/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy CAMEL_NO_AM -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product03.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-19 20:59:14,626 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-19 20:59:14,628 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-19 20:59:14,648 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-19 20:59:14,648 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-19 20:59:14,650 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-19 20:59:14,652 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-19 20:59:14,662 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-19 20:59:14,665 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-19 20:59:14,668 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-19 20:59:14,670 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-19 20:59:14,672 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-19 20:59:14,672 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-19 20:59:14,674 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-19 20:59:14,676 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-19 20:59:14,677 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-19 20:59:14,678 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-19 20:59:14,679 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-19 20:59:14,680 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-19 20:59:14,685 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-19 20:59:14,690 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-19 20:59:14,693 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-19 20:59:14,694 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-19 20:59:14,695 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-19 20:59:14,698 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-19 20:59:14,698 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-19 20:59:14,698 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-19 20:59:14,701 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-19 20:59:14,701 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-19 20:59:14,702 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-19 20:59:14,702 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-19 20:59:14,703 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-19 20:59:14,704 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-19 20:59:14,705 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-19 20:59:14,706 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-19 20:59:14,706 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-19 20:59:14,707 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-19 20:59:14,707 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-19 20:59:14,707 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-19 20:59:14,708 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-19 20:59:14,709 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-19 20:59:14,710 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 [2020-07-19 20:59:14,745 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-19 20:59:14,745 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-19 20:59:14,748 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-19 20:59:14,749 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-19 20:59:14,749 INFO L138 SettingsManager]: * Use SBE=true [2020-07-19 20:59:14,749 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-19 20:59:14,749 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-19 20:59:14,750 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-19 20:59:14,750 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-19 20:59:14,750 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-19 20:59:14,750 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-19 20:59:14,750 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-19 20:59:14,750 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-19 20:59:14,751 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-19 20:59:14,751 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-19 20:59:14,751 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-19 20:59:14,751 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-19 20:59:14,751 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-19 20:59:14,752 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-19 20:59:14,752 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-19 20:59:14,752 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-19 20:59:14,752 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 20:59:14,753 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-19 20:59:14,753 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-19 20:59:14,753 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-19 20:59:14,753 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-19 20:59:14,754 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-19 20:59:14,754 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-19 20:59:14,754 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-19 20:59:14,754 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_NO_AM [2020-07-19 20:59:15,026 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-19 20:59:15,039 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-19 20:59:15,042 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-19 20:59:15,044 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-19 20:59:15,044 INFO L275 PluginConnector]: CDTParser initialized [2020-07-19 20:59:15,045 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product03.cil.c [2020-07-19 20:59:15,108 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/894ef7dce/a9c44d07366b430a95ad5288193141bc/FLAGc144132b5 [2020-07-19 20:59:15,663 INFO L306 CDTParser]: Found 1 translation units. [2020-07-19 20:59:15,663 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product03.cil.c [2020-07-19 20:59:15,687 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/894ef7dce/a9c44d07366b430a95ad5288193141bc/FLAGc144132b5 [2020-07-19 20:59:15,887 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/894ef7dce/a9c44d07366b430a95ad5288193141bc [2020-07-19 20:59:15,896 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-19 20:59:15,899 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-19 20:59:15,900 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-19 20:59:15,901 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-19 20:59:15,904 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-19 20:59:15,905 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 08:59:15" (1/1) ... [2020-07-19 20:59:15,908 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ce2c12b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 08:59:15, skipping insertion in model container [2020-07-19 20:59:15,908 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 08:59:15" (1/1) ... [2020-07-19 20:59:15,916 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-19 20:59:15,974 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-19 20:59:16,327 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 20:59:16,433 INFO L203 MainTranslator]: Completed pre-run [2020-07-19 20:59:16,527 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 20:59:16,559 INFO L208 MainTranslator]: Completed translation [2020-07-19 20:59:16,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 08:59:16 WrapperNode [2020-07-19 20:59:16,560 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-19 20:59:16,563 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-19 20:59:16,563 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-19 20:59:16,563 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-19 20:59:16,579 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 08:59:16" (1/1) ... [2020-07-19 20:59:16,581 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 08:59:16" (1/1) ... [2020-07-19 20:59:16,599 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 08:59:16" (1/1) ... [2020-07-19 20:59:16,600 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 08:59:16" (1/1) ... [2020-07-19 20:59:16,635 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 08:59:16" (1/1) ... [2020-07-19 20:59:16,646 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 08:59:16" (1/1) ... [2020-07-19 20:59:16,651 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 08:59:16" (1/1) ... [2020-07-19 20:59:16,663 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-19 20:59:16,664 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-19 20:59:16,664 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-19 20:59:16,664 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-19 20:59:16,665 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 08:59:16" (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 [2020-07-19 20:59:16,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-19 20:59:16,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-19 20:59:16,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-19 20:59:16,736 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-19 20:59:16,736 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-19 20:59:16,736 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-19 20:59:16,737 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-19 20:59:16,737 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-19 20:59:16,738 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-19 20:59:16,738 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-19 20:59:16,738 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-19 20:59:16,739 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-19 20:59:16,739 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-19 20:59:16,740 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-19 20:59:16,740 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-19 20:59:16,740 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-19 20:59:16,741 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-19 20:59:16,741 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-19 20:59:16,741 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-19 20:59:16,741 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-19 20:59:16,741 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-19 20:59:16,741 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-19 20:59:16,741 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-19 20:59:16,742 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-07-19 20:59:16,742 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-19 20:59:16,742 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-19 20:59:16,742 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-19 20:59:16,742 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-19 20:59:16,742 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-19 20:59:16,743 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-19 20:59:16,743 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-19 20:59:16,743 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-19 20:59:16,743 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-19 20:59:16,743 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-19 20:59:16,743 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-19 20:59:16,744 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-19 20:59:16,744 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-19 20:59:16,744 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-19 20:59:16,744 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-19 20:59:16,744 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-19 20:59:16,744 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-19 20:59:16,745 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-19 20:59:16,745 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-19 20:59:16,745 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-19 20:59:16,745 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-19 20:59:16,745 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-19 20:59:16,745 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-19 20:59:16,745 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-19 20:59:16,745 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-19 20:59:16,745 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-19 20:59:16,745 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-19 20:59:16,746 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-07-19 20:59:16,746 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-19 20:59:16,746 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-19 20:59:16,746 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-19 20:59:16,746 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-19 20:59:16,746 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-19 20:59:16,746 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-19 20:59:16,746 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-19 20:59:16,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-19 20:59:16,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-19 20:59:16,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-19 20:59:16,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-19 20:59:16,747 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-19 20:59:16,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-19 20:59:16,747 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-19 20:59:16,748 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-19 20:59:16,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-19 20:59:16,748 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-19 20:59:16,748 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-19 20:59:16,748 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-19 20:59:16,748 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-19 20:59:16,748 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-19 20:59:16,749 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-19 20:59:16,749 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-19 20:59:16,749 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-19 20:59:16,749 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-19 20:59:16,749 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-19 20:59:16,750 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-19 20:59:16,750 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-19 20:59:16,750 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-19 20:59:16,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-19 20:59:16,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-19 20:59:16,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-19 20:59:17,772 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-19 20:59:17,772 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-19 20:59:17,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 08:59:17 BoogieIcfgContainer [2020-07-19 20:59:17,777 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-19 20:59:17,779 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-19 20:59:17,779 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-19 20:59:17,782 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-19 20:59:17,782 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 08:59:15" (1/3) ... [2020-07-19 20:59:17,783 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@298494f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 08:59:17, skipping insertion in model container [2020-07-19 20:59:17,783 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 08:59:16" (2/3) ... [2020-07-19 20:59:17,784 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@298494f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 08:59:17, skipping insertion in model container [2020-07-19 20:59:17,784 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 08:59:17" (3/3) ... [2020-07-19 20:59:17,786 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product03.cil.c [2020-07-19 20:59:17,796 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-19 20:59:17,804 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-19 20:59:17,818 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-19 20:59:17,842 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-19 20:59:17,843 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-19 20:59:17,843 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-19 20:59:17,843 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-19 20:59:17,843 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-19 20:59:17,844 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-19 20:59:17,844 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-19 20:59:17,844 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-19 20:59:17,866 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states. [2020-07-19 20:59:17,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-19 20:59:17,876 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 20:59:17,877 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] [2020-07-19 20:59:17,878 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 20:59:17,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 20:59:17,884 INFO L82 PathProgramCache]: Analyzing trace with hash 512275600, now seen corresponding path program 1 times [2020-07-19 20:59:17,896 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 20:59:17,897 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885057776] [2020-07-19 20:59:17,897 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4b3a57a7 [2020-07-19 20:59:18,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:18,521 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 20:59:18,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:18,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:18,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:18,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:18,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:18,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:18,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:18,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:18,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 20:59:18,640 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885057776] [2020-07-19 20:59:18,641 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 20:59:18,641 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-19 20:59:18,642 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034282297] [2020-07-19 20:59:18,648 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-19 20:59:18,648 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 20:59:18,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-19 20:59:18,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-19 20:59:18,667 INFO L87 Difference]: Start difference. First operand 142 states. Second operand 3 states. [2020-07-19 20:59:19,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 20:59:19,587 INFO L93 Difference]: Finished difference Result 231 states and 307 transitions. [2020-07-19 20:59:19,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-19 20:59:19,590 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-19 20:59:19,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 20:59:19,604 INFO L225 Difference]: With dead ends: 231 [2020-07-19 20:59:19,605 INFO L226 Difference]: Without dead ends: 126 [2020-07-19 20:59:19,610 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 [2020-07-19 20:59:19,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2020-07-19 20:59:19,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 96. [2020-07-19 20:59:19,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2020-07-19 20:59:19,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 111 transitions. [2020-07-19 20:59:19,689 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 111 transitions. Word has length 52 [2020-07-19 20:59:19,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 20:59:19,689 INFO L479 AbstractCegarLoop]: Abstraction has 96 states and 111 transitions. [2020-07-19 20:59:19,689 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-19 20:59:19,690 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 111 transitions. [2020-07-19 20:59:19,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-07-19 20:59:19,693 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 20:59:19,693 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] [2020-07-19 20:59:19,694 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-19 20:59:19,694 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 20:59:19,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 20:59:19,694 INFO L82 PathProgramCache]: Analyzing trace with hash 1858874248, now seen corresponding path program 1 times [2020-07-19 20:59:19,695 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 20:59:19,695 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977630377] [2020-07-19 20:59:19,695 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4b3a57a7 [2020-07-19 20:59:19,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:20,037 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 20:59:20,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:20,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:20,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:20,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:20,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:20,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:20,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:20,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:20,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 20:59:20,084 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977630377] [2020-07-19 20:59:20,084 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 20:59:20,084 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-19 20:59:20,084 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820292337] [2020-07-19 20:59:20,086 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-19 20:59:20,086 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 20:59:20,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-19 20:59:20,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-19 20:59:20,087 INFO L87 Difference]: Start difference. First operand 96 states and 111 transitions. Second operand 4 states. [2020-07-19 20:59:20,509 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 20:59:21,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 20:59:21,079 INFO L93 Difference]: Finished difference Result 155 states and 188 transitions. [2020-07-19 20:59:21,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-19 20:59:21,080 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2020-07-19 20:59:21,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 20:59:21,084 INFO L225 Difference]: With dead ends: 155 [2020-07-19 20:59:21,085 INFO L226 Difference]: Without dead ends: 110 [2020-07-19 20:59:21,086 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-19 20:59:21,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2020-07-19 20:59:21,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 87. [2020-07-19 20:59:21,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-07-19 20:59:21,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 99 transitions. [2020-07-19 20:59:21,117 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 99 transitions. Word has length 53 [2020-07-19 20:59:21,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 20:59:21,117 INFO L479 AbstractCegarLoop]: Abstraction has 87 states and 99 transitions. [2020-07-19 20:59:21,117 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-19 20:59:21,117 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 99 transitions. [2020-07-19 20:59:21,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-19 20:59:21,119 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 20:59:21,120 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 20:59:21,120 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-19 20:59:21,120 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 20:59:21,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 20:59:21,121 INFO L82 PathProgramCache]: Analyzing trace with hash 865102310, now seen corresponding path program 1 times [2020-07-19 20:59:21,121 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 20:59:21,121 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096108897] [2020-07-19 20:59:21,121 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4b3a57a7 [2020-07-19 20:59:21,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:21,458 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 20:59:21,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:21,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:21,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:21,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:21,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:21,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:21,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:21,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:21,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 20:59:21,562 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096108897] [2020-07-19 20:59:21,562 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 20:59:21,562 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-19 20:59:21,562 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696064049] [2020-07-19 20:59:21,563 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-19 20:59:21,563 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 20:59:21,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-19 20:59:21,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-19 20:59:21,564 INFO L87 Difference]: Start difference. First operand 87 states and 99 transitions. Second operand 8 states. [2020-07-19 20:59:21,945 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 20:59:22,256 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 20:59:22,494 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 20:59:22,732 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 20:59:23,423 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 20:59:24,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 20:59:24,518 INFO L93 Difference]: Finished difference Result 311 states and 384 transitions. [2020-07-19 20:59:24,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-19 20:59:24,519 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 57 [2020-07-19 20:59:24,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 20:59:24,524 INFO L225 Difference]: With dead ends: 311 [2020-07-19 20:59:24,526 INFO L226 Difference]: Without dead ends: 248 [2020-07-19 20:59:24,527 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-07-19 20:59:24,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2020-07-19 20:59:24,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 186. [2020-07-19 20:59:24,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2020-07-19 20:59:24,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 221 transitions. [2020-07-19 20:59:24,627 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 221 transitions. Word has length 57 [2020-07-19 20:59:24,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 20:59:24,629 INFO L479 AbstractCegarLoop]: Abstraction has 186 states and 221 transitions. [2020-07-19 20:59:24,629 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-19 20:59:24,629 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 221 transitions. [2020-07-19 20:59:24,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-19 20:59:24,641 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 20:59:24,642 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 20:59:24,643 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-19 20:59:24,643 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 20:59:24,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 20:59:24,643 INFO L82 PathProgramCache]: Analyzing trace with hash 27342424, now seen corresponding path program 1 times [2020-07-19 20:59:24,643 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 20:59:24,644 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289039975] [2020-07-19 20:59:24,645 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4b3a57a7 [2020-07-19 20:59:24,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:24,989 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 20:59:25,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:25,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:25,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:25,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:25,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:25,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:25,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:25,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:25,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:25,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 20:59:25,097 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289039975] [2020-07-19 20:59:25,097 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 20:59:25,098 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-19 20:59:25,098 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106319115] [2020-07-19 20:59:25,099 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-19 20:59:25,099 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 20:59:25,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-19 20:59:25,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-07-19 20:59:25,099 INFO L87 Difference]: Start difference. First operand 186 states and 221 transitions. Second operand 7 states. [2020-07-19 20:59:25,495 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 20:59:26,508 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 20:59:26,794 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 20:59:27,044 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 20:59:27,296 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 20:59:27,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 20:59:27,601 INFO L93 Difference]: Finished difference Result 524 states and 668 transitions. [2020-07-19 20:59:27,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-19 20:59:27,604 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 60 [2020-07-19 20:59:27,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 20:59:27,609 INFO L225 Difference]: With dead ends: 524 [2020-07-19 20:59:27,609 INFO L226 Difference]: Without dead ends: 362 [2020-07-19 20:59:27,611 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2020-07-19 20:59:27,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2020-07-19 20:59:27,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 341. [2020-07-19 20:59:27,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 341 states. [2020-07-19 20:59:27,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 417 transitions. [2020-07-19 20:59:27,679 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 417 transitions. Word has length 60 [2020-07-19 20:59:27,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 20:59:27,679 INFO L479 AbstractCegarLoop]: Abstraction has 341 states and 417 transitions. [2020-07-19 20:59:27,679 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-19 20:59:27,680 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 417 transitions. [2020-07-19 20:59:27,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-07-19 20:59:27,682 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 20:59:27,682 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 20:59:27,682 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-19 20:59:27,682 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 20:59:27,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 20:59:27,683 INFO L82 PathProgramCache]: Analyzing trace with hash 2049443282, now seen corresponding path program 1 times [2020-07-19 20:59:27,683 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 20:59:27,683 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268741428] [2020-07-19 20:59:27,683 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4b3a57a7 [2020-07-19 20:59:27,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-19 20:59:27,735 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-19 20:59:27,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-19 20:59:27,779 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-19 20:59:27,845 INFO L174 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2020-07-19 20:59:27,845 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-19 20:59:27,846 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-19 20:59:27,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 08:59:27 BoogieIcfgContainer [2020-07-19 20:59:27,989 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-19 20:59:27,994 INFO L168 Benchmark]: Toolchain (without parser) took 12093.50 ms. Allocated memory was 139.5 MB in the beginning and 413.1 MB in the end (delta: 273.7 MB). Free memory was 102.9 MB in the beginning and 291.0 MB in the end (delta: -188.1 MB). Peak memory consumption was 85.6 MB. Max. memory is 7.1 GB. [2020-07-19 20:59:27,995 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 139.5 MB. Free memory was 122.6 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-19 20:59:27,996 INFO L168 Benchmark]: CACSL2BoogieTranslator took 661.87 ms. Allocated memory was 139.5 MB in the beginning and 205.0 MB in the end (delta: 65.5 MB). Free memory was 102.5 MB in the beginning and 176.0 MB in the end (delta: -73.5 MB). Peak memory consumption was 28.7 MB. Max. memory is 7.1 GB. [2020-07-19 20:59:27,997 INFO L168 Benchmark]: Boogie Preprocessor took 100.68 ms. Allocated memory is still 205.0 MB. Free memory was 176.0 MB in the beginning and 171.9 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-07-19 20:59:27,998 INFO L168 Benchmark]: RCFGBuilder took 1113.84 ms. Allocated memory was 205.0 MB in the beginning and 237.0 MB in the end (delta: 32.0 MB). Free memory was 171.9 MB in the beginning and 203.8 MB in the end (delta: -31.9 MB). Peak memory consumption was 85.0 MB. Max. memory is 7.1 GB. [2020-07-19 20:59:27,999 INFO L168 Benchmark]: TraceAbstraction took 10210.80 ms. Allocated memory was 237.0 MB in the beginning and 413.1 MB in the end (delta: 176.2 MB). Free memory was 203.8 MB in the beginning and 291.0 MB in the end (delta: -87.3 MB). Peak memory consumption was 88.9 MB. Max. memory is 7.1 GB. [2020-07-19 20:59:28,003 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 139.5 MB. Free memory was 122.6 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 661.87 ms. Allocated memory was 139.5 MB in the beginning and 205.0 MB in the end (delta: 65.5 MB). Free memory was 102.5 MB in the beginning and 176.0 MB in the end (delta: -73.5 MB). Peak memory consumption was 28.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 100.68 ms. Allocated memory is still 205.0 MB. Free memory was 176.0 MB in the beginning and 171.9 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1113.84 ms. Allocated memory was 205.0 MB in the beginning and 237.0 MB in the end (delta: 32.0 MB). Free memory was 171.9 MB in the beginning and 203.8 MB in the end (delta: -31.9 MB). Peak memory consumption was 85.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 10210.80 ms. Allocated memory was 237.0 MB in the beginning and 413.1 MB in the end (delta: 176.2 MB). Free memory was 203.8 MB in the beginning and 291.0 MB in the end (delta: -87.3 MB). Peak memory consumption was 88.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 650]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L119] int pumpRunning = 0; [L120] int systemActive = 1; [L411] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L690] int cleanupTimeShifts = 4; [L786] int waterLevel = 1; [L787] int methaneLevelCritical = 0; VAL [\old(cleanupTimeShifts)=173, \old(head)=164, \old(head)=176, \old(methaneLevelCritical)=145, \old(pumpRunning)=136, \old(systemActive)=135, \old(waterLevel)=143, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L763] int retValue_acc ; [L764] 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] [L768] 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] [L769] 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] [L770] 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] [L637] int retValue_acc ; [L640] retValue_acc = 1 [L641] 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] [L770] 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] [L770] tmp = valid_product() [L772] 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] [L774] 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] [L775] 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] [L757] 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] [L46] int splverifierCounter ; [L47] int tmp ; [L48] int tmp___0 ; [L49] int tmp___1 ; [L50] int tmp___2 ; [L53] 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] [L55] 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] [L57] 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] [L63] tmp = __VERIFIER_nondet_int() [L65] 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] [L67] 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] [L804] COND TRUE waterLevel < 2 [L805] 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] [L67] 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] [L73] tmp___0 = __VERIFIER_nondet_int() [L75] 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] [L83] tmp___2 = __VERIFIER_nondet_int() [L85] COND TRUE \read(tmp___2) 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___2=-1, waterLevel=2] [L100] 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=1, waterLevel=2] [L127] 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=1, waterLevel=2] [L134] COND TRUE \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=1, waterLevel=2] [L136] FCALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L142] 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=1, waterLevel=2] [L657] int tmp ; [L658] int tmp___0 ; [L659] 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=1, waterLevel=2] [L663] 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=1, waterLevel=2] [L825] int retValue_acc ; [L828] retValue_acc = methaneLevelCritical [L829] 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=1, waterLevel=2] [L663] 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=1, waterLevel=2] [L663] tmp = isMethaneLevelCritical() [L665] 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=1, tmp=0, waterLevel=2] [L669] 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=1, waterLevel=2] [L857] int retValue_acc ; [L860] retValue_acc = waterLevel [L861] 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=1, waterLevel=2] [L669] 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=1, tmp=0, waterLevel=2] [L669] tmp___0 = getWaterLevel() [L671] 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=1, tmp=0, tmp___0=2, waterLevel=2] [L673] 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=1, waterLevel=2] [L182] int retValue_acc ; [L185] retValue_acc = pumpRunning [L186] 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=1, waterLevel=2] [L673] 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=1, tmp=0, tmp___0=2, waterLevel=2] [L673] tmp___1 = isPumpRunning() [L675] 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=1, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L679] 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=1, waterLevel=2] [L650] __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=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 35 procedures, 203 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 10.0s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 7.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 349 SDtfs, 467 SDslu, 318 SDs, 0 SdLazy, 1249 SolverSat, 248 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 101 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 3.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=341occurred 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: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 136 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 286 NumberOfCodeBlocks, 286 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 218 ConstructedInterpolants, 0 QuantifiedInterpolants, 60354 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...