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_product22.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-16 17:09:03,135 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-16 17:09:03,137 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-16 17:09:03,149 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-16 17:09:03,150 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-16 17:09:03,151 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-16 17:09:03,153 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-16 17:09:03,155 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-16 17:09:03,156 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-16 17:09:03,157 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-16 17:09:03,158 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-16 17:09:03,160 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-16 17:09:03,160 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-16 17:09:03,161 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-16 17:09:03,162 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-16 17:09:03,163 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-16 17:09:03,164 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-16 17:09:03,165 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-16 17:09:03,167 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-16 17:09:03,169 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-16 17:09:03,170 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-16 17:09:03,172 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-16 17:09:03,173 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-16 17:09:03,173 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-16 17:09:03,176 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-16 17:09:03,176 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-16 17:09:03,176 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-16 17:09:03,177 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-16 17:09:03,178 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-16 17:09:03,179 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-16 17:09:03,179 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-16 17:09:03,180 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-16 17:09:03,180 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-16 17:09:03,181 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-16 17:09:03,182 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-16 17:09:03,183 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-16 17:09:03,183 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-16 17:09:03,184 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-16 17:09:03,184 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-16 17:09:03,185 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-16 17:09:03,185 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-16 17:09:03,186 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 [2019-09-16 17:09:03,201 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-16 17:09:03,201 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-16 17:09:03,202 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-16 17:09:03,202 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-16 17:09:03,203 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-16 17:09:03,203 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-16 17:09:03,203 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-16 17:09:03,203 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-16 17:09:03,204 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-16 17:09:03,204 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-16 17:09:03,204 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-16 17:09:03,205 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-16 17:09:03,205 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-16 17:09:03,205 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-16 17:09:03,205 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-16 17:09:03,205 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-16 17:09:03,206 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-16 17:09:03,206 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-16 17:09:03,206 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-16 17:09:03,209 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-16 17:09:03,209 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-16 17:09:03,210 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-16 17:09:03,210 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-16 17:09:03,210 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 17:09:03,210 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-16 17:09:03,211 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-16 17:09:03,211 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-16 17:09:03,211 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-16 17:09:03,211 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-16 17:09:03,211 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-16 17:09:03,244 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-16 17:09:03,262 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-16 17:09:03,266 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-16 17:09:03,268 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-16 17:09:03,268 INFO L275 PluginConnector]: CDTParser initialized [2019-09-16 17:09:03,269 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product22.cil.c [2019-09-16 17:09:03,334 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53ff45016/b56626da84b048f183cdbc6772e881db/FLAG369cc81af [2019-09-16 17:09:03,831 INFO L306 CDTParser]: Found 1 translation units. [2019-09-16 17:09:03,832 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product22.cil.c [2019-09-16 17:09:03,849 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53ff45016/b56626da84b048f183cdbc6772e881db/FLAG369cc81af [2019-09-16 17:09:04,174 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53ff45016/b56626da84b048f183cdbc6772e881db [2019-09-16 17:09:04,183 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-16 17:09:04,184 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-16 17:09:04,185 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-16 17:09:04,186 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-16 17:09:04,189 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-16 17:09:04,190 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:09:04" (1/1) ... [2019-09-16 17:09:04,193 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c66dbf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:09:04, skipping insertion in model container [2019-09-16 17:09:04,193 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:09:04" (1/1) ... [2019-09-16 17:09:04,201 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-16 17:09:04,243 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-16 17:09:04,767 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:09:04,782 INFO L188 MainTranslator]: Completed pre-run [2019-09-16 17:09:04,884 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:09:04,920 INFO L192 MainTranslator]: Completed translation [2019-09-16 17:09:04,921 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:09:04 WrapperNode [2019-09-16 17:09:04,921 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-16 17:09:04,922 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-16 17:09:04,922 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-16 17:09:04,922 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-16 17:09:04,936 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:09:04" (1/1) ... [2019-09-16 17:09:04,937 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:09:04" (1/1) ... [2019-09-16 17:09:04,975 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:09:04" (1/1) ... [2019-09-16 17:09:04,976 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:09:04" (1/1) ... [2019-09-16 17:09:05,012 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:09:04" (1/1) ... [2019-09-16 17:09:05,023 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:09:04" (1/1) ... [2019-09-16 17:09:05,029 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:09:04" (1/1) ... [2019-09-16 17:09:05,036 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-16 17:09:05,037 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-16 17:09:05,037 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-16 17:09:05,037 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-16 17:09:05,038 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:09:04" (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 [2019-09-16 17:09:05,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-16 17:09:05,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-16 17:09:05,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-16 17:09:05,102 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-16 17:09:05,102 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-16 17:09:05,102 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-16 17:09:05,102 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-16 17:09:05,102 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-16 17:09:05,103 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-16 17:09:05,103 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-16 17:09:05,103 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-16 17:09:05,103 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-16 17:09:05,103 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-16 17:09:05,104 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-16 17:09:05,104 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-16 17:09:05,104 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-16 17:09:05,104 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-16 17:09:05,104 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-16 17:09:05,104 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-16 17:09:05,105 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-16 17:09:05,105 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-16 17:09:05,106 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-16 17:09:05,106 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-16 17:09:05,106 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-16 17:09:05,106 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-16 17:09:05,106 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-16 17:09:05,106 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-16 17:09:05,107 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-16 17:09:05,107 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-16 17:09:05,107 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-16 17:09:05,107 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-16 17:09:05,107 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-16 17:09:05,108 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-16 17:09:05,108 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-16 17:09:05,108 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-16 17:09:05,108 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-16 17:09:05,108 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-16 17:09:05,108 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-16 17:09:05,109 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-16 17:09:05,109 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-16 17:09:05,109 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-16 17:09:05,109 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-16 17:09:05,109 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-16 17:09:05,110 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-16 17:09:05,110 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-16 17:09:05,110 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-16 17:09:05,110 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-16 17:09:05,110 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-16 17:09:05,110 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-16 17:09:05,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-16 17:09:05,111 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-16 17:09:05,111 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-16 17:09:05,111 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-16 17:09:05,111 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-16 17:09:05,111 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-16 17:09:05,111 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-16 17:09:05,112 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-16 17:09:05,112 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-16 17:09:05,112 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-16 17:09:05,112 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-16 17:09:05,112 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-16 17:09:05,112 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-16 17:09:05,112 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-16 17:09:05,113 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-16 17:09:05,113 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-16 17:09:05,113 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-16 17:09:05,113 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-16 17:09:05,113 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-16 17:09:05,113 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-16 17:09:05,114 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-16 17:09:05,114 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-16 17:09:05,114 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-16 17:09:05,114 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-16 17:09:05,114 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-16 17:09:05,114 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-16 17:09:05,114 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-16 17:09:05,115 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-16 17:09:05,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-16 17:09:05,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-16 17:09:05,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-16 17:09:05,115 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-16 17:09:05,116 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-16 17:09:05,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-16 17:09:05,116 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-16 17:09:05,116 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-16 17:09:05,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-16 17:09:05,116 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-16 17:09:05,117 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-16 17:09:05,117 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-16 17:09:05,117 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-16 17:09:05,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-16 17:09:05,117 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-16 17:09:06,187 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-16 17:09:06,188 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-16 17:09:06,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:09:06 BoogieIcfgContainer [2019-09-16 17:09:06,189 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-16 17:09:06,190 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-16 17:09:06,191 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-16 17:09:06,195 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-16 17:09:06,196 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 05:09:04" (1/3) ... [2019-09-16 17:09:06,197 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37ff0c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 05:09:06, skipping insertion in model container [2019-09-16 17:09:06,197 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:09:04" (2/3) ... [2019-09-16 17:09:06,198 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37ff0c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 05:09:06, skipping insertion in model container [2019-09-16 17:09:06,198 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:09:06" (3/3) ... [2019-09-16 17:09:06,200 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product22.cil.c [2019-09-16 17:09:06,230 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-16 17:09:06,241 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-16 17:09:06,259 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-16 17:09:06,293 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-16 17:09:06,293 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-16 17:09:06,293 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-16 17:09:06,294 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-16 17:09:06,294 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-16 17:09:06,294 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-16 17:09:06,294 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-16 17:09:06,294 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-16 17:09:06,322 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states. [2019-09-16 17:09:06,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-09-16 17:09:06,342 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:09:06,344 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] [2019-09-16 17:09:06,347 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:09:06,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:09:06,353 INFO L82 PathProgramCache]: Analyzing trace with hash 144748064, now seen corresponding path program 1 times [2019-09-16 17:09:06,357 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:09:06,417 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:09:06,418 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:09:06,418 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:09:06,418 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:09:06,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:09:06,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:09:06,698 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:09:06,699 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-16 17:09:06,699 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:09:06,704 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-16 17:09:06,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-16 17:09:06,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-16 17:09:06,723 INFO L87 Difference]: Start difference. First operand 169 states. Second operand 2 states. [2019-09-16 17:09:06,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:09:06,750 INFO L93 Difference]: Finished difference Result 137 states and 159 transitions. [2019-09-16 17:09:06,750 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-16 17:09:06,751 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-09-16 17:09:06,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:09:06,765 INFO L225 Difference]: With dead ends: 137 [2019-09-16 17:09:06,765 INFO L226 Difference]: Without dead ends: 126 [2019-09-16 17:09:06,767 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 [2019-09-16 17:09:06,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2019-09-16 17:09:06,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2019-09-16 17:09:06,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2019-09-16 17:09:06,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 147 transitions. [2019-09-16 17:09:06,822 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 147 transitions. Word has length 46 [2019-09-16 17:09:06,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:09:06,823 INFO L475 AbstractCegarLoop]: Abstraction has 126 states and 147 transitions. [2019-09-16 17:09:06,823 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-16 17:09:06,823 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 147 transitions. [2019-09-16 17:09:06,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-09-16 17:09:06,827 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:09:06,827 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] [2019-09-16 17:09:06,827 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:09:06,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:09:06,828 INFO L82 PathProgramCache]: Analyzing trace with hash -1374578105, now seen corresponding path program 1 times [2019-09-16 17:09:06,828 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:09:06,831 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:09:06,831 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:09:06,831 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:09:06,831 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:09:06,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:09:06,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:09:06,955 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:09:06,955 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-16 17:09:06,955 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:09:06,957 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-16 17:09:06,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-16 17:09:06,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-16 17:09:06,959 INFO L87 Difference]: Start difference. First operand 126 states and 147 transitions. Second operand 3 states. [2019-09-16 17:09:06,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:09:06,980 INFO L93 Difference]: Finished difference Result 117 states and 135 transitions. [2019-09-16 17:09:06,980 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-16 17:09:06,980 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-09-16 17:09:06,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:09:06,985 INFO L225 Difference]: With dead ends: 117 [2019-09-16 17:09:06,985 INFO L226 Difference]: Without dead ends: 117 [2019-09-16 17:09:06,986 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 [2019-09-16 17:09:06,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2019-09-16 17:09:07,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2019-09-16 17:09:07,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2019-09-16 17:09:07,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 135 transitions. [2019-09-16 17:09:07,011 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 135 transitions. Word has length 47 [2019-09-16 17:09:07,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:09:07,012 INFO L475 AbstractCegarLoop]: Abstraction has 117 states and 135 transitions. [2019-09-16 17:09:07,012 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-16 17:09:07,012 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 135 transitions. [2019-09-16 17:09:07,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-09-16 17:09:07,014 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:09:07,014 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 17:09:07,015 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:09:07,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:09:07,015 INFO L82 PathProgramCache]: Analyzing trace with hash 699793598, now seen corresponding path program 1 times [2019-09-16 17:09:07,015 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:09:07,017 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:09:07,018 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:09:07,018 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:09:07,018 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:09:07,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:09:07,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:09:07,186 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:09:07,186 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-16 17:09:07,186 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:09:07,187 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-16 17:09:07,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-16 17:09:07,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-16 17:09:07,189 INFO L87 Difference]: Start difference. First operand 117 states and 135 transitions. Second operand 7 states. [2019-09-16 17:09:07,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:09:07,532 INFO L93 Difference]: Finished difference Result 117 states and 134 transitions. [2019-09-16 17:09:07,532 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-16 17:09:07,532 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2019-09-16 17:09:07,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:09:07,534 INFO L225 Difference]: With dead ends: 117 [2019-09-16 17:09:07,535 INFO L226 Difference]: Without dead ends: 117 [2019-09-16 17:09:07,535 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 [2019-09-16 17:09:07,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2019-09-16 17:09:07,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2019-09-16 17:09:07,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2019-09-16 17:09:07,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 134 transitions. [2019-09-16 17:09:07,545 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 134 transitions. Word has length 52 [2019-09-16 17:09:07,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:09:07,545 INFO L475 AbstractCegarLoop]: Abstraction has 117 states and 134 transitions. [2019-09-16 17:09:07,546 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-16 17:09:07,546 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 134 transitions. [2019-09-16 17:09:07,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-09-16 17:09:07,550 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:09:07,550 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, 1, 1, 1, 1] [2019-09-16 17:09:07,550 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:09:07,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:09:07,551 INFO L82 PathProgramCache]: Analyzing trace with hash -484120084, now seen corresponding path program 1 times [2019-09-16 17:09:07,551 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:09:07,553 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:09:07,554 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:09:07,554 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:09:07,554 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:09:07,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:09:07,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:09:07,770 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:09:07,770 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-09-16 17:09:07,770 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:09:07,771 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-09-16 17:09:07,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-09-16 17:09:07,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-09-16 17:09:07,772 INFO L87 Difference]: Start difference. First operand 117 states and 134 transitions. Second operand 10 states. [2019-09-16 17:09:08,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:09:08,427 INFO L93 Difference]: Finished difference Result 283 states and 337 transitions. [2019-09-16 17:09:08,427 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-09-16 17:09:08,428 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 65 [2019-09-16 17:09:08,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:09:08,432 INFO L225 Difference]: With dead ends: 283 [2019-09-16 17:09:08,432 INFO L226 Difference]: Without dead ends: 283 [2019-09-16 17:09:08,433 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 [2019-09-16 17:09:08,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2019-09-16 17:09:08,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 279. [2019-09-16 17:09:08,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 279 states. [2019-09-16 17:09:08,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 330 transitions. [2019-09-16 17:09:08,481 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 330 transitions. Word has length 65 [2019-09-16 17:09:08,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:09:08,481 INFO L475 AbstractCegarLoop]: Abstraction has 279 states and 330 transitions. [2019-09-16 17:09:08,482 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-09-16 17:09:08,482 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 330 transitions. [2019-09-16 17:09:08,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-09-16 17:09:08,485 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:09:08,485 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 17:09:08,485 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:09:08,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:09:08,486 INFO L82 PathProgramCache]: Analyzing trace with hash 1366686438, now seen corresponding path program 1 times [2019-09-16 17:09:08,486 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:09:08,489 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:09:08,489 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:09:08,489 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:09:08,489 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:09:08,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:09:08,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:09:08,565 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:09:08,565 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-16 17:09:08,565 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:09:08,568 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-16 17:09:08,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-16 17:09:08,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-16 17:09:08,569 INFO L87 Difference]: Start difference. First operand 279 states and 330 transitions. Second operand 3 states. [2019-09-16 17:09:08,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:09:08,581 INFO L93 Difference]: Finished difference Result 176 states and 194 transitions. [2019-09-16 17:09:08,581 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-16 17:09:08,581 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 69 [2019-09-16 17:09:08,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:09:08,584 INFO L225 Difference]: With dead ends: 176 [2019-09-16 17:09:08,584 INFO L226 Difference]: Without dead ends: 176 [2019-09-16 17:09:08,584 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-16 17:09:08,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2019-09-16 17:09:08,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 176. [2019-09-16 17:09:08,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176 states. [2019-09-16 17:09:08,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 194 transitions. [2019-09-16 17:09:08,608 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 194 transitions. Word has length 69 [2019-09-16 17:09:08,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:09:08,608 INFO L475 AbstractCegarLoop]: Abstraction has 176 states and 194 transitions. [2019-09-16 17:09:08,608 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-16 17:09:08,608 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 194 transitions. [2019-09-16 17:09:08,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2019-09-16 17:09:08,614 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:09:08,614 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-09-16 17:09:08,615 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:09:08,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:09:08,616 INFO L82 PathProgramCache]: Analyzing trace with hash -690184711, now seen corresponding path program 1 times [2019-09-16 17:09:08,616 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:09:08,619 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:09:08,619 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:09:08,619 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:09:08,620 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:09:08,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:09:08,777 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-09-16 17:09:08,777 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-16 17:09:08,778 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-16 17:09:08,779 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 111 with the following transitions: [2019-09-16 17:09:08,782 INFO L207 CegarAbsIntRunner]: [50], [51], [52], [54], [57], [59], [62], [68], [70], [71], [75], [78], [113], [129], [144], [147], [148], [149], [158], [162], [166], [169], [174], [180], [182], [188], [193], [214], [215], [223], [227], [233], [271], [275], [276], [279], [294], [297], [298], [299], [300], [393], [394], [404], [412], [413], [414], [415], [416], [418], [419], [420], [421], [422], [423], [424], [425], [426], [466], [467], [468], [469], [474], [475], [480], [481], [482], [483], [494], [495], [498], [506], [507], [508] [2019-09-16 17:09:08,829 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-16 17:09:08,829 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-16 17:09:08,911 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-16 17:09:08,913 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. [2019-09-16 17:09:08,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:09:08,918 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-16 17:09:08,970 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-09-16 17:09:08,971 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-16 17:09:08,975 INFO L420 sIntCurrentIteration]: We unified 109 AI predicates to 109 [2019-09-16 17:09:08,975 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-16 17:09:08,976 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-16 17:09:08,977 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 7 [2019-09-16 17:09:08,977 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:09:08,977 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-16 17:09:08,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-16 17:09:08,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-16 17:09:08,978 INFO L87 Difference]: Start difference. First operand 176 states and 194 transitions. Second operand 2 states. [2019-09-16 17:09:08,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:09:08,979 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-09-16 17:09:08,979 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-16 17:09:08,979 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 110 [2019-09-16 17:09:08,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:09:08,980 INFO L225 Difference]: With dead ends: 2 [2019-09-16 17:09:08,980 INFO L226 Difference]: Without dead ends: 0 [2019-09-16 17:09:08,980 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-16 17:09:08,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-16 17:09:08,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-16 17:09:08,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-16 17:09:08,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-16 17:09:08,982 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 110 [2019-09-16 17:09:08,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:09:08,982 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-16 17:09:08,982 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-16 17:09:08,982 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-16 17:09:08,982 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-16 17:09:08,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 05:09:08 BoogieIcfgContainer [2019-09-16 17:09:08,989 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-16 17:09:08,992 INFO L168 Benchmark]: Toolchain (without parser) took 4806.27 ms. Allocated memory was 131.6 MB in the beginning and 262.1 MB in the end (delta: 130.5 MB). Free memory was 84.7 MB in the beginning and 94.5 MB in the end (delta: -9.8 MB). Peak memory consumption was 120.8 MB. Max. memory is 7.1 GB. [2019-09-16 17:09:08,993 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 131.6 MB. Free memory was 104.5 MB in the beginning and 104.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-16 17:09:08,994 INFO L168 Benchmark]: CACSL2BoogieTranslator took 735.98 ms. Allocated memory was 131.6 MB in the beginning and 201.9 MB in the end (delta: 70.3 MB). Free memory was 84.5 MB in the beginning and 166.0 MB in the end (delta: -81.5 MB). Peak memory consumption was 26.4 MB. Max. memory is 7.1 GB. [2019-09-16 17:09:08,995 INFO L168 Benchmark]: Boogie Preprocessor took 114.79 ms. Allocated memory is still 201.9 MB. Free memory was 166.0 MB in the beginning and 162.2 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2019-09-16 17:09:08,996 INFO L168 Benchmark]: RCFGBuilder took 1152.47 ms. Allocated memory is still 201.9 MB. Free memory was 162.2 MB in the beginning and 78.6 MB in the end (delta: 83.6 MB). Peak memory consumption was 83.6 MB. Max. memory is 7.1 GB. [2019-09-16 17:09:08,997 INFO L168 Benchmark]: TraceAbstraction took 2798.64 ms. Allocated memory was 201.9 MB in the beginning and 262.1 MB in the end (delta: 60.3 MB). Free memory was 78.0 MB in the beginning and 94.5 MB in the end (delta: -16.5 MB). Peak memory consumption was 43.8 MB. Max. memory is 7.1 GB. [2019-09-16 17:09:09,002 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 131.6 MB. Free memory was 104.5 MB in the beginning and 104.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 735.98 ms. Allocated memory was 131.6 MB in the beginning and 201.9 MB in the end (delta: 70.3 MB). Free memory was 84.5 MB in the beginning and 166.0 MB in the end (delta: -81.5 MB). Peak memory consumption was 26.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 114.79 ms. Allocated memory is still 201.9 MB. Free memory was 166.0 MB in the beginning and 162.2 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1152.47 ms. Allocated memory is still 201.9 MB. Free memory was 162.2 MB in the beginning and 78.6 MB in the end (delta: 83.6 MB). Peak memory consumption was 83.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2798.64 ms. Allocated memory was 201.9 MB in the beginning and 262.1 MB in the end (delta: 60.3 MB). Free memory was 78.0 MB in the beginning and 94.5 MB in the end (delta: -16.5 MB). Peak memory consumption was 43.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 535]: 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 39 procedures, 228 locations, 1 error locations. SAFE Result, 2.7s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 1.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 671 SDtfs, 391 SDslu, 1362 SDs, 0 SdLazy, 451 SolverSat, 28 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 157 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=279occurred 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, 0.8990825688073395 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 389 NumberOfCodeBlocks, 389 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 383 ConstructedInterpolants, 0 QuantifiedInterpolants, 56381 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 33/37 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...