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_spec2_product51.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 21:20:46,412 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 21:20:46,415 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 21:20:46,429 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 21:20:46,430 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 21:20:46,431 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 21:20:46,432 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 21:20:46,434 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 21:20:46,436 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 21:20:46,437 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 21:20:46,438 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 21:20:46,439 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 21:20:46,439 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 21:20:46,440 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 21:20:46,441 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 21:20:46,442 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 21:20:46,443 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 21:20:46,444 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 21:20:46,446 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 21:20:46,448 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 21:20:46,450 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 21:20:46,451 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 21:20:46,452 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 21:20:46,453 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 21:20:46,455 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 21:20:46,456 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 21:20:46,456 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 21:20:46,457 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 21:20:46,457 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 21:20:46,458 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 21:20:46,459 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 21:20:46,460 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 21:20:46,460 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 21:20:46,461 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 21:20:46,462 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 21:20:46,462 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 21:20:46,463 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 21:20:46,463 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 21:20:46,464 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 21:20:46,465 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 21:20:46,465 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 21:20:46,466 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 [2019-10-13 21:20:46,483 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 21:20:46,483 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 21:20:46,484 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 21:20:46,485 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 21:20:46,485 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 21:20:46,485 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 21:20:46,485 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 21:20:46,486 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 21:20:46,486 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 21:20:46,486 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 21:20:46,486 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 21:20:46,486 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 21:20:46,487 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 21:20:46,487 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 21:20:46,487 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 21:20:46,487 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 21:20:46,487 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 21:20:46,488 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 21:20:46,488 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 21:20:46,488 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 21:20:46,488 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 21:20:46,488 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:20:46,489 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 21:20:46,489 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 21:20:46,489 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 21:20:46,489 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 21:20:46,489 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 21:20:46,490 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 21:20:46,490 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 [2019-10-13 21:20:46,783 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 21:20:46,797 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 21:20:46,801 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 21:20:46,802 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 21:20:46,804 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 21:20:46,804 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product51.cil.c [2019-10-13 21:20:46,882 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb54098ac/4f9881a504154a2094fcb1ecc4a0f5e7/FLAGf224b07b9 [2019-10-13 21:20:47,451 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 21:20:47,454 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product51.cil.c [2019-10-13 21:20:47,480 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb54098ac/4f9881a504154a2094fcb1ecc4a0f5e7/FLAGf224b07b9 [2019-10-13 21:20:47,716 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb54098ac/4f9881a504154a2094fcb1ecc4a0f5e7 [2019-10-13 21:20:47,724 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 21:20:47,725 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 21:20:47,726 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 21:20:47,726 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 21:20:47,729 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 21:20:47,729 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:20:47" (1/1) ... [2019-10-13 21:20:47,732 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@120087b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:47, skipping insertion in model container [2019-10-13 21:20:47,732 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:20:47" (1/1) ... [2019-10-13 21:20:47,738 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 21:20:47,803 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 21:20:48,251 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:20:48,266 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 21:20:48,348 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:20:48,391 INFO L192 MainTranslator]: Completed translation [2019-10-13 21:20:48,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:48 WrapperNode [2019-10-13 21:20:48,392 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 21:20:48,392 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 21:20:48,392 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 21:20:48,392 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 21:20:48,403 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:48" (1/1) ... [2019-10-13 21:20:48,404 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:48" (1/1) ... [2019-10-13 21:20:48,427 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:48" (1/1) ... [2019-10-13 21:20:48,427 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:48" (1/1) ... [2019-10-13 21:20:48,469 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:48" (1/1) ... [2019-10-13 21:20:48,479 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:48" (1/1) ... [2019-10-13 21:20:48,490 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:48" (1/1) ... [2019-10-13 21:20:48,504 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 21:20:48,505 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 21:20:48,505 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 21:20:48,505 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 21:20:48,511 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:48" (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 [2019-10-13 21:20:48,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 21:20:48,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 21:20:48,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 21:20:48,580 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 21:20:48,580 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 21:20:48,581 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-13 21:20:48,581 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-13 21:20:48,582 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 21:20:48,582 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 21:20:48,582 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 21:20:48,583 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 21:20:48,583 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 21:20:48,583 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 21:20:48,584 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-13 21:20:48,584 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-13 21:20:48,584 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-13 21:20:48,587 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-10-13 21:20:48,587 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-10-13 21:20:48,587 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 21:20:48,587 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 21:20:48,588 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 21:20:48,588 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 21:20:48,589 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 21:20:48,589 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 21:20:48,590 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 21:20:48,590 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 21:20:48,590 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 21:20:48,590 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 21:20:48,590 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-13 21:20:48,591 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-13 21:20:48,591 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 21:20:48,591 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 21:20:48,591 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 21:20:48,591 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 21:20:48,591 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 21:20:48,592 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 21:20:48,592 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 21:20:48,592 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 21:20:48,592 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 21:20:48,593 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 21:20:48,593 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 21:20:48,593 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 21:20:48,593 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 21:20:48,593 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 21:20:48,593 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 21:20:48,593 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 21:20:48,594 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 21:20:48,594 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-13 21:20:48,594 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 21:20:48,594 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 21:20:48,595 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 21:20:48,595 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 21:20:48,595 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 21:20:48,595 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 21:20:48,595 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-13 21:20:48,595 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-13 21:20:48,595 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 21:20:48,596 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 21:20:48,596 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 21:20:48,596 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 21:20:48,596 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-10-13 21:20:48,596 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 21:20:48,597 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-13 21:20:48,597 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-13 21:20:48,597 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-13 21:20:48,597 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-13 21:20:48,597 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 21:20:48,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 21:20:48,598 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 21:20:48,598 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-10-13 21:20:48,598 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 21:20:48,598 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 21:20:48,598 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 21:20:48,599 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 21:20:48,599 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 21:20:48,600 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 21:20:48,600 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 21:20:48,600 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 21:20:48,600 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 21:20:48,601 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 21:20:48,601 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 21:20:48,601 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 21:20:48,601 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 21:20:48,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 21:20:48,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 21:20:48,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 21:20:48,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 21:20:48,604 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 21:20:48,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 21:20:48,604 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 21:20:48,604 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 21:20:48,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 21:20:48,605 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 21:20:48,605 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 21:20:48,605 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 21:20:48,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 21:20:48,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 21:20:48,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 21:20:49,665 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 21:20:49,666 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 21:20:49,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:20:49 BoogieIcfgContainer [2019-10-13 21:20:49,669 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 21:20:49,670 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 21:20:49,671 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 21:20:49,674 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 21:20:49,674 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:20:47" (1/3) ... [2019-10-13 21:20:49,675 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a9130ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:20:49, skipping insertion in model container [2019-10-13 21:20:49,676 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:48" (2/3) ... [2019-10-13 21:20:49,677 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a9130ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:20:49, skipping insertion in model container [2019-10-13 21:20:49,677 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:20:49" (3/3) ... [2019-10-13 21:20:49,681 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product51.cil.c [2019-10-13 21:20:49,692 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 21:20:49,702 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 21:20:49,713 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 21:20:49,756 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 21:20:49,757 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 21:20:49,757 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 21:20:49,757 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 21:20:49,757 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 21:20:49,758 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 21:20:49,758 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 21:20:49,758 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 21:20:49,782 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states. [2019-10-13 21:20:49,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-13 21:20:49,793 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:49,794 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:20:49,796 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:49,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:49,803 INFO L82 PathProgramCache]: Analyzing trace with hash 2010639633, now seen corresponding path program 1 times [2019-10-13 21:20:49,813 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:49,814 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536260162] [2019-10-13 21:20:49,814 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:49,814 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:49,815 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:49,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:50,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:20:50,186 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536260162] [2019-10-13 21:20:50,192 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:50,193 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 21:20:50,194 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297160680] [2019-10-13 21:20:50,201 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:20:50,205 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:50,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:20:50,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:20:50,237 INFO L87 Difference]: Start difference. First operand 185 states. Second operand 2 states. [2019-10-13 21:20:50,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:50,320 INFO L93 Difference]: Finished difference Result 274 states and 341 transitions. [2019-10-13 21:20:50,320 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:20:50,322 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2019-10-13 21:20:50,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:50,346 INFO L225 Difference]: With dead ends: 274 [2019-10-13 21:20:50,346 INFO L226 Difference]: Without dead ends: 139 [2019-10-13 21:20:50,354 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 [2019-10-13 21:20:50,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2019-10-13 21:20:50,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2019-10-13 21:20:50,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2019-10-13 21:20:50,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 164 transitions. [2019-10-13 21:20:50,428 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 164 transitions. Word has length 51 [2019-10-13 21:20:50,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:50,429 INFO L462 AbstractCegarLoop]: Abstraction has 139 states and 164 transitions. [2019-10-13 21:20:50,429 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:20:50,429 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 164 transitions. [2019-10-13 21:20:50,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-13 21:20:50,433 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:50,433 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:20:50,434 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:50,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:50,434 INFO L82 PathProgramCache]: Analyzing trace with hash -119912956, now seen corresponding path program 1 times [2019-10-13 21:20:50,434 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:50,435 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993753893] [2019-10-13 21:20:50,435 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:50,435 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:50,435 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:50,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:50,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:20:50,585 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993753893] [2019-10-13 21:20:50,585 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:50,585 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:20:50,586 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179796718] [2019-10-13 21:20:50,589 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:20:50,590 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:50,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:20:50,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:20:50,590 INFO L87 Difference]: Start difference. First operand 139 states and 164 transitions. Second operand 3 states. [2019-10-13 21:20:50,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:50,619 INFO L93 Difference]: Finished difference Result 217 states and 255 transitions. [2019-10-13 21:20:50,620 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:20:50,620 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2019-10-13 21:20:50,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:50,622 INFO L225 Difference]: With dead ends: 217 [2019-10-13 21:20:50,623 INFO L226 Difference]: Without dead ends: 130 [2019-10-13 21:20:50,624 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 [2019-10-13 21:20:50,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2019-10-13 21:20:50,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2019-10-13 21:20:50,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2019-10-13 21:20:50,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 152 transitions. [2019-10-13 21:20:50,638 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 152 transitions. Word has length 52 [2019-10-13 21:20:50,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:50,639 INFO L462 AbstractCegarLoop]: Abstraction has 130 states and 152 transitions. [2019-10-13 21:20:50,639 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:20:50,639 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 152 transitions. [2019-10-13 21:20:50,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-10-13 21:20:50,642 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:50,642 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:20:50,642 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:50,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:50,643 INFO L82 PathProgramCache]: Analyzing trace with hash 1399098738, now seen corresponding path program 1 times [2019-10-13 21:20:50,643 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:50,643 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070569720] [2019-10-13 21:20:50,643 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:50,643 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:50,644 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:50,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:50,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:20:50,834 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070569720] [2019-10-13 21:20:50,834 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:50,835 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 21:20:50,835 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124472627] [2019-10-13 21:20:50,835 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 21:20:50,836 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:50,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 21:20:50,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:20:50,836 INFO L87 Difference]: Start difference. First operand 130 states and 152 transitions. Second operand 7 states. [2019-10-13 21:20:51,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:51,408 INFO L93 Difference]: Finished difference Result 385 states and 468 transitions. [2019-10-13 21:20:51,408 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 21:20:51,409 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2019-10-13 21:20:51,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:51,419 INFO L225 Difference]: With dead ends: 385 [2019-10-13 21:20:51,419 INFO L226 Difference]: Without dead ends: 283 [2019-10-13 21:20:51,423 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 [2019-10-13 21:20:51,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2019-10-13 21:20:51,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 275. [2019-10-13 21:20:51,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 275 states. [2019-10-13 21:20:51,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 334 transitions. [2019-10-13 21:20:51,490 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 334 transitions. Word has length 56 [2019-10-13 21:20:51,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:51,490 INFO L462 AbstractCegarLoop]: Abstraction has 275 states and 334 transitions. [2019-10-13 21:20:51,490 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 21:20:51,490 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 334 transitions. [2019-10-13 21:20:51,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-10-13 21:20:51,497 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:51,497 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:20:51,497 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:51,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:51,498 INFO L82 PathProgramCache]: Analyzing trace with hash -1261702676, now seen corresponding path program 1 times [2019-10-13 21:20:51,498 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:51,498 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138176495] [2019-10-13 21:20:51,498 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:51,498 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:51,498 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:51,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:51,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:20:51,631 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138176495] [2019-10-13 21:20:51,632 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:51,632 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 21:20:51,632 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419115543] [2019-10-13 21:20:51,633 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 21:20:51,633 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:51,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 21:20:51,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 21:20:51,634 INFO L87 Difference]: Start difference. First operand 275 states and 334 transitions. Second operand 6 states. [2019-10-13 21:20:51,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:51,879 INFO L93 Difference]: Finished difference Result 751 states and 936 transitions. [2019-10-13 21:20:51,881 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:20:51,882 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2019-10-13 21:20:51,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:51,895 INFO L225 Difference]: With dead ends: 751 [2019-10-13 21:20:51,895 INFO L226 Difference]: Without dead ends: 504 [2019-10-13 21:20:51,900 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-13 21:20:51,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 504 states. [2019-10-13 21:20:51,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 504 to 498. [2019-10-13 21:20:51,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 498 states. [2019-10-13 21:20:51,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 498 states and 608 transitions. [2019-10-13 21:20:51,974 INFO L78 Accepts]: Start accepts. Automaton has 498 states and 608 transitions. Word has length 62 [2019-10-13 21:20:51,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:51,976 INFO L462 AbstractCegarLoop]: Abstraction has 498 states and 608 transitions. [2019-10-13 21:20:51,976 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 21:20:51,976 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 608 transitions. [2019-10-13 21:20:51,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-10-13 21:20:51,980 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:51,981 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:20:51,981 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:51,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:51,981 INFO L82 PathProgramCache]: Analyzing trace with hash -1700300984, now seen corresponding path program 1 times [2019-10-13 21:20:51,982 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:51,982 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038616481] [2019-10-13 21:20:51,982 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:51,982 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:51,983 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:52,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:52,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:20:52,105 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038616481] [2019-10-13 21:20:52,105 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:52,105 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 21:20:52,106 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859798576] [2019-10-13 21:20:52,106 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 21:20:52,106 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:52,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 21:20:52,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:20:52,107 INFO L87 Difference]: Start difference. First operand 498 states and 608 transitions. Second operand 7 states. [2019-10-13 21:20:52,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:52,860 INFO L93 Difference]: Finished difference Result 1285 states and 1690 transitions. [2019-10-13 21:20:52,862 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-13 21:20:52,862 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 66 [2019-10-13 21:20:52,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:52,868 INFO L225 Difference]: With dead ends: 1285 [2019-10-13 21:20:52,868 INFO L226 Difference]: Without dead ends: 815 [2019-10-13 21:20:52,871 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 [2019-10-13 21:20:52,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 815 states. [2019-10-13 21:20:52,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 815 to 719. [2019-10-13 21:20:52,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 719 states. [2019-10-13 21:20:52,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 719 states and 875 transitions. [2019-10-13 21:20:52,931 INFO L78 Accepts]: Start accepts. Automaton has 719 states and 875 transitions. Word has length 66 [2019-10-13 21:20:52,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:52,931 INFO L462 AbstractCegarLoop]: Abstraction has 719 states and 875 transitions. [2019-10-13 21:20:52,931 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 21:20:52,932 INFO L276 IsEmpty]: Start isEmpty. Operand 719 states and 875 transitions. [2019-10-13 21:20:52,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-10-13 21:20:52,934 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:52,934 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:20:52,934 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:52,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:52,935 INFO L82 PathProgramCache]: Analyzing trace with hash -1342584408, now seen corresponding path program 1 times [2019-10-13 21:20:52,935 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:52,935 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774082595] [2019-10-13 21:20:52,936 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:52,936 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:52,936 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:52,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:53,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:20:53,050 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774082595] [2019-10-13 21:20:53,051 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:53,051 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 21:20:53,051 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898404201] [2019-10-13 21:20:53,052 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 21:20:53,052 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:53,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 21:20:53,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 21:20:53,053 INFO L87 Difference]: Start difference. First operand 719 states and 875 transitions. Second operand 6 states. [2019-10-13 21:20:53,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:53,121 INFO L93 Difference]: Finished difference Result 1430 states and 1772 transitions. [2019-10-13 21:20:53,121 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 21:20:53,121 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 88 [2019-10-13 21:20:53,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:53,126 INFO L225 Difference]: With dead ends: 1430 [2019-10-13 21:20:53,127 INFO L226 Difference]: Without dead ends: 739 [2019-10-13 21:20:53,129 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 [2019-10-13 21:20:53,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 739 states. [2019-10-13 21:20:53,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 739 to 739. [2019-10-13 21:20:53,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 739 states. [2019-10-13 21:20:53,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 739 states and 895 transitions. [2019-10-13 21:20:53,174 INFO L78 Accepts]: Start accepts. Automaton has 739 states and 895 transitions. Word has length 88 [2019-10-13 21:20:53,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:53,175 INFO L462 AbstractCegarLoop]: Abstraction has 739 states and 895 transitions. [2019-10-13 21:20:53,175 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 21:20:53,175 INFO L276 IsEmpty]: Start isEmpty. Operand 739 states and 895 transitions. [2019-10-13 21:20:53,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-10-13 21:20:53,177 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:53,178 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:20:53,178 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:53,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:53,178 INFO L82 PathProgramCache]: Analyzing trace with hash -640984534, now seen corresponding path program 1 times [2019-10-13 21:20:53,179 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:53,179 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753222343] [2019-10-13 21:20:53,179 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:53,179 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:53,179 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:53,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:53,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:20:53,327 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753222343] [2019-10-13 21:20:53,327 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:53,327 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-13 21:20:53,327 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511266728] [2019-10-13 21:20:53,328 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 21:20:53,328 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:53,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 21:20:53,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:20:53,329 INFO L87 Difference]: Start difference. First operand 739 states and 895 transitions. Second operand 8 states. [2019-10-13 21:20:53,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:53,395 INFO L93 Difference]: Finished difference Result 1478 states and 1850 transitions. [2019-10-13 21:20:53,396 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:20:53,396 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 88 [2019-10-13 21:20:53,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:53,402 INFO L225 Difference]: With dead ends: 1478 [2019-10-13 21:20:53,402 INFO L226 Difference]: Without dead ends: 767 [2019-10-13 21:20:53,405 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 [2019-10-13 21:20:53,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 767 states. [2019-10-13 21:20:53,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 767 to 755. [2019-10-13 21:20:53,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 755 states. [2019-10-13 21:20:53,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 755 states and 911 transitions. [2019-10-13 21:20:53,453 INFO L78 Accepts]: Start accepts. Automaton has 755 states and 911 transitions. Word has length 88 [2019-10-13 21:20:53,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:53,460 INFO L462 AbstractCegarLoop]: Abstraction has 755 states and 911 transitions. [2019-10-13 21:20:53,460 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 21:20:53,461 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states and 911 transitions. [2019-10-13 21:20:53,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-10-13 21:20:53,466 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:53,467 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:20:53,468 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:53,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:53,468 INFO L82 PathProgramCache]: Analyzing trace with hash 1084496363, now seen corresponding path program 1 times [2019-10-13 21:20:53,469 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:53,469 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107366047] [2019-10-13 21:20:53,469 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:53,469 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:53,469 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:53,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:53,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:20:53,578 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107366047] [2019-10-13 21:20:53,578 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:53,578 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 21:20:53,578 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121651190] [2019-10-13 21:20:53,579 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 21:20:53,579 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:53,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 21:20:53,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 21:20:53,580 INFO L87 Difference]: Start difference. First operand 755 states and 911 transitions. Second operand 4 states. [2019-10-13 21:20:53,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:53,908 INFO L93 Difference]: Finished difference Result 2445 states and 3098 transitions. [2019-10-13 21:20:53,909 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-13 21:20:53,909 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 88 [2019-10-13 21:20:53,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:53,921 INFO L225 Difference]: With dead ends: 2445 [2019-10-13 21:20:53,921 INFO L226 Difference]: Without dead ends: 1718 [2019-10-13 21:20:53,924 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 [2019-10-13 21:20:53,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1718 states. [2019-10-13 21:20:54,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1718 to 1687. [2019-10-13 21:20:54,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1687 states. [2019-10-13 21:20:54,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1687 states to 1687 states and 2087 transitions. [2019-10-13 21:20:54,045 INFO L78 Accepts]: Start accepts. Automaton has 1687 states and 2087 transitions. Word has length 88 [2019-10-13 21:20:54,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:54,046 INFO L462 AbstractCegarLoop]: Abstraction has 1687 states and 2087 transitions. [2019-10-13 21:20:54,046 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 21:20:54,046 INFO L276 IsEmpty]: Start isEmpty. Operand 1687 states and 2087 transitions. [2019-10-13 21:20:54,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2019-10-13 21:20:54,049 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:54,049 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:20:54,050 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:54,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:54,050 INFO L82 PathProgramCache]: Analyzing trace with hash 269339525, now seen corresponding path program 1 times [2019-10-13 21:20:54,050 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:54,051 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540217199] [2019-10-13 21:20:54,051 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:54,051 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:54,051 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:54,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:54,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:20:54,154 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540217199] [2019-10-13 21:20:54,154 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:54,154 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:20:54,156 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699650376] [2019-10-13 21:20:54,157 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:20:54,157 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:54,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:20:54,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:20:54,158 INFO L87 Difference]: Start difference. First operand 1687 states and 2087 transitions. Second operand 3 states. [2019-10-13 21:20:54,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:54,275 INFO L93 Difference]: Finished difference Result 2686 states and 3425 transitions. [2019-10-13 21:20:54,276 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:20:54,276 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 92 [2019-10-13 21:20:54,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:54,292 INFO L225 Difference]: With dead ends: 2686 [2019-10-13 21:20:54,292 INFO L226 Difference]: Without dead ends: 2683 [2019-10-13 21:20:54,294 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:20:54,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2683 states. [2019-10-13 21:20:54,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2683 to 2497. [2019-10-13 21:20:54,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2497 states. [2019-10-13 21:20:54,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2497 states to 2497 states and 3197 transitions. [2019-10-13 21:20:54,465 INFO L78 Accepts]: Start accepts. Automaton has 2497 states and 3197 transitions. Word has length 92 [2019-10-13 21:20:54,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:54,465 INFO L462 AbstractCegarLoop]: Abstraction has 2497 states and 3197 transitions. [2019-10-13 21:20:54,466 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:20:54,466 INFO L276 IsEmpty]: Start isEmpty. Operand 2497 states and 3197 transitions. [2019-10-13 21:20:54,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2019-10-13 21:20:54,479 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:54,480 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-10-13 21:20:54,480 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:54,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:54,481 INFO L82 PathProgramCache]: Analyzing trace with hash -773515142, now seen corresponding path program 1 times [2019-10-13 21:20:54,481 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:54,481 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340552508] [2019-10-13 21:20:54,481 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:54,481 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:54,481 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:54,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:54,585 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 25 proven. 14 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-10-13 21:20:54,586 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340552508] [2019-10-13 21:20:54,586 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [31718649] [2019-10-13 21:20:54,586 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 [2019-10-13 21:20:54,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:54,936 INFO L256 TraceCheckSpWp]: Trace formula consists of 925 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-13 21:20:54,948 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:20:55,009 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:20:55,009 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:20:55,282 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 25 proven. 14 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-10-13 21:20:55,283 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-13 21:20:55,283 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 7 [2019-10-13 21:20:55,284 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30158021] [2019-10-13 21:20:55,285 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 21:20:55,291 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:55,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 21:20:55,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:20:55,292 INFO L87 Difference]: Start difference. First operand 2497 states and 3197 transitions. Second operand 5 states. [2019-10-13 21:20:56,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:56,213 INFO L93 Difference]: Finished difference Result 5597 states and 7629 transitions. [2019-10-13 21:20:56,213 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:20:56,213 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 154 [2019-10-13 21:20:56,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:56,258 INFO L225 Difference]: With dead ends: 5597 [2019-10-13 21:20:56,258 INFO L226 Difference]: Without dead ends: 3444 [2019-10-13 21:20:56,268 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 318 GetRequests, 308 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2019-10-13 21:20:56,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3444 states. [2019-10-13 21:20:56,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3444 to 3221. [2019-10-13 21:20:56,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3221 states. [2019-10-13 21:20:56,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3221 states to 3221 states and 4278 transitions. [2019-10-13 21:20:56,659 INFO L78 Accepts]: Start accepts. Automaton has 3221 states and 4278 transitions. Word has length 154 [2019-10-13 21:20:56,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:56,660 INFO L462 AbstractCegarLoop]: Abstraction has 3221 states and 4278 transitions. [2019-10-13 21:20:56,660 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 21:20:56,660 INFO L276 IsEmpty]: Start isEmpty. Operand 3221 states and 4278 transitions. [2019-10-13 21:20:56,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2019-10-13 21:20:56,676 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:56,676 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-10-13 21:20:56,878 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:20:56,879 INFO L410 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:56,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:56,879 INFO L82 PathProgramCache]: Analyzing trace with hash -1001825696, now seen corresponding path program 1 times [2019-10-13 21:20:56,879 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:56,880 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477716628] [2019-10-13 21:20:56,880 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:56,880 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:56,880 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:56,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:57,013 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 21 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-10-13 21:20:57,014 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477716628] [2019-10-13 21:20:57,014 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [235075317] [2019-10-13 21:20:57,014 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:20:57,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:57,359 INFO L256 TraceCheckSpWp]: Trace formula consists of 916 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-13 21:20:57,366 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:20:57,426 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:20:57,426 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:20:57,639 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 21 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-10-13 21:20:57,640 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-13 21:20:57,640 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 3] total 8 [2019-10-13 21:20:57,640 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716527981] [2019-10-13 21:20:57,642 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:20:57,642 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:57,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:20:57,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:20:57,643 INFO L87 Difference]: Start difference. First operand 3221 states and 4278 transitions. Second operand 3 states. [2019-10-13 21:20:57,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:57,849 INFO L93 Difference]: Finished difference Result 5811 states and 7873 transitions. [2019-10-13 21:20:57,850 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:20:57,850 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 150 [2019-10-13 21:20:57,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:57,870 INFO L225 Difference]: With dead ends: 5811 [2019-10-13 21:20:57,870 INFO L226 Difference]: Without dead ends: 2946 [2019-10-13 21:20:57,885 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 308 GetRequests, 300 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:20:57,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2946 states. [2019-10-13 21:20:58,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2946 to 2626. [2019-10-13 21:20:58,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2626 states. [2019-10-13 21:20:58,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2626 states to 2626 states and 3154 transitions. [2019-10-13 21:20:58,054 INFO L78 Accepts]: Start accepts. Automaton has 2626 states and 3154 transitions. Word has length 150 [2019-10-13 21:20:58,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:58,056 INFO L462 AbstractCegarLoop]: Abstraction has 2626 states and 3154 transitions. [2019-10-13 21:20:58,056 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:20:58,056 INFO L276 IsEmpty]: Start isEmpty. Operand 2626 states and 3154 transitions. [2019-10-13 21:20:58,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2019-10-13 21:20:58,066 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:58,066 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:20:58,272 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:20:58,272 INFO L410 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:58,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:58,273 INFO L82 PathProgramCache]: Analyzing trace with hash 1748914254, now seen corresponding path program 1 times [2019-10-13 21:20:58,273 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:58,273 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221588712] [2019-10-13 21:20:58,273 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:58,273 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:58,274 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:58,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:58,541 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 21 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-10-13 21:20:58,541 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221588712] [2019-10-13 21:20:58,542 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1463683517] [2019-10-13 21:20:58,542 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:20:58,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:58,823 INFO L256 TraceCheckSpWp]: Trace formula consists of 917 conjuncts, 15 conjunts are in the unsatisfiable core [2019-10-13 21:20:58,828 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:20:58,947 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:20:58,948 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:20:59,057 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 21:20:59,080 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 21:20:59,082 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 21:20:59,278 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 21 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-10-13 21:20:59,278 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-13 21:20:59,279 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [10, 10] total 17 [2019-10-13 21:20:59,279 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176276473] [2019-10-13 21:20:59,279 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 21:20:59,280 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:59,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 21:20:59,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2019-10-13 21:20:59,280 INFO L87 Difference]: Start difference. First operand 2626 states and 3154 transitions. Second operand 9 states. [2019-10-13 21:21:00,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:00,942 INFO L93 Difference]: Finished difference Result 6770 states and 8941 transitions. [2019-10-13 21:21:00,942 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-10-13 21:21:00,943 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 152 [2019-10-13 21:21:00,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:00,972 INFO L225 Difference]: With dead ends: 6770 [2019-10-13 21:21:00,972 INFO L226 Difference]: Without dead ends: 4500 [2019-10-13 21:21:00,982 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 325 GetRequests, 300 SyntacticMatches, 3 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=134, Invalid=418, Unknown=0, NotChecked=0, Total=552 [2019-10-13 21:21:00,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4500 states. [2019-10-13 21:21:01,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4500 to 3571. [2019-10-13 21:21:01,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3571 states. [2019-10-13 21:21:01,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3571 states to 3571 states and 4324 transitions. [2019-10-13 21:21:01,239 INFO L78 Accepts]: Start accepts. Automaton has 3571 states and 4324 transitions. Word has length 152 [2019-10-13 21:21:01,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:01,240 INFO L462 AbstractCegarLoop]: Abstraction has 3571 states and 4324 transitions. [2019-10-13 21:21:01,240 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 21:21:01,240 INFO L276 IsEmpty]: Start isEmpty. Operand 3571 states and 4324 transitions. [2019-10-13 21:21:01,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2019-10-13 21:21:01,247 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:01,247 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:21:01,453 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:21:01,453 INFO L410 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:01,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:01,454 INFO L82 PathProgramCache]: Analyzing trace with hash 1676527696, now seen corresponding path program 1 times [2019-10-13 21:21:01,454 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:01,454 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565711459] [2019-10-13 21:21:01,455 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:01,455 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:01,455 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:01,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:01,588 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-10-13 21:21:01,589 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565711459] [2019-10-13 21:21:01,589 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:01,589 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-13 21:21:01,589 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707313138] [2019-10-13 21:21:01,592 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 21:21:01,592 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:01,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 21:21:01,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-10-13 21:21:01,593 INFO L87 Difference]: Start difference. First operand 3571 states and 4324 transitions. Second operand 9 states. [2019-10-13 21:21:01,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:01,720 INFO L93 Difference]: Finished difference Result 4729 states and 5699 transitions. [2019-10-13 21:21:01,720 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-13 21:21:01,720 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 152 [2019-10-13 21:21:01,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:01,730 INFO L225 Difference]: With dead ends: 4729 [2019-10-13 21:21:01,730 INFO L226 Difference]: Without dead ends: 1622 [2019-10-13 21:21:01,739 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-10-13 21:21:01,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1622 states. [2019-10-13 21:21:01,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1622 to 1564. [2019-10-13 21:21:01,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1564 states. [2019-10-13 21:21:01,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1564 states to 1564 states and 1828 transitions. [2019-10-13 21:21:01,878 INFO L78 Accepts]: Start accepts. Automaton has 1564 states and 1828 transitions. Word has length 152 [2019-10-13 21:21:01,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:01,881 INFO L462 AbstractCegarLoop]: Abstraction has 1564 states and 1828 transitions. [2019-10-13 21:21:01,882 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 21:21:01,882 INFO L276 IsEmpty]: Start isEmpty. Operand 1564 states and 1828 transitions. [2019-10-13 21:21:01,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2019-10-13 21:21:01,887 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:01,887 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-10-13 21:21:01,887 INFO L410 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:01,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:01,888 INFO L82 PathProgramCache]: Analyzing trace with hash -619870851, now seen corresponding path program 1 times [2019-10-13 21:21:01,888 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:01,888 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141662024] [2019-10-13 21:21:01,888 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:01,888 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:01,889 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:01,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:02,011 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2019-10-13 21:21:02,011 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141662024] [2019-10-13 21:21:02,012 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:02,012 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:21:02,012 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306484979] [2019-10-13 21:21:02,013 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:21:02,014 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:02,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:21:02,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:21:02,014 INFO L87 Difference]: Start difference. First operand 1564 states and 1828 transitions. Second operand 3 states. [2019-10-13 21:21:02,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:02,137 INFO L93 Difference]: Finished difference Result 1930 states and 2282 transitions. [2019-10-13 21:21:02,137 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:21:02,137 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 160 [2019-10-13 21:21:02,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:02,138 INFO L225 Difference]: With dead ends: 1930 [2019-10-13 21:21:02,139 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 21:21:02,144 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 [2019-10-13 21:21:02,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 21:21:02,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 21:21:02,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 21:21:02,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 21:21:02,146 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 160 [2019-10-13 21:21:02,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:02,147 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 21:21:02,147 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:21:02,147 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 21:21:02,147 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 21:21:02,155 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 21:21:02,618 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 43 [2019-10-13 21:21:03,609 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 73 [2019-10-13 21:21:04,193 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 31 [2019-10-13 21:21:04,619 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 35 [2019-10-13 21:21:04,889 WARN L191 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 40 [2019-10-13 21:21:05,122 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 38 [2019-10-13 21:21:05,408 WARN L191 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 49 [2019-10-13 21:21:05,646 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 34 [2019-10-13 21:21:06,303 WARN L191 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 52 [2019-10-13 21:21:06,706 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 31 [2019-10-13 21:21:06,873 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 20 [2019-10-13 21:21:07,137 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 27 [2019-10-13 21:21:07,542 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 28 [2019-10-13 21:21:08,016 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 41 [2019-10-13 21:21:08,302 WARN L191 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 34 [2019-10-13 21:21:08,536 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 48 [2019-10-13 21:21:08,653 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 22 [2019-10-13 21:21:08,905 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 31 [2019-10-13 21:21:09,054 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 36 [2019-10-13 21:21:09,218 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 27 [2019-10-13 21:21:09,333 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 35 [2019-10-13 21:21:09,336 INFO L443 ceAbstractionStarter]: For program point L705(lines 705 709) no Hoare annotation was computed. [2019-10-13 21:21:09,336 INFO L443 ceAbstractionStarter]: For program point L705-1(lines 705 709) no Hoare annotation was computed. [2019-10-13 21:21:09,336 INFO L443 ceAbstractionStarter]: For program point L700(line 700) no Hoare annotation was computed. [2019-10-13 21:21:09,336 INFO L443 ceAbstractionStarter]: For program point L699-2(lines 699 720) no Hoare annotation was computed. [2019-10-13 21:21:09,336 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 674 729) no Hoare annotation was computed. [2019-10-13 21:21:09,336 INFO L443 ceAbstractionStarter]: For program point L721(lines 698 722) no Hoare annotation was computed. [2019-10-13 21:21:09,336 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 674 729) no Hoare annotation was computed. [2019-10-13 21:21:09,336 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 674 729) no Hoare annotation was computed. [2019-10-13 21:21:09,336 INFO L443 ceAbstractionStarter]: For program point L762(lines 762 766) no Hoare annotation was computed. [2019-10-13 21:21:09,337 INFO L443 ceAbstractionStarter]: For program point L762-1(lines 762 766) no Hoare annotation was computed. [2019-10-13 21:21:09,337 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 730 789) no Hoare annotation was computed. [2019-10-13 21:21:09,337 INFO L443 ceAbstractionStarter]: For program point L757(line 757) no Hoare annotation was computed. [2019-10-13 21:21:09,337 INFO L443 ceAbstractionStarter]: For program point L756-2(lines 756 781) no Hoare annotation was computed. [2019-10-13 21:21:09,337 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 730 789) no Hoare annotation was computed. [2019-10-13 21:21:09,337 INFO L443 ceAbstractionStarter]: For program point L782(lines 755 783) no Hoare annotation was computed. [2019-10-13 21:21:09,337 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 730 789) no Hoare annotation was computed. [2019-10-13 21:21:09,337 INFO L443 ceAbstractionStarter]: For program point L775(line 775) no Hoare annotation was computed. [2019-10-13 21:21:09,337 INFO L443 ceAbstractionStarter]: For program point L775-1(line 775) no Hoare annotation was computed. [2019-10-13 21:21:09,337 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 395 401) the Hoare annotation is: true [2019-10-13 21:21:09,338 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 395 401) no Hoare annotation was computed. [2019-10-13 21:21:09,338 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 402 410) no Hoare annotation was computed. [2019-10-13 21:21:09,338 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 402 410) the Hoare annotation is: true [2019-10-13 21:21:09,338 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 402 410) no Hoare annotation was computed. [2019-10-13 21:21:09,338 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 589 611) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:21:09,338 INFO L439 ceAbstractionStarter]: At program point L601(line 601) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= main_~tmp~6 ~systemActive~0) (= ~pumpRunning~0 0) (= main_~tmp~6 1) (= 0 ~methAndRunningLastTime~0))) [2019-10-13 21:21:09,338 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 589 611) no Hoare annotation was computed. [2019-10-13 21:21:09,339 INFO L439 ceAbstractionStarter]: At program point L601-1(line 601) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= main_~tmp~6 ~systemActive~0) (= ~pumpRunning~0 0) (= main_~tmp~6 1) (= 0 ~methAndRunningLastTime~0))) [2019-10-13 21:21:09,339 INFO L443 ceAbstractionStarter]: For program point L599(lines 599 606) no Hoare annotation was computed. [2019-10-13 21:21:09,339 INFO L443 ceAbstractionStarter]: For program point L599-1(lines 599 606) no Hoare annotation was computed. [2019-10-13 21:21:09,339 INFO L443 ceAbstractionStarter]: For program point L597(line 597) no Hoare annotation was computed. [2019-10-13 21:21:09,339 INFO L439 ceAbstractionStarter]: At program point L596(line 596) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:21:09,340 INFO L439 ceAbstractionStarter]: At program point L595(line 595) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:21:09,340 INFO L439 ceAbstractionStarter]: At program point L595-1(line 595) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:21:09,340 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 589 611) no Hoare annotation was computed. [2019-10-13 21:21:09,340 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 547 570) no Hoare annotation was computed. [2019-10-13 21:21:09,340 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 547 570) no Hoare annotation was computed. [2019-10-13 21:21:09,340 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 547 570) no Hoare annotation was computed. [2019-10-13 21:21:09,340 INFO L443 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2019-10-13 21:21:09,340 INFO L443 ceAbstractionStarter]: For program point L564(line 564) no Hoare annotation was computed. [2019-10-13 21:21:09,341 INFO L443 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2019-10-13 21:21:09,341 INFO L443 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2019-10-13 21:21:09,341 INFO L443 ceAbstractionStarter]: For program point L561(line 561) no Hoare annotation was computed. [2019-10-13 21:21:09,341 INFO L443 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2019-10-13 21:21:09,341 INFO L443 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2019-10-13 21:21:09,341 INFO L443 ceAbstractionStarter]: For program point L558(line 558) no Hoare annotation was computed. [2019-10-13 21:21:09,341 INFO L443 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2019-10-13 21:21:09,341 INFO L443 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2019-10-13 21:21:09,341 INFO L443 ceAbstractionStarter]: For program point L555(line 555) no Hoare annotation was computed. [2019-10-13 21:21:09,342 INFO L443 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2019-10-13 21:21:09,342 INFO L443 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2019-10-13 21:21:09,342 INFO L443 ceAbstractionStarter]: For program point L552(line 552) no Hoare annotation was computed. [2019-10-13 21:21:09,342 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 318 332) no Hoare annotation was computed. [2019-10-13 21:21:09,342 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 318 332) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (= |old(~systemActive~0)| 0)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (<= 1 ~waterLevel~0))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 (not .cse1) .cse2 .cse3 .cse4) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not .cse0)) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse1 (not (<= 2 ~waterLevel~0)))) (or .cse2 .cse3 (= ~pumpRunning~0 0) .cse4))) [2019-10-13 21:21:09,342 INFO L443 ceAbstractionStarter]: For program point stopSystemFINAL(lines 318 332) no Hoare annotation was computed. [2019-10-13 21:21:09,343 INFO L439 ceAbstractionStarter]: At program point L324(line 324) the Hoare annotation is: (and (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0))) (or (not (<= 1 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (<= 2 ~waterLevel~0)))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~waterLevel~0)) (not (= ~methAndRunningLastTime~0 0)))) [2019-10-13 21:21:09,343 INFO L443 ceAbstractionStarter]: For program point L322(lines 322 328) no Hoare annotation was computed. [2019-10-13 21:21:09,343 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 235 243) no Hoare annotation was computed. [2019-10-13 21:21:09,343 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 235 243) the Hoare annotation is: true [2019-10-13 21:21:09,343 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 235 243) no Hoare annotation was computed. [2019-10-13 21:21:09,343 INFO L443 ceAbstractionStarter]: For program point L306-1(line 306) no Hoare annotation was computed. [2019-10-13 21:21:09,343 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 299 317) the Hoare annotation is: true [2019-10-13 21:21:09,343 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 299 317) no Hoare annotation was computed. [2019-10-13 21:21:09,343 INFO L443 ceAbstractionStarter]: For program point L308(lines 308 312) no Hoare annotation was computed. [2019-10-13 21:21:09,344 INFO L446 ceAbstractionStarter]: At program point L306(line 306) the Hoare annotation is: true [2019-10-13 21:21:09,344 INFO L443 ceAbstractionStarter]: For program point L308-2(lines 308 312) no Hoare annotation was computed. [2019-10-13 21:21:09,344 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 299 317) no Hoare annotation was computed. [2019-10-13 21:21:09,344 INFO L443 ceAbstractionStarter]: For program point L251(lines 251 259) no Hoare annotation was computed. [2019-10-13 21:21:09,344 INFO L443 ceAbstractionStarter]: For program point L251-2(lines 251 259) no Hoare annotation was computed. [2019-10-13 21:21:09,344 INFO L443 ceAbstractionStarter]: For program point L274(line 274) no Hoare annotation was computed. [2019-10-13 21:21:09,344 INFO L443 ceAbstractionStarter]: For program point L274-1(line 274) no Hoare annotation was computed. [2019-10-13 21:21:09,344 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 244 279) no Hoare annotation was computed. [2019-10-13 21:21:09,344 INFO L443 ceAbstractionStarter]: For program point L263(lines 263 271) no Hoare annotation was computed. [2019-10-13 21:21:09,345 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 244 279) no Hoare annotation was computed. [2019-10-13 21:21:09,345 INFO L443 ceAbstractionStarter]: For program point L263-2(lines 263 271) no Hoare annotation was computed. [2019-10-13 21:21:09,345 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 244 279) no Hoare annotation was computed. [2019-10-13 21:21:09,345 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 388 394) no Hoare annotation was computed. [2019-10-13 21:21:09,345 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 388 394) the Hoare annotation is: true [2019-10-13 21:21:09,345 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 628 673) no Hoare annotation was computed. [2019-10-13 21:21:09,345 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 628 673) no Hoare annotation was computed. [2019-10-13 21:21:09,345 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 628 673) no Hoare annotation was computed. [2019-10-13 21:21:09,346 INFO L443 ceAbstractionStarter]: For program point L961(lines 961 968) no Hoare annotation was computed. [2019-10-13 21:21:09,346 INFO L443 ceAbstractionStarter]: For program point L955(lines 955 975) no Hoare annotation was computed. [2019-10-13 21:21:09,346 INFO L443 ceAbstractionStarter]: For program point L955-1(lines 955 975) no Hoare annotation was computed. [2019-10-13 21:21:09,346 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 941 986) no Hoare annotation was computed. [2019-10-13 21:21:09,346 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 941 986) no Hoare annotation was computed. [2019-10-13 21:21:09,346 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 941 986) no Hoare annotation was computed. [2019-10-13 21:21:09,346 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 578 588) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:21:09,346 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 578 588) no Hoare annotation was computed. [2019-10-13 21:21:09,347 INFO L439 ceAbstractionStarter]: At program point L583(line 583) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:21:09,347 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 578 588) no Hoare annotation was computed. [2019-10-13 21:21:09,347 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 224 234) no Hoare annotation was computed. [2019-10-13 21:21:09,347 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 224 234) no Hoare annotation was computed. [2019-10-13 21:21:09,347 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 224 234) no Hoare annotation was computed. [2019-10-13 21:21:09,347 INFO L443 ceAbstractionStarter]: For program point L229(line 229) no Hoare annotation was computed. [2019-10-13 21:21:09,347 INFO L443 ceAbstractionStarter]: For program point L229-1(line 229) no Hoare annotation was computed. [2019-10-13 21:21:09,347 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 216 223) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 (or .cse1 (= ~systemActive~0 0) (not (<= 2 ~waterLevel~0)))) (or (or .cse1 (not (<= 1 ~waterLevel~0)) (not (= ~systemActive~0 1))) .cse0))) [2019-10-13 21:21:09,348 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 216 223) no Hoare annotation was computed. [2019-10-13 21:21:09,348 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 216 223) no Hoare annotation was computed. [2019-10-13 21:21:09,348 INFO L443 ceAbstractionStarter]: For program point L496(lines 496 502) no Hoare annotation was computed. [2019-10-13 21:21:09,348 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 492 505) no Hoare annotation was computed. [2019-10-13 21:21:09,348 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 492 505) the Hoare annotation is: true [2019-10-13 21:21:09,348 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 492 505) no Hoare annotation was computed. [2019-10-13 21:21:09,348 INFO L439 ceAbstractionStarter]: At program point L193(line 193) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1 .cse2) (or (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= 1 ~waterLevel~0)) .cse1) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 1 processEnvironment_~tmp~2))) (or .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2))) [2019-10-13 21:21:09,348 INFO L443 ceAbstractionStarter]: For program point L191(lines 191 199) no Hoare annotation was computed. [2019-10-13 21:21:09,349 INFO L439 ceAbstractionStarter]: At program point L189(line 189) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1 .cse2) (or (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= 1 ~waterLevel~0)) .cse1) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (or .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2))) [2019-10-13 21:21:09,349 INFO L443 ceAbstractionStarter]: For program point L189-1(line 189) no Hoare annotation was computed. [2019-10-13 21:21:09,349 INFO L443 ceAbstractionStarter]: For program point L187(lines 187 204) no Hoare annotation was computed. [2019-10-13 21:21:09,349 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 183 207) no Hoare annotation was computed. [2019-10-13 21:21:09,349 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 183 207) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1 (= ~pumpRunning~0 0) (not (= ~methAndRunningLastTime~0 0))))) [2019-10-13 21:21:09,349 INFO L439 ceAbstractionStarter]: At program point L202(line 202) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1 (= ~pumpRunning~0 0) (not (= ~methAndRunningLastTime~0 0))))) [2019-10-13 21:21:09,350 INFO L443 ceAbstractionStarter]: For program point L202-1(lines 183 207) no Hoare annotation was computed. [2019-10-13 21:21:09,350 INFO L439 ceAbstractionStarter]: At program point L197(line 197) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1 .cse2) (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= 1 ~waterLevel~0)) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2))) [2019-10-13 21:21:09,350 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 149 155) no Hoare annotation was computed. [2019-10-13 21:21:09,350 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 149 155) the Hoare annotation is: true [2019-10-13 21:21:09,350 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 45 110) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:21:09,350 INFO L439 ceAbstractionStarter]: At program point L93(line 93) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse0 (not (= 0 ~systemActive~0))) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse0 (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-13 21:21:09,350 INFO L443 ceAbstractionStarter]: For program point L91(lines 91 97) no Hoare annotation was computed. [2019-10-13 21:21:09,351 INFO L439 ceAbstractionStarter]: At program point L91-1(lines 85 98) the Hoare annotation is: (let ((.cse5 (= 1 ~systemActive~0)) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse6 (<= 2 ~waterLevel~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (<= 1 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse4 (= 0 ~systemActive~0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse5 (<= 1 ~pumpRunning~0) .cse6 .cse0) (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 .cse0 .cse2 .cse3 (<= |old(~waterLevel~0)| ~waterLevel~0)) (and .cse6 .cse0 .cse2 .cse4) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1 .cse2 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-13 21:21:09,351 INFO L443 ceAbstractionStarter]: For program point L56(lines 55 102) no Hoare annotation was computed. [2019-10-13 21:21:09,351 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 45 110) no Hoare annotation was computed. [2019-10-13 21:21:09,351 INFO L443 ceAbstractionStarter]: For program point L85(lines 85 98) no Hoare annotation was computed. [2019-10-13 21:21:09,351 INFO L439 ceAbstractionStarter]: At program point L77(line 77) the Hoare annotation is: (let ((.cse2 (<= 1 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse1 .cse2 .cse3 .cse4 (= 0 ~systemActive~0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse0 (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-13 21:21:09,351 INFO L443 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2019-10-13 21:21:09,351 INFO L443 ceAbstractionStarter]: For program point L75-1(lines 75 81) no Hoare annotation was computed. [2019-10-13 21:21:09,351 INFO L439 ceAbstractionStarter]: At program point L100(lines 55 102) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse2 (<= 1 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse1) (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse1 .cse2 .cse3 .cse4 (= 0 ~systemActive~0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-13 21:21:09,352 INFO L439 ceAbstractionStarter]: At program point L67(line 67) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (and .cse0 .cse1 (<= 1 ~waterLevel~0) .cse2 .cse3) (and .cse1 .cse2 .cse3 (<= |old(~waterLevel~0)| ~waterLevel~0) (= 0 ~systemActive~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse0 (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-13 21:21:09,352 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 71) no Hoare annotation was computed. [2019-10-13 21:21:09,352 INFO L443 ceAbstractionStarter]: For program point L65-1(lines 65 71) no Hoare annotation was computed. [2019-10-13 21:21:09,352 INFO L443 ceAbstractionStarter]: For program point L57(lines 57 61) no Hoare annotation was computed. [2019-10-13 21:21:09,352 INFO L439 ceAbstractionStarter]: At program point L103(lines 54 104) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:21:09,352 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 45 110) no Hoare annotation was computed. [2019-10-13 21:21:09,352 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 895 940) no Hoare annotation was computed. [2019-10-13 21:21:09,353 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 895 940) no Hoare annotation was computed. [2019-10-13 21:21:09,353 INFO L443 ceAbstractionStarter]: For program point L915(lines 915 922) no Hoare annotation was computed. [2019-10-13 21:21:09,353 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 895 940) no Hoare annotation was computed. [2019-10-13 21:21:09,353 INFO L443 ceAbstractionStarter]: For program point L909(lines 909 929) no Hoare annotation was computed. [2019-10-13 21:21:09,353 INFO L443 ceAbstractionStarter]: For program point L909-1(lines 909 929) no Hoare annotation was computed. [2019-10-13 21:21:09,353 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 506 514) no Hoare annotation was computed. [2019-10-13 21:21:09,353 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 506 514) the Hoare annotation is: true [2019-10-13 21:21:09,353 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 506 514) no Hoare annotation was computed. [2019-10-13 21:21:09,353 INFO L443 ceAbstractionStarter]: For program point L354-1(line 354) no Hoare annotation was computed. [2019-10-13 21:21:09,354 INFO L443 ceAbstractionStarter]: For program point L352(lines 352 369) no Hoare annotation was computed. [2019-10-13 21:21:09,354 INFO L443 ceAbstractionStarter]: For program point L352-1(lines 344 372) no Hoare annotation was computed. [2019-10-13 21:21:09,354 INFO L439 ceAbstractionStarter]: At program point L350(line 350) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~waterLevel~0 1))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse4 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 (not (= ~systemActive~0 0)) .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse1 .cse2 .cse3) (or (not (<= 1 ~pumpRunning~0)) .cse1 (not (<= 2 ~waterLevel~0)) .cse4 .cse3))) [2019-10-13 21:21:09,354 INFO L443 ceAbstractionStarter]: For program point L350-1(line 350) no Hoare annotation was computed. [2019-10-13 21:21:09,354 INFO L439 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 344 372) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~waterLevel~0 1))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse4 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 (not (= ~systemActive~0 0)) .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse1 .cse2 .cse3) (or (not (<= 1 ~pumpRunning~0)) .cse1 (not (<= 2 ~waterLevel~0)) .cse4 .cse3))) [2019-10-13 21:21:09,354 INFO L439 ceAbstractionStarter]: At program point L359(line 359) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~pumpRunning~0))) (.cse1 (not (<= 2 ~waterLevel~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse3 (not (<= 1 ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (or .cse3 (or .cse4 .cse2)) (or .cse0 .cse1 (or .cse2 (not (= ~methaneLevelCritical~0 0)))) (or .cse4 (not (= ~systemActive~0 0)) .cse3))) [2019-10-13 21:21:09,355 INFO L443 ceAbstractionStarter]: For program point L357(lines 357 363) no Hoare annotation was computed. [2019-10-13 21:21:09,355 INFO L443 ceAbstractionStarter]: For program point L356(lines 356 366) no Hoare annotation was computed. [2019-10-13 21:21:09,355 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 344 372) no Hoare annotation was computed. [2019-10-13 21:21:09,355 INFO L439 ceAbstractionStarter]: At program point L354(line 354) the Hoare annotation is: (let ((.cse3 (not (= ~waterLevel~0 1))) (.cse1 (not (= ~systemActive~0 0))) (.cse7 (not (<= 1 ~waterLevel~0))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse8 (not (<= 1 ~pumpRunning~0))) (.cse2 (= 0 ~methAndRunningLastTime~0)) (.cse9 (not (<= 2 ~waterLevel~0))) (.cse5 (not (= ~systemActive~0 1))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse2 .cse3 .cse4) (or (or .cse0 .cse5 .cse6) .cse7) (or .cse8 .cse9 (or .cse5 .cse6)) (or .cse1 .cse7 (or .cse0 .cse6)) (or .cse8 .cse2 .cse9 .cse5 .cse4))) [2019-10-13 21:21:09,355 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 460 482) no Hoare annotation was computed. [2019-10-13 21:21:09,355 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 460 482) no Hoare annotation was computed. [2019-10-13 21:21:09,355 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 460 482) no Hoare annotation was computed. [2019-10-13 21:21:09,355 INFO L443 ceAbstractionStarter]: For program point L468(lines 468 476) no Hoare annotation was computed. [2019-10-13 21:21:09,356 INFO L443 ceAbstractionStarter]: For program point L468-2(lines 468 476) no Hoare annotation was computed. [2019-10-13 21:21:09,356 INFO L439 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 336 343) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~methAndRunningLastTime~0) (not (= ~systemActive~0 1)) (not (= ~waterLevel~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~methaneLevelCritical~0 0))) [2019-10-13 21:21:09,356 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 336 343) no Hoare annotation was computed. [2019-10-13 21:21:09,356 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 336 343) no Hoare annotation was computed. [2019-10-13 21:21:09,356 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 378 387) no Hoare annotation was computed. [2019-10-13 21:21:09,356 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 378 387) no Hoare annotation was computed. [2019-10-13 21:21:09,356 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 378 387) no Hoare annotation was computed. [2019-10-13 21:21:09,356 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 792 894) no Hoare annotation was computed. [2019-10-13 21:21:09,356 INFO L443 ceAbstractionStarter]: For program point L857(line 857) no Hoare annotation was computed. [2019-10-13 21:21:09,357 INFO L443 ceAbstractionStarter]: For program point L857-1(line 857) no Hoare annotation was computed. [2019-10-13 21:21:09,357 INFO L443 ceAbstractionStarter]: For program point L816(lines 816 820) no Hoare annotation was computed. [2019-10-13 21:21:09,357 INFO L443 ceAbstractionStarter]: For program point L880(lines 880 891) no Hoare annotation was computed. [2019-10-13 21:21:09,357 INFO L443 ceAbstractionStarter]: For program point L843(lines 843 847) no Hoare annotation was computed. [2019-10-13 21:21:09,357 INFO L443 ceAbstractionStarter]: For program point L841-2(lines 841 861) no Hoare annotation was computed. [2019-10-13 21:21:09,357 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 792 894) no Hoare annotation was computed. [2019-10-13 21:21:09,357 INFO L443 ceAbstractionStarter]: For program point L862(lines 840 863) no Hoare annotation was computed. [2019-10-13 21:21:09,357 INFO L443 ceAbstractionStarter]: For program point L821(lines 821 837) no Hoare annotation was computed. [2019-10-13 21:21:09,357 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 792 894) no Hoare annotation was computed. [2019-10-13 21:21:09,358 INFO L443 ceAbstractionStarter]: For program point L881(lines 881 888) no Hoare annotation was computed. [2019-10-13 21:21:09,358 INFO L443 ceAbstractionStarter]: For program point L842(lines 841 861) no Hoare annotation was computed. [2019-10-13 21:21:09,358 INFO L443 ceAbstractionStarter]: For program point L873(line 873) no Hoare annotation was computed. [2019-10-13 21:21:09,358 INFO L443 ceAbstractionStarter]: For program point L873-1(line 873) no Hoare annotation was computed. [2019-10-13 21:21:09,358 INFO L443 ceAbstractionStarter]: For program point L838(lines 838 879) no Hoare annotation was computed. [2019-10-13 21:21:09,358 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:21:09,358 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0)) [2019-10-13 21:21:09,358 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:21:09,358 INFO L443 ceAbstractionStarter]: For program point activatePumpFINAL(lines 208 215) no Hoare annotation was computed. [2019-10-13 21:21:09,359 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 208 215) no Hoare annotation was computed. [2019-10-13 21:21:09,359 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 208 215) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (<= 2 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= ~methAndRunningLastTime~0 0))) [2019-10-13 21:21:09,359 INFO L443 ceAbstractionStarter]: For program point L289(lines 289 293) no Hoare annotation was computed. [2019-10-13 21:21:09,359 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 280 298) no Hoare annotation was computed. [2019-10-13 21:21:09,359 INFO L446 ceAbstractionStarter]: At program point L287(line 287) the Hoare annotation is: true [2019-10-13 21:21:09,359 INFO L443 ceAbstractionStarter]: For program point L289-2(lines 289 293) no Hoare annotation was computed. [2019-10-13 21:21:09,359 INFO L443 ceAbstractionStarter]: For program point L287-1(line 287) no Hoare annotation was computed. [2019-10-13 21:21:09,359 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 280 298) the Hoare annotation is: true [2019-10-13 21:21:09,359 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 280 298) no Hoare annotation was computed. [2019-10-13 21:21:09,360 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 483 491) no Hoare annotation was computed. [2019-10-13 21:21:09,360 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 483 491) no Hoare annotation was computed. [2019-10-13 21:21:09,360 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 483 491) no Hoare annotation was computed. [2019-10-13 21:21:09,360 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 439 450) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse6 (not (= ~systemActive~0 0))) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse5 (not (<= 2 ~waterLevel~0))) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (not (= |old(~methaneLevelCritical~0)| 0)))) (and (or .cse0 (not (<= 1 ~waterLevel~0)) .cse1 .cse2 .cse3 .cse4) (or (or (not (<= 1 ~pumpRunning~0)) .cse5 .cse2 .cse3 .cse4) .cse1) (or .cse0 .cse6 .cse1 (not (= ~waterLevel~0 1)) .cse3 .cse4) (or .cse0 .cse6 .cse1 .cse5 .cse3 .cse4))) [2019-10-13 21:21:09,360 INFO L443 ceAbstractionStarter]: For program point L443-1(lines 439 450) no Hoare annotation was computed. [2019-10-13 21:21:09,360 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 439 450) no Hoare annotation was computed. [2019-10-13 21:21:09,360 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:21:09,360 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 21:21:09,361 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:21:09,361 INFO L443 ceAbstractionStarter]: For program point L129(lines 128 147) no Hoare annotation was computed. [2019-10-13 21:21:09,361 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 125 148) the Hoare annotation is: (let ((.cse9 (= ~pumpRunning~0 0)) (.cse11 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse7 (not (<= 2 |old(~waterLevel~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse5 (and .cse9 .cse11)) (.cse2 (= 1 ~waterLevel~0)) (.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse10 (= 0 ~methAndRunningLastTime~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (= ~systemActive~0 0))) (.cse8 (not (<= 1 |old(~waterLevel~0)|))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 (or .cse0 .cse7)) (or .cse0 .cse8 .cse1 (and .cse9 .cse10 .cse11) .cse4) (or (or (not (<= 1 |old(~pumpRunning~0)|)) .cse7 .cse1) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse11)) (or .cse6 .cse5 .cse8 (or .cse0 (not (= ~methaneLevelCritical~0 0)))) (or .cse0 .cse6 .cse2 .cse3 .cse4) (or (and .cse9 .cse10) .cse0 .cse6 .cse8 .cse4)))) [2019-10-13 21:21:09,361 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 125 148) no Hoare annotation was computed. [2019-10-13 21:21:09,361 INFO L439 ceAbstractionStarter]: At program point L138(line 138) the Hoare annotation is: (let ((.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse3 (not (= ~systemActive~0 0))) (.cse5 (not (<= 1 |old(~waterLevel~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (= 1 ~waterLevel~0) (not (= |old(~waterLevel~0)| 1)) .cse2) (or .cse3 (or .cse0 .cse4)) (or (or (not (<= 1 |old(~pumpRunning~0)|)) .cse4 .cse1) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))) (or .cse0 .cse5 .cse1 (and (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) .cse2) (or .cse0 .cse3 .cse5 .cse2) (or .cse3 .cse5 (or .cse0 (not (= ~methaneLevelCritical~0 0)))))) [2019-10-13 21:21:09,362 INFO L439 ceAbstractionStarter]: At program point L136(lines 136 142) the Hoare annotation is: (let ((.cse10 (= 0 ~methAndRunningLastTime~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse11 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (not (<= 2 |old(~waterLevel~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (and .cse2 .cse11)) (.cse9 (not (<= 1 |old(~waterLevel~0)|))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 0))) (.cse6 (and (= 1 ~waterLevel~0) .cse10)) (.cse7 (not (= |old(~waterLevel~0)| 1))) (.cse8 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1) (and (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse2)) (or .cse3 .cse4 (or .cse5 .cse0)) (or .cse5 .cse6 .cse1 .cse7 .cse8) (or .cse5 .cse3 .cse9 .cse1 .cse8 (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse10 .cse11)) (or .cse4 .cse3 .cse9 (or .cse5 (not (= ~methaneLevelCritical~0 0)))) (or .cse5 .cse4 .cse9 .cse2 .cse8) (or .cse5 .cse4 .cse6 .cse7 .cse8)))) [2019-10-13 21:21:09,362 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 125 148) no Hoare annotation was computed. [2019-10-13 21:21:09,362 INFO L439 ceAbstractionStarter]: At program point L131(line 131) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 0))) (.cse3 (not (<= 1 |old(~waterLevel~0)|))) (.cse2 (not (<= 2 |old(~waterLevel~0)|))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= ~systemActive~0 1))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 (or .cse1 .cse2)) (or .cse1 .cse0 .cse3 .cse4) (or .cse1 .cse2 .cse5 .cse4) (or .cse0 .cse3 (or .cse1 (not (= ~methaneLevelCritical~0 0)))) (or (or (not (<= 1 |old(~pumpRunning~0)|)) .cse2 .cse5) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse1 .cse5 (not (= |old(~waterLevel~0)| 1)) .cse4))) [2019-10-13 21:21:09,362 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 517 546) no Hoare annotation was computed. [2019-10-13 21:21:09,362 INFO L446 ceAbstractionStarter]: At program point L542(lines 517 546) the Hoare annotation is: true [2019-10-13 21:21:09,362 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 517 546) the Hoare annotation is: true [2019-10-13 21:21:09,362 INFO L443 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2019-10-13 21:21:09,363 INFO L443 ceAbstractionStarter]: For program point L531(lines 531 535) no Hoare annotation was computed. [2019-10-13 21:21:09,363 INFO L446 ceAbstractionStarter]: At program point L531-1(lines 531 535) the Hoare annotation is: true [2019-10-13 21:21:09,363 INFO L443 ceAbstractionStarter]: For program point L528(line 528) no Hoare annotation was computed. [2019-10-13 21:21:09,363 INFO L446 ceAbstractionStarter]: At program point L527-2(lines 527 541) the Hoare annotation is: true [2019-10-13 21:21:09,363 INFO L446 ceAbstractionStarter]: At program point L523(line 523) the Hoare annotation is: true [2019-10-13 21:21:09,363 INFO L443 ceAbstractionStarter]: For program point L523-1(line 523) no Hoare annotation was computed. [2019-10-13 21:21:09,363 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 451 459) the Hoare annotation is: true [2019-10-13 21:21:09,363 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 451 459) no Hoare annotation was computed. [2019-10-13 21:21:09,363 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 451 459) no Hoare annotation was computed. [2019-10-13 21:21:09,364 INFO L439 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 415 426) the Hoare annotation is: (or (or (not (<= 1 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (<= 2 |old(~waterLevel~0)|))) (<= |old(~waterLevel~0)| ~waterLevel~0)) [2019-10-13 21:21:09,364 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 415 426) no Hoare annotation was computed. [2019-10-13 21:21:09,364 INFO L443 ceAbstractionStarter]: For program point L419-1(lines 415 426) no Hoare annotation was computed. [2019-10-13 21:21:09,364 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 571 577) no Hoare annotation was computed. [2019-10-13 21:21:09,364 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 571 577) the Hoare annotation is: true [2019-10-13 21:21:09,364 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:21:09,364 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-10-13 21:21:09,364 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 21:21:09,365 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:21:09,365 INFO L443 ceAbstractionStarter]: For program point L161(lines 161 178) no Hoare annotation was computed. [2019-10-13 21:21:09,365 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 157 181) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~waterLevel~0)) (not (= ~systemActive~0 1)) (= ~pumpRunning~0 0) (not (= ~methAndRunningLastTime~0 0))) [2019-10-13 21:21:09,365 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 157 181) no Hoare annotation was computed. [2019-10-13 21:21:09,365 INFO L439 ceAbstractionStarter]: At program point L176(line 176) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1 .cse2) (or .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2))) [2019-10-13 21:21:09,365 INFO L443 ceAbstractionStarter]: For program point L176-1(lines 157 181) no Hoare annotation was computed. [2019-10-13 21:21:09,365 INFO L439 ceAbstractionStarter]: At program point L171(line 171) the Hoare annotation is: (or (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~1) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= ~methAndRunningLastTime~0 0))) [2019-10-13 21:21:09,366 INFO L439 ceAbstractionStarter]: At program point L167(line 167) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (<= 1 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= ~methAndRunningLastTime~0 0))) [2019-10-13 21:21:09,366 INFO L443 ceAbstractionStarter]: For program point L165(lines 165 173) no Hoare annotation was computed. [2019-10-13 21:21:09,366 INFO L439 ceAbstractionStarter]: At program point L163(line 163) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~waterLevel~0)) (not (= ~systemActive~0 1)) (= ~pumpRunning~0 0) (not (= ~methAndRunningLastTime~0 0))) [2019-10-13 21:21:09,366 INFO L443 ceAbstractionStarter]: For program point L163-1(line 163) no Hoare annotation was computed. [2019-10-13 21:21:09,366 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 427 438) no Hoare annotation was computed. [2019-10-13 21:21:09,366 INFO L443 ceAbstractionStarter]: For program point L431-1(lines 427 438) no Hoare annotation was computed. [2019-10-13 21:21:09,366 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 427 438) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse6 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse7 (not (= ~systemActive~0 0))) (.cse2 (= 1 ~waterLevel~0)) (.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (not (<= 1 ~pumpRunning~0)) .cse1 .cse5 .cse6) (or .cse6 (or .cse0 .cse1) .cse5 .cse4) (or .cse7 .cse6 .cse5 .cse4 .cse0) (or .cse0 .cse7 .cse2 .cse3 .cse4))) [2019-10-13 21:21:09,366 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 613 620) no Hoare annotation was computed. [2019-10-13 21:21:09,367 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 617) no Hoare annotation was computed. [2019-10-13 21:21:09,367 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 613 620) the Hoare annotation is: true [2019-10-13 21:21:09,367 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 613 620) no Hoare annotation was computed. [2019-10-13 21:21:09,383 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 09:21:09 BoogieIcfgContainer [2019-10-13 21:21:09,383 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 21:21:09,385 INFO L168 Benchmark]: Toolchain (without parser) took 21658.95 ms. Allocated memory was 136.8 MB in the beginning and 649.1 MB in the end (delta: 512.2 MB). Free memory was 99.9 MB in the beginning and 507.5 MB in the end (delta: -407.6 MB). Peak memory consumption was 483.6 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:09,385 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 136.8 MB. Free memory was 120.1 MB in the beginning and 119.9 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-13 21:21:09,386 INFO L168 Benchmark]: CACSL2BoogieTranslator took 665.82 ms. Allocated memory was 136.8 MB in the beginning and 201.3 MB in the end (delta: 64.5 MB). Free memory was 99.7 MB in the beginning and 167.1 MB in the end (delta: -67.4 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:09,387 INFO L168 Benchmark]: Boogie Preprocessor took 112.11 ms. Allocated memory is still 201.3 MB. Free memory was 167.1 MB in the beginning and 162.9 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:09,387 INFO L168 Benchmark]: RCFGBuilder took 1164.70 ms. Allocated memory was 201.3 MB in the beginning and 231.7 MB in the end (delta: 30.4 MB). Free memory was 162.2 MB in the beginning and 192.8 MB in the end (delta: -30.5 MB). Peak memory consumption was 83.3 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:09,388 INFO L168 Benchmark]: TraceAbstraction took 19712.49 ms. Allocated memory was 231.7 MB in the beginning and 649.1 MB in the end (delta: 417.3 MB). Free memory was 192.8 MB in the beginning and 507.5 MB in the end (delta: -314.8 MB). Peak memory consumption was 481.5 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:09,391 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 136.8 MB. Free memory was 120.1 MB in the beginning and 119.9 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 665.82 ms. Allocated memory was 136.8 MB in the beginning and 201.3 MB in the end (delta: 64.5 MB). Free memory was 99.7 MB in the beginning and 167.1 MB in the end (delta: -67.4 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 112.11 ms. Allocated memory is still 201.3 MB. Free memory was 167.1 MB in the beginning and 162.9 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1164.70 ms. Allocated memory was 201.3 MB in the beginning and 231.7 MB in the end (delta: 30.4 MB). Free memory was 162.2 MB in the beginning and 192.8 MB in the end (delta: -30.5 MB). Peak memory consumption was 83.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 19712.49 ms. Allocated memory was 231.7 MB in the beginning and 649.1 MB in the end (delta: 417.3 MB). Free memory was 192.8 MB in the beginning and 507.5 MB in the end (delta: -314.8 MB). Peak memory consumption was 481.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 617]: 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: 54]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 527]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 517]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: (((((((((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && 0 == splverifierCounter) || ((((1 == systemActive && 0 == splverifierCounter) && 1 <= waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime)) || !(\old(systemActive) == 1)) || ((((0 == splverifierCounter && 1 <= waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime) && 0 == systemActive)) || !(\old(methAndRunningLastTime) == 0)) || !(0 == \old(pumpRunning))) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 246 locations, 1 error locations. Result: SAFE, OverallTime: 19.6s, OverallIterations: 14, TraceHistogramMax: 2, AutomataDifference: 5.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.1s, HoareTripleCheckerStatistics: 2480 SDtfs, 1603 SDslu, 4938 SDs, 0 SdLazy, 2366 SolverSat, 541 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1046 GetRequests, 953 SyntacticMatches, 7 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3571occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.6s AutomataMinimizationTime, 14 MinimizatonAttempts, 1869 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 63 LocationsWithAnnotation, 6264 PreInvPairs, 6397 NumberOfFragments, 2338 HoareAnnotationTreeSize, 6264 FomulaSimplifications, 20025 FormulaSimplificationTreeSizeReduction, 1.6s HoareSimplificationTime, 63 FomulaSimplificationsInter, 18149 FormulaSimplificationTreeSizeReductionInter, 5.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 1867 NumberOfCodeBlocks, 1867 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 2303 ConstructedInterpolants, 0 QuantifiedInterpolants, 446877 SizeOfPredicates, 14 NumberOfNonLiveVariables, 2758 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 20 InterpolantComputations, 14 PerfectInterpolantSequences, 482/530 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...