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_product16.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:30:43,898 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:30:43,901 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:30:43,914 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:30:43,914 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:30:43,915 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:30:43,916 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:30:43,918 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:30:43,920 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:30:43,921 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:30:43,922 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:30:43,923 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:30:43,923 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:30:43,924 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:30:43,925 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:30:43,927 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:30:43,927 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:30:43,928 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:30:43,930 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:30:43,932 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:30:43,934 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:30:43,935 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:30:43,936 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:30:43,937 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:30:43,940 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 13:30:43,940 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 13:30:43,940 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 13:30:43,941 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 13:30:43,942 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 13:30:43,944 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 13:30:43,944 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:30:43,945 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:30:43,946 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:30:43,947 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:30:43,949 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:30:43,949 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:30:43,950 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:30:43,951 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:30:43,951 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:30:43,952 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:30:43,953 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:30:43,954 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 13:30:43,981 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:30:43,982 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:30:43,983 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-20 13:30:43,983 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-20 13:30:43,984 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-20 13:30:43,984 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-20 13:30:43,984 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-20 13:30:43,984 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-20 13:30:43,985 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-20 13:30:43,985 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-20 13:30:43,987 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:30:43,987 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:30:43,987 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:30:43,988 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:30:43,988 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:30:43,988 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:30:43,988 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:30:43,989 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:30:43,989 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:30:43,989 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:30:43,990 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:30:43,990 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-20 13:30:43,990 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:30:43,990 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:30:43,991 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:30:43,991 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:30:43,991 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-20 13:30:43,991 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:30:43,991 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:30:43,991 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-20 13:30:44,043 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:30:44,054 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:30:44,057 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:30:44,059 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:30:44,059 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:30:44,060 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product16.cil.c [2019-09-20 13:30:44,138 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b683f0b5d/ef34409219b44ddebc21188e6af7de49/FLAG4b2cf5651 [2019-09-20 13:30:44,700 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:30:44,701 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product16.cil.c [2019-09-20 13:30:44,721 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b683f0b5d/ef34409219b44ddebc21188e6af7de49/FLAG4b2cf5651 [2019-09-20 13:30:45,037 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b683f0b5d/ef34409219b44ddebc21188e6af7de49 [2019-09-20 13:30:45,046 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:30:45,048 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:30:45,049 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:30:45,049 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:30:45,053 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:30:45,054 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:30:45" (1/1) ... [2019-09-20 13:30:45,057 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a70dab8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:45, skipping insertion in model container [2019-09-20 13:30:45,058 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:30:45" (1/1) ... [2019-09-20 13:30:45,065 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:30:45,109 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:30:45,579 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:30:45,594 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:30:45,695 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:30:45,730 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:30:45,731 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:45 WrapperNode [2019-09-20 13:30:45,731 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:30:45,732 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:30:45,732 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:30:45,732 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:30:45,747 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:45" (1/1) ... [2019-09-20 13:30:45,748 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:45" (1/1) ... [2019-09-20 13:30:45,773 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:45" (1/1) ... [2019-09-20 13:30:45,774 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:45" (1/1) ... [2019-09-20 13:30:45,826 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:45" (1/1) ... [2019-09-20 13:30:45,842 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:45" (1/1) ... [2019-09-20 13:30:45,847 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:45" (1/1) ... [2019-09-20 13:30:45,857 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:30:45,858 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:30:45,858 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:30:45,863 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:30:45,864 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:45" (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 13:30:45,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:30:45,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:30:45,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 13:30:45,944 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 13:30:45,945 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 13:30:45,945 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 13:30:45,945 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 13:30:45,945 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 13:30:45,945 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 13:30:45,946 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 13:30:45,946 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 13:30:45,947 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 13:30:45,947 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 13:30:45,948 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 13:30:45,948 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 13:30:45,949 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 13:30:45,949 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 13:30:45,950 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 13:30:45,950 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 13:30:45,950 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 13:30:45,950 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 13:30:45,951 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 13:30:45,951 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 13:30:45,951 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:30:45,951 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 13:30:45,952 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 13:30:45,952 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-09-20 13:30:45,953 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 13:30:45,953 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2019-09-20 13:30:45,953 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 13:30:45,953 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 13:30:45,953 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 13:30:45,954 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 13:30:45,954 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 13:30:45,954 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-20 13:30:45,954 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-20 13:30:45,955 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-20 13:30:45,955 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 13:30:45,955 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:30:45,956 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:30:45,956 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 13:30:45,956 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 13:30:45,956 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 13:30:45,956 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 13:30:45,957 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 13:30:45,957 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 13:30:45,957 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 13:30:45,957 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 13:30:45,957 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 13:30:45,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 13:30:45,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 13:30:45,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 13:30:45,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 13:30:45,958 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 13:30:45,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:30:45,958 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 13:30:45,958 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 13:30:45,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 13:30:45,959 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 13:30:45,959 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 13:30:45,959 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:30:45,959 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 13:30:45,959 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 13:30:45,960 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 13:30:45,960 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 13:30:45,960 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 13:30:45,960 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 13:30:45,960 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 13:30:45,961 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 13:30:45,961 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 13:30:45,961 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 13:30:45,961 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 13:30:45,961 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 13:30:45,962 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 13:30:45,962 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 13:30:45,963 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:30:45,963 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 13:30:45,963 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 13:30:45,963 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 13:30:45,964 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 13:30:45,964 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-20 13:30:45,964 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-20 13:30:45,964 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-20 13:30:45,964 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 13:30:45,964 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-09-20 13:30:45,965 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 13:30:45,966 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2019-09-20 13:30:45,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:30:45,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 13:30:45,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:30:46,975 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:30:46,976 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 13:30:46,977 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:30:46 BoogieIcfgContainer [2019-09-20 13:30:46,977 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:30:46,979 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:30:46,979 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:30:46,982 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:30:46,983 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:30:45" (1/3) ... [2019-09-20 13:30:46,984 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fb62dce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:30:46, skipping insertion in model container [2019-09-20 13:30:46,984 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:45" (2/3) ... [2019-09-20 13:30:46,984 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fb62dce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:30:46, skipping insertion in model container [2019-09-20 13:30:46,984 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:30:46" (3/3) ... [2019-09-20 13:30:46,986 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product16.cil.c [2019-09-20 13:30:46,997 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:30:47,005 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 13:30:47,038 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 13:30:47,067 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:30:47,067 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-20 13:30:47,067 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:30:47,067 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:30:47,067 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:30:47,067 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:30:47,068 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:30:47,068 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:30:47,088 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states. [2019-09-20 13:30:47,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-09-20 13:30:47,102 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:30:47,103 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 13:30:47,106 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:30:47,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:30:47,112 INFO L82 PathProgramCache]: Analyzing trace with hash -1532249009, now seen corresponding path program 1 times [2019-09-20 13:30:47,114 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:30:47,172 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:47,173 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:30:47,174 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:47,174 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:30:47,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:30:47,508 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 13:30:47,511 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:30:47,511 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-20 13:30:47,511 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:30:47,517 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-20 13:30:47,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-20 13:30:47,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:30:47,535 INFO L87 Difference]: Start difference. First operand 163 states. Second operand 2 states. [2019-09-20 13:30:47,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:30:47,563 INFO L93 Difference]: Finished difference Result 123 states and 142 transitions. [2019-09-20 13:30:47,563 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-20 13:30:47,564 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-09-20 13:30:47,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:30:47,578 INFO L225 Difference]: With dead ends: 123 [2019-09-20 13:30:47,578 INFO L226 Difference]: Without dead ends: 112 [2019-09-20 13:30:47,580 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 13:30:47,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2019-09-20 13:30:47,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2019-09-20 13:30:47,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2019-09-20 13:30:47,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 130 transitions. [2019-09-20 13:30:47,630 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 130 transitions. Word has length 46 [2019-09-20 13:30:47,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:30:47,631 INFO L475 AbstractCegarLoop]: Abstraction has 112 states and 130 transitions. [2019-09-20 13:30:47,631 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-20 13:30:47,631 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 130 transitions. [2019-09-20 13:30:47,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-09-20 13:30:47,635 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:30:47,635 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 13:30:47,635 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:30:47,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:30:47,636 INFO L82 PathProgramCache]: Analyzing trace with hash -1264772962, now seen corresponding path program 1 times [2019-09-20 13:30:47,636 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:30:47,639 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:47,639 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:30:47,639 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:47,639 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:30:47,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:30:47,739 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 13:30:47,740 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:30:47,740 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:30:47,740 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:30:47,742 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:30:47,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:30:47,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:30:47,743 INFO L87 Difference]: Start difference. First operand 112 states and 130 transitions. Second operand 3 states. [2019-09-20 13:30:47,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:30:47,757 INFO L93 Difference]: Finished difference Result 103 states and 118 transitions. [2019-09-20 13:30:47,758 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:30:47,758 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-09-20 13:30:47,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:30:47,761 INFO L225 Difference]: With dead ends: 103 [2019-09-20 13:30:47,762 INFO L226 Difference]: Without dead ends: 103 [2019-09-20 13:30:47,764 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 13:30:47,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2019-09-20 13:30:47,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2019-09-20 13:30:47,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2019-09-20 13:30:47,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 118 transitions. [2019-09-20 13:30:47,785 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 118 transitions. Word has length 47 [2019-09-20 13:30:47,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:30:47,786 INFO L475 AbstractCegarLoop]: Abstraction has 103 states and 118 transitions. [2019-09-20 13:30:47,790 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:30:47,790 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 118 transitions. [2019-09-20 13:30:47,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-09-20 13:30:47,793 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:30:47,793 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 13:30:47,793 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:30:47,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:30:47,794 INFO L82 PathProgramCache]: Analyzing trace with hash 1057002583, now seen corresponding path program 1 times [2019-09-20 13:30:47,794 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:30:47,796 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:47,797 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:30:47,797 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:47,797 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:30:47,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:30:48,009 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 13:30:48,010 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:30:48,010 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-20 13:30:48,010 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:30:48,011 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-20 13:30:48,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-20 13:30:48,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:30:48,011 INFO L87 Difference]: Start difference. First operand 103 states and 118 transitions. Second operand 7 states. [2019-09-20 13:30:48,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:30:48,406 INFO L93 Difference]: Finished difference Result 232 states and 276 transitions. [2019-09-20 13:30:48,406 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-20 13:30:48,406 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2019-09-20 13:30:48,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:30:48,415 INFO L225 Difference]: With dead ends: 232 [2019-09-20 13:30:48,415 INFO L226 Difference]: Without dead ends: 232 [2019-09-20 13:30:48,416 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 13:30:48,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2019-09-20 13:30:48,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 220. [2019-09-20 13:30:48,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2019-09-20 13:30:48,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 264 transitions. [2019-09-20 13:30:48,475 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 264 transitions. Word has length 52 [2019-09-20 13:30:48,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:30:48,476 INFO L475 AbstractCegarLoop]: Abstraction has 220 states and 264 transitions. [2019-09-20 13:30:48,476 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-20 13:30:48,479 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 264 transitions. [2019-09-20 13:30:48,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-09-20 13:30:48,482 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:30:48,485 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 13:30:48,485 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:30:48,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:30:48,486 INFO L82 PathProgramCache]: Analyzing trace with hash -1843591259, now seen corresponding path program 1 times [2019-09-20 13:30:48,486 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:30:48,489 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:48,489 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:30:48,490 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:48,490 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:30:48,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:30:48,676 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 13:30:48,676 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:30:48,677 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-09-20 13:30:48,677 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:30:48,677 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-09-20 13:30:48,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-09-20 13:30:48,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-09-20 13:30:48,678 INFO L87 Difference]: Start difference. First operand 220 states and 264 transitions. Second operand 10 states. [2019-09-20 13:30:49,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:30:49,368 INFO L93 Difference]: Finished difference Result 564 states and 703 transitions. [2019-09-20 13:30:49,369 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-09-20 13:30:49,369 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 57 [2019-09-20 13:30:49,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:30:49,375 INFO L225 Difference]: With dead ends: 564 [2019-09-20 13:30:49,376 INFO L226 Difference]: Without dead ends: 564 [2019-09-20 13:30:49,376 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 13:30:49,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2019-09-20 13:30:49,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 552. [2019-09-20 13:30:49,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 552 states. [2019-09-20 13:30:49,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 552 states and 682 transitions. [2019-09-20 13:30:49,442 INFO L78 Accepts]: Start accepts. Automaton has 552 states and 682 transitions. Word has length 57 [2019-09-20 13:30:49,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:30:49,443 INFO L475 AbstractCegarLoop]: Abstraction has 552 states and 682 transitions. [2019-09-20 13:30:49,443 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-09-20 13:30:49,443 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 682 transitions. [2019-09-20 13:30:49,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-09-20 13:30:49,448 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:30:49,448 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 13:30:49,449 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:30:49,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:30:49,449 INFO L82 PathProgramCache]: Analyzing trace with hash -1600095125, now seen corresponding path program 1 times [2019-09-20 13:30:49,449 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:30:49,452 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:49,452 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:30:49,452 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:49,453 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:30:49,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:30:49,526 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 13:30:49,526 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:30:49,526 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-20 13:30:49,527 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:30:49,527 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-20 13:30:49,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-20 13:30:49,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-20 13:30:49,528 INFO L87 Difference]: Start difference. First operand 552 states and 682 transitions. Second operand 4 states. [2019-09-20 13:30:49,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:30:49,677 INFO L93 Difference]: Finished difference Result 408 states and 476 transitions. [2019-09-20 13:30:49,678 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-20 13:30:49,678 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 61 [2019-09-20 13:30:49,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:30:49,681 INFO L225 Difference]: With dead ends: 408 [2019-09-20 13:30:49,682 INFO L226 Difference]: Without dead ends: 408 [2019-09-20 13:30:49,682 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 13:30:49,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2019-09-20 13:30:49,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 396. [2019-09-20 13:30:49,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 396 states. [2019-09-20 13:30:49,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 458 transitions. [2019-09-20 13:30:49,700 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 458 transitions. Word has length 61 [2019-09-20 13:30:49,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:30:49,700 INFO L475 AbstractCegarLoop]: Abstraction has 396 states and 458 transitions. [2019-09-20 13:30:49,701 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-20 13:30:49,701 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 458 transitions. [2019-09-20 13:30:49,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-09-20 13:30:49,710 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:30:49,710 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 13:30:49,711 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:30:49,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:30:49,711 INFO L82 PathProgramCache]: Analyzing trace with hash -2108479595, now seen corresponding path program 1 times [2019-09-20 13:30:49,711 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:30:49,713 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:49,714 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:30:49,714 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:49,714 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:30:49,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:30:49,847 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 13:30:49,847 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:30:49,847 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-20 13:30:49,849 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 90 with the following transitions: [2019-09-20 13:30:49,851 INFO L207 CegarAbsIntRunner]: [50], [51], [52], [54], [57], [59], [62], [68], [70], [71], [75], [78], [107], [109], [110], [111], [146], [155], [159], [163], [166], [171], [177], [179], [185], [188], [191], [219], [220], [228], [235], [238], [276], [280], [281], [284], [288], [289], [382], [383], [393], [401], [402], [403], [404], [405], [407], [408], [409], [410], [411], [412], [413], [414], [415], [457], [458], [463], [464], [465], [466], [477], [478], [485], [493], [494], [495] [2019-09-20 13:30:49,898 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-20 13:30:49,899 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-20 13:30:49,990 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-20 13:30:49,992 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 13:30:49,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:30:49,997 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-20 13:30:50,054 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-09-20 13:30:50,054 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-20 13:30:50,058 INFO L420 sIntCurrentIteration]: We unified 88 AI predicates to 88 [2019-09-20 13:30:50,062 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-20 13:30:50,066 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:30:50,067 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 7 [2019-09-20 13:30:50,067 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:30:50,068 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-20 13:30:50,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-20 13:30:50,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:30:50,069 INFO L87 Difference]: Start difference. First operand 396 states and 458 transitions. Second operand 2 states. [2019-09-20 13:30:50,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:30:50,069 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-09-20 13:30:50,070 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-20 13:30:50,070 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 89 [2019-09-20 13:30:50,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:30:50,070 INFO L225 Difference]: With dead ends: 2 [2019-09-20 13:30:50,071 INFO L226 Difference]: Without dead ends: 0 [2019-09-20 13:30:50,071 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 13:30:50,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-20 13:30:50,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-20 13:30:50,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-20 13:30:50,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-20 13:30:50,072 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 89 [2019-09-20 13:30:50,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:30:50,073 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-20 13:30:50,073 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-20 13:30:50,073 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-20 13:30:50,073 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-20 13:30:50,079 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:30:50 BoogieIcfgContainer [2019-09-20 13:30:50,079 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-20 13:30:50,083 INFO L168 Benchmark]: Toolchain (without parser) took 5033.04 ms. Allocated memory was 137.9 MB in the beginning and 267.4 MB in the end (delta: 129.5 MB). Free memory was 84.5 MB in the beginning and 77.8 MB in the end (delta: 6.7 MB). Peak memory consumption was 136.2 MB. Max. memory is 7.1 GB. [2019-09-20 13:30:50,084 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 137.9 MB. Free memory was 104.0 MB in the beginning and 103.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 13:30:50,086 INFO L168 Benchmark]: CACSL2BoogieTranslator took 682.94 ms. Allocated memory was 137.9 MB in the beginning and 198.2 MB in the end (delta: 60.3 MB). Free memory was 84.3 MB in the beginning and 164.3 MB in the end (delta: -80.0 MB). Peak memory consumption was 22.1 MB. Max. memory is 7.1 GB. [2019-09-20 13:30:50,087 INFO L168 Benchmark]: Boogie Preprocessor took 125.45 ms. Allocated memory is still 198.2 MB. Free memory was 164.3 MB in the beginning and 160.4 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2019-09-20 13:30:50,089 INFO L168 Benchmark]: RCFGBuilder took 1119.70 ms. Allocated memory is still 198.2 MB. Free memory was 160.4 MB in the beginning and 75.6 MB in the end (delta: 84.8 MB). Peak memory consumption was 84.8 MB. Max. memory is 7.1 GB. [2019-09-20 13:30:50,091 INFO L168 Benchmark]: TraceAbstraction took 3100.33 ms. Allocated memory was 198.2 MB in the beginning and 267.4 MB in the end (delta: 69.2 MB). Free memory was 75.0 MB in the beginning and 77.8 MB in the end (delta: -2.8 MB). Peak memory consumption was 66.4 MB. Max. memory is 7.1 GB. [2019-09-20 13:30:50,099 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 137.9 MB. Free memory was 104.0 MB in the beginning and 103.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 682.94 ms. Allocated memory was 137.9 MB in the beginning and 198.2 MB in the end (delta: 60.3 MB). Free memory was 84.3 MB in the beginning and 164.3 MB in the end (delta: -80.0 MB). Peak memory consumption was 22.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 125.45 ms. Allocated memory is still 198.2 MB. Free memory was 164.3 MB in the beginning and 160.4 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1119.70 ms. Allocated memory is still 198.2 MB. Free memory was 160.4 MB in the beginning and 75.6 MB in the end (delta: 84.8 MB). Peak memory consumption was 84.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3100.33 ms. Allocated memory was 198.2 MB in the beginning and 267.4 MB in the end (delta: 69.2 MB). Free memory was 75.0 MB in the beginning and 77.8 MB in the end (delta: -2.8 MB). Peak memory consumption was 66.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 633]: 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 38 procedures, 221 locations, 1 error locations. SAFE Result, 3.0s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 1.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 632 SDtfs, 445 SDslu, 1465 SDs, 0 SdLazy, 487 SolverSat, 85 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, 0.6s 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...