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/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product11.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 02:49:14,786 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 02:49:14,788 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 02:49:14,800 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 02:49:14,801 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 02:49:14,802 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 02:49:14,804 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 02:49:14,806 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 02:49:14,807 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 02:49:14,808 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 02:49:14,809 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 02:49:14,811 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 02:49:14,811 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 02:49:14,812 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 02:49:14,813 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 02:49:14,814 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 02:49:14,815 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 02:49:14,816 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 02:49:14,818 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 02:49:14,820 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 02:49:14,822 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 02:49:14,823 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 02:49:14,825 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 02:49:14,826 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 02:49:14,829 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 02:49:14,829 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 02:49:14,829 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 02:49:14,830 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 02:49:14,831 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 02:49:14,832 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 02:49:14,832 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 02:49:14,834 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 02:49:14,835 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 02:49:14,836 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 02:49:14,841 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 02:49:14,842 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 02:49:14,842 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 02:49:14,842 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 02:49:14,843 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 02:49:14,845 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 02:49:14,845 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 02:49:14,847 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-10 02:49:14,878 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 02:49:14,878 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 02:49:14,878 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 02:49:14,879 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 02:49:14,879 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 02:49:14,880 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 02:49:14,880 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 02:49:14,880 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 02:49:14,880 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 02:49:14,880 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 02:49:14,881 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 02:49:14,881 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 02:49:14,882 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 02:49:14,882 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 02:49:14,882 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 02:49:14,882 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 02:49:14,882 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 02:49:14,883 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 02:49:14,883 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 02:49:14,883 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 02:49:14,883 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 02:49:14,884 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 02:49:14,884 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 02:49:14,884 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 02:49:14,884 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 02:49:14,884 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 02:49:14,885 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 02:49:14,885 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 02:49:14,885 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 02:49:14,885 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 02:49:14,926 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 02:49:14,949 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 02:49:14,952 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 02:49:14,954 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 02:49:14,955 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 02:49:14,956 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product11.cil.c [2019-09-10 02:49:15,035 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5e787d14/e56c61cedd7a4a699df17413452546e3/FLAG27cf11676 [2019-09-10 02:49:15,571 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 02:49:15,572 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product11.cil.c [2019-09-10 02:49:15,586 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5e787d14/e56c61cedd7a4a699df17413452546e3/FLAG27cf11676 [2019-09-10 02:49:15,885 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5e787d14/e56c61cedd7a4a699df17413452546e3 [2019-09-10 02:49:15,895 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 02:49:15,896 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 02:49:15,897 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 02:49:15,897 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 02:49:15,901 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 02:49:15,902 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:49:15" (1/1) ... [2019-09-10 02:49:15,905 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@562f51d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:49:15, skipping insertion in model container [2019-09-10 02:49:15,905 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:49:15" (1/1) ... [2019-09-10 02:49:15,913 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 02:49:15,974 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 02:49:16,433 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:49:16,451 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 02:49:16,532 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:49:16,570 INFO L192 MainTranslator]: Completed translation [2019-09-10 02:49:16,571 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:49:16 WrapperNode [2019-09-10 02:49:16,571 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 02:49:16,571 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 02:49:16,572 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 02:49:16,572 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 02:49:16,582 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:49:16" (1/1) ... [2019-09-10 02:49:16,582 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:49:16" (1/1) ... [2019-09-10 02:49:16,600 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:49:16" (1/1) ... [2019-09-10 02:49:16,601 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:49:16" (1/1) ... [2019-09-10 02:49:16,629 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:49:16" (1/1) ... [2019-09-10 02:49:16,639 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:49:16" (1/1) ... [2019-09-10 02:49:16,644 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:49:16" (1/1) ... [2019-09-10 02:49:16,651 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 02:49:16,651 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 02:49:16,652 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 02:49:16,652 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 02:49:16,652 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:49:16" (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 [2019-09-10 02:49:16,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 02:49:16,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 02:49:16,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-10 02:49:16,713 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-09-10 02:49:16,713 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-10 02:49:16,713 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-10 02:49:16,713 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-10 02:49:16,713 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-10 02:49:16,713 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 02:49:16,713 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-10 02:49:16,713 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-10 02:49:16,714 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-10 02:49:16,714 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-10 02:49:16,714 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-10 02:49:16,714 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-10 02:49:16,714 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-10 02:49:16,715 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-10 02:49:16,715 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-10 02:49:16,715 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-10 02:49:16,715 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-10 02:49:16,716 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-10 02:49:16,717 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2019-09-10 02:49:16,717 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-10 02:49:16,717 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-10 02:49:16,717 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-10 02:49:16,718 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-10 02:49:16,718 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-10 02:49:16,718 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-10 02:49:16,718 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-10 02:49:16,719 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-10 02:49:16,719 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-10 02:49:16,719 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-10 02:49:16,719 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-10 02:49:16,719 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-10 02:49:16,720 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-10 02:49:16,720 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-10 02:49:16,720 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 02:49:16,720 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 02:49:16,721 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-10 02:49:16,721 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-10 02:49:16,721 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-10 02:49:16,721 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-10 02:49:16,721 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-10 02:49:16,722 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-09-10 02:49:16,722 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-10 02:49:16,722 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-10 02:49:16,722 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-10 02:49:16,722 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-10 02:49:16,723 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-10 02:49:16,723 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-10 02:49:16,723 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-10 02:49:16,723 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-10 02:49:16,723 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-10 02:49:16,723 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-10 02:49:16,724 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-10 02:49:16,724 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-10 02:49:16,724 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 02:49:16,724 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-10 02:49:16,724 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-10 02:49:16,724 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-10 02:49:16,724 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-10 02:49:16,725 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-10 02:49:16,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-10 02:49:16,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-10 02:49:16,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 02:49:16,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-10 02:49:16,726 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-10 02:49:16,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 02:49:16,726 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-10 02:49:16,726 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-10 02:49:16,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 02:49:16,727 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-10 02:49:16,727 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-10 02:49:16,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 02:49:16,728 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-10 02:49:16,728 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-10 02:49:16,728 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-10 02:49:16,729 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-10 02:49:16,729 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-10 02:49:16,730 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-10 02:49:16,730 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-10 02:49:16,730 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2019-09-10 02:49:16,731 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-10 02:49:16,731 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 02:49:16,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-10 02:49:16,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 02:49:17,707 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 02:49:17,707 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-10 02:49:17,709 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:49:17 BoogieIcfgContainer [2019-09-10 02:49:17,709 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 02:49:17,710 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 02:49:17,711 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 02:49:17,714 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 02:49:17,715 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 02:49:15" (1/3) ... [2019-09-10 02:49:17,716 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@491ffeba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:49:17, skipping insertion in model container [2019-09-10 02:49:17,716 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:49:16" (2/3) ... [2019-09-10 02:49:17,716 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@491ffeba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:49:17, skipping insertion in model container [2019-09-10 02:49:17,716 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:49:17" (3/3) ... [2019-09-10 02:49:17,719 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product11.cil.c [2019-09-10 02:49:17,743 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 02:49:17,752 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 02:49:17,769 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 02:49:17,806 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 02:49:17,806 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 02:49:17,806 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 02:49:17,806 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 02:49:17,806 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 02:49:17,806 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 02:49:17,807 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 02:49:17,807 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 02:49:17,825 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states. [2019-09-10 02:49:17,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-09-10 02:49:17,838 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:49:17,839 INFO L399 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] [2019-09-10 02:49:17,842 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:49:17,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:49:17,848 INFO L82 PathProgramCache]: Analyzing trace with hash 789577792, now seen corresponding path program 1 times [2019-09-10 02:49:17,850 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:49:17,902 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:49:17,902 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:49:17,902 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:49:17,902 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:49:18,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:49:18,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 02:49:18,213 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:49:18,214 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-10 02:49:18,214 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:49:18,220 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 02:49:18,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 02:49:18,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:49:18,238 INFO L87 Difference]: Start difference. First operand 150 states. Second operand 2 states. [2019-09-10 02:49:18,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:49:18,267 INFO L93 Difference]: Finished difference Result 107 states and 123 transitions. [2019-09-10 02:49:18,267 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 02:49:18,269 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-09-10 02:49:18,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:49:18,280 INFO L225 Difference]: With dead ends: 107 [2019-09-10 02:49:18,280 INFO L226 Difference]: Without dead ends: 96 [2019-09-10 02:49:18,282 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:49:18,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2019-09-10 02:49:18,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2019-09-10 02:49:18,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2019-09-10 02:49:18,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 111 transitions. [2019-09-10 02:49:18,334 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 111 transitions. Word has length 52 [2019-09-10 02:49:18,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:49:18,335 INFO L475 AbstractCegarLoop]: Abstraction has 96 states and 111 transitions. [2019-09-10 02:49:18,335 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 02:49:18,335 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 111 transitions. [2019-09-10 02:49:18,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-09-10 02:49:18,338 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:49:18,339 INFO L399 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] [2019-09-10 02:49:18,339 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:49:18,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:49:18,340 INFO L82 PathProgramCache]: Analyzing trace with hash 86425602, now seen corresponding path program 1 times [2019-09-10 02:49:18,340 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:49:18,341 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:49:18,341 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:49:18,341 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:49:18,342 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:49:18,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:49:18,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 02:49:18,449 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:49:18,450 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:49:18,450 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:49:18,452 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:49:18,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:49:18,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:49:18,453 INFO L87 Difference]: Start difference. First operand 96 states and 111 transitions. Second operand 3 states. [2019-09-10 02:49:18,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:49:18,466 INFO L93 Difference]: Finished difference Result 87 states and 99 transitions. [2019-09-10 02:49:18,466 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:49:18,466 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-09-10 02:49:18,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:49:18,468 INFO L225 Difference]: With dead ends: 87 [2019-09-10 02:49:18,469 INFO L226 Difference]: Without dead ends: 87 [2019-09-10 02:49:18,470 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:49:18,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2019-09-10 02:49:18,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2019-09-10 02:49:18,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2019-09-10 02:49:18,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 99 transitions. [2019-09-10 02:49:18,480 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 99 transitions. Word has length 53 [2019-09-10 02:49:18,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:49:18,481 INFO L475 AbstractCegarLoop]: Abstraction has 87 states and 99 transitions. [2019-09-10 02:49:18,481 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:49:18,481 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 99 transitions. [2019-09-10 02:49:18,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-09-10 02:49:18,484 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:49:18,484 INFO L399 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] [2019-09-10 02:49:18,484 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:49:18,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:49:18,485 INFO L82 PathProgramCache]: Analyzing trace with hash -1920799428, now seen corresponding path program 1 times [2019-09-10 02:49:18,485 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:49:18,486 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:49:18,486 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:49:18,486 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:49:18,486 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:49:18,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:49:18,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 02:49:18,647 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:49:18,648 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-10 02:49:18,648 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:49:18,650 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-10 02:49:18,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-10 02:49:18,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-10 02:49:18,651 INFO L87 Difference]: Start difference. First operand 87 states and 99 transitions. Second operand 7 states. [2019-09-10 02:49:19,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:49:19,058 INFO L93 Difference]: Finished difference Result 206 states and 243 transitions. [2019-09-10 02:49:19,060 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-10 02:49:19,060 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2019-09-10 02:49:19,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:49:19,069 INFO L225 Difference]: With dead ends: 206 [2019-09-10 02:49:19,069 INFO L226 Difference]: Without dead ends: 206 [2019-09-10 02:49:19,070 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-09-10 02:49:19,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2019-09-10 02:49:19,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 186. [2019-09-10 02:49:19,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2019-09-10 02:49:19,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 221 transitions. [2019-09-10 02:49:19,128 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 221 transitions. Word has length 57 [2019-09-10 02:49:19,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:49:19,129 INFO L475 AbstractCegarLoop]: Abstraction has 186 states and 221 transitions. [2019-09-10 02:49:19,129 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-10 02:49:19,129 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 221 transitions. [2019-09-10 02:49:19,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-09-10 02:49:19,136 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:49:19,136 INFO L399 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] [2019-09-10 02:49:19,136 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:49:19,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:49:19,137 INFO L82 PathProgramCache]: Analyzing trace with hash 1032165772, now seen corresponding path program 1 times [2019-09-10 02:49:19,137 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:49:19,138 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:49:19,138 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:49:19,138 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:49:19,139 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:49:19,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:49:19,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 02:49:19,307 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:49:19,307 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-10 02:49:19,307 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:49:19,308 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-10 02:49:19,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-10 02:49:19,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-10 02:49:19,309 INFO L87 Difference]: Start difference. First operand 186 states and 221 transitions. Second operand 6 states. [2019-09-10 02:49:19,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:49:19,512 INFO L93 Difference]: Finished difference Result 321 states and 390 transitions. [2019-09-10 02:49:19,513 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-10 02:49:19,513 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 60 [2019-09-10 02:49:19,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:49:19,517 INFO L225 Difference]: With dead ends: 321 [2019-09-10 02:49:19,517 INFO L226 Difference]: Without dead ends: 321 [2019-09-10 02:49:19,517 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-10 02:49:19,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2019-09-10 02:49:19,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 315. [2019-09-10 02:49:19,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 315 states. [2019-09-10 02:49:19,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 384 transitions. [2019-09-10 02:49:19,558 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 384 transitions. Word has length 60 [2019-09-10 02:49:19,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:49:19,558 INFO L475 AbstractCegarLoop]: Abstraction has 315 states and 384 transitions. [2019-09-10 02:49:19,559 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-10 02:49:19,559 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 384 transitions. [2019-09-10 02:49:19,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-09-10 02:49:19,562 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:49:19,562 INFO L399 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] [2019-09-10 02:49:19,562 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:49:19,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:49:19,563 INFO L82 PathProgramCache]: Analyzing trace with hash -68424058, now seen corresponding path program 1 times [2019-09-10 02:49:19,563 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:49:19,564 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:49:19,564 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:49:19,564 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:49:19,564 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:49:19,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-10 02:49:20,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-10 02:49:20,321 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-09-10 02:49:20,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 02:49:20 BoogieIcfgContainer [2019-09-10 02:49:20,479 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 02:49:20,483 INFO L168 Benchmark]: Toolchain (without parser) took 4584.52 ms. Allocated memory was 132.6 MB in the beginning and 262.7 MB in the end (delta: 130.0 MB). Free memory was 87.5 MB in the beginning and 107.4 MB in the end (delta: -20.0 MB). Peak memory consumption was 110.1 MB. Max. memory is 7.1 GB. [2019-09-10 02:49:20,484 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 132.6 MB. Free memory was 107.2 MB in the beginning and 106.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-10 02:49:20,485 INFO L168 Benchmark]: CACSL2BoogieTranslator took 674.24 ms. Allocated memory was 132.6 MB in the beginning and 199.2 MB in the end (delta: 66.6 MB). Free memory was 87.3 MB in the beginning and 164.6 MB in the end (delta: -77.4 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB. [2019-09-10 02:49:20,486 INFO L168 Benchmark]: Boogie Preprocessor took 79.59 ms. Allocated memory is still 199.2 MB. Free memory was 164.6 MB in the beginning and 160.3 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-09-10 02:49:20,488 INFO L168 Benchmark]: RCFGBuilder took 1057.60 ms. Allocated memory is still 199.2 MB. Free memory was 160.3 MB in the beginning and 77.9 MB in the end (delta: 82.4 MB). Peak memory consumption was 82.4 MB. Max. memory is 7.1 GB. [2019-09-10 02:49:20,489 INFO L168 Benchmark]: TraceAbstraction took 2768.53 ms. Allocated memory was 199.2 MB in the beginning and 262.7 MB in the end (delta: 63.4 MB). Free memory was 77.9 MB in the beginning and 107.4 MB in the end (delta: -29.6 MB). Peak memory consumption was 33.9 MB. Max. memory is 7.1 GB. [2019-09-10 02:49:20,498 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 132.6 MB. Free memory was 107.2 MB in the beginning and 106.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 674.24 ms. Allocated memory was 132.6 MB in the beginning and 199.2 MB in the end (delta: 66.6 MB). Free memory was 87.3 MB in the beginning and 164.6 MB in the end (delta: -77.4 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 79.59 ms. Allocated memory is still 199.2 MB. Free memory was 164.6 MB in the beginning and 160.3 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1057.60 ms. Allocated memory is still 199.2 MB. Free memory was 160.3 MB in the beginning and 77.9 MB in the end (delta: 82.4 MB). Peak memory consumption was 82.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2768.53 ms. Allocated memory was 199.2 MB in the beginning and 262.7 MB in the end (delta: 63.4 MB). Free memory was 77.9 MB in the beginning and 107.4 MB in the end (delta: -29.6 MB). Peak memory consumption was 33.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 799]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L78] int cleanupTimeShifts = 4; [L386] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L588] int pumpRunning = 0; [L589] int systemActive = 1; [L804] int waterLevel = 1; [L805] int methaneLevelCritical = 0; [L159] int retValue_acc ; [L160] 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] [L164] 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] [L165] 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] [L166] 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] [L208] int retValue_acc ; [L211] retValue_acc = 1 [L212] 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] [L166] 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] [L166] tmp = valid_product() [L168] 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] [L170] 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] [L171] 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] [L150] 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] [L729] int splverifierCounter ; [L730] int tmp ; [L731] int tmp___0 ; [L732] int tmp___1 ; [L733] int tmp___2 ; [L736] 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] [L738] 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] [L740] 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] [L746] tmp = __VERIFIER_nondet_int() [L748] 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=10, waterLevel=1] [L750] 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] [L822] COND TRUE waterLevel < 2 [L823] 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] [L750] 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=10, waterLevel=2] [L756] tmp___0 = __VERIFIER_nondet_int() [L758] 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=10, tmp___0=0, waterLevel=2] [L766] tmp___2 = __VERIFIER_nondet_int() [L768] 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=10, tmp___0=0, tmp___2=8, waterLevel=2] [L783] 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] [L595] 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] [L602] 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] [L604] 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] [L610] 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] [L45] int tmp ; [L46] int tmp___0 ; [L47] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L51] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L843] int retValue_acc ; [L846] retValue_acc = methaneLevelCritical [L847] 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] [L51] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L51] tmp = isMethaneLevelCritical() [L53] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L57] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L875] int retValue_acc ; [L878] retValue_acc = waterLevel [L879] 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] [L57] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L57] tmp___0 = getWaterLevel() [L59] COND TRUE tmp___0 == 2 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L61] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L668] int retValue_acc ; [L671] retValue_acc = pumpRunning [L672] 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] [L61] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L61] tmp___1 = isPumpRunning() [L63] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L67] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L799] __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 36 procedures, 210 locations, 1 error locations. UNSAFE Result, 2.6s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 444 SDtfs, 208 SDslu, 877 SDs, 0 SdLazy, 200 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=315occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 26 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 286 NumberOfCodeBlocks, 286 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 218 ConstructedInterpolants, 0 QuantifiedInterpolants, 20012 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...