java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product49.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-16 16:37:00,730 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-16 16:37:00,732 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-16 16:37:00,744 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-16 16:37:00,744 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-16 16:37:00,745 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-16 16:37:00,746 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-16 16:37:00,748 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-16 16:37:00,750 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-16 16:37:00,751 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-16 16:37:00,752 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-16 16:37:00,753 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-16 16:37:00,753 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-16 16:37:00,754 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-16 16:37:00,755 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-16 16:37:00,757 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-16 16:37:00,758 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-16 16:37:00,759 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-16 16:37:00,760 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-16 16:37:00,763 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-16 16:37:00,764 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-16 16:37:00,765 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-16 16:37:00,767 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-16 16:37:00,767 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-16 16:37:00,770 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-16 16:37:00,770 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-16 16:37:00,770 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-16 16:37:00,771 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-16 16:37:00,771 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-16 16:37:00,772 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-16 16:37:00,773 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-16 16:37:00,774 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-16 16:37:00,774 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-16 16:37:00,775 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-16 16:37:00,776 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-16 16:37:00,776 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-16 16:37:00,777 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-16 16:37:00,778 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-16 16:37:00,778 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-16 16:37:00,779 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-16 16:37:00,779 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-16 16:37:00,780 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 [2019-09-16 16:37:00,795 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-16 16:37:00,795 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-16 16:37:00,796 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-16 16:37:00,797 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-16 16:37:00,797 INFO L138 SettingsManager]: * Use SBE=true [2019-09-16 16:37:00,797 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-16 16:37:00,797 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-16 16:37:00,797 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-16 16:37:00,798 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-16 16:37:00,798 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-16 16:37:00,798 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-16 16:37:00,798 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-16 16:37:00,798 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-16 16:37:00,799 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-16 16:37:00,799 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-16 16:37:00,799 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-16 16:37:00,799 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-16 16:37:00,799 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-16 16:37:00,800 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-16 16:37:00,800 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-16 16:37:00,800 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-16 16:37:00,800 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 16:37:00,800 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-16 16:37:00,801 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-16 16:37:00,801 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-16 16:37:00,801 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-16 16:37:00,802 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-16 16:37:00,802 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-16 16:37:00,802 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-16 16:37:00,852 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-16 16:37:00,865 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-16 16:37:00,869 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-16 16:37:00,870 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-16 16:37:00,870 INFO L275 PluginConnector]: CDTParser initialized [2019-09-16 16:37:00,871 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product49.cil.c [2019-09-16 16:37:00,944 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89b5b0fa0/758622e750724a7a91c6f65e92f07888/FLAG660792562 [2019-09-16 16:37:01,515 INFO L306 CDTParser]: Found 1 translation units. [2019-09-16 16:37:01,518 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product49.cil.c [2019-09-16 16:37:01,531 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89b5b0fa0/758622e750724a7a91c6f65e92f07888/FLAG660792562 [2019-09-16 16:37:01,903 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89b5b0fa0/758622e750724a7a91c6f65e92f07888 [2019-09-16 16:37:01,913 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-16 16:37:01,915 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-16 16:37:01,916 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-16 16:37:01,916 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-16 16:37:01,919 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-16 16:37:01,920 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 04:37:01" (1/1) ... [2019-09-16 16:37:01,923 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3407fcbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:37:01, skipping insertion in model container [2019-09-16 16:37:01,924 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 04:37:01" (1/1) ... [2019-09-16 16:37:01,930 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-16 16:37:01,993 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-16 16:37:02,429 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 16:37:02,456 INFO L188 MainTranslator]: Completed pre-run [2019-09-16 16:37:02,544 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 16:37:02,579 INFO L192 MainTranslator]: Completed translation [2019-09-16 16:37:02,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:37:02 WrapperNode [2019-09-16 16:37:02,580 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-16 16:37:02,581 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-16 16:37:02,581 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-16 16:37:02,581 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-16 16:37:02,594 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:37:02" (1/1) ... [2019-09-16 16:37:02,594 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:37:02" (1/1) ... [2019-09-16 16:37:02,621 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:37:02" (1/1) ... [2019-09-16 16:37:02,621 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:37:02" (1/1) ... [2019-09-16 16:37:02,665 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:37:02" (1/1) ... [2019-09-16 16:37:02,675 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:37:02" (1/1) ... [2019-09-16 16:37:02,680 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:37:02" (1/1) ... [2019-09-16 16:37:02,688 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-16 16:37:02,689 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-16 16:37:02,689 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-16 16:37:02,689 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-16 16:37:02,690 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:37:02" (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 [2019-09-16 16:37:02,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-16 16:37:02,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-16 16:37:02,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-16 16:37:02,776 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-16 16:37:02,777 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-16 16:37:02,777 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-16 16:37:02,778 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-16 16:37:02,778 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-16 16:37:02,778 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-16 16:37:02,778 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-16 16:37:02,779 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-16 16:37:02,779 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-16 16:37:02,779 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-16 16:37:02,780 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-16 16:37:02,781 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-16 16:37:02,781 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-16 16:37:02,783 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-16 16:37:02,784 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-16 16:37:02,784 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-16 16:37:02,784 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-16 16:37:02,784 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-16 16:37:02,784 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-16 16:37:02,784 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-16 16:37:02,785 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-16 16:37:02,785 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-16 16:37:02,785 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-16 16:37:02,785 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-16 16:37:02,785 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-16 16:37:02,785 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-16 16:37:02,786 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-16 16:37:02,786 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-16 16:37:02,786 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-16 16:37:02,786 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-16 16:37:02,786 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-16 16:37:02,786 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-16 16:37:02,787 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-16 16:37:02,787 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-16 16:37:02,787 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-16 16:37:02,787 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-16 16:37:02,787 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-16 16:37:02,787 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-16 16:37:02,788 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-16 16:37:02,788 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-16 16:37:02,788 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-16 16:37:02,788 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-16 16:37:02,789 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-16 16:37:02,789 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-16 16:37:02,789 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-16 16:37:02,789 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-16 16:37:02,789 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-16 16:37:02,789 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-16 16:37:02,790 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-16 16:37:02,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-16 16:37:02,790 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-16 16:37:02,790 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-16 16:37:02,790 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-16 16:37:02,790 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-16 16:37:02,790 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-16 16:37:02,791 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-16 16:37:02,791 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-16 16:37:02,791 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-16 16:37:02,792 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-16 16:37:02,792 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-16 16:37:02,792 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-16 16:37:02,792 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-16 16:37:02,792 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-16 16:37:02,793 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-16 16:37:02,793 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-16 16:37:02,793 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-16 16:37:02,793 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-16 16:37:02,794 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-16 16:37:02,794 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-16 16:37:02,794 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-16 16:37:02,794 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-16 16:37:02,795 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-16 16:37:02,795 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-16 16:37:02,795 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-16 16:37:02,795 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-16 16:37:02,796 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-16 16:37:02,796 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-16 16:37:02,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-16 16:37:02,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-16 16:37:02,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-16 16:37:02,797 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-16 16:37:02,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-16 16:37:02,797 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-16 16:37:02,797 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-16 16:37:02,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-16 16:37:02,799 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-16 16:37:02,799 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-16 16:37:02,799 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-16 16:37:02,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-16 16:37:02,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-16 16:37:02,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-16 16:37:03,923 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-16 16:37:03,924 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-16 16:37:03,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 04:37:03 BoogieIcfgContainer [2019-09-16 16:37:03,926 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-16 16:37:03,927 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-16 16:37:03,927 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-16 16:37:03,931 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-16 16:37:03,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 04:37:01" (1/3) ... [2019-09-16 16:37:03,932 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49483ebd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 04:37:03, skipping insertion in model container [2019-09-16 16:37:03,932 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:37:02" (2/3) ... [2019-09-16 16:37:03,933 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49483ebd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 04:37:03, skipping insertion in model container [2019-09-16 16:37:03,933 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 04:37:03" (3/3) ... [2019-09-16 16:37:03,937 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product49.cil.c [2019-09-16 16:37:03,948 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-16 16:37:03,960 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-16 16:37:03,978 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-16 16:37:04,026 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-16 16:37:04,027 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-16 16:37:04,027 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-16 16:37:04,028 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-16 16:37:04,028 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-16 16:37:04,028 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-16 16:37:04,028 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-16 16:37:04,029 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-16 16:37:04,029 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-16 16:37:04,054 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states. [2019-09-16 16:37:04,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-09-16 16:37:04,065 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:37:04,066 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 16:37:04,069 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:37:04,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:37:04,074 INFO L82 PathProgramCache]: Analyzing trace with hash 916136138, now seen corresponding path program 1 times [2019-09-16 16:37:04,076 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:37:04,076 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:37:04,140 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:37:04,140 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:37:04,140 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:37:04,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:37:04,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 16:37:04,484 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:37:04,485 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-16 16:37:04,489 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-16 16:37:04,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-16 16:37:04,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-16 16:37:04,508 INFO L87 Difference]: Start difference. First operand 171 states. Second operand 2 states. [2019-09-16 16:37:04,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:37:04,554 INFO L93 Difference]: Finished difference Result 256 states and 317 transitions. [2019-09-16 16:37:04,555 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-16 16:37:04,556 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-09-16 16:37:04,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:37:04,578 INFO L225 Difference]: With dead ends: 256 [2019-09-16 16:37:04,579 INFO L226 Difference]: Without dead ends: 128 [2019-09-16 16:37:04,586 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 [2019-09-16 16:37:04,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2019-09-16 16:37:04,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2019-09-16 16:37:04,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2019-09-16 16:37:04,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 150 transitions. [2019-09-16 16:37:04,639 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 150 transitions. Word has length 46 [2019-09-16 16:37:04,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:37:04,640 INFO L475 AbstractCegarLoop]: Abstraction has 128 states and 150 transitions. [2019-09-16 16:37:04,640 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-16 16:37:04,640 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 150 transitions. [2019-09-16 16:37:04,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-09-16 16:37:04,643 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:37:04,644 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 16:37:04,644 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:37:04,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:37:04,645 INFO L82 PathProgramCache]: Analyzing trace with hash -1104947330, now seen corresponding path program 1 times [2019-09-16 16:37:04,645 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:37:04,645 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:37:04,649 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:37:04,649 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:37:04,649 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:37:04,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:37:04,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 16:37:04,855 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:37:04,855 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-16 16:37:04,857 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-16 16:37:04,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-16 16:37:04,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-16 16:37:04,858 INFO L87 Difference]: Start difference. First operand 128 states and 150 transitions. Second operand 3 states. [2019-09-16 16:37:04,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:37:04,880 INFO L93 Difference]: Finished difference Result 205 states and 239 transitions. [2019-09-16 16:37:04,880 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-16 16:37:04,880 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-09-16 16:37:04,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:37:04,883 INFO L225 Difference]: With dead ends: 205 [2019-09-16 16:37:04,883 INFO L226 Difference]: Without dead ends: 119 [2019-09-16 16:37:04,885 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 [2019-09-16 16:37:04,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2019-09-16 16:37:04,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2019-09-16 16:37:04,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2019-09-16 16:37:04,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 138 transitions. [2019-09-16 16:37:04,909 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 138 transitions. Word has length 47 [2019-09-16 16:37:04,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:37:04,910 INFO L475 AbstractCegarLoop]: Abstraction has 119 states and 138 transitions. [2019-09-16 16:37:04,910 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-16 16:37:04,910 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 138 transitions. [2019-09-16 16:37:04,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-09-16 16:37:04,917 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:37:04,919 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] [2019-09-16 16:37:04,920 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:37:04,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:37:04,920 INFO L82 PathProgramCache]: Analyzing trace with hash -1852359913, now seen corresponding path program 1 times [2019-09-16 16:37:04,920 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:37:04,920 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:37:04,923 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:37:04,924 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:37:04,924 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:37:04,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:37:05,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 16:37:05,119 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:37:05,119 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-16 16:37:05,121 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-16 16:37:05,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-16 16:37:05,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-16 16:37:05,122 INFO L87 Difference]: Start difference. First operand 119 states and 138 transitions. Second operand 7 states. [2019-09-16 16:37:05,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:37:05,480 INFO L93 Difference]: Finished difference Result 214 states and 253 transitions. [2019-09-16 16:37:05,481 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-16 16:37:05,482 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2019-09-16 16:37:05,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:37:05,484 INFO L225 Difference]: With dead ends: 214 [2019-09-16 16:37:05,484 INFO L226 Difference]: Without dead ends: 119 [2019-09-16 16:37:05,485 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 [2019-09-16 16:37:05,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2019-09-16 16:37:05,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2019-09-16 16:37:05,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2019-09-16 16:37:05,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 137 transitions. [2019-09-16 16:37:05,505 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 137 transitions. Word has length 51 [2019-09-16 16:37:05,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:37:05,505 INFO L475 AbstractCegarLoop]: Abstraction has 119 states and 137 transitions. [2019-09-16 16:37:05,506 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-16 16:37:05,506 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 137 transitions. [2019-09-16 16:37:05,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-09-16 16:37:05,512 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:37:05,513 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] [2019-09-16 16:37:05,513 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:37:05,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:37:05,515 INFO L82 PathProgramCache]: Analyzing trace with hash 458129541, now seen corresponding path program 1 times [2019-09-16 16:37:05,515 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:37:05,515 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:37:05,518 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:37:05,519 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:37:05,519 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:37:05,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:37:05,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 16:37:05,676 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:37:05,676 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-16 16:37:05,676 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-16 16:37:05,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-16 16:37:05,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-16 16:37:05,677 INFO L87 Difference]: Start difference. First operand 119 states and 137 transitions. Second operand 5 states. [2019-09-16 16:37:06,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:37:06,154 INFO L93 Difference]: Finished difference Result 308 states and 371 transitions. [2019-09-16 16:37:06,155 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-16 16:37:06,155 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2019-09-16 16:37:06,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:37:06,158 INFO L225 Difference]: With dead ends: 308 [2019-09-16 16:37:06,158 INFO L226 Difference]: Without dead ends: 213 [2019-09-16 16:37:06,159 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-09-16 16:37:06,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2019-09-16 16:37:06,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 195. [2019-09-16 16:37:06,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states. [2019-09-16 16:37:06,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 222 transitions. [2019-09-16 16:37:06,183 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 222 transitions. Word has length 64 [2019-09-16 16:37:06,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:37:06,183 INFO L475 AbstractCegarLoop]: Abstraction has 195 states and 222 transitions. [2019-09-16 16:37:06,184 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-16 16:37:06,184 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 222 transitions. [2019-09-16 16:37:06,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-09-16 16:37:06,185 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:37:06,185 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] [2019-09-16 16:37:06,186 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:37:06,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:37:06,186 INFO L82 PathProgramCache]: Analyzing trace with hash -1170867649, now seen corresponding path program 1 times [2019-09-16 16:37:06,186 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:37:06,186 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:37:06,189 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:37:06,189 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:37:06,189 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:37:06,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:37:06,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 16:37:06,310 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:37:06,310 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-09-16 16:37:06,310 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-09-16 16:37:06,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-09-16 16:37:06,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-09-16 16:37:06,311 INFO L87 Difference]: Start difference. First operand 195 states and 222 transitions. Second operand 10 states. [2019-09-16 16:37:06,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:37:06,963 INFO L93 Difference]: Finished difference Result 618 states and 772 transitions. [2019-09-16 16:37:06,964 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-09-16 16:37:06,964 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 78 [2019-09-16 16:37:06,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:37:06,969 INFO L225 Difference]: With dead ends: 618 [2019-09-16 16:37:06,970 INFO L226 Difference]: Without dead ends: 447 [2019-09-16 16:37:06,971 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2019-09-16 16:37:06,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2019-09-16 16:37:07,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 437. [2019-09-16 16:37:07,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 437 states. [2019-09-16 16:37:07,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 437 states and 517 transitions. [2019-09-16 16:37:07,018 INFO L78 Accepts]: Start accepts. Automaton has 437 states and 517 transitions. Word has length 78 [2019-09-16 16:37:07,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:37:07,018 INFO L475 AbstractCegarLoop]: Abstraction has 437 states and 517 transitions. [2019-09-16 16:37:07,019 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-09-16 16:37:07,019 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 517 transitions. [2019-09-16 16:37:07,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-09-16 16:37:07,022 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:37:07,023 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 16:37:07,023 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:37:07,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:37:07,024 INFO L82 PathProgramCache]: Analyzing trace with hash 276517880, now seen corresponding path program 1 times [2019-09-16 16:37:07,024 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:37:07,024 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:37:07,027 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:37:07,027 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:37:07,027 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:37:07,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:37:07,130 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-09-16 16:37:07,131 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-16 16:37:07,131 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 [2019-09-16 16:37:07,202 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:37:07,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:37:07,359 INFO L256 TraceCheckSpWp]: Trace formula consists of 839 conjuncts, 13 conjunts are in the unsatisfiable core [2019-09-16 16:37:07,373 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-16 16:37:07,542 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (2)] Exception during sending of exit command (exit): Broken pipe [2019-09-16 16:37:07,549 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-16 16:37:07,549 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [6] total 12 [2019-09-16 16:37:07,554 INFO L454 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-09-16 16:37:07,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-09-16 16:37:07,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2019-09-16 16:37:07,555 INFO L87 Difference]: Start difference. First operand 437 states and 517 transitions. Second operand 12 states. [2019-09-16 16:37:09,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:37:09,649 INFO L93 Difference]: Finished difference Result 1257 states and 1673 transitions. [2019-09-16 16:37:09,649 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2019-09-16 16:37:09,650 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 136 [2019-09-16 16:37:09,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:37:09,656 INFO L225 Difference]: With dead ends: 1257 [2019-09-16 16:37:09,656 INFO L226 Difference]: Without dead ends: 844 [2019-09-16 16:37:09,658 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=162, Invalid=650, Unknown=0, NotChecked=0, Total=812 [2019-09-16 16:37:09,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 844 states. [2019-09-16 16:37:09,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 844 to 773. [2019-09-16 16:37:09,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 773 states. [2019-09-16 16:37:09,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 773 states to 773 states and 954 transitions. [2019-09-16 16:37:09,718 INFO L78 Accepts]: Start accepts. Automaton has 773 states and 954 transitions. Word has length 136 [2019-09-16 16:37:09,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:37:09,718 INFO L475 AbstractCegarLoop]: Abstraction has 773 states and 954 transitions. [2019-09-16 16:37:09,718 INFO L476 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-09-16 16:37:09,719 INFO L276 IsEmpty]: Start isEmpty. Operand 773 states and 954 transitions. [2019-09-16 16:37:09,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2019-09-16 16:37:09,721 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:37:09,721 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 16:37:09,722 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:37:09,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:37:09,722 INFO L82 PathProgramCache]: Analyzing trace with hash -532032326, now seen corresponding path program 1 times [2019-09-16 16:37:09,722 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:37:09,722 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:37:09,724 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:37:09,725 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:37:09,725 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:37:09,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:37:09,818 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-09-16 16:37:09,818 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-16 16:37:09,818 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 [2019-09-16 16:37:09,894 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:37:10,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:37:10,050 INFO L256 TraceCheckSpWp]: Trace formula consists of 822 conjuncts, 5 conjunts are in the unsatisfiable core [2019-09-16 16:37:10,056 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-16 16:37:10,130 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (3)] Exception during sending of exit command (exit): Broken pipe [2019-09-16 16:37:10,143 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-16 16:37:10,144 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2019-09-16 16:37:10,145 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-09-16 16:37:10,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-09-16 16:37:10,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2019-09-16 16:37:10,146 INFO L87 Difference]: Start difference. First operand 773 states and 954 transitions. Second operand 11 states. [2019-09-16 16:37:10,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:37:10,226 INFO L93 Difference]: Finished difference Result 1397 states and 1760 transitions. [2019-09-16 16:37:10,227 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-16 16:37:10,227 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 128 [2019-09-16 16:37:10,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:37:10,234 INFO L225 Difference]: With dead ends: 1397 [2019-09-16 16:37:10,234 INFO L226 Difference]: Without dead ends: 648 [2019-09-16 16:37:10,237 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2019-09-16 16:37:10,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 648 states. [2019-09-16 16:37:10,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 648 to 648. [2019-09-16 16:37:10,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 648 states. [2019-09-16 16:37:10,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 648 states and 786 transitions. [2019-09-16 16:37:10,335 INFO L78 Accepts]: Start accepts. Automaton has 648 states and 786 transitions. Word has length 128 [2019-09-16 16:37:10,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:37:10,335 INFO L475 AbstractCegarLoop]: Abstraction has 648 states and 786 transitions. [2019-09-16 16:37:10,336 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-09-16 16:37:10,336 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 786 transitions. [2019-09-16 16:37:10,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2019-09-16 16:37:10,338 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:37:10,338 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 16:37:10,338 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:37:10,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:37:10,339 INFO L82 PathProgramCache]: Analyzing trace with hash 759278389, now seen corresponding path program 1 times [2019-09-16 16:37:10,339 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:37:10,339 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:37:10,341 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:37:10,342 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:37:10,342 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:37:10,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:37:10,436 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-09-16 16:37:10,436 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:37:10,437 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-16 16:37:10,437 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-16 16:37:10,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-16 16:37:10,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-16 16:37:10,438 INFO L87 Difference]: Start difference. First operand 648 states and 786 transitions. Second operand 6 states. [2019-09-16 16:37:10,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:37:10,489 INFO L93 Difference]: Finished difference Result 1228 states and 1512 transitions. [2019-09-16 16:37:10,490 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-16 16:37:10,490 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 132 [2019-09-16 16:37:10,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:37:10,495 INFO L225 Difference]: With dead ends: 1228 [2019-09-16 16:37:10,495 INFO L226 Difference]: Without dead ends: 663 [2019-09-16 16:37:10,498 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-09-16 16:37:10,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 663 states. [2019-09-16 16:37:10,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 663 to 663. [2019-09-16 16:37:10,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 663 states. [2019-09-16 16:37:10,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 663 states and 801 transitions. [2019-09-16 16:37:10,538 INFO L78 Accepts]: Start accepts. Automaton has 663 states and 801 transitions. Word has length 132 [2019-09-16 16:37:10,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:37:10,539 INFO L475 AbstractCegarLoop]: Abstraction has 663 states and 801 transitions. [2019-09-16 16:37:10,539 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-16 16:37:10,539 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 801 transitions. [2019-09-16 16:37:10,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2019-09-16 16:37:10,541 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:37:10,542 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 16:37:10,542 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:37:10,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:37:10,542 INFO L82 PathProgramCache]: Analyzing trace with hash 249805299, now seen corresponding path program 1 times [2019-09-16 16:37:10,542 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:37:10,543 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:37:10,545 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:37:10,545 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:37:10,545 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:37:10,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:37:10,630 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-09-16 16:37:10,630 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:37:10,631 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-16 16:37:10,631 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-16 16:37:10,631 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-16 16:37:10,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-16 16:37:10,632 INFO L87 Difference]: Start difference. First operand 663 states and 801 transitions. Second operand 6 states. [2019-09-16 16:37:10,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:37:10,810 INFO L93 Difference]: Finished difference Result 680 states and 820 transitions. [2019-09-16 16:37:10,810 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-16 16:37:10,810 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 132 [2019-09-16 16:37:10,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:37:10,815 INFO L225 Difference]: With dead ends: 680 [2019-09-16 16:37:10,815 INFO L226 Difference]: Without dead ends: 677 [2019-09-16 16:37:10,815 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-16 16:37:10,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 677 states. [2019-09-16 16:37:10,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 677 to 663. [2019-09-16 16:37:10,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 663 states. [2019-09-16 16:37:10,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 663 states and 797 transitions. [2019-09-16 16:37:10,861 INFO L78 Accepts]: Start accepts. Automaton has 663 states and 797 transitions. Word has length 132 [2019-09-16 16:37:10,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:37:10,863 INFO L475 AbstractCegarLoop]: Abstraction has 663 states and 797 transitions. [2019-09-16 16:37:10,863 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-16 16:37:10,863 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 797 transitions. [2019-09-16 16:37:10,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-09-16 16:37:10,865 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:37:10,866 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 16:37:10,866 INFO L418 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:37:10,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:37:10,866 INFO L82 PathProgramCache]: Analyzing trace with hash -1295460868, now seen corresponding path program 1 times [2019-09-16 16:37:10,867 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:37:10,867 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:37:10,869 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:37:10,870 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:37:10,870 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:37:10,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:37:11,009 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 18 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-09-16 16:37:11,010 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-16 16:37:11,010 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 [2019-09-16 16:37:11,074 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:37:11,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:37:11,202 INFO L256 TraceCheckSpWp]: Trace formula consists of 837 conjuncts, 11 conjunts are in the unsatisfiable core [2019-09-16 16:37:11,208 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-16 16:37:11,326 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (4)] Exception during sending of exit command (exit): Stream closed [2019-09-16 16:37:11,340 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-16 16:37:11,340 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 11 [2019-09-16 16:37:11,341 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-09-16 16:37:11,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-09-16 16:37:11,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2019-09-16 16:37:11,342 INFO L87 Difference]: Start difference. First operand 663 states and 797 transitions. Second operand 11 states. [2019-09-16 16:37:12,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:37:12,581 INFO L93 Difference]: Finished difference Result 1309 states and 1651 transitions. [2019-09-16 16:37:12,581 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-09-16 16:37:12,581 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 136 [2019-09-16 16:37:12,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:37:12,586 INFO L225 Difference]: With dead ends: 1309 [2019-09-16 16:37:12,586 INFO L226 Difference]: Without dead ends: 729 [2019-09-16 16:37:12,589 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=140, Invalid=366, Unknown=0, NotChecked=0, Total=506 [2019-09-16 16:37:12,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 729 states. [2019-09-16 16:37:12,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 729 to 645. [2019-09-16 16:37:12,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 645 states. [2019-09-16 16:37:12,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 775 transitions. [2019-09-16 16:37:12,634 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 775 transitions. Word has length 136 [2019-09-16 16:37:12,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:37:12,634 INFO L475 AbstractCegarLoop]: Abstraction has 645 states and 775 transitions. [2019-09-16 16:37:12,635 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-09-16 16:37:12,635 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 775 transitions. [2019-09-16 16:37:12,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2019-09-16 16:37:12,638 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:37:12,639 INFO L407 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 16:37:12,643 INFO L418 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:37:12,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:37:12,644 INFO L82 PathProgramCache]: Analyzing trace with hash -1491934830, now seen corresponding path program 2 times [2019-09-16 16:37:12,644 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:37:12,644 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:37:12,647 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:37:12,647 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:37:12,647 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:37:12,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:37:12,948 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 47 proven. 26 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-09-16 16:37:12,948 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-16 16:37:12,948 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-16 16:37:13,028 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-09-16 16:37:13,200 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-09-16 16:37:13,201 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-16 16:37:13,208 INFO L256 TraceCheckSpWp]: Trace formula consists of 957 conjuncts, 16 conjunts are in the unsatisfiable core [2019-09-16 16:37:13,214 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-16 16:37:13,305 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-16 16:37:13,384 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-09-16 16:37:13,399 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-16 16:37:13,400 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [10] total 16 [2019-09-16 16:37:13,402 INFO L454 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-09-16 16:37:13,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-09-16 16:37:13,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2019-09-16 16:37:13,407 INFO L87 Difference]: Start difference. First operand 645 states and 775 transitions. Second operand 16 states. [2019-09-16 16:37:16,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:37:16,167 INFO L93 Difference]: Finished difference Result 1638 states and 2056 transitions. [2019-09-16 16:37:16,168 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-09-16 16:37:16,168 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 189 [2019-09-16 16:37:16,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:37:16,176 INFO L225 Difference]: With dead ends: 1638 [2019-09-16 16:37:16,176 INFO L226 Difference]: Without dead ends: 1074 [2019-09-16 16:37:16,180 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=186, Invalid=684, Unknown=0, NotChecked=0, Total=870 [2019-09-16 16:37:16,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1074 states. [2019-09-16 16:37:16,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1074 to 937. [2019-09-16 16:37:16,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 937 states. [2019-09-16 16:37:16,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 937 states to 937 states and 1105 transitions. [2019-09-16 16:37:16,241 INFO L78 Accepts]: Start accepts. Automaton has 937 states and 1105 transitions. Word has length 189 [2019-09-16 16:37:16,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:37:16,241 INFO L475 AbstractCegarLoop]: Abstraction has 937 states and 1105 transitions. [2019-09-16 16:37:16,242 INFO L476 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-09-16 16:37:16,242 INFO L276 IsEmpty]: Start isEmpty. Operand 937 states and 1105 transitions. [2019-09-16 16:37:16,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2019-09-16 16:37:16,245 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:37:16,246 INFO L407 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 16:37:16,246 INFO L418 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:37:16,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:37:16,246 INFO L82 PathProgramCache]: Analyzing trace with hash 384547988, now seen corresponding path program 1 times [2019-09-16 16:37:16,246 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:37:16,247 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:37:16,248 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:37:16,249 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-16 16:37:16,249 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:37:16,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:37:16,362 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 39 proven. 8 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2019-09-16 16:37:16,362 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-16 16:37:16,363 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-16 16:37:16,434 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:37:16,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:37:16,582 INFO L256 TraceCheckSpWp]: Trace formula consists of 958 conjuncts, 6 conjunts are in the unsatisfiable core [2019-09-16 16:37:16,586 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-16 16:37:16,711 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-09-16 16:37:16,716 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-16 16:37:16,716 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2019-09-16 16:37:16,717 INFO L454 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-09-16 16:37:16,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-09-16 16:37:16,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2019-09-16 16:37:16,718 INFO L87 Difference]: Start difference. First operand 937 states and 1105 transitions. Second operand 13 states. [2019-09-16 16:37:16,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:37:16,806 INFO L93 Difference]: Finished difference Result 1194 states and 1408 transitions. [2019-09-16 16:37:16,809 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-16 16:37:16,809 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 189 [2019-09-16 16:37:16,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:37:16,812 INFO L225 Difference]: With dead ends: 1194 [2019-09-16 16:37:16,813 INFO L226 Difference]: Without dead ends: 0 [2019-09-16 16:37:16,816 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2019-09-16 16:37:16,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-16 16:37:16,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-16 16:37:16,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-16 16:37:16,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-16 16:37:16,817 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 189 [2019-09-16 16:37:16,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:37:16,817 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-16 16:37:16,817 INFO L476 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-09-16 16:37:16,818 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-16 16:37:16,818 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-16 16:37:16,823 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-09-16 16:37:17,574 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 31 [2019-09-16 16:37:18,433 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 29 [2019-09-16 16:37:18,887 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 22 [2019-09-16 16:37:19,169 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 17 [2019-09-16 16:37:19,513 INFO L443 ceAbstractionStarter]: For program point L672(lines 672 676) no Hoare annotation was computed. [2019-09-16 16:37:19,513 INFO L443 ceAbstractionStarter]: For program point L672-1(lines 672 676) no Hoare annotation was computed. [2019-09-16 16:37:19,514 INFO L443 ceAbstractionStarter]: For program point L667(line 667) no Hoare annotation was computed. [2019-09-16 16:37:19,514 INFO L443 ceAbstractionStarter]: For program point L666-2(lines 666 687) no Hoare annotation was computed. [2019-09-16 16:37:19,514 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 641 696) no Hoare annotation was computed. [2019-09-16 16:37:19,514 INFO L443 ceAbstractionStarter]: For program point L688(lines 665 689) no Hoare annotation was computed. [2019-09-16 16:37:19,514 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 641 696) no Hoare annotation was computed. [2019-09-16 16:37:19,514 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 641 696) no Hoare annotation was computed. [2019-09-16 16:37:19,514 INFO L443 ceAbstractionStarter]: For program point L729(lines 729 733) no Hoare annotation was computed. [2019-09-16 16:37:19,514 INFO L443 ceAbstractionStarter]: For program point L729-1(lines 729 733) no Hoare annotation was computed. [2019-09-16 16:37:19,514 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 697 756) no Hoare annotation was computed. [2019-09-16 16:37:19,514 INFO L443 ceAbstractionStarter]: For program point L724(line 724) no Hoare annotation was computed. [2019-09-16 16:37:19,514 INFO L443 ceAbstractionStarter]: For program point L723-2(lines 723 748) no Hoare annotation was computed. [2019-09-16 16:37:19,514 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 697 756) no Hoare annotation was computed. [2019-09-16 16:37:19,514 INFO L443 ceAbstractionStarter]: For program point L749(lines 722 750) no Hoare annotation was computed. [2019-09-16 16:37:19,515 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 697 756) no Hoare annotation was computed. [2019-09-16 16:37:19,515 INFO L443 ceAbstractionStarter]: For program point L742(line 742) no Hoare annotation was computed. [2019-09-16 16:37:19,515 INFO L443 ceAbstractionStarter]: For program point L742-1(line 742) no Hoare annotation was computed. [2019-09-16 16:37:19,515 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 546 552) the Hoare annotation is: true [2019-09-16 16:37:19,515 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 546 552) no Hoare annotation was computed. [2019-09-16 16:37:19,515 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 553 561) no Hoare annotation was computed. [2019-09-16 16:37:19,515 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 553 561) the Hoare annotation is: true [2019-09-16 16:37:19,515 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 553 561) no Hoare annotation was computed. [2019-09-16 16:37:19,515 INFO L439 ceAbstractionStarter]: At program point L577(line 577) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 ~pumpRunning~0)) (not (<= 1 ~waterLevel~0)) .cse0) (or (not (<= 2 ~waterLevel~0)) .cse0))) [2019-09-16 16:37:19,516 INFO L443 ceAbstractionStarter]: For program point L575(lines 575 581) no Hoare annotation was computed. [2019-09-16 16:37:19,516 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 563 587) the Hoare annotation is: true [2019-09-16 16:37:19,516 INFO L439 ceAbstractionStarter]: At program point L573(line 573) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 ~pumpRunning~0)) (not (<= 1 ~waterLevel~0)) .cse0) (or (not (<= 2 ~waterLevel~0)) .cse0))) [2019-09-16 16:37:19,516 INFO L443 ceAbstractionStarter]: For program point L573-1(line 573) no Hoare annotation was computed. [2019-09-16 16:37:19,516 INFO L443 ceAbstractionStarter]: For program point L571(lines 571 584) no Hoare annotation was computed. [2019-09-16 16:37:19,516 INFO L443 ceAbstractionStarter]: For program point L571-1(lines 563 587) no Hoare annotation was computed. [2019-09-16 16:37:19,516 INFO L446 ceAbstractionStarter]: At program point L569(line 569) the Hoare annotation is: true [2019-09-16 16:37:19,516 INFO L443 ceAbstractionStarter]: For program point L569-1(line 569) no Hoare annotation was computed. [2019-09-16 16:37:19,516 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 563 587) no Hoare annotation was computed. [2019-09-16 16:37:19,516 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 238 260) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-09-16 16:37:19,517 INFO L439 ceAbstractionStarter]: At program point L250(line 250) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~0 ~waterLevel~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-09-16 16:37:19,517 INFO L439 ceAbstractionStarter]: At program point L250-1(line 250) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~0 ~waterLevel~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-09-16 16:37:19,517 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 238 260) no Hoare annotation was computed. [2019-09-16 16:37:19,517 INFO L443 ceAbstractionStarter]: For program point L248(lines 248 255) no Hoare annotation was computed. [2019-09-16 16:37:19,517 INFO L443 ceAbstractionStarter]: For program point L248-1(lines 248 255) no Hoare annotation was computed. [2019-09-16 16:37:19,517 INFO L443 ceAbstractionStarter]: For program point L246(line 246) no Hoare annotation was computed. [2019-09-16 16:37:19,517 INFO L439 ceAbstractionStarter]: At program point L245(line 245) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-09-16 16:37:19,518 INFO L439 ceAbstractionStarter]: At program point L244(line 244) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-09-16 16:37:19,518 INFO L439 ceAbstractionStarter]: At program point L244-1(line 244) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-09-16 16:37:19,518 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 238 260) no Hoare annotation was computed. [2019-09-16 16:37:19,518 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 193 216) no Hoare annotation was computed. [2019-09-16 16:37:19,518 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 193 216) no Hoare annotation was computed. [2019-09-16 16:37:19,518 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 193 216) no Hoare annotation was computed. [2019-09-16 16:37:19,518 INFO L443 ceAbstractionStarter]: For program point L211(line 211) no Hoare annotation was computed. [2019-09-16 16:37:19,518 INFO L443 ceAbstractionStarter]: For program point L210(line 210) no Hoare annotation was computed. [2019-09-16 16:37:19,518 INFO L443 ceAbstractionStarter]: For program point L209(line 209) no Hoare annotation was computed. [2019-09-16 16:37:19,518 INFO L443 ceAbstractionStarter]: For program point L208(line 208) no Hoare annotation was computed. [2019-09-16 16:37:19,518 INFO L443 ceAbstractionStarter]: For program point L207(line 207) no Hoare annotation was computed. [2019-09-16 16:37:19,519 INFO L443 ceAbstractionStarter]: For program point L206(line 206) no Hoare annotation was computed. [2019-09-16 16:37:19,519 INFO L443 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2019-09-16 16:37:19,519 INFO L443 ceAbstractionStarter]: For program point L204(line 204) no Hoare annotation was computed. [2019-09-16 16:37:19,519 INFO L443 ceAbstractionStarter]: For program point L203(line 203) no Hoare annotation was computed. [2019-09-16 16:37:19,519 INFO L443 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2019-09-16 16:37:19,519 INFO L443 ceAbstractionStarter]: For program point L201(line 201) no Hoare annotation was computed. [2019-09-16 16:37:19,519 INFO L443 ceAbstractionStarter]: For program point L200(line 200) no Hoare annotation was computed. [2019-09-16 16:37:19,519 INFO L443 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2019-09-16 16:37:19,519 INFO L443 ceAbstractionStarter]: For program point L198(line 198) no Hoare annotation was computed. [2019-09-16 16:37:19,519 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 379 387) no Hoare annotation was computed. [2019-09-16 16:37:19,520 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 379 387) the Hoare annotation is: true [2019-09-16 16:37:19,520 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 379 387) no Hoare annotation was computed. [2019-09-16 16:37:19,520 INFO L443 ceAbstractionStarter]: For program point L450-1(line 450) no Hoare annotation was computed. [2019-09-16 16:37:19,520 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 443 461) the Hoare annotation is: true [2019-09-16 16:37:19,520 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 443 461) no Hoare annotation was computed. [2019-09-16 16:37:19,520 INFO L443 ceAbstractionStarter]: For program point L452(lines 452 456) no Hoare annotation was computed. [2019-09-16 16:37:19,520 INFO L446 ceAbstractionStarter]: At program point L450(line 450) the Hoare annotation is: true [2019-09-16 16:37:19,520 INFO L443 ceAbstractionStarter]: For program point L452-2(lines 452 456) no Hoare annotation was computed. [2019-09-16 16:37:19,520 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 443 461) no Hoare annotation was computed. [2019-09-16 16:37:19,521 INFO L443 ceAbstractionStarter]: For program point L418-1(line 418) no Hoare annotation was computed. [2019-09-16 16:37:19,521 INFO L443 ceAbstractionStarter]: For program point L407(lines 407 415) no Hoare annotation was computed. [2019-09-16 16:37:19,521 INFO L443 ceAbstractionStarter]: For program point L407-2(lines 407 415) no Hoare annotation was computed. [2019-09-16 16:37:19,521 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 388 423) no Hoare annotation was computed. [2019-09-16 16:37:19,521 INFO L443 ceAbstractionStarter]: For program point L395(lines 395 403) no Hoare annotation was computed. [2019-09-16 16:37:19,521 INFO L443 ceAbstractionStarter]: For program point L395-2(lines 395 403) no Hoare annotation was computed. [2019-09-16 16:37:19,521 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 388 423) no Hoare annotation was computed. [2019-09-16 16:37:19,521 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 388 423) no Hoare annotation was computed. [2019-09-16 16:37:19,521 INFO L443 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2019-09-16 16:37:19,522 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 539 545) no Hoare annotation was computed. [2019-09-16 16:37:19,522 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 539 545) the Hoare annotation is: true [2019-09-16 16:37:19,522 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 595 640) no Hoare annotation was computed. [2019-09-16 16:37:19,522 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 595 640) no Hoare annotation was computed. [2019-09-16 16:37:19,522 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 595 640) no Hoare annotation was computed. [2019-09-16 16:37:19,522 INFO L443 ceAbstractionStarter]: For program point L928(lines 928 935) no Hoare annotation was computed. [2019-09-16 16:37:19,522 INFO L443 ceAbstractionStarter]: For program point L922(lines 922 942) no Hoare annotation was computed. [2019-09-16 16:37:19,522 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 908 953) no Hoare annotation was computed. [2019-09-16 16:37:19,522 INFO L443 ceAbstractionStarter]: For program point L922-1(lines 922 942) no Hoare annotation was computed. [2019-09-16 16:37:19,523 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 908 953) no Hoare annotation was computed. [2019-09-16 16:37:19,523 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 908 953) no Hoare annotation was computed. [2019-09-16 16:37:19,523 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 225 234) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-09-16 16:37:19,523 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 225 234) no Hoare annotation was computed. [2019-09-16 16:37:19,523 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 225 234) no Hoare annotation was computed. [2019-09-16 16:37:19,523 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 368 378) no Hoare annotation was computed. [2019-09-16 16:37:19,523 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 368 378) no Hoare annotation was computed. [2019-09-16 16:37:19,523 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 368 378) no Hoare annotation was computed. [2019-09-16 16:37:19,523 INFO L443 ceAbstractionStarter]: For program point L373(line 373) no Hoare annotation was computed. [2019-09-16 16:37:19,524 INFO L443 ceAbstractionStarter]: For program point L373-1(line 373) no Hoare annotation was computed. [2019-09-16 16:37:19,524 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 360 367) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= ~systemActive~0 1)) (= 0 |old(~pumpRunning~0)|)) [2019-09-16 16:37:19,524 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 360 367) no Hoare annotation was computed. [2019-09-16 16:37:19,524 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 360 367) no Hoare annotation was computed. [2019-09-16 16:37:19,524 INFO L443 ceAbstractionStarter]: For program point L140(lines 140 146) no Hoare annotation was computed. [2019-09-16 16:37:19,524 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 136 149) no Hoare annotation was computed. [2019-09-16 16:37:19,524 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 136 149) the Hoare annotation is: true [2019-09-16 16:37:19,524 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 136 149) no Hoare annotation was computed. [2019-09-16 16:37:19,525 INFO L439 ceAbstractionStarter]: At program point L346(line 346) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (= 0 |old(~pumpRunning~0)|)) (or (= ~pumpRunning~0 0) .cse0 .cse1))) [2019-09-16 16:37:19,525 INFO L443 ceAbstractionStarter]: For program point L346-1(lines 327 351) no Hoare annotation was computed. [2019-09-16 16:37:19,525 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 327 351) no Hoare annotation was computed. [2019-09-16 16:37:19,525 INFO L439 ceAbstractionStarter]: At program point L341(line 341) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= ~systemActive~0 1))) [2019-09-16 16:37:19,525 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 327 351) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= ~systemActive~0 1))) [2019-09-16 16:37:19,525 INFO L439 ceAbstractionStarter]: At program point L337(line 337) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 1 processEnvironment_~tmp~2)) .cse0 .cse1))) [2019-09-16 16:37:19,526 INFO L443 ceAbstractionStarter]: For program point L335(lines 335 343) no Hoare annotation was computed. [2019-09-16 16:37:19,526 INFO L439 ceAbstractionStarter]: At program point L333(line 333) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2019-09-16 16:37:19,526 INFO L443 ceAbstractionStarter]: For program point L333-1(line 333) no Hoare annotation was computed. [2019-09-16 16:37:19,526 INFO L443 ceAbstractionStarter]: For program point L331(lines 331 348) no Hoare annotation was computed. [2019-09-16 16:37:19,526 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 293 299) no Hoare annotation was computed. [2019-09-16 16:37:19,526 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 293 299) the Hoare annotation is: true [2019-09-16 16:37:19,526 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 463 526) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-09-16 16:37:19,527 INFO L443 ceAbstractionStarter]: For program point L475(lines 475 479) no Hoare annotation was computed. [2019-09-16 16:37:19,527 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 463 526) no Hoare annotation was computed. [2019-09-16 16:37:19,527 INFO L439 ceAbstractionStarter]: At program point L519(lines 472 520) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-09-16 16:37:19,527 INFO L443 ceAbstractionStarter]: For program point L509(lines 509 513) no Hoare annotation was computed. [2019-09-16 16:37:19,527 INFO L439 ceAbstractionStarter]: At program point L509-2(lines 503 514) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (and (<= 2 ~waterLevel~0) .cse0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)))) [2019-09-16 16:37:19,527 INFO L443 ceAbstractionStarter]: For program point L474(lines 473 518) no Hoare annotation was computed. [2019-09-16 16:37:19,527 INFO L443 ceAbstractionStarter]: For program point L503(lines 503 514) no Hoare annotation was computed. [2019-09-16 16:37:19,527 INFO L439 ceAbstractionStarter]: At program point L495(line 495) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (and (<= 2 ~waterLevel~0) .cse0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)))) [2019-09-16 16:37:19,528 INFO L443 ceAbstractionStarter]: For program point L493(lines 493 499) no Hoare annotation was computed. [2019-09-16 16:37:19,528 INFO L443 ceAbstractionStarter]: For program point L493-1(lines 493 499) no Hoare annotation was computed. [2019-09-16 16:37:19,528 INFO L439 ceAbstractionStarter]: At program point L485(line 485) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= ~systemActive~0 1)) (and (<= 2 ~waterLevel~0) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0)))) [2019-09-16 16:37:19,528 INFO L439 ceAbstractionStarter]: At program point L516(lines 473 518) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0)))) [2019-09-16 16:37:19,528 INFO L443 ceAbstractionStarter]: For program point L483(lines 483 489) no Hoare annotation was computed. [2019-09-16 16:37:19,528 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 463 526) no Hoare annotation was computed. [2019-09-16 16:37:19,528 INFO L443 ceAbstractionStarter]: For program point L483-1(lines 483 489) no Hoare annotation was computed. [2019-09-16 16:37:19,528 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 862 907) no Hoare annotation was computed. [2019-09-16 16:37:19,529 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 862 907) no Hoare annotation was computed. [2019-09-16 16:37:19,529 INFO L443 ceAbstractionStarter]: For program point L882(lines 882 889) no Hoare annotation was computed. [2019-09-16 16:37:19,529 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 862 907) no Hoare annotation was computed. [2019-09-16 16:37:19,529 INFO L443 ceAbstractionStarter]: For program point L876(lines 876 896) no Hoare annotation was computed. [2019-09-16 16:37:19,529 INFO L443 ceAbstractionStarter]: For program point L876-1(lines 876 896) no Hoare annotation was computed. [2019-09-16 16:37:19,529 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 150 158) no Hoare annotation was computed. [2019-09-16 16:37:19,529 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 150 158) the Hoare annotation is: true [2019-09-16 16:37:19,529 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 150 158) no Hoare annotation was computed. [2019-09-16 16:37:19,529 INFO L443 ceAbstractionStarter]: For program point L112(lines 112 120) no Hoare annotation was computed. [2019-09-16 16:37:19,530 INFO L443 ceAbstractionStarter]: For program point L112-2(lines 112 120) no Hoare annotation was computed. [2019-09-16 16:37:19,530 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 104 126) no Hoare annotation was computed. [2019-09-16 16:37:19,530 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 104 126) no Hoare annotation was computed. [2019-09-16 16:37:19,530 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 104 126) no Hoare annotation was computed. [2019-09-16 16:37:19,530 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 529 538) no Hoare annotation was computed. [2019-09-16 16:37:19,530 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 529 538) no Hoare annotation was computed. [2019-09-16 16:37:19,530 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 529 538) no Hoare annotation was computed. [2019-09-16 16:37:19,530 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 759 861) no Hoare annotation was computed. [2019-09-16 16:37:19,530 INFO L443 ceAbstractionStarter]: For program point L824(line 824) no Hoare annotation was computed. [2019-09-16 16:37:19,531 INFO L443 ceAbstractionStarter]: For program point L824-1(line 824) no Hoare annotation was computed. [2019-09-16 16:37:19,531 INFO L443 ceAbstractionStarter]: For program point L783(lines 783 787) no Hoare annotation was computed. [2019-09-16 16:37:19,531 INFO L443 ceAbstractionStarter]: For program point L847(lines 847 858) no Hoare annotation was computed. [2019-09-16 16:37:19,531 INFO L443 ceAbstractionStarter]: For program point L810(lines 810 814) no Hoare annotation was computed. [2019-09-16 16:37:19,531 INFO L443 ceAbstractionStarter]: For program point L808-2(lines 808 828) no Hoare annotation was computed. [2019-09-16 16:37:19,531 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 759 861) no Hoare annotation was computed. [2019-09-16 16:37:19,531 INFO L443 ceAbstractionStarter]: For program point L829(lines 807 830) no Hoare annotation was computed. [2019-09-16 16:37:19,531 INFO L443 ceAbstractionStarter]: For program point L788(lines 788 804) no Hoare annotation was computed. [2019-09-16 16:37:19,531 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 759 861) no Hoare annotation was computed. [2019-09-16 16:37:19,532 INFO L443 ceAbstractionStarter]: For program point L848(lines 848 855) no Hoare annotation was computed. [2019-09-16 16:37:19,532 INFO L443 ceAbstractionStarter]: For program point L809(lines 808 828) no Hoare annotation was computed. [2019-09-16 16:37:19,532 INFO L443 ceAbstractionStarter]: For program point L840(line 840) no Hoare annotation was computed. [2019-09-16 16:37:19,532 INFO L443 ceAbstractionStarter]: For program point L840-1(line 840) no Hoare annotation was computed. [2019-09-16 16:37:19,532 INFO L443 ceAbstractionStarter]: For program point L805(lines 805 846) no Hoare annotation was computed. [2019-09-16 16:37:19,532 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-09-16 16:37:19,532 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) [2019-09-16 16:37:19,532 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-09-16 16:37:19,532 INFO L443 ceAbstractionStarter]: For program point activatePumpFINAL(lines 352 359) no Hoare annotation was computed. [2019-09-16 16:37:19,533 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 352 359) no Hoare annotation was computed. [2019-09-16 16:37:19,533 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 352 359) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 2 ~waterLevel~0)) (not (= ~systemActive~0 1)) (= ~pumpRunning~0 0)) [2019-09-16 16:37:19,533 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 127 135) the Hoare annotation is: true [2019-09-16 16:37:19,533 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 127 135) no Hoare annotation was computed. [2019-09-16 16:37:19,533 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 127 135) no Hoare annotation was computed. [2019-09-16 16:37:19,533 INFO L443 ceAbstractionStarter]: For program point L433(lines 433 437) no Hoare annotation was computed. [2019-09-16 16:37:19,533 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 424 442) no Hoare annotation was computed. [2019-09-16 16:37:19,533 INFO L446 ceAbstractionStarter]: At program point L431(line 431) the Hoare annotation is: true [2019-09-16 16:37:19,534 INFO L443 ceAbstractionStarter]: For program point L433-2(lines 433 437) no Hoare annotation was computed. [2019-09-16 16:37:19,534 INFO L443 ceAbstractionStarter]: For program point L431-1(line 431) no Hoare annotation was computed. [2019-09-16 16:37:19,534 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 424 442) the Hoare annotation is: true [2019-09-16 16:37:19,534 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 424 442) no Hoare annotation was computed. [2019-09-16 16:37:19,534 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 83 94) the Hoare annotation is: true [2019-09-16 16:37:19,534 INFO L443 ceAbstractionStarter]: For program point L87-1(lines 83 94) no Hoare annotation was computed. [2019-09-16 16:37:19,534 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 83 94) no Hoare annotation was computed. [2019-09-16 16:37:19,534 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-09-16 16:37:19,534 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-09-16 16:37:19,534 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-09-16 16:37:19,535 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalENTRY(lines 95 103) no Hoare annotation was computed. [2019-09-16 16:37:19,535 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 95 103) no Hoare annotation was computed. [2019-09-16 16:37:19,535 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 95 103) no Hoare annotation was computed. [2019-09-16 16:37:19,535 INFO L439 ceAbstractionStarter]: At program point L282(line 282) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0) (not (<= 1 |old(~waterLevel~0)|)) .cse1) (let ((.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (or (and .cse2 .cse0) (let ((.cse3 (+ ~waterLevel~0 1))) (and (<= .cse3 |old(~waterLevel~0)|) .cse2 (<= |old(~waterLevel~0)| .cse3))) (or (not (<= 2 |old(~waterLevel~0)|)) .cse1))))) [2019-09-16 16:37:19,535 INFO L439 ceAbstractionStarter]: At program point L280(lines 280 286) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse2 (= ~pumpRunning~0 0))) (and (or (let ((.cse1 (+ ~waterLevel~0 1))) (and .cse0 (<= .cse1 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| .cse1) .cse2)) (= |old(~waterLevel~0)| ~waterLevel~0) (or (not (<= 2 |old(~waterLevel~0)|)) .cse3)) (or (not (< |old(~waterLevel~0)| 2)) .cse0 (not (<= 1 |old(~waterLevel~0)|)) .cse3 (and (<= 1 ~waterLevel~0) .cse2 (< ~waterLevel~0 2))))) [2019-09-16 16:37:19,535 INFO L439 ceAbstractionStarter]: At program point L275(line 275) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (or (not (<= 2 |old(~waterLevel~0)|)) .cse0)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) .cse0))) [2019-09-16 16:37:19,536 INFO L443 ceAbstractionStarter]: For program point L273(lines 272 291) no Hoare annotation was computed. [2019-09-16 16:37:19,536 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 269 292) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 0)) (not (<= 1 |old(~waterLevel~0)|)) .cse1) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) (or (not (<= 2 |old(~waterLevel~0)|)) .cse1)))) [2019-09-16 16:37:19,536 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 269 292) no Hoare annotation was computed. [2019-09-16 16:37:19,536 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 269 292) no Hoare annotation was computed. [2019-09-16 16:37:19,536 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 162 191) no Hoare annotation was computed. [2019-09-16 16:37:19,536 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 162 191) the Hoare annotation is: true [2019-09-16 16:37:19,536 INFO L446 ceAbstractionStarter]: At program point L187(lines 162 191) the Hoare annotation is: true [2019-09-16 16:37:19,536 INFO L443 ceAbstractionStarter]: For program point L183(line 183) no Hoare annotation was computed. [2019-09-16 16:37:19,537 INFO L443 ceAbstractionStarter]: For program point L176(lines 176 180) no Hoare annotation was computed. [2019-09-16 16:37:19,537 INFO L446 ceAbstractionStarter]: At program point L176-1(lines 176 180) the Hoare annotation is: true [2019-09-16 16:37:19,537 INFO L443 ceAbstractionStarter]: For program point L173(line 173) no Hoare annotation was computed. [2019-09-16 16:37:19,537 INFO L446 ceAbstractionStarter]: At program point L172-2(lines 172 186) the Hoare annotation is: true [2019-09-16 16:37:19,537 INFO L446 ceAbstractionStarter]: At program point L168(line 168) the Hoare annotation is: true [2019-09-16 16:37:19,537 INFO L443 ceAbstractionStarter]: For program point L168-1(line 168) no Hoare annotation was computed. [2019-09-16 16:37:19,537 INFO L439 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 59 70) the Hoare annotation is: (or (or (not (= ~systemActive~0 1)) (= 0 ~pumpRunning~0)) (not (<= 2 |old(~waterLevel~0)|)) (= |old(~waterLevel~0)| ~waterLevel~0)) [2019-09-16 16:37:19,537 INFO L443 ceAbstractionStarter]: For program point L63-1(lines 59 70) no Hoare annotation was computed. [2019-09-16 16:37:19,538 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 59 70) no Hoare annotation was computed. [2019-09-16 16:37:19,538 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 217 223) no Hoare annotation was computed. [2019-09-16 16:37:19,538 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 217 223) the Hoare annotation is: true [2019-09-16 16:37:19,538 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-09-16 16:37:19,538 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2)) [2019-09-16 16:37:19,538 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-09-16 16:37:19,538 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-09-16 16:37:19,538 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 301 325) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (<= 1 ~waterLevel~0)) (not (= ~systemActive~0 1))) [2019-09-16 16:37:19,539 INFO L439 ceAbstractionStarter]: At program point L320(line 320) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~waterLevel~0)) (not (= ~systemActive~0 1))) [2019-09-16 16:37:19,539 INFO L443 ceAbstractionStarter]: For program point L320-1(lines 301 325) no Hoare annotation was computed. [2019-09-16 16:37:19,539 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 301 325) no Hoare annotation was computed. [2019-09-16 16:37:19,539 INFO L439 ceAbstractionStarter]: At program point L315(line 315) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~1) (= ~pumpRunning~0 0)) (not (<= 1 ~waterLevel~0)) (not (= ~systemActive~0 1))) [2019-09-16 16:37:19,539 INFO L439 ceAbstractionStarter]: At program point L311(line 311) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~waterLevel~0)) (not (= ~systemActive~0 1)) (and (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0))) [2019-09-16 16:37:19,539 INFO L443 ceAbstractionStarter]: For program point L309(lines 309 317) no Hoare annotation was computed. [2019-09-16 16:37:19,539 INFO L439 ceAbstractionStarter]: At program point L307(line 307) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (<= 1 ~waterLevel~0)) (not (= ~systemActive~0 1))) [2019-09-16 16:37:19,540 INFO L443 ceAbstractionStarter]: For program point L307-1(line 307) no Hoare annotation was computed. [2019-09-16 16:37:19,540 INFO L443 ceAbstractionStarter]: For program point L305(lines 305 322) no Hoare annotation was computed. [2019-09-16 16:37:19,540 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 71 82) no Hoare annotation was computed. [2019-09-16 16:37:19,540 INFO L443 ceAbstractionStarter]: For program point L75-1(lines 71 82) no Hoare annotation was computed. [2019-09-16 16:37:19,540 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 71 82) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (<= 1 |old(~waterLevel~0)|)) (or (not (= 0 ~pumpRunning~0)) .cse1)) (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|))))) [2019-09-16 16:37:19,540 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2019-09-16 16:37:19,540 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2019-09-16 16:37:19,540 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-09-16 16:37:19,540 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2019-09-16 16:37:19,555 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 04:37:19 BoogieIcfgContainer [2019-09-16 16:37:19,555 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-16 16:37:19,557 INFO L168 Benchmark]: Toolchain (without parser) took 17642.18 ms. Allocated memory was 133.7 MB in the beginning and 530.1 MB in the end (delta: 396.4 MB). Free memory was 87.1 MB in the beginning and 421.0 MB in the end (delta: -333.9 MB). Peak memory consumption was 408.5 MB. Max. memory is 7.1 GB. [2019-09-16 16:37:19,558 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 133.7 MB. Free memory was 106.7 MB in the beginning and 106.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-16 16:37:19,559 INFO L168 Benchmark]: CACSL2BoogieTranslator took 664.93 ms. Allocated memory was 133.7 MB in the beginning and 199.8 MB in the end (delta: 66.1 MB). Free memory was 86.9 MB in the beginning and 164.1 MB in the end (delta: -77.2 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. [2019-09-16 16:37:19,560 INFO L168 Benchmark]: Boogie Preprocessor took 107.32 ms. Allocated memory is still 199.8 MB. Free memory was 164.1 MB in the beginning and 160.0 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2019-09-16 16:37:19,561 INFO L168 Benchmark]: RCFGBuilder took 1237.61 ms. Allocated memory was 199.8 MB in the beginning and 226.0 MB in the end (delta: 26.2 MB). Free memory was 160.0 MB in the beginning and 192.3 MB in the end (delta: -32.3 MB). Peak memory consumption was 87.6 MB. Max. memory is 7.1 GB. [2019-09-16 16:37:19,561 INFO L168 Benchmark]: TraceAbstraction took 15627.87 ms. Allocated memory was 226.0 MB in the beginning and 530.1 MB in the end (delta: 304.1 MB). Free memory was 192.3 MB in the beginning and 421.0 MB in the end (delta: -228.7 MB). Peak memory consumption was 421.4 MB. Max. memory is 7.1 GB. [2019-09-16 16:37:19,565 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 133.7 MB. Free memory was 106.7 MB in the beginning and 106.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 664.93 ms. Allocated memory was 133.7 MB in the beginning and 199.8 MB in the end (delta: 66.1 MB). Free memory was 86.9 MB in the beginning and 164.1 MB in the end (delta: -77.2 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 107.32 ms. Allocated memory is still 199.8 MB. Free memory was 164.1 MB in the beginning and 160.0 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1237.61 ms. Allocated memory was 199.8 MB in the beginning and 226.0 MB in the end (delta: 26.2 MB). Free memory was 160.0 MB in the beginning and 192.3 MB in the end (delta: -32.3 MB). Peak memory consumption was 87.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 15627.87 ms. Allocated memory was 226.0 MB in the beginning and 530.1 MB in the end (delta: 304.1 MB). Free memory was 192.3 MB in the beginning and 421.0 MB in the end (delta: -228.7 MB). Peak memory consumption was 421.4 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: 162]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 473]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || (2 <= waterLevel && 0 == splverifierCounter)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || ((0 == splverifierCounter && 1 <= waterLevel) && pumpRunning == 0) - InvariantResult [Line: 472]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 235 locations, 1 error locations. SAFE Result, 15.5s OverallTime, 12 OverallIterations, 3 TraceHistogramMax, 8.1s AutomataDifference, 0.0s DeadEndRemovalTime, 2.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 1902 SDtfs, 2319 SDslu, 6230 SDs, 0 SdLazy, 5930 SolverSat, 1291 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 952 GetRequests, 811 SyntacticMatches, 0 SemanticMatches, 141 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 442 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=937occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 12 MinimizatonAttempts, 334 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 58 LocationsWithAnnotation, 1938 PreInvPairs, 1986 NumberOfFragments, 856 HoareAnnotationTreeSize, 1938 FomulaSimplifications, 4875 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 58 FomulaSimplificationsInter, 5427 FormulaSimplificationTreeSizeReductionInter, 2.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 2106 NumberOfCodeBlocks, 2106 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 2089 ConstructedInterpolants, 0 QuantifiedInterpolants, 439697 SizeOfPredicates, 17 NumberOfNonLiveVariables, 4413 ConjunctsInSsa, 51 ConjunctsInUnsatCore, 17 InterpolantComputations, 11 PerfectInterpolantSequences, 589/644 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...