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_product25.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:30:50,484 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:30:50,487 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:30:50,504 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:30:50,504 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:30:50,506 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:30:50,508 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:30:50,515 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:30:50,516 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:30:50,520 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:30:50,521 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:30:50,522 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:30:50,523 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:30:50,526 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:30:50,527 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:30:50,528 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:30:50,530 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:30:50,531 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:30:50,535 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:30:50,538 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:30:50,539 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:30:50,542 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:30:50,545 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:30:50,546 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:30:50,549 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 13:30:50,549 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 13:30:50,549 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 13:30:50,552 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 13:30:50,554 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 13:30:50,556 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 13:30:50,556 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:30:50,557 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:30:50,557 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:30:50,558 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:30:50,562 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:30:50,563 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:30:50,563 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:30:50,563 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:30:50,564 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:30:50,564 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:30:50,565 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:30:50,566 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 13:30:50,586 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:30:50,586 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:30:50,587 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-20 13:30:50,587 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-20 13:30:50,588 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-20 13:30:50,588 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-20 13:30:50,588 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-20 13:30:50,588 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-20 13:30:50,588 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-20 13:30:50,589 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-20 13:30:50,589 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:30:50,589 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:30:50,590 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:30:50,590 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:30:50,590 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:30:50,590 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:30:50,590 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:30:50,591 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:30:50,591 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:30:50,591 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:30:50,591 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:30:50,591 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-20 13:30:50,592 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:30:50,592 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:30:50,592 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:30:50,592 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:30:50,592 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-20 13:30:50,593 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:30:50,593 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:30:50,593 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-20 13:30:50,620 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:30:50,633 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:30:50,636 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:30:50,637 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:30:50,638 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:30:50,638 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product25.cil.c [2019-09-20 13:30:50,703 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/996541b59/28099dc7b7cb444da648299a2d8de933/FLAGb1bfbfb0a [2019-09-20 13:30:51,220 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:30:51,221 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product25.cil.c [2019-09-20 13:30:51,239 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/996541b59/28099dc7b7cb444da648299a2d8de933/FLAGb1bfbfb0a [2019-09-20 13:30:51,589 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/996541b59/28099dc7b7cb444da648299a2d8de933 [2019-09-20 13:30:51,598 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:30:51,599 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:30:51,600 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:30:51,601 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:30:51,604 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:30:51,605 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:30:51" (1/1) ... [2019-09-20 13:30:51,608 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@412402a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:51, skipping insertion in model container [2019-09-20 13:30:51,608 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:30:51" (1/1) ... [2019-09-20 13:30:51,615 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:30:51,680 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:30:52,134 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:30:52,147 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:30:52,248 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:30:52,284 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:30:52,285 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:52 WrapperNode [2019-09-20 13:30:52,285 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:30:52,286 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:30:52,286 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:30:52,286 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:30:52,296 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:52" (1/1) ... [2019-09-20 13:30:52,296 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:52" (1/1) ... [2019-09-20 13:30:52,314 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:52" (1/1) ... [2019-09-20 13:30:52,314 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:52" (1/1) ... [2019-09-20 13:30:52,346 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:52" (1/1) ... [2019-09-20 13:30:52,356 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:52" (1/1) ... [2019-09-20 13:30:52,361 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:52" (1/1) ... [2019-09-20 13:30:52,369 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:30:52,370 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:30:52,370 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:30:52,370 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:30:52,371 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:52" (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 13:30:52,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:30:52,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:30:52,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 13:30:52,434 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 13:30:52,434 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 13:30:52,435 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 13:30:52,435 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 13:30:52,435 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 13:30:52,435 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-20 13:30:52,435 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 13:30:52,435 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 13:30:52,436 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 13:30:52,436 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 13:30:52,436 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 13:30:52,436 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-20 13:30:52,436 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 13:30:52,436 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 13:30:52,437 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 13:30:52,437 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 13:30:52,437 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-20 13:30:52,437 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 13:30:52,437 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 13:30:52,437 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 13:30:52,438 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 13:30:52,438 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 13:30:52,438 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 13:30:52,438 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-20 13:30:52,438 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 13:30:52,438 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 13:30:52,439 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 13:30:52,439 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 13:30:52,439 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 13:30:52,439 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 13:30:52,439 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 13:30:52,439 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 13:30:52,439 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 13:30:52,440 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 13:30:52,440 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:30:52,440 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:30:52,440 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:30:52,440 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 13:30:52,440 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 13:30:52,440 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 13:30:52,441 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 13:30:52,441 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 13:30:52,441 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 13:30:52,441 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 13:30:52,441 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 13:30:52,441 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 13:30:52,442 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 13:30:52,442 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-20 13:30:52,442 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 13:30:52,442 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 13:30:52,442 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 13:30:52,442 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 13:30:52,442 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-20 13:30:52,443 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 13:30:52,443 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 13:30:52,443 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-20 13:30:52,443 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-20 13:30:52,443 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 13:30:52,443 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:30:52,444 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 13:30:52,444 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 13:30:52,444 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 13:30:52,444 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 13:30:52,444 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 13:30:52,444 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 13:30:52,444 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 13:30:52,445 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 13:30:52,445 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 13:30:52,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 13:30:52,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 13:30:52,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 13:30:52,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 13:30:52,446 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 13:30:52,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:30:52,446 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 13:30:52,446 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 13:30:52,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 13:30:52,446 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 13:30:52,446 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 13:30:52,447 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 13:30:52,447 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 13:30:52,447 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 13:30:52,447 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 13:30:52,447 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:30:52,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:30:52,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 13:30:52,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:30:53,560 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:30:53,560 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 13:30:53,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:30:53 BoogieIcfgContainer [2019-09-20 13:30:53,563 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:30:53,564 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:30:53,565 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:30:53,567 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:30:53,568 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:30:51" (1/3) ... [2019-09-20 13:30:53,569 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a51ef8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:30:53, skipping insertion in model container [2019-09-20 13:30:53,569 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:52" (2/3) ... [2019-09-20 13:30:53,570 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a51ef8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:30:53, skipping insertion in model container [2019-09-20 13:30:53,570 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:30:53" (3/3) ... [2019-09-20 13:30:53,572 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product25.cil.c [2019-09-20 13:30:53,582 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:30:53,592 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 13:30:53,609 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 13:30:53,656 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:30:53,656 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-20 13:30:53,656 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:30:53,656 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:30:53,657 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:30:53,657 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:30:53,657 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:30:53,657 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:30:53,681 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states. [2019-09-20 13:30:53,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-09-20 13:30:53,693 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:30:53,694 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 13:30:53,696 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:30:53,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:30:53,700 INFO L82 PathProgramCache]: Analyzing trace with hash -1693195754, now seen corresponding path program 1 times [2019-09-20 13:30:53,702 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:30:53,753 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:53,753 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:30:53,753 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:53,754 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:30:53,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:30:54,036 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 13:30:54,039 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:30:54,039 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-20 13:30:54,039 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:30:54,045 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-20 13:30:54,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-20 13:30:54,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:30:54,062 INFO L87 Difference]: Start difference. First operand 147 states. Second operand 2 states. [2019-09-20 13:30:54,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:30:54,090 INFO L93 Difference]: Finished difference Result 115 states and 133 transitions. [2019-09-20 13:30:54,090 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-20 13:30:54,092 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-09-20 13:30:54,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:30:54,111 INFO L225 Difference]: With dead ends: 115 [2019-09-20 13:30:54,111 INFO L226 Difference]: Without dead ends: 104 [2019-09-20 13:30:54,117 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 13:30:54,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2019-09-20 13:30:54,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2019-09-20 13:30:54,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2019-09-20 13:30:54,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 121 transitions. [2019-09-20 13:30:54,172 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 121 transitions. Word has length 46 [2019-09-20 13:30:54,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:30:54,172 INFO L475 AbstractCegarLoop]: Abstraction has 104 states and 121 transitions. [2019-09-20 13:30:54,173 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-20 13:30:54,173 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 121 transitions. [2019-09-20 13:30:54,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-09-20 13:30:54,176 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:30:54,176 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 13:30:54,177 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:30:54,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:30:54,177 INFO L82 PathProgramCache]: Analyzing trace with hash -1772398770, now seen corresponding path program 1 times [2019-09-20 13:30:54,177 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:30:54,180 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:54,180 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:30:54,180 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:54,180 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:30:54,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:30:54,339 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 13:30:54,339 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:30:54,339 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:30:54,339 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:30:54,341 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:30:54,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:30:54,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:30:54,342 INFO L87 Difference]: Start difference. First operand 104 states and 121 transitions. Second operand 3 states. [2019-09-20 13:30:54,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:30:54,366 INFO L93 Difference]: Finished difference Result 95 states and 109 transitions. [2019-09-20 13:30:54,368 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:30:54,368 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-09-20 13:30:54,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:30:54,370 INFO L225 Difference]: With dead ends: 95 [2019-09-20 13:30:54,370 INFO L226 Difference]: Without dead ends: 95 [2019-09-20 13:30:54,374 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 13:30:54,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2019-09-20 13:30:54,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2019-09-20 13:30:54,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2019-09-20 13:30:54,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 109 transitions. [2019-09-20 13:30:54,388 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 109 transitions. Word has length 47 [2019-09-20 13:30:54,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:30:54,388 INFO L475 AbstractCegarLoop]: Abstraction has 95 states and 109 transitions. [2019-09-20 13:30:54,389 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:30:54,389 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 109 transitions. [2019-09-20 13:30:54,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-09-20 13:30:54,391 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:30:54,391 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 13:30:54,391 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:30:54,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:30:54,392 INFO L82 PathProgramCache]: Analyzing trace with hash 1028244918, now seen corresponding path program 1 times [2019-09-20 13:30:54,392 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:30:54,394 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:54,394 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:30:54,395 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:54,395 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:30:54,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:30:54,479 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 13:30:54,479 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:30:54,479 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:30:54,479 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:30:54,480 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:30:54,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:30:54,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:30:54,481 INFO L87 Difference]: Start difference. First operand 95 states and 109 transitions. Second operand 3 states. [2019-09-20 13:30:54,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:30:54,499 INFO L93 Difference]: Finished difference Result 95 states and 108 transitions. [2019-09-20 13:30:54,499 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:30:54,499 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2019-09-20 13:30:54,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:30:54,502 INFO L225 Difference]: With dead ends: 95 [2019-09-20 13:30:54,502 INFO L226 Difference]: Without dead ends: 95 [2019-09-20 13:30:54,503 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 13:30:54,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2019-09-20 13:30:54,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2019-09-20 13:30:54,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2019-09-20 13:30:54,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 108 transitions. [2019-09-20 13:30:54,513 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 108 transitions. Word has length 51 [2019-09-20 13:30:54,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:30:54,514 INFO L475 AbstractCegarLoop]: Abstraction has 95 states and 108 transitions. [2019-09-20 13:30:54,514 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:30:54,514 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 108 transitions. [2019-09-20 13:30:54,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-09-20 13:30:54,516 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:30:54,517 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] [2019-09-20 13:30:54,517 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:30:54,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:30:54,517 INFO L82 PathProgramCache]: Analyzing trace with hash 1294561485, now seen corresponding path program 1 times [2019-09-20 13:30:54,517 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:30:54,520 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:54,520 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:30:54,520 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:54,520 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:30:54,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:30:54,677 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 13:30:54,678 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:30:54,678 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-09-20 13:30:54,678 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:30:54,679 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-09-20 13:30:54,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-09-20 13:30:54,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-09-20 13:30:54,680 INFO L87 Difference]: Start difference. First operand 95 states and 108 transitions. Second operand 10 states. [2019-09-20 13:30:55,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:30:55,327 INFO L93 Difference]: Finished difference Result 217 states and 259 transitions. [2019-09-20 13:30:55,328 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-09-20 13:30:55,328 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 59 [2019-09-20 13:30:55,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:30:55,332 INFO L225 Difference]: With dead ends: 217 [2019-09-20 13:30:55,333 INFO L226 Difference]: Without dead ends: 217 [2019-09-20 13:30:55,333 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2019-09-20 13:30:55,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2019-09-20 13:30:55,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 213. [2019-09-20 13:30:55,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 213 states. [2019-09-20 13:30:55,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 252 transitions. [2019-09-20 13:30:55,384 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 252 transitions. Word has length 59 [2019-09-20 13:30:55,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:30:55,385 INFO L475 AbstractCegarLoop]: Abstraction has 213 states and 252 transitions. [2019-09-20 13:30:55,385 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-09-20 13:30:55,386 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 252 transitions. [2019-09-20 13:30:55,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-09-20 13:30:55,393 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:30:55,393 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] [2019-09-20 13:30:55,394 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:30:55,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:30:55,394 INFO L82 PathProgramCache]: Analyzing trace with hash 1693659129, now seen corresponding path program 1 times [2019-09-20 13:30:55,394 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:30:55,399 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:55,399 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:30:55,399 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:55,399 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:30:55,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:30:55,526 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 13:30:55,526 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:30:55,526 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:30:55,526 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:30:55,527 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:30:55,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:30:55,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:30:55,529 INFO L87 Difference]: Start difference. First operand 213 states and 252 transitions. Second operand 3 states. [2019-09-20 13:30:55,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:30:55,542 INFO L93 Difference]: Finished difference Result 149 states and 167 transitions. [2019-09-20 13:30:55,542 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:30:55,543 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 67 [2019-09-20 13:30:55,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:30:55,548 INFO L225 Difference]: With dead ends: 149 [2019-09-20 13:30:55,548 INFO L226 Difference]: Without dead ends: 149 [2019-09-20 13:30:55,549 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 13:30:55,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2019-09-20 13:30:55,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2019-09-20 13:30:55,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2019-09-20 13:30:55,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 167 transitions. [2019-09-20 13:30:55,568 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 167 transitions. Word has length 67 [2019-09-20 13:30:55,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:30:55,571 INFO L475 AbstractCegarLoop]: Abstraction has 149 states and 167 transitions. [2019-09-20 13:30:55,571 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:30:55,572 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 167 transitions. [2019-09-20 13:30:55,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-09-20 13:30:55,575 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:30:55,576 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:30:55,576 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:30:55,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:30:55,576 INFO L82 PathProgramCache]: Analyzing trace with hash -562526623, now seen corresponding path program 1 times [2019-09-20 13:30:55,577 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:30:55,581 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:55,581 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:30:55,581 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:55,581 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:30:55,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:30:55,725 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-09-20 13:30:55,726 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:30:55,726 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-20 13:30:55,727 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 99 with the following transitions: [2019-09-20 13:30:55,730 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], [224], [225], [231], [235], [241], [279], [283], [284], [287], [288], [289], [382], [383], [393], [401], [402], [403], [404], [405], [407], [408], [409], [410], [411], [412], [413], [414], [415], [455], [456], [457], [458], [461], [462], [471], [472], [473], [474], [481], [489], [490], [491] [2019-09-20 13:30:55,780 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-20 13:30:55,781 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-20 13:30:55,870 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-20 13:30:55,873 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 13:30:55,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:30:55,879 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-20 13:30:55,932 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-09-20 13:30:55,932 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-20 13:30:55,936 INFO L420 sIntCurrentIteration]: We unified 97 AI predicates to 97 [2019-09-20 13:30:55,936 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-20 13:30:55,937 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:30:55,937 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 7 [2019-09-20 13:30:55,937 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:30:55,938 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-20 13:30:55,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-20 13:30:55,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:30:55,939 INFO L87 Difference]: Start difference. First operand 149 states and 167 transitions. Second operand 2 states. [2019-09-20 13:30:55,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:30:55,939 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-09-20 13:30:55,939 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-20 13:30:55,940 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 98 [2019-09-20 13:30:55,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:30:55,940 INFO L225 Difference]: With dead ends: 2 [2019-09-20 13:30:55,940 INFO L226 Difference]: Without dead ends: 0 [2019-09-20 13:30:55,940 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 97 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 13:30:55,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-20 13:30:55,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-20 13:30:55,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-20 13:30:55,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-20 13:30:55,941 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 98 [2019-09-20 13:30:55,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:30:55,942 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-20 13:30:55,942 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-20 13:30:55,942 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-20 13:30:55,942 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-20 13:30:55,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:30:55 BoogieIcfgContainer [2019-09-20 13:30:55,948 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-20 13:30:55,950 INFO L168 Benchmark]: Toolchain (without parser) took 4350.17 ms. Allocated memory was 137.9 MB in the beginning and 270.5 MB in the end (delta: 132.6 MB). Free memory was 83.2 MB in the beginning and 152.0 MB in the end (delta: -68.9 MB). Peak memory consumption was 63.8 MB. Max. memory is 7.1 GB. [2019-09-20 13:30:55,951 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 137.9 MB. Free memory is still 102.2 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 13:30:55,952 INFO L168 Benchmark]: CACSL2BoogieTranslator took 685.00 ms. Allocated memory was 137.9 MB in the beginning and 198.2 MB in the end (delta: 60.3 MB). Free memory was 83.2 MB in the beginning and 164.4 MB in the end (delta: -81.2 MB). Peak memory consumption was 22.1 MB. Max. memory is 7.1 GB. [2019-09-20 13:30:55,953 INFO L168 Benchmark]: Boogie Preprocessor took 83.63 ms. Allocated memory is still 198.2 MB. Free memory was 164.4 MB in the beginning and 160.7 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. [2019-09-20 13:30:55,954 INFO L168 Benchmark]: RCFGBuilder took 1193.55 ms. Allocated memory is still 198.2 MB. Free memory was 159.8 MB in the beginning and 76.2 MB in the end (delta: 83.6 MB). Peak memory consumption was 83.6 MB. Max. memory is 7.1 GB. [2019-09-20 13:30:55,955 INFO L168 Benchmark]: TraceAbstraction took 2383.29 ms. Allocated memory was 198.2 MB in the beginning and 270.5 MB in the end (delta: 72.4 MB). Free memory was 76.2 MB in the beginning and 152.0 MB in the end (delta: -75.8 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 13:30:55,958 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 137.9 MB. Free memory is still 102.2 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 685.00 ms. Allocated memory was 137.9 MB in the beginning and 198.2 MB in the end (delta: 60.3 MB). Free memory was 83.2 MB in the beginning and 164.4 MB in the end (delta: -81.2 MB). Peak memory consumption was 22.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 83.63 ms. Allocated memory is still 198.2 MB. Free memory was 164.4 MB in the beginning and 160.7 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1193.55 ms. Allocated memory is still 198.2 MB. Free memory was 159.8 MB in the beginning and 76.2 MB in the end (delta: 83.6 MB). Peak memory consumption was 83.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2383.29 ms. Allocated memory was 198.2 MB in the beginning and 270.5 MB in the end (delta: 72.4 MB). Free memory was 76.2 MB in the beginning and 152.0 MB in the end (delta: -75.8 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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, 221 locations, 1 error locations. SAFE Result, 2.3s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 0.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 550 SDtfs, 290 SDslu, 833 SDs, 0 SdLazy, 268 SolverSat, 17 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 135 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=213occurred 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, 0.9690721649484536 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, 368 NumberOfCodeBlocks, 368 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 362 ConstructedInterpolants, 0 QuantifiedInterpolants, 46712 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 27/31 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...