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 --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product44.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 01:21:43,395 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 01:21:43,398 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 01:21:43,411 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 01:21:43,411 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 01:21:43,414 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 01:21:43,416 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 01:21:43,418 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 01:21:43,429 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 01:21:43,430 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 01:21:43,433 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 01:21:43,434 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 01:21:43,435 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 01:21:43,436 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 01:21:43,439 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 01:21:43,441 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 01:21:43,442 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 01:21:43,443 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 01:21:43,448 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 01:21:43,452 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 01:21:43,454 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 01:21:43,455 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 01:21:43,460 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 01:21:43,461 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 01:21:43,465 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 01:21:43,466 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 01:21:43,466 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 01:21:43,468 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 01:21:43,470 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 01:21:43,472 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 01:21:43,472 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 01:21:43,474 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 01:21:43,475 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 01:21:43,476 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 01:21:43,480 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 01:21:43,481 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 01:21:43,481 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 01:21:43,482 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 01:21:43,482 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 01:21:43,484 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 01:21:43,486 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 01:21:43,487 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 [2019-10-15 01:21:43,509 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 01:21:43,509 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 01:21:43,512 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 01:21:43,512 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 01:21:43,512 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 01:21:43,512 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 01:21:43,513 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 01:21:43,513 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 01:21:43,513 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 01:21:43,513 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 01:21:43,515 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 01:21:43,515 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 01:21:43,515 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 01:21:43,516 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 01:21:43,516 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 01:21:43,516 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 01:21:43,516 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 01:21:43,517 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 01:21:43,517 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 01:21:43,517 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 01:21:43,517 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 01:21:43,517 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:21:43,518 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 01:21:43,518 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 01:21:43,518 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 01:21:43,518 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 01:21:43,519 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 01:21:43,519 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 01:21:43,519 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-15 01:21:43,820 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 01:21:43,843 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 01:21:43,847 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 01:21:43,848 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 01:21:43,849 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 01:21:43,850 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product44.cil.c [2019-10-15 01:21:43,922 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c809291f/bba0e3aa134c4165a32927aece54ab09/FLAG02dfb41ad [2019-10-15 01:21:44,506 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 01:21:44,506 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product44.cil.c [2019-10-15 01:21:44,522 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c809291f/bba0e3aa134c4165a32927aece54ab09/FLAG02dfb41ad [2019-10-15 01:21:44,783 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c809291f/bba0e3aa134c4165a32927aece54ab09 [2019-10-15 01:21:44,795 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 01:21:44,796 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 01:21:44,797 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 01:21:44,798 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 01:21:44,800 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 01:21:44,801 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:21:44" (1/1) ... [2019-10-15 01:21:44,803 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a1e4fa9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:44, skipping insertion in model container [2019-10-15 01:21:44,804 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:21:44" (1/1) ... [2019-10-15 01:21:44,810 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 01:21:44,853 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 01:21:45,239 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:21:45,255 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 01:21:45,347 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:21:45,397 INFO L192 MainTranslator]: Completed translation [2019-10-15 01:21:45,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:45 WrapperNode [2019-10-15 01:21:45,398 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 01:21:45,399 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 01:21:45,400 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 01:21:45,400 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 01:21:45,417 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:45" (1/1) ... [2019-10-15 01:21:45,418 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:45" (1/1) ... [2019-10-15 01:21:45,457 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:45" (1/1) ... [2019-10-15 01:21:45,461 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:45" (1/1) ... [2019-10-15 01:21:45,509 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:45" (1/1) ... [2019-10-15 01:21:45,520 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:45" (1/1) ... [2019-10-15 01:21:45,525 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:45" (1/1) ... [2019-10-15 01:21:45,542 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 01:21:45,543 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 01:21:45,543 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 01:21:45,543 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 01:21:45,544 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:45" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:21:45,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 01:21:45,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 01:21:45,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 01:21:45,598 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-15 01:21:45,599 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-15 01:21:45,599 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-15 01:21:45,599 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-15 01:21:45,599 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-15 01:21:45,599 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-15 01:21:45,599 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-15 01:21:45,600 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 01:21:45,600 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 01:21:45,600 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 01:21:45,600 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 01:21:45,600 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 01:21:45,601 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 01:21:45,601 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-15 01:21:45,601 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-15 01:21:45,601 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-15 01:21:45,601 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2019-10-15 01:21:45,601 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-15 01:21:45,602 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-15 01:21:45,602 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-15 01:21:45,602 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-15 01:21:45,602 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-15 01:21:45,602 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-15 01:21:45,602 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-15 01:21:45,603 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-15 01:21:45,603 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 01:21:45,603 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 01:21:45,603 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 01:21:45,603 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 01:21:45,604 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 01:21:45,604 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-15 01:21:45,604 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-15 01:21:45,604 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 01:21:45,604 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-15 01:21:45,604 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 01:21:45,605 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 01:21:45,605 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-10-15 01:21:45,605 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-10-15 01:21:45,605 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-10-15 01:21:45,605 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 01:21:45,605 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 01:21:45,606 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 01:21:45,606 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-15 01:21:45,606 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-15 01:21:45,606 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-15 01:21:45,606 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-15 01:21:45,607 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-15 01:21:45,607 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-15 01:21:45,607 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-15 01:21:45,607 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 01:21:45,607 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 01:21:45,607 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 01:21:45,608 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 01:21:45,608 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 01:21:45,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 01:21:45,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 01:21:45,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 01:21:45,608 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 01:21:45,609 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 01:21:45,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 01:21:45,609 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 01:21:45,609 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 01:21:45,609 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 01:21:45,609 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 01:21:45,610 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 01:21:45,610 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 01:21:45,610 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-15 01:21:45,610 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-15 01:21:45,610 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-15 01:21:45,611 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-15 01:21:45,611 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-15 01:21:45,611 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-15 01:21:45,611 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-15 01:21:45,611 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-10-15 01:21:45,611 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-10-15 01:21:45,611 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-15 01:21:45,612 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-15 01:21:45,612 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-15 01:21:45,612 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2019-10-15 01:21:45,612 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-15 01:21:45,612 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-15 01:21:45,612 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 01:21:45,613 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 01:21:45,613 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 01:21:45,613 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 01:21:45,613 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 01:21:45,613 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-15 01:21:45,613 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 01:21:45,614 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-10-15 01:21:45,614 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-15 01:21:45,614 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 01:21:45,614 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 01:21:45,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 01:21:45,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 01:21:45,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 01:21:46,800 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 01:21:46,800 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-15 01:21:46,803 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:21:46 BoogieIcfgContainer [2019-10-15 01:21:46,804 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 01:21:46,805 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 01:21:46,805 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 01:21:46,808 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 01:21:46,809 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 01:21:44" (1/3) ... [2019-10-15 01:21:46,810 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@730495f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:21:46, skipping insertion in model container [2019-10-15 01:21:46,810 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:45" (2/3) ... [2019-10-15 01:21:46,811 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@730495f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:21:46, skipping insertion in model container [2019-10-15 01:21:46,811 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:21:46" (3/3) ... [2019-10-15 01:21:46,815 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product44.cil.c [2019-10-15 01:21:46,826 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 01:21:46,835 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 01:21:46,847 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 01:21:46,876 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 01:21:46,877 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 01:21:46,877 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 01:21:46,877 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 01:21:46,877 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 01:21:46,878 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 01:21:46,878 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 01:21:46,878 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 01:21:46,909 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states. [2019-10-15 01:21:46,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-10-15 01:21:46,928 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:21:46,930 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:21:46,933 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:21:46,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:46,940 INFO L82 PathProgramCache]: Analyzing trace with hash 1834170296, now seen corresponding path program 1 times [2019-10-15 01:21:46,951 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:21:46,951 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421549583] [2019-10-15 01:21:46,952 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:46,952 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:46,952 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:21:47,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:47,394 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:21:47,395 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421549583] [2019-10-15 01:21:47,400 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:21:47,401 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 01:21:47,401 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105264031] [2019-10-15 01:21:47,409 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 01:21:47,411 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:21:47,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 01:21:47,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:21:47,438 INFO L87 Difference]: Start difference. First operand 186 states. Second operand 2 states. [2019-10-15 01:21:47,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:21:47,481 INFO L93 Difference]: Finished difference Result 282 states and 343 transitions. [2019-10-15 01:21:47,481 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 01:21:47,482 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2019-10-15 01:21:47,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:21:47,494 INFO L225 Difference]: With dead ends: 282 [2019-10-15 01:21:47,494 INFO L226 Difference]: Without dead ends: 143 [2019-10-15 01:21:47,499 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:21:47,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2019-10-15 01:21:47,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2019-10-15 01:21:47,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2019-10-15 01:21:47,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 165 transitions. [2019-10-15 01:21:47,557 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 165 transitions. Word has length 59 [2019-10-15 01:21:47,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:21:47,558 INFO L462 AbstractCegarLoop]: Abstraction has 143 states and 165 transitions. [2019-10-15 01:21:47,558 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 01:21:47,558 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 165 transitions. [2019-10-15 01:21:47,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-10-15 01:21:47,562 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:21:47,562 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:21:47,562 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:21:47,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:47,563 INFO L82 PathProgramCache]: Analyzing trace with hash -1514103119, now seen corresponding path program 1 times [2019-10-15 01:21:47,563 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:21:47,563 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529073410] [2019-10-15 01:21:47,564 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:47,564 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:47,564 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:21:47,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:47,696 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:21:47,697 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529073410] [2019-10-15 01:21:47,697 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:21:47,698 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:21:47,698 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858548476] [2019-10-15 01:21:47,701 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:21:47,701 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:21:47,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:21:47,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:21:47,702 INFO L87 Difference]: Start difference. First operand 143 states and 165 transitions. Second operand 3 states. [2019-10-15 01:21:47,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:21:47,751 INFO L93 Difference]: Finished difference Result 218 states and 251 transitions. [2019-10-15 01:21:47,752 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:21:47,752 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2019-10-15 01:21:47,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:21:47,755 INFO L225 Difference]: With dead ends: 218 [2019-10-15 01:21:47,755 INFO L226 Difference]: Without dead ends: 134 [2019-10-15 01:21:47,757 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:21:47,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2019-10-15 01:21:47,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2019-10-15 01:21:47,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2019-10-15 01:21:47,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 153 transitions. [2019-10-15 01:21:47,774 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 153 transitions. Word has length 60 [2019-10-15 01:21:47,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:21:47,775 INFO L462 AbstractCegarLoop]: Abstraction has 134 states and 153 transitions. [2019-10-15 01:21:47,775 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:21:47,775 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 153 transitions. [2019-10-15 01:21:47,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-10-15 01:21:47,777 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:21:47,778 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:21:47,778 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:21:47,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:47,778 INFO L82 PathProgramCache]: Analyzing trace with hash 1793464780, now seen corresponding path program 1 times [2019-10-15 01:21:47,779 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:21:47,779 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315224608] [2019-10-15 01:21:47,779 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:47,779 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:47,780 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:21:47,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:47,932 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:21:47,933 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315224608] [2019-10-15 01:21:47,933 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:21:47,933 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 01:21:47,933 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517758471] [2019-10-15 01:21:47,934 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 01:21:47,934 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:21:47,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 01:21:47,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:21:47,935 INFO L87 Difference]: Start difference. First operand 134 states and 153 transitions. Second operand 7 states. [2019-10-15 01:21:48,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:21:48,488 INFO L93 Difference]: Finished difference Result 402 states and 479 transitions. [2019-10-15 01:21:48,488 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 01:21:48,488 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65 [2019-10-15 01:21:48,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:21:48,492 INFO L225 Difference]: With dead ends: 402 [2019-10-15 01:21:48,493 INFO L226 Difference]: Without dead ends: 296 [2019-10-15 01:21:48,494 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-15 01:21:48,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2019-10-15 01:21:48,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 272. [2019-10-15 01:21:48,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 272 states. [2019-10-15 01:21:48,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 322 transitions. [2019-10-15 01:21:48,533 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 322 transitions. Word has length 65 [2019-10-15 01:21:48,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:21:48,533 INFO L462 AbstractCegarLoop]: Abstraction has 272 states and 322 transitions. [2019-10-15 01:21:48,533 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 01:21:48,533 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 322 transitions. [2019-10-15 01:21:48,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-10-15 01:21:48,537 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:21:48,537 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:21:48,537 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:21:48,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:48,538 INFO L82 PathProgramCache]: Analyzing trace with hash -10520395, now seen corresponding path program 1 times [2019-10-15 01:21:48,538 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:21:48,538 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682486450] [2019-10-15 01:21:48,538 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:48,539 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:48,539 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:21:48,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:48,717 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-15 01:21:48,717 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682486450] [2019-10-15 01:21:48,717 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:21:48,718 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 01:21:48,718 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069838834] [2019-10-15 01:21:48,718 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 01:21:48,719 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:21:48,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 01:21:48,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:21:48,720 INFO L87 Difference]: Start difference. First operand 272 states and 322 transitions. Second operand 7 states. [2019-10-15 01:21:49,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:21:49,507 INFO L93 Difference]: Finished difference Result 682 states and 859 transitions. [2019-10-15 01:21:49,511 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-15 01:21:49,512 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 70 [2019-10-15 01:21:49,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:21:49,516 INFO L225 Difference]: With dead ends: 682 [2019-10-15 01:21:49,516 INFO L226 Difference]: Without dead ends: 438 [2019-10-15 01:21:49,519 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-15 01:21:49,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2019-10-15 01:21:49,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 390. [2019-10-15 01:21:49,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 390 states. [2019-10-15 01:21:49,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 462 transitions. [2019-10-15 01:21:49,610 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 462 transitions. Word has length 70 [2019-10-15 01:21:49,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:21:49,612 INFO L462 AbstractCegarLoop]: Abstraction has 390 states and 462 transitions. [2019-10-15 01:21:49,612 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 01:21:49,612 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 462 transitions. [2019-10-15 01:21:49,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-10-15 01:21:49,620 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:21:49,621 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:21:49,621 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:21:49,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:49,622 INFO L82 PathProgramCache]: Analyzing trace with hash -762155168, now seen corresponding path program 1 times [2019-10-15 01:21:49,622 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:21:49,623 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418816149] [2019-10-15 01:21:49,623 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:49,623 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:49,623 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:21:49,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:49,796 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:21:49,797 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418816149] [2019-10-15 01:21:49,797 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:21:49,797 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-15 01:21:49,797 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099986308] [2019-10-15 01:21:49,799 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-15 01:21:49,799 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:21:49,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-15 01:21:49,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 01:21:49,800 INFO L87 Difference]: Start difference. First operand 390 states and 462 transitions. Second operand 4 states. [2019-10-15 01:21:50,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:21:50,136 INFO L93 Difference]: Finished difference Result 1438 states and 1802 transitions. [2019-10-15 01:21:50,137 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-15 01:21:50,137 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 103 [2019-10-15 01:21:50,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:21:50,148 INFO L225 Difference]: With dead ends: 1438 [2019-10-15 01:21:50,148 INFO L226 Difference]: Without dead ends: 1076 [2019-10-15 01:21:50,151 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 01:21:50,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1076 states. [2019-10-15 01:21:50,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1076 to 1056. [2019-10-15 01:21:50,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1056 states. [2019-10-15 01:21:50,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1056 states to 1056 states and 1293 transitions. [2019-10-15 01:21:50,255 INFO L78 Accepts]: Start accepts. Automaton has 1056 states and 1293 transitions. Word has length 103 [2019-10-15 01:21:50,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:21:50,257 INFO L462 AbstractCegarLoop]: Abstraction has 1056 states and 1293 transitions. [2019-10-15 01:21:50,257 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-15 01:21:50,257 INFO L276 IsEmpty]: Start isEmpty. Operand 1056 states and 1293 transitions. [2019-10-15 01:21:50,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-10-15 01:21:50,269 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:21:50,269 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:21:50,269 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:21:50,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:50,270 INFO L82 PathProgramCache]: Analyzing trace with hash -1731736191, now seen corresponding path program 1 times [2019-10-15 01:21:50,270 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:21:50,270 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992721678] [2019-10-15 01:21:50,271 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:50,271 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:50,271 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:21:50,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:50,379 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:21:50,380 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992721678] [2019-10-15 01:21:50,381 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:21:50,381 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 01:21:50,382 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769845778] [2019-10-15 01:21:50,382 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 01:21:50,383 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:21:50,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 01:21:50,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 01:21:50,384 INFO L87 Difference]: Start difference. First operand 1056 states and 1293 transitions. Second operand 6 states. [2019-10-15 01:21:50,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:21:50,476 INFO L93 Difference]: Finished difference Result 2126 states and 2692 transitions. [2019-10-15 01:21:50,476 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 01:21:50,477 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 103 [2019-10-15 01:21:50,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:21:50,486 INFO L225 Difference]: With dead ends: 2126 [2019-10-15 01:21:50,487 INFO L226 Difference]: Without dead ends: 1098 [2019-10-15 01:21:50,515 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:21:50,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1098 states. [2019-10-15 01:21:50,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1098 to 1086. [2019-10-15 01:21:50,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1086 states. [2019-10-15 01:21:50,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1086 states to 1086 states and 1325 transitions. [2019-10-15 01:21:50,584 INFO L78 Accepts]: Start accepts. Automaton has 1086 states and 1325 transitions. Word has length 103 [2019-10-15 01:21:50,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:21:50,585 INFO L462 AbstractCegarLoop]: Abstraction has 1086 states and 1325 transitions. [2019-10-15 01:21:50,585 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 01:21:50,585 INFO L276 IsEmpty]: Start isEmpty. Operand 1086 states and 1325 transitions. [2019-10-15 01:21:50,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-10-15 01:21:50,588 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:21:50,588 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:21:50,589 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:21:50,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:50,589 INFO L82 PathProgramCache]: Analyzing trace with hash 513843263, now seen corresponding path program 1 times [2019-10-15 01:21:50,589 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:21:50,589 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051122900] [2019-10-15 01:21:50,590 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:50,590 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:50,590 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:21:50,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:50,695 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:21:50,695 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051122900] [2019-10-15 01:21:50,696 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:21:50,696 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-15 01:21:50,696 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829458318] [2019-10-15 01:21:50,697 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 01:21:50,697 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:21:50,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 01:21:50,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-15 01:21:50,698 INFO L87 Difference]: Start difference. First operand 1086 states and 1325 transitions. Second operand 8 states. [2019-10-15 01:21:50,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:21:50,771 INFO L93 Difference]: Finished difference Result 1941 states and 2427 transitions. [2019-10-15 01:21:50,771 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:21:50,771 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 103 [2019-10-15 01:21:50,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:21:50,778 INFO L225 Difference]: With dead ends: 1941 [2019-10-15 01:21:50,778 INFO L226 Difference]: Without dead ends: 883 [2019-10-15 01:21:50,782 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-15 01:21:50,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 883 states. [2019-10-15 01:21:50,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 883 to 883. [2019-10-15 01:21:50,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 883 states. [2019-10-15 01:21:50,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 883 states to 883 states and 1064 transitions. [2019-10-15 01:21:50,842 INFO L78 Accepts]: Start accepts. Automaton has 883 states and 1064 transitions. Word has length 103 [2019-10-15 01:21:50,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:21:50,843 INFO L462 AbstractCegarLoop]: Abstraction has 883 states and 1064 transitions. [2019-10-15 01:21:50,843 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-15 01:21:50,843 INFO L276 IsEmpty]: Start isEmpty. Operand 883 states and 1064 transitions. [2019-10-15 01:21:50,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-10-15 01:21:50,847 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:21:50,847 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:21:50,848 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:21:50,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:50,849 INFO L82 PathProgramCache]: Analyzing trace with hash -1595809660, now seen corresponding path program 1 times [2019-10-15 01:21:50,849 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:21:50,850 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107274694] [2019-10-15 01:21:50,850 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:50,850 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:50,850 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:21:50,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:51,047 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:21:51,047 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107274694] [2019-10-15 01:21:51,047 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:21:51,048 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-15 01:21:51,048 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180998416] [2019-10-15 01:21:51,048 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-15 01:21:51,049 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:21:51,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-15 01:21:51,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-10-15 01:21:51,050 INFO L87 Difference]: Start difference. First operand 883 states and 1064 transitions. Second operand 9 states. [2019-10-15 01:21:52,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:21:52,248 INFO L93 Difference]: Finished difference Result 2434 states and 3065 transitions. [2019-10-15 01:21:52,248 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-15 01:21:52,249 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 107 [2019-10-15 01:21:52,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:21:52,264 INFO L225 Difference]: With dead ends: 2434 [2019-10-15 01:21:52,264 INFO L226 Difference]: Without dead ends: 1755 [2019-10-15 01:21:52,269 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2019-10-15 01:21:52,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1755 states. [2019-10-15 01:21:52,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1755 to 1552. [2019-10-15 01:21:52,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1552 states. [2019-10-15 01:21:52,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1552 states to 1552 states and 1852 transitions. [2019-10-15 01:21:52,410 INFO L78 Accepts]: Start accepts. Automaton has 1552 states and 1852 transitions. Word has length 107 [2019-10-15 01:21:52,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:21:52,410 INFO L462 AbstractCegarLoop]: Abstraction has 1552 states and 1852 transitions. [2019-10-15 01:21:52,410 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-15 01:21:52,411 INFO L276 IsEmpty]: Start isEmpty. Operand 1552 states and 1852 transitions. [2019-10-15 01:21:52,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2019-10-15 01:21:52,415 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:21:52,416 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1] [2019-10-15 01:21:52,416 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:21:52,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:52,417 INFO L82 PathProgramCache]: Analyzing trace with hash 439174861, now seen corresponding path program 1 times [2019-10-15 01:21:52,417 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:21:52,417 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085393640] [2019-10-15 01:21:52,417 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:52,418 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:52,418 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:21:52,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:52,658 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 23 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-15 01:21:52,658 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085393640] [2019-10-15 01:21:52,658 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [483086630] [2019-10-15 01:21:52,659 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:21:52,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:52,930 INFO L256 TraceCheckSpWp]: Trace formula consists of 926 conjuncts, 8 conjunts are in the unsatisfiable core [2019-10-15 01:21:52,944 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:21:53,131 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 26 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:21:53,131 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:21:53,645 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 23 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-15 01:21:53,646 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [167511967] [2019-10-15 01:21:53,656 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 152 [2019-10-15 01:21:53,733 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-15 01:21:53,734 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-15 01:21:53,854 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-15 01:21:53,856 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 69 root evaluator evaluations with a maximum evaluation depth of 0. Performed 69 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 128 variables. [2019-10-15 01:21:53,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:53,862 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-15 01:21:53,976 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-15 01:21:53,976 INFO L551 sIntCurrentIteration]: Unifying AI predicates [2019-10-15 01:21:53,980 INFO L553 sIntCurrentIteration]: We unified 150 AI predicates to 150 [2019-10-15 01:21:53,983 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-15 01:21:53,984 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-10-15 01:21:53,985 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [11, 7, 7] total 19 [2019-10-15 01:21:53,985 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651260655] [2019-10-15 01:21:53,986 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 01:21:53,987 INFO L137 tionRefinementEngine]: Using predicate unifier AbsIntPredicateUnifier provided by strategy TAIPAN [2019-10-15 01:21:53,987 INFO L124 tionRefinementEngine]: Using hoare triple checker CachingHoareTripleCheckerMap provided by strategy [2019-10-15 01:21:53,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 01:21:53,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:21:53,988 INFO L87 Difference]: Start difference. First operand 1552 states and 1852 transitions. Second operand 2 states. [2019-10-15 01:21:54,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:21:54,013 INFO L93 Difference]: Finished difference Result 1552 states and 1852 transitions. [2019-10-15 01:21:54,013 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 01:21:54,013 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 151 [2019-10-15 01:21:54,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:21:54,014 INFO L225 Difference]: With dead ends: 1552 [2019-10-15 01:21:54,014 INFO L226 Difference]: Without dead ends: 0 [2019-10-15 01:21:54,019 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:21:54,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-15 01:21:54,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-15 01:21:54,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-15 01:21:54,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-15 01:21:54,020 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 151 [2019-10-15 01:21:54,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:21:54,020 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-15 01:21:54,020 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 01:21:54,020 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-15 01:21:54,021 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-15 01:21:54,227 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:21:54,233 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-15 01:21:54,691 INFO L443 ceAbstractionStarter]: For program point L224(lines 224 228) no Hoare annotation was computed. [2019-10-15 01:21:54,691 INFO L443 ceAbstractionStarter]: For program point L224-1(lines 224 228) no Hoare annotation was computed. [2019-10-15 01:21:54,692 INFO L443 ceAbstractionStarter]: For program point L219(line 219) no Hoare annotation was computed. [2019-10-15 01:21:54,692 INFO L443 ceAbstractionStarter]: For program point L218-2(lines 218 239) no Hoare annotation was computed. [2019-10-15 01:21:54,692 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 193 248) no Hoare annotation was computed. [2019-10-15 01:21:54,692 INFO L443 ceAbstractionStarter]: For program point L240(lines 217 241) no Hoare annotation was computed. [2019-10-15 01:21:54,692 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 193 248) no Hoare annotation was computed. [2019-10-15 01:21:54,692 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 193 248) no Hoare annotation was computed. [2019-10-15 01:21:54,692 INFO L443 ceAbstractionStarter]: For program point L281(lines 281 285) no Hoare annotation was computed. [2019-10-15 01:21:54,692 INFO L443 ceAbstractionStarter]: For program point L281-1(lines 281 285) no Hoare annotation was computed. [2019-10-15 01:21:54,693 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 249 308) no Hoare annotation was computed. [2019-10-15 01:21:54,693 INFO L443 ceAbstractionStarter]: For program point L276(line 276) no Hoare annotation was computed. [2019-10-15 01:21:54,693 INFO L443 ceAbstractionStarter]: For program point L275-2(lines 275 300) no Hoare annotation was computed. [2019-10-15 01:21:54,693 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 249 308) no Hoare annotation was computed. [2019-10-15 01:21:54,693 INFO L443 ceAbstractionStarter]: For program point L301(lines 274 302) no Hoare annotation was computed. [2019-10-15 01:21:54,693 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 249 308) no Hoare annotation was computed. [2019-10-15 01:21:54,693 INFO L443 ceAbstractionStarter]: For program point L294(line 294) no Hoare annotation was computed. [2019-10-15 01:21:54,693 INFO L443 ceAbstractionStarter]: For program point L294-1(line 294) no Hoare annotation was computed. [2019-10-15 01:21:54,694 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 803 809) the Hoare annotation is: true [2019-10-15 01:21:54,694 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 803 809) no Hoare annotation was computed. [2019-10-15 01:21:54,694 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 810 818) no Hoare annotation was computed. [2019-10-15 01:21:54,694 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 810 818) the Hoare annotation is: true [2019-10-15 01:21:54,694 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 810 818) no Hoare annotation was computed. [2019-10-15 01:21:54,694 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 928 935) the Hoare annotation is: true [2019-10-15 01:21:54,694 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 928 935) no Hoare annotation was computed. [2019-10-15 01:21:54,694 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 928 935) no Hoare annotation was computed. [2019-10-15 01:21:54,695 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 936 945) the Hoare annotation is: true [2019-10-15 01:21:54,695 INFO L443 ceAbstractionStarter]: For program point L941(line 941) no Hoare annotation was computed. [2019-10-15 01:21:54,695 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 936 945) no Hoare annotation was computed. [2019-10-15 01:21:54,696 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 936 945) no Hoare annotation was computed. [2019-10-15 01:21:54,696 INFO L446 ceAbstractionStarter]: At program point L961(line 961) the Hoare annotation is: true [2019-10-15 01:21:54,696 INFO L443 ceAbstractionStarter]: For program point L959(lines 959 965) no Hoare annotation was computed. [2019-10-15 01:21:54,696 INFO L443 ceAbstractionStarter]: For program point L958(lines 958 968) no Hoare annotation was computed. [2019-10-15 01:21:54,696 INFO L446 ceAbstractionStarter]: At program point L956(line 956) the Hoare annotation is: true [2019-10-15 01:21:54,696 INFO L443 ceAbstractionStarter]: For program point L956-1(line 956) no Hoare annotation was computed. [2019-10-15 01:21:54,696 INFO L443 ceAbstractionStarter]: For program point L954(lines 954 971) no Hoare annotation was computed. [2019-10-15 01:21:54,697 INFO L443 ceAbstractionStarter]: For program point L954-1(lines 946 974) no Hoare annotation was computed. [2019-10-15 01:21:54,697 INFO L446 ceAbstractionStarter]: At program point L952(line 952) the Hoare annotation is: true [2019-10-15 01:21:54,697 INFO L443 ceAbstractionStarter]: For program point L952-1(line 952) no Hoare annotation was computed. [2019-10-15 01:21:54,697 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 946 974) the Hoare annotation is: true [2019-10-15 01:21:54,697 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 946 974) no Hoare annotation was computed. [2019-10-15 01:21:54,697 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 894 916) the Hoare annotation is: true [2019-10-15 01:21:54,697 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 894 916) no Hoare annotation was computed. [2019-10-15 01:21:54,697 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 894 916) no Hoare annotation was computed. [2019-10-15 01:21:54,697 INFO L446 ceAbstractionStarter]: At program point L906(line 906) the Hoare annotation is: true [2019-10-15 01:21:54,698 INFO L446 ceAbstractionStarter]: At program point L906-1(line 906) the Hoare annotation is: true [2019-10-15 01:21:54,698 INFO L443 ceAbstractionStarter]: For program point L904(lines 904 911) no Hoare annotation was computed. [2019-10-15 01:21:54,698 INFO L443 ceAbstractionStarter]: For program point L904-1(lines 904 911) no Hoare annotation was computed. [2019-10-15 01:21:54,698 INFO L443 ceAbstractionStarter]: For program point L902(line 902) no Hoare annotation was computed. [2019-10-15 01:21:54,698 INFO L446 ceAbstractionStarter]: At program point L901(line 901) the Hoare annotation is: true [2019-10-15 01:21:54,698 INFO L446 ceAbstractionStarter]: At program point L900(line 900) the Hoare annotation is: true [2019-10-15 01:21:54,698 INFO L446 ceAbstractionStarter]: At program point L900-1(line 900) the Hoare annotation is: true [2019-10-15 01:21:54,698 INFO L443 ceAbstractionStarter]: For program point L865(line 865) no Hoare annotation was computed. [2019-10-15 01:21:54,698 INFO L443 ceAbstractionStarter]: For program point L864(line 864) no Hoare annotation was computed. [2019-10-15 01:21:54,699 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 851 874) no Hoare annotation was computed. [2019-10-15 01:21:54,699 INFO L443 ceAbstractionStarter]: For program point L863(line 863) no Hoare annotation was computed. [2019-10-15 01:21:54,699 INFO L443 ceAbstractionStarter]: For program point L862(line 862) no Hoare annotation was computed. [2019-10-15 01:21:54,699 INFO L443 ceAbstractionStarter]: For program point L861(line 861) no Hoare annotation was computed. [2019-10-15 01:21:54,699 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 851 874) no Hoare annotation was computed. [2019-10-15 01:21:54,699 INFO L443 ceAbstractionStarter]: For program point L860(line 860) no Hoare annotation was computed. [2019-10-15 01:21:54,699 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 851 874) no Hoare annotation was computed. [2019-10-15 01:21:54,699 INFO L443 ceAbstractionStarter]: For program point L859(line 859) no Hoare annotation was computed. [2019-10-15 01:21:54,699 INFO L443 ceAbstractionStarter]: For program point L858(line 858) no Hoare annotation was computed. [2019-10-15 01:21:54,700 INFO L443 ceAbstractionStarter]: For program point L857(line 857) no Hoare annotation was computed. [2019-10-15 01:21:54,700 INFO L443 ceAbstractionStarter]: For program point L856(line 856) no Hoare annotation was computed. [2019-10-15 01:21:54,700 INFO L443 ceAbstractionStarter]: For program point L869(line 869) no Hoare annotation was computed. [2019-10-15 01:21:54,700 INFO L443 ceAbstractionStarter]: For program point L868(line 868) no Hoare annotation was computed. [2019-10-15 01:21:54,700 INFO L443 ceAbstractionStarter]: For program point L867(line 867) no Hoare annotation was computed. [2019-10-15 01:21:54,700 INFO L443 ceAbstractionStarter]: For program point L866(line 866) no Hoare annotation was computed. [2019-10-15 01:21:54,700 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 688 702) no Hoare annotation was computed. [2019-10-15 01:21:54,700 INFO L446 ceAbstractionStarter]: At program point L694(line 694) the Hoare annotation is: true [2019-10-15 01:21:54,701 INFO L446 ceAbstractionStarter]: At program point stopSystemENTRY(lines 688 702) the Hoare annotation is: true [2019-10-15 01:21:54,701 INFO L443 ceAbstractionStarter]: For program point stopSystemFINAL(lines 688 702) no Hoare annotation was computed. [2019-10-15 01:21:54,701 INFO L443 ceAbstractionStarter]: For program point L692(lines 692 698) no Hoare annotation was computed. [2019-10-15 01:21:54,701 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 624 632) no Hoare annotation was computed. [2019-10-15 01:21:54,701 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 624 632) the Hoare annotation is: true [2019-10-15 01:21:54,701 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 624 632) no Hoare annotation was computed. [2019-10-15 01:21:54,701 INFO L443 ceAbstractionStarter]: For program point L640(lines 640 648) no Hoare annotation was computed. [2019-10-15 01:21:54,701 INFO L443 ceAbstractionStarter]: For program point L640-2(lines 640 648) no Hoare annotation was computed. [2019-10-15 01:21:54,701 INFO L443 ceAbstractionStarter]: For program point L663(line 663) no Hoare annotation was computed. [2019-10-15 01:21:54,701 INFO L443 ceAbstractionStarter]: For program point L663-1(line 663) no Hoare annotation was computed. [2019-10-15 01:21:54,702 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 633 668) no Hoare annotation was computed. [2019-10-15 01:21:54,702 INFO L443 ceAbstractionStarter]: For program point L652(lines 652 660) no Hoare annotation was computed. [2019-10-15 01:21:54,702 INFO L443 ceAbstractionStarter]: For program point L652-2(lines 652 660) no Hoare annotation was computed. [2019-10-15 01:21:54,702 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 633 668) no Hoare annotation was computed. [2019-10-15 01:21:54,702 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 633 668) no Hoare annotation was computed. [2019-10-15 01:21:54,702 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 796 802) no Hoare annotation was computed. [2019-10-15 01:21:54,702 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 796 802) the Hoare annotation is: true [2019-10-15 01:21:54,702 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 147 192) no Hoare annotation was computed. [2019-10-15 01:21:54,702 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 147 192) no Hoare annotation was computed. [2019-10-15 01:21:54,703 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 147 192) no Hoare annotation was computed. [2019-10-15 01:21:54,703 INFO L443 ceAbstractionStarter]: For program point L480(lines 480 487) no Hoare annotation was computed. [2019-10-15 01:21:54,703 INFO L443 ceAbstractionStarter]: For program point L474(lines 474 494) no Hoare annotation was computed. [2019-10-15 01:21:54,703 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 460 505) no Hoare annotation was computed. [2019-10-15 01:21:54,703 INFO L443 ceAbstractionStarter]: For program point L474-1(lines 474 494) no Hoare annotation was computed. [2019-10-15 01:21:54,703 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 460 505) no Hoare annotation was computed. [2019-10-15 01:21:54,703 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 460 505) no Hoare annotation was computed. [2019-10-15 01:21:54,704 INFO L446 ceAbstractionStarter]: At program point runTestENTRY(lines 883 893) the Hoare annotation is: true [2019-10-15 01:21:54,704 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 883 893) no Hoare annotation was computed. [2019-10-15 01:21:54,704 INFO L446 ceAbstractionStarter]: At program point L888(line 888) the Hoare annotation is: true [2019-10-15 01:21:54,704 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 883 893) no Hoare annotation was computed. [2019-10-15 01:21:54,704 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 613 623) the Hoare annotation is: true [2019-10-15 01:21:54,704 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 613 623) no Hoare annotation was computed. [2019-10-15 01:21:54,704 INFO L446 ceAbstractionStarter]: At program point L618(line 618) the Hoare annotation is: true [2019-10-15 01:21:54,704 INFO L443 ceAbstractionStarter]: For program point L618-1(line 618) no Hoare annotation was computed. [2019-10-15 01:21:54,704 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 613 623) no Hoare annotation was computed. [2019-10-15 01:21:54,705 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 605 612) the Hoare annotation is: true [2019-10-15 01:21:54,705 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 605 612) no Hoare annotation was computed. [2019-10-15 01:21:54,705 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 605 612) no Hoare annotation was computed. [2019-10-15 01:21:54,705 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 126 139) no Hoare annotation was computed. [2019-10-15 01:21:54,705 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 126 139) the Hoare annotation is: true [2019-10-15 01:21:54,705 INFO L443 ceAbstractionStarter]: For program point L130(lines 130 136) no Hoare annotation was computed. [2019-10-15 01:21:54,705 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 126 139) no Hoare annotation was computed. [2019-10-15 01:21:54,706 INFO L446 ceAbstractionStarter]: At program point L573(line 573) the Hoare annotation is: true [2019-10-15 01:21:54,706 INFO L443 ceAbstractionStarter]: For program point L573-1(lines 554 578) no Hoare annotation was computed. [2019-10-15 01:21:54,706 INFO L446 ceAbstractionStarter]: At program point L568(line 568) the Hoare annotation is: true [2019-10-15 01:21:54,706 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 554 578) no Hoare annotation was computed. [2019-10-15 01:21:54,706 INFO L446 ceAbstractionStarter]: At program point L564(line 564) the Hoare annotation is: true [2019-10-15 01:21:54,706 INFO L446 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 554 578) the Hoare annotation is: true [2019-10-15 01:21:54,706 INFO L443 ceAbstractionStarter]: For program point L562(lines 562 570) no Hoare annotation was computed. [2019-10-15 01:21:54,706 INFO L446 ceAbstractionStarter]: At program point L560(line 560) the Hoare annotation is: true [2019-10-15 01:21:54,707 INFO L443 ceAbstractionStarter]: For program point L560-1(line 560) no Hoare annotation was computed. [2019-10-15 01:21:54,707 INFO L443 ceAbstractionStarter]: For program point L558(lines 558 575) no Hoare annotation was computed. [2019-10-15 01:21:54,707 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 546 552) no Hoare annotation was computed. [2019-10-15 01:21:54,707 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 546 552) the Hoare annotation is: true [2019-10-15 01:21:54,707 INFO L446 ceAbstractionStarter]: At program point testENTRY(lines 713 780) the Hoare annotation is: true [2019-10-15 01:21:54,707 INFO L446 ceAbstractionStarter]: At program point L735(line 735) the Hoare annotation is: true [2019-10-15 01:21:54,707 INFO L443 ceAbstractionStarter]: For program point L733(lines 733 739) no Hoare annotation was computed. [2019-10-15 01:21:54,707 INFO L443 ceAbstractionStarter]: For program point L733-1(lines 733 739) no Hoare annotation was computed. [2019-10-15 01:21:54,708 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 713 780) no Hoare annotation was computed. [2019-10-15 01:21:54,708 INFO L443 ceAbstractionStarter]: For program point L725(lines 725 729) no Hoare annotation was computed. [2019-10-15 01:21:54,708 INFO L446 ceAbstractionStarter]: At program point L773(lines 722 774) the Hoare annotation is: true [2019-10-15 01:21:54,708 INFO L446 ceAbstractionStarter]: At program point L763(line 763) the Hoare annotation is: true [2019-10-15 01:21:54,708 INFO L443 ceAbstractionStarter]: For program point L761(lines 761 767) no Hoare annotation was computed. [2019-10-15 01:21:54,708 INFO L446 ceAbstractionStarter]: At program point L761-1(lines 753 768) the Hoare annotation is: true [2019-10-15 01:21:54,708 INFO L443 ceAbstractionStarter]: For program point L724(lines 723 772) no Hoare annotation was computed. [2019-10-15 01:21:54,708 INFO L446 ceAbstractionStarter]: At program point L755(line 755) the Hoare annotation is: true [2019-10-15 01:21:54,708 INFO L443 ceAbstractionStarter]: For program point L753(lines 753 768) no Hoare annotation was computed. [2019-10-15 01:21:54,709 INFO L446 ceAbstractionStarter]: At program point L745(line 745) the Hoare annotation is: true [2019-10-15 01:21:54,709 INFO L443 ceAbstractionStarter]: For program point L743(lines 743 749) no Hoare annotation was computed. [2019-10-15 01:21:54,709 INFO L443 ceAbstractionStarter]: For program point L743-1(lines 743 749) no Hoare annotation was computed. [2019-10-15 01:21:54,709 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 713 780) no Hoare annotation was computed. [2019-10-15 01:21:54,709 INFO L446 ceAbstractionStarter]: At program point L770(lines 723 772) the Hoare annotation is: true [2019-10-15 01:21:54,709 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 414 459) no Hoare annotation was computed. [2019-10-15 01:21:54,709 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 414 459) no Hoare annotation was computed. [2019-10-15 01:21:54,709 INFO L443 ceAbstractionStarter]: For program point L434(lines 434 441) no Hoare annotation was computed. [2019-10-15 01:21:54,710 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 414 459) no Hoare annotation was computed. [2019-10-15 01:21:54,710 INFO L443 ceAbstractionStarter]: For program point L428(lines 428 448) no Hoare annotation was computed. [2019-10-15 01:21:54,710 INFO L443 ceAbstractionStarter]: For program point L428-1(lines 428 448) no Hoare annotation was computed. [2019-10-15 01:21:54,710 INFO L446 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 579 586) the Hoare annotation is: true [2019-10-15 01:21:54,710 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 579 586) no Hoare annotation was computed. [2019-10-15 01:21:54,710 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 579 586) no Hoare annotation was computed. [2019-10-15 01:21:54,710 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 94 116) no Hoare annotation was computed. [2019-10-15 01:21:54,710 INFO L443 ceAbstractionStarter]: For program point L102(lines 102 110) no Hoare annotation was computed. [2019-10-15 01:21:54,711 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 94 116) no Hoare annotation was computed. [2019-10-15 01:21:54,711 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 94 116) no Hoare annotation was computed. [2019-10-15 01:21:54,711 INFO L443 ceAbstractionStarter]: For program point L102-2(lines 102 110) no Hoare annotation was computed. [2019-10-15 01:21:54,711 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 311 413) no Hoare annotation was computed. [2019-10-15 01:21:54,711 INFO L443 ceAbstractionStarter]: For program point L376(line 376) no Hoare annotation was computed. [2019-10-15 01:21:54,711 INFO L443 ceAbstractionStarter]: For program point L376-1(line 376) no Hoare annotation was computed. [2019-10-15 01:21:54,711 INFO L443 ceAbstractionStarter]: For program point L335(lines 335 339) no Hoare annotation was computed. [2019-10-15 01:21:54,711 INFO L443 ceAbstractionStarter]: For program point L399(lines 399 410) no Hoare annotation was computed. [2019-10-15 01:21:54,712 INFO L443 ceAbstractionStarter]: For program point L362(lines 362 366) no Hoare annotation was computed. [2019-10-15 01:21:54,712 INFO L443 ceAbstractionStarter]: For program point L360-2(lines 360 380) no Hoare annotation was computed. [2019-10-15 01:21:54,712 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 311 413) no Hoare annotation was computed. [2019-10-15 01:21:54,712 INFO L443 ceAbstractionStarter]: For program point L381(lines 359 382) no Hoare annotation was computed. [2019-10-15 01:21:54,712 INFO L443 ceAbstractionStarter]: For program point L340(lines 340 356) no Hoare annotation was computed. [2019-10-15 01:21:54,712 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 311 413) no Hoare annotation was computed. [2019-10-15 01:21:54,713 INFO L443 ceAbstractionStarter]: For program point L400(lines 400 407) no Hoare annotation was computed. [2019-10-15 01:21:54,713 INFO L443 ceAbstractionStarter]: For program point L361(lines 360 380) no Hoare annotation was computed. [2019-10-15 01:21:54,713 INFO L443 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2019-10-15 01:21:54,713 INFO L443 ceAbstractionStarter]: For program point L392-1(line 392) no Hoare annotation was computed. [2019-10-15 01:21:54,713 INFO L443 ceAbstractionStarter]: For program point L357(lines 357 398) no Hoare annotation was computed. [2019-10-15 01:21:54,713 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 786 795) no Hoare annotation was computed. [2019-10-15 01:21:54,714 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 786 795) no Hoare annotation was computed. [2019-10-15 01:21:54,714 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 786 795) no Hoare annotation was computed. [2019-10-15 01:21:54,714 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:21:54,714 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (or (= 1 ~waterLevel~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2019-10-15 01:21:54,714 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:21:54,714 INFO L446 ceAbstractionStarter]: At program point L593(line 593) the Hoare annotation is: true [2019-10-15 01:21:54,715 INFO L443 ceAbstractionStarter]: For program point L593-1(line 593) no Hoare annotation was computed. [2019-10-15 01:21:54,715 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 588 604) no Hoare annotation was computed. [2019-10-15 01:21:54,715 INFO L446 ceAbstractionStarter]: At program point activatePumpENTRY(lines 588 604) the Hoare annotation is: true [2019-10-15 01:21:54,715 INFO L446 ceAbstractionStarter]: At program point L599(line 599) the Hoare annotation is: true [2019-10-15 01:21:54,715 INFO L443 ceAbstractionStarter]: For program point L599-1(lines 588 604) no Hoare annotation was computed. [2019-10-15 01:21:54,715 INFO L443 ceAbstractionStarter]: For program point L595(lines 595 601) no Hoare annotation was computed. [2019-10-15 01:21:54,715 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 117 125) the Hoare annotation is: true [2019-10-15 01:21:54,715 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 117 125) no Hoare annotation was computed. [2019-10-15 01:21:54,716 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2019-10-15 01:21:54,716 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 669 687) no Hoare annotation was computed. [2019-10-15 01:21:54,716 INFO L443 ceAbstractionStarter]: For program point L678(lines 678 682) no Hoare annotation was computed. [2019-10-15 01:21:54,717 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 669 687) the Hoare annotation is: true [2019-10-15 01:21:54,717 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 669 687) no Hoare annotation was computed. [2019-10-15 01:21:54,717 INFO L446 ceAbstractionStarter]: At program point L676(line 676) the Hoare annotation is: true [2019-10-15 01:21:54,717 INFO L443 ceAbstractionStarter]: For program point L678-2(lines 678 682) no Hoare annotation was computed. [2019-10-15 01:21:54,717 INFO L443 ceAbstractionStarter]: For program point L676-1(line 676) no Hoare annotation was computed. [2019-10-15 01:21:54,717 INFO L443 ceAbstractionStarter]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2019-10-15 01:21:54,717 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: true [2019-10-15 01:21:54,718 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2019-10-15 01:21:54,718 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:21:54,718 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-15 01:21:54,718 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:21:54,718 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2019-10-15 01:21:54,718 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2019-10-15 01:21:54,718 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2019-10-15 01:21:54,718 INFO L446 ceAbstractionStarter]: At program point L535(line 535) the Hoare annotation is: true [2019-10-15 01:21:54,719 INFO L446 ceAbstractionStarter]: At program point L533(lines 533 539) the Hoare annotation is: true [2019-10-15 01:21:54,719 INFO L446 ceAbstractionStarter]: At program point L528(line 528) the Hoare annotation is: true [2019-10-15 01:21:54,719 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 519 545) the Hoare annotation is: true [2019-10-15 01:21:54,720 INFO L443 ceAbstractionStarter]: For program point L526(lines 522 544) no Hoare annotation was computed. [2019-10-15 01:21:54,720 INFO L443 ceAbstractionStarter]: For program point L524(lines 522 544) no Hoare annotation was computed. [2019-10-15 01:21:54,720 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 519 545) no Hoare annotation was computed. [2019-10-15 01:21:54,720 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 519 545) no Hoare annotation was computed. [2019-10-15 01:21:54,720 INFO L443 ceAbstractionStarter]: For program point L832(line 832) no Hoare annotation was computed. [2019-10-15 01:21:54,720 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 821 850) no Hoare annotation was computed. [2019-10-15 01:21:54,720 INFO L446 ceAbstractionStarter]: At program point L831-2(lines 831 845) the Hoare annotation is: true [2019-10-15 01:21:54,721 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 821 850) the Hoare annotation is: true [2019-10-15 01:21:54,721 INFO L446 ceAbstractionStarter]: At program point L827(line 827) the Hoare annotation is: true [2019-10-15 01:21:54,721 INFO L443 ceAbstractionStarter]: For program point L827-1(line 827) no Hoare annotation was computed. [2019-10-15 01:21:54,721 INFO L446 ceAbstractionStarter]: At program point L846(lines 821 850) the Hoare annotation is: true [2019-10-15 01:21:54,721 INFO L443 ceAbstractionStarter]: For program point L842(line 842) no Hoare annotation was computed. [2019-10-15 01:21:54,721 INFO L443 ceAbstractionStarter]: For program point L835(lines 835 839) no Hoare annotation was computed. [2019-10-15 01:21:54,721 INFO L446 ceAbstractionStarter]: At program point L835-1(lines 835 839) the Hoare annotation is: true [2019-10-15 01:21:54,721 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: true [2019-10-15 01:21:54,722 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2019-10-15 01:21:54,722 INFO L443 ceAbstractionStarter]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2019-10-15 01:21:54,722 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 875 881) no Hoare annotation was computed. [2019-10-15 01:21:54,722 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 875 881) the Hoare annotation is: true [2019-10-15 01:21:54,722 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:21:54,722 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2019-10-15 01:21:54,722 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-15 01:21:54,722 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:21:54,722 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 703 710) no Hoare annotation was computed. [2019-10-15 01:21:54,723 INFO L446 ceAbstractionStarter]: At program point startSystemENTRY(lines 703 710) the Hoare annotation is: true [2019-10-15 01:21:54,723 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 703 710) no Hoare annotation was computed. [2019-10-15 01:21:54,723 INFO L443 ceAbstractionStarter]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2019-10-15 01:21:54,723 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2019-10-15 01:21:54,723 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: true [2019-10-15 01:21:54,723 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 918 925) no Hoare annotation was computed. [2019-10-15 01:21:54,723 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 918 925) the Hoare annotation is: true [2019-10-15 01:21:54,723 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 918 925) no Hoare annotation was computed. [2019-10-15 01:21:54,723 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 922) no Hoare annotation was computed. [2019-10-15 01:21:54,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 01:21:54 BoogieIcfgContainer [2019-10-15 01:21:54,741 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-15 01:21:54,743 INFO L168 Benchmark]: Toolchain (without parser) took 9946.33 ms. Allocated memory was 136.3 MB in the beginning and 351.8 MB in the end (delta: 215.5 MB). Free memory was 100.3 MB in the beginning and 227.5 MB in the end (delta: -127.2 MB). Peak memory consumption was 239.3 MB. Max. memory is 7.1 GB. [2019-10-15 01:21:54,744 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 136.3 MB. Free memory is still 119.2 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-15 01:21:54,745 INFO L168 Benchmark]: CACSL2BoogieTranslator took 601.60 ms. Allocated memory was 136.3 MB in the beginning and 200.8 MB in the end (delta: 64.5 MB). Free memory was 100.3 MB in the beginning and 168.6 MB in the end (delta: -68.2 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. [2019-10-15 01:21:54,746 INFO L168 Benchmark]: Boogie Preprocessor took 143.16 ms. Allocated memory is still 200.8 MB. Free memory was 168.6 MB in the beginning and 164.0 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2019-10-15 01:21:54,749 INFO L168 Benchmark]: RCFGBuilder took 1260.78 ms. Allocated memory was 200.8 MB in the beginning and 229.1 MB in the end (delta: 28.3 MB). Free memory was 163.0 MB in the beginning and 192.9 MB in the end (delta: -29.9 MB). Peak memory consumption was 86.6 MB. Max. memory is 7.1 GB. [2019-10-15 01:21:54,750 INFO L168 Benchmark]: TraceAbstraction took 7936.23 ms. Allocated memory was 229.1 MB in the beginning and 351.8 MB in the end (delta: 122.7 MB). Free memory was 192.9 MB in the beginning and 227.5 MB in the end (delta: -34.6 MB). Peak memory consumption was 239.1 MB. Max. memory is 7.1 GB. [2019-10-15 01:21:54,760 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 136.3 MB. Free memory is still 119.2 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 601.60 ms. Allocated memory was 136.3 MB in the beginning and 200.8 MB in the end (delta: 64.5 MB). Free memory was 100.3 MB in the beginning and 168.6 MB in the end (delta: -68.2 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 143.16 ms. Allocated memory is still 200.8 MB. Free memory was 168.6 MB in the beginning and 164.0 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1260.78 ms. Allocated memory was 200.8 MB in the beginning and 229.1 MB in the end (delta: 28.3 MB). Free memory was 163.0 MB in the beginning and 192.9 MB in the end (delta: -29.9 MB). Peak memory consumption was 86.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 7936.23 ms. Allocated memory was 229.1 MB in the beginning and 351.8 MB in the end (delta: 122.7 MB). Free memory was 192.9 MB in the beginning and 227.5 MB in the end (delta: -34.6 MB). Peak memory consumption was 239.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 922]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 723]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 831]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 242 locations, 1 error locations. Result: SAFE, OverallTime: 7.8s, OverallIterations: 9, TraceHistogramMax: 3, AutomataDifference: 3.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, HoareTripleCheckerStatistics: 1475 SDtfs, 1093 SDslu, 3267 SDs, 0 SdLazy, 1617 SolverSat, 312 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 237 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1552occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 9 MinimizatonAttempts, 307 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 64 LocationsWithAnnotation, 1886 PreInvPairs, 1887 NumberOfFragments, 74 HoareAnnotationTreeSize, 1886 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 64 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 972 NumberOfCodeBlocks, 972 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1112 ConstructedInterpolants, 0 QuantifiedInterpolants, 212282 SizeOfPredicates, 4 NumberOfNonLiveVariables, 926 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 11 InterpolantComputations, 8 PerfectInterpolantSequences, 118/141 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 207, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 1.0, AVG_VARS_REMOVED_DURING_WEAKENING: 0.86, AVG_WEAKENED_CONJUNCTS: 0.0, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...