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_spec4_product44.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 02:50:18,665 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 02:50:18,667 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 02:50:18,679 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 02:50:18,680 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 02:50:18,681 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 02:50:18,682 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 02:50:18,684 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 02:50:18,688 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 02:50:18,696 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 02:50:18,697 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 02:50:18,701 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 02:50:18,702 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 02:50:18,703 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 02:50:18,704 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 02:50:18,705 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 02:50:18,708 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 02:50:18,710 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 02:50:18,715 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 02:50:18,719 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 02:50:18,720 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 02:50:18,723 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 02:50:18,726 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 02:50:18,726 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 02:50:18,728 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 02:50:18,729 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 02:50:18,729 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 02:50:18,731 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 02:50:18,733 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 02:50:18,735 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 02:50:18,735 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 02:50:18,737 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 02:50:18,738 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 02:50:18,739 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 02:50:18,742 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 02:50:18,743 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 02:50:18,743 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 02:50:18,744 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 02:50:18,744 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 02:50:18,745 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 02:50:18,746 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 02:50:18,747 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 02:50:18,773 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 02:50:18,774 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 02:50:18,774 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 02:50:18,774 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 02:50:18,775 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 02:50:18,775 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 02:50:18,775 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 02:50:18,776 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 02:50:18,776 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 02:50:18,776 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 02:50:18,777 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 02:50:18,777 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 02:50:18,777 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 02:50:18,777 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 02:50:18,778 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 02:50:18,778 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 02:50:18,778 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 02:50:18,778 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 02:50:18,778 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 02:50:18,779 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 02:50:18,779 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 02:50:18,779 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 02:50:18,779 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 02:50:18,779 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 02:50:18,780 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 02:50:18,780 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 02:50:18,780 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 02:50:18,780 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 02:50:18,780 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 02:50:18,781 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 02:50:18,826 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 02:50:18,844 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 02:50:18,849 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 02:50:18,850 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 02:50:18,851 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 02:50:18,852 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product44.cil.c [2019-09-10 02:50:18,934 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23c2db069/cefdb4cb789f49ae9d0d8349cba214c7/FLAG36b8295ed [2019-09-10 02:50:19,505 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 02:50:19,506 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product44.cil.c [2019-09-10 02:50:19,520 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23c2db069/cefdb4cb789f49ae9d0d8349cba214c7/FLAG36b8295ed [2019-09-10 02:50:19,869 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23c2db069/cefdb4cb789f49ae9d0d8349cba214c7 [2019-09-10 02:50:19,880 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 02:50:19,881 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 02:50:19,883 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 02:50:19,883 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 02:50:19,887 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 02:50:19,888 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:50:19" (1/1) ... [2019-09-10 02:50:19,891 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b2d8e08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:50:19, skipping insertion in model container [2019-09-10 02:50:19,891 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:50:19" (1/1) ... [2019-09-10 02:50:19,899 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 02:50:19,960 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 02:50:20,452 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:50:20,470 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 02:50:20,564 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:50:20,603 INFO L192 MainTranslator]: Completed translation [2019-09-10 02:50:20,603 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:50:20 WrapperNode [2019-09-10 02:50:20,604 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 02:50:20,604 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 02:50:20,604 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 02:50:20,604 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 02:50:20,615 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:50:20" (1/1) ... [2019-09-10 02:50:20,615 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:50:20" (1/1) ... [2019-09-10 02:50:20,634 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:50:20" (1/1) ... [2019-09-10 02:50:20,635 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:50:20" (1/1) ... [2019-09-10 02:50:20,663 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:50:20" (1/1) ... [2019-09-10 02:50:20,675 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:50:20" (1/1) ... [2019-09-10 02:50:20,680 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:50:20" (1/1) ... [2019-09-10 02:50:20,687 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 02:50:20,688 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 02:50:20,688 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 02:50:20,688 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 02:50:20,689 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:50:20" (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 02:50:20,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 02:50:20,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 02:50:20,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-10 02:50:20,751 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-10 02:50:20,751 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-10 02:50:20,751 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-10 02:50:20,751 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-10 02:50:20,752 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-10 02:50:20,752 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-10 02:50:20,752 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-10 02:50:20,752 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-10 02:50:20,752 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-10 02:50:20,753 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-10 02:50:20,753 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-10 02:50:20,753 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-10 02:50:20,753 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-10 02:50:20,754 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-10 02:50:20,754 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-10 02:50:20,754 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2019-09-10 02:50:20,754 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-10 02:50:20,754 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-10 02:50:20,755 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-10 02:50:20,755 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-10 02:50:20,755 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-10 02:50:20,755 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-10 02:50:20,755 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-10 02:50:20,755 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-10 02:50:20,756 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-10 02:50:20,756 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-10 02:50:20,756 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-10 02:50:20,756 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-10 02:50:20,756 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-10 02:50:20,757 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 02:50:20,757 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-10 02:50:20,757 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-10 02:50:20,757 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-10 02:50:20,757 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-10 02:50:20,758 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-10 02:50:20,758 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-10 02:50:20,758 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-10 02:50:20,758 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 02:50:20,758 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 02:50:20,758 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-10 02:50:20,759 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-10 02:50:20,759 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-10 02:50:20,759 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-10 02:50:20,759 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-10 02:50:20,759 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-10 02:50:20,759 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-10 02:50:20,759 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-10 02:50:20,760 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-10 02:50:20,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-10 02:50:20,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-10 02:50:20,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 02:50:20,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-10 02:50:20,760 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-10 02:50:20,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 02:50:20,761 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-10 02:50:20,761 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-10 02:50:20,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 02:50:20,761 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-10 02:50:20,761 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-10 02:50:20,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 02:50:20,762 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-10 02:50:20,762 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-10 02:50:20,762 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-10 02:50:20,762 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-10 02:50:20,762 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-10 02:50:20,763 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-10 02:50:20,763 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-10 02:50:20,763 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-10 02:50:20,763 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-10 02:50:20,763 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-10 02:50:20,763 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-10 02:50:20,763 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-10 02:50:20,764 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-10 02:50:20,764 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-10 02:50:20,764 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-10 02:50:20,764 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-10 02:50:20,764 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-10 02:50:20,764 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-10 02:50:20,765 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-10 02:50:20,765 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-10 02:50:20,765 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-10 02:50:20,765 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-10 02:50:20,765 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2019-09-10 02:50:20,765 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-10 02:50:20,766 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-10 02:50:20,766 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-10 02:50:20,766 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-10 02:50:20,766 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 02:50:20,766 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 02:50:20,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-10 02:50:20,767 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 02:50:21,852 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 02:50:21,852 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-10 02:50:21,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:50:21 BoogieIcfgContainer [2019-09-10 02:50:21,854 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 02:50:21,855 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 02:50:21,855 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 02:50:21,859 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 02:50:21,859 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 02:50:19" (1/3) ... [2019-09-10 02:50:21,860 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@791a3b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:50:21, skipping insertion in model container [2019-09-10 02:50:21,860 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:50:20" (2/3) ... [2019-09-10 02:50:21,861 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@791a3b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:50:21, skipping insertion in model container [2019-09-10 02:50:21,862 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:50:21" (3/3) ... [2019-09-10 02:50:21,864 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product44.cil.c [2019-09-10 02:50:21,874 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 02:50:21,884 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 02:50:21,901 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 02:50:21,938 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 02:50:21,938 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 02:50:21,938 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 02:50:21,938 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 02:50:21,939 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 02:50:21,939 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 02:50:21,939 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 02:50:21,939 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 02:50:21,969 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states. [2019-09-10 02:50:21,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-09-10 02:50:21,981 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:50:21,982 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] [2019-09-10 02:50:21,985 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:50:21,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:50:21,990 INFO L82 PathProgramCache]: Analyzing trace with hash -1915366745, now seen corresponding path program 1 times [2019-09-10 02:50:21,993 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:50:22,045 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:50:22,045 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:50:22,045 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:50:22,045 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:50:22,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:50:22,376 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 02:50:22,379 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:50:22,379 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-10 02:50:22,379 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:50:22,386 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 02:50:22,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 02:50:22,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:50:22,408 INFO L87 Difference]: Start difference. First operand 176 states. Second operand 2 states. [2019-09-10 02:50:22,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:50:22,457 INFO L93 Difference]: Finished difference Result 144 states and 165 transitions. [2019-09-10 02:50:22,457 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 02:50:22,458 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-09-10 02:50:22,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:50:22,472 INFO L225 Difference]: With dead ends: 144 [2019-09-10 02:50:22,473 INFO L226 Difference]: Without dead ends: 133 [2019-09-10 02:50:22,475 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 02:50:22,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2019-09-10 02:50:22,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2019-09-10 02:50:22,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2019-09-10 02:50:22,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 153 transitions. [2019-09-10 02:50:22,528 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 153 transitions. Word has length 46 [2019-09-10 02:50:22,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:50:22,529 INFO L475 AbstractCegarLoop]: Abstraction has 133 states and 153 transitions. [2019-09-10 02:50:22,529 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 02:50:22,529 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 153 transitions. [2019-09-10 02:50:22,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-09-10 02:50:22,532 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:50:22,533 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] [2019-09-10 02:50:22,533 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:50:22,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:50:22,534 INFO L82 PathProgramCache]: Analyzing trace with hash -868486899, now seen corresponding path program 1 times [2019-09-10 02:50:22,534 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:50:22,535 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:50:22,535 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:50:22,535 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:50:22,535 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:50:22,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:50:22,690 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 02:50:22,690 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:50:22,693 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:50:22,693 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:50:22,695 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:50:22,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:50:22,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:50:22,696 INFO L87 Difference]: Start difference. First operand 133 states and 153 transitions. Second operand 3 states. [2019-09-10 02:50:22,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:50:22,725 INFO L93 Difference]: Finished difference Result 124 states and 141 transitions. [2019-09-10 02:50:22,726 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:50:22,726 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-09-10 02:50:22,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:50:22,730 INFO L225 Difference]: With dead ends: 124 [2019-09-10 02:50:22,731 INFO L226 Difference]: Without dead ends: 124 [2019-09-10 02:50:22,732 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 02:50:22,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2019-09-10 02:50:22,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2019-09-10 02:50:22,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2019-09-10 02:50:22,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 141 transitions. [2019-09-10 02:50:22,756 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 141 transitions. Word has length 47 [2019-09-10 02:50:22,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:50:22,756 INFO L475 AbstractCegarLoop]: Abstraction has 124 states and 141 transitions. [2019-09-10 02:50:22,756 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:50:22,757 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 141 transitions. [2019-09-10 02:50:22,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-09-10 02:50:22,759 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:50:22,760 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 02:50:22,760 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:50:22,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:50:22,760 INFO L82 PathProgramCache]: Analyzing trace with hash -905097918, now seen corresponding path program 1 times [2019-09-10 02:50:22,761 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:50:22,762 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:50:22,762 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:50:22,762 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:50:22,762 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:50:22,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:50:22,963 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 02:50:22,964 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:50:22,964 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-10 02:50:22,964 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:50:22,965 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-10 02:50:22,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-10 02:50:22,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-10 02:50:22,965 INFO L87 Difference]: Start difference. First operand 124 states and 141 transitions. Second operand 7 states. [2019-09-10 02:50:23,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:50:23,397 INFO L93 Difference]: Finished difference Result 274 states and 322 transitions. [2019-09-10 02:50:23,397 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-10 02:50:23,397 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2019-09-10 02:50:23,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:50:23,401 INFO L225 Difference]: With dead ends: 274 [2019-09-10 02:50:23,402 INFO L226 Difference]: Without dead ends: 274 [2019-09-10 02:50:23,402 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 02:50:23,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2019-09-10 02:50:23,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 250. [2019-09-10 02:50:23,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 250 states. [2019-09-10 02:50:23,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 294 transitions. [2019-09-10 02:50:23,435 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 294 transitions. Word has length 52 [2019-09-10 02:50:23,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:50:23,436 INFO L475 AbstractCegarLoop]: Abstraction has 250 states and 294 transitions. [2019-09-10 02:50:23,436 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-10 02:50:23,436 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 294 transitions. [2019-09-10 02:50:23,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-09-10 02:50:23,439 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:50:23,440 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 02:50:23,440 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:50:23,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:50:23,441 INFO L82 PathProgramCache]: Analyzing trace with hash 1583600214, now seen corresponding path program 1 times [2019-09-10 02:50:23,441 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:50:23,442 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:50:23,442 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:50:23,442 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:50:23,442 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:50:23,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:50:23,640 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 02:50:23,640 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:50:23,640 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-09-10 02:50:23,640 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:50:23,641 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-09-10 02:50:23,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-09-10 02:50:23,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-09-10 02:50:23,642 INFO L87 Difference]: Start difference. First operand 250 states and 294 transitions. Second operand 10 states. [2019-09-10 02:50:24,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:50:24,407 INFO L93 Difference]: Finished difference Result 654 states and 803 transitions. [2019-09-10 02:50:24,409 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-09-10 02:50:24,409 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 57 [2019-09-10 02:50:24,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:50:24,422 INFO L225 Difference]: With dead ends: 654 [2019-09-10 02:50:24,422 INFO L226 Difference]: Without dead ends: 654 [2019-09-10 02:50:24,423 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2019-09-10 02:50:24,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 654 states. [2019-09-10 02:50:24,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 654 to 642. [2019-09-10 02:50:24,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 642 states. [2019-09-10 02:50:24,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 782 transitions. [2019-09-10 02:50:24,499 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 782 transitions. Word has length 57 [2019-09-10 02:50:24,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:50:24,500 INFO L475 AbstractCegarLoop]: Abstraction has 642 states and 782 transitions. [2019-09-10 02:50:24,501 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-09-10 02:50:24,505 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 782 transitions. [2019-09-10 02:50:24,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-09-10 02:50:24,516 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:50:24,518 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] [2019-09-10 02:50:24,518 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:50:24,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:50:24,519 INFO L82 PathProgramCache]: Analyzing trace with hash -436303684, now seen corresponding path program 1 times [2019-09-10 02:50:24,519 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:50:24,525 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:50:24,525 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:50:24,526 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:50:24,526 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:50:24,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:50:24,663 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 02:50:24,664 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:50:24,664 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-10 02:50:24,664 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:50:24,665 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-10 02:50:24,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-10 02:50:24,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-10 02:50:24,667 INFO L87 Difference]: Start difference. First operand 642 states and 782 transitions. Second operand 4 states. [2019-09-10 02:50:24,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:50:24,992 INFO L93 Difference]: Finished difference Result 1029 states and 1326 transitions. [2019-09-10 02:50:24,993 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-10 02:50:24,993 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 61 [2019-09-10 02:50:24,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:50:24,999 INFO L225 Difference]: With dead ends: 1029 [2019-09-10 02:50:25,000 INFO L226 Difference]: Without dead ends: 1029 [2019-09-10 02:50:25,000 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-09-10 02:50:25,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1029 states. [2019-09-10 02:50:25,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1029 to 915. [2019-09-10 02:50:25,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 915 states. [2019-09-10 02:50:25,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 915 states to 915 states and 1126 transitions. [2019-09-10 02:50:25,045 INFO L78 Accepts]: Start accepts. Automaton has 915 states and 1126 transitions. Word has length 61 [2019-09-10 02:50:25,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:50:25,046 INFO L475 AbstractCegarLoop]: Abstraction has 915 states and 1126 transitions. [2019-09-10 02:50:25,046 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-10 02:50:25,046 INFO L276 IsEmpty]: Start isEmpty. Operand 915 states and 1126 transitions. [2019-09-10 02:50:25,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-09-10 02:50:25,049 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:50:25,049 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:50:25,049 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:50:25,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:50:25,050 INFO L82 PathProgramCache]: Analyzing trace with hash 1209411089, now seen corresponding path program 1 times [2019-09-10 02:50:25,050 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:50:25,051 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:50:25,051 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:50:25,051 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:50:25,051 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:50:25,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:50:25,152 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-09-10 02:50:25,153 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 02:50:25,153 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-10 02:50:25,154 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 90 with the following transitions: [2019-09-10 02:50:25,157 INFO L207 CegarAbsIntRunner]: [50], [51], [52], [54], [57], [59], [62], [68], [70], [71], [75], [78], [107], [109], [110], [111], [153], [162], [166], [170], [173], [178], [184], [186], [192], [195], [198], [226], [227], [244], [251], [254], [294], [298], [299], [302], [303], [304], [399], [400], [410], [418], [419], [420], [421], [422], [424], [425], [426], [427], [428], [429], [430], [431], [432], [474], [475], [480], [481], [482], [483], [496], [497], [504], [512], [513], [514] [2019-09-10 02:50:25,200 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-10 02:50:25,201 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-10 02:50:25,284 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-10 02:50:25,286 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 68 root evaluator evaluations with a maximum evaluation depth of 0. Performed 68 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 126 variables. [2019-09-10 02:50:25,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:50:25,291 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-10 02:50:25,342 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-09-10 02:50:25,342 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-10 02:50:25,345 INFO L420 sIntCurrentIteration]: We unified 88 AI predicates to 88 [2019-09-10 02:50:25,346 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-10 02:50:25,348 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-10 02:50:25,348 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 7 [2019-09-10 02:50:25,348 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:50:25,348 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 02:50:25,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 02:50:25,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:50:25,349 INFO L87 Difference]: Start difference. First operand 915 states and 1126 transitions. Second operand 2 states. [2019-09-10 02:50:25,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:50:25,350 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-09-10 02:50:25,350 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 02:50:25,350 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 89 [2019-09-10 02:50:25,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:50:25,350 INFO L225 Difference]: With dead ends: 2 [2019-09-10 02:50:25,350 INFO L226 Difference]: Without dead ends: 0 [2019-09-10 02:50:25,351 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 88 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 02:50:25,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-10 02:50:25,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-10 02:50:25,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-10 02:50:25,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-10 02:50:25,352 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 89 [2019-09-10 02:50:25,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:50:25,352 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-10 02:50:25,352 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 02:50:25,352 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-10 02:50:25,353 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-10 02:50:25,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 02:50:25 BoogieIcfgContainer [2019-09-10 02:50:25,358 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 02:50:25,362 INFO L168 Benchmark]: Toolchain (without parser) took 5478.51 ms. Allocated memory was 134.2 MB in the beginning and 256.9 MB in the end (delta: 122.7 MB). Free memory was 87.5 MB in the beginning and 166.2 MB in the end (delta: -78.7 MB). Peak memory consumption was 44.0 MB. Max. memory is 7.1 GB. [2019-09-10 02:50:25,363 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 134.2 MB. Free memory is still 107.1 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-10 02:50:25,364 INFO L168 Benchmark]: CACSL2BoogieTranslator took 721.26 ms. Allocated memory was 134.2 MB in the beginning and 200.3 MB in the end (delta: 66.1 MB). Free memory was 87.1 MB in the beginning and 163.1 MB in the end (delta: -76.0 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. [2019-09-10 02:50:25,366 INFO L168 Benchmark]: Boogie Preprocessor took 83.32 ms. Allocated memory is still 200.3 MB. Free memory was 163.1 MB in the beginning and 158.8 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-09-10 02:50:25,368 INFO L168 Benchmark]: RCFGBuilder took 1166.06 ms. Allocated memory was 200.3 MB in the beginning and 227.5 MB in the end (delta: 27.3 MB). Free memory was 158.8 MB in the beginning and 191.8 MB in the end (delta: -33.0 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. [2019-09-10 02:50:25,369 INFO L168 Benchmark]: TraceAbstraction took 3502.99 ms. Allocated memory was 227.5 MB in the beginning and 256.9 MB in the end (delta: 29.4 MB). Free memory was 191.8 MB in the beginning and 166.2 MB in the end (delta: 25.6 MB). Peak memory consumption was 55.0 MB. Max. memory is 7.1 GB. [2019-09-10 02:50:25,378 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 134.2 MB. Free memory is still 107.1 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 721.26 ms. Allocated memory was 134.2 MB in the beginning and 200.3 MB in the end (delta: 66.1 MB). Free memory was 87.1 MB in the beginning and 163.1 MB in the end (delta: -76.0 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 83.32 ms. Allocated memory is still 200.3 MB. Free memory was 163.1 MB in the beginning and 158.8 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1166.06 ms. Allocated memory was 200.3 MB in the beginning and 227.5 MB in the end (delta: 27.3 MB). Free memory was 158.8 MB in the beginning and 191.8 MB in the end (delta: -33.0 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3502.99 ms. Allocated memory was 227.5 MB in the beginning and 256.9 MB in the end (delta: 29.4 MB). Free memory was 191.8 MB in the beginning and 166.2 MB in the end (delta: 25.6 MB). Peak memory consumption was 55.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 752]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 232 locations, 1 error locations. SAFE Result, 3.4s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 1.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 786 SDtfs, 630 SDslu, 1877 SDs, 0 SdLazy, 678 SolverSat, 130 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 140 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=915occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.1s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 1.0795454545454546 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 150 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 352 NumberOfCodeBlocks, 352 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 346 ConstructedInterpolants, 0 QuantifiedInterpolants, 43640 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 21/24 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...