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_spec3_product53.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:05:44,753 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:05:44,755 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:05:44,768 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:05:44,768 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:05:44,769 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:05:44,770 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:05:44,772 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:05:44,774 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:05:44,775 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:05:44,776 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:05:44,777 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:05:44,778 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:05:44,779 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:05:44,780 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:05:44,781 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:05:44,781 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:05:44,782 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:05:44,784 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:05:44,786 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:05:44,787 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:05:44,788 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:05:44,790 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:05:44,790 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:05:44,793 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 13:05:44,793 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 13:05:44,793 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 13:05:44,794 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 13:05:44,794 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 13:05:44,795 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 13:05:44,795 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:05:44,796 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:05:44,797 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:05:44,798 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:05:44,799 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:05:44,799 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:05:44,799 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:05:44,800 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:05:44,800 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:05:44,801 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:05:44,801 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:05:44,802 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-20 13:05:44,822 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:05:44,823 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:05:44,825 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 13:05:44,825 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 13:05:44,826 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 13:05:44,826 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:05:44,826 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:05:44,827 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 13:05:44,827 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:05:44,827 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:05:44,828 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:05:44,828 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:05:44,829 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:05:44,829 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:05:44,829 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:05:44,829 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 13:05:44,830 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:05:44,830 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:05:44,830 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:05:44,830 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 13:05:44,831 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 13:05:44,831 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:05:44,831 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:05:44,831 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:05:44,832 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 13:05:44,832 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 13:05:44,832 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:05:44,832 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 13:05:44,832 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:05:44,883 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:05:44,900 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:05:44,906 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:05:44,907 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:05:44,908 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:05:44,908 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product53.cil.c [2019-09-20 13:05:44,980 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf5265c2c/a91044c3076f40d9aa5f6ee37d4e9f0e/FLAG7f593bbd9 [2019-09-20 13:05:45,516 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:05:45,517 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product53.cil.c [2019-09-20 13:05:45,533 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf5265c2c/a91044c3076f40d9aa5f6ee37d4e9f0e/FLAG7f593bbd9 [2019-09-20 13:05:45,811 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf5265c2c/a91044c3076f40d9aa5f6ee37d4e9f0e [2019-09-20 13:05:45,822 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:05:45,823 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:05:45,825 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:05:45,825 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:05:45,830 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:05:45,831 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:05:45" (1/1) ... [2019-09-20 13:05:45,834 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2145c95a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:05:45, skipping insertion in model container [2019-09-20 13:05:45,835 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:05:45" (1/1) ... [2019-09-20 13:05:45,843 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:05:45,912 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:05:46,453 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:05:46,479 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:05:46,566 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:05:46,609 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:05:46,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:05:46 WrapperNode [2019-09-20 13:05:46,610 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:05:46,612 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:05:46,612 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:05:46,612 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:05:46,628 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:05:46" (1/1) ... [2019-09-20 13:05:46,628 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:05:46" (1/1) ... [2019-09-20 13:05:46,660 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:05:46" (1/1) ... [2019-09-20 13:05:46,660 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:05:46" (1/1) ... [2019-09-20 13:05:46,689 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:05:46" (1/1) ... [2019-09-20 13:05:46,700 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:05:46" (1/1) ... [2019-09-20 13:05:46,705 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:05:46" (1/1) ... [2019-09-20 13:05:46,713 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:05:46,713 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:05:46,714 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:05:46,714 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:05:46,715 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:05:46" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:05:46,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:05:46,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:05:46,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 13:05:46,783 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 13:05:46,783 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 13:05:46,783 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 13:05:46,783 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 13:05:46,783 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 13:05:46,783 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 13:05:46,784 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 13:05:46,784 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 13:05:46,784 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 13:05:46,784 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-20 13:05:46,784 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 13:05:46,784 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 13:05:46,785 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 13:05:46,785 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 13:05:46,785 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 13:05:46,785 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 13:05:46,785 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-20 13:05:46,785 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-20 13:05:46,786 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 13:05:46,786 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 13:05:46,786 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 13:05:46,786 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 13:05:46,786 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 13:05:46,786 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 13:05:46,787 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-20 13:05:46,787 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-20 13:05:46,787 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-09-20 13:05:46,787 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 13:05:46,787 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 13:05:46,787 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 13:05:46,788 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 13:05:46,788 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 13:05:46,788 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 13:05:46,788 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 13:05:46,788 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 13:05:46,788 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 13:05:46,789 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 13:05:46,789 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:05:46,789 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:05:46,789 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:05:46,789 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 13:05:46,789 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 13:05:46,790 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 13:05:46,790 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 13:05:46,790 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 13:05:46,790 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 13:05:46,790 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 13:05:46,790 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 13:05:46,791 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 13:05:46,791 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 13:05:46,791 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 13:05:46,791 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 13:05:46,791 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 13:05:46,791 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 13:05:46,792 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-20 13:05:46,792 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-20 13:05:46,792 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 13:05:46,792 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 13:05:46,792 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 13:05:46,792 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 13:05:46,793 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-09-20 13:05:46,793 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 13:05:46,793 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 13:05:46,795 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-20 13:05:46,795 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 13:05:46,796 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-20 13:05:46,796 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-20 13:05:46,796 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 13:05:46,796 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:05:46,796 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 13:05:46,796 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 13:05:46,797 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 13:05:46,797 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 13:05:46,797 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 13:05:46,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 13:05:46,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 13:05:46,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 13:05:46,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 13:05:46,798 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 13:05:46,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:05:46,798 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 13:05:46,798 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 13:05:46,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 13:05:46,799 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 13:05:46,799 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 13:05:46,799 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 13:05:46,799 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 13:05:46,799 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 13:05:46,799 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 13:05:46,799 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:05:46,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:05:46,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 13:05:46,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:05:47,933 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:05:47,933 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 13:05:47,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:05:47 BoogieIcfgContainer [2019-09-20 13:05:47,935 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:05:47,936 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:05:47,937 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:05:47,940 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:05:47,940 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:05:45" (1/3) ... [2019-09-20 13:05:47,941 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42969961 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:05:47, skipping insertion in model container [2019-09-20 13:05:47,941 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:05:46" (2/3) ... [2019-09-20 13:05:47,942 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42969961 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:05:47, skipping insertion in model container [2019-09-20 13:05:47,942 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:05:47" (3/3) ... [2019-09-20 13:05:47,944 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product53.cil.c [2019-09-20 13:05:47,955 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:05:47,965 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 13:05:47,982 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 13:05:48,014 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-20 13:05:48,015 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:05:48,015 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-20 13:05:48,015 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:05:48,016 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:05:48,016 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:05:48,016 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:05:48,016 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:05:48,016 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:05:48,041 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states. [2019-09-20 13:05:48,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-09-20 13:05:48,052 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:05:48,053 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:05:48,056 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:05:48,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:05:48,062 INFO L82 PathProgramCache]: Analyzing trace with hash 1930033303, now seen corresponding path program 1 times [2019-09-20 13:05:48,064 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:05:48,065 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:05:48,120 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:48,120 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:48,121 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:48,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:48,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:05:48,447 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:05:48,448 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-20 13:05:48,453 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-20 13:05:48,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-20 13:05:48,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:05:48,470 INFO L87 Difference]: Start difference. First operand 192 states. Second operand 2 states. [2019-09-20 13:05:48,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:05:48,514 INFO L93 Difference]: Finished difference Result 298 states and 371 transitions. [2019-09-20 13:05:48,514 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-20 13:05:48,515 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-09-20 13:05:48,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:05:48,529 INFO L225 Difference]: With dead ends: 298 [2019-09-20 13:05:48,529 INFO L226 Difference]: Without dead ends: 149 [2019-09-20 13:05:48,535 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:05:48,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2019-09-20 13:05:48,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2019-09-20 13:05:48,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2019-09-20 13:05:48,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 177 transitions. [2019-09-20 13:05:48,600 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 177 transitions. Word has length 52 [2019-09-20 13:05:48,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:05:48,601 INFO L475 AbstractCegarLoop]: Abstraction has 149 states and 177 transitions. [2019-09-20 13:05:48,601 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-20 13:05:48,601 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 177 transitions. [2019-09-20 13:05:48,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-09-20 13:05:48,610 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:05:48,611 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:05:48,611 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:05:48,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:05:48,612 INFO L82 PathProgramCache]: Analyzing trace with hash -1692135718, now seen corresponding path program 1 times [2019-09-20 13:05:48,612 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:05:48,612 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:05:48,618 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:48,618 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:48,618 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:48,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:48,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:05:48,760 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:05:48,760 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:05:48,762 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:05:48,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:05:48,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:05:48,764 INFO L87 Difference]: Start difference. First operand 149 states and 177 transitions. Second operand 3 states. [2019-09-20 13:05:48,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:05:48,791 INFO L93 Difference]: Finished difference Result 247 states and 293 transitions. [2019-09-20 13:05:48,792 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:05:48,792 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-09-20 13:05:48,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:05:48,795 INFO L225 Difference]: With dead ends: 247 [2019-09-20 13:05:48,795 INFO L226 Difference]: Without dead ends: 140 [2019-09-20 13:05:48,797 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:05:48,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2019-09-20 13:05:48,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2019-09-20 13:05:48,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2019-09-20 13:05:48,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 165 transitions. [2019-09-20 13:05:48,816 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 165 transitions. Word has length 53 [2019-09-20 13:05:48,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:05:48,816 INFO L475 AbstractCegarLoop]: Abstraction has 140 states and 165 transitions. [2019-09-20 13:05:48,816 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:05:48,816 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 165 transitions. [2019-09-20 13:05:48,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-09-20 13:05:48,820 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:05:48,821 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:05:48,821 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:05:48,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:05:48,821 INFO L82 PathProgramCache]: Analyzing trace with hash 1292389066, now seen corresponding path program 1 times [2019-09-20 13:05:48,822 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:05:48,822 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:05:48,824 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:48,825 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:48,825 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:48,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:49,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:05:49,015 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:05:49,015 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-20 13:05:49,016 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-20 13:05:49,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-20 13:05:49,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:05:49,017 INFO L87 Difference]: Start difference. First operand 140 states and 165 transitions. Second operand 7 states. [2019-09-20 13:05:49,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:05:49,438 INFO L93 Difference]: Finished difference Result 256 states and 307 transitions. [2019-09-20 13:05:49,439 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-20 13:05:49,439 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2019-09-20 13:05:49,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:05:49,442 INFO L225 Difference]: With dead ends: 256 [2019-09-20 13:05:49,442 INFO L226 Difference]: Without dead ends: 140 [2019-09-20 13:05:49,444 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-09-20 13:05:49,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2019-09-20 13:05:49,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2019-09-20 13:05:49,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2019-09-20 13:05:49,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 164 transitions. [2019-09-20 13:05:49,469 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 164 transitions. Word has length 57 [2019-09-20 13:05:49,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:05:49,470 INFO L475 AbstractCegarLoop]: Abstraction has 140 states and 164 transitions. [2019-09-20 13:05:49,470 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-20 13:05:49,472 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 164 transitions. [2019-09-20 13:05:49,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-09-20 13:05:49,475 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:05:49,475 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:05:49,476 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:05:49,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:05:49,479 INFO L82 PathProgramCache]: Analyzing trace with hash 875217030, now seen corresponding path program 1 times [2019-09-20 13:05:49,480 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:05:49,480 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:05:49,489 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:49,489 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:49,489 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:49,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:49,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:05:49,687 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:05:49,688 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-20 13:05:49,688 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-20 13:05:49,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-20 13:05:49,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-20 13:05:49,689 INFO L87 Difference]: Start difference. First operand 140 states and 164 transitions. Second operand 5 states. [2019-09-20 13:05:50,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:05:50,276 INFO L93 Difference]: Finished difference Result 370 states and 449 transitions. [2019-09-20 13:05:50,277 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-20 13:05:50,277 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 75 [2019-09-20 13:05:50,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:05:50,280 INFO L225 Difference]: With dead ends: 370 [2019-09-20 13:05:50,281 INFO L226 Difference]: Without dead ends: 254 [2019-09-20 13:05:50,282 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-09-20 13:05:50,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2019-09-20 13:05:50,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 236. [2019-09-20 13:05:50,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2019-09-20 13:05:50,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 269 transitions. [2019-09-20 13:05:50,312 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 269 transitions. Word has length 75 [2019-09-20 13:05:50,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:05:50,312 INFO L475 AbstractCegarLoop]: Abstraction has 236 states and 269 transitions. [2019-09-20 13:05:50,312 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-20 13:05:50,313 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 269 transitions. [2019-09-20 13:05:50,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-09-20 13:05:50,316 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:05:50,316 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:05:50,316 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:05:50,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:05:50,317 INFO L82 PathProgramCache]: Analyzing trace with hash -1332654256, now seen corresponding path program 1 times [2019-09-20 13:05:50,317 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:05:50,317 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:05:50,319 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:50,320 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:50,320 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:50,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:50,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:05:50,473 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:05:50,474 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-20 13:05:50,474 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-20 13:05:50,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-20 13:05:50,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:05:50,475 INFO L87 Difference]: Start difference. First operand 236 states and 269 transitions. Second operand 6 states. [2019-09-20 13:05:50,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:05:50,689 INFO L93 Difference]: Finished difference Result 567 states and 680 transitions. [2019-09-20 13:05:50,689 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-20 13:05:50,690 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 89 [2019-09-20 13:05:50,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:05:50,696 INFO L225 Difference]: With dead ends: 567 [2019-09-20 13:05:50,696 INFO L226 Difference]: Without dead ends: 355 [2019-09-20 13:05:50,698 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-20 13:05:50,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2019-09-20 13:05:50,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 351. [2019-09-20 13:05:50,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 351 states. [2019-09-20 13:05:50,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 406 transitions. [2019-09-20 13:05:50,758 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 406 transitions. Word has length 89 [2019-09-20 13:05:50,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:05:50,760 INFO L475 AbstractCegarLoop]: Abstraction has 351 states and 406 transitions. [2019-09-20 13:05:50,760 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-20 13:05:50,760 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 406 transitions. [2019-09-20 13:05:50,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-09-20 13:05:50,766 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:05:50,767 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:05:50,768 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:05:50,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:05:50,769 INFO L82 PathProgramCache]: Analyzing trace with hash -920967306, now seen corresponding path program 1 times [2019-09-20 13:05:50,769 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:05:50,769 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:05:50,772 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:50,773 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:50,773 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:50,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:50,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:05:50,963 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:05:50,963 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-20 13:05:50,964 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-20 13:05:50,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-20 13:05:50,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:05:50,965 INFO L87 Difference]: Start difference. First operand 351 states and 406 transitions. Second operand 6 states. [2019-09-20 13:05:51,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:05:51,221 INFO L93 Difference]: Finished difference Result 770 states and 927 transitions. [2019-09-20 13:05:51,222 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-20 13:05:51,222 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 93 [2019-09-20 13:05:51,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:05:51,227 INFO L225 Difference]: With dead ends: 770 [2019-09-20 13:05:51,227 INFO L226 Difference]: Without dead ends: 558 [2019-09-20 13:05:51,229 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-20 13:05:51,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 558 states. [2019-09-20 13:05:51,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 558 to 540. [2019-09-20 13:05:51,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 540 states. [2019-09-20 13:05:51,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 640 transitions. [2019-09-20 13:05:51,272 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 640 transitions. Word has length 93 [2019-09-20 13:05:51,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:05:51,273 INFO L475 AbstractCegarLoop]: Abstraction has 540 states and 640 transitions. [2019-09-20 13:05:51,273 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-20 13:05:51,273 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 640 transitions. [2019-09-20 13:05:51,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-09-20 13:05:51,276 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:05:51,276 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:05:51,277 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:05:51,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:05:51,278 INFO L82 PathProgramCache]: Analyzing trace with hash 1438339703, now seen corresponding path program 1 times [2019-09-20 13:05:51,278 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:05:51,278 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:05:51,282 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:51,283 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:51,283 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:51,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:51,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:05:51,367 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:05:51,367 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-20 13:05:51,368 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-20 13:05:51,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-20 13:05:51,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-20 13:05:51,369 INFO L87 Difference]: Start difference. First operand 540 states and 640 transitions. Second operand 5 states. [2019-09-20 13:05:51,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:05:51,411 INFO L93 Difference]: Finished difference Result 951 states and 1153 transitions. [2019-09-20 13:05:51,411 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-20 13:05:51,412 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 93 [2019-09-20 13:05:51,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:05:51,417 INFO L225 Difference]: With dead ends: 951 [2019-09-20 13:05:51,418 INFO L226 Difference]: Without dead ends: 550 [2019-09-20 13:05:51,419 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-20 13:05:51,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 550 states. [2019-09-20 13:05:51,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 550 to 544. [2019-09-20 13:05:51,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 544 states. [2019-09-20 13:05:51,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 544 states and 643 transitions. [2019-09-20 13:05:51,471 INFO L78 Accepts]: Start accepts. Automaton has 544 states and 643 transitions. Word has length 93 [2019-09-20 13:05:51,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:05:51,472 INFO L475 AbstractCegarLoop]: Abstraction has 544 states and 643 transitions. [2019-09-20 13:05:51,472 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-20 13:05:51,472 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 643 transitions. [2019-09-20 13:05:51,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-09-20 13:05:51,476 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:05:51,477 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:05:51,477 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:05:51,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:05:51,477 INFO L82 PathProgramCache]: Analyzing trace with hash 2097871225, now seen corresponding path program 1 times [2019-09-20 13:05:51,477 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:05:51,478 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:05:51,480 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:51,480 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:51,480 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:51,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:51,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:05:51,592 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:05:51,592 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-20 13:05:51,593 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-20 13:05:51,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-20 13:05:51,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-09-20 13:05:51,594 INFO L87 Difference]: Start difference. First operand 544 states and 643 transitions. Second operand 9 states. [2019-09-20 13:05:51,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:05:51,669 INFO L93 Difference]: Finished difference Result 1068 states and 1290 transitions. [2019-09-20 13:05:51,670 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-20 13:05:51,670 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 93 [2019-09-20 13:05:51,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:05:51,674 INFO L225 Difference]: With dead ends: 1068 [2019-09-20 13:05:51,674 INFO L226 Difference]: Without dead ends: 548 [2019-09-20 13:05:51,676 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-09-20 13:05:51,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2019-09-20 13:05:51,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 542. [2019-09-20 13:05:51,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 542 states. [2019-09-20 13:05:51,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 639 transitions. [2019-09-20 13:05:51,709 INFO L78 Accepts]: Start accepts. Automaton has 542 states and 639 transitions. Word has length 93 [2019-09-20 13:05:51,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:05:51,710 INFO L475 AbstractCegarLoop]: Abstraction has 542 states and 639 transitions. [2019-09-20 13:05:51,710 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-20 13:05:51,710 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 639 transitions. [2019-09-20 13:05:51,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-09-20 13:05:51,712 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:05:51,712 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:05:51,713 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:05:51,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:05:51,713 INFO L82 PathProgramCache]: Analyzing trace with hash 791892564, now seen corresponding path program 1 times [2019-09-20 13:05:51,713 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:05:51,713 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:05:51,716 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:51,716 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:51,716 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:51,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:51,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:05:51,855 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:05:51,855 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-09-20 13:05:51,855 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-09-20 13:05:51,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-09-20 13:05:51,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-09-20 13:05:51,856 INFO L87 Difference]: Start difference. First operand 542 states and 639 transitions. Second operand 10 states. [2019-09-20 13:05:52,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:05:52,165 INFO L93 Difference]: Finished difference Result 1066 states and 1260 transitions. [2019-09-20 13:05:52,165 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-09-20 13:05:52,165 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 94 [2019-09-20 13:05:52,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:05:52,169 INFO L225 Difference]: With dead ends: 1066 [2019-09-20 13:05:52,170 INFO L226 Difference]: Without dead ends: 548 [2019-09-20 13:05:52,172 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2019-09-20 13:05:52,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2019-09-20 13:05:52,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 531. [2019-09-20 13:05:52,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 531 states. [2019-09-20 13:05:52,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 531 states and 608 transitions. [2019-09-20 13:05:52,202 INFO L78 Accepts]: Start accepts. Automaton has 531 states and 608 transitions. Word has length 94 [2019-09-20 13:05:52,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:05:52,202 INFO L475 AbstractCegarLoop]: Abstraction has 531 states and 608 transitions. [2019-09-20 13:05:52,202 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-09-20 13:05:52,203 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 608 transitions. [2019-09-20 13:05:52,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2019-09-20 13:05:52,206 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:05:52,206 INFO L407 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:05:52,207 INFO L418 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:05:52,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:05:52,207 INFO L82 PathProgramCache]: Analyzing trace with hash 1969237444, now seen corresponding path program 1 times [2019-09-20 13:05:52,207 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:05:52,207 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:05:52,209 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:52,210 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:52,210 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:52,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:52,287 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-09-20 13:05:52,287 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:05:52,288 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-20 13:05:52,361 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:52,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:52,496 INFO L256 TraceCheckSpWp]: Trace formula consists of 852 conjuncts, 13 conjunts are in the unsatisfiable core [2019-09-20 13:05:52,513 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:05:52,683 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (2)] Exception during sending of exit command (exit): Broken pipe [2019-09-20 13:05:52,689 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:05:52,690 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [6] total 12 [2019-09-20 13:05:52,691 INFO L454 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-09-20 13:05:52,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-09-20 13:05:52,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2019-09-20 13:05:52,692 INFO L87 Difference]: Start difference. First operand 531 states and 608 transitions. Second operand 12 states. [2019-09-20 13:05:55,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:05:55,502 INFO L93 Difference]: Finished difference Result 1455 states and 1801 transitions. [2019-09-20 13:05:55,502 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-09-20 13:05:55,502 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 141 [2019-09-20 13:05:55,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:05:55,510 INFO L225 Difference]: With dead ends: 1455 [2019-09-20 13:05:55,510 INFO L226 Difference]: Without dead ends: 1021 [2019-09-20 13:05:55,514 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=128, Invalid=472, Unknown=0, NotChecked=0, Total=600 [2019-09-20 13:05:55,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1021 states. [2019-09-20 13:05:55,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1021 to 937. [2019-09-20 13:05:55,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 937 states. [2019-09-20 13:05:55,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 937 states to 937 states and 1096 transitions. [2019-09-20 13:05:55,596 INFO L78 Accepts]: Start accepts. Automaton has 937 states and 1096 transitions. Word has length 141 [2019-09-20 13:05:55,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:05:55,597 INFO L475 AbstractCegarLoop]: Abstraction has 937 states and 1096 transitions. [2019-09-20 13:05:55,597 INFO L476 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-09-20 13:05:55,597 INFO L276 IsEmpty]: Start isEmpty. Operand 937 states and 1096 transitions. [2019-09-20 13:05:55,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2019-09-20 13:05:55,600 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:05:55,600 INFO L407 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:05:55,600 INFO L418 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:05:55,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:05:55,601 INFO L82 PathProgramCache]: Analyzing trace with hash 1515345056, now seen corresponding path program 1 times [2019-09-20 13:05:55,601 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:05:55,601 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:05:55,605 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:55,605 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:55,605 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:55,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:55,722 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-09-20 13:05:55,722 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:05:55,722 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-20 13:05:55,794 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:55,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:55,919 INFO L256 TraceCheckSpWp]: Trace formula consists of 844 conjuncts, 5 conjunts are in the unsatisfiable core [2019-09-20 13:05:55,933 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:05:55,989 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-09-20 13:05:56,002 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:05:56,003 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2019-09-20 13:05:56,005 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-09-20 13:05:56,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-09-20 13:05:56,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2019-09-20 13:05:56,006 INFO L87 Difference]: Start difference. First operand 937 states and 1096 transitions. Second operand 11 states. [2019-09-20 13:05:56,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:05:56,080 INFO L93 Difference]: Finished difference Result 1666 states and 1975 transitions. [2019-09-20 13:05:56,080 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-20 13:05:56,081 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 137 [2019-09-20 13:05:56,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:05:56,086 INFO L225 Difference]: With dead ends: 1666 [2019-09-20 13:05:56,087 INFO L226 Difference]: Without dead ends: 819 [2019-09-20 13:05:56,090 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2019-09-20 13:05:56,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 819 states. [2019-09-20 13:05:56,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 819 to 819. [2019-09-20 13:05:56,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 819 states. [2019-09-20 13:05:56,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 819 states to 819 states and 953 transitions. [2019-09-20 13:05:56,138 INFO L78 Accepts]: Start accepts. Automaton has 819 states and 953 transitions. Word has length 137 [2019-09-20 13:05:56,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:05:56,139 INFO L475 AbstractCegarLoop]: Abstraction has 819 states and 953 transitions. [2019-09-20 13:05:56,139 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-09-20 13:05:56,139 INFO L276 IsEmpty]: Start isEmpty. Operand 819 states and 953 transitions. [2019-09-20 13:05:56,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2019-09-20 13:05:56,142 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:05:56,142 INFO L407 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:05:56,142 INFO L418 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:05:56,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:05:56,143 INFO L82 PathProgramCache]: Analyzing trace with hash -834613817, now seen corresponding path program 1 times [2019-09-20 13:05:56,143 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:05:56,143 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:05:56,145 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:56,145 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:56,145 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:05:56,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:56,242 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-09-20 13:05:56,243 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:05:56,243 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-20 13:05:56,314 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:05:56,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:05:56,441 INFO L256 TraceCheckSpWp]: Trace formula consists of 853 conjuncts, 22 conjunts are in the unsatisfiable core [2019-09-20 13:05:56,446 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:05:56,640 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 8 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (4)] Exception during sending of exit command (exit): Broken pipe [2019-09-20 13:05:56,645 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-20 13:05:56,645 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10] total 15 [2019-09-20 13:05:56,646 INFO L454 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-09-20 13:05:56,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-09-20 13:05:56,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2019-09-20 13:05:56,647 INFO L87 Difference]: Start difference. First operand 819 states and 953 transitions. Second operand 15 states. [2019-09-20 13:06:00,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:00,158 INFO L93 Difference]: Finished difference Result 2849 states and 3934 transitions. [2019-09-20 13:06:00,159 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2019-09-20 13:06:00,159 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 141 [2019-09-20 13:06:00,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:00,161 INFO L225 Difference]: With dead ends: 2849 [2019-09-20 13:06:00,161 INFO L226 Difference]: Without dead ends: 0 [2019-09-20 13:06:00,172 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 443 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=349, Invalid=1543, Unknown=0, NotChecked=0, Total=1892 [2019-09-20 13:06:00,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-20 13:06:00,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-20 13:06:00,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-20 13:06:00,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-20 13:06:00,173 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 141 [2019-09-20 13:06:00,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:00,173 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-20 13:06:00,174 INFO L476 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-09-20 13:06:00,174 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-20 13:06:00,174 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-20 13:06:00,179 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-09-20 13:06:00,654 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 55 [2019-09-20 13:06:01,420 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 61 [2019-09-20 13:06:01,848 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 61 [2019-09-20 13:06:02,255 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 22 [2019-09-20 13:06:02,467 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 25 [2019-09-20 13:06:02,700 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 27 [2019-09-20 13:06:02,964 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 22 [2019-09-20 13:06:03,149 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 21 [2019-09-20 13:06:03,325 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 21 [2019-09-20 13:06:03,466 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 21 [2019-09-20 13:06:03,683 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 21 [2019-09-20 13:06:03,875 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 21 [2019-09-20 13:06:04,020 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 26 [2019-09-20 13:06:04,435 WARN L191 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 34 [2019-09-20 13:06:04,753 WARN L191 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 26 [2019-09-20 13:06:05,727 WARN L191 SmtUtils]: Spent 880.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 43 [2019-09-20 13:06:06,022 WARN L191 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 28 [2019-09-20 13:06:06,189 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 25 [2019-09-20 13:06:06,390 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 25 [2019-09-20 13:06:06,640 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 22 [2019-09-20 13:06:06,797 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 25 [2019-09-20 13:06:06,983 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 21 [2019-09-20 13:06:07,146 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 21 [2019-09-20 13:06:07,488 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 21 [2019-09-20 13:06:07,762 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 21 [2019-09-20 13:06:07,956 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 28 [2019-09-20 13:06:08,152 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 26 [2019-09-20 13:06:08,309 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 21 [2019-09-20 13:06:08,566 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 25 [2019-09-20 13:06:08,723 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 21 [2019-09-20 13:06:09,567 WARN L191 SmtUtils]: Spent 837.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 43 [2019-09-20 13:06:09,750 INFO L443 ceAbstractionStarter]: For program point L610-1(lines 610 614) no Hoare annotation was computed. [2019-09-20 13:06:09,751 INFO L443 ceAbstractionStarter]: For program point L605(line 605) no Hoare annotation was computed. [2019-09-20 13:06:09,751 INFO L443 ceAbstractionStarter]: For program point L604-2(lines 604 625) no Hoare annotation was computed. [2019-09-20 13:06:09,751 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 579 634) no Hoare annotation was computed. [2019-09-20 13:06:09,751 INFO L443 ceAbstractionStarter]: For program point L626(lines 603 627) no Hoare annotation was computed. [2019-09-20 13:06:09,751 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 579 634) no Hoare annotation was computed. [2019-09-20 13:06:09,751 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 579 634) no Hoare annotation was computed. [2019-09-20 13:06:09,751 INFO L443 ceAbstractionStarter]: For program point L610(lines 610 614) no Hoare annotation was computed. [2019-09-20 13:06:09,751 INFO L443 ceAbstractionStarter]: For program point L667(lines 667 671) no Hoare annotation was computed. [2019-09-20 13:06:09,751 INFO L443 ceAbstractionStarter]: For program point L667-1(lines 667 671) no Hoare annotation was computed. [2019-09-20 13:06:09,751 INFO L443 ceAbstractionStarter]: For program point L662(line 662) no Hoare annotation was computed. [2019-09-20 13:06:09,752 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 635 694) no Hoare annotation was computed. [2019-09-20 13:06:09,752 INFO L443 ceAbstractionStarter]: For program point L661-2(lines 661 686) no Hoare annotation was computed. [2019-09-20 13:06:09,752 INFO L443 ceAbstractionStarter]: For program point L687(lines 660 688) no Hoare annotation was computed. [2019-09-20 13:06:09,752 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 635 694) no Hoare annotation was computed. [2019-09-20 13:06:09,752 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 635 694) no Hoare annotation was computed. [2019-09-20 13:06:09,752 INFO L443 ceAbstractionStarter]: For program point L680(line 680) no Hoare annotation was computed. [2019-09-20 13:06:09,752 INFO L443 ceAbstractionStarter]: For program point L680-1(line 680) no Hoare annotation was computed. [2019-09-20 13:06:09,752 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 70 76) the Hoare annotation is: true [2019-09-20 13:06:09,752 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 70 76) no Hoare annotation was computed. [2019-09-20 13:06:09,752 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 77 85) no Hoare annotation was computed. [2019-09-20 13:06:09,752 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 77 85) the Hoare annotation is: true [2019-09-20 13:06:09,753 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 77 85) no Hoare annotation was computed. [2019-09-20 13:06:09,753 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 965 987) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:06:09,753 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 965 987) no Hoare annotation was computed. [2019-09-20 13:06:09,753 INFO L439 ceAbstractionStarter]: At program point L977(line 977) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (= main_~tmp~10 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:06:09,753 INFO L439 ceAbstractionStarter]: At program point L977-1(line 977) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (= main_~tmp~10 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:06:09,753 INFO L443 ceAbstractionStarter]: For program point L975(lines 975 982) no Hoare annotation was computed. [2019-09-20 13:06:09,753 INFO L443 ceAbstractionStarter]: For program point L975-1(lines 975 982) no Hoare annotation was computed. [2019-09-20 13:06:09,753 INFO L443 ceAbstractionStarter]: For program point L973(line 973) no Hoare annotation was computed. [2019-09-20 13:06:09,754 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 965 987) no Hoare annotation was computed. [2019-09-20 13:06:09,754 INFO L439 ceAbstractionStarter]: At program point L972(line 972) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:06:09,754 INFO L439 ceAbstractionStarter]: At program point L971(line 971) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:06:09,754 INFO L439 ceAbstractionStarter]: At program point L971-1(line 971) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:06:09,754 INFO L443 ceAbstractionStarter]: For program point L929(line 929) no Hoare annotation was computed. [2019-09-20 13:06:09,754 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 924 947) no Hoare annotation was computed. [2019-09-20 13:06:09,754 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 924 947) no Hoare annotation was computed. [2019-09-20 13:06:09,755 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 924 947) no Hoare annotation was computed. [2019-09-20 13:06:09,755 INFO L443 ceAbstractionStarter]: For program point L942(line 942) no Hoare annotation was computed. [2019-09-20 13:06:09,755 INFO L443 ceAbstractionStarter]: For program point L941(line 941) no Hoare annotation was computed. [2019-09-20 13:06:09,755 INFO L443 ceAbstractionStarter]: For program point L940(line 940) no Hoare annotation was computed. [2019-09-20 13:06:09,755 INFO L443 ceAbstractionStarter]: For program point L939(line 939) no Hoare annotation was computed. [2019-09-20 13:06:09,755 INFO L443 ceAbstractionStarter]: For program point L938(line 938) no Hoare annotation was computed. [2019-09-20 13:06:09,755 INFO L443 ceAbstractionStarter]: For program point L937(line 937) no Hoare annotation was computed. [2019-09-20 13:06:09,756 INFO L443 ceAbstractionStarter]: For program point L936(line 936) no Hoare annotation was computed. [2019-09-20 13:06:09,756 INFO L443 ceAbstractionStarter]: For program point L935(line 935) no Hoare annotation was computed. [2019-09-20 13:06:09,756 INFO L443 ceAbstractionStarter]: For program point L934(line 934) no Hoare annotation was computed. [2019-09-20 13:06:09,756 INFO L443 ceAbstractionStarter]: For program point L933(line 933) no Hoare annotation was computed. [2019-09-20 13:06:09,756 INFO L443 ceAbstractionStarter]: For program point L932(line 932) no Hoare annotation was computed. [2019-09-20 13:06:09,756 INFO L443 ceAbstractionStarter]: For program point L931(line 931) no Hoare annotation was computed. [2019-09-20 13:06:09,756 INFO L443 ceAbstractionStarter]: For program point L930(line 930) no Hoare annotation was computed. [2019-09-20 13:06:09,756 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 305 313) no Hoare annotation was computed. [2019-09-20 13:06:09,757 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 305 313) the Hoare annotation is: true [2019-09-20 13:06:09,757 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 305 313) no Hoare annotation was computed. [2019-09-20 13:06:09,757 INFO L443 ceAbstractionStarter]: For program point L378(lines 378 382) no Hoare annotation was computed. [2019-09-20 13:06:09,757 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 369 387) the Hoare annotation is: true [2019-09-20 13:06:09,757 INFO L446 ceAbstractionStarter]: At program point L376(line 376) the Hoare annotation is: true [2019-09-20 13:06:09,757 INFO L443 ceAbstractionStarter]: For program point L378-2(lines 378 382) no Hoare annotation was computed. [2019-09-20 13:06:09,757 INFO L443 ceAbstractionStarter]: For program point L376-1(line 376) no Hoare annotation was computed. [2019-09-20 13:06:09,757 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 369 387) no Hoare annotation was computed. [2019-09-20 13:06:09,758 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 369 387) no Hoare annotation was computed. [2019-09-20 13:06:09,758 INFO L443 ceAbstractionStarter]: For program point L321(lines 321 329) no Hoare annotation was computed. [2019-09-20 13:06:09,758 INFO L443 ceAbstractionStarter]: For program point L321-2(lines 321 329) no Hoare annotation was computed. [2019-09-20 13:06:09,758 INFO L443 ceAbstractionStarter]: For program point L344(line 344) no Hoare annotation was computed. [2019-09-20 13:06:09,758 INFO L443 ceAbstractionStarter]: For program point L344-1(line 344) no Hoare annotation was computed. [2019-09-20 13:06:09,758 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 314 349) no Hoare annotation was computed. [2019-09-20 13:06:09,758 INFO L443 ceAbstractionStarter]: For program point L333(lines 333 341) no Hoare annotation was computed. [2019-09-20 13:06:09,758 INFO L443 ceAbstractionStarter]: For program point L333-2(lines 333 341) no Hoare annotation was computed. [2019-09-20 13:06:09,759 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 314 349) no Hoare annotation was computed. [2019-09-20 13:06:09,759 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 314 349) no Hoare annotation was computed. [2019-09-20 13:06:09,759 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 63 69) no Hoare annotation was computed. [2019-09-20 13:06:09,759 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 63 69) the Hoare annotation is: true [2019-09-20 13:06:09,759 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 533 578) no Hoare annotation was computed. [2019-09-20 13:06:09,759 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 533 578) no Hoare annotation was computed. [2019-09-20 13:06:09,759 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 533 578) no Hoare annotation was computed. [2019-09-20 13:06:09,759 INFO L443 ceAbstractionStarter]: For program point L860(lines 860 880) no Hoare annotation was computed. [2019-09-20 13:06:09,759 INFO L443 ceAbstractionStarter]: For program point L860-1(lines 860 880) no Hoare annotation was computed. [2019-09-20 13:06:09,760 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 846 891) no Hoare annotation was computed. [2019-09-20 13:06:09,760 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 846 891) no Hoare annotation was computed. [2019-09-20 13:06:09,760 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 846 891) no Hoare annotation was computed. [2019-09-20 13:06:09,760 INFO L443 ceAbstractionStarter]: For program point L866(lines 866 873) no Hoare annotation was computed. [2019-09-20 13:06:09,760 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 955 964) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:06:09,760 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 955 964) no Hoare annotation was computed. [2019-09-20 13:06:09,760 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 955 964) no Hoare annotation was computed. [2019-09-20 13:06:09,761 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 294 304) the Hoare annotation is: true [2019-09-20 13:06:09,761 INFO L446 ceAbstractionStarter]: At program point L299(line 299) the Hoare annotation is: true [2019-09-20 13:06:09,761 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 294 304) no Hoare annotation was computed. [2019-09-20 13:06:09,761 INFO L443 ceAbstractionStarter]: For program point L299-1(line 299) no Hoare annotation was computed. [2019-09-20 13:06:09,761 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 294 304) no Hoare annotation was computed. [2019-09-20 13:06:09,761 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 286 293) the Hoare annotation is: (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (= ~pumpRunning~0 1)) [2019-09-20 13:06:09,761 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 286 293) no Hoare annotation was computed. [2019-09-20 13:06:09,761 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 286 293) no Hoare annotation was computed. [2019-09-20 13:06:09,762 INFO L443 ceAbstractionStarter]: For program point L473(lines 473 479) no Hoare annotation was computed. [2019-09-20 13:06:09,762 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 469 482) no Hoare annotation was computed. [2019-09-20 13:06:09,762 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 469 482) the Hoare annotation is: true [2019-09-20 13:06:09,762 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 469 482) no Hoare annotation was computed. [2019-09-20 13:06:09,762 INFO L443 ceAbstractionStarter]: For program point L257(lines 257 274) no Hoare annotation was computed. [2019-09-20 13:06:09,762 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 253 277) no Hoare annotation was computed. [2019-09-20 13:06:09,762 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 253 277) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 2)) (= ~pumpRunning~0 0) .cse0))) [2019-09-20 13:06:09,763 INFO L439 ceAbstractionStarter]: At program point L272(line 272) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 2)) (= ~pumpRunning~0 0) .cse0) (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2019-09-20 13:06:09,763 INFO L443 ceAbstractionStarter]: For program point L272-1(lines 253 277) no Hoare annotation was computed. [2019-09-20 13:06:09,763 INFO L439 ceAbstractionStarter]: At program point L267(line 267) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 2)) .cse0))) [2019-09-20 13:06:09,763 INFO L439 ceAbstractionStarter]: At program point L263(line 263) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 2)) .cse0))) [2019-09-20 13:06:09,763 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 269) no Hoare annotation was computed. [2019-09-20 13:06:09,763 INFO L439 ceAbstractionStarter]: At program point L259(line 259) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 2)) .cse0))) [2019-09-20 13:06:09,763 INFO L443 ceAbstractionStarter]: For program point L259-1(line 259) no Hoare annotation was computed. [2019-09-20 13:06:09,764 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 193 199) no Hoare annotation was computed. [2019-09-20 13:06:09,764 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 193 199) the Hoare annotation is: true [2019-09-20 13:06:09,764 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 91 154) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:06:09,764 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 91 154) no Hoare annotation was computed. [2019-09-20 13:06:09,764 INFO L439 ceAbstractionStarter]: At program point L147(lines 100 148) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:06:09,764 INFO L443 ceAbstractionStarter]: For program point L137(lines 137 141) no Hoare annotation was computed. [2019-09-20 13:06:09,764 INFO L439 ceAbstractionStarter]: At program point L137-2(lines 131 142) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (<= ~waterLevel~0 2))) (or (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (= ~pumpRunning~0 0)) (and .cse0 .cse1 (= ~pumpRunning~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-09-20 13:06:09,765 INFO L443 ceAbstractionStarter]: For program point L102(lines 101 146) no Hoare annotation was computed. [2019-09-20 13:06:09,765 INFO L443 ceAbstractionStarter]: For program point L131(lines 131 142) no Hoare annotation was computed. [2019-09-20 13:06:09,765 INFO L439 ceAbstractionStarter]: At program point L123(line 123) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (<= ~waterLevel~0 2))) (or (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (= ~pumpRunning~0 0)) (and .cse0 .cse1 (= ~pumpRunning~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-09-20 13:06:09,765 INFO L443 ceAbstractionStarter]: For program point L121(lines 121 127) no Hoare annotation was computed. [2019-09-20 13:06:09,765 INFO L443 ceAbstractionStarter]: For program point L121-1(lines 121 127) no Hoare annotation was computed. [2019-09-20 13:06:09,765 INFO L439 ceAbstractionStarter]: At program point L113(line 113) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= ~systemActive~0 1)) (and .cse0 (<= ~waterLevel~0 2) (= ~pumpRunning~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 0) (< ~waterLevel~0 2)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-09-20 13:06:09,765 INFO L439 ceAbstractionStarter]: At program point L144(lines 101 146) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (and .cse0 (= ~pumpRunning~0 0) (< ~waterLevel~0 2)) (not (= ~systemActive~0 1)) (and .cse0 (<= ~waterLevel~0 2) (= ~pumpRunning~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-09-20 13:06:09,766 INFO L443 ceAbstractionStarter]: For program point L111(lines 111 117) no Hoare annotation was computed. [2019-09-20 13:06:09,766 INFO L443 ceAbstractionStarter]: For program point L111-1(lines 111 117) no Hoare annotation was computed. [2019-09-20 13:06:09,766 INFO L443 ceAbstractionStarter]: For program point L103(lines 103 107) no Hoare annotation was computed. [2019-09-20 13:06:09,766 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 91 154) no Hoare annotation was computed. [2019-09-20 13:06:09,766 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 800 845) no Hoare annotation was computed. [2019-09-20 13:06:09,766 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 800 845) no Hoare annotation was computed. [2019-09-20 13:06:09,766 INFO L443 ceAbstractionStarter]: For program point L820(lines 820 827) no Hoare annotation was computed. [2019-09-20 13:06:09,766 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 800 845) no Hoare annotation was computed. [2019-09-20 13:06:09,767 INFO L443 ceAbstractionStarter]: For program point L814(lines 814 834) no Hoare annotation was computed. [2019-09-20 13:06:09,767 INFO L443 ceAbstractionStarter]: For program point L814-1(lines 814 834) no Hoare annotation was computed. [2019-09-20 13:06:09,767 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 483 491) no Hoare annotation was computed. [2019-09-20 13:06:09,767 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 483 491) the Hoare annotation is: true [2019-09-20 13:06:09,767 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 483 491) no Hoare annotation was computed. [2019-09-20 13:06:09,767 INFO L443 ceAbstractionStarter]: For program point L445(lines 445 453) no Hoare annotation was computed. [2019-09-20 13:06:09,767 INFO L443 ceAbstractionStarter]: For program point L445-2(lines 445 453) no Hoare annotation was computed. [2019-09-20 13:06:09,767 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 437 459) no Hoare annotation was computed. [2019-09-20 13:06:09,768 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 437 459) no Hoare annotation was computed. [2019-09-20 13:06:09,768 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 437 459) no Hoare annotation was computed. [2019-09-20 13:06:09,768 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 53 62) no Hoare annotation was computed. [2019-09-20 13:06:09,768 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 53 62) no Hoare annotation was computed. [2019-09-20 13:06:09,768 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 53 62) no Hoare annotation was computed. [2019-09-20 13:06:09,768 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 697 799) no Hoare annotation was computed. [2019-09-20 13:06:09,768 INFO L443 ceAbstractionStarter]: For program point L762(line 762) no Hoare annotation was computed. [2019-09-20 13:06:09,768 INFO L443 ceAbstractionStarter]: For program point L762-1(line 762) no Hoare annotation was computed. [2019-09-20 13:06:09,768 INFO L443 ceAbstractionStarter]: For program point L721(lines 721 725) no Hoare annotation was computed. [2019-09-20 13:06:09,769 INFO L443 ceAbstractionStarter]: For program point L785(lines 785 796) no Hoare annotation was computed. [2019-09-20 13:06:09,769 INFO L443 ceAbstractionStarter]: For program point L748(lines 748 752) no Hoare annotation was computed. [2019-09-20 13:06:09,769 INFO L443 ceAbstractionStarter]: For program point L746-2(lines 746 766) no Hoare annotation was computed. [2019-09-20 13:06:09,769 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 697 799) no Hoare annotation was computed. [2019-09-20 13:06:09,769 INFO L443 ceAbstractionStarter]: For program point L767(lines 745 768) no Hoare annotation was computed. [2019-09-20 13:06:09,769 INFO L443 ceAbstractionStarter]: For program point L726(lines 726 742) no Hoare annotation was computed. [2019-09-20 13:06:09,769 INFO L443 ceAbstractionStarter]: For program point L786(lines 786 793) no Hoare annotation was computed. [2019-09-20 13:06:09,769 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 697 799) no Hoare annotation was computed. [2019-09-20 13:06:09,769 INFO L443 ceAbstractionStarter]: For program point L747(lines 746 766) no Hoare annotation was computed. [2019-09-20 13:06:09,770 INFO L443 ceAbstractionStarter]: For program point L778(line 778) no Hoare annotation was computed. [2019-09-20 13:06:09,770 INFO L443 ceAbstractionStarter]: For program point L778-1(line 778) no Hoare annotation was computed. [2019-09-20 13:06:09,770 INFO L443 ceAbstractionStarter]: For program point L743(lines 743 784) no Hoare annotation was computed. [2019-09-20 13:06:09,770 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:06:09,770 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0)) [2019-09-20 13:06:09,770 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:06:09,770 INFO L443 ceAbstractionStarter]: For program point activatePumpFINAL(lines 278 285) no Hoare annotation was computed. [2019-09-20 13:06:09,770 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 278 285) no Hoare annotation was computed. [2019-09-20 13:06:09,771 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 278 285) the Hoare annotation is: (or (= ~pumpRunning~0 0) (not (= 0 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 2)) (not (<= 2 ~waterLevel~0)) (not (= ~systemActive~0 1))) [2019-09-20 13:06:09,771 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 350 368) no Hoare annotation was computed. [2019-09-20 13:06:09,771 INFO L443 ceAbstractionStarter]: For program point L359(lines 359 363) no Hoare annotation was computed. [2019-09-20 13:06:09,771 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 350 368) the Hoare annotation is: true [2019-09-20 13:06:09,771 INFO L446 ceAbstractionStarter]: At program point L357(line 357) the Hoare annotation is: true [2019-09-20 13:06:09,771 INFO L443 ceAbstractionStarter]: For program point L359-2(lines 359 363) no Hoare annotation was computed. [2019-09-20 13:06:09,771 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 350 368) no Hoare annotation was computed. [2019-09-20 13:06:09,771 INFO L443 ceAbstractionStarter]: For program point L357-1(line 357) no Hoare annotation was computed. [2019-09-20 13:06:09,772 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 460 468) the Hoare annotation is: true [2019-09-20 13:06:09,772 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 460 468) no Hoare annotation was computed. [2019-09-20 13:06:09,772 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 460 468) no Hoare annotation was computed. [2019-09-20 13:06:09,772 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 416 427) the Hoare annotation is: (let ((.cse5 (= |old(~methaneLevelCritical~0)| 0)) (.cse3 (not (= ~systemActive~0 1))) (.cse2 (= 0 ~methaneLevelCritical~0))) (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse6 (not .cse2)) (.cse7 (or (not (= 1 ~pumpRunning~0)) .cse3)) (.cse1 (not (<= ~waterLevel~0 2))) (.cse4 (not .cse5))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse1 .cse3) (or .cse7 .cse5 .cse1 .cse6) (or .cse7 .cse2 .cse1 .cse4)))) [2019-09-20 13:06:09,772 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 416 427) no Hoare annotation was computed. [2019-09-20 13:06:09,772 INFO L443 ceAbstractionStarter]: For program point L420-1(lines 416 427) no Hoare annotation was computed. [2019-09-20 13:06:09,772 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:06:09,773 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-09-20 13:06:09,773 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:06:09,773 INFO L439 ceAbstractionStarter]: At program point L182(line 182) the Hoare annotation is: (let ((.cse4 (not (= ~systemActive~0 1)))) (let ((.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (or (not (= 1 |old(~pumpRunning~0)|)) .cse4))) (and (or .cse0 .cse1 (and .cse2 (= ~pumpRunning~0 1) (< ~waterLevel~0 2))) (or .cse3 .cse1 (and (<= ~waterLevel~0 2) (= ~pumpRunning~0 0) (<= |old(~waterLevel~0)| ~waterLevel~0)) .cse4) (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|)) (<= 1 ~waterLevel~0)) (or (or (not (< |old(~waterLevel~0)| 2)) .cse3 .cse4) .cse2) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 (not (<= 1 |old(~waterLevel~0)|)) (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|))))) [2019-09-20 13:06:09,773 INFO L439 ceAbstractionStarter]: At program point L180(lines 180 186) the Hoare annotation is: (let ((.cse6 (not (= ~systemActive~0 1)))) (let ((.cse3 (= ~pumpRunning~0 1)) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (or (not (= 1 |old(~pumpRunning~0)|)) .cse6))) (and (let ((.cse0 (<= ~waterLevel~0 1))) (or (and .cse0 .cse1) .cse2 (and .cse0 .cse3) .cse4)) (or .cse2 .cse4 .cse5) (or .cse2 .cse4 (not (<= 2 |old(~waterLevel~0)|)) (<= 1 ~waterLevel~0)) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 (<= 2 ~waterLevel~0) .cse3) .cse4 .cse6 (and .cse5 .cse1 (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0))) (or (not (<= |old(~waterLevel~0)| 1)) .cse2 (not (<= 1 |old(~waterLevel~0)|)) (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|))))) [2019-09-20 13:06:09,773 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 169 192) the Hoare annotation is: (let ((.cse5 (not (= ~systemActive~0 1)))) (let ((.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (or (not (= 1 |old(~pumpRunning~0)|)) .cse5)) (.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or .cse0 (and .cse1 (= ~pumpRunning~0 1) .cse2) .cse3) (or .cse4 .cse3 (and .cse1 (= ~pumpRunning~0 0) .cse2) .cse5) (or (or (not (< |old(~waterLevel~0)| 2)) .cse4 .cse5) .cse6) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse6)))) [2019-09-20 13:06:09,774 INFO L439 ceAbstractionStarter]: At program point L175(line 175) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1)))) (let ((.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (or (not (= 1 |old(~pumpRunning~0)|)) .cse1))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse2 .cse0 (and (<= ~waterLevel~0 2) (= ~pumpRunning~0 1) (<= |old(~waterLevel~0)| ~waterLevel~0))) (or (<= ~waterLevel~0 |old(~waterLevel~0)|) (not (<= |old(~waterLevel~0)| 1)) .cse2)))) [2019-09-20 13:06:09,774 INFO L443 ceAbstractionStarter]: For program point L173(lines 172 191) no Hoare annotation was computed. [2019-09-20 13:06:09,774 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 169 192) no Hoare annotation was computed. [2019-09-20 13:06:09,774 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 169 192) no Hoare annotation was computed. [2019-09-20 13:06:09,774 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 894 923) no Hoare annotation was computed. [2019-09-20 13:06:09,774 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 894 923) the Hoare annotation is: true [2019-09-20 13:06:09,774 INFO L446 ceAbstractionStarter]: At program point L919(lines 894 923) the Hoare annotation is: true [2019-09-20 13:06:09,774 INFO L443 ceAbstractionStarter]: For program point L915(line 915) no Hoare annotation was computed. [2019-09-20 13:06:09,775 INFO L443 ceAbstractionStarter]: For program point L908(lines 908 912) no Hoare annotation was computed. [2019-09-20 13:06:09,775 INFO L446 ceAbstractionStarter]: At program point L908-1(lines 908 912) the Hoare annotation is: true [2019-09-20 13:06:09,775 INFO L443 ceAbstractionStarter]: For program point L905(line 905) no Hoare annotation was computed. [2019-09-20 13:06:09,775 INFO L446 ceAbstractionStarter]: At program point L904-2(lines 904 918) the Hoare annotation is: true [2019-09-20 13:06:09,775 INFO L446 ceAbstractionStarter]: At program point L900(line 900) the Hoare annotation is: true [2019-09-20 13:06:09,775 INFO L443 ceAbstractionStarter]: For program point L900-1(line 900) no Hoare annotation was computed. [2019-09-20 13:06:09,775 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 428 436) the Hoare annotation is: true [2019-09-20 13:06:09,775 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 428 436) no Hoare annotation was computed. [2019-09-20 13:06:09,776 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 428 436) no Hoare annotation was computed. [2019-09-20 13:06:09,776 INFO L443 ceAbstractionStarter]: For program point L512(lines 512 518) no Hoare annotation was computed. [2019-09-20 13:06:09,776 INFO L439 ceAbstractionStarter]: At program point L510(line 510) the Hoare annotation is: (let ((.cse2 (not (<= ~waterLevel~0 2))) (.cse0 (not (<= ~waterLevel~0 1))) (.cse3 (not (= 1 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 0 ~pumpRunning~0)) .cse1) (or (= ~methaneLevelCritical~0 __utac_acc__Specification3_spec__1_~tmp~6) .cse2 .cse3 .cse1) (or (= ~methaneLevelCritical~0 0) .cse2 .cse3 .cse1) (or .cse0 .cse3 .cse1))) [2019-09-20 13:06:09,776 INFO L443 ceAbstractionStarter]: For program point L510-1(line 510) no Hoare annotation was computed. [2019-09-20 13:06:09,776 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 493 525) no Hoare annotation was computed. [2019-09-20 13:06:09,776 INFO L443 ceAbstractionStarter]: For program point L508(lines 508 521) no Hoare annotation was computed. [2019-09-20 13:06:09,776 INFO L443 ceAbstractionStarter]: For program point L508-1(lines 493 525) no Hoare annotation was computed. [2019-09-20 13:06:09,777 INFO L439 ceAbstractionStarter]: At program point L506(line 506) the Hoare annotation is: (let ((.cse3 (= ~methaneLevelCritical~0 __utac_acc__Specification3_spec__1_~tmp~6)) (.cse4 (not (<= ~waterLevel~0 2))) (.cse5 (not (= 1 ~pumpRunning~0))) (.cse0 (not (<= ~waterLevel~0 1))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse3 .cse4 .cse5 .cse2) (or .cse6 .cse4 .cse5 .cse2) (or .cse0 .cse1 .cse6 .cse2))) [2019-09-20 13:06:09,777 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 493 525) the Hoare annotation is: true [2019-09-20 13:06:09,777 INFO L443 ceAbstractionStarter]: For program point L506-1(line 506) no Hoare annotation was computed. [2019-09-20 13:06:09,777 INFO L443 ceAbstractionStarter]: For program point L502(lines 502 522) no Hoare annotation was computed. [2019-09-20 13:06:09,777 INFO L446 ceAbstractionStarter]: At program point L500(line 500) the Hoare annotation is: true [2019-09-20 13:06:09,777 INFO L443 ceAbstractionStarter]: For program point L500-1(line 500) no Hoare annotation was computed. [2019-09-20 13:06:09,777 INFO L439 ceAbstractionStarter]: At program point L516(line 516) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= ~waterLevel~0 2)) (not (= 1 ~pumpRunning~0)) .cse0) (or (not (<= ~waterLevel~0 1)) (not (= 0 ~pumpRunning~0)) .cse0))) [2019-09-20 13:06:09,777 INFO L439 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 392 403) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= 1 ~pumpRunning~0)))) (and (or .cse0 (not (<= |old(~waterLevel~0)| 1)) (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse1) (or .cse0 (and (<= ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (<= |old(~waterLevel~0)| 2)) .cse1))) [2019-09-20 13:06:09,778 INFO L443 ceAbstractionStarter]: For program point L396-1(lines 392 403) no Hoare annotation was computed. [2019-09-20 13:06:09,778 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 392 403) no Hoare annotation was computed. [2019-09-20 13:06:09,778 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 948 954) no Hoare annotation was computed. [2019-09-20 13:06:09,778 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 948 954) the Hoare annotation is: true [2019-09-20 13:06:09,778 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:06:09,778 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2)) [2019-09-20 13:06:09,778 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-09-20 13:06:09,778 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:06:09,779 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 201 225) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 2)) (= ~pumpRunning~0 0) .cse0))) [2019-09-20 13:06:09,779 INFO L439 ceAbstractionStarter]: At program point L220(line 220) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 2)) .cse0))) [2019-09-20 13:06:09,779 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 201 225) no Hoare annotation was computed. [2019-09-20 13:06:09,779 INFO L443 ceAbstractionStarter]: For program point L220-1(lines 201 225) no Hoare annotation was computed. [2019-09-20 13:06:09,779 INFO L439 ceAbstractionStarter]: At program point L215(line 215) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= ~waterLevel~0 1))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~1) (= ~pumpRunning~0 0)) .cse2) (or .cse1 (not (<= ~waterLevel~0 2)) (not (<= 2 ~waterLevel~0)) .cse2) (or .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse2))) [2019-09-20 13:06:09,779 INFO L439 ceAbstractionStarter]: At program point L211(line 211) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or (and (= 1 processEnvironment__wrappee__highWaterSensor_~tmp~1) (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 2)) .cse0))) [2019-09-20 13:06:09,779 INFO L443 ceAbstractionStarter]: For program point L209(lines 209 217) no Hoare annotation was computed. [2019-09-20 13:06:09,780 INFO L439 ceAbstractionStarter]: At program point L207(line 207) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 2)) (= ~pumpRunning~0 0) .cse0) (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2019-09-20 13:06:09,780 INFO L443 ceAbstractionStarter]: For program point L207-1(line 207) no Hoare annotation was computed. [2019-09-20 13:06:09,780 INFO L443 ceAbstractionStarter]: For program point L205(lines 205 222) no Hoare annotation was computed. [2019-09-20 13:06:09,780 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 404 415) no Hoare annotation was computed. [2019-09-20 13:06:09,780 INFO L443 ceAbstractionStarter]: For program point L408-1(lines 404 415) no Hoare annotation was computed. [2019-09-20 13:06:09,780 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 404 415) the Hoare annotation is: (let ((.cse0 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse4 (and (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse0)) (.cse3 (not (< |old(~waterLevel~0)| 2))) (.cse1 (not (= 1 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1)))) (and (or (and (<= ~waterLevel~0 2) .cse0) (not (<= |old(~waterLevel~0)| 2)) .cse1 .cse2) (or (or .cse3 (not (= 0 ~pumpRunning~0)) .cse2) .cse4) (or .cse4 (or .cse3 .cse1 .cse2))))) [2019-09-20 13:06:09,780 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2019-09-20 13:06:09,780 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2019-09-20 13:06:09,781 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-09-20 13:06:09,781 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2019-09-20 13:06:09,781 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 227 251) no Hoare annotation was computed. [2019-09-20 13:06:09,781 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 227 251) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 2)) (= ~pumpRunning~0 0) .cse0))) [2019-09-20 13:06:09,781 INFO L439 ceAbstractionStarter]: At program point L246(line 246) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 2)) (= ~pumpRunning~0 0) .cse0) (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2019-09-20 13:06:09,781 INFO L443 ceAbstractionStarter]: For program point L246-1(lines 227 251) no Hoare annotation was computed. [2019-09-20 13:06:09,781 INFO L439 ceAbstractionStarter]: At program point L241(line 241) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 2)) .cse0))) [2019-09-20 13:06:09,782 INFO L439 ceAbstractionStarter]: At program point L237(line 237) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 2)) .cse0))) [2019-09-20 13:06:09,782 INFO L443 ceAbstractionStarter]: For program point L235(lines 235 243) no Hoare annotation was computed. [2019-09-20 13:06:09,782 INFO L439 ceAbstractionStarter]: At program point L233(line 233) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 2)) .cse0))) [2019-09-20 13:06:09,782 INFO L443 ceAbstractionStarter]: For program point L233-1(line 233) no Hoare annotation was computed. [2019-09-20 13:06:09,782 INFO L443 ceAbstractionStarter]: For program point L231(lines 231 248) no Hoare annotation was computed. [2019-09-20 13:06:09,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:06:09 BoogieIcfgContainer [2019-09-20 13:06:09,796 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-20 13:06:09,798 INFO L168 Benchmark]: Toolchain (without parser) took 23974.54 ms. Allocated memory was 130.0 MB in the beginning and 660.1 MB in the end (delta: 530.1 MB). Free memory was 84.6 MB in the beginning and 401.7 MB in the end (delta: -317.1 MB). Peak memory consumption was 469.7 MB. Max. memory is 7.1 GB. [2019-09-20 13:06:09,799 INFO L168 Benchmark]: CDTParser took 0.45 ms. Allocated memory is still 130.0 MB. Free memory was 104.0 MB in the beginning and 103.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-09-20 13:06:09,800 INFO L168 Benchmark]: CACSL2BoogieTranslator took 786.50 ms. Allocated memory was 130.0 MB in the beginning and 197.7 MB in the end (delta: 67.6 MB). Free memory was 84.4 MB in the beginning and 161.8 MB in the end (delta: -77.4 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. [2019-09-20 13:06:09,801 INFO L168 Benchmark]: Boogie Preprocessor took 101.55 ms. Allocated memory is still 197.7 MB. Free memory was 161.8 MB in the beginning and 157.1 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2019-09-20 13:06:09,802 INFO L168 Benchmark]: RCFGBuilder took 1221.94 ms. Allocated memory was 197.7 MB in the beginning and 216.5 MB in the end (delta: 18.9 MB). Free memory was 157.1 MB in the beginning and 187.3 MB in the end (delta: -30.2 MB). Peak memory consumption was 94.3 MB. Max. memory is 7.1 GB. [2019-09-20 13:06:09,802 INFO L168 Benchmark]: TraceAbstraction took 21859.96 ms. Allocated memory was 216.5 MB in the beginning and 660.1 MB in the end (delta: 443.5 MB). Free memory was 187.3 MB in the beginning and 401.7 MB in the end (delta: -214.3 MB). Peak memory consumption was 485.9 MB. Max. memory is 7.1 GB. [2019-09-20 13:06:09,806 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45 ms. Allocated memory is still 130.0 MB. Free memory was 104.0 MB in the beginning and 103.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 786.50 ms. Allocated memory was 130.0 MB in the beginning and 197.7 MB in the end (delta: 67.6 MB). Free memory was 84.4 MB in the beginning and 161.8 MB in the end (delta: -77.4 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 101.55 ms. Allocated memory is still 197.7 MB. Free memory was 161.8 MB in the beginning and 157.1 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1221.94 ms. Allocated memory was 197.7 MB in the beginning and 216.5 MB in the end (delta: 18.9 MB). Free memory was 157.1 MB in the beginning and 187.3 MB in the end (delta: -30.2 MB). Peak memory consumption was 94.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 21859.96 ms. Allocated memory was 216.5 MB in the beginning and 660.1 MB in the end (delta: 443.5 MB). Free memory was 187.3 MB in the beginning and 401.7 MB in the end (delta: -214.3 MB). Peak memory consumption was 485.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: ((((((0 == splverifierCounter && pumpRunning == 0) && waterLevel < 2) || !(systemActive == 1)) || ((0 == splverifierCounter && waterLevel <= 2) && pumpRunning == 1)) || !(0 == \old(pumpRunning))) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 894]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 904]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 248 locations, 1 error locations. SAFE Result, 21.7s OverallTime, 12 OverallIterations, 3 TraceHistogramMax, 8.5s AutomataDifference, 0.0s DeadEndRemovalTime, 9.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 2282 SDtfs, 2556 SDslu, 7688 SDs, 0 SdLazy, 5586 SolverSat, 1426 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 587 GetRequests, 461 SyntacticMatches, 1 SemanticMatches, 125 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 549 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=937occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 12 MinimizatonAttempts, 153 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 67 LocationsWithAnnotation, 2950 PreInvPairs, 3459 NumberOfFragments, 1691 HoareAnnotationTreeSize, 2950 FomulaSimplifications, 10914 FormulaSimplificationTreeSizeReduction, 1.8s HoareSimplificationTime, 67 FomulaSimplificationsInter, 34867 FormulaSimplificationTreeSizeReductionInter, 7.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 1537 NumberOfCodeBlocks, 1537 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1522 ConstructedInterpolants, 0 QuantifiedInterpolants, 266349 SizeOfPredicates, 13 NumberOfNonLiveVariables, 2549 ConjunctsInSsa, 40 ConjunctsInUnsatCore, 15 InterpolantComputations, 11 PerfectInterpolantSequences, 164/180 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...