java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product50.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:06:29,684 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:06:29,686 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:06:29,699 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:06:29,700 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:06:29,701 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:06:29,703 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:06:29,705 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:06:29,707 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:06:29,708 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:06:29,709 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:06:29,710 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:06:29,711 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:06:29,712 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:06:29,713 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:06:29,714 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:06:29,715 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:06:29,716 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:06:29,718 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:06:29,719 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:06:29,721 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:06:29,722 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:06:29,723 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:06:29,724 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:06:29,726 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 13:06:29,727 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 13:06:29,727 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 13:06:29,728 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 13:06:29,729 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 13:06:29,730 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 13:06:29,730 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:06:29,731 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:06:29,732 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:06:29,733 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:06:29,734 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:06:29,734 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:06:29,734 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:06:29,735 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:06:29,735 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:06:29,736 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:06:29,737 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:06:29,738 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-20 13:06:29,757 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:06:29,758 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:06:29,761 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 13:06:29,761 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 13:06:29,762 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 13:06:29,762 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:06:29,762 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:06:29,763 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 13:06:29,763 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:06:29,763 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:06:29,763 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:06:29,763 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:06:29,764 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:06:29,764 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:06:29,765 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:06:29,766 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 13:06:29,766 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:06:29,766 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:06:29,766 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:06:29,767 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 13:06:29,767 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 13:06:29,767 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:06:29,768 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:06:29,768 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:06:29,768 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 13:06:29,769 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 13:06:29,769 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:06:29,769 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 13:06:29,769 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:06:29,827 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:06:29,844 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:06:29,848 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:06:29,850 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:06:29,850 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:06:29,851 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product50.cil.c [2019-09-20 13:06:29,918 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/066ead0d0/53c8a6469b044d7ba5613388fa5fddb9/FLAG1e0a76833 [2019-09-20 13:06:30,482 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:06:30,483 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product50.cil.c [2019-09-20 13:06:30,512 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/066ead0d0/53c8a6469b044d7ba5613388fa5fddb9/FLAG1e0a76833 [2019-09-20 13:06:30,698 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/066ead0d0/53c8a6469b044d7ba5613388fa5fddb9 [2019-09-20 13:06:30,710 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:06:30,713 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:06:30,714 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:06:30,714 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:06:30,718 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:06:30,719 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:06:30" (1/1) ... [2019-09-20 13:06:30,723 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26c31c5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:30, skipping insertion in model container [2019-09-20 13:06:30,723 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:06:30" (1/1) ... [2019-09-20 13:06:30,731 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:06:30,796 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:06:31,271 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:06:31,288 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:06:31,374 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:06:31,414 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:06:31,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:31 WrapperNode [2019-09-20 13:06:31,415 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:06:31,416 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:06:31,416 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:06:31,416 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:06:31,430 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:31" (1/1) ... [2019-09-20 13:06:31,430 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:31" (1/1) ... [2019-09-20 13:06:31,457 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:31" (1/1) ... [2019-09-20 13:06:31,457 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:31" (1/1) ... [2019-09-20 13:06:31,503 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:31" (1/1) ... [2019-09-20 13:06:31,513 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:31" (1/1) ... [2019-09-20 13:06:31,518 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:31" (1/1) ... [2019-09-20 13:06:31,526 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:06:31,527 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:06:31,527 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:06:31,527 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:06:31,534 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:31" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:06:31,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:06:31,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:06:31,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 13:06:31,592 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 13:06:31,592 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 13:06:31,592 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 13:06:31,592 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 13:06:31,592 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 13:06:31,593 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 13:06:31,593 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-20 13:06:31,593 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 13:06:31,593 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 13:06:31,593 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 13:06:31,593 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 13:06:31,594 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:06:31,594 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 13:06:31,594 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 13:06:31,594 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 13:06:31,594 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 13:06:31,594 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 13:06:31,595 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 13:06:31,595 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 13:06:31,595 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 13:06:31,595 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 13:06:31,595 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 13:06:31,595 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 13:06:31,596 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-20 13:06:31,596 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-20 13:06:31,596 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 13:06:31,596 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 13:06:31,596 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 13:06:31,596 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 13:06:31,597 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 13:06:31,597 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 13:06:31,597 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 13:06:31,597 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 13:06:31,597 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 13:06:31,597 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-20 13:06:31,598 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-20 13:06:31,598 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-20 13:06:31,598 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 13:06:31,598 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:06:31,598 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:06:31,598 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 13:06:31,599 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 13:06:31,599 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 13:06:31,599 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 13:06:31,599 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 13:06:31,599 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 13:06:31,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 13:06:31,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 13:06:31,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 13:06:31,600 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 13:06:31,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:06:31,600 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 13:06:31,600 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 13:06:31,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 13:06:31,601 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 13:06:31,601 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 13:06:31,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:06:31,601 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 13:06:31,601 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 13:06:31,601 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 13:06:31,601 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 13:06:31,602 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-20 13:06:31,602 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 13:06:31,602 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 13:06:31,602 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 13:06:31,602 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 13:06:31,602 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 13:06:31,603 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 13:06:31,603 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 13:06:31,603 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 13:06:31,603 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 13:06:31,603 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 13:06:31,603 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 13:06:31,604 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 13:06:31,604 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:06:31,604 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 13:06:31,604 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 13:06:31,604 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 13:06:31,604 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 13:06:31,605 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-20 13:06:31,605 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-20 13:06:31,605 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 13:06:31,605 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 13:06:31,605 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-20 13:06:31,605 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 13:06:31,606 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 13:06:31,606 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-20 13:06:31,606 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 13:06:31,606 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-20 13:06:31,606 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 13:06:31,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:06:31,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 13:06:31,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:06:32,962 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:06:32,962 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 13:06:32,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:06:32 BoogieIcfgContainer [2019-09-20 13:06:32,964 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:06:32,965 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:06:32,965 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:06:32,969 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:06:32,969 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:06:30" (1/3) ... [2019-09-20 13:06:32,970 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ab547d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:06:32, skipping insertion in model container [2019-09-20 13:06:32,970 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:31" (2/3) ... [2019-09-20 13:06:32,971 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ab547d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:06:32, skipping insertion in model container [2019-09-20 13:06:32,971 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:06:32" (3/3) ... [2019-09-20 13:06:32,973 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product50.cil.c [2019-09-20 13:06:32,984 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:06:32,993 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 13:06:33,011 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 13:06:33,047 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-20 13:06:33,048 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:06:33,048 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-20 13:06:33,049 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:06:33,049 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:06:33,049 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:06:33,049 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:06:33,049 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:06:33,050 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:06:33,074 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states. [2019-09-20 13:06:33,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-09-20 13:06:33,084 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:33,085 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:06:33,088 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:33,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:33,094 INFO L82 PathProgramCache]: Analyzing trace with hash 1488722281, now seen corresponding path program 1 times [2019-09-20 13:06:33,096 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:33,097 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:33,153 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:33,153 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:33,154 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:33,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:33,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:06:33,461 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:06:33,462 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-20 13:06:33,467 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-20 13:06:33,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-20 13:06:33,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:06:33,489 INFO L87 Difference]: Start difference. First operand 175 states. Second operand 2 states. [2019-09-20 13:06:33,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:33,540 INFO L93 Difference]: Finished difference Result 264 states and 325 transitions. [2019-09-20 13:06:33,541 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-20 13:06:33,542 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-09-20 13:06:33,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:33,554 INFO L225 Difference]: With dead ends: 264 [2019-09-20 13:06:33,554 INFO L226 Difference]: Without dead ends: 132 [2019-09-20 13:06:33,559 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:06:33,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2019-09-20 13:06:33,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2019-09-20 13:06:33,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2019-09-20 13:06:33,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 154 transitions. [2019-09-20 13:06:33,623 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 154 transitions. Word has length 46 [2019-09-20 13:06:33,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:33,623 INFO L475 AbstractCegarLoop]: Abstraction has 132 states and 154 transitions. [2019-09-20 13:06:33,623 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-20 13:06:33,624 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 154 transitions. [2019-09-20 13:06:33,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-09-20 13:06:33,627 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:33,628 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:06:33,628 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:33,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:33,628 INFO L82 PathProgramCache]: Analyzing trace with hash 469599371, now seen corresponding path program 1 times [2019-09-20 13:06:33,629 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:33,629 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:33,632 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:33,632 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:33,632 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:33,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:33,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:06:33,781 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:06:33,781 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:06:33,783 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:06:33,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:06:33,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:06:33,784 INFO L87 Difference]: Start difference. First operand 132 states and 154 transitions. Second operand 3 states. [2019-09-20 13:06:33,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:33,807 INFO L93 Difference]: Finished difference Result 209 states and 243 transitions. [2019-09-20 13:06:33,808 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:06:33,808 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-09-20 13:06:33,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:33,810 INFO L225 Difference]: With dead ends: 209 [2019-09-20 13:06:33,811 INFO L226 Difference]: Without dead ends: 123 [2019-09-20 13:06:33,812 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:06:33,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2019-09-20 13:06:33,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2019-09-20 13:06:33,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2019-09-20 13:06:33,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 142 transitions. [2019-09-20 13:06:33,827 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 142 transitions. Word has length 47 [2019-09-20 13:06:33,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:33,828 INFO L475 AbstractCegarLoop]: Abstraction has 123 states and 142 transitions. [2019-09-20 13:06:33,828 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:06:33,828 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 142 transitions. [2019-09-20 13:06:33,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-09-20 13:06:33,830 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:33,831 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:06:33,831 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:33,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:33,831 INFO L82 PathProgramCache]: Analyzing trace with hash 305445596, now seen corresponding path program 1 times [2019-09-20 13:06:33,831 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:33,832 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:33,834 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:33,834 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:33,835 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:33,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:33,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:06:33,983 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:06:33,983 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-20 13:06:33,983 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-20 13:06:33,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-20 13:06:33,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:06:33,984 INFO L87 Difference]: Start difference. First operand 123 states and 142 transitions. Second operand 7 states. [2019-09-20 13:06:34,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:34,313 INFO L93 Difference]: Finished difference Result 222 states and 261 transitions. [2019-09-20 13:06:34,314 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-20 13:06:34,314 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2019-09-20 13:06:34,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:34,316 INFO L225 Difference]: With dead ends: 222 [2019-09-20 13:06:34,316 INFO L226 Difference]: Without dead ends: 123 [2019-09-20 13:06:34,317 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-09-20 13:06:34,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2019-09-20 13:06:34,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2019-09-20 13:06:34,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2019-09-20 13:06:34,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 141 transitions. [2019-09-20 13:06:34,334 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 141 transitions. Word has length 52 [2019-09-20 13:06:34,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:34,334 INFO L475 AbstractCegarLoop]: Abstraction has 123 states and 141 transitions. [2019-09-20 13:06:34,334 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-20 13:06:34,334 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 141 transitions. [2019-09-20 13:06:34,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-09-20 13:06:34,336 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:34,337 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:06:34,337 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:34,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:34,337 INFO L82 PathProgramCache]: Analyzing trace with hash 892474279, now seen corresponding path program 1 times [2019-09-20 13:06:34,338 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:34,338 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:34,340 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:34,341 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:34,341 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:34,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:34,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:06:34,461 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:06:34,461 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-20 13:06:34,461 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-20 13:06:34,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-20 13:06:34,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-20 13:06:34,462 INFO L87 Difference]: Start difference. First operand 123 states and 141 transitions. Second operand 5 states. [2019-09-20 13:06:34,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:34,986 INFO L93 Difference]: Finished difference Result 321 states and 385 transitions. [2019-09-20 13:06:34,986 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-20 13:06:34,986 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2019-09-20 13:06:34,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:34,991 INFO L225 Difference]: With dead ends: 321 [2019-09-20 13:06:34,991 INFO L226 Difference]: Without dead ends: 222 [2019-09-20 13:06:34,992 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-09-20 13:06:34,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2019-09-20 13:06:35,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 203. [2019-09-20 13:06:35,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2019-09-20 13:06:35,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 230 transitions. [2019-09-20 13:06:35,050 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 230 transitions. Word has length 65 [2019-09-20 13:06:35,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:35,051 INFO L475 AbstractCegarLoop]: Abstraction has 203 states and 230 transitions. [2019-09-20 13:06:35,051 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-20 13:06:35,051 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 230 transitions. [2019-09-20 13:06:35,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-09-20 13:06:35,055 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:35,059 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:06:35,059 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:35,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:35,060 INFO L82 PathProgramCache]: Analyzing trace with hash 861206730, now seen corresponding path program 1 times [2019-09-20 13:06:35,062 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:35,062 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:35,066 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:35,067 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:35,067 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:35,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:35,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:06:35,251 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:06:35,252 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-09-20 13:06:35,253 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-09-20 13:06:35,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-09-20 13:06:35,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-09-20 13:06:35,254 INFO L87 Difference]: Start difference. First operand 203 states and 230 transitions. Second operand 10 states. [2019-09-20 13:06:35,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:35,930 INFO L93 Difference]: Finished difference Result 650 states and 804 transitions. [2019-09-20 13:06:35,930 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-09-20 13:06:35,930 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 79 [2019-09-20 13:06:35,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:35,942 INFO L225 Difference]: With dead ends: 650 [2019-09-20 13:06:35,942 INFO L226 Difference]: Without dead ends: 471 [2019-09-20 13:06:35,944 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2019-09-20 13:06:35,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2019-09-20 13:06:35,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 461. [2019-09-20 13:06:35,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 461 states. [2019-09-20 13:06:36,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 461 states and 541 transitions. [2019-09-20 13:06:36,002 INFO L78 Accepts]: Start accepts. Automaton has 461 states and 541 transitions. Word has length 79 [2019-09-20 13:06:36,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:36,002 INFO L475 AbstractCegarLoop]: Abstraction has 461 states and 541 transitions. [2019-09-20 13:06:36,002 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-09-20 13:06:36,003 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 541 transitions. [2019-09-20 13:06:36,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2019-09-20 13:06:36,006 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:36,006 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:06:36,007 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:36,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:36,007 INFO L82 PathProgramCache]: Analyzing trace with hash 1327678130, now seen corresponding path program 1 times [2019-09-20 13:06:36,007 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:36,007 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:36,010 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:36,010 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:36,010 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:36,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:36,136 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-09-20 13:06:36,137 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:06:36,137 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-20 13:06:36,211 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:36,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:36,373 INFO L256 TraceCheckSpWp]: Trace formula consists of 863 conjuncts, 13 conjunts are in the unsatisfiable core [2019-09-20 13:06:36,395 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:06:36,573 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:06:36,587 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:06:36,588 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [6] total 12 [2019-09-20 13:06:36,589 INFO L454 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-09-20 13:06:36,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-09-20 13:06:36,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2019-09-20 13:06:36,589 INFO L87 Difference]: Start difference. First operand 461 states and 541 transitions. Second operand 12 states. [2019-09-20 13:06:38,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:38,698 INFO L93 Difference]: Finished difference Result 1339 states and 1757 transitions. [2019-09-20 13:06:38,698 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2019-09-20 13:06:38,699 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 138 [2019-09-20 13:06:38,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:38,706 INFO L225 Difference]: With dead ends: 1339 [2019-09-20 13:06:38,706 INFO L226 Difference]: Without dead ends: 902 [2019-09-20 13:06:38,708 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=162, Invalid=650, Unknown=0, NotChecked=0, Total=812 [2019-09-20 13:06:38,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 902 states. [2019-09-20 13:06:38,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 902 to 821. [2019-09-20 13:06:38,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 821 states. [2019-09-20 13:06:38,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 821 states and 1002 transitions. [2019-09-20 13:06:38,776 INFO L78 Accepts]: Start accepts. Automaton has 821 states and 1002 transitions. Word has length 138 [2019-09-20 13:06:38,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:38,777 INFO L475 AbstractCegarLoop]: Abstraction has 821 states and 1002 transitions. [2019-09-20 13:06:38,777 INFO L476 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-09-20 13:06:38,777 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 1002 transitions. [2019-09-20 13:06:38,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2019-09-20 13:06:38,780 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:38,780 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:06:38,780 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:38,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:38,781 INFO L82 PathProgramCache]: Analyzing trace with hash 1681399932, now seen corresponding path program 1 times [2019-09-20 13:06:38,781 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:38,781 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:38,783 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:38,784 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:38,784 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:38,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:38,881 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-09-20 13:06:38,882 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:06:38,882 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-20 13:06:38,943 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:39,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:39,063 INFO L256 TraceCheckSpWp]: Trace formula consists of 846 conjuncts, 5 conjunts are in the unsatisfiable core [2019-09-20 13:06:39,069 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:06:39,118 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (3)] Exception during sending of exit command (exit): Broken pipe [2019-09-20 13:06:39,124 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:06:39,124 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2019-09-20 13:06:39,125 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-09-20 13:06:39,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-09-20 13:06:39,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2019-09-20 13:06:39,126 INFO L87 Difference]: Start difference. First operand 821 states and 1002 transitions. Second operand 11 states. [2019-09-20 13:06:39,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:39,205 INFO L93 Difference]: Finished difference Result 1485 states and 1848 transitions. [2019-09-20 13:06:39,205 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-20 13:06:39,206 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 130 [2019-09-20 13:06:39,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:39,211 INFO L225 Difference]: With dead ends: 1485 [2019-09-20 13:06:39,211 INFO L226 Difference]: Without dead ends: 688 [2019-09-20 13:06:39,214 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2019-09-20 13:06:39,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 688 states. [2019-09-20 13:06:39,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 688 to 688. [2019-09-20 13:06:39,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 688 states. [2019-09-20 13:06:39,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 688 states and 826 transitions. [2019-09-20 13:06:39,303 INFO L78 Accepts]: Start accepts. Automaton has 688 states and 826 transitions. Word has length 130 [2019-09-20 13:06:39,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:39,304 INFO L475 AbstractCegarLoop]: Abstraction has 688 states and 826 transitions. [2019-09-20 13:06:39,304 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-09-20 13:06:39,304 INFO L276 IsEmpty]: Start isEmpty. Operand 688 states and 826 transitions. [2019-09-20 13:06:39,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2019-09-20 13:06:39,306 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:39,306 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:06:39,306 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:39,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:39,307 INFO L82 PathProgramCache]: Analyzing trace with hash 34208085, now seen corresponding path program 1 times [2019-09-20 13:06:39,307 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:39,307 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:39,309 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:39,309 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:39,309 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:39,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:39,420 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-09-20 13:06:39,421 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:06:39,421 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-20 13:06:39,421 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-20 13:06:39,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-20 13:06:39,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:06:39,422 INFO L87 Difference]: Start difference. First operand 688 states and 826 transitions. Second operand 6 states. [2019-09-20 13:06:39,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:39,481 INFO L93 Difference]: Finished difference Result 1304 states and 1588 transitions. [2019-09-20 13:06:39,482 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-20 13:06:39,482 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 134 [2019-09-20 13:06:39,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:39,487 INFO L225 Difference]: With dead ends: 1304 [2019-09-20 13:06:39,487 INFO L226 Difference]: Without dead ends: 703 [2019-09-20 13:06:39,490 INFO L636 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 [2019-09-20 13:06:39,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 703 states. [2019-09-20 13:06:39,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 703 to 703. [2019-09-20 13:06:39,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 703 states. [2019-09-20 13:06:39,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 703 states to 703 states and 841 transitions. [2019-09-20 13:06:39,533 INFO L78 Accepts]: Start accepts. Automaton has 703 states and 841 transitions. Word has length 134 [2019-09-20 13:06:39,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:39,534 INFO L475 AbstractCegarLoop]: Abstraction has 703 states and 841 transitions. [2019-09-20 13:06:39,534 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-20 13:06:39,534 INFO L276 IsEmpty]: Start isEmpty. Operand 703 states and 841 transitions. [2019-09-20 13:06:39,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2019-09-20 13:06:39,537 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:39,537 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:06:39,538 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:39,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:39,538 INFO L82 PathProgramCache]: Analyzing trace with hash -475265005, now seen corresponding path program 1 times [2019-09-20 13:06:39,538 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:39,538 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:39,541 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:39,541 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:39,541 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:39,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:39,636 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-09-20 13:06:39,636 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:06:39,636 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-20 13:06:39,637 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-20 13:06:39,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-20 13:06:39,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:06:39,637 INFO L87 Difference]: Start difference. First operand 703 states and 841 transitions. Second operand 6 states. [2019-09-20 13:06:39,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:39,825 INFO L93 Difference]: Finished difference Result 720 states and 860 transitions. [2019-09-20 13:06:39,826 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-20 13:06:39,826 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 134 [2019-09-20 13:06:39,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:39,830 INFO L225 Difference]: With dead ends: 720 [2019-09-20 13:06:39,831 INFO L226 Difference]: Without dead ends: 717 [2019-09-20 13:06:39,831 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-20 13:06:39,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 717 states. [2019-09-20 13:06:39,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 717 to 703. [2019-09-20 13:06:39,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 703 states. [2019-09-20 13:06:39,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 703 states to 703 states and 837 transitions. [2019-09-20 13:06:39,880 INFO L78 Accepts]: Start accepts. Automaton has 703 states and 837 transitions. Word has length 134 [2019-09-20 13:06:39,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:39,882 INFO L475 AbstractCegarLoop]: Abstraction has 703 states and 837 transitions. [2019-09-20 13:06:39,882 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-20 13:06:39,882 INFO L276 IsEmpty]: Start isEmpty. Operand 703 states and 837 transitions. [2019-09-20 13:06:39,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2019-09-20 13:06:39,884 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:39,885 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:06:39,885 INFO L418 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:39,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:39,885 INFO L82 PathProgramCache]: Analyzing trace with hash -1918338429, now seen corresponding path program 1 times [2019-09-20 13:06:39,885 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:39,886 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:39,888 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:39,889 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:39,889 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:39,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:40,062 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 19 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-09-20 13:06:40,062 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:06:40,063 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-20 13:06:40,124 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:40,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:40,266 INFO L256 TraceCheckSpWp]: Trace formula consists of 861 conjuncts, 11 conjunts are in the unsatisfiable core [2019-09-20 13:06:40,272 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:06:40,410 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:06:40,422 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-20 13:06:40,423 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 14 [2019-09-20 13:06:40,424 INFO L454 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-09-20 13:06:40,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-09-20 13:06:40,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2019-09-20 13:06:40,425 INFO L87 Difference]: Start difference. First operand 703 states and 837 transitions. Second operand 14 states. [2019-09-20 13:06:42,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:42,522 INFO L93 Difference]: Finished difference Result 1400 states and 1752 transitions. [2019-09-20 13:06:42,522 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-09-20 13:06:42,523 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 138 [2019-09-20 13:06:42,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:42,530 INFO L225 Difference]: With dead ends: 1400 [2019-09-20 13:06:42,530 INFO L226 Difference]: Without dead ends: 784 [2019-09-20 13:06:42,534 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 141 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=173, Invalid=529, Unknown=0, NotChecked=0, Total=702 [2019-09-20 13:06:42,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 784 states. [2019-09-20 13:06:42,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 784 to 685. [2019-09-20 13:06:42,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 685 states. [2019-09-20 13:06:42,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 685 states and 815 transitions. [2019-09-20 13:06:42,595 INFO L78 Accepts]: Start accepts. Automaton has 685 states and 815 transitions. Word has length 138 [2019-09-20 13:06:42,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:42,596 INFO L475 AbstractCegarLoop]: Abstraction has 685 states and 815 transitions. [2019-09-20 13:06:42,596 INFO L476 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-09-20 13:06:42,596 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 815 transitions. [2019-09-20 13:06:42,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2019-09-20 13:06:42,601 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:42,602 INFO L407 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-09-20 13:06:42,602 INFO L418 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:42,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:42,603 INFO L82 PathProgramCache]: Analyzing trace with hash -1150491295, now seen corresponding path program 2 times [2019-09-20 13:06:42,603 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:42,603 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:42,606 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:42,606 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:42,606 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:42,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:42,929 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 50 proven. 26 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-09-20 13:06:42,929 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:06:42,929 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-20 13:06:43,001 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-09-20 13:06:43,173 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-09-20 13:06:43,174 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-20 13:06:43,179 INFO L256 TraceCheckSpWp]: Trace formula consists of 987 conjuncts, 16 conjunts are in the unsatisfiable core [2019-09-20 13:06:43,184 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:06:43,276 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-20 13:06:43,365 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (5)] Exception during sending of exit command (exit): Broken pipe [2019-09-20 13:06:43,374 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:06:43,374 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [10] total 16 [2019-09-20 13:06:43,377 INFO L454 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-09-20 13:06:43,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-09-20 13:06:43,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2019-09-20 13:06:43,379 INFO L87 Difference]: Start difference. First operand 685 states and 815 transitions. Second operand 16 states. [2019-09-20 13:06:46,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:46,263 INFO L93 Difference]: Finished difference Result 1750 states and 2172 transitions. [2019-09-20 13:06:46,264 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-09-20 13:06:46,264 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 192 [2019-09-20 13:06:46,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:46,273 INFO L225 Difference]: With dead ends: 1750 [2019-09-20 13:06:46,273 INFO L226 Difference]: Without dead ends: 1150 [2019-09-20 13:06:46,276 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=186, Invalid=684, Unknown=0, NotChecked=0, Total=870 [2019-09-20 13:06:46,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1150 states. [2019-09-20 13:06:46,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1150 to 997. [2019-09-20 13:06:46,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 997 states. [2019-09-20 13:06:46,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 997 states to 997 states and 1165 transitions. [2019-09-20 13:06:46,343 INFO L78 Accepts]: Start accepts. Automaton has 997 states and 1165 transitions. Word has length 192 [2019-09-20 13:06:46,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:46,344 INFO L475 AbstractCegarLoop]: Abstraction has 997 states and 1165 transitions. [2019-09-20 13:06:46,344 INFO L476 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-09-20 13:06:46,344 INFO L276 IsEmpty]: Start isEmpty. Operand 997 states and 1165 transitions. [2019-09-20 13:06:46,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2019-09-20 13:06:46,348 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:46,349 INFO L407 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-09-20 13:06:46,349 INFO L418 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:46,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:46,349 INFO L82 PathProgramCache]: Analyzing trace with hash 1185901215, now seen corresponding path program 1 times [2019-09-20 13:06:46,349 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:46,350 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:46,351 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:46,352 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-20 13:06:46,352 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:46,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:46,489 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 41 proven. 8 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2019-09-20 13:06:46,490 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:06:46,490 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-20 13:06:46,570 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:46,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:46,715 INFO L256 TraceCheckSpWp]: Trace formula consists of 988 conjuncts, 6 conjunts are in the unsatisfiable core [2019-09-20 13:06:46,720 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:06:46,845 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2019-09-20 13:06:46,858 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:06:46,859 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2019-09-20 13:06:46,862 INFO L454 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-09-20 13:06:46,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-09-20 13:06:46,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2019-09-20 13:06:46,863 INFO L87 Difference]: Start difference. First operand 997 states and 1165 transitions. Second operand 13 states. [2019-09-20 13:06:46,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:46,947 INFO L93 Difference]: Finished difference Result 1270 states and 1484 transitions. [2019-09-20 13:06:46,947 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-20 13:06:46,947 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 192 [2019-09-20 13:06:46,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:46,949 INFO L225 Difference]: With dead ends: 1270 [2019-09-20 13:06:46,949 INFO L226 Difference]: Without dead ends: 0 [2019-09-20 13:06:46,952 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2019-09-20 13:06:46,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-20 13:06:46,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-20 13:06:46,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-20 13:06:46,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-20 13:06:46,953 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 192 [2019-09-20 13:06:46,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:46,954 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-20 13:06:46,954 INFO L476 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-09-20 13:06:46,954 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-20 13:06:46,954 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-20 13:06:46,959 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-09-20 13:06:47,919 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 31 [2019-09-20 13:06:48,166 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 25 [2019-09-20 13:06:48,795 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 29 [2019-09-20 13:06:49,798 INFO L443 ceAbstractionStarter]: For program point L123(lines 123 127) no Hoare annotation was computed. [2019-09-20 13:06:49,798 INFO L443 ceAbstractionStarter]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2019-09-20 13:06:49,799 INFO L443 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2019-09-20 13:06:49,799 INFO L443 ceAbstractionStarter]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2019-09-20 13:06:49,799 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2019-09-20 13:06:49,800 INFO L443 ceAbstractionStarter]: For program point L139(lines 116 140) no Hoare annotation was computed. [2019-09-20 13:06:49,800 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2019-09-20 13:06:49,800 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2019-09-20 13:06:49,800 INFO L443 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-09-20 13:06:49,800 INFO L443 ceAbstractionStarter]: For program point L193-1(line 193) no Hoare annotation was computed. [2019-09-20 13:06:49,800 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2019-09-20 13:06:49,800 INFO L443 ceAbstractionStarter]: For program point L180(lines 180 184) no Hoare annotation was computed. [2019-09-20 13:06:49,801 INFO L443 ceAbstractionStarter]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2019-09-20 13:06:49,801 INFO L443 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2019-09-20 13:06:49,801 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2019-09-20 13:06:49,801 INFO L443 ceAbstractionStarter]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2019-09-20 13:06:49,801 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2019-09-20 13:06:49,801 INFO L443 ceAbstractionStarter]: For program point L200(lines 173 201) no Hoare annotation was computed. [2019-09-20 13:06:49,801 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 566 572) the Hoare annotation is: true [2019-09-20 13:06:49,801 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 566 572) no Hoare annotation was computed. [2019-09-20 13:06:49,801 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 573 581) no Hoare annotation was computed. [2019-09-20 13:06:49,801 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 573 581) the Hoare annotation is: true [2019-09-20 13:06:49,802 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 573 581) no Hoare annotation was computed. [2019-09-20 13:06:49,802 INFO L443 ceAbstractionStarter]: For program point L417(lines 417 430) no Hoare annotation was computed. [2019-09-20 13:06:49,802 INFO L443 ceAbstractionStarter]: For program point L417-1(lines 409 433) no Hoare annotation was computed. [2019-09-20 13:06:49,802 INFO L446 ceAbstractionStarter]: At program point L415(line 415) the Hoare annotation is: true [2019-09-20 13:06:49,802 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 409 433) the Hoare annotation is: true [2019-09-20 13:06:49,802 INFO L443 ceAbstractionStarter]: For program point L415-1(line 415) no Hoare annotation was computed. [2019-09-20 13:06:49,802 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 409 433) no Hoare annotation was computed. [2019-09-20 13:06:49,802 INFO L439 ceAbstractionStarter]: At program point L423(line 423) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 ~pumpRunning~0)) (not (<= 1 ~waterLevel~0)) .cse0) (or (not (<= 2 ~waterLevel~0)) .cse0))) [2019-09-20 13:06:49,802 INFO L443 ceAbstractionStarter]: For program point L421(lines 421 427) no Hoare annotation was computed. [2019-09-20 13:06:49,802 INFO L439 ceAbstractionStarter]: At program point L419(line 419) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 ~pumpRunning~0)) (not (<= 1 ~waterLevel~0)) .cse0) (or (not (<= 2 ~waterLevel~0)) .cse0))) [2019-09-20 13:06:49,802 INFO L443 ceAbstractionStarter]: For program point L419-1(line 419) no Hoare annotation was computed. [2019-09-20 13:06:49,803 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 515 537) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-09-20 13:06:49,803 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 515 537) no Hoare annotation was computed. [2019-09-20 13:06:49,803 INFO L439 ceAbstractionStarter]: At program point L527(line 527) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~4 ~systemActive~0) (= main_~tmp~4 ~waterLevel~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-09-20 13:06:49,803 INFO L439 ceAbstractionStarter]: At program point L527-1(line 527) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~4 ~systemActive~0) (= main_~tmp~4 ~waterLevel~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-09-20 13:06:49,803 INFO L443 ceAbstractionStarter]: For program point L525(lines 525 532) no Hoare annotation was computed. [2019-09-20 13:06:49,803 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 515 537) no Hoare annotation was computed. [2019-09-20 13:06:49,804 INFO L443 ceAbstractionStarter]: For program point L525-1(lines 525 532) no Hoare annotation was computed. [2019-09-20 13:06:49,804 INFO L443 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2019-09-20 13:06:49,804 INFO L439 ceAbstractionStarter]: At program point L522(line 522) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-09-20 13:06:49,805 INFO L439 ceAbstractionStarter]: At program point L521(line 521) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-09-20 13:06:49,805 INFO L439 ceAbstractionStarter]: At program point L521-1(line 521) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-09-20 13:06:49,805 INFO L443 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2019-09-20 13:06:49,805 INFO L443 ceAbstractionStarter]: For program point L480(line 480) no Hoare annotation was computed. [2019-09-20 13:06:49,805 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 470 493) no Hoare annotation was computed. [2019-09-20 13:06:49,805 INFO L443 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2019-09-20 13:06:49,805 INFO L443 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2019-09-20 13:06:49,806 INFO L443 ceAbstractionStarter]: For program point L477(line 477) no Hoare annotation was computed. [2019-09-20 13:06:49,806 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 470 493) no Hoare annotation was computed. [2019-09-20 13:06:49,807 INFO L443 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2019-09-20 13:06:49,807 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 470 493) no Hoare annotation was computed. [2019-09-20 13:06:49,807 INFO L443 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2019-09-20 13:06:49,807 INFO L443 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2019-09-20 13:06:49,807 INFO L443 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2019-09-20 13:06:49,807 INFO L443 ceAbstractionStarter]: For program point L486(line 486) no Hoare annotation was computed. [2019-09-20 13:06:49,807 INFO L443 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2019-09-20 13:06:49,807 INFO L443 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2019-09-20 13:06:49,807 INFO L443 ceAbstractionStarter]: For program point L483(line 483) no Hoare annotation was computed. [2019-09-20 13:06:49,808 INFO L443 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2019-09-20 13:06:49,808 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 807 815) no Hoare annotation was computed. [2019-09-20 13:06:49,808 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 807 815) the Hoare annotation is: true [2019-09-20 13:06:49,808 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 807 815) no Hoare annotation was computed. [2019-09-20 13:06:49,808 INFO L443 ceAbstractionStarter]: For program point L880(lines 880 884) no Hoare annotation was computed. [2019-09-20 13:06:49,808 INFO L446 ceAbstractionStarter]: At program point L878(line 878) the Hoare annotation is: true [2019-09-20 13:06:49,808 INFO L443 ceAbstractionStarter]: For program point L880-2(lines 880 884) no Hoare annotation was computed. [2019-09-20 13:06:49,808 INFO L443 ceAbstractionStarter]: For program point L878-1(line 878) no Hoare annotation was computed. [2019-09-20 13:06:49,809 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 871 889) the Hoare annotation is: true [2019-09-20 13:06:49,809 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 871 889) no Hoare annotation was computed. [2019-09-20 13:06:49,809 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 871 889) no Hoare annotation was computed. [2019-09-20 13:06:49,809 INFO L443 ceAbstractionStarter]: For program point L835-2(lines 835 843) no Hoare annotation was computed. [2019-09-20 13:06:49,809 INFO L443 ceAbstractionStarter]: For program point L823(lines 823 831) no Hoare annotation was computed. [2019-09-20 13:06:49,810 INFO L443 ceAbstractionStarter]: For program point L823-2(lines 823 831) no Hoare annotation was computed. [2019-09-20 13:06:49,810 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 816 851) no Hoare annotation was computed. [2019-09-20 13:06:49,810 INFO L443 ceAbstractionStarter]: For program point L846(line 846) no Hoare annotation was computed. [2019-09-20 13:06:49,810 INFO L443 ceAbstractionStarter]: For program point L846-1(line 846) no Hoare annotation was computed. [2019-09-20 13:06:49,810 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 816 851) no Hoare annotation was computed. [2019-09-20 13:06:49,810 INFO L443 ceAbstractionStarter]: For program point L835(lines 835 843) no Hoare annotation was computed. [2019-09-20 13:06:49,811 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 816 851) no Hoare annotation was computed. [2019-09-20 13:06:49,811 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 559 565) no Hoare annotation was computed. [2019-09-20 13:06:49,811 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 559 565) the Hoare annotation is: true [2019-09-20 13:06:49,811 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2019-09-20 13:06:49,811 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2019-09-20 13:06:49,811 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2019-09-20 13:06:49,811 INFO L443 ceAbstractionStarter]: For program point L379(lines 379 386) no Hoare annotation was computed. [2019-09-20 13:06:49,811 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2019-09-20 13:06:49,812 INFO L443 ceAbstractionStarter]: For program point L373(lines 373 393) no Hoare annotation was computed. [2019-09-20 13:06:49,812 INFO L443 ceAbstractionStarter]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2019-09-20 13:06:49,812 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2019-09-20 13:06:49,812 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2019-09-20 13:06:49,812 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 502 511) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-09-20 13:06:49,812 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 502 511) no Hoare annotation was computed. [2019-09-20 13:06:49,812 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 502 511) no Hoare annotation was computed. [2019-09-20 13:06:49,812 INFO L443 ceAbstractionStarter]: For program point L801(line 801) no Hoare annotation was computed. [2019-09-20 13:06:49,813 INFO L443 ceAbstractionStarter]: For program point L801-1(line 801) no Hoare annotation was computed. [2019-09-20 13:06:49,813 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 796 806) no Hoare annotation was computed. [2019-09-20 13:06:49,813 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 796 806) no Hoare annotation was computed. [2019-09-20 13:06:49,813 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 796 806) no Hoare annotation was computed. [2019-09-20 13:06:49,813 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 788 795) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= ~systemActive~0 1)) (= 0 |old(~pumpRunning~0)|)) [2019-09-20 13:06:49,813 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 788 795) no Hoare annotation was computed. [2019-09-20 13:06:49,813 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 788 795) no Hoare annotation was computed. [2019-09-20 13:06:49,813 INFO L443 ceAbstractionStarter]: For program point L671(lines 671 677) no Hoare annotation was computed. [2019-09-20 13:06:49,813 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 667 680) no Hoare annotation was computed. [2019-09-20 13:06:49,814 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 667 680) the Hoare annotation is: true [2019-09-20 13:06:49,814 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 667 680) no Hoare annotation was computed. [2019-09-20 13:06:49,814 INFO L439 ceAbstractionStarter]: At program point L769(line 769) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= ~systemActive~0 1))) [2019-09-20 13:06:49,814 INFO L439 ceAbstractionStarter]: At program point L765(line 765) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (and (= 1 processEnvironment_~tmp~6) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2019-09-20 13:06:49,814 INFO L443 ceAbstractionStarter]: For program point L763(lines 763 771) no Hoare annotation was computed. [2019-09-20 13:06:49,814 INFO L439 ceAbstractionStarter]: At program point L761(line 761) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2019-09-20 13:06:49,814 INFO L443 ceAbstractionStarter]: For program point L761-1(line 761) no Hoare annotation was computed. [2019-09-20 13:06:49,815 INFO L443 ceAbstractionStarter]: For program point L759(lines 759 776) no Hoare annotation was computed. [2019-09-20 13:06:49,815 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 755 779) no Hoare annotation was computed. [2019-09-20 13:06:49,815 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 755 779) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= ~systemActive~0 1))) [2019-09-20 13:06:49,815 INFO L439 ceAbstractionStarter]: At program point L774(line 774) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (= 0 |old(~pumpRunning~0)|)) (or (= ~pumpRunning~0 0) .cse0 .cse1))) [2019-09-20 13:06:49,815 INFO L443 ceAbstractionStarter]: For program point L774-1(lines 755 779) no Hoare annotation was computed. [2019-09-20 13:06:49,815 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 721 727) no Hoare annotation was computed. [2019-09-20 13:06:49,815 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 721 727) the Hoare annotation is: true [2019-09-20 13:06:49,815 INFO L443 ceAbstractionStarter]: For program point L929(lines 929 935) no Hoare annotation was computed. [2019-09-20 13:06:49,816 INFO L443 ceAbstractionStarter]: For program point L929-1(lines 929 935) no Hoare annotation was computed. [2019-09-20 13:06:49,816 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 899 964) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-09-20 13:06:49,816 INFO L439 ceAbstractionStarter]: At program point L954(lines 909 956) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 2 ~waterLevel~0) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0)))) [2019-09-20 13:06:49,816 INFO L439 ceAbstractionStarter]: At program point L921(line 921) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (not (= |old(~systemActive~0)| 1)) (and (<= 2 ~waterLevel~0) (and .cse0 .cse1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0)))) [2019-09-20 13:06:49,816 INFO L443 ceAbstractionStarter]: For program point L919(lines 919 925) no Hoare annotation was computed. [2019-09-20 13:06:49,816 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 899 964) no Hoare annotation was computed. [2019-09-20 13:06:49,816 INFO L443 ceAbstractionStarter]: For program point L919-1(lines 919 925) no Hoare annotation was computed. [2019-09-20 13:06:49,817 INFO L443 ceAbstractionStarter]: For program point L911(lines 911 915) no Hoare annotation was computed. [2019-09-20 13:06:49,817 INFO L439 ceAbstractionStarter]: At program point L957(lines 908 958) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-09-20 13:06:49,817 INFO L443 ceAbstractionStarter]: For program point L947(lines 947 951) no Hoare annotation was computed. [2019-09-20 13:06:49,817 INFO L439 ceAbstractionStarter]: At program point L947-2(lines 939 952) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (and .cse0 (<= 2 ~waterLevel~0) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2019-09-20 13:06:49,817 INFO L443 ceAbstractionStarter]: For program point L910(lines 909 956) no Hoare annotation was computed. [2019-09-20 13:06:49,817 INFO L439 ceAbstractionStarter]: At program point L941(line 941) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (and .cse0 (<= 2 ~waterLevel~0) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2019-09-20 13:06:49,817 INFO L443 ceAbstractionStarter]: For program point L939(lines 939 952) no Hoare annotation was computed. [2019-09-20 13:06:49,818 INFO L439 ceAbstractionStarter]: At program point L931(line 931) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (and .cse0 (<= 2 ~waterLevel~0) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2019-09-20 13:06:49,818 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 899 964) no Hoare annotation was computed. [2019-09-20 13:06:49,818 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2019-09-20 13:06:49,818 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2019-09-20 13:06:49,818 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2019-09-20 13:06:49,818 INFO L443 ceAbstractionStarter]: For program point L333(lines 333 340) no Hoare annotation was computed. [2019-09-20 13:06:49,818 INFO L443 ceAbstractionStarter]: For program point L327(lines 327 347) no Hoare annotation was computed. [2019-09-20 13:06:49,818 INFO L443 ceAbstractionStarter]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2019-09-20 13:06:49,819 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 681 689) no Hoare annotation was computed. [2019-09-20 13:06:49,819 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 681 689) the Hoare annotation is: true [2019-09-20 13:06:49,819 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 681 689) no Hoare annotation was computed. [2019-09-20 13:06:49,819 INFO L443 ceAbstractionStarter]: For program point L643-2(lines 643 651) no Hoare annotation was computed. [2019-09-20 13:06:49,819 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 635 657) no Hoare annotation was computed. [2019-09-20 13:06:49,819 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 635 657) no Hoare annotation was computed. [2019-09-20 13:06:49,819 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 635 657) no Hoare annotation was computed. [2019-09-20 13:06:49,819 INFO L443 ceAbstractionStarter]: For program point L643(lines 643 651) no Hoare annotation was computed. [2019-09-20 13:06:49,819 INFO L443 ceAbstractionStarter]: For program point L256(lines 256 297) no Hoare annotation was computed. [2019-09-20 13:06:49,820 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2019-09-20 13:06:49,820 INFO L443 ceAbstractionStarter]: For program point L275(line 275) no Hoare annotation was computed. [2019-09-20 13:06:49,820 INFO L443 ceAbstractionStarter]: For program point L275-1(line 275) no Hoare annotation was computed. [2019-09-20 13:06:49,820 INFO L443 ceAbstractionStarter]: For program point L234(lines 234 238) no Hoare annotation was computed. [2019-09-20 13:06:49,820 INFO L443 ceAbstractionStarter]: For program point L298(lines 298 309) no Hoare annotation was computed. [2019-09-20 13:06:49,820 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2019-09-20 13:06:49,820 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 265) no Hoare annotation was computed. [2019-09-20 13:06:49,820 INFO L443 ceAbstractionStarter]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2019-09-20 13:06:49,821 INFO L443 ceAbstractionStarter]: For program point L280(lines 258 281) no Hoare annotation was computed. [2019-09-20 13:06:49,821 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2019-09-20 13:06:49,821 INFO L443 ceAbstractionStarter]: For program point L239(lines 239 255) no Hoare annotation was computed. [2019-09-20 13:06:49,821 INFO L443 ceAbstractionStarter]: For program point L299(lines 299 306) no Hoare annotation was computed. [2019-09-20 13:06:49,821 INFO L443 ceAbstractionStarter]: For program point L260(lines 259 279) no Hoare annotation was computed. [2019-09-20 13:06:49,821 INFO L443 ceAbstractionStarter]: For program point L291(line 291) no Hoare annotation was computed. [2019-09-20 13:06:49,821 INFO L443 ceAbstractionStarter]: For program point L291-1(line 291) no Hoare annotation was computed. [2019-09-20 13:06:49,821 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 549 558) no Hoare annotation was computed. [2019-09-20 13:06:49,821 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 549 558) no Hoare annotation was computed. [2019-09-20 13:06:49,822 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 549 558) no Hoare annotation was computed. [2019-09-20 13:06:49,822 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:06:49,822 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) [2019-09-20 13:06:49,822 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:06:49,822 INFO L443 ceAbstractionStarter]: For program point activatePumpFINAL(lines 780 787) no Hoare annotation was computed. [2019-09-20 13:06:49,823 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 780 787) no Hoare annotation was computed. [2019-09-20 13:06:49,823 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 780 787) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 2 ~waterLevel~0)) (not (= ~systemActive~0 1)) (= ~pumpRunning~0 0)) [2019-09-20 13:06:49,823 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 658 666) the Hoare annotation is: true [2019-09-20 13:06:49,823 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 658 666) no Hoare annotation was computed. [2019-09-20 13:06:49,823 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 658 666) no Hoare annotation was computed. [2019-09-20 13:06:49,823 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 852 870) no Hoare annotation was computed. [2019-09-20 13:06:49,823 INFO L443 ceAbstractionStarter]: For program point L861(lines 861 865) no Hoare annotation was computed. [2019-09-20 13:06:49,824 INFO L446 ceAbstractionStarter]: At program point L859(line 859) the Hoare annotation is: true [2019-09-20 13:06:49,824 INFO L443 ceAbstractionStarter]: For program point L861-2(lines 861 865) no Hoare annotation was computed. [2019-09-20 13:06:49,824 INFO L443 ceAbstractionStarter]: For program point L859-1(line 859) no Hoare annotation was computed. [2019-09-20 13:06:49,824 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 852 870) the Hoare annotation is: true [2019-09-20 13:06:49,824 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 852 870) no Hoare annotation was computed. [2019-09-20 13:06:49,824 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:06:49,824 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-09-20 13:06:49,824 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:06:49,824 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 614 625) the Hoare annotation is: true [2019-09-20 13:06:49,825 INFO L443 ceAbstractionStarter]: For program point L618-1(lines 614 625) no Hoare annotation was computed. [2019-09-20 13:06:49,825 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 614 625) no Hoare annotation was computed. [2019-09-20 13:06:49,825 INFO L439 ceAbstractionStarter]: At program point L703(line 703) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (or (not (<= 2 |old(~waterLevel~0)|)) .cse0)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) .cse0))) [2019-09-20 13:06:49,825 INFO L443 ceAbstractionStarter]: For program point L701(lines 700 719) no Hoare annotation was computed. [2019-09-20 13:06:49,825 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 697 720) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 0)) (not (<= 1 |old(~waterLevel~0)|)) .cse1) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) (or (not (<= 2 |old(~waterLevel~0)|)) .cse1)))) [2019-09-20 13:06:49,825 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 697 720) no Hoare annotation was computed. [2019-09-20 13:06:49,825 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 697 720) no Hoare annotation was computed. [2019-09-20 13:06:49,826 INFO L439 ceAbstractionStarter]: At program point L710(line 710) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0) (not (<= 1 |old(~waterLevel~0)|)) .cse1) (let ((.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (or (and .cse2 .cse0) (let ((.cse3 (+ ~waterLevel~0 1))) (and (<= .cse3 |old(~waterLevel~0)|) .cse2 (<= |old(~waterLevel~0)| .cse3))) (or (not (<= 2 |old(~waterLevel~0)|)) .cse1))))) [2019-09-20 13:06:49,827 INFO L439 ceAbstractionStarter]: At program point L708(lines 708 714) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse2 (= ~pumpRunning~0 0))) (and (or (let ((.cse1 (+ ~waterLevel~0 1))) (and .cse0 (<= .cse1 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| .cse1) .cse2)) (= |old(~waterLevel~0)| ~waterLevel~0) (or (not (<= 2 |old(~waterLevel~0)|)) .cse3)) (or (not (< |old(~waterLevel~0)| 2)) .cse0 (not (<= 1 |old(~waterLevel~0)|)) .cse3 (and (<= 1 ~waterLevel~0) .cse2 (< ~waterLevel~0 2))))) [2019-09-20 13:06:49,827 INFO L443 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2019-09-20 13:06:49,827 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 437 466) no Hoare annotation was computed. [2019-09-20 13:06:49,827 INFO L446 ceAbstractionStarter]: At program point L447-2(lines 447 461) the Hoare annotation is: true [2019-09-20 13:06:49,827 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 437 466) the Hoare annotation is: true [2019-09-20 13:06:49,827 INFO L446 ceAbstractionStarter]: At program point L443(line 443) the Hoare annotation is: true [2019-09-20 13:06:49,827 INFO L443 ceAbstractionStarter]: For program point L443-1(line 443) no Hoare annotation was computed. [2019-09-20 13:06:49,827 INFO L446 ceAbstractionStarter]: At program point L462(lines 437 466) the Hoare annotation is: true [2019-09-20 13:06:49,827 INFO L443 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2019-09-20 13:06:49,828 INFO L443 ceAbstractionStarter]: For program point L451(lines 451 455) no Hoare annotation was computed. [2019-09-20 13:06:49,828 INFO L446 ceAbstractionStarter]: At program point L451-1(lines 451 455) the Hoare annotation is: true [2019-09-20 13:06:49,828 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalENTRY(lines 626 634) no Hoare annotation was computed. [2019-09-20 13:06:49,828 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 626 634) no Hoare annotation was computed. [2019-09-20 13:06:49,828 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 626 634) no Hoare annotation was computed. [2019-09-20 13:06:49,829 INFO L443 ceAbstractionStarter]: For program point L594-1(lines 590 601) no Hoare annotation was computed. [2019-09-20 13:06:49,829 INFO L439 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 590 601) the Hoare annotation is: (or (or (not (= ~systemActive~0 1)) (= 0 ~pumpRunning~0)) (not (<= 2 |old(~waterLevel~0)|)) (= |old(~waterLevel~0)| ~waterLevel~0)) [2019-09-20 13:06:49,829 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 590 601) no Hoare annotation was computed. [2019-09-20 13:06:49,829 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 494 500) no Hoare annotation was computed. [2019-09-20 13:06:49,829 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 494 500) the Hoare annotation is: true [2019-09-20 13:06:49,830 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:06:49,830 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2)) [2019-09-20 13:06:49,830 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-09-20 13:06:49,830 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:06:49,830 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 890 897) no Hoare annotation was computed. [2019-09-20 13:06:49,830 INFO L439 ceAbstractionStarter]: At program point startSystemENTRY(lines 890 897) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (not (= |old(~systemActive~0)| 1)))) (and (or (not (= 0 ~pumpRunning~0)) .cse0 (not (<= 1 ~waterLevel~0)) .cse1) (or .cse0 (or (not (<= 2 ~waterLevel~0)) .cse1)))) [2019-09-20 13:06:49,830 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 890 897) no Hoare annotation was computed. [2019-09-20 13:06:49,830 INFO L443 ceAbstractionStarter]: For program point L737(lines 737 745) no Hoare annotation was computed. [2019-09-20 13:06:49,831 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 729 753) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (<= 1 ~waterLevel~0)) (not (= ~systemActive~0 1))) [2019-09-20 13:06:49,831 INFO L439 ceAbstractionStarter]: At program point L735(line 735) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (<= 1 ~waterLevel~0)) (not (= ~systemActive~0 1))) [2019-09-20 13:06:49,831 INFO L443 ceAbstractionStarter]: For program point L735-1(line 735) no Hoare annotation was computed. [2019-09-20 13:06:49,831 INFO L443 ceAbstractionStarter]: For program point L733(lines 733 750) no Hoare annotation was computed. [2019-09-20 13:06:49,831 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 729 753) no Hoare annotation was computed. [2019-09-20 13:06:49,831 INFO L439 ceAbstractionStarter]: At program point L748(line 748) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~waterLevel~0)) (not (= ~systemActive~0 1))) [2019-09-20 13:06:49,831 INFO L443 ceAbstractionStarter]: For program point L748-1(lines 729 753) no Hoare annotation was computed. [2019-09-20 13:06:49,831 INFO L439 ceAbstractionStarter]: At program point L743(line 743) the Hoare annotation is: (or (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~5) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~waterLevel~0)) (not (= ~systemActive~0 1))) [2019-09-20 13:06:49,832 INFO L439 ceAbstractionStarter]: At program point L739(line 739) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~waterLevel~0)) (not (= ~systemActive~0 1)) (and (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0))) [2019-09-20 13:06:49,832 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 602 613) no Hoare annotation was computed. [2019-09-20 13:06:49,832 INFO L443 ceAbstractionStarter]: For program point L606-1(lines 602 613) no Hoare annotation was computed. [2019-09-20 13:06:49,832 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 602 613) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (<= 1 |old(~waterLevel~0)|)) (or (not (= 0 ~pumpRunning~0)) .cse1)) (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|))))) [2019-09-20 13:06:49,832 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 539 546) no Hoare annotation was computed. [2019-09-20 13:06:49,832 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 543) no Hoare annotation was computed. [2019-09-20 13:06:49,832 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 539 546) the Hoare annotation is: true [2019-09-20 13:06:49,832 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 539 546) no Hoare annotation was computed. [2019-09-20 13:06:49,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:06:49 BoogieIcfgContainer [2019-09-20 13:06:49,853 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-20 13:06:49,856 INFO L168 Benchmark]: Toolchain (without parser) took 19142.69 ms. Allocated memory was 132.1 MB in the beginning and 524.8 MB in the end (delta: 392.7 MB). Free memory was 86.1 MB in the beginning and 350.5 MB in the end (delta: -264.4 MB). Peak memory consumption was 408.2 MB. Max. memory is 7.1 GB. [2019-09-20 13:06:49,858 INFO L168 Benchmark]: CDTParser took 0.47 ms. Allocated memory is still 132.1 MB. Free memory was 105.1 MB in the beginning and 104.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 13:06:49,865 INFO L168 Benchmark]: CACSL2BoogieTranslator took 701.26 ms. Allocated memory was 132.1 MB in the beginning and 198.7 MB in the end (delta: 66.6 MB). Free memory was 85.6 MB in the beginning and 162.8 MB in the end (delta: -77.2 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. [2019-09-20 13:06:49,866 INFO L168 Benchmark]: Boogie Preprocessor took 110.69 ms. Allocated memory is still 198.7 MB. Free memory was 162.8 MB in the beginning and 159.0 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2019-09-20 13:06:49,868 INFO L168 Benchmark]: RCFGBuilder took 1437.02 ms. Allocated memory was 198.7 MB in the beginning and 221.8 MB in the end (delta: 23.1 MB). Free memory was 158.4 MB in the beginning and 188.1 MB in the end (delta: -29.7 MB). Peak memory consumption was 90.1 MB. Max. memory is 7.1 GB. [2019-09-20 13:06:49,870 INFO L168 Benchmark]: TraceAbstraction took 16887.60 ms. Allocated memory was 221.8 MB in the beginning and 524.8 MB in the end (delta: 303.0 MB). Free memory was 186.8 MB in the beginning and 350.5 MB in the end (delta: -163.7 MB). Peak memory consumption was 419.3 MB. Max. memory is 7.1 GB. [2019-09-20 13:06:49,881 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47 ms. Allocated memory is still 132.1 MB. Free memory was 105.1 MB in the beginning and 104.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 701.26 ms. Allocated memory was 132.1 MB in the beginning and 198.7 MB in the end (delta: 66.6 MB). Free memory was 85.6 MB in the beginning and 162.8 MB in the end (delta: -77.2 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 110.69 ms. Allocated memory is still 198.7 MB. Free memory was 162.8 MB in the beginning and 159.0 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1437.02 ms. Allocated memory was 198.7 MB in the beginning and 221.8 MB in the end (delta: 23.1 MB). Free memory was 158.4 MB in the beginning and 188.1 MB in the end (delta: -29.7 MB). Peak memory consumption was 90.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 16887.60 ms. Allocated memory was 221.8 MB in the beginning and 524.8 MB in the end (delta: 303.0 MB). Free memory was 186.8 MB in the beginning and 350.5 MB in the end (delta: -163.7 MB). Peak memory consumption was 419.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 543]: 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: 908]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 437]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 909]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || ((1 == systemActive && 2 <= waterLevel) && 0 == splverifierCounter)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || (((1 == systemActive && 0 == splverifierCounter) && 1 <= waterLevel) && pumpRunning == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 239 locations, 1 error locations. SAFE Result, 16.7s OverallTime, 12 OverallIterations, 3 TraceHistogramMax, 9.2s AutomataDifference, 0.0s DeadEndRemovalTime, 2.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 1964 SDtfs, 2338 SDslu, 6257 SDs, 0 SdLazy, 6124 SolverSat, 1259 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 970 GetRequests, 824 SyntacticMatches, 1 SemanticMatches, 145 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 488 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=997occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 12 MinimizatonAttempts, 376 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 60 LocationsWithAnnotation, 2008 PreInvPairs, 2061 NumberOfFragments, 971 HoareAnnotationTreeSize, 2008 FomulaSimplifications, 6282 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 60 FomulaSimplificationsInter, 5665 FormulaSimplificationTreeSizeReductionInter, 2.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 2137 NumberOfCodeBlocks, 2137 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 2120 ConstructedInterpolants, 0 QuantifiedInterpolants, 454959 SizeOfPredicates, 17 NumberOfNonLiveVariables, 4545 ConjunctsInSsa, 51 ConjunctsInUnsatCore, 17 InterpolantComputations, 11 PerfectInterpolantSequences, 609/664 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...