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_product08.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:30:40,794 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:30:40,796 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:30:40,808 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:30:40,809 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:30:40,810 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:30:40,811 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:30:40,813 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:30:40,815 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:30:40,816 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:30:40,817 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:30:40,818 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:30:40,818 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:30:40,819 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:30:40,820 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:30:40,821 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:30:40,822 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:30:40,823 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:30:40,825 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:30:40,827 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:30:40,829 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:30:40,830 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:30:40,832 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:30:40,832 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:30:40,835 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 13:30:40,836 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 13:30:40,836 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 13:30:40,837 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 13:30:40,837 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 13:30:40,838 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 13:30:40,839 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:30:40,840 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:30:40,841 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:30:40,841 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:30:40,842 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:30:40,843 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:30:40,843 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:30:40,844 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:30:40,844 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:30:40,845 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:30:40,845 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:30:40,846 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 [2019-09-20 13:30:40,862 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:30:40,863 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:30:40,863 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-20 13:30:40,863 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-20 13:30:40,864 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-20 13:30:40,864 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-20 13:30:40,864 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-20 13:30:40,865 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-20 13:30:40,865 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-20 13:30:40,865 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-20 13:30:40,866 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:30:40,866 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:30:40,866 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:30:40,866 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:30:40,867 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:30:40,867 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:30:40,867 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:30:40,867 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:30:40,867 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:30:40,868 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:30:40,868 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:30:40,868 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-20 13:30:40,868 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:30:40,868 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:30:40,869 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:30:40,869 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:30:40,869 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-20 13:30:40,869 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:30:40,869 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:30:40,870 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-20 13:30:40,905 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:30:40,918 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:30:40,921 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:30:40,923 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:30:40,923 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:30:40,924 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product08.cil.c [2019-09-20 13:30:40,988 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71277068e/1ba07dfe0a4f40bdba3008ae09b1e9c7/FLAG108e9a916 [2019-09-20 13:30:41,489 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:30:41,490 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product08.cil.c [2019-09-20 13:30:41,500 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71277068e/1ba07dfe0a4f40bdba3008ae09b1e9c7/FLAG108e9a916 [2019-09-20 13:30:41,848 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71277068e/1ba07dfe0a4f40bdba3008ae09b1e9c7 [2019-09-20 13:30:41,859 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:30:41,864 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:30:41,865 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:30:41,865 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:30:41,869 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:30:41,870 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:30:41" (1/1) ... [2019-09-20 13:30:41,874 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a6da0b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:41, skipping insertion in model container [2019-09-20 13:30:41,874 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:30:41" (1/1) ... [2019-09-20 13:30:41,883 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:30:41,958 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:30:42,459 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:30:42,476 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:30:42,569 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:30:42,604 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:30:42,605 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:42 WrapperNode [2019-09-20 13:30:42,605 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:30:42,606 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:30:42,606 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:30:42,606 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:30:42,620 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:42" (1/1) ... [2019-09-20 13:30:42,621 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:42" (1/1) ... [2019-09-20 13:30:42,640 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:42" (1/1) ... [2019-09-20 13:30:42,641 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:42" (1/1) ... [2019-09-20 13:30:42,680 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:42" (1/1) ... [2019-09-20 13:30:42,690 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:42" (1/1) ... [2019-09-20 13:30:42,695 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:42" (1/1) ... [2019-09-20 13:30:42,702 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:30:42,703 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:30:42,703 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:30:42,703 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:30:42,704 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:42" (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 [2019-09-20 13:30:42,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:30:42,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:30:42,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 13:30:42,764 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 13:30:42,764 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 13:30:42,764 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 13:30:42,764 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 13:30:42,765 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 13:30:42,765 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 13:30:42,766 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 13:30:42,766 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 13:30:42,766 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 13:30:42,767 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 13:30:42,767 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 13:30:42,768 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 13:30:42,768 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 13:30:42,769 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 13:30:42,769 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:30:42,769 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 13:30:42,770 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 13:30:42,770 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 13:30:42,770 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 13:30:42,770 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 13:30:42,770 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 13:30:42,770 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-20 13:30:42,771 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 13:30:42,771 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 13:30:42,772 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 13:30:42,772 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 13:30:42,772 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 13:30:42,772 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 13:30:42,772 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 13:30:42,773 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 13:30:42,773 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-20 13:30:42,773 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-20 13:30:42,773 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 13:30:42,773 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 13:30:42,773 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:30:42,773 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:30:42,774 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 13:30:42,774 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 13:30:42,774 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 13:30:42,774 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 13:30:42,774 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 13:30:42,774 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 13:30:42,775 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 13:30:42,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:30:42,775 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 13:30:42,775 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 13:30:42,776 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 13:30:42,776 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 13:30:42,776 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 13:30:42,776 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 13:30:42,776 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 13:30:42,776 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 13:30:42,777 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 13:30:42,777 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 13:30:42,777 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 13:30:42,777 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:30:42,777 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 13:30:42,778 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 13:30:42,778 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 13:30:42,778 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 13:30:42,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 13:30:42,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 13:30:42,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 13:30:42,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 13:30:42,779 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 13:30:42,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:30:42,779 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 13:30:42,779 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 13:30:42,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 13:30:42,780 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 13:30:42,781 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 13:30:42,781 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 13:30:42,781 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 13:30:42,781 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 13:30:42,781 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-20 13:30:42,781 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 13:30:42,783 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 13:30:42,783 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-20 13:30:42,783 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-20 13:30:42,783 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 13:30:42,783 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 13:30:42,783 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 13:30:42,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:30:42,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 13:30:42,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:30:43,949 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:30:43,950 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 13:30:43,951 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:30:43 BoogieIcfgContainer [2019-09-20 13:30:43,951 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:30:43,953 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:30:43,953 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:30:43,956 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:30:43,957 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:30:41" (1/3) ... [2019-09-20 13:30:43,958 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67c58772 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:30:43, skipping insertion in model container [2019-09-20 13:30:43,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:42" (2/3) ... [2019-09-20 13:30:43,959 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67c58772 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:30:43, skipping insertion in model container [2019-09-20 13:30:43,959 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:30:43" (3/3) ... [2019-09-20 13:30:43,961 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product08.cil.c [2019-09-20 13:30:43,972 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:30:43,983 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 13:30:44,001 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 13:30:44,029 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:30:44,029 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-20 13:30:44,029 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:30:44,029 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:30:44,030 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:30:44,030 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:30:44,030 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:30:44,030 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:30:44,051 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states. [2019-09-20 13:30:44,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-09-20 13:30:44,064 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:30:44,065 INFO L407 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] [2019-09-20 13:30:44,068 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:30:44,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:30:44,074 INFO L82 PathProgramCache]: Analyzing trace with hash 232346821, now seen corresponding path program 1 times [2019-09-20 13:30:44,077 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:30:44,138 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:44,139 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:30:44,139 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:44,139 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:30:44,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:30:44,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:30:44,460 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:30:44,461 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-20 13:30:44,461 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:30:44,466 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-20 13:30:44,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-20 13:30:44,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:30:44,484 INFO L87 Difference]: Start difference. First operand 155 states. Second operand 2 states. [2019-09-20 13:30:44,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:30:44,519 INFO L93 Difference]: Finished difference Result 123 states and 142 transitions. [2019-09-20 13:30:44,519 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-20 13:30:44,521 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-09-20 13:30:44,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:30:44,537 INFO L225 Difference]: With dead ends: 123 [2019-09-20 13:30:44,540 INFO L226 Difference]: Without dead ends: 112 [2019-09-20 13:30:44,545 INFO L636 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 [2019-09-20 13:30:44,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2019-09-20 13:30:44,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2019-09-20 13:30:44,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2019-09-20 13:30:44,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 130 transitions. [2019-09-20 13:30:44,594 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 130 transitions. Word has length 46 [2019-09-20 13:30:44,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:30:44,594 INFO L475 AbstractCegarLoop]: Abstraction has 112 states and 130 transitions. [2019-09-20 13:30:44,594 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-20 13:30:44,595 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 130 transitions. [2019-09-20 13:30:44,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-09-20 13:30:44,598 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:30:44,598 INFO L407 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] [2019-09-20 13:30:44,598 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:30:44,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:30:44,599 INFO L82 PathProgramCache]: Analyzing trace with hash -1830481593, now seen corresponding path program 1 times [2019-09-20 13:30:44,599 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:30:44,601 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:44,601 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:30:44,601 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:44,602 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:30:44,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:30:44,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:30:44,721 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:30:44,722 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:30:44,722 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:30:44,724 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:30:44,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:30:44,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:30:44,724 INFO L87 Difference]: Start difference. First operand 112 states and 130 transitions. Second operand 3 states. [2019-09-20 13:30:44,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:30:44,738 INFO L93 Difference]: Finished difference Result 103 states and 118 transitions. [2019-09-20 13:30:44,739 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:30:44,739 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-09-20 13:30:44,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:30:44,741 INFO L225 Difference]: With dead ends: 103 [2019-09-20 13:30:44,741 INFO L226 Difference]: Without dead ends: 103 [2019-09-20 13:30:44,742 INFO L636 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 [2019-09-20 13:30:44,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2019-09-20 13:30:44,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2019-09-20 13:30:44,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2019-09-20 13:30:44,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 118 transitions. [2019-09-20 13:30:44,753 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 118 transitions. Word has length 47 [2019-09-20 13:30:44,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:30:44,754 INFO L475 AbstractCegarLoop]: Abstraction has 103 states and 118 transitions. [2019-09-20 13:30:44,754 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:30:44,754 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 118 transitions. [2019-09-20 13:30:44,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-09-20 13:30:44,756 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:30:44,756 INFO L407 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] [2019-09-20 13:30:44,757 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:30:44,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:30:44,757 INFO L82 PathProgramCache]: Analyzing trace with hash -1249539500, now seen corresponding path program 1 times [2019-09-20 13:30:44,757 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:30:44,759 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:44,760 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:30:44,760 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:44,760 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:30:44,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:30:44,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:30:44,945 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:30:44,945 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-20 13:30:44,945 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:30:44,946 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-20 13:30:44,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-20 13:30:44,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:30:44,947 INFO L87 Difference]: Start difference. First operand 103 states and 118 transitions. Second operand 7 states. [2019-09-20 13:30:45,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:30:45,438 INFO L93 Difference]: Finished difference Result 232 states and 276 transitions. [2019-09-20 13:30:45,439 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-20 13:30:45,439 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2019-09-20 13:30:45,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:30:45,444 INFO L225 Difference]: With dead ends: 232 [2019-09-20 13:30:45,445 INFO L226 Difference]: Without dead ends: 232 [2019-09-20 13:30:45,447 INFO L636 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 [2019-09-20 13:30:45,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2019-09-20 13:30:45,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 220. [2019-09-20 13:30:45,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2019-09-20 13:30:45,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 264 transitions. [2019-09-20 13:30:45,513 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 264 transitions. Word has length 52 [2019-09-20 13:30:45,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:30:45,514 INFO L475 AbstractCegarLoop]: Abstraction has 220 states and 264 transitions. [2019-09-20 13:30:45,514 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-20 13:30:45,514 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 264 transitions. [2019-09-20 13:30:45,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-09-20 13:30:45,521 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:30:45,521 INFO L407 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] [2019-09-20 13:30:45,523 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:30:45,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:30:45,524 INFO L82 PathProgramCache]: Analyzing trace with hash 1248876172, now seen corresponding path program 1 times [2019-09-20 13:30:45,524 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:30:45,529 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:45,530 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:30:45,530 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:45,530 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:30:45,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:30:45,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:30:45,775 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:30:45,775 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-09-20 13:30:45,775 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:30:45,776 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-09-20 13:30:45,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-09-20 13:30:45,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-09-20 13:30:45,778 INFO L87 Difference]: Start difference. First operand 220 states and 264 transitions. Second operand 10 states. [2019-09-20 13:30:46,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:30:46,401 INFO L93 Difference]: Finished difference Result 564 states and 703 transitions. [2019-09-20 13:30:46,402 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-09-20 13:30:46,402 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 57 [2019-09-20 13:30:46,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:30:46,409 INFO L225 Difference]: With dead ends: 564 [2019-09-20 13:30:46,409 INFO L226 Difference]: Without dead ends: 564 [2019-09-20 13:30:46,409 INFO L636 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 [2019-09-20 13:30:46,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2019-09-20 13:30:46,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 552. [2019-09-20 13:30:46,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 552 states. [2019-09-20 13:30:46,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 552 states and 682 transitions. [2019-09-20 13:30:46,477 INFO L78 Accepts]: Start accepts. Automaton has 552 states and 682 transitions. Word has length 57 [2019-09-20 13:30:46,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:30:46,479 INFO L475 AbstractCegarLoop]: Abstraction has 552 states and 682 transitions. [2019-09-20 13:30:46,479 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-09-20 13:30:46,479 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 682 transitions. [2019-09-20 13:30:46,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-09-20 13:30:46,487 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:30:46,487 INFO L407 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] [2019-09-20 13:30:46,487 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:30:46,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:30:46,488 INFO L82 PathProgramCache]: Analyzing trace with hash -1908801166, now seen corresponding path program 1 times [2019-09-20 13:30:46,491 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:30:46,494 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:46,494 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:30:46,494 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:46,501 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:30:46,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:30:46,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:30:46,634 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:30:46,634 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-20 13:30:46,634 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:30:46,634 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-20 13:30:46,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-20 13:30:46,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-20 13:30:46,635 INFO L87 Difference]: Start difference. First operand 552 states and 682 transitions. Second operand 4 states. [2019-09-20 13:30:46,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:30:46,781 INFO L93 Difference]: Finished difference Result 408 states and 476 transitions. [2019-09-20 13:30:46,781 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-20 13:30:46,782 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 61 [2019-09-20 13:30:46,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:30:46,785 INFO L225 Difference]: With dead ends: 408 [2019-09-20 13:30:46,785 INFO L226 Difference]: Without dead ends: 408 [2019-09-20 13:30:46,785 INFO L636 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 [2019-09-20 13:30:46,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2019-09-20 13:30:46,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 396. [2019-09-20 13:30:46,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 396 states. [2019-09-20 13:30:46,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 458 transitions. [2019-09-20 13:30:46,803 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 458 transitions. Word has length 61 [2019-09-20 13:30:46,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:30:46,803 INFO L475 AbstractCegarLoop]: Abstraction has 396 states and 458 transitions. [2019-09-20 13:30:46,803 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-20 13:30:46,803 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 458 transitions. [2019-09-20 13:30:46,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-09-20 13:30:46,806 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:30:46,806 INFO L407 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] [2019-09-20 13:30:46,806 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:30:46,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:30:46,807 INFO L82 PathProgramCache]: Analyzing trace with hash 264696333, now seen corresponding path program 1 times [2019-09-20 13:30:46,807 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:30:46,809 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:46,810 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:30:46,810 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:46,810 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:30:46,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:30:46,962 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-09-20 13:30:46,962 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:30:46,962 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-20 13:30:46,964 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 90 with the following transitions: [2019-09-20 13:30:46,966 INFO L207 CegarAbsIntRunner]: [50], [51], [52], [54], [57], [59], [62], [68], [70], [71], [75], [78], [107], [109], [110], [111], [147], [156], [160], [164], [167], [172], [178], [180], [186], [189], [192], [211], [212], [220], [227], [230], [268], [272], [273], [276], [277], [278], [371], [372], [382], [390], [391], [392], [393], [394], [396], [397], [398], [399], [400], [401], [402], [403], [404], [446], [447], [452], [453], [454], [455], [462], [463], [470], [478], [479], [480] [2019-09-20 13:30:47,014 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-20 13:30:47,016 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-20 13:30:47,088 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-20 13:30:47,089 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. [2019-09-20 13:30:47,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:30:47,093 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-20 13:30:47,136 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-09-20 13:30:47,136 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-20 13:30:47,139 INFO L420 sIntCurrentIteration]: We unified 88 AI predicates to 88 [2019-09-20 13:30:47,140 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-20 13:30:47,140 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:30:47,141 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 7 [2019-09-20 13:30:47,141 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:30:47,141 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-20 13:30:47,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-20 13:30:47,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:30:47,142 INFO L87 Difference]: Start difference. First operand 396 states and 458 transitions. Second operand 2 states. [2019-09-20 13:30:47,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:30:47,143 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-09-20 13:30:47,143 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-20 13:30:47,143 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 89 [2019-09-20 13:30:47,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:30:47,143 INFO L225 Difference]: With dead ends: 2 [2019-09-20 13:30:47,144 INFO L226 Difference]: Without dead ends: 0 [2019-09-20 13:30:47,144 INFO L636 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 [2019-09-20 13:30:47,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-20 13:30:47,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-20 13:30:47,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-20 13:30:47,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-20 13:30:47,145 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 89 [2019-09-20 13:30:47,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:30:47,145 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-20 13:30:47,145 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-20 13:30:47,145 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-20 13:30:47,146 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-20 13:30:47,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:30:47 BoogieIcfgContainer [2019-09-20 13:30:47,151 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-20 13:30:47,153 INFO L168 Benchmark]: Toolchain (without parser) took 5291.24 ms. Allocated memory was 133.7 MB in the beginning and 257.4 MB in the end (delta: 123.7 MB). Free memory was 87.7 MB in the beginning and 204.3 MB in the end (delta: -116.7 MB). Peak memory consumption was 7.1 MB. Max. memory is 7.1 GB. [2019-09-20 13:30:47,154 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 133.7 MB. Free memory was 107.8 MB in the beginning and 107.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 13:30:47,155 INFO L168 Benchmark]: CACSL2BoogieTranslator took 740.36 ms. Allocated memory was 133.7 MB in the beginning and 201.9 MB in the end (delta: 68.2 MB). Free memory was 87.5 MB in the beginning and 166.5 MB in the end (delta: -79.1 MB). Peak memory consumption was 26.2 MB. Max. memory is 7.1 GB. [2019-09-20 13:30:47,156 INFO L168 Benchmark]: Boogie Preprocessor took 96.44 ms. Allocated memory is still 201.9 MB. Free memory was 166.5 MB in the beginning and 162.9 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. [2019-09-20 13:30:47,157 INFO L168 Benchmark]: RCFGBuilder took 1249.05 ms. Allocated memory was 201.9 MB in the beginning and 228.1 MB in the end (delta: 26.2 MB). Free memory was 162.9 MB in the beginning and 195.8 MB in the end (delta: -32.9 MB). Peak memory consumption was 88.3 MB. Max. memory is 7.1 GB. [2019-09-20 13:30:47,158 INFO L168 Benchmark]: TraceAbstraction took 3197.66 ms. Allocated memory was 228.1 MB in the beginning and 257.4 MB in the end (delta: 29.4 MB). Free memory was 195.8 MB in the beginning and 204.3 MB in the end (delta: -8.6 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB. [2019-09-20 13:30:47,163 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 133.7 MB. Free memory was 107.8 MB in the beginning and 107.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 740.36 ms. Allocated memory was 133.7 MB in the beginning and 201.9 MB in the end (delta: 68.2 MB). Free memory was 87.5 MB in the beginning and 166.5 MB in the end (delta: -79.1 MB). Peak memory consumption was 26.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 96.44 ms. Allocated memory is still 201.9 MB. Free memory was 166.5 MB in the beginning and 162.9 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1249.05 ms. Allocated memory was 201.9 MB in the beginning and 228.1 MB in the end (delta: 26.2 MB). Free memory was 162.9 MB in the beginning and 195.8 MB in the end (delta: -32.9 MB). Peak memory consumption was 88.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3197.66 ms. Allocated memory was 228.1 MB in the beginning and 257.4 MB in the end (delta: 29.4 MB). Free memory was 195.8 MB in the beginning and 204.3 MB in the end (delta: -8.6 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 890]: 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 37 procedures, 214 locations, 1 error locations. SAFE Result, 3.1s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 1.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 632 SDtfs, 537 SDslu, 1372 SDs, 0 SdLazy, 483 SolverSat, 158 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s 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=552occurred in iteration=4, 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: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 36 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...