java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product33.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 01:21:37,552 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 01:21:37,554 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 01:21:37,566 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 01:21:37,567 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 01:21:37,569 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 01:21:37,570 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 01:21:37,573 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 01:21:37,576 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 01:21:37,577 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 01:21:37,584 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 01:21:37,585 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 01:21:37,586 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 01:21:37,588 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 01:21:37,589 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 01:21:37,590 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 01:21:37,591 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 01:21:37,594 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 01:21:37,596 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 01:21:37,599 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 01:21:37,600 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 01:21:37,604 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 01:21:37,605 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 01:21:37,606 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 01:21:37,610 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 01:21:37,610 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 01:21:37,610 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 01:21:37,612 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 01:21:37,613 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 01:21:37,615 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 01:21:37,615 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 01:21:37,617 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 01:21:37,617 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 01:21:37,618 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 01:21:37,622 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 01:21:37,622 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 01:21:37,623 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 01:21:37,623 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 01:21:37,623 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 01:21:37,625 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 01:21:37,629 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 01:21:37,629 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-15 01:21:37,664 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 01:21:37,664 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 01:21:37,666 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 01:21:37,666 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 01:21:37,666 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 01:21:37,666 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 01:21:37,666 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 01:21:37,667 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 01:21:37,667 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 01:21:37,667 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 01:21:37,670 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 01:21:37,670 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 01:21:37,671 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 01:21:37,671 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 01:21:37,671 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 01:21:37,671 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 01:21:37,671 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 01:21:37,672 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 01:21:37,672 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 01:21:37,672 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 01:21:37,672 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 01:21:37,672 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:21:37,673 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 01:21:37,673 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 01:21:37,673 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 01:21:37,675 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 01:21:37,675 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 01:21:37,676 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 01:21:37,676 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-15 01:21:37,950 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 01:21:37,962 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 01:21:37,965 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 01:21:37,967 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 01:21:37,968 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 01:21:37,968 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product33.cil.c [2019-10-15 01:21:38,034 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8db59ec6f/64a37174388b4c68b744cba699ad30fe/FLAG6899429d9 [2019-10-15 01:21:38,469 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 01:21:38,470 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product33.cil.c [2019-10-15 01:21:38,482 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8db59ec6f/64a37174388b4c68b744cba699ad30fe/FLAG6899429d9 [2019-10-15 01:21:38,806 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8db59ec6f/64a37174388b4c68b744cba699ad30fe [2019-10-15 01:21:38,816 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 01:21:38,818 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 01:21:38,819 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 01:21:38,819 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 01:21:38,822 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 01:21:38,823 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:21:38" (1/1) ... [2019-10-15 01:21:38,825 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@429df39f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:38, skipping insertion in model container [2019-10-15 01:21:38,825 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:21:38" (1/1) ... [2019-10-15 01:21:38,832 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 01:21:38,898 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 01:21:39,347 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:21:39,360 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 01:21:39,441 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:21:39,484 INFO L192 MainTranslator]: Completed translation [2019-10-15 01:21:39,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:39 WrapperNode [2019-10-15 01:21:39,485 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 01:21:39,486 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 01:21:39,486 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 01:21:39,486 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 01:21:39,496 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:39" (1/1) ... [2019-10-15 01:21:39,496 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:39" (1/1) ... [2019-10-15 01:21:39,518 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:39" (1/1) ... [2019-10-15 01:21:39,519 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:39" (1/1) ... [2019-10-15 01:21:39,565 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:39" (1/1) ... [2019-10-15 01:21:39,582 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:39" (1/1) ... [2019-10-15 01:21:39,593 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:39" (1/1) ... [2019-10-15 01:21:39,610 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 01:21:39,611 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 01:21:39,611 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 01:21:39,611 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 01:21:39,612 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:39" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:21:39,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 01:21:39,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 01:21:39,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 01:21:39,700 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 01:21:39,700 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 01:21:39,701 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 01:21:39,701 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 01:21:39,702 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 01:21:39,702 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 01:21:39,703 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 01:21:39,703 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-15 01:21:39,703 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-15 01:21:39,703 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-15 01:21:39,704 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-15 01:21:39,704 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-15 01:21:39,704 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-15 01:21:39,706 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-15 01:21:39,706 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-15 01:21:39,707 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-15 01:21:39,707 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 01:21:39,707 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 01:21:39,707 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 01:21:39,707 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 01:21:39,707 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-15 01:21:39,707 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-15 01:21:39,708 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 01:21:39,708 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-15 01:21:39,708 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 01:21:39,708 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 01:21:39,708 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-15 01:21:39,709 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-15 01:21:39,709 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-15 01:21:39,709 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-15 01:21:39,709 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-15 01:21:39,709 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-15 01:21:39,709 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-15 01:21:39,709 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-10-15 01:21:39,710 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-10-15 01:21:39,710 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-10-15 01:21:39,710 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 01:21:39,710 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 01:21:39,710 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 01:21:39,710 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 01:21:39,711 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 01:21:39,711 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 01:21:39,711 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 01:21:39,711 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 01:21:39,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 01:21:39,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 01:21:39,711 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 01:21:39,712 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 01:21:39,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 01:21:39,712 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 01:21:39,712 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 01:21:39,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 01:21:39,712 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 01:21:39,712 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 01:21:39,712 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 01:21:39,713 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 01:21:39,713 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-15 01:21:39,713 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-15 01:21:39,713 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-15 01:21:39,714 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-15 01:21:39,714 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 01:21:39,714 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-15 01:21:39,714 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-15 01:21:39,715 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-15 01:21:39,715 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-15 01:21:39,715 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-15 01:21:39,715 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-15 01:21:39,715 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-15 01:21:39,715 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-15 01:21:39,715 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-10-15 01:21:39,716 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-10-15 01:21:39,716 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-15 01:21:39,716 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-15 01:21:39,716 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-15 01:21:39,717 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-15 01:21:39,717 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 01:21:39,717 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 01:21:39,718 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 01:21:39,718 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 01:21:39,718 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-15 01:21:39,718 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 01:21:39,718 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-10-15 01:21:39,719 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-15 01:21:39,719 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 01:21:39,720 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 01:21:39,720 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-15 01:21:39,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 01:21:39,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 01:21:39,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 01:21:40,746 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 01:21:40,747 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-15 01:21:40,750 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:21:40 BoogieIcfgContainer [2019-10-15 01:21:40,750 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 01:21:40,751 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 01:21:40,751 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 01:21:40,754 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 01:21:40,755 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 01:21:38" (1/3) ... [2019-10-15 01:21:40,756 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ac777a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:21:40, skipping insertion in model container [2019-10-15 01:21:40,756 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:21:39" (2/3) ... [2019-10-15 01:21:40,756 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ac777a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:21:40, skipping insertion in model container [2019-10-15 01:21:40,756 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:21:40" (3/3) ... [2019-10-15 01:21:40,759 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product33.cil.c [2019-10-15 01:21:40,769 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 01:21:40,777 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 01:21:40,788 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 01:21:40,822 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 01:21:40,822 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 01:21:40,823 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 01:21:40,823 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 01:21:40,823 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 01:21:40,823 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 01:21:40,823 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 01:21:40,824 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 01:21:40,852 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states. [2019-10-15 01:21:40,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-10-15 01:21:40,866 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:21:40,867 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:21:40,870 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:21:40,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:40,876 INFO L82 PathProgramCache]: Analyzing trace with hash -1965832149, now seen corresponding path program 1 times [2019-10-15 01:21:40,887 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:21:40,888 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364571639] [2019-10-15 01:21:40,889 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:40,889 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:40,889 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:21:41,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:41,264 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:21:41,265 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364571639] [2019-10-15 01:21:41,267 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:21:41,267 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 01:21:41,268 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496002782] [2019-10-15 01:21:41,274 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 01:21:41,276 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:21:41,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 01:21:41,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:21:41,296 INFO L87 Difference]: Start difference. First operand 158 states. Second operand 2 states. [2019-10-15 01:21:41,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:21:41,344 INFO L93 Difference]: Finished difference Result 226 states and 283 transitions. [2019-10-15 01:21:41,344 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 01:21:41,345 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2019-10-15 01:21:41,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:21:41,356 INFO L225 Difference]: With dead ends: 226 [2019-10-15 01:21:41,357 INFO L226 Difference]: Without dead ends: 115 [2019-10-15 01:21:41,361 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:21:41,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2019-10-15 01:21:41,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2019-10-15 01:21:41,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2019-10-15 01:21:41,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 135 transitions. [2019-10-15 01:21:41,410 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 135 transitions. Word has length 59 [2019-10-15 01:21:41,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:21:41,411 INFO L462 AbstractCegarLoop]: Abstraction has 115 states and 135 transitions. [2019-10-15 01:21:41,411 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 01:21:41,411 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 135 transitions. [2019-10-15 01:21:41,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-10-15 01:21:41,415 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:21:41,415 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:21:41,416 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:21:41,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:41,416 INFO L82 PathProgramCache]: Analyzing trace with hash 1650494658, now seen corresponding path program 1 times [2019-10-15 01:21:41,416 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:21:41,416 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914411612] [2019-10-15 01:21:41,417 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:41,417 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:41,417 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:21:41,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:41,563 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:21:41,564 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914411612] [2019-10-15 01:21:41,564 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:21:41,564 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:21:41,564 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101789146] [2019-10-15 01:21:41,566 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:21:41,566 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:21:41,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:21:41,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:21:41,567 INFO L87 Difference]: Start difference. First operand 115 states and 135 transitions. Second operand 3 states. [2019-10-15 01:21:41,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:21:41,591 INFO L93 Difference]: Finished difference Result 202 states and 245 transitions. [2019-10-15 01:21:41,592 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:21:41,592 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2019-10-15 01:21:41,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:21:41,595 INFO L225 Difference]: With dead ends: 202 [2019-10-15 01:21:41,595 INFO L226 Difference]: Without dead ends: 115 [2019-10-15 01:21:41,597 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:21:41,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2019-10-15 01:21:41,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2019-10-15 01:21:41,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2019-10-15 01:21:41,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 134 transitions. [2019-10-15 01:21:41,611 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 134 transitions. Word has length 64 [2019-10-15 01:21:41,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:21:41,614 INFO L462 AbstractCegarLoop]: Abstraction has 115 states and 134 transitions. [2019-10-15 01:21:41,614 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:21:41,615 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 134 transitions. [2019-10-15 01:21:41,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-10-15 01:21:41,622 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:21:41,622 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:21:41,623 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:21:41,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:41,625 INFO L82 PathProgramCache]: Analyzing trace with hash 1464836383, now seen corresponding path program 1 times [2019-10-15 01:21:41,625 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:21:41,626 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968005581] [2019-10-15 01:21:41,626 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:41,626 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:41,626 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:21:41,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:41,767 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:21:41,767 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968005581] [2019-10-15 01:21:41,767 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:21:41,768 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 01:21:41,768 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099023665] [2019-10-15 01:21:41,769 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 01:21:41,769 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:21:41,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 01:21:41,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 01:21:41,770 INFO L87 Difference]: Start difference. First operand 115 states and 134 transitions. Second operand 5 states. [2019-10-15 01:21:42,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:21:42,333 INFO L93 Difference]: Finished difference Result 319 states and 405 transitions. [2019-10-15 01:21:42,334 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 01:21:42,334 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 72 [2019-10-15 01:21:42,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:21:42,337 INFO L225 Difference]: With dead ends: 319 [2019-10-15 01:21:42,337 INFO L226 Difference]: Without dead ends: 232 [2019-10-15 01:21:42,339 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:21:42,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2019-10-15 01:21:42,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 208. [2019-10-15 01:21:42,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 208 states. [2019-10-15 01:21:42,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 251 transitions. [2019-10-15 01:21:42,367 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 251 transitions. Word has length 72 [2019-10-15 01:21:42,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:21:42,368 INFO L462 AbstractCegarLoop]: Abstraction has 208 states and 251 transitions. [2019-10-15 01:21:42,368 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 01:21:42,369 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 251 transitions. [2019-10-15 01:21:42,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-10-15 01:21:42,371 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:21:42,371 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:21:42,371 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:21:42,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:42,372 INFO L82 PathProgramCache]: Analyzing trace with hash 840628108, now seen corresponding path program 1 times [2019-10-15 01:21:42,372 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:21:42,372 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980531998] [2019-10-15 01:21:42,372 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:42,372 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:42,373 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:21:42,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:42,455 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:21:42,455 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980531998] [2019-10-15 01:21:42,456 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:21:42,456 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:21:42,456 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934999645] [2019-10-15 01:21:42,457 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:21:42,457 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:21:42,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:21:42,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:21:42,458 INFO L87 Difference]: Start difference. First operand 208 states and 251 transitions. Second operand 3 states. [2019-10-15 01:21:42,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:21:42,471 INFO L93 Difference]: Finished difference Result 322 states and 377 transitions. [2019-10-15 01:21:42,472 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:21:42,472 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 82 [2019-10-15 01:21:42,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:21:42,475 INFO L225 Difference]: With dead ends: 322 [2019-10-15 01:21:42,475 INFO L226 Difference]: Without dead ends: 178 [2019-10-15 01:21:42,476 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:21:42,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2019-10-15 01:21:42,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 178. [2019-10-15 01:21:42,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states. [2019-10-15 01:21:42,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 207 transitions. [2019-10-15 01:21:42,496 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 207 transitions. Word has length 82 [2019-10-15 01:21:42,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:21:42,496 INFO L462 AbstractCegarLoop]: Abstraction has 178 states and 207 transitions. [2019-10-15 01:21:42,497 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:21:42,497 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 207 transitions. [2019-10-15 01:21:42,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2019-10-15 01:21:42,498 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:21:42,498 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:21:42,499 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:21:42,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:42,499 INFO L82 PathProgramCache]: Analyzing trace with hash 402114491, now seen corresponding path program 1 times [2019-10-15 01:21:42,499 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:21:42,500 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252723925] [2019-10-15 01:21:42,502 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:42,502 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:42,502 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:21:42,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:42,648 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-15 01:21:42,649 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252723925] [2019-10-15 01:21:42,649 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:21:42,649 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 01:21:42,649 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463880535] [2019-10-15 01:21:42,650 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 01:21:42,650 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:21:42,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 01:21:42,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:21:42,651 INFO L87 Difference]: Start difference. First operand 178 states and 207 transitions. Second operand 7 states. [2019-10-15 01:21:43,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:21:43,210 INFO L93 Difference]: Finished difference Result 345 states and 414 transitions. [2019-10-15 01:21:43,211 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-15 01:21:43,211 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 86 [2019-10-15 01:21:43,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:21:43,214 INFO L225 Difference]: With dead ends: 345 [2019-10-15 01:21:43,217 INFO L226 Difference]: Without dead ends: 195 [2019-10-15 01:21:43,219 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-15 01:21:43,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2019-10-15 01:21:43,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 177. [2019-10-15 01:21:43,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 177 states. [2019-10-15 01:21:43,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 204 transitions. [2019-10-15 01:21:43,251 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 204 transitions. Word has length 86 [2019-10-15 01:21:43,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:21:43,252 INFO L462 AbstractCegarLoop]: Abstraction has 177 states and 204 transitions. [2019-10-15 01:21:43,252 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 01:21:43,252 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 204 transitions. [2019-10-15 01:21:43,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-10-15 01:21:43,255 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:21:43,255 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:21:43,255 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:21:43,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:43,256 INFO L82 PathProgramCache]: Analyzing trace with hash -1072290173, now seen corresponding path program 1 times [2019-10-15 01:21:43,256 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:21:43,257 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374634569] [2019-10-15 01:21:43,257 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:43,257 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:43,257 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:21:43,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:43,379 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:21:43,379 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374634569] [2019-10-15 01:21:43,379 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:21:43,380 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 01:21:43,380 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114359771] [2019-10-15 01:21:43,380 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 01:21:43,381 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:21:43,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 01:21:43,381 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 01:21:43,381 INFO L87 Difference]: Start difference. First operand 177 states and 204 transitions. Second operand 6 states. [2019-10-15 01:21:43,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:21:43,421 INFO L93 Difference]: Finished difference Result 331 states and 389 transitions. [2019-10-15 01:21:43,421 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 01:21:43,422 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 87 [2019-10-15 01:21:43,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:21:43,424 INFO L225 Difference]: With dead ends: 331 [2019-10-15 01:21:43,425 INFO L226 Difference]: Without dead ends: 182 [2019-10-15 01:21:43,426 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:21:43,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2019-10-15 01:21:43,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 182. [2019-10-15 01:21:43,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2019-10-15 01:21:43,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 209 transitions. [2019-10-15 01:21:43,448 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 209 transitions. Word has length 87 [2019-10-15 01:21:43,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:21:43,450 INFO L462 AbstractCegarLoop]: Abstraction has 182 states and 209 transitions. [2019-10-15 01:21:43,450 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 01:21:43,450 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 209 transitions. [2019-10-15 01:21:43,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-10-15 01:21:43,452 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:21:43,452 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:21:43,452 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:21:43,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:43,453 INFO L82 PathProgramCache]: Analyzing trace with hash 313913221, now seen corresponding path program 1 times [2019-10-15 01:21:43,453 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:21:43,453 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393022777] [2019-10-15 01:21:43,453 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:43,453 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:43,454 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:21:43,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:43,548 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:21:43,548 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393022777] [2019-10-15 01:21:43,548 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:21:43,548 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-15 01:21:43,549 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053258982] [2019-10-15 01:21:43,550 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 01:21:43,550 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:21:43,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 01:21:43,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-15 01:21:43,551 INFO L87 Difference]: Start difference. First operand 182 states and 209 transitions. Second operand 8 states. [2019-10-15 01:21:43,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:21:43,609 INFO L93 Difference]: Finished difference Result 343 states and 405 transitions. [2019-10-15 01:21:43,609 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:21:43,610 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 87 [2019-10-15 01:21:43,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:21:43,614 INFO L225 Difference]: With dead ends: 343 [2019-10-15 01:21:43,614 INFO L226 Difference]: Without dead ends: 189 [2019-10-15 01:21:43,615 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-15 01:21:43,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2019-10-15 01:21:43,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 186. [2019-10-15 01:21:43,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2019-10-15 01:21:43,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 213 transitions. [2019-10-15 01:21:43,630 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 213 transitions. Word has length 87 [2019-10-15 01:21:43,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:21:43,631 INFO L462 AbstractCegarLoop]: Abstraction has 186 states and 213 transitions. [2019-10-15 01:21:43,631 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-15 01:21:43,631 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 213 transitions. [2019-10-15 01:21:43,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-10-15 01:21:43,634 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:21:43,637 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:21:43,638 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:21:43,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:43,638 INFO L82 PathProgramCache]: Analyzing trace with hash -1869763706, now seen corresponding path program 1 times [2019-10-15 01:21:43,639 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:21:43,639 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712175917] [2019-10-15 01:21:43,639 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:43,640 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:43,646 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:21:43,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:43,726 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:21:43,726 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712175917] [2019-10-15 01:21:43,726 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:21:43,727 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-15 01:21:43,727 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482783333] [2019-10-15 01:21:43,727 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-15 01:21:43,727 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:21:43,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-15 01:21:43,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 01:21:43,728 INFO L87 Difference]: Start difference. First operand 186 states and 213 transitions. Second operand 4 states. [2019-10-15 01:21:43,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:21:43,932 INFO L93 Difference]: Finished difference Result 534 states and 643 transitions. [2019-10-15 01:21:43,934 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-15 01:21:43,935 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 87 [2019-10-15 01:21:43,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:21:43,939 INFO L225 Difference]: With dead ends: 534 [2019-10-15 01:21:43,940 INFO L226 Difference]: Without dead ends: 376 [2019-10-15 01:21:43,941 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 01:21:43,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2019-10-15 01:21:43,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 367. [2019-10-15 01:21:43,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 367 states. [2019-10-15 01:21:43,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 431 transitions. [2019-10-15 01:21:43,980 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 431 transitions. Word has length 87 [2019-10-15 01:21:43,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:21:43,980 INFO L462 AbstractCegarLoop]: Abstraction has 367 states and 431 transitions. [2019-10-15 01:21:43,981 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-15 01:21:43,981 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 431 transitions. [2019-10-15 01:21:43,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2019-10-15 01:21:43,983 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:21:43,983 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:21:43,983 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:21:43,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:43,983 INFO L82 PathProgramCache]: Analyzing trace with hash -1799982100, now seen corresponding path program 1 times [2019-10-15 01:21:43,984 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:21:43,984 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865692401] [2019-10-15 01:21:43,984 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:43,984 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:43,984 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:21:44,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:44,136 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:21:44,136 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865692401] [2019-10-15 01:21:44,137 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:21:44,137 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-15 01:21:44,137 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450196785] [2019-10-15 01:21:44,138 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-15 01:21:44,138 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:21:44,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-15 01:21:44,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-10-15 01:21:44,138 INFO L87 Difference]: Start difference. First operand 367 states and 431 transitions. Second operand 9 states. [2019-10-15 01:21:44,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:21:44,947 INFO L93 Difference]: Finished difference Result 962 states and 1183 transitions. [2019-10-15 01:21:44,947 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-15 01:21:44,948 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 91 [2019-10-15 01:21:44,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:21:44,953 INFO L225 Difference]: With dead ends: 962 [2019-10-15 01:21:44,954 INFO L226 Difference]: Without dead ends: 686 [2019-10-15 01:21:44,955 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2019-10-15 01:21:44,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 686 states. [2019-10-15 01:21:44,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 686 to 616. [2019-10-15 01:21:44,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 616 states. [2019-10-15 01:21:44,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 616 states and 715 transitions. [2019-10-15 01:21:44,999 INFO L78 Accepts]: Start accepts. Automaton has 616 states and 715 transitions. Word has length 91 [2019-10-15 01:21:45,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:21:45,000 INFO L462 AbstractCegarLoop]: Abstraction has 616 states and 715 transitions. [2019-10-15 01:21:45,000 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-15 01:21:45,000 INFO L276 IsEmpty]: Start isEmpty. Operand 616 states and 715 transitions. [2019-10-15 01:21:45,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2019-10-15 01:21:45,002 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:21:45,003 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:21:45,003 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:21:45,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:45,003 INFO L82 PathProgramCache]: Analyzing trace with hash 476527769, now seen corresponding path program 1 times [2019-10-15 01:21:45,003 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:21:45,004 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025187937] [2019-10-15 01:21:45,004 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:45,004 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:21:45,004 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:21:45,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:45,154 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 22 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-15 01:21:45,154 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025187937] [2019-10-15 01:21:45,155 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1543557005] [2019-10-15 01:21:45,155 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:21:45,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:21:45,389 INFO L256 TraceCheckSpWp]: Trace formula consists of 863 conjuncts, 8 conjunts are in the unsatisfiable core [2019-10-15 01:21:45,410 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:21:45,581 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 25 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:21:45,581 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:21:45,905 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 22 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-15 01:21:45,906 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [505208308] [2019-10-15 01:21:45,912 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 135 [2019-10-15 01:21:45,958 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-15 01:21:45,958 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-15 01:21:46,036 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-15 01:21:46,038 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 69 root evaluator evaluations with a maximum evaluation depth of 0. Performed 69 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 128 variables. [2019-10-15 01:21:46,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:21:46,043 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-15 01:21:46,133 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-15 01:21:46,133 INFO L551 sIntCurrentIteration]: Unifying AI predicates [2019-10-15 01:21:46,141 INFO L553 sIntCurrentIteration]: We unified 133 AI predicates to 133 [2019-10-15 01:21:46,142 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-15 01:21:46,142 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-10-15 01:21:46,143 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [11, 7, 7] total 19 [2019-10-15 01:21:46,143 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635194957] [2019-10-15 01:21:46,145 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 01:21:46,145 INFO L137 tionRefinementEngine]: Using predicate unifier AbsIntPredicateUnifier provided by strategy TAIPAN [2019-10-15 01:21:46,145 INFO L124 tionRefinementEngine]: Using hoare triple checker CachingHoareTripleCheckerMap provided by strategy [2019-10-15 01:21:46,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 01:21:46,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:21:46,146 INFO L87 Difference]: Start difference. First operand 616 states and 715 transitions. Second operand 2 states. [2019-10-15 01:21:46,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:21:46,158 INFO L93 Difference]: Finished difference Result 616 states and 715 transitions. [2019-10-15 01:21:46,158 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 01:21:46,158 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 134 [2019-10-15 01:21:46,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:21:46,159 INFO L225 Difference]: With dead ends: 616 [2019-10-15 01:21:46,159 INFO L226 Difference]: Without dead ends: 0 [2019-10-15 01:21:46,160 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:21:46,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-15 01:21:46,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-15 01:21:46,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-15 01:21:46,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-15 01:21:46,161 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 134 [2019-10-15 01:21:46,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:21:46,162 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-15 01:21:46,162 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 01:21:46,163 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-15 01:21:46,167 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-15 01:21:46,374 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:21:46,378 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-15 01:21:46,683 INFO L443 ceAbstractionStarter]: For program point L123(lines 123 127) no Hoare annotation was computed. [2019-10-15 01:21:46,683 INFO L443 ceAbstractionStarter]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2019-10-15 01:21:46,683 INFO L443 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2019-10-15 01:21:46,684 INFO L443 ceAbstractionStarter]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2019-10-15 01:21:46,684 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2019-10-15 01:21:46,684 INFO L443 ceAbstractionStarter]: For program point L139(lines 116 140) no Hoare annotation was computed. [2019-10-15 01:21:46,684 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2019-10-15 01:21:46,684 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2019-10-15 01:21:46,685 INFO L443 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-10-15 01:21:46,685 INFO L443 ceAbstractionStarter]: For program point L193-1(line 193) no Hoare annotation was computed. [2019-10-15 01:21:46,685 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2019-10-15 01:21:46,685 INFO L443 ceAbstractionStarter]: For program point L180(lines 180 184) no Hoare annotation was computed. [2019-10-15 01:21:46,685 INFO L443 ceAbstractionStarter]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2019-10-15 01:21:46,685 INFO L443 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2019-10-15 01:21:46,685 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2019-10-15 01:21:46,685 INFO L443 ceAbstractionStarter]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2019-10-15 01:21:46,686 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2019-10-15 01:21:46,686 INFO L443 ceAbstractionStarter]: For program point L200(lines 173 201) no Hoare annotation was computed. [2019-10-15 01:21:46,686 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 661 667) the Hoare annotation is: true [2019-10-15 01:21:46,686 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 661 667) no Hoare annotation was computed. [2019-10-15 01:21:46,686 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 668 676) no Hoare annotation was computed. [2019-10-15 01:21:46,686 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 668 676) the Hoare annotation is: true [2019-10-15 01:21:46,686 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 668 676) no Hoare annotation was computed. [2019-10-15 01:21:46,687 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 881 888) the Hoare annotation is: true [2019-10-15 01:21:46,687 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 881 888) no Hoare annotation was computed. [2019-10-15 01:21:46,687 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 881 888) no Hoare annotation was computed. [2019-10-15 01:21:46,687 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 889 898) the Hoare annotation is: true [2019-10-15 01:21:46,687 INFO L443 ceAbstractionStarter]: For program point L894(line 894) no Hoare annotation was computed. [2019-10-15 01:21:46,687 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 889 898) no Hoare annotation was computed. [2019-10-15 01:21:46,687 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 889 898) no Hoare annotation was computed. [2019-10-15 01:21:46,687 INFO L446 ceAbstractionStarter]: At program point L914(line 914) the Hoare annotation is: true [2019-10-15 01:21:46,687 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 899 927) the Hoare annotation is: true [2019-10-15 01:21:46,688 INFO L443 ceAbstractionStarter]: For program point L912(lines 912 918) no Hoare annotation was computed. [2019-10-15 01:21:46,688 INFO L443 ceAbstractionStarter]: For program point L911(lines 911 921) no Hoare annotation was computed. [2019-10-15 01:21:46,688 INFO L446 ceAbstractionStarter]: At program point L909(line 909) the Hoare annotation is: true [2019-10-15 01:21:46,688 INFO L443 ceAbstractionStarter]: For program point L909-1(line 909) no Hoare annotation was computed. [2019-10-15 01:21:46,688 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 899 927) no Hoare annotation was computed. [2019-10-15 01:21:46,688 INFO L443 ceAbstractionStarter]: For program point L907(lines 907 924) no Hoare annotation was computed. [2019-10-15 01:21:46,688 INFO L443 ceAbstractionStarter]: For program point L907-1(lines 899 927) no Hoare annotation was computed. [2019-10-15 01:21:46,688 INFO L446 ceAbstractionStarter]: At program point L905(line 905) the Hoare annotation is: true [2019-10-15 01:21:46,688 INFO L443 ceAbstractionStarter]: For program point L905-1(line 905) no Hoare annotation was computed. [2019-10-15 01:21:46,688 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 752 774) the Hoare annotation is: true [2019-10-15 01:21:46,689 INFO L446 ceAbstractionStarter]: At program point L764(line 764) the Hoare annotation is: true [2019-10-15 01:21:46,689 INFO L446 ceAbstractionStarter]: At program point L764-1(line 764) the Hoare annotation is: true [2019-10-15 01:21:46,689 INFO L443 ceAbstractionStarter]: For program point L762(lines 762 769) no Hoare annotation was computed. [2019-10-15 01:21:46,689 INFO L443 ceAbstractionStarter]: For program point L762-1(lines 762 769) no Hoare annotation was computed. [2019-10-15 01:21:46,689 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 752 774) no Hoare annotation was computed. [2019-10-15 01:21:46,689 INFO L443 ceAbstractionStarter]: For program point L760(line 760) no Hoare annotation was computed. [2019-10-15 01:21:46,689 INFO L446 ceAbstractionStarter]: At program point L759(line 759) the Hoare annotation is: true [2019-10-15 01:21:46,689 INFO L446 ceAbstractionStarter]: At program point L758(line 758) the Hoare annotation is: true [2019-10-15 01:21:46,690 INFO L446 ceAbstractionStarter]: At program point L758-1(line 758) the Hoare annotation is: true [2019-10-15 01:21:46,690 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 752 774) no Hoare annotation was computed. [2019-10-15 01:21:46,690 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 709 732) no Hoare annotation was computed. [2019-10-15 01:21:46,690 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 709 732) no Hoare annotation was computed. [2019-10-15 01:21:46,690 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 709 732) no Hoare annotation was computed. [2019-10-15 01:21:46,690 INFO L443 ceAbstractionStarter]: For program point L727(line 727) no Hoare annotation was computed. [2019-10-15 01:21:46,690 INFO L443 ceAbstractionStarter]: For program point L726(line 726) no Hoare annotation was computed. [2019-10-15 01:21:46,690 INFO L443 ceAbstractionStarter]: For program point L725(line 725) no Hoare annotation was computed. [2019-10-15 01:21:46,690 INFO L443 ceAbstractionStarter]: For program point L724(line 724) no Hoare annotation was computed. [2019-10-15 01:21:46,691 INFO L443 ceAbstractionStarter]: For program point L723(line 723) no Hoare annotation was computed. [2019-10-15 01:21:46,691 INFO L443 ceAbstractionStarter]: For program point L722(line 722) no Hoare annotation was computed. [2019-10-15 01:21:46,691 INFO L443 ceAbstractionStarter]: For program point L721(line 721) no Hoare annotation was computed. [2019-10-15 01:21:46,691 INFO L443 ceAbstractionStarter]: For program point L720(line 720) no Hoare annotation was computed. [2019-10-15 01:21:46,691 INFO L443 ceAbstractionStarter]: For program point L719(line 719) no Hoare annotation was computed. [2019-10-15 01:21:46,691 INFO L443 ceAbstractionStarter]: For program point L718(line 718) no Hoare annotation was computed. [2019-10-15 01:21:46,691 INFO L443 ceAbstractionStarter]: For program point L717(line 717) no Hoare annotation was computed. [2019-10-15 01:21:46,691 INFO L443 ceAbstractionStarter]: For program point L716(line 716) no Hoare annotation was computed. [2019-10-15 01:21:46,691 INFO L443 ceAbstractionStarter]: For program point L715(line 715) no Hoare annotation was computed. [2019-10-15 01:21:46,692 INFO L443 ceAbstractionStarter]: For program point L714(line 714) no Hoare annotation was computed. [2019-10-15 01:21:46,692 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 575 583) no Hoare annotation was computed. [2019-10-15 01:21:46,692 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 575 583) the Hoare annotation is: true [2019-10-15 01:21:46,692 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 575 583) no Hoare annotation was computed. [2019-10-15 01:21:46,692 INFO L443 ceAbstractionStarter]: For program point L603(lines 603 611) no Hoare annotation was computed. [2019-10-15 01:21:46,692 INFO L443 ceAbstractionStarter]: For program point L603-2(lines 603 611) no Hoare annotation was computed. [2019-10-15 01:21:46,692 INFO L443 ceAbstractionStarter]: For program point L591(lines 591 599) no Hoare annotation was computed. [2019-10-15 01:21:46,692 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 584 619) no Hoare annotation was computed. [2019-10-15 01:21:46,692 INFO L443 ceAbstractionStarter]: For program point L591-2(lines 591 599) no Hoare annotation was computed. [2019-10-15 01:21:46,693 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 584 619) no Hoare annotation was computed. [2019-10-15 01:21:46,693 INFO L443 ceAbstractionStarter]: For program point L614(line 614) no Hoare annotation was computed. [2019-10-15 01:21:46,693 INFO L443 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2019-10-15 01:21:46,693 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 584 619) no Hoare annotation was computed. [2019-10-15 01:21:46,693 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 654 660) no Hoare annotation was computed. [2019-10-15 01:21:46,693 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 654 660) the Hoare annotation is: true [2019-10-15 01:21:46,693 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2019-10-15 01:21:46,693 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2019-10-15 01:21:46,693 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2019-10-15 01:21:46,694 INFO L443 ceAbstractionStarter]: For program point L379(lines 379 386) no Hoare annotation was computed. [2019-10-15 01:21:46,694 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2019-10-15 01:21:46,694 INFO L443 ceAbstractionStarter]: For program point L373(lines 373 393) no Hoare annotation was computed. [2019-10-15 01:21:46,694 INFO L443 ceAbstractionStarter]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2019-10-15 01:21:46,694 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2019-10-15 01:21:46,694 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2019-10-15 01:21:46,694 INFO L446 ceAbstractionStarter]: At program point runTestENTRY(lines 741 751) the Hoare annotation is: true [2019-10-15 01:21:46,694 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 741 751) no Hoare annotation was computed. [2019-10-15 01:21:46,694 INFO L446 ceAbstractionStarter]: At program point L746(line 746) the Hoare annotation is: true [2019-10-15 01:21:46,694 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 741 751) no Hoare annotation was computed. [2019-10-15 01:21:46,695 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 564 574) no Hoare annotation was computed. [2019-10-15 01:21:46,695 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 564 574) no Hoare annotation was computed. [2019-10-15 01:21:46,695 INFO L443 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2019-10-15 01:21:46,695 INFO L443 ceAbstractionStarter]: For program point L569-1(line 569) no Hoare annotation was computed. [2019-10-15 01:21:46,695 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 564 574) no Hoare annotation was computed. [2019-10-15 01:21:46,695 INFO L443 ceAbstractionStarter]: For program point deactivatePumpENTRY(lines 556 563) no Hoare annotation was computed. [2019-10-15 01:21:46,695 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 556 563) no Hoare annotation was computed. [2019-10-15 01:21:46,695 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 556 563) no Hoare annotation was computed. [2019-10-15 01:21:46,696 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 865 878) no Hoare annotation was computed. [2019-10-15 01:21:46,696 INFO L443 ceAbstractionStarter]: For program point L869(lines 869 875) no Hoare annotation was computed. [2019-10-15 01:21:46,696 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 865 878) the Hoare annotation is: true [2019-10-15 01:21:46,696 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 865 878) no Hoare annotation was computed. [2019-10-15 01:21:46,696 INFO L446 ceAbstractionStarter]: At program point L542(line 542) the Hoare annotation is: true [2019-10-15 01:21:46,696 INFO L443 ceAbstractionStarter]: For program point L542-1(lines 523 547) no Hoare annotation was computed. [2019-10-15 01:21:46,696 INFO L446 ceAbstractionStarter]: At program point L537(line 537) the Hoare annotation is: true [2019-10-15 01:21:46,696 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 523 547) no Hoare annotation was computed. [2019-10-15 01:21:46,696 INFO L446 ceAbstractionStarter]: At program point L533(line 533) the Hoare annotation is: true [2019-10-15 01:21:46,697 INFO L446 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 523 547) the Hoare annotation is: true [2019-10-15 01:21:46,697 INFO L443 ceAbstractionStarter]: For program point L531(lines 531 539) no Hoare annotation was computed. [2019-10-15 01:21:46,697 INFO L446 ceAbstractionStarter]: At program point L529(line 529) the Hoare annotation is: true [2019-10-15 01:21:46,697 INFO L443 ceAbstractionStarter]: For program point L529-1(line 529) no Hoare annotation was computed. [2019-10-15 01:21:46,697 INFO L443 ceAbstractionStarter]: For program point L527(lines 527 544) no Hoare annotation was computed. [2019-10-15 01:21:46,697 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 515 521) no Hoare annotation was computed. [2019-10-15 01:21:46,697 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 515 521) the Hoare annotation is: true [2019-10-15 01:21:46,697 INFO L446 ceAbstractionStarter]: At program point testENTRY(lines 410 473) the Hoare annotation is: true [2019-10-15 01:21:46,697 INFO L446 ceAbstractionStarter]: At program point L442(line 442) the Hoare annotation is: true [2019-10-15 01:21:46,698 INFO L443 ceAbstractionStarter]: For program point L440(lines 440 446) no Hoare annotation was computed. [2019-10-15 01:21:46,698 INFO L443 ceAbstractionStarter]: For program point L440-1(lines 440 446) no Hoare annotation was computed. [2019-10-15 01:21:46,698 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 410 473) no Hoare annotation was computed. [2019-10-15 01:21:46,698 INFO L446 ceAbstractionStarter]: At program point L432(line 432) the Hoare annotation is: true [2019-10-15 01:21:46,698 INFO L446 ceAbstractionStarter]: At program point L463(lines 420 465) the Hoare annotation is: true [2019-10-15 01:21:46,698 INFO L443 ceAbstractionStarter]: For program point L430(lines 430 436) no Hoare annotation was computed. [2019-10-15 01:21:46,698 INFO L443 ceAbstractionStarter]: For program point L430-1(lines 430 436) no Hoare annotation was computed. [2019-10-15 01:21:46,698 INFO L443 ceAbstractionStarter]: For program point L422(lines 422 426) no Hoare annotation was computed. [2019-10-15 01:21:46,698 INFO L446 ceAbstractionStarter]: At program point L466(lines 419 467) the Hoare annotation is: true [2019-10-15 01:21:46,699 INFO L443 ceAbstractionStarter]: For program point L456(lines 456 460) no Hoare annotation was computed. [2019-10-15 01:21:46,699 INFO L446 ceAbstractionStarter]: At program point L456-2(lines 450 461) the Hoare annotation is: true [2019-10-15 01:21:46,699 INFO L443 ceAbstractionStarter]: For program point L421(lines 420 465) no Hoare annotation was computed. [2019-10-15 01:21:46,699 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 410 473) no Hoare annotation was computed. [2019-10-15 01:21:46,699 INFO L443 ceAbstractionStarter]: For program point L450(lines 450 461) no Hoare annotation was computed. [2019-10-15 01:21:46,699 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2019-10-15 01:21:46,699 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2019-10-15 01:21:46,699 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2019-10-15 01:21:46,700 INFO L443 ceAbstractionStarter]: For program point L333(lines 333 340) no Hoare annotation was computed. [2019-10-15 01:21:46,700 INFO L443 ceAbstractionStarter]: For program point L327(lines 327 347) no Hoare annotation was computed. [2019-10-15 01:21:46,700 INFO L443 ceAbstractionStarter]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2019-10-15 01:21:46,700 INFO L443 ceAbstractionStarter]: For program point L841(lines 841 849) no Hoare annotation was computed. [2019-10-15 01:21:46,700 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 833 855) no Hoare annotation was computed. [2019-10-15 01:21:46,700 INFO L443 ceAbstractionStarter]: For program point L841-2(lines 841 849) no Hoare annotation was computed. [2019-10-15 01:21:46,700 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 833 855) no Hoare annotation was computed. [2019-10-15 01:21:46,700 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 833 855) no Hoare annotation was computed. [2019-10-15 01:21:46,700 INFO L443 ceAbstractionStarter]: For program point L256(lines 256 297) no Hoare annotation was computed. [2019-10-15 01:21:46,700 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2019-10-15 01:21:46,701 INFO L443 ceAbstractionStarter]: For program point L275(line 275) no Hoare annotation was computed. [2019-10-15 01:21:46,701 INFO L443 ceAbstractionStarter]: For program point L275-1(line 275) no Hoare annotation was computed. [2019-10-15 01:21:46,701 INFO L443 ceAbstractionStarter]: For program point L234(lines 234 238) no Hoare annotation was computed. [2019-10-15 01:21:46,701 INFO L443 ceAbstractionStarter]: For program point L298(lines 298 309) no Hoare annotation was computed. [2019-10-15 01:21:46,701 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2019-10-15 01:21:46,701 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 265) no Hoare annotation was computed. [2019-10-15 01:21:46,701 INFO L443 ceAbstractionStarter]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2019-10-15 01:21:46,701 INFO L443 ceAbstractionStarter]: For program point L280(lines 258 281) no Hoare annotation was computed. [2019-10-15 01:21:46,701 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2019-10-15 01:21:46,702 INFO L443 ceAbstractionStarter]: For program point L239(lines 239 255) no Hoare annotation was computed. [2019-10-15 01:21:46,702 INFO L443 ceAbstractionStarter]: For program point L299(lines 299 306) no Hoare annotation was computed. [2019-10-15 01:21:46,702 INFO L443 ceAbstractionStarter]: For program point L260(lines 259 279) no Hoare annotation was computed. [2019-10-15 01:21:46,702 INFO L443 ceAbstractionStarter]: For program point L291(line 291) no Hoare annotation was computed. [2019-10-15 01:21:46,702 INFO L443 ceAbstractionStarter]: For program point L291-1(line 291) no Hoare annotation was computed. [2019-10-15 01:21:46,702 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 644 653) no Hoare annotation was computed. [2019-10-15 01:21:46,702 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 644 653) no Hoare annotation was computed. [2019-10-15 01:21:46,702 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 644 653) no Hoare annotation was computed. [2019-10-15 01:21:46,703 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:21:46,703 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (or (= 1 ~waterLevel~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2019-10-15 01:21:46,703 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:21:46,703 INFO L443 ceAbstractionStarter]: For program point activatePumpFINAL(lines 548 555) no Hoare annotation was computed. [2019-10-15 01:21:46,703 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 548 555) no Hoare annotation was computed. [2019-10-15 01:21:46,703 INFO L446 ceAbstractionStarter]: At program point activatePumpENTRY(lines 548 555) the Hoare annotation is: true [2019-10-15 01:21:46,703 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 620 638) no Hoare annotation was computed. [2019-10-15 01:21:46,704 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 620 638) the Hoare annotation is: true [2019-10-15 01:21:46,704 INFO L443 ceAbstractionStarter]: For program point L629(lines 629 633) no Hoare annotation was computed. [2019-10-15 01:21:46,704 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 620 638) no Hoare annotation was computed. [2019-10-15 01:21:46,704 INFO L446 ceAbstractionStarter]: At program point L627(line 627) the Hoare annotation is: true [2019-10-15 01:21:46,704 INFO L443 ceAbstractionStarter]: For program point L629-2(lines 629 633) no Hoare annotation was computed. [2019-10-15 01:21:46,704 INFO L443 ceAbstractionStarter]: For program point L627-1(line 627) no Hoare annotation was computed. [2019-10-15 01:21:46,704 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 856 864) the Hoare annotation is: true [2019-10-15 01:21:46,704 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 856 864) no Hoare annotation was computed. [2019-10-15 01:21:46,704 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 856 864) no Hoare annotation was computed. [2019-10-15 01:21:46,705 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:21:46,705 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-15 01:21:46,705 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:21:46,705 INFO L443 ceAbstractionStarter]: For program point L816-1(lines 812 823) no Hoare annotation was computed. [2019-10-15 01:21:46,705 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 812 823) the Hoare annotation is: true [2019-10-15 01:21:46,705 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 812 823) no Hoare annotation was computed. [2019-10-15 01:21:46,705 INFO L446 ceAbstractionStarter]: At program point L504(line 504) the Hoare annotation is: true [2019-10-15 01:21:46,705 INFO L446 ceAbstractionStarter]: At program point L502(lines 502 508) the Hoare annotation is: true [2019-10-15 01:21:46,706 INFO L446 ceAbstractionStarter]: At program point L497(line 497) the Hoare annotation is: true [2019-10-15 01:21:46,706 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 488 514) the Hoare annotation is: true [2019-10-15 01:21:46,706 INFO L443 ceAbstractionStarter]: For program point L495(lines 491 513) no Hoare annotation was computed. [2019-10-15 01:21:46,706 INFO L443 ceAbstractionStarter]: For program point L493(lines 491 513) no Hoare annotation was computed. [2019-10-15 01:21:46,706 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 488 514) no Hoare annotation was computed. [2019-10-15 01:21:46,706 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 488 514) no Hoare annotation was computed. [2019-10-15 01:21:46,706 INFO L446 ceAbstractionStarter]: At program point L704(lines 679 708) the Hoare annotation is: true [2019-10-15 01:21:46,706 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 679 708) no Hoare annotation was computed. [2019-10-15 01:21:46,707 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 679 708) the Hoare annotation is: true [2019-10-15 01:21:46,707 INFO L443 ceAbstractionStarter]: For program point L700(line 700) no Hoare annotation was computed. [2019-10-15 01:21:46,707 INFO L443 ceAbstractionStarter]: For program point L693(lines 693 697) no Hoare annotation was computed. [2019-10-15 01:21:46,707 INFO L446 ceAbstractionStarter]: At program point L693-1(lines 693 697) the Hoare annotation is: true [2019-10-15 01:21:46,707 INFO L443 ceAbstractionStarter]: For program point L690(line 690) no Hoare annotation was computed. [2019-10-15 01:21:46,707 INFO L446 ceAbstractionStarter]: At program point L689-2(lines 689 703) the Hoare annotation is: true [2019-10-15 01:21:46,707 INFO L446 ceAbstractionStarter]: At program point L685(line 685) the Hoare annotation is: true [2019-10-15 01:21:46,707 INFO L443 ceAbstractionStarter]: For program point L685-1(line 685) no Hoare annotation was computed. [2019-10-15 01:21:46,708 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalENTRY(lines 824 832) no Hoare annotation was computed. [2019-10-15 01:21:46,708 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 824 832) no Hoare annotation was computed. [2019-10-15 01:21:46,708 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 824 832) no Hoare annotation was computed. [2019-10-15 01:21:46,708 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 788 799) the Hoare annotation is: true [2019-10-15 01:21:46,708 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 788 799) no Hoare annotation was computed. [2019-10-15 01:21:46,708 INFO L443 ceAbstractionStarter]: For program point L792-1(lines 788 799) no Hoare annotation was computed. [2019-10-15 01:21:46,708 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 733 739) no Hoare annotation was computed. [2019-10-15 01:21:46,708 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 733 739) the Hoare annotation is: true [2019-10-15 01:21:46,709 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:21:46,709 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2019-10-15 01:21:46,709 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-15 01:21:46,709 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:21:46,709 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 800 811) no Hoare annotation was computed. [2019-10-15 01:21:46,709 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 800 811) the Hoare annotation is: true [2019-10-15 01:21:46,709 INFO L443 ceAbstractionStarter]: For program point L804-1(lines 800 811) no Hoare annotation was computed. [2019-10-15 01:21:46,709 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 776 783) no Hoare annotation was computed. [2019-10-15 01:21:46,709 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 776 783) the Hoare annotation is: true [2019-10-15 01:21:46,710 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 780) no Hoare annotation was computed. [2019-10-15 01:21:46,710 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 776 783) no Hoare annotation was computed. [2019-10-15 01:21:46,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 01:21:46 BoogieIcfgContainer [2019-10-15 01:21:46,718 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-15 01:21:46,720 INFO L168 Benchmark]: Toolchain (without parser) took 7902.21 ms. Allocated memory was 146.8 MB in the beginning and 315.6 MB in the end (delta: 168.8 MB). Free memory was 102.6 MB in the beginning and 266.5 MB in the end (delta: -163.9 MB). Peak memory consumption was 182.3 MB. Max. memory is 7.1 GB. [2019-10-15 01:21:46,721 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 146.8 MB. Free memory was 121.9 MB in the beginning and 121.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-15 01:21:46,722 INFO L168 Benchmark]: CACSL2BoogieTranslator took 666.72 ms. Allocated memory was 146.8 MB in the beginning and 203.4 MB in the end (delta: 56.6 MB). Free memory was 102.4 MB in the beginning and 170.5 MB in the end (delta: -68.1 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB. [2019-10-15 01:21:46,722 INFO L168 Benchmark]: Boogie Preprocessor took 125.04 ms. Allocated memory is still 203.4 MB. Free memory was 170.5 MB in the beginning and 166.0 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2019-10-15 01:21:46,723 INFO L168 Benchmark]: RCFGBuilder took 1138.96 ms. Allocated memory was 203.4 MB in the beginning and 234.9 MB in the end (delta: 31.5 MB). Free memory was 166.0 MB in the beginning and 193.8 MB in the end (delta: -27.8 MB). Peak memory consumption was 79.4 MB. Max. memory is 7.1 GB. [2019-10-15 01:21:46,724 INFO L168 Benchmark]: TraceAbstraction took 5966.83 ms. Allocated memory was 234.9 MB in the beginning and 315.6 MB in the end (delta: 80.7 MB). Free memory was 192.4 MB in the beginning and 266.5 MB in the end (delta: -74.1 MB). Peak memory consumption was 184.0 MB. Max. memory is 7.1 GB. [2019-10-15 01:21:46,730 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 146.8 MB. Free memory was 121.9 MB in the beginning and 121.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 666.72 ms. Allocated memory was 146.8 MB in the beginning and 203.4 MB in the end (delta: 56.6 MB). Free memory was 102.4 MB in the beginning and 170.5 MB in the end (delta: -68.1 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 125.04 ms. Allocated memory is still 203.4 MB. Free memory was 170.5 MB in the beginning and 166.0 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1138.96 ms. Allocated memory was 203.4 MB in the beginning and 234.9 MB in the end (delta: 31.5 MB). Free memory was 166.0 MB in the beginning and 193.8 MB in the end (delta: -27.8 MB). Peak memory consumption was 79.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 5966.83 ms. Allocated memory was 234.9 MB in the beginning and 315.6 MB in the end (delta: 80.7 MB). Free memory was 192.4 MB in the beginning and 266.5 MB in the end (delta: -74.1 MB). Peak memory consumption was 184.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 780]: 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: 679]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 420]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 419]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 689]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 225 locations, 1 error locations. Result: SAFE, OverallTime: 5.8s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, HoareTripleCheckerStatistics: 1290 SDtfs, 930 SDslu, 2231 SDs, 0 SdLazy, 1347 SolverSat, 352 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 225 GetRequests, 176 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=616occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 124 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 52 LocationsWithAnnotation, 716 PreInvPairs, 720 NumberOfFragments, 62 HoareAnnotationTreeSize, 716 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 52 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 983 NumberOfCodeBlocks, 983 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1105 ConstructedInterpolants, 0 QuantifiedInterpolants, 188873 SizeOfPredicates, 4 NumberOfNonLiveVariables, 863 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 118/141 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 131, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 1.0, AVG_VARS_REMOVED_DURING_WEAKENING: 0.8872180451127819, AVG_WEAKENED_CONJUNCTS: 0.0, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...