/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 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product09.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 10:43:30,770 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 10:43:30,772 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 10:43:30,784 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 10:43:30,785 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 10:43:30,786 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 10:43:30,787 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 10:43:30,789 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 10:43:30,790 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 10:43:30,791 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 10:43:30,792 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 10:43:30,793 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 10:43:30,794 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 10:43:30,795 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 10:43:30,796 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 10:43:30,797 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 10:43:30,797 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 10:43:30,798 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 10:43:30,800 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 10:43:30,808 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 10:43:30,810 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 10:43:30,814 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 10:43:30,815 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 10:43:30,816 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 10:43:30,818 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-07 10:43:30,818 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-07 10:43:30,818 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-07 10:43:30,819 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-07 10:43:30,819 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-07 10:43:30,820 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-07 10:43:30,821 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-07 10:43:30,821 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-07 10:43:30,822 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-07 10:43:30,823 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-07 10:43:30,824 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-07 10:43:30,824 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-07 10:43:30,825 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-07 10:43:30,825 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-07 10:43:30,825 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 10:43:30,826 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 10:43:30,826 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 10:43:30,827 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 [2020-07-07 10:43:30,841 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 10:43:30,842 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 10:43:30,843 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-07 10:43:30,843 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-07 10:43:30,843 INFO L138 SettingsManager]: * Use SBE=true [2020-07-07 10:43:30,844 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 10:43:30,844 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 10:43:30,844 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 10:43:30,844 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 10:43:30,844 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 10:43:30,845 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 10:43:30,845 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 10:43:30,845 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 10:43:30,845 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 10:43:30,845 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 10:43:30,846 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 10:43:30,846 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 10:43:30,846 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 10:43:30,846 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-07 10:43:30,846 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 10:43:30,847 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 10:43:30,847 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 10:43:30,847 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 10:43:30,847 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-07 10:43:30,847 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-07 10:43:30,848 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-07 10:43:30,848 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-07 10:43:30,848 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 10:43:30,848 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-07 10:43:30,848 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-07 10:43:31,146 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 10:43:31,158 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 10:43:31,162 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 10:43:31,164 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 10:43:31,164 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 10:43:31,165 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product09.cil.c [2020-07-07 10:43:31,245 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b50a0070/f8d3bfb87f0341cdb3c2f8977abfafaa/FLAG0b5900098 [2020-07-07 10:43:31,785 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 10:43:31,786 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product09.cil.c [2020-07-07 10:43:31,799 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b50a0070/f8d3bfb87f0341cdb3c2f8977abfafaa/FLAG0b5900098 [2020-07-07 10:43:32,145 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b50a0070/f8d3bfb87f0341cdb3c2f8977abfafaa [2020-07-07 10:43:32,153 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 10:43:32,155 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 10:43:32,156 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 10:43:32,156 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 10:43:32,160 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 10:43:32,161 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:43:32" (1/1) ... [2020-07-07 10:43:32,164 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7803ac53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:43:32, skipping insertion in model container [2020-07-07 10:43:32,164 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:43:32" (1/1) ... [2020-07-07 10:43:32,172 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 10:43:32,239 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 10:43:32,654 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:43:32,671 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 10:43:32,744 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:43:32,775 INFO L208 MainTranslator]: Completed translation [2020-07-07 10:43:32,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:43:32 WrapperNode [2020-07-07 10:43:32,776 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 10:43:32,777 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 10:43:32,777 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 10:43:32,777 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 10:43:32,790 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:43:32" (1/1) ... [2020-07-07 10:43:32,790 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:43:32" (1/1) ... [2020-07-07 10:43:32,808 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:43:32" (1/1) ... [2020-07-07 10:43:32,808 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:43:32" (1/1) ... [2020-07-07 10:43:32,859 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:43:32" (1/1) ... [2020-07-07 10:43:32,867 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:43:32" (1/1) ... [2020-07-07 10:43:32,873 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:43:32" (1/1) ... [2020-07-07 10:43:32,880 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 10:43:32,881 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 10:43:32,881 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 10:43:32,881 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 10:43:32,882 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:43:32" (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 [2020-07-07 10:43:32,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 10:43:32,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 10:43:32,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-07 10:43:32,955 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-07 10:43:32,955 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-07 10:43:32,955 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-07 10:43:32,955 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-07 10:43:32,955 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 10:43:32,955 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-07 10:43:32,956 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-07 10:43:32,956 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-07 10:43:32,957 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-07 10:43:32,957 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-07-07 10:43:32,958 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-07 10:43:32,958 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-07 10:43:32,959 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-07 10:43:32,959 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-07 10:43:32,959 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-07 10:43:32,959 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-07-07 10:43:32,959 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-07 10:43:32,960 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-07 10:43:32,960 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-07 10:43:32,961 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-07 10:43:32,961 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-07 10:43:32,961 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-07 10:43:32,962 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-07 10:43:32,962 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-07 10:43:32,962 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-07 10:43:32,962 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-07 10:43:32,962 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-07 10:43:32,963 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-07 10:43:32,963 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-07 10:43:32,963 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-07 10:43:32,963 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-07 10:43:32,963 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-07 10:43:32,964 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 10:43:32,964 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-07 10:43:32,964 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-07 10:43:32,964 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-07 10:43:32,964 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-07 10:43:32,965 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-07 10:43:32,965 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-07 10:43:32,965 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-07 10:43:32,965 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-07 10:43:32,966 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-07 10:43:32,966 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-07 10:43:32,966 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-07 10:43:32,966 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-07 10:43:32,966 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-07 10:43:32,966 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-07 10:43:32,966 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 10:43:32,967 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-07 10:43:32,967 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-07 10:43:32,967 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-07 10:43:32,967 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-07 10:43:32,967 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-07 10:43:32,967 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-07 10:43:32,967 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-07 10:43:32,968 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-07-07 10:43:32,968 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-07 10:43:32,968 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-07-07 10:43:32,968 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-07 10:43:32,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-07 10:43:32,968 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-07 10:43:32,969 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-07 10:43:32,969 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-07 10:43:32,969 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-07 10:43:32,969 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-07 10:43:32,970 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-07 10:43:32,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-07 10:43:32,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-07 10:43:32,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-07 10:43:32,970 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-07 10:43:32,971 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-07 10:43:32,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-07 10:43:32,972 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-07 10:43:32,972 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-07 10:43:32,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-07 10:43:32,972 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-07 10:43:32,972 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-07 10:43:32,972 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-07 10:43:32,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 10:43:32,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-07 10:43:32,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 10:43:34,135 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 10:43:34,136 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-07 10:43:34,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:43:34 BoogieIcfgContainer [2020-07-07 10:43:34,144 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 10:43:34,145 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 10:43:34,145 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 10:43:34,151 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 10:43:34,152 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 10:43:32" (1/3) ... [2020-07-07 10:43:34,153 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10578688 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:43:34, skipping insertion in model container [2020-07-07 10:43:34,154 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:43:32" (2/3) ... [2020-07-07 10:43:34,154 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10578688 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:43:34, skipping insertion in model container [2020-07-07 10:43:34,155 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:43:34" (3/3) ... [2020-07-07 10:43:34,158 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product09.cil.c [2020-07-07 10:43:34,168 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-07 10:43:34,176 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 10:43:34,190 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 10:43:34,212 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 10:43:34,212 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 10:43:34,212 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-07 10:43:34,212 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 10:43:34,213 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 10:43:34,213 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 10:43:34,213 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 10:43:34,213 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 10:43:34,233 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states. [2020-07-07 10:43:34,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-07 10:43:34,242 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:43:34,243 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] [2020-07-07 10:43:34,244 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:43:34,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:43:34,250 INFO L82 PathProgramCache]: Analyzing trace with hash -243884949, now seen corresponding path program 1 times [2020-07-07 10:43:34,259 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:43:34,260 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420734333] [2020-07-07 10:43:34,260 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:43:34,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:34,970 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:43:34,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:35,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:35,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:35,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:35,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:35,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:35,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:35,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:35,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:43:35,075 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420734333] [2020-07-07 10:43:35,076 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:43:35,076 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-07 10:43:35,077 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952571853] [2020-07-07 10:43:35,083 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-07 10:43:35,083 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:43:35,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-07 10:43:35,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-07 10:43:35,101 INFO L87 Difference]: Start difference. First operand 141 states. Second operand 3 states. [2020-07-07 10:43:36,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:43:36,023 INFO L93 Difference]: Finished difference Result 211 states and 284 transitions. [2020-07-07 10:43:36,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-07 10:43:36,025 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-07 10:43:36,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:43:36,041 INFO L225 Difference]: With dead ends: 211 [2020-07-07 10:43:36,041 INFO L226 Difference]: Without dead ends: 115 [2020-07-07 10:43:36,046 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 [2020-07-07 10:43:36,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2020-07-07 10:43:36,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 87. [2020-07-07 10:43:36,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-07-07 10:43:36,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 101 transitions. [2020-07-07 10:43:36,183 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 101 transitions. Word has length 52 [2020-07-07 10:43:36,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:43:36,183 INFO L479 AbstractCegarLoop]: Abstraction has 87 states and 101 transitions. [2020-07-07 10:43:36,184 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-07 10:43:36,184 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 101 transitions. [2020-07-07 10:43:36,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-07-07 10:43:36,187 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:43:36,188 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] [2020-07-07 10:43:36,188 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-07 10:43:36,188 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:43:36,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:43:36,189 INFO L82 PathProgramCache]: Analyzing trace with hash -665178200, now seen corresponding path program 1 times [2020-07-07 10:43:36,189 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:43:36,189 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655435692] [2020-07-07 10:43:36,190 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:43:36,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:36,504 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:43:36,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:36,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:36,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:36,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:36,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:36,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:36,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:36,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:36,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:43:36,554 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655435692] [2020-07-07 10:43:36,555 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:43:36,555 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-07 10:43:36,555 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576193544] [2020-07-07 10:43:36,557 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-07 10:43:36,557 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:43:36,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-07 10:43:36,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-07 10:43:36,558 INFO L87 Difference]: Start difference. First operand 87 states and 101 transitions. Second operand 4 states. [2020-07-07 10:43:37,009 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:43:37,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:43:37,475 INFO L93 Difference]: Finished difference Result 144 states and 175 transitions. [2020-07-07 10:43:37,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-07 10:43:37,475 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2020-07-07 10:43:37,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:43:37,478 INFO L225 Difference]: With dead ends: 144 [2020-07-07 10:43:37,478 INFO L226 Difference]: Without dead ends: 99 [2020-07-07 10:43:37,479 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 [2020-07-07 10:43:37,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2020-07-07 10:43:37,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 78. [2020-07-07 10:43:37,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-07-07 10:43:37,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 89 transitions. [2020-07-07 10:43:37,507 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 89 transitions. Word has length 53 [2020-07-07 10:43:37,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:43:37,507 INFO L479 AbstractCegarLoop]: Abstraction has 78 states and 89 transitions. [2020-07-07 10:43:37,507 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-07 10:43:37,507 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 89 transitions. [2020-07-07 10:43:37,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-07 10:43:37,509 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:43:37,509 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] [2020-07-07 10:43:37,510 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-07 10:43:37,510 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:43:37,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:43:37,510 INFO L82 PathProgramCache]: Analyzing trace with hash 884065604, now seen corresponding path program 1 times [2020-07-07 10:43:37,511 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:43:37,511 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863194211] [2020-07-07 10:43:37,511 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:43:37,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:37,878 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:43:37,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:37,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:37,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:37,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:37,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:37,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:37,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:37,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:37,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:43:37,994 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863194211] [2020-07-07 10:43:37,995 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:43:37,995 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-07 10:43:37,995 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525215214] [2020-07-07 10:43:37,996 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 10:43:37,996 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:43:37,997 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 10:43:37,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-07 10:43:37,997 INFO L87 Difference]: Start difference. First operand 78 states and 89 transitions. Second operand 8 states. [2020-07-07 10:43:38,435 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:43:38,754 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:43:39,006 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:43:39,246 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:43:39,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:43:39,981 INFO L93 Difference]: Finished difference Result 153 states and 189 transitions. [2020-07-07 10:43:39,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-07 10:43:39,982 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 57 [2020-07-07 10:43:39,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:43:39,985 INFO L225 Difference]: With dead ends: 153 [2020-07-07 10:43:39,986 INFO L226 Difference]: Without dead ends: 99 [2020-07-07 10:43:39,988 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-07-07 10:43:39,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2020-07-07 10:43:40,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 78. [2020-07-07 10:43:40,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-07-07 10:43:40,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 88 transitions. [2020-07-07 10:43:40,024 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 88 transitions. Word has length 57 [2020-07-07 10:43:40,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:43:40,025 INFO L479 AbstractCegarLoop]: Abstraction has 78 states and 88 transitions. [2020-07-07 10:43:40,025 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 10:43:40,025 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 88 transitions. [2020-07-07 10:43:40,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-07 10:43:40,028 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:43:40,029 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] [2020-07-07 10:43:40,029 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-07 10:43:40,029 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:43:40,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:43:40,030 INFO L82 PathProgramCache]: Analyzing trace with hash 1049632545, now seen corresponding path program 1 times [2020-07-07 10:43:40,030 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:43:40,030 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225719967] [2020-07-07 10:43:40,030 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:43:40,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:40,362 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:43:40,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:40,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:40,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:40,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:40,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:40,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:40,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:40,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:40,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:43:40,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:43:40,423 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225719967] [2020-07-07 10:43:40,424 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:43:40,424 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-07 10:43:40,424 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937448776] [2020-07-07 10:43:40,425 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-07 10:43:40,425 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:43:40,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-07 10:43:40,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-07-07 10:43:40,426 INFO L87 Difference]: Start difference. First operand 78 states and 88 transitions. Second operand 7 states. [2020-07-07 10:43:40,877 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:43:41,746 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:43:42,014 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:43:42,292 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:43:42,535 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:43:42,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:43:42,780 INFO L93 Difference]: Finished difference Result 196 states and 245 transitions. [2020-07-07 10:43:42,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-07 10:43:42,780 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 60 [2020-07-07 10:43:42,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:43:42,783 INFO L225 Difference]: With dead ends: 196 [2020-07-07 10:43:42,783 INFO L226 Difference]: Without dead ends: 142 [2020-07-07 10:43:42,784 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 [2020-07-07 10:43:42,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2020-07-07 10:43:42,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 128. [2020-07-07 10:43:42,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2020-07-07 10:43:42,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 150 transitions. [2020-07-07 10:43:42,817 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 150 transitions. Word has length 60 [2020-07-07 10:43:42,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:43:42,818 INFO L479 AbstractCegarLoop]: Abstraction has 128 states and 150 transitions. [2020-07-07 10:43:42,818 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-07 10:43:42,818 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 150 transitions. [2020-07-07 10:43:42,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-07-07 10:43:42,820 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:43:42,820 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] [2020-07-07 10:43:42,820 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-07 10:43:42,820 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:43:42,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:43:42,821 INFO L82 PathProgramCache]: Analyzing trace with hash -509227045, now seen corresponding path program 1 times [2020-07-07 10:43:42,821 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:43:42,821 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704688936] [2020-07-07 10:43:42,822 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:43:42,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-07 10:43:42,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-07 10:43:42,982 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-07 10:43:42,983 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-07 10:43:42,983 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-07 10:43:43,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.07 10:43:43 BoogieIcfgContainer [2020-07-07 10:43:43,129 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-07 10:43:43,131 INFO L168 Benchmark]: Toolchain (without parser) took 10976.01 ms. Allocated memory was 143.7 MB in the beginning and 375.9 MB in the end (delta: 232.3 MB). Free memory was 99.4 MB in the beginning and 141.0 MB in the end (delta: -41.6 MB). Peak memory consumption was 190.6 MB. Max. memory is 7.1 GB. [2020-07-07 10:43:43,132 INFO L168 Benchmark]: CDTParser took 0.52 ms. Allocated memory is still 143.7 MB. Free memory was 118.7 MB in the beginning and 118.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-07 10:43:43,133 INFO L168 Benchmark]: CACSL2BoogieTranslator took 620.06 ms. Allocated memory was 143.7 MB in the beginning and 201.3 MB in the end (delta: 57.7 MB). Free memory was 99.2 MB in the beginning and 170.7 MB in the end (delta: -71.5 MB). Peak memory consumption was 22.8 MB. Max. memory is 7.1 GB. [2020-07-07 10:43:43,134 INFO L168 Benchmark]: Boogie Preprocessor took 103.81 ms. Allocated memory is still 201.3 MB. Free memory was 170.7 MB in the beginning and 166.6 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-07-07 10:43:43,134 INFO L168 Benchmark]: RCFGBuilder took 1262.98 ms. Allocated memory was 201.3 MB in the beginning and 231.7 MB in the end (delta: 30.4 MB). Free memory was 166.6 MB in the beginning and 201.3 MB in the end (delta: -34.7 MB). Peak memory consumption was 87.7 MB. Max. memory is 7.1 GB. [2020-07-07 10:43:43,135 INFO L168 Benchmark]: TraceAbstraction took 8984.32 ms. Allocated memory was 231.7 MB in the beginning and 375.9 MB in the end (delta: 144.2 MB). Free memory was 201.3 MB in the beginning and 141.0 MB in the end (delta: 60.2 MB). Peak memory consumption was 204.4 MB. Max. memory is 7.1 GB. [2020-07-07 10:43:43,139 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52 ms. Allocated memory is still 143.7 MB. Free memory was 118.7 MB in the beginning and 118.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 620.06 ms. Allocated memory was 143.7 MB in the beginning and 201.3 MB in the end (delta: 57.7 MB). Free memory was 99.2 MB in the beginning and 170.7 MB in the end (delta: -71.5 MB). Peak memory consumption was 22.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 103.81 ms. Allocated memory is still 201.3 MB. Free memory was 170.7 MB in the beginning and 166.6 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1262.98 ms. Allocated memory was 201.3 MB in the beginning and 231.7 MB in the end (delta: 30.4 MB). Free memory was 166.6 MB in the beginning and 201.3 MB in the end (delta: -34.7 MB). Peak memory consumption was 87.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 8984.32 ms. Allocated memory was 231.7 MB in the beginning and 375.9 MB in the end (delta: 144.2 MB). Free memory was 201.3 MB in the beginning and 141.0 MB in the end (delta: 60.2 MB). Peak memory consumption was 204.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 148]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L40] int cleanupTimeShifts = 4; [L224] int pumpRunning = 0; [L225] int systemActive = 1; [L589] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L786] int waterLevel = 1; [L787] int methaneLevelCritical = 0; VAL [\old(cleanupTimeShifts)=171, \old(head)=176, \old(head)=164, \old(methaneLevelCritical)=150, \old(pumpRunning)=140, \old(systemActive)=139, \old(waterLevel)=148, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L121] int retValue_acc ; [L122] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L126] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L127] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L128] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L411] int retValue_acc ; [L414] retValue_acc = 1 [L415] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L128] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L128] tmp = valid_product() [L130] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L132] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L133] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L112] CALL test() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L154] int splverifierCounter ; [L155] int tmp ; [L156] int tmp___0 ; [L157] int tmp___1 ; [L158] int tmp___2 ; [L161] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L163] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L165] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L171] tmp = __VERIFIER_nondet_int() [L173] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L175] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \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(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L175] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L181] tmp___0 = __VERIFIER_nondet_int() [L183] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L191] tmp___2 = __VERIFIER_nondet_int() [L193] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \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] [L206] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L232] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L239] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L241] FCALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L247] CALL __utac_acc__Specification3_spec__1() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L352] int tmp ; [L353] int tmp___0 ; [L354] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L358] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \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(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L358] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L358] tmp = isMethaneLevelCritical() [L360] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L364] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \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(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=1, waterLevel=2] [L364] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L364] tmp___0 = getWaterLevel() [L366] COND TRUE tmp___0 == 2 VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L368] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L305] int retValue_acc ; [L308] retValue_acc = pumpRunning [L309] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L368] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L368] tmp___1 = isPumpRunning() [L370] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L374] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L148] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \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, 204 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 8.7s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 6.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 302 SDtfs, 404 SDslu, 175 SDs, 0 SdLazy, 882 SolverSat, 230 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 96 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 3.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=141occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 84 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.6s 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...