/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product20.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 10:45:44,744 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 10:45:44,747 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 10:45:44,765 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 10:45:44,766 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 10:45:44,768 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 10:45:44,769 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 10:45:44,782 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 10:45:44,784 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 10:45:44,785 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 10:45:44,786 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 10:45:44,787 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 10:45:44,788 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 10:45:44,791 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 10:45:44,793 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 10:45:44,795 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 10:45:44,797 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 10:45:44,799 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 10:45:44,800 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 10:45:44,806 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 10:45:44,810 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 10:45:44,811 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 10:45:44,813 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 10:45:44,814 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 10:45:44,816 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-07 10:45:44,816 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-07 10:45:44,816 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-07 10:45:44,821 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-07 10:45:44,821 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-07 10:45:44,823 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-07 10:45:44,824 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-07 10:45:44,824 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-07 10:45:44,826 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-07 10:45:44,826 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-07 10:45:44,829 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-07 10:45:44,829 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-07 10:45:44,831 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-07 10:45:44,832 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-07 10:45:44,832 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 10:45:44,833 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 10:45:44,834 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 10:45:44,835 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-07 10:45:44,853 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 10:45:44,854 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 10:45:44,856 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-07 10:45:44,856 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-07 10:45:44,856 INFO L138 SettingsManager]: * Use SBE=true [2020-07-07 10:45:44,856 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 10:45:44,857 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 10:45:44,857 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 10:45:44,857 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 10:45:44,857 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 10:45:44,858 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 10:45:44,859 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 10:45:44,859 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 10:45:44,859 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 10:45:44,859 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 10:45:44,860 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 10:45:44,860 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 10:45:44,860 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 10:45:44,860 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-07 10:45:44,861 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 10:45:44,861 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 10:45:44,861 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 10:45:44,861 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 10:45:44,861 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-07 10:45:44,862 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-07 10:45:44,862 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-07 10:45:44,862 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-07 10:45:44,862 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 10:45:44,862 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-07 10:45:44,863 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-07 10:45:45,160 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 10:45:45,172 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 10:45:45,175 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 10:45:45,176 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 10:45:45,176 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 10:45:45,177 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product20.cil.c [2020-07-07 10:45:45,232 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a94a23e5/9aecd2ed72f8464993a97cbdd0accf11/FLAGf96995bee [2020-07-07 10:45:45,773 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 10:45:45,773 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product20.cil.c [2020-07-07 10:45:45,787 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a94a23e5/9aecd2ed72f8464993a97cbdd0accf11/FLAGf96995bee [2020-07-07 10:45:46,055 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a94a23e5/9aecd2ed72f8464993a97cbdd0accf11 [2020-07-07 10:45:46,063 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 10:45:46,065 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 10:45:46,066 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 10:45:46,066 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 10:45:46,069 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 10:45:46,070 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:45:46" (1/1) ... [2020-07-07 10:45:46,073 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17da9069 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:45:46, skipping insertion in model container [2020-07-07 10:45:46,073 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:45:46" (1/1) ... [2020-07-07 10:45:46,080 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 10:45:46,136 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 10:45:46,544 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:45:46,558 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 10:45:46,682 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:45:46,717 INFO L208 MainTranslator]: Completed translation [2020-07-07 10:45:46,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:45:46 WrapperNode [2020-07-07 10:45:46,718 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 10:45:46,718 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 10:45:46,718 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 10:45:46,719 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 10:45:46,730 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:45:46" (1/1) ... [2020-07-07 10:45:46,730 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:45:46" (1/1) ... [2020-07-07 10:45:46,748 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:45:46" (1/1) ... [2020-07-07 10:45:46,749 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:45:46" (1/1) ... [2020-07-07 10:45:46,780 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:45:46" (1/1) ... [2020-07-07 10:45:46,790 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:45:46" (1/1) ... [2020-07-07 10:45:46,795 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:45:46" (1/1) ... [2020-07-07 10:45:46,802 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 10:45:46,803 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 10:45:46,803 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 10:45:46,803 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 10:45:46,804 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:45:46" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 10:45:46,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 10:45:46,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 10:45:46,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-07 10:45:46,863 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-07 10:45:46,863 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-07 10:45:46,863 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-07 10:45:46,863 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-07 10:45:46,863 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-07 10:45:46,864 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-07 10:45:46,864 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-07 10:45:46,864 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-07 10:45:46,864 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-07 10:45:46,864 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-07 10:45:46,864 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-07 10:45:46,864 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-07 10:45:46,865 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-07 10:45:46,865 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-07 10:45:46,865 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-07 10:45:46,865 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 10:45:46,865 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-07 10:45:46,865 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-07 10:45:46,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-07 10:45:46,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-07 10:45:46,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-07 10:45:46,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-07 10:45:46,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-07 10:45:46,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-07-07 10:45:46,866 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-07 10:45:46,867 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-07 10:45:46,867 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-07 10:45:46,867 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-07 10:45:46,867 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-07 10:45:46,867 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-07 10:45:46,867 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-07 10:45:46,868 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-07 10:45:46,868 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-07 10:45:46,868 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-07 10:45:46,868 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-07 10:45:46,868 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-07 10:45:46,868 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 10:45:46,869 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-07 10:45:46,869 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-07 10:45:46,869 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-07 10:45:46,869 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-07 10:45:46,869 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-07 10:45:46,869 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-07 10:45:46,869 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-07 10:45:46,870 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-07 10:45:46,870 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-07 10:45:46,870 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-07 10:45:46,870 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-07 10:45:46,870 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-07 10:45:46,870 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-07 10:45:46,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-07 10:45:46,871 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-07 10:45:46,871 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-07 10:45:46,871 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-07 10:45:46,871 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-07 10:45:46,871 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-07 10:45:46,871 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-07 10:45:46,872 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-07 10:45:46,872 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 10:45:46,872 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-07 10:45:46,872 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-07 10:45:46,872 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-07 10:45:46,872 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-07 10:45:46,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-07 10:45:46,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-07 10:45:46,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-07 10:45:46,873 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-07 10:45:46,873 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-07 10:45:46,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-07 10:45:46,873 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-07 10:45:46,874 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-07 10:45:46,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-07 10:45:46,874 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-07 10:45:46,874 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-07 10:45:46,874 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-07 10:45:46,874 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-07 10:45:46,875 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-07 10:45:46,875 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-07-07 10:45:46,875 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-07 10:45:46,875 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-07 10:45:46,875 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-07 10:45:46,875 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-07 10:45:46,876 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-07 10:45:46,876 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-07 10:45:46,876 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-07 10:45:46,876 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-07 10:45:46,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 10:45:46,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-07 10:45:46,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 10:45:47,881 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 10:45:47,881 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-07 10:45:47,886 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:45:47 BoogieIcfgContainer [2020-07-07 10:45:47,886 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 10:45:47,887 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 10:45:47,887 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 10:45:47,890 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 10:45:47,891 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 10:45:46" (1/3) ... [2020-07-07 10:45:47,892 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ef190c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:45:47, skipping insertion in model container [2020-07-07 10:45:47,892 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:45:46" (2/3) ... [2020-07-07 10:45:47,892 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ef190c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:45:47, skipping insertion in model container [2020-07-07 10:45:47,892 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:45:47" (3/3) ... [2020-07-07 10:45:47,894 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product20.cil.c [2020-07-07 10:45:47,903 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-07 10:45:47,909 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 10:45:47,920 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 10:45:47,939 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 10:45:47,940 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 10:45:47,940 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-07 10:45:47,940 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 10:45:47,940 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 10:45:47,940 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 10:45:47,940 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 10:45:47,941 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 10:45:47,960 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states. [2020-07-07 10:45:47,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-07 10:45:47,968 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:45:47,970 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:45:47,970 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:45:47,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:45:47,975 INFO L82 PathProgramCache]: Analyzing trace with hash -1999815947, now seen corresponding path program 1 times [2020-07-07 10:45:47,984 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:45:47,984 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356356835] [2020-07-07 10:45:47,985 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:45:48,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:48,665 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:45:48,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:48,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:48,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:48,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:48,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:48,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:48,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:48,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:45:48,744 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356356835] [2020-07-07 10:45:48,745 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:45:48,746 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-07 10:45:48,747 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268656013] [2020-07-07 10:45:48,754 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-07 10:45:48,754 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:45:48,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-07 10:45:48,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-07 10:45:48,780 INFO L87 Difference]: Start difference. First operand 157 states. Second operand 3 states. [2020-07-07 10:45:49,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:45:49,803 INFO L93 Difference]: Finished difference Result 270 states and 356 transitions. [2020-07-07 10:45:49,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-07 10:45:49,806 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-07-07 10:45:49,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:45:49,819 INFO L225 Difference]: With dead ends: 270 [2020-07-07 10:45:49,819 INFO L226 Difference]: Without dead ends: 147 [2020-07-07 10:45:49,824 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-07 10:45:49,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2020-07-07 10:45:49,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 114. [2020-07-07 10:45:49,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-07-07 10:45:49,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 133 transitions. [2020-07-07 10:45:49,905 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 133 transitions. Word has length 46 [2020-07-07 10:45:49,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:45:49,905 INFO L479 AbstractCegarLoop]: Abstraction has 114 states and 133 transitions. [2020-07-07 10:45:49,906 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-07 10:45:49,906 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 133 transitions. [2020-07-07 10:45:49,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-07 10:45:49,909 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:45:49,909 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:45:49,910 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-07 10:45:49,910 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:45:49,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:45:49,910 INFO L82 PathProgramCache]: Analyzing trace with hash 2091613530, now seen corresponding path program 1 times [2020-07-07 10:45:49,911 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:45:49,911 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994575124] [2020-07-07 10:45:49,911 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:45:49,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:50,275 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:45:50,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:50,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:50,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:50,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:50,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:50,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:50,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:50,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:45:50,338 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994575124] [2020-07-07 10:45:50,338 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:45:50,338 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-07 10:45:50,338 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073398422] [2020-07-07 10:45:50,340 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-07 10:45:50,340 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:45:50,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-07 10:45:50,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-07 10:45:50,341 INFO L87 Difference]: Start difference. First operand 114 states and 133 transitions. Second operand 4 states. [2020-07-07 10:45:50,764 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:45:51,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:45:51,416 INFO L93 Difference]: Finished difference Result 193 states and 235 transitions. [2020-07-07 10:45:51,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-07 10:45:51,416 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-07-07 10:45:51,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:45:51,419 INFO L225 Difference]: With dead ends: 193 [2020-07-07 10:45:51,419 INFO L226 Difference]: Without dead ends: 131 [2020-07-07 10:45:51,421 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-07 10:45:51,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2020-07-07 10:45:51,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 105. [2020-07-07 10:45:51,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2020-07-07 10:45:51,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 121 transitions. [2020-07-07 10:45:51,457 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 121 transitions. Word has length 47 [2020-07-07 10:45:51,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:45:51,457 INFO L479 AbstractCegarLoop]: Abstraction has 105 states and 121 transitions. [2020-07-07 10:45:51,457 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-07 10:45:51,457 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 121 transitions. [2020-07-07 10:45:51,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-07 10:45:51,459 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:45:51,460 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:45:51,460 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-07 10:45:51,460 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:45:51,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:45:51,460 INFO L82 PathProgramCache]: Analyzing trace with hash 969654456, now seen corresponding path program 1 times [2020-07-07 10:45:51,461 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:45:51,461 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143368403] [2020-07-07 10:45:51,461 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:45:51,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:51,757 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:45:51,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:51,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:51,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:51,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:51,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:51,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:51,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:51,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:45:51,876 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143368403] [2020-07-07 10:45:51,877 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:45:51,877 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-07 10:45:51,877 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774188759] [2020-07-07 10:45:51,878 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 10:45:51,878 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:45:51,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 10:45:51,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-07 10:45:51,879 INFO L87 Difference]: Start difference. First operand 105 states and 121 transitions. Second operand 8 states. [2020-07-07 10:45:52,276 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:45:52,566 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:45:52,791 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:45:53,035 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:45:53,685 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:45:55,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:45:55,032 INFO L93 Difference]: Finished difference Result 366 states and 454 transitions. [2020-07-07 10:45:55,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-07 10:45:55,033 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2020-07-07 10:45:55,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:45:55,038 INFO L225 Difference]: With dead ends: 366 [2020-07-07 10:45:55,038 INFO L226 Difference]: Without dead ends: 285 [2020-07-07 10:45:55,043 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-07-07 10:45:55,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2020-07-07 10:45:55,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 224. [2020-07-07 10:45:55,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2020-07-07 10:45:55,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 270 transitions. [2020-07-07 10:45:55,156 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 270 transitions. Word has length 52 [2020-07-07 10:45:55,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:45:55,156 INFO L479 AbstractCegarLoop]: Abstraction has 224 states and 270 transitions. [2020-07-07 10:45:55,157 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 10:45:55,157 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 270 transitions. [2020-07-07 10:45:55,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-07 10:45:55,166 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:45:55,166 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:45:55,167 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-07 10:45:55,167 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:45:55,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:45:55,168 INFO L82 PathProgramCache]: Analyzing trace with hash 1151197578, now seen corresponding path program 1 times [2020-07-07 10:45:55,171 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:45:55,171 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056073593] [2020-07-07 10:45:55,172 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:45:55,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:55,512 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:45:55,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:55,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:55,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:55,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:55,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:55,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:55,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:55,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:45:55,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:45:55,667 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056073593] [2020-07-07 10:45:55,667 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:45:55,667 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-07 10:45:55,667 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600499828] [2020-07-07 10:45:55,668 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-07 10:45:55,668 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:45:55,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-07 10:45:55,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-07-07 10:45:55,669 INFO L87 Difference]: Start difference. First operand 224 states and 270 transitions. Second operand 12 states. [2020-07-07 10:45:56,169 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:45:56,478 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:45:56,733 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:45:56,962 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:45:57,462 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:45:58,247 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:45:58,582 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:45:58,871 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:45:59,151 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:45:59,389 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:45:59,695 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:45:59,974 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:46:00,227 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:46:01,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:46:01,251 INFO L93 Difference]: Finished difference Result 891 states and 1198 transitions. [2020-07-07 10:46:01,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-07-07 10:46:01,252 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 57 [2020-07-07 10:46:01,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:46:01,259 INFO L225 Difference]: With dead ends: 891 [2020-07-07 10:46:01,259 INFO L226 Difference]: Without dead ends: 691 [2020-07-07 10:46:01,263 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2020-07-07 10:46:01,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 691 states. [2020-07-07 10:46:01,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 691 to 594. [2020-07-07 10:46:01,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 594 states. [2020-07-07 10:46:01,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 594 states and 736 transitions. [2020-07-07 10:46:01,400 INFO L78 Accepts]: Start accepts. Automaton has 594 states and 736 transitions. Word has length 57 [2020-07-07 10:46:01,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:46:01,401 INFO L479 AbstractCegarLoop]: Abstraction has 594 states and 736 transitions. [2020-07-07 10:46:01,401 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-07 10:46:01,401 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 736 transitions. [2020-07-07 10:46:01,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-07-07 10:46:01,404 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:46:01,404 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:46:01,404 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-07 10:46:01,404 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:46:01,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:46:01,405 INFO L82 PathProgramCache]: Analyzing trace with hash 1679599728, now seen corresponding path program 1 times [2020-07-07 10:46:01,405 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:46:01,405 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409389826] [2020-07-07 10:46:01,405 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:46:01,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:01,659 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:46:01,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:01,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:01,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:01,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:01,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:01,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:01,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:01,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:01,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:01,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:46:01,730 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409389826] [2020-07-07 10:46:01,730 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:46:01,731 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-07 10:46:01,731 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533738780] [2020-07-07 10:46:01,731 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-07 10:46:01,731 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:46:01,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-07 10:46:01,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-07 10:46:01,732 INFO L87 Difference]: Start difference. First operand 594 states and 736 transitions. Second operand 6 states. [2020-07-07 10:46:02,098 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:46:02,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:46:02,867 INFO L93 Difference]: Finished difference Result 1039 states and 1358 transitions. [2020-07-07 10:46:02,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-07 10:46:02,868 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2020-07-07 10:46:02,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:46:02,871 INFO L225 Difference]: With dead ends: 1039 [2020-07-07 10:46:02,872 INFO L226 Difference]: Without dead ends: 469 [2020-07-07 10:46:02,875 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2020-07-07 10:46:02,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2020-07-07 10:46:02,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 402. [2020-07-07 10:46:02,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 402 states. [2020-07-07 10:46:02,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 461 transitions. [2020-07-07 10:46:02,947 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 461 transitions. Word has length 61 [2020-07-07 10:46:02,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:46:02,947 INFO L479 AbstractCegarLoop]: Abstraction has 402 states and 461 transitions. [2020-07-07 10:46:02,947 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-07 10:46:02,947 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 461 transitions. [2020-07-07 10:46:02,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-07-07 10:46:02,950 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:46:02,950 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:46:02,950 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-07 10:46:02,951 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:46:02,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:46:02,951 INFO L82 PathProgramCache]: Analyzing trace with hash 1114958929, now seen corresponding path program 1 times [2020-07-07 10:46:02,951 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:46:02,951 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057251561] [2020-07-07 10:46:02,952 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:46:02,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:03,246 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:46:03,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:03,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:03,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:03,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:03,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:03,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:03,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:03,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:03,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:03,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:03,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:03,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:03,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:03,417 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 13 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-07-07 10:46:03,418 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057251561] [2020-07-07 10:46:03,418 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1749912099] [2020-07-07 10:46:03,421 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:46:03,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:46:03,608 INFO L264 TraceCheckSpWp]: Trace formula consists of 758 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-07 10:46:03,619 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:46:03,706 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-07 10:46:03,706 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 10:46:03,706 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7] total 12 [2020-07-07 10:46:03,707 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099565125] [2020-07-07 10:46:03,707 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-07 10:46:03,708 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:46:03,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-07 10:46:03,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2020-07-07 10:46:03,708 INFO L87 Difference]: Start difference. First operand 402 states and 461 transitions. Second operand 12 states. [2020-07-07 10:46:04,417 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 186 [2020-07-07 10:46:04,954 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:46:05,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:46:05,853 INFO L93 Difference]: Finished difference Result 565 states and 675 transitions. [2020-07-07 10:46:05,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-07 10:46:05,854 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 89 [2020-07-07 10:46:05,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:46:05,855 INFO L225 Difference]: With dead ends: 565 [2020-07-07 10:46:05,855 INFO L226 Difference]: Without dead ends: 0 [2020-07-07 10:46:05,857 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 114 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=104, Invalid=276, Unknown=0, NotChecked=0, Total=380 [2020-07-07 10:46:05,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-07 10:46:05,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-07 10:46:05,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-07 10:46:05,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-07 10:46:05,858 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 89 [2020-07-07 10:46:05,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:46:05,858 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-07 10:46:05,858 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-07 10:46:05,859 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-07 10:46:05,859 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-07 10:46:06,065 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-07-07 10:46:06,069 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-07 10:46:06,306 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 230 [2020-07-07 10:46:09,126 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 238 [2020-07-07 10:46:09,849 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 22 [2020-07-07 10:46:10,438 WARN L193 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 18 [2020-07-07 10:46:10,801 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-07 10:46:11,270 WARN L193 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 19 [2020-07-07 10:46:11,408 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2020-07-07 10:46:12,028 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-07 10:46:12,474 WARN L193 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 17 [2020-07-07 10:46:12,662 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:46:13,269 WARN L193 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 21 [2020-07-07 10:46:13,404 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2020-07-07 10:46:14,048 WARN L193 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 17 [2020-07-07 10:46:14,706 WARN L193 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 16 [2020-07-07 10:46:14,867 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2020-07-07 10:46:14,996 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2020-07-07 10:46:15,580 WARN L193 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 22 [2020-07-07 10:46:15,724 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 22 [2020-07-07 10:46:16,093 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2020-07-07 10:46:16,464 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2020-07-07 10:46:16,820 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-07 10:46:17,438 WARN L193 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 18 [2020-07-07 10:46:17,789 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-07 10:46:17,908 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 22 [2020-07-07 10:46:18,061 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 22 [2020-07-07 10:46:18,529 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-07 10:46:18,994 WARN L193 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 20 [2020-07-07 10:46:19,344 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-07 10:46:19,349 INFO L268 CegarLoopResult]: For program point L351(line 351) no Hoare annotation was computed. [2020-07-07 10:46:19,349 INFO L268 CegarLoopResult]: For program point L350-2(lines 350 371) no Hoare annotation was computed. [2020-07-07 10:46:19,349 INFO L268 CegarLoopResult]: For program point L372(lines 349 373) no Hoare annotation was computed. [2020-07-07 10:46:19,349 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 325 380) no Hoare annotation was computed. [2020-07-07 10:46:19,349 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 325 380) no Hoare annotation was computed. [2020-07-07 10:46:19,349 INFO L268 CegarLoopResult]: For program point L356(lines 356 360) no Hoare annotation was computed. [2020-07-07 10:46:19,349 INFO L268 CegarLoopResult]: For program point L356-1(lines 356 360) no Hoare annotation was computed. [2020-07-07 10:46:19,350 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 325 380) no Hoare annotation was computed. [2020-07-07 10:46:19,350 INFO L268 CegarLoopResult]: For program point L413(lines 413 417) no Hoare annotation was computed. [2020-07-07 10:46:19,350 INFO L268 CegarLoopResult]: For program point L413-1(lines 413 417) no Hoare annotation was computed. [2020-07-07 10:46:19,350 INFO L268 CegarLoopResult]: For program point L408(line 408) no Hoare annotation was computed. [2020-07-07 10:46:19,350 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 381 440) no Hoare annotation was computed. [2020-07-07 10:46:19,350 INFO L268 CegarLoopResult]: For program point L407-2(lines 407 432) no Hoare annotation was computed. [2020-07-07 10:46:19,351 INFO L268 CegarLoopResult]: For program point L433(lines 406 434) no Hoare annotation was computed. [2020-07-07 10:46:19,351 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 381 440) no Hoare annotation was computed. [2020-07-07 10:46:19,351 INFO L268 CegarLoopResult]: For program point L426(line 426) no Hoare annotation was computed. [2020-07-07 10:46:19,351 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 381 440) no Hoare annotation was computed. [2020-07-07 10:46:19,351 INFO L268 CegarLoopResult]: For program point L426-1(line 426) no Hoare annotation was computed. [2020-07-07 10:46:19,351 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2020-07-07 10:46:19,351 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2020-07-07 10:46:19,352 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2020-07-07 10:46:19,352 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2020-07-07 10:46:19,352 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2020-07-07 10:46:19,352 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 649 673) the Hoare annotation is: true [2020-07-07 10:46:19,352 INFO L264 CegarLoopResult]: At program point L663(line 663) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or (not (<= 2 ~waterLevel~0)) .cse0) (or (not (= 1 ~waterLevel~0)) .cse0))) [2020-07-07 10:46:19,352 INFO L268 CegarLoopResult]: For program point L661(lines 661 667) no Hoare annotation was computed. [2020-07-07 10:46:19,352 INFO L264 CegarLoopResult]: At program point L659(line 659) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or (not (<= 2 ~waterLevel~0)) .cse0) (or (not (= 1 ~waterLevel~0)) .cse0))) [2020-07-07 10:46:19,352 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 649 673) no Hoare annotation was computed. [2020-07-07 10:46:19,352 INFO L268 CegarLoopResult]: For program point L659-1(line 659) no Hoare annotation was computed. [2020-07-07 10:46:19,353 INFO L268 CegarLoopResult]: For program point L657(lines 657 670) no Hoare annotation was computed. [2020-07-07 10:46:19,353 INFO L268 CegarLoopResult]: For program point L657-1(lines 649 673) no Hoare annotation was computed. [2020-07-07 10:46:19,353 INFO L271 CegarLoopResult]: At program point L655(line 655) the Hoare annotation is: true [2020-07-07 10:46:19,353 INFO L268 CegarLoopResult]: For program point L655-1(line 655) no Hoare annotation was computed. [2020-07-07 10:46:19,353 INFO L268 CegarLoopResult]: For program point L257(line 257) no Hoare annotation was computed. [2020-07-07 10:46:19,353 INFO L264 CegarLoopResult]: At program point L256(line 256) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-07 10:46:19,354 INFO L264 CegarLoopResult]: At program point L255(line 255) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-07 10:46:19,354 INFO L264 CegarLoopResult]: At program point L255-1(line 255) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-07 10:46:19,354 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 249 271) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-07 10:46:19,354 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 249 271) no Hoare annotation was computed. [2020-07-07 10:46:19,354 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 249 271) no Hoare annotation was computed. [2020-07-07 10:46:19,354 INFO L264 CegarLoopResult]: At program point L261(line 261) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~0 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:46:19,355 INFO L264 CegarLoopResult]: At program point L261-1(line 261) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~0 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:46:19,355 INFO L268 CegarLoopResult]: For program point L259(lines 259 266) no Hoare annotation was computed. [2020-07-07 10:46:19,355 INFO L268 CegarLoopResult]: For program point L259-1(lines 259 266) no Hoare annotation was computed. [2020-07-07 10:46:19,355 INFO L268 CegarLoopResult]: For program point L225(line 225) no Hoare annotation was computed. [2020-07-07 10:46:19,355 INFO L268 CegarLoopResult]: For program point L224(line 224) no Hoare annotation was computed. [2020-07-07 10:46:19,355 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 207 230) no Hoare annotation was computed. [2020-07-07 10:46:19,355 INFO L268 CegarLoopResult]: For program point L223(line 223) no Hoare annotation was computed. [2020-07-07 10:46:19,356 INFO L268 CegarLoopResult]: For program point L222(line 222) no Hoare annotation was computed. [2020-07-07 10:46:19,356 INFO L268 CegarLoopResult]: For program point L221(line 221) no Hoare annotation was computed. [2020-07-07 10:46:19,356 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 207 230) no Hoare annotation was computed. [2020-07-07 10:46:19,356 INFO L268 CegarLoopResult]: For program point L220(line 220) no Hoare annotation was computed. [2020-07-07 10:46:19,356 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 207 230) no Hoare annotation was computed. [2020-07-07 10:46:19,356 INFO L268 CegarLoopResult]: For program point L219(line 219) no Hoare annotation was computed. [2020-07-07 10:46:19,356 INFO L268 CegarLoopResult]: For program point L218(line 218) no Hoare annotation was computed. [2020-07-07 10:46:19,356 INFO L268 CegarLoopResult]: For program point L217(line 217) no Hoare annotation was computed. [2020-07-07 10:46:19,357 INFO L268 CegarLoopResult]: For program point L216(line 216) no Hoare annotation was computed. [2020-07-07 10:46:19,357 INFO L268 CegarLoopResult]: For program point L215(line 215) no Hoare annotation was computed. [2020-07-07 10:46:19,357 INFO L268 CegarLoopResult]: For program point L214(line 214) no Hoare annotation was computed. [2020-07-07 10:46:19,357 INFO L268 CegarLoopResult]: For program point L213(line 213) no Hoare annotation was computed. [2020-07-07 10:46:19,357 INFO L268 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-07-07 10:46:19,357 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 830 844) no Hoare annotation was computed. [2020-07-07 10:46:19,357 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 830 844) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (and (= |old(~systemActive~0)| ~systemActive~0) (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1))) [2020-07-07 10:46:19,357 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 830 844) no Hoare annotation was computed. [2020-07-07 10:46:19,357 INFO L264 CegarLoopResult]: At program point L836(line 836) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or (not (= 1 ~waterLevel~0)) .cse0) (or .cse0 (not (<= 2 ~waterLevel~0))))) [2020-07-07 10:46:19,357 INFO L268 CegarLoopResult]: For program point L834(lines 834 840) no Hoare annotation was computed. [2020-07-07 10:46:19,358 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 766 774) no Hoare annotation was computed. [2020-07-07 10:46:19,358 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 766 774) the Hoare annotation is: true [2020-07-07 10:46:19,358 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 766 774) no Hoare annotation was computed. [2020-07-07 10:46:19,358 INFO L268 CegarLoopResult]: For program point L818-1(line 818) no Hoare annotation was computed. [2020-07-07 10:46:19,358 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 811 829) the Hoare annotation is: true [2020-07-07 10:46:19,358 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 811 829) no Hoare annotation was computed. [2020-07-07 10:46:19,358 INFO L268 CegarLoopResult]: For program point L820(lines 820 824) no Hoare annotation was computed. [2020-07-07 10:46:19,358 INFO L271 CegarLoopResult]: At program point L818(line 818) the Hoare annotation is: true [2020-07-07 10:46:19,358 INFO L268 CegarLoopResult]: For program point L820-2(lines 820 824) no Hoare annotation was computed. [2020-07-07 10:46:19,358 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 811 829) no Hoare annotation was computed. [2020-07-07 10:46:19,359 INFO L268 CegarLoopResult]: For program point L794(lines 794 802) no Hoare annotation was computed. [2020-07-07 10:46:19,359 INFO L268 CegarLoopResult]: For program point L794-2(lines 794 802) no Hoare annotation was computed. [2020-07-07 10:46:19,359 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 775 810) no Hoare annotation was computed. [2020-07-07 10:46:19,359 INFO L268 CegarLoopResult]: For program point L782(lines 782 790) no Hoare annotation was computed. [2020-07-07 10:46:19,359 INFO L268 CegarLoopResult]: For program point L782-2(lines 782 790) no Hoare annotation was computed. [2020-07-07 10:46:19,359 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 775 810) no Hoare annotation was computed. [2020-07-07 10:46:19,359 INFO L268 CegarLoopResult]: For program point L805(line 805) no Hoare annotation was computed. [2020-07-07 10:46:19,359 INFO L268 CegarLoopResult]: For program point L805-1(line 805) no Hoare annotation was computed. [2020-07-07 10:46:19,359 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 775 810) no Hoare annotation was computed. [2020-07-07 10:46:19,359 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2020-07-07 10:46:19,359 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2020-07-07 10:46:19,359 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 279 324) no Hoare annotation was computed. [2020-07-07 10:46:19,359 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 279 324) no Hoare annotation was computed. [2020-07-07 10:46:19,360 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 279 324) no Hoare annotation was computed. [2020-07-07 10:46:19,360 INFO L268 CegarLoopResult]: For program point L606(lines 606 626) no Hoare annotation was computed. [2020-07-07 10:46:19,360 INFO L268 CegarLoopResult]: For program point L606-1(lines 606 626) no Hoare annotation was computed. [2020-07-07 10:46:19,360 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 592 637) no Hoare annotation was computed. [2020-07-07 10:46:19,360 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 592 637) no Hoare annotation was computed. [2020-07-07 10:46:19,360 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 592 637) no Hoare annotation was computed. [2020-07-07 10:46:19,360 INFO L268 CegarLoopResult]: For program point L612(lines 612 619) no Hoare annotation was computed. [2020-07-07 10:46:19,360 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 239 248) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-07 10:46:19,360 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 239 248) no Hoare annotation was computed. [2020-07-07 10:46:19,360 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 239 248) no Hoare annotation was computed. [2020-07-07 10:46:19,360 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 755 765) no Hoare annotation was computed. [2020-07-07 10:46:19,361 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 755 765) no Hoare annotation was computed. [2020-07-07 10:46:19,361 INFO L268 CegarLoopResult]: For program point L760(line 760) no Hoare annotation was computed. [2020-07-07 10:46:19,361 INFO L268 CegarLoopResult]: For program point L760-1(line 760) no Hoare annotation was computed. [2020-07-07 10:46:19,361 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 755 765) no Hoare annotation was computed. [2020-07-07 10:46:19,361 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 747 754) the Hoare annotation is: true [2020-07-07 10:46:19,361 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 747 754) no Hoare annotation was computed. [2020-07-07 10:46:19,361 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 747 754) no Hoare annotation was computed. [2020-07-07 10:46:19,361 INFO L264 CegarLoopResult]: At program point L733(line 733) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (= 0 ~pumpRunning~0))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-07-07 10:46:19,361 INFO L268 CegarLoopResult]: For program point L733-1(lines 714 738) no Hoare annotation was computed. [2020-07-07 10:46:19,361 INFO L264 CegarLoopResult]: At program point L728(line 728) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))))) [2020-07-07 10:46:19,361 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 714 738) no Hoare annotation was computed. [2020-07-07 10:46:19,362 INFO L264 CegarLoopResult]: At program point L724(line 724) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))))) [2020-07-07 10:46:19,362 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 714 738) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (= 0 ~pumpRunning~0))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-07-07 10:46:19,362 INFO L268 CegarLoopResult]: For program point L722(lines 722 730) no Hoare annotation was computed. [2020-07-07 10:46:19,362 INFO L264 CegarLoopResult]: At program point L720(line 720) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))))) [2020-07-07 10:46:19,362 INFO L268 CegarLoopResult]: For program point L720-1(line 720) no Hoare annotation was computed. [2020-07-07 10:46:19,362 INFO L268 CegarLoopResult]: For program point L718(lines 718 735) no Hoare annotation was computed. [2020-07-07 10:46:19,362 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 706 712) no Hoare annotation was computed. [2020-07-07 10:46:19,362 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 706 712) the Hoare annotation is: true [2020-07-07 10:46:19,362 INFO L268 CegarLoopResult]: For program point L865(lines 864 913) no Hoare annotation was computed. [2020-07-07 10:46:19,362 INFO L264 CegarLoopResult]: At program point L896(line 896) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse1 (= 1 ~waterLevel~0)) (and .cse0 (<= 2 ~waterLevel~0) .cse1))) [2020-07-07 10:46:19,363 INFO L264 CegarLoopResult]: At program point testENTRY(lines 854 921) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-07 10:46:19,363 INFO L268 CegarLoopResult]: For program point L894(lines 894 909) no Hoare annotation was computed. [2020-07-07 10:46:19,363 INFO L268 CegarLoopResult]: For program point testFINAL(lines 854 921) no Hoare annotation was computed. [2020-07-07 10:46:19,363 INFO L264 CegarLoopResult]: At program point L886(line 886) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse1 (= 1 ~waterLevel~0)))) [2020-07-07 10:46:19,363 INFO L268 CegarLoopResult]: For program point L884(lines 884 890) no Hoare annotation was computed. [2020-07-07 10:46:19,363 INFO L268 CegarLoopResult]: For program point L884-1(lines 884 890) no Hoare annotation was computed. [2020-07-07 10:46:19,363 INFO L264 CegarLoopResult]: At program point L911(lines 864 913) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse1 (= 1 ~waterLevel~0)))) [2020-07-07 10:46:19,363 INFO L264 CegarLoopResult]: At program point L876(line 876) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse1 (= 1 ~waterLevel~0)))) [2020-07-07 10:46:19,363 INFO L268 CegarLoopResult]: For program point L874(lines 874 880) no Hoare annotation was computed. [2020-07-07 10:46:19,363 INFO L268 CegarLoopResult]: For program point L874-1(lines 874 880) no Hoare annotation was computed. [2020-07-07 10:46:19,363 INFO L268 CegarLoopResult]: For program point L866(lines 866 870) no Hoare annotation was computed. [2020-07-07 10:46:19,363 INFO L264 CegarLoopResult]: At program point L914(lines 863 915) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:46:19,364 INFO L264 CegarLoopResult]: At program point L904(line 904) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse1 (= 1 ~waterLevel~0)))) [2020-07-07 10:46:19,364 INFO L268 CegarLoopResult]: For program point L902(lines 902 908) no Hoare annotation was computed. [2020-07-07 10:46:19,364 INFO L264 CegarLoopResult]: At program point L902-1(lines 894 909) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse1 (= 1 ~waterLevel~0)))) [2020-07-07 10:46:19,364 INFO L268 CegarLoopResult]: For program point testEXIT(lines 854 921) no Hoare annotation was computed. [2020-07-07 10:46:19,364 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 546 591) no Hoare annotation was computed. [2020-07-07 10:46:19,364 INFO L268 CegarLoopResult]: For program point L566(lines 566 573) no Hoare annotation was computed. [2020-07-07 10:46:19,364 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 546 591) no Hoare annotation was computed. [2020-07-07 10:46:19,364 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 546 591) no Hoare annotation was computed. [2020-07-07 10:46:19,364 INFO L268 CegarLoopResult]: For program point L560(lines 560 580) no Hoare annotation was computed. [2020-07-07 10:46:19,364 INFO L268 CegarLoopResult]: For program point L560-1(lines 560 580) no Hoare annotation was computed. [2020-07-07 10:46:19,364 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 164 172) no Hoare annotation was computed. [2020-07-07 10:46:19,364 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 164 172) the Hoare annotation is: true [2020-07-07 10:46:19,365 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 164 172) no Hoare annotation was computed. [2020-07-07 10:46:19,365 INFO L268 CegarLoopResult]: For program point L140(lines 140 148) no Hoare annotation was computed. [2020-07-07 10:46:19,365 INFO L268 CegarLoopResult]: For program point L140-2(lines 140 148) no Hoare annotation was computed. [2020-07-07 10:46:19,365 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 132 154) no Hoare annotation was computed. [2020-07-07 10:46:19,365 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 132 154) no Hoare annotation was computed. [2020-07-07 10:46:19,365 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 132 154) no Hoare annotation was computed. [2020-07-07 10:46:19,365 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2020-07-07 10:46:19,365 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2020-07-07 10:46:19,365 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2020-07-07 10:46:19,366 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 443 545) no Hoare annotation was computed. [2020-07-07 10:46:19,366 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-07-07 10:46:19,366 INFO L268 CegarLoopResult]: For program point L508-1(line 508) no Hoare annotation was computed. [2020-07-07 10:46:19,366 INFO L268 CegarLoopResult]: For program point L467(lines 467 471) no Hoare annotation was computed. [2020-07-07 10:46:19,366 INFO L268 CegarLoopResult]: For program point L531(lines 531 542) no Hoare annotation was computed. [2020-07-07 10:46:19,366 INFO L268 CegarLoopResult]: For program point L494(lines 494 498) no Hoare annotation was computed. [2020-07-07 10:46:19,366 INFO L268 CegarLoopResult]: For program point L492-2(lines 492 512) no Hoare annotation was computed. [2020-07-07 10:46:19,366 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 443 545) no Hoare annotation was computed. [2020-07-07 10:46:19,367 INFO L268 CegarLoopResult]: For program point L513(lines 491 514) no Hoare annotation was computed. [2020-07-07 10:46:19,367 INFO L268 CegarLoopResult]: For program point L472(lines 472 488) no Hoare annotation was computed. [2020-07-07 10:46:19,367 INFO L268 CegarLoopResult]: For program point L532(lines 532 539) no Hoare annotation was computed. [2020-07-07 10:46:19,367 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 443 545) no Hoare annotation was computed. [2020-07-07 10:46:19,367 INFO L268 CegarLoopResult]: For program point L493(lines 492 512) no Hoare annotation was computed. [2020-07-07 10:46:19,367 INFO L268 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-07-07 10:46:19,367 INFO L268 CegarLoopResult]: For program point L524-1(line 524) no Hoare annotation was computed. [2020-07-07 10:46:19,367 INFO L268 CegarLoopResult]: For program point L489(lines 489 530) no Hoare annotation was computed. [2020-07-07 10:46:19,368 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:46:19,368 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string2.base| |old(#t~string2.base)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string2.offset| |old(#t~string2.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|)) [2020-07-07 10:46:19,368 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:46:19,368 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 739 746) no Hoare annotation was computed. [2020-07-07 10:46:19,368 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 739 746) no Hoare annotation was computed. [2020-07-07 10:46:19,369 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 739 746) no Hoare annotation was computed. [2020-07-07 10:46:19,369 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 155 163) the Hoare annotation is: true [2020-07-07 10:46:19,369 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 155 163) no Hoare annotation was computed. [2020-07-07 10:46:19,369 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 155 163) no Hoare annotation was computed. [2020-07-07 10:46:19,369 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 111 122) the Hoare annotation is: (let ((.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse1 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1))) [2020-07-07 10:46:19,369 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 111 122) no Hoare annotation was computed. [2020-07-07 10:46:19,369 INFO L268 CegarLoopResult]: For program point L115-1(lines 111 122) no Hoare annotation was computed. [2020-07-07 10:46:19,369 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:46:19,370 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-07 10:46:19,370 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:46:19,370 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 123 131) no Hoare annotation was computed. [2020-07-07 10:46:19,370 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 123 131) no Hoare annotation was computed. [2020-07-07 10:46:19,370 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 123 131) no Hoare annotation was computed. [2020-07-07 10:46:19,370 INFO L264 CegarLoopResult]: At program point L695(line 695) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (and (not (= 0 ~systemActive~0)) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)))) (and (or .cse0 (not (= 1 |old(~waterLevel~0)|)) .cse1) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1))) [2020-07-07 10:46:19,370 INFO L264 CegarLoopResult]: At program point L693(lines 693 699) the Hoare annotation is: (let ((.cse0 (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 .cse1 (not (= 1 |old(~waterLevel~0)|))))) [2020-07-07 10:46:19,370 INFO L264 CegarLoopResult]: At program point L688(line 688) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 (not (= 1 |old(~waterLevel~0)|))))) [2020-07-07 10:46:19,371 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 682 705) the Hoare annotation is: (let ((.cse0 (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (= 1 |old(~waterLevel~0)|))) (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-07 10:46:19,371 INFO L268 CegarLoopResult]: For program point L686(lines 685 704) no Hoare annotation was computed. [2020-07-07 10:46:19,371 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 682 705) no Hoare annotation was computed. [2020-07-07 10:46:19,371 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 682 705) no Hoare annotation was computed. [2020-07-07 10:46:19,371 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 176 205) no Hoare annotation was computed. [2020-07-07 10:46:19,371 INFO L268 CegarLoopResult]: For program point L190(lines 190 194) no Hoare annotation was computed. [2020-07-07 10:46:19,371 INFO L271 CegarLoopResult]: At program point L190-1(lines 190 194) the Hoare annotation is: true [2020-07-07 10:46:19,372 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 176 205) the Hoare annotation is: true [2020-07-07 10:46:19,372 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-07-07 10:46:19,372 INFO L271 CegarLoopResult]: At program point L186-2(lines 186 200) the Hoare annotation is: true [2020-07-07 10:46:19,372 INFO L271 CegarLoopResult]: At program point L182(line 182) the Hoare annotation is: true [2020-07-07 10:46:19,372 INFO L268 CegarLoopResult]: For program point L182-1(line 182) no Hoare annotation was computed. [2020-07-07 10:46:19,372 INFO L271 CegarLoopResult]: At program point L201(lines 176 205) the Hoare annotation is: true [2020-07-07 10:46:19,372 INFO L268 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-07-07 10:46:19,372 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 87 98) the Hoare annotation is: true [2020-07-07 10:46:19,372 INFO L268 CegarLoopResult]: For program point L91-1(lines 87 98) no Hoare annotation was computed. [2020-07-07 10:46:19,373 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 87 98) no Hoare annotation was computed. [2020-07-07 10:46:19,373 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 231 237) no Hoare annotation was computed. [2020-07-07 10:46:19,373 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 231 237) the Hoare annotation is: true [2020-07-07 10:46:19,373 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:46:19,373 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-07 10:46:19,373 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-07 10:46:19,373 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:46:19,373 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 845 852) no Hoare annotation was computed. [2020-07-07 10:46:19,374 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 845 852) the Hoare annotation is: (let ((.cse0 (= |old(~systemActive~0)| ~systemActive~0)) (.cse1 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or .cse0 (not (= 1 ~waterLevel~0)) .cse1))) [2020-07-07 10:46:19,374 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 845 852) no Hoare annotation was computed. [2020-07-07 10:46:19,374 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 99 110) no Hoare annotation was computed. [2020-07-07 10:46:19,374 INFO L268 CegarLoopResult]: For program point L103-1(lines 99 110) no Hoare annotation was computed. [2020-07-07 10:46:19,374 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 99 110) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (= 1 |old(~waterLevel~0)|))) (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-07 10:46:19,374 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 639 646) no Hoare annotation was computed. [2020-07-07 10:46:19,374 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 643) no Hoare annotation was computed. [2020-07-07 10:46:19,375 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 639 646) the Hoare annotation is: true [2020-07-07 10:46:19,375 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 639 646) no Hoare annotation was computed. [2020-07-07 10:46:19,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.07 10:46:19 BoogieIcfgContainer [2020-07-07 10:46:19,391 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-07 10:46:19,392 INFO L168 Benchmark]: Toolchain (without parser) took 33327.92 ms. Allocated memory was 138.4 MB in the beginning and 687.9 MB in the end (delta: 549.5 MB). Free memory was 102.3 MB in the beginning and 381.4 MB in the end (delta: -279.1 MB). Peak memory consumption was 568.4 MB. Max. memory is 7.1 GB. [2020-07-07 10:46:19,393 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 138.4 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-07 10:46:19,394 INFO L168 Benchmark]: CACSL2BoogieTranslator took 652.38 ms. Allocated memory was 138.4 MB in the beginning and 202.9 MB in the end (delta: 64.5 MB). Free memory was 102.1 MB in the beginning and 171.2 MB in the end (delta: -69.1 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. [2020-07-07 10:46:19,395 INFO L168 Benchmark]: Boogie Preprocessor took 84.39 ms. Allocated memory is still 202.9 MB. Free memory was 171.2 MB in the beginning and 167.1 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-07-07 10:46:19,395 INFO L168 Benchmark]: RCFGBuilder took 1083.31 ms. Allocated memory was 202.9 MB in the beginning and 235.9 MB in the end (delta: 33.0 MB). Free memory was 167.1 MB in the beginning and 198.1 MB in the end (delta: -31.0 MB). Peak memory consumption was 84.0 MB. Max. memory is 7.1 GB. [2020-07-07 10:46:19,396 INFO L168 Benchmark]: TraceAbstraction took 31503.43 ms. Allocated memory was 235.9 MB in the beginning and 687.9 MB in the end (delta: 451.9 MB). Free memory was 198.1 MB in the beginning and 381.4 MB in the end (delta: -183.3 MB). Peak memory consumption was 566.7 MB. Max. memory is 7.1 GB. [2020-07-07 10:46:19,400 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 138.4 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 652.38 ms. Allocated memory was 138.4 MB in the beginning and 202.9 MB in the end (delta: 64.5 MB). Free memory was 102.1 MB in the beginning and 171.2 MB in the end (delta: -69.1 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 84.39 ms. Allocated memory is still 202.9 MB. Free memory was 171.2 MB in the beginning and 167.1 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1083.31 ms. Allocated memory was 202.9 MB in the beginning and 235.9 MB in the end (delta: 33.0 MB). Free memory was 167.1 MB in the beginning and 198.1 MB in the end (delta: -31.0 MB). Peak memory consumption was 84.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 31503.43 ms. Allocated memory was 235.9 MB in the beginning and 687.9 MB in the end (delta: 451.9 MB). Free memory was 198.1 MB in the beginning and 381.4 MB in the end (delta: -183.3 MB). Peak memory consumption was 566.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 643]: 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: 864]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(1 == \old(systemActive))) || ((2 <= waterLevel && 0 == splverifierCounter) && 0 == pumpRunning)) || !(1 == \old(waterLevel))) || ((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) - InvariantResult [Line: 863]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel)) - InvariantResult [Line: 186]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 224 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 18.1s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 14.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 13.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 606 SDtfs, 1363 SDslu, 600 SDs, 0 SdLazy, 2923 SolverSat, 944 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 270 GetRequests, 203 SyntacticMatches, 1 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 6.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=594occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 6 MinimizatonAttempts, 284 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 644 PreInvPairs, 712 NumberOfFragments, 1068 HoareAnnotationTreeSize, 644 FomulaSimplifications, 173988 FormulaSimplificationTreeSizeReduction, 3.6s HoareSimplificationTime, 54 FomulaSimplificationsInter, 21934 FormulaSimplificationTreeSizeReductionInter, 9.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 441 NumberOfCodeBlocks, 441 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 434 ConstructedInterpolants, 0 QuantifiedInterpolants, 124526 SizeOfPredicates, 3 NumberOfNonLiveVariables, 758 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 39/48 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...