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_product15.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 13:30:43,900 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:30:43,912 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:30:43,913 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:30:43,914 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:30:43,915 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:30:43,917 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:30:43,919 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:30:43,920 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:30:43,921 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 13:30:43,926 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 13:30:43,935 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:30:43,936 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:30:43,938 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:30:43,939 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:30:43,940 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:30:43,942 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 13:30:43,942 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 13:30:43,943 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 13:30:43,944 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 13:30:43,944 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 13:30:43,945 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 13:30:43,945 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:30:43,946 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:30:43,947 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:30:43,948 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 13:30:43,950 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:30:43,950 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:30:43,951 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:30:43,952 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:30:43,953 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 13:30:43,975 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:30:43,975 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:30:43,976 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-20 13:30:43,976 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-20 13:30:43,977 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-20 13:30:43,977 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-20 13:30:43,977 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-20 13:30:43,977 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-20 13:30:43,978 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-20 13:30:43,978 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-20 13:30:43,980 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:30:43,981 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:30:43,981 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:30:43,981 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:30:43,981 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:30:43,982 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:30:43,982 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:30:43,982 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:30:43,982 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:30:43,983 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:30:43,983 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:30:43,983 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-20 13:30:43,983 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:30:43,984 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:30:43,984 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:30:43,984 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:30:43,984 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-20 13:30:43,985 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:30:43,985 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:30:43,985 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-20 13:30:44,032 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:30:44,045 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:30:44,048 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:30:44,050 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:30:44,050 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:30:44,051 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product15.cil.c [2019-09-20 13:30:44,129 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ff2e5572/b3f053817f314ec9b4c16605cc57e9e7/FLAG553a4c6e5 [2019-09-20 13:30:44,622 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:30:44,623 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product15.cil.c [2019-09-20 13:30:44,642 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ff2e5572/b3f053817f314ec9b4c16605cc57e9e7/FLAG553a4c6e5 [2019-09-20 13:30:44,911 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ff2e5572/b3f053817f314ec9b4c16605cc57e9e7 [2019-09-20 13:30:44,920 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:30:44,922 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:30:44,925 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:30:44,925 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:30:44,929 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:30:44,930 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:30:44" (1/1) ... [2019-09-20 13:30:44,934 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fe97291 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:44, skipping insertion in model container [2019-09-20 13:30:44,934 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:30:44" (1/1) ... [2019-09-20 13:30:44,942 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:30:44,997 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:30:45,520 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:30:45,534 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:30:45,644 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:30:45,686 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:30:45,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:45 WrapperNode [2019-09-20 13:30:45,687 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:30:45,688 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:30:45,688 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:30:45,688 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:30:45,701 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 13:30:45,701 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 13:30:45,725 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 13:30:45,725 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 13:30:45,759 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 13:30:45,769 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 13:30:45,774 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 13:30:45,783 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:30:45,783 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:30:45,783 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:30:45,784 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:30:45,785 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 13:30:45,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:30:45,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:30:45,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 13:30:45,867 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 13:30:45,868 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 13:30:45,868 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 13:30:45,868 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 13:30:45,868 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 13:30:45,869 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 13:30:45,869 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 13:30:45,869 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-09-20 13:30:45,870 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 13:30:45,870 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2019-09-20 13:30:45,871 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 13:30:45,871 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 13:30:45,872 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 13:30:45,872 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 13:30:45,873 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 13:30:45,873 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-20 13:30:45,873 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 13:30:45,873 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 13:30:45,874 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 13:30:45,874 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 13:30:45,874 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 13:30:45,874 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 13:30:45,875 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 13:30:45,875 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 13:30:45,875 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 13:30:45,875 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 13:30:45,876 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 13:30:45,876 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 13:30:45,876 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 13:30:45,876 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 13:30:45,876 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 13:30:45,876 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 13:30:45,877 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:30:45,877 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-20 13:30:45,877 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:30:45,878 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:30:45,878 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 13:30:45,878 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 13:30:45,878 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 13:30:45,878 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 13:30:45,879 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 13:30:45,879 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 13:30:45,879 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 13:30:45,879 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 13:30:45,879 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-20 13:30:45,879 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 13:30:45,880 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 13:30:45,880 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 13:30:45,880 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 13:30:45,880 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 13:30:45,880 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 13:30:45,880 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 13:30:45,880 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 13:30:45,881 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 13:30:45,881 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 13:30:45,881 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-20 13:30:45,881 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 13:30:45,881 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-09-20 13:30:45,881 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 13:30:45,881 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2019-09-20 13:30:45,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:30:45,882 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 13:30:45,882 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 13:30:45,882 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 13:30:45,883 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 13:30:45,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 13:30:45,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 13:30:45,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 13:30:45,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 13:30:45,884 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 13:30:45,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:30:45,885 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 13:30:45,885 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 13:30:45,885 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 13:30:45,885 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 13:30:45,885 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 13:30:45,886 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 13:30:45,886 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 13:30:45,886 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 13:30:45,886 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 13:30:45,887 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 13:30:45,887 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:30:45,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:30:45,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 13:30:45,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:30:46,994 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:30:46,994 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 13:30:46,996 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:30:46 BoogieIcfgContainer [2019-09-20 13:30:46,996 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:30:47,000 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:30:47,000 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:30:47,004 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:30:47,005 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:30:44" (1/3) ... [2019-09-20 13:30:47,006 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c7500a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:30:47, skipping insertion in model container [2019-09-20 13:30:47,006 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 13:30:47,006 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c7500a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:30:47, skipping insertion in model container [2019-09-20 13:30:47,007 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 13:30:47,008 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product15.cil.c [2019-09-20 13:30:47,019 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:30:47,028 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 13:30:47,046 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 13:30:47,091 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:30:47,091 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-20 13:30:47,091 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:30:47,091 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:30:47,091 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:30:47,092 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:30:47,092 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:30:47,092 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:30:47,113 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states. [2019-09-20 13:30:47,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-09-20 13:30:47,127 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:30:47,128 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 13:30:47,130 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:30:47,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:30:47,136 INFO L82 PathProgramCache]: Analyzing trace with hash 143568661, now seen corresponding path program 1 times [2019-09-20 13:30:47,138 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:30:47,192 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:47,192 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:30:47,192 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:47,192 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:30:47,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:30:47,537 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 13:30:47,540 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:30:47,540 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-20 13:30:47,540 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:30:47,546 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-20 13:30:47,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-20 13:30:47,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:30:47,563 INFO L87 Difference]: Start difference. First operand 159 states. Second operand 2 states. [2019-09-20 13:30:47,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:30:47,591 INFO L93 Difference]: Finished difference Result 119 states and 138 transitions. [2019-09-20 13:30:47,591 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-20 13:30:47,593 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-09-20 13:30:47,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:30:47,605 INFO L225 Difference]: With dead ends: 119 [2019-09-20 13:30:47,605 INFO L226 Difference]: Without dead ends: 108 [2019-09-20 13:30:47,607 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 13:30:47,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2019-09-20 13:30:47,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2019-09-20 13:30:47,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2019-09-20 13:30:47,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 126 transitions. [2019-09-20 13:30:47,658 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 126 transitions. Word has length 46 [2019-09-20 13:30:47,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:30:47,658 INFO L475 AbstractCegarLoop]: Abstraction has 108 states and 126 transitions. [2019-09-20 13:30:47,659 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-20 13:30:47,659 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 126 transitions. [2019-09-20 13:30:47,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-09-20 13:30:47,662 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:30:47,662 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 13:30:47,662 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:30:47,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:30:47,663 INFO L82 PathProgramCache]: Analyzing trace with hash 1665995157, now seen corresponding path program 1 times [2019-09-20 13:30:47,663 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:30:47,666 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:47,666 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:30:47,666 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:47,667 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:30:47,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:30:47,792 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 13:30:47,792 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:30:47,793 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:30:47,793 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:30:47,795 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:30:47,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:30:47,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:30:47,797 INFO L87 Difference]: Start difference. First operand 108 states and 126 transitions. Second operand 3 states. [2019-09-20 13:30:47,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:30:47,822 INFO L93 Difference]: Finished difference Result 99 states and 114 transitions. [2019-09-20 13:30:47,822 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:30:47,822 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-09-20 13:30:47,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:30:47,827 INFO L225 Difference]: With dead ends: 99 [2019-09-20 13:30:47,827 INFO L226 Difference]: Without dead ends: 99 [2019-09-20 13:30:47,828 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 13:30:47,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2019-09-20 13:30:47,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2019-09-20 13:30:47,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2019-09-20 13:30:47,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 114 transitions. [2019-09-20 13:30:47,853 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 114 transitions. Word has length 47 [2019-09-20 13:30:47,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:30:47,854 INFO L475 AbstractCegarLoop]: Abstraction has 99 states and 114 transitions. [2019-09-20 13:30:47,854 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:30:47,854 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 114 transitions. [2019-09-20 13:30:47,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-09-20 13:30:47,857 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:30:47,858 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] [2019-09-20 13:30:47,858 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:30:47,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:30:47,858 INFO L82 PathProgramCache]: Analyzing trace with hash 1977159256, now seen corresponding path program 1 times [2019-09-20 13:30:47,858 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:30:47,861 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:47,861 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:30:47,861 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:47,862 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:30:47,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:30:48,063 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 13:30:48,063 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:30:48,063 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-20 13:30:48,064 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:30:48,064 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-20 13:30:48,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-20 13:30:48,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:30:48,065 INFO L87 Difference]: Start difference. First operand 99 states and 114 transitions. Second operand 7 states. [2019-09-20 13:30:48,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:30:48,490 INFO L93 Difference]: Finished difference Result 224 states and 266 transitions. [2019-09-20 13:30:48,491 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-20 13:30:48,491 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2019-09-20 13:30:48,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:30:48,495 INFO L225 Difference]: With dead ends: 224 [2019-09-20 13:30:48,495 INFO L226 Difference]: Without dead ends: 224 [2019-09-20 13:30:48,495 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 13:30:48,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2019-09-20 13:30:48,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 216. [2019-09-20 13:30:48,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2019-09-20 13:30:48,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 260 transitions. [2019-09-20 13:30:48,520 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 260 transitions. Word has length 51 [2019-09-20 13:30:48,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:30:48,520 INFO L475 AbstractCegarLoop]: Abstraction has 216 states and 260 transitions. [2019-09-20 13:30:48,520 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-20 13:30:48,520 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 260 transitions. [2019-09-20 13:30:48,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-09-20 13:30:48,523 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:30:48,523 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 13:30:48,523 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:30:48,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:30:48,524 INFO L82 PathProgramCache]: Analyzing trace with hash -1061912152, now seen corresponding path program 1 times [2019-09-20 13:30:48,524 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:30:48,527 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:48,527 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:30:48,527 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:48,527 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:30:48,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:30:48,735 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 13:30:48,735 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:30:48,735 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-09-20 13:30:48,736 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:30:48,736 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-09-20 13:30:48,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-09-20 13:30:48,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-09-20 13:30:48,737 INFO L87 Difference]: Start difference. First operand 216 states and 260 transitions. Second operand 10 states. [2019-09-20 13:30:49,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:30:49,288 INFO L93 Difference]: Finished difference Result 552 states and 691 transitions. [2019-09-20 13:30:49,288 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-09-20 13:30:49,289 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 57 [2019-09-20 13:30:49,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:30:49,301 INFO L225 Difference]: With dead ends: 552 [2019-09-20 13:30:49,304 INFO L226 Difference]: Without dead ends: 552 [2019-09-20 13:30:49,305 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 13:30:49,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 552 states. [2019-09-20 13:30:49,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 552 to 540. [2019-09-20 13:30:49,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 540 states. [2019-09-20 13:30:49,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 670 transitions. [2019-09-20 13:30:49,389 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 670 transitions. Word has length 57 [2019-09-20 13:30:49,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:30:49,390 INFO L475 AbstractCegarLoop]: Abstraction has 540 states and 670 transitions. [2019-09-20 13:30:49,390 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-09-20 13:30:49,390 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 670 transitions. [2019-09-20 13:30:49,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-09-20 13:30:49,399 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:30:49,399 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 13:30:49,399 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:30:49,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:30:49,400 INFO L82 PathProgramCache]: Analyzing trace with hash -1238507602, now seen corresponding path program 1 times [2019-09-20 13:30:49,400 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:30:49,405 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:49,405 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:30:49,406 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:49,411 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:30:49,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:30:49,525 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 13:30:49,526 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 13:30:49,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-20 13:30:49,527 INFO L87 Difference]: Start difference. First operand 540 states and 670 transitions. Second operand 4 states. [2019-09-20 13:30:49,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:30:49,655 INFO L93 Difference]: Finished difference Result 396 states and 464 transitions. [2019-09-20 13:30:49,656 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-20 13:30:49,656 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 61 [2019-09-20 13:30:49,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:30:49,659 INFO L225 Difference]: With dead ends: 396 [2019-09-20 13:30:49,659 INFO L226 Difference]: Without dead ends: 396 [2019-09-20 13:30:49,659 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 13:30:49,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2019-09-20 13:30:49,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 384. [2019-09-20 13:30:49,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 384 states. [2019-09-20 13:30:49,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 446 transitions. [2019-09-20 13:30:49,690 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 446 transitions. Word has length 61 [2019-09-20 13:30:49,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:30:49,691 INFO L475 AbstractCegarLoop]: Abstraction has 384 states and 446 transitions. [2019-09-20 13:30:49,691 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-20 13:30:49,692 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 446 transitions. [2019-09-20 13:30:49,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-09-20 13:30:49,695 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:30:49,696 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:30:49,698 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:30:49,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:30:49,698 INFO L82 PathProgramCache]: Analyzing trace with hash 5395237, now seen corresponding path program 1 times [2019-09-20 13:30:49,698 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:30:49,701 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:49,701 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:30:49,701 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:49,701 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:30:49,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:30:49,848 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-09-20 13:30:49,849 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:30:49,849 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-20 13:30:49,850 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 89 with the following transitions: [2019-09-20 13:30:49,853 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], [182], [184], [187], [218], [219], [225], [232], [235], [273], [277], [278], [281], [285], [286], [379], [380], [390], [398], [399], [400], [401], [402], [404], [405], [406], [407], [408], [409], [410], [411], [412], [454], [455], [458], [459], [460], [461], [472], [473], [480], [488], [489], [490] [2019-09-20 13:30:49,903 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-20 13:30:49,903 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-20 13:30:49,999 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-20 13:30:50,000 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 13:30:50,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:30:50,004 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-20 13:30:50,044 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-09-20 13:30:50,045 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-20 13:30:50,049 INFO L420 sIntCurrentIteration]: We unified 87 AI predicates to 87 [2019-09-20 13:30:50,049 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-20 13:30:50,050 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:30:50,050 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 7 [2019-09-20 13:30:50,050 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:30:50,051 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-20 13:30:50,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-20 13:30:50,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:30:50,052 INFO L87 Difference]: Start difference. First operand 384 states and 446 transitions. Second operand 2 states. [2019-09-20 13:30:50,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:30:50,053 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-09-20 13:30:50,053 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-20 13:30:50,053 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 88 [2019-09-20 13:30:50,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:30:50,053 INFO L225 Difference]: With dead ends: 2 [2019-09-20 13:30:50,054 INFO L226 Difference]: Without dead ends: 0 [2019-09-20 13:30:50,054 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 87 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 13:30:50,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-20 13:30:50,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-20 13:30:50,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-20 13:30:50,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-20 13:30:50,055 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 88 [2019-09-20 13:30:50,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:30:50,056 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-20 13:30:50,056 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-20 13:30:50,056 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-20 13:30:50,056 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-20 13:30:50,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:30:50 BoogieIcfgContainer [2019-09-20 13:30:50,062 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-20 13:30:50,065 INFO L168 Benchmark]: Toolchain (without parser) took 5142.45 ms. Allocated memory was 137.4 MB in the beginning and 272.1 MB in the end (delta: 134.7 MB). Free memory was 84.0 MB in the beginning and 90.5 MB in the end (delta: -6.5 MB). Peak memory consumption was 128.2 MB. Max. memory is 7.1 GB. [2019-09-20 13:30:50,066 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 137.4 MB. Free memory was 103.3 MB in the beginning and 103.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 13:30:50,067 INFO L168 Benchmark]: CACSL2BoogieTranslator took 762.55 ms. Allocated memory was 137.4 MB in the beginning and 197.1 MB in the end (delta: 59.8 MB). Free memory was 83.8 MB in the beginning and 162.9 MB in the end (delta: -79.1 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. [2019-09-20 13:30:50,068 INFO L168 Benchmark]: Boogie Preprocessor took 94.95 ms. Allocated memory is still 197.1 MB. Free memory was 162.9 MB in the beginning and 158.4 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2019-09-20 13:30:50,069 INFO L168 Benchmark]: RCFGBuilder took 1213.54 ms. Allocated memory is still 197.1 MB. Free memory was 158.4 MB in the beginning and 74.6 MB in the end (delta: 83.8 MB). Peak memory consumption was 83.8 MB. Max. memory is 7.1 GB. [2019-09-20 13:30:50,070 INFO L168 Benchmark]: TraceAbstraction took 3062.32 ms. Allocated memory was 197.1 MB in the beginning and 272.1 MB in the end (delta: 75.0 MB). Free memory was 74.6 MB in the beginning and 90.5 MB in the end (delta: -15.9 MB). Peak memory consumption was 59.1 MB. Max. memory is 7.1 GB. [2019-09-20 13:30:50,074 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 137.4 MB. Free memory was 103.3 MB in the beginning and 103.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 762.55 ms. Allocated memory was 137.4 MB in the beginning and 197.1 MB in the end (delta: 59.8 MB). Free memory was 83.8 MB in the beginning and 162.9 MB in the end (delta: -79.1 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 94.95 ms. Allocated memory is still 197.1 MB. Free memory was 162.9 MB in the beginning and 158.4 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1213.54 ms. Allocated memory is still 197.1 MB. Free memory was 158.4 MB in the beginning and 74.6 MB in the end (delta: 83.8 MB). Peak memory consumption was 83.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3062.32 ms. Allocated memory was 197.1 MB in the beginning and 272.1 MB in the end (delta: 75.0 MB). Free memory was 74.6 MB in the beginning and 90.5 MB in the end (delta: -15.9 MB). Peak memory consumption was 59.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 82]: 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, 217 locations, 1 error locations. SAFE Result, 2.9s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 1.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 609 SDtfs, 428 SDslu, 1418 SDs, 0 SdLazy, 464 SolverSat, 79 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 139 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=540occurred 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, 1.0804597701149425 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 32 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 350 NumberOfCodeBlocks, 350 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 344 ConstructedInterpolants, 0 QuantifiedInterpolants, 42856 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 20/23 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...