java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product52.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 21:22:50,531 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 21:22:50,533 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 21:22:50,546 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 21:22:50,546 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 21:22:50,547 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 21:22:50,549 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 21:22:50,551 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 21:22:50,552 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 21:22:50,553 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 21:22:50,555 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 21:22:50,556 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 21:22:50,557 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 21:22:50,558 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 21:22:50,559 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 21:22:50,563 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 21:22:50,564 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 21:22:50,564 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 21:22:50,566 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 21:22:50,568 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 21:22:50,569 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 21:22:50,571 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 21:22:50,572 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 21:22:50,572 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 21:22:50,575 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 21:22:50,575 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 21:22:50,575 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 21:22:50,576 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 21:22:50,576 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 21:22:50,577 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 21:22:50,578 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 21:22:50,579 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 21:22:50,579 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 21:22:50,580 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 21:22:50,581 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 21:22:50,581 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 21:22:50,582 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 21:22:50,582 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 21:22:50,583 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 21:22:50,584 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 21:22:50,587 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 21:22:50,588 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 21:22:50,605 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 21:22:50,606 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 21:22:50,608 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 21:22:50,609 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 21:22:50,609 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 21:22:50,609 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 21:22:50,609 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 21:22:50,610 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 21:22:50,610 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 21:22:50,610 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 21:22:50,611 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 21:22:50,611 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 21:22:50,611 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 21:22:50,612 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 21:22:50,612 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 21:22:50,612 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 21:22:50,612 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 21:22:50,613 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 21:22:50,613 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 21:22:50,613 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 21:22:50,613 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 21:22:50,614 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:22:50,614 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 21:22:50,614 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 21:22:50,614 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 21:22:50,614 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 21:22:50,615 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 21:22:50,615 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 21:22:50,615 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-13 21:22:50,910 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 21:22:50,926 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 21:22:50,930 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 21:22:50,931 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 21:22:50,932 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 21:22:50,933 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product52.cil.c [2019-10-13 21:22:51,003 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e71f1085/91252d277825427db07d136a57a4b5ef/FLAG7bf9a596e [2019-10-13 21:22:51,526 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 21:22:51,526 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product52.cil.c [2019-10-13 21:22:51,548 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e71f1085/91252d277825427db07d136a57a4b5ef/FLAG7bf9a596e [2019-10-13 21:22:51,827 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e71f1085/91252d277825427db07d136a57a4b5ef [2019-10-13 21:22:51,835 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 21:22:51,836 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 21:22:51,837 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 21:22:51,837 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 21:22:51,841 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 21:22:51,842 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:22:51" (1/1) ... [2019-10-13 21:22:51,845 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@419573bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:51, skipping insertion in model container [2019-10-13 21:22:51,845 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:22:51" (1/1) ... [2019-10-13 21:22:51,851 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 21:22:51,908 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 21:22:52,352 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:22:52,378 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 21:22:52,508 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:22:52,545 INFO L192 MainTranslator]: Completed translation [2019-10-13 21:22:52,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:52 WrapperNode [2019-10-13 21:22:52,546 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 21:22:52,547 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 21:22:52,547 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 21:22:52,547 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 21:22:52,560 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:52" (1/1) ... [2019-10-13 21:22:52,560 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:52" (1/1) ... [2019-10-13 21:22:52,583 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:52" (1/1) ... [2019-10-13 21:22:52,584 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:52" (1/1) ... [2019-10-13 21:22:52,613 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:52" (1/1) ... [2019-10-13 21:22:52,626 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:52" (1/1) ... [2019-10-13 21:22:52,632 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:52" (1/1) ... [2019-10-13 21:22:52,640 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 21:22:52,640 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 21:22:52,641 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 21:22:52,641 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 21:22:52,642 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:52" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:22:52,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 21:22:52,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 21:22:52,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 21:22:52,706 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 21:22:52,706 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 21:22:52,706 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 21:22:52,707 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 21:22:52,707 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 21:22:52,707 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 21:22:52,707 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 21:22:52,707 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 21:22:52,707 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 21:22:52,708 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 21:22:52,708 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 21:22:52,708 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 21:22:52,708 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-10-13 21:22:52,710 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-10-13 21:22:52,711 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-10-13 21:22:52,711 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 21:22:52,711 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 21:22:52,711 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 21:22:52,712 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 21:22:52,712 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 21:22:52,712 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 21:22:52,712 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-13 21:22:52,714 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-13 21:22:52,714 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 21:22:52,714 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 21:22:52,714 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-13 21:22:52,715 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-13 21:22:52,715 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 21:22:52,715 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 21:22:52,715 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 21:22:52,715 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 21:22:52,715 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 21:22:52,716 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 21:22:52,716 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-13 21:22:52,716 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-13 21:22:52,716 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-13 21:22:52,716 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-13 21:22:52,717 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 21:22:52,717 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 21:22:52,717 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 21:22:52,717 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 21:22:52,717 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 21:22:52,718 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 21:22:52,718 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 21:22:52,718 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 21:22:52,718 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 21:22:52,718 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 21:22:52,718 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 21:22:52,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 21:22:52,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 21:22:52,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 21:22:52,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 21:22:52,719 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 21:22:52,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 21:22:52,719 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 21:22:52,719 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 21:22:52,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 21:22:52,720 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 21:22:52,720 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 21:22:52,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 21:22:52,721 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 21:22:52,721 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 21:22:52,721 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 21:22:52,721 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 21:22:52,721 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 21:22:52,721 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 21:22:52,721 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 21:22:52,722 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 21:22:52,722 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-10-13 21:22:52,722 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 21:22:52,723 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 21:22:52,723 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 21:22:52,723 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 21:22:52,723 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 21:22:52,723 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 21:22:52,723 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 21:22:52,724 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 21:22:52,724 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 21:22:52,724 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-10-13 21:22:52,725 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-10-13 21:22:52,725 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 21:22:52,725 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 21:22:52,726 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 21:22:52,726 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-13 21:22:52,727 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-13 21:22:52,727 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-13 21:22:52,727 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-13 21:22:52,727 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 21:22:52,727 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 21:22:52,728 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 21:22:52,728 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-13 21:22:52,728 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-13 21:22:52,728 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-13 21:22:52,728 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-13 21:22:52,728 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 21:22:52,729 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 21:22:52,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 21:22:52,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 21:22:52,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 21:22:53,860 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 21:22:53,861 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 21:22:53,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:22:53 BoogieIcfgContainer [2019-10-13 21:22:53,864 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 21:22:53,867 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 21:22:53,867 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 21:22:53,871 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 21:22:53,871 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:22:51" (1/3) ... [2019-10-13 21:22:53,873 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6116b291 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:22:53, skipping insertion in model container [2019-10-13 21:22:53,874 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:52" (2/3) ... [2019-10-13 21:22:53,874 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6116b291 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:22:53, skipping insertion in model container [2019-10-13 21:22:53,874 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:22:53" (3/3) ... [2019-10-13 21:22:53,876 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product52.cil.c [2019-10-13 21:22:53,887 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 21:22:53,898 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 21:22:53,909 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 21:22:53,939 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 21:22:53,939 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 21:22:53,939 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 21:22:53,939 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 21:22:53,940 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 21:22:53,940 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 21:22:53,940 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 21:22:53,940 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 21:22:53,965 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states. [2019-10-13 21:22:53,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-10-13 21:22:53,976 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:53,978 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:53,980 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:53,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:53,986 INFO L82 PathProgramCache]: Analyzing trace with hash -1089631799, now seen corresponding path program 1 times [2019-10-13 21:22:53,996 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:53,997 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412611658] [2019-10-13 21:22:53,997 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:53,997 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:53,998 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:54,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:54,355 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:54,356 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412611658] [2019-10-13 21:22:54,357 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:54,358 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 21:22:54,359 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512731932] [2019-10-13 21:22:54,366 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:22:54,368 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:54,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:22:54,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:22:54,386 INFO L87 Difference]: Start difference. First operand 191 states. Second operand 2 states. [2019-10-13 21:22:54,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:54,450 INFO L93 Difference]: Finished difference Result 292 states and 361 transitions. [2019-10-13 21:22:54,450 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:22:54,453 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2019-10-13 21:22:54,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:54,476 INFO L225 Difference]: With dead ends: 292 [2019-10-13 21:22:54,477 INFO L226 Difference]: Without dead ends: 148 [2019-10-13 21:22:54,486 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:22:54,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2019-10-13 21:22:54,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2019-10-13 21:22:54,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2019-10-13 21:22:54,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 174 transitions. [2019-10-13 21:22:54,556 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 174 transitions. Word has length 59 [2019-10-13 21:22:54,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:54,557 INFO L462 AbstractCegarLoop]: Abstraction has 148 states and 174 transitions. [2019-10-13 21:22:54,557 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:22:54,557 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 174 transitions. [2019-10-13 21:22:54,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-10-13 21:22:54,561 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:54,561 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:54,562 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:54,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:54,562 INFO L82 PathProgramCache]: Analyzing trace with hash -1975382983, now seen corresponding path program 1 times [2019-10-13 21:22:54,563 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:54,563 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658044065] [2019-10-13 21:22:54,563 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:54,563 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:54,563 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:54,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:54,722 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:54,722 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658044065] [2019-10-13 21:22:54,723 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:54,723 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:22:54,723 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266748852] [2019-10-13 21:22:54,726 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:22:54,727 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:54,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:22:54,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:22:54,727 INFO L87 Difference]: Start difference. First operand 148 states and 174 transitions. Second operand 3 states. [2019-10-13 21:22:54,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:54,781 INFO L93 Difference]: Finished difference Result 231 states and 271 transitions. [2019-10-13 21:22:54,782 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:22:54,782 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2019-10-13 21:22:54,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:54,786 INFO L225 Difference]: With dead ends: 231 [2019-10-13 21:22:54,786 INFO L226 Difference]: Without dead ends: 139 [2019-10-13 21:22:54,788 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:22:54,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2019-10-13 21:22:54,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2019-10-13 21:22:54,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2019-10-13 21:22:54,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 162 transitions. [2019-10-13 21:22:54,809 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 162 transitions. Word has length 60 [2019-10-13 21:22:54,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:54,809 INFO L462 AbstractCegarLoop]: Abstraction has 139 states and 162 transitions. [2019-10-13 21:22:54,810 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:22:54,810 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 162 transitions. [2019-10-13 21:22:54,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-10-13 21:22:54,812 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:54,813 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:54,813 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:54,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:54,813 INFO L82 PathProgramCache]: Analyzing trace with hash 1007889166, now seen corresponding path program 1 times [2019-10-13 21:22:54,814 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:54,814 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090686051] [2019-10-13 21:22:54,814 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:54,814 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:54,814 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:54,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:55,039 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:55,039 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090686051] [2019-10-13 21:22:55,040 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:55,040 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 21:22:55,040 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041879379] [2019-10-13 21:22:55,041 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 21:22:55,041 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:55,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 21:22:55,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:22:55,042 INFO L87 Difference]: Start difference. First operand 139 states and 162 transitions. Second operand 7 states. [2019-10-13 21:22:55,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:55,622 INFO L93 Difference]: Finished difference Result 417 states and 506 transitions. [2019-10-13 21:22:55,622 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 21:22:55,622 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65 [2019-10-13 21:22:55,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:55,632 INFO L225 Difference]: With dead ends: 417 [2019-10-13 21:22:55,632 INFO L226 Difference]: Without dead ends: 306 [2019-10-13 21:22:55,634 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-13 21:22:55,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2019-10-13 21:22:55,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 294. [2019-10-13 21:22:55,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 294 states. [2019-10-13 21:22:55,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 356 transitions. [2019-10-13 21:22:55,702 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 356 transitions. Word has length 65 [2019-10-13 21:22:55,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:55,703 INFO L462 AbstractCegarLoop]: Abstraction has 294 states and 356 transitions. [2019-10-13 21:22:55,703 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 21:22:55,703 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 356 transitions. [2019-10-13 21:22:55,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-10-13 21:22:55,706 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:55,707 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:55,707 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:55,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:55,707 INFO L82 PathProgramCache]: Analyzing trace with hash 1025318737, now seen corresponding path program 1 times [2019-10-13 21:22:55,708 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:55,708 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284714261] [2019-10-13 21:22:55,708 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:55,708 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:55,709 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:55,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:55,863 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 21:22:55,864 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284714261] [2019-10-13 21:22:55,864 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:55,865 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 21:22:55,865 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500404119] [2019-10-13 21:22:55,866 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 21:22:55,866 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:55,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 21:22:55,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:22:55,871 INFO L87 Difference]: Start difference. First operand 294 states and 356 transitions. Second operand 7 states. [2019-10-13 21:22:56,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:56,734 INFO L93 Difference]: Finished difference Result 744 states and 968 transitions. [2019-10-13 21:22:56,735 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-13 21:22:56,735 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 70 [2019-10-13 21:22:56,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:56,740 INFO L225 Difference]: With dead ends: 744 [2019-10-13 21:22:56,741 INFO L226 Difference]: Without dead ends: 478 [2019-10-13 21:22:56,743 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-13 21:22:56,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 478 states. [2019-10-13 21:22:56,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 478 to 424. [2019-10-13 21:22:56,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 424 states. [2019-10-13 21:22:56,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 511 transitions. [2019-10-13 21:22:56,797 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 511 transitions. Word has length 70 [2019-10-13 21:22:56,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:56,797 INFO L462 AbstractCegarLoop]: Abstraction has 424 states and 511 transitions. [2019-10-13 21:22:56,797 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 21:22:56,798 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 511 transitions. [2019-10-13 21:22:56,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-10-13 21:22:56,801 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:56,801 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:56,801 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:56,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:56,802 INFO L82 PathProgramCache]: Analyzing trace with hash -2085443903, now seen corresponding path program 1 times [2019-10-13 21:22:56,802 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:56,802 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952301862] [2019-10-13 21:22:56,803 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:56,803 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:56,803 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:56,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:56,907 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:56,908 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952301862] [2019-10-13 21:22:56,908 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:56,908 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 21:22:56,908 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548861847] [2019-10-13 21:22:56,909 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 21:22:56,909 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:56,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 21:22:56,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 21:22:56,910 INFO L87 Difference]: Start difference. First operand 424 states and 511 transitions. Second operand 6 states. [2019-10-13 21:22:56,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:56,964 INFO L93 Difference]: Finished difference Result 830 states and 1019 transitions. [2019-10-13 21:22:56,964 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 21:22:56,964 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 93 [2019-10-13 21:22:56,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:56,968 INFO L225 Difference]: With dead ends: 830 [2019-10-13 21:22:56,969 INFO L226 Difference]: Without dead ends: 434 [2019-10-13 21:22:56,971 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:22:56,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2019-10-13 21:22:57,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 434. [2019-10-13 21:22:57,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 434 states. [2019-10-13 21:22:57,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 521 transitions. [2019-10-13 21:22:57,007 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 521 transitions. Word has length 93 [2019-10-13 21:22:57,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:57,008 INFO L462 AbstractCegarLoop]: Abstraction has 434 states and 521 transitions. [2019-10-13 21:22:57,008 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 21:22:57,008 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 521 transitions. [2019-10-13 21:22:57,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-10-13 21:22:57,010 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:57,011 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:57,011 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:57,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:57,011 INFO L82 PathProgramCache]: Analyzing trace with hash -1383844029, now seen corresponding path program 1 times [2019-10-13 21:22:57,012 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:57,012 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957214433] [2019-10-13 21:22:57,012 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:57,012 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:57,012 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:57,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:57,140 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:57,141 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957214433] [2019-10-13 21:22:57,142 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:57,142 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-13 21:22:57,142 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621711550] [2019-10-13 21:22:57,145 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 21:22:57,145 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:57,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 21:22:57,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:22:57,146 INFO L87 Difference]: Start difference. First operand 434 states and 521 transitions. Second operand 8 states. [2019-10-13 21:22:57,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:57,197 INFO L93 Difference]: Finished difference Result 854 states and 1058 transitions. [2019-10-13 21:22:57,198 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:22:57,198 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 93 [2019-10-13 21:22:57,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:57,202 INFO L225 Difference]: With dead ends: 854 [2019-10-13 21:22:57,202 INFO L226 Difference]: Without dead ends: 448 [2019-10-13 21:22:57,204 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:22:57,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2019-10-13 21:22:57,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 442. [2019-10-13 21:22:57,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 442 states. [2019-10-13 21:22:57,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 529 transitions. [2019-10-13 21:22:57,239 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 529 transitions. Word has length 93 [2019-10-13 21:22:57,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:57,241 INFO L462 AbstractCegarLoop]: Abstraction has 442 states and 529 transitions. [2019-10-13 21:22:57,242 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 21:22:57,242 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 529 transitions. [2019-10-13 21:22:57,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-10-13 21:22:57,245 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:57,246 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:57,246 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:57,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:57,246 INFO L82 PathProgramCache]: Analyzing trace with hash 341636868, now seen corresponding path program 1 times [2019-10-13 21:22:57,246 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:57,247 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272849329] [2019-10-13 21:22:57,247 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:57,247 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:57,247 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:57,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:57,369 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:57,369 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272849329] [2019-10-13 21:22:57,369 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:57,370 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 21:22:57,370 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615991651] [2019-10-13 21:22:57,370 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 21:22:57,370 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:57,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 21:22:57,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 21:22:57,371 INFO L87 Difference]: Start difference. First operand 442 states and 529 transitions. Second operand 4 states. [2019-10-13 21:22:57,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:57,669 INFO L93 Difference]: Finished difference Result 1416 states and 1774 transitions. [2019-10-13 21:22:57,670 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-13 21:22:57,670 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 93 [2019-10-13 21:22:57,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:57,677 INFO L225 Difference]: With dead ends: 1416 [2019-10-13 21:22:57,677 INFO L226 Difference]: Without dead ends: 1002 [2019-10-13 21:22:57,679 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 21:22:57,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1002 states. [2019-10-13 21:22:57,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1002 to 985. [2019-10-13 21:22:57,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 985 states. [2019-10-13 21:22:57,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 985 states to 985 states and 1208 transitions. [2019-10-13 21:22:57,750 INFO L78 Accepts]: Start accepts. Automaton has 985 states and 1208 transitions. Word has length 93 [2019-10-13 21:22:57,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:57,751 INFO L462 AbstractCegarLoop]: Abstraction has 985 states and 1208 transitions. [2019-10-13 21:22:57,751 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 21:22:57,751 INFO L276 IsEmpty]: Start isEmpty. Operand 985 states and 1208 transitions. [2019-10-13 21:22:57,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2019-10-13 21:22:57,754 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:57,754 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:57,754 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:57,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:57,755 INFO L82 PathProgramCache]: Analyzing trace with hash -643321942, now seen corresponding path program 1 times [2019-10-13 21:22:57,755 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:57,755 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44083737] [2019-10-13 21:22:57,755 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:57,756 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:57,756 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:57,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:57,952 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:57,952 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44083737] [2019-10-13 21:22:57,952 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:57,953 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-13 21:22:57,953 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161657855] [2019-10-13 21:22:57,953 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 21:22:57,954 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:57,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 21:22:57,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-10-13 21:22:57,954 INFO L87 Difference]: Start difference. First operand 985 states and 1208 transitions. Second operand 9 states. [2019-10-13 21:22:59,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:59,138 INFO L93 Difference]: Finished difference Result 2700 states and 3468 transitions. [2019-10-13 21:22:59,138 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-13 21:22:59,138 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 97 [2019-10-13 21:22:59,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:59,154 INFO L225 Difference]: With dead ends: 2700 [2019-10-13 21:22:59,154 INFO L226 Difference]: Without dead ends: 1929 [2019-10-13 21:22:59,160 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2019-10-13 21:22:59,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1929 states. [2019-10-13 21:22:59,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1929 to 1696. [2019-10-13 21:22:59,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1696 states. [2019-10-13 21:22:59,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1696 states to 1696 states and 2047 transitions. [2019-10-13 21:22:59,286 INFO L78 Accepts]: Start accepts. Automaton has 1696 states and 2047 transitions. Word has length 97 [2019-10-13 21:22:59,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:59,290 INFO L462 AbstractCegarLoop]: Abstraction has 1696 states and 2047 transitions. [2019-10-13 21:22:59,290 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 21:22:59,290 INFO L276 IsEmpty]: Start isEmpty. Operand 1696 states and 2047 transitions. [2019-10-13 21:22:59,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2019-10-13 21:22:59,296 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:59,297 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:59,297 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:59,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:59,298 INFO L82 PathProgramCache]: Analyzing trace with hash -1477147143, now seen corresponding path program 1 times [2019-10-13 21:22:59,298 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:59,299 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288296948] [2019-10-13 21:22:59,299 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:59,299 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:59,299 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:59,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:59,490 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-13 21:22:59,490 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288296948] [2019-10-13 21:22:59,491 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [421078667] [2019-10-13 21:22:59,491 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:22:59,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:59,729 INFO L256 TraceCheckSpWp]: Trace formula consists of 942 conjuncts, 8 conjunts are in the unsatisfiable core [2019-10-13 21:22:59,743 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:23:00,045 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 28 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:23:00,045 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:23:00,442 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-13 21:23:00,442 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [1175623502] [2019-10-13 21:23:00,448 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 160 [2019-10-13 21:23:00,493 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-13 21:23:00,493 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-13 21:23:00,602 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-13 21:23:00,605 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 69 root evaluator evaluations with a maximum evaluation depth of 0. Performed 69 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 128 variables. [2019-10-13 21:23:00,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:23:00,611 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-13 21:23:00,728 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-13 21:23:00,728 INFO L551 sIntCurrentIteration]: Unifying AI predicates [2019-10-13 21:23:00,733 INFO L553 sIntCurrentIteration]: We unified 158 AI predicates to 158 [2019-10-13 21:23:00,734 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-13 21:23:00,734 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-10-13 21:23:00,735 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [11, 7, 7] total 19 [2019-10-13 21:23:00,735 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641248949] [2019-10-13 21:23:00,736 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:23:00,737 INFO L137 tionRefinementEngine]: Using predicate unifier AbsIntPredicateUnifier provided by strategy TAIPAN [2019-10-13 21:23:00,737 INFO L124 tionRefinementEngine]: Using hoare triple checker CachingHoareTripleCheckerMap provided by strategy [2019-10-13 21:23:00,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:23:00,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:23:00,737 INFO L87 Difference]: Start difference. First operand 1696 states and 2047 transitions. Second operand 2 states. [2019-10-13 21:23:00,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:23:00,759 INFO L93 Difference]: Finished difference Result 1696 states and 2047 transitions. [2019-10-13 21:23:00,759 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:23:00,759 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 159 [2019-10-13 21:23:00,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:23:00,760 INFO L225 Difference]: With dead ends: 1696 [2019-10-13 21:23:00,760 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 21:23:00,765 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:23:00,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 21:23:00,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 21:23:00,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 21:23:00,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 21:23:00,767 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 159 [2019-10-13 21:23:00,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:23:00,767 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 21:23:00,767 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:23:00,767 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 21:23:00,767 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 21:23:00,981 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:23:00,986 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 21:23:01,441 INFO L443 ceAbstractionStarter]: For program point L123(lines 123 127) no Hoare annotation was computed. [2019-10-13 21:23:01,441 INFO L443 ceAbstractionStarter]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2019-10-13 21:23:01,441 INFO L443 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2019-10-13 21:23:01,441 INFO L443 ceAbstractionStarter]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2019-10-13 21:23:01,442 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2019-10-13 21:23:01,442 INFO L443 ceAbstractionStarter]: For program point L139(lines 116 140) no Hoare annotation was computed. [2019-10-13 21:23:01,442 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2019-10-13 21:23:01,442 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2019-10-13 21:23:01,442 INFO L443 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-10-13 21:23:01,442 INFO L443 ceAbstractionStarter]: For program point L193-1(line 193) no Hoare annotation was computed. [2019-10-13 21:23:01,442 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2019-10-13 21:23:01,443 INFO L443 ceAbstractionStarter]: For program point L180(lines 180 184) no Hoare annotation was computed. [2019-10-13 21:23:01,443 INFO L443 ceAbstractionStarter]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2019-10-13 21:23:01,443 INFO L443 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2019-10-13 21:23:01,443 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2019-10-13 21:23:01,443 INFO L443 ceAbstractionStarter]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2019-10-13 21:23:01,443 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2019-10-13 21:23:01,443 INFO L443 ceAbstractionStarter]: For program point L200(lines 173 201) no Hoare annotation was computed. [2019-10-13 21:23:01,444 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 994 1000) the Hoare annotation is: true [2019-10-13 21:23:01,444 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 994 1000) no Hoare annotation was computed. [2019-10-13 21:23:01,444 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 1001 1009) no Hoare annotation was computed. [2019-10-13 21:23:01,444 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 1001 1009) the Hoare annotation is: true [2019-10-13 21:23:01,444 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 1001 1009) no Hoare annotation was computed. [2019-10-13 21:23:01,445 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 524 531) the Hoare annotation is: true [2019-10-13 21:23:01,445 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 524 531) no Hoare annotation was computed. [2019-10-13 21:23:01,445 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 524 531) no Hoare annotation was computed. [2019-10-13 21:23:01,448 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 532 541) the Hoare annotation is: true [2019-10-13 21:23:01,448 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 532 541) no Hoare annotation was computed. [2019-10-13 21:23:01,448 INFO L443 ceAbstractionStarter]: For program point L537(line 537) no Hoare annotation was computed. [2019-10-13 21:23:01,448 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 532 541) no Hoare annotation was computed. [2019-10-13 21:23:01,448 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 542 570) the Hoare annotation is: true [2019-10-13 21:23:01,449 INFO L446 ceAbstractionStarter]: At program point L557(line 557) the Hoare annotation is: true [2019-10-13 21:23:01,449 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 542 570) no Hoare annotation was computed. [2019-10-13 21:23:01,449 INFO L443 ceAbstractionStarter]: For program point L555(lines 555 561) no Hoare annotation was computed. [2019-10-13 21:23:01,449 INFO L443 ceAbstractionStarter]: For program point L554(lines 554 564) no Hoare annotation was computed. [2019-10-13 21:23:01,449 INFO L446 ceAbstractionStarter]: At program point L552(line 552) the Hoare annotation is: true [2019-10-13 21:23:01,449 INFO L443 ceAbstractionStarter]: For program point L552-1(line 552) no Hoare annotation was computed. [2019-10-13 21:23:01,449 INFO L443 ceAbstractionStarter]: For program point L550(lines 550 567) no Hoare annotation was computed. [2019-10-13 21:23:01,450 INFO L443 ceAbstractionStarter]: For program point L550-1(lines 542 570) no Hoare annotation was computed. [2019-10-13 21:23:01,450 INFO L446 ceAbstractionStarter]: At program point L548(line 548) the Hoare annotation is: true [2019-10-13 21:23:01,450 INFO L443 ceAbstractionStarter]: For program point L548-1(line 548) no Hoare annotation was computed. [2019-10-13 21:23:01,450 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 488 510) the Hoare annotation is: true [2019-10-13 21:23:01,450 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 488 510) no Hoare annotation was computed. [2019-10-13 21:23:01,450 INFO L446 ceAbstractionStarter]: At program point L500(line 500) the Hoare annotation is: true [2019-10-13 21:23:01,450 INFO L446 ceAbstractionStarter]: At program point L500-1(line 500) the Hoare annotation is: true [2019-10-13 21:23:01,450 INFO L443 ceAbstractionStarter]: For program point L498(lines 498 505) no Hoare annotation was computed. [2019-10-13 21:23:01,450 INFO L443 ceAbstractionStarter]: For program point L498-1(lines 498 505) no Hoare annotation was computed. [2019-10-13 21:23:01,451 INFO L443 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2019-10-13 21:23:01,451 INFO L446 ceAbstractionStarter]: At program point L495(line 495) the Hoare annotation is: true [2019-10-13 21:23:01,451 INFO L446 ceAbstractionStarter]: At program point L494(line 494) the Hoare annotation is: true [2019-10-13 21:23:01,451 INFO L446 ceAbstractionStarter]: At program point L494-1(line 494) the Hoare annotation is: true [2019-10-13 21:23:01,451 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 488 510) no Hoare annotation was computed. [2019-10-13 21:23:01,451 INFO L443 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2019-10-13 21:23:01,451 INFO L443 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2019-10-13 21:23:01,451 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 441 464) no Hoare annotation was computed. [2019-10-13 21:23:01,452 INFO L443 ceAbstractionStarter]: For program point L447(line 447) no Hoare annotation was computed. [2019-10-13 21:23:01,452 INFO L443 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2019-10-13 21:23:01,452 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 441 464) no Hoare annotation was computed. [2019-10-13 21:23:01,452 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 441 464) no Hoare annotation was computed. [2019-10-13 21:23:01,452 INFO L443 ceAbstractionStarter]: For program point L459(line 459) no Hoare annotation was computed. [2019-10-13 21:23:01,452 INFO L443 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2019-10-13 21:23:01,452 INFO L443 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2019-10-13 21:23:01,452 INFO L443 ceAbstractionStarter]: For program point L456(line 456) no Hoare annotation was computed. [2019-10-13 21:23:01,452 INFO L443 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2019-10-13 21:23:01,453 INFO L443 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2019-10-13 21:23:01,453 INFO L443 ceAbstractionStarter]: For program point L453(line 453) no Hoare annotation was computed. [2019-10-13 21:23:01,453 INFO L443 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2019-10-13 21:23:01,453 INFO L443 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2019-10-13 21:23:01,453 INFO L443 ceAbstractionStarter]: For program point L450(line 450) no Hoare annotation was computed. [2019-10-13 21:23:01,453 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 952 966) no Hoare annotation was computed. [2019-10-13 21:23:01,453 INFO L446 ceAbstractionStarter]: At program point L958(line 958) the Hoare annotation is: true [2019-10-13 21:23:01,453 INFO L443 ceAbstractionStarter]: For program point L956(lines 956 962) no Hoare annotation was computed. [2019-10-13 21:23:01,453 INFO L446 ceAbstractionStarter]: At program point stopSystemENTRY(lines 952 966) the Hoare annotation is: true [2019-10-13 21:23:01,454 INFO L443 ceAbstractionStarter]: For program point stopSystemFINAL(lines 952 966) no Hoare annotation was computed. [2019-10-13 21:23:01,454 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 869 877) no Hoare annotation was computed. [2019-10-13 21:23:01,454 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 869 877) the Hoare annotation is: true [2019-10-13 21:23:01,454 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 869 877) no Hoare annotation was computed. [2019-10-13 21:23:01,454 INFO L443 ceAbstractionStarter]: For program point L942(lines 942 946) no Hoare annotation was computed. [2019-10-13 21:23:01,454 INFO L446 ceAbstractionStarter]: At program point L940(line 940) the Hoare annotation is: true [2019-10-13 21:23:01,454 INFO L443 ceAbstractionStarter]: For program point L942-2(lines 942 946) no Hoare annotation was computed. [2019-10-13 21:23:01,454 INFO L443 ceAbstractionStarter]: For program point L940-1(line 940) no Hoare annotation was computed. [2019-10-13 21:23:01,455 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 933 951) the Hoare annotation is: true [2019-10-13 21:23:01,455 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 933 951) no Hoare annotation was computed. [2019-10-13 21:23:01,455 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 933 951) no Hoare annotation was computed. [2019-10-13 21:23:01,455 INFO L443 ceAbstractionStarter]: For program point L897(lines 897 905) no Hoare annotation was computed. [2019-10-13 21:23:01,455 INFO L443 ceAbstractionStarter]: For program point L897-2(lines 897 905) no Hoare annotation was computed. [2019-10-13 21:23:01,455 INFO L443 ceAbstractionStarter]: For program point L885(lines 885 893) no Hoare annotation was computed. [2019-10-13 21:23:01,455 INFO L443 ceAbstractionStarter]: For program point L885-2(lines 885 893) no Hoare annotation was computed. [2019-10-13 21:23:01,455 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 878 913) no Hoare annotation was computed. [2019-10-13 21:23:01,455 INFO L443 ceAbstractionStarter]: For program point L908(line 908) no Hoare annotation was computed. [2019-10-13 21:23:01,456 INFO L443 ceAbstractionStarter]: For program point L908-1(line 908) no Hoare annotation was computed. [2019-10-13 21:23:01,456 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 878 913) no Hoare annotation was computed. [2019-10-13 21:23:01,456 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 878 913) no Hoare annotation was computed. [2019-10-13 21:23:01,456 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 987 993) no Hoare annotation was computed. [2019-10-13 21:23:01,456 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 987 993) the Hoare annotation is: true [2019-10-13 21:23:01,456 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2019-10-13 21:23:01,456 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2019-10-13 21:23:01,456 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2019-10-13 21:23:01,457 INFO L443 ceAbstractionStarter]: For program point L379(lines 379 386) no Hoare annotation was computed. [2019-10-13 21:23:01,457 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2019-10-13 21:23:01,457 INFO L443 ceAbstractionStarter]: For program point L373(lines 373 393) no Hoare annotation was computed. [2019-10-13 21:23:01,457 INFO L443 ceAbstractionStarter]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2019-10-13 21:23:01,457 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2019-10-13 21:23:01,457 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2019-10-13 21:23:01,457 INFO L446 ceAbstractionStarter]: At program point runTestENTRY(lines 474 484) the Hoare annotation is: true [2019-10-13 21:23:01,457 INFO L446 ceAbstractionStarter]: At program point L479(line 479) the Hoare annotation is: true [2019-10-13 21:23:01,458 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 474 484) no Hoare annotation was computed. [2019-10-13 21:23:01,458 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 474 484) no Hoare annotation was computed. [2019-10-13 21:23:01,458 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 858 868) no Hoare annotation was computed. [2019-10-13 21:23:01,458 INFO L443 ceAbstractionStarter]: For program point L863(line 863) no Hoare annotation was computed. [2019-10-13 21:23:01,458 INFO L443 ceAbstractionStarter]: For program point L863-1(line 863) no Hoare annotation was computed. [2019-10-13 21:23:01,458 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 858 868) no Hoare annotation was computed. [2019-10-13 21:23:01,458 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 858 868) no Hoare annotation was computed. [2019-10-13 21:23:01,458 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 850 857) the Hoare annotation is: true [2019-10-13 21:23:01,458 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 850 857) no Hoare annotation was computed. [2019-10-13 21:23:01,459 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 850 857) no Hoare annotation was computed. [2019-10-13 21:23:01,459 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 656 669) no Hoare annotation was computed. [2019-10-13 21:23:01,459 INFO L443 ceAbstractionStarter]: For program point L660(lines 660 666) no Hoare annotation was computed. [2019-10-13 21:23:01,459 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 656 669) the Hoare annotation is: true [2019-10-13 21:23:01,459 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 656 669) no Hoare annotation was computed. [2019-10-13 21:23:01,459 INFO L446 ceAbstractionStarter]: At program point L831(line 831) the Hoare annotation is: true [2019-10-13 21:23:01,459 INFO L446 ceAbstractionStarter]: At program point L827(line 827) the Hoare annotation is: true [2019-10-13 21:23:01,459 INFO L443 ceAbstractionStarter]: For program point L825(lines 825 833) no Hoare annotation was computed. [2019-10-13 21:23:01,460 INFO L446 ceAbstractionStarter]: At program point L823(line 823) the Hoare annotation is: true [2019-10-13 21:23:01,460 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 817 841) no Hoare annotation was computed. [2019-10-13 21:23:01,460 INFO L443 ceAbstractionStarter]: For program point L823-1(line 823) no Hoare annotation was computed. [2019-10-13 21:23:01,460 INFO L443 ceAbstractionStarter]: For program point L821(lines 821 838) no Hoare annotation was computed. [2019-10-13 21:23:01,460 INFO L446 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 817 841) the Hoare annotation is: true [2019-10-13 21:23:01,460 INFO L446 ceAbstractionStarter]: At program point L836(line 836) the Hoare annotation is: true [2019-10-13 21:23:01,460 INFO L443 ceAbstractionStarter]: For program point L836-1(lines 817 841) no Hoare annotation was computed. [2019-10-13 21:23:01,460 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 783 789) no Hoare annotation was computed. [2019-10-13 21:23:01,461 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 783 789) the Hoare annotation is: true [2019-10-13 21:23:01,461 INFO L446 ceAbstractionStarter]: At program point L704(line 704) the Hoare annotation is: true [2019-10-13 21:23:01,461 INFO L446 ceAbstractionStarter]: At program point testENTRY(lines 682 749) the Hoare annotation is: true [2019-10-13 21:23:01,461 INFO L443 ceAbstractionStarter]: For program point L702(lines 702 708) no Hoare annotation was computed. [2019-10-13 21:23:01,461 INFO L443 ceAbstractionStarter]: For program point L702-1(lines 702 708) no Hoare annotation was computed. [2019-10-13 21:23:01,461 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 682 749) no Hoare annotation was computed. [2019-10-13 21:23:01,461 INFO L443 ceAbstractionStarter]: For program point L694(lines 694 698) no Hoare annotation was computed. [2019-10-13 21:23:01,461 INFO L446 ceAbstractionStarter]: At program point L742(lines 691 743) the Hoare annotation is: true [2019-10-13 21:23:01,462 INFO L446 ceAbstractionStarter]: At program point L732(line 732) the Hoare annotation is: true [2019-10-13 21:23:01,462 INFO L443 ceAbstractionStarter]: For program point L730(lines 730 736) no Hoare annotation was computed. [2019-10-13 21:23:01,462 INFO L446 ceAbstractionStarter]: At program point L730-1(lines 722 737) the Hoare annotation is: true [2019-10-13 21:23:01,462 INFO L443 ceAbstractionStarter]: For program point L693(lines 692 741) no Hoare annotation was computed. [2019-10-13 21:23:01,462 INFO L446 ceAbstractionStarter]: At program point L724(line 724) the Hoare annotation is: true [2019-10-13 21:23:01,462 INFO L443 ceAbstractionStarter]: For program point L722(lines 722 737) no Hoare annotation was computed. [2019-10-13 21:23:01,462 INFO L446 ceAbstractionStarter]: At program point L714(line 714) the Hoare annotation is: true [2019-10-13 21:23:01,462 INFO L443 ceAbstractionStarter]: For program point L712(lines 712 718) no Hoare annotation was computed. [2019-10-13 21:23:01,463 INFO L443 ceAbstractionStarter]: For program point L712-1(lines 712 718) no Hoare annotation was computed. [2019-10-13 21:23:01,463 INFO L446 ceAbstractionStarter]: At program point L739(lines 692 741) the Hoare annotation is: true [2019-10-13 21:23:01,463 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 682 749) no Hoare annotation was computed. [2019-10-13 21:23:01,463 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2019-10-13 21:23:01,463 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2019-10-13 21:23:01,463 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2019-10-13 21:23:01,464 INFO L443 ceAbstractionStarter]: For program point L333(lines 333 340) no Hoare annotation was computed. [2019-10-13 21:23:01,464 INFO L443 ceAbstractionStarter]: For program point L327(lines 327 347) no Hoare annotation was computed. [2019-10-13 21:23:01,464 INFO L443 ceAbstractionStarter]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2019-10-13 21:23:01,465 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 670 678) no Hoare annotation was computed. [2019-10-13 21:23:01,465 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 670 678) the Hoare annotation is: true [2019-10-13 21:23:01,465 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 670 678) no Hoare annotation was computed. [2019-10-13 21:23:01,465 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 624 646) no Hoare annotation was computed. [2019-10-13 21:23:01,465 INFO L443 ceAbstractionStarter]: For program point L632(lines 632 640) no Hoare annotation was computed. [2019-10-13 21:23:01,465 INFO L443 ceAbstractionStarter]: For program point L632-2(lines 632 640) no Hoare annotation was computed. [2019-10-13 21:23:01,465 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 624 646) no Hoare annotation was computed. [2019-10-13 21:23:01,466 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 624 646) no Hoare annotation was computed. [2019-10-13 21:23:01,466 INFO L443 ceAbstractionStarter]: For program point L256(lines 256 297) no Hoare annotation was computed. [2019-10-13 21:23:01,466 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2019-10-13 21:23:01,467 INFO L443 ceAbstractionStarter]: For program point L275(line 275) no Hoare annotation was computed. [2019-10-13 21:23:01,467 INFO L443 ceAbstractionStarter]: For program point L275-1(line 275) no Hoare annotation was computed. [2019-10-13 21:23:01,467 INFO L443 ceAbstractionStarter]: For program point L234(lines 234 238) no Hoare annotation was computed. [2019-10-13 21:23:01,467 INFO L443 ceAbstractionStarter]: For program point L298(lines 298 309) no Hoare annotation was computed. [2019-10-13 21:23:01,467 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2019-10-13 21:23:01,467 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 265) no Hoare annotation was computed. [2019-10-13 21:23:01,467 INFO L443 ceAbstractionStarter]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2019-10-13 21:23:01,467 INFO L443 ceAbstractionStarter]: For program point L280(lines 258 281) no Hoare annotation was computed. [2019-10-13 21:23:01,468 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2019-10-13 21:23:01,468 INFO L443 ceAbstractionStarter]: For program point L239(lines 239 255) no Hoare annotation was computed. [2019-10-13 21:23:01,468 INFO L443 ceAbstractionStarter]: For program point L299(lines 299 306) no Hoare annotation was computed. [2019-10-13 21:23:01,468 INFO L443 ceAbstractionStarter]: For program point L260(lines 259 279) no Hoare annotation was computed. [2019-10-13 21:23:01,468 INFO L443 ceAbstractionStarter]: For program point L291(line 291) no Hoare annotation was computed. [2019-10-13 21:23:01,468 INFO L443 ceAbstractionStarter]: For program point L291-1(line 291) no Hoare annotation was computed. [2019-10-13 21:23:01,468 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 977 986) no Hoare annotation was computed. [2019-10-13 21:23:01,468 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 977 986) no Hoare annotation was computed. [2019-10-13 21:23:01,469 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 977 986) no Hoare annotation was computed. [2019-10-13 21:23:01,469 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:23:01,469 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (or (= 1 ~waterLevel~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2019-10-13 21:23:01,469 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:23:01,469 INFO L443 ceAbstractionStarter]: For program point activatePumpFINAL(lines 842 849) no Hoare annotation was computed. [2019-10-13 21:23:01,469 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 842 849) no Hoare annotation was computed. [2019-10-13 21:23:01,470 INFO L446 ceAbstractionStarter]: At program point activatePumpENTRY(lines 842 849) the Hoare annotation is: true [2019-10-13 21:23:01,470 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 647 655) the Hoare annotation is: true [2019-10-13 21:23:01,471 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 647 655) no Hoare annotation was computed. [2019-10-13 21:23:01,471 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 647 655) no Hoare annotation was computed. [2019-10-13 21:23:01,471 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 914 932) no Hoare annotation was computed. [2019-10-13 21:23:01,471 INFO L443 ceAbstractionStarter]: For program point L923(lines 923 927) no Hoare annotation was computed. [2019-10-13 21:23:01,471 INFO L446 ceAbstractionStarter]: At program point L921(line 921) the Hoare annotation is: true [2019-10-13 21:23:01,471 INFO L443 ceAbstractionStarter]: For program point L923-2(lines 923 927) no Hoare annotation was computed. [2019-10-13 21:23:01,472 INFO L443 ceAbstractionStarter]: For program point L921-1(line 921) no Hoare annotation was computed. [2019-10-13 21:23:01,472 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 914 932) the Hoare annotation is: true [2019-10-13 21:23:01,472 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 914 932) no Hoare annotation was computed. [2019-10-13 21:23:01,472 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:23:01,472 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 21:23:01,472 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:23:01,472 INFO L443 ceAbstractionStarter]: For program point L607-1(lines 603 614) no Hoare annotation was computed. [2019-10-13 21:23:01,472 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 603 614) the Hoare annotation is: true [2019-10-13 21:23:01,473 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 603 614) no Hoare annotation was computed. [2019-10-13 21:23:01,473 INFO L446 ceAbstractionStarter]: At program point L765(line 765) the Hoare annotation is: true [2019-10-13 21:23:01,473 INFO L443 ceAbstractionStarter]: For program point L763(lines 759 781) no Hoare annotation was computed. [2019-10-13 21:23:01,473 INFO L443 ceAbstractionStarter]: For program point L761(lines 759 781) no Hoare annotation was computed. [2019-10-13 21:23:01,473 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 756 782) the Hoare annotation is: true [2019-10-13 21:23:01,474 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 756 782) no Hoare annotation was computed. [2019-10-13 21:23:01,475 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 756 782) no Hoare annotation was computed. [2019-10-13 21:23:01,475 INFO L446 ceAbstractionStarter]: At program point L772(line 772) the Hoare annotation is: true [2019-10-13 21:23:01,475 INFO L446 ceAbstractionStarter]: At program point L770(lines 770 776) the Hoare annotation is: true [2019-10-13 21:23:01,475 INFO L446 ceAbstractionStarter]: At program point L418-2(lines 418 432) the Hoare annotation is: true [2019-10-13 21:23:01,475 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 408 437) no Hoare annotation was computed. [2019-10-13 21:23:01,475 INFO L446 ceAbstractionStarter]: At program point L414(line 414) the Hoare annotation is: true [2019-10-13 21:23:01,475 INFO L443 ceAbstractionStarter]: For program point L414-1(line 414) no Hoare annotation was computed. [2019-10-13 21:23:01,476 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 408 437) the Hoare annotation is: true [2019-10-13 21:23:01,476 INFO L446 ceAbstractionStarter]: At program point L433(lines 408 437) the Hoare annotation is: true [2019-10-13 21:23:01,476 INFO L443 ceAbstractionStarter]: For program point L429(line 429) no Hoare annotation was computed. [2019-10-13 21:23:01,476 INFO L443 ceAbstractionStarter]: For program point L422(lines 422 426) no Hoare annotation was computed. [2019-10-13 21:23:01,476 INFO L446 ceAbstractionStarter]: At program point L422-1(lines 422 426) the Hoare annotation is: true [2019-10-13 21:23:01,476 INFO L443 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2019-10-13 21:23:01,476 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalENTRY(lines 615 623) no Hoare annotation was computed. [2019-10-13 21:23:01,476 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 615 623) no Hoare annotation was computed. [2019-10-13 21:23:01,477 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 615 623) no Hoare annotation was computed. [2019-10-13 21:23:01,477 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 579 590) the Hoare annotation is: true [2019-10-13 21:23:01,477 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 579 590) no Hoare annotation was computed. [2019-10-13 21:23:01,477 INFO L443 ceAbstractionStarter]: For program point L583-1(lines 579 590) no Hoare annotation was computed. [2019-10-13 21:23:01,477 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 465 471) no Hoare annotation was computed. [2019-10-13 21:23:01,477 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 465 471) the Hoare annotation is: true [2019-10-13 21:23:01,477 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:23:01,477 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2019-10-13 21:23:01,478 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 21:23:01,478 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:23:01,478 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 967 974) no Hoare annotation was computed. [2019-10-13 21:23:01,478 INFO L446 ceAbstractionStarter]: At program point startSystemENTRY(lines 967 974) the Hoare annotation is: true [2019-10-13 21:23:01,478 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 967 974) no Hoare annotation was computed. [2019-10-13 21:23:01,478 INFO L446 ceAbstractionStarter]: At program point L801(line 801) the Hoare annotation is: true [2019-10-13 21:23:01,478 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 791 815) the Hoare annotation is: true [2019-10-13 21:23:01,479 INFO L443 ceAbstractionStarter]: For program point L799(lines 799 807) no Hoare annotation was computed. [2019-10-13 21:23:01,479 INFO L446 ceAbstractionStarter]: At program point L797(line 797) the Hoare annotation is: true [2019-10-13 21:23:01,479 INFO L443 ceAbstractionStarter]: For program point L797-1(line 797) no Hoare annotation was computed. [2019-10-13 21:23:01,479 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 791 815) no Hoare annotation was computed. [2019-10-13 21:23:01,479 INFO L443 ceAbstractionStarter]: For program point L795(lines 795 812) no Hoare annotation was computed. [2019-10-13 21:23:01,479 INFO L446 ceAbstractionStarter]: At program point L810(line 810) the Hoare annotation is: true [2019-10-13 21:23:01,479 INFO L443 ceAbstractionStarter]: For program point L810-1(lines 791 815) no Hoare annotation was computed. [2019-10-13 21:23:01,480 INFO L446 ceAbstractionStarter]: At program point L805(line 805) the Hoare annotation is: true [2019-10-13 21:23:01,480 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 591 602) no Hoare annotation was computed. [2019-10-13 21:23:01,480 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 591 602) the Hoare annotation is: true [2019-10-13 21:23:01,480 INFO L443 ceAbstractionStarter]: For program point L595-1(lines 591 602) no Hoare annotation was computed. [2019-10-13 21:23:01,480 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 512 519) no Hoare annotation was computed. [2019-10-13 21:23:01,480 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 512 519) the Hoare annotation is: true [2019-10-13 21:23:01,481 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 516) no Hoare annotation was computed. [2019-10-13 21:23:01,481 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 512 519) no Hoare annotation was computed. [2019-10-13 21:23:01,499 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 09:23:01 BoogieIcfgContainer [2019-10-13 21:23:01,499 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 21:23:01,503 INFO L168 Benchmark]: Toolchain (without parser) took 9664.92 ms. Allocated memory was 135.8 MB in the beginning and 344.5 MB in the end (delta: 208.7 MB). Free memory was 99.8 MB in the beginning and 231.7 MB in the end (delta: -131.9 MB). Peak memory consumption was 231.9 MB. Max. memory is 7.1 GB. [2019-10-13 21:23:01,503 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 135.8 MB. Free memory is still 118.7 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-13 21:23:01,505 INFO L168 Benchmark]: CACSL2BoogieTranslator took 709.27 ms. Allocated memory was 135.8 MB in the beginning and 200.8 MB in the end (delta: 65.0 MB). Free memory was 99.4 MB in the beginning and 168.9 MB in the end (delta: -69.5 MB). Peak memory consumption was 28.7 MB. Max. memory is 7.1 GB. [2019-10-13 21:23:01,506 INFO L168 Benchmark]: Boogie Preprocessor took 93.21 ms. Allocated memory is still 200.8 MB. Free memory was 168.9 MB in the beginning and 164.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2019-10-13 21:23:01,509 INFO L168 Benchmark]: RCFGBuilder took 1223.58 ms. Allocated memory was 200.8 MB in the beginning and 228.6 MB in the end (delta: 27.8 MB). Free memory was 164.6 MB in the beginning and 192.3 MB in the end (delta: -27.7 MB). Peak memory consumption was 88.8 MB. Max. memory is 7.1 GB. [2019-10-13 21:23:01,510 INFO L168 Benchmark]: TraceAbstraction took 7632.30 ms. Allocated memory was 228.6 MB in the beginning and 344.5 MB in the end (delta: 115.9 MB). Free memory was 192.3 MB in the beginning and 231.7 MB in the end (delta: -39.4 MB). Peak memory consumption was 231.6 MB. Max. memory is 7.1 GB. [2019-10-13 21:23:01,521 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 135.8 MB. Free memory is still 118.7 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 709.27 ms. Allocated memory was 135.8 MB in the beginning and 200.8 MB in the end (delta: 65.0 MB). Free memory was 99.4 MB in the beginning and 168.9 MB in the end (delta: -69.5 MB). Peak memory consumption was 28.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 93.21 ms. Allocated memory is still 200.8 MB. Free memory was 168.9 MB in the beginning and 164.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1223.58 ms. Allocated memory was 200.8 MB in the beginning and 228.6 MB in the end (delta: 27.8 MB). Free memory was 164.6 MB in the beginning and 192.3 MB in the end (delta: -27.7 MB). Peak memory consumption was 88.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 7632.30 ms. Allocated memory was 228.6 MB in the beginning and 344.5 MB in the end (delta: 115.9 MB). Free memory was 192.3 MB in the beginning and 231.7 MB in the end (delta: -39.4 MB). Peak memory consumption was 231.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 516]: 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: 418]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 692]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 44 procedures, 255 locations, 1 error locations. Result: SAFE, OverallTime: 7.5s, OverallIterations: 9, TraceHistogramMax: 3, AutomataDifference: 3.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, HoareTripleCheckerStatistics: 1523 SDtfs, 1084 SDslu, 3472 SDs, 0 SdLazy, 1726 SolverSat, 291 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 247 GetRequests, 196 SyntacticMatches, 1 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1696occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 9 MinimizatonAttempts, 322 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 66 LocationsWithAnnotation, 1706 PreInvPairs, 1707 NumberOfFragments, 76 HoareAnnotationTreeSize, 1706 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 66 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 948 NumberOfCodeBlocks, 948 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1096 ConstructedInterpolants, 0 QuantifiedInterpolants, 218726 SizeOfPredicates, 4 NumberOfNonLiveVariables, 942 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 11 InterpolantComputations, 8 PerfectInterpolantSequences, 124/153 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 163, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 1.0, AVG_VARS_REMOVED_DURING_WEAKENING: 0.8481012658227848, AVG_WEAKENED_CONJUNCTS: 0.0, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...