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_spec1_product57.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 02:57:01,944 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 02:57:01,946 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 02:57:01,958 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 02:57:01,958 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 02:57:01,959 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 02:57:01,961 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 02:57:01,963 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 02:57:01,965 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 02:57:01,966 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 02:57:01,967 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 02:57:01,968 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 02:57:01,968 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 02:57:01,969 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 02:57:01,970 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 02:57:01,971 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 02:57:01,972 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 02:57:01,973 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 02:57:01,975 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 02:57:01,977 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 02:57:01,979 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 02:57:01,980 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 02:57:01,981 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 02:57:01,982 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 02:57:01,984 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 02:57:01,984 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 02:57:01,985 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 02:57:01,986 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 02:57:01,986 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 02:57:01,987 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 02:57:01,987 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 02:57:01,988 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 02:57:01,989 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 02:57:01,990 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 02:57:01,991 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 02:57:01,991 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 02:57:01,992 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 02:57:01,992 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 02:57:01,992 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 02:57:01,993 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 02:57:01,994 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 02:57:01,995 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 [2019-10-03 02:57:02,010 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 02:57:02,010 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 02:57:02,011 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 02:57:02,011 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 02:57:02,012 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 02:57:02,012 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 02:57:02,012 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 02:57:02,012 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 02:57:02,013 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 02:57:02,013 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 02:57:02,013 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 02:57:02,014 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 02:57:02,014 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 02:57:02,014 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 02:57:02,014 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 02:57:02,015 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 02:57:02,015 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 02:57:02,015 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 02:57:02,015 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 02:57:02,015 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 02:57:02,016 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 02:57:02,016 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 02:57:02,016 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 02:57:02,016 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 02:57:02,017 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 02:57:02,017 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 02:57:02,017 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 02:57:02,017 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 02:57:02,017 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 02:57:02,018 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 02:57:02,050 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 02:57:02,067 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 02:57:02,071 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 02:57:02,073 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 02:57:02,074 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 02:57:02,075 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product57.cil.c [2019-10-03 02:57:02,147 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b7c69dbc/245f2f0289004377b41b981978d9127a/FLAGa6f4f7fee [2019-10-03 02:57:02,669 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 02:57:02,670 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product57.cil.c [2019-10-03 02:57:02,693 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b7c69dbc/245f2f0289004377b41b981978d9127a/FLAGa6f4f7fee [2019-10-03 02:57:03,002 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b7c69dbc/245f2f0289004377b41b981978d9127a [2019-10-03 02:57:03,011 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 02:57:03,013 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 02:57:03,014 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 02:57:03,014 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 02:57:03,017 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 02:57:03,018 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:57:03" (1/1) ... [2019-10-03 02:57:03,023 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fa7f548 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:57:03, skipping insertion in model container [2019-10-03 02:57:03,024 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:57:03" (1/1) ... [2019-10-03 02:57:03,030 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 02:57:03,089 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 02:57:03,621 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:57:03,644 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 02:57:03,733 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:57:03,771 INFO L192 MainTranslator]: Completed translation [2019-10-03 02:57:03,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:57:03 WrapperNode [2019-10-03 02:57:03,772 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 02:57:03,773 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 02:57:03,773 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 02:57:03,773 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 02:57:03,784 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:57:03" (1/1) ... [2019-10-03 02:57:03,784 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:57:03" (1/1) ... [2019-10-03 02:57:03,805 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:57:03" (1/1) ... [2019-10-03 02:57:03,806 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:57:03" (1/1) ... [2019-10-03 02:57:03,836 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:57:03" (1/1) ... [2019-10-03 02:57:03,847 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:57:03" (1/1) ... [2019-10-03 02:57:03,852 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:57:03" (1/1) ... [2019-10-03 02:57:03,860 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 02:57:03,861 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 02:57:03,861 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 02:57:03,861 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 02:57:03,862 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:57:03" (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 [2019-10-03 02:57:03,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 02:57:03,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 02:57:03,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-03 02:57:03,952 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-10-03 02:57:03,952 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-03 02:57:03,952 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-03 02:57:03,952 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-03 02:57:03,952 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-03 02:57:03,953 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-03 02:57:03,953 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-03 02:57:03,953 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-03 02:57:03,954 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-03 02:57:03,954 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-03 02:57:03,955 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-03 02:57:03,955 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-03 02:57:03,956 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-03 02:57:03,957 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-03 02:57:03,957 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-03 02:57:03,958 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-03 02:57:03,958 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-03 02:57:03,959 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-03 02:57:03,959 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-03 02:57:03,959 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-03 02:57:03,959 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-03 02:57:03,959 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-03 02:57:03,960 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-03 02:57:03,961 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-03 02:57:03,961 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-03 02:57:03,961 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-03 02:57:03,961 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-03 02:57:03,961 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-03 02:57:03,962 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 02:57:03,962 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-03 02:57:03,962 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-03 02:57:03,962 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-03 02:57:03,962 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-03 02:57:03,963 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-03 02:57:03,963 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-03 02:57:03,963 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-03 02:57:03,964 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-03 02:57:03,964 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-03 02:57:03,964 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 02:57:03,964 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 02:57:03,965 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-03 02:57:03,965 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-03 02:57:03,965 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-03 02:57:03,965 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-03 02:57:03,965 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-10-03 02:57:03,965 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-03 02:57:03,966 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-03 02:57:03,966 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-03 02:57:03,966 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-03 02:57:03,966 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-03 02:57:03,967 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-03 02:57:03,967 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-03 02:57:03,967 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-03 02:57:03,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-03 02:57:03,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-03 02:57:03,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-03 02:57:03,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-03 02:57:03,968 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-03 02:57:03,968 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-03 02:57:03,968 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-03 02:57:03,968 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-03 02:57:03,969 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-03 02:57:03,969 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-03 02:57:03,969 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-03 02:57:03,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-03 02:57:03,969 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-03 02:57:03,970 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-03 02:57:03,970 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-03 02:57:03,970 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-03 02:57:03,970 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-03 02:57:03,971 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-03 02:57:03,971 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-03 02:57:03,971 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-03 02:57:03,972 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-03 02:57:03,972 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-03 02:57:03,972 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-03 02:57:03,973 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-03 02:57:03,973 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-03 02:57:03,973 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-03 02:57:03,973 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-03 02:57:03,973 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-03 02:57:03,973 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-03 02:57:03,974 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-03 02:57:03,975 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-03 02:57:03,976 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-03 02:57:03,976 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-03 02:57:03,976 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-03 02:57:03,976 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-03 02:57:03,976 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 02:57:03,977 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-03 02:57:03,977 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 02:57:03,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-03 02:57:03,977 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 02:57:05,318 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 02:57:05,319 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-03 02:57:05,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:57:05 BoogieIcfgContainer [2019-10-03 02:57:05,321 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 02:57:05,323 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-03 02:57:05,323 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-03 02:57:05,327 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-03 02:57:05,327 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.10 02:57:03" (1/3) ... [2019-10-03 02:57:05,328 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b43d194 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:57:05, skipping insertion in model container [2019-10-03 02:57:05,329 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:57:03" (2/3) ... [2019-10-03 02:57:05,330 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b43d194 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:57:05, skipping insertion in model container [2019-10-03 02:57:05,330 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:57:05" (3/3) ... [2019-10-03 02:57:05,332 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product57.cil.c [2019-10-03 02:57:05,342 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-03 02:57:05,353 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-03 02:57:05,370 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-03 02:57:05,394 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-03 02:57:05,395 INFO L378 AbstractCegarLoop]: Hoare is false [2019-10-03 02:57:05,395 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-03 02:57:05,395 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-03 02:57:05,395 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-03 02:57:05,395 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-03 02:57:05,396 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-03 02:57:05,396 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-03 02:57:05,416 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states. [2019-10-03 02:57:05,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-03 02:57:05,429 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:57:05,430 INFO L411 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] [2019-10-03 02:57:05,433 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:57:05,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:57:05,439 INFO L82 PathProgramCache]: Analyzing trace with hash 135364863, now seen corresponding path program 1 times [2019-10-03 02:57:05,442 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:57:05,503 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:57:05,504 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:57:05,504 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:57:05,504 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:57:05,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:57:05,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-03 02:57:05,860 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:57:05,860 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-03 02:57:05,861 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:57:05,867 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:57:05,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:57:05,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:57:05,892 INFO L87 Difference]: Start difference. First operand 183 states. Second operand 2 states. [2019-10-03 02:57:05,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:57:05,948 INFO L93 Difference]: Finished difference Result 151 states and 176 transitions. [2019-10-03 02:57:05,958 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:57:05,960 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-10-03 02:57:05,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:57:05,980 INFO L225 Difference]: With dead ends: 151 [2019-10-03 02:57:05,981 INFO L226 Difference]: Without dead ends: 140 [2019-10-03 02:57:05,986 INFO L640 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 [2019-10-03 02:57:06,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2019-10-03 02:57:06,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2019-10-03 02:57:06,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2019-10-03 02:57:06,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 164 transitions. [2019-10-03 02:57:06,082 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 164 transitions. Word has length 46 [2019-10-03 02:57:06,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:57:06,083 INFO L475 AbstractCegarLoop]: Abstraction has 140 states and 164 transitions. [2019-10-03 02:57:06,083 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:57:06,083 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 164 transitions. [2019-10-03 02:57:06,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-03 02:57:06,088 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:57:06,089 INFO L411 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] [2019-10-03 02:57:06,089 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:57:06,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:57:06,090 INFO L82 PathProgramCache]: Analyzing trace with hash 327228860, now seen corresponding path program 1 times [2019-10-03 02:57:06,090 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:57:06,093 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:57:06,094 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:57:06,094 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:57:06,094 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:57:06,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:57:06,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-03 02:57:06,252 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:57:06,253 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:57:06,253 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:57:06,255 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:57:06,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:57:06,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:57:06,256 INFO L87 Difference]: Start difference. First operand 140 states and 164 transitions. Second operand 3 states. [2019-10-03 02:57:06,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:57:06,289 INFO L93 Difference]: Finished difference Result 131 states and 152 transitions. [2019-10-03 02:57:06,293 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:57:06,294 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-10-03 02:57:06,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:57:06,299 INFO L225 Difference]: With dead ends: 131 [2019-10-03 02:57:06,299 INFO L226 Difference]: Without dead ends: 131 [2019-10-03 02:57:06,300 INFO L640 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 [2019-10-03 02:57:06,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2019-10-03 02:57:06,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2019-10-03 02:57:06,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2019-10-03 02:57:06,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 152 transitions. [2019-10-03 02:57:06,312 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 152 transitions. Word has length 47 [2019-10-03 02:57:06,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:57:06,312 INFO L475 AbstractCegarLoop]: Abstraction has 131 states and 152 transitions. [2019-10-03 02:57:06,312 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:57:06,313 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 152 transitions. [2019-10-03 02:57:06,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-03 02:57:06,315 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:57:06,315 INFO L411 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] [2019-10-03 02:57:06,315 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:57:06,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:57:06,316 INFO L82 PathProgramCache]: Analyzing trace with hash -207054876, now seen corresponding path program 1 times [2019-10-03 02:57:06,316 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:57:06,318 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:57:06,318 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:57:06,319 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:57:06,319 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:57:06,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:57:06,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-03 02:57:06,474 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:57:06,474 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-03 02:57:06,474 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:57:06,475 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-03 02:57:06,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-03 02:57:06,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-03 02:57:06,476 INFO L87 Difference]: Start difference. First operand 131 states and 152 transitions. Second operand 7 states. [2019-10-03 02:57:06,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:57:06,826 INFO L93 Difference]: Finished difference Result 131 states and 151 transitions. [2019-10-03 02:57:06,826 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-03 02:57:06,827 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2019-10-03 02:57:06,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:57:06,829 INFO L225 Difference]: With dead ends: 131 [2019-10-03 02:57:06,830 INFO L226 Difference]: Without dead ends: 131 [2019-10-03 02:57:06,830 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-03 02:57:06,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2019-10-03 02:57:06,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2019-10-03 02:57:06,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2019-10-03 02:57:06,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 151 transitions. [2019-10-03 02:57:06,847 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 151 transitions. Word has length 51 [2019-10-03 02:57:06,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:57:06,848 INFO L475 AbstractCegarLoop]: Abstraction has 131 states and 151 transitions. [2019-10-03 02:57:06,848 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-03 02:57:06,848 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 151 transitions. [2019-10-03 02:57:06,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-10-03 02:57:06,851 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:57:06,851 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:57:06,851 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:57:06,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:57:06,852 INFO L82 PathProgramCache]: Analyzing trace with hash 1468702982, now seen corresponding path program 1 times [2019-10-03 02:57:06,852 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:57:06,856 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:57:06,856 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:57:06,856 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:57:06,856 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:57:06,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:57:07,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-03 02:57:07,015 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:57:07,015 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-03 02:57:07,015 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:57:07,016 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-03 02:57:07,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-03 02:57:07,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-03 02:57:07,017 INFO L87 Difference]: Start difference. First operand 131 states and 151 transitions. Second operand 5 states. [2019-10-03 02:57:07,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:57:07,738 INFO L93 Difference]: Finished difference Result 227 states and 262 transitions. [2019-10-03 02:57:07,738 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-03 02:57:07,738 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2019-10-03 02:57:07,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:57:07,746 INFO L225 Difference]: With dead ends: 227 [2019-10-03 02:57:07,747 INFO L226 Difference]: Without dead ends: 227 [2019-10-03 02:57:07,747 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-03 02:57:07,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2019-10-03 02:57:07,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 209. [2019-10-03 02:57:07,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 209 states. [2019-10-03 02:57:07,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 238 transitions. [2019-10-03 02:57:07,785 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 238 transitions. Word has length 64 [2019-10-03 02:57:07,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:57:07,786 INFO L475 AbstractCegarLoop]: Abstraction has 209 states and 238 transitions. [2019-10-03 02:57:07,786 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-03 02:57:07,786 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 238 transitions. [2019-10-03 02:57:07,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-10-03 02:57:07,791 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:57:07,791 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:57:07,792 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:57:07,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:57:07,792 INFO L82 PathProgramCache]: Analyzing trace with hash -1930431345, now seen corresponding path program 1 times [2019-10-03 02:57:07,792 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:57:07,797 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:57:07,798 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:57:07,798 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:57:07,798 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:57:07,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:57:07,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-03 02:57:07,935 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:57:07,935 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-03 02:57:07,935 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:57:07,938 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-03 02:57:07,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-03 02:57:07,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-03 02:57:07,939 INFO L87 Difference]: Start difference. First operand 209 states and 238 transitions. Second operand 6 states. [2019-10-03 02:57:08,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:57:08,166 INFO L93 Difference]: Finished difference Result 379 states and 433 transitions. [2019-10-03 02:57:08,166 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-03 02:57:08,166 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 78 [2019-10-03 02:57:08,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:57:08,172 INFO L225 Difference]: With dead ends: 379 [2019-10-03 02:57:08,172 INFO L226 Difference]: Without dead ends: 379 [2019-10-03 02:57:08,173 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-03 02:57:08,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2019-10-03 02:57:08,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 373. [2019-10-03 02:57:08,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 373 states. [2019-10-03 02:57:08,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 426 transitions. [2019-10-03 02:57:08,215 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 426 transitions. Word has length 78 [2019-10-03 02:57:08,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:57:08,216 INFO L475 AbstractCegarLoop]: Abstraction has 373 states and 426 transitions. [2019-10-03 02:57:08,216 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-03 02:57:08,216 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 426 transitions. [2019-10-03 02:57:08,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-10-03 02:57:08,218 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:57:08,218 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:57:08,218 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:57:08,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:57:08,219 INFO L82 PathProgramCache]: Analyzing trace with hash -613018165, now seen corresponding path program 1 times [2019-10-03 02:57:08,219 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:57:08,221 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:57:08,222 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:57:08,222 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:57:08,222 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:57:08,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:57:08,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-03 02:57:08,335 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:57:08,335 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-03 02:57:08,335 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:57:08,336 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-03 02:57:08,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-03 02:57:08,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-03 02:57:08,337 INFO L87 Difference]: Start difference. First operand 373 states and 426 transitions. Second operand 7 states. [2019-10-03 02:57:09,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:57:09,014 INFO L93 Difference]: Finished difference Result 403 states and 473 transitions. [2019-10-03 02:57:09,018 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-03 02:57:09,019 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 82 [2019-10-03 02:57:09,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:57:09,024 INFO L225 Difference]: With dead ends: 403 [2019-10-03 02:57:09,024 INFO L226 Difference]: Without dead ends: 403 [2019-10-03 02:57:09,025 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-03 02:57:09,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2019-10-03 02:57:09,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 373. [2019-10-03 02:57:09,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 373 states. [2019-10-03 02:57:09,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 425 transitions. [2019-10-03 02:57:09,045 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 425 transitions. Word has length 82 [2019-10-03 02:57:09,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:57:09,046 INFO L475 AbstractCegarLoop]: Abstraction has 373 states and 425 transitions. [2019-10-03 02:57:09,046 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-03 02:57:09,046 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 425 transitions. [2019-10-03 02:57:09,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-10-03 02:57:09,048 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:57:09,049 INFO L411 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:57:09,049 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:57:09,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:57:09,049 INFO L82 PathProgramCache]: Analyzing trace with hash -1664141551, now seen corresponding path program 1 times [2019-10-03 02:57:09,049 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:57:09,052 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:57:09,052 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:57:09,052 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:57:09,052 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:57:09,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:57:09,114 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-03 02:57:09,114 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:57:09,115 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-03 02:57:09,115 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:57:09,115 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-03 02:57:09,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-03 02:57:09,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-03 02:57:09,116 INFO L87 Difference]: Start difference. First operand 373 states and 425 transitions. Second operand 6 states. [2019-10-03 02:57:09,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:57:09,144 INFO L93 Difference]: Finished difference Result 387 states and 439 transitions. [2019-10-03 02:57:09,144 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-03 02:57:09,145 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 98 [2019-10-03 02:57:09,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:57:09,147 INFO L225 Difference]: With dead ends: 387 [2019-10-03 02:57:09,147 INFO L226 Difference]: Without dead ends: 387 [2019-10-03 02:57:09,148 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-03 02:57:09,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2019-10-03 02:57:09,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 383. [2019-10-03 02:57:09,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2019-10-03 02:57:09,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 435 transitions. [2019-10-03 02:57:09,163 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 435 transitions. Word has length 98 [2019-10-03 02:57:09,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:57:09,164 INFO L475 AbstractCegarLoop]: Abstraction has 383 states and 435 transitions. [2019-10-03 02:57:09,164 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-03 02:57:09,164 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 435 transitions. [2019-10-03 02:57:09,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-10-03 02:57:09,166 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:57:09,166 INFO L411 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:57:09,166 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:57:09,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:57:09,166 INFO L82 PathProgramCache]: Analyzing trace with hash -770655213, now seen corresponding path program 1 times [2019-10-03 02:57:09,167 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:57:09,169 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:57:09,169 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:57:09,169 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:57:09,169 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:57:09,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:57:09,246 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-03 02:57:09,247 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:57:09,247 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-03 02:57:09,247 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:57:09,248 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-03 02:57:09,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-03 02:57:09,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-03 02:57:09,249 INFO L87 Difference]: Start difference. First operand 383 states and 435 transitions. Second operand 8 states. [2019-10-03 02:57:09,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:57:09,279 INFO L93 Difference]: Finished difference Result 397 states and 449 transitions. [2019-10-03 02:57:09,280 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-03 02:57:09,280 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 98 [2019-10-03 02:57:09,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:57:09,282 INFO L225 Difference]: With dead ends: 397 [2019-10-03 02:57:09,282 INFO L226 Difference]: Without dead ends: 397 [2019-10-03 02:57:09,283 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-03 02:57:09,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2019-10-03 02:57:09,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 391. [2019-10-03 02:57:09,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 391 states. [2019-10-03 02:57:09,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 443 transitions. [2019-10-03 02:57:09,297 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 443 transitions. Word has length 98 [2019-10-03 02:57:09,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:57:09,297 INFO L475 AbstractCegarLoop]: Abstraction has 391 states and 443 transitions. [2019-10-03 02:57:09,297 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-03 02:57:09,297 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 443 transitions. [2019-10-03 02:57:09,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-10-03 02:57:09,299 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:57:09,299 INFO L411 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:57:09,300 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:57:09,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:57:09,300 INFO L82 PathProgramCache]: Analyzing trace with hash -778414572, now seen corresponding path program 1 times [2019-10-03 02:57:09,300 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:57:09,302 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:57:09,302 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:57:09,303 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:57:09,303 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:57:09,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:57:09,389 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-03 02:57:09,390 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:57:09,390 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-03 02:57:09,390 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:57:09,391 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-03 02:57:09,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-03 02:57:09,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-03 02:57:09,391 INFO L87 Difference]: Start difference. First operand 391 states and 443 transitions. Second operand 4 states. [2019-10-03 02:57:09,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:57:09,584 INFO L93 Difference]: Finished difference Result 786 states and 933 transitions. [2019-10-03 02:57:09,585 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-03 02:57:09,585 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 98 [2019-10-03 02:57:09,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:57:09,589 INFO L225 Difference]: With dead ends: 786 [2019-10-03 02:57:09,589 INFO L226 Difference]: Without dead ends: 786 [2019-10-03 02:57:09,590 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-03 02:57:09,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 786 states. [2019-10-03 02:57:09,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 786 to 771. [2019-10-03 02:57:09,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 771 states. [2019-10-03 02:57:09,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 771 states and 901 transitions. [2019-10-03 02:57:09,620 INFO L78 Accepts]: Start accepts. Automaton has 771 states and 901 transitions. Word has length 98 [2019-10-03 02:57:09,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:57:09,620 INFO L475 AbstractCegarLoop]: Abstraction has 771 states and 901 transitions. [2019-10-03 02:57:09,620 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-03 02:57:09,620 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 901 transitions. [2019-10-03 02:57:09,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-10-03 02:57:09,623 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:57:09,623 INFO L411 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:57:09,623 INFO L418 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:57:09,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:57:09,624 INFO L82 PathProgramCache]: Analyzing trace with hash 469491758, now seen corresponding path program 1 times [2019-10-03 02:57:09,624 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:57:09,626 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:57:09,626 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:57:09,626 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:57:09,626 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:57:09,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:57:09,747 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-03 02:57:09,747 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-03 02:57:09,748 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-10-03 02:57:09,749 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 103 with the following transitions: [2019-10-03 02:57:09,751 INFO L207 CegarAbsIntRunner]: [50], [51], [52], [56], [59], [94], [110], [114], [115], [116], [131], [134], [136], [145], [149], [153], [156], [161], [164], [169], [172], [187], [188], [200], [202], [207], [210], [211], [213], [218], [220], [221], [224], [225], [231], [235], [275], [278], [280], [283], [293], [296], [300], [301], [304], [305], [306], [329], [331], [332], [399], [400], [407], [409], [410], [414], [416], [419], [421], [424], [437], [438], [439], [440], [441], [442], [443], [444], [445], [485], [486], [487], [488], [489], [490], [491], [495], [496], [497], [498], [499], [500], [503], [504], [505], [511], [512], [513], [514], [521], [523], [524], [529], [530], [531], [533], [534], [535], [536], [537] [2019-10-03 02:57:09,792 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-03 02:57:09,793 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-03 02:57:09,859 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-03 02:57:09,861 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. [2019-10-03 02:57:09,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:57:09,865 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-03 02:57:09,906 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-03 02:57:09,907 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-10-03 02:57:09,910 INFO L420 sIntCurrentIteration]: We unified 101 AI predicates to 101 [2019-10-03 02:57:09,910 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-03 02:57:09,911 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-03 02:57:09,911 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [13] total 13 [2019-10-03 02:57:09,911 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:57:09,912 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:57:09,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:57:09,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:57:09,912 INFO L87 Difference]: Start difference. First operand 771 states and 901 transitions. Second operand 2 states. [2019-10-03 02:57:09,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:57:09,913 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-10-03 02:57:09,913 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:57:09,913 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 102 [2019-10-03 02:57:09,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:57:09,914 INFO L225 Difference]: With dead ends: 2 [2019-10-03 02:57:09,914 INFO L226 Difference]: Without dead ends: 0 [2019-10-03 02:57:09,914 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:57:09,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-03 02:57:09,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-03 02:57:09,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-03 02:57:09,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-03 02:57:09,915 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 102 [2019-10-03 02:57:09,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:57:09,915 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-03 02:57:09,915 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:57:09,915 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-03 02:57:09,916 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-03 02:57:09,921 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 02:57:09 BoogieIcfgContainer [2019-10-03 02:57:09,921 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-03 02:57:09,923 INFO L168 Benchmark]: Toolchain (without parser) took 6909.91 ms. Allocated memory was 138.4 MB in the beginning and 333.4 MB in the end (delta: 195.0 MB). Free memory was 84.5 MB in the beginning and 199.9 MB in the end (delta: -115.4 MB). Peak memory consumption was 79.6 MB. Max. memory is 7.1 GB. [2019-10-03 02:57:09,924 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 138.4 MB. Free memory was 104.2 MB in the beginning and 104.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-03 02:57:09,925 INFO L168 Benchmark]: CACSL2BoogieTranslator took 758.79 ms. Allocated memory was 138.4 MB in the beginning and 198.7 MB in the end (delta: 60.3 MB). Free memory was 84.3 MB in the beginning and 163.2 MB in the end (delta: -78.9 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. [2019-10-03 02:57:09,926 INFO L168 Benchmark]: Boogie Preprocessor took 87.30 ms. Allocated memory is still 198.7 MB. Free memory was 163.2 MB in the beginning and 159.4 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2019-10-03 02:57:09,927 INFO L168 Benchmark]: RCFGBuilder took 1460.11 ms. Allocated memory was 198.7 MB in the beginning and 220.2 MB in the end (delta: 21.5 MB). Free memory was 159.4 MB in the beginning and 188.2 MB in the end (delta: -28.7 MB). Peak memory consumption was 92.8 MB. Max. memory is 7.1 GB. [2019-10-03 02:57:09,928 INFO L168 Benchmark]: TraceAbstraction took 4598.11 ms. Allocated memory was 220.2 MB in the beginning and 333.4 MB in the end (delta: 113.2 MB). Free memory was 188.2 MB in the beginning and 199.9 MB in the end (delta: -11.8 MB). Peak memory consumption was 101.5 MB. Max. memory is 7.1 GB. [2019-10-03 02:57:09,932 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 138.4 MB. Free memory was 104.2 MB in the beginning and 104.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 758.79 ms. Allocated memory was 138.4 MB in the beginning and 198.7 MB in the end (delta: 60.3 MB). Free memory was 84.3 MB in the beginning and 163.2 MB in the end (delta: -78.9 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 87.30 ms. Allocated memory is still 198.7 MB. Free memory was 163.2 MB in the beginning and 159.4 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1460.11 ms. Allocated memory was 198.7 MB in the beginning and 220.2 MB in the end (delta: 21.5 MB). Free memory was 159.4 MB in the beginning and 188.2 MB in the end (delta: -28.7 MB). Peak memory consumption was 92.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4598.11 ms. Allocated memory was 220.2 MB in the beginning and 333.4 MB in the end (delta: 113.2 MB). Free memory was 188.2 MB in the beginning and 199.9 MB in the end (delta: -11.8 MB). Peak memory consumption was 101.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 968]: 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 41 procedures, 242 locations, 1 error locations. SAFE Result, 4.5s OverallTime, 10 OverallIterations, 2 TraceHistogramMax, 2.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1481 SDtfs, 815 SDslu, 3090 SDs, 0 SdLazy, 1060 SolverSat, 235 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 190 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=771occurred in iteration=9, 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, 1.0693069306930694 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 79 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 764 NumberOfCodeBlocks, 764 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 754 ConstructedInterpolants, 0 QuantifiedInterpolants, 100151 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 9 PerfectInterpolantSequences, 10/12 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...