/usr/bin/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 --traceabstraction.trace.refinement.strategy CAMEL_NO_AM -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product47.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-19 21:06:20,676 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-19 21:06:20,678 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-19 21:06:20,690 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-19 21:06:20,690 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-19 21:06:20,691 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-19 21:06:20,692 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-19 21:06:20,694 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-19 21:06:20,696 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-19 21:06:20,697 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-19 21:06:20,698 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-19 21:06:20,699 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-19 21:06:20,699 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-19 21:06:20,700 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-19 21:06:20,701 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-19 21:06:20,702 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-19 21:06:20,703 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-19 21:06:20,704 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-19 21:06:20,705 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-19 21:06:20,707 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-19 21:06:20,709 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-19 21:06:20,710 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-19 21:06:20,711 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-19 21:06:20,712 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-19 21:06:20,715 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-19 21:06:20,715 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-19 21:06:20,715 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-19 21:06:20,716 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-19 21:06:20,717 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-19 21:06:20,718 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-19 21:06:20,718 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-19 21:06:20,719 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-19 21:06:20,719 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-19 21:06:20,720 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-19 21:06:20,721 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-19 21:06:20,721 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-19 21:06:20,722 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-19 21:06:20,722 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-19 21:06:20,722 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-19 21:06:20,723 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-19 21:06:20,724 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-19 21:06:20,725 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 [2020-07-19 21:06:20,744 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-19 21:06:20,745 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-19 21:06:20,748 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-19 21:06:20,748 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-19 21:06:20,750 INFO L138 SettingsManager]: * Use SBE=true [2020-07-19 21:06:20,750 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-19 21:06:20,750 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-19 21:06:20,751 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-19 21:06:20,751 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-19 21:06:20,751 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-19 21:06:20,751 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-19 21:06:20,751 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-19 21:06:20,751 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-19 21:06:20,752 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-19 21:06:20,752 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-19 21:06:20,752 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-19 21:06:20,752 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-19 21:06:20,752 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-19 21:06:20,753 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-19 21:06:20,753 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-19 21:06:20,753 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-19 21:06:20,754 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 21:06:20,755 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-19 21:06:20,755 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-19 21:06:20,755 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-19 21:06:20,755 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-19 21:06:20,755 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-19 21:06:20,756 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-19 21:06:20,756 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-19 21:06:20,756 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_NO_AM [2020-07-19 21:06:21,032 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-19 21:06:21,045 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-19 21:06:21,048 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-19 21:06:21,049 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-19 21:06:21,050 INFO L275 PluginConnector]: CDTParser initialized [2020-07-19 21:06:21,050 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product47.cil.c [2020-07-19 21:06:21,109 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe2fbfd61/18eebfb513764090a75d781e629669b5/FLAGf9606c71a [2020-07-19 21:06:21,628 INFO L306 CDTParser]: Found 1 translation units. [2020-07-19 21:06:21,631 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product47.cil.c [2020-07-19 21:06:21,651 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe2fbfd61/18eebfb513764090a75d781e629669b5/FLAGf9606c71a [2020-07-19 21:06:21,924 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe2fbfd61/18eebfb513764090a75d781e629669b5 [2020-07-19 21:06:21,934 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-19 21:06:21,937 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-19 21:06:21,938 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-19 21:06:21,938 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-19 21:06:21,941 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-19 21:06:21,942 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 09:06:21" (1/1) ... [2020-07-19 21:06:21,945 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e98d2fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:06:21, skipping insertion in model container [2020-07-19 21:06:21,945 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 09:06:21" (1/1) ... [2020-07-19 21:06:21,951 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-19 21:06:21,997 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-19 21:06:22,447 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 21:06:22,468 INFO L203 MainTranslator]: Completed pre-run [2020-07-19 21:06:22,600 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 21:06:22,639 INFO L208 MainTranslator]: Completed translation [2020-07-19 21:06:22,640 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:06:22 WrapperNode [2020-07-19 21:06:22,640 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-19 21:06:22,641 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-19 21:06:22,641 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-19 21:06:22,641 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-19 21:06:22,652 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:06:22" (1/1) ... [2020-07-19 21:06:22,653 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:06:22" (1/1) ... [2020-07-19 21:06:22,671 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:06:22" (1/1) ... [2020-07-19 21:06:22,671 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:06:22" (1/1) ... [2020-07-19 21:06:22,700 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:06:22" (1/1) ... [2020-07-19 21:06:22,710 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:06:22" (1/1) ... [2020-07-19 21:06:22,715 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:06:22" (1/1) ... [2020-07-19 21:06:22,722 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-19 21:06:22,723 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-19 21:06:22,723 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-19 21:06:22,723 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-19 21:06:22,724 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:06:22" (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 [2020-07-19 21:06:22,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-19 21:06:22,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-19 21:06:22,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-19 21:06:22,791 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-19 21:06:22,791 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-19 21:06:22,791 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-19 21:06:22,791 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-07-19 21:06:22,791 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-19 21:06:22,791 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-07-19 21:06:22,792 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-19 21:06:22,792 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-19 21:06:22,792 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-19 21:06:22,793 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-19 21:06:22,793 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-19 21:06:22,794 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-19 21:06:22,794 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-19 21:06:22,795 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-19 21:06:22,795 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-19 21:06:22,795 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-19 21:06:22,796 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-19 21:06:22,796 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-19 21:06:22,796 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-19 21:06:22,796 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-19 21:06:22,796 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-19 21:06:22,796 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-19 21:06:22,797 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-19 21:06:22,797 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-19 21:06:22,797 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-19 21:06:22,798 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-19 21:06:22,798 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-19 21:06:22,798 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-19 21:06:22,798 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-19 21:06:22,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-19 21:06:22,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-19 21:06:22,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-19 21:06:22,800 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-19 21:06:22,800 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-19 21:06:22,800 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-19 21:06:22,801 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-19 21:06:22,801 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-19 21:06:22,801 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-19 21:06:22,801 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-19 21:06:22,802 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-19 21:06:22,802 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-19 21:06:22,802 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-19 21:06:22,802 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-19 21:06:22,802 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-19 21:06:22,802 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-19 21:06:22,802 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-19 21:06:22,803 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-19 21:06:22,803 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-19 21:06:22,803 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-19 21:06:22,803 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-19 21:06:22,803 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-19 21:06:22,803 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-19 21:06:22,803 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-19 21:06:22,804 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-19 21:06:22,804 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-19 21:06:22,804 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-19 21:06:22,804 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-19 21:06:22,804 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-19 21:06:22,804 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-07-19 21:06:22,804 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-19 21:06:22,805 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-07-19 21:06:22,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-19 21:06:22,805 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-19 21:06:22,805 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-19 21:06:22,805 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-19 21:06:22,806 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-19 21:06:22,806 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-19 21:06:22,806 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-19 21:06:22,806 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-19 21:06:22,806 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-19 21:06:22,807 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-19 21:06:22,807 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-19 21:06:22,807 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-19 21:06:22,807 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-19 21:06:22,808 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-19 21:06:22,808 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-19 21:06:22,808 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-19 21:06:22,808 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-19 21:06:22,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-19 21:06:22,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-19 21:06:22,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-19 21:06:22,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-19 21:06:22,809 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-19 21:06:22,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-19 21:06:22,811 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-19 21:06:22,811 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-19 21:06:22,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-19 21:06:22,811 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-19 21:06:22,811 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-19 21:06:22,811 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-19 21:06:22,812 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-19 21:06:22,812 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-19 21:06:22,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-19 21:06:22,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-19 21:06:22,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-19 21:06:23,816 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-19 21:06:23,816 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-19 21:06:23,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 09:06:23 BoogieIcfgContainer [2020-07-19 21:06:23,822 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-19 21:06:23,823 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-19 21:06:23,823 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-19 21:06:23,826 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-19 21:06:23,826 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 09:06:21" (1/3) ... [2020-07-19 21:06:23,827 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22db464 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 09:06:23, skipping insertion in model container [2020-07-19 21:06:23,827 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:06:22" (2/3) ... [2020-07-19 21:06:23,828 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22db464 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 09:06:23, skipping insertion in model container [2020-07-19 21:06:23,828 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 09:06:23" (3/3) ... [2020-07-19 21:06:23,830 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product47.cil.c [2020-07-19 21:06:23,840 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-19 21:06:23,848 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-19 21:06:23,861 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-19 21:06:23,885 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-19 21:06:23,886 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-19 21:06:23,886 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-19 21:06:23,886 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-19 21:06:23,887 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-19 21:06:23,887 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-19 21:06:23,887 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-19 21:06:23,887 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-19 21:06:23,909 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states. [2020-07-19 21:06:23,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-19 21:06:23,922 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:06:23,922 INFO L422 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] [2020-07-19 21:06:23,923 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:06:23,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:06:23,927 INFO L82 PathProgramCache]: Analyzing trace with hash -981984858, now seen corresponding path program 1 times [2020-07-19 21:06:23,936 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:06:23,937 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758954704] [2020-07-19 21:06:23,937 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@cd67b2f [2020-07-19 21:06:24,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:24,560 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:06:24,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:24,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:24,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:24,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:24,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:24,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:24,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:24,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:24,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:24,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:24,660 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 21:06:24,661 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758954704] [2020-07-19 21:06:24,662 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:06:24,662 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-19 21:06:24,663 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139144558] [2020-07-19 21:06:24,668 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-19 21:06:24,669 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:06:24,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-19 21:06:24,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-19 21:06:24,686 INFO L87 Difference]: Start difference. First operand 192 states. Second operand 4 states. [2020-07-19 21:06:25,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:06:25,857 INFO L93 Difference]: Finished difference Result 330 states and 424 transitions. [2020-07-19 21:06:25,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-19 21:06:25,860 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-07-19 21:06:25,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:06:25,874 INFO L225 Difference]: With dead ends: 330 [2020-07-19 21:06:25,875 INFO L226 Difference]: Without dead ends: 182 [2020-07-19 21:06:25,879 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-19 21:06:25,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2020-07-19 21:06:25,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 149. [2020-07-19 21:06:25,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2020-07-19 21:06:25,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 176 transitions. [2020-07-19 21:06:25,970 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 176 transitions. Word has length 59 [2020-07-19 21:06:25,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:06:25,971 INFO L479 AbstractCegarLoop]: Abstraction has 149 states and 176 transitions. [2020-07-19 21:06:25,971 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-19 21:06:25,971 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 176 transitions. [2020-07-19 21:06:25,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-07-19 21:06:25,975 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:06:25,975 INFO L422 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] [2020-07-19 21:06:25,976 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-19 21:06:25,976 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:06:25,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:06:25,976 INFO L82 PathProgramCache]: Analyzing trace with hash 75711308, now seen corresponding path program 1 times [2020-07-19 21:06:25,977 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:06:25,977 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826662961] [2020-07-19 21:06:25,977 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@cd67b2f [2020-07-19 21:06:26,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:26,383 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:06:26,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:26,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:26,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:26,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:26,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:26,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:26,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:26,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:26,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:26,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:26,515 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 21:06:26,515 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826662961] [2020-07-19 21:06:26,516 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:06:26,516 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-19 21:06:26,516 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686251108] [2020-07-19 21:06:26,518 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-19 21:06:26,518 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:06:26,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-19 21:06:26,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-19 21:06:26,519 INFO L87 Difference]: Start difference. First operand 149 states and 176 transitions. Second operand 9 states. [2020-07-19 21:06:26,926 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:06:27,256 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:06:27,500 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:06:27,718 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:06:28,700 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:06:30,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:06:30,557 INFO L93 Difference]: Finished difference Result 506 states and 636 transitions. [2020-07-19 21:06:30,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-19 21:06:30,558 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 64 [2020-07-19 21:06:30,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:06:30,564 INFO L225 Difference]: With dead ends: 506 [2020-07-19 21:06:30,564 INFO L226 Difference]: Without dead ends: 385 [2020-07-19 21:06:30,566 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-07-19 21:06:30,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2020-07-19 21:06:30,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 327. [2020-07-19 21:06:30,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 327 states. [2020-07-19 21:06:30,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 402 transitions. [2020-07-19 21:06:30,649 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 402 transitions. Word has length 64 [2020-07-19 21:06:30,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:06:30,650 INFO L479 AbstractCegarLoop]: Abstraction has 327 states and 402 transitions. [2020-07-19 21:06:30,650 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-19 21:06:30,650 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 402 transitions. [2020-07-19 21:06:30,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-07-19 21:06:30,653 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:06:30,653 INFO L422 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] [2020-07-19 21:06:30,654 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-19 21:06:30,654 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:06:30,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:06:30,654 INFO L82 PathProgramCache]: Analyzing trace with hash -1055869647, now seen corresponding path program 1 times [2020-07-19 21:06:30,655 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:06:30,655 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325191669] [2020-07-19 21:06:30,655 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@cd67b2f [2020-07-19 21:06:30,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:30,991 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:06:31,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:31,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:31,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:31,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:31,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:31,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:31,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:31,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:31,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:31,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:31,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:31,117 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-19 21:06:31,118 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325191669] [2020-07-19 21:06:31,118 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:06:31,118 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-19 21:06:31,118 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211094234] [2020-07-19 21:06:31,119 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-19 21:06:31,120 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:06:31,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-19 21:06:31,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-19 21:06:31,121 INFO L87 Difference]: Start difference. First operand 327 states and 402 transitions. Second operand 9 states. [2020-07-19 21:06:31,547 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:06:32,120 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:06:33,153 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:06:33,416 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:06:33,667 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:06:33,940 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:06:34,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:06:34,813 INFO L93 Difference]: Finished difference Result 877 states and 1180 transitions. [2020-07-19 21:06:34,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-19 21:06:34,818 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 70 [2020-07-19 21:06:34,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:06:34,826 INFO L225 Difference]: With dead ends: 877 [2020-07-19 21:06:34,826 INFO L226 Difference]: Without dead ends: 578 [2020-07-19 21:06:34,830 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-07-19 21:06:34,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 578 states. [2020-07-19 21:06:34,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 578 to 488. [2020-07-19 21:06:34,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 488 states. [2020-07-19 21:06:34,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 488 states and 609 transitions. [2020-07-19 21:06:34,934 INFO L78 Accepts]: Start accepts. Automaton has 488 states and 609 transitions. Word has length 70 [2020-07-19 21:06:34,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:06:34,935 INFO L479 AbstractCegarLoop]: Abstraction has 488 states and 609 transitions. [2020-07-19 21:06:34,935 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-19 21:06:34,935 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 609 transitions. [2020-07-19 21:06:34,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-07-19 21:06:34,939 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:06:34,939 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:06:34,940 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-19 21:06:34,940 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:06:34,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:06:34,940 INFO L82 PathProgramCache]: Analyzing trace with hash -2082867985, now seen corresponding path program 1 times [2020-07-19 21:06:34,940 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:06:34,941 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386361811] [2020-07-19 21:06:34,941 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@cd67b2f [2020-07-19 21:06:34,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:35,218 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:06:35,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:35,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:35,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:35,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:35,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:35,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:35,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:35,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:35,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:35,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:35,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:35,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:35,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:35,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:35,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:35,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:35,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:35,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:35,399 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 21:06:35,400 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386361811] [2020-07-19 21:06:35,400 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:06:35,400 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-19 21:06:35,401 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595305800] [2020-07-19 21:06:35,401 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-19 21:06:35,401 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:06:35,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-19 21:06:35,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-19 21:06:35,402 INFO L87 Difference]: Start difference. First operand 488 states and 609 transitions. Second operand 9 states. [2020-07-19 21:06:35,927 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:06:36,861 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 21:06:37,184 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:06:37,484 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:06:37,724 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:06:39,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:06:39,138 INFO L93 Difference]: Finished difference Result 1509 states and 2131 transitions. [2020-07-19 21:06:39,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-19 21:06:39,139 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 107 [2020-07-19 21:06:39,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:06:39,149 INFO L225 Difference]: With dead ends: 1509 [2020-07-19 21:06:39,149 INFO L226 Difference]: Without dead ends: 1049 [2020-07-19 21:06:39,152 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2020-07-19 21:06:39,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1049 states. [2020-07-19 21:06:39,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1049 to 885. [2020-07-19 21:06:39,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 885 states. [2020-07-19 21:06:39,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 885 states and 1121 transitions. [2020-07-19 21:06:39,327 INFO L78 Accepts]: Start accepts. Automaton has 885 states and 1121 transitions. Word has length 107 [2020-07-19 21:06:39,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:06:39,327 INFO L479 AbstractCegarLoop]: Abstraction has 885 states and 1121 transitions. [2020-07-19 21:06:39,328 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-19 21:06:39,328 INFO L276 IsEmpty]: Start isEmpty. Operand 885 states and 1121 transitions. [2020-07-19 21:06:39,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-07-19 21:06:39,331 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:06:39,331 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:06:39,332 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-19 21:06:39,332 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:06:39,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:06:39,332 INFO L82 PathProgramCache]: Analyzing trace with hash -1842327856, now seen corresponding path program 1 times [2020-07-19 21:06:39,333 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:06:39,333 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773790691] [2020-07-19 21:06:39,333 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@cd67b2f [2020-07-19 21:06:39,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:39,581 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:06:39,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:39,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:39,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:39,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:39,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:39,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:39,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:39,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:39,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:39,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:39,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:39,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:39,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:39,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:39,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:39,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:39,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:39,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:39,742 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 21:06:39,742 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773790691] [2020-07-19 21:06:39,742 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:06:39,743 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-19 21:06:39,743 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764904749] [2020-07-19 21:06:39,743 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-19 21:06:39,744 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:06:39,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-19 21:06:39,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-19 21:06:39,744 INFO L87 Difference]: Start difference. First operand 885 states and 1121 transitions. Second operand 9 states. [2020-07-19 21:06:40,875 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:06:41,110 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 21:06:41,350 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:06:41,566 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:06:42,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:06:42,545 INFO L93 Difference]: Finished difference Result 1913 states and 2626 transitions. [2020-07-19 21:06:42,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-19 21:06:42,546 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 107 [2020-07-19 21:06:42,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:06:42,565 INFO L225 Difference]: With dead ends: 1913 [2020-07-19 21:06:42,565 INFO L226 Difference]: Without dead ends: 1056 [2020-07-19 21:06:42,575 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-07-19 21:06:42,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1056 states. [2020-07-19 21:06:42,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1056 to 905. [2020-07-19 21:06:42,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 905 states. [2020-07-19 21:06:42,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 905 states and 1141 transitions. [2020-07-19 21:06:42,728 INFO L78 Accepts]: Start accepts. Automaton has 905 states and 1141 transitions. Word has length 107 [2020-07-19 21:06:42,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:06:42,729 INFO L479 AbstractCegarLoop]: Abstraction has 905 states and 1141 transitions. [2020-07-19 21:06:42,729 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-19 21:06:42,729 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1141 transitions. [2020-07-19 21:06:42,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-07-19 21:06:42,732 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:06:42,733 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:06:42,733 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-19 21:06:42,733 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:06:42,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:06:42,733 INFO L82 PathProgramCache]: Analyzing trace with hash 85944846, now seen corresponding path program 1 times [2020-07-19 21:06:42,734 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:06:42,734 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477340424] [2020-07-19 21:06:42,734 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@cd67b2f [2020-07-19 21:06:42,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:42,980 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:06:42,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:42,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:42,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:42,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:43,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:43,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:43,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:43,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:43,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:43,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:43,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:43,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:43,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:43,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:43,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:43,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:43,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:43,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:43,139 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 21:06:43,140 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477340424] [2020-07-19 21:06:43,142 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:06:43,142 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-19 21:06:43,142 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388816192] [2020-07-19 21:06:43,143 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-19 21:06:43,143 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:06:43,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-19 21:06:43,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-07-19 21:06:43,145 INFO L87 Difference]: Start difference. First operand 905 states and 1141 transitions. Second operand 11 states. [2020-07-19 21:06:43,905 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:06:44,246 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:06:44,560 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:06:45,244 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:06:45,490 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:06:45,740 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:06:46,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:06:46,860 INFO L93 Difference]: Finished difference Result 1702 states and 2268 transitions. [2020-07-19 21:06:46,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-19 21:06:46,861 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 107 [2020-07-19 21:06:46,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:06:46,869 INFO L225 Difference]: With dead ends: 1702 [2020-07-19 21:06:46,869 INFO L226 Difference]: Without dead ends: 797 [2020-07-19 21:06:46,874 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2020-07-19 21:06:46,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 797 states. [2020-07-19 21:06:46,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 797 to 697. [2020-07-19 21:06:46,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 697 states. [2020-07-19 21:06:47,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 697 states and 843 transitions. [2020-07-19 21:06:47,001 INFO L78 Accepts]: Start accepts. Automaton has 697 states and 843 transitions. Word has length 107 [2020-07-19 21:06:47,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:06:47,001 INFO L479 AbstractCegarLoop]: Abstraction has 697 states and 843 transitions. [2020-07-19 21:06:47,002 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-19 21:06:47,002 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 843 transitions. [2020-07-19 21:06:47,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-07-19 21:06:47,004 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:06:47,004 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:06:47,005 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-19 21:06:47,005 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:06:47,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:06:47,005 INFO L82 PathProgramCache]: Analyzing trace with hash 1945052595, now seen corresponding path program 1 times [2020-07-19 21:06:47,005 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:06:47,009 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761616179] [2020-07-19 21:06:47,010 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@cd67b2f [2020-07-19 21:06:47,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:47,413 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:06:47,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:47,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:47,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:47,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:47,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:47,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:47,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:47,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:47,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:47,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:47,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:47,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:47,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:47,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:47,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:47,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:47,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:47,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:47,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:47,687 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 21:06:47,688 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761616179] [2020-07-19 21:06:47,688 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:06:47,688 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-19 21:06:47,689 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220565423] [2020-07-19 21:06:47,690 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-19 21:06:47,690 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:06:47,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-19 21:06:47,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-07-19 21:06:47,691 INFO L87 Difference]: Start difference. First operand 697 states and 843 transitions. Second operand 12 states. [2020-07-19 21:06:48,285 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:06:48,907 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:06:49,538 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:06:49,858 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:06:50,122 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 21:06:50,387 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:06:50,660 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:06:52,497 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:06:52,769 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:06:53,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:06:53,638 INFO L93 Difference]: Finished difference Result 2212 states and 3039 transitions. [2020-07-19 21:06:53,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-07-19 21:06:53,638 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 111 [2020-07-19 21:06:53,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:06:53,650 INFO L225 Difference]: With dead ends: 2212 [2020-07-19 21:06:53,650 INFO L226 Difference]: Without dead ends: 1674 [2020-07-19 21:06:53,654 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 346 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=306, Invalid=1026, Unknown=0, NotChecked=0, Total=1332 [2020-07-19 21:06:53,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1674 states. [2020-07-19 21:06:53,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1674 to 1447. [2020-07-19 21:06:53,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1447 states. [2020-07-19 21:06:53,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1447 states to 1447 states and 1761 transitions. [2020-07-19 21:06:53,884 INFO L78 Accepts]: Start accepts. Automaton has 1447 states and 1761 transitions. Word has length 111 [2020-07-19 21:06:53,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:06:53,885 INFO L479 AbstractCegarLoop]: Abstraction has 1447 states and 1761 transitions. [2020-07-19 21:06:53,885 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-19 21:06:53,885 INFO L276 IsEmpty]: Start isEmpty. Operand 1447 states and 1761 transitions. [2020-07-19 21:06:53,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2020-07-19 21:06:53,889 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:06:53,889 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:06:53,890 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-19 21:06:53,890 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:06:53,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:06:53,890 INFO L82 PathProgramCache]: Analyzing trace with hash -1487603991, now seen corresponding path program 1 times [2020-07-19 21:06:53,891 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:06:53,891 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209958894] [2020-07-19 21:06:53,891 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@cd67b2f [2020-07-19 21:06:53,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,173 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:06:54,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,467 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 19 proven. 16 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2020-07-19 21:06:54,468 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209958894] [2020-07-19 21:06:54,468 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [536470111] [2020-07-19 21:06:54,468 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@cd67b2f 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 [2020-07-19 21:06:54,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:54,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 1087 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-19 21:06:54,781 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:06:54,898 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-07-19 21:06:54,899 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 21:06:54,899 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [14] total 15 [2020-07-19 21:06:54,899 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941117509] [2020-07-19 21:06:54,900 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-19 21:06:54,901 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:06:54,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-19 21:06:54,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2020-07-19 21:06:54,901 INFO L87 Difference]: Start difference. First operand 1447 states and 1761 transitions. Second operand 3 states. [2020-07-19 21:06:55,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:06:55,140 INFO L93 Difference]: Finished difference Result 2233 states and 2610 transitions. [2020-07-19 21:06:55,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-19 21:06:55,141 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 220 [2020-07-19 21:06:55,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:06:55,148 INFO L225 Difference]: With dead ends: 2233 [2020-07-19 21:06:55,148 INFO L226 Difference]: Without dead ends: 1339 [2020-07-19 21:06:55,152 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 311 GetRequests, 298 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2020-07-19 21:06:55,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1339 states. [2020-07-19 21:06:55,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1339 to 1339. [2020-07-19 21:06:55,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1339 states. [2020-07-19 21:06:55,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1339 states to 1339 states and 1569 transitions. [2020-07-19 21:06:55,342 INFO L78 Accepts]: Start accepts. Automaton has 1339 states and 1569 transitions. Word has length 220 [2020-07-19 21:06:55,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:06:55,344 INFO L479 AbstractCegarLoop]: Abstraction has 1339 states and 1569 transitions. [2020-07-19 21:06:55,345 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-19 21:06:55,345 INFO L276 IsEmpty]: Start isEmpty. Operand 1339 states and 1569 transitions. [2020-07-19 21:06:55,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-07-19 21:06:55,350 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:06:55,351 INFO L422 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, 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] [2020-07-19 21:06:55,565 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2020-07-19 21:06:55,566 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:06:55,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:06:55,567 INFO L82 PathProgramCache]: Analyzing trace with hash -451795391, now seen corresponding path program 1 times [2020-07-19 21:06:55,567 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:06:55,567 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731650463] [2020-07-19 21:06:55,567 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@cd67b2f [2020-07-19 21:06:55,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:55,888 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:06:55,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:55,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:55,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:55,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:55,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:55,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:55,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:55,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:55,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:55,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:56,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:56,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:56,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:56,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:56,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:56,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:56,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:56,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:56,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:56,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:56,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:56,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:56,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:56,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:56,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:56,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:56,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:56,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:56,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:56,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:56,202 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 21 proven. 8 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-07-19 21:06:56,202 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731650463] [2020-07-19 21:06:56,203 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [600519690] [2020-07-19 21:06:56,203 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@cd67b2f No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:06:56,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:06:56,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 961 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-19 21:06:56,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:06:56,570 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 35 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 21:06:56,571 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 21:06:56,571 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 7] total 20 [2020-07-19 21:06:56,571 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566718605] [2020-07-19 21:06:56,572 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-07-19 21:06:56,573 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:06:56,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-07-19 21:06:56,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=322, Unknown=0, NotChecked=0, Total=380 [2020-07-19 21:06:56,573 INFO L87 Difference]: Start difference. First operand 1339 states and 1569 transitions. Second operand 20 states. [2020-07-19 21:06:57,151 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 21:06:57,516 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-19 21:06:57,779 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-19 21:06:58,036 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-19 21:06:58,658 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-19 21:06:58,890 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:06:59,220 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-19 21:06:59,674 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-19 21:07:00,974 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:07:01,704 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-19 21:07:02,024 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:07:02,388 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:07:02,956 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:07:03,346 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:07:03,935 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-07-19 21:07:04,484 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-19 21:07:04,972 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 21:07:05,651 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 21:07:06,375 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 194 [2020-07-19 21:07:06,711 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 21:07:07,014 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:07:07,283 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 21:07:07,553 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-19 21:07:07,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:07:07,912 INFO L93 Difference]: Finished difference Result 3007 states and 3676 transitions. [2020-07-19 21:07:07,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2020-07-19 21:07:07,912 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 170 [2020-07-19 21:07:07,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:07:07,922 INFO L225 Difference]: With dead ends: 3007 [2020-07-19 21:07:07,923 INFO L226 Difference]: Without dead ends: 1872 [2020-07-19 21:07:07,928 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 313 GetRequests, 241 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1600 ImplicationChecksByTransitivity, 7.3s TimeCoverageRelationStatistics Valid=1016, Invalid=4386, Unknown=0, NotChecked=0, Total=5402 [2020-07-19 21:07:07,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1872 states. [2020-07-19 21:07:08,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1872 to 1656. [2020-07-19 21:07:08,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1656 states. [2020-07-19 21:07:08,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1656 states to 1656 states and 1936 transitions. [2020-07-19 21:07:08,236 INFO L78 Accepts]: Start accepts. Automaton has 1656 states and 1936 transitions. Word has length 170 [2020-07-19 21:07:08,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:07:08,238 INFO L479 AbstractCegarLoop]: Abstraction has 1656 states and 1936 transitions. [2020-07-19 21:07:08,238 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-07-19 21:07:08,238 INFO L276 IsEmpty]: Start isEmpty. Operand 1656 states and 1936 transitions. [2020-07-19 21:07:08,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2020-07-19 21:07:08,247 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:07:08,248 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-19 21:07:08,462 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:07:08,463 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:07:08,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:07:08,464 INFO L82 PathProgramCache]: Analyzing trace with hash 913052362, now seen corresponding path program 1 times [2020-07-19 21:07:08,465 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:07:08,465 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411434454] [2020-07-19 21:07:08,465 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@cd67b2f [2020-07-19 21:07:08,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:08,778 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:07:08,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:08,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:08,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:08,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:08,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:08,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:08,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:08,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:08,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:08,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:08,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:08,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:08,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:08,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:08,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:08,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:08,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:08,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:08,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:08,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:08,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:08,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:08,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:08,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:08,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:08,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:08,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:08,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:08,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:08,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:09,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:09,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:09,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:09,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:09,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:09,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:09,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:09,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:09,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:09,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:09,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:09,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:09,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:09,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:09,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:09,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:09,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:09,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:09,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:09,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:09,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:09,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:09,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:09,186 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 76 proven. 31 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2020-07-19 21:07:09,187 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411434454] [2020-07-19 21:07:09,187 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1795299598] [2020-07-19 21:07:09,187 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@cd67b2f No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:07:09,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:09,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 1278 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-19 21:07:09,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:07:09,720 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 226 proven. 4 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2020-07-19 21:07:09,720 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 21:07:09,720 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12] total 25 [2020-07-19 21:07:09,721 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662160943] [2020-07-19 21:07:09,722 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-07-19 21:07:09,722 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:07:09,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-07-19 21:07:09,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=520, Unknown=0, NotChecked=0, Total=600 [2020-07-19 21:07:09,723 INFO L87 Difference]: Start difference. First operand 1656 states and 1936 transitions. Second operand 25 states. [2020-07-19 21:07:10,489 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-07-19 21:07:11,369 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:07:12,331 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-07-19 21:07:12,840 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-07-19 21:07:13,339 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-07-19 21:07:13,602 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:07:13,852 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:07:14,151 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 21:07:14,436 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 21:07:14,689 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:07:15,552 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:07:15,871 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:07:19,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:07:19,628 INFO L93 Difference]: Finished difference Result 4465 states and 6058 transitions. [2020-07-19 21:07:19,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2020-07-19 21:07:19,628 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 299 [2020-07-19 21:07:19,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:07:19,646 INFO L225 Difference]: With dead ends: 4465 [2020-07-19 21:07:19,646 INFO L226 Difference]: Without dead ends: 2856 [2020-07-19 21:07:19,653 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 483 GetRequests, 418 SyntacticMatches, 1 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1111 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=746, Invalid=3544, Unknown=0, NotChecked=0, Total=4290 [2020-07-19 21:07:19,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2856 states. [2020-07-19 21:07:20,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2856 to 2052. [2020-07-19 21:07:20,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2052 states. [2020-07-19 21:07:20,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2052 states to 2052 states and 2410 transitions. [2020-07-19 21:07:20,060 INFO L78 Accepts]: Start accepts. Automaton has 2052 states and 2410 transitions. Word has length 299 [2020-07-19 21:07:20,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:07:20,062 INFO L479 AbstractCegarLoop]: Abstraction has 2052 states and 2410 transitions. [2020-07-19 21:07:20,062 INFO L480 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-07-19 21:07:20,062 INFO L276 IsEmpty]: Start isEmpty. Operand 2052 states and 2410 transitions. [2020-07-19 21:07:20,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2020-07-19 21:07:20,073 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:07:20,073 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-19 21:07:20,286 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-19 21:07:20,287 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:07:20,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:07:20,287 INFO L82 PathProgramCache]: Analyzing trace with hash 1836144816, now seen corresponding path program 1 times [2020-07-19 21:07:20,287 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:07:20,288 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220298767] [2020-07-19 21:07:20,288 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@cd67b2f [2020-07-19 21:07:20,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:20,545 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:07:20,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:20,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:20,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:20,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:20,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:20,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:20,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:20,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:20,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:20,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:20,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:20,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:20,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:20,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:20,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:20,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:20,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:20,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:20,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:20,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:20,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:20,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:20,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:20,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:20,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:20,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:20,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:20,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:20,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:20,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:20,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:20,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:20,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:20,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:20,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:20,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:20,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:20,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:20,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:20,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:20,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:20,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:20,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:20,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:20,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:20,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:20,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:20,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:20,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:20,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:20,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:20,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:20,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:20,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:20,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:20,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:20,953 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 89 proven. 42 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2020-07-19 21:07:20,954 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220298767] [2020-07-19 21:07:20,954 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1200203831] [2020-07-19 21:07:20,954 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@cd67b2f No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:07:21,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:21,218 INFO L263 TraceCheckSpWp]: Trace formula consists of 1317 conjuncts, 12 conjunts are in the unsatisfiable core [2020-07-19 21:07:21,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:07:21,425 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 264 proven. 16 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2020-07-19 21:07:21,426 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 21:07:21,426 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 9] total 22 [2020-07-19 21:07:21,427 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413512280] [2020-07-19 21:07:21,427 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-07-19 21:07:21,428 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:07:21,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-07-19 21:07:21,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2020-07-19 21:07:21,428 INFO L87 Difference]: Start difference. First operand 2052 states and 2410 transitions. Second operand 22 states. [2020-07-19 21:07:22,210 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-07-19 21:07:22,761 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-19 21:07:23,263 WARN L193 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-19 21:07:23,719 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-19 21:07:24,610 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-19 21:07:25,930 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-19 21:07:26,426 WARN L193 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-19 21:07:26,829 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:07:27,420 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:07:28,187 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:07:28,427 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:07:29,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:07:29,085 INFO L93 Difference]: Finished difference Result 4036 states and 4892 transitions. [2020-07-19 21:07:29,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-07-19 21:07:29,088 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 315 [2020-07-19 21:07:29,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:07:29,100 INFO L225 Difference]: With dead ends: 4036 [2020-07-19 21:07:29,100 INFO L226 Difference]: Without dead ends: 2207 [2020-07-19 21:07:29,106 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 477 GetRequests, 433 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 400 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=384, Invalid=1686, Unknown=0, NotChecked=0, Total=2070 [2020-07-19 21:07:29,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2207 states. [2020-07-19 21:07:29,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2207 to 2054. [2020-07-19 21:07:29,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2054 states. [2020-07-19 21:07:29,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2054 states to 2054 states and 2406 transitions. [2020-07-19 21:07:29,412 INFO L78 Accepts]: Start accepts. Automaton has 2054 states and 2406 transitions. Word has length 315 [2020-07-19 21:07:29,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:07:29,412 INFO L479 AbstractCegarLoop]: Abstraction has 2054 states and 2406 transitions. [2020-07-19 21:07:29,412 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-07-19 21:07:29,412 INFO L276 IsEmpty]: Start isEmpty. Operand 2054 states and 2406 transitions. [2020-07-19 21:07:29,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2020-07-19 21:07:29,422 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:07:29,422 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-19 21:07:29,635 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:07:29,636 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:07:29,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:07:29,636 INFO L82 PathProgramCache]: Analyzing trace with hash 236529018, now seen corresponding path program 1 times [2020-07-19 21:07:29,637 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:07:29,637 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193352935] [2020-07-19 21:07:29,637 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@cd67b2f [2020-07-19 21:07:29,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:29,986 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:07:29,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:30,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:30,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:30,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:30,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:30,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:30,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:30,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:30,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:30,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:30,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:30,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:30,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:30,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:30,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:30,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:30,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:30,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:30,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:30,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:30,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:30,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:30,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:30,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:30,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:30,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:30,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:30,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:30,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:30,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:30,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:30,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:30,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:30,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:30,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:30,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:30,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:30,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:30,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:30,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:30,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:30,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:30,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:30,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:30,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:30,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:30,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:30,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:30,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:30,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:30,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:30,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:30,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:30,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:30,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:30,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:30,507 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 82 proven. 21 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2020-07-19 21:07:30,508 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193352935] [2020-07-19 21:07:30,508 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2112225637] [2020-07-19 21:07:30,509 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@cd67b2f No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:07:30,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:30,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 1317 conjuncts, 28 conjunts are in the unsatisfiable core [2020-07-19 21:07:30,846 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:07:31,041 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 193 proven. 16 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2020-07-19 21:07:31,042 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 21:07:31,042 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 8] total 22 [2020-07-19 21:07:31,042 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383006989] [2020-07-19 21:07:31,043 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-07-19 21:07:31,043 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:07:31,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-07-19 21:07:31,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=398, Unknown=0, NotChecked=0, Total=462 [2020-07-19 21:07:31,044 INFO L87 Difference]: Start difference. First operand 2054 states and 2406 transitions. Second operand 22 states. [2020-07-19 21:07:31,690 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:07:32,413 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:07:32,743 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 21:07:33,179 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 21:07:35,034 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-19 21:07:35,408 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-19 21:07:35,721 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-19 21:07:35,968 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 21:07:36,315 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 21:07:36,587 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 21:07:38,014 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-19 21:07:38,296 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-19 21:07:38,554 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-19 21:07:38,798 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 21:07:39,284 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-07-19 21:07:39,542 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 21:07:40,067 WARN L193 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-07-19 21:07:40,313 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 21:07:40,807 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 194 [2020-07-19 21:07:41,273 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 194 [2020-07-19 21:07:42,088 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:07:42,377 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-19 21:07:42,647 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-19 21:07:42,897 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-19 21:07:43,421 WARN L193 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2020-07-19 21:07:43,883 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2020-07-19 21:07:44,719 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:07:46,505 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 21:07:46,775 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 21:07:47,027 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 21:07:47,510 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-19 21:07:47,982 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-19 21:07:50,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:07:50,098 INFO L93 Difference]: Finished difference Result 8252 states and 10874 transitions. [2020-07-19 21:07:50,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2020-07-19 21:07:50,098 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 316 [2020-07-19 21:07:50,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:07:50,132 INFO L225 Difference]: With dead ends: 8252 [2020-07-19 21:07:50,132 INFO L226 Difference]: Without dead ends: 6064 [2020-07-19 21:07:50,144 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 553 GetRequests, 444 SyntacticMatches, 1 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4126 ImplicationChecksByTransitivity, 11.2s TimeCoverageRelationStatistics Valid=2091, Invalid=9899, Unknown=0, NotChecked=0, Total=11990 [2020-07-19 21:07:50,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6064 states. [2020-07-19 21:07:50,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6064 to 4634. [2020-07-19 21:07:50,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4634 states. [2020-07-19 21:07:50,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4634 states to 4634 states and 5324 transitions. [2020-07-19 21:07:50,763 INFO L78 Accepts]: Start accepts. Automaton has 4634 states and 5324 transitions. Word has length 316 [2020-07-19 21:07:50,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:07:50,764 INFO L479 AbstractCegarLoop]: Abstraction has 4634 states and 5324 transitions. [2020-07-19 21:07:50,764 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-07-19 21:07:50,764 INFO L276 IsEmpty]: Start isEmpty. Operand 4634 states and 5324 transitions. [2020-07-19 21:07:50,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 432 [2020-07-19 21:07:50,777 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:07:50,777 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:07:50,990 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-07-19 21:07:50,991 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:07:50,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:07:50,991 INFO L82 PathProgramCache]: Analyzing trace with hash -573850118, now seen corresponding path program 1 times [2020-07-19 21:07:50,991 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:07:50,992 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602324458] [2020-07-19 21:07:50,992 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@cd67b2f [2020-07-19 21:07:51,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:51,280 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:07:51,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:51,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:51,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:51,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:51,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:51,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:51,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:51,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:51,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:51,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:51,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:51,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:51,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:51,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:51,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:51,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:51,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:51,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:51,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:51,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:51,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:51,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:51,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:51,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:51,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:51,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:51,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:51,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:51,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:51,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:51,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:51,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:51,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:51,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:51,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:51,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:51,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:51,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:51,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:51,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:51,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:51,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:51,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:51,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:51,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:51,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:51,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:51,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:51,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:51,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:51,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:51,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:51,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:51,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:51,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:51,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:51,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:51,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:51,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:51,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:51,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:51,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:51,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:51,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:51,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:51,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:51,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:51,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:51,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:51,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:51,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:51,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:51,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:51,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:51,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:51,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:51,699 INFO L134 CoverageAnalysis]: Checked inductivity of 795 backedges. 163 proven. 3 refuted. 0 times theorem prover too weak. 629 trivial. 0 not checked. [2020-07-19 21:07:51,699 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602324458] [2020-07-19 21:07:51,699 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1683377264] [2020-07-19 21:07:51,699 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@cd67b2f No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:07:51,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:51,936 INFO L263 TraceCheckSpWp]: Trace formula consists of 1609 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-19 21:07:51,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:07:52,028 INFO L134 CoverageAnalysis]: Checked inductivity of 795 backedges. 539 proven. 0 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2020-07-19 21:07:52,029 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 21:07:52,029 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [11] total 11 [2020-07-19 21:07:52,029 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81532931] [2020-07-19 21:07:52,030 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-19 21:07:52,030 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:07:52,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-19 21:07:52,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-07-19 21:07:52,030 INFO L87 Difference]: Start difference. First operand 4634 states and 5324 transitions. Second operand 3 states. [2020-07-19 21:07:52,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:07:52,473 INFO L93 Difference]: Finished difference Result 5554 states and 6418 transitions. [2020-07-19 21:07:52,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-19 21:07:52,474 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 431 [2020-07-19 21:07:52,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:07:52,488 INFO L225 Difference]: With dead ends: 5554 [2020-07-19 21:07:52,488 INFO L226 Difference]: Without dead ends: 1900 [2020-07-19 21:07:52,496 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 588 GetRequests, 579 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-07-19 21:07:52,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1900 states. [2020-07-19 21:07:52,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1900 to 1868. [2020-07-19 21:07:52,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1868 states. [2020-07-19 21:07:52,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1868 states to 1868 states and 2081 transitions. [2020-07-19 21:07:52,768 INFO L78 Accepts]: Start accepts. Automaton has 1868 states and 2081 transitions. Word has length 431 [2020-07-19 21:07:52,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:07:52,768 INFO L479 AbstractCegarLoop]: Abstraction has 1868 states and 2081 transitions. [2020-07-19 21:07:52,768 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-19 21:07:52,768 INFO L276 IsEmpty]: Start isEmpty. Operand 1868 states and 2081 transitions. [2020-07-19 21:07:52,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 389 [2020-07-19 21:07:52,773 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:07:52,774 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:07:52,987 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:07:52,988 INFO L427 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:07:52,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:07:52,988 INFO L82 PathProgramCache]: Analyzing trace with hash 1572437737, now seen corresponding path program 1 times [2020-07-19 21:07:52,988 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:07:52,988 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752908414] [2020-07-19 21:07:52,989 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@cd67b2f [2020-07-19 21:07:53,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,295 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:07:53,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:53,762 INFO L134 CoverageAnalysis]: Checked inductivity of 590 backedges. 132 proven. 4 refuted. 0 times theorem prover too weak. 454 trivial. 0 not checked. [2020-07-19 21:07:53,762 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752908414] [2020-07-19 21:07:53,762 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [895725226] [2020-07-19 21:07:53,762 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@cd67b2f No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:07:54,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:54,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 1492 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-19 21:07:54,015 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:07:54,318 INFO L134 CoverageAnalysis]: Checked inductivity of 590 backedges. 408 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2020-07-19 21:07:54,318 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 21:07:54,318 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [19] total 24 [2020-07-19 21:07:54,319 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409820139] [2020-07-19 21:07:54,319 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-19 21:07:54,319 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:07:54,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-19 21:07:54,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=486, Unknown=0, NotChecked=0, Total=552 [2020-07-19 21:07:54,320 INFO L87 Difference]: Start difference. First operand 1868 states and 2081 transitions. Second operand 8 states. [2020-07-19 21:07:54,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:07:54,818 INFO L93 Difference]: Finished difference Result 3454 states and 3864 transitions. [2020-07-19 21:07:54,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-19 21:07:54,819 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 388 [2020-07-19 21:07:54,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:07:54,826 INFO L225 Difference]: With dead ends: 3454 [2020-07-19 21:07:54,827 INFO L226 Difference]: Without dead ends: 1774 [2020-07-19 21:07:54,831 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 538 GetRequests, 515 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=66, Invalid=486, Unknown=0, NotChecked=0, Total=552 [2020-07-19 21:07:54,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1774 states. [2020-07-19 21:07:55,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1774 to 1761. [2020-07-19 21:07:55,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1761 states. [2020-07-19 21:07:55,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1761 states to 1761 states and 1956 transitions. [2020-07-19 21:07:55,094 INFO L78 Accepts]: Start accepts. Automaton has 1761 states and 1956 transitions. Word has length 388 [2020-07-19 21:07:55,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:07:55,094 INFO L479 AbstractCegarLoop]: Abstraction has 1761 states and 1956 transitions. [2020-07-19 21:07:55,095 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-19 21:07:55,095 INFO L276 IsEmpty]: Start isEmpty. Operand 1761 states and 1956 transitions. [2020-07-19 21:07:55,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2020-07-19 21:07:55,099 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:07:55,100 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-19 21:07:55,310 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2020-07-19 21:07:55,311 INFO L427 AbstractCegarLoop]: === Iteration 15 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:07:55,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:07:55,312 INFO L82 PathProgramCache]: Analyzing trace with hash 2080283791, now seen corresponding path program 1 times [2020-07-19 21:07:55,312 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:07:55,313 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737283976] [2020-07-19 21:07:55,313 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@cd67b2f [2020-07-19 21:07:55,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:55,692 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:07:55,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:55,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:55,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:55,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:55,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:55,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:55,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:55,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:55,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:55,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:55,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:55,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:55,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:55,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:55,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:55,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:55,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:55,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:55,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:55,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:55,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:55,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:55,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:55,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:55,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:55,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:55,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:55,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:55,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:55,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:55,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:55,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:55,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:55,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:55,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:55,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:55,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:55,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:55,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:55,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:55,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:55,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:55,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:55,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:55,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:55,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:55,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:55,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:55,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:55,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:55,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:55,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:55,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:55,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:55,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:55,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:55,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:55,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:55,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:55,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:55,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:55,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:55,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:55,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:55,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:55,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:55,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:55,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:55,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:56,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:56,190 INFO L134 CoverageAnalysis]: Checked inductivity of 594 backedges. 183 proven. 26 refuted. 0 times theorem prover too weak. 385 trivial. 0 not checked. [2020-07-19 21:07:56,191 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737283976] [2020-07-19 21:07:56,191 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1915420988] [2020-07-19 21:07:56,191 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@cd67b2f No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:07:56,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:07:56,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 1501 conjuncts, 42 conjunts are in the unsatisfiable core [2020-07-19 21:07:56,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:07:56,865 INFO L134 CoverageAnalysis]: Checked inductivity of 594 backedges. 243 proven. 49 refuted. 0 times theorem prover too weak. 302 trivial. 0 not checked. [2020-07-19 21:07:56,865 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 21:07:56,865 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 12] total 26 [2020-07-19 21:07:56,866 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768592646] [2020-07-19 21:07:56,867 INFO L459 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-07-19 21:07:56,867 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:07:56,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-07-19 21:07:56,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=557, Unknown=0, NotChecked=0, Total=650 [2020-07-19 21:07:56,867 INFO L87 Difference]: Start difference. First operand 1761 states and 1956 transitions. Second operand 26 states. [2020-07-19 21:07:57,742 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 190 [2020-07-19 21:07:58,494 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 21:07:59,984 WARN L193 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-07-19 21:08:00,341 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-19 21:08:00,643 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-19 21:08:00,910 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-19 21:08:02,891 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 190 [2020-07-19 21:08:03,633 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 192 [2020-07-19 21:08:05,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:08:05,597 INFO L93 Difference]: Finished difference Result 2880 states and 3274 transitions. [2020-07-19 21:08:05,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2020-07-19 21:08:05,597 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 392 [2020-07-19 21:08:05,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:08:05,599 INFO L225 Difference]: With dead ends: 2880 [2020-07-19 21:08:05,599 INFO L226 Difference]: Without dead ends: 0 [2020-07-19 21:08:05,607 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 608 GetRequests, 541 SyntacticMatches, 4 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1114 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=688, Invalid=3472, Unknown=0, NotChecked=0, Total=4160 [2020-07-19 21:08:05,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-19 21:08:05,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-19 21:08:05,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-19 21:08:05,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-19 21:08:05,608 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 392 [2020-07-19 21:08:05,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:08:05,609 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-19 21:08:05,609 INFO L480 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-07-19 21:08:05,609 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-19 21:08:05,609 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-19 21:08:05,824 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2020-07-19 21:08:05,827 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-19 21:08:06,529 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 228 [2020-07-19 21:08:11,920 WARN L193 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 535 DAG size of output: 400 [2020-07-19 21:08:18,832 WARN L193 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 529 DAG size of output: 385 [2020-07-19 21:08:19,149 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 497 DAG size of output: 312 [2020-07-19 21:08:23,316 WARN L193 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 576 DAG size of output: 206 [2020-07-19 21:08:28,488 WARN L193 SmtUtils]: Spent 995.00 ms on a formula simplification. DAG size of input: 721 DAG size of output: 531 [2020-07-19 21:08:31,710 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 20 [2020-07-19 21:08:31,905 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 27 [2020-07-19 21:08:34,599 WARN L193 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 219 DAG size of output: 48 [2020-07-19 21:08:34,804 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 1 [2020-07-19 21:08:35,200 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 27 [2020-07-19 21:08:35,736 WARN L193 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 24 [2020-07-19 21:08:35,890 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 1 [2020-07-19 21:08:37,730 WARN L193 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 203 DAG size of output: 47 [2020-07-19 21:08:39,591 WARN L193 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 302 DAG size of output: 35 [2020-07-19 21:08:40,798 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 196 DAG size of output: 45 [2020-07-19 21:08:41,009 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 1 [2020-07-19 21:08:42,341 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 202 DAG size of output: 50 [2020-07-19 21:08:44,026 WARN L193 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 318 DAG size of output: 40 [2020-07-19 21:08:44,281 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 27 [2020-07-19 21:08:44,495 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:08:46,758 WARN L193 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 214 DAG size of output: 77 [2020-07-19 21:08:51,138 WARN L193 SmtUtils]: Spent 4.36 s on a formula simplification. DAG size of input: 352 DAG size of output: 68 [2020-07-19 21:08:51,344 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 1 [2020-07-19 21:08:52,022 WARN L193 SmtUtils]: Spent 645.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 1 [2020-07-19 21:08:55,711 WARN L193 SmtUtils]: Spent 3.68 s on a formula simplification. DAG size of input: 278 DAG size of output: 57 [2020-07-19 21:08:56,037 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 17 [2020-07-19 21:08:56,591 WARN L193 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 24 [2020-07-19 21:08:57,960 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 266 DAG size of output: 57 [2020-07-19 21:08:58,815 WARN L193 SmtUtils]: Spent 849.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 57 [2020-07-19 21:09:01,578 WARN L193 SmtUtils]: Spent 2.75 s on a formula simplification. DAG size of input: 240 DAG size of output: 54 [2020-07-19 21:09:06,097 WARN L193 SmtUtils]: Spent 4.50 s on a formula simplification. DAG size of input: 333 DAG size of output: 58 [2020-07-19 21:09:06,460 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 48 [2020-07-19 21:09:08,463 WARN L193 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 213 DAG size of output: 46 [2020-07-19 21:09:10,401 WARN L193 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 197 DAG size of output: 42 [2020-07-19 21:09:10,584 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 1 [2020-07-19 21:09:12,184 WARN L193 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 203 DAG size of output: 49 [2020-07-19 21:09:12,370 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 1 [2020-07-19 21:09:12,575 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 29 [2020-07-19 21:09:12,770 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 27 [2020-07-19 21:09:13,843 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 187 DAG size of output: 65 [2020-07-19 21:09:14,054 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 29 [2020-07-19 21:09:15,551 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 208 DAG size of output: 46 [2020-07-19 21:09:16,589 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 183 DAG size of output: 61 [2020-07-19 21:09:17,612 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 195 DAG size of output: 47 [2020-07-19 21:09:19,059 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 203 DAG size of output: 73 [2020-07-19 21:09:19,250 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 18 [2020-07-19 21:09:20,840 WARN L193 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 211 DAG size of output: 48 [2020-07-19 21:09:21,045 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 1 [2020-07-19 21:09:21,239 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 27 [2020-07-19 21:09:21,459 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 1 [2020-07-19 21:09:21,685 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 24 [2020-07-19 21:09:22,904 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 201 DAG size of output: 50 [2020-07-19 21:09:25,097 WARN L193 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 238 DAG size of output: 53 [2020-07-19 21:09:26,603 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 244 DAG size of output: 23 [2020-07-19 21:09:26,927 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 17 [2020-07-19 21:09:28,815 WARN L193 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 416 DAG size of output: 72 [2020-07-19 21:09:31,764 WARN L193 SmtUtils]: Spent 2.93 s on a formula simplification. DAG size of input: 343 DAG size of output: 37 [2020-07-19 21:09:31,966 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 1 [2020-07-19 21:09:32,172 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 1 [2020-07-19 21:09:32,373 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 27 [2020-07-19 21:09:32,377 INFO L268 CegarLoopResult]: For program point L544(lines 521 545) no Hoare annotation was computed. [2020-07-19 21:09:32,377 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 497 552) no Hoare annotation was computed. [2020-07-19 21:09:32,377 INFO L268 CegarLoopResult]: For program point L528(lines 528 532) no Hoare annotation was computed. [2020-07-19 21:09:32,377 INFO L268 CegarLoopResult]: For program point L528-1(lines 528 532) no Hoare annotation was computed. [2020-07-19 21:09:32,377 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-07-19 21:09:32,377 INFO L268 CegarLoopResult]: For program point L522-2(lines 522 543) no Hoare annotation was computed. [2020-07-19 21:09:32,378 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 497 552) no Hoare annotation was computed. [2020-07-19 21:09:32,378 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 497 552) no Hoare annotation was computed. [2020-07-19 21:09:32,378 INFO L268 CegarLoopResult]: For program point L579-2(lines 579 604) no Hoare annotation was computed. [2020-07-19 21:09:32,378 INFO L268 CegarLoopResult]: For program point L605(lines 578 606) no Hoare annotation was computed. [2020-07-19 21:09:32,378 INFO L268 CegarLoopResult]: For program point L598(line 598) no Hoare annotation was computed. [2020-07-19 21:09:32,379 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 553 612) no Hoare annotation was computed. [2020-07-19 21:09:32,379 INFO L268 CegarLoopResult]: For program point L598-1(line 598) no Hoare annotation was computed. [2020-07-19 21:09:32,379 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 553 612) no Hoare annotation was computed. [2020-07-19 21:09:32,379 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 553 612) no Hoare annotation was computed. [2020-07-19 21:09:32,379 INFO L268 CegarLoopResult]: For program point L585(lines 585 589) no Hoare annotation was computed. [2020-07-19 21:09:32,379 INFO L268 CegarLoopResult]: For program point L585-1(lines 585 589) no Hoare annotation was computed. [2020-07-19 21:09:32,380 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-07-19 21:09:32,380 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 829 835) the Hoare annotation is: true [2020-07-19 21:09:32,380 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 829 835) no Hoare annotation was computed. [2020-07-19 21:09:32,380 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 836 844) no Hoare annotation was computed. [2020-07-19 21:09:32,380 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 836 844) the Hoare annotation is: true [2020-07-19 21:09:32,380 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 836 844) no Hoare annotation was computed. [2020-07-19 21:09:32,381 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 848 855) the Hoare annotation is: (or (not (= 1 ~waterLevel~0)) (not (= 0 ~methaneLevelCritical~0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-19 21:09:32,381 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 848 855) no Hoare annotation was computed. [2020-07-19 21:09:32,381 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 848 855) no Hoare annotation was computed. [2020-07-19 21:09:32,381 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 856 865) the Hoare annotation is: (let ((.cse11 (not (= 0 ~systemActive~0))) (.cse13 (not (<= 1 ~waterLevel~0))) (.cse2 (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|))) (.cse12 (not (<= ~waterLevel~0 1))) (.cse14 (not (= 1 ~waterLevel~0))) (.cse9 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not (<= ~waterLevel~0 2))) (.cse8 (not (< 1 ~waterLevel~0))) (.cse4 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (<= 0 ~waterLevel~0))) (.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse10 (not (= 0 ~pumpRunning~0))) (.cse5 (not (<= ~waterLevel~0 0))) (.cse6 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse7 .cse1 .cse8 .cse3 .cse4 .cse6) (or .cse9 .cse0 .cse3 .cse10 .cse5 .cse6) (or .cse7 .cse1 .cse8 .cse3 .cse10 .cse6) (or .cse11 .cse3 .cse12 .cse10) (or .cse9 .cse0 .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse13 .cse1 .cse2 .cse3 .cse12 .cse4 .cse6) (or (not (= 2 ~waterLevel~0)) .cse11 .cse3 .cse10) (or .cse9 .cse7 .cse8 .cse3 .cse10 .cse6) (or .cse14 .cse1 .cse3 .cse10 .cse6) (or .cse13 .cse9 .cse2 .cse3 .cse12 .cse4 .cse6) (or .cse9 .cse14 .cse3 .cse10 .cse6) (or .cse9 .cse7 .cse8 .cse3 .cse4 .cse6) (or .cse0 .cse1 .cse3 .cse10 .cse5 .cse6))) [2020-07-19 21:09:32,382 INFO L268 CegarLoopResult]: For program point L861(line 861) no Hoare annotation was computed. [2020-07-19 21:09:32,382 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 856 865) no Hoare annotation was computed. [2020-07-19 21:09:32,382 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 856 865) no Hoare annotation was computed. [2020-07-19 21:09:32,382 INFO L264 CegarLoopResult]: At program point L881(line 881) the Hoare annotation is: (let ((.cse0 (not (<= 0 ~waterLevel~0))) (.cse3 (not (<= ~waterLevel~0 0))) (.cse5 (not (<= ~waterLevel~0 2))) (.cse9 (not (< 1 ~waterLevel~0))) (.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse7 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse8 (not (<= 1 ~pumpRunning~0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse10 (not (= 1 ~waterLevel~0))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 (not (= 0 ~systemActive~0)) .cse2) (or .cse6 .cse0 .cse2 .cse3 .cse4) (or (not (<= 1 ~waterLevel~0)) .cse1 (not (<= ~waterLevel~0 1)) .cse2 .cse4) (or .cse0 .cse1 .cse7 .cse8 .cse3 .cse4) (or .cse6 .cse5 .cse9 .cse2 .cse4) (or .cse5 .cse1 .cse9 .cse8 .cse4) (or .cse5 .cse1 .cse9 .cse2 .cse4) (or .cse10 .cse1 .cse7 .cse8 .cse4) (or .cse6 .cse10 .cse2 .cse4))) [2020-07-19 21:09:32,382 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 866 894) the Hoare annotation is: true [2020-07-19 21:09:32,382 INFO L268 CegarLoopResult]: For program point L879(lines 879 885) no Hoare annotation was computed. [2020-07-19 21:09:32,383 INFO L268 CegarLoopResult]: For program point L878(lines 878 888) no Hoare annotation was computed. [2020-07-19 21:09:32,383 INFO L264 CegarLoopResult]: At program point L876(line 876) the Hoare annotation is: (let ((.cse11 (not (< 1 ~waterLevel~0))) (.cse10 (not (<= ~waterLevel~0 2))) (.cse12 (not (= 0 ~systemActive~0))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse6 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse7 (not (<= 1 ~pumpRunning~0))) (.cse1 (not (= 1 ~waterLevel~0))) (.cse0 (= __utac_acc__Specification5_spec__3_~tmp~9 ~waterLevel~0)) (.cse9 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (<= 0 ~waterLevel~0))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse8 (not (<= ~waterLevel~0 0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse2 .cse6 .cse7 .cse8 .cse4) (or .cse0 .cse5 .cse2 .cse3 .cse8 .cse4) (or .cse9 .cse10 .cse11 .cse3 .cse4) (or .cse10 .cse2 .cse11 .cse7 .cse4) (or .cse10 .cse2 .cse11 .cse3 .cse4) (or .cse0 .cse10 .cse12 .cse3) (or .cse12 (not (= 2 ~waterLevel~0)) .cse3) (or (not (<= 1 ~waterLevel~0)) .cse0 .cse2 .cse6 (not (<= ~waterLevel~0 1)) .cse7 .cse4) (or .cse0 .cse9 .cse1 .cse3 .cse4) (or .cse0 .cse9 .cse5 .cse3 .cse8 .cse4))) [2020-07-19 21:09:32,383 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 866 894) no Hoare annotation was computed. [2020-07-19 21:09:32,383 INFO L268 CegarLoopResult]: For program point L876-1(line 876) no Hoare annotation was computed. [2020-07-19 21:09:32,383 INFO L268 CegarLoopResult]: For program point L874(lines 874 891) no Hoare annotation was computed. [2020-07-19 21:09:32,383 INFO L268 CegarLoopResult]: For program point L874-1(lines 866 894) no Hoare annotation was computed. [2020-07-19 21:09:32,383 INFO L271 CegarLoopResult]: At program point L872(line 872) the Hoare annotation is: true [2020-07-19 21:09:32,383 INFO L268 CegarLoopResult]: For program point L872-1(line 872) no Hoare annotation was computed. [2020-07-19 21:09:32,383 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 421 443) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0))) [2020-07-19 21:09:32,384 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 421 443) no Hoare annotation was computed. [2020-07-19 21:09:32,384 INFO L264 CegarLoopResult]: At program point L433(line 433) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and (= 1 main_~tmp~5) (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= main_~tmp~5 ~systemActive~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 21:09:32,384 INFO L264 CegarLoopResult]: At program point L433-1(line 433) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and (= 1 main_~tmp~5) (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= main_~tmp~5 ~systemActive~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 21:09:32,384 INFO L268 CegarLoopResult]: For program point L431(lines 431 438) no Hoare annotation was computed. [2020-07-19 21:09:32,384 INFO L268 CegarLoopResult]: For program point L431-1(lines 431 438) no Hoare annotation was computed. [2020-07-19 21:09:32,384 INFO L268 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-07-19 21:09:32,384 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 421 443) no Hoare annotation was computed. [2020-07-19 21:09:32,384 INFO L264 CegarLoopResult]: At program point L428(line 428) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0))) [2020-07-19 21:09:32,384 INFO L264 CegarLoopResult]: At program point L427(line 427) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0))) [2020-07-19 21:09:32,384 INFO L264 CegarLoopResult]: At program point L427-1(line 427) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0))) [2020-07-19 21:09:32,384 INFO L268 CegarLoopResult]: For program point L385(line 385) no Hoare annotation was computed. [2020-07-19 21:09:32,385 INFO L268 CegarLoopResult]: For program point L384(line 384) no Hoare annotation was computed. [2020-07-19 21:09:32,385 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 375 398) no Hoare annotation was computed. [2020-07-19 21:09:32,385 INFO L268 CegarLoopResult]: For program point L383(line 383) no Hoare annotation was computed. [2020-07-19 21:09:32,385 INFO L268 CegarLoopResult]: For program point L382(line 382) no Hoare annotation was computed. [2020-07-19 21:09:32,385 INFO L268 CegarLoopResult]: For program point L381(line 381) no Hoare annotation was computed. [2020-07-19 21:09:32,385 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 375 398) no Hoare annotation was computed. [2020-07-19 21:09:32,385 INFO L268 CegarLoopResult]: For program point L380(line 380) no Hoare annotation was computed. [2020-07-19 21:09:32,385 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 375 398) no Hoare annotation was computed. [2020-07-19 21:09:32,385 INFO L268 CegarLoopResult]: For program point L393(line 393) no Hoare annotation was computed. [2020-07-19 21:09:32,385 INFO L268 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2020-07-19 21:09:32,385 INFO L268 CegarLoopResult]: For program point L391(line 391) no Hoare annotation was computed. [2020-07-19 21:09:32,385 INFO L268 CegarLoopResult]: For program point L390(line 390) no Hoare annotation was computed. [2020-07-19 21:09:32,386 INFO L268 CegarLoopResult]: For program point L389(line 389) no Hoare annotation was computed. [2020-07-19 21:09:32,386 INFO L268 CegarLoopResult]: For program point L388(line 388) no Hoare annotation was computed. [2020-07-19 21:09:32,386 INFO L268 CegarLoopResult]: For program point L387(line 387) no Hoare annotation was computed. [2020-07-19 21:09:32,386 INFO L268 CegarLoopResult]: For program point L386(line 386) no Hoare annotation was computed. [2020-07-19 21:09:32,386 INFO L264 CegarLoopResult]: At program point L118(line 118) the Hoare annotation is: (let ((.cse9 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse8 (not (<= 1 |old(~pumpRunning~0)|))) (.cse10 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse7 (not (<= 1 ~waterLevel~0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (<= ~waterLevel~0 2))) (.cse5 (not (<= 0 ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse6 (not (<= ~waterLevel~0 0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (not (< 1 ~waterLevel~0)) .cse3) (or .cse4 .cse5 .cse1 .cse6 .cse3) (or (not (= 1 ~waterLevel~0)) .cse1 .cse2 .cse3) (or .cse7 .cse8 .cse9 .cse10 .cse2 (not (<= ~waterLevel~0 1)) .cse3) (or .cse5 .cse9 .cse8 .cse10 .cse2 .cse6 .cse3) (or .cse7 .cse4 .cse0 .cse1 .cse3) (or .cse5 .cse1 .cse2 .cse6 .cse3))) [2020-07-19 21:09:32,386 INFO L268 CegarLoopResult]: For program point L118-1(lines 99 123) no Hoare annotation was computed. [2020-07-19 21:09:32,386 INFO L264 CegarLoopResult]: At program point L113(line 113) the Hoare annotation is: (let ((.cse5 (not (<= 0 ~waterLevel~0))) (.cse6 (not (<= ~waterLevel~0 0))) (.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse10 (not (<= ~waterLevel~0 2))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (and (= 0 processEnvironment__wrappee__methaneQuery_~tmp~0) (= 0 ~pumpRunning~0))) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse8 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse9 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (<= ~waterLevel~0 1)) .cse4) (or .cse1 .cse5 .cse2 .cse3 .cse6 .cse4) (or .cse5 .cse7 .cse8 .cse9 .cse6 .cse4) (or .cse5 .cse2 .cse3 .cse9 .cse6 .cse4) (or .cse0 .cse10 .cse2 .cse3 .cse9 .cse4) (or .cse1 .cse10 .cse2 .cse3 (not (< 1 ~waterLevel~0)) .cse4) (or (not (= 1 ~waterLevel~0)) .cse7 .cse8 .cse9 .cse4))) [2020-07-19 21:09:32,387 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 99 123) the Hoare annotation is: (let ((.cse11 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse10 (not (<= 1 |old(~pumpRunning~0)|))) (.cse12 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse8 (not (<= ~waterLevel~0 2))) (.cse9 (not (< 1 ~waterLevel~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (= 1 ~waterLevel~0))) (.cse1 (not (<= 0 ~waterLevel~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (= 0 ~pumpRunning~0)) (.cse4 (not (<= ~waterLevel~0 0))) (.cse5 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse2 .cse7 .cse3 .cse5) (or .cse8 .cse2 .cse7 .cse9 .cse3 .cse5) (or (not (<= 1 ~waterLevel~0)) .cse10 .cse11 .cse12 .cse7 (not (<= ~waterLevel~0 1)) .cse5) (or .cse1 .cse11 .cse10 .cse12 .cse7 .cse4 .cse5) (or .cse0 .cse8 .cse2 .cse9 .cse3 .cse5) (or .cse0 .cse6 .cse2 .cse3 .cse5) (or .cse1 .cse2 .cse7 .cse3 .cse4 .cse5))) [2020-07-19 21:09:32,387 INFO L264 CegarLoopResult]: At program point L109(line 109) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not (<= ~waterLevel~0 2))) (.cse8 (not (< 1 ~waterLevel~0))) (.cse9 (= 0 ~pumpRunning~0)) (.cse1 (not (<= 0 ~waterLevel~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (<= ~waterLevel~0 0))) (.cse5 (not (= 1 ~waterLevel~0))) (.cse10 (not (<= 1 |old(~pumpRunning~0)|))) (.cse11 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse2 .cse6 .cse4) (or (not (<= 1 ~waterLevel~0)) .cse0 .cse2 (not (<= ~waterLevel~0 1)) .cse4) (or .cse7 .cse2 .cse6 .cse8 .cse9 .cse4) (or .cse1 .cse10 .cse11 .cse6 .cse3 .cse4) (or .cse0 .cse7 .cse2 .cse8 .cse9 .cse4) (or .cse1 .cse2 .cse6 .cse3 .cse4) (or .cse5 .cse10 .cse11 .cse6 .cse4))) [2020-07-19 21:09:32,387 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 99 123) no Hoare annotation was computed. [2020-07-19 21:09:32,387 INFO L268 CegarLoopResult]: For program point L107(lines 107 115) no Hoare annotation was computed. [2020-07-19 21:09:32,387 INFO L264 CegarLoopResult]: At program point L105(line 105) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (not (<= ~waterLevel~0 2))) (.cse6 (not (<= 0 ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0)) (.cse7 (not (<= ~waterLevel~0 0))) (.cse9 (not (<= 1 |old(~pumpRunning~0)|))) (.cse10 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (<= ~waterLevel~0 1)) .cse4) (or .cse5 .cse6 .cse1 .cse3 .cse7 .cse4) (or .cse8 .cse1 .cse2 (not (< 1 ~waterLevel~0)) .cse3 .cse4) (or .cse0 .cse5 .cse8 .cse1 .cse3 .cse4) (or .cse6 .cse9 .cse10 .cse2 .cse7 .cse4) (or .cse6 .cse1 .cse2 .cse3 .cse7 .cse4) (or (not (= 1 ~waterLevel~0)) .cse9 .cse10 .cse2 .cse4))) [2020-07-19 21:09:32,388 INFO L268 CegarLoopResult]: For program point L105-1(line 105) no Hoare annotation was computed. [2020-07-19 21:09:32,388 INFO L268 CegarLoopResult]: For program point L103(lines 103 120) no Hoare annotation was computed. [2020-07-19 21:09:32,388 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 258 272) no Hoare annotation was computed. [2020-07-19 21:09:32,388 INFO L264 CegarLoopResult]: At program point L264(line 264) the Hoare annotation is: (let ((.cse0 (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse3 (= 0 |old(~systemActive~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 (not (<= ~waterLevel~0 0))) (or .cse0 .cse1 (not (= 2 ~waterLevel~0)) .cse3) (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 (not (= 1 ~waterLevel~0)) .cse1 .cse2 .cse3))) [2020-07-19 21:09:32,388 INFO L268 CegarLoopResult]: For program point L262(lines 262 268) no Hoare annotation was computed. [2020-07-19 21:09:32,388 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 258 272) the Hoare annotation is: (let ((.cse4 (= |old(~systemActive~0)| ~systemActive~0))) (let ((.cse0 (and .cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse3 (= 0 |old(~systemActive~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 (not (<= ~waterLevel~0 0))) (or .cse0 .cse1 (not (= 2 ~waterLevel~0)) .cse3) (or .cse0 (not (= 1 ~waterLevel~0)) .cse1 .cse2 .cse3) (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse4 (= 0 ~pumpRunning~0)))))) [2020-07-19 21:09:32,388 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 258 272) no Hoare annotation was computed. [2020-07-19 21:09:32,389 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 194 202) no Hoare annotation was computed. [2020-07-19 21:09:32,389 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 194 202) the Hoare annotation is: true [2020-07-19 21:09:32,389 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 194 202) no Hoare annotation was computed. [2020-07-19 21:09:32,389 INFO L268 CegarLoopResult]: For program point L222(lines 222 230) no Hoare annotation was computed. [2020-07-19 21:09:32,389 INFO L268 CegarLoopResult]: For program point L222-2(lines 222 230) no Hoare annotation was computed. [2020-07-19 21:09:32,389 INFO L268 CegarLoopResult]: For program point L210(lines 210 218) no Hoare annotation was computed. [2020-07-19 21:09:32,389 INFO L268 CegarLoopResult]: For program point L210-2(lines 210 218) no Hoare annotation was computed. [2020-07-19 21:09:32,389 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 203 238) no Hoare annotation was computed. [2020-07-19 21:09:32,389 INFO L268 CegarLoopResult]: For program point L233(line 233) no Hoare annotation was computed. [2020-07-19 21:09:32,390 INFO L268 CegarLoopResult]: For program point L233-1(line 233) no Hoare annotation was computed. [2020-07-19 21:09:32,390 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 203 238) no Hoare annotation was computed. [2020-07-19 21:09:32,390 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 203 238) no Hoare annotation was computed. [2020-07-19 21:09:32,390 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 822 828) no Hoare annotation was computed. [2020-07-19 21:09:32,390 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 822 828) the Hoare annotation is: true [2020-07-19 21:09:32,390 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 451 496) no Hoare annotation was computed. [2020-07-19 21:09:32,390 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 451 496) no Hoare annotation was computed. [2020-07-19 21:09:32,390 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 451 496) no Hoare annotation was computed. [2020-07-19 21:09:32,390 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 764 809) no Hoare annotation was computed. [2020-07-19 21:09:32,390 INFO L268 CegarLoopResult]: For program point L784(lines 784 791) no Hoare annotation was computed. [2020-07-19 21:09:32,391 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 764 809) no Hoare annotation was computed. [2020-07-19 21:09:32,391 INFO L268 CegarLoopResult]: For program point L778(lines 778 798) no Hoare annotation was computed. [2020-07-19 21:09:32,391 INFO L268 CegarLoopResult]: For program point L778-1(lines 778 798) no Hoare annotation was computed. [2020-07-19 21:09:32,391 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 764 809) no Hoare annotation was computed. [2020-07-19 21:09:32,391 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 407 417) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0))) [2020-07-19 21:09:32,391 INFO L264 CegarLoopResult]: At program point L412(line 412) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 21:09:32,391 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 407 417) no Hoare annotation was computed. [2020-07-19 21:09:32,391 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 407 417) no Hoare annotation was computed. [2020-07-19 21:09:32,392 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 183 193) the Hoare annotation is: true [2020-07-19 21:09:32,392 INFO L271 CegarLoopResult]: At program point L188(line 188) the Hoare annotation is: true [2020-07-19 21:09:32,392 INFO L268 CegarLoopResult]: For program point L188-1(line 188) no Hoare annotation was computed. [2020-07-19 21:09:32,392 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 183 193) no Hoare annotation was computed. [2020-07-19 21:09:32,392 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 183 193) no Hoare annotation was computed. [2020-07-19 21:09:32,392 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 175 182) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (not (<= ~waterLevel~0 2)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse2) (or .cse0 .cse1 (not (= 2 ~waterLevel~0)) .cse2))) [2020-07-19 21:09:32,392 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 175 182) no Hoare annotation was computed. [2020-07-19 21:09:32,392 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 175 182) no Hoare annotation was computed. [2020-07-19 21:09:32,392 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 975 988) no Hoare annotation was computed. [2020-07-19 21:09:32,393 INFO L268 CegarLoopResult]: For program point L979(lines 979 985) no Hoare annotation was computed. [2020-07-19 21:09:32,393 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 975 988) the Hoare annotation is: true [2020-07-19 21:09:32,393 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 975 988) no Hoare annotation was computed. [2020-07-19 21:09:32,393 INFO L268 CegarLoopResult]: For program point L129(lines 129 146) no Hoare annotation was computed. [2020-07-19 21:09:32,393 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 125 149) no Hoare annotation was computed. [2020-07-19 21:09:32,393 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 125 149) the Hoare annotation is: (let ((.cse8 (not (<= ~waterLevel~0 2))) (.cse9 (not (< 1 ~waterLevel~0))) (.cse6 (not (= 1 ~waterLevel~0))) (.cse10 (not (<= 1 ~waterLevel~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse11 (not (<= 1 |old(~pumpRunning~0)|))) (.cse12 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse13 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse14 (not (<= ~waterLevel~0 1))) (.cse1 (not (<= 0 ~waterLevel~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (= 0 ~pumpRunning~0)) (.cse4 (not (<= ~waterLevel~0 0))) (.cse5 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse2 .cse7 .cse3 .cse5) (or .cse8 .cse2 .cse7 .cse9 .cse3 .cse5) (or .cse10 .cse11 .cse12 .cse13 .cse7 .cse14 .cse5) (or .cse1 .cse12 .cse11 .cse13 .cse7 .cse4 .cse5) (or .cse0 .cse8 .cse2 .cse9 .cse3 .cse5) (or .cse0 .cse6 .cse2 .cse3 .cse5) (or .cse0 .cse1 .cse11 .cse12 .cse13 .cse4 .cse5) (or .cse10 .cse0 .cse11 .cse12 .cse13 .cse14 .cse5) (or .cse1 .cse2 .cse7 .cse3 .cse4 .cse5))) [2020-07-19 21:09:32,394 INFO L264 CegarLoopResult]: At program point L144(line 144) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse8 (not (<= ~waterLevel~0 2))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (<= 0 ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0)) (.cse7 (not (<= ~waterLevel~0 0))) (.cse11 (not (= 1 ~waterLevel~0))) (.cse9 (not (<= 1 |old(~pumpRunning~0)|))) (.cse10 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (<= ~waterLevel~0 1)) .cse4) (or .cse5 .cse6 .cse1 .cse3 .cse7 .cse4) (or .cse8 .cse1 .cse2 (not (< 1 ~waterLevel~0)) .cse3 .cse4) (or .cse0 .cse5 .cse8 .cse1 .cse3 .cse4) (or .cse5 .cse6 .cse9 .cse10 .cse7 .cse4) (or .cse6 .cse9 .cse10 .cse2 .cse7 .cse4) (or .cse5 .cse11 .cse9 .cse10 .cse4) (or .cse6 .cse1 .cse2 .cse3 .cse7 .cse4) (or .cse11 .cse9 .cse10 .cse2 .cse4))) [2020-07-19 21:09:32,394 INFO L268 CegarLoopResult]: For program point L144-1(lines 125 149) no Hoare annotation was computed. [2020-07-19 21:09:32,394 INFO L264 CegarLoopResult]: At program point L139(line 139) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse11 (not (<= 1 ~waterLevel~0))) (.cse8 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 processEnvironment_~tmp~1))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not (= 1 ~waterLevel~0))) (.cse9 (not (<= 1 |old(~pumpRunning~0)|))) (.cse10 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse5 (not (<= 0 ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse6 (not (<= ~waterLevel~0 0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (not (< 1 ~waterLevel~0)) .cse3) (or .cse4 .cse5 .cse1 .cse6 .cse3) (or .cse7 .cse1 .cse2 .cse3) (or .cse5 .cse8 .cse9 .cse10 .cse2 .cse6 .cse3) (or .cse11 .cse4 .cse0 .cse1 .cse3) (or .cse4 .cse5 .cse9 .cse10 .cse6 .cse3) (or .cse11 .cse8 .cse9 .cse10 .cse2 (not (<= ~waterLevel~0 1)) .cse3) (or .cse4 .cse7 .cse9 .cse10 .cse3) (or .cse5 .cse1 .cse2 .cse6 .cse3))) [2020-07-19 21:09:32,394 INFO L264 CegarLoopResult]: At program point L135(line 135) the Hoare annotation is: (let ((.cse8 (not (<= 1 ~waterLevel~0))) (.cse0 (not (<= ~waterLevel~0 2))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse11 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~methaneLevelCritical~0 processEnvironment_~tmp~1))) (.cse5 (not (<= 0 ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (<= ~waterLevel~0 0))) (.cse7 (not (= 1 ~waterLevel~0))) (.cse9 (not (<= 1 |old(~pumpRunning~0)|))) (.cse10 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (not (< 1 ~waterLevel~0)) .cse3) (or .cse4 .cse5 .cse1 .cse6 .cse3) (or .cse7 .cse1 .cse2 .cse3) (or .cse8 .cse4 .cse9 .cse10 (not (<= ~waterLevel~0 1)) .cse11 .cse3) (or .cse8 .cse4 .cse0 .cse1 .cse3) (or .cse5 .cse9 .cse10 .cse2 .cse6 .cse3) (or .cse4 .cse5 .cse9 .cse10 .cse11 .cse6 .cse3) (or .cse5 .cse1 .cse2 .cse6 .cse3) (or .cse7 .cse9 .cse10 .cse2 .cse3))) [2020-07-19 21:09:32,394 INFO L268 CegarLoopResult]: For program point L133(lines 133 141) no Hoare annotation was computed. [2020-07-19 21:09:32,395 INFO L264 CegarLoopResult]: At program point L131(line 131) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse5 (not (<= 0 ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse6 (not (<= ~waterLevel~0 0))) (.cse7 (not (<= 1 ~waterLevel~0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (not (<= 1 |old(~pumpRunning~0)|))) (.cse9 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse10 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse11 (not (<= ~waterLevel~0 1))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (not (< 1 ~waterLevel~0)) .cse3) (or .cse4 .cse5 .cse1 .cse6 .cse3) (or (not (= 1 ~waterLevel~0)) .cse1 .cse2 .cse3) (or .cse7 .cse8 .cse9 .cse10 .cse2 .cse11 .cse3) (or .cse5 .cse9 .cse8 .cse10 .cse2 .cse6 .cse3) (or .cse7 .cse4 .cse0 .cse1 .cse3) (or .cse4 .cse5 .cse8 .cse9 .cse10 .cse6 .cse3) (or .cse5 .cse1 .cse2 .cse6 .cse3) (or .cse7 .cse4 .cse8 .cse9 .cse10 .cse11 .cse3))) [2020-07-19 21:09:32,395 INFO L268 CegarLoopResult]: For program point L131-1(line 131) no Hoare annotation was computed. [2020-07-19 21:09:32,395 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 91 97) no Hoare annotation was computed. [2020-07-19 21:09:32,395 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 91 97) the Hoare annotation is: true [2020-07-19 21:09:32,395 INFO L268 CegarLoopResult]: For program point L289(lines 289 293) no Hoare annotation was computed. [2020-07-19 21:09:32,395 INFO L264 CegarLoopResult]: At program point testENTRY(lines 277 342) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 21:09:32,395 INFO L268 CegarLoopResult]: For program point testFINAL(lines 277 342) no Hoare annotation was computed. [2020-07-19 21:09:32,396 INFO L264 CegarLoopResult]: At program point L335(lines 286 336) the Hoare annotation is: (or (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 21:09:32,396 INFO L264 CegarLoopResult]: At program point L325(line 325) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse2 (= 2 ~waterLevel~0)) (.cse0 (< test_~splverifierCounter~0 4)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and .cse0 .cse1 (<= ~waterLevel~0 1)) (and .cse0 .cse2 .cse1) (and .cse0 .cse3 .cse2 .cse4) (not (<= 1 |old(~waterLevel~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse3 (<= ~waterLevel~0 2) .cse4))) [2020-07-19 21:09:32,396 INFO L268 CegarLoopResult]: For program point L323(lines 323 329) no Hoare annotation was computed. [2020-07-19 21:09:32,396 INFO L264 CegarLoopResult]: At program point L323-1(lines 317 330) the Hoare annotation is: (let ((.cse12 (= 2 ~waterLevel~0)) (.cse0 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse2 (not (= 2 |old(~waterLevel~0)|))) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (<= 1 ~waterLevel~0)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse1 (< test_~splverifierCounter~0 4)) (.cse8 (= 0 ~methaneLevelCritical~0)) (.cse10 (<= 0 ~waterLevel~0)) (.cse9 (= 0 ~pumpRunning~0)) (.cse11 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse6 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse1 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) .cse4 .cse6 .cse7 (<= (+ |old(~waterLevel~0)| 1) ~waterLevel~0)) (and .cse1 .cse8 .cse5 .cse9 (<= ~waterLevel~0 1) .cse6) (and .cse1 (= 0 ~systemActive~0) .cse4 .cse9) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse3 .cse10 .cse11 .cse6 .cse7) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 .cse3 .cse12 .cse6 .cse7) (not (<= 1 |old(~waterLevel~0)|)) (not (<= |old(~waterLevel~0)| 1)) (and .cse1 .cse3 .cse9 .cse12 .cse6) (and .cse0 .cse1 .cse8 .cse10 .cse11 .cse6 .cse7) (and .cse1 .cse8 .cse9 .cse12 .cse6) (and .cse0 .cse1 .cse8 .cse2 .cse4 .cse5 .cse6 .cse7) (and .cse1 .cse3 .cse9 (= 1 ~waterLevel~0) .cse6) (and .cse1 .cse3 .cse10 .cse9 .cse11 .cse6) (not (= 1 |old(~systemActive~0)|)) (and .cse1 .cse8 .cse10 .cse9 .cse11 .cse6))) [2020-07-19 21:09:32,396 INFO L268 CegarLoopResult]: For program point L288(lines 287 334) no Hoare annotation was computed. [2020-07-19 21:09:32,396 INFO L268 CegarLoopResult]: For program point L317(lines 317 330) no Hoare annotation was computed. [2020-07-19 21:09:32,397 INFO L264 CegarLoopResult]: At program point L309(line 309) the Hoare annotation is: (let ((.cse2 (<= ~waterLevel~0 2)) (.cse3 (<= 1 ~waterLevel~0)) (.cse9 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse12 (= 2 ~waterLevel~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse13 (= 0 ~systemActive~0)) (.cse8 (<= ~waterLevel~0 1)) (.cse0 (< test_~splverifierCounter~0 4)) (.cse7 (= 0 ~methaneLevelCritical~0)) (.cse10 (<= 0 ~waterLevel~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse11 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse5 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) .cse2 .cse5 .cse6 (<= (+ |old(~waterLevel~0)| 1) ~waterLevel~0)) (and .cse0 .cse7 .cse3 .cse4 .cse8 .cse5) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse9 .cse0 .cse7 .cse2 .cse3 .cse5 .cse6) (not (<= 1 |old(~waterLevel~0)|)) (not (<= |old(~waterLevel~0)| 1)) (and .cse9 .cse0 .cse7 .cse10 .cse11 .cse5 .cse6) (and .cse0 .cse7 .cse4 .cse12 .cse5) (and .cse0 .cse13 .cse4 .cse12) (and .cse0 .cse1 .cse10 .cse4 .cse11 .cse5) (not (= 1 |old(~systemActive~0)|)) (and .cse0 .cse13 .cse4 .cse8) (and .cse0 .cse7 .cse10 .cse4 .cse11 .cse5))) [2020-07-19 21:09:32,397 INFO L268 CegarLoopResult]: For program point L307(lines 307 313) no Hoare annotation was computed. [2020-07-19 21:09:32,397 INFO L268 CegarLoopResult]: For program point L307-1(lines 307 313) no Hoare annotation was computed. [2020-07-19 21:09:32,397 INFO L264 CegarLoopResult]: At program point L332(lines 287 334) the Hoare annotation is: (let ((.cse7 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse8 (= 2 ~waterLevel~0)) (.cse9 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse11 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse10 (<= 1 ~methaneLevelCritical~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse0 (< test_~splverifierCounter~0 4)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse12 (<= 0 ~waterLevel~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse13 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse5 (= 1 ~systemActive~0))) (or (and .cse0 (= 0 ~systemActive~0) .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse3 .cse0 .cse4 (<= 1 ~waterLevel~0) (<= ~waterLevel~0 1) .cse5 .cse6) (and .cse0 .cse7 .cse8 .cse5 .cse6) (and .cse0 .cse9 .cse10 .cse2 .cse11 .cse5) (and .cse0 .cse7 .cse2 .cse8 .cse5) (not (<= 1 |old(~waterLevel~0)|)) (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse4 .cse9 .cse2 .cse11 .cse5) (and .cse3 .cse0 .cse4 .cse12 .cse13 .cse5 .cse6) (and .cse0 .cse10 .cse12 .cse2 .cse13 .cse5) (not (= 1 |old(~systemActive~0)|)) (and .cse0 (< 1 ~waterLevel~0) .cse10 .cse1 .cse2 .cse5) (and .cse0 .cse4 .cse12 .cse2 .cse13 .cse5))) [2020-07-19 21:09:32,398 INFO L264 CegarLoopResult]: At program point L299(line 299) the Hoare annotation is: (let ((.cse6 (<= 1 ~waterLevel~0)) (.cse7 (<= ~waterLevel~0 1)) (.cse10 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse11 (= 2 ~waterLevel~0)) (.cse8 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse9 (<= 1 ~pumpRunning~0)) (.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse4 (<= ~waterLevel~0 2)) (.cse0 (< test_~splverifierCounter~0 4)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse12 (<= 0 ~waterLevel~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse13 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse3 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 (= 1 ~waterLevel~0) .cse3) (and .cse0 (= 0 ~systemActive~0) .cse4 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse5 .cse6 .cse2 .cse7 .cse3) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse8 .cse0 .cse1 .cse6 .cse7 .cse3 .cse9) (and .cse0 .cse10 .cse11 .cse3 .cse9) (and .cse0 .cse10 .cse2 .cse11 .cse3) (not (<= 1 |old(~waterLevel~0)|)) (not (<= |old(~waterLevel~0)| 1)) (and .cse8 .cse0 .cse1 .cse12 .cse13 .cse3 .cse9) (and .cse0 .cse5 .cse12 .cse2 .cse13 .cse3) (not (= 1 |old(~systemActive~0)|)) (and .cse0 (< 1 ~waterLevel~0) .cse5 .cse4 .cse2 .cse3) (and .cse0 .cse1 .cse12 .cse2 .cse13 .cse3))) [2020-07-19 21:09:32,398 INFO L268 CegarLoopResult]: For program point L297(lines 297 303) no Hoare annotation was computed. [2020-07-19 21:09:32,398 INFO L268 CegarLoopResult]: For program point L297-1(lines 297 303) no Hoare annotation was computed. [2020-07-19 21:09:32,398 INFO L268 CegarLoopResult]: For program point testEXIT(lines 277 342) no Hoare annotation was computed. [2020-07-19 21:09:32,398 INFO L268 CegarLoopResult]: For program point L732(lines 732 752) no Hoare annotation was computed. [2020-07-19 21:09:32,398 INFO L268 CegarLoopResult]: For program point L732-1(lines 732 752) no Hoare annotation was computed. [2020-07-19 21:09:32,398 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 718 763) no Hoare annotation was computed. [2020-07-19 21:09:32,398 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 718 763) no Hoare annotation was computed. [2020-07-19 21:09:32,398 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 718 763) no Hoare annotation was computed. [2020-07-19 21:09:32,398 INFO L268 CegarLoopResult]: For program point L738(lines 738 745) no Hoare annotation was computed. [2020-07-19 21:09:32,399 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 150 157) the Hoare annotation is: (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 ~methaneLevelCritical~0)) (not (< 1 ~waterLevel~0)) (= 0 ~pumpRunning~0) (not (= 1 ~systemActive~0))) [2020-07-19 21:09:32,399 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 150 157) no Hoare annotation was computed. [2020-07-19 21:09:32,399 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 150 157) no Hoare annotation was computed. [2020-07-19 21:09:32,399 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 943 965) no Hoare annotation was computed. [2020-07-19 21:09:32,399 INFO L268 CegarLoopResult]: For program point L951(lines 951 959) no Hoare annotation was computed. [2020-07-19 21:09:32,399 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 943 965) no Hoare annotation was computed. [2020-07-19 21:09:32,399 INFO L268 CegarLoopResult]: For program point L951-2(lines 951 959) no Hoare annotation was computed. [2020-07-19 21:09:32,399 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 943 965) no Hoare annotation was computed. [2020-07-19 21:09:32,399 INFO L268 CegarLoopResult]: For program point L704(lines 704 711) no Hoare annotation was computed. [2020-07-19 21:09:32,400 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 615 717) no Hoare annotation was computed. [2020-07-19 21:09:32,400 INFO L268 CegarLoopResult]: For program point L665(lines 664 684) no Hoare annotation was computed. [2020-07-19 21:09:32,400 INFO L268 CegarLoopResult]: For program point L696(line 696) no Hoare annotation was computed. [2020-07-19 21:09:32,400 INFO L268 CegarLoopResult]: For program point L696-1(line 696) no Hoare annotation was computed. [2020-07-19 21:09:32,400 INFO L268 CegarLoopResult]: For program point L661(lines 661 702) no Hoare annotation was computed. [2020-07-19 21:09:32,400 INFO L268 CegarLoopResult]: For program point L680(line 680) no Hoare annotation was computed. [2020-07-19 21:09:32,400 INFO L268 CegarLoopResult]: For program point L680-1(line 680) no Hoare annotation was computed. [2020-07-19 21:09:32,400 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 615 717) no Hoare annotation was computed. [2020-07-19 21:09:32,400 INFO L268 CegarLoopResult]: For program point L639(lines 639 643) no Hoare annotation was computed. [2020-07-19 21:09:32,401 INFO L268 CegarLoopResult]: For program point L703(lines 703 714) no Hoare annotation was computed. [2020-07-19 21:09:32,401 INFO L268 CegarLoopResult]: For program point L666(lines 666 670) no Hoare annotation was computed. [2020-07-19 21:09:32,401 INFO L268 CegarLoopResult]: For program point L664-2(lines 664 684) no Hoare annotation was computed. [2020-07-19 21:09:32,401 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 615 717) no Hoare annotation was computed. [2020-07-19 21:09:32,401 INFO L268 CegarLoopResult]: For program point L685(lines 663 686) no Hoare annotation was computed. [2020-07-19 21:09:32,401 INFO L268 CegarLoopResult]: For program point L644(lines 644 660) no Hoare annotation was computed. [2020-07-19 21:09:32,401 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 812 821) no Hoare annotation was computed. [2020-07-19 21:09:32,401 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 812 821) no Hoare annotation was computed. [2020-07-19 21:09:32,401 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 812 821) no Hoare annotation was computed. [2020-07-19 21:09:32,402 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-19 21:09:32,402 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= |#t~string72.base| |old(#t~string72.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string17.base| |old(#t~string17.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string74.offset| |old(#t~string74.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string74.base| |old(#t~string74.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string11.offset| |old(#t~string11.offset)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string11.base| |old(#t~string11.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string5.base| |old(#t~string5.base)|)) [2020-07-19 21:09:32,402 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-19 21:09:32,402 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 158 174) no Hoare annotation was computed. [2020-07-19 21:09:32,402 INFO L264 CegarLoopResult]: At program point L169(line 169) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (< 1 ~waterLevel~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2 (= 0 ~pumpRunning~0) .cse3) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3))) [2020-07-19 21:09:32,403 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 158 174) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (< 1 ~waterLevel~0))) (.cse3 (= 0 ~pumpRunning~0)) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2 .cse3 .cse4) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3 .cse4))) [2020-07-19 21:09:32,403 INFO L268 CegarLoopResult]: For program point L169-1(lines 158 174) no Hoare annotation was computed. [2020-07-19 21:09:32,403 INFO L268 CegarLoopResult]: For program point L165(lines 165 171) no Hoare annotation was computed. [2020-07-19 21:09:32,403 INFO L264 CegarLoopResult]: At program point L163(line 163) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (< 1 ~waterLevel~0))) (.cse3 (= 0 ~pumpRunning~0)) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2 .cse3 .cse4) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3 .cse4))) [2020-07-19 21:09:32,403 INFO L268 CegarLoopResult]: For program point L163-1(line 163) no Hoare annotation was computed. [2020-07-19 21:09:32,403 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 239 257) no Hoare annotation was computed. [2020-07-19 21:09:32,403 INFO L268 CegarLoopResult]: For program point L248(lines 248 252) no Hoare annotation was computed. [2020-07-19 21:09:32,403 INFO L271 CegarLoopResult]: At program point L246(line 246) the Hoare annotation is: true [2020-07-19 21:09:32,403 INFO L268 CegarLoopResult]: For program point L248-2(lines 248 252) no Hoare annotation was computed. [2020-07-19 21:09:32,404 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 239 257) the Hoare annotation is: true [2020-07-19 21:09:32,404 INFO L268 CegarLoopResult]: For program point L246-1(line 246) no Hoare annotation was computed. [2020-07-19 21:09:32,404 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 239 257) no Hoare annotation was computed. [2020-07-19 21:09:32,404 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 966 974) the Hoare annotation is: true [2020-07-19 21:09:32,404 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 966 974) no Hoare annotation was computed. [2020-07-19 21:09:32,404 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 966 974) no Hoare annotation was computed. [2020-07-19 21:09:32,404 INFO L268 CegarLoopResult]: For program point L926-1(lines 922 933) no Hoare annotation was computed. [2020-07-19 21:09:32,404 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 922 933) the Hoare annotation is: (let ((.cse6 (not (= 1 ~waterLevel~0))) (.cse7 (not (= 0 ~systemActive~0))) (.cse10 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse13 (not (<= 0 ~waterLevel~0))) (.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse3 (not (<= 1 |old(~methaneLevelCritical~0)|))) (.cse8 (not (<= ~waterLevel~0 0))) (.cse12 (= 0 ~methaneLevelCritical~0)) (.cse1 (not (<= ~waterLevel~0 2))) (.cse9 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse2 (not (< 1 ~waterLevel~0))) (.cse11 (not (<= 1 ~pumpRunning~0))) (.cse5 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse4 .cse3 .cse5) (or .cse0 .cse7 .cse4 .cse8) (or .cse0 .cse7 (not (= 2 ~waterLevel~0)) .cse4) (or (not (<= 1 ~waterLevel~0)) .cse0 .cse9 .cse10 (not (<= ~waterLevel~0 1)) .cse11 .cse5) (or .cse12 .cse13 .cse9 .cse4 .cse8 .cse5) (or .cse12 .cse1 .cse9 .cse2 .cse4 .cse5) (or .cse6 .cse0 .cse9 .cse4 .cse5) (or .cse6 .cse0 .cse7 .cse4) (or .cse13 .cse0 .cse9 .cse10 .cse11 .cse8 .cse5) (or .cse13 .cse0 .cse4 .cse3 .cse8 .cse5) (or .cse12 .cse1 .cse9 .cse2 .cse11 .cse5))) [2020-07-19 21:09:32,405 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 922 933) no Hoare annotation was computed. [2020-07-19 21:09:32,405 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-19 21:09:32,405 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-19 21:09:32,405 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-19 21:09:32,405 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 934 942) the Hoare annotation is: true [2020-07-19 21:09:32,405 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 934 942) no Hoare annotation was computed. [2020-07-19 21:09:32,405 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 934 942) no Hoare annotation was computed. [2020-07-19 21:09:32,406 INFO L264 CegarLoopResult]: At program point L80(line 80) the Hoare annotation is: (let ((.cse11 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse12 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse16 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse6 (and .cse11 .cse12 .cse16)) (.cse4 (not (<= |old(~waterLevel~0)| 0))) (.cse8 (not (<= 0 |old(~waterLevel~0)|))) (.cse9 (and (= 0 ~pumpRunning~0) .cse16)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse10 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse13 (not (< 1 |old(~waterLevel~0)|))) (.cse2 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse15 (and .cse11 .cse12 (<= 0 ~waterLevel~0) (<= ~waterLevel~0 0))) (.cse14 (not (= 1 |old(~waterLevel~0)|))) (.cse7 (not (= 1 ~systemActive~0)))) (and (or (not (= 0 ~systemActive~0)) .cse0 .cse1) (or .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (or .cse9 .cse0 .cse4 .cse5 .cse7 .cse8) (or .cse10 (and .cse11 .cse12 (<= 1 ~waterLevel~0) (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) .cse3 .cse1 .cse13 .cse7) (or .cse9 .cse0 .cse14) (or .cse9 .cse10 .cse0 .cse1 .cse13 .cse7) (or .cse2 .cse10 .cse3 .cse4 .cse6 .cse7 .cse8) (or .cse9 .cse10 .cse0 .cse4 .cse7 .cse8) (or .cse9 .cse0 .cse5 .cse1 .cse13 .cse7) (or .cse2 (not (<= |old(~waterLevel~0)| 1)) .cse10 .cse3 .cse15 (not (<= 1 |old(~waterLevel~0)|)) .cse7) (or .cse3 .cse5 .cse1 .cse13 (and .cse11 .cse12 (= 1 ~waterLevel~0)) .cse7) (or .cse2 .cse3 .cse5 .cse15 .cse14 .cse7)))) [2020-07-19 21:09:32,406 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 64 90) the Hoare annotation is: (let ((.cse15 (= 0 ~pumpRunning~0)) (.cse16 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse17 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse2 (not (= 0 ~systemActive~0))) (.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse14 (not (<= 1 |old(~waterLevel~0)|))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse13 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse9 (not (<= 1 |old(~pumpRunning~0)|))) (.cse10 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse16 .cse17)) (.cse5 (not (<= |old(~waterLevel~0)| 0))) (.cse7 (not (<= 0 |old(~waterLevel~0)|))) (.cse1 (and .cse15 .cse16 .cse17)) (.cse8 (not (= 0 ~methaneLevelCritical~0))) (.cse11 (not (<= |old(~waterLevel~0)| 2))) (.cse12 (not (< 1 |old(~waterLevel~0)|))) (.cse6 (not (= 1 ~systemActive~0))) (.cse3 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse3 .cse5 .cse6 .cse7) (or .cse1 .cse3 .cse5 .cse8 .cse6 .cse7) (or .cse9 .cse10 .cse8 .cse11 .cse12 .cse6) (or .cse4 .cse1 .cse3 .cse11 .cse12 .cse6) (or .cse4 .cse9 .cse10 .cse11 .cse12 .cse6) (or .cse13 .cse0 .cse9 .cse10 .cse8 .cse14 .cse6) (or .cse1 (not (= 2 |old(~waterLevel~0)|)) .cse2 .cse3) (or .cse13 .cse0 .cse4 .cse9 .cse10 .cse14 .cse6) (or .cse13 .cse4 .cse9 .cse10 .cse5 .cse6 .cse7) (or .cse13 .cse9 .cse10 .cse5 .cse8 .cse6 .cse7) (or .cse1 .cse3 .cse8 .cse11 .cse12 .cse6) (or .cse3 (and .cse15 .cse16 (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)))))) [2020-07-19 21:09:32,406 INFO L264 CegarLoopResult]: At program point L78(lines 78 84) the Hoare annotation is: (let ((.cse14 (= 0 ~pumpRunning~0)) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse17 (<= 0 ~waterLevel~0)) (.cse18 (<= ~waterLevel~0 0)) (.cse16 (not (= 1 |old(~waterLevel~0)|))) (.cse0 (and .cse14 .cse1)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (not (< 1 |old(~waterLevel~0)|))) (.cse10 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse11 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse13 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (not (<= 1 |old(~pumpRunning~0)|))) (.cse9 (not (<= |old(~waterLevel~0)| 0))) (.cse15 (<= 1 ~switchedOnBeforeTS~0)) (.cse6 (not (= 1 ~systemActive~0))) (.cse12 (not (<= 0 |old(~waterLevel~0)|)))) (and (or .cse0 (and .cse1 (<= 1 ~pumpRunning~0)) .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse7 .cse8 .cse9 .cse3 (and .cse10 .cse11 .cse1) .cse6 .cse12) (or .cse0 .cse2 .cse9 .cse3 .cse6 .cse12) (or .cse0 (not (= 0 ~systemActive~0)) .cse2 .cse4) (or .cse13 .cse8 .cse4 .cse5 (and (<= 1 ~waterLevel~0) .cse14 .cse15 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) .cse6) (or .cse0 .cse2 .cse16) (or .cse7 (not (<= |old(~waterLevel~0)| 1)) .cse8 .cse3 (and .cse10 .cse11 .cse17 .cse18) (not (<= 1 |old(~waterLevel~0)|)) .cse6) (or .cse0 .cse13 .cse2 .cse4 .cse5 .cse6) (or .cse7 (and .cse17 .cse18 .cse14 .cse15) .cse13 .cse8 .cse16 .cse6) (or .cse0 .cse13 .cse2 .cse9 .cse6 .cse12) (or .cse8 .cse3 .cse4 .cse5 (and .cse10 .cse11 (= 1 ~waterLevel~0)) .cse6) (or .cse7 .cse13 .cse8 .cse9 (and .cse14 .cse15 .cse1) .cse6 .cse12)))) [2020-07-19 21:09:32,407 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 64 90) no Hoare annotation was computed. [2020-07-19 21:09:32,407 INFO L264 CegarLoopResult]: At program point L73(line 73) the Hoare annotation is: (let ((.cse1 (not (<= |old(~waterLevel~0)| 1))) (.cse5 (not (<= 1 |old(~waterLevel~0)|))) (.cse0 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse9 (not (<= |old(~waterLevel~0)| 0))) (.cse10 (not (= 0 ~methaneLevelCritical~0))) (.cse11 (not (<= 0 |old(~waterLevel~0)|))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse8 (not (<= |old(~waterLevel~0)| 2))) (.cse12 (not (< 1 |old(~waterLevel~0)|))) (.cse4 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse6 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (or (not (= 0 ~systemActive~0)) .cse7 .cse8) (or .cse0 .cse3 .cse9 .cse10 .cse4 .cse6 .cse11) (or .cse3 .cse10 .cse8 .cse12 .cse4 .cse6) (or .cse7 (not (= 1 |old(~waterLevel~0)|))) (or .cse0 .cse1 .cse3 .cse10 .cse4 .cse5 .cse6) (or .cse7 .cse10 .cse8 .cse12 .cse6) (or .cse2 .cse7 .cse8 .cse12 .cse6) (or .cse0 .cse2 .cse3 .cse9 .cse4 .cse6 .cse11) (or .cse2 .cse7 .cse9 .cse6 .cse11) (or .cse7 .cse9 .cse10 .cse6 .cse11) (or .cse2 .cse3 .cse8 .cse12 .cse4 .cse6))) [2020-07-19 21:09:32,407 INFO L268 CegarLoopResult]: For program point L71(lines 67 89) no Hoare annotation was computed. [2020-07-19 21:09:32,407 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 64 90) no Hoare annotation was computed. [2020-07-19 21:09:32,407 INFO L268 CegarLoopResult]: For program point L69(lines 67 89) no Hoare annotation was computed. [2020-07-19 21:09:32,407 INFO L264 CegarLoopResult]: At program point L355-2(lines 355 369) the Hoare annotation is: (or (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 21:09:32,407 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 345 374) no Hoare annotation was computed. [2020-07-19 21:09:32,408 INFO L264 CegarLoopResult]: At program point L351(line 351) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 21:09:32,408 INFO L268 CegarLoopResult]: For program point L351-1(line 351) no Hoare annotation was computed. [2020-07-19 21:09:32,408 INFO L264 CegarLoopResult]: At program point cleanupENTRY(lines 345 374) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 21:09:32,408 INFO L271 CegarLoopResult]: At program point L370(lines 345 374) the Hoare annotation is: true [2020-07-19 21:09:32,408 INFO L268 CegarLoopResult]: For program point L366(line 366) no Hoare annotation was computed. [2020-07-19 21:09:32,408 INFO L268 CegarLoopResult]: For program point L359(lines 359 363) no Hoare annotation was computed. [2020-07-19 21:09:32,408 INFO L264 CegarLoopResult]: At program point L359-1(lines 359 363) the Hoare annotation is: (or (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 21:09:32,408 INFO L268 CegarLoopResult]: For program point L356(line 356) no Hoare annotation was computed. [2020-07-19 21:09:32,409 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 898 909) the Hoare annotation is: (let ((.cse7 (not (<= |old(~waterLevel~0)| 1))) (.cse8 (not (<= 1 |old(~waterLevel~0)|))) (.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse10 (not (<= |old(~waterLevel~0)| 0))) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse11 (not (<= 0 |old(~waterLevel~0)|))) (.cse9 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse4 (not (< 1 |old(~waterLevel~0)|))) (.cse5 (not (<= 1 ~pumpRunning~0))) (.cse6 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse7 .cse0 .cse2 .cse3 .cse5 .cse8 .cse6) (or .cse7 .cse9 .cse2 .cse3 .cse5 .cse8 .cse6) (or .cse10 .cse0 .cse2 .cse3 .cse5 .cse6 .cse11) (or .cse9 .cse10 .cse2 .cse3 .cse5 .cse6 .cse11) (or .cse9 (= 2 ~waterLevel~0) .cse1 .cse2 .cse4 .cse5 .cse6))) [2020-07-19 21:09:32,409 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 898 909) no Hoare annotation was computed. [2020-07-19 21:09:32,409 INFO L268 CegarLoopResult]: For program point L902-1(lines 898 909) no Hoare annotation was computed. [2020-07-19 21:09:32,409 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 399 405) no Hoare annotation was computed. [2020-07-19 21:09:32,409 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 399 405) the Hoare annotation is: true [2020-07-19 21:09:32,409 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-19 21:09:32,409 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-19 21:09:32,409 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-19 21:09:32,410 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-19 21:09:32,410 INFO L268 CegarLoopResult]: For program point L914-1(lines 910 921) no Hoare annotation was computed. [2020-07-19 21:09:32,410 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 910 921) no Hoare annotation was computed. [2020-07-19 21:09:32,410 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 910 921) the Hoare annotation is: (let ((.cse10 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse3 (not (<= 1 ~pumpRunning~0))) (.cse9 (not (<= |old(~waterLevel~0)| 1))) (.cse11 (not (<= 1 |old(~waterLevel~0)|))) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (not (< 1 |old(~waterLevel~0)|))) (.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse12 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (<= |old(~waterLevel~0)| 0))) (.cse6 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse7 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= 1 ~systemActive~0))) (.cse8 (not (<= 0 |old(~waterLevel~0)|)))) (and (or .cse0 (= 2 ~waterLevel~0) .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse6 .cse7 .cse4 .cse8) (or .cse9 .cse0 .cse10 .cse6 .cse3 .cse11 .cse4) (or .cse12 .cse1 .cse2 .cse6 .cse7 .cse4) (or .cse5 .cse0 .cse10 .cse6 .cse3 .cse4 .cse8) (or .cse9 .cse12 .cse6 .cse7 .cse11 .cse4) (or (not (= 0 ~systemActive~0)) .cse1 .cse6 .cse7) (or .cse0 .cse1 .cse6 .cse2 .cse7 .cse4) (or .cse0 .cse6 .cse7 (not (= 1 |old(~waterLevel~0)|)) .cse4) (or .cse12 .cse5 .cse6 .cse7 .cse4 .cse8))) [2020-07-19 21:09:32,410 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2020-07-19 21:09:32,410 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-07-19 21:09:32,411 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2020-07-19 21:09:32,411 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2020-07-19 21:09:32,433 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 09:09:32 BoogieIcfgContainer [2020-07-19 21:09:32,433 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-19 21:09:32,435 INFO L168 Benchmark]: Toolchain (without parser) took 190499.82 ms. Allocated memory was 137.9 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 101.3 MB in the beginning and 1.1 GB in the end (delta: -974.6 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2020-07-19 21:09:32,435 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 137.9 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-19 21:09:32,436 INFO L168 Benchmark]: CACSL2BoogieTranslator took 702.56 ms. Allocated memory was 137.9 MB in the beginning and 203.9 MB in the end (delta: 66.1 MB). Free memory was 100.9 MB in the beginning and 171.6 MB in the end (delta: -70.7 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. [2020-07-19 21:09:32,436 INFO L168 Benchmark]: Boogie Preprocessor took 81.64 ms. Allocated memory is still 203.9 MB. Free memory was 171.6 MB in the beginning and 167.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-07-19 21:09:32,437 INFO L168 Benchmark]: RCFGBuilder took 1099.27 ms. Allocated memory was 203.9 MB in the beginning and 235.9 MB in the end (delta: 32.0 MB). Free memory was 167.4 MB in the beginning and 195.0 MB in the end (delta: -27.6 MB). Peak memory consumption was 84.5 MB. Max. memory is 7.1 GB. [2020-07-19 21:09:32,437 INFO L168 Benchmark]: TraceAbstraction took 188610.61 ms. Allocated memory was 235.9 MB in the beginning and 1.2 GB in the end (delta: 947.4 MB). Free memory was 195.0 MB in the beginning and 1.1 GB in the end (delta: -880.9 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2020-07-19 21:09:32,439 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 137.9 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 702.56 ms. Allocated memory was 137.9 MB in the beginning and 203.9 MB in the end (delta: 66.1 MB). Free memory was 100.9 MB in the beginning and 171.6 MB in the end (delta: -70.7 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 81.64 ms. Allocated memory is still 203.9 MB. Free memory was 171.6 MB in the beginning and 167.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1099.27 ms. Allocated memory was 203.9 MB in the beginning and 235.9 MB in the end (delta: 32.0 MB). Free memory was 167.4 MB in the beginning and 195.0 MB in the end (delta: -27.6 MB). Peak memory consumption was 84.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 188610.61 ms. Allocated memory was 235.9 MB in the beginning and 1.2 GB in the end (delta: 947.4 MB). Free memory was 195.0 MB in the beginning and 1.1 GB in the end (delta: -880.9 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 355]: Loop Invariant Derived loop invariant: ((0 == pumpRunning && 1 == waterLevel) || !(0 == \old(pumpRunning))) || !(1 == \old(waterLevel)) - InvariantResult [Line: 345]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 287]: Loop Invariant Derived loop invariant: ((((((((((((((((splverifierCounter < 4 && 0 == systemActive) && waterLevel <= 2) && 0 == pumpRunning) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || ((((((pumpRunning <= switchedOnBeforeTS && splverifierCounter < 4) && 0 == methaneLevelCritical) && 1 <= waterLevel) && waterLevel <= 1) && 1 == systemActive) && 1 <= pumpRunning)) || ((((splverifierCounter < 4 && \old(methaneLevelCritical) == methaneLevelCritical) && 2 == waterLevel) && 1 == systemActive) && 1 <= pumpRunning)) || (((((splverifierCounter < 4 && pumpRunning == \old(pumpRunning)) && 1 <= methaneLevelCritical) && 0 == pumpRunning) && \old(waterLevel) == waterLevel) && 1 == systemActive)) || ((((splverifierCounter < 4 && \old(methaneLevelCritical) == methaneLevelCritical) && 0 == pumpRunning) && 2 == waterLevel) && 1 == systemActive)) || !(1 <= \old(waterLevel))) || !(\old(waterLevel) <= 1)) || (((((splverifierCounter < 4 && 0 == methaneLevelCritical) && pumpRunning == \old(pumpRunning)) && 0 == pumpRunning) && \old(waterLevel) == waterLevel) && 1 == systemActive)) || ((((((pumpRunning <= switchedOnBeforeTS && splverifierCounter < 4) && 0 == methaneLevelCritical) && 0 <= waterLevel) && waterLevel + 1 <= \old(waterLevel)) && 1 == systemActive) && 1 <= pumpRunning)) || (((((splverifierCounter < 4 && 1 <= methaneLevelCritical) && 0 <= waterLevel) && 0 == pumpRunning) && waterLevel + 1 <= \old(waterLevel)) && 1 == systemActive)) || !(1 == \old(systemActive))) || (((((splverifierCounter < 4 && 1 < waterLevel) && 1 <= methaneLevelCritical) && waterLevel <= 2) && 0 == pumpRunning) && 1 == systemActive)) || (((((splverifierCounter < 4 && 0 == methaneLevelCritical) && 0 <= waterLevel) && 0 == pumpRunning) && waterLevel + 1 <= \old(waterLevel)) && 1 == systemActive) - InvariantResult [Line: 286]: Loop Invariant Derived loop invariant: ((((0 == pumpRunning && 1 == waterLevel) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 248 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 101.9s, OverallIterations: 15, TraceHistogramMax: 11, AutomataDifference: 83.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 86.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3041 SDtfs, 8504 SDslu, 7063 SDs, 0 SdLazy, 26230 SolverSat, 6805 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 33.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4219 GetRequests, 3705 SyntacticMatches, 7 SemanticMatches, 507 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8990 ImplicationChecksByTransitivity, 43.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4634occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.3s AutomataMinimizationTime, 15 MinimizatonAttempts, 3471 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 67 LocationsWithAnnotation, 8311 PreInvPairs, 8899 NumberOfFragments, 6810 HoareAnnotationTreeSize, 8311 FomulaSimplifications, 326301343 FormulaSimplificationTreeSizeReduction, 25.6s HoareSimplificationTime, 67 FomulaSimplificationsInter, 747103 FormulaSimplificationTreeSizeReductionInter, 60.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 9.4s InterpolantComputationTime, 5687 NumberOfCodeBlocks, 5687 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 5664 ConstructedInterpolants, 0 QuantifiedInterpolants, 3501222 SizeOfPredicates, 26 NumberOfNonLiveVariables, 10562 ConjunctsInSsa, 126 ConjunctsInUnsatCore, 23 InterpolantComputations, 10 PerfectInterpolantSequences, 6110/6361 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...