/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_product08.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-8fc6572 [2020-07-10 13:56:16,534 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-10 13:56:16,537 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-10 13:56:16,549 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-10 13:56:16,550 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-10 13:56:16,551 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-10 13:56:16,552 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-10 13:56:16,554 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-10 13:56:16,556 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-10 13:56:16,556 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-10 13:56:16,557 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-10 13:56:16,559 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-10 13:56:16,559 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-10 13:56:16,560 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-10 13:56:16,561 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-10 13:56:16,562 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-10 13:56:16,563 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-10 13:56:16,564 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-10 13:56:16,566 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-10 13:56:16,568 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-10 13:56:16,569 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-10 13:56:16,571 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-10 13:56:16,572 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-10 13:56:16,572 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-10 13:56:16,575 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-10 13:56:16,575 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-10 13:56:16,575 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-10 13:56:16,576 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-10 13:56:16,576 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-10 13:56:16,577 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-10 13:56:16,578 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-10 13:56:16,578 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-10 13:56:16,579 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-10 13:56:16,580 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-10 13:56:16,581 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-10 13:56:16,581 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-10 13:56:16,582 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-10 13:56:16,582 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-10 13:56:16,582 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-10 13:56:16,583 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-10 13:56:16,584 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-10 13:56:16,585 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-10 13:56:16,600 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-10 13:56:16,600 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-10 13:56:16,601 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-10 13:56:16,603 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-10 13:56:16,604 INFO L138 SettingsManager]: * Use SBE=true [2020-07-10 13:56:16,604 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-10 13:56:16,604 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-10 13:56:16,604 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-10 13:56:16,604 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-10 13:56:16,605 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-10 13:56:16,605 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-10 13:56:16,605 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-10 13:56:16,605 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-10 13:56:16,607 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-10 13:56:16,608 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-10 13:56:16,608 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-10 13:56:16,608 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-10 13:56:16,608 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-10 13:56:16,608 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-10 13:56:16,609 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-10 13:56:16,609 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-10 13:56:16,609 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-10 13:56:16,609 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-10 13:56:16,609 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-10 13:56:16,610 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-10 13:56:16,610 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-10 13:56:16,610 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-10 13:56:16,610 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-10 13:56:16,610 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-10 13:56:16,610 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-10 13:56:16,882 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-10 13:56:16,898 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-10 13:56:16,901 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-10 13:56:16,903 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-10 13:56:16,903 INFO L275 PluginConnector]: CDTParser initialized [2020-07-10 13:56:16,904 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product08.cil.c [2020-07-10 13:56:16,983 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82f5bc39a/df0bdc13a80644f1a6724ca5fefa51eb/FLAGb35766f23 [2020-07-10 13:56:17,559 INFO L306 CDTParser]: Found 1 translation units. [2020-07-10 13:56:17,560 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product08.cil.c [2020-07-10 13:56:17,570 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82f5bc39a/df0bdc13a80644f1a6724ca5fefa51eb/FLAGb35766f23 [2020-07-10 13:56:17,831 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82f5bc39a/df0bdc13a80644f1a6724ca5fefa51eb [2020-07-10 13:56:17,839 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-10 13:56:17,841 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-10 13:56:17,842 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-10 13:56:17,842 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-10 13:56:17,846 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-10 13:56:17,848 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 01:56:17" (1/1) ... [2020-07-10 13:56:17,851 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6dfc5529 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 01:56:17, skipping insertion in model container [2020-07-10 13:56:17,851 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 01:56:17" (1/1) ... [2020-07-10 13:56:17,859 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-10 13:56:17,906 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-10 13:56:18,237 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-10 13:56:18,357 INFO L203 MainTranslator]: Completed pre-run [2020-07-10 13:56:18,508 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-10 13:56:18,542 INFO L208 MainTranslator]: Completed translation [2020-07-10 13:56:18,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 01:56:18 WrapperNode [2020-07-10 13:56:18,543 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-10 13:56:18,544 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-10 13:56:18,544 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-10 13:56:18,544 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-10 13:56:18,558 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 01:56:18" (1/1) ... [2020-07-10 13:56:18,559 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 01:56:18" (1/1) ... [2020-07-10 13:56:18,578 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 01:56:18" (1/1) ... [2020-07-10 13:56:18,579 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 01:56:18" (1/1) ... [2020-07-10 13:56:18,635 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 01:56:18" (1/1) ... [2020-07-10 13:56:18,651 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 01:56:18" (1/1) ... [2020-07-10 13:56:18,660 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 01:56:18" (1/1) ... [2020-07-10 13:56:18,675 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-10 13:56:18,676 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-10 13:56:18,676 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-10 13:56:18,676 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-10 13:56:18,677 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 01:56:18" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-10 13:56:18,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-10 13:56:18,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-10 13:56:18,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-10 13:56:18,734 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-07-10 13:56:18,735 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-10 13:56:18,735 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-10 13:56:18,735 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-10 13:56:18,735 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-10 13:56:18,735 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-10 13:56:18,735 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-10 13:56:18,735 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-10 13:56:18,736 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-10 13:56:18,736 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-10 13:56:18,736 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-10 13:56:18,736 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-10 13:56:18,736 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-10 13:56:18,737 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-10 13:56:18,737 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-10 13:56:18,737 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-10 13:56:18,737 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-10 13:56:18,737 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-10 13:56:18,737 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-10 13:56:18,737 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-10 13:56:18,738 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-10 13:56:18,738 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-10 13:56:18,738 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-10 13:56:18,738 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-10 13:56:18,738 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-10 13:56:18,738 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-10 13:56:18,739 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-10 13:56:18,739 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-10 13:56:18,739 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-10 13:56:18,739 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-10 13:56:18,739 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-10 13:56:18,740 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-10 13:56:18,740 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-10 13:56:18,741 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-10 13:56:18,741 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-10 13:56:18,741 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-10 13:56:18,741 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-10 13:56:18,741 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-10 13:56:18,741 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-10 13:56:18,741 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-10 13:56:18,741 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-10 13:56:18,742 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-07-10 13:56:18,742 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-10 13:56:18,742 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-10 13:56:18,742 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-10 13:56:18,742 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-10 13:56:18,742 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-10 13:56:18,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-10 13:56:18,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-10 13:56:18,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-10 13:56:18,743 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-10 13:56:18,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-10 13:56:18,743 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-10 13:56:18,743 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-10 13:56:18,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-10 13:56:18,743 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-10 13:56:18,743 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-10 13:56:18,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-10 13:56:18,744 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-10 13:56:18,744 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-10 13:56:18,744 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-10 13:56:18,744 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-10 13:56:18,744 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-10 13:56:18,744 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-10 13:56:18,744 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-10 13:56:18,744 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-10 13:56:18,745 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-10 13:56:18,745 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-10 13:56:18,745 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-10 13:56:18,745 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-10 13:56:18,745 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-10 13:56:18,745 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-10 13:56:18,746 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-10 13:56:18,746 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-10 13:56:18,746 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-10 13:56:18,746 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-10 13:56:18,746 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-10 13:56:18,746 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-10 13:56:18,746 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-10 13:56:18,747 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-10 13:56:18,747 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-10 13:56:18,747 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-10 13:56:18,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-10 13:56:18,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-10 13:56:18,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-10 13:56:20,358 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-10 13:56:20,358 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-10 13:56:20,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 01:56:20 BoogieIcfgContainer [2020-07-10 13:56:20,364 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-10 13:56:20,365 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-10 13:56:20,365 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-10 13:56:20,369 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-10 13:56:20,369 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.07 01:56:17" (1/3) ... [2020-07-10 13:56:20,370 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41916e5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 01:56:20, skipping insertion in model container [2020-07-10 13:56:20,371 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 01:56:18" (2/3) ... [2020-07-10 13:56:20,371 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41916e5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 01:56:20, skipping insertion in model container [2020-07-10 13:56:20,371 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 01:56:20" (3/3) ... [2020-07-10 13:56:20,373 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product08.cil.c [2020-07-10 13:56:20,385 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-10 13:56:20,394 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-10 13:56:20,410 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-10 13:56:20,439 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-10 13:56:20,439 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-10 13:56:20,439 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-10 13:56:20,440 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-10 13:56:20,440 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-10 13:56:20,440 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-10 13:56:20,440 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-10 13:56:20,441 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-10 13:56:20,467 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states. [2020-07-10 13:56:20,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-10 13:56:20,479 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 13:56:20,481 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-10 13:56:20,481 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 13:56:20,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 13:56:20,489 INFO L82 PathProgramCache]: Analyzing trace with hash 2078323826, now seen corresponding path program 1 times [2020-07-10 13:56:20,502 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-10 13:56:20,503 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85604313] [2020-07-10 13:56:20,504 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 13:56:20,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:56:21,334 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-10 13:56:21,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:56:21,423 INFO L280 TraceCheckUtils]: 0: Hoare triple {184#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string25.base| |old(#t~string25.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= ~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~string41.offset| |old(#t~string41.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#valid| |old(#valid)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(30);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(9);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(21);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(30);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(9);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(25);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(13);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string41.base, #t~string41.offset, 1);call write~init~int(77, #t~string41.base, 1 + #t~string41.offset, 1);call write~init~int(101, #t~string41.base, 2 + #t~string41.offset, 1);call write~init~int(116, #t~string41.base, 3 + #t~string41.offset, 1);call write~init~int(104, #t~string41.base, 4 + #t~string41.offset, 1);call write~init~int(58, #t~string41.base, 5 + #t~string41.offset, 1);call write~init~int(0, #t~string41.base, 6 + #t~string41.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string43.base, #t~string43.offset, 1);call write~init~int(82, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(73, #t~string43.base, 2 + #t~string43.offset, 1);call write~init~int(84, #t~string43.base, 3 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 4 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(75, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 2 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string47.base, #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 1 + #t~string47.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(13);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(110, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(80, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(117, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(109, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(112, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(110, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 3 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(32, #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(10, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; {161#true} is VALID [2020-07-10 13:56:21,423 INFO L280 TraceCheckUtils]: 1: Hoare triple {161#true} assume true; {161#true} is VALID [2020-07-10 13:56:21,424 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {161#true} {161#true} #488#return; {161#true} is VALID [2020-07-10 13:56:21,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:56:21,429 INFO L280 TraceCheckUtils]: 0: Hoare triple {161#true} assume true; {161#true} is VALID [2020-07-10 13:56:21,429 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {161#true} {161#true} #398#return; {161#true} is VALID [2020-07-10 13:56:21,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:56:21,434 INFO L280 TraceCheckUtils]: 0: Hoare triple {161#true} assume true; {161#true} is VALID [2020-07-10 13:56:21,434 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {161#true} {161#true} #400#return; {161#true} is VALID [2020-07-10 13:56:21,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:56:21,438 INFO L280 TraceCheckUtils]: 0: Hoare triple {161#true} havoc ~retValue_acc~8;~retValue_acc~8 := 1;#res := ~retValue_acc~8; {161#true} is VALID [2020-07-10 13:56:21,439 INFO L280 TraceCheckUtils]: 1: Hoare triple {161#true} assume true; {161#true} is VALID [2020-07-10 13:56:21,439 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {161#true} {161#true} #402#return; {161#true} is VALID [2020-07-10 13:56:21,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:56:21,443 INFO L280 TraceCheckUtils]: 0: Hoare triple {161#true} assume true; {161#true} is VALID [2020-07-10 13:56:21,443 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {161#true} {161#true} #404#return; {161#true} is VALID [2020-07-10 13:56:21,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:56:21,450 INFO L280 TraceCheckUtils]: 0: Hoare triple {161#true} havoc ~retValue_acc~3;~retValue_acc~3 := ~methaneLevelCritical~0;#res := ~retValue_acc~3; {161#true} is VALID [2020-07-10 13:56:21,451 INFO L280 TraceCheckUtils]: 1: Hoare triple {161#true} assume true; {161#true} is VALID [2020-07-10 13:56:21,451 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {161#true} {162#false} #480#return; {162#false} is VALID [2020-07-10 13:56:21,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:56:21,455 INFO L280 TraceCheckUtils]: 0: Hoare triple {161#true} havoc ~retValue_acc~4;~retValue_acc~4 := ~waterLevel~0;#res := ~retValue_acc~4; {161#true} is VALID [2020-07-10 13:56:21,456 INFO L280 TraceCheckUtils]: 1: Hoare triple {161#true} assume true; {161#true} is VALID [2020-07-10 13:56:21,456 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {161#true} {162#false} #482#return; {162#false} is VALID [2020-07-10 13:56:21,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:56:21,461 INFO L280 TraceCheckUtils]: 0: Hoare triple {161#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~pumpRunning~0;#res := ~retValue_acc~6; {161#true} is VALID [2020-07-10 13:56:21,461 INFO L280 TraceCheckUtils]: 1: Hoare triple {161#true} assume true; {161#true} is VALID [2020-07-10 13:56:21,462 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {161#true} {162#false} #484#return; {162#false} is VALID [2020-07-10 13:56:21,468 INFO L263 TraceCheckUtils]: 0: Hoare triple {161#true} call ULTIMATE.init(); {184#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string25.base| |old(#t~string25.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= ~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~string41.offset| |old(#t~string41.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#valid| |old(#valid)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|))} is VALID [2020-07-10 13:56:21,469 INFO L280 TraceCheckUtils]: 1: Hoare triple {184#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string25.base| |old(#t~string25.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= ~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~string41.offset| |old(#t~string41.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#valid| |old(#valid)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(30);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(9);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(21);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(30);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(9);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(25);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(13);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string41.base, #t~string41.offset, 1);call write~init~int(77, #t~string41.base, 1 + #t~string41.offset, 1);call write~init~int(101, #t~string41.base, 2 + #t~string41.offset, 1);call write~init~int(116, #t~string41.base, 3 + #t~string41.offset, 1);call write~init~int(104, #t~string41.base, 4 + #t~string41.offset, 1);call write~init~int(58, #t~string41.base, 5 + #t~string41.offset, 1);call write~init~int(0, #t~string41.base, 6 + #t~string41.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string43.base, #t~string43.offset, 1);call write~init~int(82, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(73, #t~string43.base, 2 + #t~string43.offset, 1);call write~init~int(84, #t~string43.base, 3 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 4 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(75, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 2 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string47.base, #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 1 + #t~string47.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(13);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(110, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(80, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(117, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(109, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(112, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(110, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 3 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(32, #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(10, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; {161#true} is VALID [2020-07-10 13:56:21,469 INFO L280 TraceCheckUtils]: 2: Hoare triple {161#true} assume true; {161#true} is VALID [2020-07-10 13:56:21,470 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {161#true} {161#true} #488#return; {161#true} is VALID [2020-07-10 13:56:21,470 INFO L263 TraceCheckUtils]: 4: Hoare triple {161#true} call #t~ret72 := main(); {161#true} is VALID [2020-07-10 13:56:21,471 INFO L280 TraceCheckUtils]: 5: Hoare triple {161#true} havoc ~retValue_acc~9;havoc ~tmp~6; {161#true} is VALID [2020-07-10 13:56:21,471 INFO L263 TraceCheckUtils]: 6: Hoare triple {161#true} call select_helpers(); {161#true} is VALID [2020-07-10 13:56:21,472 INFO L280 TraceCheckUtils]: 7: Hoare triple {161#true} assume true; {161#true} is VALID [2020-07-10 13:56:21,472 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {161#true} {161#true} #398#return; {161#true} is VALID [2020-07-10 13:56:21,473 INFO L263 TraceCheckUtils]: 9: Hoare triple {161#true} call select_features(); {161#true} is VALID [2020-07-10 13:56:21,473 INFO L280 TraceCheckUtils]: 10: Hoare triple {161#true} assume true; {161#true} is VALID [2020-07-10 13:56:21,474 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {161#true} {161#true} #400#return; {161#true} is VALID [2020-07-10 13:56:21,474 INFO L263 TraceCheckUtils]: 12: Hoare triple {161#true} call #t~ret71 := valid_product(); {161#true} is VALID [2020-07-10 13:56:21,474 INFO L280 TraceCheckUtils]: 13: Hoare triple {161#true} havoc ~retValue_acc~8;~retValue_acc~8 := 1;#res := ~retValue_acc~8; {161#true} is VALID [2020-07-10 13:56:21,475 INFO L280 TraceCheckUtils]: 14: Hoare triple {161#true} assume true; {161#true} is VALID [2020-07-10 13:56:21,475 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {161#true} {161#true} #402#return; {161#true} is VALID [2020-07-10 13:56:21,476 INFO L280 TraceCheckUtils]: 16: Hoare triple {161#true} assume -2147483648 <= #t~ret71 && #t~ret71 <= 2147483647;~tmp~6 := #t~ret71;havoc #t~ret71; {161#true} is VALID [2020-07-10 13:56:21,476 INFO L280 TraceCheckUtils]: 17: Hoare triple {161#true} assume 0 != ~tmp~6; {161#true} is VALID [2020-07-10 13:56:21,477 INFO L263 TraceCheckUtils]: 18: Hoare triple {161#true} call setup(); {161#true} is VALID [2020-07-10 13:56:21,477 INFO L280 TraceCheckUtils]: 19: Hoare triple {161#true} assume true; {161#true} is VALID [2020-07-10 13:56:21,478 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {161#true} {161#true} #404#return; {161#true} is VALID [2020-07-10 13:56:21,478 INFO L263 TraceCheckUtils]: 21: Hoare triple {161#true} call runTest(); {161#true} is VALID [2020-07-10 13:56:21,478 INFO L263 TraceCheckUtils]: 22: Hoare triple {161#true} call test(); {161#true} is VALID [2020-07-10 13:56:21,479 INFO L280 TraceCheckUtils]: 23: Hoare triple {161#true} havoc ~splverifierCounter~0;havoc ~tmp~4;havoc ~tmp___0~1;havoc ~tmp___1~1;havoc ~tmp___2~0;~splverifierCounter~0 := 0; {161#true} is VALID [2020-07-10 13:56:21,480 INFO L280 TraceCheckUtils]: 24: Hoare triple {161#true} assume !true; {162#false} is VALID [2020-07-10 13:56:21,480 INFO L263 TraceCheckUtils]: 25: Hoare triple {162#false} call cleanup(); {162#false} is VALID [2020-07-10 13:56:21,481 INFO L280 TraceCheckUtils]: 26: Hoare triple {162#false} havoc ~i~0;havoc ~__cil_tmp2~0; {162#false} is VALID [2020-07-10 13:56:21,481 INFO L263 TraceCheckUtils]: 27: Hoare triple {162#false} call timeShift(); {162#false} is VALID [2020-07-10 13:56:21,481 INFO L280 TraceCheckUtils]: 28: Hoare triple {162#false} assume !(0 != ~pumpRunning~0); {162#false} is VALID [2020-07-10 13:56:21,482 INFO L280 TraceCheckUtils]: 29: Hoare triple {162#false} assume !(0 != ~systemActive~0); {162#false} is VALID [2020-07-10 13:56:21,482 INFO L263 TraceCheckUtils]: 30: Hoare triple {162#false} call __utac_acc__Specification3_spec__1(); {162#false} is VALID [2020-07-10 13:56:21,482 INFO L280 TraceCheckUtils]: 31: Hoare triple {162#false} havoc ~tmp~0;havoc ~tmp___0~0;havoc ~tmp___1~0; {162#false} is VALID [2020-07-10 13:56:21,483 INFO L263 TraceCheckUtils]: 32: Hoare triple {162#false} call #t~ret0 := isMethaneLevelCritical(); {161#true} is VALID [2020-07-10 13:56:21,483 INFO L280 TraceCheckUtils]: 33: Hoare triple {161#true} havoc ~retValue_acc~3;~retValue_acc~3 := ~methaneLevelCritical~0;#res := ~retValue_acc~3; {161#true} is VALID [2020-07-10 13:56:21,483 INFO L280 TraceCheckUtils]: 34: Hoare triple {161#true} assume true; {161#true} is VALID [2020-07-10 13:56:21,484 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {161#true} {162#false} #480#return; {162#false} is VALID [2020-07-10 13:56:21,484 INFO L280 TraceCheckUtils]: 36: Hoare triple {162#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647;~tmp~0 := #t~ret0;havoc #t~ret0; {162#false} is VALID [2020-07-10 13:56:21,484 INFO L280 TraceCheckUtils]: 37: Hoare triple {162#false} assume !(0 != ~tmp~0); {162#false} is VALID [2020-07-10 13:56:21,485 INFO L263 TraceCheckUtils]: 38: Hoare triple {162#false} call #t~ret1 := getWaterLevel(); {161#true} is VALID [2020-07-10 13:56:21,485 INFO L280 TraceCheckUtils]: 39: Hoare triple {161#true} havoc ~retValue_acc~4;~retValue_acc~4 := ~waterLevel~0;#res := ~retValue_acc~4; {161#true} is VALID [2020-07-10 13:56:21,485 INFO L280 TraceCheckUtils]: 40: Hoare triple {161#true} assume true; {161#true} is VALID [2020-07-10 13:56:21,486 INFO L275 TraceCheckUtils]: 41: Hoare quadruple {161#true} {162#false} #482#return; {162#false} is VALID [2020-07-10 13:56:21,486 INFO L280 TraceCheckUtils]: 42: Hoare triple {162#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;~tmp___0~0 := #t~ret1;havoc #t~ret1; {162#false} is VALID [2020-07-10 13:56:21,486 INFO L280 TraceCheckUtils]: 43: Hoare triple {162#false} assume 2 == ~tmp___0~0; {162#false} is VALID [2020-07-10 13:56:21,487 INFO L263 TraceCheckUtils]: 44: Hoare triple {162#false} call #t~ret2 := isPumpRunning(); {161#true} is VALID [2020-07-10 13:56:21,487 INFO L280 TraceCheckUtils]: 45: Hoare triple {161#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~pumpRunning~0;#res := ~retValue_acc~6; {161#true} is VALID [2020-07-10 13:56:21,487 INFO L280 TraceCheckUtils]: 46: Hoare triple {161#true} assume true; {161#true} is VALID [2020-07-10 13:56:21,488 INFO L275 TraceCheckUtils]: 47: Hoare quadruple {161#true} {162#false} #484#return; {162#false} is VALID [2020-07-10 13:56:21,488 INFO L280 TraceCheckUtils]: 48: Hoare triple {162#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647;~tmp___1~0 := #t~ret2;havoc #t~ret2; {162#false} is VALID [2020-07-10 13:56:21,488 INFO L280 TraceCheckUtils]: 49: Hoare triple {162#false} assume !(0 != ~tmp___1~0); {162#false} is VALID [2020-07-10 13:56:21,488 INFO L263 TraceCheckUtils]: 50: Hoare triple {162#false} call __automaton_fail(); {162#false} is VALID [2020-07-10 13:56:21,489 INFO L280 TraceCheckUtils]: 51: Hoare triple {162#false} assume !false; {162#false} is VALID [2020-07-10 13:56:21,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-10 13:56:21,501 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85604313] [2020-07-10 13:56:21,502 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-10 13:56:21,502 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-10 13:56:21,503 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732556402] [2020-07-10 13:56:21,510 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-10 13:56:21,514 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 13:56:21,520 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-10 13:56:21,604 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 52 edges. 52 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 13:56:21,604 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-10 13:56:21,604 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-10 13:56:21,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-10 13:56:21,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-10 13:56:21,616 INFO L87 Difference]: Start difference. First operand 158 states. Second operand 3 states. [2020-07-10 13:56:25,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 13:56:25,943 INFO L93 Difference]: Finished difference Result 272 states and 360 transitions. [2020-07-10 13:56:25,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-10 13:56:25,943 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-10 13:56:25,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 13:56:25,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-10 13:56:25,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 360 transitions. [2020-07-10 13:56:25,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-10 13:56:26,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 360 transitions. [2020-07-10 13:56:26,004 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 360 transitions. [2020-07-10 13:56:27,249 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 360 edges. 360 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 13:56:27,274 INFO L225 Difference]: With dead ends: 272 [2020-07-10 13:56:27,275 INFO L226 Difference]: Without dead ends: 148 [2020-07-10 13:56:27,280 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-10 13:56:27,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2020-07-10 13:56:28,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 115. [2020-07-10 13:56:28,463 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 13:56:28,464 INFO L82 GeneralOperation]: Start isEquivalent. First operand 148 states. Second operand 115 states. [2020-07-10 13:56:28,464 INFO L74 IsIncluded]: Start isIncluded. First operand 148 states. Second operand 115 states. [2020-07-10 13:56:28,465 INFO L87 Difference]: Start difference. First operand 148 states. Second operand 115 states. [2020-07-10 13:56:28,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 13:56:28,488 INFO L93 Difference]: Finished difference Result 148 states and 188 transitions. [2020-07-10 13:56:28,488 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 188 transitions. [2020-07-10 13:56:28,492 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 13:56:28,495 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 13:56:28,495 INFO L74 IsIncluded]: Start isIncluded. First operand 115 states. Second operand 148 states. [2020-07-10 13:56:28,495 INFO L87 Difference]: Start difference. First operand 115 states. Second operand 148 states. [2020-07-10 13:56:28,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 13:56:28,518 INFO L93 Difference]: Finished difference Result 148 states and 188 transitions. [2020-07-10 13:56:28,518 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 188 transitions. [2020-07-10 13:56:28,527 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 13:56:28,528 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 13:56:28,528 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 13:56:28,528 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 13:56:28,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-07-10 13:56:28,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 135 transitions. [2020-07-10 13:56:28,541 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 135 transitions. Word has length 52 [2020-07-10 13:56:28,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 13:56:28,542 INFO L479 AbstractCegarLoop]: Abstraction has 115 states and 135 transitions. [2020-07-10 13:56:28,542 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-10 13:56:28,542 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 135 transitions. [2020-07-10 13:56:28,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-07-10 13:56:28,544 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 13:56:28,544 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-10 13:56:28,544 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-10 13:56:28,545 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 13:56:28,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 13:56:28,546 INFO L82 PathProgramCache]: Analyzing trace with hash 883286197, now seen corresponding path program 1 times [2020-07-10 13:56:28,550 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-10 13:56:28,550 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888198924] [2020-07-10 13:56:28,550 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 13:56:28,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:56:29,001 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-10 13:56:29,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:56:29,054 INFO L280 TraceCheckUtils]: 0: Hoare triple {1055#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string25.base| |old(#t~string25.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= ~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~string41.offset| |old(#t~string41.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#valid| |old(#valid)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(30);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(9);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(21);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(30);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(9);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(25);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(13);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string41.base, #t~string41.offset, 1);call write~init~int(77, #t~string41.base, 1 + #t~string41.offset, 1);call write~init~int(101, #t~string41.base, 2 + #t~string41.offset, 1);call write~init~int(116, #t~string41.base, 3 + #t~string41.offset, 1);call write~init~int(104, #t~string41.base, 4 + #t~string41.offset, 1);call write~init~int(58, #t~string41.base, 5 + #t~string41.offset, 1);call write~init~int(0, #t~string41.base, 6 + #t~string41.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string43.base, #t~string43.offset, 1);call write~init~int(82, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(73, #t~string43.base, 2 + #t~string43.offset, 1);call write~init~int(84, #t~string43.base, 3 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 4 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(75, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 2 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string47.base, #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 1 + #t~string47.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(13);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(110, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(80, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(117, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(109, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(112, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(110, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 3 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(32, #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(10, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; {1031#true} is VALID [2020-07-10 13:56:29,054 INFO L280 TraceCheckUtils]: 1: Hoare triple {1031#true} assume true; {1031#true} is VALID [2020-07-10 13:56:29,054 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1031#true} {1031#true} #488#return; {1031#true} is VALID [2020-07-10 13:56:29,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:56:29,057 INFO L280 TraceCheckUtils]: 0: Hoare triple {1031#true} assume true; {1031#true} is VALID [2020-07-10 13:56:29,058 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1031#true} {1031#true} #398#return; {1031#true} is VALID [2020-07-10 13:56:29,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:56:29,069 INFO L280 TraceCheckUtils]: 0: Hoare triple {1031#true} assume true; {1031#true} is VALID [2020-07-10 13:56:29,070 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1031#true} {1031#true} #400#return; {1031#true} is VALID [2020-07-10 13:56:29,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:56:29,078 INFO L280 TraceCheckUtils]: 0: Hoare triple {1031#true} havoc ~retValue_acc~8;~retValue_acc~8 := 1;#res := ~retValue_acc~8; {1031#true} is VALID [2020-07-10 13:56:29,079 INFO L280 TraceCheckUtils]: 1: Hoare triple {1031#true} assume true; {1031#true} is VALID [2020-07-10 13:56:29,079 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1031#true} {1031#true} #402#return; {1031#true} is VALID [2020-07-10 13:56:29,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:56:29,085 INFO L280 TraceCheckUtils]: 0: Hoare triple {1031#true} assume true; {1031#true} is VALID [2020-07-10 13:56:29,086 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1031#true} {1031#true} #404#return; {1031#true} is VALID [2020-07-10 13:56:29,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:56:29,090 INFO L280 TraceCheckUtils]: 0: Hoare triple {1031#true} havoc ~retValue_acc~3;~retValue_acc~3 := ~methaneLevelCritical~0;#res := ~retValue_acc~3; {1031#true} is VALID [2020-07-10 13:56:29,090 INFO L280 TraceCheckUtils]: 1: Hoare triple {1031#true} assume true; {1031#true} is VALID [2020-07-10 13:56:29,090 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1031#true} {1032#false} #480#return; {1032#false} is VALID [2020-07-10 13:56:29,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:56:29,094 INFO L280 TraceCheckUtils]: 0: Hoare triple {1031#true} havoc ~retValue_acc~4;~retValue_acc~4 := ~waterLevel~0;#res := ~retValue_acc~4; {1031#true} is VALID [2020-07-10 13:56:29,095 INFO L280 TraceCheckUtils]: 1: Hoare triple {1031#true} assume true; {1031#true} is VALID [2020-07-10 13:56:29,095 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1031#true} {1032#false} #482#return; {1032#false} is VALID [2020-07-10 13:56:29,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:56:29,099 INFO L280 TraceCheckUtils]: 0: Hoare triple {1031#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~pumpRunning~0;#res := ~retValue_acc~6; {1031#true} is VALID [2020-07-10 13:56:29,099 INFO L280 TraceCheckUtils]: 1: Hoare triple {1031#true} assume true; {1031#true} is VALID [2020-07-10 13:56:29,099 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1031#true} {1032#false} #484#return; {1032#false} is VALID [2020-07-10 13:56:29,104 INFO L263 TraceCheckUtils]: 0: Hoare triple {1031#true} call ULTIMATE.init(); {1055#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string25.base| |old(#t~string25.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= ~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~string41.offset| |old(#t~string41.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#valid| |old(#valid)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|))} is VALID [2020-07-10 13:56:29,105 INFO L280 TraceCheckUtils]: 1: Hoare triple {1055#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string25.base| |old(#t~string25.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= ~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~string41.offset| |old(#t~string41.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#valid| |old(#valid)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(30);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(9);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(21);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(30);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(9);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(25);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(13);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string41.base, #t~string41.offset, 1);call write~init~int(77, #t~string41.base, 1 + #t~string41.offset, 1);call write~init~int(101, #t~string41.base, 2 + #t~string41.offset, 1);call write~init~int(116, #t~string41.base, 3 + #t~string41.offset, 1);call write~init~int(104, #t~string41.base, 4 + #t~string41.offset, 1);call write~init~int(58, #t~string41.base, 5 + #t~string41.offset, 1);call write~init~int(0, #t~string41.base, 6 + #t~string41.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string43.base, #t~string43.offset, 1);call write~init~int(82, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(73, #t~string43.base, 2 + #t~string43.offset, 1);call write~init~int(84, #t~string43.base, 3 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 4 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(75, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 2 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string47.base, #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 1 + #t~string47.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(13);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(110, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(80, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(117, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(109, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(112, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(110, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 3 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(32, #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(10, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; {1031#true} is VALID [2020-07-10 13:56:29,105 INFO L280 TraceCheckUtils]: 2: Hoare triple {1031#true} assume true; {1031#true} is VALID [2020-07-10 13:56:29,105 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {1031#true} {1031#true} #488#return; {1031#true} is VALID [2020-07-10 13:56:29,105 INFO L263 TraceCheckUtils]: 4: Hoare triple {1031#true} call #t~ret72 := main(); {1031#true} is VALID [2020-07-10 13:56:29,106 INFO L280 TraceCheckUtils]: 5: Hoare triple {1031#true} havoc ~retValue_acc~9;havoc ~tmp~6; {1031#true} is VALID [2020-07-10 13:56:29,106 INFO L263 TraceCheckUtils]: 6: Hoare triple {1031#true} call select_helpers(); {1031#true} is VALID [2020-07-10 13:56:29,106 INFO L280 TraceCheckUtils]: 7: Hoare triple {1031#true} assume true; {1031#true} is VALID [2020-07-10 13:56:29,106 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {1031#true} {1031#true} #398#return; {1031#true} is VALID [2020-07-10 13:56:29,107 INFO L263 TraceCheckUtils]: 9: Hoare triple {1031#true} call select_features(); {1031#true} is VALID [2020-07-10 13:56:29,107 INFO L280 TraceCheckUtils]: 10: Hoare triple {1031#true} assume true; {1031#true} is VALID [2020-07-10 13:56:29,107 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {1031#true} {1031#true} #400#return; {1031#true} is VALID [2020-07-10 13:56:29,108 INFO L263 TraceCheckUtils]: 12: Hoare triple {1031#true} call #t~ret71 := valid_product(); {1031#true} is VALID [2020-07-10 13:56:29,108 INFO L280 TraceCheckUtils]: 13: Hoare triple {1031#true} havoc ~retValue_acc~8;~retValue_acc~8 := 1;#res := ~retValue_acc~8; {1031#true} is VALID [2020-07-10 13:56:29,108 INFO L280 TraceCheckUtils]: 14: Hoare triple {1031#true} assume true; {1031#true} is VALID [2020-07-10 13:56:29,108 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {1031#true} {1031#true} #402#return; {1031#true} is VALID [2020-07-10 13:56:29,109 INFO L280 TraceCheckUtils]: 16: Hoare triple {1031#true} assume -2147483648 <= #t~ret71 && #t~ret71 <= 2147483647;~tmp~6 := #t~ret71;havoc #t~ret71; {1031#true} is VALID [2020-07-10 13:56:29,109 INFO L280 TraceCheckUtils]: 17: Hoare triple {1031#true} assume 0 != ~tmp~6; {1031#true} is VALID [2020-07-10 13:56:29,109 INFO L263 TraceCheckUtils]: 18: Hoare triple {1031#true} call setup(); {1031#true} is VALID [2020-07-10 13:56:29,109 INFO L280 TraceCheckUtils]: 19: Hoare triple {1031#true} assume true; {1031#true} is VALID [2020-07-10 13:56:29,110 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {1031#true} {1031#true} #404#return; {1031#true} is VALID [2020-07-10 13:56:29,110 INFO L263 TraceCheckUtils]: 21: Hoare triple {1031#true} call runTest(); {1031#true} is VALID [2020-07-10 13:56:29,111 INFO L263 TraceCheckUtils]: 22: Hoare triple {1031#true} call test(); {1031#true} is VALID [2020-07-10 13:56:29,112 INFO L280 TraceCheckUtils]: 23: Hoare triple {1031#true} havoc ~splverifierCounter~0;havoc ~tmp~4;havoc ~tmp___0~1;havoc ~tmp___1~1;havoc ~tmp___2~0;~splverifierCounter~0 := 0; {1045#(= 0 test_~splverifierCounter~0)} is VALID [2020-07-10 13:56:29,113 INFO L280 TraceCheckUtils]: 24: Hoare triple {1045#(= 0 test_~splverifierCounter~0)} assume !false; {1045#(= 0 test_~splverifierCounter~0)} is VALID [2020-07-10 13:56:29,113 INFO L280 TraceCheckUtils]: 25: Hoare triple {1045#(= 0 test_~splverifierCounter~0)} assume !(~splverifierCounter~0 < 4); {1032#false} is VALID [2020-07-10 13:56:29,114 INFO L263 TraceCheckUtils]: 26: Hoare triple {1032#false} call cleanup(); {1032#false} is VALID [2020-07-10 13:56:29,114 INFO L280 TraceCheckUtils]: 27: Hoare triple {1032#false} havoc ~i~0;havoc ~__cil_tmp2~0; {1032#false} is VALID [2020-07-10 13:56:29,117 INFO L263 TraceCheckUtils]: 28: Hoare triple {1032#false} call timeShift(); {1032#false} is VALID [2020-07-10 13:56:29,118 INFO L280 TraceCheckUtils]: 29: Hoare triple {1032#false} assume !(0 != ~pumpRunning~0); {1032#false} is VALID [2020-07-10 13:56:29,118 INFO L280 TraceCheckUtils]: 30: Hoare triple {1032#false} assume !(0 != ~systemActive~0); {1032#false} is VALID [2020-07-10 13:56:29,118 INFO L263 TraceCheckUtils]: 31: Hoare triple {1032#false} call __utac_acc__Specification3_spec__1(); {1032#false} is VALID [2020-07-10 13:56:29,119 INFO L280 TraceCheckUtils]: 32: Hoare triple {1032#false} havoc ~tmp~0;havoc ~tmp___0~0;havoc ~tmp___1~0; {1032#false} is VALID [2020-07-10 13:56:29,119 INFO L263 TraceCheckUtils]: 33: Hoare triple {1032#false} call #t~ret0 := isMethaneLevelCritical(); {1031#true} is VALID [2020-07-10 13:56:29,119 INFO L280 TraceCheckUtils]: 34: Hoare triple {1031#true} havoc ~retValue_acc~3;~retValue_acc~3 := ~methaneLevelCritical~0;#res := ~retValue_acc~3; {1031#true} is VALID [2020-07-10 13:56:29,120 INFO L280 TraceCheckUtils]: 35: Hoare triple {1031#true} assume true; {1031#true} is VALID [2020-07-10 13:56:29,120 INFO L275 TraceCheckUtils]: 36: Hoare quadruple {1031#true} {1032#false} #480#return; {1032#false} is VALID [2020-07-10 13:56:29,120 INFO L280 TraceCheckUtils]: 37: Hoare triple {1032#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647;~tmp~0 := #t~ret0;havoc #t~ret0; {1032#false} is VALID [2020-07-10 13:56:29,120 INFO L280 TraceCheckUtils]: 38: Hoare triple {1032#false} assume !(0 != ~tmp~0); {1032#false} is VALID [2020-07-10 13:56:29,121 INFO L263 TraceCheckUtils]: 39: Hoare triple {1032#false} call #t~ret1 := getWaterLevel(); {1031#true} is VALID [2020-07-10 13:56:29,121 INFO L280 TraceCheckUtils]: 40: Hoare triple {1031#true} havoc ~retValue_acc~4;~retValue_acc~4 := ~waterLevel~0;#res := ~retValue_acc~4; {1031#true} is VALID [2020-07-10 13:56:29,121 INFO L280 TraceCheckUtils]: 41: Hoare triple {1031#true} assume true; {1031#true} is VALID [2020-07-10 13:56:29,122 INFO L275 TraceCheckUtils]: 42: Hoare quadruple {1031#true} {1032#false} #482#return; {1032#false} is VALID [2020-07-10 13:56:29,122 INFO L280 TraceCheckUtils]: 43: Hoare triple {1032#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;~tmp___0~0 := #t~ret1;havoc #t~ret1; {1032#false} is VALID [2020-07-10 13:56:29,127 INFO L280 TraceCheckUtils]: 44: Hoare triple {1032#false} assume 2 == ~tmp___0~0; {1032#false} is VALID [2020-07-10 13:56:29,128 INFO L263 TraceCheckUtils]: 45: Hoare triple {1032#false} call #t~ret2 := isPumpRunning(); {1031#true} is VALID [2020-07-10 13:56:29,128 INFO L280 TraceCheckUtils]: 46: Hoare triple {1031#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~pumpRunning~0;#res := ~retValue_acc~6; {1031#true} is VALID [2020-07-10 13:56:29,128 INFO L280 TraceCheckUtils]: 47: Hoare triple {1031#true} assume true; {1031#true} is VALID [2020-07-10 13:56:29,129 INFO L275 TraceCheckUtils]: 48: Hoare quadruple {1031#true} {1032#false} #484#return; {1032#false} is VALID [2020-07-10 13:56:29,129 INFO L280 TraceCheckUtils]: 49: Hoare triple {1032#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647;~tmp___1~0 := #t~ret2;havoc #t~ret2; {1032#false} is VALID [2020-07-10 13:56:29,129 INFO L280 TraceCheckUtils]: 50: Hoare triple {1032#false} assume !(0 != ~tmp___1~0); {1032#false} is VALID [2020-07-10 13:56:29,129 INFO L263 TraceCheckUtils]: 51: Hoare triple {1032#false} call __automaton_fail(); {1032#false} is VALID [2020-07-10 13:56:29,130 INFO L280 TraceCheckUtils]: 52: Hoare triple {1032#false} assume !false; {1032#false} is VALID [2020-07-10 13:56:29,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-10 13:56:29,146 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888198924] [2020-07-10 13:56:29,146 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-10 13:56:29,147 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-10 13:56:29,147 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898373608] [2020-07-10 13:56:29,153 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2020-07-10 13:56:29,153 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 13:56:29,154 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-10 13:56:29,235 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 53 edges. 53 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 13:56:29,235 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-10 13:56:29,235 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-10 13:56:29,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-10 13:56:29,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-10 13:56:29,236 INFO L87 Difference]: Start difference. First operand 115 states and 135 transitions. Second operand 4 states. [2020-07-10 13:56:30,524 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-10 13:56:33,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 13:56:33,661 INFO L93 Difference]: Finished difference Result 195 states and 239 transitions. [2020-07-10 13:56:33,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-10 13:56:33,662 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2020-07-10 13:56:33,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 13:56:33,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-10 13:56:33,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 239 transitions. [2020-07-10 13:56:33,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-10 13:56:33,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 239 transitions. [2020-07-10 13:56:33,682 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 239 transitions. [2020-07-10 13:56:34,546 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 239 edges. 239 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 13:56:34,552 INFO L225 Difference]: With dead ends: 195 [2020-07-10 13:56:34,553 INFO L226 Difference]: Without dead ends: 132 [2020-07-10 13:56:34,554 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-10 13:56:34,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2020-07-10 13:56:35,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 106. [2020-07-10 13:56:35,775 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 13:56:35,775 INFO L82 GeneralOperation]: Start isEquivalent. First operand 132 states. Second operand 106 states. [2020-07-10 13:56:35,775 INFO L74 IsIncluded]: Start isIncluded. First operand 132 states. Second operand 106 states. [2020-07-10 13:56:35,776 INFO L87 Difference]: Start difference. First operand 132 states. Second operand 106 states. [2020-07-10 13:56:35,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 13:56:35,784 INFO L93 Difference]: Finished difference Result 132 states and 164 transitions. [2020-07-10 13:56:35,784 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 164 transitions. [2020-07-10 13:56:35,785 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 13:56:35,785 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 13:56:35,785 INFO L74 IsIncluded]: Start isIncluded. First operand 106 states. Second operand 132 states. [2020-07-10 13:56:35,786 INFO L87 Difference]: Start difference. First operand 106 states. Second operand 132 states. [2020-07-10 13:56:35,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 13:56:35,793 INFO L93 Difference]: Finished difference Result 132 states and 164 transitions. [2020-07-10 13:56:35,793 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 164 transitions. [2020-07-10 13:56:35,794 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 13:56:35,795 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 13:56:35,795 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 13:56:35,795 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 13:56:35,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-07-10 13:56:35,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 123 transitions. [2020-07-10 13:56:35,800 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 123 transitions. Word has length 53 [2020-07-10 13:56:35,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 13:56:35,800 INFO L479 AbstractCegarLoop]: Abstraction has 106 states and 123 transitions. [2020-07-10 13:56:35,801 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-10 13:56:35,801 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 123 transitions. [2020-07-10 13:56:35,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-07-10 13:56:35,802 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 13:56:35,802 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-10 13:56:35,803 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-10 13:56:35,803 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 13:56:35,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 13:56:35,803 INFO L82 PathProgramCache]: Analyzing trace with hash -2055351283, now seen corresponding path program 1 times [2020-07-10 13:56:35,804 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-10 13:56:35,804 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988065961] [2020-07-10 13:56:35,804 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 13:56:35,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:56:36,226 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-10 13:56:36,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:56:36,379 INFO L280 TraceCheckUtils]: 0: Hoare triple {1786#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string25.base| |old(#t~string25.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= ~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~string41.offset| |old(#t~string41.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#valid| |old(#valid)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(30);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(9);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(21);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(30);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(9);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(25);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(13);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string41.base, #t~string41.offset, 1);call write~init~int(77, #t~string41.base, 1 + #t~string41.offset, 1);call write~init~int(101, #t~string41.base, 2 + #t~string41.offset, 1);call write~init~int(116, #t~string41.base, 3 + #t~string41.offset, 1);call write~init~int(104, #t~string41.base, 4 + #t~string41.offset, 1);call write~init~int(58, #t~string41.base, 5 + #t~string41.offset, 1);call write~init~int(0, #t~string41.base, 6 + #t~string41.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string43.base, #t~string43.offset, 1);call write~init~int(82, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(73, #t~string43.base, 2 + #t~string43.offset, 1);call write~init~int(84, #t~string43.base, 3 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 4 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(75, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 2 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string47.base, #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 1 + #t~string47.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(13);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(110, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(80, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(117, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(109, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(112, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(110, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 3 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(32, #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(10, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; {1764#(= 1 ~systemActive~0)} is VALID [2020-07-10 13:56:36,380 INFO L280 TraceCheckUtils]: 1: Hoare triple {1764#(= 1 ~systemActive~0)} assume true; {1764#(= 1 ~systemActive~0)} is VALID [2020-07-10 13:56:36,381 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1764#(= 1 ~systemActive~0)} {1759#true} #488#return; {1764#(= 1 ~systemActive~0)} is VALID [2020-07-10 13:56:36,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:56:36,385 INFO L280 TraceCheckUtils]: 0: Hoare triple {1759#true} assume true; {1759#true} is VALID [2020-07-10 13:56:36,386 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1759#true} {1764#(= 1 ~systemActive~0)} #398#return; {1764#(= 1 ~systemActive~0)} is VALID [2020-07-10 13:56:36,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:56:36,392 INFO L280 TraceCheckUtils]: 0: Hoare triple {1759#true} assume true; {1759#true} is VALID [2020-07-10 13:56:36,393 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1759#true} {1764#(= 1 ~systemActive~0)} #400#return; {1764#(= 1 ~systemActive~0)} is VALID [2020-07-10 13:56:36,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:56:36,415 INFO L280 TraceCheckUtils]: 0: Hoare triple {1759#true} havoc ~retValue_acc~8;~retValue_acc~8 := 1;#res := ~retValue_acc~8; {1787#(= 1 |valid_product_#res|)} is VALID [2020-07-10 13:56:36,416 INFO L280 TraceCheckUtils]: 1: Hoare triple {1787#(= 1 |valid_product_#res|)} assume true; {1787#(= 1 |valid_product_#res|)} is VALID [2020-07-10 13:56:36,417 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1787#(= 1 |valid_product_#res|)} {1764#(= 1 ~systemActive~0)} #402#return; {1772#(= |main_#t~ret71| ~systemActive~0)} is VALID [2020-07-10 13:56:36,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:56:36,420 INFO L280 TraceCheckUtils]: 0: Hoare triple {1759#true} assume true; {1759#true} is VALID [2020-07-10 13:56:36,421 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1759#true} {1774#(not (= 0 ~systemActive~0))} #404#return; {1774#(not (= 0 ~systemActive~0))} is VALID [2020-07-10 13:56:36,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:56:36,424 INFO L280 TraceCheckUtils]: 0: Hoare triple {1759#true} havoc ~retValue_acc~3;~retValue_acc~3 := ~methaneLevelCritical~0;#res := ~retValue_acc~3; {1759#true} is VALID [2020-07-10 13:56:36,424 INFO L280 TraceCheckUtils]: 1: Hoare triple {1759#true} assume true; {1759#true} is VALID [2020-07-10 13:56:36,424 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1759#true} {1760#false} #480#return; {1760#false} is VALID [2020-07-10 13:56:36,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:56:36,428 INFO L280 TraceCheckUtils]: 0: Hoare triple {1759#true} havoc ~retValue_acc~4;~retValue_acc~4 := ~waterLevel~0;#res := ~retValue_acc~4; {1759#true} is VALID [2020-07-10 13:56:36,429 INFO L280 TraceCheckUtils]: 1: Hoare triple {1759#true} assume true; {1759#true} is VALID [2020-07-10 13:56:36,429 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1759#true} {1760#false} #482#return; {1760#false} is VALID [2020-07-10 13:56:36,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:56:36,432 INFO L280 TraceCheckUtils]: 0: Hoare triple {1759#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~pumpRunning~0;#res := ~retValue_acc~6; {1759#true} is VALID [2020-07-10 13:56:36,432 INFO L280 TraceCheckUtils]: 1: Hoare triple {1759#true} assume true; {1759#true} is VALID [2020-07-10 13:56:36,433 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1759#true} {1760#false} #484#return; {1760#false} is VALID [2020-07-10 13:56:36,437 INFO L263 TraceCheckUtils]: 0: Hoare triple {1759#true} call ULTIMATE.init(); {1786#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string25.base| |old(#t~string25.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= ~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~string41.offset| |old(#t~string41.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#valid| |old(#valid)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|))} is VALID [2020-07-10 13:56:36,443 INFO L280 TraceCheckUtils]: 1: Hoare triple {1786#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string25.base| |old(#t~string25.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= ~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~string41.offset| |old(#t~string41.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#valid| |old(#valid)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(30);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(9);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(21);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(30);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(9);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(25);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(13);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string41.base, #t~string41.offset, 1);call write~init~int(77, #t~string41.base, 1 + #t~string41.offset, 1);call write~init~int(101, #t~string41.base, 2 + #t~string41.offset, 1);call write~init~int(116, #t~string41.base, 3 + #t~string41.offset, 1);call write~init~int(104, #t~string41.base, 4 + #t~string41.offset, 1);call write~init~int(58, #t~string41.base, 5 + #t~string41.offset, 1);call write~init~int(0, #t~string41.base, 6 + #t~string41.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string43.base, #t~string43.offset, 1);call write~init~int(82, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(73, #t~string43.base, 2 + #t~string43.offset, 1);call write~init~int(84, #t~string43.base, 3 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 4 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(75, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 2 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string47.base, #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 1 + #t~string47.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(13);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(110, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(80, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(117, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(109, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(112, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(110, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 3 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(32, #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(10, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; {1764#(= 1 ~systemActive~0)} is VALID [2020-07-10 13:56:36,444 INFO L280 TraceCheckUtils]: 2: Hoare triple {1764#(= 1 ~systemActive~0)} assume true; {1764#(= 1 ~systemActive~0)} is VALID [2020-07-10 13:56:36,445 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {1764#(= 1 ~systemActive~0)} {1759#true} #488#return; {1764#(= 1 ~systemActive~0)} is VALID [2020-07-10 13:56:36,446 INFO L263 TraceCheckUtils]: 4: Hoare triple {1764#(= 1 ~systemActive~0)} call #t~ret72 := main(); {1764#(= 1 ~systemActive~0)} is VALID [2020-07-10 13:56:36,447 INFO L280 TraceCheckUtils]: 5: Hoare triple {1764#(= 1 ~systemActive~0)} havoc ~retValue_acc~9;havoc ~tmp~6; {1764#(= 1 ~systemActive~0)} is VALID [2020-07-10 13:56:36,447 INFO L263 TraceCheckUtils]: 6: Hoare triple {1764#(= 1 ~systemActive~0)} call select_helpers(); {1759#true} is VALID [2020-07-10 13:56:36,448 INFO L280 TraceCheckUtils]: 7: Hoare triple {1759#true} assume true; {1759#true} is VALID [2020-07-10 13:56:36,448 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {1759#true} {1764#(= 1 ~systemActive~0)} #398#return; {1764#(= 1 ~systemActive~0)} is VALID [2020-07-10 13:56:36,449 INFO L263 TraceCheckUtils]: 9: Hoare triple {1764#(= 1 ~systemActive~0)} call select_features(); {1759#true} is VALID [2020-07-10 13:56:36,449 INFO L280 TraceCheckUtils]: 10: Hoare triple {1759#true} assume true; {1759#true} is VALID [2020-07-10 13:56:36,449 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {1759#true} {1764#(= 1 ~systemActive~0)} #400#return; {1764#(= 1 ~systemActive~0)} is VALID [2020-07-10 13:56:36,450 INFO L263 TraceCheckUtils]: 12: Hoare triple {1764#(= 1 ~systemActive~0)} call #t~ret71 := valid_product(); {1759#true} is VALID [2020-07-10 13:56:36,450 INFO L280 TraceCheckUtils]: 13: Hoare triple {1759#true} havoc ~retValue_acc~8;~retValue_acc~8 := 1;#res := ~retValue_acc~8; {1787#(= 1 |valid_product_#res|)} is VALID [2020-07-10 13:56:36,451 INFO L280 TraceCheckUtils]: 14: Hoare triple {1787#(= 1 |valid_product_#res|)} assume true; {1787#(= 1 |valid_product_#res|)} is VALID [2020-07-10 13:56:36,452 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {1787#(= 1 |valid_product_#res|)} {1764#(= 1 ~systemActive~0)} #402#return; {1772#(= |main_#t~ret71| ~systemActive~0)} is VALID [2020-07-10 13:56:36,453 INFO L280 TraceCheckUtils]: 16: Hoare triple {1772#(= |main_#t~ret71| ~systemActive~0)} assume -2147483648 <= #t~ret71 && #t~ret71 <= 2147483647;~tmp~6 := #t~ret71;havoc #t~ret71; {1773#(= main_~tmp~6 ~systemActive~0)} is VALID [2020-07-10 13:56:36,454 INFO L280 TraceCheckUtils]: 17: Hoare triple {1773#(= main_~tmp~6 ~systemActive~0)} assume 0 != ~tmp~6; {1774#(not (= 0 ~systemActive~0))} is VALID [2020-07-10 13:56:36,454 INFO L263 TraceCheckUtils]: 18: Hoare triple {1774#(not (= 0 ~systemActive~0))} call setup(); {1759#true} is VALID [2020-07-10 13:56:36,454 INFO L280 TraceCheckUtils]: 19: Hoare triple {1759#true} assume true; {1759#true} is VALID [2020-07-10 13:56:36,455 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {1759#true} {1774#(not (= 0 ~systemActive~0))} #404#return; {1774#(not (= 0 ~systemActive~0))} is VALID [2020-07-10 13:56:36,456 INFO L263 TraceCheckUtils]: 21: Hoare triple {1774#(not (= 0 ~systemActive~0))} call runTest(); {1774#(not (= 0 ~systemActive~0))} is VALID [2020-07-10 13:56:36,456 INFO L263 TraceCheckUtils]: 22: Hoare triple {1774#(not (= 0 ~systemActive~0))} call test(); {1774#(not (= 0 ~systemActive~0))} is VALID [2020-07-10 13:56:36,457 INFO L280 TraceCheckUtils]: 23: Hoare triple {1774#(not (= 0 ~systemActive~0))} havoc ~splverifierCounter~0;havoc ~tmp~4;havoc ~tmp___0~1;havoc ~tmp___1~1;havoc ~tmp___2~0;~splverifierCounter~0 := 0; {1774#(not (= 0 ~systemActive~0))} is VALID [2020-07-10 13:56:36,462 INFO L280 TraceCheckUtils]: 24: Hoare triple {1774#(not (= 0 ~systemActive~0))} assume !false; {1774#(not (= 0 ~systemActive~0))} is VALID [2020-07-10 13:56:36,462 INFO L280 TraceCheckUtils]: 25: Hoare triple {1774#(not (= 0 ~systemActive~0))} assume ~splverifierCounter~0 < 4; {1774#(not (= 0 ~systemActive~0))} is VALID [2020-07-10 13:56:36,463 INFO L280 TraceCheckUtils]: 26: Hoare triple {1774#(not (= 0 ~systemActive~0))} assume -2147483648 <= #t~nondet48 && #t~nondet48 <= 2147483647;~tmp~4 := #t~nondet48;havoc #t~nondet48; {1774#(not (= 0 ~systemActive~0))} is VALID [2020-07-10 13:56:36,464 INFO L280 TraceCheckUtils]: 27: Hoare triple {1774#(not (= 0 ~systemActive~0))} assume !(0 != ~tmp~4); {1774#(not (= 0 ~systemActive~0))} is VALID [2020-07-10 13:56:36,464 INFO L280 TraceCheckUtils]: 28: Hoare triple {1774#(not (= 0 ~systemActive~0))} assume -2147483648 <= #t~nondet49 && #t~nondet49 <= 2147483647;~tmp___0~1 := #t~nondet49;havoc #t~nondet49; {1774#(not (= 0 ~systemActive~0))} is VALID [2020-07-10 13:56:36,465 INFO L280 TraceCheckUtils]: 29: Hoare triple {1774#(not (= 0 ~systemActive~0))} assume !(0 != ~tmp___0~1); {1774#(not (= 0 ~systemActive~0))} is VALID [2020-07-10 13:56:36,466 INFO L280 TraceCheckUtils]: 30: Hoare triple {1774#(not (= 0 ~systemActive~0))} assume -2147483648 <= #t~nondet50 && #t~nondet50 <= 2147483647;~tmp___2~0 := #t~nondet50;havoc #t~nondet50; {1774#(not (= 0 ~systemActive~0))} is VALID [2020-07-10 13:56:36,466 INFO L280 TraceCheckUtils]: 31: Hoare triple {1774#(not (= 0 ~systemActive~0))} assume !(0 != ~tmp___2~0);assume -2147483648 <= #t~nondet51 && #t~nondet51 <= 2147483647;~tmp___1~1 := #t~nondet51;havoc #t~nondet51; {1774#(not (= 0 ~systemActive~0))} is VALID [2020-07-10 13:56:36,467 INFO L280 TraceCheckUtils]: 32: Hoare triple {1774#(not (= 0 ~systemActive~0))} assume !(0 != ~tmp___1~1); {1774#(not (= 0 ~systemActive~0))} is VALID [2020-07-10 13:56:36,467 INFO L263 TraceCheckUtils]: 33: Hoare triple {1774#(not (= 0 ~systemActive~0))} call timeShift(); {1774#(not (= 0 ~systemActive~0))} is VALID [2020-07-10 13:56:36,468 INFO L280 TraceCheckUtils]: 34: Hoare triple {1774#(not (= 0 ~systemActive~0))} assume !(0 != ~pumpRunning~0); {1774#(not (= 0 ~systemActive~0))} is VALID [2020-07-10 13:56:36,468 INFO L280 TraceCheckUtils]: 35: Hoare triple {1774#(not (= 0 ~systemActive~0))} assume !(0 != ~systemActive~0); {1760#false} is VALID [2020-07-10 13:56:36,469 INFO L263 TraceCheckUtils]: 36: Hoare triple {1760#false} call __utac_acc__Specification3_spec__1(); {1760#false} is VALID [2020-07-10 13:56:36,469 INFO L280 TraceCheckUtils]: 37: Hoare triple {1760#false} havoc ~tmp~0;havoc ~tmp___0~0;havoc ~tmp___1~0; {1760#false} is VALID [2020-07-10 13:56:36,469 INFO L263 TraceCheckUtils]: 38: Hoare triple {1760#false} call #t~ret0 := isMethaneLevelCritical(); {1759#true} is VALID [2020-07-10 13:56:36,469 INFO L280 TraceCheckUtils]: 39: Hoare triple {1759#true} havoc ~retValue_acc~3;~retValue_acc~3 := ~methaneLevelCritical~0;#res := ~retValue_acc~3; {1759#true} is VALID [2020-07-10 13:56:36,470 INFO L280 TraceCheckUtils]: 40: Hoare triple {1759#true} assume true; {1759#true} is VALID [2020-07-10 13:56:36,470 INFO L275 TraceCheckUtils]: 41: Hoare quadruple {1759#true} {1760#false} #480#return; {1760#false} is VALID [2020-07-10 13:56:36,470 INFO L280 TraceCheckUtils]: 42: Hoare triple {1760#false} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647;~tmp~0 := #t~ret0;havoc #t~ret0; {1760#false} is VALID [2020-07-10 13:56:36,470 INFO L280 TraceCheckUtils]: 43: Hoare triple {1760#false} assume !(0 != ~tmp~0); {1760#false} is VALID [2020-07-10 13:56:36,470 INFO L263 TraceCheckUtils]: 44: Hoare triple {1760#false} call #t~ret1 := getWaterLevel(); {1759#true} is VALID [2020-07-10 13:56:36,471 INFO L280 TraceCheckUtils]: 45: Hoare triple {1759#true} havoc ~retValue_acc~4;~retValue_acc~4 := ~waterLevel~0;#res := ~retValue_acc~4; {1759#true} is VALID [2020-07-10 13:56:36,471 INFO L280 TraceCheckUtils]: 46: Hoare triple {1759#true} assume true; {1759#true} is VALID [2020-07-10 13:56:36,471 INFO L275 TraceCheckUtils]: 47: Hoare quadruple {1759#true} {1760#false} #482#return; {1760#false} is VALID [2020-07-10 13:56:36,471 INFO L280 TraceCheckUtils]: 48: Hoare triple {1760#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;~tmp___0~0 := #t~ret1;havoc #t~ret1; {1760#false} is VALID [2020-07-10 13:56:36,472 INFO L280 TraceCheckUtils]: 49: Hoare triple {1760#false} assume 2 == ~tmp___0~0; {1760#false} is VALID [2020-07-10 13:56:36,472 INFO L263 TraceCheckUtils]: 50: Hoare triple {1760#false} call #t~ret2 := isPumpRunning(); {1759#true} is VALID [2020-07-10 13:56:36,472 INFO L280 TraceCheckUtils]: 51: Hoare triple {1759#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~pumpRunning~0;#res := ~retValue_acc~6; {1759#true} is VALID [2020-07-10 13:56:36,473 INFO L280 TraceCheckUtils]: 52: Hoare triple {1759#true} assume true; {1759#true} is VALID [2020-07-10 13:56:36,474 INFO L275 TraceCheckUtils]: 53: Hoare quadruple {1759#true} {1760#false} #484#return; {1760#false} is VALID [2020-07-10 13:56:36,474 INFO L280 TraceCheckUtils]: 54: Hoare triple {1760#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647;~tmp___1~0 := #t~ret2;havoc #t~ret2; {1760#false} is VALID [2020-07-10 13:56:36,474 INFO L280 TraceCheckUtils]: 55: Hoare triple {1760#false} assume !(0 != ~tmp___1~0); {1760#false} is VALID [2020-07-10 13:56:36,474 INFO L263 TraceCheckUtils]: 56: Hoare triple {1760#false} call __automaton_fail(); {1760#false} is VALID [2020-07-10 13:56:36,475 INFO L280 TraceCheckUtils]: 57: Hoare triple {1760#false} assume !false; {1760#false} is VALID [2020-07-10 13:56:36,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-10 13:56:36,483 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988065961] [2020-07-10 13:56:36,483 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-10 13:56:36,483 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-10 13:56:36,484 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631806475] [2020-07-10 13:56:36,484 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58 [2020-07-10 13:56:36,485 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 13:56:36,485 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2020-07-10 13:56:36,557 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 58 edges. 58 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 13:56:36,557 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-10 13:56:36,557 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-10 13:56:36,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-10 13:56:36,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-10 13:56:36,558 INFO L87 Difference]: Start difference. First operand 106 states and 123 transitions. Second operand 8 states. [2020-07-10 13:56:37,338 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-10 13:56:38,263 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-10 13:56:38,680 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-10 13:56:39,002 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-10 13:56:42,903 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-10 13:56:52,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 13:56:52,024 INFO L93 Difference]: Finished difference Result 375 states and 467 transitions. [2020-07-10 13:56:52,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-10 13:56:52,024 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58 [2020-07-10 13:56:52,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 13:56:52,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-10 13:56:52,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 467 transitions. [2020-07-10 13:56:52,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-10 13:56:52,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 467 transitions. [2020-07-10 13:56:52,048 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states and 467 transitions. [2020-07-10 13:56:53,658 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 467 edges. 467 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 13:56:53,672 INFO L225 Difference]: With dead ends: 375 [2020-07-10 13:56:53,672 INFO L226 Difference]: Without dead ends: 293 [2020-07-10 13:56:53,673 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-07-10 13:56:53,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2020-07-10 13:56:56,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 232. [2020-07-10 13:56:56,214 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 13:56:56,214 INFO L82 GeneralOperation]: Start isEquivalent. First operand 293 states. Second operand 232 states. [2020-07-10 13:56:56,214 INFO L74 IsIncluded]: Start isIncluded. First operand 293 states. Second operand 232 states. [2020-07-10 13:56:56,214 INFO L87 Difference]: Start difference. First operand 293 states. Second operand 232 states. [2020-07-10 13:56:56,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 13:56:56,231 INFO L93 Difference]: Finished difference Result 293 states and 361 transitions. [2020-07-10 13:56:56,231 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 361 transitions. [2020-07-10 13:56:56,233 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 13:56:56,233 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 13:56:56,233 INFO L74 IsIncluded]: Start isIncluded. First operand 232 states. Second operand 293 states. [2020-07-10 13:56:56,233 INFO L87 Difference]: Start difference. First operand 232 states. Second operand 293 states. [2020-07-10 13:56:56,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 13:56:56,249 INFO L93 Difference]: Finished difference Result 293 states and 361 transitions. [2020-07-10 13:56:56,249 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 361 transitions. [2020-07-10 13:56:56,251 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 13:56:56,251 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 13:56:56,251 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 13:56:56,251 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 13:56:56,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 232 states. [2020-07-10 13:56:56,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 281 transitions. [2020-07-10 13:56:56,261 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 281 transitions. Word has length 58 [2020-07-10 13:56:56,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 13:56:56,262 INFO L479 AbstractCegarLoop]: Abstraction has 232 states and 281 transitions. [2020-07-10 13:56:56,262 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-10 13:56:56,262 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 281 transitions. [2020-07-10 13:56:56,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-07-10 13:56:56,263 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 13:56:56,264 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] [2020-07-10 13:56:56,264 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-10 13:56:56,264 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 13:56:56,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 13:56:56,264 INFO L82 PathProgramCache]: Analyzing trace with hash -1417899682, now seen corresponding path program 1 times [2020-07-10 13:56:56,265 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-10 13:56:56,265 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603142338] [2020-07-10 13:56:56,265 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 13:56:56,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:56:56,627 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-10 13:56:56,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:56:56,713 INFO L280 TraceCheckUtils]: 0: Hoare triple {3278#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string25.base| |old(#t~string25.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= ~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~string41.offset| |old(#t~string41.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#valid| |old(#valid)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(30);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(9);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(21);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(30);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(9);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(25);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(13);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string41.base, #t~string41.offset, 1);call write~init~int(77, #t~string41.base, 1 + #t~string41.offset, 1);call write~init~int(101, #t~string41.base, 2 + #t~string41.offset, 1);call write~init~int(116, #t~string41.base, 3 + #t~string41.offset, 1);call write~init~int(104, #t~string41.base, 4 + #t~string41.offset, 1);call write~init~int(58, #t~string41.base, 5 + #t~string41.offset, 1);call write~init~int(0, #t~string41.base, 6 + #t~string41.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string43.base, #t~string43.offset, 1);call write~init~int(82, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(73, #t~string43.base, 2 + #t~string43.offset, 1);call write~init~int(84, #t~string43.base, 3 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 4 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(75, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 2 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string47.base, #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 1 + #t~string47.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(13);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(110, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(80, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(117, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(109, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(112, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(110, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 3 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(32, #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(10, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; {3253#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:56:56,714 INFO L280 TraceCheckUtils]: 1: Hoare triple {3253#(= 1 ~waterLevel~0)} assume true; {3253#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:56:56,715 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {3253#(= 1 ~waterLevel~0)} {3248#true} #488#return; {3253#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:56:56,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:56:56,720 INFO L280 TraceCheckUtils]: 0: Hoare triple {3248#true} assume true; {3248#true} is VALID [2020-07-10 13:56:56,721 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {3248#true} {3253#(= 1 ~waterLevel~0)} #398#return; {3253#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:56:56,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:56:56,726 INFO L280 TraceCheckUtils]: 0: Hoare triple {3248#true} assume true; {3248#true} is VALID [2020-07-10 13:56:56,727 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {3248#true} {3253#(= 1 ~waterLevel~0)} #400#return; {3253#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:56:56,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:56:56,731 INFO L280 TraceCheckUtils]: 0: Hoare triple {3248#true} havoc ~retValue_acc~8;~retValue_acc~8 := 1;#res := ~retValue_acc~8; {3248#true} is VALID [2020-07-10 13:56:56,731 INFO L280 TraceCheckUtils]: 1: Hoare triple {3248#true} assume true; {3248#true} is VALID [2020-07-10 13:56:56,732 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {3248#true} {3253#(= 1 ~waterLevel~0)} #402#return; {3253#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:56:56,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:56:56,735 INFO L280 TraceCheckUtils]: 0: Hoare triple {3248#true} assume true; {3248#true} is VALID [2020-07-10 13:56:56,736 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {3248#true} {3253#(= 1 ~waterLevel~0)} #404#return; {3253#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:56:56,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:56:56,754 INFO L280 TraceCheckUtils]: 0: Hoare triple {3279#(and (= ~systemActive~0 |old(~systemActive~0)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|))} assume !(0 != ~pumpRunning~0); {3248#true} is VALID [2020-07-10 13:56:56,754 INFO L280 TraceCheckUtils]: 1: Hoare triple {3248#true} ~systemActive~0 := 0; {3248#true} is VALID [2020-07-10 13:56:56,754 INFO L280 TraceCheckUtils]: 2: Hoare triple {3248#true} assume true; {3248#true} is VALID [2020-07-10 13:56:56,755 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {3248#true} {3253#(= 1 ~waterLevel~0)} #454#return; {3253#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:56:56,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:56:56,759 INFO L280 TraceCheckUtils]: 0: Hoare triple {3248#true} havoc ~retValue_acc~3;~retValue_acc~3 := ~methaneLevelCritical~0;#res := ~retValue_acc~3; {3248#true} is VALID [2020-07-10 13:56:56,760 INFO L280 TraceCheckUtils]: 1: Hoare triple {3248#true} assume true; {3248#true} is VALID [2020-07-10 13:56:56,760 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {3248#true} {3253#(= 1 ~waterLevel~0)} #480#return; {3253#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:56:56,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:56:56,784 INFO L280 TraceCheckUtils]: 0: Hoare triple {3248#true} havoc ~retValue_acc~4;~retValue_acc~4 := ~waterLevel~0;#res := ~retValue_acc~4; {3280#(= |getWaterLevel_#res| ~waterLevel~0)} is VALID [2020-07-10 13:56:56,784 INFO L280 TraceCheckUtils]: 1: Hoare triple {3280#(= |getWaterLevel_#res| ~waterLevel~0)} assume true; {3280#(= |getWaterLevel_#res| ~waterLevel~0)} is VALID [2020-07-10 13:56:56,785 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {3280#(= |getWaterLevel_#res| ~waterLevel~0)} {3253#(= 1 ~waterLevel~0)} #482#return; {3273#(= 1 |__utac_acc__Specification3_spec__1_#t~ret1|)} is VALID [2020-07-10 13:56:56,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 13:56:56,789 INFO L280 TraceCheckUtils]: 0: Hoare triple {3248#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~pumpRunning~0;#res := ~retValue_acc~6; {3248#true} is VALID [2020-07-10 13:56:56,789 INFO L280 TraceCheckUtils]: 1: Hoare triple {3248#true} assume true; {3248#true} is VALID [2020-07-10 13:56:56,790 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {3248#true} {3249#false} #484#return; {3249#false} is VALID [2020-07-10 13:56:56,795 INFO L263 TraceCheckUtils]: 0: Hoare triple {3248#true} call ULTIMATE.init(); {3278#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string25.base| |old(#t~string25.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= ~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~string41.offset| |old(#t~string41.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#valid| |old(#valid)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|))} is VALID [2020-07-10 13:56:56,801 INFO L280 TraceCheckUtils]: 1: Hoare triple {3278#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string25.base| |old(#t~string25.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= ~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~string41.offset| |old(#t~string41.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#valid| |old(#valid)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(30);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(9);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(21);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(30);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(9);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(25);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(13);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string41.base, #t~string41.offset, 1);call write~init~int(77, #t~string41.base, 1 + #t~string41.offset, 1);call write~init~int(101, #t~string41.base, 2 + #t~string41.offset, 1);call write~init~int(116, #t~string41.base, 3 + #t~string41.offset, 1);call write~init~int(104, #t~string41.base, 4 + #t~string41.offset, 1);call write~init~int(58, #t~string41.base, 5 + #t~string41.offset, 1);call write~init~int(0, #t~string41.base, 6 + #t~string41.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string43.base, #t~string43.offset, 1);call write~init~int(82, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(73, #t~string43.base, 2 + #t~string43.offset, 1);call write~init~int(84, #t~string43.base, 3 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 4 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(75, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 2 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string47.base, #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 1 + #t~string47.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(13);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(110, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(80, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(117, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(109, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(112, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(110, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 3 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(32, #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(10, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; {3253#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:56:56,802 INFO L280 TraceCheckUtils]: 2: Hoare triple {3253#(= 1 ~waterLevel~0)} assume true; {3253#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:56:56,802 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {3253#(= 1 ~waterLevel~0)} {3248#true} #488#return; {3253#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:56:56,803 INFO L263 TraceCheckUtils]: 4: Hoare triple {3253#(= 1 ~waterLevel~0)} call #t~ret72 := main(); {3253#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:56:56,804 INFO L280 TraceCheckUtils]: 5: Hoare triple {3253#(= 1 ~waterLevel~0)} havoc ~retValue_acc~9;havoc ~tmp~6; {3253#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:56:56,804 INFO L263 TraceCheckUtils]: 6: Hoare triple {3253#(= 1 ~waterLevel~0)} call select_helpers(); {3248#true} is VALID [2020-07-10 13:56:56,804 INFO L280 TraceCheckUtils]: 7: Hoare triple {3248#true} assume true; {3248#true} is VALID [2020-07-10 13:56:56,805 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {3248#true} {3253#(= 1 ~waterLevel~0)} #398#return; {3253#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:56:56,805 INFO L263 TraceCheckUtils]: 9: Hoare triple {3253#(= 1 ~waterLevel~0)} call select_features(); {3248#true} is VALID [2020-07-10 13:56:56,805 INFO L280 TraceCheckUtils]: 10: Hoare triple {3248#true} assume true; {3248#true} is VALID [2020-07-10 13:56:56,806 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {3248#true} {3253#(= 1 ~waterLevel~0)} #400#return; {3253#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:56:56,806 INFO L263 TraceCheckUtils]: 12: Hoare triple {3253#(= 1 ~waterLevel~0)} call #t~ret71 := valid_product(); {3248#true} is VALID [2020-07-10 13:56:56,806 INFO L280 TraceCheckUtils]: 13: Hoare triple {3248#true} havoc ~retValue_acc~8;~retValue_acc~8 := 1;#res := ~retValue_acc~8; {3248#true} is VALID [2020-07-10 13:56:56,807 INFO L280 TraceCheckUtils]: 14: Hoare triple {3248#true} assume true; {3248#true} is VALID [2020-07-10 13:56:56,807 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {3248#true} {3253#(= 1 ~waterLevel~0)} #402#return; {3253#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:56:56,808 INFO L280 TraceCheckUtils]: 16: Hoare triple {3253#(= 1 ~waterLevel~0)} assume -2147483648 <= #t~ret71 && #t~ret71 <= 2147483647;~tmp~6 := #t~ret71;havoc #t~ret71; {3253#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:56:56,808 INFO L280 TraceCheckUtils]: 17: Hoare triple {3253#(= 1 ~waterLevel~0)} assume 0 != ~tmp~6; {3253#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:56:56,809 INFO L263 TraceCheckUtils]: 18: Hoare triple {3253#(= 1 ~waterLevel~0)} call setup(); {3248#true} is VALID [2020-07-10 13:56:56,809 INFO L280 TraceCheckUtils]: 19: Hoare triple {3248#true} assume true; {3248#true} is VALID [2020-07-10 13:56:56,810 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {3248#true} {3253#(= 1 ~waterLevel~0)} #404#return; {3253#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:56:56,810 INFO L263 TraceCheckUtils]: 21: Hoare triple {3253#(= 1 ~waterLevel~0)} call runTest(); {3253#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:56:56,811 INFO L263 TraceCheckUtils]: 22: Hoare triple {3253#(= 1 ~waterLevel~0)} call test(); {3253#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:56:56,811 INFO L280 TraceCheckUtils]: 23: Hoare triple {3253#(= 1 ~waterLevel~0)} havoc ~splverifierCounter~0;havoc ~tmp~4;havoc ~tmp___0~1;havoc ~tmp___1~1;havoc ~tmp___2~0;~splverifierCounter~0 := 0; {3253#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:56:56,812 INFO L280 TraceCheckUtils]: 24: Hoare triple {3253#(= 1 ~waterLevel~0)} assume !false; {3253#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:56:56,812 INFO L280 TraceCheckUtils]: 25: Hoare triple {3253#(= 1 ~waterLevel~0)} assume ~splverifierCounter~0 < 4; {3253#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:56:56,813 INFO L280 TraceCheckUtils]: 26: Hoare triple {3253#(= 1 ~waterLevel~0)} assume -2147483648 <= #t~nondet48 && #t~nondet48 <= 2147483647;~tmp~4 := #t~nondet48;havoc #t~nondet48; {3253#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:56:56,813 INFO L280 TraceCheckUtils]: 27: Hoare triple {3253#(= 1 ~waterLevel~0)} assume !(0 != ~tmp~4); {3253#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:56:56,814 INFO L280 TraceCheckUtils]: 28: Hoare triple {3253#(= 1 ~waterLevel~0)} assume -2147483648 <= #t~nondet49 && #t~nondet49 <= 2147483647;~tmp___0~1 := #t~nondet49;havoc #t~nondet49; {3253#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:56:56,815 INFO L280 TraceCheckUtils]: 29: Hoare triple {3253#(= 1 ~waterLevel~0)} assume !(0 != ~tmp___0~1); {3253#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:56:56,815 INFO L280 TraceCheckUtils]: 30: Hoare triple {3253#(= 1 ~waterLevel~0)} assume -2147483648 <= #t~nondet50 && #t~nondet50 <= 2147483647;~tmp___2~0 := #t~nondet50;havoc #t~nondet50; {3253#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:56:56,816 INFO L280 TraceCheckUtils]: 31: Hoare triple {3253#(= 1 ~waterLevel~0)} assume !(0 != ~tmp___2~0);assume -2147483648 <= #t~nondet51 && #t~nondet51 <= 2147483647;~tmp___1~1 := #t~nondet51;havoc #t~nondet51; {3253#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:56:56,817 INFO L280 TraceCheckUtils]: 32: Hoare triple {3253#(= 1 ~waterLevel~0)} assume 0 != ~tmp___1~1; {3253#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:56:56,817 INFO L263 TraceCheckUtils]: 33: Hoare triple {3253#(= 1 ~waterLevel~0)} call stopSystem(); {3279#(and (= ~systemActive~0 |old(~systemActive~0)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|))} is VALID [2020-07-10 13:56:56,818 INFO L280 TraceCheckUtils]: 34: Hoare triple {3279#(and (= ~systemActive~0 |old(~systemActive~0)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|))} assume !(0 != ~pumpRunning~0); {3248#true} is VALID [2020-07-10 13:56:56,818 INFO L280 TraceCheckUtils]: 35: Hoare triple {3248#true} ~systemActive~0 := 0; {3248#true} is VALID [2020-07-10 13:56:56,818 INFO L280 TraceCheckUtils]: 36: Hoare triple {3248#true} assume true; {3248#true} is VALID [2020-07-10 13:56:56,819 INFO L275 TraceCheckUtils]: 37: Hoare quadruple {3248#true} {3253#(= 1 ~waterLevel~0)} #454#return; {3253#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:56:56,836 INFO L263 TraceCheckUtils]: 38: Hoare triple {3253#(= 1 ~waterLevel~0)} call timeShift(); {3253#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:56:56,836 INFO L280 TraceCheckUtils]: 39: Hoare triple {3253#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {3253#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:56:56,836 INFO L280 TraceCheckUtils]: 40: Hoare triple {3253#(= 1 ~waterLevel~0)} assume !(0 != ~systemActive~0); {3253#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:56:56,837 INFO L263 TraceCheckUtils]: 41: Hoare triple {3253#(= 1 ~waterLevel~0)} call __utac_acc__Specification3_spec__1(); {3253#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:56:56,837 INFO L280 TraceCheckUtils]: 42: Hoare triple {3253#(= 1 ~waterLevel~0)} havoc ~tmp~0;havoc ~tmp___0~0;havoc ~tmp___1~0; {3253#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:56:56,837 INFO L263 TraceCheckUtils]: 43: Hoare triple {3253#(= 1 ~waterLevel~0)} call #t~ret0 := isMethaneLevelCritical(); {3248#true} is VALID [2020-07-10 13:56:56,838 INFO L280 TraceCheckUtils]: 44: Hoare triple {3248#true} havoc ~retValue_acc~3;~retValue_acc~3 := ~methaneLevelCritical~0;#res := ~retValue_acc~3; {3248#true} is VALID [2020-07-10 13:56:56,838 INFO L280 TraceCheckUtils]: 45: Hoare triple {3248#true} assume true; {3248#true} is VALID [2020-07-10 13:56:56,838 INFO L275 TraceCheckUtils]: 46: Hoare quadruple {3248#true} {3253#(= 1 ~waterLevel~0)} #480#return; {3253#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:56:56,839 INFO L280 TraceCheckUtils]: 47: Hoare triple {3253#(= 1 ~waterLevel~0)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647;~tmp~0 := #t~ret0;havoc #t~ret0; {3253#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:56:56,839 INFO L280 TraceCheckUtils]: 48: Hoare triple {3253#(= 1 ~waterLevel~0)} assume !(0 != ~tmp~0); {3253#(= 1 ~waterLevel~0)} is VALID [2020-07-10 13:56:56,839 INFO L263 TraceCheckUtils]: 49: Hoare triple {3253#(= 1 ~waterLevel~0)} call #t~ret1 := getWaterLevel(); {3248#true} is VALID [2020-07-10 13:56:56,840 INFO L280 TraceCheckUtils]: 50: Hoare triple {3248#true} havoc ~retValue_acc~4;~retValue_acc~4 := ~waterLevel~0;#res := ~retValue_acc~4; {3280#(= |getWaterLevel_#res| ~waterLevel~0)} is VALID [2020-07-10 13:56:56,841 INFO L280 TraceCheckUtils]: 51: Hoare triple {3280#(= |getWaterLevel_#res| ~waterLevel~0)} assume true; {3280#(= |getWaterLevel_#res| ~waterLevel~0)} is VALID [2020-07-10 13:56:56,841 INFO L275 TraceCheckUtils]: 52: Hoare quadruple {3280#(= |getWaterLevel_#res| ~waterLevel~0)} {3253#(= 1 ~waterLevel~0)} #482#return; {3273#(= 1 |__utac_acc__Specification3_spec__1_#t~ret1|)} is VALID [2020-07-10 13:56:56,842 INFO L280 TraceCheckUtils]: 53: Hoare triple {3273#(= 1 |__utac_acc__Specification3_spec__1_#t~ret1|)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;~tmp___0~0 := #t~ret1;havoc #t~ret1; {3274#(= 1 __utac_acc__Specification3_spec__1_~tmp___0~0)} is VALID [2020-07-10 13:56:56,842 INFO L280 TraceCheckUtils]: 54: Hoare triple {3274#(= 1 __utac_acc__Specification3_spec__1_~tmp___0~0)} assume 2 == ~tmp___0~0; {3249#false} is VALID [2020-07-10 13:56:56,843 INFO L263 TraceCheckUtils]: 55: Hoare triple {3249#false} call #t~ret2 := isPumpRunning(); {3248#true} is VALID [2020-07-10 13:56:56,843 INFO L280 TraceCheckUtils]: 56: Hoare triple {3248#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~pumpRunning~0;#res := ~retValue_acc~6; {3248#true} is VALID [2020-07-10 13:56:56,843 INFO L280 TraceCheckUtils]: 57: Hoare triple {3248#true} assume true; {3248#true} is VALID [2020-07-10 13:56:56,844 INFO L275 TraceCheckUtils]: 58: Hoare quadruple {3248#true} {3249#false} #484#return; {3249#false} is VALID [2020-07-10 13:56:56,844 INFO L280 TraceCheckUtils]: 59: Hoare triple {3249#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647;~tmp___1~0 := #t~ret2;havoc #t~ret2; {3249#false} is VALID [2020-07-10 13:56:56,844 INFO L280 TraceCheckUtils]: 60: Hoare triple {3249#false} assume !(0 != ~tmp___1~0); {3249#false} is VALID [2020-07-10 13:56:56,845 INFO L263 TraceCheckUtils]: 61: Hoare triple {3249#false} call __automaton_fail(); {3249#false} is VALID [2020-07-10 13:56:56,845 INFO L280 TraceCheckUtils]: 62: Hoare triple {3249#false} assume !false; {3249#false} is VALID [2020-07-10 13:56:56,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-10 13:56:56,854 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603142338] [2020-07-10 13:56:56,854 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-10 13:56:56,854 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-10 13:56:56,855 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993434210] [2020-07-10 13:56:56,855 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 63 [2020-07-10 13:56:56,855 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 13:56:56,856 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2020-07-10 13:56:56,926 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 63 edges. 63 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 13:56:56,926 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-10 13:56:56,926 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-10 13:56:56,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-10 13:56:56,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-10 13:56:56,927 INFO L87 Difference]: Start difference. First operand 232 states and 281 transitions. Second operand 8 states. [2020-07-10 13:56:57,604 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-10 13:57:05,468 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-10 13:57:06,289 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-10 13:57:06,751 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-10 13:57:07,168 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-10 13:57:11,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 13:57:11,668 INFO L93 Difference]: Finished difference Result 711 states and 941 transitions. [2020-07-10 13:57:11,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-10 13:57:11,668 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 63 [2020-07-10 13:57:11,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 13:57:11,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-10 13:57:11,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 429 transitions. [2020-07-10 13:57:11,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-10 13:57:11,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 429 transitions. [2020-07-10 13:57:11,687 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states and 429 transitions. [2020-07-10 13:57:13,070 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 429 edges. 429 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 13:57:13,098 INFO L225 Difference]: With dead ends: 711 [2020-07-10 13:57:13,098 INFO L226 Difference]: Without dead ends: 503 [2020-07-10 13:57:13,101 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 [2020-07-10 13:57:13,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 503 states. [2020-07-10 13:57:17,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 503 to 437. [2020-07-10 13:57:17,846 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 13:57:17,847 INFO L82 GeneralOperation]: Start isEquivalent. First operand 503 states. Second operand 437 states. [2020-07-10 13:57:17,847 INFO L74 IsIncluded]: Start isIncluded. First operand 503 states. Second operand 437 states. [2020-07-10 13:57:17,847 INFO L87 Difference]: Start difference. First operand 503 states. Second operand 437 states. [2020-07-10 13:57:17,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 13:57:17,879 INFO L93 Difference]: Finished difference Result 503 states and 656 transitions. [2020-07-10 13:57:17,879 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 656 transitions. [2020-07-10 13:57:17,882 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 13:57:17,882 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 13:57:17,882 INFO L74 IsIncluded]: Start isIncluded. First operand 437 states. Second operand 503 states. [2020-07-10 13:57:17,882 INFO L87 Difference]: Start difference. First operand 437 states. Second operand 503 states. [2020-07-10 13:57:17,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 13:57:17,914 INFO L93 Difference]: Finished difference Result 503 states and 656 transitions. [2020-07-10 13:57:17,914 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 656 transitions. [2020-07-10 13:57:17,916 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 13:57:17,916 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 13:57:17,916 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 13:57:17,917 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 13:57:17,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 437 states. [2020-07-10 13:57:17,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 437 states and 543 transitions. [2020-07-10 13:57:17,939 INFO L78 Accepts]: Start accepts. Automaton has 437 states and 543 transitions. Word has length 63 [2020-07-10 13:57:17,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 13:57:17,939 INFO L479 AbstractCegarLoop]: Abstraction has 437 states and 543 transitions. [2020-07-10 13:57:17,940 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-10 13:57:17,940 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 543 transitions. [2020-07-10 13:57:17,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-07-10 13:57:17,942 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 13:57:17,942 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] [2020-07-10 13:57:17,943 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-10 13:57:17,943 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 13:57:17,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 13:57:17,944 INFO L82 PathProgramCache]: Analyzing trace with hash -1714463836, now seen corresponding path program 1 times [2020-07-10 13:57:17,944 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-10 13:57:17,944 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318219838] [2020-07-10 13:57:17,944 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 13:57:17,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-10 13:57:18,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-10 13:57:18,135 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-10 13:57:18,135 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-10 13:57:18,135 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-10 13:57:18,266 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_freeENTRY has no Hoare annotation [2020-07-10 13:57:18,267 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_resetENTRY has no Hoare annotation [2020-07-10 13:57:18,267 WARN L170 areAnnotationChecker]: select_helpersFINAL has no Hoare annotation [2020-07-10 13:57:18,267 WARN L170 areAnnotationChecker]: valid_productENTRY has no Hoare annotation [2020-07-10 13:57:18,267 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-10 13:57:18,267 WARN L170 areAnnotationChecker]: Specification2ENTRY has no Hoare annotation [2020-07-10 13:57:18,267 WARN L170 areAnnotationChecker]: Specification2ENTRY has no Hoare annotation [2020-07-10 13:57:18,267 WARN L170 areAnnotationChecker]: stopSystemENTRY has no Hoare annotation [2020-07-10 13:57:18,267 WARN L170 areAnnotationChecker]: stopSystemENTRY has no Hoare annotation [2020-07-10 13:57:18,268 WARN L170 areAnnotationChecker]: isPumpRunningENTRY has no Hoare annotation [2020-07-10 13:57:18,268 WARN L170 areAnnotationChecker]: printPumpENTRY has no Hoare annotation [2020-07-10 13:57:18,268 WARN L170 areAnnotationChecker]: select_featuresFINAL has no Hoare annotation [2020-07-10 13:57:18,268 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_setENTRY has no Hoare annotation [2020-07-10 13:57:18,268 WARN L170 areAnnotationChecker]: __utac__get_this_argtypeENTRY has no Hoare annotation [2020-07-10 13:57:18,268 WARN L170 areAnnotationChecker]: runTestENTRY has no Hoare annotation [2020-07-10 13:57:18,268 WARN L170 areAnnotationChecker]: runTestENTRY has no Hoare annotation [2020-07-10 13:57:18,268 WARN L170 areAnnotationChecker]: isMethaneAlarmENTRY has no Hoare annotation [2020-07-10 13:57:18,268 WARN L170 areAnnotationChecker]: deactivatePumpENTRY has no Hoare annotation [2020-07-10 13:57:18,269 WARN L170 areAnnotationChecker]: processEnvironmentENTRY has no Hoare annotation [2020-07-10 13:57:18,269 WARN L170 areAnnotationChecker]: processEnvironment__wrappee__baseFINAL has no Hoare annotation [2020-07-10 13:57:18,269 WARN L170 areAnnotationChecker]: testENTRY has no Hoare annotation [2020-07-10 13:57:18,269 WARN L170 areAnnotationChecker]: __utac__get_this_argENTRY has no Hoare annotation [2020-07-10 13:57:18,269 WARN L170 areAnnotationChecker]: ULTIMATE.initENTRY has no Hoare annotation [2020-07-10 13:57:18,269 WARN L170 areAnnotationChecker]: __utac__error_stack_mgtENTRY has no Hoare annotation [2020-07-10 13:57:18,269 WARN L170 areAnnotationChecker]: printEnvironmentENTRY has no Hoare annotation [2020-07-10 13:57:18,269 WARN L170 areAnnotationChecker]: select_oneENTRY has no Hoare annotation [2020-07-10 13:57:18,269 WARN L170 areAnnotationChecker]: activatePumpENTRY has no Hoare annotation [2020-07-10 13:57:18,269 WARN L170 areAnnotationChecker]: ##fun~int~X~int~TO~intENTRY has no Hoare annotation [2020-07-10 13:57:18,270 WARN L170 areAnnotationChecker]: changeMethaneLevelENTRY has no Hoare annotation [2020-07-10 13:57:18,270 WARN L170 areAnnotationChecker]: changeMethaneLevelENTRY has no Hoare annotation [2020-07-10 13:57:18,270 WARN L170 areAnnotationChecker]: getWaterLevelENTRY has no Hoare annotation [2020-07-10 13:57:18,270 WARN L170 areAnnotationChecker]: __utac_acc__Specification3_spec__1ENTRY has no Hoare annotation [2020-07-10 13:57:18,270 WARN L170 areAnnotationChecker]: isMethaneLevelCriticalENTRY has no Hoare annotation [2020-07-10 13:57:18,270 WARN L170 areAnnotationChecker]: timeShiftENTRY has no Hoare annotation [2020-07-10 13:57:18,270 WARN L170 areAnnotationChecker]: timeShiftENTRY has no Hoare annotation [2020-07-10 13:57:18,270 WARN L170 areAnnotationChecker]: cleanupENTRY has no Hoare annotation [2020-07-10 13:57:18,270 WARN L170 areAnnotationChecker]: lowerWaterLevelENTRY has no Hoare annotation [2020-07-10 13:57:18,271 WARN L170 areAnnotationChecker]: lowerWaterLevelENTRY has no Hoare annotation [2020-07-10 13:57:18,271 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-10 13:57:18,271 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-10 13:57:18,271 WARN L170 areAnnotationChecker]: setupFINAL has no Hoare annotation [2020-07-10 13:57:18,271 WARN L170 areAnnotationChecker]: startSystemENTRY has no Hoare annotation [2020-07-10 13:57:18,271 WARN L170 areAnnotationChecker]: waterRiseENTRY has no Hoare annotation [2020-07-10 13:57:18,271 WARN L170 areAnnotationChecker]: waterRiseENTRY has no Hoare annotation [2020-07-10 13:57:18,271 WARN L170 areAnnotationChecker]: __automaton_failENTRY has no Hoare annotation [2020-07-10 13:57:18,272 WARN L170 areAnnotationChecker]: __automaton_failENTRY has no Hoare annotation [2020-07-10 13:57:18,272 WARN L170 areAnnotationChecker]: L155-2 has no Hoare annotation [2020-07-10 13:57:18,272 WARN L170 areAnnotationChecker]: L155-2 has no Hoare annotation [2020-07-10 13:57:18,272 WARN L170 areAnnotationChecker]: L155-2 has no Hoare annotation [2020-07-10 13:57:18,272 WARN L170 areAnnotationChecker]: L212-2 has no Hoare annotation [2020-07-10 13:57:18,272 WARN L170 areAnnotationChecker]: L212-2 has no Hoare annotation [2020-07-10 13:57:18,272 WARN L170 areAnnotationChecker]: L212-2 has no Hoare annotation [2020-07-10 13:57:18,272 WARN L170 areAnnotationChecker]: select_helpersEXIT has no Hoare annotation [2020-07-10 13:57:18,272 WARN L170 areAnnotationChecker]: valid_productFINAL has no Hoare annotation [2020-07-10 13:57:18,273 WARN L170 areAnnotationChecker]: L885 has no Hoare annotation [2020-07-10 13:57:18,273 WARN L170 areAnnotationChecker]: L885 has no Hoare annotation [2020-07-10 13:57:18,273 WARN L170 areAnnotationChecker]: L843 has no Hoare annotation [2020-07-10 13:57:18,273 WARN L170 areAnnotationChecker]: L843 has no Hoare annotation [2020-07-10 13:57:18,273 WARN L170 areAnnotationChecker]: L751 has no Hoare annotation [2020-07-10 13:57:18,273 WARN L170 areAnnotationChecker]: L751 has no Hoare annotation [2020-07-10 13:57:18,273 WARN L170 areAnnotationChecker]: L749 has no Hoare annotation [2020-07-10 13:57:18,273 WARN L170 areAnnotationChecker]: isPumpRunningFINAL has no Hoare annotation [2020-07-10 13:57:18,273 WARN L170 areAnnotationChecker]: L716 has no Hoare annotation [2020-07-10 13:57:18,273 WARN L170 areAnnotationChecker]: L716 has no Hoare annotation [2020-07-10 13:57:18,274 WARN L170 areAnnotationChecker]: select_featuresEXIT has no Hoare annotation [2020-07-10 13:57:18,274 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_setFINAL has no Hoare annotation [2020-07-10 13:57:18,274 WARN L170 areAnnotationChecker]: L411 has no Hoare annotation [2020-07-10 13:57:18,274 WARN L170 areAnnotationChecker]: L411 has no Hoare annotation [2020-07-10 13:57:18,274 WARN L170 areAnnotationChecker]: runTestFINAL has no Hoare annotation [2020-07-10 13:57:18,274 WARN L170 areAnnotationChecker]: L694 has no Hoare annotation [2020-07-10 13:57:18,274 WARN L170 areAnnotationChecker]: L694 has no Hoare annotation [2020-07-10 13:57:18,274 WARN L170 areAnnotationChecker]: deactivatePumpFINAL has no Hoare annotation [2020-07-10 13:57:18,275 WARN L170 areAnnotationChecker]: L652 has no Hoare annotation [2020-07-10 13:57:18,275 WARN L170 areAnnotationChecker]: L652 has no Hoare annotation [2020-07-10 13:57:18,275 WARN L170 areAnnotationChecker]: processEnvironment__wrappee__baseEXIT has no Hoare annotation [2020-07-10 13:57:18,275 WARN L170 areAnnotationChecker]: processEnvironment__wrappee__baseEXIT has no Hoare annotation [2020-07-10 13:57:18,275 WARN L170 areAnnotationChecker]: L598 has no Hoare annotation [2020-07-10 13:57:18,275 WARN L170 areAnnotationChecker]: L598 has no Hoare annotation [2020-07-10 13:57:18,275 WARN L170 areAnnotationChecker]: L598 has no Hoare annotation [2020-07-10 13:57:18,275 WARN L170 areAnnotationChecker]: L365 has no Hoare annotation [2020-07-10 13:57:18,275 WARN L170 areAnnotationChecker]: L365 has no Hoare annotation [2020-07-10 13:57:18,275 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-10 13:57:18,276 WARN L170 areAnnotationChecker]: L272 has no Hoare annotation [2020-07-10 13:57:18,276 WARN L170 areAnnotationChecker]: L272 has no Hoare annotation [2020-07-10 13:57:18,276 WARN L170 areAnnotationChecker]: L503 has no Hoare annotation [2020-07-10 13:57:18,276 WARN L170 areAnnotationChecker]: L503 has no Hoare annotation [2020-07-10 13:57:18,276 WARN L170 areAnnotationChecker]: select_oneFINAL has no Hoare annotation [2020-07-10 13:57:18,276 WARN L170 areAnnotationChecker]: activatePumpFINAL has no Hoare annotation [2020-07-10 13:57:18,276 WARN L170 areAnnotationChecker]: ##fun~int~X~int~TO~intFINAL has no Hoare annotation [2020-07-10 13:57:18,276 WARN L170 areAnnotationChecker]: L478-1 has no Hoare annotation [2020-07-10 13:57:18,276 WARN L170 areAnnotationChecker]: getWaterLevelFINAL has no Hoare annotation [2020-07-10 13:57:18,276 WARN L170 areAnnotationChecker]: L51 has no Hoare annotation [2020-07-10 13:57:18,277 WARN L170 areAnnotationChecker]: L51 has no Hoare annotation [2020-07-10 13:57:18,277 WARN L170 areAnnotationChecker]: isMethaneLevelCriticalFINAL has no Hoare annotation [2020-07-10 13:57:18,277 WARN L170 areAnnotationChecker]: L622 has no Hoare annotation [2020-07-10 13:57:18,277 WARN L170 areAnnotationChecker]: L622 has no Hoare annotation [2020-07-10 13:57:18,277 WARN L170 areAnnotationChecker]: L620 has no Hoare annotation [2020-07-10 13:57:18,277 WARN L170 areAnnotationChecker]: L620 has no Hoare annotation [2020-07-10 13:57:18,277 WARN L170 areAnnotationChecker]: L814 has no Hoare annotation [2020-07-10 13:57:18,277 WARN L170 areAnnotationChecker]: L814 has no Hoare annotation [2020-07-10 13:57:18,277 WARN L170 areAnnotationChecker]: L454-1 has no Hoare annotation [2020-07-10 13:57:18,277 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-10 13:57:18,278 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-10 13:57:18,278 WARN L170 areAnnotationChecker]: setupEXIT has no Hoare annotation [2020-07-10 13:57:18,278 WARN L170 areAnnotationChecker]: startSystemFINAL has no Hoare annotation [2020-07-10 13:57:18,278 WARN L170 areAnnotationChecker]: L466-1 has no Hoare annotation [2020-07-10 13:57:18,278 WARN L170 areAnnotationChecker]: __automaton_failFINAL has no Hoare annotation [2020-07-10 13:57:18,278 WARN L170 areAnnotationChecker]: L177 has no Hoare annotation [2020-07-10 13:57:18,278 WARN L170 areAnnotationChecker]: L156 has no Hoare annotation [2020-07-10 13:57:18,278 WARN L170 areAnnotationChecker]: L238 has no Hoare annotation [2020-07-10 13:57:18,278 WARN L170 areAnnotationChecker]: L238 has no Hoare annotation [2020-07-10 13:57:18,278 WARN L170 areAnnotationChecker]: L213 has no Hoare annotation [2020-07-10 13:57:18,278 WARN L170 areAnnotationChecker]: L885-1 has no Hoare annotation [2020-07-10 13:57:18,279 WARN L170 areAnnotationChecker]: L885-1 has no Hoare annotation [2020-07-10 13:57:18,279 WARN L170 areAnnotationChecker]: valid_productEXIT has no Hoare annotation [2020-07-10 13:57:18,279 WARN L170 areAnnotationChecker]: L844 has no Hoare annotation [2020-07-10 13:57:18,279 WARN L170 areAnnotationChecker]: L844 has no Hoare annotation [2020-07-10 13:57:18,279 WARN L170 areAnnotationChecker]: stopSystemFINAL has no Hoare annotation [2020-07-10 13:57:18,279 WARN L170 areAnnotationChecker]: isPumpRunningEXIT has no Hoare annotation [2020-07-10 13:57:18,279 WARN L170 areAnnotationChecker]: L716-2 has no Hoare annotation [2020-07-10 13:57:18,279 WARN L170 areAnnotationChecker]: L886 has no Hoare annotation [2020-07-10 13:57:18,279 WARN L170 areAnnotationChecker]: L886 has no Hoare annotation [2020-07-10 13:57:18,279 WARN L170 areAnnotationChecker]: L417 has no Hoare annotation [2020-07-10 13:57:18,280 WARN L170 areAnnotationChecker]: L417 has no Hoare annotation [2020-07-10 13:57:18,280 WARN L170 areAnnotationChecker]: L411-1 has no Hoare annotation [2020-07-10 13:57:18,280 WARN L170 areAnnotationChecker]: runTestEXIT has no Hoare annotation [2020-07-10 13:57:18,280 WARN L170 areAnnotationChecker]: L694-1 has no Hoare annotation [2020-07-10 13:57:18,280 WARN L170 areAnnotationChecker]: deactivatePumpEXIT has no Hoare annotation [2020-07-10 13:57:18,280 WARN L170 areAnnotationChecker]: deactivatePumpEXIT has no Hoare annotation [2020-07-10 13:57:18,280 WARN L170 areAnnotationChecker]: L654 has no Hoare annotation [2020-07-10 13:57:18,280 WARN L170 areAnnotationChecker]: L654 has no Hoare annotation [2020-07-10 13:57:18,280 WARN L170 areAnnotationChecker]: L667 has no Hoare annotation [2020-07-10 13:57:18,281 WARN L170 areAnnotationChecker]: L667 has no Hoare annotation [2020-07-10 13:57:18,281 WARN L170 areAnnotationChecker]: L667-1 has no Hoare annotation [2020-07-10 13:57:18,281 WARN L170 areAnnotationChecker]: L601 has no Hoare annotation [2020-07-10 13:57:18,281 WARN L170 areAnnotationChecker]: L601 has no Hoare annotation [2020-07-10 13:57:18,281 WARN L170 areAnnotationChecker]: L552 has no Hoare annotation [2020-07-10 13:57:18,281 WARN L170 areAnnotationChecker]: L552 has no Hoare annotation [2020-07-10 13:57:18,281 WARN L170 areAnnotationChecker]: L371 has no Hoare annotation [2020-07-10 13:57:18,281 WARN L170 areAnnotationChecker]: L371 has no Hoare annotation [2020-07-10 13:57:18,281 WARN L170 areAnnotationChecker]: L365-1 has no Hoare annotation [2020-07-10 13:57:18,281 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-10 13:57:18,282 WARN L170 areAnnotationChecker]: __utac__error_stack_mgtFINAL has no Hoare annotation [2020-07-10 13:57:18,282 WARN L170 areAnnotationChecker]: L277 has no Hoare annotation [2020-07-10 13:57:18,282 WARN L170 areAnnotationChecker]: L277 has no Hoare annotation [2020-07-10 13:57:18,282 WARN L170 areAnnotationChecker]: L503-2 has no Hoare annotation [2020-07-10 13:57:18,282 WARN L170 areAnnotationChecker]: ##fun~int~X~int~TO~intEXIT has no Hoare annotation [2020-07-10 13:57:18,282 WARN L170 areAnnotationChecker]: changeMethaneLevelEXIT has no Hoare annotation [2020-07-10 13:57:18,282 WARN L170 areAnnotationChecker]: changeMethaneLevelEXIT has no Hoare annotation [2020-07-10 13:57:18,282 WARN L170 areAnnotationChecker]: getWaterLevelEXIT has no Hoare annotation [2020-07-10 13:57:18,282 WARN L170 areAnnotationChecker]: L51-1 has no Hoare annotation [2020-07-10 13:57:18,282 WARN L170 areAnnotationChecker]: isMethaneLevelCriticalEXIT has no Hoare annotation [2020-07-10 13:57:18,283 WARN L170 areAnnotationChecker]: isMethaneLevelCriticalEXIT has no Hoare annotation [2020-07-10 13:57:18,283 WARN L170 areAnnotationChecker]: L629 has no Hoare annotation [2020-07-10 13:57:18,283 WARN L170 areAnnotationChecker]: L629 has no Hoare annotation [2020-07-10 13:57:18,283 WARN L170 areAnnotationChecker]: L627 has no Hoare annotation [2020-07-10 13:57:18,283 WARN L170 areAnnotationChecker]: L627 has no Hoare annotation [2020-07-10 13:57:18,283 WARN L170 areAnnotationChecker]: L814-1 has no Hoare annotation [2020-07-10 13:57:18,283 WARN L170 areAnnotationChecker]: lowerWaterLevelEXIT has no Hoare annotation [2020-07-10 13:57:18,283 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-10 13:57:18,283 WARN L170 areAnnotationChecker]: L891-1 has no Hoare annotation [2020-07-10 13:57:18,283 WARN L170 areAnnotationChecker]: L891-1 has no Hoare annotation [2020-07-10 13:57:18,284 WARN L170 areAnnotationChecker]: startSystemEXIT has no Hoare annotation [2020-07-10 13:57:18,284 WARN L170 areAnnotationChecker]: waterRiseEXIT has no Hoare annotation [2020-07-10 13:57:18,284 WARN L170 areAnnotationChecker]: waterRiseEXIT has no Hoare annotation [2020-07-10 13:57:18,284 WARN L170 areAnnotationChecker]: __automaton_failEXIT has no Hoare annotation [2020-07-10 13:57:18,284 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_freeFINAL has no Hoare annotation [2020-07-10 13:57:18,284 WARN L170 areAnnotationChecker]: L161 has no Hoare annotation [2020-07-10 13:57:18,284 WARN L170 areAnnotationChecker]: L161 has no Hoare annotation [2020-07-10 13:57:18,284 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_resetFINAL has no Hoare annotation [2020-07-10 13:57:18,284 WARN L170 areAnnotationChecker]: L218 has no Hoare annotation [2020-07-10 13:57:18,284 WARN L170 areAnnotationChecker]: L218 has no Hoare annotation [2020-07-10 13:57:18,285 WARN L170 areAnnotationChecker]: L887 has no Hoare annotation [2020-07-10 13:57:18,285 WARN L170 areAnnotationChecker]: L845 has no Hoare annotation [2020-07-10 13:57:18,285 WARN L170 areAnnotationChecker]: L845 has no Hoare annotation [2020-07-10 13:57:18,285 WARN L170 areAnnotationChecker]: stopSystemEXIT has no Hoare annotation [2020-07-10 13:57:18,285 WARN L170 areAnnotationChecker]: L61-1 has no Hoare annotation [2020-07-10 13:57:18,285 WARN L170 areAnnotationChecker]: L728 has no Hoare annotation [2020-07-10 13:57:18,285 WARN L170 areAnnotationChecker]: L728 has no Hoare annotation [2020-07-10 13:57:18,285 WARN L170 areAnnotationChecker]: __utac__get_this_argtypeFINAL has no Hoare annotation [2020-07-10 13:57:18,285 WARN L170 areAnnotationChecker]: L889-1 has no Hoare annotation [2020-07-10 13:57:18,285 WARN L170 areAnnotationChecker]: isMethaneAlarmFINAL has no Hoare annotation [2020-07-10 13:57:18,286 WARN L170 areAnnotationChecker]: L654-1 has no Hoare annotation [2020-07-10 13:57:18,286 WARN L170 areAnnotationChecker]: processEnvironmentEXIT has no Hoare annotation [2020-07-10 13:57:18,286 WARN L170 areAnnotationChecker]: testFINAL has no Hoare annotation [2020-07-10 13:57:18,286 WARN L170 areAnnotationChecker]: L553 has no Hoare annotation [2020-07-10 13:57:18,286 WARN L170 areAnnotationChecker]: __utac__get_this_argFINAL has no Hoare annotation [2020-07-10 13:57:18,286 WARN L170 areAnnotationChecker]: L294 has no Hoare annotation [2020-07-10 13:57:18,286 WARN L170 areAnnotationChecker]: L294 has no Hoare annotation [2020-07-10 13:57:18,286 WARN L170 areAnnotationChecker]: printEnvironmentFINAL has no Hoare annotation [2020-07-10 13:57:18,286 WARN L170 areAnnotationChecker]: L231-1 has no Hoare annotation [2020-07-10 13:57:18,286 WARN L170 areAnnotationChecker]: L853 has no Hoare annotation [2020-07-10 13:57:18,286 WARN L170 areAnnotationChecker]: L853 has no Hoare annotation [2020-07-10 13:57:18,287 WARN L170 areAnnotationChecker]: L571-1 has no Hoare annotation [2020-07-10 13:57:18,287 WARN L170 areAnnotationChecker]: L57-1 has no Hoare annotation [2020-07-10 13:57:18,287 WARN L170 areAnnotationChecker]: L53 has no Hoare annotation [2020-07-10 13:57:18,287 WARN L170 areAnnotationChecker]: L53 has no Hoare annotation [2020-07-10 13:57:18,287 WARN L170 areAnnotationChecker]: timeShiftFINAL has no Hoare annotation [2020-07-10 13:57:18,287 WARN L170 areAnnotationChecker]: L818-2 has no Hoare annotation [2020-07-10 13:57:18,287 WARN L170 areAnnotationChecker]: L818-2 has no Hoare annotation [2020-07-10 13:57:18,287 WARN L170 areAnnotationChecker]: L818-2 has no Hoare annotation [2020-07-10 13:57:18,287 WARN L170 areAnnotationChecker]: L589-1 has no Hoare annotation [2020-07-10 13:57:18,287 WARN L170 areAnnotationChecker]: L589-1 has no Hoare annotation [2020-07-10 13:57:18,288 WARN L170 areAnnotationChecker]: L849 has no Hoare annotation [2020-07-10 13:57:18,288 WARN L170 areAnnotationChecker]: L849 has no Hoare annotation [2020-07-10 13:57:18,288 WARN L170 areAnnotationChecker]: L561-1 has no Hoare annotation [2020-07-10 13:57:18,288 WARN L170 areAnnotationChecker]: L59-1 has no Hoare annotation [2020-07-10 13:57:18,288 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_freeEXIT has no Hoare annotation [2020-07-10 13:57:18,288 WARN L170 areAnnotationChecker]: L161-1 has no Hoare annotation [2020-07-10 13:57:18,288 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_resetEXIT has no Hoare annotation [2020-07-10 13:57:18,288 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_resetEXIT has no Hoare annotation [2020-07-10 13:57:18,288 WARN L170 areAnnotationChecker]: L218-1 has no Hoare annotation [2020-07-10 13:57:18,289 WARN L170 areAnnotationChecker]: L889 has no Hoare annotation [2020-07-10 13:57:18,289 WARN L170 areAnnotationChecker]: L889 has no Hoare annotation [2020-07-10 13:57:18,289 WARN L170 areAnnotationChecker]: L846 has no Hoare annotation [2020-07-10 13:57:18,289 WARN L170 areAnnotationChecker]: L846 has no Hoare annotation [2020-07-10 13:57:18,289 WARN L170 areAnnotationChecker]: L63 has no Hoare annotation [2020-07-10 13:57:18,289 WARN L170 areAnnotationChecker]: L63 has no Hoare annotation [2020-07-10 13:57:18,289 WARN L170 areAnnotationChecker]: L728-2 has no Hoare annotation [2020-07-10 13:57:18,289 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-10 13:57:18,289 WARN L170 areAnnotationChecker]: isMethaneAlarmEXIT has no Hoare annotation [2020-07-10 13:57:18,289 WARN L170 areAnnotationChecker]: L656 has no Hoare annotation [2020-07-10 13:57:18,290 WARN L170 areAnnotationChecker]: L656 has no Hoare annotation [2020-07-10 13:57:18,290 WARN L170 areAnnotationChecker]: testEXIT has no Hoare annotation [2020-07-10 13:57:18,290 WARN L170 areAnnotationChecker]: L561 has no Hoare annotation [2020-07-10 13:57:18,290 WARN L170 areAnnotationChecker]: L561 has no Hoare annotation [2020-07-10 13:57:18,290 WARN L170 areAnnotationChecker]: L297-2 has no Hoare annotation [2020-07-10 13:57:18,290 WARN L170 areAnnotationChecker]: L297-2 has no Hoare annotation [2020-07-10 13:57:18,290 WARN L170 areAnnotationChecker]: L297-2 has no Hoare annotation [2020-07-10 13:57:18,290 WARN L170 areAnnotationChecker]: L336 has no Hoare annotation [2020-07-10 13:57:18,290 WARN L170 areAnnotationChecker]: L336 has no Hoare annotation [2020-07-10 13:57:18,290 WARN L170 areAnnotationChecker]: printEnvironmentEXIT has no Hoare annotation [2020-07-10 13:57:18,291 WARN L170 areAnnotationChecker]: L854 has no Hoare annotation [2020-07-10 13:57:18,291 WARN L170 areAnnotationChecker]: L854 has no Hoare annotation [2020-07-10 13:57:18,291 WARN L170 areAnnotationChecker]: L581 has no Hoare annotation [2020-07-10 13:57:18,291 WARN L170 areAnnotationChecker]: L581 has no Hoare annotation [2020-07-10 13:57:18,291 WARN L170 areAnnotationChecker]: L59 has no Hoare annotation [2020-07-10 13:57:18,291 WARN L170 areAnnotationChecker]: L59 has no Hoare annotation [2020-07-10 13:57:18,291 WARN L170 areAnnotationChecker]: L57 has no Hoare annotation [2020-07-10 13:57:18,291 WARN L170 areAnnotationChecker]: L57 has no Hoare annotation [2020-07-10 13:57:18,291 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-10 13:57:18,291 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-10 13:57:18,292 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-10 13:57:18,292 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-10 13:57:18,292 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-10 13:57:18,292 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-10 13:57:18,292 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-10 13:57:18,292 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-10 13:57:18,292 WARN L170 areAnnotationChecker]: L833 has no Hoare annotation [2020-07-10 13:57:18,292 WARN L170 areAnnotationChecker]: L819 has no Hoare annotation [2020-07-10 13:57:18,292 WARN L170 areAnnotationChecker]: L850 has no Hoare annotation [2020-07-10 13:57:18,293 WARN L170 areAnnotationChecker]: L850 has no Hoare annotation [2020-07-10 13:57:18,293 WARN L170 areAnnotationChecker]: L571 has no Hoare annotation [2020-07-10 13:57:18,293 WARN L170 areAnnotationChecker]: L571 has no Hoare annotation [2020-07-10 13:57:18,293 WARN L170 areAnnotationChecker]: __utac_acc__Specification3_spec__1EXIT has no Hoare annotation [2020-07-10 13:57:18,293 WARN L170 areAnnotationChecker]: L313-1 has no Hoare annotation [2020-07-10 13:57:18,293 WARN L170 areAnnotationChecker]: L329-1 has no Hoare annotation [2020-07-10 13:57:18,293 WARN L170 areAnnotationChecker]: L231 has no Hoare annotation [2020-07-10 13:57:18,293 WARN L170 areAnnotationChecker]: L231 has no Hoare annotation [2020-07-10 13:57:18,293 WARN L170 areAnnotationChecker]: L891 has no Hoare annotation [2020-07-10 13:57:18,294 WARN L170 areAnnotationChecker]: L891 has no Hoare annotation [2020-07-10 13:57:18,294 WARN L170 areAnnotationChecker]: L847 has no Hoare annotation [2020-07-10 13:57:18,294 WARN L170 areAnnotationChecker]: L847 has no Hoare annotation [2020-07-10 13:57:18,294 WARN L170 areAnnotationChecker]: L67 has no Hoare annotation [2020-07-10 13:57:18,294 WARN L170 areAnnotationChecker]: L67 has no Hoare annotation [2020-07-10 13:57:18,294 WARN L170 areAnnotationChecker]: L739 has no Hoare annotation [2020-07-10 13:57:18,294 WARN L170 areAnnotationChecker]: L739 has no Hoare annotation [2020-07-10 13:57:18,294 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-10 13:57:18,294 WARN L170 areAnnotationChecker]: L658 has no Hoare annotation [2020-07-10 13:57:18,295 WARN L170 areAnnotationChecker]: L658 has no Hoare annotation [2020-07-10 13:57:18,295 WARN L170 areAnnotationChecker]: L662 has no Hoare annotation [2020-07-10 13:57:18,295 WARN L170 areAnnotationChecker]: L662 has no Hoare annotation [2020-07-10 13:57:18,295 WARN L170 areAnnotationChecker]: L563 has no Hoare annotation [2020-07-10 13:57:18,295 WARN L170 areAnnotationChecker]: L563 has no Hoare annotation [2020-07-10 13:57:18,295 WARN L170 areAnnotationChecker]: L318 has no Hoare annotation [2020-07-10 13:57:18,295 WARN L170 areAnnotationChecker]: L298 has no Hoare annotation [2020-07-10 13:57:18,295 WARN L170 areAnnotationChecker]: L298 has no Hoare annotation [2020-07-10 13:57:18,295 WARN L170 areAnnotationChecker]: L337 has no Hoare annotation [2020-07-10 13:57:18,296 WARN L170 areAnnotationChecker]: L337 has no Hoare annotation [2020-07-10 13:57:18,296 WARN L170 areAnnotationChecker]: L739-1 has no Hoare annotation [2020-07-10 13:57:18,296 WARN L170 areAnnotationChecker]: L855 has no Hoare annotation [2020-07-10 13:57:18,296 WARN L170 areAnnotationChecker]: L855 has no Hoare annotation [2020-07-10 13:57:18,296 WARN L170 areAnnotationChecker]: L583 has no Hoare annotation [2020-07-10 13:57:18,296 WARN L170 areAnnotationChecker]: L583 has no Hoare annotation [2020-07-10 13:57:18,296 WARN L170 areAnnotationChecker]: L589 has no Hoare annotation [2020-07-10 13:57:18,296 WARN L170 areAnnotationChecker]: L589 has no Hoare annotation [2020-07-10 13:57:18,296 WARN L170 areAnnotationChecker]: L61 has no Hoare annotation [2020-07-10 13:57:18,296 WARN L170 areAnnotationChecker]: L61 has no Hoare annotation [2020-07-10 13:57:18,296 WARN L170 areAnnotationChecker]: L851 has no Hoare annotation [2020-07-10 13:57:18,297 WARN L170 areAnnotationChecker]: L851 has no Hoare annotation [2020-07-10 13:57:18,297 WARN L170 areAnnotationChecker]: L829 has no Hoare annotation [2020-07-10 13:57:18,297 WARN L170 areAnnotationChecker]: cleanupEXIT has no Hoare annotation [2020-07-10 13:57:18,297 WARN L170 areAnnotationChecker]: cleanupEXIT has no Hoare annotation [2020-07-10 13:57:18,297 WARN L170 areAnnotationChecker]: L822 has no Hoare annotation [2020-07-10 13:57:18,297 WARN L170 areAnnotationChecker]: L822 has no Hoare annotation [2020-07-10 13:57:18,297 WARN L170 areAnnotationChecker]: L573 has no Hoare annotation [2020-07-10 13:57:18,297 WARN L170 areAnnotationChecker]: L573 has no Hoare annotation [2020-07-10 13:57:18,297 WARN L170 areAnnotationChecker]: L848 has no Hoare annotation [2020-07-10 13:57:18,297 WARN L170 areAnnotationChecker]: L848 has no Hoare annotation [2020-07-10 13:57:18,298 WARN L170 areAnnotationChecker]: L329 has no Hoare annotation [2020-07-10 13:57:18,298 WARN L170 areAnnotationChecker]: L329 has no Hoare annotation [2020-07-10 13:57:18,298 WARN L170 areAnnotationChecker]: L299 has no Hoare annotation [2020-07-10 13:57:18,298 WARN L170 areAnnotationChecker]: printPumpFINAL has no Hoare annotation [2020-07-10 13:57:18,298 WARN L170 areAnnotationChecker]: L856 has no Hoare annotation [2020-07-10 13:57:18,298 WARN L170 areAnnotationChecker]: L856 has no Hoare annotation [2020-07-10 13:57:18,298 WARN L170 areAnnotationChecker]: L591 has no Hoare annotation [2020-07-10 13:57:18,298 WARN L170 areAnnotationChecker]: L591 has no Hoare annotation [2020-07-10 13:57:18,298 WARN L170 areAnnotationChecker]: L852 has no Hoare annotation [2020-07-10 13:57:18,298 WARN L170 areAnnotationChecker]: L852 has no Hoare annotation [2020-07-10 13:57:18,298 WARN L170 areAnnotationChecker]: Specification2FINAL has no Hoare annotation [2020-07-10 13:57:18,299 WARN L170 areAnnotationChecker]: L822-1 has no Hoare annotation [2020-07-10 13:57:18,299 WARN L170 areAnnotationChecker]: L822-1 has no Hoare annotation [2020-07-10 13:57:18,299 WARN L170 areAnnotationChecker]: L313 has no Hoare annotation [2020-07-10 13:57:18,299 WARN L170 areAnnotationChecker]: L313 has no Hoare annotation [2020-07-10 13:57:18,299 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-10 13:57:18,299 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-10 13:57:18,299 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-10 13:57:18,299 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-10 13:57:18,299 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-10 13:57:18,299 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-10 13:57:18,300 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-10 13:57:18,300 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-10 13:57:18,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.07 01:57:18 BoogieIcfgContainer [2020-07-10 13:57:18,303 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-10 13:57:18,305 INFO L168 Benchmark]: Toolchain (without parser) took 60464.46 ms. Allocated memory was 144.2 MB in the beginning and 740.8 MB in the end (delta: 596.6 MB). Free memory was 101.5 MB in the beginning and 557.8 MB in the end (delta: -456.3 MB). Peak memory consumption was 140.3 MB. Max. memory is 7.1 GB. [2020-07-10 13:57:18,306 INFO L168 Benchmark]: CDTParser took 1.43 ms. Allocated memory is still 144.2 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-10 13:57:18,307 INFO L168 Benchmark]: CACSL2BoogieTranslator took 701.03 ms. Allocated memory was 144.2 MB in the beginning and 201.9 MB in the end (delta: 57.7 MB). Free memory was 101.3 MB in the beginning and 170.3 MB in the end (delta: -69.0 MB). Peak memory consumption was 27.1 MB. Max. memory is 7.1 GB. [2020-07-10 13:57:18,308 INFO L168 Benchmark]: Boogie Preprocessor took 132.05 ms. Allocated memory is still 201.9 MB. Free memory was 170.3 MB in the beginning and 164.6 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 7.1 GB. [2020-07-10 13:57:18,308 INFO L168 Benchmark]: RCFGBuilder took 1688.06 ms. Allocated memory was 201.9 MB in the beginning and 232.8 MB in the end (delta: 30.9 MB). Free memory was 164.6 MB in the beginning and 98.3 MB in the end (delta: 66.3 MB). Peak memory consumption was 97.3 MB. Max. memory is 7.1 GB. [2020-07-10 13:57:18,309 INFO L168 Benchmark]: TraceAbstraction took 57937.46 ms. Allocated memory was 232.8 MB in the beginning and 740.8 MB in the end (delta: 508.0 MB). Free memory was 96.8 MB in the beginning and 557.8 MB in the end (delta: -460.9 MB). Peak memory consumption was 47.1 MB. Max. memory is 7.1 GB. [2020-07-10 13:57:18,312 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 1.43 ms. Allocated memory is still 144.2 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 701.03 ms. Allocated memory was 144.2 MB in the beginning and 201.9 MB in the end (delta: 57.7 MB). Free memory was 101.3 MB in the beginning and 170.3 MB in the end (delta: -69.0 MB). Peak memory consumption was 27.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 132.05 ms. Allocated memory is still 201.9 MB. Free memory was 170.3 MB in the beginning and 164.6 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1688.06 ms. Allocated memory was 201.9 MB in the beginning and 232.8 MB in the end (delta: 30.9 MB). Free memory was 164.6 MB in the beginning and 98.3 MB in the end (delta: 66.3 MB). Peak memory consumption was 97.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 57937.46 ms. Allocated memory was 232.8 MB in the beginning and 740.8 MB in the end (delta: 508.0 MB). Free memory was 96.8 MB in the beginning and 557.8 MB in the end (delta: -460.9 MB). Peak memory consumption was 47.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 532]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L247] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L448] int waterLevel = 1; [L449] int methaneLevelCritical = 0; [L613] int pumpRunning = 0; [L614] int systemActive = 1; [L807] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=170, \old(head)=176, \old(head)=161, \old(methaneLevelCritical)=145, \old(pumpRunning)=138, \old(systemActive)=137, \old(waterLevel)=141, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L880] int retValue_acc ; [L881] 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] [L885] 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] [L886] 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] [L887] 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] [L798] int retValue_acc ; [L801] retValue_acc = 1 [L802] 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] [L887] 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] [L887] tmp = valid_product() [L889] 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] [L891] 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] [L892] 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] [L874] 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] [L542] int splverifierCounter ; [L543] int tmp ; [L544] int tmp___0 ; [L545] int tmp___1 ; [L546] int tmp___2 ; [L549] 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] [L551] 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] [L553] 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] [L559] tmp = __VERIFIER_nondet_int() [L561] 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] [L563] 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] [L466] COND TRUE waterLevel < 2 [L467] 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] [L563] 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] [L569] tmp___0 = __VERIFIER_nondet_int() [L571] 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] [L579] tmp___2 = __VERIFIER_nondet_int() [L581] COND FALSE !(\read(tmp___2)) [L587] tmp___1 = __VERIFIER_nondet_int() [L589] 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] [L591] 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] [L749] 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] [L756] 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] [L591] 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] [L598] 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] [L620] 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] [L627] 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] [L635] 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] [L45] int tmp ; [L46] int tmp___0 ; [L47] 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] [L51] 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] [L487] int retValue_acc ; [L490] retValue_acc = methaneLevelCritical [L491] 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] [L51] 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] [L51] tmp = isMethaneLevelCritical() [L53] 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] [L57] 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] [L519] int retValue_acc ; [L522] retValue_acc = waterLevel [L523] 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] [L57] 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] [L57] tmp___0 = getWaterLevel() [L59] 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] [L61] 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] [L701] int retValue_acc ; [L704] retValue_acc = pumpRunning [L705] 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] [L61] 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] [L61] tmp___1 = isPumpRunning() [L63] 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] [L67] 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] [L532] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 217 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 57.7s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 44.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 444 SDtfs, 588 SDslu, 377 SDs, 0 SdLazy, 1731 SolverSat, 371 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.0s 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: 9.9s AutomataMinimizationTime, 4 MinimizatonAttempts, 186 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s 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...