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_spec5_product33.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 02:58:56,707 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 02:58:56,709 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 02:58:56,721 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 02:58:56,722 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 02:58:56,723 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 02:58:56,724 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 02:58:56,726 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 02:58:56,728 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 02:58:56,729 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 02:58:56,730 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 02:58:56,731 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 02:58:56,731 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 02:58:56,732 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 02:58:56,733 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 02:58:56,735 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 02:58:56,735 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 02:58:56,737 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 02:58:56,739 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 02:58:56,741 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 02:58:56,742 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 02:58:56,744 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 02:58:56,745 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 02:58:56,746 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 02:58:56,748 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 02:58:56,749 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 02:58:56,749 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 02:58:56,750 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 02:58:56,750 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 02:58:56,751 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 02:58:56,752 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 02:58:56,752 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 02:58:56,753 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 02:58:56,754 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 02:58:56,755 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 02:58:56,755 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 02:58:56,756 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 02:58:56,756 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 02:58:56,756 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 02:58:56,757 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 02:58:56,758 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 02:58:56,759 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 02:58:56,782 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 02:58:56,783 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 02:58:56,783 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 02:58:56,784 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 02:58:56,785 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 02:58:56,785 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 02:58:56,785 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 02:58:56,785 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 02:58:56,786 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 02:58:56,786 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 02:58:56,788 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 02:58:56,788 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 02:58:56,788 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 02:58:56,789 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 02:58:56,789 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 02:58:56,789 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 02:58:56,789 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 02:58:56,790 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 02:58:56,790 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 02:58:56,790 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 02:58:56,791 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 02:58:56,791 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 02:58:56,792 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 02:58:56,792 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 02:58:56,792 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 02:58:56,792 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 02:58:56,793 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 02:58:56,793 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 02:58:56,793 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 02:58:56,793 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 02:58:56,854 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 02:58:56,866 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 02:58:56,870 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 02:58:56,871 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 02:58:56,872 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 02:58:56,873 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product33.cil.c [2019-10-03 02:58:56,936 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fecdd5078/006ad9b00c62411580699d102ae634da/FLAG6a43d9c88 [2019-10-03 02:58:57,417 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 02:58:57,418 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product33.cil.c [2019-10-03 02:58:57,438 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fecdd5078/006ad9b00c62411580699d102ae634da/FLAG6a43d9c88 [2019-10-03 02:58:57,780 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fecdd5078/006ad9b00c62411580699d102ae634da [2019-10-03 02:58:57,789 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 02:58:57,790 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 02:58:57,792 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 02:58:57,792 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 02:58:57,795 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 02:58:57,797 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:58:57" (1/1) ... [2019-10-03 02:58:57,802 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18051c45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:58:57, skipping insertion in model container [2019-10-03 02:58:57,802 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:58:57" (1/1) ... [2019-10-03 02:58:57,810 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 02:58:57,850 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 02:58:58,302 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:58:58,317 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 02:58:58,401 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:58:58,435 INFO L192 MainTranslator]: Completed translation [2019-10-03 02:58:58,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:58:58 WrapperNode [2019-10-03 02:58:58,436 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 02:58:58,437 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 02:58:58,437 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 02:58:58,437 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 02:58:58,451 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:58:58" (1/1) ... [2019-10-03 02:58:58,451 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:58:58" (1/1) ... [2019-10-03 02:58:58,477 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:58:58" (1/1) ... [2019-10-03 02:58:58,477 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:58:58" (1/1) ... [2019-10-03 02:58:58,512 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:58:58" (1/1) ... [2019-10-03 02:58:58,523 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:58:58" (1/1) ... [2019-10-03 02:58:58,528 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:58:58" (1/1) ... [2019-10-03 02:58:58,541 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 02:58:58,542 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 02:58:58,542 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 02:58:58,542 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 02:58:58,543 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:58:58" (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 02:58:58,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 02:58:58,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 02:58:58,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-03 02:58:58,625 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-03 02:58:58,625 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-03 02:58:58,626 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-03 02:58:58,626 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-03 02:58:58,626 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-03 02:58:58,626 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-03 02:58:58,626 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-03 02:58:58,626 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-03 02:58:58,627 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-03 02:58:58,627 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-03 02:58:58,627 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-03 02:58:58,627 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-03 02:58:58,627 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-03 02:58:58,627 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-03 02:58:58,628 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-03 02:58:58,628 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-03 02:58:58,628 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-03 02:58:58,628 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-03 02:58:58,628 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-03 02:58:58,628 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-03 02:58:58,629 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-03 02:58:58,629 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-03 02:58:58,629 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-03 02:58:58,629 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-03 02:58:58,629 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 02:58:58,629 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-03 02:58:58,630 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-03 02:58:58,630 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-03 02:58:58,630 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-03 02:58:58,630 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-03 02:58:58,630 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-03 02:58:58,630 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-03 02:58:58,630 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-03 02:58:58,631 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-10-03 02:58:58,631 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-10-03 02:58:58,631 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-10-03 02:58:58,631 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 02:58:58,631 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 02:58:58,631 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-03 02:58:58,632 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-03 02:58:58,632 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-03 02:58:58,632 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-03 02:58:58,632 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-03 02:58:58,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-03 02:58:58,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-03 02:58:58,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-03 02:58:58,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-03 02:58:58,633 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-03 02:58:58,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-03 02:58:58,633 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-03 02:58:58,633 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-03 02:58:58,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-03 02:58:58,634 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-03 02:58:58,634 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-03 02:58:58,634 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-03 02:58:58,634 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-03 02:58:58,634 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-03 02:58:58,634 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-03 02:58:58,634 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-03 02:58:58,635 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-03 02:58:58,635 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-03 02:58:58,635 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-03 02:58:58,635 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-03 02:58:58,635 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-03 02:58:58,635 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-03 02:58:58,636 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-03 02:58:58,636 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-03 02:58:58,636 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-03 02:58:58,636 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-03 02:58:58,636 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-10-03 02:58:58,636 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-10-03 02:58:58,637 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-03 02:58:58,637 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-03 02:58:58,637 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-03 02:58:58,637 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-03 02:58:58,637 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-03 02:58:58,637 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-03 02:58:58,637 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-03 02:58:58,638 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-03 02:58:58,638 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-03 02:58:58,638 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-03 02:58:58,638 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-10-03 02:58:58,638 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-03 02:58:58,638 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 02:58:58,639 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-03 02:58:58,639 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-03 02:58:58,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 02:58:58,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-03 02:58:58,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 02:58:59,818 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 02:58:59,818 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-03 02:58:59,820 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:58:59 BoogieIcfgContainer [2019-10-03 02:58:59,820 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 02:58:59,821 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-03 02:58:59,822 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-03 02:58:59,825 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-03 02:58:59,826 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.10 02:58:57" (1/3) ... [2019-10-03 02:58:59,826 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@429453be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:58:59, skipping insertion in model container [2019-10-03 02:58:59,827 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:58:58" (2/3) ... [2019-10-03 02:58:59,827 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@429453be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:58:59, skipping insertion in model container [2019-10-03 02:58:59,827 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:58:59" (3/3) ... [2019-10-03 02:58:59,829 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product33.cil.c [2019-10-03 02:58:59,841 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-03 02:58:59,851 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-03 02:58:59,870 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-03 02:58:59,902 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-03 02:58:59,902 INFO L378 AbstractCegarLoop]: Hoare is false [2019-10-03 02:58:59,902 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-03 02:58:59,902 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-03 02:58:59,903 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-03 02:58:59,903 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-03 02:58:59,903 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-03 02:58:59,903 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-03 02:58:59,925 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states. [2019-10-03 02:58:59,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-10-03 02:58:59,940 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:58:59,941 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] [2019-10-03 02:58:59,944 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:58:59,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:58:59,951 INFO L82 PathProgramCache]: Analyzing trace with hash -1965832149, now seen corresponding path program 1 times [2019-10-03 02:58:59,953 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:59:00,009 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:59:00,009 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:59:00,009 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:59:00,009 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:59:00,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:59:00,342 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 02:59:00,344 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:59:00,345 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-03 02:59:00,346 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:59:00,353 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:59:00,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:59:00,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:59:00,374 INFO L87 Difference]: Start difference. First operand 158 states. Second operand 2 states. [2019-10-03 02:59:00,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:59:00,421 INFO L93 Difference]: Finished difference Result 126 states and 147 transitions. [2019-10-03 02:59:00,425 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:59:00,427 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2019-10-03 02:59:00,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:59:00,446 INFO L225 Difference]: With dead ends: 126 [2019-10-03 02:59:00,448 INFO L226 Difference]: Without dead ends: 115 [2019-10-03 02:59:00,451 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 02:59:00,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2019-10-03 02:59:00,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2019-10-03 02:59:00,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2019-10-03 02:59:00,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 135 transitions. [2019-10-03 02:59:00,511 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 135 transitions. Word has length 59 [2019-10-03 02:59:00,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:59:00,511 INFO L475 AbstractCegarLoop]: Abstraction has 115 states and 135 transitions. [2019-10-03 02:59:00,511 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:59:00,512 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 135 transitions. [2019-10-03 02:59:00,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-10-03 02:59:00,515 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:59:00,516 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] [2019-10-03 02:59:00,516 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:59:00,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:59:00,516 INFO L82 PathProgramCache]: Analyzing trace with hash 1025601363, now seen corresponding path program 1 times [2019-10-03 02:59:00,517 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:59:00,519 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:59:00,519 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:59:00,520 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:59:00,520 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:59:00,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:59:00,622 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 02:59:00,622 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:59:00,622 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:59:00,623 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:59:00,624 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:59:00,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:59:00,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:59:00,625 INFO L87 Difference]: Start difference. First operand 115 states and 135 transitions. Second operand 3 states. [2019-10-03 02:59:00,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:59:00,640 INFO L93 Difference]: Finished difference Result 106 states and 123 transitions. [2019-10-03 02:59:00,640 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:59:00,640 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2019-10-03 02:59:00,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:59:00,643 INFO L225 Difference]: With dead ends: 106 [2019-10-03 02:59:00,643 INFO L226 Difference]: Without dead ends: 106 [2019-10-03 02:59:00,644 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 02:59:00,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2019-10-03 02:59:00,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2019-10-03 02:59:00,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2019-10-03 02:59:00,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 123 transitions. [2019-10-03 02:59:00,657 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 123 transitions. Word has length 60 [2019-10-03 02:59:00,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:59:00,658 INFO L475 AbstractCegarLoop]: Abstraction has 106 states and 123 transitions. [2019-10-03 02:59:00,658 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:59:00,658 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 123 transitions. [2019-10-03 02:59:00,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-10-03 02:59:00,661 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:59:00,661 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] [2019-10-03 02:59:00,661 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:59:00,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:59:00,662 INFO L82 PathProgramCache]: Analyzing trace with hash 1650494658, now seen corresponding path program 1 times [2019-10-03 02:59:00,662 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:59:00,664 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:59:00,665 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:59:00,665 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:59:00,665 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:59:00,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:59:00,847 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 02:59:00,847 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:59:00,847 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:59:00,847 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:59:00,848 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:59:00,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:59:00,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:59:00,850 INFO L87 Difference]: Start difference. First operand 106 states and 123 transitions. Second operand 3 states. [2019-10-03 02:59:00,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:59:00,873 INFO L93 Difference]: Finished difference Result 106 states and 122 transitions. [2019-10-03 02:59:00,873 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:59:00,874 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2019-10-03 02:59:00,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:59:00,876 INFO L225 Difference]: With dead ends: 106 [2019-10-03 02:59:00,877 INFO L226 Difference]: Without dead ends: 106 [2019-10-03 02:59:00,877 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 02:59:00,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2019-10-03 02:59:00,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2019-10-03 02:59:00,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2019-10-03 02:59:00,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 122 transitions. [2019-10-03 02:59:00,887 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 122 transitions. Word has length 64 [2019-10-03 02:59:00,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:59:00,889 INFO L475 AbstractCegarLoop]: Abstraction has 106 states and 122 transitions. [2019-10-03 02:59:00,889 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:59:00,890 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 122 transitions. [2019-10-03 02:59:00,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-10-03 02:59:00,892 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:59:00,892 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] [2019-10-03 02:59:00,893 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:59:00,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:59:00,893 INFO L82 PathProgramCache]: Analyzing trace with hash 1464836383, now seen corresponding path program 1 times [2019-10-03 02:59:00,893 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:59:00,896 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:59:00,897 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:59:00,897 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:59:00,897 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:59:00,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:59:01,009 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 02:59:01,009 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:59:01,009 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-03 02:59:01,010 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:59:01,010 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-03 02:59:01,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-03 02:59:01,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-03 02:59:01,011 INFO L87 Difference]: Start difference. First operand 106 states and 122 transitions. Second operand 5 states. [2019-10-03 02:59:01,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:59:01,518 INFO L93 Difference]: Finished difference Result 196 states and 231 transitions. [2019-10-03 02:59:01,518 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-03 02:59:01,518 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 72 [2019-10-03 02:59:01,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:59:01,521 INFO L225 Difference]: With dead ends: 196 [2019-10-03 02:59:01,521 INFO L226 Difference]: Without dead ends: 196 [2019-10-03 02:59:01,522 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-03 02:59:01,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2019-10-03 02:59:01,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 178. [2019-10-03 02:59:01,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states. [2019-10-03 02:59:01,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 207 transitions. [2019-10-03 02:59:01,545 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 207 transitions. Word has length 72 [2019-10-03 02:59:01,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:59:01,545 INFO L475 AbstractCegarLoop]: Abstraction has 178 states and 207 transitions. [2019-10-03 02:59:01,546 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-03 02:59:01,546 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 207 transitions. [2019-10-03 02:59:01,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2019-10-03 02:59:01,551 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:59:01,551 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] [2019-10-03 02:59:01,552 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:59:01,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:59:01,552 INFO L82 PathProgramCache]: Analyzing trace with hash 402114491, now seen corresponding path program 1 times [2019-10-03 02:59:01,552 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:59:01,557 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:59:01,557 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:59:01,558 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:59:01,558 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:59:01,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:59:01,732 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-03 02:59:01,732 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:59:01,733 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-03 02:59:01,733 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:59:01,735 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-03 02:59:01,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-03 02:59:01,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-03 02:59:01,737 INFO L87 Difference]: Start difference. First operand 178 states and 207 transitions. Second operand 7 states. [2019-10-03 02:59:02,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:59:02,421 INFO L93 Difference]: Finished difference Result 195 states and 230 transitions. [2019-10-03 02:59:02,421 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-03 02:59:02,421 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 86 [2019-10-03 02:59:02,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:59:02,423 INFO L225 Difference]: With dead ends: 195 [2019-10-03 02:59:02,424 INFO L226 Difference]: Without dead ends: 195 [2019-10-03 02:59:02,424 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-03 02:59:02,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2019-10-03 02:59:02,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 177. [2019-10-03 02:59:02,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 177 states. [2019-10-03 02:59:02,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 204 transitions. [2019-10-03 02:59:02,444 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 204 transitions. Word has length 86 [2019-10-03 02:59:02,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:59:02,444 INFO L475 AbstractCegarLoop]: Abstraction has 177 states and 204 transitions. [2019-10-03 02:59:02,444 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-03 02:59:02,445 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 204 transitions. [2019-10-03 02:59:02,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-10-03 02:59:02,446 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:59:02,446 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] [2019-10-03 02:59:02,447 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:59:02,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:59:02,447 INFO L82 PathProgramCache]: Analyzing trace with hash -1072290173, now seen corresponding path program 1 times [2019-10-03 02:59:02,447 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:59:02,450 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:59:02,450 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:59:02,450 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:59:02,450 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:59:02,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:59:02,597 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 02:59:02,597 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:59:02,598 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-03 02:59:02,598 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:59:02,598 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-03 02:59:02,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-03 02:59:02,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-03 02:59:02,599 INFO L87 Difference]: Start difference. First operand 177 states and 204 transitions. Second operand 6 states. [2019-10-03 02:59:02,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:59:02,638 INFO L93 Difference]: Finished difference Result 182 states and 209 transitions. [2019-10-03 02:59:02,638 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-03 02:59:02,638 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 87 [2019-10-03 02:59:02,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:59:02,642 INFO L225 Difference]: With dead ends: 182 [2019-10-03 02:59:02,642 INFO L226 Difference]: Without dead ends: 182 [2019-10-03 02:59:02,643 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 02:59:02,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2019-10-03 02:59:02,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 182. [2019-10-03 02:59:02,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2019-10-03 02:59:02,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 209 transitions. [2019-10-03 02:59:02,656 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 209 transitions. Word has length 87 [2019-10-03 02:59:02,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:59:02,656 INFO L475 AbstractCegarLoop]: Abstraction has 182 states and 209 transitions. [2019-10-03 02:59:02,656 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-03 02:59:02,656 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 209 transitions. [2019-10-03 02:59:02,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-10-03 02:59:02,658 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:59:02,658 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] [2019-10-03 02:59:02,659 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:59:02,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:59:02,659 INFO L82 PathProgramCache]: Analyzing trace with hash 313913221, now seen corresponding path program 1 times [2019-10-03 02:59:02,659 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:59:02,661 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:59:02,661 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:59:02,662 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:59:02,662 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:59:02,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:59:02,758 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 02:59:02,758 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:59:02,758 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-03 02:59:02,758 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:59:02,760 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-03 02:59:02,760 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-03 02:59:02,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-03 02:59:02,762 INFO L87 Difference]: Start difference. First operand 182 states and 209 transitions. Second operand 8 states. [2019-10-03 02:59:02,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:59:02,799 INFO L93 Difference]: Finished difference Result 189 states and 216 transitions. [2019-10-03 02:59:02,801 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-03 02:59:02,802 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 87 [2019-10-03 02:59:02,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:59:02,804 INFO L225 Difference]: With dead ends: 189 [2019-10-03 02:59:02,804 INFO L226 Difference]: Without dead ends: 189 [2019-10-03 02:59:02,804 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 02:59:02,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2019-10-03 02:59:02,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 186. [2019-10-03 02:59:02,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2019-10-03 02:59:02,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 213 transitions. [2019-10-03 02:59:02,826 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 213 transitions. Word has length 87 [2019-10-03 02:59:02,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:59:02,827 INFO L475 AbstractCegarLoop]: Abstraction has 186 states and 213 transitions. [2019-10-03 02:59:02,827 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-03 02:59:02,827 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 213 transitions. [2019-10-03 02:59:02,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-10-03 02:59:02,831 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:59:02,832 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] [2019-10-03 02:59:02,832 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:59:02,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:59:02,832 INFO L82 PathProgramCache]: Analyzing trace with hash -1869763706, now seen corresponding path program 1 times [2019-10-03 02:59:02,833 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:59:02,835 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:59:02,835 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:59:02,835 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:59:02,836 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:59:02,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:59:02,931 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 02:59:02,931 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:59:02,931 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-03 02:59:02,932 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:59:02,933 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-03 02:59:02,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-03 02:59:02,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-03 02:59:02,938 INFO L87 Difference]: Start difference. First operand 186 states and 213 transitions. Second operand 4 states. [2019-10-03 02:59:03,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:59:03,168 INFO L93 Difference]: Finished difference Result 376 states and 448 transitions. [2019-10-03 02:59:03,169 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-03 02:59:03,169 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 87 [2019-10-03 02:59:03,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:59:03,176 INFO L225 Difference]: With dead ends: 376 [2019-10-03 02:59:03,176 INFO L226 Difference]: Without dead ends: 376 [2019-10-03 02:59:03,177 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 1 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 02:59:03,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2019-10-03 02:59:03,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 367. [2019-10-03 02:59:03,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 367 states. [2019-10-03 02:59:03,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 431 transitions. [2019-10-03 02:59:03,213 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 431 transitions. Word has length 87 [2019-10-03 02:59:03,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:59:03,214 INFO L475 AbstractCegarLoop]: Abstraction has 367 states and 431 transitions. [2019-10-03 02:59:03,214 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-03 02:59:03,214 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 431 transitions. [2019-10-03 02:59:03,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2019-10-03 02:59:03,217 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:59:03,217 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] [2019-10-03 02:59:03,217 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:59:03,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:59:03,218 INFO L82 PathProgramCache]: Analyzing trace with hash -1799982100, now seen corresponding path program 1 times [2019-10-03 02:59:03,218 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:59:03,220 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:59:03,221 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:59:03,221 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:59:03,221 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:59:03,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:59:03,464 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 02:59:03,464 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:59:03,464 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-03 02:59:03,464 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:59:03,465 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-03 02:59:03,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-03 02:59:03,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-10-03 02:59:03,466 INFO L87 Difference]: Start difference. First operand 367 states and 431 transitions. Second operand 9 states. [2019-10-03 02:59:04,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:59:04,431 INFO L93 Difference]: Finished difference Result 686 states and 804 transitions. [2019-10-03 02:59:04,432 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-03 02:59:04,432 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 91 [2019-10-03 02:59:04,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:59:04,436 INFO L225 Difference]: With dead ends: 686 [2019-10-03 02:59:04,436 INFO L226 Difference]: Without dead ends: 686 [2019-10-03 02:59:04,436 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2019-10-03 02:59:04,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 686 states. [2019-10-03 02:59:04,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 686 to 616. [2019-10-03 02:59:04,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 616 states. [2019-10-03 02:59:04,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 616 states and 715 transitions. [2019-10-03 02:59:04,467 INFO L78 Accepts]: Start accepts. Automaton has 616 states and 715 transitions. Word has length 91 [2019-10-03 02:59:04,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:59:04,468 INFO L475 AbstractCegarLoop]: Abstraction has 616 states and 715 transitions. [2019-10-03 02:59:04,468 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-03 02:59:04,468 INFO L276 IsEmpty]: Start isEmpty. Operand 616 states and 715 transitions. [2019-10-03 02:59:04,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2019-10-03 02:59:04,470 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:59:04,470 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:59:04,471 INFO L418 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:59:04,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:59:04,471 INFO L82 PathProgramCache]: Analyzing trace with hash 476527769, now seen corresponding path program 1 times [2019-10-03 02:59:04,471 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:59:04,473 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:59:04,473 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:59:04,473 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:59:04,474 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:59:04,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:59:04,607 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 22 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-03 02:59:04,607 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-03 02:59:04,607 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-10-03 02:59:04,608 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 135 with the following transitions: [2019-10-03 02:59:04,611 INFO L207 CegarAbsIntRunner]: [50], [51], [52], [56], [59], [83], [99], [103], [104], [105], [108], [110], [113], [120], [123], [124], [125], [134], [138], [142], [145], [148], [150], [156], [158], [161], [185], [186], [187], [189], [194], [196], [197], [198], [199], [203], [206], [210], [216], [247], [251], [254], [258], [259], [262], [263], [264], [266], [267], [268], [270], [273], [275], [278], [281], [290], [292], [293], [294], [388], [389], [399], [407], [408], [409], [410], [411], [412], [413], [414], [415], [447], [448], [449], [450], [453], [454], [455], [456], [459], [460], [463], [464], [465], [466], [467], [468], [469], [470], [471], [472], [477], [478], [479], [480], [481], [482], [483], [487], [488], [489], [497], [498], [499] [2019-10-03 02:59:04,656 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-03 02:59:04,656 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-03 02:59:04,734 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-03 02:59:04,736 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 69 root evaluator evaluations with a maximum evaluation depth of 0. Performed 69 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 128 variables. [2019-10-03 02:59:04,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:59:04,741 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-03 02:59:04,793 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-03 02:59:04,793 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-10-03 02:59:04,797 INFO L420 sIntCurrentIteration]: We unified 133 AI predicates to 133 [2019-10-03 02:59:04,798 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-03 02:59:04,798 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-03 02:59:04,799 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [11] total 11 [2019-10-03 02:59:04,799 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:59:04,799 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:59:04,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:59:04,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:59:04,800 INFO L87 Difference]: Start difference. First operand 616 states and 715 transitions. Second operand 2 states. [2019-10-03 02:59:04,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:59:04,801 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-10-03 02:59:04,801 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:59:04,801 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 134 [2019-10-03 02:59:04,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:59:04,801 INFO L225 Difference]: With dead ends: 2 [2019-10-03 02:59:04,801 INFO L226 Difference]: Without dead ends: 0 [2019-10-03 02:59:04,802 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 133 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 02:59:04,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-03 02:59:04,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-03 02:59:04,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-03 02:59:04,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-03 02:59:04,803 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 134 [2019-10-03 02:59:04,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:59:04,803 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-03 02:59:04,803 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:59:04,803 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-03 02:59:04,803 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-03 02:59:04,809 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 02:59:04 BoogieIcfgContainer [2019-10-03 02:59:04,809 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-03 02:59:04,812 INFO L168 Benchmark]: Toolchain (without parser) took 7020.29 ms. Allocated memory was 139.5 MB in the beginning and 325.1 MB in the end (delta: 185.6 MB). Free memory was 86.3 MB in the beginning and 116.1 MB in the end (delta: -29.8 MB). Peak memory consumption was 155.8 MB. Max. memory is 7.1 GB. [2019-10-03 02:59:04,813 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory was 105.5 MB in the beginning and 105.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-03 02:59:04,814 INFO L168 Benchmark]: CACSL2BoogieTranslator took 645.05 ms. Allocated memory was 139.5 MB in the beginning and 199.8 MB in the end (delta: 60.3 MB). Free memory was 86.1 MB in the beginning and 165.8 MB in the end (delta: -79.7 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. [2019-10-03 02:59:04,815 INFO L168 Benchmark]: Boogie Preprocessor took 104.43 ms. Allocated memory is still 199.8 MB. Free memory was 165.8 MB in the beginning and 161.4 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-10-03 02:59:04,815 INFO L168 Benchmark]: RCFGBuilder took 1278.47 ms. Allocated memory was 199.8 MB in the beginning and 223.9 MB in the end (delta: 24.1 MB). Free memory was 161.4 MB in the beginning and 191.5 MB in the end (delta: -30.1 MB). Peak memory consumption was 91.1 MB. Max. memory is 7.1 GB. [2019-10-03 02:59:04,816 INFO L168 Benchmark]: TraceAbstraction took 4987.73 ms. Allocated memory was 223.9 MB in the beginning and 325.1 MB in the end (delta: 101.2 MB). Free memory was 191.5 MB in the beginning and 116.1 MB in the end (delta: 75.4 MB). Peak memory consumption was 176.6 MB. Max. memory is 7.1 GB. [2019-10-03 02:59:04,820 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory was 105.5 MB in the beginning and 105.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 645.05 ms. Allocated memory was 139.5 MB in the beginning and 199.8 MB in the end (delta: 60.3 MB). Free memory was 86.1 MB in the beginning and 165.8 MB in the end (delta: -79.7 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 104.43 ms. Allocated memory is still 199.8 MB. Free memory was 165.8 MB in the beginning and 161.4 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1278.47 ms. Allocated memory was 199.8 MB in the beginning and 223.9 MB in the end (delta: 24.1 MB). Free memory was 161.4 MB in the beginning and 191.5 MB in the end (delta: -30.1 MB). Peak memory consumption was 91.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4987.73 ms. Allocated memory was 223.9 MB in the beginning and 325.1 MB in the end (delta: 101.2 MB). Free memory was 191.5 MB in the beginning and 116.1 MB in the end (delta: 75.4 MB). Peak memory consumption was 176.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 780]: 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, 225 locations, 1 error locations. SAFE Result, 4.9s OverallTime, 10 OverallIterations, 3 TraceHistogramMax, 2.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1256 SDtfs, 884 SDslu, 2192 SDs, 0 SdLazy, 1313 SolverSat, 323 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 225 GetRequests, 176 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=616occurred 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, 0.8872180451127819 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 118 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 827 NumberOfCodeBlocks, 827 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 817 ConstructedInterpolants, 0 QuantifiedInterpolants, 119205 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 9 PerfectInterpolantSequences, 60/65 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...