/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_product27.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 11:34:11,739 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 11:34:11,741 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 11:34:11,753 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 11:34:11,754 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 11:34:11,755 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 11:34:11,756 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 11:34:11,758 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 11:34:11,760 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 11:34:11,762 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 11:34:11,763 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 11:34:11,768 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 11:34:11,768 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 11:34:11,769 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 11:34:11,772 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 11:34:11,774 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 11:34:11,775 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 11:34:11,776 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 11:34:11,778 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 11:34:11,781 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 11:34:11,784 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 11:34:11,785 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 11:34:11,788 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 11:34:11,789 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 11:34:11,793 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-17 11:34:11,794 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-17 11:34:11,794 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-17 11:34:11,797 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-17 11:34:11,798 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-17 11:34:11,799 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-17 11:34:11,799 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-17 11:34:11,800 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-17 11:34:11,802 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-17 11:34:11,802 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-17 11:34:11,807 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-17 11:34:11,807 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-17 11:34:11,809 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-17 11:34:11,810 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-17 11:34:11,810 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 11:34:11,811 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 11:34:11,812 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 11:34:11,813 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-17 11:34:11,835 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 11:34:11,835 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 11:34:11,838 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-17 11:34:11,838 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-17 11:34:11,838 INFO L138 SettingsManager]: * Use SBE=true [2020-07-17 11:34:11,838 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 11:34:11,838 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 11:34:11,839 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 11:34:11,839 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 11:34:11,839 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 11:34:11,840 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 11:34:11,840 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 11:34:11,841 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 11:34:11,841 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 11:34:11,841 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 11:34:11,841 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 11:34:11,841 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 11:34:11,842 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 11:34:11,842 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-17 11:34:11,842 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 11:34:11,842 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 11:34:11,842 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 11:34:11,843 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 11:34:11,843 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-17 11:34:11,843 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-17 11:34:11,843 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-17 11:34:11,843 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-17 11:34:11,844 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 11:34:11,844 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-17 11:34:11,844 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-17 11:34:12,149 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 11:34:12,163 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 11:34:12,167 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 11:34:12,168 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 11:34:12,169 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 11:34:12,170 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product27.cil.c [2020-07-17 11:34:12,235 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d5da2ed7/3a380594074d4a1ebf904aa8afdd99fe/FLAG638f945d6 [2020-07-17 11:34:12,793 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 11:34:12,793 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product27.cil.c [2020-07-17 11:34:12,806 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d5da2ed7/3a380594074d4a1ebf904aa8afdd99fe/FLAG638f945d6 [2020-07-17 11:34:13,075 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d5da2ed7/3a380594074d4a1ebf904aa8afdd99fe [2020-07-17 11:34:13,086 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 11:34:13,089 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 11:34:13,090 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 11:34:13,090 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 11:34:13,094 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 11:34:13,095 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 11:34:13" (1/1) ... [2020-07-17 11:34:13,098 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16705c8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:34:13, skipping insertion in model container [2020-07-17 11:34:13,098 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 11:34:13" (1/1) ... [2020-07-17 11:34:13,106 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 11:34:13,167 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 11:34:13,618 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 11:34:13,630 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 11:34:13,715 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 11:34:13,749 INFO L208 MainTranslator]: Completed translation [2020-07-17 11:34:13,750 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:34:13 WrapperNode [2020-07-17 11:34:13,750 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 11:34:13,751 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 11:34:13,751 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 11:34:13,751 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 11:34:13,764 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:34:13" (1/1) ... [2020-07-17 11:34:13,765 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:34:13" (1/1) ... [2020-07-17 11:34:13,788 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:34:13" (1/1) ... [2020-07-17 11:34:13,789 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:34:13" (1/1) ... [2020-07-17 11:34:13,822 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:34:13" (1/1) ... [2020-07-17 11:34:13,833 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:34:13" (1/1) ... [2020-07-17 11:34:13,838 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:34:13" (1/1) ... [2020-07-17 11:34:13,845 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 11:34:13,846 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 11:34:13,846 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 11:34:13,846 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 11:34:13,847 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:34:13" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 11:34:13,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 11:34:13,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 11:34:13,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-17 11:34:13,923 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-17 11:34:13,923 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-17 11:34:13,923 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-17 11:34:13,923 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-17 11:34:13,924 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 11:34:13,924 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-17 11:34:13,924 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-07-17 11:34:13,924 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-17 11:34:13,925 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-17 11:34:13,925 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-17 11:34:13,926 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-17 11:34:13,926 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-17 11:34:13,927 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-17 11:34:13,927 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-17 11:34:13,927 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-17 11:34:13,927 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-17 11:34:13,928 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-17 11:34:13,928 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-17 11:34:13,928 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-07-17 11:34:13,928 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-17 11:34:13,928 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-17 11:34:13,929 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-17 11:34:13,929 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-17 11:34:13,930 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-17 11:34:13,930 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-17 11:34:13,930 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-17 11:34:13,930 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-17 11:34:13,930 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-17 11:34:13,931 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-17 11:34:13,931 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-17 11:34:13,931 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-17 11:34:13,931 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-17 11:34:13,931 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-17 11:34:13,931 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-17 11:34:13,932 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-17 11:34:13,932 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-17 11:34:13,932 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 11:34:13,932 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-17 11:34:13,932 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-17 11:34:13,932 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-17 11:34:13,933 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-17 11:34:13,933 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-17 11:34:13,933 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-17 11:34:13,933 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-17 11:34:13,935 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-17 11:34:13,935 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-17 11:34:13,935 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-17 11:34:13,935 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-17 11:34:13,935 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-17 11:34:13,935 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-17 11:34:13,936 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-17 11:34:13,936 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 11:34:13,936 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-17 11:34:13,936 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-17 11:34:13,936 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-17 11:34:13,936 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-07-17 11:34:13,937 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-17 11:34:13,937 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-17 11:34:13,937 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-17 11:34:13,937 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-17 11:34:13,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-17 11:34:13,938 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-17 11:34:13,938 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-17 11:34:13,938 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-17 11:34:13,938 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-17 11:34:13,939 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-17 11:34:13,939 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-17 11:34:13,939 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-07-17 11:34:13,939 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-17 11:34:13,939 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-17 11:34:13,940 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-17 11:34:13,940 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-17 11:34:13,940 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-17 11:34:13,940 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-17 11:34:13,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-17 11:34:13,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-17 11:34:13,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-17 11:34:13,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-17 11:34:13,942 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-17 11:34:13,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-17 11:34:13,942 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-17 11:34:13,942 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-17 11:34:13,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-17 11:34:13,943 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-17 11:34:13,944 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-17 11:34:13,944 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-17 11:34:13,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 11:34:13,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-17 11:34:13,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 11:34:15,157 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 11:34:15,158 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-17 11:34:15,163 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 11:34:15 BoogieIcfgContainer [2020-07-17 11:34:15,163 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 11:34:15,164 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 11:34:15,164 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 11:34:15,167 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 11:34:15,168 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 11:34:13" (1/3) ... [2020-07-17 11:34:15,168 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55b79ed1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 11:34:15, skipping insertion in model container [2020-07-17 11:34:15,169 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:34:13" (2/3) ... [2020-07-17 11:34:15,169 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55b79ed1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 11:34:15, skipping insertion in model container [2020-07-17 11:34:15,169 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 11:34:15" (3/3) ... [2020-07-17 11:34:15,171 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product27.cil.c [2020-07-17 11:34:15,182 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-17 11:34:15,190 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 11:34:15,203 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 11:34:15,225 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 11:34:15,225 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 11:34:15,225 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-17 11:34:15,226 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 11:34:15,226 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 11:34:15,226 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 11:34:15,226 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 11:34:15,226 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 11:34:15,249 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states. [2020-07-17 11:34:15,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-17 11:34:15,259 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:34:15,261 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] [2020-07-17 11:34:15,261 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:34:15,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:34:15,268 INFO L82 PathProgramCache]: Analyzing trace with hash 251220135, now seen corresponding path program 1 times [2020-07-17 11:34:15,281 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:34:15,282 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603575366] [2020-07-17 11:34:15,282 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:34:15,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:15,986 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 11:34:15,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:16,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:16,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:16,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:16,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:16,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:16,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:16,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:34:16,116 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603575366] [2020-07-17 11:34:16,116 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:34:16,117 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-17 11:34:16,121 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580786112] [2020-07-17 11:34:16,128 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-17 11:34:16,129 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:34:16,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-17 11:34:16,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-17 11:34:16,158 INFO L87 Difference]: Start difference. First operand 153 states. Second operand 3 states. [2020-07-17 11:34:17,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:34:17,278 INFO L93 Difference]: Finished difference Result 261 states and 346 transitions. [2020-07-17 11:34:17,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-17 11:34:17,281 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-07-17 11:34:17,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:34:17,295 INFO L225 Difference]: With dead ends: 261 [2020-07-17 11:34:17,296 INFO L226 Difference]: Without dead ends: 142 [2020-07-17 11:34:17,301 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 [2020-07-17 11:34:17,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2020-07-17 11:34:17,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 110. [2020-07-17 11:34:17,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-07-17 11:34:17,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 129 transitions. [2020-07-17 11:34:17,400 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 129 transitions. Word has length 46 [2020-07-17 11:34:17,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:34:17,401 INFO L479 AbstractCegarLoop]: Abstraction has 110 states and 129 transitions. [2020-07-17 11:34:17,401 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-17 11:34:17,402 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 129 transitions. [2020-07-17 11:34:17,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-17 11:34:17,407 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:34:17,408 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] [2020-07-17 11:34:17,408 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 11:34:17,408 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:34:17,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:34:17,409 INFO L82 PathProgramCache]: Analyzing trace with hash -128124380, now seen corresponding path program 1 times [2020-07-17 11:34:17,409 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:34:17,409 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132552078] [2020-07-17 11:34:17,410 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:34:17,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:17,775 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 11:34:17,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:17,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:17,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:17,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:17,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:17,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:17,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:17,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:34:17,855 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132552078] [2020-07-17 11:34:17,855 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:34:17,856 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-17 11:34:17,856 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743672920] [2020-07-17 11:34:17,858 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-17 11:34:17,858 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:34:17,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-17 11:34:17,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-17 11:34:17,859 INFO L87 Difference]: Start difference. First operand 110 states and 129 transitions. Second operand 4 states. [2020-07-17 11:34:18,343 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:34:19,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:34:19,043 INFO L93 Difference]: Finished difference Result 188 states and 229 transitions. [2020-07-17 11:34:19,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-17 11:34:19,045 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-07-17 11:34:19,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:34:19,049 INFO L225 Difference]: With dead ends: 188 [2020-07-17 11:34:19,049 INFO L226 Difference]: Without dead ends: 126 [2020-07-17 11:34:19,050 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 [2020-07-17 11:34:19,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2020-07-17 11:34:19,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 101. [2020-07-17 11:34:19,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2020-07-17 11:34:19,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 117 transitions. [2020-07-17 11:34:19,084 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 117 transitions. Word has length 47 [2020-07-17 11:34:19,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:34:19,085 INFO L479 AbstractCegarLoop]: Abstraction has 101 states and 117 transitions. [2020-07-17 11:34:19,085 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-17 11:34:19,085 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 117 transitions. [2020-07-17 11:34:19,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-17 11:34:19,087 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:34:19,087 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:34:19,087 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 11:34:19,088 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:34:19,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:34:19,088 INFO L82 PathProgramCache]: Analyzing trace with hash -1051903128, now seen corresponding path program 1 times [2020-07-17 11:34:19,088 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:34:19,089 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343519965] [2020-07-17 11:34:19,089 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:34:19,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:19,402 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 11:34:19,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:19,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:19,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:19,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:19,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:19,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:19,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:19,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:34:19,476 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343519965] [2020-07-17 11:34:19,476 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:34:19,476 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-17 11:34:19,477 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710098111] [2020-07-17 11:34:19,477 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-17 11:34:19,477 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:34:19,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-17 11:34:19,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-17 11:34:19,478 INFO L87 Difference]: Start difference. First operand 101 states and 117 transitions. Second operand 8 states. [2020-07-17 11:34:19,898 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 11:34:20,173 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 11:34:20,452 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 11:34:20,709 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 11:34:21,438 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:34:22,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:34:22,784 INFO L93 Difference]: Finished difference Result 351 states and 437 transitions. [2020-07-17 11:34:22,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-17 11:34:22,786 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-07-17 11:34:22,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:34:22,792 INFO L225 Difference]: With dead ends: 351 [2020-07-17 11:34:22,794 INFO L226 Difference]: Without dead ends: 274 [2020-07-17 11:34:22,796 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-07-17 11:34:22,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2020-07-17 11:34:22,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 220. [2020-07-17 11:34:22,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2020-07-17 11:34:22,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 266 transitions. [2020-07-17 11:34:22,903 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 266 transitions. Word has length 51 [2020-07-17 11:34:22,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:34:22,904 INFO L479 AbstractCegarLoop]: Abstraction has 220 states and 266 transitions. [2020-07-17 11:34:22,904 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-17 11:34:22,904 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 266 transitions. [2020-07-17 11:34:22,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-17 11:34:22,913 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:34:22,913 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:34:22,914 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-17 11:34:22,914 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:34:22,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:34:22,919 INFO L82 PathProgramCache]: Analyzing trace with hash -462875738, now seen corresponding path program 1 times [2020-07-17 11:34:22,920 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:34:22,920 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256696791] [2020-07-17 11:34:22,920 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:34:22,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:23,287 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 11:34:23,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:23,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:23,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:23,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:23,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:23,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:23,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:23,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:23,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:34:23,413 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256696791] [2020-07-17 11:34:23,413 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:34:23,413 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-17 11:34:23,413 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980283427] [2020-07-17 11:34:23,414 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-17 11:34:23,414 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:34:23,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-17 11:34:23,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-07-17 11:34:23,415 INFO L87 Difference]: Start difference. First operand 220 states and 266 transitions. Second operand 12 states. [2020-07-17 11:34:23,877 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 11:34:24,209 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 11:34:24,457 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 11:34:24,700 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 11:34:25,261 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:34:26,076 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 11:34:26,445 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:34:26,725 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:34:26,973 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:34:27,225 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 11:34:27,502 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:34:27,829 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:34:28,131 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 11:34:29,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:34:29,239 INFO L93 Difference]: Finished difference Result 871 states and 1174 transitions. [2020-07-17 11:34:29,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-07-17 11:34:29,244 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 57 [2020-07-17 11:34:29,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:34:29,252 INFO L225 Difference]: With dead ends: 871 [2020-07-17 11:34:29,252 INFO L226 Difference]: Without dead ends: 675 [2020-07-17 11:34:29,255 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2020-07-17 11:34:29,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 675 states. [2020-07-17 11:34:29,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 675 to 582. [2020-07-17 11:34:29,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 582 states. [2020-07-17 11:34:29,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 582 states and 724 transitions. [2020-07-17 11:34:29,393 INFO L78 Accepts]: Start accepts. Automaton has 582 states and 724 transitions. Word has length 57 [2020-07-17 11:34:29,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:34:29,394 INFO L479 AbstractCegarLoop]: Abstraction has 582 states and 724 transitions. [2020-07-17 11:34:29,394 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-17 11:34:29,394 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 724 transitions. [2020-07-17 11:34:29,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-07-17 11:34:29,396 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:34:29,397 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] [2020-07-17 11:34:29,397 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-17 11:34:29,397 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:34:29,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:34:29,398 INFO L82 PathProgramCache]: Analyzing trace with hash 882112780, now seen corresponding path program 1 times [2020-07-17 11:34:29,398 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:34:29,398 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078258] [2020-07-17 11:34:29,398 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:34:29,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:29,659 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 11:34:29,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:29,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:29,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:29,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:29,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:29,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:29,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:29,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:29,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:29,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:34:29,772 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078258] [2020-07-17 11:34:29,772 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:34:29,772 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-17 11:34:29,773 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322094378] [2020-07-17 11:34:29,774 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-17 11:34:29,774 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:34:29,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-17 11:34:29,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-17 11:34:29,775 INFO L87 Difference]: Start difference. First operand 582 states and 724 transitions. Second operand 6 states. [2020-07-17 11:34:30,089 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 11:34:30,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:34:30,896 INFO L93 Difference]: Finished difference Result 973 states and 1255 transitions. [2020-07-17 11:34:30,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-17 11:34:30,897 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2020-07-17 11:34:30,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:34:30,901 INFO L225 Difference]: With dead ends: 973 [2020-07-17 11:34:30,901 INFO L226 Difference]: Without dead ends: 415 [2020-07-17 11:34:30,905 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2020-07-17 11:34:30,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2020-07-17 11:34:30,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 390. [2020-07-17 11:34:30,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 390 states. [2020-07-17 11:34:30,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 449 transitions. [2020-07-17 11:34:30,966 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 449 transitions. Word has length 61 [2020-07-17 11:34:30,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:34:30,966 INFO L479 AbstractCegarLoop]: Abstraction has 390 states and 449 transitions. [2020-07-17 11:34:30,966 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-17 11:34:30,966 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 449 transitions. [2020-07-17 11:34:30,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-07-17 11:34:30,968 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:34:30,969 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:34:30,969 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-17 11:34:30,969 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:34:30,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:34:30,970 INFO L82 PathProgramCache]: Analyzing trace with hash -1723523649, now seen corresponding path program 1 times [2020-07-17 11:34:30,970 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:34:30,970 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786859895] [2020-07-17 11:34:30,970 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:34:30,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:31,274 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 11:34:31,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:31,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:31,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:31,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:31,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:31,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:31,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:31,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:31,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:31,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:31,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:31,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:31,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:31,428 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 12 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-07-17 11:34:31,429 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786859895] [2020-07-17 11:34:31,429 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1986933217] [2020-07-17 11:34:31,429 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 11:34:31,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:31,617 INFO L264 TraceCheckSpWp]: Trace formula consists of 751 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-17 11:34:31,627 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 11:34:31,714 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-17 11:34:31,715 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-17 11:34:31,715 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7] total 12 [2020-07-17 11:34:31,715 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065272100] [2020-07-17 11:34:31,716 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-17 11:34:31,716 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:34:31,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-17 11:34:31,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2020-07-17 11:34:31,717 INFO L87 Difference]: Start difference. First operand 390 states and 449 transitions. Second operand 12 states. [2020-07-17 11:34:32,354 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 186 [2020-07-17 11:34:32,957 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 11:34:33,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:34:33,853 INFO L93 Difference]: Finished difference Result 522 states and 614 transitions. [2020-07-17 11:34:33,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-17 11:34:33,854 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 88 [2020-07-17 11:34:33,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:34:33,855 INFO L225 Difference]: With dead ends: 522 [2020-07-17 11:34:33,855 INFO L226 Difference]: Without dead ends: 0 [2020-07-17 11:34:33,857 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 112 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=104, Invalid=276, Unknown=0, NotChecked=0, Total=380 [2020-07-17 11:34:33,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-17 11:34:33,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-17 11:34:33,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-17 11:34:33,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-17 11:34:33,858 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 88 [2020-07-17 11:34:33,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:34:33,858 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-17 11:34:33,858 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-17 11:34:33,858 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-17 11:34:33,858 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 11:34:34,059 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-07-17 11:34:34,063 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-17 11:34:34,641 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 234 [2020-07-17 11:34:37,940 WARN L193 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 18 [2020-07-17 11:34:38,310 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-17 11:34:38,451 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2020-07-17 11:34:38,748 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 22 [2020-07-17 11:34:39,361 WARN L193 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 22 [2020-07-17 11:34:39,925 WARN L193 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 18 [2020-07-17 11:34:40,100 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2020-07-17 11:34:40,290 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 11:34:40,656 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2020-07-17 11:34:41,258 WARN L193 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 21 [2020-07-17 11:34:41,397 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2020-07-17 11:34:41,756 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2020-07-17 11:34:42,013 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 22 [2020-07-17 11:34:42,569 WARN L193 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 17 [2020-07-17 11:34:42,820 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 22 [2020-07-17 11:34:43,425 WARN L193 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 16 [2020-07-17 11:34:43,592 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2020-07-17 11:34:43,975 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-17 11:34:44,358 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-17 11:34:44,699 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-17 11:34:45,179 WARN L193 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 19 [2020-07-17 11:34:45,522 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-17 11:34:45,688 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 22 [2020-07-17 11:34:46,219 WARN L193 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 20 [2020-07-17 11:34:46,615 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-17 11:34:46,619 INFO L268 CegarLoopResult]: For program point L641-2(lines 641 662) no Hoare annotation was computed. [2020-07-17 11:34:46,619 INFO L268 CegarLoopResult]: For program point L663(lines 640 664) no Hoare annotation was computed. [2020-07-17 11:34:46,620 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 616 671) no Hoare annotation was computed. [2020-07-17 11:34:46,620 INFO L268 CegarLoopResult]: For program point L647(lines 647 651) no Hoare annotation was computed. [2020-07-17 11:34:46,620 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 616 671) no Hoare annotation was computed. [2020-07-17 11:34:46,620 INFO L268 CegarLoopResult]: For program point L647-1(lines 647 651) no Hoare annotation was computed. [2020-07-17 11:34:46,620 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 616 671) no Hoare annotation was computed. [2020-07-17 11:34:46,621 INFO L268 CegarLoopResult]: For program point L642(line 642) no Hoare annotation was computed. [2020-07-17 11:34:46,621 INFO L268 CegarLoopResult]: For program point L704(lines 704 708) no Hoare annotation was computed. [2020-07-17 11:34:46,621 INFO L268 CegarLoopResult]: For program point L704-1(lines 704 708) no Hoare annotation was computed. [2020-07-17 11:34:46,621 INFO L268 CegarLoopResult]: For program point L699(line 699) no Hoare annotation was computed. [2020-07-17 11:34:46,622 INFO L268 CegarLoopResult]: For program point L698-2(lines 698 723) no Hoare annotation was computed. [2020-07-17 11:34:46,622 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 672 731) no Hoare annotation was computed. [2020-07-17 11:34:46,622 INFO L268 CegarLoopResult]: For program point L724(lines 697 725) no Hoare annotation was computed. [2020-07-17 11:34:46,622 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 672 731) no Hoare annotation was computed. [2020-07-17 11:34:46,622 INFO L268 CegarLoopResult]: For program point L717(line 717) no Hoare annotation was computed. [2020-07-17 11:34:46,623 INFO L268 CegarLoopResult]: For program point L717-1(line 717) no Hoare annotation was computed. [2020-07-17 11:34:46,623 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 672 731) no Hoare annotation was computed. [2020-07-17 11:34:46,623 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 547 553) the Hoare annotation is: true [2020-07-17 11:34:46,623 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 547 553) no Hoare annotation was computed. [2020-07-17 11:34:46,623 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 554 562) no Hoare annotation was computed. [2020-07-17 11:34:46,624 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 554 562) the Hoare annotation is: true [2020-07-17 11:34:46,624 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 554 562) no Hoare annotation was computed. [2020-07-17 11:34:46,624 INFO L271 CegarLoopResult]: At program point L161(line 161) the Hoare annotation is: true [2020-07-17 11:34:46,624 INFO L268 CegarLoopResult]: For program point L161-1(line 161) no Hoare annotation was computed. [2020-07-17 11:34:46,624 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 155 179) the Hoare annotation is: true [2020-07-17 11:34:46,624 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 155 179) no Hoare annotation was computed. [2020-07-17 11:34:46,625 INFO L264 CegarLoopResult]: At program point L169(line 169) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or (not (<= 2 ~waterLevel~0)) .cse0) (or (not (= 1 ~waterLevel~0)) .cse0))) [2020-07-17 11:34:46,625 INFO L268 CegarLoopResult]: For program point L167(lines 167 173) no Hoare annotation was computed. [2020-07-17 11:34:46,625 INFO L264 CegarLoopResult]: At program point L165(line 165) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or (not (<= 2 ~waterLevel~0)) .cse0) (or (not (= 1 ~waterLevel~0)) .cse0))) [2020-07-17 11:34:46,625 INFO L268 CegarLoopResult]: For program point L165-1(line 165) no Hoare annotation was computed. [2020-07-17 11:34:46,625 INFO L268 CegarLoopResult]: For program point L163(lines 163 176) no Hoare annotation was computed. [2020-07-17 11:34:46,626 INFO L268 CegarLoopResult]: For program point L163-1(lines 155 179) no Hoare annotation was computed. [2020-07-17 11:34:46,626 INFO L268 CegarLoopResult]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2020-07-17 11:34:46,626 INFO L268 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-07-17 11:34:46,626 INFO L264 CegarLoopResult]: At program point L127(line 127) 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))) [2020-07-17 11:34:46,626 INFO L264 CegarLoopResult]: At program point L126(line 126) 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))) [2020-07-17 11:34:46,627 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 120 142) 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))) [2020-07-17 11:34:46,627 INFO L264 CegarLoopResult]: At program point L126-1(line 126) 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))) [2020-07-17 11:34:46,627 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2020-07-17 11:34:46,627 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2020-07-17 11:34:46,627 INFO L264 CegarLoopResult]: At program point L132(line 132) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= main_~tmp~0 ~waterLevel~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:34:46,628 INFO L264 CegarLoopResult]: At program point L132-1(line 132) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= main_~tmp~0 ~waterLevel~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:34:46,636 INFO L268 CegarLoopResult]: For program point L130(lines 130 137) no Hoare annotation was computed. [2020-07-17 11:34:46,637 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2020-07-17 11:34:46,637 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-07-17 11:34:46,637 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2020-07-17 11:34:46,637 INFO L268 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-07-17 11:34:46,637 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2020-07-17 11:34:46,637 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-07-17 11:34:46,637 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-07-17 11:34:46,637 INFO L268 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-07-17 11:34:46,638 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-07-17 11:34:46,638 INFO L268 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-07-17 11:34:46,638 INFO L268 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-07-17 11:34:46,638 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-07-17 11:34:46,638 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-07-17 11:34:46,638 INFO L268 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-07-17 11:34:46,638 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-07-17 11:34:46,638 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-07-17 11:34:46,639 INFO L268 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-07-17 11:34:46,639 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 513 527) no Hoare annotation was computed. [2020-07-17 11:34:46,639 INFO L264 CegarLoopResult]: At program point L519(line 519) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or (not (= 1 ~waterLevel~0)) .cse0) (or .cse0 (not (<= 2 ~waterLevel~0))))) [2020-07-17 11:34:46,639 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 513 527) 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))) [2020-07-17 11:34:46,639 INFO L268 CegarLoopResult]: For program point L517(lines 517 523) no Hoare annotation was computed. [2020-07-17 11:34:46,639 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 513 527) no Hoare annotation was computed. [2020-07-17 11:34:46,639 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 449 457) no Hoare annotation was computed. [2020-07-17 11:34:46,640 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 449 457) the Hoare annotation is: true [2020-07-17 11:34:46,640 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 449 457) no Hoare annotation was computed. [2020-07-17 11:34:46,640 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 494 512) the Hoare annotation is: true [2020-07-17 11:34:46,640 INFO L268 CegarLoopResult]: For program point L503(lines 503 507) no Hoare annotation was computed. [2020-07-17 11:34:46,640 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 494 512) no Hoare annotation was computed. [2020-07-17 11:34:46,640 INFO L271 CegarLoopResult]: At program point L501(line 501) the Hoare annotation is: true [2020-07-17 11:34:46,640 INFO L268 CegarLoopResult]: For program point L503-2(lines 503 507) no Hoare annotation was computed. [2020-07-17 11:34:46,641 INFO L268 CegarLoopResult]: For program point L501-1(line 501) no Hoare annotation was computed. [2020-07-17 11:34:46,641 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 494 512) no Hoare annotation was computed. [2020-07-17 11:34:46,641 INFO L268 CegarLoopResult]: For program point L477(lines 477 485) no Hoare annotation was computed. [2020-07-17 11:34:46,641 INFO L268 CegarLoopResult]: For program point L477-2(lines 477 485) no Hoare annotation was computed. [2020-07-17 11:34:46,641 INFO L268 CegarLoopResult]: For program point L465(lines 465 473) no Hoare annotation was computed. [2020-07-17 11:34:46,641 INFO L268 CegarLoopResult]: For program point L465-2(lines 465 473) no Hoare annotation was computed. [2020-07-17 11:34:46,641 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 458 493) no Hoare annotation was computed. [2020-07-17 11:34:46,641 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-07-17 11:34:46,641 INFO L268 CegarLoopResult]: For program point L488-1(line 488) no Hoare annotation was computed. [2020-07-17 11:34:46,642 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 458 493) no Hoare annotation was computed. [2020-07-17 11:34:46,642 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 458 493) no Hoare annotation was computed. [2020-07-17 11:34:46,642 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 540 546) no Hoare annotation was computed. [2020-07-17 11:34:46,642 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 540 546) the Hoare annotation is: true [2020-07-17 11:34:46,642 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 570 615) no Hoare annotation was computed. [2020-07-17 11:34:46,642 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 570 615) no Hoare annotation was computed. [2020-07-17 11:34:46,642 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 570 615) no Hoare annotation was computed. [2020-07-17 11:34:46,642 INFO L268 CegarLoopResult]: For program point L897(lines 897 917) no Hoare annotation was computed. [2020-07-17 11:34:46,642 INFO L268 CegarLoopResult]: For program point L897-1(lines 897 917) no Hoare annotation was computed. [2020-07-17 11:34:46,642 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 883 928) no Hoare annotation was computed. [2020-07-17 11:34:46,642 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 883 928) no Hoare annotation was computed. [2020-07-17 11:34:46,642 INFO L268 CegarLoopResult]: For program point L903(lines 903 910) no Hoare annotation was computed. [2020-07-17 11:34:46,643 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 883 928) no Hoare annotation was computed. [2020-07-17 11:34:46,643 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 107 116) 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))) [2020-07-17 11:34:46,643 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2020-07-17 11:34:46,643 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2020-07-17 11:34:46,643 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 438 448) no Hoare annotation was computed. [2020-07-17 11:34:46,643 INFO L268 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-07-17 11:34:46,643 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 438 448) no Hoare annotation was computed. [2020-07-17 11:34:46,643 INFO L268 CegarLoopResult]: For program point L443-1(line 443) no Hoare annotation was computed. [2020-07-17 11:34:46,643 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 438 448) no Hoare annotation was computed. [2020-07-17 11:34:46,643 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 430 437) the Hoare annotation is: true [2020-07-17 11:34:46,643 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 430 437) no Hoare annotation was computed. [2020-07-17 11:34:46,643 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 430 437) no Hoare annotation was computed. [2020-07-17 11:34:46,644 INFO L264 CegarLoopResult]: At program point L385(line 385) 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))))) [2020-07-17 11:34:46,644 INFO L268 CegarLoopResult]: For program point L385-1(line 385) no Hoare annotation was computed. [2020-07-17 11:34:46,644 INFO L268 CegarLoopResult]: For program point L383(lines 383 400) no Hoare annotation was computed. [2020-07-17 11:34:46,644 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 379 403) no Hoare annotation was computed. [2020-07-17 11:34:46,644 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 379 403) 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))))) [2020-07-17 11:34:46,644 INFO L264 CegarLoopResult]: At program point L398(line 398) 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))))) [2020-07-17 11:34:46,644 INFO L268 CegarLoopResult]: For program point L398-1(lines 379 403) no Hoare annotation was computed. [2020-07-17 11:34:46,644 INFO L264 CegarLoopResult]: At program point L393(line 393) 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))))) [2020-07-17 11:34:46,645 INFO L264 CegarLoopResult]: At program point L389(line 389) 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))))) [2020-07-17 11:34:46,645 INFO L268 CegarLoopResult]: For program point L387(lines 387 395) no Hoare annotation was computed. [2020-07-17 11:34:46,645 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 371 377) no Hoare annotation was computed. [2020-07-17 11:34:46,645 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 371 377) the Hoare annotation is: true [2020-07-17 11:34:46,645 INFO L264 CegarLoopResult]: At program point testENTRY(lines 275 340) 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))) [2020-07-17 11:34:46,645 INFO L268 CegarLoopResult]: For program point L287(lines 287 291) no Hoare annotation was computed. [2020-07-17 11:34:46,645 INFO L268 CegarLoopResult]: For program point testFINAL(lines 275 340) no Hoare annotation was computed. [2020-07-17 11:34:46,645 INFO L264 CegarLoopResult]: At program point L333(lines 284 334) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:34:46,645 INFO L264 CegarLoopResult]: At program point L323(line 323) 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)))) [2020-07-17 11:34:46,645 INFO L268 CegarLoopResult]: For program point L321(lines 321 327) no Hoare annotation was computed. [2020-07-17 11:34:46,646 INFO L264 CegarLoopResult]: At program point L321-1(lines 315 328) 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)))) [2020-07-17 11:34:46,646 INFO L268 CegarLoopResult]: For program point L286(lines 285 332) no Hoare annotation was computed. [2020-07-17 11:34:46,646 INFO L268 CegarLoopResult]: For program point L315(lines 315 328) no Hoare annotation was computed. [2020-07-17 11:34:46,646 INFO L264 CegarLoopResult]: At program point L307(line 307) 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)))) [2020-07-17 11:34:46,646 INFO L268 CegarLoopResult]: For program point L305(lines 305 311) no Hoare annotation was computed. [2020-07-17 11:34:46,646 INFO L268 CegarLoopResult]: For program point L305-1(lines 305 311) no Hoare annotation was computed. [2020-07-17 11:34:46,646 INFO L264 CegarLoopResult]: At program point L330(lines 285 332) 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)))) [2020-07-17 11:34:46,646 INFO L264 CegarLoopResult]: At program point L297(line 297) 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)))) [2020-07-17 11:34:46,646 INFO L268 CegarLoopResult]: For program point L295(lines 295 301) no Hoare annotation was computed. [2020-07-17 11:34:46,647 INFO L268 CegarLoopResult]: For program point L295-1(lines 295 301) no Hoare annotation was computed. [2020-07-17 11:34:46,647 INFO L268 CegarLoopResult]: For program point testEXIT(lines 275 340) no Hoare annotation was computed. [2020-07-17 11:34:46,647 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 837 882) no Hoare annotation was computed. [2020-07-17 11:34:46,647 INFO L268 CegarLoopResult]: For program point L857(lines 857 864) no Hoare annotation was computed. [2020-07-17 11:34:46,647 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 837 882) no Hoare annotation was computed. [2020-07-17 11:34:46,647 INFO L268 CegarLoopResult]: For program point L851(lines 851 871) no Hoare annotation was computed. [2020-07-17 11:34:46,647 INFO L268 CegarLoopResult]: For program point L851-1(lines 851 871) no Hoare annotation was computed. [2020-07-17 11:34:46,647 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 837 882) no Hoare annotation was computed. [2020-07-17 11:34:46,647 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 404 411) no Hoare annotation was computed. [2020-07-17 11:34:46,647 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 404 411) no Hoare annotation was computed. [2020-07-17 11:34:46,647 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 404 411) no Hoare annotation was computed. [2020-07-17 11:34:46,647 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 264 272) no Hoare annotation was computed. [2020-07-17 11:34:46,647 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 264 272) the Hoare annotation is: true [2020-07-17 11:34:46,647 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 264 272) no Hoare annotation was computed. [2020-07-17 11:34:46,648 INFO L268 CegarLoopResult]: For program point L240(lines 240 248) no Hoare annotation was computed. [2020-07-17 11:34:46,648 INFO L268 CegarLoopResult]: For program point L240-2(lines 240 248) no Hoare annotation was computed. [2020-07-17 11:34:46,648 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 232 254) no Hoare annotation was computed. [2020-07-17 11:34:46,648 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 232 254) no Hoare annotation was computed. [2020-07-17 11:34:46,648 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 232 254) no Hoare annotation was computed. [2020-07-17 11:34:46,648 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 530 539) no Hoare annotation was computed. [2020-07-17 11:34:46,648 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 530 539) no Hoare annotation was computed. [2020-07-17 11:34:46,648 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 530 539) no Hoare annotation was computed. [2020-07-17 11:34:46,649 INFO L268 CegarLoopResult]: For program point L799(line 799) no Hoare annotation was computed. [2020-07-17 11:34:46,649 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 734 836) no Hoare annotation was computed. [2020-07-17 11:34:46,649 INFO L268 CegarLoopResult]: For program point L799-1(line 799) no Hoare annotation was computed. [2020-07-17 11:34:46,649 INFO L268 CegarLoopResult]: For program point L758(lines 758 762) no Hoare annotation was computed. [2020-07-17 11:34:46,649 INFO L268 CegarLoopResult]: For program point L822(lines 822 833) no Hoare annotation was computed. [2020-07-17 11:34:46,649 INFO L268 CegarLoopResult]: For program point L785(lines 785 789) no Hoare annotation was computed. [2020-07-17 11:34:46,649 INFO L268 CegarLoopResult]: For program point L783-2(lines 783 803) no Hoare annotation was computed. [2020-07-17 11:34:46,649 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 734 836) no Hoare annotation was computed. [2020-07-17 11:34:46,649 INFO L268 CegarLoopResult]: For program point L804(lines 782 805) no Hoare annotation was computed. [2020-07-17 11:34:46,650 INFO L268 CegarLoopResult]: For program point L763(lines 763 779) no Hoare annotation was computed. [2020-07-17 11:34:46,650 INFO L268 CegarLoopResult]: For program point L823(lines 823 830) no Hoare annotation was computed. [2020-07-17 11:34:46,650 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 734 836) no Hoare annotation was computed. [2020-07-17 11:34:46,650 INFO L268 CegarLoopResult]: For program point L784(lines 783 803) no Hoare annotation was computed. [2020-07-17 11:34:46,650 INFO L268 CegarLoopResult]: For program point L815(line 815) no Hoare annotation was computed. [2020-07-17 11:34:46,650 INFO L268 CegarLoopResult]: For program point L815-1(line 815) no Hoare annotation was computed. [2020-07-17 11:34:46,650 INFO L268 CegarLoopResult]: For program point L780(lines 780 821) no Hoare annotation was computed. [2020-07-17 11:34:46,650 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-17 11:34:46,651 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string25.base| |old(#t~string25.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~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~string8.base| |old(#t~string8.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|)) [2020-07-17 11:34:46,651 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-17 11:34:46,651 INFO L268 CegarLoopResult]: For program point L418-1(line 418) no Hoare annotation was computed. [2020-07-17 11:34:46,651 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 413 429) no Hoare annotation was computed. [2020-07-17 11:34:46,651 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 413 429) no Hoare annotation was computed. [2020-07-17 11:34:46,652 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-07-17 11:34:46,652 INFO L268 CegarLoopResult]: For program point L424-1(lines 413 429) no Hoare annotation was computed. [2020-07-17 11:34:46,652 INFO L268 CegarLoopResult]: For program point L420(lines 420 426) no Hoare annotation was computed. [2020-07-17 11:34:46,652 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-07-17 11:34:46,652 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 255 263) the Hoare annotation is: true [2020-07-17 11:34:46,652 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 255 263) no Hoare annotation was computed. [2020-07-17 11:34:46,652 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 255 263) no Hoare annotation was computed. [2020-07-17 11:34:46,652 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 211 222) 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))) [2020-07-17 11:34:46,653 INFO L268 CegarLoopResult]: For program point L215-1(lines 211 222) no Hoare annotation was computed. [2020-07-17 11:34:46,653 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 211 222) no Hoare annotation was computed. [2020-07-17 11:34:46,653 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-17 11:34:46,653 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-17 11:34:46,653 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-17 11:34:46,653 INFO L264 CegarLoopResult]: At program point L353(line 353) 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)|))))) [2020-07-17 11:34:46,653 INFO L268 CegarLoopResult]: For program point L351(lines 350 369) no Hoare annotation was computed. [2020-07-17 11:34:46,653 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 347 370) 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)|))))) [2020-07-17 11:34:46,654 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 347 370) no Hoare annotation was computed. [2020-07-17 11:34:46,654 INFO L264 CegarLoopResult]: At program point L360(line 360) 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))) [2020-07-17 11:34:46,654 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 347 370) no Hoare annotation was computed. [2020-07-17 11:34:46,654 INFO L264 CegarLoopResult]: At program point L358(lines 358 364) 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)|))))) [2020-07-17 11:34:46,654 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2020-07-17 11:34:46,654 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-07-17 11:34:46,654 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2020-07-17 11:34:46,654 INFO L268 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2020-07-17 11:34:46,655 INFO L271 CegarLoopResult]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2020-07-17 11:34:46,655 INFO L268 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-07-17 11:34:46,655 INFO L271 CegarLoopResult]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2020-07-17 11:34:46,655 INFO L271 CegarLoopResult]: At program point L48(line 48) the Hoare annotation is: true [2020-07-17 11:34:46,655 INFO L268 CegarLoopResult]: For program point L48-1(line 48) no Hoare annotation was computed. [2020-07-17 11:34:46,655 INFO L271 CegarLoopResult]: At program point L67(lines 42 71) the Hoare annotation is: true [2020-07-17 11:34:46,655 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 223 231) no Hoare annotation was computed. [2020-07-17 11:34:46,655 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 223 231) no Hoare annotation was computed. [2020-07-17 11:34:46,656 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 223 231) no Hoare annotation was computed. [2020-07-17 11:34:46,656 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 187 198) the Hoare annotation is: true [2020-07-17 11:34:46,656 INFO L268 CegarLoopResult]: For program point L191-1(lines 187 198) no Hoare annotation was computed. [2020-07-17 11:34:46,656 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 187 198) no Hoare annotation was computed. [2020-07-17 11:34:46,656 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2020-07-17 11:34:46,656 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2020-07-17 11:34:46,656 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-17 11:34:46,656 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-17 11:34:46,656 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-17 11:34:46,657 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-17 11:34:46,657 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 199 210) no Hoare annotation was computed. [2020-07-17 11:34:46,657 INFO L268 CegarLoopResult]: For program point L203-1(lines 199 210) no Hoare annotation was computed. [2020-07-17 11:34:46,657 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 199 210) 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)|))))) [2020-07-17 11:34:46,657 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 144 151) no Hoare annotation was computed. [2020-07-17 11:34:46,657 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 148) no Hoare annotation was computed. [2020-07-17 11:34:46,657 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 144 151) the Hoare annotation is: true [2020-07-17 11:34:46,658 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 144 151) no Hoare annotation was computed. [2020-07-17 11:34:46,674 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 11:34:46 BoogieIcfgContainer [2020-07-17 11:34:46,675 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 11:34:46,676 INFO L168 Benchmark]: Toolchain (without parser) took 33589.40 ms. Allocated memory was 145.8 MB in the beginning and 655.4 MB in the end (delta: 509.6 MB). Free memory was 103.0 MB in the beginning and 601.4 MB in the end (delta: -498.4 MB). Peak memory consumption was 506.2 MB. Max. memory is 7.1 GB. [2020-07-17 11:34:46,677 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 145.8 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-17 11:34:46,678 INFO L168 Benchmark]: CACSL2BoogieTranslator took 660.48 ms. Allocated memory was 145.8 MB in the beginning and 203.9 MB in the end (delta: 58.2 MB). Free memory was 102.5 MB in the beginning and 171.9 MB in the end (delta: -69.4 MB). Peak memory consumption was 22.7 MB. Max. memory is 7.1 GB. [2020-07-17 11:34:46,679 INFO L168 Benchmark]: Boogie Preprocessor took 94.68 ms. Allocated memory is still 203.9 MB. Free memory was 171.9 MB in the beginning and 167.7 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-07-17 11:34:46,680 INFO L168 Benchmark]: RCFGBuilder took 1317.06 ms. Allocated memory was 203.9 MB in the beginning and 237.5 MB in the end (delta: 33.6 MB). Free memory was 167.7 MB in the beginning and 199.6 MB in the end (delta: -31.9 MB). Peak memory consumption was 83.1 MB. Max. memory is 7.1 GB. [2020-07-17 11:34:46,680 INFO L168 Benchmark]: TraceAbstraction took 31510.65 ms. Allocated memory was 237.5 MB in the beginning and 655.4 MB in the end (delta: 417.9 MB). Free memory was 198.1 MB in the beginning and 601.4 MB in the end (delta: -403.3 MB). Peak memory consumption was 509.6 MB. Max. memory is 7.1 GB. [2020-07-17 11:34:46,686 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 145.8 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 660.48 ms. Allocated memory was 145.8 MB in the beginning and 203.9 MB in the end (delta: 58.2 MB). Free memory was 102.5 MB in the beginning and 171.9 MB in the end (delta: -69.4 MB). Peak memory consumption was 22.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 94.68 ms. Allocated memory is still 203.9 MB. Free memory was 171.9 MB in the beginning and 167.7 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1317.06 ms. Allocated memory was 203.9 MB in the beginning and 237.5 MB in the end (delta: 33.6 MB). Free memory was 167.7 MB in the beginning and 199.6 MB in the end (delta: -31.9 MB). Peak memory consumption was 83.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 31510.65 ms. Allocated memory was 237.5 MB in the beginning and 655.4 MB in the end (delta: 417.9 MB). Free memory was 198.1 MB in the beginning and 601.4 MB in the end (delta: -403.3 MB). Peak memory consumption was 509.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 148]: 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: 285]: 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: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 284]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 227 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 18.8s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 14.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 12.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 574 SDtfs, 1330 SDslu, 552 SDs, 0 SdLazy, 2817 SolverSat, 861 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 268 GetRequests, 201 SyntacticMatches, 1 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 7.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=582occurred 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, 229 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 52 LocationsWithAnnotation, 618 PreInvPairs, 669 NumberOfFragments, 1010 HoareAnnotationTreeSize, 618 FomulaSimplifications, 67506 FormulaSimplificationTreeSizeReduction, 3.2s HoareSimplificationTime, 52 FomulaSimplificationsInter, 20853 FormulaSimplificationTreeSizeReductionInter, 9.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 438 NumberOfCodeBlocks, 438 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 431 ConstructedInterpolants, 0 QuantifiedInterpolants, 122425 SizeOfPredicates, 3 NumberOfNonLiveVariables, 751 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 37/46 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...