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_product21.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:30:48,684 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:30:48,688 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:30:48,711 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:30:48,711 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:30:48,713 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:30:48,714 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:30:48,721 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:30:48,723 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:30:48,724 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:30:48,726 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:30:48,727 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:30:48,728 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:30:48,729 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:30:48,730 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:30:48,731 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:30:48,732 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:30:48,733 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:30:48,734 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:30:48,736 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:30:48,738 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:30:48,739 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:30:48,740 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:30:48,745 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:30:48,748 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 13:30:48,749 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 13:30:48,749 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 13:30:48,750 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 13:30:48,750 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 13:30:48,752 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 13:30:48,753 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:30:48,754 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:30:48,755 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:30:48,755 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:30:48,760 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:30:48,760 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:30:48,761 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:30:48,761 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:30:48,761 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:30:48,762 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:30:48,767 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:30:48,768 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-20 13:30:48,786 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:30:48,786 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:30:48,786 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-20 13:30:48,787 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-20 13:30:48,787 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-20 13:30:48,787 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-20 13:30:48,788 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-20 13:30:48,788 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-20 13:30:48,788 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-20 13:30:48,788 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-20 13:30:48,789 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:30:48,789 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:30:48,789 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:30:48,790 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:30:48,790 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:30:48,790 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:30:48,790 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:30:48,790 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:30:48,791 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:30:48,791 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:30:48,791 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:30:48,791 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-20 13:30:48,791 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:30:48,792 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:30:48,792 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:30:48,792 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:30:48,792 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-20 13:30:48,792 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:30:48,793 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:30:48,793 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-20 13:30:48,824 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:30:48,838 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:30:48,842 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:30:48,843 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:30:48,844 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:30:48,845 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product21.cil.c [2019-09-20 13:30:48,916 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f2c0ec51/9ee45d53fc4240bcac350745661360f1/FLAG46bbaf84f [2019-09-20 13:30:49,455 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:30:49,456 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product21.cil.c [2019-09-20 13:30:49,477 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f2c0ec51/9ee45d53fc4240bcac350745661360f1/FLAG46bbaf84f [2019-09-20 13:30:49,760 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f2c0ec51/9ee45d53fc4240bcac350745661360f1 [2019-09-20 13:30:49,770 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:30:49,771 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:30:49,772 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:30:49,773 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:30:49,776 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:30:49,777 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:30:49" (1/1) ... [2019-09-20 13:30:49,780 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f808fcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:49, skipping insertion in model container [2019-09-20 13:30:49,781 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:30:49" (1/1) ... [2019-09-20 13:30:49,789 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:30:49,832 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:30:50,257 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:30:50,271 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:30:50,366 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:30:50,406 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:30:50,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:50 WrapperNode [2019-09-20 13:30:50,406 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:30:50,407 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:30:50,407 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:30:50,407 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:30:50,417 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:50" (1/1) ... [2019-09-20 13:30:50,417 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:50" (1/1) ... [2019-09-20 13:30:50,436 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:50" (1/1) ... [2019-09-20 13:30:50,436 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:50" (1/1) ... [2019-09-20 13:30:50,463 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:50" (1/1) ... [2019-09-20 13:30:50,473 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:50" (1/1) ... [2019-09-20 13:30:50,478 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:50" (1/1) ... [2019-09-20 13:30:50,485 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:30:50,486 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:30:50,486 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:30:50,486 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:30:50,487 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:50" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:30:50,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:30:50,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:30:50,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 13:30:50,546 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 13:30:50,546 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 13:30:50,546 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-20 13:30:50,546 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 13:30:50,546 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 13:30:50,546 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 13:30:50,546 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 13:30:50,547 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 13:30:50,547 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 13:30:50,548 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-20 13:30:50,548 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 13:30:50,549 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 13:30:50,549 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 13:30:50,549 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 13:30:50,549 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 13:30:50,549 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 13:30:50,549 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 13:30:50,550 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 13:30:50,550 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 13:30:50,550 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 13:30:50,550 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 13:30:50,550 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 13:30:50,550 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 13:30:50,551 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 13:30:50,551 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 13:30:50,551 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 13:30:50,551 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:30:50,551 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-20 13:30:50,551 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 13:30:50,552 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 13:30:50,552 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 13:30:50,552 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 13:30:50,552 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 13:30:50,552 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 13:30:50,552 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-20 13:30:50,553 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:30:50,553 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:30:50,553 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 13:30:50,553 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 13:30:50,553 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 13:30:50,553 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 13:30:50,554 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-20 13:30:50,554 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 13:30:50,554 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 13:30:50,554 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 13:30:50,554 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 13:30:50,554 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 13:30:50,554 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-20 13:30:50,555 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 13:30:50,555 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 13:30:50,555 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-20 13:30:50,555 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-20 13:30:50,555 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 13:30:50,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:30:50,555 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 13:30:50,556 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 13:30:50,556 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 13:30:50,556 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 13:30:50,556 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 13:30:50,556 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 13:30:50,556 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 13:30:50,557 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 13:30:50,557 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 13:30:50,557 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 13:30:50,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 13:30:50,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 13:30:50,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 13:30:50,557 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 13:30:50,558 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:30:50,558 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 13:30:50,558 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 13:30:50,558 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 13:30:50,558 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 13:30:50,558 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 13:30:50,559 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 13:30:50,559 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 13:30:50,559 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 13:30:50,559 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 13:30:50,559 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 13:30:50,559 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 13:30:50,560 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 13:30:50,560 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 13:30:50,560 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:30:50,560 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 13:30:50,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:30:50,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 13:30:50,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:30:51,611 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:30:51,612 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 13:30:51,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:30:51 BoogieIcfgContainer [2019-09-20 13:30:51,613 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:30:51,615 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:30:51,615 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:30:51,618 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:30:51,619 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:30:49" (1/3) ... [2019-09-20 13:30:51,619 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38f440a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:30:51, skipping insertion in model container [2019-09-20 13:30:51,620 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:50" (2/3) ... [2019-09-20 13:30:51,620 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38f440a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:30:51, skipping insertion in model container [2019-09-20 13:30:51,620 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:30:51" (3/3) ... [2019-09-20 13:30:51,622 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product21.cil.c [2019-09-20 13:30:51,632 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:30:51,641 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 13:30:51,659 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 13:30:51,687 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:30:51,687 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-20 13:30:51,687 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:30:51,688 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:30:51,688 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:30:51,688 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:30:51,688 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:30:51,689 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:30:51,708 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states. [2019-09-20 13:30:51,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-09-20 13:30:51,722 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:30:51,723 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:30:51,726 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:30:51,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:30:51,731 INFO L82 PathProgramCache]: Analyzing trace with hash 1715391972, now seen corresponding path program 1 times [2019-09-20 13:30:51,733 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:30:51,792 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:51,793 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:30:51,793 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:51,793 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:30:51,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:30:52,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:30:52,096 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:30:52,096 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-20 13:30:52,097 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:30:52,102 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-20 13:30:52,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-20 13:30:52,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:30:52,121 INFO L87 Difference]: Start difference. First operand 165 states. Second operand 2 states. [2019-09-20 13:30:52,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:30:52,151 INFO L93 Difference]: Finished difference Result 133 states and 155 transitions. [2019-09-20 13:30:52,151 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-20 13:30:52,152 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-09-20 13:30:52,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:30:52,166 INFO L225 Difference]: With dead ends: 133 [2019-09-20 13:30:52,166 INFO L226 Difference]: Without dead ends: 122 [2019-09-20 13:30:52,168 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:30:52,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2019-09-20 13:30:52,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2019-09-20 13:30:52,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2019-09-20 13:30:52,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 143 transitions. [2019-09-20 13:30:52,221 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 143 transitions. Word has length 46 [2019-09-20 13:30:52,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:30:52,222 INFO L475 AbstractCegarLoop]: Abstraction has 122 states and 143 transitions. [2019-09-20 13:30:52,222 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-20 13:30:52,222 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 143 transitions. [2019-09-20 13:30:52,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-09-20 13:30:52,226 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:30:52,226 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:30:52,227 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:30:52,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:30:52,227 INFO L82 PathProgramCache]: Analyzing trace with hash 1451016252, now seen corresponding path program 1 times [2019-09-20 13:30:52,227 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:30:52,230 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:52,230 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:30:52,230 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:52,230 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:30:52,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:30:52,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:30:52,388 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:30:52,388 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:30:52,388 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:30:52,391 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:30:52,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:30:52,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:30:52,392 INFO L87 Difference]: Start difference. First operand 122 states and 143 transitions. Second operand 3 states. [2019-09-20 13:30:52,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:30:52,407 INFO L93 Difference]: Finished difference Result 113 states and 131 transitions. [2019-09-20 13:30:52,408 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:30:52,408 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-09-20 13:30:52,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:30:52,410 INFO L225 Difference]: With dead ends: 113 [2019-09-20 13:30:52,410 INFO L226 Difference]: Without dead ends: 113 [2019-09-20 13:30:52,411 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:30:52,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2019-09-20 13:30:52,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2019-09-20 13:30:52,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2019-09-20 13:30:52,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 131 transitions. [2019-09-20 13:30:52,425 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 131 transitions. Word has length 47 [2019-09-20 13:30:52,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:30:52,425 INFO L475 AbstractCegarLoop]: Abstraction has 113 states and 131 transitions. [2019-09-20 13:30:52,425 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:30:52,426 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 131 transitions. [2019-09-20 13:30:52,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-09-20 13:30:52,428 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:30:52,429 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:30:52,429 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:30:52,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:30:52,429 INFO L82 PathProgramCache]: Analyzing trace with hash 880823031, now seen corresponding path program 1 times [2019-09-20 13:30:52,430 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:30:52,432 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:52,432 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:30:52,432 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:52,432 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:30:52,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:30:52,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:30:52,606 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:30:52,606 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-20 13:30:52,606 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:30:52,607 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-20 13:30:52,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-20 13:30:52,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:30:52,608 INFO L87 Difference]: Start difference. First operand 113 states and 131 transitions. Second operand 7 states. [2019-09-20 13:30:52,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:30:52,951 INFO L93 Difference]: Finished difference Result 113 states and 130 transitions. [2019-09-20 13:30:52,952 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-20 13:30:52,952 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2019-09-20 13:30:52,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:30:52,956 INFO L225 Difference]: With dead ends: 113 [2019-09-20 13:30:52,956 INFO L226 Difference]: Without dead ends: 113 [2019-09-20 13:30:52,957 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-09-20 13:30:52,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2019-09-20 13:30:52,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2019-09-20 13:30:52,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2019-09-20 13:30:52,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 130 transitions. [2019-09-20 13:30:52,981 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 130 transitions. Word has length 51 [2019-09-20 13:30:52,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:30:52,981 INFO L475 AbstractCegarLoop]: Abstraction has 113 states and 130 transitions. [2019-09-20 13:30:52,982 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-20 13:30:52,982 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 130 transitions. [2019-09-20 13:30:52,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-09-20 13:30:52,984 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:30:52,984 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] [2019-09-20 13:30:52,984 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:30:52,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:30:52,985 INFO L82 PathProgramCache]: Analyzing trace with hash 2056665484, now seen corresponding path program 1 times [2019-09-20 13:30:52,985 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:30:52,988 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:52,988 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:30:52,988 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:52,989 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:30:53,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:30:53,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:30:53,170 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:30:53,170 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-09-20 13:30:53,171 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:30:53,172 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-09-20 13:30:53,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-09-20 13:30:53,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-09-20 13:30:53,173 INFO L87 Difference]: Start difference. First operand 113 states and 130 transitions. Second operand 10 states. [2019-09-20 13:30:53,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:30:53,862 INFO L93 Difference]: Finished difference Result 271 states and 325 transitions. [2019-09-20 13:30:53,862 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-09-20 13:30:53,862 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 64 [2019-09-20 13:30:53,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:30:53,867 INFO L225 Difference]: With dead ends: 271 [2019-09-20 13:30:53,868 INFO L226 Difference]: Without dead ends: 271 [2019-09-20 13:30:53,868 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2019-09-20 13:30:53,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2019-09-20 13:30:53,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 267. [2019-09-20 13:30:53,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 267 states. [2019-09-20 13:30:53,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 318 transitions. [2019-09-20 13:30:53,916 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 318 transitions. Word has length 64 [2019-09-20 13:30:53,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:30:53,917 INFO L475 AbstractCegarLoop]: Abstraction has 267 states and 318 transitions. [2019-09-20 13:30:53,918 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-09-20 13:30:53,918 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 318 transitions. [2019-09-20 13:30:53,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-09-20 13:30:53,920 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:30:53,921 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] [2019-09-20 13:30:53,921 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:30:53,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:30:53,927 INFO L82 PathProgramCache]: Analyzing trace with hash -2113576122, now seen corresponding path program 1 times [2019-09-20 13:30:53,927 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:30:53,932 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:53,932 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:30:53,932 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:53,932 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:30:53,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:30:54,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:30:54,033 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:30:54,033 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:30:54,033 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:30:54,034 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:30:54,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:30:54,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:30:54,035 INFO L87 Difference]: Start difference. First operand 267 states and 318 transitions. Second operand 3 states. [2019-09-20 13:30:54,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:30:54,045 INFO L93 Difference]: Finished difference Result 164 states and 182 transitions. [2019-09-20 13:30:54,045 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:30:54,045 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2019-09-20 13:30:54,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:30:54,047 INFO L225 Difference]: With dead ends: 164 [2019-09-20 13:30:54,047 INFO L226 Difference]: Without dead ends: 164 [2019-09-20 13:30:54,048 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 [2019-09-20 13:30:54,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2019-09-20 13:30:54,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2019-09-20 13:30:54,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2019-09-20 13:30:54,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 182 transitions. [2019-09-20 13:30:54,058 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 182 transitions. Word has length 68 [2019-09-20 13:30:54,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:30:54,058 INFO L475 AbstractCegarLoop]: Abstraction has 164 states and 182 transitions. [2019-09-20 13:30:54,058 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:30:54,058 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 182 transitions. [2019-09-20 13:30:54,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-09-20 13:30:54,060 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:30:54,061 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:30:54,061 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:30:54,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:30:54,061 INFO L82 PathProgramCache]: Analyzing trace with hash -1672476349, now seen corresponding path program 1 times [2019-09-20 13:30:54,062 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:30:54,064 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:54,064 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:30:54,064 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:54,064 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:30:54,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:30:54,206 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-09-20 13:30:54,207 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:30:54,207 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-20 13:30:54,208 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 109 with the following transitions: [2019-09-20 13:30:54,211 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], [185], [213], [214], [222], [226], [232], [268], [272], [273], [276], [291], [294], [295], [296], [297], [390], [391], [401], [409], [410], [411], [412], [413], [415], [416], [417], [418], [419], [420], [421], [422], [423], [463], [464], [465], [466], [469], [470], [475], [476], [477], [478], [489], [490], [493], [501], [502], [503] [2019-09-20 13:30:54,261 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-20 13:30:54,261 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-20 13:30:54,346 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-20 13:30:54,348 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 68 root evaluator evaluations with a maximum evaluation depth of 0. Performed 68 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 126 variables. [2019-09-20 13:30:54,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:30:54,353 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-20 13:30:54,408 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-09-20 13:30:54,408 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-20 13:30:54,412 INFO L420 sIntCurrentIteration]: We unified 107 AI predicates to 107 [2019-09-20 13:30:54,412 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-20 13:30:54,413 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:30:54,413 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 7 [2019-09-20 13:30:54,413 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:30:54,414 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-20 13:30:54,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-20 13:30:54,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:30:54,415 INFO L87 Difference]: Start difference. First operand 164 states and 182 transitions. Second operand 2 states. [2019-09-20 13:30:54,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:30:54,415 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-09-20 13:30:54,415 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-20 13:30:54,415 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 108 [2019-09-20 13:30:54,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:30:54,416 INFO L225 Difference]: With dead ends: 2 [2019-09-20 13:30:54,416 INFO L226 Difference]: Without dead ends: 0 [2019-09-20 13:30:54,416 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:30:54,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-20 13:30:54,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-20 13:30:54,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-20 13:30:54,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-20 13:30:54,417 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 108 [2019-09-20 13:30:54,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:30:54,417 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-20 13:30:54,417 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-20 13:30:54,418 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-20 13:30:54,418 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-20 13:30:54,426 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:30:54 BoogieIcfgContainer [2019-09-20 13:30:54,427 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-20 13:30:54,430 INFO L168 Benchmark]: Toolchain (without parser) took 4657.05 ms. Allocated memory was 140.0 MB in the beginning and 262.1 MB in the end (delta: 122.2 MB). Free memory was 86.8 MB in the beginning and 93.2 MB in the end (delta: -6.4 MB). Peak memory consumption was 115.8 MB. Max. memory is 7.1 GB. [2019-09-20 13:30:54,431 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 140.0 MB. Free memory was 106.1 MB in the beginning and 105.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 13:30:54,432 INFO L168 Benchmark]: CACSL2BoogieTranslator took 634.33 ms. Allocated memory was 140.0 MB in the beginning and 199.8 MB in the end (delta: 59.8 MB). Free memory was 86.6 MB in the beginning and 166.7 MB in the end (delta: -80.1 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB. [2019-09-20 13:30:54,433 INFO L168 Benchmark]: Boogie Preprocessor took 78.39 ms. Allocated memory is still 199.8 MB. Free memory was 166.7 MB in the beginning and 162.1 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2019-09-20 13:30:54,434 INFO L168 Benchmark]: RCFGBuilder took 1127.85 ms. Allocated memory was 199.8 MB in the beginning and 224.4 MB in the end (delta: 24.6 MB). Free memory was 162.1 MB in the beginning and 195.4 MB in the end (delta: -33.3 MB). Peak memory consumption was 91.2 MB. Max. memory is 7.1 GB. [2019-09-20 13:30:54,435 INFO L168 Benchmark]: TraceAbstraction took 2811.95 ms. Allocated memory was 224.4 MB in the beginning and 262.1 MB in the end (delta: 37.7 MB). Free memory was 195.4 MB in the beginning and 93.2 MB in the end (delta: 102.2 MB). Peak memory consumption was 139.9 MB. Max. memory is 7.1 GB. [2019-09-20 13:30:54,439 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 140.0 MB. Free memory was 106.1 MB in the beginning and 105.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 634.33 ms. Allocated memory was 140.0 MB in the beginning and 199.8 MB in the end (delta: 59.8 MB). Free memory was 86.6 MB in the beginning and 166.7 MB in the end (delta: -80.1 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 78.39 ms. Allocated memory is still 199.8 MB. Free memory was 166.7 MB in the beginning and 162.1 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1127.85 ms. Allocated memory was 199.8 MB in the beginning and 224.4 MB in the end (delta: 24.6 MB). Free memory was 162.1 MB in the beginning and 195.4 MB in the end (delta: -33.3 MB). Peak memory consumption was 91.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2811.95 ms. Allocated memory was 224.4 MB in the beginning and 262.1 MB in the end (delta: 37.7 MB). Free memory was 195.4 MB in the beginning and 93.2 MB in the end (delta: 102.2 MB). Peak memory consumption was 139.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 300]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 224 locations, 1 error locations. SAFE Result, 2.7s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 1.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 649 SDtfs, 427 SDslu, 1288 SDs, 0 SdLazy, 432 SolverSat, 63 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 152 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=267occurred 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, 0.897196261682243 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, 384 NumberOfCodeBlocks, 384 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 378 ConstructedInterpolants, 0 QuantifiedInterpolants, 54179 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 32/36 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...