/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 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product40.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 11:29:50,728 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 11:29:50,730 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 11:29:50,751 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 11:29:50,751 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 11:29:50,752 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 11:29:50,753 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 11:29:50,755 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 11:29:50,757 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 11:29:50,758 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 11:29:50,759 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 11:29:50,760 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 11:29:50,761 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 11:29:50,762 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 11:29:50,763 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 11:29:50,764 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 11:29:50,765 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 11:29:50,766 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 11:29:50,767 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 11:29:50,769 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 11:29:50,771 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 11:29:50,772 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 11:29:50,773 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 11:29:50,774 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 11:29:50,776 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-17 11:29:50,777 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-17 11:29:50,777 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-17 11:29:50,778 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-17 11:29:50,778 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-17 11:29:50,779 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-17 11:29:50,780 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-17 11:29:50,780 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-17 11:29:50,781 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-17 11:29:50,782 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-17 11:29:50,783 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-17 11:29:50,783 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-17 11:29:50,784 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-17 11:29:50,784 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-17 11:29:50,784 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 11:29:50,785 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 11:29:50,786 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 11:29:50,787 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 [2020-07-17 11:29:50,801 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 11:29:50,802 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 11:29:50,803 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-17 11:29:50,803 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-17 11:29:50,803 INFO L138 SettingsManager]: * Use SBE=true [2020-07-17 11:29:50,804 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 11:29:50,804 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 11:29:50,804 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 11:29:50,804 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 11:29:50,804 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 11:29:50,805 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 11:29:50,805 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 11:29:50,805 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 11:29:50,805 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 11:29:50,805 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 11:29:50,805 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 11:29:50,806 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 11:29:50,806 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 11:29:50,806 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-17 11:29:50,806 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 11:29:50,807 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 11:29:50,807 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 11:29:50,807 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 11:29:50,807 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-17 11:29:50,807 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-17 11:29:50,808 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-17 11:29:50,808 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-17 11:29:50,808 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 11:29:50,808 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-17 11:29:50,808 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-17 11:29:51,086 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 11:29:51,100 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 11:29:51,104 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 11:29:51,105 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 11:29:51,106 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 11:29:51,107 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product40.cil.c [2020-07-17 11:29:51,185 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10ebc3fbf/b4e24600663c4210a42714cb97b1532e/FLAGbf3b32145 [2020-07-17 11:29:51,736 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 11:29:51,737 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product40.cil.c [2020-07-17 11:29:51,750 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10ebc3fbf/b4e24600663c4210a42714cb97b1532e/FLAGbf3b32145 [2020-07-17 11:29:52,012 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10ebc3fbf/b4e24600663c4210a42714cb97b1532e [2020-07-17 11:29:52,020 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 11:29:52,024 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 11:29:52,025 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 11:29:52,025 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 11:29:52,029 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 11:29:52,030 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 11:29:52" (1/1) ... [2020-07-17 11:29:52,032 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8dcd892 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:29:52, skipping insertion in model container [2020-07-17 11:29:52,033 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 11:29:52" (1/1) ... [2020-07-17 11:29:52,041 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 11:29:52,110 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 11:29:52,471 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 11:29:52,484 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 11:29:52,672 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 11:29:52,710 INFO L208 MainTranslator]: Completed translation [2020-07-17 11:29:52,711 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:29:52 WrapperNode [2020-07-17 11:29:52,711 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 11:29:52,711 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 11:29:52,711 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 11:29:52,711 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 11:29:52,721 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:29:52" (1/1) ... [2020-07-17 11:29:52,722 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:29:52" (1/1) ... [2020-07-17 11:29:52,741 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:29:52" (1/1) ... [2020-07-17 11:29:52,741 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:29:52" (1/1) ... [2020-07-17 11:29:52,781 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:29:52" (1/1) ... [2020-07-17 11:29:52,791 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:29:52" (1/1) ... [2020-07-17 11:29:52,797 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:29:52" (1/1) ... [2020-07-17 11:29:52,805 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 11:29:52,806 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 11:29:52,806 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 11:29:52,806 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 11:29:52,807 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:29:52" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 11:29:52,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 11:29:52,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 11:29:52,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-17 11:29:52,872 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-07-17 11:29:52,872 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-07-17 11:29:52,872 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-17 11:29:52,872 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-17 11:29:52,872 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-17 11:29:52,872 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-17 11:29:52,873 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-17 11:29:52,873 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-17 11:29:52,873 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-17 11:29:52,873 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-17 11:29:52,873 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-17 11:29:52,873 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-17 11:29:52,874 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-17 11:29:52,874 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-17 11:29:52,874 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-17 11:29:52,874 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-17 11:29:52,874 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-17 11:29:52,874 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-17 11:29:52,874 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-17 11:29:52,875 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-17 11:29:52,875 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-17 11:29:52,875 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-17 11:29:52,875 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-17 11:29:52,875 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-17 11:29:52,875 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-17 11:29:52,876 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-17 11:29:52,876 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-17 11:29:52,876 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-17 11:29:52,876 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-17 11:29:52,876 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-17 11:29:52,876 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-17 11:29:52,876 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-17 11:29:52,877 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-17 11:29:52,877 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 11:29:52,877 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-17 11:29:52,877 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-17 11:29:52,877 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-17 11:29:52,877 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-17 11:29:52,878 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 11:29:52,878 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-17 11:29:52,878 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-17 11:29:52,878 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-17 11:29:52,878 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-17 11:29:52,878 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-17 11:29:52,878 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-07-17 11:29:52,879 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-07-17 11:29:52,879 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-17 11:29:52,879 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-17 11:29:52,879 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-17 11:29:52,879 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-17 11:29:52,879 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-17 11:29:52,879 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-17 11:29:52,880 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-17 11:29:52,880 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-17 11:29:52,880 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-17 11:29:52,880 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-17 11:29:52,880 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-17 11:29:52,880 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-17 11:29:52,881 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-17 11:29:52,881 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-17 11:29:52,881 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-17 11:29:52,881 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-17 11:29:52,881 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-17 11:29:52,881 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-17 11:29:52,882 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-17 11:29:52,882 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-17 11:29:52,882 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-17 11:29:52,882 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-17 11:29:52,882 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-17 11:29:52,883 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-17 11:29:52,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-17 11:29:52,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-17 11:29:52,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-17 11:29:52,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-17 11:29:52,885 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-17 11:29:52,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-17 11:29:52,885 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-17 11:29:52,886 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-17 11:29:52,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-17 11:29:52,886 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-17 11:29:52,887 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-17 11:29:52,887 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-17 11:29:52,887 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-17 11:29:52,887 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-17 11:29:52,888 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-17 11:29:52,888 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-17 11:29:52,889 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-17 11:29:52,890 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-17 11:29:52,890 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 11:29:52,890 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-17 11:29:52,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 11:29:52,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-17 11:29:52,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 11:29:53,876 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 11:29:53,876 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-17 11:29:53,881 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 11:29:53 BoogieIcfgContainer [2020-07-17 11:29:53,882 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 11:29:53,883 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 11:29:53,883 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 11:29:53,886 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 11:29:53,886 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 11:29:52" (1/3) ... [2020-07-17 11:29:53,887 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f95c7cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 11:29:53, skipping insertion in model container [2020-07-17 11:29:53,887 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:29:52" (2/3) ... [2020-07-17 11:29:53,888 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f95c7cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 11:29:53, skipping insertion in model container [2020-07-17 11:29:53,888 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 11:29:53" (3/3) ... [2020-07-17 11:29:53,890 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product40.cil.c [2020-07-17 11:29:53,900 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-17 11:29:53,909 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 11:29:53,923 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 11:29:53,947 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 11:29:53,948 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 11:29:53,948 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-17 11:29:53,948 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 11:29:53,948 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 11:29:53,949 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 11:29:53,949 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 11:29:53,949 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 11:29:53,978 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states. [2020-07-17 11:29:53,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-17 11:29:53,988 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:29:53,989 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:29:53,990 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:29:53,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:29:53,996 INFO L82 PathProgramCache]: Analyzing trace with hash 1292486909, now seen corresponding path program 1 times [2020-07-17 11:29:54,005 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:29:54,006 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793241748] [2020-07-17 11:29:54,006 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:29:54,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:29:54,679 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:29:54,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:29:54,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:29:54,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:29:54,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:29:54,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:29:54,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:29:54,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:29:54,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:29:54,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:29:54,767 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793241748] [2020-07-17 11:29:54,767 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:29:54,768 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-17 11:29:54,769 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864112757] [2020-07-17 11:29:54,774 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-17 11:29:54,775 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:29:54,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-17 11:29:54,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-17 11:29:54,792 INFO L87 Difference]: Start difference. First operand 181 states. Second operand 4 states. [2020-07-17 11:29:55,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:29:55,906 INFO L93 Difference]: Finished difference Result 311 states and 408 transitions. [2020-07-17 11:29:55,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-17 11:29:55,909 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-07-17 11:29:55,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:29:55,924 INFO L225 Difference]: With dead ends: 311 [2020-07-17 11:29:55,924 INFO L226 Difference]: Without dead ends: 174 [2020-07-17 11:29:55,930 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-17 11:29:55,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2020-07-17 11:29:56,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 138. [2020-07-17 11:29:56,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2020-07-17 11:29:56,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 163 transitions. [2020-07-17 11:29:56,031 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 163 transitions. Word has length 51 [2020-07-17 11:29:56,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:29:56,032 INFO L479 AbstractCegarLoop]: Abstraction has 138 states and 163 transitions. [2020-07-17 11:29:56,032 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-17 11:29:56,032 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 163 transitions. [2020-07-17 11:29:56,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-17 11:29:56,041 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:29:56,042 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:29:56,045 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 11:29:56,045 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:29:56,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:29:56,045 INFO L82 PathProgramCache]: Analyzing trace with hash -11798802, now seen corresponding path program 1 times [2020-07-17 11:29:56,046 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:29:56,046 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547527725] [2020-07-17 11:29:56,046 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:29:56,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:29:56,447 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:29:56,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:29:56,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:29:56,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:29:56,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:29:56,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:29:56,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:29:56,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:29:56,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:29:56,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:29:56,518 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547527725] [2020-07-17 11:29:56,518 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:29:56,518 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-17 11:29:56,519 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402873627] [2020-07-17 11:29:56,520 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-17 11:29:56,520 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:29:56,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-17 11:29:56,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-17 11:29:56,521 INFO L87 Difference]: Start difference. First operand 138 states and 163 transitions. Second operand 5 states. [2020-07-17 11:29:57,006 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:29:57,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:29:57,978 INFO L93 Difference]: Finished difference Result 246 states and 307 transitions. [2020-07-17 11:29:57,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-17 11:29:57,979 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-07-17 11:29:57,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:29:57,983 INFO L225 Difference]: With dead ends: 246 [2020-07-17 11:29:57,983 INFO L226 Difference]: Without dead ends: 164 [2020-07-17 11:29:57,984 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-17 11:29:57,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2020-07-17 11:29:58,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 129. [2020-07-17 11:29:58,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2020-07-17 11:29:58,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 151 transitions. [2020-07-17 11:29:58,030 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 151 transitions. Word has length 52 [2020-07-17 11:29:58,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:29:58,030 INFO L479 AbstractCegarLoop]: Abstraction has 129 states and 151 transitions. [2020-07-17 11:29:58,030 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-17 11:29:58,030 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 151 transitions. [2020-07-17 11:29:58,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-17 11:29:58,033 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:29:58,033 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:29:58,033 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 11:29:58,033 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:29:58,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:29:58,034 INFO L82 PathProgramCache]: Analyzing trace with hash 1490469892, now seen corresponding path program 1 times [2020-07-17 11:29:58,034 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:29:58,034 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224767872] [2020-07-17 11:29:58,035 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:29:58,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:29:58,353 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:29:58,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:29:58,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:29:58,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:29:58,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:29:58,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:29:58,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:29:58,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:29:58,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:29:58,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:29:58,482 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224767872] [2020-07-17 11:29:58,482 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:29:58,483 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-17 11:29:58,483 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944827506] [2020-07-17 11:29:58,484 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-17 11:29:58,485 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:29:58,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-17 11:29:58,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-17 11:29:58,486 INFO L87 Difference]: Start difference. First operand 129 states and 151 transitions. Second operand 9 states. [2020-07-17 11:29:58,920 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:29:59,219 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:29:59,481 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:29:59,746 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:30:00,536 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:30:02,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:30:02,483 INFO L93 Difference]: Finished difference Result 439 states and 556 transitions. [2020-07-17 11:30:02,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-17 11:30:02,484 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 57 [2020-07-17 11:30:02,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:30:02,488 INFO L225 Difference]: With dead ends: 439 [2020-07-17 11:30:02,489 INFO L226 Difference]: Without dead ends: 338 [2020-07-17 11:30:02,491 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-07-17 11:30:02,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2020-07-17 11:30:02,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 269. [2020-07-17 11:30:02,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 269 states. [2020-07-17 11:30:02,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 328 transitions. [2020-07-17 11:30:02,571 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 328 transitions. Word has length 57 [2020-07-17 11:30:02,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:30:02,571 INFO L479 AbstractCegarLoop]: Abstraction has 269 states and 328 transitions. [2020-07-17 11:30:02,571 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-17 11:30:02,571 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 328 transitions. [2020-07-17 11:30:02,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-07-17 11:30:02,574 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:30:02,574 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:30:02,575 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-17 11:30:02,575 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:30:02,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:30:02,575 INFO L82 PathProgramCache]: Analyzing trace with hash -512554003, now seen corresponding path program 1 times [2020-07-17 11:30:02,576 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:30:02,576 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137175998] [2020-07-17 11:30:02,576 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:30:02,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:02,859 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:30:02,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:02,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:02,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:02,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:02,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:02,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:02,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:02,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:02,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:02,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:30:02,986 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137175998] [2020-07-17 11:30:02,987 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:30:02,987 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-17 11:30:02,987 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122292674] [2020-07-17 11:30:02,988 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-17 11:30:02,988 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:30:02,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-17 11:30:02,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-17 11:30:02,989 INFO L87 Difference]: Start difference. First operand 269 states and 328 transitions. Second operand 9 states. [2020-07-17 11:30:03,415 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:30:04,518 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:30:04,944 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:30:05,195 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:30:05,464 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:30:06,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:30:06,909 INFO L93 Difference]: Finished difference Result 864 states and 1152 transitions. [2020-07-17 11:30:06,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-07-17 11:30:06,910 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 62 [2020-07-17 11:30:06,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:30:06,916 INFO L225 Difference]: With dead ends: 864 [2020-07-17 11:30:06,917 INFO L226 Difference]: Without dead ends: 623 [2020-07-17 11:30:06,919 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-07-17 11:30:06,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 623 states. [2020-07-17 11:30:07,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 623 to 486. [2020-07-17 11:30:07,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 486 states. [2020-07-17 11:30:07,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 486 states and 596 transitions. [2020-07-17 11:30:07,054 INFO L78 Accepts]: Start accepts. Automaton has 486 states and 596 transitions. Word has length 62 [2020-07-17 11:30:07,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:30:07,054 INFO L479 AbstractCegarLoop]: Abstraction has 486 states and 596 transitions. [2020-07-17 11:30:07,054 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-17 11:30:07,054 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 596 transitions. [2020-07-17 11:30:07,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-07-17 11:30:07,057 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:30:07,057 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:30:07,057 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-17 11:30:07,058 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:30:07,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:30:07,058 INFO L82 PathProgramCache]: Analyzing trace with hash -1361940215, now seen corresponding path program 1 times [2020-07-17 11:30:07,058 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:30:07,059 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285871960] [2020-07-17 11:30:07,059 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:30:07,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:07,370 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:30:07,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:07,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:07,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:07,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:07,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:07,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:07,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:07,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:07,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:07,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:07,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:30:07,507 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285871960] [2020-07-17 11:30:07,507 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:30:07,508 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-17 11:30:07,508 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239223423] [2020-07-17 11:30:07,510 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-17 11:30:07,510 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:30:07,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-17 11:30:07,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-07-17 11:30:07,511 INFO L87 Difference]: Start difference. First operand 486 states and 596 transitions. Second operand 10 states. [2020-07-17 11:30:08,071 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:30:09,051 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:30:09,304 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:30:09,613 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:30:10,284 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:30:11,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:30:11,618 INFO L93 Difference]: Finished difference Result 1373 states and 1890 transitions. [2020-07-17 11:30:11,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-07-17 11:30:11,621 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 66 [2020-07-17 11:30:11,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:30:11,631 INFO L225 Difference]: With dead ends: 1373 [2020-07-17 11:30:11,631 INFO L226 Difference]: Without dead ends: 915 [2020-07-17 11:30:11,634 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 172 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=205, Invalid=551, Unknown=0, NotChecked=0, Total=756 [2020-07-17 11:30:11,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 915 states. [2020-07-17 11:30:11,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 915 to 709. [2020-07-17 11:30:11,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 709 states. [2020-07-17 11:30:11,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 709 states to 709 states and 863 transitions. [2020-07-17 11:30:11,796 INFO L78 Accepts]: Start accepts. Automaton has 709 states and 863 transitions. Word has length 66 [2020-07-17 11:30:11,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:30:11,796 INFO L479 AbstractCegarLoop]: Abstraction has 709 states and 863 transitions. [2020-07-17 11:30:11,796 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-17 11:30:11,797 INFO L276 IsEmpty]: Start isEmpty. Operand 709 states and 863 transitions. [2020-07-17 11:30:11,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-07-17 11:30:11,799 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:30:11,799 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:30:11,799 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-17 11:30:11,800 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:30:11,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:30:11,800 INFO L82 PathProgramCache]: Analyzing trace with hash 1572074791, now seen corresponding path program 1 times [2020-07-17 11:30:11,800 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:30:11,801 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647670728] [2020-07-17 11:30:11,801 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:30:11,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:12,053 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:30:12,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:12,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:12,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:12,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:12,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:12,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:12,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:12,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:12,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:12,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:12,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:12,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:12,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:12,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:12,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:30:12,241 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647670728] [2020-07-17 11:30:12,243 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:30:12,243 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-17 11:30:12,243 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403527247] [2020-07-17 11:30:12,244 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-17 11:30:12,244 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:30:12,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-17 11:30:12,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-07-17 11:30:12,246 INFO L87 Difference]: Start difference. First operand 709 states and 863 transitions. Second operand 10 states. [2020-07-17 11:30:12,904 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:30:14,070 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:30:14,336 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 11:30:14,626 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:30:14,903 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:30:16,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:30:16,657 INFO L93 Difference]: Finished difference Result 2413 states and 3450 transitions. [2020-07-17 11:30:16,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-07-17 11:30:16,657 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 89 [2020-07-17 11:30:16,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:30:16,671 INFO L225 Difference]: With dead ends: 2413 [2020-07-17 11:30:16,671 INFO L226 Difference]: Without dead ends: 1732 [2020-07-17 11:30:16,675 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=159, Invalid=441, Unknown=0, NotChecked=0, Total=600 [2020-07-17 11:30:16,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1732 states. [2020-07-17 11:30:16,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1732 to 1279. [2020-07-17 11:30:16,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1279 states. [2020-07-17 11:30:17,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1279 states to 1279 states and 1554 transitions. [2020-07-17 11:30:17,037 INFO L78 Accepts]: Start accepts. Automaton has 1279 states and 1554 transitions. Word has length 89 [2020-07-17 11:30:17,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:30:17,037 INFO L479 AbstractCegarLoop]: Abstraction has 1279 states and 1554 transitions. [2020-07-17 11:30:17,038 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-17 11:30:17,038 INFO L276 IsEmpty]: Start isEmpty. Operand 1279 states and 1554 transitions. [2020-07-17 11:30:17,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-07-17 11:30:17,043 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:30:17,043 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:30:17,044 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-17 11:30:17,044 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:30:17,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:30:17,045 INFO L82 PathProgramCache]: Analyzing trace with hash -153406106, now seen corresponding path program 1 times [2020-07-17 11:30:17,045 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:30:17,046 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597994181] [2020-07-17 11:30:17,046 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:30:17,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:17,364 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:30:17,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:17,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:17,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:17,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:17,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:17,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:17,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:17,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:17,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:17,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:17,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:17,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:17,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:17,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:17,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:30:17,540 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597994181] [2020-07-17 11:30:17,540 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:30:17,541 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-17 11:30:17,545 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31420339] [2020-07-17 11:30:17,547 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-17 11:30:17,548 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:30:17,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-17 11:30:17,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-07-17 11:30:17,548 INFO L87 Difference]: Start difference. First operand 1279 states and 1554 transitions. Second operand 10 states. [2020-07-17 11:30:18,768 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:30:19,030 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-17 11:30:19,303 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:30:19,603 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:30:20,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:30:20,910 INFO L93 Difference]: Finished difference Result 2983 states and 3988 transitions. [2020-07-17 11:30:20,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-17 11:30:20,911 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 89 [2020-07-17 11:30:20,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:30:20,927 INFO L225 Difference]: With dead ends: 2983 [2020-07-17 11:30:20,927 INFO L226 Difference]: Without dead ends: 1732 [2020-07-17 11:30:20,933 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2020-07-17 11:30:20,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1732 states. [2020-07-17 11:30:21,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1732 to 1319. [2020-07-17 11:30:21,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1319 states. [2020-07-17 11:30:21,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1319 states to 1319 states and 1594 transitions. [2020-07-17 11:30:21,254 INFO L78 Accepts]: Start accepts. Automaton has 1319 states and 1594 transitions. Word has length 89 [2020-07-17 11:30:21,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:30:21,254 INFO L479 AbstractCegarLoop]: Abstraction has 1319 states and 1594 transitions. [2020-07-17 11:30:21,254 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-17 11:30:21,254 INFO L276 IsEmpty]: Start isEmpty. Operand 1319 states and 1594 transitions. [2020-07-17 11:30:21,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-07-17 11:30:21,258 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:30:21,258 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:30:21,258 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-17 11:30:21,259 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:30:21,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:30:21,259 INFO L82 PathProgramCache]: Analyzing trace with hash 548193768, now seen corresponding path program 1 times [2020-07-17 11:30:21,259 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:30:21,259 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731447402] [2020-07-17 11:30:21,260 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:30:21,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:21,529 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:30:21,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:21,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:21,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:21,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:21,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:21,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:21,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:21,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:21,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:21,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:21,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:21,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:21,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:21,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:21,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:30:21,698 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731447402] [2020-07-17 11:30:21,699 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:30:21,699 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-17 11:30:21,700 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933975089] [2020-07-17 11:30:21,700 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-17 11:30:21,700 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:30:21,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-17 11:30:21,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-07-17 11:30:21,701 INFO L87 Difference]: Start difference. First operand 1319 states and 1594 transitions. Second operand 12 states. [2020-07-17 11:30:22,353 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:30:22,612 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:30:22,856 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:30:23,743 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:30:24,042 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:30:24,285 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:30:25,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:30:25,460 INFO L93 Difference]: Finished difference Result 2667 states and 3530 transitions. [2020-07-17 11:30:25,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-17 11:30:25,461 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 89 [2020-07-17 11:30:25,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:30:25,471 INFO L225 Difference]: With dead ends: 2667 [2020-07-17 11:30:25,471 INFO L226 Difference]: Without dead ends: 1376 [2020-07-17 11:30:25,476 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=114, Invalid=348, Unknown=0, NotChecked=0, Total=462 [2020-07-17 11:30:25,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1376 states. [2020-07-17 11:30:25,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1376 to 1087. [2020-07-17 11:30:25,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1087 states. [2020-07-17 11:30:25,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1087 states to 1087 states and 1282 transitions. [2020-07-17 11:30:25,749 INFO L78 Accepts]: Start accepts. Automaton has 1087 states and 1282 transitions. Word has length 89 [2020-07-17 11:30:25,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:30:25,750 INFO L479 AbstractCegarLoop]: Abstraction has 1087 states and 1282 transitions. [2020-07-17 11:30:25,750 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-17 11:30:25,750 INFO L276 IsEmpty]: Start isEmpty. Operand 1087 states and 1282 transitions. [2020-07-17 11:30:25,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-07-17 11:30:25,757 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:30:25,757 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:30:25,757 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-17 11:30:25,758 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:30:25,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:30:25,804 INFO L82 PathProgramCache]: Analyzing trace with hash 81932175, now seen corresponding path program 1 times [2020-07-17 11:30:25,806 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:30:25,806 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77103919] [2020-07-17 11:30:25,806 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:30:25,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:26,091 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:30:26,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:26,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:26,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:26,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:26,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:26,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:26,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:26,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:26,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:26,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:26,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:26,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:26,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:26,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:26,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:26,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:30:26,193 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77103919] [2020-07-17 11:30:26,193 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:30:26,193 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-17 11:30:26,194 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642444108] [2020-07-17 11:30:26,194 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-17 11:30:26,194 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:30:26,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-17 11:30:26,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-17 11:30:26,195 INFO L87 Difference]: Start difference. First operand 1087 states and 1282 transitions. Second operand 8 states. [2020-07-17 11:30:26,668 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:30:29,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:30:29,195 INFO L93 Difference]: Finished difference Result 2185 states and 2908 transitions. [2020-07-17 11:30:29,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-07-17 11:30:29,195 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 93 [2020-07-17 11:30:29,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:30:29,209 INFO L225 Difference]: With dead ends: 2185 [2020-07-17 11:30:29,209 INFO L226 Difference]: Without dead ends: 2182 [2020-07-17 11:30:29,211 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 201 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=212, Invalid=544, Unknown=0, NotChecked=0, Total=756 [2020-07-17 11:30:29,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2182 states. [2020-07-17 11:30:29,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2182 to 1684. [2020-07-17 11:30:29,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1684 states. [2020-07-17 11:30:29,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1684 states to 1684 states and 2013 transitions. [2020-07-17 11:30:29,576 INFO L78 Accepts]: Start accepts. Automaton has 1684 states and 2013 transitions. Word has length 93 [2020-07-17 11:30:29,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:30:29,579 INFO L479 AbstractCegarLoop]: Abstraction has 1684 states and 2013 transitions. [2020-07-17 11:30:29,579 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-17 11:30:29,579 INFO L276 IsEmpty]: Start isEmpty. Operand 1684 states and 2013 transitions. [2020-07-17 11:30:29,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-07-17 11:30:29,587 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:30:29,587 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:30:29,588 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-17 11:30:29,588 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:30:29,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:30:29,588 INFO L82 PathProgramCache]: Analyzing trace with hash 1581752101, now seen corresponding path program 1 times [2020-07-17 11:30:29,589 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:30:29,589 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475129125] [2020-07-17 11:30:29,589 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:30:29,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:29,896 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:30:29,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:29,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:29,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:29,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:29,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:29,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:29,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:29,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:30,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:30,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:30,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:30,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:30,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:30,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:30,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:30,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:30,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:30,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:30,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:30,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:30,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:30,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:30,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:30,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:30,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:30,131 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 21 proven. 5 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-07-17 11:30:30,132 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475129125] [2020-07-17 11:30:30,132 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [639920057] [2020-07-17 11:30:30,132 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 11:30:30,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:30,374 INFO L264 TraceCheckSpWp]: Trace formula consists of 925 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-17 11:30:30,389 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 11:30:30,483 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-17 11:30:30,483 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-17 11:30:30,484 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 12 [2020-07-17 11:30:30,484 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574061078] [2020-07-17 11:30:30,485 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-17 11:30:30,485 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:30:30,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-17 11:30:30,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2020-07-17 11:30:30,486 INFO L87 Difference]: Start difference. First operand 1684 states and 2013 transitions. Second operand 5 states. [2020-07-17 11:30:32,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:30:32,034 INFO L93 Difference]: Finished difference Result 4789 states and 6264 transitions. [2020-07-17 11:30:32,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-17 11:30:32,034 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 152 [2020-07-17 11:30:32,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:30:32,059 INFO L225 Difference]: With dead ends: 4789 [2020-07-17 11:30:32,059 INFO L226 Difference]: Without dead ends: 3457 [2020-07-17 11:30:32,067 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 196 SyntacticMatches, 5 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2020-07-17 11:30:32,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3457 states. [2020-07-17 11:30:32,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3457 to 3132. [2020-07-17 11:30:32,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3132 states. [2020-07-17 11:30:32,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3132 states to 3132 states and 3769 transitions. [2020-07-17 11:30:32,834 INFO L78 Accepts]: Start accepts. Automaton has 3132 states and 3769 transitions. Word has length 152 [2020-07-17 11:30:32,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:30:32,835 INFO L479 AbstractCegarLoop]: Abstraction has 3132 states and 3769 transitions. [2020-07-17 11:30:32,835 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-17 11:30:32,835 INFO L276 IsEmpty]: Start isEmpty. Operand 3132 states and 3769 transitions. [2020-07-17 11:30:32,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-07-17 11:30:32,844 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:30:32,844 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:30:33,059 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-17 11:30:33,060 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:30:33,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:30:33,060 INFO L82 PathProgramCache]: Analyzing trace with hash 688265763, now seen corresponding path program 1 times [2020-07-17 11:30:33,061 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:30:33,061 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447242211] [2020-07-17 11:30:33,061 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:30:33,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:33,373 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:30:33,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:33,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:33,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:33,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:33,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:33,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:33,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:33,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:33,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:33,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:33,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:33,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:33,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:33,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:33,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:33,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:33,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:33,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:33,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:33,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:33,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:33,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:33,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:33,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:33,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:33,672 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 21 proven. 3 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-07-17 11:30:33,673 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447242211] [2020-07-17 11:30:33,673 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1398287604] [2020-07-17 11:30:33,673 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 11:30:33,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:33,856 INFO L264 TraceCheckSpWp]: Trace formula consists of 927 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-17 11:30:33,872 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 11:30:34,054 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-17 11:30:34,055 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-17 11:30:34,055 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [19] total 24 [2020-07-17 11:30:34,056 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39838151] [2020-07-17 11:30:34,057 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-17 11:30:34,057 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:30:34,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-17 11:30:34,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=488, Unknown=0, NotChecked=0, Total=552 [2020-07-17 11:30:34,058 INFO L87 Difference]: Start difference. First operand 3132 states and 3769 transitions. Second operand 8 states. [2020-07-17 11:30:35,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:30:35,672 INFO L93 Difference]: Finished difference Result 5560 states and 6714 transitions. [2020-07-17 11:30:35,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-17 11:30:35,673 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 152 [2020-07-17 11:30:35,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:30:35,689 INFO L225 Difference]: With dead ends: 5560 [2020-07-17 11:30:35,689 INFO L226 Difference]: Without dead ends: 2456 [2020-07-17 11:30:35,698 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 189 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=64, Invalid=488, Unknown=0, NotChecked=0, Total=552 [2020-07-17 11:30:35,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2456 states. [2020-07-17 11:30:36,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2456 to 2444. [2020-07-17 11:30:36,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2444 states. [2020-07-17 11:30:36,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2444 states to 2444 states and 2867 transitions. [2020-07-17 11:30:36,227 INFO L78 Accepts]: Start accepts. Automaton has 2444 states and 2867 transitions. Word has length 152 [2020-07-17 11:30:36,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:30:36,227 INFO L479 AbstractCegarLoop]: Abstraction has 2444 states and 2867 transitions. [2020-07-17 11:30:36,227 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-17 11:30:36,227 INFO L276 IsEmpty]: Start isEmpty. Operand 2444 states and 2867 transitions. [2020-07-17 11:30:36,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-07-17 11:30:36,240 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:30:36,241 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:30:36,454 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 11:30:36,455 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:30:36,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:30:36,456 INFO L82 PathProgramCache]: Analyzing trace with hash -1229107054, now seen corresponding path program 1 times [2020-07-17 11:30:36,456 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:30:36,456 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712423944] [2020-07-17 11:30:36,457 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:30:36,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:36,770 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:30:36,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:36,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:36,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:36,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:36,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:36,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:36,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:36,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:36,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:36,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:36,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:36,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:36,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:36,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:36,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:36,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:36,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:36,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:36,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:36,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:36,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:36,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:36,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:36,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:37,056 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 21 proven. 7 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-07-17 11:30:37,057 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712423944] [2020-07-17 11:30:37,057 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [421735241] [2020-07-17 11:30:37,057 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 11:30:37,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:37,234 INFO L264 TraceCheckSpWp]: Trace formula consists of 931 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-17 11:30:37,239 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 11:30:37,266 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:30:37,266 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-17 11:30:37,266 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [13] total 13 [2020-07-17 11:30:37,267 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270728047] [2020-07-17 11:30:37,267 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-17 11:30:37,267 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:30:37,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-17 11:30:37,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2020-07-17 11:30:37,268 INFO L87 Difference]: Start difference. First operand 2444 states and 2867 transitions. Second operand 3 states. [2020-07-17 11:30:37,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:30:37,790 INFO L93 Difference]: Finished difference Result 4184 states and 4993 transitions. [2020-07-17 11:30:37,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-17 11:30:37,790 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 152 [2020-07-17 11:30:37,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:30:37,805 INFO L225 Difference]: With dead ends: 4184 [2020-07-17 11:30:37,806 INFO L226 Difference]: Without dead ends: 2092 [2020-07-17 11:30:37,816 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2020-07-17 11:30:37,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2092 states. [2020-07-17 11:30:38,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2092 to 2092. [2020-07-17 11:30:38,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2092 states. [2020-07-17 11:30:38,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2092 states to 2092 states and 2351 transitions. [2020-07-17 11:30:38,247 INFO L78 Accepts]: Start accepts. Automaton has 2092 states and 2351 transitions. Word has length 152 [2020-07-17 11:30:38,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:30:38,248 INFO L479 AbstractCegarLoop]: Abstraction has 2092 states and 2351 transitions. [2020-07-17 11:30:38,248 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-17 11:30:38,248 INFO L276 IsEmpty]: Start isEmpty. Operand 2092 states and 2351 transitions. [2020-07-17 11:30:38,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-07-17 11:30:38,255 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:30:38,256 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:30:38,468 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-07-17 11:30:38,469 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:30:38,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:30:38,469 INFO L82 PathProgramCache]: Analyzing trace with hash -630512924, now seen corresponding path program 1 times [2020-07-17 11:30:38,470 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:30:38,472 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300349579] [2020-07-17 11:30:38,472 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:30:38,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:38,835 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:30:38,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:38,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:38,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:38,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:38,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:38,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:38,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:38,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:38,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:38,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:38,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:38,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:38,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:38,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:38,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:38,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:38,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:38,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:38,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:38,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:38,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:38,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:38,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:38,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:38,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:38,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:38,992 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2020-07-17 11:30:38,992 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300349579] [2020-07-17 11:30:38,992 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1305802215] [2020-07-17 11:30:38,993 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2020-07-17 11:30:39,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:39,230 INFO L264 TraceCheckSpWp]: Trace formula consists of 953 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-17 11:30:39,235 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 11:30:39,286 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-07-17 11:30:39,286 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-17 11:30:39,286 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [10] total 10 [2020-07-17 11:30:39,290 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647697791] [2020-07-17 11:30:39,290 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-17 11:30:39,294 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:30:39,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-17 11:30:39,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-07-17 11:30:39,295 INFO L87 Difference]: Start difference. First operand 2092 states and 2351 transitions. Second operand 3 states. [2020-07-17 11:30:39,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:30:39,627 INFO L93 Difference]: Finished difference Result 3268 states and 3697 transitions. [2020-07-17 11:30:39,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-17 11:30:39,628 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 161 [2020-07-17 11:30:39,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:30:39,629 INFO L225 Difference]: With dead ends: 3268 [2020-07-17 11:30:39,629 INFO L226 Difference]: Without dead ends: 0 [2020-07-17 11:30:39,637 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-07-17 11:30:39,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-17 11:30:39,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-17 11:30:39,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-17 11:30:39,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-17 11:30:39,638 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 161 [2020-07-17 11:30:39,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:30:39,638 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-17 11:30:39,639 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-17 11:30:39,639 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-17 11:30:39,639 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 11:30:39,851 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 11:30:39,855 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-17 11:30:41,614 WARN L193 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 225 [2020-07-17 11:30:41,778 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 16 [2020-07-17 11:30:41,978 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 208 [2020-07-17 11:30:42,166 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 15 [2020-07-17 11:30:42,545 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 219 [2020-07-17 11:30:42,665 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 203 [2020-07-17 11:30:43,102 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 221 [2020-07-17 11:30:43,252 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 210 [2020-07-17 11:30:43,516 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 203 [2020-07-17 11:30:45,388 WARN L193 SmtUtils]: Spent 700.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 335 [2020-07-17 11:30:46,834 WARN L193 SmtUtils]: Spent 844.00 ms on a formula simplification. DAG size of input: 443 DAG size of output: 392 [2020-07-17 11:30:47,882 WARN L193 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 354 [2020-07-17 11:30:49,667 WARN L193 SmtUtils]: Spent 682.00 ms on a formula simplification. DAG size of input: 375 DAG size of output: 326 [2020-07-17 11:30:51,012 WARN L193 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 335 [2020-07-17 11:30:52,746 WARN L193 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 305 [2020-07-17 11:30:53,710 WARN L193 SmtUtils]: Spent 952.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 26 [2020-07-17 11:30:53,906 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 29 [2020-07-17 11:30:54,615 WARN L193 SmtUtils]: Spent 702.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 28 [2020-07-17 11:30:54,801 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 1 [2020-07-17 11:30:54,989 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 29 [2020-07-17 11:30:55,187 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 1 [2020-07-17 11:30:55,819 WARN L193 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 25 [2020-07-17 11:30:58,581 WARN L193 SmtUtils]: Spent 2.75 s on a formula simplification. DAG size of input: 251 DAG size of output: 49 [2020-07-17 11:30:59,631 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 184 DAG size of output: 36 [2020-07-17 11:31:00,185 WARN L193 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 27 [2020-07-17 11:31:01,823 WARN L193 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 198 DAG size of output: 36 [2020-07-17 11:31:03,127 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 184 DAG size of output: 29 [2020-07-17 11:31:04,716 WARN L193 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 279 DAG size of output: 49 [2020-07-17 11:31:05,137 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 187 [2020-07-17 11:31:05,336 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 29 [2020-07-17 11:31:05,535 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 29 [2020-07-17 11:31:07,736 WARN L193 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 196 DAG size of output: 47 [2020-07-17 11:31:07,983 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 1 [2020-07-17 11:31:09,252 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 182 DAG size of output: 33 [2020-07-17 11:31:11,878 WARN L193 SmtUtils]: Spent 2.62 s on a formula simplification. DAG size of input: 332 DAG size of output: 59 [2020-07-17 11:31:12,449 WARN L193 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 25 [2020-07-17 11:31:12,653 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 29 [2020-07-17 11:31:13,541 WARN L193 SmtUtils]: Spent 883.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 24 [2020-07-17 11:31:14,835 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 183 DAG size of output: 33 [2020-07-17 11:31:15,574 WARN L193 SmtUtils]: Spent 735.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 25 [2020-07-17 11:31:17,573 WARN L193 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 298 DAG size of output: 51 [2020-07-17 11:31:18,410 WARN L193 SmtUtils]: Spent 833.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 27 [2020-07-17 11:31:18,849 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 24 [2020-07-17 11:31:19,010 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2020-07-17 11:31:20,073 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 180 DAG size of output: 44 [2020-07-17 11:31:20,246 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 1 [2020-07-17 11:31:20,434 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 29 [2020-07-17 11:31:21,280 WARN L193 SmtUtils]: Spent 836.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 47 [2020-07-17 11:31:21,477 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 31 [2020-07-17 11:31:21,674 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 31 [2020-07-17 11:31:23,768 WARN L193 SmtUtils]: Spent 2.09 s on a formula simplification. DAG size of input: 273 DAG size of output: 51 [2020-07-17 11:31:24,799 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 209 DAG size of output: 38 [2020-07-17 11:31:24,970 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 20 [2020-07-17 11:31:25,536 WARN L193 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 25 [2020-07-17 11:31:25,708 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 1 [2020-07-17 11:31:25,894 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 29 [2020-07-17 11:31:26,487 WARN L193 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 28 [2020-07-17 11:31:26,686 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 1 [2020-07-17 11:31:26,865 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 33 [2020-07-17 11:31:28,349 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 279 DAG size of output: 49 [2020-07-17 11:31:28,784 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 25 [2020-07-17 11:31:28,958 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2020-07-17 11:31:29,867 WARN L193 SmtUtils]: Spent 904.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 27 [2020-07-17 11:31:31,163 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 223 DAG size of output: 41 [2020-07-17 11:31:32,698 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 198 DAG size of output: 36 [2020-07-17 11:31:33,934 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 245 DAG size of output: 43 [2020-07-17 11:31:33,940 INFO L268 CegarLoopResult]: For program point L542(lines 542 546) no Hoare annotation was computed. [2020-07-17 11:31:33,940 INFO L268 CegarLoopResult]: For program point L542-1(lines 542 546) no Hoare annotation was computed. [2020-07-17 11:31:33,940 INFO L268 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-07-17 11:31:33,940 INFO L268 CegarLoopResult]: For program point L536-2(lines 536 557) no Hoare annotation was computed. [2020-07-17 11:31:33,940 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 511 566) no Hoare annotation was computed. [2020-07-17 11:31:33,941 INFO L268 CegarLoopResult]: For program point L558(lines 535 559) no Hoare annotation was computed. [2020-07-17 11:31:33,941 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 511 566) no Hoare annotation was computed. [2020-07-17 11:31:33,941 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 511 566) no Hoare annotation was computed. [2020-07-17 11:31:33,941 INFO L268 CegarLoopResult]: For program point L599(lines 599 603) no Hoare annotation was computed. [2020-07-17 11:31:33,941 INFO L268 CegarLoopResult]: For program point L599-1(lines 599 603) no Hoare annotation was computed. [2020-07-17 11:31:33,941 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 567 626) no Hoare annotation was computed. [2020-07-17 11:31:33,942 INFO L268 CegarLoopResult]: For program point L594(line 594) no Hoare annotation was computed. [2020-07-17 11:31:33,942 INFO L268 CegarLoopResult]: For program point L593-2(lines 593 618) no Hoare annotation was computed. [2020-07-17 11:31:33,942 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 567 626) no Hoare annotation was computed. [2020-07-17 11:31:33,942 INFO L268 CegarLoopResult]: For program point L619(lines 592 620) no Hoare annotation was computed. [2020-07-17 11:31:33,942 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 567 626) no Hoare annotation was computed. [2020-07-17 11:31:33,942 INFO L268 CegarLoopResult]: For program point L612(line 612) no Hoare annotation was computed. [2020-07-17 11:31:33,943 INFO L268 CegarLoopResult]: For program point L612-1(line 612) no Hoare annotation was computed. [2020-07-17 11:31:33,943 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 952 958) the Hoare annotation is: true [2020-07-17 11:31:33,943 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 952 958) no Hoare annotation was computed. [2020-07-17 11:31:33,943 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 959 967) no Hoare annotation was computed. [2020-07-17 11:31:33,944 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 959 967) the Hoare annotation is: true [2020-07-17 11:31:33,944 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 959 967) no Hoare annotation was computed. [2020-07-17 11:31:33,944 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 910 932) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and (= 0 ~methAndRunningLastTime~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:31:33,944 INFO L264 CegarLoopResult]: At program point L922(line 922) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and (= 0 ~methAndRunningLastTime~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 main_~tmp~8) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:31:33,944 INFO L264 CegarLoopResult]: At program point L922-1(line 922) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and (= 0 ~methAndRunningLastTime~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 main_~tmp~8) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:31:33,944 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 910 932) no Hoare annotation was computed. [2020-07-17 11:31:33,944 INFO L268 CegarLoopResult]: For program point L920(lines 920 927) no Hoare annotation was computed. [2020-07-17 11:31:33,945 INFO L268 CegarLoopResult]: For program point L920-1(lines 920 927) no Hoare annotation was computed. [2020-07-17 11:31:33,945 INFO L268 CegarLoopResult]: For program point L918(line 918) no Hoare annotation was computed. [2020-07-17 11:31:33,945 INFO L264 CegarLoopResult]: At program point L917(line 917) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and (= 0 ~methAndRunningLastTime~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:31:33,945 INFO L264 CegarLoopResult]: At program point L916(line 916) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and (= 0 ~methAndRunningLastTime~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:31:33,945 INFO L264 CegarLoopResult]: At program point L916-1(line 916) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and (= 0 ~methAndRunningLastTime~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:31:33,945 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 910 932) no Hoare annotation was computed. [2020-07-17 11:31:33,945 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 865 888) no Hoare annotation was computed. [2020-07-17 11:31:33,946 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 865 888) no Hoare annotation was computed. [2020-07-17 11:31:33,946 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 865 888) no Hoare annotation was computed. [2020-07-17 11:31:33,946 INFO L268 CegarLoopResult]: For program point L883(line 883) no Hoare annotation was computed. [2020-07-17 11:31:33,946 INFO L268 CegarLoopResult]: For program point L882(line 882) no Hoare annotation was computed. [2020-07-17 11:31:33,946 INFO L268 CegarLoopResult]: For program point L881(line 881) no Hoare annotation was computed. [2020-07-17 11:31:33,946 INFO L268 CegarLoopResult]: For program point L880(line 880) no Hoare annotation was computed. [2020-07-17 11:31:33,946 INFO L268 CegarLoopResult]: For program point L879(line 879) no Hoare annotation was computed. [2020-07-17 11:31:33,946 INFO L268 CegarLoopResult]: For program point L878(line 878) no Hoare annotation was computed. [2020-07-17 11:31:33,946 INFO L268 CegarLoopResult]: For program point L877(line 877) no Hoare annotation was computed. [2020-07-17 11:31:33,947 INFO L268 CegarLoopResult]: For program point L876(line 876) no Hoare annotation was computed. [2020-07-17 11:31:33,947 INFO L268 CegarLoopResult]: For program point L875(line 875) no Hoare annotation was computed. [2020-07-17 11:31:33,947 INFO L268 CegarLoopResult]: For program point L874(line 874) no Hoare annotation was computed. [2020-07-17 11:31:33,947 INFO L268 CegarLoopResult]: For program point L873(line 873) no Hoare annotation was computed. [2020-07-17 11:31:33,947 INFO L268 CegarLoopResult]: For program point L872(line 872) no Hoare annotation was computed. [2020-07-17 11:31:33,947 INFO L268 CegarLoopResult]: For program point L871(line 871) no Hoare annotation was computed. [2020-07-17 11:31:33,947 INFO L268 CegarLoopResult]: For program point L870(line 870) no Hoare annotation was computed. [2020-07-17 11:31:33,947 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 435 449) no Hoare annotation was computed. [2020-07-17 11:31:33,948 INFO L264 CegarLoopResult]: At program point L441(line 441) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (= 0 |old(~systemActive~0)|)) (.cse7 (not (<= 2 ~waterLevel~0))) (.cse3 (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= 1 |old(~systemActive~0)|))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse3 .cse4 .cse5) (or .cse1 .cse3 .cse4 .cse6 .cse7) (or .cse3 .cse4 .cse8 .cse6 .cse7) (or .cse0 .cse3 .cse4 .cse8 .cse5) (or .cse0 .cse2 .cse8))) [2020-07-17 11:31:33,948 INFO L268 CegarLoopResult]: For program point L439(lines 439 445) no Hoare annotation was computed. [2020-07-17 11:31:33,948 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 435 449) the Hoare annotation is: (let ((.cse10 (= |old(~systemActive~0)| ~systemActive~0))) (let ((.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (= 0 |old(~systemActive~0)|)) (.cse8 (not (<= 2 ~waterLevel~0))) (.cse2 (and .cse10 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= 1 |old(~systemActive~0)|))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse9 (not (= 0 ~methaneLevelCritical~0))) (.cse6 (and .cse10 (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse5 .cse6) (or .cse1 .cse2 .cse3 .cse7 .cse8) (or .cse2 .cse3 .cse9 .cse7 .cse8) (or .cse0 .cse2 .cse3 .cse9 .cse4) (or .cse0 .cse5 .cse9 .cse6)))) [2020-07-17 11:31:33,948 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 435 449) no Hoare annotation was computed. [2020-07-17 11:31:33,948 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 371 379) no Hoare annotation was computed. [2020-07-17 11:31:33,949 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 371 379) the Hoare annotation is: true [2020-07-17 11:31:33,949 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 371 379) no Hoare annotation was computed. [2020-07-17 11:31:33,949 INFO L268 CegarLoopResult]: For program point L387-2(lines 387 395) no Hoare annotation was computed. [2020-07-17 11:31:33,949 INFO L268 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2020-07-17 11:31:33,949 INFO L268 CegarLoopResult]: For program point L410-1(line 410) no Hoare annotation was computed. [2020-07-17 11:31:33,949 INFO L268 CegarLoopResult]: For program point L399(lines 399 407) no Hoare annotation was computed. [2020-07-17 11:31:33,949 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 380 415) no Hoare annotation was computed. [2020-07-17 11:31:33,949 INFO L268 CegarLoopResult]: For program point L399-2(lines 399 407) no Hoare annotation was computed. [2020-07-17 11:31:33,949 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 380 415) no Hoare annotation was computed. [2020-07-17 11:31:33,950 INFO L268 CegarLoopResult]: For program point L387(lines 387 395) no Hoare annotation was computed. [2020-07-17 11:31:33,950 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 380 415) no Hoare annotation was computed. [2020-07-17 11:31:33,950 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 945 951) no Hoare annotation was computed. [2020-07-17 11:31:33,950 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 945 951) the Hoare annotation is: true [2020-07-17 11:31:33,950 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 465 510) no Hoare annotation was computed. [2020-07-17 11:31:33,950 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 465 510) no Hoare annotation was computed. [2020-07-17 11:31:33,950 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 465 510) no Hoare annotation was computed. [2020-07-17 11:31:33,950 INFO L268 CegarLoopResult]: For program point L798(lines 798 805) no Hoare annotation was computed. [2020-07-17 11:31:33,950 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 778 823) no Hoare annotation was computed. [2020-07-17 11:31:33,951 INFO L268 CegarLoopResult]: For program point L792(lines 792 812) no Hoare annotation was computed. [2020-07-17 11:31:33,951 INFO L268 CegarLoopResult]: For program point L792-1(lines 792 812) no Hoare annotation was computed. [2020-07-17 11:31:33,951 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 778 823) no Hoare annotation was computed. [2020-07-17 11:31:33,951 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 778 823) no Hoare annotation was computed. [2020-07-17 11:31:33,951 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 896 906) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and (= 0 ~methAndRunningLastTime~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:31:33,951 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 896 906) no Hoare annotation was computed. [2020-07-17 11:31:33,951 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 896 906) no Hoare annotation was computed. [2020-07-17 11:31:33,952 INFO L264 CegarLoopResult]: At program point L901(line 901) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and (= 0 ~methAndRunningLastTime~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:31:33,952 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 360 370) the Hoare annotation is: true [2020-07-17 11:31:33,952 INFO L271 CegarLoopResult]: At program point L365(line 365) the Hoare annotation is: true [2020-07-17 11:31:33,952 INFO L268 CegarLoopResult]: For program point L365-1(line 365) no Hoare annotation was computed. [2020-07-17 11:31:33,952 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 360 370) no Hoare annotation was computed. [2020-07-17 11:31:33,952 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 360 370) no Hoare annotation was computed. [2020-07-17 11:31:33,952 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 352 359) the Hoare annotation is: (let ((.cse3 (= 0 ~systemActive~0)) (.cse4 (not (<= 2 ~waterLevel~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse6 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse2 .cse3 .cse5 .cse4) (or .cse0 .cse1 .cse2 .cse6) (or .cse2 .cse1 .cse5 .cse6))) [2020-07-17 11:31:33,953 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 352 359) no Hoare annotation was computed. [2020-07-17 11:31:33,953 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 352 359) no Hoare annotation was computed. [2020-07-17 11:31:33,953 INFO L268 CegarLoopResult]: For program point L171(lines 171 177) no Hoare annotation was computed. [2020-07-17 11:31:33,953 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 167 180) no Hoare annotation was computed. [2020-07-17 11:31:33,953 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 167 180) the Hoare annotation is: true [2020-07-17 11:31:33,953 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 167 180) no Hoare annotation was computed. [2020-07-17 11:31:33,953 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 319 343) no Hoare annotation was computed. [2020-07-17 11:31:33,953 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 319 343) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0)) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse4) (or .cse7 .cse6 .cse2 .cse4))) [2020-07-17 11:31:33,954 INFO L264 CegarLoopResult]: At program point L338(line 338) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0)) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse3 .cse4) (or .cse6 .cse2 .cse4) (or .cse5 .cse6 .cse4))) [2020-07-17 11:31:33,954 INFO L268 CegarLoopResult]: For program point L338-1(lines 319 343) no Hoare annotation was computed. [2020-07-17 11:31:33,954 INFO L264 CegarLoopResult]: At program point L333(line 333) the Hoare annotation is: (let ((.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse3) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse5 .cse2 .cse3) (or .cse0 .cse4 .cse1 .cse3))) [2020-07-17 11:31:33,954 INFO L264 CegarLoopResult]: At program point L329(line 329) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 (and .cse5 (<= ~methaneLevelCritical~0 processEnvironment_~tmp~3)) .cse6 .cse3) (or .cse5 .cse6 .cse2 .cse3) (or .cse0 .cse4 .cse1 .cse3))) [2020-07-17 11:31:33,954 INFO L268 CegarLoopResult]: For program point L327(lines 327 335) no Hoare annotation was computed. [2020-07-17 11:31:33,955 INFO L264 CegarLoopResult]: At program point L325(line 325) the Hoare annotation is: (let ((.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse3) (or .cse6 .cse5 .cse2 .cse3) (or .cse0 .cse4 .cse1 .cse3))) [2020-07-17 11:31:33,955 INFO L268 CegarLoopResult]: For program point L325-1(line 325) no Hoare annotation was computed. [2020-07-17 11:31:33,955 INFO L268 CegarLoopResult]: For program point L323(lines 323 340) no Hoare annotation was computed. [2020-07-17 11:31:33,955 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 285 291) no Hoare annotation was computed. [2020-07-17 11:31:33,955 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 285 291) the Hoare annotation is: true [2020-07-17 11:31:33,955 INFO L264 CegarLoopResult]: At program point testENTRY(lines 186 253) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and (= 0 ~methAndRunningLastTime~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:31:33,955 INFO L268 CegarLoopResult]: For program point testFINAL(lines 186 253) no Hoare annotation was computed. [2020-07-17 11:31:33,956 INFO L264 CegarLoopResult]: At program point L246(lines 195 247) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:31:33,956 INFO L264 CegarLoopResult]: At program point L236(line 236) the Hoare annotation is: (let ((.cse2 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (.cse3 (= 1 ~systemActive~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse8 (<= 2 ~waterLevel~0)) (.cse9 (not (= 0 ~systemActive~0))) (.cse4 (<= 1 ~pumpRunning~0)) (.cse7 (= 0 ~methAndRunningLastTime~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse6 (= 0 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= 1 |old(~systemActive~0)|)) (and .cse5 .cse0 .cse6 .cse2) (and .cse7 .cse5 .cse0 .cse3 .cse4) (not (= 1 |old(~waterLevel~0)|)) (and .cse8 .cse5 .cse0 .cse9 .cse4) (and .cse0 .cse8 .cse9 .cse1 .cse4) (and .cse7 .cse0 .cse1 .cse6))) [2020-07-17 11:31:33,956 INFO L268 CegarLoopResult]: For program point L234(lines 234 240) no Hoare annotation was computed. [2020-07-17 11:31:33,956 INFO L264 CegarLoopResult]: At program point L234-1(lines 226 241) the Hoare annotation is: (let ((.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse8 (<= 2 ~waterLevel~0)) (.cse2 (= 0 ~systemActive~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse4 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (.cse5 (= 0 ~methAndRunningLastTime~0)) (.cse6 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse7 (= 1 ~systemActive~0)) (.cse9 (<= 1 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse0 .cse3 .cse7) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse8 .cse6 .cse0 .cse2 .cse3) (and .cse8 .cse0 .cse1 .cse2 .cse3) (and .cse5 .cse0 .cse1 .cse3 .cse7) (and .cse8 .cse0 .cse1 .cse7 .cse9) (not (= 1 |old(~systemActive~0)|)) (and .cse5 .cse0 .cse1 .cse7 .cse9) (and .cse8 .cse6 .cse0 .cse7 .cse9) (and .cse6 .cse0 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse0 .cse7 .cse9) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-17 11:31:33,956 INFO L268 CegarLoopResult]: For program point L197(lines 196 245) no Hoare annotation was computed. [2020-07-17 11:31:33,957 INFO L264 CegarLoopResult]: At program point L228(line 228) the Hoare annotation is: (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse0 (<= 2 ~waterLevel~0)) (.cse3 (<= 1 ~pumpRunning~0)) (.cse5 (= 0 ~methAndRunningLastTime~0)) (.cse2 (= 0 test_~splverifierCounter~0)) (.cse6 (<= 1 ~methaneLevelCritical~0)) (.cse4 (= 0 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse2 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) .cse4 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (and .cse5 .cse2 .cse6 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and .cse5 .cse1 .cse2 .cse3) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse2 .cse6 .cse3) (and .cse5 .cse2 .cse6 .cse4))) [2020-07-17 11:31:33,957 INFO L268 CegarLoopResult]: For program point L226(lines 226 241) no Hoare annotation was computed. [2020-07-17 11:31:33,957 INFO L264 CegarLoopResult]: At program point L218(line 218) the Hoare annotation is: (let ((.cse5 (= 0 ~systemActive~0)) (.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse6 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse4 (= 1 ~systemActive~0)) (.cse7 (<= 1 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse0 .cse2 .cse5 .cse3) (and .cse0 .cse6 .cse1 .cse5 .cse3) (and (<= 2 ~waterLevel~0) .cse1 .cse2 .cse4 .cse7) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and .cse6 .cse1 .cse3 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) .cse4) (and .cse0 .cse6 .cse1 .cse4 .cse7) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-17 11:31:33,957 INFO L268 CegarLoopResult]: For program point L216(lines 216 222) no Hoare annotation was computed. [2020-07-17 11:31:33,957 INFO L268 CegarLoopResult]: For program point L216-1(lines 216 222) no Hoare annotation was computed. [2020-07-17 11:31:33,957 INFO L264 CegarLoopResult]: At program point L243(lines 196 245) the Hoare annotation is: (let ((.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse6 (= 0 ~systemActive~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (.cse7 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (<= 1 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse7 .cse6 .cse2 .cse3) (not (= 1 |old(~systemActive~0)|)) (and .cse7 .cse0 .cse2 .cse3 .cse4) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methAndRunningLastTime~0) .cse7 .cse0 .cse4 .cse5))) [2020-07-17 11:31:33,958 INFO L264 CegarLoopResult]: At program point L208(line 208) the Hoare annotation is: (let ((.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse6 (= 0 ~systemActive~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (.cse7 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (<= 1 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse7 .cse6 .cse2 .cse3) (not (= 1 |old(~systemActive~0)|)) (and .cse7 .cse0 .cse2 .cse3 .cse4) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methAndRunningLastTime~0) .cse7 .cse0 .cse4 .cse5))) [2020-07-17 11:31:33,958 INFO L268 CegarLoopResult]: For program point L206(lines 206 212) no Hoare annotation was computed. [2020-07-17 11:31:33,958 INFO L268 CegarLoopResult]: For program point L206-1(lines 206 212) no Hoare annotation was computed. [2020-07-17 11:31:33,958 INFO L268 CegarLoopResult]: For program point L198(lines 198 202) no Hoare annotation was computed. [2020-07-17 11:31:33,958 INFO L268 CegarLoopResult]: For program point testEXIT(lines 186 253) no Hoare annotation was computed. [2020-07-17 11:31:33,958 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 732 777) no Hoare annotation was computed. [2020-07-17 11:31:33,958 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 732 777) no Hoare annotation was computed. [2020-07-17 11:31:33,959 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 732 777) no Hoare annotation was computed. [2020-07-17 11:31:33,959 INFO L268 CegarLoopResult]: For program point L752(lines 752 759) no Hoare annotation was computed. [2020-07-17 11:31:33,959 INFO L268 CegarLoopResult]: For program point L746(lines 746 766) no Hoare annotation was computed. [2020-07-17 11:31:33,959 INFO L268 CegarLoopResult]: For program point L746-1(lines 746 766) no Hoare annotation was computed. [2020-07-17 11:31:33,959 INFO L268 CegarLoopResult]: For program point L65(lines 65 71) no Hoare annotation was computed. [2020-07-17 11:31:33,959 INFO L268 CegarLoopResult]: For program point L64(lines 64 74) no Hoare annotation was computed. [2020-07-17 11:31:33,959 INFO L264 CegarLoopResult]: At program point L62(line 62) the Hoare annotation is: (let ((.cse6 (not (<= 2 ~waterLevel~0))) (.cse2 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (.cse9 (not (= 0 ~methaneLevelCritical~0))) (.cse7 (not (<= 1 ~pumpRunning~0))) (.cse3 (not (= 1 ~systemActive~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse8 (not (= 0 ~systemActive~0))) (.cse5 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse1 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5 .cse6 .cse7 .cse3) (or .cse8 .cse9 .cse6 .cse1) (or .cse9 .cse1 .cse3) (or .cse8 .cse5 .cse9 .cse1) (or .cse0 .cse8 .cse6 .cse1 .cse2) (or .cse9 .cse7 .cse3) (or .cse0 .cse4 .cse8 .cse5 .cse1))) [2020-07-17 11:31:33,959 INFO L268 CegarLoopResult]: For program point L62-1(line 62) no Hoare annotation was computed. [2020-07-17 11:31:33,960 INFO L268 CegarLoopResult]: For program point L60(lines 60 77) no Hoare annotation was computed. [2020-07-17 11:31:33,960 INFO L268 CegarLoopResult]: For program point L60-1(lines 52 80) no Hoare annotation was computed. [2020-07-17 11:31:33,960 INFO L264 CegarLoopResult]: At program point L58(line 58) the Hoare annotation is: (let ((.cse7 (not (<= 1 ~pumpRunning~0))) (.cse3 (not (= 1 ~systemActive~0))) (.cse6 (not (<= 2 ~waterLevel~0))) (.cse2 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (.cse8 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse9 (not (= 0 ~systemActive~0))) (.cse5 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse1 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5 .cse6 .cse7 .cse3) (or .cse8 .cse1 .cse2 .cse3) (or .cse8 .cse7 .cse2 .cse3) (or .cse9 .cse8 .cse6 .cse1 .cse2) (or .cse0 .cse9 .cse6 .cse1 .cse2) (or .cse4 .cse9 .cse5 .cse8 .cse1) (or .cse0 .cse4 .cse9 .cse5 .cse1))) [2020-07-17 11:31:33,960 INFO L268 CegarLoopResult]: For program point L58-1(line 58) no Hoare annotation was computed. [2020-07-17 11:31:33,960 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 52 80) the Hoare annotation is: (let ((.cse7 (not (<= 1 ~pumpRunning~0))) (.cse3 (not (= 1 ~systemActive~0))) (.cse6 (not (<= 2 ~waterLevel~0))) (.cse2 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (.cse8 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse9 (not (= 0 ~systemActive~0))) (.cse5 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse1 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5 .cse6 .cse7 .cse3) (or .cse8 .cse1 .cse2 .cse3) (or .cse8 .cse7 .cse2 .cse3) (or .cse9 .cse8 .cse6 .cse1 .cse2) (or .cse0 .cse9 .cse6 .cse1 .cse2) (or .cse4 .cse9 .cse5 .cse8 .cse1) (or .cse0 .cse4 .cse9 .cse5 .cse1))) [2020-07-17 11:31:33,960 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 52 80) no Hoare annotation was computed. [2020-07-17 11:31:33,961 INFO L264 CegarLoopResult]: At program point L67(line 67) the Hoare annotation is: (let ((.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not (= 0 ~systemActive~0))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse5 (not (<= 2 ~waterLevel~0))) (.cse7 (not (<= 1 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse1) (or .cse0 .cse3 .cse5 .cse1) (or .cse4 .cse1 .cse2) (or .cse3 .cse6 .cse4 .cse1) (or .cse4 .cse7 .cse2) (or .cse0 .cse3 .cse6 .cse1) (or .cse0 .cse6 .cse5 .cse7 .cse2))) [2020-07-17 11:31:33,961 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 44 51) the Hoare annotation is: (or (= 0 ~methAndRunningLastTime~0) (not (= 1 ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 ~methaneLevelCritical~0)) (not (= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-17 11:31:33,961 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 44 51) no Hoare annotation was computed. [2020-07-17 11:31:33,961 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 44 51) no Hoare annotation was computed. [2020-07-17 11:31:33,961 INFO L268 CegarLoopResult]: For program point L143(lines 143 151) no Hoare annotation was computed. [2020-07-17 11:31:33,961 INFO L268 CegarLoopResult]: For program point L143-2(lines 143 151) no Hoare annotation was computed. [2020-07-17 11:31:33,961 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 135 157) no Hoare annotation was computed. [2020-07-17 11:31:33,962 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 135 157) no Hoare annotation was computed. [2020-07-17 11:31:33,962 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 135 157) no Hoare annotation was computed. [2020-07-17 11:31:33,962 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 629 731) no Hoare annotation was computed. [2020-07-17 11:31:33,962 INFO L268 CegarLoopResult]: For program point L694(line 694) no Hoare annotation was computed. [2020-07-17 11:31:33,962 INFO L268 CegarLoopResult]: For program point L694-1(line 694) no Hoare annotation was computed. [2020-07-17 11:31:33,962 INFO L268 CegarLoopResult]: For program point L653(lines 653 657) no Hoare annotation was computed. [2020-07-17 11:31:33,962 INFO L268 CegarLoopResult]: For program point L717(lines 717 728) no Hoare annotation was computed. [2020-07-17 11:31:33,962 INFO L268 CegarLoopResult]: For program point L680(lines 680 684) no Hoare annotation was computed. [2020-07-17 11:31:33,962 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 629 731) no Hoare annotation was computed. [2020-07-17 11:31:33,962 INFO L268 CegarLoopResult]: For program point L678-2(lines 678 698) no Hoare annotation was computed. [2020-07-17 11:31:33,963 INFO L268 CegarLoopResult]: For program point L699(lines 677 700) no Hoare annotation was computed. [2020-07-17 11:31:33,963 INFO L268 CegarLoopResult]: For program point L658(lines 658 674) no Hoare annotation was computed. [2020-07-17 11:31:33,963 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 629 731) no Hoare annotation was computed. [2020-07-17 11:31:33,963 INFO L268 CegarLoopResult]: For program point L718(lines 718 725) no Hoare annotation was computed. [2020-07-17 11:31:33,963 INFO L268 CegarLoopResult]: For program point L679(lines 678 698) no Hoare annotation was computed. [2020-07-17 11:31:33,963 INFO L268 CegarLoopResult]: For program point L710(line 710) no Hoare annotation was computed. [2020-07-17 11:31:33,963 INFO L268 CegarLoopResult]: For program point L710-1(line 710) no Hoare annotation was computed. [2020-07-17 11:31:33,963 INFO L268 CegarLoopResult]: For program point L675(lines 675 716) no Hoare annotation was computed. [2020-07-17 11:31:33,963 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 935 944) no Hoare annotation was computed. [2020-07-17 11:31:33,964 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 935 944) no Hoare annotation was computed. [2020-07-17 11:31:33,964 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 935 944) no Hoare annotation was computed. [2020-07-17 11:31:33,964 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-17 11:31:33,964 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= |old(#t~string65.base)| |#t~string65.base|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |old(#t~string55.offset)| |#t~string55.offset|) (= |old(~head~0.base)| ~head~0.base) (= |old(#t~string11.base)| |#t~string11.base|) (= |old(#t~string22.offset)| |#t~string22.offset|) (= |old(#t~string24.offset)| |#t~string24.offset|) (= |old(#t~string66.offset)| |#t~string66.offset|) (= |old(#t~string34.base)| |#t~string34.base|) (= |old(#t~string68.offset)| |#t~string68.offset|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |old(~systemActive~0)| ~systemActive~0) (= |old(#t~string32.offset)| |#t~string32.offset|) (= |old(#t~string20.offset)| |#t~string20.offset|) (= |#t~string64.base| |old(#t~string64.base)|) (= |old(#t~string20.base)| |#t~string20.base|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |old(#t~string11.offset)| |#t~string11.offset|) (= |old(#t~string63.offset)| |#t~string63.offset|) (= |old(#t~string32.base)| |#t~string32.base|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |old(#t~string28.base)| |#t~string28.base|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |old(#t~string7.base)| |#t~string7.base|) (= |#t~string58.base| |old(#t~string58.base)|) (= |old(#NULL.base)| |#NULL.base|) (= |old(#t~string57.base)| |#t~string57.base|) (= |old(#t~string3.offset)| |#t~string3.offset|) (= |#t~string56.base| |old(#t~string56.base)|) (= |old(#t~string26.offset)| |#t~string26.offset|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |old(#t~string24.base)| |#t~string24.base|) (= |old(#t~string58.offset)| |#t~string58.offset|) (= |old(#t~string66.base)| |#t~string66.base|) (= |#t~string67.base| |old(#t~string67.base)|) (= |old(#t~string64.offset)| |#t~string64.offset|) (= |old(#t~string34.offset)| |#t~string34.offset|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#valid| |old(#valid)|) (= |old(#t~string54.offset)| |#t~string54.offset|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string5.base| |old(#t~string5.base)|)) [2020-07-17 11:31:33,964 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-17 11:31:33,964 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 344 351) no Hoare annotation was computed. [2020-07-17 11:31:33,965 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 344 351) no Hoare annotation was computed. [2020-07-17 11:31:33,965 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 344 351) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (not (<= 2 ~waterLevel~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2 .cse3 .cse4) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2 .cse3 .cse4))) [2020-07-17 11:31:33,965 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 158 166) no Hoare annotation was computed. [2020-07-17 11:31:33,965 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 158 166) no Hoare annotation was computed. [2020-07-17 11:31:33,965 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 158 166) no Hoare annotation was computed. [2020-07-17 11:31:33,965 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 416 434) no Hoare annotation was computed. [2020-07-17 11:31:33,965 INFO L268 CegarLoopResult]: For program point L425(lines 425 429) no Hoare annotation was computed. [2020-07-17 11:31:33,965 INFO L271 CegarLoopResult]: At program point L423(line 423) the Hoare annotation is: true [2020-07-17 11:31:33,966 INFO L268 CegarLoopResult]: For program point L425-2(lines 425 429) no Hoare annotation was computed. [2020-07-17 11:31:33,966 INFO L268 CegarLoopResult]: For program point L423-1(line 423) no Hoare annotation was computed. [2020-07-17 11:31:33,966 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 416 434) the Hoare annotation is: true [2020-07-17 11:31:33,966 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 416 434) no Hoare annotation was computed. [2020-07-17 11:31:33,966 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 114 125) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~pumpRunning~0))) (.cse2 (not (<= 1 |old(~methaneLevelCritical~0)|))) (.cse3 (not (= 1 ~systemActive~0))) (.cse4 (not (= 0 ~methAndRunningLastTime~0))) (.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse6 (not (= 0 ~systemActive~0))) (.cse5 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse7 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse5 .cse1 .cse3) (or .cse4 .cse0 .cse6 .cse7 .cse2) (or .cse4 .cse0 .cse5 .cse7 .cse3) (or .cse4 .cse0 .cse7 .cse2 .cse3) (or .cse4 .cse0 .cse6 .cse5 .cse7))) [2020-07-17 11:31:33,966 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 114 125) no Hoare annotation was computed. [2020-07-17 11:31:33,966 INFO L268 CegarLoopResult]: For program point L118-1(lines 114 125) no Hoare annotation was computed. [2020-07-17 11:31:33,966 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-17 11:31:33,966 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-17 11:31:33,967 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-17 11:31:33,967 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 126 134) the Hoare annotation is: true [2020-07-17 11:31:33,967 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 126 134) no Hoare annotation was computed. [2020-07-17 11:31:33,967 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 126 134) no Hoare annotation was computed. [2020-07-17 11:31:33,967 INFO L264 CegarLoopResult]: At program point L274(line 274) the Hoare annotation is: (let ((.cse11 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse12 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (let ((.cse0 (and .cse11 .cse12 (<= 1 ~pumpRunning~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (and .cse11 .cse12)) (.cse2 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse10 (and (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse4 (not (= 1 ~systemActive~0))) (.cse9 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (= 0 ~systemActive~0))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse2 .cse3) (or .cse1 .cse7 .cse3 .cse8 .cse4) (or .cse9 .cse0 .cse1 .cse2 .cse4) (or .cse9 .cse5 .cse6 .cse2) (or .cse9 .cse6 .cse2 .cse10 .cse4) (or .cse5 .cse6 .cse3 .cse8) (or .cse9 .cse1 .cse7 .cse8 .cse4) (or .cse6 .cse2 .cse3 .cse10 .cse4) (or .cse9 .cse5 .cse6 .cse8)))) [2020-07-17 11:31:33,967 INFO L264 CegarLoopResult]: At program point L272(lines 272 278) the Hoare annotation is: (let ((.cse13 (= 0 ~pumpRunning~0)) (.cse16 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse14 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (.cse15 (<= 1 ~pumpRunning~0))) (let ((.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse12 (and (<= 2 ~waterLevel~0) .cse16 .cse14 .cse15)) (.cse2 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse4 (and (= 0 ~methAndRunningLastTime~0) .cse13 .cse16)) (.cse11 (and .cse13 .cse16 .cse14)) (.cse0 (not (= 0 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse10 (and .cse14 .cse15)) (.cse7 (and .cse13 .cse14)) (.cse8 (not (<= 2 |old(~waterLevel~0)|))) (.cse9 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse1 .cse2 .cse4) (or .cse5 .cse6 .cse7 .cse8 .cse9) (or .cse5 .cse6 .cse2 .cse7 .cse9) (or .cse6 .cse2 .cse3 .cse10 .cse7 .cse9) (or .cse5 .cse11 .cse0 .cse1 .cse8) (or .cse5 .cse12 .cse1 .cse2 .cse4 .cse9) (or .cse12 .cse1 .cse2 .cse3 .cse4 .cse9) (or .cse11 .cse0 .cse1 .cse3 .cse8) (or .cse6 .cse3 .cse10 .cse7 .cse8 .cse9)))) [2020-07-17 11:31:33,968 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 261 284) the Hoare annotation is: (let ((.cse16 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse14 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (.cse15 (= 0 ~methAndRunningLastTime~0)) (.cse12 (= 0 ~pumpRunning~0)) (.cse13 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse4 (and .cse15 .cse12 .cse13)) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse9 (and .cse16 .cse13 .cse14)) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse8 (and .cse15 .cse16 .cse13)) (.cse2 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse6 (not (= 1 ~systemActive~0))) (.cse11 (and .cse12 .cse13 .cse14)) (.cse0 (not (= 0 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse10 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse2 .cse4 .cse6) (or .cse5 .cse0 .cse1 .cse2 .cse4) (or .cse5 .cse7 .cse8 .cse2 .cse6) (or .cse7 .cse3 .cse9 .cse10 .cse6) (or .cse1 .cse2 .cse3 .cse4 .cse6) (or .cse5 .cse11 .cse0 .cse1 .cse10) (or .cse5 .cse7 .cse9 .cse10 .cse6) (or .cse7 .cse8 .cse2 .cse3 .cse6) (or .cse11 .cse0 .cse1 .cse3 .cse10)))) [2020-07-17 11:31:33,968 INFO L264 CegarLoopResult]: At program point L267(line 267) the Hoare annotation is: (let ((.cse10 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse11 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse9 (and .cse10 .cse11 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (.cse5 (not (<= 2 |old(~waterLevel~0)|))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (and (= 0 ~methAndRunningLastTime~0) .cse10 .cse11)) (.cse2 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse8 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse3 .cse5) (or .cse4 .cse6 .cse7 .cse2 .cse8) (or .cse6 .cse3 .cse9 .cse5 .cse8) (or .cse4 .cse0 .cse1 .cse5) (or .cse1 .cse2 .cse3 .cse8) (or .cse4 .cse1 .cse2 .cse8) (or .cse4 .cse6 .cse9 .cse5 .cse8) (or .cse6 .cse7 .cse2 .cse3 .cse8)))) [2020-07-17 11:31:33,968 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 261 284) no Hoare annotation was computed. [2020-07-17 11:31:33,968 INFO L268 CegarLoopResult]: For program point L265(lines 264 283) no Hoare annotation was computed. [2020-07-17 11:31:33,968 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 261 284) no Hoare annotation was computed. [2020-07-17 11:31:33,968 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 835 864) no Hoare annotation was computed. [2020-07-17 11:31:33,969 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 835 864) the Hoare annotation is: true [2020-07-17 11:31:33,969 INFO L271 CegarLoopResult]: At program point L860(lines 835 864) the Hoare annotation is: true [2020-07-17 11:31:33,969 INFO L268 CegarLoopResult]: For program point L856(line 856) no Hoare annotation was computed. [2020-07-17 11:31:33,969 INFO L268 CegarLoopResult]: For program point L849(lines 849 853) no Hoare annotation was computed. [2020-07-17 11:31:33,969 INFO L271 CegarLoopResult]: At program point L849-1(lines 849 853) the Hoare annotation is: true [2020-07-17 11:31:33,969 INFO L268 CegarLoopResult]: For program point L846(line 846) no Hoare annotation was computed. [2020-07-17 11:31:33,969 INFO L271 CegarLoopResult]: At program point L845-2(lines 845 859) the Hoare annotation is: true [2020-07-17 11:31:33,969 INFO L271 CegarLoopResult]: At program point L841(line 841) the Hoare annotation is: true [2020-07-17 11:31:33,970 INFO L268 CegarLoopResult]: For program point L841-1(line 841) no Hoare annotation was computed. [2020-07-17 11:31:33,970 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 90 101) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (<= 1 ~pumpRunning~0))) (.cse6 (not (<= 2 |old(~waterLevel~0)|))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse2 .cse3 .cse6 .cse4) (or .cse0 .cse5 .cse2 .cse3 .cse4) (or .cse1 .cse2 .cse3 .cse6 .cse4))) [2020-07-17 11:31:33,970 INFO L268 CegarLoopResult]: For program point L94-1(lines 90 101) no Hoare annotation was computed. [2020-07-17 11:31:33,970 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 90 101) no Hoare annotation was computed. [2020-07-17 11:31:33,970 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 889 895) no Hoare annotation was computed. [2020-07-17 11:31:33,970 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 889 895) the Hoare annotation is: true [2020-07-17 11:31:33,970 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-17 11:31:33,970 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-17 11:31:33,971 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-17 11:31:33,971 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-17 11:31:33,971 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 450 457) no Hoare annotation was computed. [2020-07-17 11:31:33,971 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 450 457) the Hoare annotation is: (let ((.cse6 (not (<= 2 ~waterLevel~0))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse5 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (= |old(~systemActive~0)| ~systemActive~0)) (.cse3 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse1 .cse5) (or .cse1 .cse2 .cse6 .cse3) (or .cse4 .cse1 .cse6 .cse3) (or .cse0 .cse1 .cse2 .cse5) (or .cse0 .cse4 .cse1 .cse3))) [2020-07-17 11:31:33,971 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 450 457) no Hoare annotation was computed. [2020-07-17 11:31:33,971 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 293 317) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0)) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse3 .cse4) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) .cse2 .cse4))) [2020-07-17 11:31:33,972 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 293 317) no Hoare annotation was computed. [2020-07-17 11:31:33,972 INFO L264 CegarLoopResult]: At program point L312(line 312) the Hoare annotation is: (let ((.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) .cse2 .cse3) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse3))) [2020-07-17 11:31:33,972 INFO L268 CegarLoopResult]: For program point L312-1(lines 293 317) no Hoare annotation was computed. [2020-07-17 11:31:33,972 INFO L264 CegarLoopResult]: At program point L307(line 307) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~2) (= 0 ~pumpRunning~0))) (.cse2 (not (= 0 ~methAndRunningLastTime~0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse2 .cse3 .cse4 .cse0 .cse1) (or .cse3 .cse2 (not (<= 1 ~methaneLevelCritical~0)) .cse4 .cse1))) [2020-07-17 11:31:33,972 INFO L264 CegarLoopResult]: At program point L303(line 303) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (and (<= 2 ~waterLevel~0) (= 0 ~pumpRunning~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse4 .cse3) (or .cse0 .cse1 .cse2 .cse4 .cse3))) [2020-07-17 11:31:33,972 INFO L268 CegarLoopResult]: For program point L301(lines 301 309) no Hoare annotation was computed. [2020-07-17 11:31:33,972 INFO L264 CegarLoopResult]: At program point L299(line 299) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0)) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse3 .cse4) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse2 .cse4))) [2020-07-17 11:31:33,973 INFO L268 CegarLoopResult]: For program point L299-1(line 299) no Hoare annotation was computed. [2020-07-17 11:31:33,973 INFO L268 CegarLoopResult]: For program point L297(lines 297 314) no Hoare annotation was computed. [2020-07-17 11:31:33,973 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 102 113) no Hoare annotation was computed. [2020-07-17 11:31:33,973 INFO L268 CegarLoopResult]: For program point L106-1(lines 102 113) no Hoare annotation was computed. [2020-07-17 11:31:33,973 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 102 113) the Hoare annotation is: (let ((.cse3 (not (<= 1 ~pumpRunning~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not (= 0 ~systemActive~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse2 .cse6 .cse4) (or .cse5 .cse2 .cse3 (not (<= 2 |old(~waterLevel~0)|)) .cse4) (or .cse0 .cse5 .cse7 .cse2 .cse6) (or .cse0 .cse7 .cse1 .cse2 .cse6) (or .cse0 .cse1 .cse2 .cse6 .cse4))) [2020-07-17 11:31:33,973 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 825 832) no Hoare annotation was computed. [2020-07-17 11:31:33,973 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 829) no Hoare annotation was computed. [2020-07-17 11:31:33,974 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 825 832) the Hoare annotation is: true [2020-07-17 11:31:33,974 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 825 832) no Hoare annotation was computed. [2020-07-17 11:31:33,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 11:31:33 BoogieIcfgContainer [2020-07-17 11:31:33,994 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 11:31:33,996 INFO L168 Benchmark]: Toolchain (without parser) took 101974.43 ms. Allocated memory was 143.7 MB in the beginning and 1.7 GB in the end (delta: 1.6 GB). Free memory was 100.9 MB in the beginning and 394.3 MB in the end (delta: -293.5 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. [2020-07-17 11:31:33,996 INFO L168 Benchmark]: CDTParser took 1.53 ms. Allocated memory is still 143.7 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2020-07-17 11:31:33,997 INFO L168 Benchmark]: CACSL2BoogieTranslator took 686.22 ms. Allocated memory was 143.7 MB in the beginning and 201.3 MB in the end (delta: 57.7 MB). Free memory was 100.5 MB in the beginning and 170.9 MB in the end (delta: -70.4 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. [2020-07-17 11:31:33,997 INFO L168 Benchmark]: Boogie Preprocessor took 94.25 ms. Allocated memory is still 201.3 MB. Free memory was 170.9 MB in the beginning and 166.5 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2020-07-17 11:31:33,998 INFO L168 Benchmark]: RCFGBuilder took 1075.91 ms. Allocated memory was 201.3 MB in the beginning and 231.2 MB in the end (delta: 29.9 MB). Free memory was 166.5 MB in the beginning and 197.6 MB in the end (delta: -31.1 MB). Peak memory consumption was 88.2 MB. Max. memory is 7.1 GB. [2020-07-17 11:31:33,998 INFO L168 Benchmark]: TraceAbstraction took 100111.70 ms. Allocated memory was 231.2 MB in the beginning and 1.7 GB in the end (delta: 1.5 GB). Free memory was 196.1 MB in the beginning and 394.3 MB in the end (delta: -198.2 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. [2020-07-17 11:31:34,000 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.53 ms. Allocated memory is still 143.7 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 686.22 ms. Allocated memory was 143.7 MB in the beginning and 201.3 MB in the end (delta: 57.7 MB). Free memory was 100.5 MB in the beginning and 170.9 MB in the end (delta: -70.4 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 94.25 ms. Allocated memory is still 201.3 MB. Free memory was 170.9 MB in the beginning and 166.5 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1075.91 ms. Allocated memory was 201.3 MB in the beginning and 231.2 MB in the end (delta: 29.9 MB). Free memory was 166.5 MB in the beginning and 197.6 MB in the end (delta: -31.1 MB). Peak memory consumption was 88.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 100111.70 ms. Allocated memory was 231.2 MB in the beginning and 1.7 GB in the end (delta: 1.5 GB). Free memory was 196.1 MB in the beginning and 394.3 MB in the end (delta: -198.2 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 829]: 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: 845]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(0 == \old(methAndRunningLastTime))) || !(\old(methaneLevelCritical) == 0)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel)) - InvariantResult [Line: 835]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: (((((((((((((0 == splverifierCounter && 1 <= methaneLevelCritical) && 0 == pumpRunning) && \old(methAndRunningLastTime) == methAndRunningLastTime) && 1 == systemActive) || ((((2 <= waterLevel && 0 == splverifierCounter) && 1 <= methaneLevelCritical) && 1 == systemActive) && 1 <= pumpRunning)) || ((((0 == splverifierCounter && 1 <= methaneLevelCritical) && 0 == systemActive) && 0 == pumpRunning) && \old(methAndRunningLastTime) == methAndRunningLastTime)) || !(0 == \old(pumpRunning))) || !(0 == \old(methAndRunningLastTime))) || !(\old(methaneLevelCritical) == 0)) || ((((0 == splverifierCounter && 0 == methaneLevelCritical) && 0 == systemActive) && 0 == pumpRunning) && \old(methAndRunningLastTime) == methAndRunningLastTime)) || !(1 == \old(systemActive))) || ((((0 == methaneLevelCritical && 0 == splverifierCounter) && 0 == pumpRunning) && \old(methAndRunningLastTime) == methAndRunningLastTime) && 1 == systemActive)) || !(1 == \old(waterLevel))) || ((((0 == methAndRunningLastTime && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 1 == systemActive) && 1 <= pumpRunning) - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 240 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 45.9s, OverallIterations: 13, TraceHistogramMax: 3, AutomataDifference: 33.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 54.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1973 SDtfs, 3787 SDslu, 3023 SDs, 0 SdLazy, 7482 SolverSat, 2987 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 17.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1237 GetRequests, 1029 SyntacticMatches, 6 SemanticMatches, 202 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 766 ImplicationChecksByTransitivity, 12.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3132occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.5s AutomataMinimizationTime, 13 MinimizatonAttempts, 2473 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 64 LocationsWithAnnotation, 5788 PreInvPairs, 5951 NumberOfFragments, 4356 HoareAnnotationTreeSize, 5788 FomulaSimplifications, 472991886 FormulaSimplificationTreeSizeReduction, 12.8s HoareSimplificationTime, 64 FomulaSimplificationsInter, 21010291 FormulaSimplificationTreeSizeReductionInter, 41.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 5.8s InterpolantComputationTime, 1882 NumberOfCodeBlocks, 1882 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 1865 ConstructedInterpolants, 0 QuantifiedInterpolants, 614153 SizeOfPredicates, 7 NumberOfNonLiveVariables, 3736 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 17 InterpolantComputations, 13 PerfectInterpolantSequences, 372/388 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...