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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product41.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-08 06:10:28,566 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-08 06:10:28,568 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-08 06:10:28,581 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-08 06:10:28,581 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-08 06:10:28,582 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-08 06:10:28,584 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-08 06:10:28,586 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-08 06:10:28,587 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-08 06:10:28,588 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-08 06:10:28,589 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-08 06:10:28,591 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-08 06:10:28,591 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-08 06:10:28,592 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-08 06:10:28,593 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-08 06:10:28,594 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-08 06:10:28,595 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-08 06:10:28,596 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-08 06:10:28,598 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-08 06:10:28,600 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-08 06:10:28,602 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-08 06:10:28,603 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-08 06:10:28,604 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-08 06:10:28,605 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-08 06:10:28,607 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-08 06:10:28,608 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-08 06:10:28,608 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-08 06:10:28,609 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-08 06:10:28,609 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-08 06:10:28,610 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-08 06:10:28,611 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-08 06:10:28,611 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-08 06:10:28,612 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-08 06:10:28,613 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-08 06:10:28,614 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-08 06:10:28,614 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-08 06:10:28,615 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-08 06:10:28,615 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-08 06:10:28,616 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-08 06:10:28,617 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-08 06:10:28,617 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-08 06:10:28,618 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-08 06:10:28,633 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-08 06:10:28,633 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-08 06:10:28,634 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-08 06:10:28,635 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-08 06:10:28,635 INFO L138 SettingsManager]: * Use SBE=true [2019-09-08 06:10:28,635 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-08 06:10:28,635 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-08 06:10:28,636 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-08 06:10:28,636 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-08 06:10:28,636 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-08 06:10:28,636 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-08 06:10:28,636 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-08 06:10:28,636 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-08 06:10:28,637 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-08 06:10:28,637 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-08 06:10:28,637 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-08 06:10:28,637 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-08 06:10:28,638 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-08 06:10:28,638 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-08 06:10:28,638 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-08 06:10:28,638 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-08 06:10:28,638 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 06:10:28,638 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-08 06:10:28,639 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-08 06:10:28,639 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-08 06:10:28,639 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-08 06:10:28,639 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-08 06:10:28,639 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-08 06:10:28,640 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-08 06:10:28,670 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-08 06:10:28,683 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-08 06:10:28,686 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-08 06:10:28,688 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-08 06:10:28,688 INFO L275 PluginConnector]: CDTParser initialized [2019-09-08 06:10:28,689 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product41.cil.c [2019-09-08 06:10:28,770 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/378221545/f39006d216754268860bfcd7eee1d50f/FLAG3bd5d8e2f [2019-09-08 06:10:29,383 INFO L306 CDTParser]: Found 1 translation units. [2019-09-08 06:10:29,384 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product41.cil.c [2019-09-08 06:10:29,419 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/378221545/f39006d216754268860bfcd7eee1d50f/FLAG3bd5d8e2f [2019-09-08 06:10:29,592 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/378221545/f39006d216754268860bfcd7eee1d50f [2019-09-08 06:10:29,602 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-08 06:10:29,604 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-08 06:10:29,605 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-08 06:10:29,605 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-08 06:10:29,609 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-08 06:10:29,610 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 06:10:29" (1/1) ... [2019-09-08 06:10:29,613 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76e8182 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:10:29, skipping insertion in model container [2019-09-08 06:10:29,613 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 06:10:29" (1/1) ... [2019-09-08 06:10:29,621 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-08 06:10:29,675 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-08 06:10:30,095 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 06:10:30,115 INFO L188 MainTranslator]: Completed pre-run [2019-09-08 06:10:30,239 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 06:10:30,275 INFO L192 MainTranslator]: Completed translation [2019-09-08 06:10:30,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:10:30 WrapperNode [2019-09-08 06:10:30,275 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-08 06:10:30,276 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-08 06:10:30,276 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-08 06:10:30,277 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-08 06:10:30,291 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:10:30" (1/1) ... [2019-09-08 06:10:30,291 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:10:30" (1/1) ... [2019-09-08 06:10:30,309 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:10:30" (1/1) ... [2019-09-08 06:10:30,310 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:10:30" (1/1) ... [2019-09-08 06:10:30,341 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:10:30" (1/1) ... [2019-09-08 06:10:30,352 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:10:30" (1/1) ... [2019-09-08 06:10:30,358 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:10:30" (1/1) ... [2019-09-08 06:10:30,366 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-08 06:10:30,366 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-08 06:10:30,367 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-08 06:10:30,367 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-08 06:10:30,368 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:10:30" (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 [2019-09-08 06:10:30,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-08 06:10:30,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-08 06:10:30,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-08 06:10:30,433 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-08 06:10:30,433 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-08 06:10:30,433 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-08 06:10:30,433 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-08 06:10:30,434 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-08 06:10:30,434 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-08 06:10:30,434 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-08 06:10:30,434 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-08 06:10:30,434 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-08 06:10:30,435 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-08 06:10:30,435 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-08 06:10:30,435 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-08 06:10:30,435 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-08 06:10:30,435 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-08 06:10:30,436 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-08 06:10:30,436 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-08 06:10:30,436 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-08 06:10:30,436 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-08 06:10:30,436 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-08 06:10:30,436 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-08 06:10:30,437 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-08 06:10:30,437 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-08 06:10:30,437 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-08 06:10:30,437 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2019-09-08 06:10:30,437 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-08 06:10:30,438 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-08 06:10:30,438 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-08 06:10:30,438 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-08 06:10:30,438 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-08 06:10:30,438 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-08 06:10:30,439 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-08 06:10:30,439 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-08 06:10:30,439 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-08 06:10:30,439 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-08 06:10:30,439 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-08 06:10:30,440 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-08 06:10:30,440 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-08 06:10:30,440 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-08 06:10:30,440 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-08 06:10:30,440 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-08 06:10:30,440 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-08 06:10:30,440 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-08 06:10:30,441 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-08 06:10:30,441 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-08 06:10:30,441 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-08 06:10:30,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-08 06:10:30,441 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-08 06:10:30,441 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-08 06:10:30,441 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-08 06:10:30,442 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-08 06:10:30,442 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-08 06:10:30,442 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-08 06:10:30,442 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-08 06:10:30,442 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-08 06:10:30,442 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-08 06:10:30,443 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-08 06:10:30,443 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-08 06:10:30,443 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-08 06:10:30,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-08 06:10:30,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-08 06:10:30,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-08 06:10:30,443 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-08 06:10:30,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-08 06:10:30,444 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-08 06:10:30,444 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-08 06:10:30,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-08 06:10:30,444 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-08 06:10:30,445 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-08 06:10:30,445 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-08 06:10:30,445 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-08 06:10:30,445 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-08 06:10:30,445 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-08 06:10:30,445 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-08 06:10:30,445 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-08 06:10:30,446 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-08 06:10:30,446 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-08 06:10:30,446 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-08 06:10:30,446 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-08 06:10:30,446 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2019-09-08 06:10:30,446 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-08 06:10:30,447 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-08 06:10:30,447 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-08 06:10:30,447 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-08 06:10:30,447 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-08 06:10:30,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-08 06:10:30,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-08 06:10:30,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-08 06:10:31,563 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-08 06:10:31,563 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-08 06:10:31,565 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 06:10:31 BoogieIcfgContainer [2019-09-08 06:10:31,566 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-08 06:10:31,567 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-08 06:10:31,567 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-08 06:10:31,570 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-08 06:10:31,571 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 06:10:29" (1/3) ... [2019-09-08 06:10:31,572 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@393aac0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 06:10:31, skipping insertion in model container [2019-09-08 06:10:31,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:10:30" (2/3) ... [2019-09-08 06:10:31,572 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@393aac0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 06:10:31, skipping insertion in model container [2019-09-08 06:10:31,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 06:10:31" (3/3) ... [2019-09-08 06:10:31,574 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product41.cil.c [2019-09-08 06:10:31,601 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-08 06:10:31,610 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-08 06:10:31,626 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-08 06:10:31,666 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-08 06:10:31,667 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-08 06:10:31,667 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-08 06:10:31,668 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-08 06:10:31,668 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-08 06:10:31,668 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-08 06:10:31,668 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-08 06:10:31,668 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-08 06:10:31,668 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-08 06:10:31,698 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states. [2019-09-08 06:10:31,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-09-08 06:10:31,712 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:10:31,713 INFO L399 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] [2019-09-08 06:10:31,717 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:10:31,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:10:31,722 INFO L82 PathProgramCache]: Analyzing trace with hash -219528545, now seen corresponding path program 1 times [2019-09-08 06:10:31,724 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:10:31,724 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:10:31,773 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:10:31,774 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:10:31,774 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:10:31,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:10:32,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:10:32,054 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:10:32,054 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-08 06:10:32,058 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-08 06:10:32,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-08 06:10:32,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-08 06:10:32,076 INFO L87 Difference]: Start difference. First operand 163 states. Second operand 2 states. [2019-09-08 06:10:32,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:10:32,147 INFO L93 Difference]: Finished difference Result 240 states and 295 transitions. [2019-09-08 06:10:32,147 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-08 06:10:32,149 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-09-08 06:10:32,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:10:32,161 INFO L225 Difference]: With dead ends: 240 [2019-09-08 06:10:32,161 INFO L226 Difference]: Without dead ends: 120 [2019-09-08 06:10:32,166 INFO L628 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 [2019-09-08 06:10:32,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2019-09-08 06:10:32,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2019-09-08 06:10:32,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2019-09-08 06:10:32,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 139 transitions. [2019-09-08 06:10:32,218 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 139 transitions. Word has length 46 [2019-09-08 06:10:32,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:10:32,219 INFO L475 AbstractCegarLoop]: Abstraction has 120 states and 139 transitions. [2019-09-08 06:10:32,219 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-08 06:10:32,219 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 139 transitions. [2019-09-08 06:10:32,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-09-08 06:10:32,222 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:10:32,222 INFO L399 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] [2019-09-08 06:10:32,223 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:10:32,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:10:32,223 INFO L82 PathProgramCache]: Analyzing trace with hash 207659306, now seen corresponding path program 1 times [2019-09-08 06:10:32,223 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:10:32,224 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:10:32,225 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:10:32,225 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:10:32,225 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:10:32,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:10:32,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:10:32,388 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:10:32,388 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 06:10:32,390 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 06:10:32,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 06:10:32,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 06:10:32,391 INFO L87 Difference]: Start difference. First operand 120 states and 139 transitions. Second operand 3 states. [2019-09-08 06:10:32,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:10:32,410 INFO L93 Difference]: Finished difference Result 189 states and 217 transitions. [2019-09-08 06:10:32,411 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 06:10:32,411 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-09-08 06:10:32,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:10:32,413 INFO L225 Difference]: With dead ends: 189 [2019-09-08 06:10:32,414 INFO L226 Difference]: Without dead ends: 111 [2019-09-08 06:10:32,415 INFO L628 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 [2019-09-08 06:10:32,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2019-09-08 06:10:32,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2019-09-08 06:10:32,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2019-09-08 06:10:32,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 127 transitions. [2019-09-08 06:10:32,433 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 127 transitions. Word has length 47 [2019-09-08 06:10:32,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:10:32,433 INFO L475 AbstractCegarLoop]: Abstraction has 111 states and 127 transitions. [2019-09-08 06:10:32,433 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 06:10:32,433 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 127 transitions. [2019-09-08 06:10:32,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-09-08 06:10:32,435 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:10:32,435 INFO L399 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] [2019-09-08 06:10:32,436 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:10:32,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:10:32,438 INFO L82 PathProgramCache]: Analyzing trace with hash 1269439858, now seen corresponding path program 1 times [2019-09-08 06:10:32,438 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:10:32,438 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:10:32,439 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:10:32,439 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:10:32,440 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:10:32,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:10:32,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:10:32,632 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:10:32,632 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-08 06:10:32,632 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-08 06:10:32,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-08 06:10:32,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-08 06:10:32,633 INFO L87 Difference]: Start difference. First operand 111 states and 127 transitions. Second operand 7 states. [2019-09-08 06:10:32,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:10:32,998 INFO L93 Difference]: Finished difference Result 198 states and 231 transitions. [2019-09-08 06:10:33,000 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 06:10:33,000 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2019-09-08 06:10:33,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:10:33,004 INFO L225 Difference]: With dead ends: 198 [2019-09-08 06:10:33,005 INFO L226 Difference]: Without dead ends: 111 [2019-09-08 06:10:33,009 INFO L628 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 [2019-09-08 06:10:33,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2019-09-08 06:10:33,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2019-09-08 06:10:33,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2019-09-08 06:10:33,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 126 transitions. [2019-09-08 06:10:33,031 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 126 transitions. Word has length 51 [2019-09-08 06:10:33,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:10:33,031 INFO L475 AbstractCegarLoop]: Abstraction has 111 states and 126 transitions. [2019-09-08 06:10:33,032 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-08 06:10:33,032 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 126 transitions. [2019-09-08 06:10:33,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-09-08 06:10:33,035 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:10:33,035 INFO L399 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] [2019-09-08 06:10:33,036 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:10:33,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:10:33,036 INFO L82 PathProgramCache]: Analyzing trace with hash 6417079, now seen corresponding path program 1 times [2019-09-08 06:10:33,039 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:10:33,039 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:10:33,040 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:10:33,040 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:10:33,040 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:10:33,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:10:33,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:10:33,181 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:10:33,181 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 06:10:33,181 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 06:10:33,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 06:10:33,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 06:10:33,182 INFO L87 Difference]: Start difference. First operand 111 states and 126 transitions. Second operand 5 states. [2019-09-08 06:10:33,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:10:33,654 INFO L93 Difference]: Finished difference Result 283 states and 337 transitions. [2019-09-08 06:10:33,655 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 06:10:33,655 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 59 [2019-09-08 06:10:33,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:10:33,658 INFO L225 Difference]: With dead ends: 283 [2019-09-08 06:10:33,658 INFO L226 Difference]: Without dead ends: 196 [2019-09-08 06:10:33,659 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-09-08 06:10:33,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2019-09-08 06:10:33,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 178. [2019-09-08 06:10:33,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states. [2019-09-08 06:10:33,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 203 transitions. [2019-09-08 06:10:33,699 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 203 transitions. Word has length 59 [2019-09-08 06:10:33,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:10:33,699 INFO L475 AbstractCegarLoop]: Abstraction has 178 states and 203 transitions. [2019-09-08 06:10:33,700 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 06:10:33,700 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 203 transitions. [2019-09-08 06:10:33,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-09-08 06:10:33,701 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:10:33,701 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:10:33,702 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:10:33,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:10:33,702 INFO L82 PathProgramCache]: Analyzing trace with hash 1711068188, now seen corresponding path program 1 times [2019-09-08 06:10:33,702 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:10:33,702 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:10:33,703 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:10:33,704 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:10:33,704 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:10:33,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:10:33,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:10:33,796 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:10:33,796 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-09-08 06:10:33,797 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-08 06:10:33,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-08 06:10:33,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-08 06:10:33,798 INFO L87 Difference]: Start difference. First operand 178 states and 203 transitions. Second operand 8 states. [2019-09-08 06:10:33,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:10:33,844 INFO L93 Difference]: Finished difference Result 339 states and 397 transitions. [2019-09-08 06:10:33,844 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-08 06:10:33,845 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 73 [2019-09-08 06:10:33,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:10:33,848 INFO L225 Difference]: With dead ends: 339 [2019-09-08 06:10:33,848 INFO L226 Difference]: Without dead ends: 185 [2019-09-08 06:10:33,849 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-08 06:10:33,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2019-09-08 06:10:33,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 182. [2019-09-08 06:10:33,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2019-09-08 06:10:33,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 207 transitions. [2019-09-08 06:10:33,883 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 207 transitions. Word has length 73 [2019-09-08 06:10:33,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:10:33,884 INFO L475 AbstractCegarLoop]: Abstraction has 182 states and 207 transitions. [2019-09-08 06:10:33,884 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-08 06:10:33,884 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 207 transitions. [2019-09-08 06:10:33,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-09-08 06:10:33,889 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:10:33,889 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:10:33,889 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:10:33,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:10:33,890 INFO L82 PathProgramCache]: Analyzing trace with hash -212159846, now seen corresponding path program 1 times [2019-09-08 06:10:33,890 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:10:33,890 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:10:33,894 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:10:33,894 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:10:33,894 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:10:33,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:10:34,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:10:34,036 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:10:34,036 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-09-08 06:10:34,037 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-09-08 06:10:34,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-09-08 06:10:34,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-09-08 06:10:34,037 INFO L87 Difference]: Start difference. First operand 182 states and 207 transitions. Second operand 10 states. [2019-09-08 06:10:34,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:10:34,796 INFO L93 Difference]: Finished difference Result 585 states and 722 transitions. [2019-09-08 06:10:34,797 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-09-08 06:10:34,797 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 73 [2019-09-08 06:10:34,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:10:34,804 INFO L225 Difference]: With dead ends: 585 [2019-09-08 06:10:34,805 INFO L226 Difference]: Without dead ends: 427 [2019-09-08 06:10:34,806 INFO L628 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 [2019-09-08 06:10:34,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2019-09-08 06:10:34,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 417. [2019-09-08 06:10:34,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 417 states. [2019-09-08 06:10:34,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 488 transitions. [2019-09-08 06:10:34,867 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 488 transitions. Word has length 73 [2019-09-08 06:10:34,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:10:34,869 INFO L475 AbstractCegarLoop]: Abstraction has 417 states and 488 transitions. [2019-09-08 06:10:34,870 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-09-08 06:10:34,870 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 488 transitions. [2019-09-08 06:10:34,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2019-09-08 06:10:34,875 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:10:34,876 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:10:34,876 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:10:34,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:10:34,877 INFO L82 PathProgramCache]: Analyzing trace with hash 358112477, now seen corresponding path program 1 times [2019-09-08 06:10:34,877 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:10:34,877 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:10:34,880 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:10:34,880 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:10:34,880 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:10:34,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:10:35,012 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-09-08 06:10:35,013 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 06:10:35,013 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) [2019-09-08 06:10:35,039 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 06:10:35,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:10:35,177 INFO L256 TraceCheckSpWp]: Trace formula consists of 820 conjuncts, 13 conjunts are in the unsatisfiable core [2019-09-08 06:10:35,198 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 06:10:35,366 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:10:35,372 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-08 06:10:35,372 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [6] total 12 [2019-09-08 06:10:35,373 INFO L454 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-09-08 06:10:35,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-09-08 06:10:35,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2019-09-08 06:10:35,374 INFO L87 Difference]: Start difference. First operand 417 states and 488 transitions. Second operand 12 states. [2019-09-08 06:10:36,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:10:36,976 INFO L93 Difference]: Finished difference Result 961 states and 1276 transitions. [2019-09-08 06:10:36,976 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2019-09-08 06:10:36,977 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 128 [2019-09-08 06:10:36,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:10:36,982 INFO L225 Difference]: With dead ends: 961 [2019-09-08 06:10:36,983 INFO L226 Difference]: Without dead ends: 568 [2019-09-08 06:10:36,985 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=162, Invalid=650, Unknown=0, NotChecked=0, Total=812 [2019-09-08 06:10:36,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 568 states. [2019-09-08 06:10:37,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 568 to 496. [2019-09-08 06:10:37,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 496 states. [2019-09-08 06:10:37,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 496 states and 599 transitions. [2019-09-08 06:10:37,031 INFO L78 Accepts]: Start accepts. Automaton has 496 states and 599 transitions. Word has length 128 [2019-09-08 06:10:37,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:10:37,031 INFO L475 AbstractCegarLoop]: Abstraction has 496 states and 599 transitions. [2019-09-08 06:10:37,032 INFO L476 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-09-08 06:10:37,032 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 599 transitions. [2019-09-08 06:10:37,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2019-09-08 06:10:37,034 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:10:37,034 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:10:37,034 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:10:37,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:10:37,035 INFO L82 PathProgramCache]: Analyzing trace with hash 1980525114, now seen corresponding path program 1 times [2019-09-08 06:10:37,035 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:10:37,035 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:10:37,036 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:10:37,036 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:10:37,037 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:10:37,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:10:37,262 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-08 06:10:37,262 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 06:10:37,262 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) [2019-09-08 06:10:37,277 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 06:10:37,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:10:37,418 INFO L256 TraceCheckSpWp]: Trace formula consists of 821 conjuncts, 11 conjunts are in the unsatisfiable core [2019-09-08 06:10:37,425 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 06:10:37,518 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:10:37,523 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 06:10:37,523 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2019-09-08 06:10:37,524 INFO L454 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-09-08 06:10:37,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-09-08 06:10:37,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2019-09-08 06:10:37,525 INFO L87 Difference]: Start difference. First operand 496 states and 599 transitions. Second operand 15 states. [2019-09-08 06:10:38,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:10:38,902 INFO L93 Difference]: Finished difference Result 985 states and 1247 transitions. [2019-09-08 06:10:38,902 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-09-08 06:10:38,903 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 128 [2019-09-08 06:10:38,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:10:38,912 INFO L225 Difference]: With dead ends: 985 [2019-09-08 06:10:38,912 INFO L226 Difference]: Without dead ends: 563 [2019-09-08 06:10:38,915 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=195, Invalid=561, Unknown=0, NotChecked=0, Total=756 [2019-09-08 06:10:38,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 563 states. [2019-09-08 06:10:38,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 563 to 484. [2019-09-08 06:10:38,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 484 states. [2019-09-08 06:10:38,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 583 transitions. [2019-09-08 06:10:38,973 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 583 transitions. Word has length 128 [2019-09-08 06:10:38,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:10:38,974 INFO L475 AbstractCegarLoop]: Abstraction has 484 states and 583 transitions. [2019-09-08 06:10:38,974 INFO L476 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-09-08 06:10:38,974 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 583 transitions. [2019-09-08 06:10:38,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2019-09-08 06:10:38,977 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:10:38,977 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:10:38,977 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:10:38,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:10:38,978 INFO L82 PathProgramCache]: Analyzing trace with hash 2141115904, now seen corresponding path program 2 times [2019-09-08 06:10:38,978 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:10:38,978 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:10:38,979 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:10:38,979 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:10:38,979 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:10:39,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-08 06:10:39,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-08 06:10:39,689 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-09-08 06:10:39,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.09 06:10:39 BoogieIcfgContainer [2019-09-08 06:10:39,902 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-08 06:10:39,906 INFO L168 Benchmark]: Toolchain (without parser) took 10300.46 ms. Allocated memory was 132.1 MB in the beginning and 375.4 MB in the end (delta: 243.3 MB). Free memory was 87.1 MB in the beginning and 130.8 MB in the end (delta: -43.6 MB). Peak memory consumption was 199.6 MB. Max. memory is 7.1 GB. [2019-09-08 06:10:39,907 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 132.1 MB. Free memory was 106.5 MB in the beginning and 106.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-08 06:10:39,910 INFO L168 Benchmark]: CACSL2BoogieTranslator took 671.06 ms. Allocated memory was 132.1 MB in the beginning and 199.8 MB in the end (delta: 67.6 MB). Free memory was 86.9 MB in the beginning and 165.6 MB in the end (delta: -78.7 MB). Peak memory consumption was 28.2 MB. Max. memory is 7.1 GB. [2019-09-08 06:10:39,911 INFO L168 Benchmark]: Boogie Preprocessor took 89.91 ms. Allocated memory is still 199.8 MB. Free memory was 165.6 MB in the beginning and 161.1 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2019-09-08 06:10:39,911 INFO L168 Benchmark]: RCFGBuilder took 1199.40 ms. Allocated memory is still 199.8 MB. Free memory was 161.1 MB in the beginning and 78.2 MB in the end (delta: 82.9 MB). Peak memory consumption was 82.9 MB. Max. memory is 7.1 GB. [2019-09-08 06:10:39,917 INFO L168 Benchmark]: TraceAbstraction took 8335.64 ms. Allocated memory was 199.8 MB in the beginning and 375.4 MB in the end (delta: 175.6 MB). Free memory was 77.6 MB in the beginning and 130.8 MB in the end (delta: -53.2 MB). Peak memory consumption was 122.5 MB. Max. memory is 7.1 GB. [2019-09-08 06:10:39,924 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 132.1 MB. Free memory was 106.5 MB in the beginning and 106.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 671.06 ms. Allocated memory was 132.1 MB in the beginning and 199.8 MB in the end (delta: 67.6 MB). Free memory was 86.9 MB in the beginning and 165.6 MB in the end (delta: -78.7 MB). Peak memory consumption was 28.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 89.91 ms. Allocated memory is still 199.8 MB. Free memory was 165.6 MB in the beginning and 161.1 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1199.40 ms. Allocated memory is still 199.8 MB. Free memory was 161.1 MB in the beginning and 78.2 MB in the end (delta: 82.9 MB). Peak memory consumption was 82.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 8335.64 ms. Allocated memory was 199.8 MB in the beginning and 375.4 MB in the end (delta: 175.6 MB). Free memory was 77.6 MB in the beginning and 130.8 MB in the end (delta: -53.2 MB). Peak memory consumption was 122.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 211]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L47] int waterLevel = 1; [L48] int methaneLevelCritical = 0; [L385] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L652] int pumpRunning = 0; [L653] int systemActive = 1; [L822] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=175, \old(head)=167, \old(head)=176, \old(methaneLevelCritical)=141, \old(pumpRunning)=131, \old(systemActive)=130, \old(waterLevel)=138, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L895] int retValue_acc ; [L896] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L900] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L901] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L902] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L198] int retValue_acc ; [L201] retValue_acc = 1 [L202] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L902] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L902] tmp = valid_product() [L904] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L906] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L907] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L889] CALL test() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L585] int splverifierCounter ; [L586] int tmp ; [L587] int tmp___0 ; [L588] int tmp___1 ; [L589] int tmp___2 ; [L592] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L594] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L596] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L602] tmp = __VERIFIER_nondet_int() [L604] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=11, waterLevel=1] [L606] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L65] COND TRUE waterLevel < 2 [L66] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L606] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=11, waterLevel=2] [L612] tmp___0 = __VERIFIER_nondet_int() [L614] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=11, tmp___0=0, waterLevel=2] [L622] tmp___2 = __VERIFIER_nondet_int() [L624] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=11, tmp___0=0, tmp___2=1, waterLevel=2] [L637] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L659] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L666] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L668] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L688] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L691] COND TRUE ! pumpRunning VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L693] CALL, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L803] int retValue_acc ; [L804] int tmp ; [L805] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L809] CALL, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L127] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L130] COND FALSE !(waterLevel < 2) [L134] retValue_acc = 0 [L135] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L809] RET, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L809] tmp = isHighWaterSensorDry() [L811] COND FALSE !(\read(tmp)) [L814] tmp___0 = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L816] retValue_acc = tmp___0 [L817] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L693] RET, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L693] tmp = isHighWaterLevel() [L695] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L697] CALL activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L722] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L726] CALL, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L747] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L751] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L86] int retValue_acc ; [L89] retValue_acc = methaneLevelCritical [L90] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L751] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L751] retValue_acc = isMethaneLevelCritical() [L753] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L726] RET, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L726] tmp = isMethaneAlarm() [L728] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L732] CALL activatePump__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L716] pumpRunning = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L732] RET activatePump__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=2] [L697] RET activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L668] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L674] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L144] int tmp ; [L145] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L149] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L118] int retValue_acc ; [L121] retValue_acc = waterLevel [L122] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=2, systemActive=1, waterLevel=2] [L149] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L149] tmp = getWaterLevel() [L151] COND FALSE !(tmp == 0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=2, waterLevel=2] [L674] RET __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L637] RET timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=11, tmp___0=0, tmp___2=1, waterLevel=2] [L594] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=11, tmp___0=0, tmp___2=1, waterLevel=2] [L596] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=11, tmp___0=0, tmp___2=1, waterLevel=2] [L602] tmp = __VERIFIER_nondet_int() [L604] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L612] tmp___0 = __VERIFIER_nondet_int() [L614] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L622] tmp___2 = __VERIFIER_nondet_int() [L624] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L637] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L659] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L661] CALL lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L53] COND TRUE waterLevel > 0 [L54] waterLevel = waterLevel - 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L661] RET lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L666] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L668] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L688] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L691] COND FALSE !(! pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L706] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L668] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L674] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L144] int tmp ; [L145] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L149] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L118] int retValue_acc ; [L121] retValue_acc = waterLevel [L122] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L149] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=1, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L149] tmp = getWaterLevel() [L151] COND FALSE !(tmp == 0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L674] RET __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L637] RET timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L594] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L596] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L602] tmp = __VERIFIER_nondet_int() [L604] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L612] tmp___0 = __VERIFIER_nondet_int() [L614] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L622] tmp___2 = __VERIFIER_nondet_int() [L624] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L637] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L659] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L661] CALL lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L53] COND TRUE waterLevel > 0 [L54] waterLevel = waterLevel - 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L661] RET lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L666] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L668] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L688] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L691] COND FALSE !(! pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L706] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L668] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L674] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L144] int tmp ; [L145] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L149] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L118] int retValue_acc ; [L121] retValue_acc = waterLevel [L122] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L149] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, getWaterLevel()=0, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L149] tmp = getWaterLevel() [L151] COND TRUE tmp == 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L153] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L758] int retValue_acc ; [L761] retValue_acc = pumpRunning [L762] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=0] [L153] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L153] tmp___0 = isPumpRunning() [L155] COND TRUE \read(tmp___0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=0] [L157] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L211] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 222 locations, 1 error locations. UNSAFE Result, 8.2s OverallTime, 9 OverallIterations, 3 TraceHistogramMax, 4.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1118 SDtfs, 1436 SDslu, 3057 SDs, 0 SdLazy, 2907 SolverSat, 728 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 374 GetRequests, 284 SyntacticMatches, 0 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 330 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=496occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 8 MinimizatonAttempts, 182 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 1024 NumberOfCodeBlocks, 1024 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 851 ConstructedInterpolants, 0 QuantifiedInterpolants, 156660 SizeOfPredicates, 8 NumberOfNonLiveVariables, 1641 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 10 InterpolantComputations, 7 PerfectInterpolantSequences, 81/96 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...