO L280 TraceCheckUtils]: 5: Hoare triple {3261#(= 1 ~waterLevel~0)} havoc ~retValue_acc~0;havoc ~tmp~0; {3261#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:57,890 INFO L263 TraceCheckUtils]: 6: Hoare triple {3261#(= 1 ~waterLevel~0)} call select_helpers(); {3256#true} is VALID [2020-07-17 21:21:57,890 INFO L280 TraceCheckUtils]: 7: Hoare triple {3256#true} assume true; {3256#true} is VALID [2020-07-17 21:21:57,891 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {3256#true} {3261#(= 1 ~waterLevel~0)} #409#return; {3261#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:57,891 INFO L263 TraceCheckUtils]: 9: Hoare triple {3261#(= 1 ~waterLevel~0)} call select_features(); {3256#true} is VALID [2020-07-17 21:21:57,891 INFO L280 TraceCheckUtils]: 10: Hoare triple {3256#true} assume true; {3256#true} is VALID [2020-07-17 21:21:57,893 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {3256#true} {3261#(= 1 ~waterLevel~0)} #411#return; {3261#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:57,893 INFO L263 TraceCheckUtils]: 12: Hoare triple {3261#(= 1 ~waterLevel~0)} call #t~ret0 := valid_product(); {3256#true} is VALID [2020-07-17 21:21:57,893 INFO L280 TraceCheckUtils]: 13: Hoare triple {3256#true} havoc ~retValue_acc~7;~retValue_acc~7 := 1;#res := ~retValue_acc~7; {3256#true} is VALID [2020-07-17 21:21:57,893 INFO L280 TraceCheckUtils]: 14: Hoare triple {3256#true} assume true; {3256#true} is VALID [2020-07-17 21:21:57,895 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {3256#true} {3261#(= 1 ~waterLevel~0)} #413#return; {3261#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:57,896 INFO L280 TraceCheckUtils]: 16: Hoare triple {3261#(= 1 ~waterLevel~0)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647;~tmp~0 := #t~ret0;havoc #t~ret0; {3261#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:57,897 INFO L280 TraceCheckUtils]: 17: Hoare triple {3261#(= 1 ~waterLevel~0)} assume 0 != ~tmp~0; {3261#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:57,897 INFO L263 TraceCheckUtils]: 18: Hoare triple {3261#(= 1 ~waterLevel~0)} call setup(); {3256#true} is VALID [2020-07-17 21:21:57,897 INFO L280 TraceCheckUtils]: 19: Hoare triple {3256#true} assume true; {3256#true} is VALID [2020-07-17 21:21:57,898 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {3256#true} {3261#(= 1 ~waterLevel~0)} #415#return; {3261#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:57,899 INFO L263 TraceCheckUtils]: 21: Hoare triple {3261#(= 1 ~waterLevel~0)} call runTest(); {3261#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:57,900 INFO L263 TraceCheckUtils]: 22: Hoare triple {3261#(= 1 ~waterLevel~0)} call test(); {3261#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:57,900 INFO L280 TraceCheckUtils]: 23: Hoare triple {3261#(= 1 ~waterLevel~0)} havoc ~splverifierCounter~0;havoc ~tmp~4;havoc ~tmp___0~0;havoc ~tmp___1~0;havoc ~tmp___2~0;~splverifierCounter~0 := 0; {3261#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:57,901 INFO L280 TraceCheckUtils]: 24: Hoare triple {3261#(= 1 ~waterLevel~0)} assume !false; {3261#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:57,901 INFO L280 TraceCheckUtils]: 25: Hoare triple {3261#(= 1 ~waterLevel~0)} assume ~splverifierCounter~0 < 4; {3261#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:57,901 INFO L280 TraceCheckUtils]: 26: Hoare triple {3261#(= 1 ~waterLevel~0)} assume -2147483648 <= #t~nondet36 && #t~nondet36 <= 2147483647;~tmp~4 := #t~nondet36;havoc #t~nondet36; {3261#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:57,902 INFO L280 TraceCheckUtils]: 27: Hoare triple {3261#(= 1 ~waterLevel~0)} assume !(0 != ~tmp~4); {3261#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:57,902 INFO L280 TraceCheckUtils]: 28: Hoare triple {3261#(= 1 ~waterLevel~0)} assume -2147483648 <= #t~nondet37 && #t~nondet37 <= 2147483647;~tmp___0~0 := #t~nondet37;havoc #t~nondet37; {3261#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:57,903 INFO L280 TraceCheckUtils]: 29: Hoare triple {3261#(= 1 ~waterLevel~0)} assume !(0 != ~tmp___0~0); {3261#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:57,903 INFO L280 TraceCheckUtils]: 30: Hoare triple {3261#(= 1 ~waterLevel~0)} assume -2147483648 <= #t~nondet38 && #t~nondet38 <= 2147483647;~tmp___2~0 := #t~nondet38;havoc #t~nondet38; {3261#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:57,903 INFO L280 TraceCheckUtils]: 31: Hoare triple {3261#(= 1 ~waterLevel~0)} assume !(0 != ~tmp___2~0);assume -2147483648 <= #t~nondet39 && #t~nondet39 <= 2147483647;~tmp___1~0 := #t~nondet39;havoc #t~nondet39; {3261#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:57,904 INFO L280 TraceCheckUtils]: 32: Hoare triple {3261#(= 1 ~waterLevel~0)} assume 0 != ~tmp___1~0; {3261#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:57,904 INFO L263 TraceCheckUtils]: 33: Hoare triple {3261#(= 1 ~waterLevel~0)} call stopSystem(); {3287#(and (= ~systemActive~0 |old(~systemActive~0)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|))} is VALID [2020-07-17 21:21:57,905 INFO L280 TraceCheckUtils]: 34: Hoare triple {3287#(and (= ~systemActive~0 |old(~systemActive~0)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|))} assume !(0 != ~pumpRunning~0); {3256#true} is VALID [2020-07-17 21:21:57,905 INFO L280 TraceCheckUtils]: 35: Hoare triple {3256#true} ~systemActive~0 := 0; {3256#true} is VALID [2020-07-17 21:21:57,905 INFO L280 TraceCheckUtils]: 36: Hoare triple {3256#true} assume true; {3256#true} is VALID [2020-07-17 21:21:57,906 INFO L275 TraceCheckUtils]: 37: Hoare quadruple {3256#true} {3261#(= 1 ~waterLevel~0)} #465#return; {3261#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:57,908 INFO L263 TraceCheckUtils]: 38: Hoare triple {3261#(= 1 ~waterLevel~0)} call timeShift(); {3261#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:57,909 INFO L280 TraceCheckUtils]: 39: Hoare triple {3261#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {3261#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:57,909 INFO L280 TraceCheckUtils]: 40: Hoare triple {3261#(= 1 ~waterLevel~0)} assume !(0 != ~systemActive~0); {3261#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:57,910 INFO L263 TraceCheckUtils]: 41: Hoare triple {3261#(= 1 ~waterLevel~0)} call __utac_acc__Specification3_spec__1(); {3261#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:57,910 INFO L280 TraceCheckUtils]: 42: Hoare triple {3261#(= 1 ~waterLevel~0)} havoc ~tmp~7;havoc ~tmp___0~1;havoc ~tmp___1~1; {3261#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:57,910 INFO L263 TraceCheckUtils]: 43: Hoare triple {3261#(= 1 ~waterLevel~0)} call #t~ret70 := isMethaneLevelCritical(); {3256#true} is VALID [2020-07-17 21:21:57,910 INFO L280 TraceCheckUtils]: 44: Hoare triple {3256#true} havoc ~retValue_acc~8;~retValue_acc~8 := ~methaneLevelCritical~0;#res := ~retValue_acc~8; {3256#true} is VALID [2020-07-17 21:21:57,910 INFO L280 TraceCheckUtils]: 45: Hoare triple {3256#true} assume true; {3256#true} is VALID [2020-07-17 21:21:57,911 INFO L275 TraceCheckUtils]: 46: Hoare quadruple {3256#true} {3261#(= 1 ~waterLevel~0)} #495#return; {3261#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:57,912 INFO L280 TraceCheckUtils]: 47: Hoare triple {3261#(= 1 ~waterLevel~0)} assume -2147483648 <= #t~ret70 && #t~ret70 <= 2147483647;~tmp~7 := #t~ret70;havoc #t~ret70; {3261#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:57,912 INFO L280 TraceCheckUtils]: 48: Hoare triple {3261#(= 1 ~waterLevel~0)} assume !(0 != ~tmp~7); {3261#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:21:57,913 INFO L263 TraceCheckUtils]: 49: Hoare triple {3261#(= 1 ~waterLevel~0)} call #t~ret71 := getWaterLevel(); {3256#true} is VALID [2020-07-17 21:21:57,913 INFO L280 TraceCheckUtils]: 50: Hoare triple {3256#true} havoc ~retValue_acc~9;~retValue_acc~9 := ~waterLevel~0;#res := ~retValue_acc~9; {3288#(= |getWaterLevel_#res| ~waterLevel~0)} is VALID [2020-07-17 21:21:57,914 INFO L280 TraceCheckUtils]: 51: Hoare triple {3288#(= |getWaterLevel_#res| ~waterLevel~0)} assume true; {3288#(= |getWaterLevel_#res| ~waterLevel~0)} is VALID [2020-07-17 21:21:57,915 INFO L275 TraceCheckUtils]: 52: Hoare quadruple {3288#(= |getWaterLevel_#res| ~waterLevel~0)} {3261#(= 1 ~waterLevel~0)} #497#return; {3281#(= 1 |__utac_acc__Specification3_spec__1_#t~ret71|)} is VALID [2020-07-17 21:21:57,916 INFO L280 TraceCheckUtils]: 53: Hoare triple {3281#(= 1 |__utac_acc__Specification3_spec__1_#t~ret71|)} assume -2147483648 <= #t~ret71 && #t~ret71 <= 2147483647;~tmp___0~1 := #t~ret71;havoc #t~ret71; {3282#(= 1 __utac_acc__Specification3_spec__1_~tmp___0~1)} is VALID [2020-07-17 21:21:57,917 INFO L280 TraceCheckUtils]: 54: Hoare triple {3282#(= 1 __utac_acc__Specification3_spec__1_~tmp___0~1)} assume 2 == ~tmp___0~1; {3257#false} is VALID [2020-07-17 21:21:57,917 INFO L263 TraceCheckUtils]: 55: Hoare triple {3257#false} call #t~ret72 := isPumpRunning(); {3256#true} is VALID [2020-07-17 21:21:57,917 INFO L280 TraceCheckUtils]: 56: Hoare triple {3256#true} havoc ~retValue_acc~5;~retValue_acc~5 := ~pumpRunning~0;#res := ~retValue_acc~5; {3256#true} is VALID [2020-07-17 21:21:57,918 INFO L280 TraceCheckUtils]: 57: Hoare triple {3256#true} assume true; {3256#true} is VALID [2020-07-17 21:21:57,918 INFO L275 TraceCheckUtils]: 58: Hoare quadruple {3256#true} {3257#false} #499#return; {3257#false} is VALID [2020-07-17 21:21:57,918 INFO L280 TraceCheckUtils]: 59: Hoare triple {3257#false} assume -2147483648 <= #t~ret72 && #t~ret72 <= 2147483647;~tmp___1~1 := #t~ret72;havoc #t~ret72; {3257#false} is VALID [2020-07-17 21:21:57,918 INFO L280 TraceCheckUtils]: 60: Hoare triple {3257#false} assume !(0 != ~tmp___1~1); {3257#false} is VALID [2020-07-17 21:21:57,918 INFO L263 TraceCheckUtils]: 61: Hoare triple {3257#false} call __automaton_fail(); {3257#false} is VALID [2020-07-17 21:21:57,919 INFO L280 TraceCheckUtils]: 62: Hoare triple {3257#false} assume !false; {3257#false} is VALID [2020-07-17 21:21:57,930 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 21:21:57,930 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105707877] [2020-07-17 21:21:57,930 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 21:21:57,930 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-17 21:21:57,934 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611236888] [2020-07-17 21:21:57,934 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 63 [2020-07-17 21:21:57,935 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 21:21:57,935 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2020-07-17 21:21:58,020 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 21:21:58,021 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-17 21:21:58,021 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 21:21:58,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-17 21:21:58,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-17 21:21:58,021 INFO L87 Difference]: Start difference. First operand 232 states and 281 transitions. Second operand 8 states. [2020-07-17 21:21:58,752 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 21:22:06,880 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 21:22:07,677 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 21:22:08,138 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 21:22:08,589 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 21:22:13,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:22:13,135 INFO L93 Difference]: Finished difference Result 711 states and 941 transitions. [2020-07-17 21:22:13,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-17 21:22:13,135 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 63 [2020-07-17 21:22:13,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 21:22:13,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-17 21:22:13,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 429 transitions. [2020-07-17 21:22:13,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-17 21:22:13,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 429 transitions. [2020-07-17 21:22:13,155 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states and 429 transitions. [2020-07-17 21:22:14,545 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 429 edges. 429 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 21:22:14,573 INFO L225 Difference]: With dead ends: 711 [2020-07-17 21:22:14,573 INFO L226 Difference]: Without dead ends: 503 [2020-07-17 21:22:14,576 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 21:22:14,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 503 states. [2020-07-17 21:22:19,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 503 to 437. [2020-07-17 21:22:19,295 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 21:22:19,295 INFO L82 GeneralOperation]: Start isEquivalent. First operand 503 states. Second operand 437 states. [2020-07-17 21:22:19,295 INFO L74 IsIncluded]: Start isIncluded. First operand 503 states. Second operand 437 states. [2020-07-17 21:22:19,295 INFO L87 Difference]: Start difference. First operand 503 states. Second operand 437 states. [2020-07-17 21:22:19,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:22:19,326 INFO L93 Difference]: Finished difference Result 503 states and 656 transitions. [2020-07-17 21:22:19,327 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 656 transitions. [2020-07-17 21:22:19,329 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 21:22:19,329 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 21:22:19,329 INFO L74 IsIncluded]: Start isIncluded. First operand 437 states. Second operand 503 states. [2020-07-17 21:22:19,329 INFO L87 Difference]: Start difference. First operand 437 states. Second operand 503 states. [2020-07-17 21:22:19,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:22:19,361 INFO L93 Difference]: Finished difference Result 503 states and 656 transitions. [2020-07-17 21:22:19,361 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 656 transitions. [2020-07-17 21:22:19,363 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 21:22:19,364 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 21:22:19,364 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 21:22:19,364 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 21:22:19,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 437 states. [2020-07-17 21:22:19,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 437 states and 543 transitions. [2020-07-17 21:22:19,385 INFO L78 Accepts]: Start accepts. Automaton has 437 states and 543 transitions. Word has length 63 [2020-07-17 21:22:19,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 21:22:19,386 INFO L479 AbstractCegarLoop]: Abstraction has 437 states and 543 transitions. [2020-07-17 21:22:19,386 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-17 21:22:19,386 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 543 transitions. [2020-07-17 21:22:19,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-07-17 21:22:19,388 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 21:22:19,388 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 21:22:19,388 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-17 21:22:19,388 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 21:22:19,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 21:22:19,389 INFO L82 PathProgramCache]: Analyzing trace with hash -1880541084, now seen corresponding path program 1 times [2020-07-17 21:22:19,389 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 21:22:19,389 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983263291] [2020-07-17 21:22:19,390 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 21:22:19,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 21:22:19,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 21:22:19,566 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-17 21:22:19,566 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-17 21:22:19,567 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-17 21:22:19,779 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_freeENTRY has no Hoare annotation [2020-07-17 21:22:19,779 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_resetENTRY has no Hoare annotation [2020-07-17 21:22:19,779 WARN L170 areAnnotationChecker]: select_helpersFINAL has no Hoare annotation [2020-07-17 21:22:19,779 WARN L170 areAnnotationChecker]: valid_productENTRY has no Hoare annotation [2020-07-17 21:22:19,779 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-17 21:22:19,779 WARN L170 areAnnotationChecker]: Specification2ENTRY has no Hoare annotation [2020-07-17 21:22:19,779 WARN L170 areAnnotationChecker]: Specification2ENTRY has no Hoare annotation [2020-07-17 21:22:19,780 WARN L170 areAnnotationChecker]: processEnvironment__wrappee__methaneQueryFINAL has no Hoare annotation [2020-07-17 21:22:19,780 WARN L170 areAnnotationChecker]: stopSystemENTRY has no Hoare annotation [2020-07-17 21:22:19,780 WARN L170 areAnnotationChecker]: stopSystemENTRY has no Hoare annotation [2020-07-17 21:22:19,780 WARN L170 areAnnotationChecker]: activatePump__wrappee__baseENTRY has no Hoare annotation [2020-07-17 21:22:19,780 WARN L170 areAnnotationChecker]: isPumpRunningENTRY has no Hoare annotation [2020-07-17 21:22:19,780 WARN L170 areAnnotationChecker]: printPumpENTRY has no Hoare annotation [2020-07-17 21:22:19,780 WARN L170 areAnnotationChecker]: select_featuresFINAL has no Hoare annotation [2020-07-17 21:22:19,780 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_setENTRY has no Hoare annotation [2020-07-17 21:22:19,780 WARN L170 areAnnotationChecker]: runTestENTRY has no Hoare annotation [2020-07-17 21:22:19,780 WARN L170 areAnnotationChecker]: runTestENTRY has no Hoare annotation [2020-07-17 21:22:19,781 WARN L170 areAnnotationChecker]: __utac__get_this_argtypeENTRY has no Hoare annotation [2020-07-17 21:22:19,781 WARN L170 areAnnotationChecker]: isMethaneAlarmENTRY has no Hoare annotation [2020-07-17 21:22:19,781 WARN L170 areAnnotationChecker]: deactivatePumpENTRY has no Hoare annotation [2020-07-17 21:22:19,781 WARN L170 areAnnotationChecker]: processEnvironmentENTRY has no Hoare annotation [2020-07-17 21:22:19,781 WARN L170 areAnnotationChecker]: testENTRY has no Hoare annotation [2020-07-17 21:22:19,781 WARN L170 areAnnotationChecker]: __utac__get_this_argENTRY has no Hoare annotation [2020-07-17 21:22:19,781 WARN L170 areAnnotationChecker]: ULTIMATE.initENTRY has no Hoare annotation [2020-07-17 21:22:19,781 WARN L170 areAnnotationChecker]: __utac__error_stack_mgtENTRY has no Hoare annotation [2020-07-17 21:22:19,781 WARN L170 areAnnotationChecker]: select_oneENTRY has no Hoare annotation [2020-07-17 21:22:19,781 WARN L170 areAnnotationChecker]: printEnvironmentENTRY has no Hoare annotation [2020-07-17 21:22:19,781 WARN L170 areAnnotationChecker]: activatePumpENTRY has no Hoare annotation [2020-07-17 21:22:19,782 WARN L170 areAnnotationChecker]: ##fun~int~X~int~TO~intENTRY has no Hoare annotation [2020-07-17 21:22:19,782 WARN L170 areAnnotationChecker]: changeMethaneLevelENTRY has no Hoare annotation [2020-07-17 21:22:19,782 WARN L170 areAnnotationChecker]: changeMethaneLevelENTRY has no Hoare annotation [2020-07-17 21:22:19,782 WARN L170 areAnnotationChecker]: getWaterLevelENTRY has no Hoare annotation [2020-07-17 21:22:19,782 WARN L170 areAnnotationChecker]: cleanupENTRY has no Hoare annotation [2020-07-17 21:22:19,782 WARN L170 areAnnotationChecker]: timeShiftENTRY has no Hoare annotation [2020-07-17 21:22:19,782 WARN L170 areAnnotationChecker]: timeShiftENTRY has no Hoare annotation [2020-07-17 21:22:19,782 WARN L170 areAnnotationChecker]: isMethaneLevelCriticalENTRY has no Hoare annotation [2020-07-17 21:22:19,782 WARN L170 areAnnotationChecker]: __utac_acc__Specification3_spec__1ENTRY has no Hoare annotation [2020-07-17 21:22:19,783 WARN L170 areAnnotationChecker]: lowerWaterLevelENTRY has no Hoare annotation [2020-07-17 21:22:19,783 WARN L170 areAnnotationChecker]: lowerWaterLevelENTRY has no Hoare annotation [2020-07-17 21:22:19,783 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-17 21:22:19,783 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-17 21:22:19,783 WARN L170 areAnnotationChecker]: setupFINAL has no Hoare annotation [2020-07-17 21:22:19,783 WARN L170 areAnnotationChecker]: startSystemENTRY has no Hoare annotation [2020-07-17 21:22:19,783 WARN L170 areAnnotationChecker]: waterRiseENTRY has no Hoare annotation [2020-07-17 21:22:19,783 WARN L170 areAnnotationChecker]: waterRiseENTRY has no Hoare annotation [2020-07-17 21:22:19,783 WARN L170 areAnnotationChecker]: __automaton_failENTRY has no Hoare annotation [2020-07-17 21:22:19,783 WARN L170 areAnnotationChecker]: __automaton_failENTRY has no Hoare annotation [2020-07-17 21:22:19,783 WARN L170 areAnnotationChecker]: L230-2 has no Hoare annotation [2020-07-17 21:22:19,783 WARN L170 areAnnotationChecker]: L230-2 has no Hoare annotation [2020-07-17 21:22:19,783 WARN L170 areAnnotationChecker]: L230-2 has no Hoare annotation [2020-07-17 21:22:19,783 WARN L170 areAnnotationChecker]: L287-2 has no Hoare annotation [2020-07-17 21:22:19,784 WARN L170 areAnnotationChecker]: L287-2 has no Hoare annotation [2020-07-17 21:22:19,784 WARN L170 areAnnotationChecker]: L287-2 has no Hoare annotation [2020-07-17 21:22:19,784 WARN L170 areAnnotationChecker]: select_helpersEXIT has no Hoare annotation [2020-07-17 21:22:19,784 WARN L170 areAnnotationChecker]: valid_productFINAL has no Hoare annotation [2020-07-17 21:22:19,784 WARN L170 areAnnotationChecker]: L135 has no Hoare annotation [2020-07-17 21:22:19,784 WARN L170 areAnnotationChecker]: L135 has no Hoare annotation [2020-07-17 21:22:19,784 WARN L170 areAnnotationChecker]: L89 has no Hoare annotation [2020-07-17 21:22:19,784 WARN L170 areAnnotationChecker]: L89 has no Hoare annotation [2020-07-17 21:22:19,784 WARN L170 areAnnotationChecker]: processEnvironment__wrappee__methaneQueryEXIT has no Hoare annotation [2020-07-17 21:22:19,785 WARN L170 areAnnotationChecker]: processEnvironment__wrappee__methaneQueryEXIT has no Hoare annotation [2020-07-17 21:22:19,785 WARN L170 areAnnotationChecker]: L752 has no Hoare annotation [2020-07-17 21:22:19,785 WARN L170 areAnnotationChecker]: L752 has no Hoare annotation [2020-07-17 21:22:19,785 WARN L170 areAnnotationChecker]: L750 has no Hoare annotation [2020-07-17 21:22:19,785 WARN L170 areAnnotationChecker]: activatePump__wrappee__baseFINAL has no Hoare annotation [2020-07-17 21:22:19,785 WARN L170 areAnnotationChecker]: isPumpRunningFINAL has no Hoare annotation [2020-07-17 21:22:19,785 WARN L170 areAnnotationChecker]: L717 has no Hoare annotation [2020-07-17 21:22:19,785 WARN L170 areAnnotationChecker]: L717 has no Hoare annotation [2020-07-17 21:22:19,785 WARN L170 areAnnotationChecker]: select_featuresEXIT has no Hoare annotation [2020-07-17 21:22:19,785 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_setFINAL has no Hoare annotation [2020-07-17 21:22:19,786 WARN L170 areAnnotationChecker]: runTestFINAL has no Hoare annotation [2020-07-17 21:22:19,786 WARN L170 areAnnotationChecker]: L486 has no Hoare annotation [2020-07-17 21:22:19,786 WARN L170 areAnnotationChecker]: L486 has no Hoare annotation [2020-07-17 21:22:19,786 WARN L170 areAnnotationChecker]: L695 has no Hoare annotation [2020-07-17 21:22:19,786 WARN L170 areAnnotationChecker]: L695 has no Hoare annotation [2020-07-17 21:22:19,786 WARN L170 areAnnotationChecker]: deactivatePumpFINAL has no Hoare annotation [2020-07-17 21:22:19,786 WARN L170 areAnnotationChecker]: L636 has no Hoare annotation [2020-07-17 21:22:19,786 WARN L170 areAnnotationChecker]: L636 has no Hoare annotation [2020-07-17 21:22:19,786 WARN L170 areAnnotationChecker]: L578 has no Hoare annotation [2020-07-17 21:22:19,786 WARN L170 areAnnotationChecker]: L578 has no Hoare annotation [2020-07-17 21:22:19,787 WARN L170 areAnnotationChecker]: L578 has no Hoare annotation [2020-07-17 21:22:19,787 WARN L170 areAnnotationChecker]: L440 has no Hoare annotation [2020-07-17 21:22:19,787 WARN L170 areAnnotationChecker]: L440 has no Hoare annotation [2020-07-17 21:22:19,787 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-17 21:22:19,787 WARN L170 areAnnotationChecker]: L347 has no Hoare annotation [2020-07-17 21:22:19,787 WARN L170 areAnnotationChecker]: L347 has no Hoare annotation [2020-07-17 21:22:19,787 WARN L170 areAnnotationChecker]: select_oneFINAL has no Hoare annotation [2020-07-17 21:22:19,787 WARN L170 areAnnotationChecker]: L861 has no Hoare annotation [2020-07-17 21:22:19,787 WARN L170 areAnnotationChecker]: L861 has no Hoare annotation [2020-07-17 21:22:19,787 WARN L170 areAnnotationChecker]: L670 has no Hoare annotation [2020-07-17 21:22:19,787 WARN L170 areAnnotationChecker]: L670 has no Hoare annotation [2020-07-17 21:22:19,788 WARN L170 areAnnotationChecker]: ##fun~int~X~int~TO~intFINAL has no Hoare annotation [2020-07-17 21:22:19,788 WARN L170 areAnnotationChecker]: L836-1 has no Hoare annotation [2020-07-17 21:22:19,788 WARN L170 areAnnotationChecker]: getWaterLevelFINAL has no Hoare annotation [2020-07-17 21:22:19,788 WARN L170 areAnnotationChecker]: L57 has no Hoare annotation [2020-07-17 21:22:19,788 WARN L170 areAnnotationChecker]: L57 has no Hoare annotation [2020-07-17 21:22:19,788 WARN L170 areAnnotationChecker]: L606 has no Hoare annotation [2020-07-17 21:22:19,788 WARN L170 areAnnotationChecker]: L606 has no Hoare annotation [2020-07-17 21:22:19,788 WARN L170 areAnnotationChecker]: L604 has no Hoare annotation [2020-07-17 21:22:19,788 WARN L170 areAnnotationChecker]: L604 has no Hoare annotation [2020-07-17 21:22:19,788 WARN L170 areAnnotationChecker]: isMethaneLevelCriticalFINAL has no Hoare annotation [2020-07-17 21:22:19,789 WARN L170 areAnnotationChecker]: L893 has no Hoare annotation [2020-07-17 21:22:19,789 WARN L170 areAnnotationChecker]: L893 has no Hoare annotation [2020-07-17 21:22:19,789 WARN L170 areAnnotationChecker]: L812-1 has no Hoare annotation [2020-07-17 21:22:19,789 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-17 21:22:19,789 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-17 21:22:19,789 WARN L170 areAnnotationChecker]: setupEXIT has no Hoare annotation [2020-07-17 21:22:19,789 WARN L170 areAnnotationChecker]: startSystemFINAL has no Hoare annotation [2020-07-17 21:22:19,789 WARN L170 areAnnotationChecker]: L824-1 has no Hoare annotation [2020-07-17 21:22:19,789 WARN L170 areAnnotationChecker]: __automaton_failFINAL has no Hoare annotation [2020-07-17 21:22:19,789 WARN L170 areAnnotationChecker]: L252 has no Hoare annotation [2020-07-17 21:22:19,790 WARN L170 areAnnotationChecker]: L231 has no Hoare annotation [2020-07-17 21:22:19,790 WARN L170 areAnnotationChecker]: L313 has no Hoare annotation [2020-07-17 21:22:19,790 WARN L170 areAnnotationChecker]: L313 has no Hoare annotation [2020-07-17 21:22:19,790 WARN L170 areAnnotationChecker]: L288 has no Hoare annotation [2020-07-17 21:22:19,790 WARN L170 areAnnotationChecker]: L135-1 has no Hoare annotation [2020-07-17 21:22:19,790 WARN L170 areAnnotationChecker]: L135-1 has no Hoare annotation [2020-07-17 21:22:19,790 WARN L170 areAnnotationChecker]: valid_productEXIT has no Hoare annotation [2020-07-17 21:22:19,790 WARN L170 areAnnotationChecker]: L90 has no Hoare annotation [2020-07-17 21:22:19,790 WARN L170 areAnnotationChecker]: L90 has no Hoare annotation [2020-07-17 21:22:19,790 WARN L170 areAnnotationChecker]: L651-1 has no Hoare annotation [2020-07-17 21:22:19,790 WARN L170 areAnnotationChecker]: stopSystemFINAL has no Hoare annotation [2020-07-17 21:22:19,791 WARN L170 areAnnotationChecker]: activatePump__wrappee__baseEXIT has no Hoare annotation [2020-07-17 21:22:19,791 WARN L170 areAnnotationChecker]: isPumpRunningEXIT has no Hoare annotation [2020-07-17 21:22:19,791 WARN L170 areAnnotationChecker]: L717-2 has no Hoare annotation [2020-07-17 21:22:19,791 WARN L170 areAnnotationChecker]: L136 has no Hoare annotation [2020-07-17 21:22:19,791 WARN L170 areAnnotationChecker]: L136 has no Hoare annotation [2020-07-17 21:22:19,791 WARN L170 areAnnotationChecker]: runTestEXIT has no Hoare annotation [2020-07-17 21:22:19,791 WARN L170 areAnnotationChecker]: L492 has no Hoare annotation [2020-07-17 21:22:19,791 WARN L170 areAnnotationChecker]: L492 has no Hoare annotation [2020-07-17 21:22:19,791 WARN L170 areAnnotationChecker]: L486-1 has no Hoare annotation [2020-07-17 21:22:19,791 WARN L170 areAnnotationChecker]: L695-1 has no Hoare annotation [2020-07-17 21:22:19,791 WARN L170 areAnnotationChecker]: deactivatePumpEXIT has no Hoare annotation [2020-07-17 21:22:19,791 WARN L170 areAnnotationChecker]: deactivatePumpEXIT has no Hoare annotation [2020-07-17 21:22:19,791 WARN L170 areAnnotationChecker]: L638 has no Hoare annotation [2020-07-17 21:22:19,791 WARN L170 areAnnotationChecker]: L638 has no Hoare annotation [2020-07-17 21:22:19,791 WARN L170 areAnnotationChecker]: L651 has no Hoare annotation [2020-07-17 21:22:19,791 WARN L170 areAnnotationChecker]: L651 has no Hoare annotation [2020-07-17 21:22:19,792 WARN L170 areAnnotationChecker]: L581 has no Hoare annotation [2020-07-17 21:22:19,792 WARN L170 areAnnotationChecker]: L581 has no Hoare annotation [2020-07-17 21:22:19,792 WARN L170 areAnnotationChecker]: L532 has no Hoare annotation [2020-07-17 21:22:19,792 WARN L170 areAnnotationChecker]: L532 has no Hoare annotation [2020-07-17 21:22:19,792 WARN L170 areAnnotationChecker]: L446 has no Hoare annotation [2020-07-17 21:22:19,792 WARN L170 areAnnotationChecker]: L446 has no Hoare annotation [2020-07-17 21:22:19,792 WARN L170 areAnnotationChecker]: L440-1 has no Hoare annotation [2020-07-17 21:22:19,792 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-17 21:22:19,792 WARN L170 areAnnotationChecker]: __utac__error_stack_mgtFINAL has no Hoare annotation [2020-07-17 21:22:19,792 WARN L170 areAnnotationChecker]: L352 has no Hoare annotation [2020-07-17 21:22:19,792 WARN L170 areAnnotationChecker]: L352 has no Hoare annotation [2020-07-17 21:22:19,792 WARN L170 areAnnotationChecker]: L861-2 has no Hoare annotation [2020-07-17 21:22:19,792 WARN L170 areAnnotationChecker]: L670-1 has no Hoare annotation [2020-07-17 21:22:19,792 WARN L170 areAnnotationChecker]: ##fun~int~X~int~TO~intEXIT has no Hoare annotation [2020-07-17 21:22:19,792 WARN L170 areAnnotationChecker]: changeMethaneLevelEXIT has no Hoare annotation [2020-07-17 21:22:19,793 WARN L170 areAnnotationChecker]: changeMethaneLevelEXIT has no Hoare annotation [2020-07-17 21:22:19,793 WARN L170 areAnnotationChecker]: getWaterLevelEXIT has no Hoare annotation [2020-07-17 21:22:19,793 WARN L170 areAnnotationChecker]: L57-1 has no Hoare annotation [2020-07-17 21:22:19,793 WARN L170 areAnnotationChecker]: L613 has no Hoare annotation [2020-07-17 21:22:19,793 WARN L170 areAnnotationChecker]: L613 has no Hoare annotation [2020-07-17 21:22:19,793 WARN L170 areAnnotationChecker]: L611 has no Hoare annotation [2020-07-17 21:22:19,793 WARN L170 areAnnotationChecker]: L611 has no Hoare annotation [2020-07-17 21:22:19,793 WARN L170 areAnnotationChecker]: isMethaneLevelCriticalEXIT has no Hoare annotation [2020-07-17 21:22:19,793 WARN L170 areAnnotationChecker]: isMethaneLevelCriticalEXIT has no Hoare annotation [2020-07-17 21:22:19,793 WARN L170 areAnnotationChecker]: L893-1 has no Hoare annotation [2020-07-17 21:22:19,793 WARN L170 areAnnotationChecker]: lowerWaterLevelEXIT has no Hoare annotation [2020-07-17 21:22:19,793 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-17 21:22:19,794 WARN L170 areAnnotationChecker]: L141-1 has no Hoare annotation [2020-07-17 21:22:19,794 WARN L170 areAnnotationChecker]: L141-1 has no Hoare annotation [2020-07-17 21:22:19,794 WARN L170 areAnnotationChecker]: startSystemEXIT has no Hoare annotation [2020-07-17 21:22:19,794 WARN L170 areAnnotationChecker]: waterRiseEXIT has no Hoare annotation [2020-07-17 21:22:19,794 WARN L170 areAnnotationChecker]: waterRiseEXIT has no Hoare annotation [2020-07-17 21:22:19,794 WARN L170 areAnnotationChecker]: __automaton_failEXIT has no Hoare annotation [2020-07-17 21:22:19,794 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_freeFINAL has no Hoare annotation [2020-07-17 21:22:19,794 WARN L170 areAnnotationChecker]: L236 has no Hoare annotation [2020-07-17 21:22:19,794 WARN L170 areAnnotationChecker]: L236 has no Hoare annotation [2020-07-17 21:22:19,794 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_resetFINAL has no Hoare annotation [2020-07-17 21:22:19,794 WARN L170 areAnnotationChecker]: L293 has no Hoare annotation [2020-07-17 21:22:19,794 WARN L170 areAnnotationChecker]: L293 has no Hoare annotation [2020-07-17 21:22:19,794 WARN L170 areAnnotationChecker]: L137 has no Hoare annotation [2020-07-17 21:22:19,794 WARN L170 areAnnotationChecker]: L91 has no Hoare annotation [2020-07-17 21:22:19,794 WARN L170 areAnnotationChecker]: L91 has no Hoare annotation [2020-07-17 21:22:19,794 WARN L170 areAnnotationChecker]: processEnvironmentEXIT has no Hoare annotation [2020-07-17 21:22:19,795 WARN L170 areAnnotationChecker]: stopSystemEXIT has no Hoare annotation [2020-07-17 21:22:19,795 WARN L170 areAnnotationChecker]: L676-1 has no Hoare annotation [2020-07-17 21:22:19,795 WARN L170 areAnnotationChecker]: L903-1 has no Hoare annotation [2020-07-17 21:22:19,795 WARN L170 areAnnotationChecker]: L729 has no Hoare annotation [2020-07-17 21:22:19,795 WARN L170 areAnnotationChecker]: L729 has no Hoare annotation [2020-07-17 21:22:19,795 WARN L170 areAnnotationChecker]: L139-1 has no Hoare annotation [2020-07-17 21:22:19,795 WARN L170 areAnnotationChecker]: __utac__get_this_argtypeFINAL has no Hoare annotation [2020-07-17 21:22:19,795 WARN L170 areAnnotationChecker]: isMethaneAlarmFINAL has no Hoare annotation [2020-07-17 21:22:19,795 WARN L170 areAnnotationChecker]: L638-1 has no Hoare annotation [2020-07-17 21:22:19,795 WARN L170 areAnnotationChecker]: testFINAL has no Hoare annotation [2020-07-17 21:22:19,795 WARN L170 areAnnotationChecker]: L533 has no Hoare annotation [2020-07-17 21:22:19,795 WARN L170 areAnnotationChecker]: __utac__get_this_argFINAL has no Hoare annotation [2020-07-17 21:22:19,795 WARN L170 areAnnotationChecker]: L369 has no Hoare annotation [2020-07-17 21:22:19,795 WARN L170 areAnnotationChecker]: L369 has no Hoare annotation [2020-07-17 21:22:19,795 WARN L170 areAnnotationChecker]: printEnvironmentFINAL has no Hoare annotation [2020-07-17 21:22:19,796 WARN L170 areAnnotationChecker]: L672 has no Hoare annotation [2020-07-17 21:22:19,796 WARN L170 areAnnotationChecker]: L672 has no Hoare annotation [2020-07-17 21:22:19,796 WARN L170 areAnnotationChecker]: L306-1 has no Hoare annotation [2020-07-17 21:22:19,796 WARN L170 areAnnotationChecker]: L99 has no Hoare annotation [2020-07-17 21:22:19,796 WARN L170 areAnnotationChecker]: L99 has no Hoare annotation [2020-07-17 21:22:19,796 WARN L170 areAnnotationChecker]: L551-1 has no Hoare annotation [2020-07-17 21:22:19,796 WARN L170 areAnnotationChecker]: L899-1 has no Hoare annotation [2020-07-17 21:22:19,796 WARN L170 areAnnotationChecker]: L61-2 has no Hoare annotation [2020-07-17 21:22:19,796 WARN L170 areAnnotationChecker]: L61-2 has no Hoare annotation [2020-07-17 21:22:19,796 WARN L170 areAnnotationChecker]: L61-2 has no Hoare annotation [2020-07-17 21:22:19,796 WARN L170 areAnnotationChecker]: timeShiftFINAL has no Hoare annotation [2020-07-17 21:22:19,796 WARN L170 areAnnotationChecker]: L895 has no Hoare annotation [2020-07-17 21:22:19,796 WARN L170 areAnnotationChecker]: L895 has no Hoare annotation [2020-07-17 21:22:19,796 WARN L170 areAnnotationChecker]: L569-1 has no Hoare annotation [2020-07-17 21:22:19,796 WARN L170 areAnnotationChecker]: L569-1 has no Hoare annotation [2020-07-17 21:22:19,796 WARN L170 areAnnotationChecker]: L95 has no Hoare annotation [2020-07-17 21:22:19,797 WARN L170 areAnnotationChecker]: L95 has no Hoare annotation [2020-07-17 21:22:19,797 WARN L170 areAnnotationChecker]: L541-1 has no Hoare annotation [2020-07-17 21:22:19,797 WARN L170 areAnnotationChecker]: L901-1 has no Hoare annotation [2020-07-17 21:22:19,797 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_freeEXIT has no Hoare annotation [2020-07-17 21:22:19,797 WARN L170 areAnnotationChecker]: L236-1 has no Hoare annotation [2020-07-17 21:22:19,797 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_resetEXIT has no Hoare annotation [2020-07-17 21:22:19,797 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_resetEXIT has no Hoare annotation [2020-07-17 21:22:19,797 WARN L170 areAnnotationChecker]: L293-1 has no Hoare annotation [2020-07-17 21:22:19,797 WARN L170 areAnnotationChecker]: L139 has no Hoare annotation [2020-07-17 21:22:19,797 WARN L170 areAnnotationChecker]: L139 has no Hoare annotation [2020-07-17 21:22:19,797 WARN L170 areAnnotationChecker]: L92 has no Hoare annotation [2020-07-17 21:22:19,797 WARN L170 areAnnotationChecker]: L92 has no Hoare annotation [2020-07-17 21:22:19,797 WARN L170 areAnnotationChecker]: L905 has no Hoare annotation [2020-07-17 21:22:19,797 WARN L170 areAnnotationChecker]: L905 has no Hoare annotation [2020-07-17 21:22:19,797 WARN L170 areAnnotationChecker]: L729-2 has no Hoare annotation [2020-07-17 21:22:19,798 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-17 21:22:19,798 WARN L170 areAnnotationChecker]: isMethaneAlarmEXIT has no Hoare annotation [2020-07-17 21:22:19,798 WARN L170 areAnnotationChecker]: isMethaneAlarmEXIT has no Hoare annotation [2020-07-17 21:22:19,798 WARN L170 areAnnotationChecker]: L640 has no Hoare annotation [2020-07-17 21:22:19,798 WARN L170 areAnnotationChecker]: L640 has no Hoare annotation [2020-07-17 21:22:19,798 WARN L170 areAnnotationChecker]: testEXIT has no Hoare annotation [2020-07-17 21:22:19,798 WARN L170 areAnnotationChecker]: L541 has no Hoare annotation [2020-07-17 21:22:19,798 WARN L170 areAnnotationChecker]: L541 has no Hoare annotation [2020-07-17 21:22:19,798 WARN L170 areAnnotationChecker]: L372-2 has no Hoare annotation [2020-07-17 21:22:19,798 WARN L170 areAnnotationChecker]: L372-2 has no Hoare annotation [2020-07-17 21:22:19,798 WARN L170 areAnnotationChecker]: L372-2 has no Hoare annotation [2020-07-17 21:22:19,799 WARN L170 areAnnotationChecker]: L411 has no Hoare annotation [2020-07-17 21:22:19,799 WARN L170 areAnnotationChecker]: L411 has no Hoare annotation [2020-07-17 21:22:19,799 WARN L170 areAnnotationChecker]: printEnvironmentEXIT has no Hoare annotation [2020-07-17 21:22:19,799 WARN L170 areAnnotationChecker]: L676 has no Hoare annotation [2020-07-17 21:22:19,799 WARN L170 areAnnotationChecker]: L676 has no Hoare annotation [2020-07-17 21:22:19,799 WARN L170 areAnnotationChecker]: L100 has no Hoare annotation [2020-07-17 21:22:19,799 WARN L170 areAnnotationChecker]: L100 has no Hoare annotation [2020-07-17 21:22:19,799 WARN L170 areAnnotationChecker]: L561 has no Hoare annotation [2020-07-17 21:22:19,799 WARN L170 areAnnotationChecker]: L561 has no Hoare annotation [2020-07-17 21:22:19,800 WARN L170 areAnnotationChecker]: L901 has no Hoare annotation [2020-07-17 21:22:19,800 WARN L170 areAnnotationChecker]: L901 has no Hoare annotation [2020-07-17 21:22:19,800 WARN L170 areAnnotationChecker]: L76 has no Hoare annotation [2020-07-17 21:22:19,800 WARN L170 areAnnotationChecker]: L62 has no Hoare annotation [2020-07-17 21:22:19,800 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-17 21:22:19,800 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-17 21:22:19,800 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-17 21:22:19,800 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-17 21:22:19,801 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-17 21:22:19,801 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-17 21:22:19,801 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-17 21:22:19,801 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-17 21:22:19,801 WARN L170 areAnnotationChecker]: L899 has no Hoare annotation [2020-07-17 21:22:19,801 WARN L170 areAnnotationChecker]: L899 has no Hoare annotation [2020-07-17 21:22:19,801 WARN L170 areAnnotationChecker]: L96 has no Hoare annotation [2020-07-17 21:22:19,801 WARN L170 areAnnotationChecker]: L96 has no Hoare annotation [2020-07-17 21:22:19,801 WARN L170 areAnnotationChecker]: L551 has no Hoare annotation [2020-07-17 21:22:19,802 WARN L170 areAnnotationChecker]: L551 has no Hoare annotation [2020-07-17 21:22:19,802 WARN L170 areAnnotationChecker]: __utac_acc__Specification3_spec__1EXIT has no Hoare annotation [2020-07-17 21:22:19,802 WARN L170 areAnnotationChecker]: L388-1 has no Hoare annotation [2020-07-17 21:22:19,802 WARN L170 areAnnotationChecker]: L404-1 has no Hoare annotation [2020-07-17 21:22:19,802 WARN L170 areAnnotationChecker]: L306 has no Hoare annotation [2020-07-17 21:22:19,802 WARN L170 areAnnotationChecker]: L306 has no Hoare annotation [2020-07-17 21:22:19,802 WARN L170 areAnnotationChecker]: L141 has no Hoare annotation [2020-07-17 21:22:19,802 WARN L170 areAnnotationChecker]: L141 has no Hoare annotation [2020-07-17 21:22:19,802 WARN L170 areAnnotationChecker]: L93 has no Hoare annotation [2020-07-17 21:22:19,803 WARN L170 areAnnotationChecker]: L93 has no Hoare annotation [2020-07-17 21:22:19,803 WARN L170 areAnnotationChecker]: L909 has no Hoare annotation [2020-07-17 21:22:19,803 WARN L170 areAnnotationChecker]: L909 has no Hoare annotation [2020-07-17 21:22:19,803 WARN L170 areAnnotationChecker]: L740 has no Hoare annotation [2020-07-17 21:22:19,803 WARN L170 areAnnotationChecker]: L740 has no Hoare annotation [2020-07-17 21:22:19,803 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-17 21:22:19,803 WARN L170 areAnnotationChecker]: L642 has no Hoare annotation [2020-07-17 21:22:19,803 WARN L170 areAnnotationChecker]: L642 has no Hoare annotation [2020-07-17 21:22:19,803 WARN L170 areAnnotationChecker]: L646 has no Hoare annotation [2020-07-17 21:22:19,804 WARN L170 areAnnotationChecker]: L646 has no Hoare annotation [2020-07-17 21:22:19,804 WARN L170 areAnnotationChecker]: L543 has no Hoare annotation [2020-07-17 21:22:19,804 WARN L170 areAnnotationChecker]: L543 has no Hoare annotation [2020-07-17 21:22:19,804 WARN L170 areAnnotationChecker]: L393 has no Hoare annotation [2020-07-17 21:22:19,804 WARN L170 areAnnotationChecker]: L373 has no Hoare annotation [2020-07-17 21:22:19,804 WARN L170 areAnnotationChecker]: L373 has no Hoare annotation [2020-07-17 21:22:19,804 WARN L170 areAnnotationChecker]: L412 has no Hoare annotation [2020-07-17 21:22:19,804 WARN L170 areAnnotationChecker]: L412 has no Hoare annotation [2020-07-17 21:22:19,804 WARN L170 areAnnotationChecker]: L740-1 has no Hoare annotation [2020-07-17 21:22:19,805 WARN L170 areAnnotationChecker]: L101 has no Hoare annotation [2020-07-17 21:22:19,805 WARN L170 areAnnotationChecker]: L101 has no Hoare annotation [2020-07-17 21:22:19,805 WARN L170 areAnnotationChecker]: L563 has no Hoare annotation [2020-07-17 21:22:19,805 WARN L170 areAnnotationChecker]: L563 has no Hoare annotation [2020-07-17 21:22:19,805 WARN L170 areAnnotationChecker]: L569 has no Hoare annotation [2020-07-17 21:22:19,805 WARN L170 areAnnotationChecker]: L569 has no Hoare annotation [2020-07-17 21:22:19,805 WARN L170 areAnnotationChecker]: L903 has no Hoare annotation [2020-07-17 21:22:19,805 WARN L170 areAnnotationChecker]: L903 has no Hoare annotation [2020-07-17 21:22:19,805 WARN L170 areAnnotationChecker]: cleanupEXIT has no Hoare annotation [2020-07-17 21:22:19,805 WARN L170 areAnnotationChecker]: cleanupEXIT has no Hoare annotation [2020-07-17 21:22:19,806 WARN L170 areAnnotationChecker]: L65 has no Hoare annotation [2020-07-17 21:22:19,806 WARN L170 areAnnotationChecker]: L65 has no Hoare annotation [2020-07-17 21:22:19,806 WARN L170 areAnnotationChecker]: L97 has no Hoare annotation [2020-07-17 21:22:19,806 WARN L170 areAnnotationChecker]: L97 has no Hoare annotation [2020-07-17 21:22:19,806 WARN L170 areAnnotationChecker]: L72 has no Hoare annotation [2020-07-17 21:22:19,806 WARN L170 areAnnotationChecker]: L553 has no Hoare annotation [2020-07-17 21:22:19,806 WARN L170 areAnnotationChecker]: L553 has no Hoare annotation [2020-07-17 21:22:19,806 WARN L170 areAnnotationChecker]: L94 has no Hoare annotation [2020-07-17 21:22:19,806 WARN L170 areAnnotationChecker]: L94 has no Hoare annotation [2020-07-17 21:22:19,807 WARN L170 areAnnotationChecker]: L404 has no Hoare annotation [2020-07-17 21:22:19,807 WARN L170 areAnnotationChecker]: L404 has no Hoare annotation [2020-07-17 21:22:19,807 WARN L170 areAnnotationChecker]: L374 has no Hoare annotation [2020-07-17 21:22:19,807 WARN L170 areAnnotationChecker]: printPumpFINAL has no Hoare annotation [2020-07-17 21:22:19,807 WARN L170 areAnnotationChecker]: L102 has no Hoare annotation [2020-07-17 21:22:19,807 WARN L170 areAnnotationChecker]: L102 has no Hoare annotation [2020-07-17 21:22:19,807 WARN L170 areAnnotationChecker]: L571 has no Hoare annotation [2020-07-17 21:22:19,807 WARN L170 areAnnotationChecker]: L571 has no Hoare annotation [2020-07-17 21:22:19,807 WARN L170 areAnnotationChecker]: Specification2FINAL has no Hoare annotation [2020-07-17 21:22:19,807 WARN L170 areAnnotationChecker]: L65-1 has no Hoare annotation [2020-07-17 21:22:19,807 WARN L170 areAnnotationChecker]: L65-1 has no Hoare annotation [2020-07-17 21:22:19,808 WARN L170 areAnnotationChecker]: L98 has no Hoare annotation [2020-07-17 21:22:19,808 WARN L170 areAnnotationChecker]: L98 has no Hoare annotation [2020-07-17 21:22:19,808 WARN L170 areAnnotationChecker]: L388 has no Hoare annotation [2020-07-17 21:22:19,808 WARN L170 areAnnotationChecker]: L388 has no Hoare annotation [2020-07-17 21:22:19,808 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-17 21:22:19,808 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-17 21:22:19,808 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-17 21:22:19,808 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-17 21:22:19,808 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-17 21:22:19,808 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-17 21:22:19,809 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-17 21:22:19,809 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 21:22:19,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 09:22:19 BoogieIcfgContainer [2020-07-17 21:22:19,812 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 21:22:19,814 INFO L168 Benchmark]: Toolchain (without parser) took 61151.57 ms. Allocated memory was 146.3 MB in the beginning and 704.1 MB in the end (delta: 557.8 MB). Free memory was 102.3 MB in the beginning and 271.5 MB in the end (delta: -169.2 MB). Peak memory consumption was 388.7 MB. Max. memory is 7.1 GB. [2020-07-17 21:22:19,815 INFO L168 Benchmark]: CDTParser took 1.36 ms. Allocated memory is still 146.3 MB. Free memory is still 122.2 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-17 21:22:19,815 INFO L168 Benchmark]: CACSL2BoogieTranslator took 687.91 ms. Allocated memory was 146.3 MB in the beginning and 203.4 MB in the end (delta: 57.1 MB). Free memory was 101.9 MB in the beginning and 168.2 MB in the end (delta: -66.3 MB). Peak memory consumption was 21.9 MB. Max. memory is 7.1 GB. [2020-07-17 21:22:19,816 INFO L168 Benchmark]: Boogie Preprocessor took 116.90 ms. Allocated memory is still 203.4 MB. Free memory was 168.2 MB in the beginning and 162.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 7.1 GB. [2020-07-17 21:22:19,817 INFO L168 Benchmark]: RCFGBuilder took 1793.65 ms. Allocated memory was 203.4 MB in the beginning and 237.0 MB in the end (delta: 33.6 MB). Free memory was 162.5 MB in the beginning and 90.9 MB in the end (delta: 71.6 MB). Peak memory consumption was 105.2 MB. Max. memory is 7.1 GB. [2020-07-17 21:22:19,818 INFO L168 Benchmark]: TraceAbstraction took 58547.03 ms. Allocated memory was 237.0 MB in the beginning and 704.1 MB in the end (delta: 467.1 MB). Free memory was 90.9 MB in the beginning and 271.5 MB in the end (delta: -180.6 MB). Peak memory consumption was 286.6 MB. Max. memory is 7.1 GB. [2020-07-17 21:22:19,821 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 1.36 ms. Allocated memory is still 146.3 MB. Free memory is still 122.2 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 687.91 ms. Allocated memory was 146.3 MB in the beginning and 203.4 MB in the end (delta: 57.1 MB). Free memory was 101.9 MB in the beginning and 168.2 MB in the end (delta: -66.3 MB). Peak memory consumption was 21.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 116.90 ms. Allocated memory is still 203.4 MB. Free memory was 168.2 MB in the beginning and 162.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1793.65 ms. Allocated memory was 203.4 MB in the beginning and 237.0 MB in the end (delta: 33.6 MB). Free memory was 162.5 MB in the beginning and 90.9 MB in the end (delta: 71.6 MB). Peak memory consumption was 105.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 58547.03 ms. Allocated memory was 237.0 MB in the beginning and 704.1 MB in the end (delta: 467.1 MB). Free memory was 90.9 MB in the beginning and 271.5 MB in the end (delta: -180.6 MB). Peak memory consumption was 286.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 44]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L49] int cleanupTimeShifts = 4; [L322] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L596] int pumpRunning = 0; [L597] int systemActive = 1; [L806] int waterLevel = 1; [L807] int methaneLevelCritical = 0; VAL [\old(cleanupTimeShifts)=170, \old(head)=176, \old(head)=163, \old(methaneLevelCritical)=146, \old(pumpRunning)=138, \old(systemActive)=137, \old(waterLevel)=140, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L130] int retValue_acc ; [L131] 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] [L135] 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] [L136] 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] [L137] 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] [L796] int retValue_acc ; [L799] retValue_acc = 1 [L800] 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] [L137] 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] [L137] tmp = valid_product() [L139] 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] [L141] 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] [L142] 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] [L121] 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] [L522] int splverifierCounter ; [L523] int tmp ; [L524] int tmp___0 ; [L525] int tmp___1 ; [L526] int tmp___2 ; [L529] 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] [L531] 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] [L533] 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] [L539] tmp = __VERIFIER_nondet_int() [L541] 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] [L543] 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] [L824] COND TRUE waterLevel < 2 [L825] 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] [L543] 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] [L549] tmp___0 = __VERIFIER_nondet_int() [L551] 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] [L559] tmp___2 = __VERIFIER_nondet_int() [L561] COND FALSE !(\read(tmp___2)) [L567] tmp___1 = __VERIFIER_nondet_int() [L569] COND TRUE \read(tmp___1) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L571] 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] [L750] 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] [L757] 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] [L571] RET stopSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=0, tmp=1, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L578] 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] [L604] 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] [L611] 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] [L619] 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] [L887] int tmp ; [L888] int tmp___0 ; [L889] 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] [L893] 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] [L845] int retValue_acc ; [L848] retValue_acc = methaneLevelCritical [L849] 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] [L893] 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] [L893] tmp = isMethaneLevelCritical() [L895] 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] [L899] 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] [L877] int retValue_acc ; [L880] retValue_acc = waterLevel [L881] 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] [L899] 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] [L899] tmp___0 = getWaterLevel() [L901] 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] [L903] 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] [L702] int retValue_acc ; [L705] retValue_acc = pumpRunning [L706] 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] [L903] 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] [L903] tmp___1 = isPumpRunning() [L905] 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] [L909] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L44] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 224 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 58.2s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 44.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 444 SDtfs, 645 SDslu, 348 SDs, 0 SdLazy, 1681 SolverSat, 433 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 102 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 4.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=437occurred 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: 10.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 186 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 293 NumberOfCodeBlocks, 293 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 222 ConstructedInterpolants, 0 QuantifiedInterpolants, 62058 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...